/* ===== Altegena — Nord-dark monospace ===== */

:root {
  --bg-0: #1b1f27;
  --bg-1: #232831;
  --bg-2: #2e3440;
  --bg-3: #3b4252;
  --line: #434c5e;
  --line-soft: #2a3038;
  --text-0: #eceff4;
  --text-1: #d8dee9;
  --text-2: #8a93a6;
  --text-3: #5d6578;
  --frost-1: #88c0d0;
  --frost-2: #81a1c1;
  --frost-3: #5e81ac;
  --aurora-green: #a3be8c;
  --aurora-yellow: #ebcb8b;
  --aurora-orange: #d08770;
  --aurora-red: #bf616a;
  --aurora-purple: #b48ead;

  --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --gutter: clamp(20px, 4vw, 56px);
  --maxw: 1440px;
  --hairline: 1px solid var(--line);
  --hairline-soft: 1px solid var(--line-soft);

  --ease: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="light"] {
  --bg-0: #f1f3f7;
  --bg-1: #e8ebf1;
  --bg-2: #dde1ea;
  --bg-3: #cdd3df;
  --line: #b8bfcc;
  --line-soft: #d6dae3;
  --text-0: #1b1f27;
  --text-1: #2e3440;
  --text-2: #5b6478;
  --text-3: #8a93a6;
  --frost-1: #5e81ac;
  --frost-2: #5e81ac;
  --frost-3: #88c0d0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--bg-0);
  color: var(--text-0);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  font-feature-settings: "ss01", "ss02", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body { min-height: 100vh; cursor: none; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: none; }
img, svg { display: block; max-width: 100%; }

::selection { background: var(--frost-1); color: var(--bg-0); }

/* ===== Background canvas ===== */
#bg-canvas {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}
.bg-grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background-image: radial-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: overlay;
  opacity: .35;
}
:root[data-theme="light"] .bg-grain { opacity: .15; }

.bg-vignette {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background: radial-gradient(circle at 50% 50%, transparent 30%, var(--bg-0) 110%);
  opacity: .85;
}

/* ===== Cursor ===== */
.cursor {
  position: fixed; top: 0; left: 0; pointer-events: none; z-index: 1000;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--frost-1);
  transform: translate(-50%,-50%);
  mix-blend-mode: difference;
  transition: width .25s var(--ease), height .25s var(--ease), background .25s var(--ease);
}
.cursor-ring {
  position: fixed; top: 0; left: 0; pointer-events: none; z-index: 999;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--frost-1);
  transform: translate(-50%,-50%);
  transition: width .25s var(--ease), height .25s var(--ease), border-color .25s var(--ease), opacity .25s var(--ease);
}
body.is-hovering .cursor { width: 4px; height: 4px; }
body.is-hovering .cursor-ring { width: 64px; height: 64px; border-color: var(--frost-1); }

@media (hover: none) {
  body, button, a { cursor: auto !important; }
  .cursor, .cursor-ring { display: none; }
}

/* ===== Layout primitives ===== */
.container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
main { position: relative; z-index: 2; }

.section {
  position: relative;
  padding: clamp(80px, 12vh, 160px) 0;
  border-top: var(--hairline-soft);
}
.section--first { border-top: 0; }

.label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-2);
}
.label::before {
  content: ""; width: 6px; height: 6px; background: var(--frost-1);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--frost-1);
}

.eyebrow {
  display: flex; align-items: center; gap: 16px;
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 28px;
}
.eyebrow .num { color: var(--frost-1); }
.eyebrow .bar { flex: 1; height: 1px; background: var(--line); }

h1, h2, h3, h4 { font-weight: 500; letter-spacing: -0.02em; line-height: 0.98; }

.display {
  font-size: clamp(48px, 8.6vw, 156px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.92;
  text-wrap: balance;
}
.display em {
  font-style: normal;
  color: var(--frost-1);
}

.h2 {
  font-size: clamp(36px, 5.2vw, 84px);
  letter-spacing: -0.035em;
  line-height: 0.96;
  text-wrap: balance;
}

.h3 {
  font-size: clamp(20px, 1.6vw, 26px);
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.lede {
  font-size: clamp(15px, 1.15vw, 17px);
  color: var(--text-1);
  max-width: 56ch;
  line-height: 1.5;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  background: linear-gradient(180deg, var(--bg-0) 0%, color-mix(in oklab, var(--bg-0) 70%, transparent) 70%, transparent 100%);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: padding .35s var(--ease), background .35s var(--ease);
}
.nav--scrolled { padding-top: 10px; padding-bottom: 10px; }
.nav__brand {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px; letter-spacing: 0.04em;
}
.nav__brand .logo {
  height: 22px; width: auto; filter: brightness(0) invert(1);
  opacity: .96;
}
:root[data-theme="light"] .nav__brand .logo { filter: none; }
.nav__brand .status {
  display: inline-flex; align-items: center; gap: 8px;
  padding-left: 14px;
  border-left: var(--hairline);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-2);
}
.nav__brand .status .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--aurora-green);
  box-shadow: 0 0 10px var(--aurora-green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.nav__links { display: flex; gap: 28px; }
.nav__links a {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-1);
  position: relative;
  padding: 6px 0;
}
.nav__links a::before {
  content: "["; opacity: 0; margin-right: 4px;
  color: var(--frost-1);
  transition: opacity .25s var(--ease), margin .25s var(--ease);
}
.nav__links a::after {
  content: "]"; opacity: 0; margin-left: 4px;
  color: var(--frost-1);
  transition: opacity .25s var(--ease), margin .25s var(--ease);
}
.nav__links a:hover::before, .nav__links a:hover::after {
  opacity: 1;
}

.nav__right { display: flex; align-items: center; gap: 14px; }
.theme-toggle {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border: var(--hairline);
  border-radius: 0;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.theme-toggle:hover { border-color: var(--frost-1); background: color-mix(in oklab, var(--frost-1) 14%, transparent); }
.theme-toggle svg { width: 14px; height: 14px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }

.cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 18px;
  border: 1px solid var(--text-0);
  background: var(--text-0);
  color: var(--bg-0);
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  position: relative; overflow: hidden;
}
.cta::after {
  content: ""; position: absolute; inset: 0;
  background: var(--frost-1);
  transform: translateY(101%);
  transition: transform .35s var(--ease);
  z-index: -1;
}
.cta:hover { background: transparent; color: var(--text-0); border-color: var(--frost-1); }
.cta:hover::after { transform: translateY(0); }
.cta .arrow { display: inline-block; transition: transform .25s var(--ease); }
.cta:hover .arrow { transform: translateX(4px); }

.cta--ghost {
  background: transparent;
  color: var(--text-0);
  border: 1px solid var(--line);
}
.cta--ghost:hover { border-color: var(--frost-1); color: var(--frost-1); }
.cta--ghost::after { display: none; }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: clamp(110px, 16vh, 180px) 0 80px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.hero__lead {
  display: flex; flex-direction: column; gap: 26px;
}
.hero__meta {
  display: flex; flex-wrap: wrap;
  justify-content: space-between; align-items: flex-end;
  gap: 28px;
  margin-top: 56px;
}
.hero__copy {
  max-width: 44ch;
  color: var(--text-1);
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.55;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__bottom {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding-top: 28px;
  border-top: var(--hairline);
  margin-top: 90px;
}
.hero__bottom .cell {
  padding-right: 24px;
  border-right: var(--hairline-soft);
}
.hero__bottom .cell:last-child { border-right: 0; padding-right: 0; }
.hero__bottom .cell .k {
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-2);
  margin-bottom: 10px;
}
.hero__bottom .cell .v {
  font-size: clamp(20px, 1.5vw, 24px); color: var(--text-0); letter-spacing: -0.01em;
}

/* coordinate/scrollhint */
.scroll-hint {
  position: absolute;
  right: var(--gutter);
  bottom: 28px;
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-2);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-hint .line {
  width: 1px; height: 56px;
  background: linear-gradient(180deg, var(--text-2), transparent);
  position: relative; overflow: hidden;
}
.scroll-hint .line::after {
  content: ""; position: absolute; top: -20px; left: 0; right: 0; height: 20px;
  background: var(--frost-1);
  animation: scrollLine 2.4s var(--ease-out) infinite;
}
@keyframes scrollLine {
  0% { transform: translateY(0); }
  100% { transform: translateY(76px); }
}

/* ===== STATS ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat {
  padding: 32px 28px 32px 0;
  border-right: var(--hairline-soft);
  position: relative;
}
.stat:last-child { border-right: 0; padding-right: 0; }
.stat .num {
  font-size: clamp(48px, 5.6vw, 84px);
  letter-spacing: -0.03em;
  color: var(--text-0);
  line-height: 1;
  display: flex; align-items: baseline; gap: 4px;
}
.stat .num .unit { font-size: 0.35em; color: var(--frost-1); margin-left: 6px; }
.stat .k {
  margin-top: 16px;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-2);
}

/* ===== SERVICES ===== */
.section-head {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: clamp(56px, 7vw, 96px);
  align-items: end;
}
.section-head__right {
  color: var(--text-2);
  font-size: clamp(14px, 1.05vw, 16px);
  max-width: 50ch;
  line-height: 1.55;
}

.services-list { border-top: var(--hairline); }
.service {
  display: grid;
  grid-template-columns: 60px 1fr 1.6fr 80px;
  gap: 40px;
  padding: 36px 0;
  border-bottom: var(--hairline);
  align-items: start;
  position: relative;
  transition: padding .4s var(--ease);
}
.service .idx {
  font-size: 12px; letter-spacing: 0.12em; color: var(--text-2);
  padding-top: 8px;
}
.service .name {
  font-size: clamp(26px, 3vw, 44px);
  letter-spacing: -0.02em; line-height: 1;
  color: var(--text-0);
}
.service .desc {
  color: var(--text-1);
  font-size: 14px; line-height: 1.55;
  max-width: 52ch;
}
.service .desc ul {
  list-style: none;
  margin-top: 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.service .desc ul li {
  color: var(--text-2); font-size: 12px; letter-spacing: 0.02em;
  display: flex; gap: 10px;
}
.service .desc ul li::before {
  content: "→"; color: var(--frost-1);
}
.service .glyph {
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.service .glyph svg { width: 100%; height: 100%; }
.service:hover { background: color-mix(in oklab, var(--frost-1) 4%, transparent); }
.service:hover .glyph svg { animation: spin 12s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== PROCESS ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: var(--hairline);
  border-bottom: var(--hairline);
}
.step {
  padding: 36px 24px 36px 0;
  border-right: var(--hairline-soft);
  position: relative;
}
.step:last-child { border-right: 0; }
.step .step-num {
  font-size: 11px; letter-spacing: 0.18em; color: var(--text-2);
  margin-bottom: 32px;
  display: flex; align-items: center; gap: 8px;
}
.step .step-num::before {
  content: ""; width: 12px; height: 12px;
  border: 1px solid var(--frost-1);
  display: inline-block;
  position: relative;
}
.step .step-name {
  font-size: clamp(22px, 1.9vw, 32px);
  letter-spacing: -0.02em; line-height: 1;
  margin-bottom: 18px;
}
.step .step-desc {
  font-size: 13px; color: var(--text-2); line-height: 1.55;
}
.step .step-time {
  margin-top: 24px;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--frost-1);
}

/* ===== CASES ===== */
.cases {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.case {
  position: relative;
  background: var(--bg-1);
  border: var(--hairline-soft);
  padding: 28px;
  transition: transform .4s var(--ease), border-color .4s var(--ease);
  min-height: 380px;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
}
.case--lg { grid-column: span 7; min-height: 460px; }
.case--md { grid-column: span 5; }
.case--sm { grid-column: span 6; min-height: 320px; }
.case:hover { border-color: var(--frost-1); }
.case .case__meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-2);
}
.case .case__title {
  font-size: clamp(22px, 2.2vw, 36px);
  letter-spacing: -0.02em; line-height: 1.05;
  margin: 24px 0 14px;
  color: var(--text-0);
}
.case .case__sub {
  font-size: 13px; color: var(--text-1); line-height: 1.55;
  max-width: 46ch;
}
.case .case__metrics {
  display: flex; gap: 28px; margin-top: 24px;
  border-top: var(--hairline-soft); padding-top: 18px;
}
.case .case__metrics .m .v {
  font-size: 22px; letter-spacing: -0.02em; color: var(--frost-1);
}
.case .case__metrics .m .k {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2);
  margin-top: 4px;
}
.case .case__viz {
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: 0.6;
  z-index: 0;
}
.case > * { position: relative; z-index: 1; }

/* ===== STACK ===== */
.stack-grid {
  display: grid; grid-template-columns: repeat(6, 1fr);
  border-top: var(--hairline);
  border-left: var(--hairline-soft);
}
.stack-item {
  border-right: var(--hairline-soft);
  border-bottom: var(--hairline-soft);
  padding: 28px 20px;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 130px;
  transition: background .25s var(--ease);
}
.stack-item:hover { background: color-mix(in oklab, var(--frost-1) 8%, transparent); }
.stack-item .stack-name {
  font-size: 15px; color: var(--text-0); letter-spacing: -0.01em;
}
.stack-item .stack-cat {
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-2);
  margin-top: auto;
}

/* ===== TESTIMONIALS ===== */
.quotes {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.quote {
  padding: 36px;
  border: var(--hairline-soft);
  background: var(--bg-1);
  position: relative;
}
.quote .mark {
  font-size: 80px; line-height: 0.5; color: var(--frost-1);
  display: block; margin-bottom: 24px;
  font-family: var(--font-mono);
}
.quote blockquote {
  font-size: clamp(17px, 1.5vw, 22px);
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--text-0);
}
.quote .who {
  margin-top: 28px;
  display: flex; align-items: center; gap: 14px;
  padding-top: 24px;
  border-top: var(--hairline-soft);
}
.quote .who .avatar {
  width: 40px; height: 40px;
  background: var(--bg-3); border: var(--hairline);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--text-1); letter-spacing: 0.04em;
}
.quote .who .name { font-size: 13px; color: var(--text-0); }
.quote .who .role { font-size: 11px; color: var(--text-2); letter-spacing: 0.06em; }

/* ===== BLOG ===== */
.posts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: var(--hairline);
}
.post {
  padding: 32px 28px 32px 0;
  border-right: var(--hairline-soft);
  display: flex; flex-direction: column;
  gap: 18px;
  min-height: 280px;
}
.post:last-child { border-right: 0; }
.post:not(:first-child) { padding-left: 28px; }
.post .post-meta {
  display: flex; justify-content: space-between;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-2);
}
.post .post-title {
  font-size: clamp(18px, 1.4vw, 22px);
  letter-spacing: -0.015em; line-height: 1.2;
  color: var(--text-0);
}
.post .post-excerpt {
  font-size: 13px; color: var(--text-1); line-height: 1.55;
  margin-top: auto;
}
.post:hover .post-title { color: var(--frost-1); }

/* ===== CONTACT ===== */
.contact {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-info {
  display: flex; flex-direction: column; gap: 36px;
}
.contact-info .row {
  display: flex; flex-direction: column; gap: 6px;
  padding-bottom: 20px; border-bottom: var(--hairline-soft);
}
.contact-info .row .k {
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-2);
}
.contact-info .row .v {
  font-size: clamp(16px, 1.3vw, 18px); color: var(--text-0); letter-spacing: -0.01em;
}

.form { display: flex; flex-direction: column; gap: 24px; }
.field {
  display: flex; flex-direction: column; gap: 8px;
  border-bottom: var(--hairline);
  padding-bottom: 12px;
  transition: border-color .25s var(--ease);
}
.field:focus-within { border-bottom-color: var(--frost-1); }
.field label {
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-2);
}
.field input, .field textarea, .field select {
  background: transparent;
  border: 0;
  color: var(--text-0);
  font: inherit;
  font-size: 16px;
  padding: 6px 0;
  outline: none;
  width: 100%;
  resize: none;
  font-family: var(--font-mono);
}
.field textarea { min-height: 100px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.checkbox-row {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.chk {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-1);
  padding: 9px 14px;
  border: 1px solid var(--line);
  cursor: none;
  user-select: none;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.chk input { display: none; }
.chk:hover { border-color: var(--frost-1); }
.chk.is-on { background: var(--frost-1); color: var(--bg-0); border-color: var(--frost-1); }

/* ===== FOOTER ===== */
.footer {
  padding: 80px 0 40px;
  border-top: var(--hairline);
  position: relative; z-index: 2;
}
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
.footer__top h4 {
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer__top ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer__top ul a { font-size: 13px; color: var(--text-1); transition: color .2s var(--ease); }
.footer__top ul a:hover { color: var(--frost-1); }
.footer__brand .display-logo {
  font-size: clamp(40px, 5vw, 64px);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 18px;
}
.footer__bottom {
  margin-top: 80px; padding-top: 24px;
  border-top: var(--hairline-soft);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-2);
}

/* huge marquee logo */
.giant {
  font-size: clamp(80px, 22vw, 360px);
  letter-spacing: -0.05em;
  line-height: 0.9;
  color: var(--text-0);
  white-space: nowrap;
  user-select: none;
}
.giant.outline {
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
}

.section--giant { padding: clamp(40px, 6vh, 80px) 0; overflow: hidden; }

/* ===== Reveal animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: none; }

.split-line { display: block; }
.split-word {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  padding-bottom: 0.14em;
  margin-bottom: -0.14em;
}
.split-word-inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1.1s var(--ease-out);
  transition-delay: var(--d, 0ms);
  will-change: transform;
}
.split-line.is-in .split-word-inner { transform: none; }
.split-word em { font-style: normal; color: var(--frost-1); }

/* ===== Scroll progress ===== */
.scroll-progress {
  position: fixed; left: 0; right: 0; bottom: 0;
  height: 2px;
  z-index: 100;
  pointer-events: none;
}
.scroll-progress__bar {
  height: 100%;
  background: var(--frost-1);
  width: 0%;
  box-shadow: 0 0 10px var(--frost-1);
}

/* ===== Side rail ===== */
.rail {
  position: fixed;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex; flex-direction: column; gap: 14px;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-3);
}
.rail .item {
  display: flex; align-items: center; gap: 10px;
  cursor: none;
  transition: color .2s var(--ease);
}
.rail .item .tick {
  width: 14px; height: 1px; background: var(--line);
  transition: width .3s var(--ease), background .3s var(--ease);
}
.rail .item.is-active { color: var(--text-0); }
.rail .item.is-active .tick { width: 26px; background: var(--frost-1); }

/* Responsive */
@media (max-width: 980px) {
  .nav__links { display: none; }
  .rail { display: none; }
  .section-head { grid-template-columns: 1fr; gap: 28px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: var(--hairline-soft); padding: 22px 18px 22px 0; }
  .service { grid-template-columns: 40px 1fr; gap: 18px; padding: 26px 0; }
  .service .desc, .service .glyph { grid-column: 2; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .step { border-right: 0; border-bottom: var(--hairline-soft); padding: 24px 0; }
  .cases { grid-template-columns: 1fr; }
  .case, .case--lg, .case--md, .case--sm { grid-column: span 1; min-height: 320px; }
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .quotes { grid-template-columns: 1fr; }
  .posts { grid-template-columns: 1fr; }
  .post { border-right: 0; border-bottom: var(--hairline-soft); padding: 24px 0 !important; }
  .contact { grid-template-columns: 1fr; gap: 40px; }
  .field-row { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .hero__bottom { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .hero__bottom .cell { padding: 14px 14px 14px 0; border-bottom: var(--hairline-soft); }
}