/* ============================================================
   PortalEng — Design System & Shared Components
   style.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* ── CSS Variables ── */
:root {
  /* Backgrounds */
  --bg-base:      #050D1A;
  --bg-secondary: #091526;
  --bg-card:      #0E1E33;
  --bg-elevated:  #132540;
  --bg-surface:   #182D4B;

  /* Accent Colors */
  --accent:       #2B7FFF;
  --accent-hover: #1A6AE8;
  --accent-dim:   #1A3D6B;
  --accent-teal:  #0E8FAB;
  --accent-glow:  rgba(43,127,255,0.15);

  /* Text */
  --text-primary:   #EEF4FF;
  --text-secondary: #8BAABF;
  --text-muted:     #4D6A87;
  --text-on-accent: #FFFFFF;

  /* Borders */
  --border:       #1C3554;
  --border-bright:#2B4F7A;
  --border-card:  rgba(43,127,255,0.12);

  /* Status */
  --success:  #16C784;
  --warning:  #F59E0B;
  --danger:   #EF4444;
  --soon:     #6B7280;

  /* Typography */
  --font-heading: 'Syne', sans-serif;
  --font-body:    'Plus Jakarta Sans', sans-serif;

  /* Spacing */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;

  /* Shadows */
  --shadow-card:  0 2px 24px rgba(0,0,0,0.4);
  --shadow-glow:  0 0 32px rgba(43,127,255,0.12);
  --shadow-deep:  0 8px 48px rgba(0,0,0,0.6);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--text-secondary); line-height: 1.75; }

/* ── Container ── */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.22s ease;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(43,127,255,0.30);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 28px rgba(43,127,255,0.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-bright);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 18px;
}
.btn-ghost:hover { color: var(--text-primary); }

.btn-lg {
  padding: 15px 34px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

/* ── Navigation Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  background: rgba(5,13,26,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-primary);
  flex-shrink: 0;
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
}

.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.18s;
}
.nav-links a:hover { color: var(--text-primary); background: var(--bg-elevated); }
.nav-links a.active { color: var(--accent); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: 0.3s;
}

/* ── Section Layout ── */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-header { margin-bottom: 56px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-label { justify-content: center; }

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin-top: 12px;
}
.section-header.centered .section-subtitle { margin: 12px auto 0; }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.22s, box-shadow 0.22s, transform 0.22s;
}

.card:hover {
  border-color: var(--border-card);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 1.3rem;
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge-active  { background: rgba(22,199,132,0.12); color: var(--success); border: 1px solid rgba(22,199,132,0.2); }
.badge-soon    { background: rgba(107,114,128,0.15); color: var(--text-muted); border: 1px solid rgba(107,114,128,0.2); }
.badge-new     { background: rgba(43,127,255,0.12); color: var(--accent); border: 1px solid rgba(43,127,255,0.2); }
.badge-annual  { background: rgba(245,158,11,0.12); color: var(--warning); border: 1px solid rgba(245,158,11,0.25); }

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0 auto;
}

/* ── Footer ── */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 14px;
  max-width: 280px;
  line-height: 1.7;
}

.footer-col h5 {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color 0.18s;
}
.footer-col ul a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── Utilities ── */
.text-accent   { color: var(--accent); }
.text-muted    { color: var(--text-muted); }
.text-secondary{ color: var(--text-secondary); }
.text-center   { text-align: center; }
.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

/* ── Dot Separator ── */
.dot-sep { color: var(--text-muted); margin: 0 4px; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .nav-links, .header-actions .btn:not(.btn-primary) { display: none; }
  .mobile-toggle { display: flex; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  .mobile-nav {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    display: none;
    flex-direction: column;
    gap: 4px;
    z-index: 800;
  }
  .mobile-nav.open { display: flex; }
  .mobile-nav a {
    padding: 12px 16px;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-sm);
  }
  .mobile-nav a:hover { background: var(--bg-elevated); color: var(--text-primary); }
  .mobile-nav .btn { margin-top: 12px; text-align: center; justify-content: center; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}