/* ============================================================
   sramp.com — shared design system
   Mirrors the visual language of swlstation / swlist / swltools
   ============================================================ */

:root {
  --bg:      #0d0d0f;
  --bg2:     #13131a;
  --bg3:     #1a1a24;
  --border:  #2a2a3a;
  --accent:  #4f8ef7;
  --accent2: #7b5ea7;
  --green:   #34d399;
  --text:    #e8e8f0;
  --text2:   #9090a8;
  --text3:   #5a5a72;
  --radius:  12px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── NAV ─────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-brand {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.03em;
}
.nav-brand span { color: var(--accent); }

.nav-links { display: flex; gap: 1.75rem; align-items: center; }
.nav-links a { color: var(--text2); font-size: 0.9rem; font-weight: 500; transition: color 0.15s; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
  border: none;
  font-family: var(--font);
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); text-decoration: none; }

.btn-primary  { background: var(--accent); color: #fff; }
.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
}

/* ── BADGE / PILL ────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(79, 142, 247, 0.12);
  border: 1px solid rgba(79, 142, 247, 0.25);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  font-weight: 600;
  text-transform: uppercase;
}

/* ── SECTION LABELS ──────────────────────────────────────── */
.section-label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-intro {
  color: var(--text2);
  max-width: 620px;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── CARDS ───────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  transition: border-color 0.2s;
}
.card:hover { border-color: rgba(79, 142, 247, 0.35); }

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  display: block;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.card p {
  color: var(--text2);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ── GRID LAYOUTS ────────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

/* ── DIVIDER ─────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
}

/* ── ALT SECTION (dark band) ─────────────────────────────── */
.section-alt {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ── FOOTER ──────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
  color: var(--text3);
  font-size: 0.85rem;
}
footer a { color: var(--text2); }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 640px) {
  nav { padding: 0 1rem; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.82rem; }
}