:root {
  color-scheme: light;
  --bg: #f7f4ef;
  --bg-soft: #efeae1;
  --surface: rgba(255, 255, 255, 0.72);
  --text: #1f2428;
  --text-muted: #5f676f;
  --accent: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.14);
  --accent-glow: rgba(15, 118, 110, 0.35);
  --visited: #0d9488;
  --visited-hover: #14b8a6;
  --border: rgba(31, 36, 40, 0.08);
  --shadow: 0 24px 60px rgba(31, 36, 40, 0.08);
  --map-default: #d8dde2;
  --map-stroke: rgba(255, 255, 255, 0.65);
  --header-gradient: radial-gradient(
      circle at 20% 20%,
      rgba(15, 118, 110, 0.12),
      transparent 42%
    ),
    radial-gradient(
      circle at 80% 0%,
      rgba(180, 83, 9, 0.08),
      transparent 35%
    );
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111418;
  --bg-soft: #171b21;
  --surface: rgba(24, 29, 35, 0.82);
  --text: #eef2f6;
  --text-muted: #9aa4af;
  --accent: #2dd4bf;
  --accent-soft: rgba(45, 212, 191, 0.12);
  --accent-glow: rgba(45, 212, 191, 0.28);
  --visited: #14b8a6;
  --visited-hover: #5eead4;
  --border: rgba(238, 242, 246, 0.08);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --map-default: #2a3139;
  --map-stroke: rgba(255, 255, 255, 0.08);
  --header-gradient: radial-gradient(
      circle at 20% 20%,
      rgba(45, 212, 191, 0.1),
      transparent 42%
    ),
    radial-gradient(
      circle at 80% 0%,
      rgba(251, 146, 60, 0.08),
      transparent 35%
    );
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  background-image: var(--header-gradient);
  line-height: 1.6;
  overflow-x: hidden;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
  z-index: 0;
}

#particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.site-header {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: flex-end;
  padding: 1.25rem 1.5rem 0;
}

.theme-toggle {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  backdrop-filter: blur(12px);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.theme-icon {
  font-size: 1.1rem;
  line-height: 1;
}

[data-theme="dark"] .theme-icon--sun,
[data-theme="light"] .theme-icon--moon,
:root:not([data-theme]) .theme-icon--moon {
  display: none;
}

.container {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.hero {
  padding: 2rem 0 3rem;
  animation: fade-up 0.8s ease both;
}

.hero-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.hero-name {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.hero-tagline {
  margin: 1rem 0 0.75rem;
  font-size: 1.05rem;
  color: var(--text-muted);
}

.hero-typing {
  margin: 0 0 1.5rem;
  min-height: 1.75rem;
  font-size: 1.05rem;
  color: var(--text);
}

.typing-cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.section-title {
  margin: 0 0 1rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 600;
}

.links {
  margin-bottom: 3rem;
  animation: fade-up 0.8s ease 0.1s both;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
}

.link-card {
  display: block;
  padding: 1.1rem 1.15rem;
  border-radius: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  text-decoration: none;
  color: inherit;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.link-card:hover,
.link-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--accent-glow);
  outline: none;
}

.link-card-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.link-card-desc {
  display: block;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.map-section {
  animation: fade-up 0.8s ease 0.2s both;
}

.map-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.map-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.country-count {
  font-weight: 600;
  color: var(--accent);
}

.map-tooltip {
  margin: 0;
  min-height: 1.5rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.map-wrap {
  padding: 1rem;
  border-radius: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

#world-map {
  display: block;
  width: 100%;
  height: auto;
}

.country {
  fill: var(--map-default);
  stroke: var(--map-stroke);
  stroke-width: 0.5;
  transition: fill 0.25s ease, filter 0.25s ease;
  cursor: default;
}

.country.visited {
  fill: var(--visited);
  cursor: pointer;
}

.country.visited:hover,
.country.visited:focus {
  fill: var(--visited-hover);
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.map-legend {
  display: flex;
  gap: 1.25rem;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.legend-swatch {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 0.2rem;
}

.legend-swatch--visited {
  background: var(--visited);
}

.legend-swatch--other {
  background: var(--map-default);
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 0 1rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.site-footer a {
  color: var(--accent);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 0.5rem;
  }

  .map-header {
    align-items: start;
  }
}