/* ─── AlumOS Marketing Site ────────────────────────────────────────────── */
/* Brand: navy · copper · cream · AI-powered alumni networks                */

:root {
  /* Primary — copper accent */
  --primary-50: #faf6f0;
  --primary-100: #f2e8d9;
  --primary-200: #e4d0b3;
  --primary-300: #d4ad82;
  --primary-400: #c29666;
  --primary-500: #b8895a;
  --primary-600: #a87b4f;
  --primary-700: #8f6842;
  --primary-800: #755536;
  --primary-900: #5c432a;

  /* Brand anchors */
  --brand-navy: #0d1b2a;
  --brand-cream: #f9f7f2;
  --brand-copper: #c29666;
  --brand-slate: #51667a;
  --brand-terracotta: #cc8e58;

  --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-body: "DM Sans", system-ui, -apple-system, sans-serif;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;

  --nav-height: 72px;
  --container: 1180px;
  --section-pad: 6rem;
  --container-gutter: 2rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.35s var(--ease-out);
}

/* Dark theme */
[data-theme="dark"] {
  --bg: #0d1b2a;
  --bg-alt: #111f30;
  --bg-elevated: #152536;
  --bg-card: rgba(249, 247, 242, 0.04);
  --bg-card-hover: rgba(249, 247, 242, 0.07);
  --border: rgba(249, 247, 242, 0.1);
  --border-subtle: rgba(249, 247, 242, 0.05);
  --text: #f9f7f2;
  --text-secondary: #a8b4c0;
  --text-muted: #51667a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 8px 32px rgba(0, 0, 0, 0.3);
  --orb-1: rgba(194, 150, 102, 0.14);
  --orb-2: rgba(81, 102, 122, 0.1);
  --grid-color: rgba(249, 247, 242, 0.03);
  --logo-dark: block;
  --logo-light: none;
}

/* Light theme (brand default) */
[data-theme="light"] {
  --bg: #f9f7f2;
  --bg-alt: #f2efe8;
  --bg-elevated: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --border: rgba(13, 27, 42, 0.1);
  --border-subtle: rgba(13, 27, 42, 0.05);
  --text: #0d1b2a;
  --text-secondary: #51667a;
  --text-muted: #6b7d8f;
  --shadow: 0 24px 80px rgba(13, 27, 42, 0.08);
  --shadow-sm: 0 8px 32px rgba(13, 27, 42, 0.06);
  --orb-1: rgba(194, 150, 102, 0.12);
  --orb-2: rgba(81, 102, 122, 0.08);
  --grid-color: rgba(13, 27, 42, 0.04);
  --logo-dark: none;
  --logo-light: block;
}

/* ─── Reset & base ──────────────────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: clip;
  transition: background var(--transition), color var(--transition);
  -webkit-tap-highlight-color: transparent;
}

body.nav-open {
  overflow: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container {
  width: min(100% - var(--container-gutter), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--primary-500);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* ─── Ambient background ────────────────────────────────────────────────── */

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: float 20s ease-in-out infinite;
}

.ambient__orb--1 {
  width: 600px;
  height: 600px;
  background: var(--orb-1);
  top: -200px;
  right: -100px;
}

.ambient__orb--2 {
  width: 500px;
  height: 500px;
  background: var(--orb-2);
  bottom: -150px;
  left: -150px;
  animation-delay: -10s;
}

.ambient__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* ─── Navigation ────────────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  padding-top: env(safe-area-inset-top, 0px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.nav--scrolled {
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom-color: var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.nav__brand { flex-shrink: 0; }

/* Brand lockup — icon + wordmark */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--text);
  text-decoration: none;
}

.brand-lockup__icon {
  display: block;
  height: 2rem;
  width: auto;
  aspect-ratio: 349 / 397;
  flex-shrink: 0;
  object-fit: contain;
}

.brand-lockup__name {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1;
}

.brand-lockup--nav .brand-lockup__name {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-body);
  font-size: 1.1875rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}

.brand-lockup--nav .brand-lockup__stem {
  font-weight: 500;
}

.brand-lockup--nav .brand-lockup__suffix {
  font-weight: 600;
  letter-spacing: -0.05em;
}

.brand-lockup__text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.brand-lockup__tagline {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-copper);
  line-height: 1;
}

.brand-lockup--footer .brand-lockup__icon {
  height: 1.625rem;
}

.brand-lockup--footer .brand-lockup__name {
  font-size: 1.125rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.nav__links a:hover { color: var(--text); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  color: var(--text);
}

.theme-icon { width: 18px; height: 18px; }
[data-theme="dark"] .theme-icon--moon { display: block; }
[data-theme="light"] .theme-icon--sun { display: block; }
[data-theme="dark"] .theme-icon--sun { display: none; }
[data-theme="light"] .theme-icon--moon { display: none; }

.nav__menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  cursor: pointer;
  padding: 10px;
}

.nav__menu-btn span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav__menu-btn[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}
.nav__menu-btn[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  top: calc(var(--nav-height) + env(safe-area-inset-top, 0px));
  left: 0;
  right: 0;
  bottom: 0;
  background: color-mix(in srgb, var(--bg) 98%, transparent);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem calc(1.5rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 99;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav[hidden] { display: none; }

.mobile-nav a {
  padding: 0.875rem 0;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav a:last-child { border-bottom: none; }

.mobile-nav__actions {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.mobile-nav__actions a {
  margin-top: 0;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  color: var(--text);
}

.mobile-nav__actions a.mobile-nav__cta-primary {
  background: var(--brand-navy);
  color: var(--brand-cream);
  border-color: transparent;
}

[data-theme="dark"] .mobile-nav__actions a.mobile-nav__cta-primary {
  background: var(--brand-copper);
  color: var(--brand-navy);
}

.mobile-nav__actions a.mobile-nav__cta-secondary {
  background: var(--bg-card);
}

/* ─── Buttons ───────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s, color 0.2s;
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }
.btn:active { transform: scale(0.98); }

.btn--sm { padding: 0 1rem; height: 36px; }
.btn--lg { padding: 0 1.75rem; height: 48px; font-size: 0.9375rem; }

.btn--primary {
  background: var(--brand-navy);
  color: var(--brand-cream);
  box-shadow: 0 4px 16px rgba(13, 27, 42, 0.25);
}
.btn--primary:hover {
  background: color-mix(in srgb, var(--brand-navy) 85%, var(--brand-copper));
  box-shadow: 0 6px 24px rgba(13, 27, 42, 0.35);
}

[data-theme="dark"] .btn--primary {
  background: var(--brand-copper);
  color: var(--brand-navy);
  box-shadow: 0 4px 16px rgba(194, 150, 102, 0.3);
}
[data-theme="dark"] .btn--primary:hover {
  background: var(--primary-300);
  box-shadow: 0 6px 24px rgba(194, 150, 102, 0.4);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn--ghost:hover { color: var(--text); }

.btn--outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--outline:hover {
  background: var(--bg-card);
  border-color: color-mix(in srgb, var(--primary-500) 40%, var(--border));
}

/* ─── Typography helpers ────────────────────────────────────────────────── */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary-400);
  margin-bottom: 1rem;
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-400);
  animation: pulse 2s ease-in-out infinite;
}

.eyebrow--glow {
  color: var(--primary-300);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  text-wrap: balance;
}

.section__title em {
  font-style: italic;
  color: var(--primary-400);
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-top: 1rem;
  line-height: 1.7;
}

/* ─── Hero ──────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  z-index: 1;
  padding: calc(var(--nav-height) + 4rem) 0 6rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__content,
.hero__visual {
  min-width: 0;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 4.75rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  text-wrap: balance;
}

.hero__title em {
  font-style: italic;
  color: var(--primary-400);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.hero__stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat__value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--text);
  line-height: 1.2;
}

.stat__label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  max-width: 9rem;
  line-height: 1.4;
}

/* Hero visual cards */
.hero__visual {
  position: relative;
  min-height: 480px;
}

.hero-card {
  position: absolute;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: transform 0.5s var(--ease-out);
}

.hero-card--main {
  top: 0;
  left: 0;
  right: 0;
  padding: 1.25rem;
  animation: cardFloat 6s ease-in-out infinite;
}

.hero-card--gordon {
  bottom: 60px;
  left: -20px;
  width: 260px;
  padding: 1rem 1.25rem;
  background: color-mix(in srgb, var(--primary-900) 60%, var(--bg-elevated));
  border-color: color-mix(in srgb, var(--primary-500) 30%, var(--border));
  animation: cardFloat 6s ease-in-out infinite;
  animation-delay: -2s;
}

[data-theme="light"] .hero-card--gordon {
  background: color-mix(in srgb, var(--primary-50) 80%, var(--bg-elevated));
}

.hero-card--network {
  bottom: 0;
  right: 0;
  width: 220px;
  padding: 1rem 1.25rem;
  text-align: center;
  animation: cardFloat 6s ease-in-out infinite;
  animation-delay: -4s;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.hero-card__badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-400);
  background: color-mix(in srgb, var(--primary-500) 15%, transparent);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}

.hero-card__time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hero-card__list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-card__list li:last-child { border-bottom: none; }

.hero-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-card__icon svg { width: 16px; height: 16px; }

.hero-card__icon--purple {
  background: color-mix(in srgb, #a855f7 15%, transparent);
  color: #a855f7;
}
.hero-card__icon--green {
  background: color-mix(in srgb, var(--brand-copper) 15%, transparent);
  color: var(--primary-400);
}
.hero-card__icon--amber {
  background: color-mix(in srgb, #f59e0b 15%, transparent);
  color: #f59e0b;
}

.hero-card__list strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.125rem;
}

.hero-card__list span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hero-card__gordon-header {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-400);
  margin-bottom: 0.5rem;
}

.hero-card__gordon-header svg { width: 14px; height: 14px; }

.hero-card__gordon-prompt {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 0.375rem;
}

.hero-card__gordon-reply {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.hero-card__network-avatars {
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.hero-card__network-avatars span {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--brand-navy);
  color: var(--brand-cream);
  font-size: 0.6875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-elevated);
  margin-left: -8px;
}

[data-theme="dark"] .hero-card__network-avatars span {
  background: var(--brand-copper);
  color: var(--brand-navy);
}

.hero-card__network-avatars span:first-child { margin-left: 0; }

.hero-card__network-more {
  background: var(--bg-card) !important;
  color: var(--text-muted) !important;
  font-size: 0.625rem !important;
}

.hero-card--network p {
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.hero-card--network > span {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

/* ─── Sections ──────────────────────────────────────────────────────────── */

.section {
  position: relative;
  z-index: 1;
  padding: var(--section-pad) 0;
}

.section--alt {
  background: var(--bg-alt);
}

.section__header {
  text-align: center;
  margin-bottom: 4rem;
}

.section__header .section__subtitle {
  margin-inline: auto;
}

/* Boarding schools section */
.boarding__intro {
  text-align: center;
  margin-bottom: 3.5rem;
}

.boarding__intro .section__subtitle {
  margin-inline: auto;
}

.boarding__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 3rem;
}

.boarding__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary-400);
  margin-bottom: 1rem;
}

.boarding__label--muted {
  color: var(--text-muted);
}

.boarding__stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.boarding__stack-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.125rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.boarding__stack-item--dim {
  opacity: 0.72;
}

.boarding__stack-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-muted);
}

.boarding__stack-icon svg {
  width: 18px;
  height: 18px;
}

.boarding__stack-item strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.boarding__stack-item span {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.boarding__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 4rem;
  color: var(--primary-400);
}

.boarding__arrow svg {
  width: 28px;
  height: 28px;
}

.boarding__solution-card {
  background: var(--bg-elevated);
  border: 1px solid color-mix(in srgb, var(--primary-500) 35%, var(--border));
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .boarding__solution-card {
  background: linear-gradient(160deg, var(--primary-50), var(--bg-elevated));
}

.boarding__solution-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.boarding__solution-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--brand-cream);
  background: var(--brand-navy);
  padding: 0.3rem 0.625rem;
  border-radius: 999px;
}

[data-theme="dark"] .boarding__solution-badge {
  color: var(--brand-navy);
  background: var(--brand-copper);
}

.boarding__solution-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.boarding__benefits {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.boarding__benefits li {
  padding-left: 1rem;
  border-left: 2px solid var(--primary-500);
}

.boarding__benefits strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.boarding__benefits span {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.boarding__outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.boarding__outcome {
  text-align: center;
  padding: 1.75rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.boarding__outcome-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--primary-400);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.boarding__outcome p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  transition: transform 0.3s var(--ease-out), border-color 0.3s, background 0.3s;
}

@media (hover: hover) and (pointer: fine) {
  .pillar:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--primary-500) 30%, var(--border));
    background: var(--bg-card-hover);
  }
}

@media (hover: none), (pointer: coarse) {
  .pillar:hover {
    transform: none;
  }
}

.pillar__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--primary-500) 12%, transparent);
  color: var(--primary-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.pillar__icon svg { width: 22px; height: 22px; }

.pillar h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pillar p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.feature-card {
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: color-mix(in srgb, var(--primary-500) 25%, var(--border));
}

.feature-card--wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  min-width: 0;
}

.feature-card__tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary-400);
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.625rem;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.feature-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.feature-card__tags li {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}

.feature-card__visual--feed {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
}

.mini-feed__item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.mini-feed__item:hover { background: var(--bg-card); }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot--green { background: var(--primary-400); }
.dot--amber { background: #f59e0b; }
.dot--purple { background: #a855f7; }

.feature-card--gordon {
  border-color: color-mix(in srgb, var(--primary-500) 35%, var(--border));
  background: color-mix(in srgb, var(--primary-900) 8%, var(--bg-elevated));
}

[data-theme="light"] .feature-card--gordon {
  background: color-mix(in srgb, var(--primary-50) 50%, var(--bg-elevated));
}

.feature-card__visual--gordon,
.feature-card__visual--building,
.feature-card__visual--canvas {
  min-width: 0;
}

.feature-card__visual--gordon .chat-window {
  box-shadow: var(--shadow-sm);
}

.feature-card__visual--building .building-showcase,
.feature-card__visual--canvas .canvas-board {
  box-shadow: var(--shadow-sm);
}

.feature-card__visual--building .building-showcase__grid {
  grid-template-columns: 1fr;
}

.feature-card__visual--building .building-showcase__card:last-child {
  grid-column: auto;
}

.gordon__examples--compact {
  margin-top: 1.25rem;
}

.gordon__examples--compact li {
  font-size: 0.8125rem;
  padding: 0.5rem 0.75rem;
}

/* Gordon section (legacy helpers used inside feature cards) */
.gordon__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.gordon__examples {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.gordon__examples li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-style: italic;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary-500);
}

.gordon__capabilities {
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
}

.gordon__capabilities li {
  padding: 1rem 1.125rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.gordon__capabilities strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.gordon__capabilities span {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.discovery-cards {
  align-self: stretch;
  margin-top: 0.25rem;
}

.discovery-cards__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.discovery-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

.discovery-card:last-child { margin-bottom: 0; }

.discovery-card__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.discovery-card__icon svg {
  width: 16px;
  height: 16px;
}

.discovery-card__icon--rocket {
  background: color-mix(in srgb, var(--primary-500) 15%, transparent);
  color: var(--primary-400);
}

.discovery-card__icon--people {
  background: color-mix(in srgb, #6366f1 15%, transparent);
  color: #818cf8;
}

.discovery-card strong {
  display: block;
  font-size: 0.8125rem;
  margin-bottom: 0.125rem;
}

.discovery-card span {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Building showcase section */
.building__inner,
.canvas__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.building__highlights,
.canvas__highlights {
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
}

.building__highlights li,
.canvas__highlights li {
  padding: 1rem 1.125rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.building__highlights strong,
.canvas__highlights strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.building__highlights span,
.canvas__highlights span {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.building-showcase {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.building-showcase__header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.building-showcase__header strong {
  display: block;
  font-size: 0.9375rem;
}

.building-showcase__header span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.building-showcase__search {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.625rem 0.875rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.building-showcase__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  padding: 1rem;
}

.building-showcase__card {
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.building-showcase__card:last-child {
  grid-column: 1 / -1;
}

.building-showcase__tag {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary-400);
  background: color-mix(in srgb, var(--primary-500) 12%, transparent);
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}

.building-showcase__card h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.building-showcase__card p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.building-showcase__card footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.building-showcase__avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-copper), var(--primary-700));
  color: var(--brand-cream);
  font-size: 0.5625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Canvas section */
.canvas__inner {
  grid-template-columns: 1.05fr 0.95fr;
}

.canvas-board {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.canvas-board__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.8125rem;
  font-weight: 600;
}

.canvas-board__badge {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary-400);
  background: color-mix(in srgb, var(--primary-500) 12%, transparent);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}

.canvas-board__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding: 1rem;
}

.canvas-board__widget {
  padding: 0.875rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 88px;
}

.canvas-board__widget--wide {
  grid-column: 1 / -1;
}

.canvas-board__widget span {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.canvas-board__widget strong {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-400);
}

.canvas-board__line {
  height: 48px;
  color: var(--primary-500);
}

.canvas-board__line svg {
  width: 100%;
  height: 100%;
}

.canvas-board__donut {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: conic-gradient(
    var(--primary-500) 0 35%,
    var(--primary-300) 35% 60%,
    color-mix(in srgb, var(--primary-500) 40%, transparent) 60% 100%
  );
  mask: radial-gradient(circle, transparent 55%, #000 56%);
}

.canvas-board__prompt {
  padding: 0.875rem 1.25rem 1.25rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-style: italic;
  border-top: 1px solid var(--border-subtle);
}

/* Feature card visuals — building & canvas */
.feature-card__visual--building,
.feature-card__visual--canvas {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
}

.mini-building-grid {
  display: grid;
  gap: 0.625rem;
}

.mini-building-card {
  padding: 0.75rem 0.875rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.mini-building-card__tag {
  display: inline-block;
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary-400);
  margin-bottom: 0.25rem;
}

.mini-building-card strong {
  display: block;
  font-size: 0.8125rem;
  margin-bottom: 0.125rem;
}

.mini-building-card span {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.mini-building-card--stealth {
  opacity: 0.65;
  border-style: dashed;
}

.mini-canvas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.625rem;
}

.mini-canvas__chart {
  padding: 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.mini-canvas__chart span {
  display: block;
  font-size: 0.625rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.mini-canvas__chart--bar {
  grid-column: 1 / -1;
}

.mini-canvas__bars {
  display: flex;
  align-items: flex-end;
  gap: 0.375rem;
  height: 40px;
}

.mini-canvas__bars i {
  flex: 1;
  display: block;
  background: linear-gradient(180deg, var(--primary-400), var(--primary-600));
  border-radius: 3px 3px 0 0;
}

.mini-canvas__bars i:nth-child(1) { height: 45%; }
.mini-canvas__bars i:nth-child(2) { height: 62%; }
.mini-canvas__bars i:nth-child(3) { height: 55%; }
.mini-canvas__bars i:nth-child(4) { height: 78%; }
.mini-canvas__bars i:nth-child(5) { height: 90%; }

.mini-canvas__pie {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: conic-gradient(
    var(--primary-500) 0 40%,
    var(--primary-300) 40% 70%,
    color-mix(in srgb, var(--primary-500) 35%, transparent) 70% 100%
  );
}

.chat-window {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.chat-window__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.chat-window__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-copper), var(--primary-700));
  color: var(--brand-navy);
  font-weight: 700;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-window__header strong {
  display: block;
  font-size: 0.875rem;
}

.chat-window__header span:not(.chat-window__avatar):not(.chat-window__status) {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.chat-window__status {
  margin-left: auto;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--primary-400);
  background: color-mix(in srgb, var(--primary-500) 12%, transparent);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}

.chat-window__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: auto;
}

.chat-bubble {
  max-width: 85%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  line-height: 1.55;
}

.chat-bubble--user {
  align-self: flex-end;
  background: var(--brand-navy);
  color: var(--brand-cream);
  border-bottom-right-radius: 4px;
}

[data-theme="dark"] .chat-bubble--user {
  background: var(--brand-copper);
  color: var(--brand-navy);
}

.chat-bubble--ai {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-bottom-left-radius: 4px;
}

.chat-bubble--ai strong { color: var(--text); }

.chat-bubble--typing {
  display: flex;
  gap: 4px;
  padding: 1rem;
}

.chat-bubble--typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typing 1.4s ease-in-out infinite;
}
.chat-bubble--typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-bubble--typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.step__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: color-mix(in srgb, var(--primary-500) 40%, transparent);
  line-height: 1;
  margin-bottom: 1rem;
}

.step h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Audiences */
.audiences {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.audience-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  transition: transform 0.3s var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .audience-card:hover {
    transform: translateY(-4px);
  }
}

@media (hover: none), (pointer: coarse) {
  .audience-card:hover {
    transform: none;
  }
}

.audience-card--featured {
  background: linear-gradient(145deg, color-mix(in srgb, var(--brand-navy) 12%, var(--bg-elevated)), var(--bg-elevated));
  border-color: color-mix(in srgb, var(--brand-copper) 35%, var(--border));
}

[data-theme="dark"] .audience-card--featured {
  background: linear-gradient(145deg, color-mix(in srgb, var(--brand-copper) 15%, var(--bg-elevated)), var(--bg-elevated));
  border-color: color-mix(in srgb, var(--brand-copper) 35%, var(--border));
}

[data-theme="light"] .audience-card--featured {
  background: linear-gradient(145deg, var(--primary-50), var(--bg-elevated));
}

.audience-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.625rem;
}

.audience-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* CTA */
.cta__box {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(145deg, color-mix(in srgb, var(--brand-navy) 8%, var(--bg-elevated)), var(--bg-elevated));
  border: 1px solid color-mix(in srgb, var(--brand-copper) 30%, var(--border));
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .cta__box {
  background: linear-gradient(145deg, color-mix(in srgb, var(--brand-copper) 10%, var(--bg-elevated)), var(--bg-elevated));
}

[data-theme="light"] .cta__box {
  background: linear-gradient(145deg, var(--primary-50), var(--bg-elevated));
}

.cta__box h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 1rem;
}

.cta__box p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.65;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 2rem;
  align-items: center;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--text); }

.footer__copy {
  grid-column: 1 / -1;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

/* ─── Scroll reveal ─────────────────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay {
  transition-delay: 0.15s;
}

/* ─── Responsive ────────────────────────────────────────────────────────── */

/* Large desktop — keep content readable on ultrawide screens */
@media (min-width: 1400px) {
  :root {
    --container: 1240px;
  }

  .hero__inner {
    gap: 5rem;
  }

  .hero__visual {
    min-height: 520px;
  }
}

@media (max-width: 1024px) {
  :root {
    --section-pad: 4.5rem;
    --container-gutter: 1.75rem;
  }

  .hero__inner,
  .building__inner,
  .canvas__inner,
  .gordon__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero__visual {
    min-height: auto;
    max-width: 560px;
    margin-inline: auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
  }

  .hero-card {
    position: static;
    width: 100% !important;
    animation: none;
  }

  .hero-card--gordon {
    left: auto;
    bottom: auto;
  }

  .hero-card--network {
    bottom: auto;
    right: auto;
    text-align: left;
  }

  .hero-card__network-avatars {
    justify-content: flex-start;
  }

  .boarding__grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .boarding__arrow {
    padding-top: 0;
    transform: rotate(90deg);
  }

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

  .boarding__outcome:last-child {
    grid-column: 1 / -1;
  }

  .pillars,
  .steps,
  .audiences {
    grid-template-columns: repeat(2, 1fr);
  }

  .pillars .pillar:last-child,
  .steps .step:last-child,
  .audiences .audience-card:last-child {
    grid-column: 1 / -1;
  }

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

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

  .section__header {
    margin-bottom: 3rem;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    --section-pad: 3.5rem;
    --container-gutter: 1.5rem;
  }

  .ambient__orb--1 {
    width: 320px;
    height: 320px;
    top: -120px;
    right: -80px;
    filter: blur(80px);
  }

  .ambient__orb--2 {
    width: 280px;
    height: 280px;
    bottom: -100px;
    left: -100px;
    filter: blur(80px);
  }

  .nav__links { display: none; }
  .nav__actions .btn--ghost,
  .nav__actions .btn--primary { display: none; }

  .nav__menu-btn { display: flex; }

  .nav__logo,
  .brand-lockup__icon {
    height: 1.75rem;
    width: auto;
  }

  .nav__inner {
    gap: 1rem;
  }

  .hero {
    padding: calc(var(--nav-height) + 2rem + env(safe-area-inset-top, 0px)) 0 3.5rem;
    min-height: auto;
  }

  .hero__inner {
    gap: 2.5rem;
  }

  .hero__title {
    font-size: clamp(2.25rem, 9vw, 3.25rem);
  }

  .hero__subtitle {
    font-size: 1rem;
    max-width: none;
    margin-bottom: 1.5rem;
  }

  .hero__actions {
    margin-bottom: 2rem;
  }

  .hero__visual {
    max-width: none;
  }

  .hero__stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.25rem;
    padding-top: 1.5rem;
  }

  .hero__stats .stat:last-child {
    grid-column: 1 / -1;
  }

  .stat__value {
    font-size: 1.375rem;
  }

  .stat__label {
    font-size: 0.75rem;
    max-width: none;
  }

  .section__header {
    margin-bottom: 2.5rem;
  }

  .section__title {
    font-size: clamp(1.875rem, 6.5vw, 2.75rem);
  }

  .section__subtitle {
    font-size: 1rem;
  }

  .boarding__intro {
    margin-bottom: 2.5rem;
  }

  .boarding__stack-item {
    padding: 0.875rem 1rem;
  }

  .boarding__solution-card {
    padding: 1.25rem;
  }

  .boarding__solution-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .boarding__outcomes {
    grid-template-columns: 1fr;
    margin-top: 2rem;
    gap: 1rem;
  }

  .boarding__outcome {
    padding: 1.25rem 1rem;
  }

  .boarding__outcome:last-child {
    grid-column: auto;
  }

  .pillars,
  .steps,
  .audiences {
    grid-template-columns: 1fr;
  }

  .pillars .pillar:last-child,
  .steps .step:last-child,
  .audiences .audience-card:last-child {
    grid-column: auto;
  }

  .pillar,
  .step,
  .audience-card,
  .feature-card {
    padding: 1.5rem;
  }

  .gordon__examples--compact li {
    font-size: 0.75rem;
  }

  .building__inner,
  .canvas__inner {
    gap: 2.5rem;
  }

  .building-showcase__grid {
    grid-template-columns: 1fr;
  }

  .building-showcase__card:last-child {
    grid-column: auto;
  }

  .gordon__examples li {
    font-size: 0.875rem;
    padding: 0.625rem 0.875rem;
  }

  .chat-window__header {
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    padding: 0.875rem 1rem;
  }

  .chat-window__status {
    margin-left: 0;
  }

  .chat-window__body {
    min-height: auto;
    padding: 1rem;
  }

  .chat-bubble {
    max-width: 92%;
    font-size: 0.8125rem;
  }

  .discovery-card span {
    overflow-wrap: anywhere;
  }

  .canvas-board__toolbar {
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
  }

  .canvas-board__grid {
    grid-template-columns: 1fr;
  }

  .canvas-board__widget--wide {
    grid-column: auto;
  }

  .cta__box {
    padding: 2.5rem 1.25rem;
    border-radius: var(--radius-xl);
  }

  .cta__box h2 {
    font-size: clamp(1.5rem, 5.5vw, 2rem);
    text-wrap: balance;
  }

  .cta__box p {
    font-size: 0.9375rem;
  }

  .footer {
    padding: 2.5rem 0 calc(2.5rem + env(safe-area-inset-bottom, 0px));
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
  }

  .footer__links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
  }
}

@media (max-width: 640px) {
  .hero__actions,
  .cta__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn,
  .cta__actions .btn {
    width: 100%;
    min-height: 48px;
    height: auto;
    padding-block: 0.875rem;
    white-space: normal;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --section-pad: 3rem;
    --container-gutter: 1.25rem;
  }

  .hero__stats {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .hero__stats .stat:last-child {
    grid-column: auto;
  }

  .stat {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
  }

  .stat__value {
    flex-shrink: 0;
    min-width: 4.5rem;
  }

  .hero-card__list li {
    align-items: flex-start;
  }

  .hero-card__list strong,
  .hero-card__list span {
    overflow-wrap: anywhere;
  }

  .feature-card--wide {
    gap: 1.25rem;
  }

  .feature-card__visual--feed,
  .feature-card__visual--building,
  .feature-card__visual--canvas,
  .feature-card__visual--gordon {
    padding: 0.75rem;
  }

  .mini-feed__item {
    font-size: 0.75rem;
    padding: 0.5rem 0.625rem;
  }

  .step__num {
    font-size: 2rem;
  }

  .boarding__outcome-value {
    font-size: 1.5rem;
  }

  .btn--sm {
    height: 40px;
  }

  .theme-toggle,
  .nav__menu-btn {
    width: 44px;
    height: 44px;
  }

  .footer__links a {
    font-size: 0.8125rem;
  }
}

@media (max-width: 360px) {
  .hero__title {
    font-size: 2rem;
  }

  .section__title {
    font-size: 1.75rem;
  }

  .nav__actions {
    gap: 0.5rem;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-card {
    animation: none;
  }

  .ambient__orb {
    animation: none;
  }

  .eyebrow__dot {
    animation: none;
  }
}