/* ============================================================
   BCH Systems Portal — styles.css
   ============================================================ */

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

:root {
  --bg:        #0a0b0f;
  --surface:   #111318;
  --surface2:  #181b22;
  --border:    rgba(255,255,255,0.07);
  --accent:    #4f8ef7;
  --accent2:   #7c5cfc;
  --text:      #e8eaf0;
  --muted:     #8b90a0;
  --radius:    16px;
  --font:      'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ─────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 11, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo__mark {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}

.logo__sep {
  width: 1px;
  height: 16px;
  background: var(--border);
}

.logo__text {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.02em;
}

.header__org {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  top: -180px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(79,142,247,0.12) 0%, rgba(124,92,252,0.06) 45%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border: 1px solid rgba(79,142,247,0.3);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 28px;
  background: rgba(79,142,247,0.06);
}

.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 18px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.7;
  max-width: 540px;
}

/* ── Section title ──────────────────────────────────────── */
.section-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 32px;
}

/* ── Systems ────────────────────────────────────────────── */
.systems {
  padding: 0 0 100px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* ── Card ───────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
  cursor: default;
}

.card:hover {
  border-color: rgba(79,142,247,0.35);
  background: var(--surface2);
  transform: translateY(-3px);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(79,142,247,0.08);
  border: 1px solid rgba(79,142,247,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 4px;
  flex-shrink: 0;
}

.card__tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.card__title {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

.card__btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  align-self: flex-start;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  background: rgba(79,142,247,0.12);
  color: var(--accent);
  border: 1px solid rgba(79,142,247,0.25);
}

.card__btn:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(79,142,247,0.3);
  border-color: transparent;
}

.card__btn--soon {
  cursor: default;
  background: rgba(139,144,160,0.08);
  color: var(--muted);
  border-color: var(--border);
  pointer-events: none;
  font-size: 13px;
  padding: 8px 16px;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

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

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__copy {
  font-size: 13px;
  color: var(--muted);
}

/* ── Animations ─────────────────────────────────────────── */
.animate-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1) var(--delay, 0ms),
              transform 0.55s cubic-bezier(0.22, 1, 0.36, 1) var(--delay, 0ms);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero { padding: 72px 0 56px; }
  .hero__sub { font-size: 16px; }
  .grid { grid-template-columns: 1fr; }
  .header__org { display: none; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}