/* ==========================================================================
   Gotech Power — design tokens & stylesheet
   Warm paper / ink / forge accent. Sharp geometry, hairline rules, editorial type.
   ========================================================================== */

/* ---------- Fonts (self-hosted, latin subset, variable) ---------- */
@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --paper: #f3f0e8;
  --paper-2: #faf8f2;
  --paper-3: #eae6db;
  --ink: #15170f;
  --ink-2: #3c4033;
  --ink-3: #6c7060;
  --line: rgba(21, 23, 15, 0.14);
  --line-2: rgba(21, 23, 15, 0.3);
  --accent: #b0451c;
  --accent-2: #8b3312;
  --accent-soft: rgba(176, 69, 28, 0.1);
  --ink-bg: #141610;
  --ink-bg-2: #0e100b;
  --paper-on-ink: #f3f0e8;
  --ink-on-ink-2: rgba(243, 240, 232, 0.66);
  --line-on-ink: rgba(243, 240, 232, 0.16);
  --accent-on-ink: #ec8a5c;

  --font-sans: "Instrument Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 40px);
  --nav-h: 76px;

  --r: 2px;
  --r-lg: 4px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.28s;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --section-y: clamp(72px, 9vw, 128px);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01" on;
  overflow-x: clip;
}

body.nav-open { overflow: hidden; }

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

a { color: inherit; text-decoration-color: var(--line-2); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }

h1, h2, h3, h4, p, figure, blockquote, ol, ul, dl, dd { margin: 0; }
ol, ul { padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--ink-3);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--accent);
  flex: none;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transform: translateY(-200%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border: 1px solid var(--btn-bg);
  border-radius: var(--r);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn .btn-arrow { transition: transform var(--dur) var(--ease); }
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:hover .btn-arrow { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.btn--sm { min-height: 44px; padding: 0 18px; font-size: 14px; }

.btn--accent { --btn-bg: var(--accent); --btn-fg: #fff; border-color: var(--accent); }
.btn--accent:hover { background: var(--accent-2); border-color: var(--accent-2); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--paper) 96%, transparent);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  min-height: var(--nav-h);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex: none;
}
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-word {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--ink);
}
.brand-word .accent { color: var(--accent); }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 32px);
  margin-left: auto;
}
.nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  padding: 6px 0;
  position: relative;
  transition: color var(--dur) var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after { transform: scaleX(1); }

.header-cta { flex: none; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 4px;
  border: 0;
  background: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  margin-left: auto;
}
.nav-toggle-bars { display: inline-flex; flex-direction: column; gap: 4px; width: 18px; }
.nav-toggle-bars i { height: 1.5px; background: currentColor; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mobile-nav {
  border-top: 1px solid var(--line);
  background: var(--paper);
  padding: 8px 0 28px;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav .container { display: grid; gap: 0; }
.mobile-nav a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.mobile-nav a span { font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.16em; color: var(--ink-3); }
.mobile-nav .btn { margin-top: 20px; width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(48px, 6vw, 88px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 25% 100%, 100% 120px;
  opacity: 0.35;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.55), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.55), transparent 78%);
}
.hero .container { position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
  gap: clamp(36px, 5vw, 76px);
  align-items: end;
}
.hero-copy .eyebrow { margin-bottom: clamp(20px, 2.6vw, 30px); }
.hero h1 {
  font-size: clamp(2.9rem, 6.1vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: -0.045em;
  font-weight: 600;
  margin-bottom: clamp(22px, 2.6vw, 32px);
  text-wrap: balance;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-lede {
  max-width: 47ch;
  font-size: clamp(1.02rem, 1.25vw, 1.16rem);
  line-height: 1.62;
  color: var(--ink-2);
  margin-bottom: clamp(28px, 3.4vw, 40px);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Engagement pipeline panel */
.hero-panel {
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  padding: 18px 18px 0;
  min-width: 0;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.panel-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-2);
}
.panel-status i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #3e7d4f;
  box-shadow: 0 0 0 3px rgba(62, 125, 79, 0.16);
}
.pipeline { padding: 4px 0 8px; }
.pipeline li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.pipeline li:last-child { border-bottom: 0; }
.pipeline .p-num { font-family: var(--font-mono); font-size: 10px; color: var(--accent); letter-spacing: 0.08em; }
.pipeline .p-title { font-size: 14.5px; font-weight: 600; letter-spacing: -0.01em; }
.pipeline .p-meta { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--ink-3); white-space: nowrap; }
.panel-foot {
  border-top: 1px solid var(--line);
  padding: 12px 0 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

/* Hero facts strip */
.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(44px, 5.6vw, 76px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero-facts > div {
  padding: 18px 22px 20px 0;
  border-right: 1px solid var(--line);
}
.hero-facts > div:last-child { border-right: 0; }
.hero-facts .mono { display: block; margin-bottom: 8px; }
.hero-facts strong { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.hero-facts p { font-size: 13.5px; color: var(--ink-3); margin-top: 4px; line-height: 1.5; }

/* ---------- Stack marquee ---------- */
.marquee {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  background: var(--paper);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 40px;
  width: max-content;
  animation: marquee 46s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 40px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}
.marquee-item::after {
  content: "";
  width: 4px; height: 4px;
  background: var(--accent);
  flex: none;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Sections ---------- */
.section { padding: var(--section-y) 0; }
.section--tight { padding: clamp(56px, 7vw, 96px) 0; }
.section--line { border-top: 1px solid var(--line); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
  margin-bottom: clamp(36px, 4.6vw, 64px);
}
.section-head h2 {
  font-size: clamp(2rem, 3.9vw, 3.35rem);
  line-height: 1.03;
  letter-spacing: -0.035em;
  font-weight: 600;
  text-wrap: balance;
}
.section-head .lede {
  max-width: 52ch;
  font-size: 16.5px;
  color: var(--ink-2);
  line-height: 1.62;
}
.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.section-label b { color: var(--accent); font-weight: 500; }

/* ---------- Services grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.service {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(24px, 2.6vw, 34px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background var(--dur) var(--ease);
}
.service:hover { background: var(--paper-2); }
.service-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.service-icon { width: 30px; height: 30px; color: var(--ink); }
.service-icon svg { width: 30px; height: 30px; }
.service-num { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; color: var(--ink-3); }
.service h3 {
  font-size: clamp(1.15rem, 1.5vw, 1.32rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.service p { font-size: 14.5px; color: var(--ink-2); line-height: 1.6; }
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
}
.service-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  border: 1px solid var(--line);
  padding: 3px 7px;
  white-space: nowrap;
}

/* ---------- Work list ---------- */
.work-list { border-top: 1px solid var(--line); }
.work-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 180px;
  gap: clamp(16px, 2.6vw, 40px);
  align-items: start;
  padding: clamp(26px, 3.2vw, 40px) 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}
.work-index { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); padding-top: 8px; letter-spacing: 0.08em; }
.work-body h3 {
  font-size: clamp(1.45rem, 2.5vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 8px;
  transition: color var(--dur) var(--ease);
}
.work-body p { font-size: 14.5px; color: var(--ink-2); max-width: 62ch; line-height: 1.6; }
.work-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.work-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  border: 1px solid var(--line);
  padding: 3px 7px;
}
.work-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  padding-top: 6px;
  text-align: right;
}
.work-side .mono { font-size: 10px; }
.work-arrow {
  width: 34px; height: 34px;
  border: 1px solid var(--line-2);
  display: grid;
  place-items: center;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.work-item:hover .work-arrow { background: var(--ink); color: var(--paper); border-color: var(--ink); transform: translateX(4px); }
.work-item:hover .work-body h3 { color: var(--accent); }

/* ---------- Process ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.step { padding: 26px 22px 26px 0; border-right: 1px solid var(--line); }
.step:last-child { border-right: 0; }
.step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 26px;
}
.step h3 { font-size: 19px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 10px; }
.step p { font-size: 14px; color: var(--ink-2); line-height: 1.6; margin-bottom: 16px; }
.step .mono { font-size: 10px; color: var(--ink-3); }

/* ---------- Principles (sticky split) ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.split-intro { position: sticky; top: calc(var(--nav-h) + 32px); }
.split-intro h2 {
  font-size: clamp(2rem, 3.6vw, 3.1rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 600;
  margin-bottom: 20px;
  text-wrap: balance;
}
.split-intro p { color: var(--ink-2); font-size: 15.5px; max-width: 42ch; margin-bottom: 24px; }
.principles { border-top: 1px solid var(--line-2); }
.principle {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.principle-num { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-3); padding-top: 5px; }
.principle h3 { font-size: 18.5px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 6px; }
.principle p { font-size: 14.5px; color: var(--ink-2); line-height: 1.62; max-width: 60ch; }

/* ---------- CTA band ---------- */
.cta {
  position: relative;
  background: var(--ink-bg);
  color: var(--paper-on-ink);
  padding: clamp(64px, 8.5vw, 118px) 0;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-on-ink) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-on-ink) 1px, transparent 1px);
  background-size: 25% 100%, 100% 90px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 80% 90% at 50% 50%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 50%, #000 20%, transparent 75%);
  pointer-events: none;
}
.cta .container { position: relative; }
.cta-inner { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr); gap: clamp(32px, 5vw, 72px); align-items: end; }
.cta .mono { color: var(--ink-on-ink-2); margin-bottom: 20px; }
.cta h2 {
  font-size: clamp(2.2rem, 4.6vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 600;
  text-wrap: balance;
}
.cta h2 em { font-style: normal; color: var(--accent-on-ink); }
.cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.cta .btn { min-height: 54px; padding: 0 28px; }
.cta .btn--light { --btn-bg: var(--paper); --btn-fg: var(--ink); border-color: var(--paper); }
.cta .btn--light:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.cta-email { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em; color: var(--paper-on-ink); text-decoration: none; border-bottom: 1px solid var(--line-on-ink); padding-bottom: 3px; }
.cta-email:hover { color: var(--accent-on-ink); border-color: var(--accent-on-ink); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink-bg-2);
  color: var(--paper-on-ink);
  padding: clamp(48px, 6vw, 80px) 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 0.8fr));
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--line-on-ink);
}
.footer-brand .brand-word { color: var(--paper-on-ink); }
.footer-brand .brand-word .accent { color: var(--accent-on-ink); }
.footer-tag { margin-top: 18px; font-size: 14px; color: var(--ink-on-ink-2); max-width: 30ch; line-height: 1.6; }
.footer-col h3 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-on-ink-2);
  margin-bottom: 16px;
}
.footer-col ul { display: grid; gap: 9px; }
.footer-col a {
  font-size: 14px;
  color: var(--paper-on-ink);
  text-decoration: none;
  opacity: 0.86;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}
.footer-col a:hover { opacity: 1; color: var(--accent-on-ink); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: rgba(243, 240, 232, 0.5);
  text-transform: uppercase;
}
.footer-bottom a { color: inherit; text-decoration: none; }
.footer-bottom a:hover { color: var(--paper-on-ink); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding: clamp(52px, 6.4vw, 96px) 0 clamp(36px, 4.4vw, 60px);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.page-hero .eyebrow { margin-bottom: 22px; }
.page-hero h1 {
  font-size: clamp(2.5rem, 5.1vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 600;
  max-width: 20ch;
  margin-bottom: 22px;
  text-wrap: balance;
}
.page-hero .lede {
  max-width: 58ch;
  font-size: clamp(1rem, 1.25vw, 1.14rem);
  color: var(--ink-2);
  line-height: 1.65;
}
.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.page-hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.page-hero-meta i { width: 4px; height: 4px; background: var(--accent); }

/* ---------- Services detail (services page) ---------- */
.detail {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 48px);
  padding: clamp(30px, 3.6vw, 48px) 0;
  border-top: 1px solid var(--line);
}
.detail:last-child { border-bottom: 1px solid var(--line); }
.detail-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--accent); padding-top: 6px; }
.detail h2 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); font-weight: 600; letter-spacing: -0.025em; line-height: 1.15; margin-bottom: 12px; }
.detail p { font-size: 14.5px; color: var(--ink-2); line-height: 1.65; }
.detail ul { display: grid; gap: 7px; margin-top: 4px; }
.detail li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.55;
}
.detail li::before { content: ""; position: absolute; left: 0; top: 8px; width: 7px; height: 1px; background: var(--accent); }

.engagement-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.engagement { background: var(--paper); padding: clamp(24px, 2.6vw, 34px); display: flex; flex-direction: column; gap: 12px; }
.engagement .mono { color: var(--accent); }
.engagement h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }
.engagement p { font-size: 14px; color: var(--ink-2); line-height: 1.6; }
.engagement dl { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); display: grid; gap: 6px; }
.engagement dt { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.engagement dd { font-size: 13.5px; color: var(--ink-2); }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
  color: var(--accent);
  transition: transform var(--dur) var(--ease);
  flex: none;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq-a { padding: 0 0 22px; max-width: 68ch; font-size: 14.5px; color: var(--ink-2); line-height: 1.65; }

/* ---------- Case studies (work page) ---------- */
.case {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(24px, 4vw, 64px);
  padding: clamp(34px, 4.4vw, 56px) 0;
  border-top: 1px solid var(--line);
}
.case:last-of-type { border-bottom: 1px solid var(--line); }
.case-dossier {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  align-content: start;
}
.case-dossier div { border-top: 1px solid var(--line); padding-top: 10px; }
.case-dossier dt { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 5px; }
.case-dossier dd { font-size: 13.5px; color: var(--ink-2); line-height: 1.45; }
.case-body h2 { font-size: clamp(1.5rem, 2.3vw, 1.95rem); font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 14px; }
.case-body p { font-size: 14.5px; color: var(--ink-2); line-height: 1.65; margin-bottom: 12px; max-width: 62ch; }
.case-body .case-result {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--paper-2);
  border-left: 2px solid var(--accent);
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.6;
}
.case-body .case-result b { color: var(--ink); font-weight: 600; }

/* ---------- About page ---------- */
.about-story { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 80px); }
.about-story .prose p { font-size: clamp(1rem, 1.3vw, 1.12rem); color: var(--ink-2); line-height: 1.7; margin-bottom: 18px; }
.about-story .prose p:first-child { color: var(--ink); font-size: clamp(1.15rem, 1.6vw, 1.35rem); line-height: 1.55; letter-spacing: -0.015em; }
.fact-list { border-top: 1px solid var(--line-2); align-self: start; }
.fact-list div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.fact-list dt { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); padding-top: 4px; }
.fact-list dd { font-size: 14.5px; color: var(--ink-2); line-height: 1.5; }

.values { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.value { padding: clamp(24px, 2.8vw, 36px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value .mono { color: var(--accent); margin-bottom: 22px; display: block; }
.value h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 10px; }
.value p { font-size: 14px; color: var(--ink-2); line-height: 1.62; }

.team-roles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.role { background: var(--paper); padding: 26px 24px; }
.role .mono { display: block; margin-bottom: 12px; }
.role h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.015em; margin-bottom: 8px; }
.role p { font-size: 13.5px; color: var(--ink-2); line-height: 1.55; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.contact-form { display: grid; gap: 20px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: grid; gap: 7px; }
.field label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--paper-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px var(--accent-soft); }
.field input::placeholder,
.field textarea::placeholder { color: var(--ink-3); }
.form-note { font-size: 12.5px; color: var(--ink-3); line-height: 1.5; }
.form-status { font-size: 13.5px; color: var(--accent-2); min-height: 20px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.contact-aside { border-top: 1px solid var(--line-2); }
.contact-block { padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-block .mono { display: block; margin-bottom: 8px; }
.contact-block a { font-size: clamp(1.05rem, 1.4vw, 1.18rem); font-weight: 600; letter-spacing: -0.015em; text-decoration: none; border-bottom: 1px solid var(--line-2); padding-bottom: 2px; }
.contact-block a:hover { color: var(--accent); border-color: var(--accent); }
.contact-block p { font-size: 14.5px; color: var(--ink-2); line-height: 1.6; }
.contact-block .small { font-size: 13px; color: var(--ink-3); margin-top: 4px; }

/* ---------- Legal / simple prose ---------- */
.prose-page { max-width: 760px; }
.prose-page h2 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin: 34px 0 10px; }
.prose-page p, .prose-page li { font-size: 15px; color: var(--ink-2); line-height: 1.7; margin-bottom: 12px; }
.prose-page ul { list-style: disc; padding-left: 20px; }
.prose-page a { color: var(--accent-2); }

/* ---------- 404 ---------- */
.error-page { min-height: clamp(420px, 58vh, 620px); display: grid; place-items: center; text-align: center; padding: 80px 0; }
.error-page .code { font-family: var(--font-mono); font-size: clamp(4rem, 12vw, 8rem); letter-spacing: -0.04em; color: var(--line-2); line-height: 1; margin-bottom: 8px; }
.error-page h1 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: -0.03em; margin-bottom: 14px; }
.error-page p { color: var(--ink-2); max-width: 44ch; margin: 0 auto 28px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr); }
  .work-item { grid-template-columns: 44px minmax(0, 1fr); }
  .work-side { display: none; }
  .footer-grid { grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.8fr)); }
}

@media (max-width: 900px) {
  .nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }

  .hero-grid { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .hero-panel { max-width: 520px; }
  .hero-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-facts > div:nth-child(2n) { border-right: 0; }
  .hero-facts > div { border-bottom: 1px solid var(--line); }
  .hero-facts > div:nth-child(n + 3) { border-bottom: 0; }

  .section-head { grid-template-columns: minmax(0, 1fr); align-items: start; gap: 18px; }
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step { border-bottom: 1px solid var(--line); }
  .step:nth-child(2n) { border-right: 0; }
  .step:nth-child(n + 3) { border-bottom: 0; }

  .split { grid-template-columns: minmax(0, 1fr); }
  .split-intro { position: static; }

  .cta-inner { grid-template-columns: minmax(0, 1fr); align-items: start; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }

  .detail { grid-template-columns: 60px minmax(0, 1fr); }
  .detail ul { grid-column: 2; }

  .engagement-grid { grid-template-columns: minmax(0, 1fr); }

  .case { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .case-dossier { order: 2; }

  .about-story { grid-template-columns: minmax(0, 1fr); }
  .values { grid-template-columns: minmax(0, 1fr); }
  .team-roles { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .contact-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero h1 { font-size: clamp(2.55rem, 12vw, 3.4rem); }
  .hero-panel { padding: 14px 14px 0; }
  .hero-facts strong { font-size: 14px; }
  .hero-facts p { font-size: 12.5px; }
  .services-grid { grid-template-columns: minmax(0, 1fr); }
  .service { min-height: 0; }
  .process { grid-template-columns: minmax(0, 1fr); }
  .step { border-right: 0; border-bottom: 1px solid var(--line); padding: 22px 0; }
  .step:last-child { border-bottom: 0; }
  .step-num { margin-bottom: 14px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .form-row { grid-template-columns: minmax(0, 1fr); }
  .team-roles { grid-template-columns: minmax(0, 1fr); }
  .detail { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .detail ul { grid-column: auto; }
  .case-dossier { grid-template-columns: minmax(0, 1fr); }
  .work-item { gap: 14px; }
  .work-index { padding-top: 5px; }
  .btn { width: 100%; }
  .hero-actions .btn { width: 100%; }
  .cta-actions { width: 100%; }
  .cta-email { word-break: break-word; }
}