@import url('https://fonts.googleapis.com/css2?family=Cormorant:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Jost:wght@300;400;500;600&display=swap');

/* ─── Variables ─────────────────────────────────────────────── */
:root {
  --dark-warm:   #1A1614;
  --deep-slate:  #2A3240;
  --cream:       #F0EAE0;
  --gold:        #C9A96E;
  --warm-white:  #F8F5F1;
  --charcoal:    #2D2926;
  --font-display: 'Cormorant', Georgia, serif;
  --font-body:   'Jost', system-ui, sans-serif;
  --header-h:    72px;
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: auto; }
body {
  background: var(--dark-warm);
  color: var(--cream);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }

/* ─── Loader ─────────────────────────────────────────────────── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--dark-warm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; }
.loader-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
}
.loader-track {
  width: 280px;
  height: 1px;
  background: rgba(240,234,224,0.15);
  position: relative;
}
#loader-bar {
  position: absolute;
  left: 0; top: 0; height: 100%;
  background: var(--gold);
  width: 0%;
  transition: width 0.1s linear;
}
#loader-percent {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(240,234,224,0.45);
}

/* ─── Header ─────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9000;
  height: var(--header-h);
  padding: 0 4vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: background 0.4s ease;
}
.site-header.scrolled {
  background: rgba(26,22,20,0.92);
  backdrop-filter: blur(12px);
}
.header-logo {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream);
}
.header-logo span { color: var(--gold); }
.site-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.site-nav a {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(240,234,224,0.75);
  transition: color 0.25s ease;
}
.site-nav a:hover { color: var(--cream); }
.site-nav .nav-cta {
  border: 1px solid var(--gold);
  padding: 0.5rem 1.25rem;
  color: var(--gold);
  border-radius: 2px;
  transition: background 0.25s, color 0.25s;
}
.site-nav .nav-cta:hover {
  background: var(--gold);
  color: var(--dark-warm);
}
.hamburger {
  display: none;
  background: transparent;
  border: none;
  outline: none;
  -webkit-appearance: none;
}

/* ─── Hero Standalone ────────────────────────────────────────── */
.hero-standalone {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 6vw 8vh;
  background: var(--dark-warm);
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26,22,20,0.55) 0%,
    rgba(26,22,20,0.1) 50%,
    rgba(26,22,20,0.0) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  opacity: 0;
  will-change: opacity, transform;
}
.hero-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: block;
}
.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 700;
  line-height: 1.0;
  color: var(--cream);
  margin-bottom: 1.5rem;
}
.hero-heading em {
  font-style: italic;
  color: rgba(240,234,224,0.7);
}
.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.4vw, 1.1rem);
  font-weight: 300;
  color: rgba(240,234,224,0.65);
  max-width: 560px;
  margin-bottom: 3rem;
}
.scroll-indicator {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: rgba(240,234,224,0.45);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-indicator .arrow {
  width: 1px;
  height: 40px;
  background: var(--gold);
  position: relative;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.15); }
}
.service-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  z-index: 3;
  color: rgba(240,234,224,0.38);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  pointer-events: none;
}
.service-scroll-hint .arrow {
  width: 1px;
  height: 36px;
  background: var(--gold);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ─── Hero Phrase 2 (second catchphrase, top half) ──────────── */
.hero-phrase-2 {
  position: absolute;
  top: 12vh;
  left: 6vw;
  right: 6vw;
  z-index: 3;
  opacity: 0;
  transform: translateY(-20px);
  will-change: opacity, transform;
  pointer-events: none;
}
.hero-phrase-2 .hero-label {
  margin-bottom: 1rem;
}
.hero-phrase-2-text {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.5vw, 6.5rem);
  font-weight: 700;
  line-height: 1.0;
  color: var(--cream);
  max-width: 900px;
}
.hero-phrase-2-text em {
  font-style: italic;
  color: rgba(240,234,224,0.7);
}

/* ─── Canvas ─────────────────────────────────────────────────── */
.canvas-wrap {
  position: fixed;
  inset: 0;
  z-index: 100;
  clip-path: circle(0% at 50% 50%);
  will-change: clip-path;
  pointer-events: none;
}
#canvas {
  width: 100%;
  height: 100%;
  display: block;
  background: var(--dark-warm);
}

/* ─── Dark Overlay ───────────────────────────────────────────── */
#dark-overlay {
  position: fixed;
  inset: 0;
  z-index: 125;
  background: rgba(26,22,20,0.9);
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}

/* ─── Marquee ────────────────────────────────────────────────── */
.marquee-wrap {
  position: fixed;
  bottom: 10vh;
  left: 0;
  z-index: 300;
  overflow: hidden;
  width: 100%;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}
.marquee-text {
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 12vw;
  font-weight: 700;
  color: rgba(201,169,110,0.72);
  line-height: 1;
  display: inline-block;
  animation: marqueeRoll 36s linear infinite;
}
@keyframes marqueeRoll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── Scroll Container ───────────────────────────────────────── */
#scroll-container {
  position: relative;
  height: 900vh;
  z-index: 150;
}

/* ─── Scroll Sections ────────────────────────────────────────── */
.scroll-section {
  position: absolute;
  width: 100%;
  padding: 0 5vw;
  opacity: 0;
  pointer-events: none;
  will-change: opacity, transform;
  transform: translateY(-50%);
}
.scroll-section.visible { opacity: 1; pointer-events: auto; }

.align-left  { padding-right: 55vw; }
.align-right { padding-left: 55vw; padding-right: 5vw; }
.align-left .section-inner,
.align-right .section-inner { max-width: 38vw; }

.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
  text-shadow: 0 1px 8px rgba(0,0,0,0.95), 0 0 30px rgba(0,0,0,0.8);
}
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--warm-white);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 16px rgba(0,0,0,0.95), 0 4px 60px rgba(0,0,0,0.8);
}
.section-body {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.2vw, 1.05rem);
  font-weight: 400;
  line-height: 1.75;
  color: var(--warm-white);
  text-shadow: 0 1px 6px rgba(0,0,0,1), 0 2px 20px rgba(0,0,0,1), 0 4px 50px rgba(0,0,0,0.9);
}
.section-note {
  display: block;
  margin-top: 1.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  font-weight: 500;
  text-shadow: 0 1px 8px rgba(0,0,0,0.95), 0 0 30px rgba(0,0,0,0.8);
}

/* ─── Stats Section ──────────────────────────────────────────── */
.section-stats {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.stats-grid {
  display: flex;
  align-items: flex-start;
  gap: 5vw;
  flex-wrap: wrap;
  justify-content: center;
}
.stat {
  text-align: center;
  flex: 0 0 auto;
}
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 700;
  color: var(--warm-white);
  line-height: 1;
  text-shadow: 0 2px 16px rgba(0,0,0,0.95), 0 4px 50px rgba(0,0,0,0.85);
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 3rem);
  font-weight: 500;
  color: var(--gold);
  text-shadow: 0 2px 12px rgba(0,0,0,0.95);
}
.stat-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(240,234,224,0.85);
  margin-top: 0.75rem;
  max-width: 160px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 8px rgba(0,0,0,0.95);
}

/* ─── Fork Navigation Panels ─────────────────────────────────── */
.fork-panel {
  position: fixed;
  top: 0;
  height: 100vh;
  z-index: 400;
  display: flex;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0s, background 0.35s ease;
  will-change: opacity;
  text-decoration: none;
  cursor: default;
}
#fork-left {
  left: 0;
  width: 50%;
  background: rgba(42,50,64,0.88);
  justify-content: flex-end;
  padding-right: 5vw;
  border-right: 1px solid rgba(201,169,110,0.25);
}
#fork-right {
  right: 0;
  width: 50%;
  background: rgba(26,22,20,0.88);
  justify-content: flex-start;
  padding-left: 5vw;
  border-left: 1px solid rgba(201,169,110,0.25);
}
.fork-panel.visible {
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}
#fork-left.visible:hover {
  background: rgba(52,62,80,0.96);
  border-right-color: rgba(201,169,110,0.7);
}
#fork-right.visible:hover {
  background: rgba(38,32,28,0.96);
  border-left-color: rgba(201,169,110,0.7);
}
.fork-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 440px;
  transform: translateX(0);
  transition: transform 0.4s ease;
}
#fork-left:hover .fork-inner { transform: translateX(-8px); }
#fork-right:hover .fork-inner { transform: translateX(8px); }
.fork-direction {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
}
.fork-label {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4.5vw, 5rem);
  font-weight: 700;
  color: var(--cream);
  line-height: 1.05;
}
.fork-sub {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(240,234,224,0.65);
  letter-spacing: 0.05em;
}
.fork-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 0.5rem;
  border-bottom: 1px solid rgba(201,169,110,0.35);
  padding-bottom: 0.5rem;
  transition: gap 0.3s ease, border-color 0.3s;
}
.fork-panel:hover .fork-cta {
  gap: 1.25rem;
  border-color: var(--gold);
}
.fork-divider {
  position: fixed;
  top: 0; left: 50%;
  width: 1px;
  height: 100vh;
  background: linear-gradient(to bottom, transparent, rgba(201,169,110,0.5), transparent);
  z-index: 401;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
  transform: translateX(-50%);
}

/* ─── CTA Section ────────────────────────────────────────────── */
.section-cta {
  text-align: center;
  padding: 0 10vw;
}
.section-cta .section-inner { max-width: 620px; margin: 0 auto; }
.cta-button {
  display: inline-block;
  margin-top: 2rem;
  padding: 1rem 2.5rem;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
  border-radius: 2px;
}
.cta-button:hover {
  background: var(--gold);
  color: var(--dark-warm);
}
.cta-button.primary {
  background: var(--gold);
  color: var(--dark-warm);
  border-color: var(--gold);
}
.cta-button.primary:hover {
  background: transparent;
  color: var(--gold);
}

/* ─── Service Pages ──────────────────────────────────────────── */
.service-page { overflow-x: hidden; }
.service-page.virus { background: var(--deep-slate); }
.service-page.battery { background: var(--dark-warm); }

/* Service Hero */
.service-hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 2rem) 7vw 10vh;
}
.service-hero-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.service-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26,22,20,0.92) 0%,
    rgba(26,22,20,0.5) 40%,
    rgba(26,22,20,0.25) 100%
  );
}
.virus .service-hero-overlay {
  background: linear-gradient(
    to top,
    rgba(42,50,64,0.95) 0%,
    rgba(42,50,64,0.55) 40%,
    rgba(42,50,64,0.2) 100%
  );
}
.service-hero-content {
  position: relative;
  z-index: 2;
  max-width: 52%;
}
.service-hero-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}
.service-hero-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--cream);
  margin-bottom: 1.5rem;
}
.service-hero-heading em { font-style: italic; color: rgba(240,234,224,0.7); }
.service-hero-sub {
  font-size: clamp(0.9rem, 1.3vw, 1.05rem);
  font-weight: 300;
  color: rgba(240,234,224,0.65);
  max-width: 520px;
  line-height: 1.7;
}

/* Stats bar */
.stats-bar {
  background: rgba(0,0,0,0.35);
  border-top: 1px solid rgba(201,169,110,0.2);
  border-bottom: 1px solid rgba(201,169,110,0.2);
  padding: 2.5rem 7vw;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat-item { text-align: center; }
.stat-item .num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  font-weight: 700;
  color: var(--cream);
  line-height: 1;
}
.stat-item .num .suf {
  font-size: 0.55em;
  color: var(--gold);
  vertical-align: super;
}
.stat-item .lbl {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(240,234,224,0.45);
  margin-top: 0.5rem;
}

/* Service Sections */
.service-section {
  padding: 8rem 7vw;
}
.service-section + .service-section {
  padding-top: 0;
}
.service-section.alt {
  padding-left: 40vw;
}
.section-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6vw;
  align-items: center;
}
.section-pair.reverse { direction: rtl; }
.section-pair.reverse > * { direction: ltr; }
.pair-img {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}
.pair-img img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  object-position: center;
}
.service-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.service-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cream);
  margin-bottom: 1.5rem;
}
.service-body {
  font-size: clamp(0.88rem, 1.15vw, 1rem);
  font-weight: 300;
  line-height: 1.8;
  color: rgba(240,234,224,0.7);
}
.service-body + .service-body { margin-top: 1rem; }

/* Process steps */
.process-steps {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
}
.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(201,169,110,0.25);
  line-height: 1;
  flex: 0 0 3rem;
}
.step-text strong {
  display: block;
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--cream);
  margin-bottom: 0.4rem;
}
.step-text span {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(240,234,224,0.72);
}

/* Pull quote */
.pull-quote {
  padding: 6rem 7vw;
  border-top: 1px solid rgba(201,169,110,0.15);
  border-bottom: 1px solid rgba(201,169,110,0.15);
}
.pull-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 4rem);
  font-style: italic;
  font-weight: 400;
  color: var(--cream);
  line-height: 1.25;
  max-width: 900px;
}
.pull-quote cite {
  display: block;
  margin-top: 1.5rem;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}

/* Marquee strip */
.service-marquee {
  overflow: hidden;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(201,169,110,0.1);
  background: rgba(0,0,0,0.2);
}
.marquee-inner {
  display: flex;
  gap: 4rem;
  animation: marqueeScroll 24s linear infinite;
  white-space: nowrap;
}
.marquee-inner span {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(201,169,110,0.35);
}
.marquee-inner .dot {
  color: var(--gold);
  font-size: 0.5rem;
  align-self: center;
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* CTA section service pages */
.service-cta {
  padding: 8rem 7vw;
  text-align: center;
}
.service-cta .cta-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 1.25rem;
}
.service-cta .cta-body {
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  font-weight: 300;
  color: rgba(240,234,224,0.6);
  max-width: 500px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}
.cta-pair {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Science reference box */
.science-ref {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border-left: 2px solid var(--gold);
  background: rgba(201,169,110,0.05);
}
.science-ref p {
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(240,234,224,0.55);
}
.science-ref p strong {
  color: rgba(240,234,224,0.8);
  font-weight: 500;
}

/* Harness callout */
.harness-callout {
  padding: 5rem 7vw;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4vw;
  background: rgba(255,255,255,0.03);
  border-top: 1px solid rgba(201,169,110,0.1);
}
.harness-img {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}
.harness-img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  object-position: center top;
}
@media (max-width: 900px) {
  .harness-img img { height: auto !important; object-fit: contain !important; }
}
.harness-text {
  grid-column: span 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Footer */
.site-footer {
  padding: 4rem 7vw;
  border-top: 1px solid rgba(240,234,224,0.1);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 2rem;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(240,234,224,0.4);
}
.footer-brand strong { color: var(--gold); }
.footer-contact {
  font-size: 0.78rem;
  color: rgba(240,234,224,0.4);
  line-height: 1.7;
  text-align: right;
}
.footer-contact a { color: rgba(201,169,110,0.7); }
.footer-contact a:hover { color: var(--gold); }
.footer-nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(240,234,224,0.35);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--cream); }
.footer-bottom {
  width: 100%;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(240,234,224,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: 0.68rem;
  color: rgba(240,234,224,0.25);
  letter-spacing: 0.08em;
}

/* ─── Mobile Hero (hidden on desktop, shown on phones) ──────── */
.hero-mobile { display: none; }

/* ─── Mobile Logo Animation (hidden on desktop) ─────────────── */
.mobile-logo-section { display: none; }
.mobile-logo-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-mobile-video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
}
.hero-mobile-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26,22,20,0.65) 0%,
    rgba(26,22,20,0.0) 22%
  );
}

/* ─── Mobile service picker (replaces fork panels on phones) ─── */
#fork-mobile {
  display: none;
  flex-direction: column;
  gap: 1px;
  background: rgba(201,169,110,0.12);
  border-top: 1px solid rgba(201,169,110,0.18);
  border-bottom: 1px solid rgba(201,169,110,0.18);
}
.fork-mobile-card {
  display: block;
  padding: 2.5rem 6vw;
  background: var(--dark-warm);
  text-decoration: none;
  transition: background 0.25s;
}
.fork-mobile-card:first-child { background: rgba(42,50,64,0.7); }
.fork-mobile-card:hover { background: rgba(201,169,110,0.06); }
.fork-mobile-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.6rem;
}
.fork-mobile-title {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  font-weight: 700;
  color: var(--cream);
  line-height: 1.1;
  margin-bottom: 0.6rem;
}
.fork-mobile-sub {
  display: block;
  font-size: 0.78rem;
  color: rgba(240,234,224,0.5);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
.fork-mobile-cta {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid rgba(201,169,110,0.35);
  padding-bottom: 0.3rem;
}

/* ─── Utility ────────────────────────────────────────────────── */
.gold { color: var(--gold); }
.cream { color: var(--cream); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

/* ─── Watch / Video Card ────────────────────────────────────── */
.watch-card {
  display: block;
  max-width: 700px;
  margin: 2.5rem auto 0;
  border: 1px solid rgba(201,169,110,0.2);
  border-radius: 3px;
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.3s;
}
.watch-card:hover { border-color: rgba(201,169,110,0.6); }
.watch-card-inner {
  background: rgba(10,8,7,0.65);
  padding: 2.5rem 2.25rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.watch-play {
  width: 68px;
  height: 68px;
  flex-shrink: 0;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s, transform 0.25s;
}
.watch-card:hover .watch-play {
  background: var(--cream);
  transform: scale(1.08);
}
.watch-text-group h3 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  font-weight: 600;
  color: var(--cream);
  line-height: 1.2;
  margin-bottom: 0.45rem;
}
.watch-text-group p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: rgba(240,234,224,0.5);
  line-height: 1.6;
}

/* ─── Demo Form Toggle ──────────────────────────────────────── */
.demo-form-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.65s ease;
}
.demo-form-wrap.open {
  max-height: 2400px;
}
.demo-cta-wrap {
  margin-top: 2rem;
}

/* ─── Demo Request Form ──────────────────────────────────────── */
.demo-form {
  max-width: 660px;
  margin: 2.5rem auto 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.form-label {
  font-family: var(--font-body);
  font-size: 0.67rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(240,234,224,0.4);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(240,234,224,0.05);
  border: 1px solid rgba(201,169,110,0.18);
  border-radius: 2px;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--cream);
  width: 100%;
  transition: border-color 0.2s;
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: rgba(201,169,110,0.6); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(240,234,224,0.18); }
.form-group select option { background: #1a1614; color: var(--cream); }
.form-group textarea { resize: vertical; min-height: 110px; }

/* ─── Mobile ─────────────────────────────────────────────────── */
/* ─── Tablet / large mobile — 900px ─────────────────────────── */
@media (max-width: 900px) {
  /* Remove backdrop-filter on mobile — it makes the header the containing block
     for position:fixed children, so the nav only fills the 60px header bar
     instead of the full viewport when the user has scrolled. */
  .site-header.scrolled { backdrop-filter: none; }

  /* Raise header above the body-level backdrop */
  .site-header { z-index: 9001; }

  /* Nav — hidden by default on mobile */
  .site-nav { display: none; }

  /* Nav open: solid dark background, full viewport */
  .site-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--dark-warm);
    z-index: 9002;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
  }

  /* Body-level backdrop — belt-and-suspenders insurance */
  #mobile-nav-bg {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--dark-warm);
    z-index: 9000;
  }
  #mobile-nav-bg.open { display: block; }

  .site-nav.open a { font-size: 1.1rem; }
  body.nav-open { overflow: hidden; }
  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 9002;
  }
  .hamburger span {
    display: block;
    width: 26px;
    height: 1px;
    background: var(--cream);
    transition: transform 0.3s, opacity 0.3s;
  }

  /* ── Index page: collapse scroll engine into normal flow ── */
  .canvas-wrap  { display: none !important; }
  .marquee-wrap { display: none !important; }
  #dark-overlay { display: none !important; }
  .fork-panel   { display: none !important; }
  #fork-mobile  { display: flex; }

  /* Make scroll container a normal document flow block */
  #scroll-container {
    height: auto !important;
    position: relative;
  }
  /* Scroll sections become static stacked blocks */
  .scroll-section {
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    padding: 4rem 6vw;
    width: 100%;
  }
  /* Remove side alignment constraints */
  .align-left, .align-right { padding: 4rem 6vw; }
  .align-left .section-inner,
  .align-right .section-inner { max-width: 100%; }

  /* Desktop-only elements */
  .desktop-only { display: none !important; }

  /* Desktop hero hides; mobile hero takes over */
  .hero-standalone { display: none !important; }

  /* Mobile logo animation — fixed height crops black video padding; Science section peeks below */
  .mobile-logo-section {
    display: block;
    width: 100%;
    height: 72vh;
    overflow: hidden;
    background: var(--dark-warm);
  }
  .hero-mobile {
    display: flex;
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 580px;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0 6vw 8vh;
    overflow: hidden;
    background: var(--dark-warm);
  }

  /* Index stats section */
  .section-stats { padding: 3rem 6vw; display: block; }
  .stats-grid {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 2rem 4vw;
    justify-content: center;
  }
  .stat { flex: 0 0 45%; }
  .stat-number { font-size: clamp(2.4rem, 8vw, 4rem); }
  .stat-suffix  { font-size: clamp(1rem, 3.5vw, 1.8rem); }
  .stat-label   { font-size: 0.65rem; max-width: 130px; }

  /* Service page stats bar */
  .stats-bar { grid-template-columns: repeat(2, 1fr); padding: 2rem 6vw; }

  /* Section pairs stack vertically */
  .section-pair { grid-template-columns: 1fr; gap: 2.5rem; }
  .section-pair.reverse { direction: ltr; }
  .section-pair.reverse > * { direction: ltr; }

  /* Service sections */
  .service-section { padding: 4.5rem 6vw; }
  .service-section + .service-section { padding-top: 0; }
  .service-heading { font-size: clamp(1.8rem, 5vw, 2.8rem); }
  .pair-img img { height: auto; object-fit: contain; }

  /* Hero */
  .service-hero-content { max-width: 80%; }
  .service-hero-sub { max-width: 100%; }
  .service-scroll-hint { bottom: 1.5rem; }

  /* Pull quote */
  .pull-quote { padding: 4rem 6vw; }

  /* ESD harness */
  .harness-callout { grid-template-columns: 1fr; padding: 3.5rem 6vw; }
  .harness-img img { height: auto; object-fit: contain; }

  /* Footer */
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .footer-nav { gap: 1.25rem; }
}

/* ─── Mobile — 600px ─────────────────────────────────────────── */
@media (max-width: 600px) {
  /* Stats bar */
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 1.5rem; padding: 1.75rem 5vw; }

  /* Service sections */
  .service-section { padding: 3.5rem 5vw; }
  .service-heading { font-size: clamp(1.6rem, 6vw, 2.4rem); }
  .pair-img img { height: auto; object-fit: contain; }

  /* Hero */
  .service-hero-content { max-width: 90%; }
  .service-hero-sub { font-size: 0.88rem; line-height: 1.65; }

  /* Pull quote */
  .pull-quote { padding: 3rem 5vw; }
  .pull-quote blockquote { font-size: clamp(1.5rem, 5.5vw, 2.5rem); }

  /* ESD harness */
  .harness-callout { padding: 3rem 5vw; }
  .harness-img img { height: auto; object-fit: contain; }

  /* CTA section */
  .service-cta { padding: 4rem 5vw; }
  .service-cta .cta-heading { font-size: clamp(1.8rem, 7vw, 2.8rem); }
  .cta-pair { flex-direction: column; align-items: center; }
  .cta-pair .cta-button { width: 100%; max-width: 380px; text-align: center; }

  /* Forms — 16px prevents iOS auto-zoom on input focus */
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 1rem; }
  .form-row { grid-template-columns: 1fr; }
  .demo-form { max-width: 100%; margin-top: 1.5rem; }

  /* Footer */
  .site-footer { flex-direction: column; align-items: flex-start; }
  .footer-contact { text-align: left; }
  .footer-bottom { align-items: center; text-align: center; }
}

/* ─── Small phones — 480px ───────────────────────────────────── */
@media (max-width: 480px) {
  /* Service hero */
  .service-hero-heading { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.15; }
  .service-hero-sub { font-size: 0.85rem; }
  .service-hero-label { letter-spacing: 0.2em; font-size: 0.6rem; }

  /* Stats bar */
  .stat-item .num { font-size: clamp(1.6rem, 7.5vw, 2.4rem); }
  .stat-item .lbl { font-size: 0.6rem; letter-spacing: 0.1em; }

  /* Index stats */
  .stat-number { font-size: clamp(2.2rem, 9vw, 3.5rem); }
  .stat-suffix  { font-size: clamp(1rem, 4vw, 1.5rem); }
  .stat-label   { font-size: 0.62rem; }

  /* Index scroll sections */
  .section-heading { font-size: clamp(1.8rem, 7.5vw, 3rem); }
  .section-body    { font-size: 0.9rem; }
  #scroll-container { height: 500vh; }

  /* Service sections */
  .service-section { padding: 3rem 5vw; }
  .service-heading { font-size: clamp(1.4rem, 7vw, 2.2rem); }
  .pair-img img { height: auto; object-fit: contain; }

  /* Pull quote */
  .pull-quote blockquote { font-size: clamp(1.3rem, 6vw, 2rem); }
  .pull-quote { padding: 2.5rem 5vw; }

  /* CTA */
  .service-cta .cta-heading { font-size: clamp(1.5rem, 7.5vw, 2.2rem); }
  .cta-button { width: 100%; text-align: center; display: block; box-sizing: border-box; }

  /* Footer nav */
  .footer-nav { gap: 1rem; }
  .footer-nav a { font-size: 0.65rem; }
  .footer-bottom p { font-size: 0.6rem; }

  /* Scroll hint */
  .service-scroll-hint { bottom: 1rem; font-size: 0.55rem; }
  .service-scroll-hint .arrow { height: 28px; }
}