@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;800;900&display=swap');

:root {
    --bg-dark: #f8f9fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --primary: #00d4ff;
    --primary-glow: rgba(0, 212, 255, 0.15);
    --secondary: #7c3aed;
    --accent: #d97706;
    --accent-glow: rgba(251, 191, 36, 0.2);
    --text-light: #1e293b;
    --text-gray: #475569;
    --text-muted: #94a3b8;
    --success: #16a34a;
    --danger: #ef4444;
    --border: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 212, 255, 0.6);
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-gold: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-success: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--bg-dark);
    background-image: radial-gradient(circle at 50% 0%, #e2e8f0 0%, var(--bg-dark) 60%);
    color: var(--text-light);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

button, input, select, textarea {
    font-family: 'Cairo', sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== ANIMATIONS ==================== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
    50% { box-shadow: 0 0 40px var(--primary-glow), 0 0 60px var(--primary-glow); }
}

@keyframes slideDown {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ==================== HEADER SECTION ==================== */
.header {
    background: linear-gradient(180deg, #e2e8f0 0%, var(--bg-dark) 100%);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.header-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.header-content {
    text-align: right;
    animation: slideUp 0.8s ease-out;
}

.header-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-gold);
    color: #000;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 0.95rem;
    margin-bottom: 25px;
    box-shadow: 0 4px 20px var(--accent-glow);
    animation: pulse 2s ease-in-out infinite;
}

.header h1 {
    font-size: 3.2rem;
    font-weight: 900;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    text-shadow: 0 0 40px var(--primary-glow);
}

.header > .container > .header-wrapper > .header-content > p {
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: 30px;
    font-weight: 500;
    line-height: 1.8;
}

.header-features {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 35px;
}

.feature-badge {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--primary);
    padding: 12px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-badge:hover {
    background: rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--primary-glow);
}

/* Counter Badge */
.counter-badge {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 25px 30px;
    border-radius: 20px;
    display: inline-block;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.counter-badge > span {
    display: block;
    margin-bottom: 15px;
    color: var(--accent);
    font-weight: 700;
    font-size: 1rem;
}

.countdown {
    display: flex;
    gap: 12px;
    align-items: center;
    direction: ltr;
}

.time-unit {
    text-align: center;
    background: rgba(0, 212, 255, 0.1);
    padding: 12px 16px;
    border-radius: 12px;
    min-width: 65px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.time-unit span {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-light);
    line-height: 1;
}

.time-unit p {
    font-size: 0.75rem;
    color: var(--text-gray);
    margin: 5px 0 0 0;
}

.separator {
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 300;
    animation: pulse 1s ease-in-out infinite;
}

.viewers-count {
    margin-top: 25px;
    color: var(--text-gray);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 5px;
    justify-content: flex-end;
}

.viewers-count strong {
    color: var(--success);
    font-weight: 800;
    background: rgba(34, 197, 94, 0.15);
    padding: 3px 12px;
    border-radius: 20px;
}

/* Hero Video */
.hero-video-container {
    animation: slideDown 0.8s ease-out;
}

.hero-video-wrapper {
    border-radius: 24px;
    overflow: hidden;
    border: 2px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1), 0 0 40px var(--primary-glow);
    position: relative;
    background: #000;
    transition: all 0.4s ease;
    max-width: 350px;
    margin: 0 auto;
}

.hero-video-wrapper:hover {
    border-color: var(--primary);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15), 0 0 60px var(--primary-glow);
    transform: translateY(-5px);
}

.hero-video {
    width: 100%;
    display: block;
    aspect-ratio: 9/16;
    object-fit: cover;
}

/* ==================== GALLERY SECTION ==================== */
.gallery-section {
    padding: 100px 0;
    background: var(--bg-dark);
    position: relative;
}

.gallery-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 60px;
    color: var(--text-light);
    position: relative;
}

.gallery-section h2::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 20px auto 0;
    border-radius: 2px;
}

.gallery-container {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    background: var(--bg-card);
    padding: 35px;
    border-radius: 28px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* Main Image Display */
.main-image-wrapper {
    position: relative;
}

.image-frame,
#mainFrameContainer {
    background: linear-gradient(145deg, #f1f5f9 0%, #ffffff 100%);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    padding: 20px;
}

.image-frame:hover,
#mainFrameContainer:hover {
    border-color: var(--primary);
    box-shadow: 0 0 30px var(--primary-glow);
}

.main-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 12px;
    animation: fadeIn 0.4s ease;
}

#mainFrameContainer video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.image-counter {
    text-align: center;
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Thumbnails */
.thumbnails-gallery {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.thumbnails-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.thumbnail {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 14px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    object-fit: cover;
    background: var(--bg-dark);
    padding: 8px;
}

.thumbnail:hover {
    border-color: rgba(0, 212, 255, 0.5);
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.2);
}

.thumbnail.active {
    border-color: var(--primary);
    box-shadow: 0 0 25px var(--primary-glow);
}

.thumbnail-item {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 14px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    background: #f1f5f9;
}

.thumbnail-item:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

.thumbnail-item.active {
    border-color: var(--primary);
    box-shadow: 0 0 25px var(--primary-glow);
}

.thumbnail-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: var(--primary);
    text-shadow: 0 0 20px var(--primary-glow);
    animation: pulse 1.5s ease-in-out infinite;
}

/* Product Description Box */
.product-description-box {
    background: linear-gradient(145deg, var(--bg-card-hover) 0%, var(--bg-card) 100%);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid var(--border);
    border-right: 4px solid var(--primary);
}

.product-description-box h3 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 700;
}

.product-description-box p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.8;
}

.cable-specs-mini {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.spec-badge {
    background: var(--bg-dark);
    padding: 12px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    text-align: center;
    border: 1px solid var(--border);
    color: var(--text-light);
    font-weight: 600;
    transition: all 0.3s ease;
}

.spec-badge:hover {
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
}

/* ==================== TESTIMONIALS SECTION ==================== */
.testimonials-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #e2e8f0 100%);
}

.testimonials-section h2,
.faq-section h2,
.pricing-section h2,
.order-form-section h2,
.gallery-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 60px;
    color: var(--text-light);
}

.testimonials-section h2::after,
.faq-section h2::after,
.pricing-section h2::after,
.order-form-section h2::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 20px auto 0;
    border-radius: 2px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.testimonial-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 24px;
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.4s ease;
    overflow: hidden;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 5rem;
    color: var(--primary);
    opacity: 0.1;
    font-family: serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1), 0 0 30px var(--primary-glow);
}

.stars {
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.comment {
    color: var(--text-gray);
    font-style: italic;
    margin-bottom: 25px;
    font-size: 1rem;
    line-height: 1.7;
}

.customer-name {
    color: var(--text-light);
    font-weight: 700;
    text-align: left;
    font-size: 0.95rem;
}

/* ==================== FAQ SECTION ==================== */
.faq-section {
    padding: 100px 0;
    background: var(--bg-dark);
}

.faq-content {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    margin-bottom: 15px;
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-question {
    padding: 22px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.faq-question:hover {
    background: var(--bg-card-hover);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    background: rgba(0, 0, 0, 0.03);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 20px 25px;
    color: var(--text-gray);
    line-height: 1.8;
}

.toggle-icon {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .toggle-icon {
    transform: rotate(45deg);
}

/* ==================== PRICING SECTION ==================== */
.pricing-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #e2e8f0 0%, var(--bg-dark) 100%);
    position: relative;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
    position: relative;
    z-index: 1;
}

.pricing-card {
    background: var(--bg-card);
    border-radius: 28px;
    padding: 45px 30px;
    text-align: center;
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.4s ease;
}

.pricing-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
}

.pricing-card.featured {
    border-color: rgba(251, 191, 36, 0.3);
}

.pricing-card.most-popular {
    background: linear-gradient(145deg, #f1f5f9 0%, var(--bg-card) 100%);
    border: 2px solid var(--primary);
    transform: scale(1.08);
    z-index: 2;
    box-shadow: 0 0 50px var(--primary-glow);
}

.pricing-card.most-popular:hover {
    transform: scale(1.08) translateY(-15px);
}

.offer-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-gold);
    color: #000;
    padding: 10px 28px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 0.9rem;
    white-space: nowrap;
    box-shadow: 0 5px 20px var(--accent-glow);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin: 20px 0 25px;
    color: var(--text-light);
    font-weight: 700;
}

.discount-box {
    margin: 25px 0;
    padding: 25px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.discount-price {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--text-light);
    line-height: 1;
    display: block;
}

.currency {
    font-size: 1.3rem;
    color: var(--text-gray);
    display: block;
    margin-top: 5px;
}

.old-price {
    display: block;
    text-decoration: line-through;
    color: var(--text-muted);
    margin-top: 10px;
    font-size: 1rem;
}

.per-piece {
    margin-top: 10px;
    color: var(--success);
    font-weight: 700;
}

.benefits {
    margin: 30px 0;
    text-align: right;
}

.benefit-item {
    margin-bottom: 12px;
    color: var(--text-gray);
    font-size: 0.95rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.benefit-item:last-child {
    border-bottom: none;
}

.cta-btn {
    width: 100%;
    padding: 18px;
    border-radius: 14px;
    border: none;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-dark);
    color: var(--text-light);
    border: 2px solid var(--border);
}

.cta-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-light);
    transform: translateY(-3px);
}

.cta-btn.primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: 0 10px 30px var(--primary-glow);
}

.cta-btn.primary:hover {
    box-shadow: 0 15px 40px var(--primary-glow);
    transform: translateY(-5px);
}

/* ==================== ORDER FORM SECTION ==================== */
.order-form-section {
    padding: 100px 0;
    background: var(--bg-dark);
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 50px 45px;
    border-radius: 28px;
    border: 1px solid var(--border);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--text-light);
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 18px;
    background: var(--bg-dark);
    border: 2px solid var(--border);
    border-radius: 14px;
    color: var(--text-light);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
    background: rgba(0, 212, 255, 0.02);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.price-summary {
    background: linear-gradient(145deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 0, 0, 0.05) 100%);
    padding: 25px;
    border-radius: 18px;
    margin: 35px 0;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    color: var(--text-gray);
    padding: 8px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item.savings span:last-child {
    color: var(--success);
    font-weight: 800;
}

.highlight {
    color: var(--primary) !important;
    font-weight: 800;
    font-size: 1.3rem;
}

.free-shipping {
    color: var(--success) !important;
    font-weight: 600;
}

.saving-amount {
    color: var(--success) !important;
}

.submit-btn {
    width: 100%;
    padding: 20px;
    background: var(--gradient-success);
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 1.3rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(34, 197, 94, 0.3);
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(34, 197, 94, 0.4);
}

.submit-btn:active {
    transform: translateY(-2px);
}

.form-note {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 14px;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-note p {
    color: var(--success);
    font-size: 0.95rem;
    margin: 8px 0;
    font-weight: 600;
}

/* ==================== FOOTER ==================== */
.footer {
    background: #0f172a;
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h3 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.footer-section h4 {
    color: #ffffff;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-tagline {
    color: #94a3b8;
    margin-bottom: 25px;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: #ffffff;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
    background: var(--primary);
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--primary-glow);
}

.social-icon svg {
    width: 24px;
    height: 24px;
}

.contact-info {
    list-style: none;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    color: #94a3b8;
}

.contact-info a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-info a:hover {
    color: #ffffff;
}

.services-list {
    list-style: none;
}

.services-list li {
    padding: 12px 0;
    color: #94a3b8;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.services-list li:hover {
    color: var(--primary);
    padding-right: 10px;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    margin: 40px 0;
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: #64748b;
    margin: 10px 0;
    font-size: 0.9rem;
}

.footer-note {
    color: #64748b !important;
    font-size: 0.85rem !important;
}

/* ==================== FLOATING BUTTONS ==================== */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
    width: 35px;
    height: 35px;
    fill: white;
}

.back-to-top {
    position: fixed;
    bottom: 110px;
    left: 30px;
    width: 55px;
    height: 55px;
    background: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.back-to-top.show {
    display: flex;
}

.back-to-top:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--primary-glow);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    fill: var(--primary);
    transition: all 0.3s ease;
}

.back-to-top:hover svg {
    fill: #ffffff;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 1024px) {
    .pricing-cards {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }

    .pricing-card.most-popular {
        transform: scale(1);
    }

    .pricing-card.most-popular:hover {
        transform: translateY(-15px);
    }
}

@media (max-width: 768px) {
    .header {
        padding: 80px 0 60px;
    }

    .header-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .header-content {
        text-align: center;
        order: 1;
    }

    .hero-video-container {
        order: 0;
    }

    .header h1 {
        font-size: 2.2rem;
    }

    .header-features {
        justify-content: center;
    }

    .viewers-count {
        justify-content: center;
    }

    .gallery-container {
        grid-template-columns: 1fr;
        padding: 25px;
    }

    .thumbnails-wrapper {
        grid-template-columns: repeat(4, 1fr);
    }

    .testimonials-section h2,
    .faq-section h2,
    .pricing-section h2,
    .order-form-section h2,
    .gallery-section h2 {
        font-size: 2rem;
    }

    .form-wrapper {
        padding: 30px 25px;
    }

    .footer-content {
        gap: 40px;
    }

    .whatsapp-btn {
        width: 55px;
        height: 55px;
        bottom: 20px;
        left: 20px;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 85px;
        left: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .feature-badge {
        padding: 10px 14px;
        font-size: 0.8rem;
    }

    .countdown {
        gap: 8px;
    }

    .time-unit {
        min-width: 55px;
        padding: 10px 12px;
    }

    .time-unit span {
        font-size: 1.5rem;
    }

    .thumbnails-wrapper {
        grid-template-columns: repeat(3, 1fr);
    }

    .cable-specs-mini {
        grid-template-columns: 1fr;
    }

    .pricing-card {
        padding: 35px 25px;
    }

    .discount-price {
        font-size: 2.8rem;
    }
}
