:root {
  --bg: #050b14;
  --bg-soft: rgba(11, 22, 38, 0.72);
  --panel: rgba(10, 20, 34, 0.88);
  --panel-border: rgba(122, 162, 255, 0.18);
  --text: #ebf2ff;
  --muted: #9fb3cf;
  --primary: #5dd6ff;
  --primary-strong: #63f5d2;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(76, 123, 255, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(55, 214, 255, 0.12), transparent 28%),
    linear-gradient(180deg, #07111f 0%, #040810 52%, #02050a 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 92%);
}

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

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 24px 0 40px;
  position: relative;
}

.topbar {
  position: sticky;
  top: 18px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 18px;
  margin-bottom: 34px;
  backdrop-filter: blur(16px);
  background: rgba(5, 12, 22, 0.72);
  border: 1px solid rgba(140, 173, 255, 0.15);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.brand-mark,
.eyebrow,
.project-label,
.terminal-output,
.prompt,
.brand-sub,
.nav a {
  font-family: "JetBrains Mono", monospace;
}

.brand-mark {
  font-size: 1rem;
  font-weight: 700;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.72rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(137, 174, 255, 0.15);
}

.lang-button {
  min-width: 46px;
  min-height: 36px;
  padding: 0 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.lang-button:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.lang-button.is-active {
  color: #03121e;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
}

.nav a {
  color: var(--muted);
  font-size: 0.9rem;
}

.nav a:hover,
.project-top a:hover {
  color: var(--primary);
}

.hero,
.section,
.footer {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 420px);
  gap: 28px;
  align-items: center;
  padding: 42px 0 26px;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--primary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  line-height: 0.98;
}

.hero-text {
  max-width: 62ch;
  margin-top: 18px;
  font-size: 1.04rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  color: #03121e;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  box-shadow: 0 12px 32px rgba(93, 214, 255, 0.22);
}

.button-secondary {
  color: var(--text);
  background: rgba(8, 16, 29, 0.7);
  border-color: rgba(137, 174, 255, 0.18);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 26px;
}

.hero-metrics li,
.panel,
.focus-card,
.project-card,
.terminal-card,
.contact-card,
.timeline-item {
  background: linear-gradient(180deg, rgba(15, 27, 46, 0.92), rgba(7, 13, 23, 0.94));
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
}

.hero-metrics li {
  min-width: 148px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
}

.hero-metrics strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.15rem;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 0.94rem;
}

.terminal-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.terminal-bar {
  display: flex;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(145, 181, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
}

.terminal-bar span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.24);
}

.terminal-body {
  padding: 24px 20px 22px;
}

.terminal-body p {
  margin-bottom: 12px;
  font-size: 0.96rem;
}

.terminal-body p:last-child {
  margin-bottom: 0;
}

.prompt {
  margin-right: 8px;
  color: var(--primary);
}

.terminal-output {
  color: #c6ddff;
}

.section {
  padding: 56px 0 0;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 24px;
}

.section-heading h2 {
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.08;
}

.about-grid,
.focus-grid,
.stack-layout,
.timeline,
.projects-grid {
  display: grid;
  gap: 18px;
}

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

.panel,
.focus-card,
.project-card,
.contact-card {
  border-radius: var(--radius-lg);
  padding: 24px;
}

.focus-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.focus-card h3,
.project-card h3,
.stack-panel h3,
.timeline-item h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

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

.project-card.featured {
  background:
    radial-gradient(circle at top right, rgba(93, 214, 255, 0.14), transparent 30%),
    linear-gradient(180deg, rgba(15, 27, 46, 0.96), rgba(7, 13, 23, 0.98));
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.project-label {
  color: var(--primary);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.project-top a {
  color: var(--muted);
  font-size: 0.92rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tags li,
.stack-list li {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(153, 184, 255, 0.12);
  color: #d9e8ff;
  font-size: 0.92rem;
}

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

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

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

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius-lg);
}

.timeline-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: rgba(93, 214, 255, 0.12);
  color: var(--primary);
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
}

.contact-card {
  display: grid;
  gap: 16px;
}

.footer {
  padding: 40px 0 12px;
}

.footer p {
  text-align: center;
  font-size: 0.95rem;
}

@media (max-width: 1024px) {
  .hero,
  .about-grid,
  .focus-grid,
  .projects-grid,
  .stack-layout,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 22px), var(--max-width));
    padding-top: 16px;
  }

  .topbar {
    position: static;
    padding: 16px;
    border-radius: 24px;
  }

  .nav {
    gap: 12px;
  }

  .topbar,
  .lang-switch {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 20px;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 13vw, 3.4rem);
  }

  .panel,
  .focus-card,
  .project-card,
  .contact-card,
  .timeline-item {
    padding: 20px;
  }
}