/* ── Theme Variables ─────────────────────────────────────────── */
:root {
  --bg: #f7f5f0;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --subtext: #666666;
  --accent: #b8860b;
  --accent-glow: rgba(184, 134, 11, 0.25);
  --icon-fill: #444444;
  --toggle-bg: #e0dbd0;
  --avatar-ring: #b8860b;
  --shadow: rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111111;
    --card-bg: #1e1e1e;
    --text: #f0f0f0;
    --subtext: #999999;
    --accent: #e8a838;
    --accent-glow: rgba(232, 168, 56, 0.3);
    --icon-fill: #cccccc;
    --toggle-bg: #2a2a2a;
    --avatar-ring: #e8a838;
    --shadow: rgba(0, 0, 0, 0.4);
  }
}

[data-theme="light"] {
  --bg: #f7f5f0;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --subtext: #666666;
  --accent: #b8860b;
  --accent-glow: rgba(184, 134, 11, 0.25);
  --icon-fill: #444444;
  --toggle-bg: #e0dbd0;
  --avatar-ring: #b8860b;
  --shadow: rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] {
  --bg: #111111;
  --card-bg: #1e1e1e;
  --text: #f0f0f0;
  --subtext: #999999;
  --accent: #e8a838;
  --accent-glow: rgba(232, 168, 56, 0.3);
  --icon-fill: #cccccc;
  --toggle-bg: #2a2a2a;
  --avatar-ring: #e8a838;
  --shadow: rgba(0, 0, 0, 0.4);
}

/* ── Reset & Base ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ── Page Layout ─────────────────────────────────────────────── */
.page-layout {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: center;
  gap: 2rem;
  padding: 3rem 1.5rem;
  width: 100%;
  max-width: 1020px;
}

/* ── Theme Toggle ────────────────────────────────────────────── */
.theme-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  border-radius: 50%;
  background-color: var(--toggle-bg);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
  z-index: 100;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.theme-toggle svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

/* ── Hero Card ───────────────────────────────────────────────── */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 2.5rem;
  background-color: var(--card-bg);
  border-radius: 1.5rem;
  box-shadow: 0 8px 40px var(--shadow);
  max-width: 480px;
  width: calc(100% - 2rem);
  gap: 0;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* ── Avatar ──────────────────────────────────────────────────── */
.avatar {
  width: 11rem;
  height: 11rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--avatar-ring);
  box-shadow: 0 0 0 6px var(--accent-glow);
  margin-bottom: 1.5rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ── Typography ──────────────────────────────────────────────── */
h1 {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.4rem;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--subtext);
  margin-bottom: 2rem;
  line-height: 1.4;
}

.subtitle strong {
  color: var(--accent);
  font-weight: 600;
}

.subtitle strong a {
  color: inherit;
  text-underline-offset: 3px;
}

.subtitle strong a:hover {
  opacity: 0.8;
}

/* ── Divider ─────────────────────────────────────────────────── */
.divider {
  width: 2.5rem;
  height: 2px;
  background-color: var(--accent);
  border-radius: 2px;
  margin-bottom: 2rem;
  opacity: 0.6;
}

/* ── Social Links ────────────────────────────────────────────── */
.social-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  width: 100%;
  margin-top: auto;
}

.social-links a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.9rem 0.5rem;
  border-radius: 0.75rem;
  background-color: var(--toggle-bg);
  color: var(--icon-fill);
  text-decoration: none;
  min-width: 0;
  transition: background-color 0.2s ease, color 0.2s ease,
              transform 0.2s ease, box-shadow 0.2s ease;
}

.social-links a svg {
  width: 1.4rem;
  height: 1.4rem;
  fill: currentColor;
  flex-shrink: 0;
}

.social-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.social-links a:hover {
  background-color: var(--accent);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

/* ── About Me Card ───────────────────────────────────────────── */
.about {
  display: flex;
  flex-direction: column;
  padding: 3rem 2.5rem;
  background-color: var(--card-bg);
  border-radius: 1.5rem;
  box-shadow: 0 8px 40px var(--shadow);
  max-width: 480px;
  width: calc(100% - 2rem);
  flex: 1;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.about h2 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.about-bio {
  font-size: 0.9rem;
  color: var(--subtext);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.about-bio a {
  color: var(--accent);
  text-underline-offset: 3px;
}

.about-bio a:hover {
  opacity: 0.8;
}

.about-bio strong a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.about-bio strong a:hover {
  opacity: 0.8;
}

.about .divider {
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
}

/* ── Skill Tags ──────────────────────────────────────────────── */
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background-color: var(--toggle-bg);
  color: var(--subtext);
  letter-spacing: 0.01em;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.tag:hover {
  background-color: var(--accent);
  color: #ffffff;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .page-layout {
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
  }

  .about {
    max-width: 480px;
  }
}

@media (max-width: 480px) {
  .hero, .about {
    padding: 2.25rem 1.75rem;
    border-radius: 1.25rem;
  }

  .avatar {
    width: 9rem;
    height: 9rem;
  }

  h1 {
    font-size: 1.5rem;
  }

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

  .social-links a:hover {
    transform: none;
  }
}