:root {
  --bg: #0f1115;
  --surface: #181b23;
  --surface-strong: #212735;
  --text: #f3f4f7;
  --muted: #b4bccd;
  --accent: #ff7a18;
  --accent-2: #00c2ff;
  --stroke: #2e364a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Archivo", "Segoe UI", sans-serif;
  color: var(--text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(50rem 30rem at 90% -10%, rgba(0, 194, 255, 0.15), transparent 60%),
    radial-gradient(45rem 35rem at -10% 10%, rgba(255, 122, 24, 0.2), transparent 60%),
    var(--bg);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: -20%;
  background: radial-gradient(circle at 30% 20%, rgba(255, 122, 24, 0.12), transparent 45%),
    radial-gradient(circle at 70% 80%, rgba(0, 194, 255, 0.1), transparent 50%);
  animation: ambientGlow 18s ease-in-out infinite;
  z-index: -2;
  pointer-events: none;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: #ffffff;
  color: #0f1115;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 200ms ease;
  z-index: 20;
}

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

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background-image: radial-gradient(circle at 2px 2px, #fff 1px, transparent 0);
  background-size: 28px 28px;
  z-index: -1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(10px);
  background: rgba(15, 17, 21, 0.75);
  border-bottom: 1px solid rgba(0, 194, 255, 0.2);
}

.brand {
  font-family: "Space Mono", monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

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

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.brand:focus-visible,
nav a:focus-visible {
  outline: 3px solid rgba(0, 194, 255, 0.7);
  outline-offset: 3px;
  border-radius: 8px;
}

main {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 2.2rem 0 4rem;
}

.hero {
  padding: 4rem 1rem 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: center;
}

.kicker {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  margin: 0;
}

h1 {
  margin: 0.5rem 0 1rem;
  max-width: 18ch;
  font-size: clamp(2rem, 6vw, 4.1rem);
  line-height: 1.05;
}

h2 {
  margin-top: 0;
  font-size: 1.4rem;
}

h3 {
  margin-top: 0;
}

.intro {
  max-width: 70ch;
  color: var(--muted);
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  animation: fadeUp 700ms ease forwards;
}

.hero-photo {
  display: flex;
  justify-content: center;
  animation: fadeUp 700ms ease forwards;
  animation-delay: 120ms;
  opacity: 0;
}

.hero-photo img {
  width: min(320px, 80vw);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid rgba(0, 194, 255, 0.35);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
  background: rgba(15, 17, 21, 0.6);
  transition: transform 300ms ease, box-shadow 300ms ease;
}

.hero-actions {
  margin-top: 1.4rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.68rem 1.15rem;
  font-weight: 700;
  border: 1px solid var(--stroke);
}

.btn.primary {
  color: #0f1115;
  border-color: transparent;
  background: linear-gradient(90deg, var(--accent), #ffb347);
}

.btn.ghost {
  color: var(--text);
}

.btn.ghost:hover {
  border-color: var(--accent-2);
}

.panel {
  margin-top: 1.2rem;
  border: 1px solid var(--stroke);
  border-radius: 16px;
  background: linear-gradient(140deg, rgba(33, 39, 53, 0.65), rgba(24, 27, 35, 0.8));
  padding: 1.25rem;
  transition: transform 250ms ease, border-color 250ms ease;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
}

.skill-card {
  border: 1px solid rgba(255, 122, 24, 0.25);
  border-radius: 12px;
  background: rgba(15, 17, 21, 0.5);
  padding: 0.9rem;
  transition: transform 250ms ease, border-color 250ms ease;
}

.skill-card p {
  margin-bottom: 0;
}

.experience-item {
  border: 1px solid rgba(0, 194, 255, 0.2);
  border-radius: 12px;
  background: rgba(15, 17, 21, 0.45);
  padding: 1rem;
  transition: transform 250ms ease, border-color 250ms ease;
}

.experience-item + .experience-item {
  margin-top: 1rem;
}

.experience-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.experience-head p {
  color: var(--muted);
  font-family: "Space Mono", monospace;
  font-size: 0.82rem;
  margin: 0;
}

.project-card {
  border: 1px solid rgba(255, 122, 24, 0.25);
  border-radius: 12px;
  background: rgba(15, 17, 21, 0.6);
  padding: 1rem;
  transition: transform 250ms ease, border-color 250ms ease;
}

ul {
  padding-left: 1.1rem;
}

a {
  color: var(--accent-2);
}

.contact-links {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  justify-content: center;
  margin-top: 0.75rem;
}

#contact {
  text-align: center;
}

.icon-link {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(0, 194, 255, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  background: rgba(15, 17, 21, 0.5);
  transition: transform 200ms ease, border-color 200ms ease;
}

.icon-link svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.icon-link:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 122, 24, 0.6);
}

.panel:hover,
.skill-card:hover,
.project-card:hover,
.experience-item:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 194, 255, 0.45);
}

.hero-photo img:hover {
  transform: scale(1.02);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.45);
}

.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;
}

footer {
  text-align: center;
  padding: 2rem 1rem 2.5rem;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ambientGlow {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(4%, -3%, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

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

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

  body::before,
  .hero-content,
  .hero-photo {
    animation: none;
  }

  .panel,
  .skill-card,
  .project-card,
  .experience-item,
  .hero-photo img,
  .icon-link {
    transition: none;
  }
}

@media (max-width: 860px) {
  .site-header {
    flex-direction: column;
    gap: 0.65rem;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding-top: 2.8rem;
  }

  .hero-photo img {
    width: min(260px, 70vw);
  }

  .experience-head {
    flex-direction: column;
    align-items: flex-start;
  }
}