/* =====================================================
   StreamPremium - Global Styles
   Netflix-inspired IPTV Premium Service Website
   ===================================================== */

/* =====================================================
   CSS Variables & Root Configuration
   ===================================================== */
:root {
    --primary-color: #e50914;
    --primary-dark: #b20710;
    --primary-light: #ff1a24;
    --secondary-color: #221f1f;
    --dark-bg: #141414;
    --darker-bg: #0a0a0a;
    --light-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #808080;
    --border-color: #2a2a2a;
    --success-color: #46d369;
    --warning-color: #ffa500;
    --danger-color: #dc3545;
    --gradient-primary: linear-gradient(135deg, #e50914 0%, #ff6b6b 100%);
    --gradient-dark: linear-gradient(180deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.7);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* =====================================================
   Base Styles & Typography
   ===================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
}

/* =====================================================
   Navigation Bar
   ===================================================== */
.navbar {
    background: transparent;
    padding: 1rem 0;
    transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    transition: transform var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.brand-text {
    color: var(--text-primary);
}

.nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal), left var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
    left: 10%;
}

.btn-cta {
    background: var(--gradient-primary);
    border: none;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* =====================================================
   Hero Section
   ===================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #141414 0%, #1a1a1a 50%, #0a0a0a 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(229, 9, 20, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
    animation: heroGradientShift 20s ease infinite;
}

@keyframes heroGradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 2rem 0;
}

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

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.hero-cta .btn {
    min-width: 180px;
}

.hero-trust {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-secondary);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* =====================================================
   Animations
   ===================================================== */
.pulse-animation {
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

.slide-in-left {
    animation: slideInLeft 0.8s ease forwards;
    opacity: 0;
}

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

.animation-delay-1 { animation-delay: 0.2s; }
.animation-delay-2 { animation-delay: 0.4s; }
.animation-delay-3 { animation-delay: 0.6s; }
.animation-delay-4 { animation-delay: 0.8s; }

/* =====================================================
   Sections
   ===================================================== */
section {
    background-color: var(--dark-bg);
    position: relative;
}

section:nth-child(even) {
    background-color: var(--darker-bg);
}

.section-label {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

/* =====================================================
   Feature Cards
   ===================================================== */
.feature-card {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-md);
}

/* =====================================================
   Channels Section
   ===================================================== */
.channels-section {
    background: var(--darker-bg);
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.channel-badge {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    padding: 1rem;
    text-align: center;
    border-radius: 8px;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.channel-badge:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

/* =====================================================
   Pricing Cards
   ===================================================== */
.pricing-card {
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--light-bg) 0%, rgba(229, 9, 20, 0.1) 100%);
    transform: scale(1.05);
    z-index: 10;
}

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

.pricing-card.featured:hover {
    transform: translateY(-10px) scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: var(--shadow-md);
}

.pricing-header {
    margin-bottom: 1.5rem;
}

.pricing-price {
    margin: 2rem 0;
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.price-currency {
    font-size: 1.5rem;
    vertical-align: super;
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    text-align: left;
    flex-grow: 1;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* =====================================================
   CTA Section
   ===================================================== */
.cta-section {
    background: var(--gradient-primary);
    color: white;
}

/* =====================================================
   Devices Section
   ===================================================== */
.device-item {
    padding: 2rem 1rem;
    border-radius: 12px;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.device-item:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.device-item i {
    font-size: 3rem;
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.device-item:hover i {
    color: white;
}

/* =====================================================
   Testimonials
   ===================================================== */
.testimonial-card {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    transition: all var(--transition-normal);
}

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

.testimonial-rating i {
    color: #ffc107;
    font-size: 1rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.testimonial-author strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
}

.footer-brand i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.footer-title {
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.payment-icon {
    height: 30px;
    border-radius: 4px;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.payment-icon:hover {
    opacity: 1;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn-primary {
    background: var(--gradient-primary);
    border: none;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ff1a24 0%, #ff8787 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

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

.btn-outline-light {
    border: 2px solid white;
    color: white;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.btn-outline-light:hover {
    background: white;
    color: var(--dark-bg);
    transform: translateY(-2px);
}

/* =====================================================
   Utilities
   ===================================================== */
.text-muted {
    color: var(--text-muted) !important;
}

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

/* =====================================================
   Page-Specific Styles
   ===================================================== */
.page-header {
    background: var(--gradient-primary);
    padding: 6rem 0 3rem;
    margin-top: 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect fill="rgba(255,255,255,0.05)" width="50" height="50"/></svg>');
    opacity: 0.1;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 0;
    justify-content: center;
}

.breadcrumb-item a {
    color: rgba(255,255,255,0.8);
}

.breadcrumb-item.active {
    color: white;
}

.content-section {
    padding: 4rem 0;
}

.content-card {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.content-card h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.content-card h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

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

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
}

.feature-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--success-color);
}

/* =====================================================
   Accordion/FAQ Styles
   ===================================================== */
.accordion {
    --bs-accordion-bg: var(--light-bg);
    --bs-accordion-border-color: var(--border-color);
    --bs-accordion-btn-bg: var(--light-bg);
    --bs-accordion-active-bg: var(--light-bg);
    --bs-accordion-active-color: var(--text-primary);
}

.accordion-button {
    color: var(--text-primary);
    font-weight: 600;
}

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

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

.accordion-body {
    color: var(--text-secondary);
}

/* =====================================================
   Form Styles
   ===================================================== */
.form-control,
.form-select {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
}

.form-control:focus,
.form-select:focus {
    background: var(--light-bg);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(229, 9, 20, 0.25);
}

.form-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(20, 20, 20, 0.98);
        padding: 1rem;
        margin-top: 1rem;
        border-radius: 8px;
    }
    
    .hero-section {
        min-height: auto;
        padding: 8rem 0 4rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
    }
    
    .pricing-price {
        font-size: 2.5rem;
    }
    
    .channels-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .hero-cta .btn {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .device-item {
        padding: 1.5rem 0.5rem;
    }
}

/* =====================================================
   Loading States & Animations
   ===================================================== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* =====================================================
   Print Styles
   ===================================================== */
@media print {
    .navbar,
    .footer,
    .btn,
    .hero-cta,
    .scroll-indicator {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}