@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400&display=swap');

:root {
  --bg-primary: #031414;
  --bg-secondary: #062121;
  --bg-tertiary: #0a3535;
  --accent-gold: #007474;
  --accent-gold-hover: #009999;
  --accent-violet: #00a8a8;
  --accent-violet-hover: #00d2d2;
  --accent-cyan: #00f3f3;
  
  --text-primary: #ffffff;
  --text-secondary: #d1dfdf;
  --text-muted: #91a8a8;
  
  --border-color: rgba(0, 116, 116, 0.25);
  --border-light: rgba(255, 255, 255, 0.06);
  --glass-bg: rgba(6, 33, 33, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  
  --font-sans: 'Outfit', sans-serif;
  --font-serif: 'Playfair Display', serif;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.7);
  --shadow-gold: 0 0 20px rgba(0, 116, 116, 0.3);
  --shadow-violet: 0 0 25px rgba(0, 168, 168, 0.35);
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  --header-bg: rgba(3, 20, 20, 0.85);
  --header-scrolled-bg: rgba(3, 20, 20, 0.95);
  --footer-bg: #020a0a;
  --countdown-bg: linear-gradient(145deg, rgba(6, 33, 33, 0.95) 0%, rgba(3, 20, 20, 0.98) 100%);
  --popular-pricing-bg: linear-gradient(145deg, rgba(6, 33, 33, 0.95) 0%, rgba(3, 20, 20, 0.98) 100%);
  
  --logo-span-color: var(--accent-cyan);
  --badge-bg: rgba(0, 243, 243, 0.08);
  --badge-color: var(--accent-cyan);
  --badge-border: rgba(0, 243, 243, 0.2);
  --tag-color: var(--accent-cyan);
  --hero-badge-bg: rgba(0, 243, 243, 0.05);
  --hero-badge-border: rgba(0, 243, 243, 0.15);
  --hero-badge-color: var(--accent-cyan);
  --hero-badge-span-bg: var(--accent-cyan);
  --nav-hover-color: var(--accent-cyan);
  --nav-hover-bg: rgba(0, 116, 116, 0.15);
}

body.light-theme {
  --bg-primary: #f4fbfb;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e0f2f1;
  
  --text-primary: #041f1f;
  --text-secondary: #273838;
  --text-muted: #4e6363;
  
  --border-color: rgba(0, 116, 116, 0.15);
  --border-light: rgba(0, 116, 116, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(0, 116, 116, 0.1);
  
  --shadow-sm: 0 2px 8px rgba(0, 116, 116, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 116, 116, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 116, 116, 0.12);
  --shadow-gold: 0 0 20px rgba(0, 116, 116, 0.15);
  --shadow-violet: 0 0 25px rgba(0, 168, 168, 0.15);
  
  --header-bg: rgba(244, 251, 251, 0.85);
  --header-scrolled-bg: rgba(244, 251, 251, 0.95);
  --footer-bg: #e0f2f1;
  --countdown-bg: linear-gradient(145deg, #ffffff 0%, #f4fbfb 100%);
  --popular-pricing-bg: linear-gradient(145deg, #ffffff 0%, #f4fbfb 100%);
  
  --logo-span-color: var(--accent-gold);
  --badge-bg: rgba(0, 116, 116, 0.08);
  --badge-color: var(--accent-gold);
  --badge-border: rgba(0, 116, 116, 0.25);
  --tag-color: var(--accent-gold);
  --hero-badge-bg: rgba(0, 116, 116, 0.06);
  --hero-badge-border: rgba(0, 116, 116, 0.25);
  --hero-badge-color: var(--accent-gold);
  --hero-badge-span-bg: var(--accent-gold);
  --nav-hover-color: var(--accent-gold);
  --nav-hover-bg: rgba(0, 116, 116, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

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

/* 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(--accent-gold);
}

/* Typography & Layout Utilities */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

.serif-font {
  font-family: var(--font-serif);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.text-center { text-align: center; }
.text-gold { color: var(--accent-gold); }
.text-violet { color: var(--accent-violet); }
.text-gradient {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-violet-gradient {
  background: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border-light);
  transition: var(--transition-smooth);
}

header.scrolled {
  padding: 12px 0;
  background: var(--header-scrolled-bg);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

.logo-badge {
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--badge-bg);
  color: var(--badge-color);
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid var(--badge-border);
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 6px;
  display: inline-block;
  transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--nav-hover-color);
  background: var(--nav-hover-bg);
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-violet) 100%);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
  color: #fff;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-violet) 100%);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.btn-violet {
  background: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-violet-hover) 100%);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-violet:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-violet);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 180px 0 100px;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(223, 183, 92, 0.08) 0%, transparent 50%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--hero-badge-bg);
  border: 1px solid var(--hero-badge-border);
  padding: 6px 16px;
  border-radius: 30px;
  color: var(--hero-badge-color);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-badge span {
  width: 8px;
  height: 8px;
  background: var(--hero-badge-span-bg);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--hero-badge-span-bg);
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.15rem;
  margin-bottom: 32px;
  color: var(--text-secondary);
}

.hero-ctas {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--border-light);
  padding-top: 32px;
}

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

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.stat-num span {
  color: var(--accent-gold);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* Card & Glassmorphism styles */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(223, 183, 92, 0.3);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

/* Countdown Card */
.countdown-card {
  border: 1px solid var(--border-color);
  background: var(--countdown-bg);
  position: relative;
  overflow: hidden;
}

.countdown-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-violet));
}

.countdown-title {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.timer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.timer-box {
  background: var(--bg-tertiary);
  border-radius: 10px;
  padding: 16px 8px;
  text-align: center;
  border: 1px solid var(--border-light);
}

.timer-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1;
}

.timer-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

.countdown-info {
  border-top: 1px solid var(--border-light);
  padding-top: 20px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.info-row:last-child {
  margin-bottom: 0;
}

.info-label {
  color: var(--text-secondary);
}

.info-val {
  font-weight: 600;
  color: var(--text-primary);
}

/* AI Section */
.ai-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(99, 102, 241, 0.05) 50%, var(--bg-primary) 100%);
  position: relative;
}

.section-tag {
  color: var(--tag-color);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-desc {
  max-width: 600px;
  margin: 0 auto 60px;
  font-size: 1.05rem;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.ai-card {
  border-top: 3px solid var(--accent-violet);
}

.ai-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-violet);
}

.card-icon {
  font-size: 2.4rem;
  margin-bottom: 20px;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.ai-badge {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  padding: 4px 10px;
  font-size: 0.75rem;
  border-radius: 4px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 16px;
}

/* 9 Elements Grid */
.elements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.element-card {
  position: relative;
  overflow: hidden;
}

.element-num {
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  transition: var(--transition-smooth);
}

.element-card:hover .element-num {
  color: rgba(223, 183, 92, 0.08);
  transform: scale(1.1);
}

.element-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(0, 116, 116, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 1.8rem;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

/* Curriculum Section */
.curriculum-tabs-container {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn:hover, .tab-btn.active {
  background: var(--accent-gold);
  color: #ffffff;
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-gold);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeInUp 0.4s ease;
}

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

.syllabus-column {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 32px;
}

.column-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 16px;
}

.column-title {
  font-size: 1.3rem;
  font-weight: 700;
}

.syllabus-list {
  list-style: none;
}

.syllabus-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 14px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.syllabus-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--accent-gold);
}

/* Faculty Grid */
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.faculty-card {
  text-align: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 24px;
  transition: var(--transition-smooth);
}

.faculty-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-color);
  box-shadow: var(--shadow-md);
}

.faculty-avatar {
  width: 100%;
  height: 200px;
  border-radius: 12px;
  margin: 0 auto 20px;
  background: radial-gradient(circle, var(--accent-gold) 0%, var(--bg-tertiary) 100%);
  display: block;
  object-fit: cover;
  border: 2px solid var(--border-color);
}

.faculty-name {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.faculty-role {
  font-size: 0.8rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  font-weight: 600;
}

.faculty-edu {
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 10px;
  margin-bottom: 10px;
}

.faculty-exp {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Course Comparison */
.comparison-table-wrapper {
  overflow-x: auto;
  background: var(--bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--border-light);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 800px;
}

.comparison-table th, .comparison-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.02);
  font-weight: 700;
  color: var(--text-primary);
}

.comparison-table th:nth-child(3) {
  border-left: 2px solid var(--border-color);
  background: rgba(0, 116, 116, 0.06);
}

.comparison-table td:nth-child(3) {
  border-left: 2px solid var(--border-color);
  background: rgba(0, 116, 116, 0.03);
  font-weight: 500;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.feature-title {
  font-weight: 600;
  color: var(--text-primary);
}

.check-icon {
  color: var(--accent-gold);
  font-weight: bold;
}

.cross-icon {
  color: var(--text-muted);
}

/* Guarantee & Pricing */
.guarantee-box {
  background: radial-gradient(circle at top right, rgba(0, 116, 116, 0.1), transparent), var(--bg-secondary);
  border: 1.5px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  margin-top: 60px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.guarantee-badge {
  font-size: 4rem;
  color: var(--accent-gold);
  line-height: 1;
}

.guarantee-content h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 48px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border: 2px solid var(--accent-gold);
  background: var(--popular-pricing-bg);
  box-shadow: var(--shadow-gold);
}

.popular-badge {
  position: absolute;
  top: -14px;
  right: 32px;
  background: var(--accent-gold);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.price-title {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.price-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  min-height: 40px;
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.price-original {
  font-size: 1.1rem;
  text-decoration: line-through;
  color: var(--text-muted);
  margin-bottom: 32px;
  display: block;
}

.price-features {
  list-style: none;
  margin-bottom: 40px;
  flex-grow: 1;
}

.price-features li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.price-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-gold);
  font-weight: bold;
}

.pricing-card.popular .price-features li::before {
  color: var(--accent-gold);
}

/* FAQ Accordion */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  text-align: left;
  padding: 24px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent-gold);
  transition: var(--transition-smooth);
}

.faq-item.active {
  border-color: var(--border-color);
}

.faq-item.active .faq-question::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  background: rgba(255, 255, 255, 0.01);
}

.faq-answer-inner {
  padding: 0 24px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Contact / Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 480px;
  z-index: 2001;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.3s ease;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 10px rgba(0, 116, 116, 0.15);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23007474' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 40px;
}

/* Footer */
footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border-light);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.footer-logo-desc {
  font-size: 0.95rem;
  margin-top: 16px;
}

.footer-title {
  font-size: 1.1rem;
  margin-bottom: 24px;
  font-weight: 600;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Animations */
@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(223, 183, 92, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(223, 183, 92, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(223, 183, 92, 0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .elements-grid, .ai-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .faculty-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 32px;
  }
  .logo {
    font-size: 1.15rem;
  }
  .logo-badge {
    display: none;
  }
  .section-padding {
    padding: 60px 0;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-desc {
    font-size: 1rem;
    margin-bottom: 24px;
  }
  .hero-ctas {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-primary);
    flex-direction: column;
    padding: 40px;
    gap: 24px;
    transition: var(--transition-smooth);
    border-top: var(--border-light);
  }
  .nav-menu.active {
    left: 0;
  }
  .menu-toggle {
    display: block;
  }
  .elements-grid, .ai-grid, .faculty-grid, .pricing-cards {
    grid-template-columns: 1fr;
  }
  .syllabus-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .guarantee-box {
    flex-direction: column;
    text-align: center;
    padding: 30px 20px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.05rem;
  }
  .hero-title {
    font-size: 1.7rem;
  }
  .timer-grid {
    gap: 8px;
  }
  .timer-number {
    font-size: 1.6rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .btn {
    width: 100%;
    padding: 12px 20px;
    font-size: 0.95rem;
  }
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.scroll-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gold);
  border: 1px solid var(--border-color);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
  z-index: 999;
}

.scroll-top-btn:hover {
  background: var(--accent-gold-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-gold);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}