/* ===== ROOT VARIABLES ===== */
:root {
    --primary-color: #007aff;
    --secondary-color: #5856d6;
    --accent-color: #ff9500;
    --success-color: #34c759;
    --warning-color: #ffcc00;
    --danger-color: #ff3b30;
    
    --gradient-primary: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
    --gradient-secondary: linear-gradient(135deg, #ff9500 0%, #ff6b6b 100%);
    --gradient-dark: linear-gradient(135deg, #1c1c1e 0%, #2c2c2e 100%);
    
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.2);
    
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1c1c1e;
    overflow-x: hidden;
}

/* ===== UTILITY CLASSES ===== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

.floating-animation {
    animation: floating 6s ease-in-out infinite;
}

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

/* ===== NAVIGATION ===== */
.glass-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: #1c1c1e !important;
    transition: var(--transition);
    position: relative;
}

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

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

.cart-badge {
    font-size: 0.7rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.05;
    z-index: 1;
}

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

.hero-title {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-weight: 400;
    line-height: 1.7;
}

.hero-price .price-current {
    color: var(--primary-color);
}

.hero-actions .btn {
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

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

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

.phone-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    transform: translate(-50%, -50%);
    animation: glow 4s ease-in-out infinite alternate;
}

@keyframes glow {
    from { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    to { opacity: 0.6; transform: translate(-50%, -50%) scale(1.1); }
}

.floating-phone {
    animation: floating 6s ease-in-out infinite;
    filter: drop-shadow(0 20px 40px rgba(0, 122, 255, 0.3));
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-element {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    animation: floatRandom 10s linear infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 3s;
}

.floating-element:nth-child(3) {
    top: 80%;
    left: 20%;
    animation-delay: 6s;
}

@keyframes floatRandom {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-30px) rotate(90deg); }
    50% { transform: translateY(-60px) rotate(180deg); }
    75% { transform: translateY(-30px) rotate(270deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #666;
    z-index: 2;
}

.scroll-text {
    font-size: 0.9rem;
    margin-bottom: 10px;
    font-weight: 500;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--primary-color);
    margin: 0 auto;
    position: relative;
    animation: scrollArrow 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
}

@keyframes scrollArrow {
    0%, 20% { opacity: 0; transform: translateY(-10px); }
    50% { opacity: 1; transform: translateY(0); }
    80%, 100% { opacity: 0; transform: translateY(10px); }
}

/* ===== SECTIONS ===== */
.section-title {
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-weight: 400;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== FEATURE CARDS ===== */
.feature-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

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

.feature-card:hover::before {
    transform: scaleX(1);
}

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

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-weight: 700;
    color: #1c1c1e;
}

.feature-desc {
    font-weight: 400;
    line-height: 1.7;
}

/* ===== PRODUCT CARDS ===== */
.product-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid #f0f0f0;
    position: relative;
}

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

.product-image-container {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    transition: var(--transition);
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient-secondary);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-info {
    padding: 1.5rem;
}

.product-name {
    font-weight: 700;
    color: #1c1c1e;
    margin-bottom: 0.5rem;
}

.product-desc {
    font-size: 0.9rem;
    line-height: 1.6;
}

.product-price .price-current {
    color: var(--primary-color);
    font-weight: 700;
}

.product-actions .btn {
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition);
}

.add-to-cart:hover {
    transform: scale(1.02);
}

/* ===== RAFFLE SECTION ===== */
.raffle-section {
    background: var(--gradient-dark);
    color: white;
    overflow: hidden;
}

.raffle-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="25" cy="75" r="1" fill="%23ffffff" opacity="0.03"/><circle cx="75" cy="25" r="1" fill="%23ffffff" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.raffle-badge {
    display: inline-block;
    background: var(--warning-color);
    color: #1c1c1e;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.9rem;
}

.raffle-title {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.raffle-stats .stat-number {
    font-weight: 800;
}

.raffle-stats .stat-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.raffle-phone {
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.3));
}

/* ===== NEWSLETTER SECTION ===== */
.newsletter-section {
    background: var(--gradient-dark);
}

.newsletter-form .form-control {
    border: none;
    border-radius: 50px 0 0 50px;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
}

.newsletter-form .btn {
    border-radius: 0 50px 50px 0;
    padding: 1rem 2rem;
    font-weight: 600;
}

/* ===== FOOTER ===== */
.footer-section {
    background: #1c1c1e !important;
}

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

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    transition: var(--transition);
}

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

.payment-methods i {
    color: #666;
    transition: var(--transition);
}

.payment-methods i:hover {
    color: var(--primary-color);
}

/* ===== FLOATING ACTION BUTTON ===== */
.floating-actions {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.fab-container {
    position: relative;
}

.fab-main {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.fab-main:hover {
    transform: scale(1.1) rotate(45deg);
}

.fab-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.fab-container:hover .fab-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fab-option {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.fab-option:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .floating-actions {
        bottom: 20px;
        right: 20px;
    }
    
    .fab-main {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .fab-option {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: 1.5rem 1rem;
    }
    
    .product-info {
        padding: 1rem;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.8s ease-out;
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}