/* ============================================================
   GEBER LABS — precision studio
   Type: Geist + Geist Mono · Warm paper / ink / cobalt
   ============================================================ */

:root {
  /* Surfaces */
  --paper:      oklch(0.985 0.005 95);
  --paper-2:    oklch(0.962 0.007 95);
  --paper-3:    oklch(0.945 0.009 92);
  --ink:        oklch(0.205 0.012 75);
  --ink-2:      oklch(0.165 0.012 75);

  /* Text */
  --fg:         oklch(0.215 0.012 75);
  --fg-soft:    oklch(0.44 0.011 75);
  --fg-faint:   oklch(0.60 0.010 75);
  --on-ink:     oklch(0.96 0.005 95);
  --on-ink-soft:oklch(0.74 0.010 85);

  /* Accent — brand azure (from logo) */
  --accent:     oklch(0.56 0.15 242);
  --accent-2:   oklch(0.50 0.15 242);
  --accent-soft:oklch(0.56 0.15 242 / 0.10);

  /* Lines */
  --line:       oklch(0.21 0.012 75 / 0.14);
  --line-2:     oklch(0.21 0.012 75 / 0.08);
  --line-ink:   oklch(0.96 0.005 95 / 0.15);
  --line-ink-2: oklch(0.96 0.005 95 / 0.08);

  --maxw: 1320px;
  --pad: clamp(1.25rem, 4vw, 4rem);
  --radius: 4px;

  --sans: "Geist", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--fg);
  line-height: 1.5;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--paper); }

/* Skip link (visible on keyboard focus) */
.skip-link {
  position: fixed;
  top: 0; left: 50%;
  transform: translate(-50%, -120%);
  z-index: 200;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  padding: 0.7em 1.2em;
  border-radius: 0 0 var(--radius) var(--radius);
  transition: transform 0.25s var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); outline: none; }

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

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 1.6rem; height: 1px;
  background: var(--accent);
  display: inline-block;
}
.eyebrow.no-rule::before { display: none; }
section.dark .eyebrow { color: oklch(0.74 0.13 242); }
section.dark .eyebrow::before { background: oklch(0.74 0.13 242); }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.04; text-wrap: balance; }

.display {
  font-size: clamp(2.7rem, 7.4vw, 6.1rem);
  letter-spacing: -0.035em;
  line-height: 0.97;
}
.h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); letter-spacing: -0.03em; }
.lead {
  font-size: clamp(1.12rem, 1.7vw, 1.4rem);
  line-height: 1.45;
  color: var(--fg-soft);
  font-weight: 400;
  max-width: 36ch;
  text-wrap: pretty;
}

.section-pad { padding-block: clamp(4.5rem, 9vw, 9rem); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn:active { transform: translateY(1px); }
.btn .arr { transition: transform 0.4s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

.btn-primary { background: var(--accent); color: var(--paper); }
.btn-primary:hover { background: var(--accent-2); }

.btn-ghost { border-color: var(--line); color: var(--fg); }
.btn-ghost:hover { border-color: var(--fg); background: var(--fg); color: var(--paper); }

section.dark .btn-ghost { border-color: var(--line-ink); color: var(--on-ink); }
section.dark .btn-ghost:hover { background: var(--on-ink); color: var(--ink); border-color: var(--on-ink); }

.btn-lg { padding: 1.05em 1.8em; font-size: 1rem; }

.textlink {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  color: var(--fg);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 0.25s, color 0.25s;
}
.textlink .arr { transition: transform 0.35s var(--ease); }
.textlink:hover { border-color: var(--accent); color: var(--accent); }
.textlink:hover .arr { transform: translate(3px, -3px); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: oklch(0.985 0.005 95 / 0.82);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand .mark { width: 30px; height: 30px; flex-shrink: 0; }
.brand .wordmark {
  font-weight: 600;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
}
.brand .wordmark .labs { color: var(--fg-faint); font-weight: 500; }

.nav { display: flex; align-items: center; gap: 2.2rem; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  font-size: 0.94rem;
  color: var(--fg-soft);
  position: relative;
  transition: color 0.25s;
  letter-spacing: -0.01em;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -5px;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav-links a:hover { color: var(--fg); }
.nav-links a:hover::after { transform: scaleX(1); }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
}
.menu-toggle span {
  position: absolute; left: 50%; top: 50%;
  width: 18px; height: 1.5px; background: var(--fg);
  transform: translate(-50%, -50%);
  transition: transform 0.35s var(--ease), opacity 0.2s;
}
.menu-toggle span:nth-child(1) { transform: translate(-50%, -5px); }
.menu-toggle span:nth-child(3) { transform: translate(-50%, 5px); }
body.menu-open .menu-toggle span:nth-child(1) { transform: translate(-50%, -50%) rotate(45deg); }
body.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .menu-toggle span:nth-child(3) { transform: translate(-50%, -50%) rotate(-45deg); }

/* Mobile menu panel */
.mobile-menu {
  position: fixed;
  inset: 74px 0 0 0;
  background: var(--paper);
  z-index: 99;
  padding: var(--pad);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s var(--ease);
}
body.menu-open .mobile-menu { opacity: 1; transform: none; pointer-events: auto; }
.mobile-menu a {
  font-size: clamp(1.8rem, 9vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line-2);
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.mobile-menu a .idx { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); font-weight: 500; }
.mobile-menu .btn { margin-top: 1.5rem; justify-content: center; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding-top: clamp(8rem, 16vh, 12rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-2) 1px, transparent 1px);
  background-size: clamp(48px, 7vw, 88px) clamp(48px, 7vw, 88px);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 35%, black 30%, transparent 78%);
  pointer-events: none;
}
.hero-inner { position: relative; }
.hero h1 { margin: 1.6rem 0 0; max-width: 16ch; }
.hero h1 .accent { color: var(--accent); }
.hero h1 em {
  font-style: normal;
  font-family: var(--mono);
  font-weight: 400;
  letter-spacing: -0.04em;
}
.hero-lower {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  margin-top: clamp(2.4rem, 5vw, 3.6rem);
}
.hero-cta { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.hero-aside { display: flex; flex-direction: column; gap: 1.1rem; }
.hero-aside .lead { max-width: 40ch; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero-meta .cell {
  flex: 1 1 0;
  min-width: 150px;
  padding: 1.4rem 0;
  padding-right: 1.5rem;
  border-right: 1px solid var(--line);
}
.hero-meta .cell:first-child { padding-left: 0; }
.hero-meta .cell:last-child { border-right: none; padding-right: 0; }
.hero-meta .num { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 600; letter-spacing: -0.04em; }
.hero-meta .lbl { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-faint); margin-top: 0.35rem; }

/* Marquee */
.marquee {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 1.05rem 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
}
.marquee-track {
  display: inline-flex;
  gap: 3rem;
  white-space: nowrap;
  will-change: transform;
  animation: marquee 38s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--fg-soft);
  display: inline-flex; align-items: center; gap: 3rem;
}
.marquee-track span::after { content: "✦"; color: var(--accent); font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* ============================================================
   SECTION HEADER (shared)
   ============================================================ */
.sec-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.sec-head .h2 { max-width: 14ch; }
.sec-head .sec-intro { color: var(--fg-soft); max-width: 42ch; font-size: 1.06rem; padding-bottom: 0.3rem; }
section.dark .sec-head .sec-intro { color: var(--on-ink-soft); }

/* ============================================================
   SERVICES
   ============================================================ */
.services { border-top: 1px solid var(--line); }
.svc-list { border-top: 1px solid var(--line); }
.svc-row {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding: clamp(1.8rem, 3vw, 2.6rem) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background 0.4s var(--ease);
  cursor: pointer;
}
.svc-row::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: var(--accent);
  transform: scaleY(0); transform-origin: top;
  transition: transform 0.45s var(--ease);
}
.svc-row:hover { background: var(--paper-2); }
.svc-row:hover::before { transform: scaleY(1); }
.svc-row.open { background: var(--paper-2); }
.svc-row.open::before { transform: scaleY(1); }
.svc-num { font-family: var(--mono); font-size: 0.9rem; color: var(--fg-faint); padding-top: 0.45rem; transition: color 0.3s; }
.svc-row:hover .svc-num, .svc-row.open .svc-num { color: var(--accent); }

.svc-main { display: flex; flex-direction: column; }
.svc-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; }
.svc-title { font-size: clamp(1.5rem, 3vw, 2.3rem); font-weight: 600; letter-spacing: -0.03em; }
.svc-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.9rem; }
.svc-tag {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.02em;
  color: var(--fg-soft);
  border: 1px solid var(--line); border-radius: 100px;
  padding: 0.3em 0.85em;
}
.svc-toggle {
  flex-shrink: 0; width: 40px; height: 40px;
  border: 1px solid var(--line); border-radius: 50%;
  display: grid; place-items: center;
  transition: background 0.3s, border-color 0.3s, transform 0.4s var(--ease);
}
.svc-row:hover .svc-toggle { border-color: var(--accent); }
.svc-toggle svg { width: 15px; height: 15px; transition: transform 0.4s var(--ease); }
.svc-row.open .svc-toggle { background: var(--accent); border-color: var(--accent); }
.svc-row.open .svc-toggle svg { transform: rotate(45deg); }
.svc-row.open .svc-toggle svg path { stroke: var(--paper); }

.svc-detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.5s var(--ease);
}
.svc-detail-inner { overflow: hidden; }
.svc-row.open .svc-detail { grid-template-rows: 1fr; }
.svc-detail-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-top: 1.6rem;
}
.svc-desc { color: var(--fg-soft); font-size: 1.06rem; line-height: 1.55; max-width: 44ch; text-wrap: pretty; }
.svc-deliver { display: flex; flex-direction: column; gap: 0.1rem; }
.svc-deliver .dh { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-faint); margin-bottom: 0.7rem; }
.svc-deliver li {
  list-style: none;
  display: flex; align-items: baseline; gap: 0.7rem;
  padding: 0.5rem 0;
  border-top: 1px solid var(--line-2);
  font-size: 0.98rem;
}
.svc-deliver li::before { content: "→"; color: var(--accent); font-family: var(--mono); font-size: 0.85rem; }

/* ============================================================
   PROCESS
   ============================================================ */
.process { background: var(--paper-2); border-top: 1px solid var(--line); }
.proc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.proc-step {
  padding: 2rem 1.6rem 2.4rem 0;
  border-right: 1px solid var(--line);
}
.proc-step:last-child { border-right: none; padding-right: 0; }
.proc-step:first-child { padding-left: 0; }
.proc-step:not(:first-child) { padding-left: 1.6rem; }
.proc-step .pnum {
  font-family: var(--mono); font-size: 0.78rem; color: var(--accent);
  letter-spacing: 0.1em;
}
.proc-step .pdot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin: 1.4rem 0; }
.proc-step h3 { font-size: 1.4rem; margin-bottom: 0.7rem; }
.proc-step p { color: var(--fg-soft); font-size: 0.98rem; line-height: 1.5; max-width: 26ch; text-wrap: pretty; }

/* ============================================================
   WORK
   ============================================================ */
.work { border-top: 1px solid var(--line); }
.work-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.work-card {
  display: block;
  grid-column: span 2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.3s;
}
.work-card.feat { grid-column: span 3; }
.work-card:hover { transform: translateY(-5px); border-color: var(--fg-faint); box-shadow: 0 24px 50px -28px oklch(0.21 0.012 75 / 0.4); }
.work-thumb {
  aspect-ratio: 4 / 3;
  position: relative;
  background:
    repeating-linear-gradient(135deg, var(--paper-2) 0 14px, var(--paper-3) 14px 28px);
  display: grid; place-items: center;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.work-card.feat .work-thumb { aspect-ratio: 16 / 9; }
.work-thumb .ph-label {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em;
  color: var(--fg-faint);
  background: var(--paper); padding: 0.45em 0.9em;
  border: 1px solid var(--line); border-radius: 100px;
}
.work-meta { padding: 1.3rem 1.4rem 1.5rem; }
.work-meta .wtags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.9rem; }
.work-meta .wtag { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.04em; color: var(--accent); }
.work-meta h3 { font-size: 1.45rem; margin-bottom: 0.4rem; display: flex; align-items: center; gap: 0.5rem; }
.work-meta h3 .work-ext { color: var(--accent); font-weight: 500; transition: transform 0.35s var(--ease); display: inline-block; }
.work-card:hover .work-meta h3 .work-ext { transform: translate(3px, -3px); }
.work-meta p { color: var(--fg-soft); font-size: 0.98rem; max-width: 44ch; text-wrap: pretty; }
.work-link {
  margin-top: 1.2rem;
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.05em;
  color: var(--accent);
  white-space: nowrap;
}
.work-link .arr { transition: transform 0.35s var(--ease); }
.work-card:hover .work-link .arr { transform: translate(3px, -3px); }
/* work thumbnail images */
.work-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.work-note {
  margin-top: 2.5rem;
  font-family: var(--mono); font-size: 0.8rem; color: var(--fg-faint);
  display: flex; align-items: center; gap: 0.6rem;
  letter-spacing: 0.02em;
}
.work-note::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

/* ============================================================
   TRAINING (split feature)
   ============================================================ */
.training { border-top: 1px solid var(--line); background: var(--paper-2); }
.train-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.train-copy .h2 { margin: 1.4rem 0; max-width: 16ch; }
.train-copy .lead { max-width: 42ch; margin-bottom: 2rem; }
.train-modes { display: flex; flex-direction: column; gap: 0; margin-bottom: 2rem; border-top: 1px solid var(--line); }
.train-mode { display: flex; gap: 1.2rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.train-mode .tm-k { font-family: var(--mono); font-size: 0.74rem; color: var(--accent); letter-spacing: 0.06em; flex-shrink: 0; width: 3rem; }
.train-mode .tm-b strong { font-weight: 600; font-size: 1.08rem; display: block; margin-bottom: 0.2rem; }
.train-mode .tm-b span { color: var(--fg-soft); font-size: 0.96rem; }

.train-card {
  background: var(--ink);
  color: var(--on-ink);
  border-radius: 8px;
  padding: clamp(1.8rem, 3vw, 2.6rem);
  position: relative;
  overflow: hidden;
}
.train-card .tc-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-ink-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-ink-2) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 80% 0%, black, transparent 75%);
}
.train-card .tc-inner { position: relative; }
.train-card .tc-k { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: oklch(0.74 0.13 242); }
.train-card h3 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 1rem 0 1.4rem; }
.train-card .tc-list { display: flex; flex-direction: column; gap: 0; }
.train-card .tc-list li {
  list-style: none; display: flex; gap: 0.8rem; align-items: baseline;
  padding: 0.75rem 0; border-top: 1px solid var(--line-ink-2);
  color: var(--on-ink-soft); font-size: 0.98rem;
}
.train-card .tc-list li::before { content: "→"; font-family: var(--mono); color: oklch(0.74 0.13 242); }
.train-card .tc-cta { margin-top: 1.8rem; }

/* ============================================================
   ABOUT / MANIFESTO (dark)
   ============================================================ */
.about { background: var(--ink); color: var(--on-ink); position: relative; overflow: hidden; }
.about .about-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-ink-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-ink-2) 1px, transparent 1px);
  background-size: clamp(56px, 7vw, 96px) clamp(56px, 7vw, 96px);
  mask-image: radial-gradient(ellipse 70% 60% at 30% 30%, black, transparent 75%);
}
.about-inner { position: relative; }
.about-statement {
  font-size: clamp(1.7rem, 3.6vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.18;
  max-width: 22ch;
  margin: 1.8rem 0 0;
  text-wrap: balance;
}
.about-statement .accent { color: oklch(0.72 0.14 242); }
.about-statement .mono { font-family: var(--mono); font-weight: 400; letter-spacing: -0.04em; }
.about-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  border-top: 1px solid var(--line-ink);
  padding-top: 2.4rem;
}
.about-col h4 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.7rem; }
.about-col p { color: var(--on-ink-soft); font-size: 0.98rem; line-height: 1.55; text-wrap: pretty; }
.about-col .ac-k { font-family: var(--mono); font-size: 0.72rem; color: oklch(0.72 0.12 242); letter-spacing: 0.1em; display: block; margin-bottom: 1rem; }

/* ============================================================
   CONTACT (dark continues -> distinct)
   ============================================================ */
.contact { background: var(--ink-2); color: var(--on-ink); border-top: 1px solid var(--line-ink); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
}
.contact-left .display { color: var(--on-ink); margin: 1.4rem 0; max-width: 12ch; }
.contact-left .display .accent { color: oklch(0.72 0.14 242); }
.contact-channels { display: flex; flex-direction: column; gap: 0; margin-top: 2.5rem; border-top: 1px solid var(--line-ink); }
.contact-channel {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.1rem 0; border-bottom: 1px solid var(--line-ink);
}
.contact-channel .cc-k { font-family: var(--mono); font-size: 0.74rem; color: var(--on-ink-soft); letter-spacing: 0.1em; text-transform: uppercase; }
.contact-channel .cc-v { font-size: 1.05rem; display: inline-flex; align-items: center; gap: 0.5rem; transition: color 0.25s; }
.contact-channel:hover .cc-v { color: oklch(0.72 0.14 242); }

/* Form */
.form { display: flex; flex-direction: column; gap: 1.3rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
.field { display: flex; flex-direction: column; gap: 0.55rem; position: relative; }
.field label { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-ink-soft); }
.field input, .field textarea, .field select {
  font-family: inherit; font-size: 1rem; color: var(--on-ink);
  background: oklch(0.96 0.005 95 / 0.04);
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  padding: 0.85em 1em;
  transition: border-color 0.25s, background 0.25s;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder, .field textarea::placeholder { color: oklch(0.6 0.01 85); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: oklch(0.72 0.14 242);
  background: oklch(0.96 0.005 95 / 0.07);
}
.field.invalid input, .field.invalid textarea { border-color: oklch(0.62 0.19 25); }
.field .err { font-family: var(--mono); font-size: 0.7rem; color: oklch(0.72 0.17 25); letter-spacing: 0.04em; height: 0; overflow: hidden; transition: height 0.2s; }
.field.invalid .err { height: 1rem; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%23999' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1em center; padding-right: 2.5em; }
.form .btn-primary { justify-content: center; margin-top: 0.4rem; }
.form-success {
  display: none;
  padding: 2rem; border: 1px solid oklch(0.72 0.14 242 / 0.4);
  border-radius: var(--radius); background: oklch(0.56 0.15 242 / 0.08);
  text-align: center;
}
.form-success.show { display: block; }
.form-success .fs-k { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: oklch(0.72 0.14 242); }
.form-success h3 { margin: 0.7rem 0 0.4rem; font-size: 1.4rem; }
.form-success p { color: var(--on-ink-soft); font-size: 0.96rem; }
.form-success p a { color: oklch(0.72 0.14 242); border-bottom: 1px solid oklch(0.72 0.14 242 / 0.4); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--ink-2); color: var(--on-ink); padding-bottom: 2.5rem; }
.footer-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 2rem; flex-wrap: wrap;
  padding: clamp(3rem, 6vw, 5rem) 0 3rem;
  border-top: 1px solid var(--line-ink);
}
.footer-brand { display: flex; flex-direction: column; gap: 1rem; max-width: 30ch; }
.footer-brand .brand .wordmark { color: var(--on-ink); }
.footer-brand .brand .labs { color: var(--on-ink-soft); }
.footer-brand p { color: var(--on-ink-soft); font-size: 0.96rem; line-height: 1.5; }
.footer-nav { display: flex; gap: clamp(2.5rem, 6vw, 5rem); flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 0.9rem; }
.footer-col .fc-h { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-ink-soft); margin-bottom: 0.3rem; }
.footer-col a { font-size: 0.96rem; color: oklch(0.86 0.008 85); transition: color 0.25s; }
.footer-col a:hover { color: oklch(0.72 0.14 242); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
  padding-top: 2rem; border-top: 1px solid var(--line-ink);
}
.footer-bottom p, .footer-bottom a { font-family: var(--mono); font-size: 0.74rem; color: var(--on-ink-soft); letter-spacing: 0.04em; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 5vw, 4rem); }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1.5rem 0;
  font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 500; letter-spacing: -0.02em;
  transition: color 0.25s;
}
.faq-q:hover { color: var(--accent); }
.faq-q .fq-icon { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.faq-q .fq-icon::before, .faq-q .fq-icon::after {
  content: ""; position: absolute; background: var(--accent); border-radius: 2px;
  top: 50%; left: 50%;
}
.faq-q .fq-icon::before { width: 14px; height: 2px; transform: translate(-50%, -50%); }
.faq-q .fq-icon::after { width: 2px; height: 14px; transform: translate(-50%, -50%); transition: transform 0.4s var(--ease); }
.faq-item.open .fq-icon::after { transform: translate(-50%, -50%) scaleY(0); }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.45s var(--ease); }
.faq-a-inner { overflow: hidden; }
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a p { color: var(--fg-soft); font-size: 1.02rem; line-height: 1.6; max-width: 52ch; padding-bottom: 1.6rem; text-wrap: pretty; }

/* ============================================================
   REVEAL ANIMATION  (keyframe-based — never wedges like a
   mid-frame transition; hidden state gated behind html.js so
   content is always visible without JS)
   ============================================================ */
@keyframes revealIn {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}
.reveal { opacity: 1; }
html.js .reveal { opacity: 0; transform: translateY(22px); }
html.js .reveal.in {
  animation-name: revealIn;
  animation-duration: 0.8s;
  animation-timing-function: var(--ease);
  animation-fill-mode: both;
}
.reveal-d1 { animation-delay: 0.08s; }
.reveal-d2 { animation-delay: 0.16s; }
.reveal-d3 { animation-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; }
  html.js .reveal.in { animation: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .hero-lower { grid-template-columns: 1fr; gap: 2.2rem; }
  .train-grid { grid-template-columns: 1fr; }
  .train-card { order: -1; }
  .work-grid { grid-template-columns: 1fr 1fr; }
  .work-card, .work-card.feat { grid-column: auto; }
  .work-card .work-thumb, .work-card.feat .work-thumb { aspect-ratio: 16 / 10; }
}

@media (max-width: 900px) {
  body { font-size: 16px; }
  .nav-links, .nav .btn { display: none; }
  .menu-toggle { display: block; }
  .sec-head { grid-template-columns: 1fr; gap: 1.2rem; }
  .proc-grid { grid-template-columns: 1fr 1fr; }
  .proc-step { padding: 1.6rem 1.4rem 1.8rem !important; border-bottom: 1px solid var(--line); }
  .proc-step:nth-child(odd) { padding-left: 0 !important; }
  .proc-step:nth-child(even) { border-right: none; padding-right: 0 !important; }
  .work-grid { grid-template-columns: 1fr; }
  .work-card, .work-card.feat { grid-column: auto; }
  .about-cols { grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .svc-detail-grid { grid-template-columns: 1fr; }
  .svc-top { flex-direction: row; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: clamp(2.5rem, 12vw, 3.4rem); }
  .hero-meta .cell { flex: 1 1 45%; border-right: none; padding-right: 0; border-bottom: 1px solid var(--line); }
  .hero-meta .cell:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 1.2rem; }
  .proc-grid { grid-template-columns: 1fr; }
  .proc-step { border-right: none; }
  .form-row { grid-template-columns: 1fr; }
  .svc-row { grid-template-columns: 2.4rem 1fr; gap: 1rem; }
  .svc-tags { display: none; }
  .footer-top { flex-direction: column; }
}