/* =========================================================
   ZENEX · brand system
   Coastal navy + mist + a flash of tide
   ========================================================= */

:root {
  /* Color */
  --abyssal: #0B1F3A;
  --abyssal-2: #143A66;
  --ink: #1A1614;
  --ink-rgb: 26,22,20;
  --ink-2: #2D2722;
  --inkSoft: #5E564F;
  --inkFaint: #B0A99F;
  --mist: #EFEAE0;
  --paper: #FAF7F1;
  --paper-2: #F3EFE6;
  --tide: #4CC6D6;
  --tide-deep: #2A98A6;
  --coin: #C8A85A;

  /* Type */
  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Layout */
  --pad-x: clamp(20px, 5vw, 88px);
  --max-w: 1280px;

  /* Motion */
  --ease: cubic-bezier(.2,.7,.2,1);
}

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* Selection */
::selection { background: var(--abyssal); color: var(--paper); }

/* =========================================================
   Type helpers
   ========================================================= */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--inkSoft);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
}
.eyebrow.on-dark { color: rgba(255,255,255,0.6); }

.display-xxl {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(48px, 9.2vw, 128px);
  line-height: 0.96;
  letter-spacing: -0.045em;
}
.display-xl {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(40px, 6.4vw, 80px);
  line-height: 1;
  letter-spacing: -0.035em;
}
.display-l {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.025em;
}
.display-m {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.012em;
}
.lede {
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.55;
  color: var(--inkSoft);
  max-width: 56ch;
}

.section { padding: clamp(80px, 11vw, 160px) var(--pad-x); }
.section.tight { padding-block: clamp(60px, 8vw, 110px); }
.section.dark { background: var(--ink); color: var(--paper); }
.section.navy { background: var(--abyssal); color: var(--paper); }
.section.mist { background: var(--paper-2); }

.wrap { max-width: var(--max-w); margin: 0 auto; }

.divider {
  height: 1px;
  background: rgba(var(--ink-rgb),0.12);
}
.section.dark .divider, .section.navy .divider { background: rgba(255,255,255,0.14); }

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  border: 1.5px solid currentColor;
  background: transparent;
  color: var(--ink);
  transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease), box-shadow .35s var(--ease);
  white-space: nowrap;
}
.btn .arrow { display: inline-block; transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }
.btn.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  box-shadow: 0 2px 0 rgba(0,0,0,0.06), 0 16px 30px -16px rgba(11,31,58,0.35);
}
.btn.primary:hover { background: var(--abyssal); border-color: var(--abyssal); transform: translateY(-1px); }
.btn.ghost { border-color: rgba(var(--ink-rgb),0.25); color: var(--ink); }
.btn.ghost:hover { border-color: var(--ink); background: rgba(var(--ink-rgb),0.04); }
.btn.on-dark { color: var(--paper); border-color: rgba(255,255,255,0.35); }
.btn.on-dark:hover { background: rgba(255,255,255,0.08); border-color: var(--paper); }
.btn.on-dark.primary { background: var(--paper); border-color: var(--paper); color: var(--abyssal); }
.btn.on-dark.primary:hover { background: var(--tide); border-color: var(--tide); color: var(--abyssal); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 500;
  color: var(--ink);
  padding-bottom: 2px;
  position: relative;
}
.link-arrow::after {
  content: ""; position: absolute; left: 0; bottom: 0; right: 22px;
  height: 1px; background: currentColor; opacity: 0.25;
  transition: opacity .25s var(--ease), right .35s var(--ease);
}
.link-arrow:hover::after { opacity: 0.7; right: 0; }
.link-arrow .arrow { transition: transform .3s var(--ease); }
.link-arrow:hover .arrow { transform: translateX(3px); }
.section.dark .link-arrow, .section.navy .link-arrow { color: var(--paper); }

/* =========================================================
   Logo mark
   ========================================================= */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.22em;
}
.brand .mark { width: 22px; height: 22px; }

/* =========================================================
   Header / Nav
   ========================================================= */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 18px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background .35s var(--ease), backdrop-filter .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.scrolled {
  padding-block: 12px;
  background: rgba(250,247,241,0.78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 1px 0 rgba(var(--ink-rgb),0.06);
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 13px;
  color: var(--inkSoft);
}
.nav-links a { position: relative; transition: color .2s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 1px;
  background: var(--ink); transition: right .3s var(--ease);
}
.nav-links a:hover::after { right: 0; }

.nav-toggle { display: none; }

/* Header right cluster — lang + CTA */
.header-right { display: flex; align-items: center; gap: 18px; }

.lang-toggle {
  display: inline-flex; align-items: center;
  gap: 6px;
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--inkSoft);
}
.lang-btn {
  background: transparent; border: 0;
  font: inherit; color: var(--inkSoft);
  padding: 4px 2px; cursor: pointer;
  letter-spacing: inherit;
  transition: color .2s var(--ease);
  position: relative;
}
.lang-btn:hover { color: var(--ink); }
.lang-btn.is-active { color: var(--ink); }
.lang-btn.is-active::after {
  content: ""; position: absolute; left: 2px; right: 2px; bottom: 0; height: 1px;
  background: var(--ink);
}
.lang-divider { color: var(--inkFaint); }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .lang-toggle { font-size: 10px; }
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px;
    width: 32px; height: 32px; align-items: flex-end; justify-content: center;
    background: transparent; border: 0; padding: 0;
  }
  .nav-toggle span { display: block; height: 1.6px; background: var(--ink); border-radius: 2px; }
  .nav-toggle span:nth-child(1) { width: 22px; }
  .nav-toggle span:nth-child(2) { width: 16px; }
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  padding: clamp(140px, 18vw, 220px) var(--pad-x) clamp(90px, 14vw, 160px);
  overflow: hidden;
}
.hero-inner { max-width: var(--max-w); margin: 0 auto; position: relative; z-index: 2; }
.hero h1 { margin: 22px 0 0; max-width: 14ch; }
.hero h1 .accent { color: var(--abyssal); }
.hero h1 .stop { color: var(--tide-deep); }
.hero .sub { margin-top: 32px; }
.hero .cta-row {
  margin-top: 44px;
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
}
.hero .meta {
  font-family: var(--f-mono); font-size: 11px; color: var(--inkSoft);
  letter-spacing: 1.5px; text-transform: uppercase; margin-left: 6px;
}

.hero-visual {
  position: absolute;
  right: clamp(-160px, -6vw, 0px);
  top: 50%;
  transform: translateY(-46%);
  width: clamp(420px, 52vw, 740px);
  aspect-ratio: 1 / 1;
  z-index: 1;
  opacity: 0.95;
  pointer-events: none;
}
.hero-visual svg { width: 100%; height: 100%; display: block; }

@media (max-width: 980px) {
  .hero-visual {
    position: relative; right: auto; top: auto; transform: none;
    width: min(80%, 480px); margin: 40px 0 0 auto; opacity: 0.85;
  }
}

/* Currents wave layer behind hero — very subtle */
.hero::before {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; top: 0;
  background:
    radial-gradient(60% 80% at 80% 50%, rgba(76,198,214,0.06), transparent 60%),
    radial-gradient(40% 60% at 0% 30%, rgba(11,31,58,0.04), transparent 70%);
  pointer-events: none;
}

/* =========================================================
   Client strip
   ========================================================= */

.clients {
  padding: 28px var(--pad-x);
  border-top: 1px solid rgba(var(--ink-rgb),0.08);
  border-bottom: 1px solid rgba(var(--ink-rgb),0.08);
}
.clients .row {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  gap: 28px; flex-wrap: wrap;
}
.clients .label {
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 2px;
  color: var(--inkSoft); text-transform: uppercase;
}
.clients .names {
  display: flex; gap: clamp(20px, 4vw, 48px); flex-wrap: wrap; align-items: center;
}
.clients .names span {
  font-family: var(--f-display); font-weight: 500;
  font-size: 17px; letter-spacing: 0.12em;
  color: var(--inkSoft);
  transition: color .25s var(--ease);
}
.clients .names span:hover { color: var(--ink); }

/* =========================================================
   Section heading
   ========================================================= */

.s-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
  align-items: flex-start;
  margin-bottom: clamp(40px, 5vw, 72px);
}
.s-head .num {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 2px;
  color: var(--inkSoft); text-transform: uppercase;
  padding-top: 10px;
}
.s-head .title { max-width: 22ch; }
.s-head .desc { margin-top: 18px; max-width: 56ch; color: var(--inkSoft); font-size: 16px; line-height: 1.6; }

.section.dark .s-head .num, .section.navy .s-head .num { color: rgba(255,255,255,0.5); }
.section.dark .s-head .desc, .section.navy .s-head .desc { color: rgba(255,255,255,0.65); }

@media (max-width: 760px) {
  .s-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
}

/* =========================================================
   Services grid
   ========================================================= */

.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service {
  position: relative;
  padding: 28px 26px 30px;
  border: 1px solid rgba(var(--ink-rgb),0.1);
  border-radius: 14px;
  background: var(--paper);
  transition: transform .35s var(--ease), border-color .25s var(--ease), box-shadow .35s var(--ease);
  overflow: hidden;
}
.service:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--ink-rgb),0.22);
  box-shadow: 0 18px 40px -24px rgba(11,31,58,0.22);
}
.service .glyph {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--abyssal);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 26px;
  transition: background .25s var(--ease);
}
.service:hover .glyph { background: var(--tide-deep); }
.service h3 {
  margin: 0 0 8px;
  font-family: var(--f-display); font-weight: 500;
  font-size: 19px; letter-spacing: -0.012em;
}
.service p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--inkSoft); }
.service .tag-arrow {
  position: absolute; top: 28px; right: 26px;
  font-family: var(--f-mono); font-size: 10px; color: var(--inkSoft);
  letter-spacing: 1px;
  opacity: 0; transform: translate(-4px,0);
  transition: opacity .25s var(--ease), transform .35s var(--ease);
}
.service:hover .tag-arrow { opacity: 0.8; transform: translate(0,0); }

/* Featured service card — bigger, emphasised */
.service.feature {
  background: linear-gradient(180deg, var(--paper), var(--paper-2));
  border-color: rgba(11,31,58,0.18);
}
.service.feature .glyph { background: var(--abyssal); }
.service.feature::before {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, var(--abyssal), var(--tide));
}

/* Tab behaviour on service cards */
.service[role="tab"] { cursor: pointer; user-select: none; }
.service:focus-visible { outline: 2px solid var(--tide-deep); outline-offset: 4px; }
.service[aria-selected="true"] {
  border-color: var(--abyssal);
  box-shadow:
    inset 0 0 0 1px var(--abyssal),
    0 22px 50px -30px rgba(11,31,58,0.32);
  transform: translateY(-3px);
}
.service[aria-selected="true"] .glyph { background: var(--abyssal); }

/* "View details ↓" cue at bottom of every service card */
.service-cue {
  margin-top: 20px;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--inkSoft);
  transition: color .25s var(--ease), transform .25s var(--ease);
}
.service:hover .service-cue { color: var(--ink); }
.service[aria-selected="true"] .service-cue {
  color: var(--abyssal);
  font-weight: 500;
}

.service-flag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--abyssal);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

@media (max-width: 980px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .services { grid-template-columns: 1fr; } }

/* =========================================================
   How it works
   ========================================================= */

.phases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.phase {
  border-top: 1px solid rgba(var(--ink-rgb),0.65);
  padding-top: 22px;
  position: relative;
}
.phase .num {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 2px;
  color: var(--inkSoft); text-transform: uppercase;
}
.phase h3 {
  margin: 14px 0 12px;
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(28px, 3vw, 36px); letter-spacing: -0.024em; line-height: 1.04;
}
.phase p { margin: 0; color: var(--inkSoft); font-size: 15px; line-height: 1.6; max-width: 30ch; }
.phase .dur {
  margin-top: 18px;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 1.5px;
  color: var(--tide-deep); text-transform: uppercase;
}

@media (max-width: 880px) {
  .phases { grid-template-columns: 1fr; gap: 28px; }
}

/* =========================================================
   Selected work
   ========================================================= */

.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.case {
  position: relative;
  padding: 32px 30px 28px;
  border: 1px solid rgba(var(--ink-rgb),0.1);
  border-radius: 16px;
  background: var(--paper);
  display: flex; flex-direction: column;
  min-height: 360px;
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .25s var(--ease), box-shadow .35s var(--ease);
}
.case::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, var(--abyssal), var(--tide));
  transform-origin: left; transform: scaleX(0);
  transition: transform .55s var(--ease);
}
.case:hover { transform: translateY(-3px); border-color: rgba(var(--ink-rgb),0.22); box-shadow: 0 20px 50px -30px rgba(11,31,58,0.25); }
.case:hover::after { transform: scaleX(1); }
.case .tag { font-family: var(--f-mono); font-size: 10px; letter-spacing: 1.8px; color: var(--inkSoft); text-transform: uppercase; }
.case .metric {
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(54px, 6vw, 76px); letter-spacing: -0.04em; line-height: 1;
  color: var(--abyssal); margin: 30px 0 6px;
}
.case .metric-l { font-family: var(--f-mono); font-size: 10px; letter-spacing: 1.5px; color: var(--inkSoft); text-transform: uppercase; }
.case .body { color: var(--inkSoft); font-size: 14px; line-height: 1.6; margin: 22px 0 0; }
.case .footer { margin-top: auto; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; }
.case .footer .meta { font-family: var(--f-mono); font-size: 10px; letter-spacing: 1.2px; color: var(--inkSoft); }

@media (max-width: 980px) { .work-grid { grid-template-columns: 1fr; } }

/* =========================================================
   Detail tabs (§02) + panel transitions
   ========================================================= */

.detail-tabs {
  display: flex;
  gap: 0;
  align-items: stretch;
  border-bottom: 1px solid rgba(var(--ink-rgb),0.14);
  margin-bottom: clamp(36px, 5vw, 56px);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.detail-tabs::-webkit-scrollbar { display: none; }

.dt {
  appearance: none;
  display: flex; align-items: baseline; gap: 12px;
  padding: 18px 24px;
  background: transparent; border: 0; cursor: pointer;
  font: inherit; color: var(--inkSoft);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .25s var(--ease), border-color .3s var(--ease), background .25s var(--ease);
  margin-bottom: -1px;
}
.dt:hover { color: var(--ink); background: rgba(var(--ink-rgb),0.02); }
.dt:focus-visible { outline: 2px solid var(--tide-deep); outline-offset: -4px; }
.dt-num {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 1.5px;
  color: var(--inkSoft);
}
.dt-l {
  font-family: var(--f-display); font-weight: 500;
  font-size: 16px; letter-spacing: -0.012em;
  color: inherit;
}
.dt.is-active {
  color: var(--ink);
  border-bottom-color: var(--abyssal);
}
.dt.is-active .dt-num { color: var(--abyssal); }

/* Panels — only the active one renders */
.detail-panel { display: none; }
.detail-panel.is-active {
  display: block;
  animation: panelIn .55s var(--ease) both;
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Per-panel intro block */
.panel-intro {
  margin-bottom: clamp(36px, 5vw, 56px);
  max-width: 760px;
}
.panel-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--tide-deep);
}
.panel-eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px; height: 1px; background: currentColor;
}
.panel-title {
  margin: 18px 0 16px;
  color: var(--ink);
}
.panel-desc {
  margin: 0;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.6;
  color: var(--inkSoft);
  max-width: 60ch;
}

.web-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.web-card {
  position: relative;
  padding: 0;
  border: 1px solid rgba(var(--ink-rgb),0.1);
  border-radius: 16px;
  background: var(--paper);
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .25s var(--ease), box-shadow .35s var(--ease);
}
.web-card:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--ink-rgb),0.22);
  box-shadow: 0 22px 50px -30px rgba(11,31,58,0.22);
}
.web-preview {
  background: linear-gradient(180deg, #EFEAE0, #F3EFE6);
  padding: 22px 22px 0;
  border-bottom: 1px solid rgba(var(--ink-rgb),0.08);
}
.web-preview svg {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 14px 24px rgba(11,31,58,0.12)) drop-shadow(0 2px 0 rgba(0,0,0,0.04));
  border-radius: 6px;
  overflow: visible;
  transition: transform .5s var(--ease);
}
.web-card:hover .web-preview svg { transform: translateY(-3px); }

.web-card > .web-card-head,
.web-card > p,
.web-card > .caps { padding-inline: 32px; }
.web-card > .web-card-head { padding-top: 28px; }
.web-card > .caps { padding-bottom: 48px; }
.web-card-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 18px; }
.web-num {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 2px;
  color: var(--tide-deep); text-transform: uppercase;
}
.web-card h3 {
  margin: 0;
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(22px, 2.2vw, 27px);
  letter-spacing: -0.018em; line-height: 1.1;
}
.web-card > p {
  margin: 0;
  color: var(--inkSoft);
  font-size: 14.5px;
  line-height: 1.6;
}
.web-card .caps {
  margin: auto 0 0;
  padding-top: 26px;
  list-style: none;
  border-top: 1px solid rgba(var(--ink-rgb),0.1);
  display: flex; flex-direction: column; gap: 8px;
}
.web-card .caps li {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.3px;
  color: var(--inkSoft);
  padding-left: 18px;
  position: relative;
}
.web-card .caps li::before {
  content: "";
  position: absolute; left: 0; top: 7px;
  width: 8px; height: 1px;
  background: var(--tide-deep);
}

.web-rail {
  margin-top: 36px;
  padding: 22px 28px;
  border-radius: 999px;
  border: 1px solid rgba(var(--ink-rgb),0.12);
  background: rgba(var(--ink-rgb),0.02);
  display: flex; align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.web-rail-l {
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--inkSoft);
  white-space: nowrap;
}
.web-rail-items {
  display: flex; gap: 8px; flex-wrap: wrap; flex: 1;
}
.web-rail-items span {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.4px;
  color: var(--ink);
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid rgba(var(--ink-rgb),0.1);
}

@media (max-width: 980px) {
  .web-grid { grid-template-columns: 1fr; }
  .web-rail { border-radius: 16px; flex-direction: column; align-items: flex-start; gap: 14px; }
}

/* =========================================================
   Design craft strip
   ========================================================= */

.craft {
  margin-top: clamp(60px, 8vw, 100px);
  padding-top: clamp(40px, 5vw, 56px);
  border-top: 1px solid rgba(var(--ink-rgb),0.12);
}
.craft-head {
  display: flex; align-items: baseline; gap: clamp(20px, 4vw, 48px);
  margin-bottom: clamp(32px, 4vw, 48px);
  flex-wrap: wrap;
}
.craft-l {
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 1.8px;
  color: var(--inkSoft); text-transform: uppercase;
}
.craft-title {
  margin: 0;
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: -0.022em; line-height: 1.05;
  color: var(--ink);
}

.craft-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(var(--ink-rgb),0.1);
  border: 1px solid rgba(var(--ink-rgb),0.1);
  border-radius: 14px;
  overflow: hidden;
}
.craft-cell {
  padding: 28px 26px 28px;
  background: var(--paper);
  display: flex; flex-direction: column;
  transition: background .25s var(--ease);
}
.craft-cell:hover { background: #FDFBF6; }
.craft-cell h4 {
  margin: 18px 0 8px;
  font-family: var(--f-display); font-weight: 500;
  font-size: 17px; letter-spacing: -0.012em; line-height: 1.2;
}
.craft-cell > p {
  margin: 0;
  font-size: 13.5px; line-height: 1.55;
  color: var(--inkSoft);
}
.craft-vis {
  height: 64px;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 4px;
  position: relative;
}
.craft-vis > svg:only-child { width: 100%; height: 100%; display: block; }

/* Type visual */
.craft-vis-type .big-aa {
  font-family: var(--f-display);
  font-size: 48px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--abyssal);
}
.craft-vis-type .lil-line {
  display: block; height: 4px; width: 50px;
  background: rgba(var(--ink-rgb),0.18); border-radius: 2px;
}
.craft-vis-type .lil-line.short { width: 32px; opacity: 0.7; }
.craft-vis-type {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 6px 10px;
}
.craft-vis-type .big-aa { grid-row: span 2; }

/* Color visual */
.craft-vis-color { display: flex; align-items: stretch; gap: 0; }
.craft-vis-color .sw {
  display: block; flex: 1; height: 56px;
  border: 1px solid rgba(var(--ink-rgb),0.08);
}
.craft-vis-color .sw:first-child { border-radius: 4px 0 0 4px; }
.craft-vis-color .sw:last-child { border-radius: 0 4px 4px 0; }

/* Components visual */
.craft-vis-comp { flex-direction: column; align-items: stretch; gap: 6px; }
.craft-vis-comp .comp-btn {
  align-self: flex-start;
  font-family: var(--f-body); font-size: 9px; font-weight: 500;
  padding: 5px 10px; border-radius: 999px;
  background: var(--ink); color: var(--paper);
}
.craft-vis-comp .comp-input {
  display: block; height: 12px; width: 100%;
  border: 1px solid rgba(var(--ink-rgb),0.2); border-radius: 3px;
  background: rgba(255,255,255,0.7);
}
.craft-vis-comp { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; gap: 6px 8px; align-items: center; }
.craft-vis-comp .comp-input { grid-column: 2; }
.craft-vis-comp .comp-chip {
  display: inline-block; height: 14px; width: 22px;
  background: var(--tide-deep); border-radius: 3px;
  grid-column: 1;
}
.craft-vis-comp .comp-chip.dark { background: var(--coin); grid-column: 2; height: 6px; width: 60%; border-radius: 3px; align-self: end; }

/* Motion visual */
.craft-vis-motion { padding: 6px 0; }
.craft-vis-motion svg { width: 100%; height: 100%; }

@media (max-width: 980px) {
  .craft-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .craft-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   Principles
   ========================================================= */

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  overflow: hidden;
}
.principle {
  padding: 36px 32px;
  background: var(--ink);
  display: flex; flex-direction: column;
  transition: background .35s var(--ease);
  position: relative;
}
.principle:hover { background: var(--ink-2); }
.principle .p-num {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 2px;
  color: var(--tide); text-transform: uppercase;
  margin-bottom: 22px;
}
.principle h3 {
  margin: 0 0 14px;
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(20px, 1.9vw, 24px);
  letter-spacing: -0.016em; line-height: 1.15;
  color: var(--paper);
  max-width: 18ch;
}
.principle > p {
  margin: 0;
  color: rgba(255,255,255,0.7);
  font-size: 14.5px;
  line-height: 1.6;
  max-width: 36ch;
}

@media (max-width: 980px) {
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .principles-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   Studio (dark)
   ========================================================= */

.studio-content {
  display: grid; grid-template-columns: 220px 1fr; gap: 60px;
  align-items: flex-start;
}
.studio-content .label {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 2px;
  color: rgba(255,255,255,0.55); text-transform: uppercase; padding-top: 10px;
}
.studio-lede {
  font-family: var(--f-display); font-weight: 400;
  font-size: clamp(28px, 3.2vw, 44px); letter-spacing: -0.02em;
  line-height: 1.15; max-width: 26ch; color: var(--paper);
}
.studio-facts {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  margin-top: 56px; padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.fact .l { font-family: var(--f-mono); font-size: 10px; letter-spacing: 1.5px; color: rgba(255,255,255,0.5); text-transform: uppercase; }
.fact .v { margin-top: 10px; font-size: 15px; line-height: 1.55; color: rgba(255,255,255,0.85); }

@media (max-width: 760px) {
  .studio-content { grid-template-columns: 1fr; gap: 16px; }
  .studio-facts { grid-template-columns: 1fr; gap: 22px; }
}

/* =========================================================
   Contact
   ========================================================= */

.contact-inner {
  max-width: var(--max-w); margin: 0 auto;
  position: relative;
}
.contact h2 { margin-top: 24px; max-width: 16ch; }
.contact h2 .tide { color: var(--tide-deep); }
.contact-grid {
  margin-top: 64px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  padding-top: 28px;
  border-top: 1px solid rgba(var(--ink-rgb),0.14);
}
.contact-grid .l { font-family: var(--f-mono); font-size: 11px; letter-spacing: 1.8px; color: var(--inkSoft); text-transform: uppercase; }
.contact-grid .v { margin-top: 12px; font-size: 17px; }
.contact-grid .v a:hover { color: var(--tide-deep); }
.contact-grid .v.small { font-size: 14px; color: var(--inkSoft); line-height: 1.5; }

@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; gap: 24px; } }

/* =========================================================
   Footer
   ========================================================= */

footer.site {
  padding: 36px var(--pad-x);
  border-top: 1px solid rgba(var(--ink-rgb),0.1);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 1.5px;
  color: var(--inkSoft); text-transform: uppercase;
  gap: 20px; flex-wrap: wrap;
}
.footer-note {
  font-family: var(--f-body); font-size: 12px; font-style: italic;
  color: var(--inkSoft); text-transform: none; letter-spacing: 0;
  flex: 1 1 auto; text-align: center;
  min-width: 200px;
}
footer.site .right { display: flex; gap: 22px; }
footer.site a:hover { color: var(--ink); }

/* =========================================================
   Scroll reveal
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   Theme toggle (header)
   ========================================================= */

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 999px;
  background: transparent;
  border: 1px solid rgba(var(--ink-rgb), 0.18);
  color: var(--ink); cursor: pointer; padding: 0;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.theme-toggle:hover { border-color: rgba(var(--ink-rgb), 0.42); background: rgba(var(--ink-rgb), 0.05); }
.theme-toggle:focus-visible { outline: 2px solid var(--tide-deep); outline-offset: 3px; }
.theme-toggle svg { width: 16px; height: 16px; display: block; }
.theme-toggle .i-sun  { display: none; }
.theme-toggle .i-moon { display: block; }
html[data-theme="dark"] .theme-toggle .i-sun  { display: block; }
html[data-theme="dark"] .theme-toggle .i-moon { display: none; }

@media (max-width: 880px) {
  .theme-toggle { width: 30px; height: 30px; }
}

/* =========================================================
   Dark mode — clean coastal-night palette
   ========================================================= */

html[data-theme="dark"] {
  color-scheme: dark;
  --abyssal: #5891CE;     /* lifted: accents, glyph, gradients */
  --abyssal-2: #34507A;
  --ink: #ECE9E2;         /* primary text (light) */
  --ink-rgb: 236, 233, 226;
  --ink-2: #FFFFFF;
  --inkSoft: #9BA7B4;     /* muted text */
  --inkFaint: #5A6573;
  --mist: #16222F;
  --paper: #131E2B;       /* card / surface */
  --paper-2: #0E1825;     /* mist sections + feature gradient */
  --tide: #4CC6D6;
  --tide-deep: #5CCEDD;   /* brightened accent for legibility */
  --coin: #D8BC72;
}

html[data-theme="dark"] body { background: #0B131D; }

html[data-theme="dark"] ::selection { background: var(--tide); color: #0B131D; }

/* Scrolled header glass */
html[data-theme="dark"] .site-header.scrolled {
  background: rgba(11, 19, 29, 0.8);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Primary button — light pill, dark label */
html[data-theme="dark"] .btn.primary:hover {
  background: var(--tide); border-color: var(--tide); color: #0B131D;
}

/* Web-preview screens — dark tray under the mini mockups */
html[data-theme="dark"] .web-preview {
  background: linear-gradient(180deg, #1A2735, #141F2C);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

/* Craft cell hover */
html[data-theme="dark"] .craft-cell:hover { background: #16222F; }

/* Principles — keep as elevated night panels (var(--ink) flipped to light) */
html[data-theme="dark"] .section.dark { background: #0A111A; color: var(--ink); }
html[data-theme="dark"] .principle { background: #111D2A; }
html[data-theme="dark"] .principle:hover { background: #16263A; }
html[data-theme="dark"] .principle h3 { color: var(--ink); }