:root {
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --bg: #08111f;
  --bg-elevated: rgba(15, 24, 42, 0.72);
  --bg-soft: rgba(255, 255, 255, 0.05);
  --surface: rgba(11, 18, 33, 0.72);
  --surface-strong: rgba(11, 18, 33, 0.9);
  --text: #eff4ff;
  --muted: #9aa8c0;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --accent: #7c9cff;
  --accent-strong: #9d7bff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --page-gradient: radial-gradient(circle at top left, rgba(124, 156, 255, 0.16), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(157, 123, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #08111f 0%, #0b1324 100%);
}

:root[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-elevated: rgba(255, 255, 255, 0.74);
  --bg-soft: rgba(11, 18, 33, 0.04);
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --text: #101828;
  --muted: #536076;
  --line: rgba(16, 24, 40, 0.08);
  --line-strong: rgba(16, 24, 40, 0.14);
  --accent: #4353ff;
  --accent-strong: #7a4dff;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.1);
  --page-gradient: radial-gradient(circle at top left, rgba(67, 83, 255, 0.08), transparent 26%),
    radial-gradient(circle at 88% 14%, rgba(122, 77, 255, 0.08), transparent 20%),
    linear-gradient(180deg, #f8faff 0%, #eef2f8 100%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--page-gradient);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  transition: background 180ms ease, color 180ms ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 92%);
  opacity: 0.35;
}

.page-shell {
  position: relative;
  min-height: 100vh;
}

.page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: radial-gradient(circle at 20% 20%, currentColor 0.7px, transparent 0.8px);
  background-size: 18px 18px;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}

.site-header-inner,
.header-actions,
.site-nav,
.hero-actions,
.cert-pill-row,
.site-footer-inner {
  display: flex;
  align-items: center;
}

.site-header-inner {
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand-mark,
.site-nav a,
.contact-list a,
.button {
  text-decoration: none;
}

.brand-mark {
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.header-actions {
  gap: 1rem;
}

.site-nav {
  gap: 1rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.contact-list a:hover {
  color: var(--text);
}

.theme-toggle {
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.theme-toggle-track {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.35rem 0.45rem;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line-strong);
  color: var(--muted);
  min-width: 118px;
}

.theme-toggle-thumb {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: var(--shadow);
}

:root[data-theme="light"] .theme-toggle-track {
  flex-direction: row-reverse;
}

.theme-toggle-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section {
  padding: 4.5rem 0;
}

.hero {
  padding-top: 4rem;
}

.hero-grid,
.split-intro,
.project-layout,
.contact-layout {
  display: grid;
  gap: 1.25rem;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.9fr);
  align-items: start;
}

.stack-layout {
  display: grid;
  gap: 1.5rem;
}

.editorial-panel,
.surface-panel {
  position: relative;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: var(--shadow);
}

.editorial-panel {
  padding: clamp(2rem, 4vw, 4rem);
}

.surface-panel {
  padding: 1.5rem;
}

.eyebrow,
.section-kicker,
.feature-tag,
.project-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 0 0 1rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

h1,
h2,
h3,
.brand-mark,
.footer-name {
  font-family: var(--font-display);
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.6rem, 5.4vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  max-width: 11ch;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 16ch;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.3rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.tagline {
  max-width: 44rem;
  font-size: 1.28rem;
  color: var(--text);
}

.summary,
.intro-card p,
.feature-card p,
.project-feature p,
.project-mini p,
.contact-copy,
.experience-bullets,
.visitor-count,
.footer-note,
.stat-label,
.experience-date,
.experience-company,
.site-nav a,
.contact-list span,
.contact-list a {
  color: var(--muted);
}

.hero-actions,
.cert-pill-row {
  gap: 0.9rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

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

.button.primary {
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.button.secondary {
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: var(--bg-soft);
}

.hero-aside {
  display: grid;
  gap: 1rem;
}

.hero-stat-block {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.stat-label,
.stat-card-label,
.experience-date,
.contact-list span {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.stat-value {
  margin: 0.45rem 0 0;
  font-size: 1.08rem;
  font-weight: 600;
}

.hero-stat-grid,
.feature-grid {
  display: grid;
  gap: 1rem;
}

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

.stat-card,
.feature-card,
.project-mini,
.intro-card {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 24px;
}

.stat-card {
  padding: 1rem;
}

.stat-card strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 1rem;
}

.span-two {
  grid-column: 1 / -1;
}

.narrow {
  max-width: 44rem;
}

.split-intro,
.contact-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.intro-card,
.project-mini {
  padding: 1.5rem;
}

.experience-rail {
  display: grid;
  gap: 1rem;
}

.experience-entry {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.experience-meta {
  padding-top: 0.25rem;
}

.experience-company {
  margin-bottom: 0;
  color: var(--text);
  font-weight: 600;
}

.experience-bullets {
  margin: 0;
  padding-left: 1.15rem;
}

.experience-bullets li + li {
  margin-top: 0.85rem;
}

.project-layout {
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
}

.project-feature {
  padding: 2rem;
}

.project-stack {
  display: grid;
  gap: 1rem;
}

.cert-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--bg-soft);
  font-weight: 600;
}

.contact-layout {
  align-items: start;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.contact-list li {
  display: grid;
  gap: 0.3rem;
  padding: 1rem;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

.site-footer {
  padding: 0 0 3rem;
}

.site-footer-inner {
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.footer-name,
.footer-note,
.visitor-count {
  margin-bottom: 0;
}

.footer-name {
  font-weight: 700;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  background: color-mix(in srgb, var(--accent) 26%, transparent);
}

@media (max-width: 980px) {
  .hero-grid,
  .split-intro,
  .feature-grid,
  .project-layout,
  .contact-layout,
  .experience-entry {
    grid-template-columns: 1fr;
  }

  .experience-entry {
    gap: 1rem;
  }
}

@media (max-width: 760px) {
  .site-header-inner,
  .header-actions,
  .site-nav,
  .site-footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-stat-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero {
    padding-top: 2.5rem;
  }

  h1 {
    font-size: 2.7rem;
  }

  .button {
    width: 100%;
  }

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