/* ==========================================================================
   Smile Digital - Modern Glassmorphism Styling System (Restructured)
   ========================================================================== */

:root {
  /* Branding Colors */
  --primary-blue: #1A56DB;
  --primary-blue-hover: #1e40af;
  --accent-orange: #FF6B00;
  --accent-orange-hover: #e05e00;
  --accent-yellow: #FFD500;
  --accent-yellow-light: #fffbeb;
  
  /* Neutral Palette */
  --bg-base: #FAFAF9;
  --bg-card: rgba(255, 255, 255, 0.65);
  --bg-card-hover: rgba(255, 255, 255, 0.85);
  --border-glass: rgba(255, 255, 255, 0.5);
  --border-glass-darker: rgba(26, 86, 219, 0.15);
  --text-main: #27272A;
  --text-muted: #52525B;
  --text-white: #FFFFFF;
  
  /* Glassmorphism Specs */
  --glass-shadow: 0 12px 40px -8px rgba(26, 86, 219, 0.06), 0 4px 12px -2px rgba(0, 0, 0, 0.02);
  --glass-shadow-hover: 0 20px 48px -6px rgba(26, 86, 219, 0.12), 0 8px 16px -2px rgba(0, 0, 0, 0.04);
  --glass-blur: 20px;
  
  /* Fonts & Transitions */
  --font-family: 'Outfit', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Base Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); background-color: var(--bg-base); color: var(--text-main); line-height: 1.6; overflow-x: hidden; position: relative; }
a { text-decoration: none; transition: var(--transition-smooth); }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Glass Base Class */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
}

/* Ambient Background Glows */
.ambient-glow { position: absolute; width: 600px; height: 600px; border-radius: 50%; pointer-events: none; z-index: -1; filter: blur(140px); opacity: 0.7; }
.glow-1 { top: -100px; left: -200px; background: radial-gradient(circle, rgba(26, 86, 219, 0.22) 0%, rgba(26, 86, 219, 0) 70%); }
.glow-2 { top: 400px; right: -250px; background: radial-gradient(circle, rgba(255, 107, 0, 0.12) 0%, rgba(255, 107, 0, 0) 70%); }
.glow-3 { bottom: 200px; left: -200px; background: radial-gradient(circle, rgba(255, 213, 0, 0.1) 0%, rgba(255, 213, 0, 0) 70%); }

/* Background Logo Watermark (Mosaic) */
.bg-logo-watermark {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('DATA%20BASE/LOGOS/hhhhh.png');
    background-size: 200px auto;
    background-repeat: repeat;
    background-position: center;
    opacity: 0.02; /* Extremely subtle */
    filter: grayscale(100%);
    z-index: -2;
    pointer-events: none;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    margin: 20px auto !important;
    width: 100%;
    max-width: 1100px;
    border-radius: 50px;
    z-index: 1000;
    position: sticky;
    top: 20px;
}
.logo-area { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 38px; height: 38px; }
.logo-img { height: 42px; border-radius: 8px; object-fit: contain; }
.logo-text { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; color: var(--text-main); }
.logo-accent { color: var(--primary-blue); }
.nav-links { display: flex; gap: 20px; }
.nav-links a { color: var(--text-muted); font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--primary-blue); }
.btn-nav-wa {
    background: var(--primary-blue);
    color: white;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(26, 86, 219, 0.3);
}
.btn-nav-wa:hover { background: var(--primary-blue-hover); transform: translateY(-2px); }

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1100px;
    margin: 50px auto 30px auto !important;
    padding: 0 20px;
    flex-wrap: wrap;
    gap: 40px;
}
.hero-content { flex: 1; min-width: 320px; }
.hero-title { font-size: 3.5em; font-weight: 800; line-height: 1.1; margin-bottom: 20px; letter-spacing: -1.5px; color: var(--text-main); }
.hero-title span { color: var(--primary-blue); }
.benefits-list { list-style: none; margin-bottom: 30px; }
.benefits-list li { font-size: 14px; font-weight: 700; color: var(--text-muted); margin-bottom: 12px; display: flex; align-items: center; }
.benefits-list span { margin-right: 12px; font-size: 1.3em; }

.btn-wa-main, .btn-product {
    background: white;
    color: #10B981; /* WhatsApp Greenish vibe */
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.15);
    border: 2px solid #10B981;
    cursor: pointer;
}
.btn-wa-main:hover, .btn-product:hover { background: #10B981; color: white; transform: translateY(-3px); box-shadow: 0 12px 28px rgba(16, 185, 129, 0.3); }
.whatsapp-icon { width: 22px; height: 22px; }

/* Hero Visual (Reusing previous Mockup) */
.hero-visual { flex: 1; min-width: 320px; display: flex; justify-content: center; perspective: 1000px; }
.device-mockup { width: 100%; max-width: 400px; background: rgba(255, 255, 255, 0.4); backdrop-filter: blur(20px); border: 1px solid var(--border-glass); border-radius: 24px; box-shadow: 0 30px 60px -15px rgba(26, 86, 219, 0.12); padding: 16px; position: relative; overflow: hidden; transform: rotateY(-6deg) rotateX(4deg); transition: var(--transition-smooth); }
.device-mockup:hover { transform: rotateY(0deg) rotateX(0deg) translateY(-5px); }
.mockup-header { display: flex; align-items: center; gap: 6px; margin-bottom: 18px; border-bottom: 1px solid rgba(0,0,0,0.06); padding-bottom: 10px; }
.mockup-dot { width: 8px; height: 8px; border-radius: 50%; }
.mockup-dot.red { background-color: #EF4444; }
.mockup-dot.yellow { background-color: #F59E0B; }
.mockup-dot.green { background-color: #10B981; }
.mockup-search-bar { flex-grow: 1; background: rgba(255, 255, 255, 0.6); border-radius: 6px; font-size: 10px; padding: 3px 8px; color: var(--text-muted); text-align: center; font-family: monospace; margin-left: 8px; }
.mockup-body { display: flex; flex-direction: column; gap: 16px; }
.mockup-title { font-size: 16px; font-weight: 800; }
.mockup-apps-grid { display: flex; flex-direction: column; gap: 12px; }
.mockup-app-card { display: flex; align-items: center; justify-content: space-between; background: var(--bg-card); border: 1px solid var(--border-glass); padding: 12px 16px; border-radius: 14px; transition: var(--transition-smooth); }
.app-info { display: flex; align-items: center; gap: 12px; }
.app-logo-bg { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 800; color: white; font-size: 14px; }
.canva-blue { background: linear-gradient(135deg, #00C4CC, #7d2ae8); }
.capcut-black { background: linear-gradient(135deg, #0f0f0f, #333333); }
.ai-green { background: linear-gradient(135deg, #10B981, #059669); }
.streaming-red { background: linear-gradient(135deg, #E50914, #B81D24); }
.app-name { font-size: 13px; font-weight: 700; line-height: 1.2; }
.app-desc { font-size: 11px; color: var(--text-muted); }
.badge { font-size: 10px; font-weight: 700; padding: 4px 8px; border-radius: 6px; }
.badge-active { background: rgba(16, 185, 129, 0.1); color: #059669; border: 1px solid rgba(16, 185, 129, 0.15); }
.badge-pending { background: rgba(26, 86, 219, 0.1); color: var(--primary-blue); border: 1px solid rgba(26, 86, 219, 0.15); }
.mockup-footer-badge { display: flex; align-items: center; gap: 8px; background: rgba(26, 86, 219, 0.05); border-radius: 10px; padding: 10px; font-size: 11px; font-weight: 600; color: var(--primary-blue); }

@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-6px); } 100% { transform: translateY(0px); } }
.float-card-1 { animation: float 6s ease-in-out infinite; }
.float-card-2 { animation: float 6s ease-in-out infinite 1.5s; }
.float-card-3 { animation: float 6s ease-in-out infinite 3s; }
.float-card-4 { animation: float 6s ease-in-out infinite 4.5s; }

/* BCV Banner */
.bcv-banner {
    max-width: 900px;
    margin: 40px auto !important;
    padding: 20px;
    border-radius: 50px;
    text-align: center;
}
.bcv-title { font-size: 15px; font-weight: 700; color: var(--text-main); display: flex; align-items: center; justify-content: center; gap: 10px; }
.trust-badges { display: flex; justify-content: center; gap: 20px; margin-top: 10px; flex-wrap: wrap; }
.trust-badge-text { font-size: 13px; font-weight: 800; color: var(--text-muted); background: rgba(0,0,0,0.05); padding: 5px 12px; border-radius: 8px; }

/* Section Titles */
.section-title { text-align: center; width: 100%; display: block; font-size: 2.8em; font-weight: 800; margin: 80px auto 40px auto; color: var(--text-main); letter-spacing: -1px; }
.section-title span { color: var(--primary-blue); }

/* Product Showcases */
.product-showcase {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1050px;
    margin: 40px auto !important;
    padding: 50px;
    gap: 40px;
    transition: var(--transition-smooth);
}
.product-showcase:hover { transform: translateY(-5px); box-shadow: var(--glass-shadow-hover); border-color: rgba(26, 86, 219, 0.2); }

/* Product Badges */
.urgency-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ff0055, #ff5e62);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 800;
    box-shadow: 0 5px 15px rgba(255, 0, 85, 0.4);
    z-index: 10;
    animation: pulse-danger 2s infinite;
}

.guarantee-seal {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    padding: 6px 15px;
    border-radius: 50px;
    font-size: 0.85em;
    font-weight: 700;
    margin-top: 15px;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

@keyframes pulse-danger {
    0% { transform: translateX(-50%) scale(1); box-shadow: 0 5px 15px rgba(255, 0, 85, 0.4); }
    50% { transform: translateX(-50%) scale(1.05); box-shadow: 0 5px 25px rgba(255, 0, 85, 0.6); }
    100% { transform: translateX(-50%) scale(1); box-shadow: 0 5px 15px rgba(255, 0, 85, 0.4); }
}

.product-layout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    flex-wrap: wrap;
    width: 100%;
}
.product-layout.reverse { flex-direction: row-reverse; }

.product-text { flex: 1; min-width: 300px; }
.product-text h2 { font-size: 2.5em; margin-bottom: 15px; color: var(--text-main); letter-spacing: -1px; }
.product-text p { font-size: 16px; color: var(--text-muted); margin-bottom: 25px; }
.product-text ul { list-style: none; margin-bottom: 30px; }
.product-text li { margin-bottom: 12px; font-size: 15px; display: flex; align-items: center; color: var(--text-main); font-weight: 500; }
.product-text li::before { content: "✓"; color: var(--primary-blue); font-weight: 800; margin-right: 12px; font-size: 1.2em; }

.product-image { flex: 1; min-width: 300px; text-align: center; }
.image-placeholder { 
    width: 100%; 
    height: 300px; 
    border-radius: 20px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    box-shadow: 0 15px 35px rgba(0,0,0,0.1); 
    transition: transform 0.5s ease;
}
.image-placeholder:hover { transform: scale(1.03) translateY(-5px); }
.placeholder-text { font-weight: 800; color: white; letter-spacing: 2px; font-size: 18px; text-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.canva-bg { background: linear-gradient(135deg, #00C4CC, #7d2ae8); }
.capcut-bg { background: linear-gradient(135deg, #333, #000); }
.ai-bg { background: linear-gradient(135deg, #10B981, #059669); }
.netflix-bg { background: linear-gradient(135deg, #E50914, #900); }

/* Immersive Logos */
.immersive-logo-container {
    width: 100%;
    min-height: 260px; /* Allow height to flex but maintain minimum */
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    perspective: 1000px;
    margin: 0 auto;
}

.immersive-logo {
    width: 100%;
    height: auto;
    max-width: 380px; /* Much larger to accommodate wide logos */
    max-height: 260px;
    object-fit: contain;
    /* Soft 3D drop-shadow to make the transparent logo pop */
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.15)) drop-shadow(0 5px 10px rgba(26, 86, 219, 0.15));
    animation: float-3d 6s ease-in-out infinite;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.4s ease;
    transform-style: preserve-3d;
}

.immersive-logo:hover {
    transform: scale(1.08) translateY(-10px);
    filter: drop-shadow(0 30px 40px rgba(0,0,0,0.25)) drop-shadow(0 10px 15px rgba(26, 86, 219, 0.2));
}

@keyframes float-3d {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Compact Pricing Battle inside Product Showcase */
.compact-pricing-battle {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    justify-content: center; /* Ensures items center if they don't fill the row */
    gap: 24px;
    width: 100%;
    margin-top: 10px;
    border-top: 1px solid rgba(0,0,0,0.06);
    padding-top: 35px;
}
.compact-pricing-battle.single-pricing {
    grid-template-columns: minmax(200px, 350px);
    justify-content: center;
}
.compact-pricing-card {
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 28px 24px;
    text-align: center;
    position: relative;
    transition: var(--transition-smooth);
}
.compact-pricing-card:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.06);
}
.popular-ribbon-sm {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-blue);
    color: var(--text-white);
    font-size: 10px;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: 9999px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.2);
}
.btn-compact {
    padding: 14px 20px;
    font-size: 14px;
    width: 100%;
    margin-top: 20px;
}

/* Pricing Battle (Preserved from original) */
.pricing-section { padding: 40px 0; }
.pricing-battle-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px; max-width: 900px; margin: 0 auto; align-items: center; }
.pricing-card { background: var(--bg-card); backdrop-filter: blur(var(--glass-blur)); border: 1px solid var(--border-glass); border-radius: 24px; padding: 44px 36px; box-shadow: var(--glass-shadow); transition: var(--transition-smooth); position: relative; }
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--glass-shadow-hover); }
.card-popular { border: 2px solid var(--primary-blue); background: rgba(255, 255, 255, 0.85); box-shadow: 0 20px 50px -10px rgba(26, 86, 219, 0.15); }
.popular-ribbon { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background-color: var(--primary-blue); color: var(--text-white); font-size: 11px; font-weight: 800; padding: 6px 20px; border-radius: 9999px; box-shadow: 0 4px 12px rgba(26, 86, 219, 0.3); }
.plan-name { font-size: 22px; font-weight: 800; color: var(--text-main); margin-bottom: 4px; }
.plan-subtitle { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.plan-price { display: flex; align-items: baseline; justify-content: center; margin-bottom: 12px; }
.price-currency { font-size: 24px; font-weight: 700; }
.price-amount { font-size: 54px; font-weight: 800; line-height: 1; letter-spacing: -2px; }
.price-period { font-size: 14px; font-weight: 600; color: var(--text-muted); margin-left: 6px; }
.pricing-divider { height: 1px; background: rgba(0,0,0,0.06); margin: 24px 0; }
.pricing-benefits { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; }
.pricing-benefits li { font-size: 14px; font-weight: 500; display: flex; align-items: flex-start; gap: 10px; }
.check-icon { color: #10B981; font-weight: 800; font-size: 16px; }
.check-icon.yellow { color: #F59E0B; }
.highlight-benefit { color: var(--primary-blue); font-weight: 700; }
.btn-pricing-cta { width: 100%; padding: 18px 24px; border-radius: 12px; font-size: 15px; font-weight: 700; text-align: center; display: inline-block; cursor: pointer; border: none; }
.btn-secondary { background-color: var(--primary-blue); color: white; }
.btn-secondary:hover { background-color: var(--primary-blue-hover); transform: translateY(-3px); }
.btn-accent { background-color: var(--accent-yellow); color: #1e1b4b; }
.btn-accent:hover { background-color: #f5c400; transform: translateY(-3px); }
@keyframes button-pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 213, 0, 0.4); } 70% { box-shadow: 0 0 0 10px rgba(255, 213, 0, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 213, 0, 0); } }
.animated-pulse { animation: button-pulse 2s infinite; }

/* Bank Card Mockup */
.bank-card-glass { background: linear-gradient(135deg, rgba(26, 86, 219, 0.8) 0%, rgba(30, 64, 175, 0.95) 100%); backdrop-filter: blur(8px); border-radius: 16px; padding: 20px; color: var(--text-white); box-shadow: 0 10px 24px rgba(26, 86, 219, 0.25); position: relative; overflow: hidden; }
.bank-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.bank-card-chip { width: 32px; height: 24px; background: linear-gradient(135deg, #ffd700, #b8860b); border-radius: 4px; }
.bank-name { font-size: 11px; font-weight: 800; letter-spacing: 0.5px; }
.bank-card-body { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.bank-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.info-label { font-size: 8px; font-weight: 700; color: rgba(255, 255, 255, 0.6); text-transform: uppercase; display: block; }
.info-value { font-size: 14px; font-weight: 700; letter-spacing: 0.5px; }
.text-glow { font-size: 18px; font-weight: 800; color: var(--accent-yellow); text-shadow: 0 0 8px rgba(255, 255, 255, 0.5); }
.bank-card-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 12px; }
.card-holder { font-size: 10px; font-weight: 600; color: rgba(255, 255, 255, 0.8); }
.verified-stamp { font-size: 8px; font-weight: 800; background: rgba(255, 255, 255, 0.15); padding: 3px 6px; border-radius: 4px; }

/* Other Services Grid */
.other-services { text-align: center; margin: 80px auto; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); justify-content: center; justify-items: center; gap: 24px; padding: 0 20px; }
.service-card { padding: 30px 20px; text-align: center; width: 100%; transition: var(--transition-smooth); }
.service-card:hover { transform: translateY(-10px); border-color: var(--primary-blue); box-shadow: var(--glass-shadow-hover); }
.service-icon { font-size: 3em; margin-bottom: 10px; transition: transform 0.3s; }
.service-card:hover .service-icon { transform: scale(1.1) rotate(5deg); }
.service-card h3 { font-size: 18px; margin-bottom: 8px; color: var(--text-main); }
.service-card p { font-size: 14px; color: var(--text-muted); }

/* Reviews Section */
.reviews-section { text-align: center; margin: 80px auto; }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); justify-content: center; justify-items: center; gap: 30px; }
.review-placeholder { height: 200px; display: flex; align-items: center; justify-content: center; font-weight: 800; color: var(--text-muted); letter-spacing: 1px; }

/* Footer */
.footer { background-color: #0f172a; color: #94a3b8; padding: 64px 0 32px 0; font-size: 13.5px; border-top: 1px solid rgba(255,255,255,0.05); margin-top: 60px; }
.footer-container { display: flex; flex-direction: column; gap: 40px; }
.footer-logo-text { font-size: 20px; font-weight: 800; color: white; display: inline-block; margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; flex-direction: column; gap: 16px; }
.footer-disclaimer { font-size: 11px; color: #64748b; }

/* Floating Elements (From Example) */
.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: -400px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--border-glass);
    padding: 15px 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(26, 86, 219, 0.15);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 2000;
    max-width: 320px;
    transition: left 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}
.purchase-notification.show { left: 30px; }
.notification-avatar { background: var(--primary-blue); color: white; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3em; box-shadow: 0 4px 10px rgba(26, 86, 219, 0.3); }
.notification-text { font-size: 0.85em; color: var(--text-main); line-height: 1.3; }

.wa-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #10B981;
    color: white;
    border-radius: 50px;
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
    z-index: 1000;
}
.wa-float:hover { transform: translateY(-5px); box-shadow: 0 12px 25px rgba(16, 185, 129, 0.4); color: white; }

#back-to-top {
    position: fixed;
    bottom: 100px; 
    right: 35px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    color: var(--primary-blue);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    cursor: pointer;
    border: 1px solid var(--border-glass);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    z-index: 999;
    opacity: 0; 
    visibility: hidden;
    transition: var(--transition-smooth);
}
#back-to-top.show { opacity: 1; visibility: visible; }
#back-to-top:hover { background: var(--primary-blue); color: white; transform: translateY(-5px); }

/* Responsive adjustments */
@media (max-width: 900px) {
    .pricing-battle-grid { grid-template-columns: 1fr; max-width: 400px; }
}

@media (max-width: 768px) {
    /* Navbar optimization */
    .navbar { flex-direction: column; gap: 12px; padding: 15px; border-radius: 25px; margin: 15px auto !important; width: 92%; }
    .logo-text { font-size: 1.2em; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 12px; font-size: 13px; }
    .btn-nav-wa { padding: 8px 16px; font-size: 13px; width: 100%; text-align: center; }
    
    /* Typography & Spacing */
    .hero { margin: 20px auto !important; padding: 0 15px; flex-direction: column; text-align: center; }
    .hero-title { font-size: 2.2em; line-height: 1.15; margin-bottom: 20px; }
    .section-title { font-size: 1.8em !important; margin: 50px auto 25px auto !important; line-height: 1.2; padding: 0 15px; }
    
    .benefits-list { display: flex; flex-direction: column; align-items: center; }
    .benefits-list li { justify-content: center; font-size: 13.5px; text-align: center; flex-direction: column; gap: 5px; margin-bottom: 15px; }
    
    /* Device Mockup sizing */
    .device-mockup { padding: 15px; border-radius: 15px; }
    .mockup-app-card { padding: 12px; flex-wrap: wrap; justify-content: center; text-align: center; gap: 10px; }
    .app-info { flex-direction: column; align-items: center; }
    .badge { position: relative; right: auto; margin-top: 5px; }
    
    /* Products Showcase */
    .product-showcase { padding: 30px 15px; gap: 25px; border-radius: 25px; width: 92%; }
    .product-layout, .product-layout.reverse { flex-direction: column; text-align: center; gap: 20px; }
    .product-text h2 { font-size: 1.6em; }
    .product-text ul { display: flex; flex-direction: column; align-items: center; }
    .product-text ul li { justify-content: center; text-align: center; font-size: 14px; padding-left: 0; }
    .product-text ul li::before { position: relative; left: auto; margin-right: 5px; }
    
    .product-image img { max-width: 75% !important; margin: 0 auto; }
    .urgency-badge { font-size: 0.75em; padding: 6px 12px; top: -10px; }
    .guarantee-seal { font-size: 0.75em; padding: 8px 12px; flex-direction: column; text-align: center; line-height: 1.2; margin-top: 10px; }
    
    /* Pricing Cards */
    .compact-pricing-battle { grid-template-columns: 1fr; gap: 20px; padding-top: 10px; width: 100%; }
    .compact-pricing-card { padding: 25px 20px; }
    .plan-name { font-size: 1.1em; }
    .plan-price .price-amount { font-size: 2.2em; }
    
    /* Banner */
    .bcv-banner { width: 92%; padding: 20px 15px; border-radius: 25px; }
    .bcv-title { font-size: 1.2em; line-height: 1.3; }
    .trust-badges { gap: 8px; justify-content: center; flex-wrap: wrap; }
    .trust-badge-text { font-size: 10px; padding: 5px 10px; }

    /* Footer */
    .footer { padding: 40px 20px 30px 20px; text-align: center; }

    /* Floating elements */
    .purchase-notification { bottom: 85px; left: -400px; max-width: calc(100% - 30px); width: calc(100% - 30px); padding: 12px 15px; }
    .purchase-notification.show { left: 15px; }
    .notification-avatar { width: 35px; height: 35px; font-size: 1.1em; }
    .notification-text { font-size: 0.75em; }
    
    .wa-float { bottom: 15px; right: 15px; padding: 12px 18px; font-size: 13px; }
    #back-to-top { bottom: 75px; right: 15px; width: 40px; height: 40px; }
}