/* PRARAMBH Landing Page - Dhi Valley Inspired Design */

/* CSS Variables - Dhi Valley Color Palette */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

/* Navigation */
.navbar {
    background-color: var(--white) !important;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar-brand {
    font-family: 'Poppins', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color) !important;
    text-decoration: none;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-600) !important;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2000&q=80') center/cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(29, 78, 216, 0.9) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image-container {
    position: relative;
    z-index: 3;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.floating-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.icon-1 {
    top: 20%;
    left: -10%;
    animation-delay: 0s;
}

.icon-2 {
    top: 60%;
    right: -10%;
    animation-delay: 1s;
}

.icon-3 {
    bottom: 20%;
    left: 10%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-text {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Why Now Section */
.why-now-section {
    padding: 6rem 0;
    background-color: var(--gray-50);
}

.section-content {
    padding-right: 2rem;
}

.section-image img {
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background-color: var(--white);
}

.feature-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--white);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h5 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Program Objectives */
.program-objectives {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.program-objectives .section-title {
    color: var(--white);
}

.program-objectives .section-text {
    color: rgba(255, 255, 255, 0.9);
}

.objective-card {
    text-align: center;
    padding: 2rem 1rem;
}

.objective-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.objective-card h5 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
}

.objective-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Methodology Section */
.methodology-section {
    padding: 6rem 0;
    background-color: var(--white);
}

/* Timeline */
.timeline {
    position: relative;
    padding: 3rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--primary-light));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 15px;
    top: 0;
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid var(--white);
    box-shadow: var(--shadow-md);
    z-index: 2;
}

.timeline-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.timeline-content h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.timeline-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Innovation Tracks */
.innovation-tracks {
    padding: 6rem 0;
    background-color: var(--gray-50);
}

.track-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    height: 100%;
    transition: all 0.3s ease;
}

.track-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.track-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.track-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.track-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.track-card h5 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.track-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Partners Gain Section */
.partners-gain-section {
    padding: 6rem 0;
    background-color: var(--gray-50);
}

.benefit-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefit-list li {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.benefit-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Partners Section */
.partners-section {
    padding: 6rem 0;
    background-color: var(--white);
}

.partner-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 15px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    height: 100%;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.partner-card h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.partner-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Buttons */
.btn {
    border-radius: 10px;
    font-weight: 500;
    padding: 0.75rem 2rem;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Success Criteria Section */
.success-criteria-section {
    padding: 6rem 0;
    background-color: var(--white);
}

.metric-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: all 0.3s ease;
}

.metric-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.success-metric {
    text-align: center;
    padding: 1.5rem;
    transition: transform 0.3s ease;
}

.success-metric:hover {
    transform: translateY(-5px);
}

.success-metric:hover .metric-icon {
    transform: scale(1.1);
}

.success-metric h6 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.success-metric p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* FAQ Section */
.faq-section {
    padding: 6rem 0;
    background-color: var(--gray-50);
}

.accordion-item {
    border: 1px solid var(--gray-200);
    border-radius: 10px !important;
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-button {
    background: var(--white);
    border: none;
    font-weight: 500;
    color: var(--gray-900);
    padding: 1.5rem;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.accordion-body {
    background: var(--white);
    color: var(--gray-600);
    line-height: 1.6;
    padding: 1.5rem;
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
    background-color: var(--white);
}

.contact-info {
    text-align: center;
}

.contact-item {
    padding: 1rem 1rem;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.contact-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-item h6 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--gray-600);
    margin: 0;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.cta-section .section-title {
    color: var(--white);
}

.cta-section .section-text {
    color: rgba(255, 255, 255, 0.9);
}

.cta-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    height: 100%;
}

.cta-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.cta-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.cta-card h6 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.cta-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin: 0;
}

/* Footer */
.footer-section {
    background-color: var(--gray-900);
    color: var(--white);
    padding: 3rem 0 2rem;
}

.footer-section a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-marker {
        left: 5px;
        width: 25px;
        height: 25px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }
    
    .floating-icon {
        width: 50px;
        height: 50px;
    }
    
    .floating-icon i {
        font-size: 1.2rem;
    }
    
    .feature-card,
    .track-card,
    .partner-card {
        margin-bottom: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding-top: 100px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn-lg {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .feature-card,
    .track-card,
    .partner-card {
        padding: 2rem 1.5rem;
    }
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

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

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}