/* =====================================================
   Global design system
   Keep colors here so every page uses one visual language.
===================================================== */
:root {
  --bg-main: #0f172a;
  --bg-deep: #020617;
  --bg-section: #111827;
  --bg-card: #0b1120;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-soft: #cbd5e1;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --success: #22c55e;
  --warning: #facc15;
  --neutral: #64748b;
  --border-soft: rgba(56, 189, 248, 0.18);
  --border-medium: rgba(56, 189, 248, 0.28);
  --shadow-soft: 0 18px 45px rgba(2, 6, 23, 0.35);
  --shadow-accent: 0 0 30px rgba(56, 189, 248, 0.18);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --max-width: 1250px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
}

img { max-width: 100%; }

a { color: inherit; }

section { scroll-margin-top: 110px; }

.section-label {
  display: inline-block;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 135px;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background: rgba(56, 189, 248, 0.08);
  color: var(--text-main);
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  transition: 0.25s ease;
}

.btn:hover,
.btn:focus-visible {
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  transform: translateY(-3px);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.35);
}

.primary-btn {
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border: none;
}

.card-surface {
  background: linear-gradient(145deg, var(--bg-deep), var(--bg-card));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.project-meta,
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-meta span,
.hero-badges span {
  color: var(--text-soft);
  border: 1px solid var(--border-medium);
  background-color: rgba(56, 189, 248, 0.08);
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 14px;
}

.project-status {
  display: inline-block;
  color: var(--bg-deep);
  background: var(--success);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
}

.project-status.completed { background: var(--success); }
.project-status.progress { background: var(--warning); }
.project-status.future { background: var(--neutral); color: var(--text-main); }
.project-status.active { background: var(--accent); }