/* ==========================================================================
   PCB Component Services — design system
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --ink: #0a0e15;
  --ink-soft: #151c28;
  --muted: #5d6675;
  --muted-soft: #7c8595;
  --paper: #f5f3ee;
  --surface: #ffffff;
  --blue: #2149e8;
  --blue-dark: #1733ab;
  --copper: #c0763e;
  --mint: #0e7c66;
  --line: rgba(10, 14, 21, 0.1);
  --line-soft: rgba(10, 14, 21, 0.06);
  --line-strong: rgba(10, 14, 21, 0.2);
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --container: 1180px;
  --font: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow-card: 0 30px 60px -44px rgba(10, 14, 21, 0.45);
  --shadow-panel: 0 40px 90px -50px rgba(10, 14, 21, 0.55);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.58;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

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

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.03;
  text-wrap: balance;
}
h1 { font-size: clamp(2.5rem, 5.4vw, 4.35rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3.05rem); line-height: 1.05; }
h3 { font-size: clamp(1.18rem, 1.7vw, 1.5rem); line-height: 1.18; letter-spacing: -0.025em; }
h4 { font-size: 1.02rem; letter-spacing: -0.015em; line-height: 1.3; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
::selection { background: rgba(33, 73, 232, 0.18); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 40px);
}

.container--wide { max-width: 1320px; }

.section { padding-block: clamp(64px, 8vw, 108px); }
.section--tight { padding-block: clamp(48px, 6vw, 76px); }
.section--paper { background: var(--paper); }
.section--surface { background: var(--surface); }
.section--top-line { border-top: 1px solid var(--line); }

.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: absolute;
  left: 20px;
  top: -60px;
  z-index: 200;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 100px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 14px; }

/* ---------- Shared type ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  flex: none;
}
.eyebrow--light { color: rgba(245, 243, 238, 0.62); }
.eyebrow--light::before { background: #7d93ff; }
.eyebrow--plain::before { display: none; }

.lede {
  font-size: clamp(1.02rem, 1.35vw, 1.18rem);
  line-height: 1.62;
  color: var(--muted);
  max-width: 56ch;
  text-wrap: pretty;
}
.lede--light { color: rgba(245, 243, 238, 0.66); }

.mono-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

.section-head {
  display: grid;
  gap: 18px;
  max-width: 720px;
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
  justify-items: center;
}
.section-head--center .lede { margin-inline: auto; }
.section-head--split {
  max-width: none;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  align-items: end;
  gap: 32px;
}
.section-head--split .lede { margin-left: auto; }

.mark {
  position: relative;
  white-space: nowrap;
  color: var(--blue);
}
.mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 0.09em;
  background: var(--copper);
  border-radius: 100px;
  opacity: 0.85;
}

/* ---------- Buttons / pills ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 100px;
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
    color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  white-space: nowrap;
}
.btn svg { flex: none; }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: var(--blue); transform: translateY(-2px); box-shadow: 0 14px 30px -16px rgba(33, 73, 232, 0.8); }
.btn--blue { background: var(--blue); color: #fff; }
.btn--blue:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 14px 30px -16px rgba(33, 73, 232, 0.9); }
.btn--ghost { border-color: var(--line-strong, rgba(10, 14, 21, 0.2)); color: var(--ink); background: transparent; }
.btn--ghost:hover { background: rgba(10, 14, 21, 0.05); border-color: rgba(10, 14, 21, 0.35); transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: #f0eee8; transform: translateY(-2px); }
.btn--on-dark { border-color: rgba(255, 255, 255, 0.28); color: #fff; background: transparent; }
.btn--on-dark:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.5); }
.btn--sm { padding: 11px 18px; font-size: 0.87rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.25s var(--ease);
}
.link-arrow svg { transition: transform 0.3s var(--ease); }
.link-arrow:hover { color: var(--ink); }
.link-arrow:hover svg { transform: translateX(4px); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.6);
  white-space: nowrap;
}
.tag--dark {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(245, 243, 238, 0.75);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(245, 243, 238, 0.82);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(250, 249, 245, 0.94);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}
.brand img,
.brand svg { width: 40px; height: 40px; object-fit: contain; }
.brand-text { display: grid; line-height: 1; }
.brand-name {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.brand-sub {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--muted-soft);
  margin-top: 5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  position: relative;
  padding: 9px 14px;
  border-radius: 100px;
  font-size: 0.92rem;
  color: var(--muted);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav a:hover { color: var(--ink); background: rgba(10, 14, 21, 0.04); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 500; }
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
}
.nav > .btn { display: none; }
.nav a.btn { color: #fff; }
.nav a.btn:hover { background: var(--blue); color: #fff; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  position: relative;
  transition: background 0.2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(44px, 6vw, 84px) clamp(40px, 5vw, 64px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -160px;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(33, 73, 232, 0.13), transparent 65%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(30px, 4.4vw, 64px);
  align-items: center;
  position: relative;
}
.hero-copy { display: grid; gap: 22px; justify-items: start; }
.hero h1 { max-width: 13ch; }
.hero .lede { max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px 18px;
  margin-top: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  width: 100%;
}
.hero-meta div { display: grid; gap: 3px; }
.hero-meta strong {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.hero-meta span {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 80% 10%, rgba(33, 73, 232, 0.28), transparent 60%),
    linear-gradient(155deg, #111827 0%, #0a1019 70%);
  padding: clamp(16px, 2.2vw, 26px);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/pattern.svg");
  opacity: 0.5;
  pointer-events: none;
}
.hero-visual img {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}
.hero-chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border-radius: 100px;
  background: rgba(248, 247, 243, 0.94);
  box-shadow: 0 12px 30px -14px rgba(0, 0, 0, 0.6);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
}
.hero-chip svg { width: 14px; height: 14px; color: var(--mint); }
.hero-chip--1 { top: 20%; left: -14px; }
.hero-chip--2 { bottom: 22%; right: -12px; }
.hero-chip--3 { bottom: 9%; left: 9%; }

.hero-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding-block: clamp(40px, 5.5vw, 72px) clamp(34px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -60% 55%;
  height: 460px;
  background: radial-gradient(circle, rgba(33, 73, 232, 0.1), transparent 68%);
  pointer-events: none;
}
.page-hero .container { position: relative; display: grid; gap: 20px; }
.page-hero h1 { max-width: 22ch; font-size: clamp(2.3rem, 4.8vw, 3.9rem); }
.page-hero .lede { max-width: 60ch; }
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-soft);
}
.breadcrumb a:hover { color: var(--ink); }

/* ---------- Tool marquee ---------- */
.toolbelt {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.5);
  padding-block: 20px;
  overflow: hidden;
  position: relative;
}
.toolbelt::before,
.toolbelt::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 90px;
  z-index: 2;
  pointer-events: none;
}
.toolbelt::before { left: 0; background: linear-gradient(90deg, var(--paper), transparent); }
.toolbelt::after { right: 0; background: linear-gradient(270deg, var(--paper), transparent); }
.marquee { display: flex; width: max-content; animation: marquee 38s linear infinite; }
.marquee-group {
  display: flex;
  align-items: center;
  gap: clamp(30px, 4vw, 58px);
  padding-right: clamp(30px, 4vw, 58px);
}
.marquee-group span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: #2b3442;
  white-space: nowrap;
  opacity: 0.72;
}
.marquee-group span::after {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--copper);
}
.toolbelt-label {
  text-align: center;
  margin-bottom: 16px;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.stat {
  padding: 28px 26px 4px 0;
  display: grid;
  gap: 8px;
  align-content: start;
}
.stat + .stat { padding-left: 26px; border-left: 1px solid var(--line); }
.stat-value {
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-label {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.4;
  max-width: 24ch;
}

/* ---------- Bento services ---------- */
.bento {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 20px;
  margin-top: clamp(36px, 4.5vw, 56px);
}
.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--line);
  box-shadow: 0 34px 60px -40px rgba(10, 14, 21, 0.55);
}
.service-card--feature { grid-row: span 2; }
.service-card--wide { display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(0, 1fr); }

.service-art {
  position: relative;
  min-height: 220px;
  background: #0b1220;
  overflow: hidden;
}
.service-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.service-card:hover .service-art img { transform: scale(1.035); }
.service-card--feature .service-art { flex: 1; min-height: 250px; }
.service-card--wide .service-art { min-height: 100%; }

.service-body {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 2.4vw, 30px);
  align-content: start;
}
.service-body h3 { max-width: 18ch; }
.service-card--wide .service-body h3 { max-width: 20ch; }
.service-body p {
  font-size: 0.94rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 44ch;
}
.service-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted-soft);
}
.service-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.service-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-list span {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
  color: var(--muted-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 3px 6px;
}
.more-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* ---------- Split feature ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.split-copy { display: grid; gap: 20px; justify-items: start; }
.split-copy h2 { max-width: 20ch; }
.checklist { display: grid; gap: 14px; width: 100%; }
.checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.checklist li:first-child { border-top: none; padding-top: 0; }
.check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(33, 73, 232, 0.09);
  color: var(--blue);
  flex: none;
  margin-top: 2px;
}
.check-icon svg { width: 11px; height: 11px; }
.checklist strong { font-weight: 600; font-size: 0.98rem; display: block; margin-bottom: 2px; }
.checklist p { font-size: 0.9rem; color: var(--muted); line-height: 1.55; }

.tech-panel {
  position: relative;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--paper);
  padding: clamp(24px, 3vw, 36px);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}
.tech-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/pattern.svg");
  opacity: 0.7;
}
.tech-panel > * { position: relative; }
.tech-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245, 243, 238, 0.55);
}
.tech-rows { display: grid; }
.tech-row {
  display: grid;
  grid-template-columns: 98px 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 0.9rem;
}
.tech-row:last-child { border-bottom: none; padding-bottom: 0; }
.tech-row span:first-child {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 243, 238, 0.45);
}
.tech-row span:last-child {
  font-family: var(--mono);
  font-size: 10.5px;
  color: #9db2ff;
  white-space: nowrap;
}
.tech-panel-foot {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8rem;
  color: rgba(245, 243, 238, 0.6);
}
.tech-panel-foot .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.14);
  flex: none;
}

/* ---------- Process ---------- */
.process {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  border-radius: clamp(20px, 3vw, 34px);
  padding: clamp(38px, 5vw, 68px);
  overflow: hidden;
}
.process::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/pattern.svg");
  opacity: 0.55;
  pointer-events: none;
}
.process::after {
  content: "";
  position: absolute;
  top: -180px;
  right: -120px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(33, 73, 232, 0.35), transparent 65%);
  pointer-events: none;
}
.process > * { position: relative; }
.process .section-head { max-width: 640px; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin-top: clamp(32px, 4vw, 52px);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.step {
  padding: 24px 20px 4px 0;
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
}
.step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 26px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
}
.step + .step { padding-left: 20px; border-left: 1px solid rgba(255, 255, 255, 0.1); }
.step-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: #8fa4ff;
}
.step h3 { font-size: 1.02rem; letter-spacing: -0.015em; color: #fff; }
.step p { font-size: 0.84rem; line-height: 1.55; color: rgba(245, 243, 238, 0.6); }
.step-meta {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 243, 238, 0.38);
  margin-top: 2px;
}
.process-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 26px;
  justify-content: space-between;
  margin-top: clamp(28px, 3.4vw, 44px);
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.86rem;
  color: rgba(245, 243, 238, 0.55);
}

/* ---------- Knowledge tabs ---------- */
.tabs-wrap { margin-top: clamp(30px, 3.6vw, 46px); }
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.tab {
  border: 1px solid transparent;
  background: transparent;
  padding: 10px 16px;
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.22s var(--ease);
}
.tab:hover { color: var(--ink); background: rgba(10, 14, 21, 0.04); }
.tab[aria-selected="true"] { background: var(--ink); color: #fff; }
.tab-panels { padding-top: clamp(26px, 3vw, 38px); }
.tab-panel[hidden] { display: none; }
.tab-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: start;
  animation: fadeUp 0.4s var(--ease) both;
}
.knowledge-copy { display: grid; gap: 18px; }
.knowledge-copy h3 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); max-width: 24ch; }
.knowledge-copy p { color: var(--muted); font-size: 0.95rem; max-width: 56ch; }
.knowledge-points { display: grid; gap: 10px; margin-top: 4px; }
.knowledge-points li {
  list-style: none;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  font-size: 0.9rem;
  color: #39424f;
  line-height: 1.5;
}
.knowledge-points li::before {
  content: "→";
  font-family: var(--mono);
  color: var(--blue);
  font-size: 0.85rem;
  line-height: 1.45;
}
.spec-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.spec-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: #faf9f6;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-soft);
}
.spec-table { display: grid; }
.spec-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.87rem;
  align-items: baseline;
}
.spec-row:last-child { border-bottom: none; }
.spec-row span:first-child { color: var(--muted); }
.spec-row strong { font-weight: 600; font-size: 0.87rem; text-align: right; }
.spec-card-note {
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  background: #faf9f6;
  font-size: 0.78rem;
  color: var(--muted-soft);
  line-height: 1.5;
}

/* ---------- Standards strip ---------- */
.standards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.standard {
  background: var(--surface);
  padding: 22px 24px;
  display: grid;
  gap: 8px;
  align-content: start;
}
.standard strong { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; color: var(--ink); }
.standard span { font-size: 0.84rem; color: var(--muted); line-height: 1.5; }

/* ---------- Team ---------- */
.team-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.avatar-stack { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.avatars { display: flex; }
.avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: #fff;
  background: linear-gradient(145deg, #233250, #0f1724);
  border: 2.5px solid var(--paper);
  margin-left: -12px;
}
.avatar:first-child { margin-left: 0; }
.avatar:nth-child(2n) { background: linear-gradient(145deg, #b5763f, #7c4a26); }
.avatar:nth-child(3n) { background: linear-gradient(145deg, #2149e8, #132c8f); }
.avatar:nth-child(4n) { background: linear-gradient(145deg, #16755f, #0b4438); }
.avatar--lg { width: 62px; height: 62px; font-size: 13px; border-color: #fff; }
.team-band p { font-size: 0.88rem; color: var(--muted); max-width: 30ch; flex: 1 1 240px; min-width: 200px; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  border-radius: clamp(20px, 3vw, 34px);
  background:
    radial-gradient(120% 140% at 90% 10%, rgba(33, 73, 232, 0.55), transparent 55%),
    linear-gradient(150deg, #0d1524, #0a0e15 65%);
  color: var(--paper);
  padding: clamp(34px, 4.6vw, 60px);
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/pattern.svg");
  opacity: 0.65;
}
.cta-band-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}
.cta-band h2 { max-width: 18ch; }
.cta-band p { color: rgba(245, 243, 238, 0.66); margin-top: 14px; max-width: 46ch; font-size: 0.96rem; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.cta-actions .btn { width: 100%; }
.cta-email {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: rgba(245, 243, 238, 0.6);
  text-align: center;
  width: 100%;
}
.cta-email:hover { color: #fff; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(245, 243, 238, 0.7);
  padding-block: clamp(48px, 6vw, 72px) 28px;
  margin-top: clamp(48px, 6vw, 80px);
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.7fr));
  gap: clamp(28px, 4vw, 56px);
}
.footer-brand { display: grid; gap: 16px; align-content: start; justify-items: start; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: rgba(245, 243, 238, 0.45); }
.footer-brand .brand img {
  background: var(--paper);
  border-radius: 10px;
  padding: 3px;
  box-sizing: border-box;
}
.footer-brand p { font-size: 0.87rem; line-height: 1.6; max-width: 34ch; color: rgba(245, 243, 238, 0.55); }
.footer-mail {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9rem;
  color: #9db2ff;
  border-bottom: 1px solid rgba(157, 178, 255, 0.3);
  padding-bottom: 2px;
}
.footer-mail:hover { color: #fff; border-color: #fff; }
.footer-col h4 {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: rgba(245, 243, 238, 0.42);
  margin-bottom: 16px;
}
.footer-col ul { display: grid; gap: 10px; list-style: none; }
.footer-col a { font-size: 0.87rem; color: rgba(245, 243, 238, 0.72); transition: color 0.2s var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: clamp(36px, 4vw, 52px);
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 243, 238, 0.38);
}
.footer-bottom .dot { color: rgba(255, 255, 255, 0.2); margin-inline: 6px; }

/* ---------- Services page ---------- */
.svc-list { display: grid; gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
.svc {
  background: var(--paper);
  display: grid;
  grid-template-columns: 78px minmax(0, 0.92fr) minmax(0, 1.08fr) minmax(0, 0.8fr);
  gap: clamp(18px, 3vw, 40px);
  padding: clamp(26px, 3.4vw, 40px) 0;
  align-items: start;
  transition: background 0.3s var(--ease);
}
.svc:hover { background: rgba(255, 255, 255, 0.55); }
.svc-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted-soft);
  padding-top: 5px;
}
.svc-title { display: grid; gap: 8px; }
.svc-title h3 { max-width: 20ch; }
.svc-title .mono-label { font-size: 9px; }
.svc-desc { display: grid; gap: 12px; }
.svc-desc p { font-size: 0.92rem; color: var(--muted); line-height: 1.6; }
.svc-deliverables { display: grid; gap: 8px; }
.svc-deliverables li {
  list-style: none;
  font-size: 0.82rem;
  color: #3b4350;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  line-height: 1.45;
}
.svc-deliverables li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--copper);
  margin-top: 0.55em;
}

.deep-dive {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
}
.deep-dive-art {
  border-radius: var(--radius);
  overflow: hidden;
  background: #0c1220;
  border: 1px solid var(--line);
}
.deep-dive-art img { width: 100%; height: auto; }
.density-table { display: grid; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.density-row {
  display: grid;
  grid-template-columns: 92px repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 12px 16px;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}
.density-row:last-child { border-bottom: none; }
.density-row--head {
  background: #faf9f6;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-soft);
}
.density-row strong { font-weight: 600; }
.density-row span { color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { display: grid; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-button {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.faq-icon {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line-strong, rgba(10, 14, 21, 0.18));
  display: grid;
  place-items: center;
  position: relative;
  margin-top: 1px;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.3s var(--ease), background 0.25s var(--ease);
}
.faq-icon::before { width: 10px; height: 1.4px; }
.faq-icon::after { width: 1.4px; height: 10px; }
.faq-button[aria-expanded="true"] .faq-icon { background: var(--ink); color: #fff; border-color: var(--ink); }
.faq-button[aria-expanded="true"] .faq-icon::after { transform: rotate(90deg); }
.faq-panel {
  overflow: hidden;
  transition: height 0.35s var(--ease);
}
.faq-panel p {
  padding: 0 56px 24px 0;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.65;
  max-width: 74ch;
}

/* ---------- Team page ---------- */
.ceo-card {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  margin-top: clamp(30px, 4vw, 44px);
  box-shadow: var(--shadow-card);
}
.ceo-art {
  position: relative;
  background:
    radial-gradient(100% 100% at 20% 10%, rgba(33, 73, 232, 0.5), transparent 60%),
    linear-gradient(160deg, #131d2e, #0a0e15);
  display: grid;
  place-items: center;
  padding: clamp(28px, 4vw, 48px);
  min-height: 320px;
  overflow: hidden;
}
.ceo-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/pattern.svg");
  opacity: 0.7;
}
.ceo-art-inner { position: relative; display: grid; justify-items: center; gap: 16px; text-align: center; }
.ceo-art-inner .avatar--lg { width: 108px; height: 108px; font-size: 26px; border-width: 3px; background: linear-gradient(145deg, #2a3f66, #101a2b); }
.ceo-art-inner .mono-label { color: rgba(245, 243, 238, 0.5); }
.ceo-body { padding: clamp(26px, 3.4vw, 44px); display: grid; gap: 18px; align-content: center; }
.ceo-body h3 { font-size: clamp(1.5rem, 2.2vw, 1.9rem); }
.ceo-role {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
}
.ceo-body p { font-size: 0.95rem; color: var(--muted); line-height: 1.65; max-width: 56ch; }
.ceo-quote {
  border-left: 2px solid var(--copper);
  padding-left: 16px;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--ink-soft);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(30px, 4vw, 44px);
}
.member {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 24px 22px 22px;
  display: grid;
  gap: 14px;
  align-content: start;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.member:hover {
  transform: translateY(-3px);
  border-color: var(--line);
  box-shadow: var(--shadow-card);
}
.member-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.member .avatar { width: 52px; height: 52px; margin: 0; border: none; font-size: 13px; }
.member-idx { font-family: var(--mono); font-size: 9.5px; color: var(--muted-soft); }
.member h4 { font-size: 1.02rem; letter-spacing: -0.02em; }
.member-role {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--muted);
  min-height: 2.4em;
}
.member-tags { display: flex; flex-wrap: wrap; gap: 5px; padding-top: 4px; border-top: 1px solid var(--line-soft); }
.member-tags span {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-soft);
  background: rgba(10, 14, 21, 0.035);
  border-radius: 4px;
  padding: 3px 6px;
}

.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: clamp(28px, 3.4vw, 40px); }
.principle {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}
.principle-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--blue);
  background: rgba(33, 73, 232, 0.08);
  flex: none;
}
.principle h3 { font-size: 1rem; margin-bottom: 6px; }
.principle p { font-size: 0.87rem; color: var(--muted); line-height: 1.6; }

/* ---------- Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}
.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 3.2vw, 40px);
  box-shadow: var(--shadow-card);
}
.form-head { display: grid; gap: 8px; margin-bottom: 26px; }
.form-head h2 { font-size: clamp(1.4rem, 2vw, 1.7rem); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: grid; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.field label .req { color: var(--copper); }
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font);
  font-size: 0.93rem;
  color: var(--ink);
  background: #fbfaf7;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%235d6675' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(33, 73, 232, 0.12);
}
.field input::placeholder,
.field textarea::placeholder { color: #9aa2ae; }
.field-error {
  font-size: 0.78rem;
  color: #b3261e;
  display: none;
}
.field.has-error input,
.field.has-error textarea,
.field.has-error select { border-color: #b3261e; }
.field.has-error .field-error { display: block; }
.form-foot { display: grid; gap: 12px; margin-top: 22px; }
.form-note { font-size: 0.78rem; color: var(--muted-soft); line-height: 1.5; }
.form-status {
  display: none;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 10px;
  background: rgba(14, 124, 102, 0.08);
  border: 1px solid rgba(14, 124, 102, 0.25);
  font-size: 0.86rem;
  color: #0a5c4c;
  line-height: 1.5;
  margin-top: 16px;
}
.form-status.is-visible { display: block; }

.contact-aside { display: grid; gap: 16px; align-content: start; }
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 26px;
  display: grid;
  gap: 14px;
}
.contact-card--dark {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.contact-card--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/pattern.svg");
  opacity: 0.6;
}
.contact-card--dark > * { position: relative; }
.contact-card h3 { font-size: 1.1rem; }
.contact-card p { font-size: 0.87rem; color: var(--muted); line-height: 1.6; }
.contact-card--dark p { color: rgba(245, 243, 238, 0.6); }
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  word-break: break-word;
}
.contact-card--dark .contact-email { color: #9db2ff; }
.contact-email:hover { color: var(--blue); }
.contact-list { display: grid; gap: 10px; list-style: none; }
.contact-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.5;
}
.contact-list svg { width: 14px; height: 14px; color: var(--blue); margin-top: 3px; flex: none; }

.check-card { display: grid; gap: 12px; }
.check-card h4 { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-soft); }
.check-card ol { display: grid; gap: 12px; list-style: none; counter-reset: c; }
.check-card li {
  counter-increment: c;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  font-size: 0.86rem;
  color: #3b4350;
  line-height: 1.5;
}
.check-card li::before {
  content: counter(c, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--copper);
  padding-top: 2px;
}

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero h1 { max-width: 18ch; }
  .hero-visual { max-width: 640px; }
  .hero-chip--1 { left: 8px; }
  .hero-chip--2 { right: 8px; }
  .bento { grid-template-columns: 1fr; }
  .service-card--feature { grid-row: auto; }
  .service-card--feature .service-art { min-height: 300px; }
  .service-card--wide { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr); }
  .process-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; }
  .step { border-left: none; padding-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.1); }
  .team-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .svc { grid-template-columns: 54px minmax(0, 1fr) minmax(0, 1.15fr); }
  .svc-deliverables { grid-column: 2 / -1; grid-template-columns: repeat(2, minmax(0, 1fr)); display: grid; }
  .footer-grid { grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(0, 0.7fr)); }
}

@media (max-width: 880px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn { display: none; }
  .site-header.is-open .nav {
    display: grid;
    position: fixed;
    inset: 76px 0 auto 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 18px clamp(20px, 4vw, 40px) 28px;
    gap: 2px;
    animation: fadeUp 0.25s var(--ease);
    box-shadow: 0 30px 40px -30px rgba(10, 14, 21, 0.4);
  }
  .site-header.is-open .nav a { padding: 13px 2px; font-size: 1.05rem; border-radius: 0; }
  .site-header.is-open .nav a + a { border-top: 1px solid var(--line-soft); }
  .site-header.is-open .nav a[aria-current="page"]::after { display: none; }
  .site-header.is-open .nav .btn { display: inline-flex; margin-top: 16px; width: 100%; }

  .section-head--split { grid-template-columns: 1fr; }
  .section-head--split .lede { margin-left: 0; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { border-left: none; padding-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .stat { padding-block: 24px; }
  .split { grid-template-columns: 1fr; }
  .tab-panel { grid-template-columns: 1fr; }
  .cta-band-inner { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .cta-actions .btn { width: auto; }
  .cta-email { width: auto; text-align: left; }
  .standards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .deep-dive { grid-template-columns: 1fr; }
  .deep-dive-art { order: 2; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-aside { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-aside > :first-child { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .ceo-card { grid-template-columns: 1fr; }
  .ceo-art { min-height: 240px; }
  .svc { grid-template-columns: 44px minmax(0, 1fr); }
  .svc-desc { grid-column: 2; }
  .svc-deliverables { grid-column: 2; }
}

@media (max-width: 700px) {
  body { font-size: 16px; }
  .header-inner { min-height: 68px; }
  .site-header.is-open .nav { inset: 68px 0 auto 0; }
  .hero-chip { font-size: 0.7rem; padding: 7px 10px; }
  .hero-chip--3 { display: none; }
  .hero-strip { font-size: 9px; gap: 8px 16px; }
  .service-card--wide { display: flex; flex-direction: column; }
  .service-card--wide .service-art { min-height: 210px; }
  .process { padding: 30px 22px; border-radius: 22px; }
  .process-steps { grid-template-columns: 1fr; column-gap: 0; }
  .step { padding: 18px 0 8px; border-left: none; }
  .team-band { align-items: flex-start; }
  .avatar-stack { flex-direction: column; align-items: flex-start; gap: 12px; }
  .team-band p { max-width: 42ch; flex: 0 1 auto; }
  .process-foot { font-size: 0.8rem; }
  .standards { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .member-role { min-height: 0; }
  .principles { grid-template-columns: 1fr; }
  .contact-aside { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr; gap: 12px; padding-block: 26px; }
  .svc-num { padding-top: 0; }
  .svc-desc, .svc-deliverables { grid-column: 1; }
  .svc-deliverables { grid-template-columns: 1fr; }
  .density-row { grid-template-columns: 64px repeat(3, minmax(0, 1fr)); font-size: 0.75rem; padding: 10px 12px; gap: 6px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { font-size: 8.5px; }
  .tech-row { grid-template-columns: 62px 1fr; }
  .tech-row span:last-child { grid-column: 2; justify-self: start; }
  .faq-panel p { padding-right: 0; }
  .cta-band { padding: 30px 22px; }
  .ceo-body { padding: 24px 20px; }
  .ceo-art { min-height: 210px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .marquee { animation: none; }
  .toolbelt { overflow-x: auto; }
}