:root {
  color-scheme: dark;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-size: 16px;
  color: var(--text);
  --page-bg: #122047;
  --surface: rgba(15, 23, 42, 0.82);
  --surface-border: rgba(7, 109, 253, 0.12);
  --text: #e0e3e7;
  --muted: #94a3b8;
  --accent: #eaedf3;
  --accent-soft: rgba(10, 19, 37, 0.15);
  --button-bg: rgba(255, 255, 255, 0.08);
  --button-text: #f8fafc;
  --shadow: rgba(15, 23, 42, 0.28);
}

[data-theme="light"] {
  color-scheme: light;
  --page-bg: #f8fafc;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-border: rgba(243, 244, 245, 0.24);
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --button-bg: rgba(15, 23, 42, 0.08);
  --button-text: #ffffff;
  --shadow: rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.22), transparent 42%),
    radial-gradient(circle at bottom right, rgba(16, 185, 129, 0.18), transparent 35%),
    var(--page-bg);
  color: var(--text);
}

.page-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-mark {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  font-weight: 700;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--accent), #14b8a6);
  color: #ffffff;
  box-shadow: 0 20px 45px rgba(20, 184, 166, 0.15);
}

.brand-caption {
  margin: 0 0 0.25rem;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-header h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.theme-toggle {
  border: none;
  border-radius: 999px;
  background: var(--button-bg);
  color: var(--text);
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.14);
}

.content {
  display: grid;
  gap: 2rem;
}

.intro-card {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 2rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 32px;
  padding: 2rem;
  backdrop-filter: blur(16px);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.intro-card:hover {
  transform: scale(1.03);
  box-shadow: 0 32px 64px rgba(14, 165, 233, 0.15);
  border-color: rgba(14, 165, 233, 0.3);
}

.media-stack {
  display: grid;
  gap: 1rem;
}

.profile-visual {
  width: 100%;
  min-height: 260px;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 24px 48px var(--shadow);
}

.profile-audio {
  width: 100%;
  border-radius: 16px;
}

.intro-text {
  display: grid;
  gap: 1.25rem;
}

.intro-text .eyebrow {
  margin: 0;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #7dd3fc;
  font-size: 0.85rem;
}

.intro-text h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.05;
}

.intro-text p {
  margin: 0;
  line-height: 1.8;
  color: var(--text);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.stats-grid div {
  padding: 1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(148, 163, 184, 0.08);
}

.stats-grid strong {
  display: block;
  font-size: 1.6rem;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.stats-grid span {
  color: var(--muted);
  font-size: 0.95rem;
}

.section-block {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 32px;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.section-block:hover {
  transform: scale(1.03);
  box-shadow: 0 32px 64px rgba(14, 165, 233, 0.15);
  border-color: rgba(14, 165, 233, 0.3);
}

.section-block h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.feature-list {
  margin: 0;
  padding-left: 1.4rem;
  color: var(--text);
  display: grid;
  gap: 0.9rem;
}

.feature-list li {
  line-height: 1.7;
}

.contact-block p {
  margin: 0 0 1.25rem;
  color: var(--text);
}

.contact-list {
  display: grid;
  gap: 0.85rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-border);
  color: var(--text);
}

.contact-item::before {
  content: "";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: #7dd3fc;
  font-size: 2.2rem;
}

.contact-item.phone::before {
  content: "📞";
}

.contact-item.email::before {
  content: "✉️";
}

.contact-item a {
  color: #f8fafc;
  text-decoration: none;
}

.contact-item a:hover {
  text-decoration: underline;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0.95rem 1.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #14b8a6);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 35px rgba(20, 184, 166, 0.22);
}

@media (max-width: 780px) {
  .intro-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .theme-toggle {
    width: 100%;
  }

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