/* ═══════════════════════════════════════════════════════════
   SUAR Landing Page — Premium Dark Mode Design System
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg: #f5f5f7;
  --bg-subtle: #ffffff;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --surface-3: #f3f4f6;
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.15);
  --text: #1d1d1f;
  --text-muted: #86868b;
  --text-dim: #a1a1a6;

  /* SUAR Blue palette */
  --primary: #6b9bd2;
  --primary-dark: #4a7ab5;
  --primary-light: #8cb5e3;
  --primary-bg: rgba(107, 155, 210, 0.08);
  --primary-glow: rgba(107, 155, 210, 0.25);

  /* Accent colors */
  --green: #38d996;
  --green-bg: rgba(56, 217, 150, 0.1);
  --red: #ff6577;
  --red-bg: rgba(255, 101, 119, 0.1);
  --yellow: #f6c85f;
  --yellow-bg: rgba(246, 200, 95, 0.1);
  --purple: #bb8cff;
  --purple-bg: rgba(187, 140, 255, 0.1);
  --teal: #34d399;
  --teal-bg: rgba(52, 211, 153, 0.1);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 8px 32px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.08);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Consolas', monospace;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

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

/* ═══════════════════════════════════════
   ANIMATED BACKGROUND
   ═══════════════════════════════════════ */
.bg-effects {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(107,155,210,0.4), transparent 70%);
  top: -200px; right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(187,140,255,0.3), transparent 70%);
  bottom: -150px; left: -100px;
  animation-delay: -7s;
  animation-duration: 25s;
}

.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(52,211,153,0.25), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
  animation-duration: 30s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(40px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(30px, 40px) scale(1.02); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ═══════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 10px 0;
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  filter: brightness(1.1);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-badge-demo {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 600 0.7rem var(--mono);
  color: var(--green);
  background: var(--green-bg);
  border: 1px solid rgba(56, 217, 150, 0.2);
  border-radius: 999px;
  padding: 6px 14px;
  letter-spacing: 0.08em;
}

.pulse-dot-live {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-live 2s ease-in-out infinite;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(56,217,150,0.4); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(56,217,150,0); }
}

/* ═══════════════════════════════════════
   HERO
   ═══════════════════════════════════════ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 64px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px 80px;
}

.hero-content { flex: 1; max-width: 640px; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.badge-tech {
  font: 600 0.68rem var(--mono);
  color: var(--primary-light);
  background: var(--primary-bg);
  border: 1px solid rgba(107, 155, 210, 0.15);
  border-radius: 999px;
  padding: 5px 12px;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.title-accent {
  background: linear-gradient(135deg, var(--primary), var(--primary-light), #a8d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-divider {
  color: var(--text-dim);
  margin: 0 8px;
  font-weight: 300;
}

.title-sub {
  display: block;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 8px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 32px;
}

.hero-desc strong { color: var(--text); font-weight: 600; }
.hero-desc em { color: var(--primary-light); font-style: normal; }

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 48px;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white;
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-hero-secondary:hover {
  border-color: var(--border-hover);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.hero-stat { text-align: center; }

.stat-num {
  display: block;
  font: 800 1.8rem var(--font);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 2px;
  font-weight: 500;
}

.hero-stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
}

/* Phone Mockup */
.hero-visual {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 280px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(107,155,210,0.08);
  position: relative;
  animation: phone-float 6s ease-in-out infinite;
}

@keyframes phone-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.phone-notch {
  width: 100px; height: 28px;
  background: var(--bg);
  border-radius: 0 0 16px 16px;
  margin: 0 auto 12px;
}

.phone-screen {
  background: var(--bg-subtle);
  border-radius: 24px;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mock-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.mock-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: white;
}

.mock-name { font-weight: 700; font-size: 0.85rem; }
.mock-sub { font-size: 0.7rem; color: var(--text-dim); }

.mock-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
}

.mock-card:hover { border-color: var(--border-hover); }
.mock-icon { font-size: 1.2rem; }
.mock-arrow { margin-left: auto; color: var(--text-dim); font-size: 0.9rem; }

.mock-card-sos { border-left: 3px solid var(--red); }
.mock-card-report { border-left: 3px solid var(--yellow); }
.mock-card-consult { border-left: 3px solid var(--teal); }
.mock-card-monitor { border-left: 3px solid var(--purple); }

/* ═══════════════════════════════════════
   SECTION COMMON
   ═══════════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  font: 700 0.68rem var(--mono);
  color: var(--primary);
  background: var(--primary-bg);
  border: 1px solid rgba(107,155,210,0.15);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ═══════════════════════════════════════
   PORTAL CARDS
   ═══════════════════════════════════════ */
.portals {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.portal-card {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition);
  cursor: pointer;

  /* Animate on scroll */
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s, box-shadow 0.3s;
}

.portal-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.portal-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card-glow {
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.portal-card:hover .card-glow { opacity: 1; }

.card-user .card-glow { background: radial-gradient(circle at 50% 50%, rgba(107,155,210,0.08), transparent 60%); }
.card-admin .card-glow { background: radial-gradient(circle at 50% 50%, rgba(246,200,95,0.06), transparent 60%); }
.card-psikolog .card-glow { background: radial-gradient(circle at 50% 50%, rgba(52,211,153,0.06), transparent 60%); }
.card-blockchain .card-glow { background: radial-gradient(circle at 50% 50%, rgba(187,140,255,0.06), transparent 60%); }

.card-icon-wrap { display: flex; align-items: center; }

.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
}

.card-user .card-icon { background: var(--primary-bg); border: 1px solid rgba(107,155,210,0.2); }
.card-admin .card-icon { background: var(--yellow-bg); border: 1px solid rgba(246,200,95,0.2); }
.card-psikolog .card-icon { background: var(--teal-bg); border: 1px solid rgba(52,211,153,0.2); }
.card-blockchain .card-icon { background: var(--purple-bg); border: 1px solid rgba(187,140,255,0.2); }

.card-content { flex: 1; }
.card-content h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.card-content p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.card-tags span {
  font: 500 0.68rem var(--mono);
  color: var(--text-dim);
  background: rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 6px;
  padding: 3px 8px;
}

.card-action {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.portal-card:hover .card-action { gap: 12px; }
.portal-card:hover .card-action svg { transform: translateX(4px); }
.card-action svg { transition: var(--transition); }

/* ═══════════════════════════════════════
   ARCHITECTURE DIAGRAM
   ═══════════════════════════════════════ */
.architecture {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
}

.arch-diagram {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.arch-layer {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  /* Animate */
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.arch-layer.visible { opacity: 1; transform: translateY(0); }

.layer-label {
  font: 700 0.7rem var(--mono);
  color: var(--text-dim);
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  text-align: center;
}

.layer-items {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 24px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 150px;
  text-align: center;
  transition: var(--transition);
}

.arch-node:hover { border-color: var(--border-hover); transform: translateY(-2px); }

.node-icon { font-size: 1.6rem; }
.node-name { font-weight: 700; font-size: 0.85rem; }
.node-tech { font: 400 0.72rem var(--mono); color: var(--text-dim); }

.arch-connector {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  justify-content: center;
}

.connector-line {
  flex: 1;
  max-width: 120px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

.connector-label {
  font: 600 0.7rem var(--mono);
  color: var(--primary);
  white-space: nowrap;
  padding: 4px 12px;
  background: var(--primary-bg);
  border-radius: 999px;
  border: 1px solid rgba(107,155,210,0.15);
}

.handler-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-top: 14px;
}

.handler-tags span {
  font: 500 0.68rem var(--mono);
  color: var(--green);
  background: var(--green-bg);
  border: 1px solid rgba(56,217,150,0.15);
  border-radius: 6px;
  padding: 3px 10px;
}

/* ═══════════════════════════════════════
   FEATURES
   ═══════════════════════════════════════ */
.features {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  /* Animate */
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.3s, box-shadow 0.3s;
}

.feature-card.visible { opacity: 1; transform: translateY(0); }
.feature-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: var(--shadow); }

.feature-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.feat-anonymous { background: var(--primary-bg); border: 1px solid rgba(107,155,210,0.2); }
.feat-sos { background: var(--red-bg); border: 1px solid rgba(255,101,119,0.2); }
.feat-monitor { background: var(--purple-bg); border: 1px solid rgba(187,140,255,0.2); }
.feat-consult { background: var(--teal-bg); border: 1px solid rgba(52,211,153,0.2); }
.feat-realtime { background: var(--yellow-bg); border: 1px solid rgba(246,200,95,0.2); }
.feat-chain { background: rgba(107,155,210,0.06); border: 1px solid rgba(107,155,210,0.15); }

.feature-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ═══════════════════════════════════════
   TEAM
   ═══════════════════════════════════════ */
.team {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.team-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  /* Animate */
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.3s;
}

.team-card.visible { opacity: 1; transform: translateY(0); }
.team-card:hover { border-color: var(--border-hover); }

.team-avatar {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: inline-grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
  margin-bottom: 16px;
}

.team-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.team-nim { font: 500 0.72rem var(--mono); color: var(--primary); margin-bottom: 10px; }
.team-role { font-size: 0.78rem; color: var(--text-dim); line-height: 1.5; }

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 32px;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.footer-logo {
  height: 28px;
  opacity: 0.6;
  filter: grayscale(0.3);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-divider {
  width: 60px; height: 1px;
  background: var(--border);
  margin: 20px auto;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-note {
  font-size: 0.75rem;
  color: var(--text-dim);
  background: rgba(246,200,95,0.05);
  border: 1px solid rgba(246,200,95,0.1);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  display: inline-block;
  max-width: 600px;
}

.footer-note strong { color: var(--yellow); }

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    gap: 48px;
    padding-top: 100px;
  }

  .hero-content { max-width: 100%; }
  .hero-badges { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }

  .portal-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.2rem; }
  .title-sub { font-size: 1.2rem; }

  .nav-links { display: none; }

  .portal-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero-stat-divider {
    width: 40px; height: 1px;
  }

  .layer-items { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .title-sub { font-size: 1rem; }
  .hero { padding: 90px 16px 40px; }
  .portals, .architecture, .features, .team { padding: 48px 16px; }
  .nav-inner { padding: 0 16px; }
  .team-grid { grid-template-columns: 1fr; }
  .phone-mockup { width: 240px; }

  .hero-actions { flex-direction: column; }
  .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; }
}