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

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --surface: #1a1a24;
  --border: #2a2a38;
  --text: #e8e8f0;
  --text-muted: #8888a8;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --green: #22c55e;
  --yellow: #eab308;
  --radius: 12px;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

/* SCROLL PROGRESS */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  z-index: 999;
  transition: width 0.1s linear;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--accent);
}

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

nav ul a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-cta {
  color: var(--accent) !important;
  font-weight: 600;
}

/* HAMBURGER */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.25s;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 600px) {
  .nav-hamburger { display: flex; }

  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
  }

  nav ul.open { display: flex; }

  nav ul li a {
    display: block;
    padding: 0.85rem 2rem;
    font-size: 1rem;
  }
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 6rem 2rem 4rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(99,102,241,0.15) 0%, transparent 70%),
    var(--bg);
}

.hero-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-family: var(--mono);
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

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

.typed::after {
  content: '|';
  animation: blink 0.7s step-end infinite;
  margin-left: 2px;
  color: var(--accent);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--text);
  background: transparent;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

.hero-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
  flex-wrap: wrap;
}

.stat { display: flex; flex-direction: column; align-items: center; }
.stat-num { font-size: 1.8rem; font-weight: 800; color: var(--text); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-family: var(--mono); }

/* SECTIONS */
.section { padding: 6rem 2rem; }
.section-dark { background: var(--bg2); }

.container { max-width: 1100px; margin: 0 auto; }

.section-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-sub {
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

/* FILTER BAR */
.filter-bar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover { border-color: var(--accent); color: var(--text); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.filter-count {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  font-size: 0.68rem;
  padding: 0.05rem 0.35rem;
  border-radius: 999px;
  margin-left: 0.3rem;
  font-family: var(--mono);
  vertical-align: middle;
}
.filter-btn:not(.active) .filter-count {
  background: rgba(99,102,241,0.15);
  color: var(--accent);
}

.card.card-fading { opacity: 0; pointer-events: none; }
.card.hidden { display: none; }

/* PROJECT CARDS */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s, opacity 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.card-featured { grid-column: span 2; }
@media (max-width: 700px) { .card-featured { grid-column: span 1; } }

.card-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-badge-featured {
  background: #92400e;
  color: #fde68a;
  border: 1px solid #d97706;
}

.card-badge-wip {
  background: #0e4f4f;
  color: #5eead4;
  border: 1px solid #14b8a6;
}

.card { position: relative; }

.placeholder-img {
  height: 140px;
  background: linear-gradient(135deg, var(--c1), var(--c2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.card-featured .placeholder-img { height: 180px; }

.card-img img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
}

.card-featured .card-img img { height: 180px; }

.card-body { padding: 1.25rem; }

.card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.card-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.card-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 1rem; }

.tag {
  font-size: 0.72rem;
  font-family: var(--mono);
  background: rgba(99,102,241,0.12);
  color: var(--accent-hover);
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  border: 1px solid rgba(99,102,241,0.2);
}

.card-links { display: flex; gap: 1rem; font-size: 0.85rem; }
.card-links a { color: var(--accent); font-weight: 500; transition: color 0.2s; }
.card-links a:hover { color: var(--accent-hover); }

.coming-soon {
  font-size: 0.8rem;
  font-family: var(--mono);
  color: var(--text-muted);
  font-style: italic;
}

.wip-badge {
  display: inline-block;
  font-size: 0.65rem;
  background: rgba(234,179,8,0.15);
  color: var(--yellow);
  border: 1px solid rgba(234,179,8,0.25);
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  font-family: var(--mono);
  vertical-align: middle;
  margin-left: 0.4rem;
  font-weight: 500;
}

/* SKILLS */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.skill-group h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-family: var(--mono);
  margin-bottom: 1rem;
}

.skill-group ul { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.skill-group li { display: flex; align-items: center; gap: 0.6rem; font-size: 0.95rem; }

.skill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.skill-dot.active { background: var(--green); box-shadow: 0 0 6px rgba(34,197,94,0.5); }
.skill-dot.learning { background: var(--yellow); box-shadow: 0 0 6px rgba(234,179,8,0.4); }

.skill-legend {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
}

/* ABOUT */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 700px) { .about-inner { grid-template-columns: 1fr; } }

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.75;
}

.about-links { display: flex; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap; }

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  border-left: 3px solid var(--accent);
}

.about-card-quote {
  font-style: italic;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 1rem;
}

.about-card-source {
  font-size: 0.8rem;
  font-family: var(--mono);
  color: var(--text-muted);
}

/* PAGE LOAD ANIMATION */
body.loading * { animation-play-state: paused !important; }

.hero-inner, nav, .section { opacity: 0; transform: translateY(10px); transition: opacity 0.25s ease, transform 0.25s ease; }
.hero-inner { transition-delay: 0.05s; }
nav { transform: translateY(-10px); transition-delay: 0s; }

body.loaded .hero-inner,
body.loaded nav,
body.loaded .section { opacity: 1; transform: translateY(0); }

/* GLOW BORDER — FEATURED CARD */
.card-featured {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 1px var(--accent), 0 0 24px rgba(99,102,241,0.35), 0 0 48px rgba(99,102,241,0.15);
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 1px var(--accent), 0 0 24px rgba(99,102,241,0.35), 0 0 48px rgba(99,102,241,0.15); }
  50% { box-shadow: 0 0 0 1px var(--accent-hover), 0 0 32px rgba(129,140,248,0.5), 0 0 64px rgba(129,140,248,0.2); }
}

/* TOOLTIPS */
.record-stat { position: relative; }
.record-stat[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #1e1e2e;
  color: var(--text);
  font-size: 0.72rem;
  font-family: var(--mono);
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  white-space: nowrap;
  border: 1px solid var(--border);
  z-index: 10;
  pointer-events: none;
}
.record-stat[data-tooltip]:hover::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--border);
  z-index: 10;
}

/* SECTION VARIANTS */
.section-alt { background: #0d0d14; }

/* SCRATCH RECORD */
.record-nums {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.record-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 90px;
  flex: 1;
  transition: border-color 0.2s, transform 0.2s;
  cursor: default;
}
.record-stat:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.record-num {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--mono);
  letter-spacing: -0.02em;
}

.record-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.2rem;
  font-family: var(--mono);
}

.record-badges {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.badge-chip {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  transition: border-color 0.2s;
}

.badge-chip:hover { border-color: var(--accent); }

.badge-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.badge-title {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

.badge-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  font-family: var(--mono);
}

/* FIND ME */
.find-me {
  padding: 5rem 2rem;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(99,102,241,0.08) 0%, transparent 70%), var(--bg2);
  text-align: center;
}

.find-me h2 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
}

.find-me-links {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
}

.find-me-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem 2.5rem;
  min-width: 160px;
  transition: border-color 0.2s, transform 0.2s;
}

.find-me-btn:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.find-me-icon { font-size: 2rem; }

.find-me-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.find-me-sub {
  font-size: 0.75rem;
  font-family: var(--mono);
  color: var(--text-muted);
}

/* NAV COUNT */
.nav-count {
  display: inline-block;
  background: rgba(99,102,241,0.15);
  color: var(--accent);
  font-size: 0.65rem;
  font-family: var(--mono);
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  margin-left: 0.3rem;
  vertical-align: middle;
}

/* ACTIVE NAV */
nav ul a.active {
  color: var(--text) !important;
  font-weight: 600;
}

/* CARD THUMBNAIL ZOOM */
.card-img { overflow: hidden; }
.card-img img {
  transition: transform 0.35s ease;
}
.card:hover .card-img img {
  transform: scale(1.06);
}

/* BACK TO TOP */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}
.back-to-top:hover { transform: translateY(-3px); background: var(--accent-hover); }

/* FOOTER */
footer {
  text-align: center;
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

.footer-copy { font-size: 0.78rem; }

/* FADE IN ANIMATION */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 600px) {
  nav ul { gap: 1rem; }
  .hero h1 { font-size: 2.5rem; }
  .hero-stats { gap: 2rem; }
  .projects-grid { grid-template-columns: 1fr; }
}