/* =========================================================
   Upasana Banerjee — portfolio
   Design tokens
   ========================================================= */
:root {
  --bg: #05070e;
  --bg-soft: #080c17;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-strong: rgba(255, 255, 255, 0.055);
  --line: rgba(148, 163, 184, 0.16);
  --line-soft: rgba(148, 163, 184, 0.09);
  --text: #eef2ff;
  --muted: #9aa8c7;
  --faint: #6b7899;
  --indigo: #818cf8;
  --cyan: #22d3ee;
  --pink: #f472b6;
  --green: #34d399;
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1160px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 620px at 12% -12%, rgba(99, 102, 241, 0.18), transparent 62%),
    radial-gradient(720px 540px at 96% 4%, rgba(34, 211, 238, 0.1), transparent 62%),
    radial-gradient(860px 700px at 48% 118%, rgba(244, 114, 182, 0.07), transparent 62%),
    var(--bg);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 80%);
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
  color: inherit;
}

::selection {
  background: rgba(129, 140, 248, 0.35);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.grad-text {
  background: linear-gradient(100deg, #a5b4fc 0%, #22d3ee 54%, #f472b6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--indigo);
  color: #05070e;
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =========================================================
   Header / navigation
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(5, 7, 14, 0.78);
  border-bottom-color: var(--line-soft);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.nav-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, #818cf8, #22d3ee);
  color: #05070e;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 24px -10px rgba(34, 211, 238, 0.65);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-dot {
  color: var(--cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s ease, background 0.2s ease;
}

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

.nav-link.is-active {
  color: var(--text);
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 1.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--indigo), var(--cyan));
}

.nav-cta {
  display: inline-block;
  margin-left: 12px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover,
.nav-cta.is-active {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(34, 211, 238, 0.08);
  box-shadow: 0 0 24px -8px rgba(34, 211, 238, 0.5);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--indigo), var(--cyan), var(--pink));
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: 156px 0 44px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
}

.orb-1 {
  top: -160px;
  left: -120px;
  width: 540px;
  height: 540px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.55), transparent 68%);
}

.orb-2 {
  top: 30px;
  right: -160px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.32), transparent 68%);
}

.orb-3 {
  bottom: -220px;
  left: 38%;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.22), transparent 68%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 56px;
  align-items: center;
  padding-top: 34px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  margin: 0;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.14), 0 0 12px rgba(52, 211, 153, 0.8);
  animation: status-pulse 2.4s ease-in-out infinite;
}

@keyframes status-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.14), 0 0 12px rgba(52, 211, 153, 0.7); }
  50% { box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.06), 0 0 18px rgba(52, 211, 153, 0.9); }
}

.hero-title {
  margin: 24px 0 0;
  font-family: var(--font-display);
  font-size: clamp(3.3rem, 7.2vw, 6.2rem);
  font-weight: 600;
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.hero-line {
  display: block;
}

.hero-line-accent {
  background: linear-gradient(100deg, #a5b4fc 0%, #22d3ee 52%, #f472b6 100%);
  background-size: 180% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-drift 14s ease-in-out infinite alternate;
}

@keyframes gradient-drift {
  from { background-position: 0% 50%; }
  to { background-position: 100% 50%; }
}

.hero-lede {
  max-width: 56ch;
  margin: 26px 0 0;
  font-size: 1.06rem;
  line-height: 1.75;
  color: var(--muted);
}

.hero-lede strong {
  color: var(--text);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease,
    border-color 0.25s ease, color 0.25s ease;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: linear-gradient(120deg, #a5b4fc, #22d3ee);
  color: #05070e;
  font-weight: 600;
  box-shadow: 0 14px 34px -16px rgba(34, 211, 238, 0.7);
}

.btn-primary:hover {
  box-shadow: 0 18px 44px -14px rgba(34, 211, 238, 0.75);
}

.btn-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(129, 140, 248, 0.45);
  background: rgba(129, 140, 248, 0.08);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  padding: 6px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}

/* Hero visual */
.hero-visual {
  position: relative;
  width: 100%;
}

.terminal-card {
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(20, 27, 51, 0.94), rgba(7, 10, 20, 0.97));
  box-shadow:
    0 50px 100px -40px rgba(0, 0, 0, 0.9),
    0 0 0 1px rgba(129, 140, 248, 0.06) inset;
  overflow: hidden;
}

.terminal-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(129, 140, 248, 0.5), transparent 36%, transparent 64%, rgba(34, 211, 238, 0.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.terminal-top {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 46px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.025);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff5f57;
}

.terminal-dots i:nth-child(2) { background: #febc2e; }
.terminal-dots i:nth-child(3) { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.03em;
  color: var(--faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-body {
  padding: 22px 20px 18px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 2;
  color: #c7d2fe;
}

.term-line {
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.term-success {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px dashed rgba(148, 163, 184, 0.16);
}

.tok-key { color: #a5b4fc; }
.tok-val { color: #67e8f9; }
.tok-ok { color: var(--green); }
.tok-dim { color: #64748b; }

.pipeline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  border-top: 1px solid var(--line-soft);
  background: rgba(129, 140, 248, 0.05);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
}

.pipeline span {
  padding: 4px 8px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 5px;
  color: var(--muted);
  background: rgba(5, 7, 14, 0.5);
}

.pipeline i {
  font-style: normal;
  color: var(--faint);
}

.pipeline .pipeline-end {
  border-color: rgba(34, 211, 238, 0.3);
  color: var(--cyan);
}

.floating-badge {
  position: absolute;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(9, 13, 26, 0.88);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 44px -20px rgba(0, 0, 0, 0.9);
  pointer-events: none;
}

.badge-a {
  top: -20px;
  right: -16px;
}

.badge-b {
  bottom: -22px;
  left: -20px;
}

.badge-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.1;
  background: linear-gradient(100deg, #a5b4fc, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.badge-label {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* Stats */
.stats-strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 82px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.stat {
  padding: 26px 26px;
  border-left: 1px solid var(--line-soft);
}

.stat:first-child {
  padding-left: 0;
  border-left: 0;
}

.stat-value {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-display);
  font-size: 2.05rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-suffix {
  font-size: 1.05rem;
  color: var(--indigo);
}

.stat-label {
  display: block;
  margin-top: 9px;
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--faint);
}

.scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin: 30px auto 0;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--faint);
}

.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(var(--indigo), transparent);
  animation: scroll-pulse 2.2s ease-in-out infinite;
  transform-origin: top;
}

@keyframes scroll-pulse {
  0% { transform: scaleY(0.2); opacity: 0.2; }
  45% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(0.2); opacity: 0.2; }
}

/* =========================================================
   Sections
   ========================================================= */
.section {
  position: relative;
  padding: 112px 0;
}

.section + .section {
  border-top: 1px solid rgba(148, 163, 184, 0.055);
}

.section-head {
  max-width: 780px;
  margin-bottom: 54px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--indigo);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, var(--indigo), transparent);
}

.section-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.section-lede {
  max-width: 60ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--muted);
}

/* =========================================================
   About
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 58px;
  align-items: start;
}

.about-copy p {
  max-width: 62ch;
  margin: 0 0 20px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--muted);
}

.about-copy p:first-child {
  font-size: 1.08rem;
  line-height: 1.8;
  color: #c6d0e8;
}

.about-copy strong {
  color: var(--text);
  font-weight: 500;
}

.focus-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(420px 220px at 100% 0%, rgba(34, 211, 238, 0.09), transparent 70%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
  overflow: hidden;
}

.focus-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(129, 140, 248, 0.7), transparent);
}

.focus-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--faint);
}

.focus-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.focus-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.92rem;
  color: #cdd6ea;
}

.focus-list li:last-child {
  border-bottom: 0;
  padding-bottom: 6px;
}

.focus-list span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--indigo);
}

.focus-note {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--faint);
}

/* =========================================================
   Experience
   ========================================================= */
.timeline {
  position: relative;
  display: grid;
  gap: 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 10px;
  width: 1px;
  background: linear-gradient(180deg, rgba(129, 140, 248, 0.6), rgba(34, 211, 238, 0.28), transparent);
}

.timeline-item {
  position: relative;
  padding-left: 50px;
}

.timeline-marker {
  position: absolute;
  top: 26px;
  left: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border: 1px solid rgba(129, 140, 248, 0.45);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 0 5px rgba(5, 7, 14, 0.9);
}

.timeline-marker span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--indigo), var(--cyan));
  box-shadow: 0 0 12px rgba(129, 140, 248, 0.9);
}

.exp-card {
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012));
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.exp-card:hover {
  border-color: rgba(129, 140, 248, 0.32);
  box-shadow: 0 28px 60px -36px rgba(99, 102, 241, 0.55);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
}

.exp-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.exp-company {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.exp-company span {
  color: var(--faint);
  text-transform: none;
  letter-spacing: 0.02em;
}

.exp-role {
  margin: 7px 0 0;
  font-family: var(--font-display);
  font-size: 1.42rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.exp-date {
  flex-shrink: 0;
  margin: 0;
  padding: 6px 11px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--faint);
  white-space: nowrap;
}

.exp-points {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.exp-points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.93rem;
  line-height: 1.72;
  color: var(--muted);
}

.exp-points li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--indigo);
  opacity: 0.75;
}

.exp-points strong {
  color: var(--text);
  font-weight: 500;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.tag-row li {
  padding: 5px 9px;
  border: 1px solid rgba(129, 140, 248, 0.18);
  border-radius: 6px;
  background: rgba(129, 140, 248, 0.07);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
  color: #b3bdf8;
}

/* =========================================================
   Projects
   ========================================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  position: relative;
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  min-height: 292px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.project-card:nth-child(1),
.project-card:nth-child(2) {
  grid-column: span 3;
  min-height: 310px;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    340px circle at var(--mx, 50%) var(--my, 0%),
    rgba(129, 140, 248, 0.16),
    transparent 66%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.project-card:hover {
  border-color: rgba(129, 140, 248, 0.38);
  box-shadow: 0 30px 70px -42px rgba(99, 102, 241, 0.75);
}

.project-card:hover::after {
  opacity: 1;
}

.project-top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.project-index {
  display: inline-grid;
  place-items: center;
  min-width: 30px;
  height: 26px;
  padding: 0 7px;
  border: 1px solid rgba(129, 140, 248, 0.28);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--indigo);
  background: rgba(129, 140, 248, 0.06);
}

.project-kind {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faint);
  text-align: right;
}

.project-title {
  position: relative;
  z-index: 2;
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.34rem;
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.025em;
}

.project-card:nth-child(1) .project-title,
.project-card:nth-child(2) .project-title {
  font-size: 1.48rem;
}

.project-desc {
  position: relative;
  z-index: 2;
  flex-grow: 1;
  margin: 0 0 22px;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
}

.project-card .tag-row {
  position: relative;
  z-index: 2;
  margin-top: auto;
}

/* =========================================================
   Skills
   ========================================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.skill-card {
  grid-column: span 2;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(158deg, rgba(255, 255, 255, 0.038), rgba(255, 255, 255, 0.01));
  transition: border-color 0.3s ease, background 0.3s ease;
}

.skill-card:nth-child(3) {
  grid-column: span 4;
}

.skill-card:hover {
  border-color: rgba(34, 211, 238, 0.28);
  background: linear-gradient(158deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.014));
}

.skill-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}

.skill-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--indigo);
}

.skill-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip {
  padding: 7px 11px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.028);
  font-size: 0.79rem;
  color: #c3cde3;
  cursor: default;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.chip:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, 0.34);
  background: rgba(34, 211, 238, 0.07);
  color: var(--text);
}

/* =========================================================
   Education & honors
   ========================================================= */
.edu-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 20px;
}

.edu-card,
.honors-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(255, 255, 255, 0.042), rgba(255, 255, 255, 0.012));
}

.edu-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--indigo);
}

.edu-degree {
  margin: 16px 0 10px;
  font-family: var(--font-display);
  font-size: 1.62rem;
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.025em;
}

.edu-school {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

.gpa-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.gpa-value {
  font-family: var(--font-display);
  font-size: 2.9rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(100deg, #a5b4fc, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gpa-value span {
  font-size: 1rem;
  letter-spacing: 0;
  color: var(--faint);
  -webkit-text-fill-color: var(--faint);
}

.gpa-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faint);
}

.honor-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.honor-list li {
  display: flex;
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-soft);
}

.honor-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.honor-rank {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.9), rgba(34, 211, 238, 0.9));
  color: #05070e;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
}

.honor-list h3 {
  margin: 1px 0 0;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.35;
}

.honor-list p {
  margin: 5px 0 0;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--faint);
}

/* =========================================================
   Contact
   ========================================================= */
.contact {
  padding-bottom: 120px;
}

.contact-card {
  position: relative;
  padding: 76px 40px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background:
    radial-gradient(700px 320px at 50% -10%, rgba(129, 140, 248, 0.16), transparent 70%),
    radial-gradient(500px 260px at 90% 110%, rgba(34, 211, 238, 0.1), transparent 70%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  text-align: center;
  overflow: hidden;
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 0%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 70% at 50% 0%, #000, transparent 75%);
  pointer-events: none;
}

.contact-card .eyebrow {
  justify-content: center;
}

.contact-card .eyebrow::before {
  background: linear-gradient(90deg, transparent, var(--indigo));
}

.contact-title {
  position: relative;
  max-width: 760px;
  margin: 10px auto 18px;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.contact-lede {
  position: relative;
  max-width: 580px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--muted);
}

.contact-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.social-links {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease,
    box-shadow 0.25s ease;
}

.social-link svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.social-link:hover {
  color: var(--text);
  border-color: rgba(34, 211, 238, 0.45);
  background: rgba(34, 211, 238, 0.08);
  box-shadow: 0 10px 30px -18px rgba(34, 211, 238, 0.6);
}

.contact-links {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 40px;
  margin: 34px 0 0;
  padding: 30px 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
}

.contact-links li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--faint);
}

.contact-links a,
.contact-links li > span:last-child {
  font-size: 0.88rem;
  color: #c6d0e8;
  transition: color 0.2s ease;
}

.contact-links a:hover {
  color: var(--cyan);
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 26px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-inner p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--faint);
}

.footer-inner a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: rgba(148, 163, 184, 0.4);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.footer-inner a:hover {
  color: var(--text);
  text-decoration-color: var(--cyan);
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--faint);
  transition: color 0.2s ease;
}

.back-to-top:hover {
  color: var(--cyan);
}

.back-to-top span {
  font-size: 0.9rem;
  line-height: 1;
}

/* =========================================================
   Animation initial states (only when JS + anime.js ready)
   ========================================================= */
.js [data-reveal],
.js [data-reveal-group] .reveal-item,
.js .hero-eyebrow,
.js .hero-line,
.js .hero-lede,
.js .hero-actions,
.js .hero-tags,
.js .terminal-card,
.js .floating-badge,
.js .stats-strip .stat {
  opacity: 0;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1100px) {
  .hero-inner {
    gap: 40px;
  }

  .exp-card {
    padding: 26px;
  }
}

@media (max-width: 980px) {
  .hero {
    padding-top: 132px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .hero-visual {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
  }

  .hero-lede {
    max-width: 64ch;
  }

  .stats-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 64px;
  }

  .stat:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .stat:nth-child(n + 3) {
    border-top: 1px solid var(--line-soft);
  }

  .stat:nth-child(2) {
    padding-right: 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .focus-card {
    max-width: 640px;
  }

  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skill-card,
  .skill-card:nth-child(3) {
    grid-column: span 1;
  }

  .skill-card:nth-child(3) {
    grid-column: span 2;
  }

  .edu-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 24px;
    right: 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(8, 12, 23, 0.98);
    box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
  }

  .nav-links.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-link {
    padding: 11px 14px;
  }

  .nav-link.is-active::after {
    left: 14px;
    right: 14px;
    bottom: 6px;
  }

  .nav-cta {
    margin: 6px 0 0;
    padding: 11px 16px;
    text-align: center;
  }

  body.nav-open {
    overflow: hidden;
  }

  .site-header .container {
    width: calc(100% - 32px);
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 86px;
  }

  .section {
    padding: 84px 0;
  }

  .section-head {
    margin-bottom: 38px;
  }

  .hero {
    padding-top: 122px;
  }

  .timeline-item {
    padding-left: 38px;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-marker {
    width: 17px;
    height: 17px;
    top: 25px;
  }

  .timeline-marker span {
    width: 6px;
    height: 6px;
  }

  .exp-card {
    padding: 22px;
  }

  .exp-head {
    flex-direction: column;
    gap: 12px;
  }

  .exp-date {
    align-self: flex-start;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-card:nth-child(1),
  .project-card:nth-child(2) {
    grid-column: 1 / -1;
    min-height: 0;
  }

  .project-card:nth-child(1) .project-title,
  .project-card:nth-child(2) .project-title {
    font-size: 1.34rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .skill-card,
  .skill-card:nth-child(3) {
    grid-column: span 1;
  }

  .contact-card {
    padding: 54px 22px;
    border-radius: 24px;
  }

  .contact-links {
    gap: 16px 26px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .container {
    width: calc(100% - 32px);
  }

  .nav-inner {
    height: 68px;
  }

  .hero {
    padding-top: 112px;
  }

  .hero-title {
    font-size: clamp(2.85rem, 15vw, 4rem);
  }

  .hero-lede {
    font-size: 0.98rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-tags li {
    font-size: 0.6rem;
  }

  .terminal-body {
    padding: 18px 14px 14px;
    font-size: 0.68rem;
    line-height: 1.95;
  }

  .terminal-title {
    font-size: 0.58rem;
  }

  .pipeline {
    gap: 5px;
    padding: 12px 14px;
    font-size: 0.55rem;
  }

  .floating-badge {
    display: none;
  }

  .stats-strip {
    margin-top: 52px;
  }

  .stat {
    padding: 20px 16px;
  }

  .stat-value {
    font-size: 1.72rem;
  }

  .stat-suffix {
    font-size: 0.88rem;
  }

  .stat-label {
    font-size: 0.68rem;
  }

  .section-title {
    font-size: clamp(1.85rem, 8vw, 2.4rem);
  }

  .exp-role {
    font-size: 1.25rem;
  }

  .edu-card,
  .honors-card {
    padding: 24px;
  }

  .edu-degree {
    font-size: 1.35rem;
  }

  .gpa-value {
    font-size: 2.4rem;
  }

  .contact-card {
    padding: 46px 18px;
  }

  .contact-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-actions .btn {
    padding: 12px 14px;
    font-size: 0.82rem;
  }

  .contact-actions .btn svg {
    width: 15px;
    height: 15px;
  }

  .social-link {
    padding: 9px 13px;
    font-size: 0.8rem;
  }

  .contact-links {
    flex-direction: column;
    align-items: center;
    gap: 18px;
  }
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal],
  .js [data-reveal-group] .reveal-item,
  .js .hero-eyebrow,
  .js .hero-line,
  .js .hero-lede,
  .js .hero-actions,
  .js .hero-tags,
  .js .terminal-card,
  .js .floating-badge,
  .js .stats-strip .stat {
    opacity: 1;
  }
}