/* ========================================
   SENTINEL Design System — Multi-Page
   Core: Charcoal + Orange
   Clinical: Charcoal + Green
   Geo: Charcoal + Blue
   ======================================== */

:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.25rem; --radius-md: 0.5rem;
  --radius-lg: 0.75rem; --radius-xl: 1rem; --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px; --content-default: 960px; --content-wide: 1200px;

  /* Font families */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  /* Brand Colors: Core Orange */
  --color-accent: #e87325;
  --color-accent-hover: #f08535;
  --color-accent-active: #d46118;
  --color-accent-subtle: rgba(232, 115, 37, 0.12);

  /* Brand Colors: Clinical Green */
  --color-clinical: #2d9d5a;
  --color-clinical-hover: #37b068;
  --color-clinical-active: #248a4d;
  --color-clinical-subtle: rgba(45, 157, 90, 0.12);

  /* Brand Colors: Geo Blue */
  --color-geo: #3b82c4;
  --color-geo-hover: #4a94d6;
  --color-geo-active: #2e6fa8;
  --color-geo-subtle: rgba(59, 130, 196, 0.12);
}

/* ---- DARK (default) ---- */
:root,
[data-theme='dark'] {
  --color-bg: #1a1917;
  --color-surface: #222120;
  --color-surface-2: #2a2928;
  --color-surface-offset: #1e1d1b;
  --color-border: #3a3937;
  --color-divider: #2e2d2b;
  --color-text: #e8e6e1;
  --color-text-muted: #9a9893;
  --color-text-faint: #605e5a;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.45);
}

/* ---- LIGHT ---- */
[data-theme='light'] {
  --color-bg: #f5f4f0;
  --color-surface: #ffffff;
  --color-surface-2: #fafaf8;
  --color-surface-offset: #eeedea;
  --color-border: #d4d2cd;
  --color-divider: #e2e0dc;
  --color-text: #1a1917;
  --color-text-muted: #6b6964;
  --color-text-faint: #a3a19c;
  --color-accent: #d45e10;
  --color-accent-hover: #c05209;
  --color-accent-active: #a84608;
  --color-accent-subtle: rgba(212, 94, 16, 0.08);
  --color-clinical: #1f8a49;
  --color-clinical-hover: #187a3e;
  --color-clinical-active: #146b36;
  --color-clinical-subtle: rgba(31, 138, 73, 0.08);
  --color-geo: #2b6eab;
  --color-geo-hover: #23609a;
  --color-geo-active: #1c5286;
  --color-geo-subtle: rgba(43, 110, 171, 0.08);
  --shadow-sm: 0 1px 2px oklch(0.2 0.01 60 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 60 / 0.1);
  --shadow-lg: 0 12px 32px oklch(0.2 0.01 60 / 0.14);
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

/* ========================================
   HEADER
   ======================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}
.logo-img {
  height: 48px;
  width: auto;
  max-width: 200px;
  display: block;
  object-fit: contain;
}
.header-nav {
  display: none;
  gap: var(--space-5);
  align-items: center;
}
@media (min-width: 768px) {
  .header-nav { display: flex; }
}
.header-nav > a,
.nav-dropdown-trigger {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
}
.header-nav > a:hover,
.header-nav > a.active,
.nav-dropdown-trigger:hover { color: var(--color-accent); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2) 0;
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
}
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.nav-dropdown-menu a:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-accent-subtle);
}
.mobile-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  color: var(--color-text-muted);
}
@media (min-width: 768px) {
  .mobile-toggle { display: none; }
}
.mobile-nav {
  display: none;
  position: absolute;
  top: 64px; left: 0; right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-4);
}
.mobile-nav.open { display: flex; flex-direction: column; gap: var(--space-3); }
.mobile-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--space-2) 0;
}
.mobile-nav a:hover,
.mobile-nav a.active { color: var(--color-accent); }

/* ========================================
   HERO (Home)
   ======================================== */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 80vh;
  padding: var(--space-16) 0 var(--space-12);
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.04;
  background-image:
    linear-gradient(var(--color-text) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-text) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}
.hero-glow {
  position: absolute;
  top: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--color-accent-subtle) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-subtle);
  border: 1px solid rgba(232, 115, 37, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}
.hero h1 .accent { color: var(--color-accent); }
.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: var(--space-8);
}
.hero-cta-row {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm); font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer; border: none;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-primary:active { background: var(--color-accent-active); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ========================================
   BRAND CARDS (Home)
   ======================================== */

.brand-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-6);
}
.brand-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-decoration: none;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.brand-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.brand-card--core:hover { border-color: var(--color-accent); }
.brand-card--clinical:hover { border-color: var(--color-clinical); }
.brand-card--geo:hover { border-color: var(--color-geo); }

.brand-card__icon {
  height: 56px;
  display: flex;
  align-items: center;
}
.brand-card__logo {
  height: 56px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}
.brand-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}
.brand-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}
.brand-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.brand-card--core .brand-card__link { color: var(--color-accent); }
.brand-card--clinical .brand-card__link { color: var(--color-clinical); }
.brand-card--geo .brand-card__link { color: var(--color-geo); }

/* ========================================
   PAGE HEROES (Subpages)
   ======================================== */

.page-hero {
  padding: clamp(var(--space-16), 10vw, var(--space-24)) 0 var(--space-12);
  border-bottom: 1px solid var(--color-divider);
}
.page-hero__badge {
  display: inline-flex; align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: var(--space-6);
  background: var(--color-accent-subtle);
  border: 1px solid rgba(232, 115, 37, 0.2);
  color: var(--color-accent);
}
.page-hero__badge--clinical {
  background: var(--color-clinical-subtle);
  border-color: rgba(45, 157, 90, 0.2);
  color: var(--color-clinical);
}
.page-hero__badge--geo {
  background: var(--color-geo-subtle);
  border-color: rgba(59, 130, 196, 0.2);
  color: var(--color-geo);
}
.page-hero__logo-row {
  margin-bottom: var(--space-4);
}
.page-hero__logo {
  height: 72px;
  width: auto;
  max-width: 260px;
  object-fit: contain;
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}
.page-hero__tagline {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.page-hero__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.7;
}

/* ========================================
   SECTIONS
   ======================================== */

.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}
.section + .section {
  border-top: 1px solid var(--color-divider);
}
.section-label {
  font-size: var(--text-xs); font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.section-label--clinical { color: var(--color-clinical); }
.section-label--geo { color: var(--color-geo); }

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl); font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-10);
}

/* ========================================
   FRAMEWORK PHASES (Core SENTINEL)
   ======================================== */

.framework-phases {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: var(--space-4);
}
.phase-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.phase-card:hover {
  border-color: rgba(232, 115, 37, 0.3);
  box-shadow: var(--shadow-md);
}
.phase-letter {
  font-family: var(--font-display);
  font-size: var(--text-2xl); font-weight: 800;
  color: var(--color-accent);
  line-height: 1; margin-bottom: var(--space-2);
}
.phase-name {
  font-family: var(--font-display);
  font-size: var(--text-sm); font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.phase-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ========================================
   TOOLS (Core SENTINEL)
   ======================================== */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-4);
}
.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative; overflow: hidden;
}
.tool-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--transition-interactive);
}
.tool-card:hover::before { opacity: 1; }
.tool-number {
  font-family: var(--font-display);
  font-size: var(--text-xs); font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  letter-spacing: 0.06em;
}
.tool-name {
  font-family: var(--font-display);
  font-size: var(--text-lg); font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.tool-category {
  font-size: var(--text-xs); font-weight: 600;
  color: var(--color-text-faint);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.tool-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ========================================
   CLINICAL SENTINEL
   ======================================== */

.clinical-principle {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}
.clinical-principle blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.6;
  padding: var(--space-8);
  border-left: 4px solid var(--color-clinical);
  background: var(--color-clinical-subtle);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  text-align: left;
}

.clinical-phases {
  display: grid;
  gap: var(--space-6);
}
.clinical-phase-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-8);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}
.clinical-phase-card:hover {
  border-color: rgba(45, 157, 90, 0.3);
}
.clinical-phase-card::before {
  content: '';
  position: absolute; top: 0; left: 0; bottom: 0;
  width: 4px;
  background: var(--color-clinical);
  opacity: 0.4;
  transition: opacity var(--transition-interactive);
}
.clinical-phase-card:hover::before { opacity: 1; }
.clinical-phase-num {
  font-family: var(--font-display);
  font-size: var(--text-xs); font-weight: 700;
  color: var(--color-clinical);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}
.clinical-phase-title {
  font-family: var(--font-display);
  font-size: var(--text-xl); font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.clinical-phase-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 72ch;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
}
.audience-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive);
}
.audience-card:hover {
  border-color: rgba(45, 157, 90, 0.3);
}
.audience-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base); font-weight: 700;
  color: var(--color-clinical);
  margin-bottom: var(--space-3);
}
.audience-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ========================================
   GEO SENTINEL
   ======================================== */

.geo-principle {
  max-width: 720px;
  margin-inline: auto;
}
.geo-principle blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.6;
  padding: var(--space-8);
  border-left: 4px solid var(--color-geo);
  background: var(--color-geo-subtle);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.vector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: var(--space-4);
}
.vector-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.vector-card:hover {
  border-color: rgba(59, 130, 196, 0.3);
  box-shadow: var(--shadow-md);
}
.vector-letter {
  font-family: var(--font-display);
  font-size: var(--text-2xl); font-weight: 800;
  color: var(--color-geo);
  line-height: 1; margin-bottom: var(--space-2);
}
.vector-name {
  font-family: var(--font-display);
  font-size: var(--text-sm); font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.vector-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
}
.pillar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive);
}
.pillar-card:hover {
  border-color: rgba(59, 130, 196, 0.3);
}
.pillar-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base); font-weight: 700;
  color: var(--color-geo);
  margin-bottom: var(--space-3);
}
.pillar-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ========================================
   GUIDES
   ======================================== */

.guides-list { display: grid; gap: var(--space-6); }
.guide-item {
  display: grid; grid-template-columns: 1fr; gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
@media (min-width: 768px) {
  .guide-item { grid-template-columns: 1fr auto; align-items: center; }
}
.guide-tag {
  display: inline-block;
  font-size: var(--text-xs); font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.guide-title {
  font-family: var(--font-display);
  font-size: var(--text-lg); font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.guide-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.guide-status {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  white-space: nowrap;
}
.guide-status.available { background: var(--color-accent); color: #fff; }
.guide-status.coming {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* ========================================
   ABOUT
   ======================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .about-grid { grid-template-columns: 1fr 1fr; }
}
.about-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}
.about-text p + p { margin-top: var(--space-4); }
.credentials-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.credential-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
.credential-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--color-accent);
  margin-top: 2px;
}
.credential-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.credential-text strong { color: var(--color-text); }

/* ========================================
   CONTACT
   ======================================== */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  text-decoration: none;
  text-align: center;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.contact-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.contact-card__icon {
  width: 28px; height: 28px;
  color: var(--color-accent);
}
.contact-card__label {
  font-family: var(--font-display);
  font-size: var(--text-base); font-weight: 700;
  color: var(--color-text);
}
.contact-card__handle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.contact-email {
  text-align: center;
  padding: var(--space-8) 0;
}
.contact-email p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  max-width: none;
}
.contact-email__link {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
}
.contact-email__link:hover {
  color: var(--color-accent-hover);
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8) 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-links { display: flex; gap: var(--space-4); }
.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
}
.footer-links a:hover { color: var(--color-accent); }
.footer-email {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-email:hover { color: var(--color-accent); }

/* ========================================
   ANIMATIONS
   ======================================== */

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.stagger > *:nth-child(1) { transition-delay: 0ms; }
.stagger > *:nth-child(2) { transition-delay: 60ms; }
.stagger > *:nth-child(3) { transition-delay: 120ms; }
.stagger > *:nth-child(4) { transition-delay: 180ms; }
.stagger > *:nth-child(5) { transition-delay: 240ms; }
.stagger > *:nth-child(6) { transition-delay: 300ms; }
.stagger > *:nth-child(7) { transition-delay: 360ms; }
.stagger > *:nth-child(8) { transition-delay: 420ms; }
.stagger > *:nth-child(9) { transition-delay: 480ms; }
.stagger > *:nth-child(10) { transition-delay: 540ms; }