:root {
  --bg: #050816;
  --surface: rgba(17, 24, 39, 0.6);
  --surface-strong: rgba(15, 23, 42, 0.92);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #22d3ee;
  --secondary: #a78bfa;
  --border: rgba(148, 163, 184, 0.22);
  --shadow: 0 20px 80px rgba(34, 211, 238, 0.15);
  --card-bg: rgba(15, 23, 42, 0.65);
}

html[data-theme='light'] {
  --bg: #eef4ff;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --primary: #0ea5e9;
  --secondary: #7c3aed;
  --border: rgba(51, 65, 85, 0.15);
  --shadow: 0 18px 40px rgba(14, 165, 233, 0.12);
  --card-bg: rgba(255, 255, 255, 0.9);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(167, 139, 250, 0.25), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.18), transparent 40%), var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.utility-strip {
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

.utility-inner {
  min-height: 52px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  z-index: 30;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.icon-btn,
.menu-toggle {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  border-radius: 0.75rem;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.icon-btn:hover,
.menu-toggle:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 12px 26px rgba(14, 165, 233, 0.25);
}

.admin-link {
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  background: var(--card-bg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.admin-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(124, 58, 237, 0.22);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  position: relative;
  transition: color 0.25s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(120deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
}

.hero {
  padding: 7rem 0 4rem;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 2rem;
}

.eyebrow {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin: 0.5rem 0 0;
}

.subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

.cta-row {
  margin-top: 1.7rem;
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.btn {
  border-radius: 999px;
  padding: 0.78rem 1.25rem;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 650;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--secondary));
  color: #020617;
  box-shadow: 0 12px 26px rgba(14, 165, 233, 0.28);
}

.btn-secondary {
  color: var(--text);
  border-color: var(--border);
  background: var(--card-bg);
}

.hero-profile,
.card,
.list-item,
.admin-card,
.admin-form,
.portfolio-grid article,
.metric,
.counter-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.hero-profile:hover,
.card:hover,
.list-item:hover,
.portfolio-grid article:hover,
.metric:hover,
.admin-form:hover,
.counter-chip:hover {
  transform: translateY(-4px);
}

.hero-profile {
  padding: 1rem;
}

.profile-pic {
  width: min(100%, 340px);
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center;
  display: block;
  margin: 0 auto;
  border-radius: 0.9rem;
  border: 1px solid var(--border);
}

.float-card {
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  50% {
    transform: translateY(-8px);
  }
}

.card-title {
  margin: 1rem 0 0.5rem;
  font-weight: 700;
}

.hero-profile ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
}

.section {
  padding: 3rem 0;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
}

.section p,
.small-note {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 1rem;
}

.cards {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card {
  padding: 1.1rem;
}

.metrics {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric {
  text-align: center;
  background: var(--surface-strong);
  padding: 1rem;
}

.metric-number {
  margin: 0;
  font-size: clamp(2rem, 5vw, 2.7rem);
  color: var(--primary);
  font-weight: 800;
}

.feed-counters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 0.8rem;
  margin-bottom: 2rem;
}

.counter-chip {
  padding: 0.55rem 0.8rem;
  font-size: 0.92rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.portfolio-grid {
  margin-top: 20px;
  display: grid;
  gap: 1.35rem;
  grid-template-columns: 1fr;
}

.portfolio-grid article {
  padding: 1.35rem;
}

.list-stack {
  display: grid;
  gap: 1rem;
  margin-top: 0.8rem;
}

.list-item {
  padding: 1rem 1.05rem;
}

.list-item h4 {
  margin: 0 0 0.4rem;
}

.rich-content {
  color: var(--muted);
  line-height: 1.6;
}

.rich-content h2,
.rich-content h3,
.rich-content p {
  margin: 0.3rem 0;
}

.list-item a,
.contact-links a {
  color: var(--primary);
  text-decoration: none;
}

.contact-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer {
  border-top: 1px solid rgba(148, 163, 184, 0.14);
  text-align: center;
  padding: 1rem;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.admin-body {
  min-height: 100vh;
}

.admin-page {
  max-width: 860px;
  padding: 2rem 0;
}

.admin-card {
  padding: 1.2rem;
}

.admin-form {
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
  margin: 1rem 0;
}

.admin-form input,
.admin-form textarea {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.65rem;
  font: inherit;
}

.editor-toolbar {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.editor-toolbar button {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  border-radius: 0.5rem;
  padding: 0.35rem 0.55rem;
  cursor: pointer;
}

.rich-editor {
  min-height: 140px;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 0.75rem;
  background: var(--card-bg);
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.65;
}

.rich-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--muted);
}

.admin-list-wrap {
  margin-top: 1.25rem;
}

.row-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}

.success {
  color: #10b981;
  font-weight: 600;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 5rem;
  }

  .menu-toggle {
    display: inline-block;
  }

  .feed-counters {
    grid-template-columns: 1fr;
  }

  .nav-links {
    position: absolute;
    top: 65px;
    right: 0;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 0.8rem;
    padding: 0.8rem;
    min-width: 170px;
    flex-direction: column;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }
}