:root {
  --bg: #0a0c10;
  --surface: rgba(18, 22, 32, 0.72);
  --surface-border: rgba(255, 255, 255, 0.08);
  --text: #e8ecf4;
  --text-muted: #8b95a8;
  --accent: #5eead4;
  --accent-2: #818cf8;
  --accent-warm: #f472b6;
  --radius: 16px;
  --radius-sm: 10px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

/* Background */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 70%);
  pointer-events: none;
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.glow-a {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -80px;
  background: var(--accent-2);
}

.glow-b {
  width: 400px;
  height: 400px;
  bottom: 10%;
  left: -100px;
  background: var(--accent);
}

/* Layout */
.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 24px rgba(94, 234, 212, 0.35);
}

.logo-text {
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* Hero */
.hero {
  padding: 4rem 0 3.5rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(94, 234, 212, 0.1);
  border: 1px solid rgba(94, 234, 212, 0.2);
  border-radius: 999px;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: linear-gradient(120deg, var(--accent), var(--accent-2) 50%, var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  max-width: 540px;
  margin: 0 auto 2.5rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Sections */
.section-title {
  margin: 0 0 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.projects {
  margin-bottom: 4rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* Cards */
.project-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  transition: transform var(--transition), border-color var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(94, 234, 212, 0.25);
}

.card-visual {
  height: 180px;
  position: relative;
  overflow: hidden;
}

.card-visual--weather {
  background: linear-gradient(160deg, #0f1729 0%, #1a2744 50%, #0d1525 100%);
}

.mini-cards {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.mini-cards span {
  width: 52px;
  height: 72px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: float 3s ease-in-out infinite;
}

.mini-cards span:nth-child(2) { animation-delay: 0.2s; height: 80px; }
.mini-cards span:nth-child(3) { animation-delay: 0.4s; background: rgba(94, 234, 212, 0.12); border-color: rgba(94, 234, 212, 0.3); }
.mini-cards span:nth-child(4) { animation-delay: 0.6s; }
.mini-cards span:nth-child(5) { animation-delay: 0.8s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.card-visual--ai {
  background: linear-gradient(145deg, #1a1025 0%, #2d1f3d 40%, #0f0a14 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 1.5rem;
}

.ai-prompt {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent-warm);
  padding: 0.4rem 0.75rem;
  background: rgba(244, 114, 182, 0.12);
  border-radius: 6px;
  border: 1px solid rgba(244, 114, 182, 0.25);
}

.ai-canvas {
  width: 70%;
  height: 90px;
  border-radius: 8px;
  background: linear-gradient(135deg, #3b2a5c, #5eead4 40%, #818cf8 80%);
  opacity: 0.85;
  box-shadow: 0 8px 32px rgba(129, 140, 248, 0.3);
}

.card-body {
  padding: 1.5rem 1.5rem 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: rgba(129, 140, 248, 0.15);
  color: #a5b4fc;
  letter-spacing: 0.02em;
}

.project-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.project-card p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  flex: 1;
}

.card-apis {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-apis code {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 4px;
  color: var(--accent);
}

.card-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--bg);
  background: var(--accent);
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
  margin-top: auto;
}

.card-cta:hover {
  background: #4dd9c4;
  transform: translateX(2px);
}

.card-cta--accent {
  background: linear-gradient(135deg, var(--accent-warm), #c084fc);
  color: #fff;
}

.card-cta--accent:hover {
  filter: brightness(1.08);
}

/* About */
.about-panel {
  padding: 1.75rem 2rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}

.about-panel p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.about-panel p:last-child {
  margin-bottom: 0;
}

.about-panel strong {
  color: var(--text);
}

.about-panel code {
  font-family: var(--mono);
  font-size: 0.85em;
  padding: 0.15rem 0.4rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  color: var(--accent);
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--surface-border);
}

.site-footer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .site-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }
}