/* =========================================================
   ACTIA — Design tokens (EDITORIAL / BEIGE)
   Modeled after actia.tech Framer aesthetic.
   ========================================================= */
:root {
  /* Backgrounds — Blanco Pergamino */
  --graphite: #FAF8F5;          /* main page paper */
  --graphite-2: #F4F0E9;        /* card / pane bg */
  --graphite-3: #EBE5D8;        /* deeper card */
  --graphite-4: #D5C8AE;        /* hover / press */
  --rule: #E2D9C8;              /* hairline */
  --rule-soft: #EDE8DF;         /* very faint */

  /* Ink — text on cream */
  --factory-white: #1A1614;     /* primary text */
  --paper: #FFFCF5;             /* high-contrast paper for highlights */
  --timber: #B68A4E;            /* warm wood accent */
  --timber-dark: #8C6534;       /* deep wood */
  --timber-deep: #4E371A;       /* darkest wood / chestnut */

  /* Inverted shade for occasional dark accents (chestnut/ink panels) */
  --ink-panel: #1A1614;
  --ink-panel-2: #2A231D;

  /* Brand */
  --yellow: #F0A000;            /* ACTIA gold sampled from logo */
  --yellow-hot: #FFB829;
  --yellow-deep: #A06A00;

  --tech-grey: #6B6660;         /* secondary text */
  --tech-grey-2: #3D3833;       /* darker muted text */
  --tech-grey-3: #1A1614;       /* primary ink (alias for darker text) */

  --signal-green: #2E8A5C;
  --signal-green-deep: #1A5239;

  --danger: #C7411B;

  /* Type */
  --display: "Barlow Condensed", "Oswald", "Arial Narrow", sans-serif;
  --body: "Manrope", "Helvetica Neue", system-ui, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;

  /* Spacing rhythm */
  --gutter: clamp(20px, 4vw, 64px);
  --section-y: clamp(80px, 10vw, 160px);
  --max-w: 1480px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--graphite);
  color: var(--factory-white);
  font-family: var(--body);
  font-feature-settings: "ss01", "cv11";
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: 0; color: inherit; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--yellow); color: var(--ink-panel); }

/* =========================================================
   Type system
   ========================================================= */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--yellow);
}
.eyebrow.no-line::before { display: none; }

.display {
  font-family: var(--display);
  font-weight: 600;
  font-stretch: condensed;
  line-height: 0.92;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
.h-hero {
  font-size: clamp(64px, 11vw, 188px);
  text-transform: uppercase;
}
.h-section {
  font-size: clamp(44px, 6.4vw, 112px);
  text-transform: uppercase;
}
.h-card {
  font-size: clamp(28px, 3vw, 44px);
  text-transform: uppercase;
}

.lede {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.45;
  color: var(--tech-grey-3);
  max-width: 60ch;
  text-wrap: pretty;
}

.body-sm { font-size: 14px; line-height: 1.55; color: var(--tech-grey-2); }
.kbd, .data {
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

/* =========================================================
   Layout helpers
   ========================================================= */
.shell {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { position: relative; }

.section-header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 56px;
}
.section-header.tight {
  gap: 14px;
  margin-bottom: 36px;
}
.section-header.tight .lede {
  margin-top: 4px;
}
.section-header .meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.section-header .meta .id {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--yellow);
  letter-spacing: 0.16em;
}
.section-header .meta .station-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--tech-grey-2);
  text-transform: uppercase;
}

/* Section divider strip that looks like a control rail */
.rail {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
  overflow: hidden;
  white-space: nowrap;
}
.rail .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 14px var(--yellow);
}
.rail .track {
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--rule) 0 14px, transparent 14px 22px);
}

/* =========================================================
   Header / nav
   ========================================================= */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(120%);
  background: rgba(242, 235, 223, 0.85);
  border-bottom: 1px solid var(--rule);
}
.site-header .inner {
  display: grid;
  grid-template-columns: max-content 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px var(--gutter);
}
.brandmark {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.brandmark .logo-img {
  width: 162px;
  height: 38px;
  max-width: none;
  flex-shrink: 0;
  object-fit: contain;
  object-position: left center;
  display: block;
}
.brandmark .wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.04em;
}
.brandmark .tick {
  width: 22px; height: 22px;
  background: var(--yellow);
  display: grid; place-items: center;
  position: relative;
}
.brandmark .tick::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--graphite);
  clip-path: polygon(0 0, 100% 0, 100% 50%, 50% 50%, 50% 100%, 0 100%);
}

.nav {
  display: flex; gap: 2px;
  justify-content: center;
  flex-wrap: nowrap;
  white-space: nowrap;
}
.nav a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tech-grey);
  padding: 8px 10px;
  border-radius: 2px;
  transition: color .15s ease, background .15s ease;
}
.nav a:hover { color: var(--ink-panel); background: var(--graphite-3); }
.nav a.active { color: var(--yellow); }
@media (max-width: 1100px) {
  .nav a { font-size: 10px; padding: 6px 7px; letter-spacing: 0.04em; }
}
/* Hamburger toggle + mobile drawer (hidden on desktop) */
.nav-cb { display: none; }
body.nav-open { overflow: hidden; }
.nav-toggle { display: none; }
.nav .nav-cta-mobile { display: none; }

@media (max-width: 860px) {
  /* Header becomes: logo | hamburger */
  .site-header .inner {
    grid-template-columns: 1fr auto;
    gap: 12px;
  }
  .header-cta { display: none; }

  .brandmark .logo-img {
    width: 128px;
    height: 30px;
  }

  /* Hamburger button */
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0 10px;
    border: 1px solid var(--rule);
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    z-index: 60;
  }
  .nav-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--factory-white);
    transition: transform .25s ease, opacity .2s ease;
  }
  .nav-cb:checked ~ .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-cb:checked ~ .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-cb:checked ~ .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* Drawer */
  .nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: 0;
    padding: 88px var(--gutter) 32px;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 2px;
    background: rgba(242, 235, 223, 0.98);
    backdrop-filter: blur(18px) saturate(120%);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 24px 60px rgba(26,22,20,0.18);
    transform: translateY(-110%);
    transition: transform .38s cubic-bezier(.2,.7,.2,1);
    white-space: normal;
    z-index: 55;
  }
  .nav-cb:checked ~ .nav { transform: translateY(0); }
  .nav a {
    font-size: 15px;
    letter-spacing: 0.08em;
    padding: 16px 4px;
    border-bottom: 1px solid var(--rule-soft);
  }
  .nav a:hover { background: transparent; color: var(--yellow); }
  .nav .nav-cta-mobile {
    display: block;
    margin-top: 20px;
    padding: 16px 22px;
    text-align: center;
    background: var(--yellow);
    color: var(--ink-panel);
    font-weight: 700;
    border-radius: 4px;
    border-bottom: 0;
  }
}

.header-cta {
  display: flex; gap: 10px; align-items: center;
}
.social-link {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink-panel);
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.social-link:hover {
  color: var(--ink-panel);
  border-color: var(--ink-panel);
  background: var(--graphite-3);
}

.status-pill {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--tech-grey-2);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--rule);
  border-radius: 999px;
}
.status-pill .pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--signal-green);
  box-shadow: 0 0 0 0 rgba(107,212,155,.7);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(107,212,155,.7); }
  70% { box-shadow: 0 0 0 10px rgba(107,212,155,0); }
  100% { box-shadow: 0 0 0 0 rgba(107,212,155,0); }
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--factory-white);
  transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  background: var(--yellow);
  color: var(--ink-panel);
  border-color: var(--yellow);
  font-weight: 700;
}
.btn.primary:hover { background: var(--yellow-hot); border-color: var(--yellow-hot); }
.btn.ghost { background: transparent; }
.btn.ghost:hover { background: var(--graphite-3); border-color: var(--graphite-4); }
.btn .arrow {
  width: 18px; height: 10px;
  position: relative;
}
.btn .arrow::before, .btn .arrow::after {
  content: ""; position: absolute; background: currentColor;
}
.btn .arrow::before { top: 50%; left: 0; right: 0; height: 1.5px; transform: translateY(-50%); }
.btn .arrow::after  { right: 0; top: 50%; width: 9px; height: 1.5px; transform: translateY(-50%) rotate(45deg); transform-origin: right center; }
.btn .arrow.down::after { transform: translateY(-50%) rotate(135deg); }

/* small chip btn */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tech-grey-3);
}
.chip.active { background: var(--yellow); color: var(--ink-panel); border-color: var(--yellow); }
.chip.dot::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--tech-grey-2);
}
.chip.dot.green::before { background: var(--signal-green); }
.chip.dot.yellow::before { background: var(--yellow); }
.chip.dot.timber::before { background: var(--timber); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding-top: 96px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero .top-strip {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 14px var(--gutter);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
}
.hero .top-strip .scroller {
  overflow: hidden;
  position: relative;
  height: 14px;
}
.hero .top-strip .scroller .track {
  display: inline-flex; gap: 40px;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.hero-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding: clamp(40px, 6vw, 80px) var(--gutter) 0 var(--gutter);
  flex: 1;
}
.hero-main h1 {
  margin: 0;
  color: var(--factory-white);
}
.hero-main h1 .yellow { color: var(--yellow); }
.hero-main h1 .stencil {
  display: inline-block;
  background: var(--yellow);
  color: var(--ink-panel);
  padding: 0 .15em 0 .15em;
  margin-left: -0.05em;
}

.hero-body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
  margin-top: clamp(20px, 3vw, 48px);
}
@media (max-width: 900px) {
  .hero-body { grid-template-columns: 1fr; }
}

.hero-ctas {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-top: 28px;
}

.hero-readout {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  display: grid;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--tech-grey-2);
}
.hero-readout .row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 16px;
  align-items: center;
}
.hero-readout .row .k { letter-spacing: 0.16em; text-transform: uppercase; }
.hero-readout .row .v { color: var(--factory-white); }
.hero-readout .row .bar {
  height: 2px; background: var(--rule); position: relative;
}
.hero-readout .row .bar::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  background: var(--yellow);
  width: var(--w, 60%);
}

.hero-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
  margin-top: 64px;
}
@media (max-width: 900px) { .hero-kpis { grid-template-columns: 1fr 1fr; } }
.hero-kpis .kpi {
  padding: 28px var(--gutter);
  border-right: 1px solid var(--rule);
  display: grid;
  gap: 8px;
}
.hero-kpis .kpi:last-child { border-right: 0; }
.hero-kpis .kpi .num {
  font-family: var(--display);
  font-size: clamp(40px, 4vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.01em;
}
.hero-kpis .kpi .num .unit { color: var(--yellow); font-size: 0.5em; vertical-align: super; margin-left: 2px; }
.hero-kpis .kpi .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
  max-width: 22ch;
}
.hero-kpis .kpi .label::before {
  content: ""; display: inline-block;
  width: 14px; height: 1px;
  background: var(--yellow);
  margin-right: 8px;
  vertical-align: middle;
}

/* Hero visual frame — edge-to-edge factory video, no margins */
.hero-visual {
  margin: 48px 0 0 0;
  border: 0;
  background: var(--ink-panel);
  aspect-ratio: 21 / 9;
  position: relative;
  overflow: hidden;
  width: 100%;
}
.hero-visual .hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.hero-visual .crosshair {
  position: absolute; left: 50%; top: 50%;
  width: 80px; height: 80px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--yellow);
}
.hero-visual .crosshair::before, .hero-visual .crosshair::after {
  content: ""; position: absolute; background: var(--yellow);
}
.hero-visual .crosshair::before { left: 50%; top: -10px; bottom: -10px; width: 1px; }
.hero-visual .crosshair::after { top: 50%; left: -10px; right: -10px; height: 1px; }
.hero-visual .corner-mark {
  position: absolute; width: 22px; height: 22px;
  border-color: var(--yellow);
  border-style: solid;
}
.hero-visual .corner-mark.tl { top: 16px; left: 16px; border-width: 1px 0 0 1px; }
.hero-visual .corner-mark.tr { top: 16px; right: 16px; border-width: 1px 1px 0 0; }
.hero-visual .corner-mark.bl { bottom: 16px; left: 16px; border-width: 0 0 1px 1px; }
.hero-visual .corner-mark.br { bottom: 16px; right: 16px; border-width: 0 1px 1px 0; }
.hero-visual .placeholder-label {
  position: absolute; inset: auto 0 50% 0;
  text-align: center;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em;
  color: var(--tech-grey-2);
  text-transform: uppercase;
  transform: translateY(80px);
}

/* =========================================================
   PROBLEM split-screen
   ========================================================= */
.problem {
  padding: var(--section-y) 0;
}
.problem .split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  position: relative;
  margin-top: clamp(32px, 4vw, 56px);
}
@media (max-width: 800px) { .problem .split { grid-template-columns: 1fr; } }
.problem .split .pane {
  padding: 40px;
  min-height: 520px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
}
.problem .split .pane.left {
  background:
    linear-gradient(180deg, rgba(26,22,20,0.45), rgba(26,22,20,0.75)),
    url("assets/problem-traditional-construction.png") center/cover no-repeat;
  color: var(--paper);
  border-right: 1px solid var(--rule);
}
.problem .split .pane.left .pane-title { color: var(--paper); opacity: 0.8; }
.problem .split .pane.left h3 { color: var(--paper); }
.problem .split .pane.left .tags .t { color: var(--paper); opacity: 0.85; }

.problem .split .pane.right {
  background:
    linear-gradient(180deg, rgba(26,22,20,0.45), rgba(26,22,20,0.80)),
    url("assets/problem-actia-factory.png") center/cover no-repeat;
  color: var(--paper);
}
.problem .split .pane.right h3 { color: var(--paper); }
.problem .pane-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.problem .pane.left .pane-title { color: var(--timber); }
.problem .pane.right .pane-title { color: var(--yellow); }

.problem .pane h3 {
  font-family: var(--display);
  font-size: clamp(36px, 4.4vw, 64px);
  font-weight: 600;
  text-transform: uppercase;
  line-height: 0.95;
  margin: 0;
}
.problem .pane .tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.problem .pane .tags .t {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 1px solid currentColor;
  opacity: 0.7;
}

.problem .vs {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: var(--yellow);
  color: var(--ink-panel);
  width: 64px; height: 64px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* =========================================================
   SOLUTION — exploded building
   ========================================================= */
.solution { padding: var(--section-y) 0; border-top: 1px solid var(--rule); }
.solution .grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}
@media (max-width: 900px) { .solution .grid { grid-template-columns: 1fr; } }

/* =========================================================
   FORJADO · isometric exploded view
   Animates between assembled (stacked) and exploded (spread) modes.
   Each .layer carries --i = its vertical index 0..6.
   ========================================================= */
.exploded {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 24px;
  overflow: hidden;
}
.exploded .stage {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  --gap: 14.2%;     /* vertical spread between layers when exploded (% of stage) */
  --asm-gap: 1.1%;  /* tight stacking gap when assembled */
}
.exploded .layer {
  position: absolute;
  left: 6%;
  width: 45%;
  height: 6%;
  /* Vertical position driven by --i via `top` (% resolves against the
     stage, so layers spread evenly). */
  top: 50%;
  transform: translateY(-50%);
  transform-style: preserve-3d;
  transition: top 1.1s cubic-bezier(.2,.7,.2,1);
  will-change: top;
}
.exploded[data-mode="exploded"] .layer {
  top: calc(44% + (var(--i) - 2.5) * var(--gap));
}
.exploded[data-mode="assembled"] .layer {
  top: calc(44% + (var(--i) - 2.5) * var(--asm-gap));
}

.exploded .layer .slab {
  width: 100%;
  height: 100%;
  /* Isometric look — rotateX flattens, rotateZ tilts it sideways */
  transform: rotateX(58deg) rotateZ(-34deg);
  transform-origin: center center;
  transform-style: preserve-3d;
  position: relative;
  box-shadow:
    0 26px 40px -26px rgba(40,30,20,0.5);
}
/* Extruded thickness — two visible side faces hanging below the top face.
   --t = thickness in px (set per layer); --edge/--edge2 = side shading. */
.exploded .layer .slab .ef,
.exploded .layer .slab .er {
  position: absolute;
  display: block;
  backface-visibility: hidden;
}
/* Front long edge (runs along the bottom edge of the panel) */
.exploded .layer .slab .ef {
  left: 0; top: 100%;
  width: 100%; height: var(--t, 8px);
  transform-origin: top center;
  transform: rotateX(-90deg);
  background: var(--edge, #cfc6b0);
}
/* Right short edge */
.exploded .layer .slab .er {
  top: 0; left: 100%;
  width: var(--t, 8px); height: 100%;
  transform-origin: left center;
  transform: rotateY(90deg);
  background: var(--edge2, #bdb39c);
}
/* Faint top outline to read panel borders */
.exploded .layer .slab::after {
  content: "";
  position: absolute; inset: 0;
  outline: 1px solid rgba(40,30,20,0.16);
  outline-offset: -1px;
  pointer-events: none;
}

/* Material textures ----------------------------------------------------- */
/* Fermacell: clean white plaster panel with subtle plank seams */
.exploded .layer .slab.fermacell {
  --edge: #DACFB7; --edge2: #C7BB9D;
  background:
    repeating-linear-gradient(90deg, rgba(40,30,20,0.10) 0 1px, transparent 1px 16%),
    linear-gradient(180deg, #F4EEE3 0%, #E6DDCB 100%);
}
/* FloorRock — beige/tan acoustic board */
.exploded .layer .slab.floorrock {
  --edge: #B8A985; --edge2: #A1936F;
  background:
    radial-gradient(rgba(120,95,55,0.28) 0.7px, transparent 1px) 0 0/4px 4px,
    radial-gradient(rgba(120,95,55,0.20) 0.7px, transparent 1px) 2px 2px/5px 5px,
    linear-gradient(180deg, #D8C49A 0%, #C3AE82 100%);
}
/* OSB — speckled oriented strand board */
.exploded .layer .slab.osb {
  --edge: #9A7440; --edge2: #7E5C2E;
  background:
    radial-gradient(rgba(150,100,50,0.6) 1.1px, transparent 1.4px) 0 0/6px 6px,
    radial-gradient(rgba(120,70,30,0.5) 1.4px, transparent 1.8px) 3px 3px/9px 9px,
    radial-gradient(rgba(180,140,90,0.4) 0.8px, transparent 1.1px) 1px 4px/5px 5px,
    linear-gradient(180deg, #CDA774 0%, #A6814B 100%);
}
/* Structure layer — laminated wood joists with paper-fibre insulation between.
   Top shows alternating joist (wood) and insulation (cream) bands running
   lengthwise; the cut edges reveal the same section. */
.exploded .layer .slab.beams {
  --edge: #7C5A2C; --edge2: #5F4420;
  background:
    /* lamination lines on the joists */
    repeating-linear-gradient(0deg, rgba(70,45,18,0.16) 0 1px, transparent 1px 7px),
    /* alternating joist + insulation bands across the width */
    repeating-linear-gradient(90deg,
      #B98C57 0 13%,
      #A87C49 13% 14%,
      #ECE0C6 14% 30%,
      #E2D4B2 30% 31%);
}
/* Cut section on the front + right edges: alternating beam ends and insulation */
.exploded .layer .slab.beams .ef {
  background:
    repeating-linear-gradient(90deg,
      #9A7038 0 13%,
      #7C5A2C 13% 14%,
      #E4D6B8 14% 30%,
      #D8C8A4 30% 31%);
}
.exploded .layer .slab.beams .er {
  background: linear-gradient(180deg, #9A7038 0%, #6F4F25 100%);
}
.exploded .layer.l4 .label { top: 50%; }
/* Rastreles — pale wood batten with darker pin marks */
.exploded .layer .slab.rastreles {
  --edge: #C2A66C; --edge2: #A88C53;
  background:
    radial-gradient(rgba(40,30,20,0.55) 1.2px, transparent 1.6px) 6px 50%/14px 100%,
    linear-gradient(180deg, #E7D6AC 0%, #C9B07C 100%);
}

/* Labels — connector line + text on the right of each slab */
.exploded .layer .label {
  position: absolute;
  left: calc(100% + 18px);
  top: 50%;
  transform: translateY(-50%);
  width: 42%;
  max-width: 26ch;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-panel);
  display: flex; align-items: center; gap: 9px;
  opacity: 1;
  transition: opacity .35s ease;
  line-height: 1.25;
}
.exploded .layer .label::before {
  content: "";
  width: 16px; height: 1px;
  background: var(--ink-panel);
  flex-shrink: 0;
}
/* When ensamblado, the layers stack tight — labels would overlap, hide them */
.exploded[data-mode="assembled"] .layer .label {
  opacity: 0;
  transition-duration: .25s;
}

/* Dotted axonometric reference lines connecting the same vertical edge
   across all layers. Drawn as a single full-height column on the left
   and right of the stack. */
.exploded .stage::before,
.exploded .stage::after {
  content: "";
  position: absolute;
  top: 8%; bottom: 8%;
  width: 1px;
  background-image: linear-gradient(180deg, var(--ink-panel) 50%, transparent 50%);
  background-size: 1px 6px;
  opacity: 0.18;
  transition: opacity .35s ease;
}
.exploded .stage::before { left: 20%; }
.exploded .stage::after  { left: 50%; }
.exploded[data-mode="assembled"] .stage::before,
.exploded[data-mode="assembled"] .stage::after { opacity: 0; }

/* Controls — pill toggle */
.exploded .controls {
  position: absolute; right: 18px; bottom: 18px;
  z-index: 4;
  display: flex; gap: 6px;
  z-index: 5;
  background: rgba(255,252,245,0.65);
  backdrop-filter: blur(8px);
  padding: 6px;
  border: 1px solid var(--rule);
}
.exploded .controls .chip {
  padding: 8px 14px;
  border: 0;
  background: transparent;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--tech-grey);
  cursor: pointer;
  border-radius: 0;
}
.exploded .controls .chip.active {
  background: var(--ink-panel);
  color: var(--paper);
  border-color: var(--ink-panel);
}

.exploded .axis-label {
  position: absolute;
  left: 24px; top: 24px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  color: var(--tech-grey); text-transform: uppercase;
  z-index: 4;
}

/* ---- Visor 3D del forjado ---------------------------------------------- */
.exploded.is-3d { cursor: grab; }
.exploded.is-3d:active { cursor: grabbing; }
.forjado-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 1;
}
.forjado-canvas canvas { outline: none; }
.forjado-loading {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--tech-grey);
  pointer-events: none; z-index: 3;
}

.solution .copy h2 { margin: 0 0 28px 0; }
.solution .copy .claim {
  display: inline-block;
  background: var(--yellow);
  color: var(--ink-panel);
  padding: 4px 14px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}
.solution .checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 32px;
  margin-top: 40px;
}
.solution .checklist .item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tech-grey-3);
}
.solution .checklist .item::before {
  content: "✦";
  color: var(--yellow);
  font-size: 14px;
}

/* =========================================================
   MODES — three cards
   ========================================================= */
.modes { padding: var(--section-y) 0; border-top: 1px solid var(--rule); }
.modes .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto 1fr repeat(5, auto);
  column-gap: 1px;
  row-gap: 0;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (max-width: 900px) { .modes .grid { grid-template-columns: 1fr; } }

.mode-card {
  background: var(--graphite-2);
  padding: 36px;
  display: grid;
  grid-row: 1 / span 8;
  grid-template-rows: subgrid;
  gap: 0;
  position: relative;
  align-items: start;
}
.mode-card h3   { margin-bottom: 12px; }
.mode-card .who { margin-bottom: 8px; }
.mode-card .desc { padding-bottom: 24px; border-bottom: 1px solid var(--rule); }
.mode-card .ribbon {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}
.mode-card .ribbon .code {
  color: var(--yellow);
  font-weight: 700;
}
.mode-card h3 {
  font-family: var(--display);
  font-size: clamp(40px, 3.8vw, 56px);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.9;
  margin: 0;
}
.mode-card h3 .sub {
  display: block;
  font-size: 0.45em;
  color: var(--yellow);
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  text-transform: uppercase;
  font-weight: 600;
}
.mode-card .who {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
  border-left: 2px solid var(--yellow);
  padding-left: 12px;
}
.mode-card .desc { color: var(--tech-grey-3); }

.mode-card .scope {
  display: contents;
}
.mode-card .scope .row {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 5px 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 0;
  border-top: 1px dashed var(--rule);
  color: var(--tech-grey-2);
}
.mode-card .scope .row .yes { color: var(--yellow); }
.mode-card .scope .row .no { color: var(--graphite-4); }

.modes .footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 700px) {
  .modes .footer { flex-direction: column; align-items: flex-start; }
}

/* =========================================================
   FACTORY MAP
   ========================================================= */
.factory-map { padding: var(--section-y) 0 0 0; border-top: 1px solid var(--rule); }
.factory-map .layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 4vw, 64px);
}
@media (max-width: 900px) { .factory-map .layout { grid-template-columns: 1fr; } }

.factory-map .text .quote {
  font-family: var(--display);
  font-size: clamp(40px, 4.6vw, 72px);
  text-transform: uppercase;
  line-height: 1.1;
  margin: clamp(32px, 4vw, 48px) 0 clamp(32px, 4vw, 56px) 0;
  text-wrap: balance;
}

.factory-map .text .factory-lede {
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.5;
  color: var(--tech-grey);
  max-width: 48ch;
}
.factory-map .text .quote em {
  font-style: normal;
  background: var(--yellow);
  color: var(--ink-panel);
  padding: 0.04em 0.16em;
  /* Box-decoration-break: clone keeps the yellow rectangle on each line
     when the phrase wraps, instead of stretching across the gap. */
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* Full-width stats row spanning viewport edge to edge */
.factory-stats-fw {
  margin-top: clamp(28px, 3vw, 40px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 720px) {
  .factory-stats-fw { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.factory-stats-fw .s {
  background: var(--graphite-2);
  padding: clamp(24px, 3vw, 40px) clamp(20px, 3vw, 40px);
  display: grid;
  gap: 10px;
  align-content: center;
  min-width: 0;
}
.factory-stats-fw .v {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(36px, 4.5vw, 64px);
  line-height: 1;
  color: var(--yellow);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.factory-stats-fw .v .u {
  color: var(--tech-grey);
  font-size: 0.42em;
  margin-left: 4px;
  vertical-align: super;
  font-weight: 500;
}
.factory-stats-fw .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tech-grey);
}

/* Sticky-scroll stack: exterior pins first, then interior slides up to
   overlay it. JS sets --p (0→1) on .factory-stack as the user scrolls. */
.factory-stack {
  position: relative;
  height: 200vh;
  width: 100%;
  --p: 0;
}
.factory-stack-track {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: var(--ink-panel);
}
.factory-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  will-change: transform;
}
.factory-layer-exterior {
  background-image: url("assets/factory-exterior.jpg");
}
.factory-layer-interior {
  background-image: url("assets/factory-interior.jpg");
  /* Starts fully below the viewport, slides up to cover the exterior
     as --p moves 0 → 1. */
  transform: translateY(calc((1 - var(--p)) * 100%));
}
.factory-layer-interior .caption {
  position: absolute;
  left: clamp(20px, 4vw, 64px);
  bottom: clamp(20px, 4vw, 48px);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  text-shadow: 0 1px 3px rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  opacity: clamp(0, calc((var(--p) - 0.5) * 3), 1);
}
.factory-layer-interior .caption::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--yellow);
}
  color: var(--ink-panel);
  padding: 0 .1em;
}

.factory-map .text .stats {
  display: grid;
  /* auto-fit guarantees a single horizontal row whenever the container
     can fit 4 items of >=120px each. Falls back to fewer columns
     automatically on narrower containers. */
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  margin-top: 14px;
  border: 1px solid var(--rule);
}
@media (max-width: 720px) { .factory-map .text .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.factory-map .text .stats .s {
  background: var(--graphite-2);
  padding: 12px 10px;
  display: grid;
  gap: 3px;
  align-content: start;
  min-width: 0;
}
.factory-map .text .stats .v {
  font-family: var(--display);
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: 1;
  color: var(--yellow);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.factory-map .text .stats .k {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tech-grey);
  line-height: 1.35;
}

.map {
  aspect-ratio: 5/4;
  background:
    radial-gradient(60% 60% at 50% 50%, rgba(245,212,20,0.06), transparent 70%),
    var(--graphite-2);
  border: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
.map svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.map .hud-top, .map .hud-bottom {
  position: absolute; left: 16px; right: 16px;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--tech-grey);
  z-index: 5;
}
.map .hud-top { top: 16px; }
.map .hud-bottom { bottom: 16px; flex-wrap: wrap; gap: 12px 24px; }
.map .hud-bottom .legend-inline {
  display: flex; gap: 16px; flex-wrap: wrap;
}
.map .hud-bottom .legend-inline .row {
  display: inline-flex; align-items: center; gap: 8px;
}
.map .hud-bottom .legend-inline .swatch {
  width: 14px; height: 2px; background: var(--ink-panel);
}
.map .hud-bottom .legend-inline .swatch.dashed {
  background: repeating-linear-gradient(90deg, var(--ink-panel) 0 3px, transparent 3px 6px);
}
.map .hud-bottom .legend-inline .swatch.dot {
  width: 6px; height: 6px; background: var(--signal-green-deep); border-radius: 50%;
}

.map .legend { display: none; }

/* =========================================================
   SYSTEM — production line
   ========================================================= */
.system { padding: var(--section-y) 0; border-top: 1px solid var(--rule); background: var(--graphite-2); }
.system .lede { margin-bottom: 64px; }
.production-line {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0;
  position: relative;
}
.production-line .rail-col {
  position: relative;
  border-right: 1px solid var(--rule);
}
.production-line .rail-col::before {
  content: "";
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px;
  background: var(--rule);
  transform: translateX(-50%);
}
.production-line .rail-col::after {
  content: "";
  position: absolute;
  left: 50%; top: 0;
  width: 2px;
  height: var(--prog, 0%);
  background: var(--yellow);
  transform: translateX(-50%);
  transition: height .3s ease;
}

.stations { display: grid; gap: 0; }
.station {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  padding: 32px;
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: background .3s ease;
}
.station:last-child { border-bottom: 0; }
.station::before {
  content: "";
  position: absolute;
  left: -41px; top: 38px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--graphite-2);
  border: 2px solid var(--rule);
  transition: border-color .3s ease, background .3s ease, box-shadow .3s ease;
}
.station.active::before {
  background: var(--yellow);
  border-color: var(--yellow);
  box-shadow: 0 0 0 4px rgba(245,212,20,0.18), 0 0 22px var(--yellow);
}
.station .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--yellow);
  margin-bottom: 6px;
}
.station h3 {
  font-family: var(--display);
  font-size: clamp(36px, 4vw, 64px);
  font-weight: 600;
  text-transform: uppercase;
  margin: 0 0 18px 0;
  line-height: 0.95;
}
.station .desc {
  color: var(--tech-grey-3);
  max-width: 50ch;
}
.station .side {
  display: grid; gap: 12px; align-content: start;
}
.station .specs {
  display: grid; gap: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
}
.station .specs .row {
  display: grid; grid-template-columns: 1fr auto;
  border-top: 1px dashed var(--rule);
  padding: 8px 0;
}
.station .specs .row .v { color: var(--factory-white); }

@media (max-width: 800px) {
  .production-line { grid-template-columns: 40px 1fr; }
  .station { grid-template-columns: 1fr; padding: 24px 16px; gap: 16px; }
  .station::before { left: -21px; }
}

/* =========================================================
   COMPONENTS layers
   ========================================================= */
.components { padding: var(--section-y) 0; border-top: 1px solid var(--rule); }
.components .layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: stretch;
}
@media (max-width: 900px) { .components .layout { grid-template-columns: 1fr; } }

.layer-toggles { display: grid; gap: 6px; }
.layer-toggle {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--rule);
  background: var(--graphite-2);
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tech-grey-3);
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.layer-toggle:hover { border-color: var(--graphite-4); background: var(--graphite-3); }
.layer-toggle.on { color: var(--factory-white); border-color: var(--yellow); }
.layer-toggle .indicator {
  width: 14px; height: 14px;
  border: 1px solid currentColor;
  position: relative;
}
.layer-toggle.on .indicator { background: var(--yellow); border-color: var(--yellow); }
.layer-toggle.on .indicator::after {
  content: ""; position: absolute;
  left: 3px; top: 1px; width: 5px; height: 9px;
  border-right: 2px solid var(--graphite);
  border-bottom: 2px solid var(--graphite);
  transform: rotate(40deg);
}
.layer-toggle .meta {
  text-align: right;
  color: var(--tech-grey-2);
}
.layer-toggle .name {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.02em;
  font-weight: 600;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
  color: inherit;
}
.layer-toggle .desc {
  font-family: var(--body);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--tech-grey-2);
}

.building-vis {
  background: var(--graphite-2);
  border: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
  min-height: 560px;
  display: grid;
  place-items: center;
}
.building-vis .frame {
  width: 80%; aspect-ratio: 3/4;
  position: relative;
  display: grid;
  grid-template-rows: repeat(5, 1fr);
}
.building-vis .floor {
  border-top: 1px solid var(--rule);
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.building-vis .floor:first-child { border-top: 0; }
.building-vis .floor .cell {
  border-right: 1px solid var(--rule-soft);
  position: relative;
}
.building-vis .floor .cell:last-child { border-right: 0; }
.building-vis .layer-vis {
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity .25s ease;
}
.building-vis .layer-vis.on { opacity: 1; }

.building-vis .layer-vis.structure {
  background:
    repeating-linear-gradient(0deg, transparent 0 20%, rgba(245,212,20,0.4) 20% calc(20% + 1px)),
    repeating-linear-gradient(90deg, transparent 0 25%, rgba(245,212,20,0.25) 25% calc(25% + 1px));
}
.building-vis .layer-vis.facade {
  background:
    repeating-linear-gradient(90deg, rgba(201,165,116,0.5) 0 12%, rgba(140,107,62,0.5) 12% 24%);
  mix-blend-mode: multiply;
}
.building-vis .layer-vis.slabs {
  background:
    repeating-linear-gradient(0deg, transparent 0 calc(20% - 6px), rgba(201,165,116,0.7) calc(20% - 6px) 20%);
}
.building-vis .layer-vis.partitions {
  background:
    repeating-linear-gradient(90deg, transparent 0 25%, rgba(154,160,166,0.4) 25% calc(25% + 2px));
}
.building-vis .layer-vis.roof {
  background: linear-gradient(180deg, rgba(42,47,51,0.85) 0 8%, transparent 8%);
}
.building-vis .layer-vis.pods {
  background:
    radial-gradient(circle at 25% 30%, rgba(245,212,20,0.7) 4%, transparent 4.5%),
    radial-gradient(circle at 75% 50%, rgba(245,212,20,0.7) 4%, transparent 4.5%),
    radial-gradient(circle at 35% 75%, rgba(245,212,20,0.7) 4%, transparent 4.5%),
    radial-gradient(circle at 80% 85%, rgba(245,212,20,0.7) 4%, transparent 4.5%);
}

.building-vis .scale {
  position: absolute; right: 18px; top: 18px;
  display: flex; flex-direction: column; gap: 6px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--tech-grey-2);
}
.building-vis .scale .tick {
  display: grid; grid-template-columns: 18px 1fr; gap: 8px; align-items: center;
}
.building-vis .scale .tick::before {
  content: ""; height: 1px; background: var(--tech-grey-2);
}

.building-vis .axis-label {
  position: absolute; left: 18px; top: 18px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--tech-grey-2);
}
.building-vis .scale-bar {
  position: absolute; left: 18px; bottom: 18px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--tech-grey-2);
  display: flex; align-items: center; gap: 8px;
}
.building-vis .scale-bar::before {
  content: ""; width: 40px; height: 1px; background: var(--yellow);
}

/* =========================================================
   PROJECTS — pipeline
   ========================================================= */
.projects { padding: var(--section-y) 0; border-top: 1px solid var(--rule); }
.projects .filters {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.projects .pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 1100px) { .projects .pipeline { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) { .projects .pipeline { grid-template-columns: 1fr; } }

.project-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
}
.project-card .preview {
  aspect-ratio: 4/3;
  position: relative;
  background:
    linear-gradient(180deg, rgba(26,22,20,0.25), rgba(26,22,20,0.65)),
    url("assets/pipeline-a.jpg") center/cover no-repeat;
  overflow: hidden;
}
.pipeline .project-card:nth-child(2) .preview {
  background:
    linear-gradient(180deg, rgba(26,22,20,0.25), rgba(26,22,20,0.7)),
    url("assets/pipeline-b.jpg") center/cover no-repeat;
}
.pipeline .project-card:nth-child(3) .preview {
  background:
    linear-gradient(180deg, rgba(26,22,20,0.25), rgba(26,22,20,0.7)),
    url("assets/pipeline-c.jpg") center/cover no-repeat;
}
.pipeline .project-card:nth-child(4) .preview {
  background:
    linear-gradient(180deg, rgba(26,22,20,0.25), rgba(26,22,20,0.7)),
    url("assets/pipeline-d.jpg") center/cover no-repeat;
}
.pipeline .project-card:nth-child(5) .preview {
  background:
    linear-gradient(180deg, rgba(26,22,20,0.25), rgba(26,22,20,0.7)),
    url("assets/pipeline-e.jpg") center/cover no-repeat;
}
.pipeline .project-card:nth-child(6) .preview {
  background:
    linear-gradient(180deg, rgba(26,22,20,0.25), rgba(26,22,20,0.7)),
    url("assets/pipeline-a.jpg") center/cover no-repeat;
}
.project-card .preview .label {
  position: absolute; left: 12px; bottom: 12px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--paper);
  text-shadow: 0 1px 2px rgba(0,0,0,0.45);
}
.project-card .preview .label::before {
  content: ""; display: inline-block;
  width: 18px; height: 1px; background: var(--yellow);
  vertical-align: middle; margin-right: 6px;
}
.project-card .preview .state {
  position: absolute; right: 12px; top: 12px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 4px 8px;
  background: var(--ink-panel); color: var(--paper);
  border: 1px solid var(--ink-panel-2);
}
.project-card .preview .state.done { background: var(--signal-green); color: #fff; border-color: var(--signal-green); }
.project-card .preview .state.production { background: var(--yellow); color: var(--ink-panel); border-color: var(--yellow); }
.project-card .preview .state.assembly { background: var(--timber); color: var(--ink-panel); border-color: var(--timber); }

.project-card .preview .order-no {
  position: absolute; left: 12px; top: 12px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  color: var(--paper); text-transform: uppercase;
  text-shadow: 0 1px 2px rgba(0,0,0,0.45);
}

.project-card .head {
  padding: 18px;
  border-bottom: 1px solid var(--rule);
}
.project-card .head .ref {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--yellow);
  text-transform: uppercase;
}
.project-card .head h4 {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 600;
  text-transform: uppercase;
  line-height: 0.95;
  margin: 6px 0 4px 0;
}
.project-card .head .loc {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
}

.project-card .specs {
  padding: 16px 18px;
  display: grid;
  gap: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.project-card .specs .row {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 6px 0;
  border-top: 1px dashed var(--rule-soft);
  color: var(--tech-grey-2);
}
.project-card .specs .row:first-child { border-top: 0; }
.project-card .specs .row .v { color: var(--factory-white); }
.project-card .specs .row .v.green { color: var(--signal-green); }

.project-card .progress {
  padding: 14px 18px;
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 8px;
}
.project-card .progress .label {
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
}
.project-card .progress .label .pct { color: var(--yellow); }
.project-card .progress .bar {
  height: 4px; background: var(--graphite-3); position: relative; overflow: hidden;
}
.project-card .progress .bar::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  background: var(--yellow);
  width: var(--w, 50%);
}
.project-card .progress .bar.done::after { background: var(--signal-green); }

/* =========================================================
   IMPACT dashboard + calculator
   ========================================================= */
.impact { padding: var(--section-y) 0; border-top: 1px solid var(--rule); background: var(--graphite-2); }
.dashboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-bottom: 32px;
}
@media (max-width: 1000px) { .dashboard { grid-template-columns: 1fr 1fr; } }
.dashboard .cell {
  background: var(--paper);
  padding: 24px;
  display: grid;
  gap: 12px;
  position: relative;
}
.dashboard .cell .head {
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
}
.dashboard .cell .head .live {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--signal-green);
}
.dashboard .cell .head .live::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal-green);
}
.dashboard .cell .num {
  font-family: var(--display);
  font-size: clamp(40px, 4vw, 64px);
  font-weight: 600;
  line-height: 0.95;
}
.dashboard .cell .num .unit { font-size: 0.36em; color: var(--yellow); margin-left: 6px; letter-spacing: 0.04em; }
.dashboard .cell.green .num { color: var(--signal-green); }
.dashboard .cell .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--tech-grey-3); }
.dashboard .cell .spark {
  height: 28px;
  background:
    linear-gradient(180deg, transparent, transparent);
}
.dashboard .cell svg.spark { width: 100%; height: 28px; }

.calc-shell {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (max-width: 900px) { .calc-shell { grid-template-columns: 1fr; } }

.calc-form {
  background: var(--paper);
  padding: 36px;
  display: grid;
  gap: 22px;
}
.calc-form h3 {
  font-family: var(--display);
  font-size: clamp(28px, 2.4vw, 36px);
  text-transform: uppercase;
  margin: 0 0 4px 0;
  line-height: 0.95;
}
.calc-row {
  display: grid; gap: 8px;
}
.calc-row label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
}
.calc-row .options {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.calc-row .opt {
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tech-grey-3);
  transition: all .15s;
}
.calc-row .opt:hover { color: var(--factory-white); border-color: var(--graphite-4); }
.calc-row .opt.on {
  background: var(--yellow); color: var(--ink-panel); border-color: var(--yellow); font-weight: 700;
}
.calc-row input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  width: 100%;
}
.calc-row input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  background: var(--graphite-3);
}
.calc-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px;
  background: var(--yellow);
  border-radius: 0;
  margin-top: -7px;
  cursor: pointer;
}
.calc-row input[type="range"]::-moz-range-track { height: 4px; background: var(--graphite-3); }
.calc-row input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; background: var(--yellow); border: 0; border-radius: 0;
}
.calc-row .range-readout {
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.14em;
  color: var(--tech-grey-3);
  text-transform: uppercase;
}
.calc-row .range-readout .v { color: var(--yellow); font-size: 14px; }

.calc-result {
  background: var(--graphite-2);
  padding: 36px;
  display: grid;
  gap: 14px;
  align-content: start;
}
.calc-result .top {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
}
.calc-result .top .live { color: var(--yellow); }
.calc-result .row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--rule);
}
.calc-result .row .k {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--tech-grey-2);
}
.calc-result .row .v {
  font-family: var(--display);
  font-size: clamp(26px, 2.4vw, 36px);
  font-weight: 600;
  color: var(--factory-white);
  letter-spacing: 0;
}
.calc-result .row .v .unit { font-size: 0.5em; color: var(--yellow); margin-left: 4px; }
.calc-result .row.green .v { color: var(--signal-green); }
.calc-result .next {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid var(--yellow);
  background: rgba(245,212,20,0.06);
  display: grid; gap: 6px;
}
.calc-result .next .k {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--yellow);
}
.calc-result .next .v {
  font-family: var(--display);
  font-size: 22px;
  text-transform: uppercase;
  line-height: 1.05;
}

/* =========================================================
   FOR WHOM
   ========================================================= */
.for-whom { padding: var(--section-y) 0; border-top: 1px solid var(--rule); }
.audience {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (max-width: 1100px) { .audience { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .audience { grid-template-columns: 1fr; } }
.audience .a {
  background: var(--graphite-2);
  padding: 28px;
  min-height: 280px;
  display: grid;
  align-content: space-between;
  gap: 20px;
  position: relative;
}
.audience .a .code {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.16em;
  color: var(--yellow);
}
.audience .a h4 {
  font-family: var(--display);
  font-size: clamp(28px, 2.4vw, 36px);
  font-weight: 700;
  text-transform: uppercase;
  margin: 8px 0;
  line-height: 0.95;
}
.audience .a p { color: var(--tech-grey-3); font-size: 14px; margin: 0; }
.audience .a .read {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow);
  display: inline-flex; align-items: center; gap: 8px;
}
.audience .a:hover { background: var(--graphite-3); }

/* =========================================================
   CLOSING + FORM
   ========================================================= */
.closing { padding: var(--section-y) 0; border-top: 1px solid var(--rule); background: var(--graphite); }
.closing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 4vw, 80px);
  align-items: start;
}
@media (max-width: 900px) { .closing-grid { grid-template-columns: 1fr; } }

.smart-form {
  background: var(--graphite-2);
  border: 1px solid var(--rule);
  padding: 32px;
}
.smart-form .form-head {
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 16px;
  margin-bottom: 24px;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
}
.smart-form .form-head .id { color: var(--yellow); }
.smart-form h3 {
  font-family: var(--display);
  font-size: clamp(36px, 4vw, 64px);
  text-transform: uppercase;
  margin: 0 0 28px 0;
  line-height: 0.9;
  font-weight: 600;
}
.smart-form fieldset {
  border: 0; padding: 0; margin: 0 0 24px 0;
}
.smart-form fieldset legend {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 12px;
  display: flex; gap: 10px; align-items: center;
}
.smart-form fieldset legend .n { color: var(--tech-grey-2); }
.smart-form .opts {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.smart-form .opts .opt {
  padding: 9px 14px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--tech-grey-3);
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: all .15s;
}
.smart-form .opts .opt:hover { color: var(--factory-white); border-color: var(--graphite-4); }
.smart-form .opts .opt.on { background: var(--yellow); color: var(--ink-panel); border-color: var(--yellow); font-weight: 700; }

.upload {
  border: 1px dashed var(--rule);
  padding: 18px 20px;
  display: grid;
  gap: 8px;
  text-align: left;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tech-grey-3);
  cursor: text;
  transition: border-color .15s;
}
.upload:hover { border-color: var(--yellow); }
.upload:focus-within { border-color: var(--yellow); border-style: solid; }
.upload .formats { display: block; color: var(--tech-grey-2); margin-top: 0; font-size: 10px; }
.upload-input {
  width: 100%;
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--body);
  font-size: 16px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink-panel);
  padding: 6px 0;
}
.upload-input::placeholder {
  color: var(--tech-grey);
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--body);
  font-size: 15px;
}

.closing .pitch h2 { margin: 0 0 24px 0; }
.closing .pitch .quote {
  font-family: var(--display);
  font-size: clamp(28px, 2.6vw, 40px);
  text-transform: uppercase;
  line-height: 0.98;
  border-left: 2px solid var(--yellow);
  padding-left: 20px;
  margin: 32px 0;
}
.closing .pitch .badges {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--tech-grey-2);
}
.closing .pitch .badges .b {
  border: 1px solid var(--rule);
  padding: 14px 16px;
  display: grid; gap: 6px;
}
.closing .pitch .badges .b .v { font-family: var(--display); font-size: 22px; color: var(--factory-white); letter-spacing: 0; }

/* =========================================================
   FOOTER
   ========================================================= */
footer.site-footer {
  background: var(--ink-panel);
  color: var(--paper);
  border-top: 1px solid var(--rule);
  padding: 80px 0 32px 0;
}
.site-footer .footer-grid h5 { color: var(--yellow); }
.site-footer .footer-grid ul a { color: rgba(255,252,245,0.72); }
.site-footer .footer-grid ul a:hover { color: var(--paper); }
.site-footer .footer-grid .big { color: var(--paper); }
.site-footer .footer-grid .big .y { color: var(--yellow); }
.site-footer .footer-grid p { color: rgba(255,252,245,0.62); }
.site-footer .footer-grid,
.site-footer .footer-meta { border-color: rgba(255,252,245,0.12); }
.site-footer .footer-meta { color: rgba(255,252,245,0.5); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h5 {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow);
  margin: 0 0 18px 0;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-grid ul a {
  font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tech-grey-3);
}
.footer-grid ul a:hover { color: var(--factory-white); }
.footer-grid .big {
  font-family: var(--display);
  font-size: clamp(48px, 6vw, 88px);
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: -0.01em;
  margin: 0;
}
.footer-grid .big .y { color: var(--yellow); }
.footer-meta {
  padding-top: 30px;
  display: flex; justify-content: space-between; gap: 24px;
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
  flex-wrap: wrap;
}
.footer-meta .group { display: flex; gap: 18px; flex-wrap: wrap; }

/* =========================================================
   Editorial section ("Diario de fábrica")
   ========================================================= */
.editorial { padding: var(--section-y) 0; border-top: 1px solid var(--rule); }
.editorial-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (max-width: 900px) { .editorial-grid { grid-template-columns: 1fr; } }
.editorial-card {
  background: var(--graphite-2);
  padding: 28px;
  display: grid;
  gap: 16px;
  align-content: space-between;
  min-height: 360px;
  position: relative;
}
.editorial-card.feature .vis {
  aspect-ratio: 16/9;
  background:
    linear-gradient(180deg, rgba(26,22,20,0.15), rgba(26,22,20,0.45)),
    url("assets/pipeline-a.jpg") center/cover no-repeat;
  border: 1px solid var(--rule);
  margin-bottom: 8px;
}
.editorial-card .cat {
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--yellow);
}
.editorial-card .date {
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tech-grey-2);
}
.editorial-card h4 {
  font-family: var(--display);
  font-size: clamp(24px, 2.2vw, 32px);
  font-weight: 600;
  text-transform: uppercase;
  margin: 0;
  line-height: 0.98;
}
.editorial-card.feature h4 { font-size: clamp(28px, 2.6vw, 44px); }
.editorial-card .read {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--factory-white);
  display: inline-flex; gap: 8px; align-items: center;
}
.editorial-card .read::after { content: "→"; color: var(--yellow); }

/* =========================================================
   Density tweak
   ========================================================= */
body[data-density="comfortable"] {
  --section-y: clamp(110px, 12vw, 200px);
}
body[data-density="dense"] {
  --section-y: clamp(60px, 7vw, 100px);
}

/* Tweaks: accent color */
body[data-accent="yellow"] { --yellow: #F5D414; --yellow-hot: #FFE236; --yellow-deep: #C9AD00; }
body[data-accent="amber"] { --yellow: #E3B046; --yellow-hot: #F4C45F; --yellow-deep: #A07512; }
body[data-accent="verde"] { --yellow: #6BA77F; --yellow-hot: #84C797; --yellow-deep: #2E6B45; }
body[data-accent="signal"] { --yellow: #FF4D2E; --yellow-hot: #FF6A50; --yellow-deep: #B82B12; }

/* Tweaks: HUD toggle */
body.hide-hud .hero-visual .hud,
body.hide-hud .hero-visual .corner-mark,
body.hide-hud .hero-visual .crosshair,
body.hide-hud .map .hud-top,
body.hide-hud .map .hud-bottom,
body.hide-hud .map .legend,
body.hide-hud .hero .top-strip,
body.hide-hud .status-pill,
body.hide-hud .exploded .axis-label,
body.hide-hud .building-vis .axis-label,
body.hide-hud .building-vis .scale,
body.hide-hud .building-vis .scale-bar { display: none !important; }

/* =========================================================
   INTRO STAGE — scroll-driven curtain reveal
   The .intro-stage section is ~220vh tall. Inside, .intro-sticky pins
   for the duration. JS sets --p (0→1) on .intro-stage based on scroll.
   ========================================================= */
.intro-stage {
  position: relative;
  height: 280vh;            /* longer travel → slower curtain opening */
  background: var(--graphite);
  --p: 0;
}
.intro-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  /* overflow:clip no crea scroll container → sticky funciona en iOS Safari */
  overflow: clip;
  background: var(--graphite);
}
.intro-frame {
  position: relative;
  width: 100%;
  height: 100%;
}

/* The two photos start touching at the center.
   Left photo occupies left half; right photo occupies right half.
   As --p goes 0→1 they translate outward to disappear off-screen.
   Photos sit at z-index 2 so they COVER the logo at p=0 — as they
   part, the logo behind them is naturally revealed in the gap. */
.intro-photo {
  position: absolute;
  top: 0; bottom: 0;
  width: 50%;
  z-index: 2;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: grayscale(0.1) contrast(1.02) brightness(0.92);
  will-change: transform;
}
.intro-photo-l {
  left: 0;
  transform: translateX(calc(var(--p) * -102%));
}
.intro-photo-r {
  right: 0;
  transform: translateX(calc(var(--p) * 102%));
}

/* Videos inside the curtain panes — cover the half-pane. Each pane only
   reveals half the source video, so we double-scale and shift it to use
   a different slice on the left vs the right (creates a two-shot feel
   from a single source clip). */
.intro-photo .intro-video {
  position: absolute;
  top: 0;
  height: 100%;
  width: 200%;             /* video covers BOTH halves, we slide to clip */
  object-fit: cover;
  pointer-events: none;
  background: var(--ink-panel);
}
.intro-photo-l .intro-video { left: 0; }
.intro-photo-r .intro-video { right: 0; }

/* Logo sits BEHIND the photos (z-index 1). At p=0 it starts BELOW the
   centre and rises upward as the user scrolls — the photos covering it
   reveal it bit by bit as they part. */
.intro-center {
  position: absolute;
  left: 50%;
  top: 50%;
  /* Start ~35vh below centre, end ~22vh above centre (total 57vh travel) */
  transform: translate(-50%, calc(-50% + 35vh - var(--p) * 57vh));
  z-index: 1;
  text-align: center;
  pointer-events: none;
  will-change: transform;
}
.intro-logo {
  /* Preserve the source logo's native ratio (676×159 ≈ 4.25:1) explicitly
     so no parent layout can squish it vertically. */
  height: clamp(72px, 13vw, 220px);
  width: auto;
  aspect-ratio: 676 / 159;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

/* Top + bottom HUD strips */
.intro-meta-top, .intro-meta-bottom {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tech-grey);
}
.intro-meta-top {
  top: clamp(20px, 3vh, 36px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}
.intro-meta-top .intro-meta-mid {
  text-align: center;
  opacity: 0.7;
}
.intro-meta-bottom {
  bottom: clamp(28px, 4vh, 48px);
  gap: 24px;
}
@media (max-width: 720px) {
  /* ── HUD ── */
  .intro-meta-top .intro-meta-mid { display: none; }
  .intro-meta-bottom { flex-direction: column; align-items: flex-start; gap: 16px; }

  /* ── Intro mobile: cortina VERTICAL ──────────────────────────────
     En portrait un split izquierda/derecha aplasta los vídeos a tiras.
     Usamos top/bottom: dos mitades a todo ancho que se deslizan arriba
     y abajo, dejando al logo emerger en el hueco central.
     - 200vh de altura → 100vh de travel → animación completa en 75vh scroll.
     - dvh: compensa la barra de dirección móvil (iOS/Android).
  ──────────────────────────────────────────────────────────────────── */
  .intro-stage { height: 200vh; }

  /* sticky: dvh para que no quede recortado por la barra de navegación */
  .intro-sticky {
    height: 100vh;
    height: 100dvh;
  }

  /* Ambos paneles: ancho completo, altura media */
  .intro-photo {
    width: 100%;
    height: 50%;
    left: 0;
    right: 0;
  }

  /* Panel superior — sube */
  .intro-photo-l {
    top: 0;
    bottom: auto;
    transform: translateY(calc(var(--p) * -101%));
  }

  /* Panel inferior — baja;
     reset explícito de right:0 que viene del desktop */
  .intro-photo-r {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(calc(var(--p) * 101%));
  }

  /* Vídeos: llenan su panel completamente (sin truco de 200% de ancho) */
  .intro-photo .intro-video {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
  }
  /* reset de right:0 del desktop en panel derecho */
  .intro-photo-r .intro-video { right: 0; }

  /* Logo: empieza 14vh bajo la juntura (tapado por el panel inferior)
     y sube hasta el centro exacto al terminar la animación. */
  .intro-center {
    transform: translate(-50%, calc(-50% + 14vh - var(--p) * 14vh));
  }
  .intro-logo { height: clamp(52px, 14vw, 82px); }

  /* ── Mode cards: solo titular + tagline ─────────────────────
     El grid pasa a 1fr (≤900px); reseteamos subgrid y ocultamos
     desc + scope para que los 3 rectángulos sean compactos.    */
  .modes .grid { grid-template-rows: none; row-gap: 1px; }
  .mode-card {
    display: flex; flex-direction: column; gap: 10px;
    grid-row: auto;
    padding: 20px;
  }
  .mode-card .desc,
  .mode-card .scope { display: none; }
  .mode-card h3 { font-size: clamp(40px, 11vw, 60px); margin: 0; line-height: 0.88; }
  .mode-card .who { margin: 0; }

  /* ── Sostenibilidad: título sin desborde ────────────────────
     "La sostenibilidad" es ~18 chars; a 44px mínimo desborda
     los ~350px disponibles en móvil. Reducimos y añadimos wrap. */
  .impact .h-section {
    font-size: clamp(32px, 8vw, 48px);
    overflow-wrap: break-word;
    word-break: break-word;
  }
  .dashboard { gap: 1px; margin-bottom: 24px; }
  .dashboard .cell { padding: 14px 12px; }
  .dashboard .cell .num { font-size: clamp(26px, 7vw, 40px); }

  /* ── Calculadora: sin desborde ──────────────────────────────
     padding 36px → 22px; botones de opción más pequeños.      */
  .calc-shell { min-width: 0; overflow: hidden; }
  .calc-form,
  .calc-result { padding: 22px 16px; }
  .calc-row .opt { padding: 6px 10px; font-size: 10px; letter-spacing: 0.08em; }
}

.intro-progress {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  max-width: 420px;
}
.intro-progress-track {
  flex: 1;
  height: 2px;
  background: var(--rule);
  overflow: hidden;
}
.intro-progress-fill {
  width: 100%; height: 100%;
  background: var(--yellow);
  transform-origin: left center;
  transform: scaleX(0);
}
.intro-progress-label {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--yellow);
  font-feature-settings: "tnum";
  white-space: nowrap;
}

.intro-scroll-hint {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-panel);
  background: rgba(255,252,245,0.45);
  opacity: clamp(0, calc(1 - var(--p) * 3), 1);
  transition: opacity .12s linear;
}
.intro-scroll-hint .intro-arrow {
  animation: introBob 1.6s ease-in-out infinite;
}
@keyframes introBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* =========================================================
   HERO word reveal (used both with intro and intro-skip)
   ========================================================= */
.hero-main h1.reveal-host .word {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  line-height: 0.92;
}
.hero-main h1.reveal-host .word.is-stencil {
  /* keep stencil bg + padding intact, just animate the inner span */
  overflow: hidden;
}
.hero-main h1.reveal-host .word-inner {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
}
.hero-main h1.reveal-host.in-view .word-inner {
  animation: wordReveal .95s cubic-bezier(.2,.7,.2,1) forwards;
  animation-delay: calc(var(--word-i, 0) * 0.07s + 0.05s);
}
@keyframes wordReveal {
  to { transform: translateY(0); opacity: 1; }
}

/* Secondary hero elements fade in slightly later */
.hero-main .eyebrow,
.hero-body,
.hero-ctas,
.hero-visual,
.hero-kpis {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1);
}
body.intro-finished .hero-main .eyebrow { transition-delay: .15s; opacity: 1; transform: none; }
body.intro-finished .hero-body          { transition-delay: .55s; opacity: 1; transform: none; }
body.intro-finished .hero-ctas          { transition-delay: .70s; opacity: 1; transform: none; }
body.intro-finished .hero-visual        { transition-delay: .85s; opacity: 1; transform: none; }
body.intro-finished .hero-kpis          { transition-delay: 1.00s; opacity: 1; transform: none; }

/* If skipping the intro entirely, snap in instantly */
html.intro-skip .hero-main h1.reveal-host .word-inner { transform: none; opacity: 1; }
html.intro-skip .hero-main .eyebrow,
html.intro-skip .hero-body,
html.intro-skip .hero-ctas,
html.intro-skip .hero-visual,
html.intro-skip .hero-kpis { opacity: 1; transform: none; transition: none; }


/* =========================================================
   FOOTER · Legal / RGPD strip
   ========================================================= */
.footer-legal {
  padding: 28px 0;
  border-top: 1px solid rgba(255,252,245,0.12);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 900px) { .footer-legal { grid-template-columns: 1fr; gap: 18px; } }
.footer-legal .legal-block {
  display: grid;
  gap: 6px;
  font-family: var(--mono);
}
.footer-legal .legal-title {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--yellow);
}
.footer-legal .legal-val {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(255,252,245,0.62);
  line-height: 1.55;
}
.footer-legal .legal-val a { color: var(--paper); text-decoration: underline; text-decoration-color: rgba(255,252,245,0.3); }
.footer-legal .legal-val a:hover { text-decoration-color: var(--yellow); }

.footer-meta .legal-links { gap: 14px; }
.footer-meta .legal-links a {
  color: rgba(255,252,245,0.62);
  transition: color .15s ease;
}
.footer-meta .legal-links a:hover { color: var(--yellow); }

/* =========================================================
   FORM · Consent checkbox
   ========================================================= */
.form-consent {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid var(--rule);
  background: rgba(255,252,245,0.4);
  font-family: var(--body);
  font-size: 11px;
  line-height: 1.55;
  color: var(--tech-grey-2);
}
.form-consent input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  margin: 2px 0 0 0;
  border: 1.5px solid var(--ink-panel);
  background: var(--paper);
  cursor: pointer;
  position: relative;
}
.form-consent input[type="checkbox"]:checked {
  background: var(--yellow);
  border-color: var(--yellow);
}
.form-consent input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 3px; top: 0;
  width: 5px; height: 10px;
  border-right: 2px solid var(--ink-panel);
  border-bottom: 2px solid var(--ink-panel);
  transform: rotate(40deg);
}
.form-consent a { color: var(--ink-panel); text-decoration: underline; }
.form-consent a:hover { color: var(--yellow-deep); }

/* =========================================================
   COOKIE BANNER
   ========================================================= */
.cookie-banner {
  position: fixed;
  inset: auto var(--gutter) 24px var(--gutter);
  z-index: 80;
  display: flex;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .3s ease, transform .35s cubic-bezier(.2,.7,.2,1);
}
.cookie-banner.in { opacity: 1; transform: translateY(0); pointer-events: auto; }

.cookie-banner .cookie-card {
  width: 100%;
  max-width: 720px;
  background: var(--ink-panel);
  color: var(--paper);
  padding: 22px 24px 18px 24px;
  border-radius: 4px;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.4), 0 2px 8px rgba(0,0,0,0.2);
  border: 1px solid var(--ink-panel-2);
  display: grid;
  gap: 14px;
}

.cookie-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,252,245,0.5);
}
.cookie-head .cookie-tag { color: var(--yellow); }

.cookie-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 2.2vw, 32px);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin: 0;
  line-height: 0.98;
  color: var(--paper);
}

.cookie-body {
  font-family: var(--body);
  font-size: 13px;
  line-height: 1.55;
  margin: 0;
  color: rgba(255,252,245,0.78);
  max-width: 62ch;
}
.cookie-body strong { color: var(--paper); font-weight: 600; }
.cookie-body a { color: var(--yellow); text-decoration: underline; text-decoration-color: rgba(245,178,0,0.5); }
.cookie-body a:hover { text-decoration-color: var(--yellow); }

.cookie-cats {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid rgba(255,252,245,0.12);
  background: rgba(255,252,245,0.04);
}
.cookie-cat {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
  padding: 8px 0;
  font-family: var(--body);
  cursor: pointer;
}
.cookie-cat input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  margin: 2px 0 0 0;
  border: 1.5px solid rgba(255,252,245,0.4);
  background: transparent;
  cursor: pointer;
  position: relative;
}
.cookie-cat input[type="checkbox"]:checked {
  background: var(--yellow);
  border-color: var(--yellow);
}
.cookie-cat input[type="checkbox"]:disabled {
  border-color: rgba(245,178,0,0.4);
  background: rgba(245,178,0,0.4);
  cursor: not-allowed;
}
.cookie-cat input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 3px; top: 0;
  width: 5px; height: 10px;
  border-right: 2px solid var(--ink-panel);
  border-bottom: 2px solid var(--ink-panel);
  transform: rotate(40deg);
}
.cookie-cat .cat-name {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 2px;
}
.cookie-cat .cat-name em {
  font-style: normal;
  color: rgba(255,252,245,0.4);
}
.cookie-cat .cat-desc {
  display: block;
  font-size: 12px;
  color: rgba(255,252,245,0.62);
  line-height: 1.5;
}

.cookie-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.cookie-actions .cookie-mini {
  padding: 10px 16px;
  font-size: 11px;
  letter-spacing: 0.12em;
}
.cookie-actions .btn.ghost {
  color: var(--paper);
  border-color: rgba(255,252,245,0.2);
  background: transparent;
}
.cookie-actions .btn.ghost:hover {
  background: rgba(255,252,245,0.06);
  border-color: rgba(255,252,245,0.4);
}

.cookie-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,252,245,0.4);
  border-top: 1px solid rgba(255,252,245,0.1);
  padding-top: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.cookie-meta a { color: var(--yellow); }

@media (max-width: 640px) {
  .cookie-banner { inset: auto 12px 12px 12px; }
  .cookie-banner .cookie-card { padding: 18px; }
  .cookie-actions { justify-content: stretch; }
  .cookie-actions .cookie-mini { flex: 1; justify-content: center; }
}


/* =========================================================
   PROJECTS · editorial cards (Life Habitat / Fioresta / Casernes)
   ========================================================= */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(40px, 4vw, 64px) clamp(24px, 3vw, 40px);
  background: transparent;
}
@media (max-width: 700px) { .proj-grid { grid-template-columns: 1fr; gap: 40px; } }

.proj-card {
  display: grid;
  grid-template-rows: auto auto;
  gap: 18px;
  background: transparent;
  color: inherit;
  transition: opacity .2s ease;
}
.proj-card:hover { opacity: 0.94; }

.proj-photo {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--graphite-2);
  position: relative;
}
.proj-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1.2s cubic-bezier(.2,.7,.2,1);
}
.proj-card:hover .proj-photo img { transform: scale(1.03); }

.proj-body {
  padding: 0 4px;
  display: grid;
  gap: 8px;
}
.proj-title {
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(14px, 1.1vw, 17px);
  letter-spacing: 0.12em;
  line-height: 1.3;
  margin: 0;
  color: var(--ink-panel);
  text-transform: uppercase;
}
.proj-cat {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tech-grey);
}

/* Section header filter chips — pill style, no industrial dots */
.projects .filters { gap: 8px; margin-bottom: 40px; }
.chip-pill {
  padding: 8px 18px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: transparent;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tech-grey);
  transition: all .15s ease;
}
.chip-pill:hover { color: var(--ink-panel); border-color: var(--ink-panel); }
.chip-pill.active {
  background: var(--ink-panel);
  color: var(--paper);
  border-color: var(--ink-panel);
}

.proj-cta {
  margin-top: 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}