/* ============================================================
   JAAM Group International — jaam.group
   Design system v2 · 2026-07-09
   Self-hosted fonts, no external dependencies.
   ============================================================ */

/* ---------- Fonts ---------- */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("assets/fonts/inter-var-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("assets/fonts/source-serif-4-var-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Tokens ---------- */

:root {
  color-scheme: light;

  --ink-950: #071220;
  --ink-900: #0a1928;
  --ink-850: #0d2033;
  --ink-800: #122a40;
  --ink-700: #16324c;
  --text: #16242f;
  --muted: #4e5f6b;
  --faint: #7a8b96;

  --paper: #f7f6f1;
  --surface: #fffefb;
  --quiet: #efede6;
  --line: #e4e2d8;
  --line-strong: #d2cfc2;

  --blue-700: #175a92;
  --blue-600: #1e6cab;
  --blue-500: #2f83c4;
  --blue-300: #7cb5de;
  --blue-100: #d7e8f4;
  --gold: #b08a3c;
  --gold-soft: #d4b26a;
  --teal: #187a72;

  --on-dark-text: #e9f0f6;
  --on-dark-muted: #a7bac8;
  --on-dark-faint: #7690a3;
  --on-dark-line: rgba(167, 186, 200, 0.16);

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
    Roboto, sans-serif;
  --font-serif: "Source Serif 4", "Iowan Old Style", Georgia, "Times New Roman",
    serif;

  --radius: 8px;
  --radius-lg: 14px;
  --shadow-sm: 0 6px 22px rgba(10, 25, 40, 0.07);
  --shadow-md: 0 16px 44px rgba(10, 25, 40, 0.11);
  --shadow-lg: 0 32px 80px rgba(7, 18, 32, 0.35);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 200ms var(--ease-out);
  --t-med: 420ms var(--ease-out);
  --header-h: 76px;
}

/* ---------- Base ---------- */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--blue-600);
  color: #ffffff;
}

h1,
h2,
h3,
p,
ul,
ol,
figure {
  margin: 0;
}

.container {
  width: min(1160px, 100% - 48px);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 14px;
  left: 14px;
  padding: 12px 18px;
  background: var(--ink-900);
  border-radius: 6px;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  transform: translateY(-220%);
  transition: transform var(--t-fast);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- Typography ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--blue-600);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 26px;
  height: 1.5px;
  flex: none;
  background: currentColor;
  content: "";
  transform-origin: left center;
}

.on-dark .eyebrow {
  color: var(--blue-300);
}

h1,
h2 {
  font-family: var(--font-serif);
  font-weight: 580;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

h1 {
  font-size: clamp(2.75rem, 5.8vw, 4.75rem);
  line-height: 1.04;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(1.9rem, 3.4vw, 2.85rem);
  line-height: 1.12;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink-900);
  font-size: 1.13rem;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.on-dark h1,
.on-dark h2,
.on-dark h3 {
  color: #ffffff;
}

.lead {
  max-width: 640px;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.75;
}

.on-dark .lead {
  color: var(--on-dark-muted);
}

/* ---------- Buttons ---------- */

.button {
  position: relative;
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast),
    color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}

.button .arrow {
  display: inline-block;
  transition: transform var(--t-fast);
}

.button:hover .arrow {
  transform: translateX(4px);
}

.button.primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(30, 108, 171, 0.35);
}

.button.primary:hover {
  box-shadow: 0 16px 40px rgba(30, 108, 171, 0.5);
  transform: translateY(-2px);
}

.button.primary:active {
  transform: translateY(0);
}

.button.ghost {
  border-color: rgba(233, 240, 246, 0.35);
  color: var(--on-dark-text);
}

.button.ghost:hover {
  background: rgba(233, 240, 246, 0.08);
  border-color: rgba(233, 240, 246, 0.6);
  transform: translateY(-2px);
}

.button.outline {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink-900);
}

.button.outline:hover {
  border-color: var(--blue-600);
  color: var(--blue-700);
  transform: translateY(-2px);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(247, 246, 241, 0.85);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(16, 38, 58, 0.09);
  transition: background var(--t-fast), box-shadow var(--t-fast);
}

.site-header.scrolled {
  background: rgba(247, 246, 241, 0.95);
  box-shadow: 0 10px 36px rgba(10, 25, 40, 0.09);
}

.header-inner {
  display: flex;
  width: min(1240px, 100% - 48px);
  min-height: var(--header-h);
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: none;
}

.brand-logo {
  display: block;
  width: 168px;
  height: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 0.88rem;
  font-weight: 550;
  color: var(--muted);
}

.primary-nav a:not(.nav-cta) {
  position: relative;
  padding: 10px 0;
  transition: color var(--t-fast);
}

.primary-nav a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--blue-600);
  content: "";
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 280ms var(--ease-out);
}

.primary-nav a:not(.nav-cta):hover,
.primary-nav a.active {
  color: var(--ink-900);
}

.primary-nav a:not(.nav-cta):hover::after,
.primary-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.nav-cta {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  border: 1px solid var(--ink-900);
  border-radius: var(--radius);
  background: var(--ink-900);
  color: #ffffff;
  transition: background var(--t-fast), border-color var(--t-fast),
    transform var(--t-fast);
}

.nav-cta:hover {
  background: var(--blue-600);
  border-color: var(--blue-600);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  position: relative;
  z-index: 120;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(16, 38, 58, 0.22);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink-900);
  transition: transform 300ms var(--ease-out), opacity 200ms var(--ease-out),
    top 300ms var(--ease-out);
}

.menu-toggle span:nth-child(1) { top: 16px; }
.menu-toggle span:nth-child(2) { top: 22px; }
.menu-toggle span:nth-child(3) { top: 28px; }

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  top: 22px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  top: 22px;
  transform: rotate(-45deg);
}

/* ---------- Sections ---------- */

.section {
  position: relative;
  padding: clamp(84px, 9vw, 136px) 0;
  scroll-margin-top: var(--header-h);
}

.section-head {
  max-width: 760px;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-head .lead {
  margin-top: 14px;
}

.split-head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.split-head .lead {
  padding-bottom: 6px;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(84px, 9vw, 130px) 0 clamp(60px, 6vw, 88px);
  background: linear-gradient(180deg, #fdfcf9 0%, var(--paper) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-bg::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(16, 47, 74, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 47, 74, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 60% 10%, #000 25%, transparent 72%);
  mask-image: radial-gradient(ellipse 90% 80% at 60% 10%, #000 25%, transparent 72%);
}

.hero-art {
  position: absolute;
  top: -40px;
  right: -60px;
  width: min(56vw, 780px);
  height: auto;
  opacity: 0.9;
}

.hero-bg .glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: glow-drift 26s ease-in-out infinite alternate;
}

.hero-bg .glow-1 {
  top: -220px;
  right: -140px;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(31, 108, 171, 0.16), transparent 65%);
}

.hero-bg .glow-2 {
  bottom: -260px;
  left: -180px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(176, 138, 60, 0.12), transparent 65%);
  animation-delay: -13s;
}

@keyframes glow-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-60px, 50px, 0) scale(1.12); }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.82fr);
  gap: clamp(48px, 6vw, 88px);
  align-items: center;
}

.hero-copy .eyebrow {
  color: var(--blue-700);
}

.hero h1 {
  max-width: 700px;
  margin-bottom: 26px;
  color: var(--ink-900);
}

.hero h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--blue-600);
}

.hero-sub {
  max-width: 620px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.6vw, 1.22rem);
  line-height: 1.7;
}

.hero-sub strong {
  color: var(--ink-800);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: start;
  gap: 14px 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line-strong);
  list-style: none;
  padding-left: 0;
}

@media (max-width: 560px) {
  .hero-facts {
    grid-template-columns: 1fr;
  }
}

.hero-facts li {
  display: grid;
  gap: 1px;
}

.hero-facts strong {
  color: var(--ink-900);
  font-size: 1.02rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.hero-facts span {
  color: var(--faint);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* Staged entrance */

.js .hero-copy > * {
  animation: rise-in 800ms var(--ease-out) both;
}

.js .hero-copy > :nth-child(1) { animation-delay: 100ms; }
.js .hero-copy > :nth-child(2) { animation-delay: 190ms; }
.js .hero-copy > :nth-child(3) { animation-delay: 300ms; }
.js .hero-copy > :nth-child(4) { animation-delay: 410ms; }
.js .hero-copy > :nth-child(5) { animation-delay: 540ms; }

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Hero panel: delivery architecture ---------- */

.delivery-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 3vw, 38px);
  background: linear-gradient(165deg, rgba(18, 42, 64, 0.92), rgba(10, 25, 40, 0.96));
  border: 1px solid rgba(124, 181, 222, 0.22);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.js .delivery-panel {
  animation: panel-in 900ms 320ms var(--ease-out) both;
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.delivery-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-300), transparent);
  content: "";
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 24px;
}

.panel-label {
  color: var(--on-dark-faint);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.panel-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #8fd0c9;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.panel-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4fb3a9;
  animation: pulse 3.2s ease-out infinite;
}

@keyframes pulse {
  0%, 25% { box-shadow: 0 0 0 0 rgba(79, 179, 169, 0.45); }
  70%, 100% { box-shadow: 0 0 0 9px rgba(79, 179, 169, 0); }
}

.delivery-panel h2 {
  margin-bottom: 26px;
  color: #ffffff;
  font-size: clamp(1.45rem, 2vw, 1.8rem);
  line-height: 1.22;
}

.phases {
  display: grid;
  gap: 0;
  list-style: none;
  padding: 0;
}

.phase {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 17px 4px;
  border-top: 1px solid var(--on-dark-line);
  border-radius: 6px;
  transition: background var(--t-fast);
}

.phase-num {
  color: var(--on-dark-faint);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 2;
  transition: color var(--t-fast);
}

.phase strong {
  display: block;
  color: var(--on-dark-muted);
  font-size: 0.99rem;
  font-weight: 640;
  transition: color var(--t-fast);
}

.phase small {
  display: block;
  margin-top: 3px;
  color: var(--on-dark-faint);
  font-size: 0.83rem;
  line-height: 1.55;
}

.phase .phase-bar {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 1.5px;
  overflow: hidden;
  border-radius: 2px;
}

.phase .phase-bar i {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-300));
  transform: scaleX(0);
  transform-origin: left center;
}

.phase.is-active .phase-num,
.phase.is-active strong {
  color: #ffffff;
}

.phase.is-active {
  background: rgba(124, 181, 222, 0.06);
}

.phase.is-active .phase-bar i {
  animation: phase-fill var(--phase-ms, 3400ms) linear forwards;
}

@keyframes phase-fill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.panel-foot {
  margin-top: 22px;
  color: var(--on-dark-faint);
  font-size: 0.79rem;
  line-height: 1.6;
}

/* ---------- Credential ticker ---------- */

.ticker-band {
  overflow: hidden;
  padding: 18px 0;
  background: var(--ink-900);
  border-top: 1px solid var(--on-dark-line);
  border-bottom: 1px solid var(--on-dark-line);
}

.ticker {
  display: flex;
  width: max-content;
  gap: 0;
  animation: ticker-scroll 46s linear infinite;
}

.ticker-band:hover .ticker {
  animation-play-state: paused;
}

.ticker-group {
  display: flex;
  align-items: center;
  flex: none;
}

.ticker-group span {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  padding: 0 26px;
  color: var(--on-dark-muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ticker-group span::after {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold-soft);
  content: "";
  opacity: 0.75;
}

@keyframes ticker-scroll {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

/* ---------- Reveal-on-scroll ---------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: calc(var(--i, 0) * 90ms);
  will-change: opacity, transform;
}

.js [data-reveal].in-view {
  opacity: 1;
  transform: none;
}

/* ---------- Services ---------- */

.services {
  background: var(--paper);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 250px;
  padding: 30px 28px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color var(--t-fast), box-shadow var(--t-med),
    transform var(--t-med);
}

.service-card::after {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-600), var(--blue-300));
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 420ms var(--ease-out);
}

.service-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 34px;
}

.card-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  background: var(--blue-100);
  border-radius: 10px;
  color: var(--blue-700);
  transition: background var(--t-fast), color var(--t-fast),
    transform var(--t-med);
}

.service-card:hover .card-icon {
  background: var(--blue-600);
  color: #ffffff;
  transform: translateY(-2px);
}

.card-num {
  color: var(--faint);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.service-card p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

/* ---------- Approach ---------- */

.approach {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.approach-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(380px, 1.2fr);
  gap: clamp(48px, 7vw, 104px);
  align-items: start;
}

.sticky-col {
  position: sticky;
  top: calc(var(--header-h) + 40px);
}

.sticky-col .lead {
  margin-top: 14px;
}

.steps {
  position: relative;
  list-style: none;
  padding: 0;
}

.steps::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 23px;
  width: 1.5px;
  background: var(--line);
  content: "";
}

.steps .steps-progress {
  position: absolute;
  top: 8px;
  left: 23px;
  width: 1.5px;
  height: 0;
  background: linear-gradient(180deg, var(--blue-500), var(--blue-700));
  transition: height 220ms linear;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  padding: 26px 0;
}

.step-marker {
  position: relative;
  z-index: 1;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  background: var(--surface);
  border: 1.5px solid var(--line-strong);
  border-radius: 50%;
  color: var(--faint);
  font-size: 0.78rem;
  font-weight: 700;
  transition: border-color var(--t-fast), color var(--t-fast),
    background var(--t-fast), box-shadow var(--t-fast);
}

.step.in-view .step-marker {
  border-color: var(--blue-600);
  color: var(--blue-700);
  box-shadow: 0 0 0 5px rgba(30, 108, 171, 0.1);
}

.step h3 {
  margin-bottom: 6px;
  font-size: 1.22rem;
}

.step p {
  color: var(--muted);
  font-size: 0.97rem;
}

.step .step-note {
  display: inline-block;
  margin-top: 10px;
  color: var(--blue-700);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- Audience (who this is for) ---------- */

.audience-section {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.audience-card {
  padding: 26px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color var(--t-fast), box-shadow var(--t-med),
    transform var(--t-med);
}

.audience-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}

.audience-card h3 {
  margin-bottom: 8px;
  font-size: 1.04rem;
}

.audience-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.solo-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1.15fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  margin-top: clamp(40px, 5vw, 56px);
}

.solo-photo {
  margin: 0;
}

.solo-label {
  margin-bottom: 14px;
  color: var(--blue-700);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.solo-statement {
  max-width: 560px;
  margin-bottom: 16px;
  color: var(--ink-900);
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 560;
  line-height: 1.25;
  letter-spacing: -0.005em;
}

.solo-body {
  max-width: 560px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.7;
}

@media (max-width: 1020px) {
  .solo-panel {
    grid-template-columns: 1fr;
  }

  .solo-photo {
    max-width: 560px;
  }
}

.audience-line {
  max-width: 760px;
  margin-top: 30px;
  color: var(--ink-800);
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 540;
  line-height: 1.45;
}

/* ---------- Offer (typical engagement) ---------- */

.offer-section {
  background: var(--paper);
}

.offer-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: clamp(36px, 5vw, 72px);
  padding: clamp(32px, 4.5vw, 56px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

.offer-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-600), var(--blue-300));
  content: "";
}

.offer-list {
  display: grid;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}

.offer-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 17px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.65;
}

.offer-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.offer-num {
  color: var(--blue-700);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 2.1;
}

.offer-list strong {
  color: var(--ink-900);
  font-weight: 640;
}

.offer-side {
  display: grid;
  gap: 20px;
  align-content: start;
  padding: 26px 24px;
  background: var(--quiet);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.offer-fact strong {
  display: block;
  color: var(--ink-900);
  font-size: 1.06rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.offer-fact span {
  color: var(--faint);
  font-size: 0.82rem;
}

.offer-side .button {
  margin-top: 6px;
}

.offer-note {
  max-width: 820px;
  margin-top: 20px;
  color: var(--faint);
  font-size: 0.86rem;
  line-height: 1.65;
}

/* ---------- Operating stack ---------- */

.stack-section {
  background: var(--quiet);
  border-block: 1px solid var(--line);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.stack-card {
  position: relative;
  overflow: hidden;
  padding: 28px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color var(--t-fast), box-shadow var(--t-med),
    transform var(--t-med);
}

.stack-card::after {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-600), var(--blue-300));
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 420ms var(--ease-out);
}

.stack-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.stack-card:hover::after,
.stack-card.accent::after {
  transform: scaleX(1);
}

.stack-card .card-icon {
  margin-bottom: 22px;
}

.stack-tag {
  display: block;
  margin-bottom: 6px;
  color: var(--faint);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stack-card h3 {
  margin-bottom: 8px;
  font-size: 1.18rem;
}

.stack-card p {
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.65;
}

.stack-lists {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.stack-panel {
  padding: 30px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.stack-panel h3 {
  margin-bottom: 18px;
  font-size: 1.05rem;
}

.check-list {
  display: grid;
  gap: 0;
  list-style: none;
  padding: 0;
}

.check-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.6;
}

.check-list li strong {
  color: var(--ink-800);
  font-weight: 600;
}

.check-list .tick {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  margin-top: 2px;
  background: var(--blue-100);
  border-radius: 50%;
  color: var(--blue-700);
}

.auto-panel {
  position: relative;
  overflow: hidden;
  margin-top: 18px;
  padding: 32px 30px;
  background: linear-gradient(160deg, var(--ink-850), var(--ink-950));
  border: 1px solid rgba(124, 181, 222, 0.2);
  border-radius: var(--radius-lg);
  color: var(--on-dark-text);
}

.auto-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-300), transparent);
  content: "";
}

.auto-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.auto-head h3 {
  margin: 0;
  color: #ffffff;
  font-size: 1.05rem;
}

.auto-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.auto-item {
  padding-top: 16px;
  border-top: 1px solid var(--on-dark-line);
}

.auto-item .auto-num {
  display: block;
  margin-bottom: 12px;
  color: var(--blue-300);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.auto-item strong {
  display: block;
  margin-bottom: 6px;
  color: #ffffff;
  font-size: 0.98rem;
  font-weight: 640;
}

.auto-item span {
  color: var(--on-dark-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.stack-note {
  margin-top: 18px;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.65;
}

/* ---------- Photo accents ---------- */

.photo-card {
  overflow: hidden;
  margin: 34px 0 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.photo-card img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- Statement band ---------- */

.statement-band {
  position: relative;
  overflow: hidden;
  background: var(--ink-950);
}

.statement-band > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.statement-band::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(100deg, rgba(7, 18, 32, 0.82) 25%, rgba(7, 18, 32, 0.45) 70%, rgba(7, 18, 32, 0.6));
}

.statement-inner {
  position: relative;
  z-index: 1;
  padding: clamp(88px, 11vw, 150px) 0;
}

.statement-inner .eyebrow {
  color: var(--blue-300);
}

.statement-inner p:not(.eyebrow) {
  max-width: 780px;
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  font-weight: 540;
  line-height: 1.28;
  letter-spacing: -0.005em;
}

.statement-inner p em {
  font-style: italic;
  color: var(--blue-300);
}

/* ---------- Credentials ---------- */

.credentials {
  background: var(--paper);
}

.cred-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 0.9fr;
  gap: 18px;
}

.cred-card {
  position: relative;
  padding: 30px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--t-med), transform var(--t-med),
    border-color var(--t-fast);
}

.cred-card::before {
  position: absolute;
  top: -1px;
  left: 24px;
  right: 24px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--blue-600);
  content: "";
}

.cred-card.gold::before { background: var(--gold); }
.cred-card.teal::before { background: var(--teal); }

.cred-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.cred-issuer {
  margin-bottom: 22px;
  color: var(--faint);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cred-card h3 {
  margin-bottom: 20px;
  font-size: 1.08rem;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
}

.badge-list li {
  padding: 6px 12px;
  background: var(--quiet);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-800);
  font-size: 0.8rem;
  font-weight: 600;
  transition: background var(--t-fast), border-color var(--t-fast),
    color var(--t-fast);
}

.badge-list li:hover {
  background: var(--blue-100);
  border-color: var(--blue-300);
  color: var(--blue-700);
}

.cred-note {
  max-width: 880px;
  margin-top: 26px;
  color: var(--faint);
  font-size: 0.83rem;
  line-height: 1.65;
}

/* ---------- Ecosystem (Anthropic / Claude) ---------- */

.ecosystem {
  position: relative;
  overflow: hidden;
  background: var(--ink-950);
  color: var(--on-dark-text);
}

.ecosystem::before {
  position: absolute;
  top: -320px;
  right: -180px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 108, 171, 0.28), transparent 62%);
  content: "";
  filter: blur(70px);
  pointer-events: none;
}

.eco-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: clamp(44px, 6vw, 96px);
  align-items: center;
}

.ecosystem h2 {
  color: #ffffff;
}

.ecosystem .lead {
  max-width: 560px;
  color: var(--on-dark-muted);
}

.eco-points {
  display: grid;
  gap: 0;
  margin-top: 34px;
  list-style: none;
  padding: 0;
}

.eco-points li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid var(--on-dark-line);
  color: var(--on-dark-muted);
  font-size: 0.95rem;
}

.eco-points li strong {
  color: var(--on-dark-text);
  font-weight: 600;
}

.eco-points .tick {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  margin-top: 2px;
  background: rgba(124, 181, 222, 0.14);
  border-radius: 50%;
  color: var(--blue-300);
}

.status-card {
  position: relative;
  padding: clamp(26px, 3vw, 36px);
  background: rgba(18, 42, 64, 0.55);
  border: 1px solid rgba(124, 181, 222, 0.2);
  border-radius: var(--radius-lg);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.status-card .panel-label {
  display: block;
  margin-bottom: 18px;
}

.status-card p {
  color: var(--on-dark-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.status-card p + p {
  margin-top: 14px;
}

.status-card strong {
  color: var(--on-dark-text);
  font-weight: 600;
}

.status-card .divider {
  height: 1px;
  margin: 20px 0;
  background: var(--on-dark-line);
}

/* ---------- Use cases ---------- */

.usecases {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.usecase-list {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  counter-reset: uc;
}

.usecase-list li {
  position: relative;
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 26px 8px;
  border-bottom: 1px solid var(--line);
  transition: background var(--t-fast), padding-left var(--t-med);
}

.usecase-list li:hover {
  background: var(--quiet);
  padding-left: 20px;
}

.usecase-tag {
  color: var(--blue-700);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.usecase-list strong {
  color: var(--ink-900);
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  font-weight: 620;
  letter-spacing: -0.005em;
}

.usecase-list p {
  grid-column: 2;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.9rem;
}

.usecase-idx {
  grid-row: 1 / span 2;
  grid-column: 3;
  color: var(--line-strong);
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 500;
  transition: color var(--t-fast);
}

.usecase-list li:hover .usecase-idx {
  color: var(--blue-300);
}

/* ---------- Principles ---------- */

.principles-section {
  background: var(--paper);
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.principle {
  min-height: 200px;
  padding: 28px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--t-med), transform var(--t-med),
    border-color var(--t-fast);
}

.principle:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}

.principle-num {
  display: block;
  margin-bottom: 30px;
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.principle p {
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- Assurance (Responsible AI: rules in force) ---------- */

.assurance-head {
  max-width: 760px;
  margin: clamp(52px, 6vw, 72px) 0 28px;
}

.assurance-head h3 {
  margin-bottom: 10px;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 580;
  line-height: 1.2;
}

.assurance-head p {
  color: var(--muted);
  font-size: 0.98rem;
}

.assurance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

@media (max-width: 1020px) {
  .assurance-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Contact ---------- */

.contact {
  background: var(--surface);
}

.contact-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
  padding: clamp(40px, 6vw, 76px);
  background:
    radial-gradient(900px 460px at 88% -10%, rgba(47, 131, 196, 0.28), transparent 60%),
    linear-gradient(160deg, var(--ink-850), var(--ink-950));
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  color: var(--on-dark-text);
}

.contact-card::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(167, 186, 200, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 186, 200, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at 80% 0%, #000 20%, transparent 70%);
  mask-image: radial-gradient(ellipse at 80% 0%, #000 20%, transparent 70%);
  pointer-events: none;
}

.contact-card > * {
  position: relative;
}

.contact-card h2 {
  margin-bottom: 18px;
  color: #ffffff;
}

.contact-card .lead {
  color: var(--on-dark-muted);
}

.contact-side {
  display: grid;
  gap: 26px;
}

.contact-list {
  display: grid;
  gap: 12px;
  list-style: none;
  padding: 0;
  color: var(--on-dark-muted);
  font-size: 0.93rem;
}

.contact-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: start;
}

.contact-list .tick {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  margin-top: 3px;
  background: rgba(124, 181, 222, 0.16);
  border-radius: 50%;
  color: var(--blue-300);
}

.mail-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  justify-self: start;
  padding: 16px 24px;
  background: #ffffff;
  border-radius: var(--radius);
  color: var(--ink-900);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  font-weight: 650;
  letter-spacing: -0.01em;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.mail-cta .arrow {
  color: var(--blue-600);
  transition: transform var(--t-fast);
}

.mail-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.45);
}

.mail-cta:hover .arrow {
  transform: translateX(5px);
}

.contact-note {
  color: var(--on-dark-faint);
  font-size: 0.82rem;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: clamp(56px, 6vw, 80px) 0 36px;
  background: var(--ink-950);
  color: var(--on-dark-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto auto;
  gap: clamp(40px, 6vw, 110px);
  padding-bottom: 44px;
  border-bottom: 1px solid var(--on-dark-line);
}

.footer-brand img {
  width: 190px;
  margin-bottom: 18px;
}

.footer-brand p {
  max-width: 380px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--on-dark-faint);
}

.footer-col h3 {
  margin-bottom: 16px;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-col ul {
  display: grid;
  gap: 10px;
  list-style: none;
  padding: 0;
  font-size: 0.9rem;
}

.footer-col a {
  color: var(--on-dark-muted);
  transition: color var(--t-fast);
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 26px;
  color: var(--on-dark-faint);
  font-size: 0.8rem;
}

.footer-bottom p {
  margin: 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 1020px) {
  .hero-grid,
  .eco-grid,
  .approach-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .split-head {
    grid-template-columns: 1fr;
    gap: 12px;
    align-items: start;
  }

  .delivery-panel {
    max-width: 640px;
  }

  .sticky-col {
    position: static;
  }

  .card-grid,
  .principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stack-lists {
    grid-template-columns: 1fr;
  }

  .auto-grid {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .audience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .offer-card {
    grid-template-columns: 1fr;
  }

  .cred-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cred-card:first-child {
    grid-column: 1 / -1;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 840px) {
  .primary-nav {
    position: fixed;
    z-index: 110;
    top: 0;
    right: 0;
    bottom: 0;
    height: 100vh;
    height: 100dvh;
    overflow-y: auto;
    width: min(340px, 84vw);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 6px;
    padding: 110px 34px 34px;
    background: rgba(7, 18, 32, 0.97);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--on-dark-line);
    box-shadow: -30px 0 80px rgba(0, 0, 0, 0.45);
    font-size: 1.15rem;
    transform: translateX(105%);
    transition: transform 380ms var(--ease-out);
    visibility: hidden;
  }

  .primary-nav.open {
    transform: translateX(0);
    visibility: visible;
  }

  .primary-nav {
    color: var(--on-dark-muted);
  }

  .primary-nav a:not(.nav-cta):hover,
  .primary-nav a.active {
    color: #ffffff;
  }

  .menu-toggle[aria-expanded="true"] {
    border-color: rgba(233, 240, 246, 0.35);
  }

  .menu-toggle[aria-expanded="true"] span {
    background: #ffffff;
  }

  .primary-nav a:not(.nav-cta) {
    width: 100%;
    padding: 12px 0;
  }

  .primary-nav a:not(.nav-cta)::after {
    display: none;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
    margin-top: 18px;
    background: var(--blue-600);
    border-color: var(--blue-600);
  }

  .menu-toggle {
    display: block;
  }

  body.nav-open {
    overflow: hidden;
  }
}

@media (max-width: 760px) {
  .container,
  .header-inner {
    width: min(100% - 36px, 1160px);
  }

  :root {
    --header-h: 66px;
  }

  .brand-logo {
    width: 138px;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .hero-actions {
    margin-bottom: 36px;
  }

  .hero-facts {
    gap: 14px 28px;
  }

  .card-grid,
  .principles,
  .cred-grid,
  .stack-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .cred-card:first-child {
    grid-column: auto;
  }

  .service-card {
    min-height: 0;
  }

  .card-top {
    margin-bottom: 24px;
  }

  .usecase-list li {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 22px 4px;
  }

  .usecase-list li:hover {
    padding-left: 4px;
  }

  .usecase-list p {
    grid-column: 1;
  }

  .usecase-idx {
    display: none;
  }

  .steps::before,
  .steps .steps-progress {
    left: 19px;
  }

  .step {
    grid-template-columns: 40px 1fr;
    gap: 18px;
  }

  .step-marker {
    width: 40px;
    height: 40px;
    font-size: 0.72rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    display: grid;
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .contact-card {
    padding: 34px 24px;
  }

  .mail-cta {
    width: 100%;
    justify-content: space-between;
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .ticker {
    flex-wrap: wrap;
    width: 100%;
    animation: none;
  }
}

/* ============================================================
   v2.8 additions — 2026-07-10
   About, Governance kit sample, Data lifecycle, Next steps,
   footer privacy link, privacy page.
   ============================================================ */

/* ---------- Inline text link ---------- */

.text-link {
  color: var(--blue-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-link:hover {
  color: var(--blue-600);
}

/* ---------- About ---------- */

.about-section {
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.about-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4.5vw, 72px);
}

.about-body {
  max-width: 620px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.about-body strong {
  color: var(--ink-900);
  font-weight: 650;
}

/* ---------- Governance kit sample ---------- */

.kit-section {
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.artifact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.artifact {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--t-fast), box-shadow var(--t-med),
    transform var(--t-med);
}

.artifact:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.artifact-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 20px;
  background: var(--ink-900);
}

.artifact-name {
  color: var(--on-dark-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sample-tag {
  flex: none;
  padding: 3px 10px;
  background: rgba(212, 178, 106, 0.14);
  border: 1px solid rgba(212, 178, 106, 0.5);
  border-radius: 999px;
  color: var(--gold-soft);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.artifact-rows {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 8px 20px 18px;
}

.artifact-rows > div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}

.artifact-rows > div:first-child {
  border-top: 0;
}

.artifact-rows dt {
  color: var(--faint);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 2;
  text-transform: uppercase;
}

.artifact-rows dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.6;
}

.matrix {
  width: calc(100% - 24px);
  margin: 8px 12px 4px;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.matrix th {
  padding: 12px 10px 10px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--faint);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: left;
  text-transform: uppercase;
}

.matrix td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
  vertical-align: top;
}

.matrix td:first-child {
  color: var(--ink-800);
  font-weight: 600;
}

.matrix tr:last-child td {
  border-bottom: 0;
}

.artifact-foot {
  margin-top: auto;
  padding: 10px 20px 18px;
  color: var(--faint);
  font-size: 0.78rem;
  line-height: 1.55;
}

.kit-note {
  max-width: 860px;
  margin-top: 28px;
  color: var(--faint);
  font-size: 0.88rem;
  line-height: 1.65;
}

.kit-note a {
  color: var(--blue-700);
  font-weight: 600;
  white-space: nowrap;
}

.kit-note a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Data lifecycle (Responsible AI) ---------- */

.lifecycle-panel {
  margin-top: 18px;
  padding: clamp(28px, 3.5vw, 42px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue-600);
  border-radius: var(--radius-lg);
}

.lifecycle-head {
  max-width: 720px;
  margin-bottom: 26px;
}

.lifecycle-head h3 {
  margin-bottom: 8px;
  font-size: 1.18rem;
}

.lifecycle-head p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.lifecycle-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
  margin: 0;
}

.lifecycle-item dt {
  display: grid;
  gap: 6px;
  margin-bottom: 8px;
  color: var(--ink-900);
  font-size: 0.96rem;
  font-weight: 650;
  line-height: 1.35;
}

.lifecycle-item dt span {
  color: var(--blue-600);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.lifecycle-item dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

/* ---------- Contact: what happens next ---------- */

.next-steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 18px 20px;
  list-style: none;
  counter-reset: ns;
  background: rgba(18, 42, 64, 0.55);
  border: 1px solid rgba(124, 181, 222, 0.2);
  border-radius: var(--radius);
}

.next-steps li {
  position: relative;
  padding-left: 32px;
  color: var(--on-dark-muted);
  font-size: 0.88rem;
  line-height: 1.55;
  counter-increment: ns;
}

.next-steps li::before {
  position: absolute;
  top: 2px;
  left: 0;
  color: var(--blue-300);
  content: counter(ns, decimal-leading-zero);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.next-steps strong {
  color: var(--on-dark-text);
  font-weight: 600;
}

/* ---------- Footer privacy link ---------- */

.footer-bottom a {
  color: var(--on-dark-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t-fast);
}

.footer-bottom a:hover {
  color: #ffffff;
}

/* ---------- Privacy page ---------- */

.legal-main {
  padding: clamp(72px, 8vw, 110px) 0;
}

.legal-narrow {
  width: min(760px, 100% - 48px);
  margin-inline: auto;
}

.legal-main h1 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
}

.legal-updated {
  margin-bottom: 38px;
  color: var(--faint);
  font-size: 0.85rem;
}

.legal-main h2 {
  margin: 36px 0 10px;
  font-size: 1.3rem;
}

.legal-main p,
.legal-main li {
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.75;
}

.legal-main ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.legal-main li + li {
  margin-top: 6px;
}

.back-link {
  color: var(--blue-700);
  font-size: 0.88rem;
  font-weight: 600;
  transition: color var(--t-fast);
}

.back-link:hover {
  color: var(--blue-600);
}

/* ---------- v2.8 responsive ---------- */

@media (min-width: 841px) and (max-width: 1140px) {
  .primary-nav {
    gap: 18px;
    font-size: 0.84rem;
  }
}

@media (max-width: 1020px) {
  .about-cols {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .artifact-grid {
    grid-template-columns: 1fr;
  }

  .lifecycle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .artifact-rows > div {
    grid-template-columns: 84px 1fr;
  }
}

/* ---------- Credential badge strips (v2.8.1) ---------- */

.badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.badge-strip a {
  display: block;
  border-radius: 50%;
}

.badge-strip img {
  display: block;
  width: 86px;
  height: 86px;
  object-fit: contain;
  transition: transform var(--t-fast);
}

.badge-strip li:hover img {
  transform: translateY(-3px) scale(1.05);
}

@media (max-width: 760px) {
  .badge-strip img {
    width: 72px;
    height: 72px;
  }
}
