/* VahanBooking Website CSS - Modern Bold Design */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f5576c;
    --dark-color: #0f2027;
    --light-color: #f8f9fa;
    
    --heading-font: 'Syne', sans-serif;
    --body-font: 'Space Grotesk', sans-serif;
    
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: var(--body-font);
    font-size: 16px;
    line-height: 1.7;
    color: #2d3748;
    background: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    padding: 1.5rem 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--heading-font);
    font-weight: 800;
    font-size: 28px;
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.brand-icon {
    font-size: 36px;
    line-height: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.brand-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav .nav-link {
    font-weight: 600;
    font-size: 15px;
    color: #4a5568;
    padding: 0.5rem 1.2rem;
    margin: 0 0.2rem;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

.navbar-nav .nav-link.active {
    color: var(--primary-color);
    font-weight: 700;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
}

.btn-primary-gradient {
    background: var(--primary-gradient);
    color: #fff;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    border: none;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.btn-primary-gradient:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
    color: #fff;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    font-weight: 500;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.btn-hero-primary {
    background: #fff;
    color: var(--primary-color);
    padding: 18px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 18px;
    border: none;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.btn-hero-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    color: var(--primary-color);
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 18px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 18px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: #fff;
    transform: translateY(-4px);
    color: #fff;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 42px;
    font-weight: 800;
    color: #fff;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease-out;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
}

/* Floating shapes */
.floating-shape {
    position: absolute;
    opacity: 0.1;
    animation: floatShape 20s infinite ease-in-out;
}

.shape-1 {
    top: 10%;
    left: 5%;
    width: 100px;
    height: 100px;
    background: #fff;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation-delay: 0s;
}

.shape-2 {
    top: 60%;
    right: 10%;
    width: 150px;
    height: 150px;
    background: #fff;
    border-radius: 63% 37% 54% 46% / 55% 48% 52% 45%;
    animation-delay: 2s;
}

.shape-3 {
    bottom: 15%;
    left: 15%;
    width: 80px;
    height: 80px;
    background: #fff;
    border-radius: 41% 59% 41% 59% / 41% 59% 41% 59%;
    animation-delay: 4s;
}

@keyframes floatShape {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) rotate(120deg);
    }
    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

/* ============================================
   SECTION STYLING
   ============================================ */

.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 20px;
    text-align: center;
    color: #718096;
    margin-bottom: 4rem;
    font-weight: 500;
}

/* ============================================
   FEATURE CARDS
   ============================================ */

.feature-card {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    border: 2px solid transparent;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-desc {
    font-size: 16px;
    color: #718096;
    line-height: 1.8;
}

/* ============================================
   HOW IT WORKS
   ============================================ */

.step-card {
    position: relative;
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    position: relative;
    z-index: 2;
}

.step-connector {
    position: absolute;
    top: 40px;
    left: 50%;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    z-index: 1;
}

.step-card:last-child .step-connector {
    display: none;
}

.step-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step-desc {
    color: #718096;
    font-size: 15px;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: var(--dark-gradient);
    color: #fff;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-title {
    font-size: 52px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.5rem;
}

.cta-desc {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 0;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--heading-font);
    font-weight: 800;
    font-size: 28px;
}

.footer-brand .brand-text {
    color: #fff;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-gradient);
    transform: translateY(-5px);
    color: #fff;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 15px;
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: #fff;
    transform: translateX(5px);
}

.app-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.app-button {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: #fff;
    text-decoration: none;
    transition: var(--transition);
}

.app-button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
    color: #fff;
}

.app-button i {
    font-size: 32px;
}

.app-button small {
    display: block;
    font-size: 12px;
    opacity: 0.8;
}

.app-button strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
}

.footer-bottom {
    margin-top: 60px;
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* ============================================
   SCROLL TO TOP
   ============================================ */

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

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

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 992px) {
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .cta-title {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }
}