/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-sans);

  /* Transition Speeds */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme (Default) */
[data-theme="dark"] {
  --bg-primary: #080d1a;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-glow-primary: rgba(16, 185, 129, 0.08);
  --bg-glow-secondary: rgba(245, 158, 11, 0.05);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-green: #10b981;
  --accent-green-hover: #34d399;
  --accent-green-glow: rgba(16, 185, 129, 0.2);
  
  --accent-gold: #f59e0b;
  --accent-gold-hover: #fbbf24;
  --accent-gold-glow: rgba(245, 158, 11, 0.25);
  
  --accent-red: #f43f5e;
  --accent-red-hover: #fb7185;
  --accent-red-glow: rgba(244, 63, 94, 0.2);
  
  --border-color: rgba(255, 255, 255, 0.06);
  --border-color-hover: rgba(255, 255, 255, 0.12);
  
  --glass-bg: rgba(15, 23, 42, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  --console-bg: #030712;
  --console-border: rgba(255, 255, 255, 0.05);
  --console-text: #34d399;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-glow-primary: rgba(16, 185, 129, 0.03);
  --bg-glow-secondary: rgba(245, 158, 11, 0.02);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-green: #059669;
  --accent-green-hover: #047857;
  --accent-green-glow: rgba(5, 150, 105, 0.1);
  
  --accent-gold: #d97706;
  --accent-gold-hover: #b45309;
  --accent-gold-glow: rgba(217, 119, 6, 0.15);
  
  --accent-red: #e11d48;
  --accent-red-hover: #be123c;
  --accent-red-glow: rgba(225, 29, 72, 0.1);
  
  --border-color: rgba(15, 23, 42, 0.08);
  --border-color-hover: rgba(15, 23, 42, 0.15);
  
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(15, 23, 42, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.08);
  
  --console-bg: #0f172a;
  --console-border: rgba(255, 255, 255, 0.1);
  --console-text: #10b981;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Base Layout Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* Ambient glow backgrounds */
.glow-bg {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.6;
}
.glow-primary {
  width: 600px;
  height: 600px;
  background: var(--bg-glow-primary);
  top: -100px;
  right: -100px;
}
.glow-secondary {
  width: 500px;
  height: 500px;
  background: var(--bg-glow-secondary);
  top: 600px;
  left: -200px;
}

/* ==========================================================================
   Typography & UI Elements
   ========================================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

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

.highlight {
  color: var(--accent-green);
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0.1em;
  width: 100%;
  height: 0.15em;
  background: var(--accent-gold);
  opacity: 0.3;
  z-index: -1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-green);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--accent-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-green-glow);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-muted);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
}
.btn-outline:hover {
  background-color: var(--accent-green);
  color: white;
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn-primary-glow {
  background-color: var(--accent-green);
  color: white;
  box-shadow: 0 0 15px var(--accent-green-glow);
}
.btn-primary-glow:hover {
  background-color: var(--accent-green-hover);
  box-shadow: 0 0 25px var(--accent-green-glow);
  transform: scale(1.02);
}

.btn-danger-glow {
  background-color: var(--accent-red);
  color: white;
  box-shadow: 0 0 15px var(--accent-red-glow);
}
.btn-danger-glow:hover {
  background-color: var(--accent-red-hover);
  box-shadow: 0 0 25px var(--accent-red-glow);
  transform: scale(1.02);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Badges & Tags */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--accent-green-glow);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.badge-gold {
  background-color: var(--accent-gold-glow);
  color: var(--accent-gold);
  border-color: rgba(245, 158, 11, 0.2);
}

.badge-success { background-color: var(--accent-green-glow); color: var(--accent-green); }
.badge-danger { background-color: var(--accent-red-glow); color: var(--accent-red); }
.badge-gold-filled { background-color: var(--accent-gold); color: #000; }

/* Section Header standard */
.section-header {
  max-width: 700px;
  margin: 0 auto 4rem auto;
}
.section-subtitle {
  color: var(--accent-gold);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  display: block;
}
.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
}
.text-center {
  text-align: center;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  height: 70px;
  display: flex;
  align-items: center;
  transition: all var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

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

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 550;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-green);
  transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

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

/* Light / Dark rendering logic for icons */
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 140px 0 80px 0;
  position: relative;
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-content p {
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-footer-notes {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-footer-notes .separator {
  opacity: 0.3;
}

.hero-visual {
  position: relative;
}

.visual-wrapper {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  background-color: var(--bg-tertiary);
  transform: perspective(1000px) rotateY(-5deg);
  transition: transform var(--transition-slow);
}

.visual-wrapper:hover {
  transform: perspective(1000px) rotateY(0deg);
}

.hero-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.glass-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(8, 13, 26, 0.95), rgba(8, 13, 26, 0.4));
  border-top: 1px solid var(--glass-border);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.overlay-text {
  font-style: italic;
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.overlay-author {
  font-size: 0.75rem;
  color: var(--accent-gold);
  font-weight: 700;
  text-transform: uppercase;
}

/* ==========================================================================
   AI vs Ulama Dashboard
   ========================================================================== */
.ai-vs-ulama-section {
  padding: 100px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.dashboard-container {
  background-color: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}

.dashboard-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  background: none;
  border: none;
  padding: 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  position: relative;
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--accent-green);
}

#tab-ai.active::after {
  background-color: var(--accent-red);
}

#tab-ulama.active::after {
  background-color: var(--accent-green);
}

.dashboard-content-wrapper {
  padding: 3rem;
  background-color: var(--bg-secondary);
}

.dashboard-content {
  display: none;
}

.dashboard-content.active {
  display: block;
  animation: fadeIn 0.4s ease-in-out forwards;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.content-text h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.content-text p {
  margin-bottom: 1.5rem;
}

.bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.bullet-list li {
  position: relative;
  padding-left: 2.25rem;
}

.bullet-list li strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}

.bullet-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 900;
}

.warning-list li::before {
  content: '✕';
  background-color: var(--accent-red-glow);
  color: var(--accent-red);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

.success-list li::before {
  content: '✓';
  background-color: var(--accent-green-glow);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.quote-box {
  border-left: 3px solid transparent;
  padding: 1rem 1.5rem;
  border-radius: 0 8px 8px 0;
}

.warning-box {
  background-color: var(--accent-red-glow);
  border-color: var(--accent-red);
}
.warning-box p {
  color: var(--text-primary);
  font-style: italic;
  font-size: 0.95rem;
  margin: 0;
}

.success-box {
  background-color: var(--accent-green-glow);
  border-color: var(--accent-green);
}
.success-box p {
  color: var(--text-primary);
  font-style: italic;
  font-size: 0.95rem;
  margin: 0;
}

/* Spec Card Visual representation */
.spec-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.spec-header {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  font-size: 0.9rem;
}

.spec-row:last-child {
  border: none;
}

.spec-row span {
  font-weight: 500;
}

/* ==========================================================================
   Method Section (Aswaja Progresif)
   ========================================================================== */
.method-section {
  padding: 100px 0;
  position: relative;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.method-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.method-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--accent-green);
  border-radius: 16px 16px 0 0;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.method-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-green);
  box-shadow: 0 20px 40px rgba(16, 185, 129, 0.05);
}

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

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.method-card h3 {
  font-size: 1.4rem;
}

.method-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
}

.card-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-top: 1px solid var(--border-color);
  width: 100%;
  padding-top: 1rem;
  margin-top: 1rem;
}

/* ==========================================================================
   Sharia Problem Solver Section
   ========================================================================== */
.solver-section {
  padding: 100px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.solver-app {
  display: grid;
  grid-template-columns: 1fr 2fr;
  background-color: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  min-height: 550px;
}

.solver-sidebar {
  border-right: 1px solid var(--border-color);
  padding: 2rem;
  background-color: rgba(0, 0, 0, 0.05);
}

.solver-sidebar h3 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.cases-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.case-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  cursor: pointer;
  display: flex;
  gap: 1rem;
  align-items: center;
  text-align: left;
  transition: all var(--transition-fast);
  width: 100%;
}

.case-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-muted);
}

.case-info h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
  color: var(--text-primary);
}

.case-info p {
  font-size: 0.75rem;
  margin: 0;
}

.case-btn:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-muted);
}

.case-btn.active {
  border-color: var(--accent-green);
  background-color: var(--bg-tertiary);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.08);
}

.case-btn.active .case-number {
  color: var(--accent-green);
}

.solver-main {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.case-detail-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
}

.case-detail-box h3 {
  font-size: 1.5rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.case-detail-box p {
  font-size: 0.95rem;
}

.solver-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* Console output styling */
.console-screen {
  background-color: var(--console-bg);
  border: 1px solid var(--console-border);
  border-radius: 12px;
  overflow: hidden;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.console-header {
  background-color: rgba(255, 255, 255, 0.02);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--console-border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.console-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-left: auto;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.console-body {
  padding: 1.5rem;
  font-family: monospace;
  font-size: 0.95rem;
  color: var(--console-text);
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-y: auto;
  min-height: 180px;
  max-height: 250px;
}

.console-placeholder {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-style: italic;
}

.console-line {
  margin-bottom: 0.75rem;
}

.console-step-title {
  color: var(--accent-gold);
  font-weight: bold;
  display: block;
  margin-top: 0.75rem;
}

/* ==========================================================================
   Timeline Section
   ========================================================================== */
.timeline-section {
  padding: 100px 0;
  border-top: 1px solid var(--border-color);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--border-color);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 3.5rem;
  position: relative;
}

.timeline-badge {
  background-color: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--accent-gold);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.timeline-panel {
  width: 44%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  position: relative;
  box-shadow: var(--glass-shadow);
}

.timeline-item:nth-child(odd) .timeline-panel {
  margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-panel {
  margin-right: auto;
}

.timeline-panel h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.timeline-panel p {
  font-size: 0.95rem;
}

.timeline-item.highlight-item .timeline-badge {
  background-color: var(--accent-green);
  color: white;
  border-color: var(--accent-green);
  box-shadow: 0 0 15px var(--accent-green-glow);
}

.timeline-item.highlight-item .timeline-panel {
  border-color: var(--accent-green);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.05);
}

/* ==========================================================================
   Admission Form Section
   ========================================================================== */
.admission-section {
  padding: 80px 0 100px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.admission-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  padding: 4rem;
}

.admission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.admission-info h2 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

.admission-info p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-details p {
  font-size: 0.95rem;
  margin: 0;
  color: var(--text-primary);
  font-weight: 500;
}

/* Form Styles */
.admission-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-group input, .form-group textarea {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green-glow);
}

.form-success-alert {
  background-color: var(--accent-green-glow);
  border: 1px solid var(--accent-green);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: slideIn 0.3s ease forwards;
}

.success-icon {
  background-color: var(--accent-green);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 3rem 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 380px;
}

.footer-links h4 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.author-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-coding {
  background-color: var(--accent-gold-glow);
  color: var(--accent-gold);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ==========================================================================
   Animations & Responsive Breakpoints
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Queries */
@media (max-width: 1024px) {
  .hero-grid, .content-grid, .admission-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-visual {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .visual-wrapper {
    transform: none;
  }
  .visual-wrapper:hover {
    transform: none;
  }

  .timeline::before {
    left: 20px;
  }
  .timeline-badge {
    left: 20px;
    transform: none;
  }
  .timeline-panel {
    width: calc(100% - 60px);
    margin-left: 60px !important;
  }
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.75rem;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem;
  }
  
  .main-nav.active {
    display: block;
    animation: slideIn 0.3s ease forwards;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }

  /* Hamburger transform when menu is open */
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .solver-app {
    grid-template-columns: 1fr;
  }
  
  .solver-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .solver-controls {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .admission-card {
    padding: 2rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* prefers-reduced-motion media query */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-delay: 0s !important;
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }
  .visual-wrapper {
    transform: none !important;
  }
}