/* ============================================================
   PERENCANAAN UIN SYAHADA PADANGSIDIMPUAN
   Design System & Public Website Styles
   ============================================================ */

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

/* ============================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================ */
:root {
  /* -- Colors: Light Mode -- */
  --primary: #0F172A;
  --primary-rgb: 15, 23, 42;
  --accent: #0369A1;
  --accent-light: #10B981;
  --accent-rgb: 3, 105, 161;
  --accent-light-rgb: 16, 185, 129;
  --bg: #F8FAFC;
  --bg-alt: #F1F5F9;
  --surface: #FFFFFF;
  --surface-hover: #F1F5F9;
  --surface-active: #E2E8F0;
  --text: #020617;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  --destructive: #DC2626;
  --success: #16A34A;
  --warning: #D97706;
  --info: #0284C7;
  --ring: #0369A1;
  --shadow-color: 0, 0, 0;
  --overlay: rgba(0, 0, 0, 0.5);

  /* -- Typography -- */
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* -- Spacing (4px grid) -- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* -- Radius -- */
  --radius-sm: 4px;
  --radius: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* -- Shadows -- */
  --shadow-xs: 0 1px 2px rgba(var(--shadow-color), 0.04);
  --shadow-sm: 0 1px 3px rgba(var(--shadow-color), 0.08), 0 1px 2px rgba(var(--shadow-color), 0.04);
  --shadow: 0 4px 6px rgba(var(--shadow-color), 0.06), 0 2px 4px rgba(var(--shadow-color), 0.04);
  --shadow-md: 0 4px 12px rgba(var(--shadow-color), 0.1), 0 2px 4px rgba(var(--shadow-color), 0.04);
  --shadow-lg: 0 10px 25px rgba(var(--shadow-color), 0.1), 0 4px 10px rgba(var(--shadow-color), 0.04);
  --shadow-xl: 0 20px 40px rgba(var(--shadow-color), 0.12);

  /* -- Transitions -- */
  --transition-fast: 150ms ease;
  --transition: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* -- Z-index -- */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-overlay: 400;
  --z-modal: 500;
  --z-toast: 600;
  --z-tooltip: 700;

  /* -- Layout -- */
  --container: 1280px;
  --header-height: 72px;
  --bottom-nav-height: 64px;
  --sidebar-width: 280px;
}

/* ---- Dark Mode ---- */
[data-theme="dark"] {
  --primary: #E2E8F0;
  --primary-rgb: 226, 232, 240;
  --accent: #38BDF8;
  --accent-light: #34D399;
  --accent-rgb: 56, 189, 248;
  --accent-light-rgb: 52, 211, 153;
  --bg: #0B1120;
  --bg-alt: #111827;
  --surface: #1E293B;
  --surface-hover: #334155;
  --surface-active: #475569;
  --text: #F1F5F9;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-light: #64748B;
  --border: #1E293B;
  --border-light: #1E293B;
  --destructive: #EF4444;
  --success: #22C55E;
  --warning: #F59E0B;
  --info: #38BDF8;
  --ring: #38BDF8;
  --shadow-color: 0, 0, 0;
  --overlay: rgba(0, 0, 0, 0.7);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
}

input, textarea, select {
  font-family: var(--font);
  font-size: var(--font-size-base);
}

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

::selection {
  background: var(--accent);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* ============================================================
   3. UTILITY CLASSES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-20) 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
  color: var(--text);
}

.section-desc {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.badge-primary {
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
}

.badge-success {
  background: rgba(22, 163, 74, 0.12);
  color: var(--success);
}

.badge-warning {
  background: rgba(217, 119, 6, 0.12);
  color: var(--warning);
}

.badge-danger {
  background: rgba(220, 38, 38, 0.12);
  color: var(--destructive);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================================
   4. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover::after { opacity: 0.06; }
.btn:active::after { opacity: 0.12; }
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--surface-hover);
}

.btn-sm {
  padding: 6px 14px;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 14px 28px;
  font-size: var(--font-size-base);
}

.btn-icon {
  padding: 10px;
  border-radius: var(--radius-md);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   5. HEADER / NAVBAR
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height, 70px);
  background: rgba(248, 250, 252, 0.9);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
  z-index: var(--z-sticky);
  pointer-events: auto;
  transition: all var(--transition-slow);
}

[data-theme="dark"] .header {
  background: rgba(11, 17, 32, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-4);
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  pointer-events: auto;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (min-width: 1024px) {
  .header {
    height: 90px;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    pointer-events: none;
  }

  .header-inner {
    height: 72px;
    width: calc(100% - 32px);
    margin: 12px auto 0 auto;
    padding: 0 var(--space-6);
    background: rgba(248, 250, 252, 0);
    border: 1px solid transparent;
    border-radius: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
  }

  [data-theme="dark"] .header-inner {
    background: rgba(11, 17, 32, 0);
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0);
  }

  /* Scrolled state (Floating & Glassmorphic) */
  .header.scrolled .header-inner {
    max-width: 896px; /* max-w-4xl */
    width: calc(100% - 32px);
    height: 56px;
    margin: 12px auto 0 auto;
    padding: 0 var(--space-5);
    background: rgba(248, 250, 252, 0.85);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  }

  [data-theme="dark"] .header.scrolled .header-inner {
    background: rgba(11, 17, 32, 0.8);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.header-logo svg {
  width: 40px;
  height: 40px;
}

.header-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  transition: all var(--transition);
}

.header-logo-text strong {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.header-logo-text span {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hide span on scrolled state or smaller screens to avoid collision */
@media (max-width: 1200px) {
  .header-logo-text span {
    display: none;
  }
}
.header.scrolled .header-logo-text span {
  display: none;
}

/* Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 1024px) {
  .header-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    height: 100%;
  }
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 8px 14px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.nav-link.active {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
}

.nav-link svg {
  width: 16px;
  height: 16px;
  opacity: 0.6;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: var(--z-dropdown);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 14px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.nav-dropdown-item:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.nav-dropdown-item svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: all var(--transition);
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-spring);
}

.theme-toggle:active svg {
  transform: rotate(30deg) scale(0.9);
}

.theme-toggle .icon-sun,
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* Hamburger */
.header-cta {
  display: inline-flex;
}

@media (max-width: 1024px) {
  .header-cta {
    display: none;
  }
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text);
  transition: background var(--transition);
}

.hamburger:hover { background: var(--surface-hover); }

.hamburger svg { width: 22px; height: 22px; }

/* ============================================================
   6. MOBILE SIDEBAR
   ============================================================ */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  max-width: 85vw;
  background: var(--surface);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-sidebar.active {
  transform: translateX(0);
}

.mobile-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}

.mobile-sidebar-header h3 {
  font-size: var(--font-size-lg);
}

.mobile-sidebar-nav {
  padding: var(--space-4) var(--space-3);
  flex: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px var(--space-4);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.mobile-nav-link:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.mobile-nav-link svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

.mobile-sidebar-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
}

/* ============================================================
   7. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-16));
  padding-bottom: var(--space-16);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(var(--accent-rgb), 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(var(--accent-rgb), 0.06), transparent);
  pointer-events: none;
}

[data-theme="dark"] .hero::before {
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(var(--accent-rgb), 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(var(--accent-rgb), 0.08), transparent);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(var(--accent-rgb), 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: var(--space-6);
}

.hero-badge svg { width: 16px; height: 16px; }

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  color: var(--text);
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-stats-row {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: 2px;
}

/* Hero Visual */
.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  max-width: 560px;
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  opacity: 0.9;
}

.hero-visual-inner {
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.05) 0%, transparent 50%),
    linear-gradient(225deg, rgba(var(--accent-rgb), 0.08) 0%, transparent 50%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.hero-visual-mockup {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mockup-bar {
  display: flex;
  gap: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.mockup-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
}

.mockup-line {
  height: 10px;
  border-radius: 5px;
  background: var(--border);
}

.mockup-line.w-80 { width: 80%; }
.mockup-line.w-60 { width: 60%; }
.mockup-line.w-40 { width: 40%; }
.mockup-line.w-full { width: 100%; }

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  flex: 1;
}

.mockup-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

/* ============================================================
   8. SEARCH SECTION
   ============================================================ */
.search-section {
  padding: var(--space-10) 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.search-wrapper {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.search-wrapper h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.search-wrapper p {
  color: var(--text-muted);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 6px 6px 6px 20px;
  gap: var(--space-3);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.12);
}

.search-box svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: var(--font-size-base);
  color: var(--text);
  padding: 8px 0;
}

.search-box input::placeholder {
  color: var(--text-light);
}

.search-box .btn {
  flex-shrink: 0;
  border-radius: var(--radius-lg);
  padding: 10px 24px;
}

/* ============================================================
   9. NEWS/BLOG SECTION
   ============================================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.news-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--accent-rgb), 0.3);
}

.news-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-alt);
  position: relative;
  overflow: hidden;
}

.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-card-img img {
  transform: scale(1.05);
}

.news-card-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.news-card-meta .badge {
  font-size: 10px;
  padding: 2px 8px;
}

.news-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}

.news-card:hover .news-card-title {
  color: var(--accent);
}

.news-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.news-card-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.news-card-author-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}

/* Share buttons */
.share-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.share-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-muted);
  transition: all var(--transition);
}

.share-btn:hover {
  background: var(--surface-hover);
  color: var(--accent);
}

.share-btn svg {
  width: 14px;
  height: 14px;
}

/* ============================================================
   10. INFO & PENGUMUMAN (TABS)
   ============================================================ */
.info-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.info-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.info-panel-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.info-panel-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-panel-icon.info {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
}

.info-panel-icon.announcement {
  background: rgba(217, 119, 6, 0.1);
  color: var(--warning);
}

.info-panel-icon svg {
  width: 20px;
  height: 20px;
}

.info-panel-header h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
}

.info-list {
  padding: var(--space-2);
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  transition: background var(--transition);
  cursor: pointer;
}

.info-item:hover {
  background: var(--surface-hover);
}

.info-item-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 48px;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-alt);
  border-radius: var(--radius);
  flex-shrink: 0;
}

.info-item-date .day {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.info-item-date .month {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-item-content h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.info-item-content p {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.info-panel-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border);
  text-align: center;
}

.info-panel-footer a {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.info-panel-footer a svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.info-panel-footer a:hover svg {
  transform: translateX(3px);
}

/* ============================================================
   APPS SECTION
   ============================================================ */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  transition: all var(--transition);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(var(--primary-rgb), 0.3);
}

.app-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.app-card-icon svg {
  width: 24px;
  height: 24px;
}

.app-card-content {
  flex: 1;
}

.app-card-content h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-1);
}

.app-card-content p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: 1.4;
}
/* ============================================================
   11. STATISTICS SECTION
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.stat-icon svg {
  width: 24px;
  height: 24px;
}

.stat-value {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   12. FOOTER
   ============================================================ */
.footer {
  background: var(--primary);
  color: #CBD5E1;
  padding: var(--space-16) 0 0;
}

[data-theme="dark"] .footer {
  background: #050A15;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

.footer-brand p {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  line-height: 1.7;
  color: #94A3B8;
  max-width: 300px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-brand-logo svg {
  width: 36px;
  height: 36px;
}

.footer-brand-logo span {
  font-weight: 700;
  font-size: var(--font-size-base);
  color: #F1F5F9;
}

.footer-social {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  color: #94A3B8;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: #fff;
}

.footer-social a svg {
  width: 16px;
  height: 16px;
}

.footer-col h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: #F1F5F9;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: var(--font-size-sm);
  color: #94A3B8;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-col a:hover { color: #F1F5F9; }

.footer-col a svg {
  width: 14px;
  height: 14px;
  opacity: 0.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: #64748B;
}

.footer-bottom a { color: #94A3B8; }
.footer-bottom a:hover { color: #F1F5F9; }

/* ============================================================
   13. SCROLL BUTTONS
   ============================================================ */
.scroll-buttons {
  position: fixed;
  bottom: 90px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: var(--z-fixed);
}

.scroll-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  color: var(--text-secondary);
  transition: all var(--transition);
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.scroll-btn.visible {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.scroll-btn:hover {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}

.scroll-btn svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   14. CHAT BUTTON
   ============================================================ */
.chat-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.4);
  z-index: var(--z-fixed);
  transition: all var(--transition);
}

.chat-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(var(--accent-rgb), 0.5);
}

.chat-fab:active {
  transform: scale(0.95);
}

.chat-fab svg {
  width: 24px;
  height: 24px;
}

.chat-fab-pulse {
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  background: rgba(var(--accent-rgb), 0.3);
  animation: chatPulse 2s ease-in-out infinite;
  z-index: -1;
}

@keyframes chatPulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.15); opacity: 0; }
}

/* ============================================================
   15. BOTTOM NAVIGATION (PWA)
   ============================================================ */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: var(--z-sticky);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.bottom-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
  padding: 0 var(--space-2);
  max-width: 500px;
  margin: 0 auto;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 12px;
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav-item svg {
  width: 22px;
  height: 22px;
  transition: transform var(--transition-spring);
}

.bottom-nav-item.active {
  color: var(--accent);
}

.bottom-nav-item.active svg {
  transform: scale(1.1);
}

.bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 0 0 2px 2px;
  background: var(--accent);
}

.bottom-nav-item:active svg {
  transform: scale(0.9);
}

/* ============================================================
   16. TOAST NOTIFICATION
   ============================================================ */
.toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 12px 24px;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.toast svg {
  width: 16px;
  height: 16px;
}

/* ============================================================
   17. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .header { display: none; }
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .bottom-nav { display: block; }

  .hero-visual { display: none; }
  .hero { min-height: 0; padding-bottom: var(--space-12); }
  .hero-stats-row { gap: var(--space-6); }

  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }

  .scroll-buttons { bottom: calc(var(--bottom-nav-height) + 70px); }
  .chat-fab { bottom: calc(var(--bottom-nav-height) + 16px); }

  body {
    padding-bottom: var(--bottom-nav-height);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }

  .section { padding: var(--space-12) 0; }
  .container { padding: 0 var(--space-4); }

  .hero { padding-top: calc(var(--header-height) + var(--space-10)); }
  .hero-title { font-size: var(--font-size-3xl); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-stats-row { flex-direction: column; gap: var(--space-4); }

  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }

  .search-box { flex-direction: column; padding: var(--space-3); }
  .search-box input { width: 100%; text-align: center; }
  .search-box .btn { width: 100%; }

  .footer-bottom { flex-direction: column; gap: var(--space-2); text-align: center; }
}

@media (max-width: 375px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card { padding: var(--space-6) var(--space-4); }
}

/* ============================================================
   18. ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children */
.stagger > .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.stagger > .animate-on-scroll:nth-child(2) { transition-delay: 80ms; }
.stagger > .animate-on-scroll:nth-child(3) { transition-delay: 160ms; }
.stagger > .animate-on-scroll:nth-child(4) { transition-delay: 240ms; }
.stagger > .animate-on-scroll:nth-child(5) { transition-delay: 320ms; }
.stagger > .animate-on-scroll:nth-child(6) { transition-delay: 400ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .animate-on-scroll { opacity: 1; transform: none; }
}

/* ============================================================
   19. SEARCH OVERLAY (Mobile)
   ============================================================ */
.search-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: var(--z-modal);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-overlay-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.search-overlay-header input {
  flex: 1;
  padding: 12px 16px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  color: var(--text);
  outline: none;
}

.search-overlay-header input:focus {
  border-color: var(--accent);
}

/* ============================================================
   20. MISC
   ============================================================ */
/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Selection */
::selection {
  background: rgba(var(--accent-rgb), 0.2);
  color: var(--text);
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--border) 0%, var(--surface-hover) 50%, var(--border) 100%);
  background-size: 200% 100%;
  animation: skeleton 1.5s ease infinite;
  border-radius: var(--radius);
}

@keyframes skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Mobile Sidebar Child Link Navigation */
.mobile-nav-link.child-link {
  margin-left: var(--space-6);
  font-size: var(--font-size-sm);
  padding: 8px var(--space-4);
  opacity: 0.85;
}

/* Logo custom styles */
.header-logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}