/* DigitLab AI with background hero graphic */

:root {
  --bg: #07111f;
  --surface: #0d1b2d;
  --text: #edf4ff;
  --muted: #aebcd3;
  --line: rgba(255,255,255,0.08);
  --accent: #4ea1ff;
  --accent-2: #77e0ff;
  --success: #26c281;
  --shadow: 0 20px 60px rgba(0,0,0,0.28);
  --radius: 22px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(78,161,255,0.18), transparent 30%),
    linear-gradient(180deg, #06101c 0%, #081320 100%);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(6, 16, 28, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.text-link:hover,
.contact-list a:hover,
.site-footer a:hover {
  color: var(--accent-2);
}

.hero {
  padding: 16px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.hero-card,
.focus-card,
.project-card,
.note-card,
.contact-box {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy { padding: 28px; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1, h2, h3 {
  margin-top: 0;
  line-height: 1.12;
}

h1 {
  font-size: clamp(1.7rem, 2.8vw, 3rem);
  max-width: 14ch;
  margin-bottom: 16px;
  line-height: 1.05;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  margin-bottom: 14px;
}

h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
}

.hero-text,
.hero-subtext,
.section-heading p,
.project-card p,
.focus-card p,
.note-card p,
.contact-box p,
.site-footer p,
.meta {
  color: var(--muted);
}

.hero-text {
  font-size: 1rem;
  max-width: 54ch;
}

.hero-subtext {
  margin-top: 10px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), #62b8ff);
  color: #04111f;
}

.button-secondary {
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text);
}

.hero-card {
  padding: 0;
  overflow: hidden;
  align-self: stretch;
}

.hero-visual-card {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 100%;
  background:
    linear-gradient(180deg, rgba(6, 16, 28, 0.12) 0%, rgba(6, 16, 28, 0.4) 45%, rgba(6, 16, 28, 0.88) 100%),
    url('hero_graphic.png') center/cover no-repeat;
}

.hero-card-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 28px;
  background: linear-gradient(180deg, rgba(6,16,28,0.05) 0%, rgba(6,16,28,0.65) 40%, rgba(6,16,28,0.92) 100%);
}

.card-badge,
.status {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--accent-2);
  background: rgba(255,255,255,0.03);
  font-size: 0.83rem;
  font-weight: 700;
}

.status-live { color: #9ef5ce; }

.section { padding: 34px 0 40px; }

.section-alt {
  background: rgba(255,255,255,0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 22px;
  max-width: 760px;
}

.focus-grid,
.projects-grid,
.about-grid {
  display: grid;
  gap: 22px;
}

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

.focus-card,
.project-card,
.note-card,
.contact-box {
  padding: 24px;
}

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

.project-card .meta {
  font-size: 0.95rem;
  margin-top: 10px;
}

.about-grid {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
}

.contact-box { text-align: center; }

.contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 18px;
}

.contact-list a {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
}

.site-footer { padding: 22px 0 36px; }

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

@media (max-width: 980px) {
  .hero-grid,
  .focus-grid,
  .projects-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: clamp(1.75rem, 6vw, 2.6rem);
    max-width: 12ch;
  }

  .hero-visual-card {
    min-height: 340px;
  }
}

@media (max-width: 640px) {
  .hero-copy,
  .focus-card,
  .project-card,
  .note-card,
  .contact-box,
  .hero-card-content {
    padding: 20px;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-list {
    flex-direction: column;
  }

  h1 {
    font-size: clamp(1.65rem, 8vw, 2.2rem);
    max-width: 12ch;
  }

  .hero-visual-card {
    min-height: 280px;
  }
}