/* ============================================
   hcLINKS — Link Aggregator
   ============================================ */

:root {
  /* Primary — teal from HC/ICHC branding */
  --teal-50: #EFFAF9;
  --teal-100: #D5F2F0;
  --teal-200: #A8E5E1;
  --teal-500: #0FA3A3;
  --teal-600: #0B7A75;
  --teal-700: #086561;
  --teal-800: #054F4C;

  /* Neutral warm tones */
  --warm-50: #FAF9F6;
  --warm-100: #F6F5F2;
  --warm-150: #F0EFEC;
  --warm-200: #E8E6E1;
  --warm-300: #D4D1CB;
  --warm-400: #B0ADA6;
  --warm-500: #8A8680;
  --warm-600: #6B6862;
  --warm-700: #4A4741;
  --warm-800: #33312C;
  --warm-900: #1E1D1B;

  /* Navy */
  --navy-900: #1A2332;

  /* Typography */
  --font-display: 'Crimson Pro', 'Georgia', 'Times New Roman', serif;
  --font-body: 'Plus Jakarta Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Borders & Shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 1px 2px rgba(26, 35, 50, 0.04),
                 0 4px 14px rgba(26, 35, 50, 0.06),
                 0 10px 40px rgba(26, 35, 50, 0.06);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-normal: 250ms var(--ease-out);
}


/* ---- Reset ---- */

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}


/* ---- Body ---- */

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--warm-900);
  background-color: var(--warm-100);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(11, 122, 117, 0.025) 1px, transparent 0);
  background-size: 20px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}


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

.site-header {
  padding: var(--space-xl) var(--space-lg) var(--space-md);
  text-align: center;
}

.header-inner {
  max-width: 700px;
  margin: 0 auto;
}

.site-title {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--navy-900);
  line-height: 1.1;
}

.title-accent {
  color: var(--teal-600);
}

.site-subtitle {
  font-size: 0.92rem;
  color: var(--warm-500);
  font-weight: 500;
  margin-top: var(--space-xs);
  letter-spacing: 0.01em;
}


/* ---- Main ---- */

.main {
  flex: 1;
  padding: var(--space-md) var(--space-lg) var(--space-2xl);
}


/* ---- Links Card ---- */

.links-card {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--teal-600);
  overflow: hidden;
}


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

.links-section {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--warm-150);
  animation: fadeInUp 0.45s var(--ease-out) both;
}

.links-section:last-child {
  border-bottom: none;
}

.links-section:nth-child(1) { animation-delay: 0.02s; }
.links-section:nth-child(2) { animation-delay: 0.08s; }
.links-section:nth-child(3) { animation-delay: 0.14s; }
.links-section:nth-child(4) { animation-delay: 0.20s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ---- Section Title ---- */

.section-title {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal-600);
  margin-bottom: var(--space-md);
}


/* ---- Links Grid ---- */

.links-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}


/* ---- Link Item ---- */

.link-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--warm-50);
  border: 1.5px solid var(--warm-200);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  cursor: pointer;
}

.link-item:hover {
  border-color: var(--teal-500);
  background: var(--teal-50);
  box-shadow: 0 2px 10px rgba(11, 122, 117, 0.1);
  transform: translateY(-1px);
}

.link-item:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(11, 122, 117, 0.08);
}


/* ---- Link Icon ---- */

.link-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--warm-200);
  color: var(--teal-600);
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              color var(--transition-fast);
}

.link-item:hover .link-icon {
  border-color: var(--teal-200);
  background: white;
  color: var(--teal-700);
}

.link-icon svg {
  width: 22px;
  height: 22px;
}


/* ---- Link Content ---- */

.link-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.link-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy-900);
  line-height: 1.3;
}

.link-name-accent {
  color: var(--teal-600);
}

.link-description {
  font-size: 0.82rem;
  color: var(--warm-500);
  font-weight: 400;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* ---- Link Arrow ---- */

.link-arrow {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--warm-300);
  transition: color var(--transition-fast),
              transform var(--transition-fast);
}

.link-arrow svg {
  width: 20px;
  height: 20px;
}

.link-item:hover .link-arrow {
  color: var(--teal-600);
  transform: translate(2px, -2px);
}


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

.site-footer {
  text-align: center;
  padding: var(--space-lg);
  color: var(--warm-400);
  font-size: 0.8rem;
}


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

@media (max-width: 600px) {
  .site-header {
    padding: var(--space-lg) var(--space-md) var(--space-sm);
  }

  .site-title {
    font-size: 2rem;
  }

  .main {
    padding: var(--space-sm) var(--space-md) var(--space-xl);
  }

  .links-section {
    padding: var(--space-md) var(--space-lg);
  }

  .link-item {
    padding: var(--space-md);
    gap: 12px;
  }

  .link-icon {
    width: 40px;
    height: 40px;
  }

  .link-icon svg {
    width: 20px;
    height: 20px;
  }
}