/* ================================================================
   Volta — AI Agency  ·  design study
   Dark neural-infrastructure landing page
   ================================================================ */

:root {
  --bg: #060606;
  --panel: #0c0c0c;
  --ink: #ffffff;
  --muted: rgba(255, 255, 255, 0.55);
  --faint: rgba(255, 255, 255, 0.32);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);

  --light-bg: #e6e5e1;
  --light-panel: #efeeea;
  --light-ink: #0c0c0c;
  --light-muted: rgba(12, 12, 12, 0.6);
  --light-line: rgba(12, 12, 12, 0.14);

  --font-display: "Inter Tight", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --font-logo: "Gasoek One", sans-serif;

  --gutter: clamp(20px, 4vw, 64px);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
.mono { font-family: var(--font-mono); }

h2 {
  font-size: clamp(44px, 6.4vw, 92px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.035em;
}

/* ---------------- header ---------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  mix-blend-mode: difference;
}

.brand { display: flex; align-items: center; gap: 9px; }

.brand-bolt { width: 22px; height: 22px; fill: #fff; }

.brand-word {
  font-family: var(--font-logo);
  font-size: 24px;
  letter-spacing: 0.01em;
  color: #fff;
}

.menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px 0;
}

.menu-btn span {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
  transition: transform 0.35s, opacity 0.35s;
}

.menu-btn.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.is-open span:nth-child(2) { opacity: 0; }
.menu-btn.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- overlay menu ---------------- */

.overlay-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: #050505;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 var(--gutter);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.6s cubic-bezier(0.77, 0, 0.18, 1);
}

.overlay-menu.is-open { clip-path: inset(0 0 0 0); }

.overlay-inner { display: flex; flex-direction: column; gap: 6px; }

.overlay-inner a {
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--muted);
  transition: color 0.25s, transform 0.25s;
}

.overlay-inner a:hover { color: #fff; transform: translateX(12px); }

.overlay-foot {
  position: absolute;
  bottom: 28px;
  left: var(--gutter);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--faint);
}

/* ---------------- buttons & labels ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s, color 0.2s;
}

.btn svg { width: 13px; height: 13px; fill: currentColor; }
.btn:hover { transform: translateY(-2px); }

.btn-light { background: #fff; color: #0a0a0a; }
.btn-light:hover { background: #d8d8d4; }

.btn-ghost { background: transparent; color: #fff; border-color: var(--line-strong); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); }

.btn-dark { background: #0c0c0c; color: #fff; }
.btn-dark:hover { background: #2a2a2a; }

.btn-sm { padding: 9px 16px; font-size: 11px; }

.label-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.label-chip i {
  font-style: normal;
  background: #fff;
  color: #060606;
  font-size: 9px;
  padding: 2px 5px;
  border-radius: 2px;
}

.light .label-chip, .label-chip.dark { color: var(--light-muted); }
.light .label-chip i, .label-chip.dark i { background: #0c0c0c; color: #fff; }

/* ---------------- shared section head ---------------- */

section { padding: clamp(90px, 11vw, 160px) var(--gutter); }

.section-head { max-width: 880px; margin-bottom: clamp(48px, 6vw, 88px); }

.section-head h2 { margin: 26px 0 22px; }

.section-sub {
  max-width: 480px;
  color: var(--muted);
  font-size: 15px;
}

.light { background: var(--light-bg); color: var(--light-ink); }
.light .section-sub { color: var(--light-muted); }

/* ---------------- hero ---------------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: 96px;
  padding-bottom: 64px;
  overflow: hidden;
}

.hero-texture {
  position: absolute;
  inset: 0 0 30% 0;
  width: 100%;
  height: 70%;
  object-fit: cover;
  opacity: 0.9;
}

.hero-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6,6,6,0.15) 0%, rgba(6,6,6,0) 24%, rgba(6,6,6,0.55) 52%, #060606 72%),
    radial-gradient(110% 70% at 18% 100%, rgba(6,6,6,0.95), transparent 58%);
}

.hero-nav, .hero-bottom { position: relative; z-index: 2; }

.hero-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: max-content;
  margin-left: auto;
  margin-right: clamp(0px, 28vw, 430px);
}

.hero-links { list-style: none; }

.hero-links a {
  display: block;
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.5;
  color: #fff;
  transition: color 0.2s, transform 0.2s;
}

.hero-links a:hover { color: var(--muted); transform: translateX(8px); }

.hero-clients {
  display: flex;
  gap: 22px;
  margin-top: 26px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

.hero-title {
  font-size: clamp(58px, 8.6vw, 124px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin-bottom: 30px;
}

.hero-sub { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 36px; }

.hero-sub p { max-width: 380px; color: var(--muted); font-size: 15px; }

/* ---------------- manifesto ---------------- */

.manifesto { max-width: 1080px; }

.manifesto-lead {
  font-size: clamp(30px, 3.6vw, 52px);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.manifesto-lead .w { opacity: 0.16; transition: none; }

.manifesto-note {
  margin-top: 52px;
  margin-left: clamp(0px, 42%, 620px);
  max-width: 360px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------------- services ---------------- */

.services { padding-top: 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 22px 22px;
}

.service-card {
  padding: 34px 28px 42px;
  border-right: 1px solid var(--line);
}

.service-card:last-child { border-right: 0; }

.service-icon {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 34px;
}

.service-icon canvas { width: 96px; height: 96px; }

.service-card h3 {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.service-card p { font-size: 13.5px; color: var(--muted); }

/* ---------------- statistics ---------------- */

.stats { padding-top: clamp(60px, 8vw, 120px); }

.stats-head {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 32px;
  align-items: start;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

.stats-copy {
  max-width: 460px;
  font-size: clamp(19px, 1.8vw, 24px);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 64px 0 80px;
}

.stat + .stat { border-left: 1px solid var(--line); padding-left: 36px; }

.stat-value {
  display: block;
  font-size: clamp(56px, 6vw, 96px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 18px;
}

.stat p { font-size: 11.5px; letter-spacing: 0.04em; color: var(--faint); max-width: 240px; line-height: 1.75; }

.showreel {
  position: relative;
  height: clamp(380px, 52vw, 620px);
  border-radius: 8px;
  overflow: hidden;
  background: #0a0a0a;
}

.showreel .bokeh { position: absolute; inset: 0; width: 100%; height: 100%; }

.reel-chip {
  position: absolute;
  top: 22px;
  right: 24px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.8);
}

.reel-bolt {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 64px;
  height: 64px;
  transform: translate(-50%, -50%);
  fill: #fff;
  filter: drop-shadow(0 0 30px rgba(255,255,255,0.5));
}

/* ---------------- case studies ---------------- */

.case-list { border-top: 1px solid var(--light-line); }

.case-row {
  display: grid;
  grid-template-columns: 220px 110px 1fr 60px;
  align-items: center;
  gap: 32px;
  padding: 44px 0;
  border-bottom: 1px solid var(--light-line);
  transition: background 0.25s, padding 0.25s;
}

.case-row:hover { background: rgba(12,12,12,0.04); padding-left: 18px; }

.case-logo {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  opacity: 0.55;
  filter: grayscale(1);
}

.case-logo b { font-weight: 600; }

.case-year { font-size: 11px; color: var(--light-muted); letter-spacing: 0.08em; }

.case-title {
  display: block;
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.case-desc {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--light-muted);
  max-width: 520px;
  line-height: 1.7;
}

.case-arrow { font-size: 26px; justify-self: end; transition: transform 0.25s; }

.case-row:hover .case-arrow { transform: translateX(8px); }

.cases-cta { margin-top: 52px; }

/* ---------------- product / flow canvas ---------------- */

.flow-shell {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #090909;
}

.flow-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.flow-tab {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
}

.flow-tab.is-active { background: #fff; color: #0a0a0a; border-color: #fff; }

.flow-file { margin-left: auto; color: var(--faint); }

.flow-canvas {
  position: relative;
  height: clamp(420px, 46vw, 600px);
  background-image: radial-gradient(rgba(255,255,255,0.09) 1px, transparent 1px);
  background-size: 26px 26px;
  overflow: hidden;
}

.corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(255,255,255,0.45);
  z-index: 3;
}

.c-tl { top: 14px; left: 14px; border-right: 0; border-bottom: 0; }
.c-tr { top: 14px; right: 14px; border-left: 0; border-bottom: 0; }
.c-bl { bottom: 56px; left: 14px; border-right: 0; border-top: 0; }
.c-br { bottom: 56px; right: 14px; border-left: 0; border-top: 0; }

.flow-sphere {
  position: absolute;
  left: 50%;
  top: 42%;
  width: clamp(120px, 13vw, 180px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, #b9b9b9 0%, #6f6f6f 32%, #2c2c2c 68%, #101010 100%);
  box-shadow: 0 30px 60px rgba(0,0,0,0.7), inset 0 -12px 34px rgba(0,0,0,0.6);
  filter: saturate(0);
}

.flow-counter {
  position: absolute;
  left: 18px;
  bottom: 92px;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--faint);
}

.flow-wires { position: absolute; inset: 0; width: 100%; height: 100%; }

.flow-wires path {
  fill: none;
  stroke: rgba(255,255,255,0.28);
  stroke-width: 1.5;
  stroke-dasharray: 5 6;
}

.flow-node {
  position: absolute;
  left: var(--x);
  top: var(--y);
  min-width: 104px;
  padding: 10px 12px 9px;
  background: #101010;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(0,0,0,0.55);
  z-index: 2;
}

.flow-node-main { border-color: rgba(255,255,255,0.55); background: #161616; }

.node-ic {
  display: inline-flex;
  width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  font-size: 12px;
  margin-bottom: 8px;
}

.flow-node b { display: block; font-size: 13px; font-weight: 500; letter-spacing: -0.01em; }

.flow-node i {
  display: block;
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--faint);
  margin-top: 3px;
}

.flow-node em {
  position: absolute;
  top: -10px;
  right: 10px;
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.06em;
  background: #1d1d1d;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 1px 6px;
  color: var(--muted);
}

.flow-hud {
  position: absolute;
  left: 18px;
  bottom: 64px;
  display: flex;
  gap: 14px;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

.flow-prompt {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: rgba(10,10,10,0.9);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.caret { animation: blink 1s steps(1) infinite; }

@keyframes blink { 50% { opacity: 0; } }

/* feature cards under canvas */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.feature-card { border-top: 1px solid var(--line); padding-top: 24px; }

.feature-ic { font-size: 15px; color: var(--muted); }

.feature-card h3 {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.6;
  margin: 16px 0 14px;
}

.feature-card p { font-size: 13px; color: var(--muted); }

/* ---------------- dashboard bento ---------------- */

.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.bento-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}

.bento-card header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.b-ic {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  font-size: 14px;
}

.bento-card h3 { font-size: 15px; font-weight: 500; }

.bento-card header p { font-size: 9px; letter-spacing: 0.12em; color: var(--faint); margin-top: 2px; }

.b-val { margin-left: auto; font-size: 11px; color: var(--muted); }

.bento-card footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

/* gauge */

.gauge-wrap { position: relative; padding: 30px 0 8px; display: flex; justify-content: center; }

.gauge { width: 220px; }

.gauge-track, .gauge-fill {
  fill: none;
  stroke-width: 14;
  stroke-linecap: round;
}

.gauge-track { stroke: rgba(255,255,255,0.1); }

.gauge-fill {
  stroke: #fff;
  stroke-dasharray: 267;
  stroke-dashoffset: 267;
}

.gauge-read {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  text-align: center;
}

.gauge-read b { font-size: 44px; font-weight: 500; letter-spacing: -0.03em; }

.gauge-read span { display: block; font-size: 9px; letter-spacing: 0.14em; color: var(--faint); }

/* sla dot chart */

.sla-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 168px;
  padding: 28px 4px 12px;
}

.sla-col { flex: 1; display: flex; flex-direction: column-reverse; gap: 4px; }

.sla-dot { width: 100%; aspect-ratio: 1; border-radius: 50%; background: rgba(255,255,255,0.16); }

.sla-dot.on { background: #fff; }

/* token rings */

.rings-wrap { position: relative; display: flex; justify-content: center; padding: 18px 0 10px; }

.rings { width: 170px; transform: rotate(-90deg); }

.ring-track { fill: none; stroke: rgba(255,255,255,0.1); stroke-width: 10; }

.ring-fill {
  fill: none;
  stroke: #fff;
  stroke-width: 10;
  stroke-linecap: round;
}

.r1 { stroke-dasharray: 440; stroke-dashoffset: 440; }
.r2 { stroke-dasharray: 327; stroke-dashoffset: 327; }

.rings-read {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.rings-read b { font-size: 40px; font-weight: 500; letter-spacing: -0.03em; }

.rings-read span { font-size: 9px; letter-spacing: 0.14em; color: var(--faint); }

/* growth card spans full width */

.bento-growth { grid-column: 1 / -1; }

.growth-read { display: flex; align-items: baseline; gap: 16px; padding: 22px 0 6px; }

.growth-read b, .growth-read b .count { font-size: clamp(48px, 5vw, 76px); font-weight: 500; letter-spacing: -0.04em; }

.growth-read > .mono { font-size: 10px; letter-spacing: 0.14em; color: var(--faint); }

.growth-chart { width: 100%; height: 150px; margin-bottom: 14px; }

.growth-line {
  fill: none;
  stroke: #fff;
  stroke-width: 2;
}

.growth-foot { align-items: center; }

/* ---------------- approach ---------------- */

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.approach-grid article {
  padding: 36px 32px 48px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.approach-grid article:last-child { border-right: 0; }

.a-idx { font-size: 11px; color: var(--faint); }

.approach-grid h3 {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 56px 0 14px;
}

.approach-grid p { font-size: 13.5px; color: var(--muted); max-width: 300px; }

/* ---------------- features tabs ---------------- */

.features { padding-left: 0; padding-right: 0; padding-bottom: 0; }

.features-banner {
  position: relative;
  padding: clamp(80px, 10vw, 140px) var(--gutter);
  overflow: hidden;
}

.grain-banner { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.5; }

.features-banner .section-head { position: relative; z-index: 2; margin-bottom: 0; }

.feat-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feat-tab {
  padding: 22px;
  background: none;
  border: 0;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}

.feat-tab:last-child { border-right: 0; }

.feat-tab:hover { color: #fff; }

.feat-tab.is-active { background: #fff; color: #0a0a0a; }

.feat-panels { padding: 56px var(--gutter) 96px; }

.feat-panel { display: none; max-width: 760px; }

.feat-panel.is-active { display: block; }

.feat-panel p {
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin-bottom: 28px;
}

.feat-chip {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.12em;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 8px 14px;
  margin-right: 18px;
}

.feat-note { font-size: 11px; letter-spacing: 0.04em; color: var(--faint); }

/* ---------------- integrations ---------------- */

.integrations { text-align: left; }

.logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  margin-top: 80px;
}

.logo-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 150px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.logo-cell:nth-child(4n) { border-right: 0; }
.logo-cell:nth-child(n+5) { border-bottom: 0; }

.abstract-mark { width: 38px; height: 38px; background: rgba(255,255,255,0.85); display: block; }

.m1 { clip-path: polygon(50% 0, 65% 35%, 100% 50%, 65% 65%, 50% 100%, 35% 65%, 0 50%, 35% 35%); }
.m2 { border-radius: 50% 50% 50% 0; }
.m3 { clip-path: polygon(0 0, 100% 0, 100% 35%, 35% 35%, 35% 100%, 0 100%); }
.m4 { border-radius: 50%; background: transparent; border: 6px solid rgba(255,255,255,0.85); }
.m5 { clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.m6 { clip-path: polygon(0 20%, 50% 0, 100% 20%, 100% 80%, 50% 100%, 0 80%); }
.m7 { border-radius: 4px; transform: rotate(45deg); }
.m8 { clip-path: polygon(0 40%, 100% 0, 100% 60%, 0 100%); }

.integrations-lead {
  max-width: 1000px;
  margin-top: 26px;
  font-size: clamp(28px, 3.4vw, 48px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.integrations-lead .w { opacity: 0.16; }

/* ---------------- testimonials ---------------- */

.quote-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--light-line);
}

.quote-card {
  padding: 28px 24px 36px;
  border-right: 1px solid var(--light-line);
  background: var(--light-panel);
}

.quote-card:last-child { border-right: 0; }

.quote-card header {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: 22px;
}

.q-mark { font-size: 20px; line-height: 1.2; }

.quote-card b { display: block; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }

.quote-card header span { display: block; font-size: 12.5px; color: var(--light-muted); margin-top: 3px; }

.q-row {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--light-muted);
  border-top: 1px solid var(--light-line);
  padding: 12px 0;
}

.stars { letter-spacing: 0.2em; color: var(--light-ink); }

.q-text { font-size: 11.5px; line-height: 1.75; letter-spacing: 0.02em; color: rgba(12,12,12,0.78); }

.client-marquee { overflow: hidden; margin-top: 72px; border-top: 1px solid var(--light-line); padding-top: 34px; }

.marquee-track {
  display: flex;
  gap: 64px;
  width: max-content;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(12,12,12,0.5);
  animation: marquee 26s linear infinite;
}

@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------------- articles ---------------- */

.articles-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 56px;
  align-items: start;
}

.article-feature figure,
.article-small figure {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: #0b0b0b;
}

.article-feature figure { height: clamp(280px, 30vw, 420px); margin-bottom: 24px; }

.articles .bokeh { position: absolute; inset: 0; width: 100%; height: 100%; transition: transform 0.5s; }

.article-feature:hover .bokeh, .article-small:hover .bokeh { transform: scale(1.05); }

.article-meta {
  display: flex;
  gap: 22px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--faint);
  margin-bottom: 14px;
}

.article-feature h3 {
  font-size: clamp(24px, 2.6vw, 36px);
  font-weight: 500;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.article-feature p { font-size: 11.5px; letter-spacing: 0.03em; color: var(--muted); max-width: 440px; line-height: 1.75; }

.article-side { display: flex; flex-direction: column; gap: 36px; }

.article-small { display: grid; grid-template-columns: 180px 1fr; gap: 22px; align-items: center; }

.article-small figure { height: 120px; }

.article-small h3 { font-size: 19px; font-weight: 500; letter-spacing: -0.02em; margin-bottom: 12px; }

.article-small .article-meta { margin-bottom: 0; }

.article-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--faint);
}

/* ---------------- faq ---------------- */

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}

.faq-intro h2 { margin: 26px 0 22px; }

.faq-intro .section-sub { margin-bottom: 32px; }

.faq-tabs {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.faq-tabs button {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  background: none;
  border: 1px solid var(--light-line);
  border-radius: 5px;
  padding: 10px 18px;
  cursor: pointer;
  color: var(--light-muted);
  transition: background 0.2s, color 0.2s;
}

.faq-tabs button.is-active, .faq-tabs button:hover { background: #0c0c0c; color: #fff; border-color: #0c0c0c; }

.faq-list details {
  border: 1px solid var(--light-line);
  border-radius: 6px;
  background: var(--light-panel);
  margin-bottom: 10px;
}

.faq-list summary {
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.faq-list summary::-webkit-details-marker { display: none; }

.f-ic {
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--light-line);
  border-radius: 5px;
  font-size: 13px;
  flex-shrink: 0;
}

.faq-list summary i { margin-left: auto; font-style: normal; font-size: 14px; color: var(--light-muted); transition: transform 0.25s; }

.faq-list details[open] summary i { transform: rotate(45deg); }

.faq-list details p {
  padding: 0 20px 20px 64px;
  font-size: 13.5px;
  color: var(--light-muted);
  max-width: 560px;
}

/* ---------------- subscribe ---------------- */

.subscribe { text-align: center; padding-bottom: clamp(100px, 12vw, 180px); }

.subscribe h2 { margin: 26px auto 20px; }

.subscribe .section-sub { margin: 0 auto 40px; }

.subscribe-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  max-width: 480px;
  margin: 0 auto;
}

.subscribe-form input {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 13px 18px;
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.subscribe-form input::placeholder { color: var(--faint); }

.subscribe-form input:focus { outline: 1px solid rgba(255,255,255,0.5); }

/* ---------------- footer ---------------- */

.site-footer {
  position: relative;
  border-top: 1px solid var(--line);
  padding: 80px var(--gutter) 0;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 72px;
}

.footer-brand .brand-bolt { width: 30px; height: 30px; margin-bottom: 22px; }

.footer-brand p { font-size: 10.5px; letter-spacing: 0.1em; color: var(--faint); line-height: 1.9; }

.footer-col { display: flex; flex-direction: column; gap: 13px; }

.footer-col h4 { font-size: 10px; letter-spacing: 0.16em; color: var(--faint); font-weight: 400; margin-bottom: 8px; }

.footer-col a { font-size: 14.5px; color: var(--muted); transition: color 0.2s; }

.footer-col a:hover { color: #fff; }

.footer-social { display: flex; gap: 16px; margin-top: 16px; font-size: 12px; color: var(--faint); }

.footer-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding: 22px 0;
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

.footer-wordmark {
  font-family: var(--font-logo);
  font-size: clamp(140px, 29vw, 440px);
  line-height: 0.7;
  text-align: center;
  letter-spacing: 0;
  color: #181818;
  user-select: none;
  transform: translateY(32%);
  margin: 0 calc(-1 * var(--gutter));
}

/* ---------------- reveal helpers ---------------- */

.gs-reveal { opacity: 0; transform: translateY(40px); }

/* ---------------- responsive ---------------- */

@media (max-width: 1024px) {
  .services-grid, .feature-grid, .quote-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card:nth-child(2n) { border-right: 0; }
  .service-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .quote-card:nth-child(2n) { border-right: 0; }
  .quote-card:nth-child(-n+2) { border-bottom: 1px solid var(--light-line); }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento-load { grid-column: 1 / -1; }
  .stats-head { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .services-grid, .feature-grid, .quote-grid, .bento,
  .approach-grid, .feat-tabs, .logo-grid { grid-template-columns: 1fr; }
  .service-card, .quote-card, .approach-grid article { border-right: 0; border-bottom: 1px solid var(--line); }
  .quote-card { border-bottom-color: var(--light-line); }
  .logo-cell { border-right: 0 !important; border-bottom: 1px solid var(--line) !important; }
  .feat-tab { border-right: 0; border-bottom: 1px solid var(--line); }
  .case-row { grid-template-columns: 1fr; gap: 14px; }
  .case-arrow { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-nav { justify-content: flex-start; padding-right: 0; }
  .article-small { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .subscribe-form { flex-direction: column; }
}