/* ===== Design tokens (degen.tips inspired) ===== */
:root {
  --bg: #0b0910;
  --bg-2: #110e15;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.10);
  --border-soft: rgba(255, 255, 255, 0.06);
  --text: #ece8f3;
  --text-dim: #b0a7c2;
  --text-mute: #7d7591;
  --accent: #a36efd;
  --accent-2: #c89bff;
  --accent-glow: rgba(163, 110, 253, 0.45);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

/* ===== Background layers ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: -3;
  background:
    linear-gradient(var(--bg), var(--bg-2)),
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 100% 64px,
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 64px 100%;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}
.bg-glow {
  position: fixed; z-index: -2; border-radius: 50%;
  filter: blur(120px); opacity: 0.5; pointer-events: none;
}
.glow-1 { width: 520px; height: 520px; top: -160px; left: -80px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  animation: float1 16s var(--ease) infinite; }
.glow-2 { width: 460px; height: 460px; top: 40%; right: -120px;
  background: radial-gradient(circle, rgba(120, 90, 255, 0.35), transparent 70%);
  animation: float2 20s var(--ease) infinite; }
@keyframes float1 { 50% { transform: translate(60px, 80px) scale(1.15); } }
@keyframes float2 { 50% { transform: translate(-70px, -50px) scale(1.1); } }

.noise {
  position: fixed; inset: 0; z-index: -1; opacity: 0.035; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== Typography helpers ===== */
.grad {
  background: linear-gradient(120deg, #ffffff 0%, var(--accent-2) 45%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ===== Nav ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 48px);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11, 9, 16, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.nav__brand {
  font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.35rem;
  color: var(--text); text-decoration: none; letter-spacing: -0.02em;
}
.nav__brand span { color: var(--accent); }
.nav__links { display: flex; gap: clamp(14px, 2.4vw, 32px); }
.nav__links a {
  color: var(--text-dim); text-decoration: none; font-size: 0.92rem; font-weight: 500;
  position: relative; transition: color 0.25s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px; height: 1.5px; width: 0;
  background: var(--accent); transition: width 0.3s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }
@media (max-width: 720px) { .nav__links { display: none; } }

/* ===== Buttons ===== */
.btn {
  --pad: 12px 22px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: var(--pad); border-radius: 999px; text-decoration: none;
  font-weight: 600; font-size: 0.95rem; letter-spacing: -0.01em;
  color: #120c1c; background: linear-gradient(120deg, #fff, var(--accent-2));
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.3s var(--ease), opacity 0.25s;
  box-shadow: 0 8px 30px -12px var(--accent-glow);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -12px var(--accent-glow); }
.btn--ghost {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); box-shadow: none; backdrop-filter: blur(6px);
}
.btn--ghost:hover { background: var(--surface-2); border-color: var(--accent); box-shadow: none; }
.btn--sm { --pad: 9px 18px; font-size: 0.86rem; }
.btn--lg { --pad: 16px 30px; font-size: 1rem; }
@media (max-width: 720px) { .nav .btn--sm { display: none; } }

/* ===== Layout ===== */
main { position: relative; z-index: 1; }
.section {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(70px, 12vh, 130px) clamp(20px, 5vw, 48px);
}
.section__head { margin-bottom: 48px; }
.tag {
  display: inline-block; font-family: "Space Grotesk", sans-serif;
  font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
  padding: 5px 12px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface);
}
.section__title {
  font-family: "Space Grotesk", sans-serif; font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -0.03em; line-height: 1.05;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative;
  max-width: var(--maxw); margin: 0 auto;
  padding: 120px clamp(20px, 5vw, 48px) 80px;
}
.hero__inner { max-width: 820px; }
.hero__eyebrow {
  font-family: "Space Grotesk", sans-serif; color: var(--accent);
  font-size: clamp(0.82rem, 1.6vw, 1rem); letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 22px;
}
.hero__title {
  font-family: "Space Grotesk", sans-serif; font-weight: 700;
  font-size: clamp(3.4rem, 12vw, 8rem); line-height: 0.92;
  letter-spacing: -0.04em; margin-bottom: 28px;
}
.hero__title .line { display: block; }
.hero__lede {
  font-size: clamp(1.05rem, 2.2vw, 1.4rem); color: var(--text-dim);
  max-width: 640px; margin-bottom: 38px;
}
.hero__lede em { color: var(--text); font-style: normal;
  background: linear-gradient(transparent 62%, var(--accent-glow) 62%); }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 60px; }
.hero__stats {
  display: flex; gap: clamp(24px, 5vw, 60px); flex-wrap: wrap;
  padding-top: 32px; border-top: 1px solid var(--border-soft);
}
.stat { display: flex; flex-direction: column; }
.stat__num {
  font-family: "Space Grotesk", sans-serif; font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1; color: var(--text);
}
.stat__label { font-size: 0.85rem; color: var(--text-mute); margin-top: 6px; }

.scroll-hint {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid var(--border); border-radius: 999px;
}
.scroll-hint span {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; border-radius: 2px; background: var(--accent);
  animation: scrollDot 1.8s var(--ease) infinite;
}
@keyframes scrollDot { 50% { transform: translate(-50%, 14px); opacity: 0.3; } }

/* ===== About ===== */
.about__text {
  font-size: clamp(1.2rem, 3vw, 1.9rem); line-height: 1.5; letter-spacing: -0.01em;
  color: var(--text-dim); max-width: 900px;
}
.about__text strong { color: var(--text); font-weight: 600; }

/* ===== Skills ===== */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.card {
  padding: 28px 26px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border-soft);
  transition: transform 0.35s var(--ease), border-color 0.35s, background 0.35s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(140deg, var(--accent-glow), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.35s;
}
.card:hover { transform: translateY(-6px); background: var(--surface-2); }
.card:hover::before { opacity: 1; }
.card h3 {
  font-family: "Space Grotesk", sans-serif; font-size: 1.12rem; font-weight: 600;
  margin-bottom: 16px; letter-spacing: -0.01em;
}
.card ul { list-style: none; }
.card li {
  font-size: 0.92rem; color: var(--text-dim); padding: 6px 0 6px 18px; position: relative;
}
.card li::before {
  content: ""; position: absolute; left: 0; top: 14px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}

/* ===== Timeline ===== */
.timeline { position: relative; padding-left: 8px; }
.tl-item {
  position: relative; display: grid; grid-template-columns: 200px 1fr; gap: 30px;
  padding: 34px 0 34px 34px; border-left: 1px solid var(--border);
}
.tl-item:last-child { border-left-color: transparent; }
.tl-item__dot {
  position: absolute; left: -6px; top: 40px; width: 11px; height: 11px;
  border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 5px rgba(163,110,253,0.15), 0 0 18px var(--accent-glow);
}
.tl-item__meta { display: flex; flex-direction: column; gap: 4px; padding-top: 4px; }
.tl-item__date {
  font-family: "Space Grotesk", sans-serif; font-weight: 600; color: var(--text);
  font-size: 0.95rem;
}
.tl-item__place { font-size: 0.85rem; color: var(--text-mute); }
.tl-item__body h3 {
  font-family: "Space Grotesk", sans-serif; font-size: 1.35rem; font-weight: 600;
  letter-spacing: -0.02em; margin-bottom: 4px;
}
.tl-item__org { color: var(--accent); font-weight: 500; margin-bottom: 16px; }
.tl-item__body ul { list-style: none; display: grid; gap: 10px; }
.tl-item__body li {
  color: var(--text-dim); font-size: 0.98rem; padding-left: 20px; position: relative;
}
.tl-item__body li::before {
  content: "→"; position: absolute; left: 0; color: var(--accent); font-size: 0.9rem;
}
@media (max-width: 700px) {
  .tl-item { grid-template-columns: 1fr; gap: 14px; }
}

/* ===== Education / Certs ===== */
.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 760px) { .edu-grid { grid-template-columns: 1fr; } }
.edu-col {
  padding: 30px 28px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border-soft);
}
.edu-col__title {
  font-family: "Space Grotesk", sans-serif; font-size: 1.15rem; font-weight: 600;
  margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border-soft);
}
.edu-col__title--sub { margin-top: 28px; }
.edu-item { margin-bottom: 22px; }
.edu-item h4 { font-size: 1.05rem; font-weight: 600; margin-bottom: 3px; }
.edu-item p { color: var(--text-dim); font-size: 0.92rem; margin-bottom: 10px; }
.pill {
  display: inline-block; font-size: 0.78rem; padding: 5px 12px; border-radius: 999px;
  background: rgba(163,110,253,0.12); color: var(--accent-2);
  border: 1px solid rgba(163,110,253,0.25);
}
.cert-list { list-style: none; display: grid; gap: 14px; }
.cert-list li {
  color: var(--text-dim); font-size: 0.95rem; padding-left: 22px; position: relative;
}
.cert-list li::before {
  content: "✦"; position: absolute; left: 0; color: var(--accent); font-size: 0.85rem; top: 2px;
}
.cert-list li span { color: var(--text); font-weight: 600; }

/* ===== Contact ===== */
.contact { text-align: center; }
.contact__inner { max-width: 760px; margin: 0 auto; }
.contact__title {
  font-family: "Space Grotesk", sans-serif; font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4rem); line-height: 1.05; letter-spacing: -0.03em;
  margin: 18px 0 20px;
}
.contact__text { color: var(--text-dim); font-size: 1.1rem; margin-bottom: 36px; }
.contact__links { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.contact__loc { margin-top: 30px; color: var(--text-mute); font-size: 0.95rem; }

/* ===== Footer ===== */
.footer {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 34px clamp(20px, 5vw, 48px); border-top: 1px solid var(--border-soft);
  color: var(--text-mute); font-size: 0.88rem;
}

/* ===== Reveal animation base (JS-driven) ===== */
[data-reveal] { opacity: 0; transform: translateY(28px); }
.no-js [data-reveal] { opacity: 1; transform: none; }