:root {
  --bg: #f3f7ff;
  --surface: rgba(255, 255, 255, 0.68);
  --surface-solid: #ffffff;
  --text: #101a36;
  --muted: #536180;
  --primary: #0069ff;
  --secondary: #00b894;
  --border: rgba(72, 101, 163, 0.22);
  --shadow: 0 20px 50px rgba(12, 26, 67, 0.14);
  --ring: rgba(0, 105, 255, 0.3);
}

body[data-theme="dark"] {
  --bg: #0a0f1f;
  --surface: rgba(17, 27, 52, 0.64);
  --surface-solid: #111a33;
  --text: #e7efff;
  --muted: #a4b4d8;
  --primary: #5ea0ff;
  --secondary: #37d4b2;
  --border: rgba(142, 168, 232, 0.28);
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
  --ring: rgba(94, 160, 255, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background: radial-gradient(1200px 600px at 90% -10%, rgba(0, 105, 255, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(0, 184, 148, 0.18), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
  margin: 0 0 0.7rem;
  line-height: 1.15;
}

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

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

.bg-orb {
  position: fixed;
  width: 340px;
  height: 340px;
  filter: blur(40px);
  border-radius: 50%;
  z-index: -2;
  opacity: 0.5;
}

.orb-1 {
  top: -120px;
  left: -100px;
  background: #0ec5a8;
}

.orb-2 {
  right: -120px;
  top: 30%;
  background: #3f8cff;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image: linear-gradient(to right, rgba(127, 147, 199, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(127, 147, 199, 0.09) 1px, transparent 1px);
  background-size: 34px 34px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}

.navbar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1rem;
}

.brand-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links a,
.theme-toggle,
.menu-btn {
  font-size: 0.92rem;
  color: var(--muted);
  transition: 0.25s ease;
}

.nav-links a:hover,
.theme-toggle:hover,
.menu-btn:hover {
  color: var(--text);
}

.active-link {
  color: var(--text) !important;
  font-weight: 700;
}

.menu-btn {
  display: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: transparent;
  padding: 0.45rem 0.7rem;
}

.theme-toggle {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

.hero {
  padding: 7rem 0 4rem;
}

.page-hero {
  padding: 6.2rem 0 2.2rem;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  max-width: 14ch;
}

.page-intro {
  max-width: 68ch;
  color: var(--muted);
}

.kicker {
  width: fit-content;
  margin: 0;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 4.4rem);
  max-width: 11.5ch;
  margin-top: 1rem;
}

.hero-copy {
  max-width: 64ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.6rem 0 2.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 0.72rem 1.1rem;
  font-weight: 700;
  transition: 0.25s ease;
}

.btn:focus-visible,
.nav-links a:focus-visible,
.theme-toggle:focus-visible,
.menu-btn:focus-visible,
.project-links a:focus-visible,
.contact-links a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--ring);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--primary), color-mix(in srgb, var(--primary) 70%, #101a36));
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--primary) 36%, transparent);
}

.btn-secondary {
  color: var(--text);
  border-color: var(--border);
  background: var(--surface);
}

.btn-secondary:hover {
  transform: translateY(-2px);
}

.glass-card {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  border-radius: 20px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.2rem;
}

.hero-highlights h3 {
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

.hero-highlights p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.section {
  padding: 4.3rem 0;
}

.section h2 {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
}

.section p {
  color: var(--muted);
}

.skills-grid,
.project-grid,
.service-grid {
  margin-top: 1.4rem;
  display: grid;
  gap: 1rem;
}

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

.skill-card {
  padding: 1.1rem;
}

.skill-card p {
  margin: 0;
}

.project-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.project-card {
  padding: 0.95rem;
  transition: transform 0.28s ease;
}

.project-card:hover {
  transform: translateY(-6px);
}

.project-image {
  height: 130px;
  border-radius: 14px;
  margin-bottom: 0.95rem;
}

.project-thumb {
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 0.95rem;
  border: 1px solid var(--border);
  background: var(--surface-solid);
}

.image-a {
  background: linear-gradient(125deg, #0069ff, #4ab6ff);
}

.image-b {
  background: linear-gradient(125deg, #00b894, #008a75);
}

.image-c {
  background: linear-gradient(125deg, #0d2b6e, #2f77ff);
}

.image-d {
  background: linear-gradient(125deg, #0b1d4d, #007ad9);
}

.stack {
  font-size: 0.85rem;
  margin: 0.7rem 0;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-links a {
  font-weight: 700;
  color: var(--primary);
}

.timeline {
  margin-top: 1.4rem;
  display: grid;
  gap: 1rem;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(var(--primary), transparent);
}

.timeline-item {
  margin-left: 1.4rem;
  padding: 1rem;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.95rem;
  top: 1.2rem;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--primary) 24%, transparent);
}

.section-intro {
  max-width: 62ch;
}

.service-grid {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  margin-bottom: 1.3rem;
}

.service-card {
  min-height: 110px;
  display: grid;
  place-items: center;
  padding: 0.8rem;
}

.service-card h3 {
  font-size: 1rem;
  text-align: center;
  margin: 0;
}

.github-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
  margin-top: 1.2rem;
}

.github-stats {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface-solid);
}

.repo-panel {
  padding: 1rem;
}

.repo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.repo-list a {
  color: var(--primary);
  font-weight: 700;
}

.contact-links {
  margin-top: 1rem;
  padding: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.contact-links a {
  font-weight: 700;
  color: var(--primary);
}

/* Social icon links */
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.social-link:hover {
  opacity: 0.72;
}

.social-link svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Footer social icons row */
.footer-social {
  display: flex;
  gap: 1.1rem;
  align-items: center;
  flex-wrap: wrap;
}

.footer-social a {
  color: var(--muted);
  display: flex;
  align-items: center;
  transition: color 0.2s ease;
}

.footer-social a:hover {
  color: var(--primary);
}

.footer-social svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  display: block;
}

/* Resume contact list links */
.list-clean a {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.list-clean a svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  flex-shrink: 0;
}

.split-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
}

.list-clean {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.list-clean li {
  color: var(--muted);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.metric-card {
  padding: 1rem;
}

.metric-card h3 {
  margin: 0;
  font-size: 1.8rem;
}

.metric-card p {
  margin: 0.3rem 0 0;
}

.cta-banner {
  padding: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 2.5rem;
}

.footer-wrap {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.66s ease, transform 0.66s ease;
}

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

@media (max-width: 960px) {
  .github-wrap,
  .hero-highlights,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 6.2rem;
  }
}

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

  .nav-links {
    position: absolute;
    right: 4vw;
    top: 76px;
    width: min(300px, 88vw);
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 0.9rem;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: var(--shadow);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .hero h1 {
    max-width: 13ch;
  }
}

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

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