/* ============ Reset & Base ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0b1020;
  --bg-2: #0f1730;
  --text: #e8ecf5;
  --muted: #98a2b8;
  --primary: #22d3ee;
  --primary-2: #00ffcc;
  --accent: #a78bfa;
  --pink: #f472b6;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --glow: 0 0 60px -10px rgba(34, 211, 238, 0.45);
  --shadow: 0 20px 60px -25px rgba(0, 0, 0, 0.7);
  --radius: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: radial-gradient(ellipse at top, #142046 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============ Background Effects ============ */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(34,211,238,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}

.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  z-index: -1;
  animation: float 18s ease-in-out infinite;
  pointer-events: none;
}
.orb-1 { width: 500px; height: 500px; top: -120px; left: -120px; background: var(--primary); }
.orb-2 { width: 420px; height: 420px; top: 30%; right: -120px; background: var(--accent); animation-delay: -6s; }
.orb-3 { width: 380px; height: 380px; bottom: -100px; left: 35%; background: var(--primary-2); animation-delay: -12s; }

@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(40px, -50px) scale(1.06); }
  66% { transform: translate(-30px, 30px) scale(0.95); }
}

/* ============ Navbar ============ */
.navbar {
  position: fixed; top: 18px; left: 50%;
  transform: translateX(-50%);
  width: min(95%, 920px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px;
  background: rgba(15, 23, 48, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  z-index: 100;
  box-shadow: var(--shadow);
}
.logo {
  font-weight: 700; font-size: 1.2rem;
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary-2), var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.logo span { color: var(--primary); }
.navbar nav { display: flex; gap: 28px; }
.navbar nav a {
  color: var(--muted); text-decoration: none; font-size: 0.92rem; font-weight: 500;
  transition: color 0.3s;
}
.navbar nav a:hover { color: var(--text); }

.btn-small {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  padding: 8px 16px; border-radius: 10px;
  color: #0b1020; font-weight: 600; text-decoration: none; font-size: 0.88rem;
  transition: transform 0.3s;
}
.btn-small:hover { transform: scale(1.05); }

@media (max-width: 640px) {
  .navbar nav { display: none; }
}

/* ============ Hero ============ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 140px 20px 60px;
  max-width: 1100px; margin: 0 auto;
}

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  background: var(--card-bg); border: 1px solid var(--card-border);
  font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--muted);
  margin-bottom: 30px;
}
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary-2); box-shadow: 0 0 12px var(--primary-2);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.05;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-2) 0%, var(--primary) 50%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.typing {
  margin-top: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.1rem, 2.5vw, 1.75rem);
  color: var(--muted);
  min-height: 2.2rem;
}
.cursor {
  display: inline-block; color: var(--primary);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.tagline {
  margin-top: 26px; max-width: 620px;
  color: var(--muted); font-size: 1.05rem;
}

.cta-group {
  margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; justify-content: center;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #0b1020;
  font-weight: 600; text-decoration: none;
  box-shadow: var(--glow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.btn:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 0 80px -10px rgba(34,211,238,0.7); }

.btn-ghost {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  box-shadow: none;
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); }

/* Stats */
.stats {
  margin-top: 70px;
  display: grid; gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%; max-width: 760px;
}
@media (min-width: 720px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px; text-align: center;
  backdrop-filter: blur(10px);
}
.stat h3 {
  font-size: 2rem; font-weight: 700;
  background: linear-gradient(135deg, var(--primary-2), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat p {
  margin-top: 4px; font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
}

/* ============ Marquee ============ */
.marquee {
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 22px 0; overflow: hidden;
  background: rgba(255,255,255,0.02);
}
.marquee-track {
  display: flex; gap: 38px; white-space: nowrap;
  width: max-content;
  animation: marquee 30s linear infinite;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.15rem; color: var(--muted);
}
.marquee-track span:nth-child(even) { color: var(--primary); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============ Sections ============ */
.section {
  padding: 120px 24px;
  max-width: 1200px; margin: 0 auto;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  padding: 6px 14px; border-radius: 999px;
  background: var(--card-bg); border: 1px solid var(--card-border);
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  color: var(--primary); text-transform: uppercase; letter-spacing: 0.18em;
}
.section h2 {
  margin-top: 14px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700; letter-spacing: -0.02em;
}

/* ============ Cards ============ */
.cards {
  margin-top: 60px;
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.cards.projects { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 26px;
  text-align: left;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
  position: relative; overflow: hidden;
}
.card:hover {
  transform: translateY(-8px);
  border-color: rgba(34,211,238,0.4);
  box-shadow: var(--glow);
}

/* Skill card */
.skill .icon { font-size: 2.2rem; margin-bottom: 14px; }
.skill h4 { font-size: 1.05rem; }
.skill p {
  margin-top: 4px; font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
}

/* Project card */
.project .accent {
  position: absolute; inset: 0 0 auto 0; height: 3px;
}
.accent-1 { background: linear-gradient(90deg, var(--primary-2), var(--primary)); }
.accent-2 { background: linear-gradient(90deg, var(--accent), var(--pink)); }
.accent-3 { background: linear-gradient(90deg, #38bdf8, #818cf8); }

.project .tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; color: var(--muted);
  letter-spacing: 0.15em; margin-bottom: 10px;
}
.project h3 {
  font-size: 1.4rem; margin-bottom: 10px;
  transition: color 0.3s;
}
.project:hover h3 { color: var(--primary); }
.project p { color: var(--muted); margin-bottom: 16px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; padding: 4px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--card-border);
  border-radius: 999px; color: var(--muted);
}

/* About */
.about { max-width: 900px; }
.about-card {
  background: rgba(15, 23, 48, 0.6);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 50px;
  text-align: left;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}
.about-card p { color: var(--muted); margin-top: 18px; font-size: 1.05rem; }
.about-card b { color: var(--text); }

/* Contact */
.contact .tagline { margin: 20px auto 30px; }
.socials {
  margin-top: 36px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.socials a {
  padding: 10px 20px; border-radius: 999px;
  background: var(--card-bg); border: 1px solid var(--card-border);
  color: var(--muted); text-decoration: none;
  font-family: 'JetBrains Mono', monospace; font-size: 0.85rem;
  transition: all 0.3s;
}
.socials a:hover { color: var(--primary); border-color: var(--primary); transform: translateY(-2px); }

/* Footer */
footer {
  text-align: center; padding: 30px 20px;
  border-top: 1px solid var(--card-border);
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace; font-size: 0.85rem;
}

/* ============ Reveal on Scroll ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }