/* =============================================================
   Universal Garments — v2 Design System
   Tesla-inspired cinematic minimalism × Apple editorial type
   Pure CSS, no Bootstrap. Single-file system.
   ============================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  /* Color */
  --c-canvas:       #ffffff;
  --c-canvas-alt:   #f5f4f1;       /* soft linen */
  --c-ink:          #0a0a0a;
  --c-ink-2:        #1a1a1a;
  --c-muted:        #6b6b6b;
  --c-muted-2:      #9a9a9a;
  --c-hairline:     #e8e6e1;
  --c-accent:       #c85a2e;       /* terracotta — textile warmth */
  --c-accent-soft:  #f3e4db;
  --c-dark:         #0a0a0a;
  --c-dark-2:       #141414;
  --c-on-dark:      #f5f4f1;

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-display: "Inter Tight", "Inter", -apple-system, system-ui, sans-serif;

  /* Fluid type scale */
  --fs-display:  clamp(2.75rem, 7.2vw, 7.5rem);
  --fs-h1:       clamp(2.25rem, 5vw, 4.5rem);
  --fs-h2:       clamp(1.75rem, 3.6vw, 3.25rem);
  --fs-h3:       clamp(1.25rem, 2vw, 1.75rem);
  --fs-h4:       1.125rem;
  --fs-body:     1.0625rem;
  --fs-body-lg:  1.1875rem;
  --fs-small:    0.875rem;
  --fs-kicker:   0.75rem;

  /* Spacing (8pt) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 16px;
  --s-4: 24px;
  --s-5: 32px;
  --s-6: 48px;
  --s-7: 64px;
  --s-8: 96px;
  --s-9: 128px;
  --s-10: 160px;

  /* Layout */
  --container:     1440px;
  --content:       1200px;
  --content-narrow: 960px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Motion */
  --ease-out-expo:  cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out-expo: cubic-bezier(0.83, 0, 0.17, 1);
  --dur-fast: 200ms;
  --dur:      500ms;
  --dur-slow: 900ms;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(10,10,10,0.04), 0 2px 8px rgba(10,10,10,0.04);
  --shadow-md: 0 4px 24px rgba(10,10,10,0.08);
  --shadow-lg: 0 20px 60px rgba(10,10,10,0.12);

  /* Nav */
  --nav-h: 72px;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  margin: 0;
  background: var(--c-canvas);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button { background: none; border: 0; cursor: pointer; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; padding: 0; margin: 0; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
  color: var(--c-ink);
}

p { margin: 0; }

::selection { background: var(--c-accent); color: #fff; }

/* ---------- 3. Utility layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(24px, 5vw, 96px);
}

.content {
  max-width: var(--content);
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(96px, 14vw, 200px);
}

.section--tight { padding-block: clamp(64px, 9vw, 120px); }
.section--alt   { background: var(--c-canvas-alt); }
.section--dark  { background: var(--c-dark); color: var(--c-on-dark); }
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--c-on-dark); }

/* ---------- 4. Kicker / eyebrow ---------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: var(--fs-kicker);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-muted);
}
.kicker::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--c-accent);
}
.kicker--accent { color: var(--c-accent); }
.section--dark .kicker { color: var(--c-muted-2); }

/* ---------- 5. Display type ---------- */
.display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.headline {
  font-size: var(--fs-h1);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.subhead {
  font-size: var(--fs-h2);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.lede {
  font-size: var(--fs-body-lg);
  color: var(--c-muted);
  line-height: 1.55;
  max-width: 62ch;
}

/* ---------- 6. Buttons ---------- */
.btn {
  --btn-bg:    var(--c-ink);
  --btn-fg:    var(--c-canvas);
  --btn-bd:    var(--c-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid var(--btn-bd);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border-radius: 999px;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out-expo),
              background var(--dur-fast) var(--ease-out-expo),
              color var(--dur-fast) var(--ease-out-expo);
  will-change: transform;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-ink);
}
.btn--ghost:hover {
  --btn-bg: var(--c-ink);
  --btn-fg: var(--c-canvas);
}

.btn--on-dark {
  --btn-bg: var(--c-canvas);
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-canvas);
}
.btn--on-dark-ghost {
  --btn-bg: transparent;
  --btn-fg: var(--c-canvas);
  --btn-bd: rgba(255,255,255,0.4);
}
.btn--on-dark-ghost:hover {
  --btn-bg: var(--c-canvas);
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-canvas);
}

.btn .btn-icon {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  transition: transform var(--dur-fast) var(--ease-out-expo);
}
.btn:hover .btn-icon { transform: translateX(3px); }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--c-ink);
  padding: 4px 0;
  border-bottom: 1px solid var(--c-ink);
  transition: gap var(--dur-fast) var(--ease-out-expo);
}
.btn-link:hover { gap: 16px; }

/* ---------- 7. Nav ---------- */
.nav {
  position: fixed;
  top: 0;
  inset-inline: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background var(--dur) var(--ease-out-expo),
              backdrop-filter var(--dur) var(--ease-out-expo),
              border-color var(--dur) var(--ease-out-expo);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(255,255,255,0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: var(--c-hairline);
}
.nav--on-dark:not(.is-scrolled) { color: var(--c-on-dark); }
.nav--on-dark:not(.is-scrolled) .logo-mark,
.nav--on-dark:not(.is-scrolled) .nav-list a { color: var(--c-on-dark); }
.nav--on-dark:not(.is-scrolled) .btn--ghost {
  --btn-fg: var(--c-on-dark);
  --btn-bd: rgba(255,255,255,0.45);
}
.nav--on-dark:not(.is-scrolled) .btn--ghost:hover {
  --btn-bg: var(--c-on-dark);
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-on-dark);
}

.nav-inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(24px, 5vw, 96px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo-mark {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--c-ink);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.logo-mark::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--c-accent);
  border-radius: 50%;
  transform: translateY(-1px);
}

.nav-list {
  display: none;
  gap: 36px;
  align-items: center;
}
.nav-list a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--c-ink);
  position: relative;
  padding: 6px 0;
  transition: color var(--dur-fast);
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform var(--dur) var(--ease-out-expo);
}
.nav-list a:hover::after,
.nav-list a.is-active::after { transform: translateX(-50%) scaleX(1); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--c-hairline);
  border-radius: 999px;
  color: inherit;
}
.nav-toggle svg { width: 18px; height: 18px; }

.mobile-panel {
  position: fixed;
  inset: 0;
  background: var(--c-canvas);
  z-index: 99;
  padding: calc(var(--nav-h) + 48px) 32px 48px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--dur) var(--ease-out-expo),
              transform var(--dur) var(--ease-out-expo);
  overflow-y: auto;
}
.mobile-panel.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.mobile-panel ul { display: grid; gap: 8px; margin-bottom: 40px; }
.mobile-panel a {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.5rem);
  letter-spacing: -0.03em;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-hairline);
}

@media (min-width: 960px) {
  .nav-list { display: flex; }
  .nav-toggle { display: none; }
}

/* ---------- 8. Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--c-on-dark);
  background: var(--c-dark);
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media video,
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.02);
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.15) 30%, rgba(10,10,10,0.25) 60%, rgba(10,10,10,0.85) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: clamp(60px, 9vw, 140px);
  padding-top: calc(var(--nav-h) + 32px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: end;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.6fr 1fr; }
}

.hero-headline {
  font-size: var(--fs-display);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.95;
  color: var(--c-on-dark);
  max-width: 15ch;
}
.hero-headline .word {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
}
.hero-headline .word > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 900ms var(--ease-out-expo);
}
.hero.is-ready .hero-headline .word > span { transform: translateY(0); }

.hero-sub {
  margin-top: 28px;
  font-size: var(--fs-body-lg);
  max-width: 52ch;
  color: rgba(255,255,255,0.82);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 900ms 500ms var(--ease-out-expo),
              transform 900ms 500ms var(--ease-out-expo);
}
.hero.is-ready .hero-sub { opacity: 1; transform: translateY(0); }

.hero-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 900ms 700ms var(--ease-out-expo),
              transform 900ms 700ms var(--ease-out-expo);
}
.hero.is-ready .hero-actions { opacity: 1; transform: translateY(0); }

.hero-meta {
  display: grid;
  gap: 28px;
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-small);
  border-top: 1px solid rgba(255,255,255,0.18);
  padding-top: 28px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 900ms 900ms var(--ease-out-expo),
              transform 900ms 900ms var(--ease-out-expo);
}
.hero.is-ready .hero-meta { opacity: 1; transform: translateY(0); }
.hero-meta strong {
  display: block;
  color: var(--c-on-dark);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
@media (min-width: 720px) {
  .hero-meta { grid-template-columns: repeat(3, 1fr); gap: 32px; }
}

.hero-scroll-hint {
  position: absolute;
  right: clamp(24px, 5vw, 96px);
  bottom: 40px;
  z-index: 2;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.7);
  display: none;
  align-items: center;
  gap: 12px;
}
.hero-scroll-hint::after {
  content: "";
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, rgba(255,255,255,0.6), transparent);
  animation: scroll-line 2.2s var(--ease-out-expo) infinite;
}
@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  40%  { transform: scaleY(1); transform-origin: top; }
  60%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
@media (min-width: 960px) { .hero-scroll-hint { display: flex; } }

/* ---------- 9. Marquee / client strip (future hook) ---------- */
.marquee {
  display: flex;
  overflow: hidden;
  gap: 80px;
  padding: 32px 0;
  border-top: 1px solid var(--c-hairline);
  border-bottom: 1px solid var(--c-hairline);
  --marquee-duration: 40s;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track {
  display: flex;
  gap: 80px;
  flex-shrink: 0;
  animation: marquee var(--marquee-duration) linear infinite;
}
.marquee__item {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--c-ink-2);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 80px;
}
.marquee__item::after {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--c-accent);
  border-radius: 50%;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}

/* ---------- 10. Section header ---------- */
.section-head {
  display: grid;
  gap: 24px;
  margin-bottom: clamp(48px, 6vw, 96px);
}
.section-head__title {
  font-size: var(--fs-h1);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
  max-width: 18ch;
}
.section-head__lede {
  font-size: var(--fs-body-lg);
  color: var(--c-muted);
  max-width: 58ch;
}
@media (min-width: 960px) {
  .section-head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }
  .section-head__title { grid-column: 1; }
  .section-head__lede  { grid-column: 2; }
}

.section-index {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--c-accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

/* ---------- 11. About split ---------- */
.about-grid {
  display: grid;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
@media (min-width: 960px) {
  .about-grid { grid-template-columns: 1.05fr 1fr; }
}

.about-figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 5/6;
  background: var(--c-canvas-alt);
}
.about-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1400ms var(--ease-out-expo);
}
.about-figure:hover img { transform: scale(1.04); }

.about-copy h3 {
  font-size: var(--fs-h2);
  max-width: 16ch;
  margin-bottom: 28px;
}
.about-copy p {
  color: var(--c-muted);
  font-size: var(--fs-body-lg);
  max-width: 58ch;
  margin-bottom: 20px;
}
.about-copy p strong { color: var(--c-ink); font-weight: 500; }

.checklist {
  display: grid;
  gap: 16px;
  margin: 32px 0;
  padding: 32px 0;
  border-top: 1px solid var(--c-hairline);
  border-bottom: 1px solid var(--c-hairline);
}
.checklist li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 16px;
  align-items: start;
  font-size: var(--fs-body);
  line-height: 1.55;
}
.checklist li::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--c-accent);
  background: radial-gradient(circle, var(--c-accent) 40%, transparent 42%);
  margin-top: 5px;
}
.checklist li strong { color: var(--c-ink); font-weight: 500; }

.about-feature-figure {
  margin-top: 40px;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
}
.about-feature-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.play-btn {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  display: grid;
  place-items: center;
  color: var(--c-ink);
  transition: transform var(--dur) var(--ease-out-expo),
              background var(--dur) var(--ease-out-expo);
}
.play-btn::before {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.6);
  animation: pulse 2.4s ease-out infinite;
}
.play-btn svg { width: 24px; height: 24px; margin-left: 3px; }
.play-btn:hover { transform: scale(1.08); background: #fff; }
@keyframes pulse {
  0%   { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(1.35); opacity: 0; }
}

/* ---------- 12. Capability strip (stats row) ---------- */
.capabilities {
  background: var(--c-canvas-alt);
  padding-block: clamp(48px, 7vw, 96px);
  border-top: 1px solid var(--c-hairline);
  border-bottom: 1px solid var(--c-hairline);
}
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--c-hairline);
}
@media (min-width: 960px) {
  .capabilities-grid { grid-template-columns: repeat(4, 1fr); }
}
.capability-card {
  background: var(--c-canvas-alt);
  padding: clamp(24px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 180px;
  justify-content: space-between;
  transition: background var(--dur) var(--ease-out-expo);
}
.capability-card:hover { background: var(--c-canvas); }
.capability-card__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--c-ink);
}
.capability-card__label {
  font-size: var(--fs-small);
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- 13. QA service cards ---------- */
.qa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 720px) { .qa-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .qa-grid { grid-template-columns: repeat(4, 1fr); } }

.qa-card {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--c-canvas);
  border: 1px solid var(--c-hairline);
  border-radius: var(--radius-lg);
  transition: transform var(--dur) var(--ease-out-expo),
              border-color var(--dur) var(--ease-out-expo),
              box-shadow var(--dur) var(--ease-out-expo);
  color: var(--c-ink);
}
.qa-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}
.qa-card__media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.qa-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1400ms var(--ease-out-expo);
}
.qa-card:hover .qa-card__media img { transform: scale(1.06); }
.qa-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,10,10,0.35) 100%);
}
.qa-card__body {
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.qa-card__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--c-hairline);
  color: var(--c-accent);
  font-size: 1.125rem;
}
.qa-card__title {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.qa-card__text {
  font-size: var(--fs-small);
  color: var(--c-muted);
  line-height: 1.6;
}
.qa-card__more {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--c-accent);
  margin-top: 4px;
  transition: gap var(--dur-fast);
}
.qa-card:hover .qa-card__more { gap: 14px; }

/* ---------- 14. Service stack (numbered editorial list) ---------- */
.service-stack { display: grid; gap: 0; }
.service-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: clamp(32px, 5vw, 56px) 0;
  border-top: 1px solid var(--c-hairline);
  align-items: start;
  position: relative;
  transition: padding var(--dur) var(--ease-out-expo);
  color: var(--c-ink);
}
.service-row:last-child { border-bottom: 1px solid var(--c-hairline); }
.service-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 1px;
  background: var(--c-accent);
  transition: width 900ms var(--ease-out-expo);
}
.service-row:hover::before { width: 100%; }

@media (min-width: 960px) {
  .service-row {
    grid-template-columns: 80px minmax(0, 1fr) minmax(0, 1.2fr) 140px;
    align-items: center;
    gap: 40px;
  }
}
.service-row__num {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-muted);
  letter-spacing: 0.1em;
}
.service-row__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--c-ink);
  transition: transform var(--dur) var(--ease-out-expo);
}
.service-row:hover .service-row__title { transform: translateX(8px); }
.service-row__desc {
  font-size: var(--fs-body);
  color: var(--c-muted);
  max-width: 55ch;
}
.service-row__arrow {
  justify-self: start;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--c-hairline);
  display: grid;
  place-items: center;
  color: var(--c-ink);
  transition: background var(--dur) var(--ease-out-expo),
              color var(--dur) var(--ease-out-expo),
              transform var(--dur) var(--ease-out-expo);
}
@media (min-width: 960px) { .service-row__arrow { justify-self: end; } }
.service-row:hover .service-row__arrow {
  background: var(--c-ink);
  color: var(--c-canvas);
  transform: rotate(-45deg);
}
.service-row__arrow svg { width: 20px; height: 20px; }

/* ---------- 15. Features (product tabs) ---------- */
.features {
  background: var(--c-dark);
  color: var(--c-on-dark);
}
.features .kicker { color: rgba(255,255,255,0.6); }
.features .section-head__title { color: var(--c-on-dark); }
.features .section-head__lede { color: rgba(255,255,255,0.7); }

.tabs {
  display: grid;
  gap: 48px;
}
.tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.16);
}
.tabs__trigger {
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: color var(--dur-fast),
              background var(--dur-fast),
              border-color var(--dur-fast);
}
.tabs__trigger:hover { color: var(--c-on-dark); }
.tabs__trigger.is-active {
  color: var(--c-ink);
  background: var(--c-on-dark);
  border-color: var(--c-on-dark);
}

.tab-pane {
  display: none;
  animation: fade-in 700ms var(--ease-out-expo) both;
}
.tab-pane.is-active { display: block; }
@keyframes fade-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tab-content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 960px) {
  .tab-content-grid { grid-template-columns: 1fr 1.2fr; gap: 80px; }
}
.tab-figure {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #1a1a1a;
}
.tab-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tab-copy h3 {
  font-size: var(--fs-h2);
  color: var(--c-on-dark);
  margin-bottom: 20px;
}
.tab-copy .lede { color: rgba(255,255,255,0.75); }
.tab-copy p {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-body);
  margin-top: 20px;
  max-width: 58ch;
}
.tab-copy h5 {
  font-size: var(--fs-kicker);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-accent);
  margin-top: 32px;
  margin-bottom: 16px;
}
.tab-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
.tab-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 16px;
  color: rgba(255,255,255,0.82);
  font-size: var(--fs-body);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.tab-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
  margin-top: 10px;
}

/* ---------- 16. Team ---------- */
.team-grid {
  display: grid;
  gap: clamp(32px, 4vw, 56px);
  grid-template-columns: 1fr;
  max-width: 900px;
  margin: 0 auto;
}
@media (min-width: 720px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }

.team-card {
  display: grid;
  gap: 24px;
}
.team-card__photo {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-canvas-alt);
}
.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  transition: filter 900ms var(--ease-out-expo),
              transform 1400ms var(--ease-out-expo);
}
.team-card:hover .team-card__photo img {
  filter: grayscale(0%);
  transform: scale(1.03);
}
.team-card__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--c-hairline);
}
.team-card__name {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.team-card__role {
  font-size: var(--fs-small);
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.team-card__social {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--c-hairline);
  align-items: center;
  justify-content: center;
  color: var(--c-ink);
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.team-card__social:hover {
  background: var(--c-ink);
  color: var(--c-canvas);
  border-color: var(--c-ink);
}

/* ---------- 17. Contact ---------- */
.contact {
  background: var(--c-canvas-alt);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}
@media (min-width: 960px) {
  .contact-grid { grid-template-columns: 1fr 1.2fr; gap: 96px; }
}

.contact-info {
  display: grid;
  gap: 32px;
  align-content: start;
}
.contact-info__block {
  padding: 24px 0;
  border-top: 1px solid var(--c-hairline);
}
.contact-info__block:last-child { border-bottom: 1px solid var(--c-hairline); }
.contact-info__label {
  font-size: var(--fs-kicker);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  display: block;
  margin-bottom: 12px;
}
.contact-info__value {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--c-ink);
}
.contact-info__value p { margin: 0; }

.contact-form {
  display: grid;
  gap: 20px;
  background: var(--c-canvas);
  padding: clamp(28px, 4vw, 48px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-hairline);
}
.form-row {
  display: grid;
  gap: 20px;
}
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }

.field {
  position: relative;
}
.field label {
  display: block;
  font-size: var(--fs-kicker);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 8px;
}
.field input,
.field textarea {
  width: 100%;
  padding: 14px 0;
  border: 0;
  border-bottom: 1px solid var(--c-hairline);
  background: transparent;
  font-size: 1rem;
  color: var(--c-ink);
  border-radius: 0;
  transition: border-color var(--dur-fast);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--c-ink);
}
.field textarea { resize: vertical; min-height: 120px; }

.form-status {
  min-height: 24px;
  font-size: var(--fs-small);
  color: var(--c-muted);
}
.form-status.is-loading::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--c-hairline);
  border-top-color: var(--c-accent);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
  vertical-align: -3px;
  margin-right: 8px;
}
.form-status.is-success { color: #1f7a3e; }
.form-status.is-error   { color: #b4321c; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 18. Footer ---------- */
.footer {
  background: var(--c-dark);
  color: var(--c-on-dark);
  padding-block: clamp(80px, 10vw, 140px) 48px;
}
.footer-top {
  display: grid;
  gap: 56px;
  padding-bottom: 80px;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
@media (min-width: 720px) {
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr; }
}
.footer-mark {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 7rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--c-on-dark);
}
.footer-mark span { color: var(--c-accent); }
.footer-tag {
  margin-top: 16px;
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-body);
  max-width: 36ch;
}
.footer-col h4 {
  font-size: var(--fs-kicker);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  padding: 8px 0;
  color: rgba(255,255,255,0.85);
  font-size: var(--fs-body);
  transition: color var(--dur-fast), transform var(--dur-fast);
}
.footer-col a:hover { color: var(--c-accent); transform: translateX(4px); }

.footer-bottom {
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  color: rgba(255,255,255,0.5);
  font-size: var(--fs-small);
}

/* ---------- 19. Scroll to top ---------- */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 50;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--c-ink);
  color: var(--c-canvas);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease-out-expo),
              transform var(--dur) var(--ease-out-expo);
}
.scroll-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.scroll-top svg { width: 18px; height: 18px; }

/* ---------- 20. Scroll progress bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 200;
  pointer-events: none;
}
.scroll-progress__bar {
  height: 100%;
  width: 0;
  background: var(--c-accent);
  transition: width 50ms linear;
}

/* ---------- 21. Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 900ms var(--ease-out-expo),
              transform 900ms var(--ease-out-expo);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

/* Performance hint — skip sections that contain sticky / pinned layouts,
   because content-visibility: auto establishes layout containment which
   breaks sticky positioning and mis-reserves height for long wraps. */
.main > section:not(.hero):not(.showcase) {
  content-visibility: auto;
  contain-intrinsic-size: 1px 1200px;
}

/* ---------- 22. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-headline .word > span,
  .hero-headline .char > span { transform: none; }
  .hero.is-ready .hero-sub,
  .hero.is-ready .hero-actions,
  .hero.is-ready .hero-meta { opacity: 1; transform: none; }
  .tilt-card,
  .tilt-inner { transform: none !important; }
  .cursor,
  .cursor-ring,
  .orb { display: none !important; }
  .grain { display: none !important; }
}

/* =============================================================
   ======  APPLE-GRADE MOTION LAYER (v2 extension)  =============
   ============================================================= */

/* ---------- 23. Film grain overlay ---------- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  opacity: 0.06;
  mix-blend-mode: multiply;
}
.grain svg { width: 100%; height: 100%; display: block; }

/* ---------- 24. Custom cursor ---------- */
@media (hover: hover) and (pointer: fine) {
  html, body, a, button, input, textarea, [data-tilt], [data-magnetic] { cursor: none; }
}
.cursor,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 10000;
  transform: translate3d(-100px, -100px, 0);
  mix-blend-mode: difference;
  display: none;
}
@media (hover: hover) and (pointer: fine) {
  .cursor, .cursor-ring { display: block; }
}
.cursor {
  width: 8px;
  height: 8px;
  background: #ffffff;
  border-radius: 50%;
  transition: width 300ms var(--ease-out-expo),
              height 300ms var(--ease-out-expo),
              background 200ms var(--ease-out-expo);
}
.cursor-ring {
  width: 40px;
  height: 40px;
  border: 1px solid #ffffff;
  border-radius: 50%;
  transition: width 400ms var(--ease-out-expo),
              height 400ms var(--ease-out-expo),
              border-color 300ms var(--ease-out-expo),
              opacity 300ms var(--ease-out-expo);
}
.cursor.is-hover {
  width: 0;
  height: 0;
}
.cursor-ring.is-hover {
  width: 72px;
  height: 72px;
  border-width: 1px;
}
.cursor.is-text {
  width: 2px;
  height: 28px;
  border-radius: 2px;
}
.cursor-ring.is-text {
  width: 0;
  height: 0;
  opacity: 0;
}

/* ---------- 25. Character split text reveal ---------- */
.split {
  display: inline-block;
}
.split .char {
  display: inline-block;
  overflow: hidden;
  vertical-align: baseline;
}
.split .char > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1200ms var(--ease-out-expo);
  transition-delay: calc(var(--char-i, 0) * 18ms);
  will-change: transform;
}
.split.is-in .char > span { transform: translateY(0); }

/* ---------- 26. 3D Tilt card ---------- */
.tilt-card {
  perspective: 1200px;
  transform-style: preserve-3d;
}
.tilt-inner {
  transform-style: preserve-3d;
  transform: rotateX(0deg) rotateY(0deg) scale(1);
  transition: transform 700ms var(--ease-out-expo);
  will-change: transform;
}
.tilt-card:hover .tilt-inner {
  transition: transform 100ms linear;
}
.tilt-layer-up {
  transform: translateZ(40px);
  transition: transform 700ms var(--ease-out-expo);
}
.tilt-card:hover .tilt-layer-up {
  transform: translateZ(60px);
}

.qa-card .qa-card__body {
  position: relative;
  z-index: 2;
}
.qa-card .qa-card__icon {
  transform: translateZ(20px);
}

/* ---------- 27. Horizontal pinned showcase ---------- */
.showcase {
  position: relative;
  background: var(--c-dark);
  color: var(--c-on-dark);
  /* NOTE: do NOT set overflow: hidden here — it silently establishes a
     scroll container for `position: sticky` descendants, which breaks
     the pin. Horizontal clipping is handled on .showcase-sticky. */
}
.showcase-wrap {
  position: relative;
  height: 500vh; /* determines how long the horizontal scroll lasts */
}
.showcase-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.showcase-head {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: calc(var(--nav-h) + 48px);
  padding-inline: clamp(24px, 5vw, 96px);
  pointer-events: none;
  z-index: 2;
}
.showcase-head .kicker { color: rgba(255,255,255,0.6); }
.showcase-head h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--c-on-dark);
  max-width: 16ch;
  margin-top: 16px;
}
.showcase-foot {
  position: absolute;
  bottom: 48px;
  left: clamp(24px, 5vw, 96px);
  right: clamp(24px, 5vw, 96px);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 2;
  pointer-events: none;
}
.showcase-progress {
  position: relative;
  flex: 1;
  max-width: 240px;
  height: 1px;
  background: rgba(255,255,255,0.18);
}
.showcase-progress__bar {
  position: absolute;
  inset: 0;
  width: 0;
  background: var(--c-accent);
  transform-origin: left;
}
.showcase-track {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-inline: clamp(24px, 5vw, 96px);
  will-change: transform;
}
.showcase-item {
  flex-shrink: 0;
  width: clamp(280px, 40vw, 560px);
  aspect-ratio: 3/4;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #1a1a1a;
}
.showcase-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 1200ms var(--ease-out-expo);
}
.showcase-item:hover img { transform: scale(1); }
.showcase-item__label {
  position: absolute;
  left: 24px;
  bottom: 24px;
  right: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  z-index: 2;
  color: var(--c-on-dark);
}
.showcase-item__label::before {
  content: "";
  position: absolute;
  left: -24px;
  right: -24px;
  bottom: -24px;
  top: -60px;
  background: linear-gradient(180deg, transparent, rgba(10,10,10,0.75));
  z-index: -1;
}
.showcase-item__no {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.65);
}
.showcase-item__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.005em;
}

/* ---------- 28. Scroll-linked hero scale + clip ---------- */
.hero-media {
  transform: scale(var(--hero-scale, 1));
  transform-origin: center center;
  transition: none;
  will-change: transform, clip-path;
}
.hero-media video,
.hero-media img {
  transform: scale(var(--hero-img-scale, 1.08));
  transition: none;
  will-change: transform;
}

/* ---------- 29. Gradient orb cursor-follower ---------- */
.orb {
  position: absolute;
  top: 0;
  left: 0;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(200, 90, 46, 0.38), rgba(200, 90, 46, 0) 60%);
  pointer-events: none;
  transform: translate3d(-50%, -50%, 0);
  filter: blur(40px);
  opacity: 0;
  transition: opacity 600ms var(--ease-out-expo);
  z-index: 1;
  mix-blend-mode: screen;
}
.has-orb { position: relative; overflow: hidden; }
.has-orb:hover .orb,
.has-orb.is-active .orb { opacity: 1; }

/* ---------- 30. Section label (floating above progress bar) ---------- */
.section-label {
  position: fixed;
  top: 18px;
  right: clamp(24px, 5vw, 96px);
  z-index: 99;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
  font-weight: 500;
  padding: 8px 16px;
  background: rgba(255,255,255,0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border: 1px solid var(--c-hairline);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 500ms var(--ease-out-expo),
              transform 500ms var(--ease-out-expo);
}
.section-label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--c-accent);
  border-radius: 50%;
}
.section-label.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 31. Image reveal mask (clip-path) ---------- */
.mask-reveal {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1400ms var(--ease-out-expo);
}
.mask-reveal.is-in {
  clip-path: inset(0 0 0 0);
}
.mask-reveal-up {
  clip-path: inset(100% 0 0 0);
  transition: clip-path 1400ms var(--ease-out-expo);
}
.mask-reveal-up.is-in {
  clip-path: inset(0 0 0 0);
}

/* ---------- 32. Animated underline heading (alt) ---------- */
.section-head__title .line {
  display: block;
  overflow: hidden;
}
.section-head__title .line > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1100ms var(--ease-out-expo);
  transition-delay: var(--line-d, 0ms);
}
.section-head__title.is-in .line > span { transform: translateY(0); }

/* ---------- 33. Parallax scroll layers ---------- */
[data-parallax] {
  will-change: transform;
  transform: translate3d(0, var(--parallax-y, 0), 0);
}

/* ---------- 34. Service row line-in on scroll ---------- */
.service-row {
  --row-fill: 0%;
}
.service-row::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: var(--row-fill);
  height: 1px;
  background: var(--c-accent);
  pointer-events: none;
  transition: width 900ms var(--ease-out-expo);
}
.service-row.is-in { --row-fill: 100%; }

/* ---------- 35. Marquee hover slowdown ---------- */
.marquee:hover { --marquee-duration: 80s; }
.marquee { transition: none; }
.marquee__track { transition: animation-duration 900ms var(--ease-out-expo); }

/* ---------- 36. Footer huge wordmark scroll-linked ---------- */
.footer-mark {
  transform: scale(var(--footer-scale, 1));
  transform-origin: left center;
  transition: none;
  will-change: transform;
}

/* ---------- 37. Button shine hover ---------- */
.btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  transform: translateX(-130%);
  transition: transform 900ms var(--ease-out-expo);
  z-index: -1;
}
.btn:hover::before {
  transform: translateX(130%);
}

/* ---------- 38. Hero headline char-split styling ---------- */
.hero-headline .char {
  display: inline-block;
  overflow: hidden;
  vertical-align: baseline;
}
.hero-headline .char > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1100ms var(--ease-out-expo);
  transition-delay: calc(var(--char-i, 0) * 22ms);
}
.hero.is-ready .hero-headline .char > span { transform: translateY(0); }

/* ---------- 39. Scroll stages (pinned about) ---------- */
.stage-pin {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
  align-self: start;
}

/* ---------- 40. Dark section auto-invert cursor ---------- */
.section--dark .cursor,
.features .cursor,
.showcase .cursor,
.footer .cursor,
.hero .cursor {
  background: #ffffff;
}
.section--dark .cursor-ring,
.features .cursor-ring,
.showcase .cursor-ring,
.footer .cursor-ring,
.hero .cursor-ring {
  border-color: #ffffff;
}

/* ================================================================
   41. DETAIL PAGE — page hero, breadcrumbs, detail grid, related
   Used by service-*.html and qa-*.html under /v2
   ================================================================ */
.page-hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 120px) 0 96px;
  background: var(--c-dark);
  color: var(--c-on-dark);
  overflow: hidden;
  isolation: isolate;
}
.page-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  transform: scale(1.06);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(10,10,10,0.35) 0%, rgba(10,10,10,0.88) 75%, #0a0a0a 100%);
}
.page-hero .container {
  position: relative;
  width: 100%;
}
.page-hero__kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 24px;
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6.2vw, 5.8rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 500;
  color: var(--c-on-dark);
  margin: 0 0 28px;
  max-width: 18ch;
}
.page-hero__lede {
  font-size: clamp(1rem, 1.35vw, 1.25rem);
  line-height: 1.55;
  color: rgba(255,255,255,0.72);
  max-width: 62ch;
  margin: 0 0 36px;
}
.breadcrumbs {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.breadcrumbs a {
  color: rgba(255,255,255,0.7);
  transition: color 240ms var(--ease-out-expo);
}
.breadcrumbs a:hover { color: var(--c-accent); }
.breadcrumbs span[aria-hidden] {
  color: rgba(255,255,255,0.28);
}
.breadcrumbs [aria-current] {
  color: var(--c-on-dark);
}

/* ---------- Detail layout ---------- */
.detail {
  padding: clamp(96px, 14vw, 180px) 0;
  background: var(--c-canvas);
}
.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(48px, 6vw, 120px);
  align-items: flex-start;
}
@media (max-width: 900px) {
  .detail-grid { grid-template-columns: 1fr; gap: 56px; }
}
.detail-aside {
  position: sticky;
  top: calc(var(--nav-h) + 40px);
}
.detail-aside__figure {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin: 0 0 28px;
  background: var(--c-canvas-alt);
}
.detail-aside__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1600ms var(--ease-out-expo);
}
.detail-aside__figure:hover img { transform: scale(1.06); }
.detail-aside h4 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.6vw, 1.6rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin: 0 0 12px;
}
.detail-aside p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--c-muted);
  margin: 0;
}
.detail-main h3 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 500;
  color: var(--c-ink);
  margin: 0 0 28px;
  max-width: 22ch;
}
.detail-main p {
  font-size: clamp(1rem, 1.18vw, 1.125rem);
  line-height: 1.72;
  color: var(--c-muted);
  margin: 0 0 24px;
  max-width: 68ch;
}
.detail-main ul {
  list-style: none;
  padding: 0;
  margin: 32px 0;
  display: grid;
  gap: 18px;
}
.detail-main ul li {
  position: relative;
  padding-left: 38px;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--c-muted);
}
.detail-main ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 22px;
  height: 1px;
  background: var(--c-accent);
}
.detail-main ul li strong {
  color: var(--c-ink);
  font-weight: 500;
}

/* ---------- Back strip / related CTA ---------- */
.detail-cta {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--c-dark);
  color: var(--c-on-dark);
  position: relative;
  overflow: hidden;
}
.detail-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(200,90,46,0.22), transparent 55%);
  pointer-events: none;
}
.detail-cta .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}
@media (max-width: 760px) {
  .detail-cta .container { grid-template-columns: 1fr; }
}
.detail-cta h3 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 500;
  color: var(--c-on-dark);
  margin: 0;
  max-width: 18ch;
}
.detail-cta p {
  color: rgba(255,255,255,0.62);
  margin: 12px 0 0;
  max-width: 48ch;
}

/* ---------- Related grid under detail ---------- */
.related {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--c-canvas-alt);
}
.related__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  gap: 32px;
  flex-wrap: wrap;
}
.related__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--c-ink);
  margin: 0;
}
.related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.related__card {
  position: relative;
  background: var(--c-canvas);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: block;
  transition: transform 600ms var(--ease-out-expo), box-shadow 600ms var(--ease-out-expo);
  border: 1px solid rgba(10,10,10,0.08);
}
.related__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(10,10,10,0.08);
}
.related__card__num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
}
.related__card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin: 14px 0 8px;
}
.related__card__desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--c-muted);
  margin: 0;
}

/* Detail pages body gets dark nav bg under hero */
body.detail-page { background: var(--c-canvas); }
body.detail-page .nav:not(.is-scrolled) {
  background: transparent;
  color: var(--c-on-dark);
}
body.detail-page .nav:not(.is-scrolled) .logo-mark,
body.detail-page .nav:not(.is-scrolled) .nav-list a {
  color: var(--c-on-dark);
}
body.detail-page .nav:not(.is-scrolled) .btn--ghost {
  color: var(--c-on-dark);
  border-color: rgba(255,255,255,0.35);
}
body.detail-page .nav:not(.is-scrolled) .btn--ghost:hover {
  background: rgba(255,255,255,0.08);
}
body.detail-page .nav:not(.is-scrolled) .nav-toggle {
  color: var(--c-on-dark);
}
body.detail-page .nav.is-scrolled {
  background: rgba(10,10,10,0.88);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  color: var(--c-on-dark);
}
body.detail-page .nav.is-scrolled .logo-mark,
body.detail-page .nav.is-scrolled .nav-list a {
  color: var(--c-on-dark);
}
body.detail-page .nav.is-scrolled .btn--ghost {
  color: var(--c-on-dark);
  border-color: rgba(255,255,255,0.4);
}