:root {
  color-scheme: dark;
  --bg: #08111f;
  --bg-soft: #0f1b2d;
  --bg-card: rgba(15, 27, 45, 0.78);
  --text: #e5eefb;
  --muted: #9fb0c8;
  --line: rgba(148, 163, 184, 0.2);
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --green: #34d399;
  --shadow: 0 24px 80px rgba(2, 8, 23, 0.4);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(14, 165, 233, 0.24), transparent 36rem),
    radial-gradient(circle at 90% 12%, rgba(52, 211, 153, 0.16), transparent 30rem),
    var(--bg);
}

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

p {
  color: var(--muted);
  line-height: 1.7;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0;
  backdrop-filter: blur(14px);
}

.brand,
.nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  color: #04111f;
  background: linear-gradient(135deg, var(--accent), var(--green));
  box-shadow: 0 12px 36px rgba(56, 189, 248, 0.24);
}

.nav {
  padding: 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 17, 31, 0.66);
}

.nav a {
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover,
.nav .nav-cta {
  color: var(--text);
  background: rgba(148, 163, 184, 0.12);
}

.section {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 5rem 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 5rem);
  padding-top: 3rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 13ch;
  font-size: clamp(3.25rem, 9vw, 6.8rem);
}

h2 {
  max-width: 18ch;
  font-size: clamp(2rem, 5vw, 3.7rem);
}

h3 {
  font-size: 1.3rem;
}

.hero-text {
  max-width: 44rem;
  margin: 1.5rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.9rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
}

.button-primary {
  color: #04111f;
  background: linear-gradient(135deg, var(--accent), var(--green));
  box-shadow: 0 18px 50px rgba(56, 189, 248, 0.24);
}

.button-secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(148, 163, 184, 0.08);
}

.hero-card,
.card,
.project-card,
.stack-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1.25rem;
  transform: rotate(1.5deg);
}

.terminal-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.terminal-bar span {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 999px;
  background: var(--line);
}

.terminal-bar span:nth-child(1) { background: #fb7185; }
.terminal-bar span:nth-child(2) { background: #fbbf24; }
.terminal-bar span:nth-child(3) { background: #34d399; }

.terminal-line {
  margin: 0.65rem 0;
  color: #c8d5e8;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.terminal-line span {
  color: var(--green);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.metric-grid div {
  min-height: 7rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(2, 8, 23, 0.28);
}

.metric-grid strong,
.metric-grid small {
  display: block;
}

.metric-grid small {
  margin-top: 0.55rem;
  color: var(--muted);
  line-height: 1.45;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.65fr 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

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

.card {
  padding: 1.35rem;
}

.card p,
.project-card p {
  margin-bottom: 0;
}

.section-muted {
  width: 100%;
  max-width: none;
  padding-right: max(1rem, calc((100% - 1120px) / 2));
  padding-left: max(1rem, calc((100% - 1120px) / 2));
  background: rgba(2, 8, 23, 0.24);
}

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

.project-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 1.35rem;
}

.tags,
.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tags li,
.stack-list span {
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #c8d5e8;
  background: var(--accent-soft);
  font-size: 0.86rem;
  white-space: nowrap;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 1rem;
  align-items: start;
}

.about-grid > p {
  margin-top: 0;
  font-size: 1.12rem;
}

.stack-card,
.contact-card {
  padding: 1.5rem;
}

.stack-list {
  margin-top: 1rem;
}

.contact-card {
  overflow: hidden;
  position: relative;
  padding: clamp(1.5rem, 5vw, 3rem);
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.14), rgba(52, 211, 153, 0.12)),
    var(--bg-card);
}

.contact-card::after {
  content: "";
  position: absolute;
  right: -6rem;
  bottom: -6rem;
  width: 16rem;
  height: 16rem;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.16);
}

.contact-card p {
  max-width: 42rem;
}

.footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
  }

  .hero,
  .section-heading,
  .about-grid,
  .project-card {
    grid-template-columns: 1fr;
  }

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

  .hero-card {
    transform: none;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: auto;
  }

  .card-grid.four,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .nav a {
    padding: 0.55rem 0.75rem;
  }
}