/* Global theme variables driven by scroll */
:root {
  --theme-hsl: 200 95% 62%;
  --theme-name: Cyan;
  --bg-0: #070a12;
  --bg-1: #060814;
  --card: rgba(255, 255, 255, 0.06);
  --card-2: rgba(255, 255, 255, 0.08);
  --stroke: rgba(255, 255, 255, 0.10);
  --stroke-2: rgba(255, 255, 255, 0.14);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Manrope, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans",
    sans-serif;
  background: radial-gradient(1200px 900px at 20% 0%, rgba(255, 255, 255, 0.06), transparent 60%),
    radial-gradient(1000px 700px at 80% 10%, hsl(var(--theme-hsl) / 0.18), transparent 55%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.skip-link:focus {
  left: 12px;
}

/* Background system */
#bg {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -1;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(800px 500px at 50% 10%, black 35%, transparent 70%);
  opacity: 0.35;
}

.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.bg-blobs {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.blob {
  position: absolute;
  width: min(70vmax, 920px);
  height: min(70vmax, 920px);
  border-radius: 999px;
  filter: blur(60px);
  opacity: 0.55;
  background: radial-gradient(circle at 30% 30%, hsl(var(--theme-hsl) / 0.65), transparent 60%);
  transform: translate3d(0, 0, 0);
}

.blob-a {
  left: -18vmax;
  top: -20vmax;
}
.blob-b {
  right: -22vmax;
  top: -12vmax;
  opacity: 0.4;
}
.blob-c {
  left: 10vmax;
  bottom: -28vmax;
  opacity: 0.35;
}

.spotlight {
  position: absolute;
  inset: -10%;
  background: radial-gradient(600px 500px at var(--mx, 50%) var(--my, 30%), hsl(var(--theme-hsl) / 0.16), transparent 65%);
  transition: background 120ms linear;
  opacity: 0.9;
}

/* Layout helpers */
.section {
  position: relative;
  padding: 92px 0;
}

.section-head {
  margin-bottom: 22px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: hsl(var(--theme-hsl));
  box-shadow: 0 0 30px hsl(var(--theme-hsl) / 0.55);
}

.h2 {
  margin-top: 10px;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.lead {
  margin-top: 14px;
  max-width: 70ch;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.7;
}

.gradient-text {
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.92), hsl(var(--theme-hsl) / 0.95), rgba(255, 255, 255, 0.92));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 40px hsl(var(--theme-hsl) / 0.18);
}

/* Magic UI-ish components */
.card {
  position: relative;
  border-radius: 22px;
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, var(--card), rgba(0, 0, 0, 0.15));
  padding: 22px;
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 22px;
  padding: 1px;
  background: radial-gradient(400px 220px at var(--hx, 30%) var(--hy, 20%), hsl(var(--theme-hsl) / 0.55), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.02));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  pointer-events: none;
}

.hover-card {
  transition: transform 240ms ease, border-color 240ms ease, background 240ms ease;
}

.hover-card:hover {
  transform: translateY(-2px);
  border-color: var(--stroke-2);
  background: linear-gradient(180deg, var(--card-2), rgba(0, 0, 0, 0.2));
}

.dot {
  margin-top: 0.35rem;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: hsl(var(--theme-hsl));
  box-shadow: 0 0 22px hsl(var(--theme-hsl) / 0.55);
  flex: 0 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.35);
  padding: 6px 10px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
}

.badge-soft {
  border-color: rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.06);
}

.pill {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.05);
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.82);
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  padding: 10px 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.86);
  transition: transform 200ms ease, background 200ms ease, border-color 200ms ease;
}
.chip:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.20);
}
.chip-primary {
  border-color: hsl(var(--theme-hsl) / 0.45);
  background: radial-gradient(240px 90px at 20% 20%, hsl(var(--theme-hsl) / 0.35), rgba(255, 255, 255, 0.06));
}

.nav-link {
  border-radius: 14px;
  padding: 10px 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
  transition: background 200ms ease, color 200ms ease, transform 200ms ease;
}
.nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.92);
  transform: translateY(-1px);
}
.nav-link.is-active {
  color: rgba(255, 255, 255, 0.95);
  background: radial-gradient(260px 80px at 20% 30%, hsl(var(--theme-hsl) / 0.28), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  padding: 12px 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  transition: transform 220ms ease, background 220ms ease, border-color 220ms ease;
}
.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.09);
}
.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}

.btn-primary {
  border-color: hsl(var(--theme-hsl) / 0.55);
  background: radial-gradient(220px 110px at 20% 20%, hsl(var(--theme-hsl) / 0.42), rgba(255, 255, 255, 0.06));
}

.btn-ghost {
  background: rgba(0, 0, 0, 0.25);
}

.btn-icon {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.28);
}

.stat {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  padding: 12px 12px;
}
.stat-k {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}
.stat-v {
  margin-top: 3px;
  font-size: 14px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
}

/* Portrait */
.portrait-frame {
  position: relative;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.2));
  padding: 14px;
  overflow: hidden;
  transform: translate3d(0, 0, 0);
}

.portrait-glow {
  position: absolute;
  inset: -40%;
  background: radial-gradient(600px 500px at 50% 35%, hsl(var(--theme-hsl) / 0.36), transparent 62%);
  filter: blur(30px);
  opacity: 0.7;
}

.portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 30px 120px rgba(0, 0, 0, 0.55);
}

.portrait-cut {
  /* Best-effort background removal for white backdrop (pure CSS). */
  mix-blend-mode: multiply;
  filter: contrast(1.08) saturate(1.08) brightness(1.02);
}

.portrait-frame {
  isolation: isolate;
}

.portrait-frame::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 22px;
  pointer-events: none;
  /* Soft vignette to hide white edges */
  background: radial-gradient(70% 75% at 50% 35%, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
  mix-blend-mode: multiply;
  opacity: 0.85;
}

/* Infinite life: marquee + subtle shimmers */
.marquee {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(0, 0, 0, 0.22);
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 24px;
  padding: 12px 14px;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.70);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 11px;
  animation: marquee 18s linear infinite;
}
@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-33.333%);
  }
}

.card,
.project-card,
.portrait-frame {
  background-size: 200% 200%;
}

html[data-fx="on"] .card::before,
html[data-fx="on"] .project-card::before {
  animation: sheen 6s ease-in-out infinite;
}
@keyframes sheen {
  0% {
    opacity: 0.35;
    filter: blur(0px);
  }
  50% {
    opacity: 0.75;
    filter: blur(0.5px);
  }
  100% {
    opacity: 0.35;
    filter: blur(0px);
  }
}

.portrait-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  padding: 10px 12px;
}

/* Timeline */
.timeline {
  display: grid;
  gap: 18px;
}
.timeline-item {
  position: relative;
}
.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

/* Projects horizontal rail */
.projects-rail {
  position: relative;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(0, 0, 0, 0.18);
  overflow: hidden;
}
.projects-track {
  display: flex;
  gap: 16px;
  padding: 16px;
  will-change: transform;
}
.project-card {
  flex: 0 0 min(420px, 86vw);
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(0, 0, 0, 0.18));
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 22px;
  padding: 1px;
  background: radial-gradient(300px 180px at 30% 20%, hsl(var(--theme-hsl) / 0.48), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  pointer-events: none;
}
.project-card-highlight {
  border-color: hsl(var(--theme-hsl) / 0.50);
}
.project-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}
.project-title {
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: 18px;
}
.project-sub {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}
.project-tags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  padding: 6px 10px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
}
.tag-lg {
  padding: 9px 12px;
  font-weight: 600;
}
.project-body {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.80);
  line-height: 1.7;
}

/* Skills & contact */
.skill {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  padding: 12px 12px;
}
.skill-k {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}
.skill-v {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.6;
}

.contact {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.05);
  padding: 12px 14px;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}
.contact:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.20);
  background: rgba(255, 255, 255, 0.08);
}
.contact-k {
  font-weight: 800;
}
.contact-v {
  color: rgba(255, 255, 255, 0.70);
  text-align: right;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .hover-card,
  .btn,
  .chip,
  .nav-link,
  .contact {
    transition: none !important;
  }
}