/* Global */
:root {
  --bg: #0b0c10;
  --panel: #11131a;
  --text: #e8eaf0;
  --muted: #a7adbd;
  --border: rgba(255, 255, 255, 0.10);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);

  --accent: #6ea8fe;
  --accent-2: #7ee7c6;

  --radius: 16px;
  --radius-sm: 12px;

  --container: 1100px;
  --gap: 20px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 15% -10%, rgba(110, 168, 254, 0.20), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(126, 231, 198, 0.16), transparent 50%),
    var(--bg);
  line-height: 1.5;
}

img {
  max-width: 100%;
  display: block;
}

/* A11y */
.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  transform: translateY(-200%);
  transition: transform 120ms ease;
  z-index: 1000;
}
.skip-link:focus {
  transform: translateY(0);
}

/* Layout */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 18px;
}

.section {
  padding: 18px 0 56px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--gap);
  margin-bottom: 18px;
}
.section-footer {
  margin-top: 22px;
  display: flex;
  justify-content: center;
}
.home-projects {
  margin-top: 18px;
  padding-bottom: 28px;
}

/* optionally tighten the “Selected projects” header spacing */
.home-projects .section-head {
  margin-bottom: 12px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 12, 16, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--gap);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 650;
  letter-spacing: 0.2px;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(110, 168, 254, 0.25), rgba(126, 231, 198, 0.18));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-link {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.nav-link:hover {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}
.nav-link.is-active {
  color: var(--text);
  border-color: rgba(110, 168, 254, 0.35);
  background: rgba(110, 168, 254, 0.08);
}

/* Hero */
.hero {
  padding: 32px 0 12px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 28px;
  align-items: start;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(2.0rem, 3.2vw, 3.0rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.meta {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.meta-item dt {
  font-size: 0.84rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.meta-item dd {
  margin: 0;
  font-size: 0.95rem;
}
.meta a {
  color: var(--text);
}
.meta a:hover {
  color: var(--accent);
}

.hero-card {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(17, 19, 26, 0.70);
  box-shadow: var(--shadow);
}

/* Cards + grid */
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(17, 19, 26, 0.66);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.card-body {
  padding: 16px;
}

.card-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.card-text {
  margin: 0 0 12px;
  color: var(--muted);
}

.card-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 550;
}
.card-links a {
  color: var(--text);
  text-decoration: none;
}
.card-links a:hover {
  color: var(--accent);
}
.dot {
  color: rgba(255, 255, 255, 0.35);
}

.tags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  font-size: 0.82rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.03);
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(110, 168, 254, 0.45);
  background: rgba(110, 168, 254, 0.12);
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}
.button:hover {
  border-color: rgba(110, 168, 254, 0.7);
  background: rgba(110, 168, 254, 0.18);
}
.button-ghost {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}
.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

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

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  background: rgba(17, 19, 26, 0.35);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  flex-wrap: wrap;
}
.footer-links {
  display: flex;
  gap: 14px;
}
.footer-links a {
  color: var(--muted);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--text);
}

/* Responsive */
@media (max-width: 920px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .meta {
    grid-template-columns: 1fr;
  }
  .grid {
    grid-template-columns: 1fr;
  }
}