:root {
    --primary: #1E5FBF;
    --primary-light: #4D8BFF;
    --secondary: #4DBDC9;
    --accent: #FF6B47;
    --accent-hover: #E85A3D;
    --bg-white: #FFFFFF;
    --bg-soft: #F8FBFF;
    --text-dark: #1A2332;
    --text-muted: #546274;
    --success: #2ECC71;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); color: var(--text-dark); background: var(--bg-white); overflow-x: hidden; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Announcement Bar */
.announcement-bar {
    background: linear-gradient(90deg, #1A2332 0%, #2D3748 100%);
    color: white;
    padding: 10px 0;
    overflow: hidden;
    position: sticky;
    top: 0;
    z-index: 1000;
}
.marquee-content { display: flex; animation: marquee 25s linear infinite; }
.marquee-content span { padding: 0 30px; font-weight: 600; font-size: 0.85rem; letter-spacing: 0.5px; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Header & Nav */
.top-header { background: var(--bg-soft); padding: 12px 0; border-bottom: 1px solid #edf2f7; text-align: center; }
.offer-badge { background: var(--accent); color: white; padding: 4px 12px; border-radius: 4px; font-weight: 800; font-size: 0.75rem; margin-right: 10px; }

.navbar { background: var(--glass); backdrop-filter: blur(10px); padding: 16px 0; position: sticky; top: 40px; z-index: 999; border-bottom: 1px solid rgba(0,0,0,0.05); }
.nav-flex { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 8px; font-family: var(--font-heading); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--text-dark); font-weight: 600; font-size: 0.9rem; transition: color 0.3s; }
.nav-links a:hover { color: var(--primary); }

/* Hero Section */
.hero { padding: 80px 0; background: radial-gradient(circle at top right, #f0f7fc 0%, #ffffff 50%); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
h1 { font-family: var(--font-heading); font-size: 3.5rem; line-height: 1.1; margin-bottom: 24px; color: var(--primary); letter-spacing: -1px; }
h2 { font-size: 1.25rem; font-weight: 400; color: var(--text-muted); margin-bottom: 40px; }

.check-list { list-style: none; margin-bottom: 40px; }
.check-list li { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-weight: 500; font-size: 1.1rem; }
.check-icon { color: var(--success); font-size: 1.2rem; }

.btn { display: inline-block; padding: 20px 40px; border-radius: 12px; font-weight: 800; font-size: 1.1rem; text-decoration: none; border: none; cursor: pointer; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); text-align: center; }
.btn-primary { background: var(--accent); color: white; box-shadow: 0 10px 25px rgba(255, 107, 71, 0.4); }
.btn-primary:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(255, 107, 71, 0.5); background: var(--accent-hover); }

.hero-gallery { position: relative; }
.main-image { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-lg); border: 8px solid white; }
.main-image img { width: 100%; display: block; }
.thumbnails { display: flex; gap: 12px; margin-top: 20px; }
.thumbnails img { width: 80px; height: 80px; border-radius: 12px; object-fit: cover; cursor: pointer; border: 2px solid transparent; transition: all 0.3s; }
.thumbnails img:hover, .thumbnails img.active { border-color: var(--primary); transform: translateY(-3px); }

/* Sections */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; max-width: 800px; margin-left: auto; margin-right: auto; }
.section-title { font-family: var(--font-heading); font-size: 2.5rem; color: var(--primary); margin-bottom: 16px; }
.section-subtitle { font-size: 1.2rem; color: var(--text-muted); }

/* Features Grid */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.feature-card { background: white; padding: 40px 24px; border-radius: 24px; text-align: center; box-shadow: var(--shadow-md); transition: transform 0.3s; }
.feature-card:hover { transform: translateY(-10px); }
.feature-icon { font-size: 2.5rem; margin-bottom: 20px; display: block; }
.feature-card h4 { font-family: var(--font-heading); margin-bottom: 12px; font-size: 1.1rem; }

/* Problem Section */
.problem-box { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; margin-bottom: 80px; }
.problem-img img { width: 100%; border-radius: 24px; box-shadow: var(--shadow-lg); }
.problem-content h3 { font-family: var(--font-heading); font-size: 2rem; color: var(--primary); margin-bottom: 20px; }

/* Review Widget */
.review-widget { background: var(--bg-soft); border-radius: 32px; padding: 60px; }
.rating-header { display: flex; align-items: center; gap: 40px; margin-bottom: 60px; }
.rating-big { font-size: 4rem; font-weight: 800; color: var(--primary); }
.stars-group { color: #FFD700; font-size: 1.5rem; }

.review-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.review-card { background: white; padding: 30px; border-radius: 20px; box-shadow: var(--shadow-sm); }
.review-author { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; }
.review-author img { width: 50px; height: 50px; border-radius: 50%; }

/* FAQ Accordion */
.faq-grid { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid #edf2f7; padding: 20px 0; cursor: pointer; }
.faq-question { display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: 1.1rem; }
.faq-answer { display: none; padding-top: 15px; color: var(--text-muted); }
.faq-item.active .faq-answer { display: block; }

/* Sticky Bottom Mobile */
.sticky-bottom { position: fixed; bottom: 0; left: 0; right: 0; background: var(--glass); backdrop-filter: blur(10px); padding: 12px 20px; box-shadow: 0 -5px 20px rgba(0,0,0,0.1); display: none; z-index: 999; }

/* Mobile Adaptations */
@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    .hero-grid, .problem-box, .features-grid, .review-grid { grid-template-columns: 1fr; }
    .hero { padding: 40px 0; }
    .nav-links { display: none; }
    .sticky-bottom { display: block; }
}