/* Custom CSS for VB Fiber Website */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gradient-primary: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    --gradient-hero: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #0891b2 100%);
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    scroll-behavior: smooth;
}

.btn {
    transition: all 0.3s ease;
    border-radius: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0b5ed7 0%, #0bb5d8 100%);
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    background: var(--gradient-hero);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.gradient-text {
    background: linear-gradient(135deg, #0dcaf0 0%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Smooth Scroll */
.smooth-scroll {
    scroll-behavior: smooth;
}

/* Speed Plans */
.plan-card {
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    height: 100%;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.plan-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
    position: relative;
}

.plan-card.popular::before {
    content: 'Most Popular';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    font-size: 2rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.plan-price small {
    font-size: 1.25rem;
    color: var(--secondary-color);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
}

.feature-list li i {
    color: var(--success-color);
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* OTT Apps */
.ott-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: 100%;
}

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

.ott-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.ott-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Features Section */
.bg-gradient-light {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.feature-card {
    padding: 2rem;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
    font-size: 2rem;
    transition: transform 0.3s ease;
}

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

/* Contact Section */
.contact-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.contact-form-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 0.5rem;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .plan-card.popular {
        transform: none;
        margin-top: 2rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Animation */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Success Message */
.alert-success {
    border-radius: 0.5rem;
    border: none;
    background: linear-gradient(135deg, #d1e7dd 0%, #a3d9a4 100%);
}

.offer-img{
    width: 100px;
    height: 100px;
}

@media(max-width: 600px) {
    .offer-img{
        width: 80px;
        height: 80px;
    }
}