:root {
    --primary-dark: #003366;
    --primary-medium: #336699;
    --primary-light: #e8f4f8;
    --accent-green: #4CAF50;
    --accent-yellow: #FFEB3B;
    --accent-purple: #6366f1;
    --accent-orange: #f59e0b;
    --neutral-light: #F5F5F5;
    --white: #FFFFFF;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --border-color: #e1e5e9;
    --shadow-light: 0 2px 10px rgba(0, 51, 102, 0.08);
    --shadow-medium: 0 8px 32px rgba(0, 51, 102, 0.12);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hero Section - Mobile First */
.hero-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 100%);
    color: var(--white);
    padding: 2rem 0;
    position: relative;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 235, 59, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 0 1rem;
}

.hero-badge {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--accent-yellow);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--white) 0%, var(--accent-yellow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

.btn-hero {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 25px;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    width: 100%;
    max-width: 280px;
    position: relative;
    overflow: hidden;
}

.btn-hero-primary {
    background: var(--accent-yellow);
    color: var(--primary-dark);
    box-shadow: 0 4px 15px rgba(255, 235, 59, 0.3);
}

.btn-hero-primary:hover {
    background: #f4d03f;
    color: var(--primary-dark);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 235, 59, 0.4);
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
}

/* Highlights Banner - Mobile Optimized */
.highlights-banner {
    background: var(--primary-dark);
    padding: 0.75rem 0;
    overflow: hidden;
    position: relative;
}

.highlights-scroll {
    display: flex;
    animation: scroll 25s linear infinite;
    gap: 2rem;
    white-space: nowrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
}

.highlight-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 1rem;
    flex-shrink: 0;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Stats Section - Compact Mobile */
.stats-section {
    padding: 1.5rem 0;
    background: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 0 1rem;
}

.stat-card {
    background: var(--white);
    padding: 1.25rem 1rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-orange));
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-medium);
    display: block;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Student Benefits - Mobile Compact */
.benefits-section {
    padding: 2rem 0;
    background: linear-gradient(135deg, var(--neutral-light) 0%, #f8fafc 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 1rem;
}

.benefit-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.benefit-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-purple) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(25px, -25px);
    opacity: 0.1;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.benefit-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.benefit-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.benefit-card:nth-child(1) .benefit-icon {
    background: linear-gradient(135deg, var(--accent-purple) 0%, #8b5cf6 100%);
}

.benefit-card:nth-child(2) .benefit-icon {
    background: linear-gradient(135deg, var(--accent-green) 0%, #10b981 100%);
}

.benefit-card:nth-child(3) .benefit-icon {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #f97316 100%);
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-dark);
    margin: 0;
}

.benefit-text {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.9rem;
}

/* Features Section - Mobile Grid */
.features-section {
    padding: 2rem 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0 1rem;
}

.feature-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:nth-child(1)::before { background: var(--primary-medium); }
.feature-card:nth-child(2)::before { background: var(--accent-purple); }
.feature-card:nth-child(3)::before { background: var(--accent-orange); }
.feature-card:nth-child(4)::before { background: var(--accent-green); }
.feature-card:nth-child(5)::before { background: #e11d48; }
.feature-card:nth-child(6)::before { background: #0891b2; }

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.feature-card:nth-child(1) .feature-icon {
    background: linear-gradient(135deg, var(--primary-medium) 0%, var(--primary-dark) 100%);
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, var(--accent-purple) 0%, #5b21b6 100%);
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #ea580c 100%);
}

.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, var(--accent-green) 0%, #16a34a 100%);
}

.feature-card:nth-child(5) .feature-icon {
    background: linear-gradient(135deg, #e11d48 0%, #be123c 100%);
}

.feature-card:nth-child(6) .feature-icon {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
}

.feature-title {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-dark);
    margin: 0;
}

.feature-text {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.9rem;
    margin-top: 0.75rem;
}

/* Vision Mission - Mobile Stack */
.vision-mission-section {
    padding: 2rem 0;
    background: var(--neutral-light);
}

.vm-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 1rem;
}

.vm-card {
    background: var(--white);
    padding: 2rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
}

.vm-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.vm-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
    color: var(--white);
}

.vm-card:nth-child(1) .vm-icon {
    background: linear-gradient(135deg, var(--primary-medium) 0%, var(--primary-dark) 100%);
}

.vm-card:nth-child(2) .vm-icon {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #ea580c 100%);
}

.vm-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.vm-text {
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Colleges Banner - Mobile Compact */
.colleges-banner {
    padding: 2rem 0;
    background: linear-gradient(135deg, var(--primary-light) 0%, #e0f2fe 100%);
}

.colleges-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 0 1rem;
}

.college-card {
    background: var(--white);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.college-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.college-logo {
    width: 40px;
    height: 40px;
    background: var(--primary-medium);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    color: var(--white);
    font-size: 1rem;
    font-weight: bold;
}

.college-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.25rem;
}

.college-location {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* CTA Section - Mobile */
.cta-section {
    padding: 2.5rem 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-title {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.cta-text {
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
    position: relative;
    z-index: 2;
    padding: 0 1rem;
}

/* Section Headers - Mobile */
.section-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 0 1rem;
}

.section-title {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-orange));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Desktop Styles */
@media (min-width: 769px) {
    .hero-section {
        padding: 4rem 0;
        min-height: 80vh;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        max-width: 600px;
    }
    
    .hero-buttons {
        flex-direction: row;
        gap: 1.5rem;
    }
    
    .btn-hero {
        width: auto;
        min-width: 180px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .vm-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
    
    .colleges-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .cta-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .colleges-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

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

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Touch improvements for mobile */
@media (max-width: 768px) {
    .btn-hero,
    .feature-card,
    .benefit-card,
    .college-card {
        -webkit-tap-highlight-color: transparent;
    }
    
    body {
        -webkit-text-size-adjust: none;
    }
}