:root {
  --bg: #070b17;
  --bg-soft: #101a33;
  --surface: rgba(16, 26, 51, 0.62);
  --surface-strong: rgba(20, 33, 63, 0.8);
  --line: rgba(166, 189, 255, 0.2);
  --line-strong: rgba(163, 227, 255, 0.34);
  --text: #f1f5ff;
  --muted: #a8b4d3;
  --primary: #8ba1ff;
  --primary-strong: #67d7ff;
  --success: #51de9f;
  --shadow: 0 24px 60px rgba(2, 7, 22, 0.45);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at 18% 2%, rgba(89, 117, 255, 0.16), transparent 32%),
    radial-gradient(circle at 88% 8%, rgba(74, 196, 255, 0.12), transparent 30%),
    linear-gradient(165deg, #060913 0%, #070b17 38%, #04070f 100%);
  overflow-x: hidden;
}

.aurora {
  position: fixed;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
  z-index: -2;
}

.aurora-1 {
  width: 35rem;
  height: 35rem;
  background: rgba(130, 104, 255, 0.55);
  top: -12rem;
  left: -10rem;
  animation: drift-1 16s ease-in-out infinite alternate;
}

.aurora-2 {
  width: 28rem;
  height: 28rem;
  background: rgba(96, 214, 255, 0.45);
  top: 12rem;
  right: -8rem;
  animation: drift-2 20s ease-in-out infinite alternate;
}

.aurora-3 {
  width: 24rem;
  height: 24rem;
  background: rgba(71, 255, 173, 0.24);
  bottom: -8rem;
  left: 36%;
  animation: drift-3 14s ease-in-out infinite alternate;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.18;
  background-image: radial-gradient(rgba(255, 255, 255, 0.25) 0.45px, transparent 0.45px);
  background-size: 4px 4px;
}

.scroll-progress {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  transform-origin: left;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--primary), var(--primary-strong));
  z-index: 60;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  background: rgba(7, 12, 23, 0.7);
}

.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand-icon {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  display: block;
  box-shadow: 0 8px 18px rgba(83, 184, 255, 0.35);
}

nav {
  display: flex;
  gap: 1.1rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 550;
  position: relative;
  transition: color 0.2s ease;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.36rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-strong));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

nav a:hover,
nav a.active {
  color: var(--text);
}

nav a:hover::after,
nav a.active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.hero {
  padding: 88px 0 50px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.88fr;
  gap: 1rem;
  align-items: start;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.1rem;
  padding: 0.42rem 0.76rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: #d6e0ff;
  font-size: 0.83rem;
  background: rgba(103, 215, 255, 0.08);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.gradient-text {
  display: block;
  background: linear-gradient(100deg, #dbe5ff 4%, #9eb1ff 48%, #7be2ff 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  margin: 1rem 0 0;
  color: #d7dff2;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  max-width: 65ch;
}

.rotating-focus {
  font-weight: 700;
  color: var(--primary-strong);
}

.hero-intro {
  margin: 0.95rem 0 0;
  color: var(--muted);
  max-width: 66ch;
}

.hero-actions {
  margin-top: 1.45rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  text-decoration: none;
  padding: 0.74rem 1.1rem;
  font-weight: 650;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.26), transparent);
  transform: translateX(-140%);
  transition: transform 0.45s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:hover::after {
  transform: translateX(140%);
}

.btn-primary {
  color: #041025;
  background: linear-gradient(120deg, var(--primary), var(--primary-strong));
  box-shadow: 0 14px 30px rgba(103, 215, 255, 0.2);
}

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

.quick-tags {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.quick-tags span {
  font-size: 0.82rem;
  color: #d9e2fb;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.35rem 0.58rem;
  border-radius: 999px;
}

.surface {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.surface::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(145deg, rgba(166, 189, 255, 0.5), rgba(90, 211, 255, 0.16), transparent);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.tilt-card {
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.18s ease, border-color 0.2s ease;
}

.tilt-card::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(153, 220, 255, 0.16),
    transparent 42%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

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

.hero-panel {
  padding: 1rem 1rem 1.05rem;
  background: linear-gradient(160deg, rgba(32, 49, 90, 0.82), rgba(12, 23, 46, 0.72));
}

.hero-panel h2 {
  margin: 0;
  font-size: 1.08rem;
}

.metric-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.68rem;
}

.metric-list li {
  display: grid;
  gap: 0.1rem;
  border: 1px solid rgba(162, 189, 255, 0.18);
  border-radius: 12px;
  padding: 0.74rem;
  background: rgba(255, 255, 255, 0.025);
}

.metric-list strong {
  font-size: 1.35rem;
  line-height: 1;
}

.metric-list span {
  color: var(--muted);
  font-size: 0.9rem;
}

.ai-focus {
  padding-top: 30px;
}

.ai-focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.ai-focus-card {
  padding: 1rem;
}

.ai-focus-card p {
  margin: 0;
  color: var(--muted);
}

.impact-kicker {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #88dcff;
}

.ai-focus-card h3 {
  margin-bottom: 0.5rem;
}

.ai-focus-card ul {
  margin-top: 0.7rem;
}

.section {
  padding: 42px 0;
}

.section-heading {
  margin-bottom: 1rem;
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--primary-strong);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  font-weight: 650;
}

.section h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2.8vw, 2rem);
  line-height: 1.2;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.two-col .surface {
  padding: 1rem;
}

.surface h3 {
  margin: 0 0 0.65rem;
  font-size: 1.08rem;
}

.surface ul {
  margin: 0;
  padding-left: 1.15rem;
}

.surface li {
  color: #cfd9f1;
  margin-bottom: 0.45rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 0.86rem;
  margin-left: 0.55rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: -0.54rem;
  top: 0.3rem;
  bottom: 0.3rem;
  width: 2px;
  background: linear-gradient(180deg, var(--primary-strong), rgba(133, 153, 255, 0.18));
}

.timeline-card {
  padding: 1rem;
  position: relative;
}

.timeline-card::before {
  content: "";
  position: absolute;
  left: -1.06rem;
  top: 1.4rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-strong);
  box-shadow: 0 0 0 5px rgba(103, 215, 255, 0.2);
}

.timeline-head {
  margin-bottom: 0.62rem;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-start;
}

.timeline-head h3 {
  margin: 0;
  font-size: 1.08rem;
}

.timeline-head p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline-head p a {
  color: #d4e3ff;
  text-decoration: none;
  border-bottom: 1px dashed rgba(157, 214, 255, 0.5);
}

.timeline-head p a:hover {
  color: #8de0ff;
}

.timeline-head span {
  color: #d8e4ff;
  background: rgba(132, 150, 255, 0.14);
  border: 1px solid rgba(139, 170, 255, 0.25);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  white-space: nowrap;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.project-card {
  padding: 1rem;
}

.project-kicker {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #87d7ff;
}

.project-card h3 {
  margin: 0.44rem 0 0.5rem;
  font-size: 1.08rem;
}

.project-card p {
  margin: 0;
  color: var(--muted);
}

.project-metric {
  margin-top: 0.65rem !important;
  font-size: 0.86rem;
  color: #cfe8ff !important;
}

.chip-row {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip-row span {
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  color: #dce6ff;
  border: 1px solid rgba(168, 188, 255, 0.3);
  background: rgba(157, 173, 255, 0.11);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.skills-grid .surface {
  padding: 1rem;
}

.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.plain-list li {
  margin: 0;
  padding: 0.74rem;
  border: 1px solid rgba(166, 189, 255, 0.18);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
}

.plain-list strong,
.plain-list span,
.plain-list em {
  display: block;
}

.plain-list span {
  color: var(--muted);
  margin-top: 0.15rem;
}

.plain-list em {
  color: #dce6ff;
  font-style: normal;
  margin-top: 0.28rem;
  font-size: 0.86rem;
}

.awards-list li {
  padding: 0.66rem;
}

.awards-list span {
  line-height: 1.45;
}

.contact-card {
  padding: 1.1rem;
  display: grid;
  grid-template-columns: 1.3fr 0.95fr;
  gap: 1rem;
  align-items: center;
  background: linear-gradient(145deg, rgba(19, 31, 58, 0.9), rgba(8, 16, 33, 0.8));
}

.contact-card p {
  margin: 0.56rem 0 0;
  color: var(--muted);
}

.contact-actions {
  display: grid;
  gap: 0.55rem;
}

.contact-actions p {
  margin-top: 0.3rem;
}

.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.32);
}

.footer-shell {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
}

.footer-shell p {
  margin: 0;
}

.footer-shell a {
  color: var(--muted);
  text-decoration: none;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes drift-1 {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(80px, 60px) scale(1.08);
  }
}

@keyframes drift-2 {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(-80px, 30px) scale(1.09);
  }
}

@keyframes drift-3 {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(40px, -35px) scale(1.07);
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  nav {
    position: absolute;
    top: 76px;
    right: 4vw;
    width: min(250px, 88vw);
    display: grid;
    gap: 0;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(10, 17, 34, 0.95);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
  }

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

  nav a {
    padding: 0.82rem 0.94rem;
    border-bottom: 1px solid var(--line);
  }

  nav a:last-child {
    border-bottom: 0;
  }

  nav a::after {
    display: none;
  }

  .hero {
    padding-top: 74px;
  }

  .two-col,
  .skills-grid,
  .ai-focus-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    margin-left: 0.32rem;
  }

  .timeline-card::before {
    left: -0.82rem;
  }

  .timeline::before {
    left: -0.32rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}