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

:root {
  --bg: #0b0f1e;
  --surface: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #22c55e;
  --border: #1f2937;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.4);
}

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  scroll-behavior: smooth;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 15, 30, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}

.btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1120;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 25px rgba(34, 197, 94, 0.15);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(56, 189, 248, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.hero {
  position: relative;
  padding: 90px 0 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.25), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(34, 197, 94, 0.2), transparent 40%);
  animation: glow 6s ease-in-out infinite alternate;
  z-index: 0;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 36px;
  z-index: 1;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  margin: 14px 0 18px;
}

.hero-content h1 .accent {
  color: var(--accent);
  display: inline-block;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 2px;
  font-weight: 600;
}

.lead {
  color: var(--muted);
  margin-bottom: 22px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.quick-info {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-card {
  background: linear-gradient(145deg, rgba(17, 24, 39, 0.9), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.profile {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1120;
  font-weight: 700;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-badges span {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.section {
  padding: 70px 0;
}

.section.alt {
  background: var(--surface);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.section h2 {
  font-size: 2rem;
}

.muted {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.info-card ul {
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.info-card span {
  color: var(--text);
  font-weight: 600;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
}

.progress {
  display: grid;
  gap: 8px;
  margin: 14px 0;
}

.progress .label {
  font-size: 0.9rem;
  color: var(--muted);
}

.progress .bar {
  height: 8px;
  background: #1f2937;
  border-radius: 999px;
  overflow: hidden;
}

.progress .bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  transition: width 1.4s ease;
}

.filter-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
}

.project-grid,
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

.project-card,
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.4);
}

.tags {
  color: var(--muted);
  margin: 10px 0 14px;
  font-size: 0.9rem;
}

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

.link-disabled {
  cursor: default;
  opacity: 0.7;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.contact-info {
  display: grid;
  gap: 16px;
}

.contact-list {
  display: grid;
  gap: 12px;
}

.contact-list span {
  color: var(--muted);
  font-size: 0.85rem;
}

.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  display: grid;
  gap: 14px;
}

.contact-form .field {
  display: grid;
  gap: 6px;
}

.contact-form input,
.contact-form textarea {
  background: #0f172a;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.95rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  text-align: center;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@keyframes glow {
  0% {
    opacity: 0.7;
  }
  100% {
    opacity: 1;
  }
}

@media (max-width: 860px) {
  .nav-links,
  .nav-actions {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav.open .nav-links,
  .nav.open .nav-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin-top: 12px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 70px;
  }

  .hero-card {
    padding: 20px;
  }
}