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

:root {
    /* Brazilian Color Palette */
    --primary-green: #00b894;
    --primary-yellow: #FFEB3B;
    --primary-blue: #0043B6;
    --accent-red: #FF4444;
    --accent-orange: #FF6B35;
    --accent-pink: #FF69B4;
    --primary-dark: #1a1a1a;
    --primary-white: #FFFFFF;
    --secondary-text: #666666;
    --light-gray: #f0f0f0;
    --danger-red: #E60000;
    
    /* Typography */
    --font-family: '-apple-system', 'BlinkMacSystemFont', 'Segoe UI', 'Helvetica Neue', sans-serif;
    --font-size-base: 16px;
    --font-size-large: 24px;
    --font-size-xl: 32px;
    --font-size-xxl: 40px;
    --font-size-title: 48px;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
    width: 100%;
    height: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--primary-dark);
    overflow-x: hidden;
    width: 100%;
    height: auto;
    -webkit-font-smoothing: antialiased;
    -webkit-touch-callout: none;
    user-select: none;
}

/* ==================== HERO SECTION ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--spacing-lg);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #00b894 0%, #FFD700 50%, #0043B6 100%);
    z-index: 1;
    animation: gradient-shift 8s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% {
        background: linear-gradient(135deg, #00b894 0%, #FFD700 50%, #0043B6 100%);
    }
    50% {
        background: linear-gradient(135deg, #00b894 0%, #FFD700 50%, #0043B6 100%);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

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

.logo-placeholder {
    margin-bottom: var(--spacing-lg);
}

.brand-logo {
    max-height: 80px;
    width: auto;
}

.main-title {
    font-size: var(--font-size-title);
    font-weight: 900;
    color: var(--primary-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.main-title .highlight {
    color: var(--primary-yellow);
    text-shadow: 2px 2px 4px rgba(0, 180, 148, 0.5);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.main-subtitle {
    font-size: var(--font-size-xl);
    color: var(--primary-white);
    margin-bottom: var(--spacing-lg);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.quantity-highlight {
    color: var(--primary-yellow);
    font-weight: bold;
}

/* ==================== COUNTDOWN SECTION ==================== */
.countdown-section {
    background: #FFFFFF;
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
}

.countdown-container {
    max-width: 700px;
    margin: 0 auto;
}

.countdown-label {
    font-size: var(--font-size-xl);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    font-weight: bold;
}

.countdown-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--primary-white);
    border: 3px solid var(--primary-green);
    border-radius: 12px;
    padding: var(--spacing-md) var(--spacing-lg);
    min-width: 80px;
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
    -webkit-user-select: none;
}

.countdown-value {
    font-size: var(--font-size-xxl);
    font-weight: 900;
    color: var(--primary-green);
    line-height: 1;
    animation: tick 1s ease-in-out;
}

@keyframes tick {
    0% {
        transform: scale(1.1);
    }
    50% {
        transform: scale(0.95);
    }
    100% {
        transform: scale(1);
    }
}

.countdown-unit {
    font-size: var(--font-size-sm);
    color: var(--secondary-text);
    margin-top: var(--spacing-xs);
    font-weight: bold;
    text-transform: uppercase;
}

.countdown-separator {
    font-size: var(--font-size-xxl);
    color: var(--primary-green);
    font-weight: bold;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 49%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

.countdown-status {
    font-size: var(--font-size-large);
    color: var(--primary-dark);
    font-weight: bold;
    min-height: 30px;
}

.countdown-status.expired {
    color: var(--primary-yellow);
}

/* ==================== PRODUCT SECTION - TECH DESIGN ==================== */
.product-section {
    background: #FFFFFF;
    padding: var(--spacing-xxl) var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.product-section::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -25%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 184, 148, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.product-section::after {
    content: "";
    position: absolute;
    bottom: -50%;
    left: -25%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 235, 59, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}

.product-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Product Image Wrapper with 3D Effect */
.product-image-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.phone-showcase {
    position: relative;
    width: 100%;
    max-width: 320px;
    perspective: 1000px;
}

.iphone-image {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(0, 184, 148, 0.3));
    animation: phoneFloat 3s ease-in-out infinite;
    transform-origin: center;
}

@keyframes phoneFloat {
    0%, 100% {
        transform: translateY(0px) rotateZ(-2deg);
    }
    50% {
        transform: translateY(-30px) rotateZ(2deg);
    }
}

.glow-effect {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(0, 184, 148, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    animation: glowPulse 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.4;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1.2);
    }
}

.pulse-badge {
    position: absolute;
    top: 30px;
    right: 20px;
    background: linear-gradient(135deg, #FFEB3B, #FFD700);
    color: #1a1a1a;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 25px;
    font-weight: bold;
    font-size: 12px;
    box-shadow: 0 8px 25px rgba(255, 235, 59, 0.6);
    animation: badgePulse 2s ease-in-out infinite;
    z-index: 10;
}

@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 25px rgba(255, 235, 59, 0.4);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 12px 35px rgba(255, 235, 59, 0.6);
    }
}

/* Tech Specs Cards */
.tech-specs-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    width: 100%;
}

.spec-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: var(--spacing-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-white);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.spec-card:hover {
    background: rgba(0, 184, 148, 0.1);
    border-color: rgba(0, 184, 148, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 184, 148, 0.2);
}

.spec-icon {
    font-size: 28px;
    display: block;
}

.spec-text {
    font-size: 12px;
    font-weight: 600;
}

/* Product Info Glass Morphism */
.product-info-glass {
    background: rgba(0, 184, 148, 0.05);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(0, 184, 148, 0.5);
    border-radius: 25px;
    padding: var(--spacing-xl);
    color: var(--primary-dark);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    animation: slideInRight 0.8s ease-out;
}

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

.product-header {
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid rgba(0, 184, 148, 0.3);
    padding-bottom: var(--spacing-lg);
}

.product-title {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-yellow), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-tagline {
    font-size: 16px;
    color: var(--secondary-text);
    font-weight: 500;
}

/* Specs Container */
.specs-container {
    margin-bottom: var(--spacing-lg);
}

.specs-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.spec-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(0, 184, 148, 0.08);
    border-left: 3px solid var(--primary-green);
    border-radius: 8px;
    transition: all var(--transition-fast);
    font-size: 15px;
    color: var(--primary-dark);
}

.spec-item:hover {
    background: rgba(0, 184, 148, 0.15);
    transform: translateX(5px);
}

.spec-check {
    color: var(--primary-green);
    font-weight: bold;
    font-size: 18px;
    flex-shrink: 0;
}

/* Price Tag Premium Style */
.price-tag {
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.3), rgba(255, 235, 59, 0.2));
    border-radius: 15px;
    padding: var(--spacing-lg);
    text-align: center;
    border: 1.5px solid rgba(0, 184, 148, 0.4);
}

.price-label {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price {
    display: block;
    font-size: 24px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: line-through;
    margin-bottom: var(--spacing-md);
}

.discount-label {
    display: block;
    font-size: 16px;
    font-weight: 900;
    color: var(--primary-yellow);
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: pulse 2s infinite;
}

/* ==================== REMAINING SECTION ==================== */
.remaining-section {
    background: linear-gradient(135deg, #fff8f8 0%, #ffe8e8 100%);
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
    border-top: 3px solid #FF4444;
    border-bottom: 3px solid #FF4444;
}

.remaining-container {
    max-width: 800px;
    margin: 0 auto;
    animation: slideUp 1s ease-out;
    padding: var(--spacing-lg);
    border-radius: 15px;
    background: rgba(255, 68, 68, 0.05);
    border: 2px solid rgba(255, 68, 68, 0.15);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.remaining-title {
    font-size: var(--font-size-xxl);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    font-weight: bold;
    text-shadow: none;
    letter-spacing: 1px;
}

.count-highlight {
    color: #FF4444;
    font-weight: 900;
    font-size: 1.4em;
    animation: urgencyPulse 0.8s ease-in-out infinite;
    display: inline-block;
    padding: 8px 16px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(255, 68, 68, 0.1), rgba(255, 235, 59, 0.1));
    box-shadow: 0 0 20px rgba(255, 68, 68, 0.4), inset 0 0 10px rgba(255, 68, 68, 0.2);
    text-shadow: 0 0 10px rgba(255, 68, 68, 0.6);
}

/* Loading state (when data-loading attribute is present) */
.count-highlight[data-loading="true"] {
    color: #999999;
    opacity: 0.6;
    animation: loadingPulse 1s ease-in-out infinite;
    text-shadow: none;
    box-shadow: 0 0 15px rgba(200, 200, 200, 0.3), inset 0 0 8px rgba(200, 200, 200, 0.2);
}

@keyframes loadingPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes urgencyPulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 20px rgba(255, 68, 68, 0.4), inset 0 0 10px rgba(255, 68, 68, 0.2);
    }
    50% {
        transform: scale(1.15);
        box-shadow: 0 0 40px rgba(255, 68, 68, 0.8), inset 0 0 15px rgba(255, 68, 68, 0.4);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 20px rgba(255, 68, 68, 0.4), inset 0 0 10px rgba(255, 68, 68, 0.2);
    }
}

.remaining-subtitle {
    font-size: var(--font-size-large);
    color: var(--primary-dark);
    margin-top: var(--spacing-md);
    font-weight: 600;
}

/* ==================== CTA SECTION ==================== */
.cta-section {
    background: #FFFFFF;
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
}

.cta-container {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-xxl);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    font-weight: bold;
}

.cta-description {
    font-size: var(--font-size-large);
    color: var(--secondary-text);
    margin-bottom: var(--spacing-lg);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-large);
    font-weight: bold;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.cta-button.primary-btn {
    background: linear-gradient(180deg, #1a1a1a 0%, #000000 100%);
    color: var(--primary-white);
    font-size: var(--font-size-base);
    padding: 10px 20px;
    min-height: 60px;
    border-radius: 14px;
    border: 1px solid #5f6368;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.cta-button.primary-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.cta-button.primary-btn:active {
    transform: translateY(-1px);
}

.cta-button.primary-btn:disabled {
    background: #cccccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Share Section Styles */
.share-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid rgba(0, 184, 148, 0.3);
}

.share-label {
    font-size: var(--font-size-sm);
    color: var(--secondary-text);
    margin-bottom: var(--spacing-md);
    font-weight: bold;
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 12px;
    font-size: var(--font-size-sm);
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--primary-white);
    min-height: 44px;
}

.share-btn.whatsapp {
    background: #25D366;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.share-btn.facebook {
    background: #1877F2;
    box-shadow: 0 4px 12px rgba(24, 119, 242, 0.3);
}

.share-btn.instagram {
    background: linear-gradient(135deg, #833AB4, #FD1D1D);
    box-shadow: 0 4px 12px rgba(253, 29, 29, 0.3);
}

.share-btn:active {
    transform: scale(0.95);
}

.btn-icon {
    font-size: 22px;
    line-height: 1;
    color: #ffffff;
}

.google-play-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-transform: none;
    letter-spacing: normal;
    line-height: 1.1;
}

.gp-small {
    font-size: 10px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.88);
}

.gp-big {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
}

.btn-arrow {
    display: inline-block;
    transition: transform var(--transition-normal);
}

.cta-button:hover .btn-arrow {
    transform: translateX(5px);
}

.cta-terms {
    font-size: var(--font-size-sm);
    color: var(--secondary-text);
    margin-top: var(--spacing-md);
}

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

.cta-terms a:hover {
    text-decoration: underline;
}

/* ==================== REVIEWS/WINNERS SECTION ==================== */
.reviews-section {
    background: #FFFFFF;
    padding: var(--spacing-xxl) var(--spacing-lg);
    position: relative;
}

.reviews-container {
    max-width: 1200px;
    margin: 0 auto;
}

.reviews-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.reviews-header h2 {
    font-size: var(--font-size-xxl);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    font-weight: 900;
}

.reviews-header p {
    font-size: 18px;
    color: var(--secondary-text);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

/* Review Card - Glass Morphism Premium */
.review-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal);
    border: 2px solid rgba(0, 184, 148, 0.25);
    display: flex;
    flex-direction: column;
    animation: slideUp 0.6s ease-out;
}

.review-card:hover {
    box-shadow: 0 20px 60px rgba(0, 184, 148, 0.2);
    transform: translateY(-10px);
    border-color: rgba(0, 184, 148, 0.3);
}

.review-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-bottom: 2px solid #f0f0f0;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid rgba(0, 184, 148, 0.3);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-info {
    flex: 1;
}

.user-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 0;
}

.user-info p {
    font-size: 12px;
    color: var(--secondary-text);
    margin: 0;
}

.verified-badge {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-yellow));
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: bold;
    white-space: nowrap;
}

.review-stars {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 16px;
    letter-spacing: 2px;
}

.review-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.review-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #e9ecef, #dee2e6);
    border-radius: 12px;
    object-fit: cover;
}

.review-text {
    color: var(--primary-dark);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    font-weight: 500;
}

.review-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: #f9f9f9;
    border-top: 1px solid #f0f0f0;
    font-size: 12px;
}

.review-date {
    color: var(--secondary-text);
}

.likes-count {
    color: var(--primary-green);
    font-weight: 600;
}

.reviews-footer {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(0, 184, 148, 0.08);
    border-radius: 20px;
    border: 2px solid rgba(0, 184, 148, 0.2);
}

.reviews-footer p {
    margin: var(--spacing-sm) 0;
    font-weight: 600;
    color: var(--primary-dark);
}

.reviews-trust {
    font-size: 14px;
    color: var(--secondary-text);
    font-weight: 400;
}

/* ==================== HOW IT WORKS ==================== */
.how-it-works {
    background: #FFFFFF;
    padding: var(--spacing-xxl) var(--spacing-lg);
}

.how-container {
    max-width: 1000px;
    margin: 0 auto;
}

.how-container > h2 {
    font-size: var(--font-size-xxl);
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-weight: bold;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.step {
    background: var(--primary-white);
    border: 2px solid var(--primary-green);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 184, 148, 0.2);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00b894, #00d4a3);
    color: var(--primary-white);
    border-radius: 50%;
    font-size: var(--font-size-xl);
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.step h3 {
    font-size: var(--font-size-large);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.step p {
    color: var(--secondary-text);
    font-size: var(--font-size-sm);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--primary-dark);
    color: var(--primary-white);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    border-top: 3px solid var(--primary-green);
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
}

.footer-text {
    font-size: var(--font-size-sm);
    color: #cccccc;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: #999999;
    margin-top: var(--spacing-lg);
}

/* ==================== MOBILE-FIRST RESPONSIVE DESIGN ==================== */
@media (max-width: 640px) {
    :root {
        --font-size-title: 36px;
        --font-size-xxl: 28px;
        --font-size-xl: 24px;
        --font-size-large: 18px;
        --spacing-lg: 16px;
        --spacing-xl: 24px;
        --spacing-xxl: 32px;
    }

    html {
        font-size: 14px;
        width: 100%;
    }

    body {
        width: 100%;
    }

    .hero {
        padding: 60px 0 var(--spacing-xl) 0;
        min-height: auto;
    }

    .main-title {
        font-size: var(--font-size-title);
        margin-bottom: var(--spacing-sm);
    }

    .main-subtitle {
        font-size: var(--font-size-large);
        margin-bottom: var(--spacing-lg);
    }

    .countdown-section {
        padding: var(--spacing-xl) 0;
    }

    .countdown-container {
        padding: 0 var(--spacing-lg);
    }

    .countdown-display {
        gap: var(--spacing-xs);
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .countdown-item {
        min-width: 65px;
        padding: var(--spacing-sm);
        flex-shrink: 0;
    }

    .countdown-value {
        font-size: var(--font-size-xxl);
    }

    .product-section {
        padding: var(--spacing-xxl) 0;
    }

    .product-container {
        padding: 0 var(--spacing-lg);
    }

    .countdown-separator {
        font-size: var(--font-size-xl);
        padding: 0 var(--spacing-xs);
    }

    .product-container {
        grid-template-columns: 1fr;
    }

    .product-image-wrapper {
        max-width: 100%;
    }

    .iphone-image {
        max-width: 100%;
        max-height: 400px;
    }

    .tech-specs-cards {
        grid-template-columns: 1fr;
    }

    .product-info-glass {
        padding: var(--spacing-lg);
    }

    .product-title {
        font-size: 24px;
    }

    .remaining-title {
        font-size: var(--font-size-xxl);
    }

    .cta-button {
        width: 100%;
        min-height: 50px;
        font-size: var(--font-size-large);
    }

    .share-buttons {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .share-btn {
        width: 100%;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .product-container {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .product-container {
        grid-template-columns: 1fr 1fr;
    }

    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .reviews-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==================== SAFE AREA FOR NOTCH/ROUNDED CORNERS ==================== */
@supports (padding: max(0px)) {
    body {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* Touch optimizations */
@media (hover: none) and (pointer: coarse) {
    .cta-button,
    .share-btn,
    button,
    a {
        min-height: 48px;
        min-width: 48px;
    }
}

/* Landscape mode */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-md);
    }

    .main-title {
        font-size: 32px;
        margin-bottom: var(--spacing-sm);
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: subpixel-antialiased;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-title: 32px;
        --font-size-xxl: 24px;
        --font-size-xl: 20px;
        --spacing-xl: 32px;
    }

    .main-title {
        font-size: var(--font-size-title);
    }

    .main-subtitle {
        font-size: var(--font-size-large);
    }

    .countdown-label {
        font-size: var(--font-size-large);
    }

    .countdown-item {
        min-width: 60px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .countdown-value {
        font-size: var(--font-size-xl);
    }

    .countdown-unit {
        font-size: 10px;
    }

    .countdown-separator {
        font-size: var(--font-size-large);
    }

    .remaining-title {
        font-size: var(--font-size-xl);
    }

    .cta-button {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .product-image {
        margin-bottom: var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-sm);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}