:root {
    /* Color Palette - Premium Dark + Green */
    --bg-main: #0a0a0b;
    --bg-card: rgba(20, 20, 22, 0.7);
    --primary: #2d6a4f;
    --primary-light: #52b788;
    --primary-glow: rgba(82, 183, 136, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a5;
    --accent-red: #ff4d4d;
    --border: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.03);
    
    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    /* Effects */
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 12px 24px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Layout Utility --- */
section { padding: 80px 0; }
.text-center { text-align: center; }
.flex { display: flex; align-items: center; gap: 20px; }
.grid { display: grid; gap: 30px; }

/* --- Announcement Bar --- */
.announcement-bar {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    color: white;
    text-align: center;
    padding: 8px 0;
    font-size: 14px;
    font-weight: 600;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 36px;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 15px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border);
    top: 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: white;
    font-size: 22px;
    font-weight: 800;
}

.logo-img { height: 40px; border-radius: 8px; }

.nav-cta {
    background: var(--primary-light);
    color: var(--bg-main);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    padding-top: 180px;
    padding-bottom: 100px;
    background: radial-gradient(circle at top right, rgba(45, 106, 79, 0.15), transparent 40%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 50px;
}

.hero-headline {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 60%, var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subheadline {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.badge {
    background: var(--glass-bg);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 30px;
    font-size: 13px;
    color: var(--text-secondary);
}

.hero-pricing {
    margin-bottom: 35px;
}

.price-row {
    display: flex;
    align-items: baseline;
    gap: 15px;
}

.current-price { font-size: 48px; font-weight: 800; color: var(--primary-light); }
.original-price { font-size: 24px; text-decoration: line-through; color: var(--text-secondary); }
.discount-tag { background: var(--accent-red); color: white; padding: 4px 10px; border-radius: 4px; font-weight: 700; font-size: 14px; margin-left: 10px; }

.hero-image-container { position: relative; }
.hero-image { width: 100%; border-radius: var(--radius-lg); box-shadow: 0 0 50px var(--primary-glow); }

.stock-urgency { color: var(--accent-red); font-weight: 700; font-size: 14px; margin-bottom: 20px; display: block; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 30px;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-xl { font-size: 18px; width: 100%; margin-bottom: 12px; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 10px 20px rgba(45, 106, 79, 0.3);
}

.btn-whatsapp { background: #25D366; color: white; }

.btn:hover { transform: translateY(-3px); opacity: 0.9; }

/* --- Problem/Solution --- */
.problem-solution { background: #000; }
.ps-grid { grid-template-columns: 1fr 1fr; }
.ps-card { background: var(--glass-bg); padding: 40px; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.ps-card h3 { margin-bottom: 20px; font-size: 24px; }
.ps-list { list-style: none; }
.ps-list li { margin-bottom: 15px; display: flex; gap: 12px; }

/* --- Benefits --- */
.benefits-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.benefit-card { background: var(--bg-card); padding: 30px; border-radius: var(--radius-md); border: 1px solid var(--border); text-align: center; }
.benefit-icon { font-size: 40px; margin-bottom: 20px; display: block; }

/* --- Video --- */
.video-section { text-align: center; }
.video-container { max-width: 900px; margin: 40px auto 0; border-radius: var(--radius-lg); overflow: hidden; border: 2px solid var(--primary-light); }
.video-container video { width: 100%; display: block; }

/* --- Reviews --- */
.reviews-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.review-card { background: var(--glass-bg); padding: 30px; border-radius: var(--radius-md); border: 1px solid var(--border); }
.review-stars { color: #fcc419; margin-bottom: 15px; display: block; }

/* --- FAQ --- */
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border-radius: var(--radius-sm); margin-bottom: 15px; overflow: hidden; }
.faq-question { width: 100%; padding: 20px; background: none; border: none; color: white; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; text-align: left; }
.faq-answer { padding: 0 20px 20px; color: var(--text-secondary); display: none; }

/* --- Footer --- */
.footer { border-top: 1px solid var(--border); padding: 60px 0 100px; background: #000; }
.footer-grid { grid-template-columns: 2fr 1fr 1fr; }
.footer-links a { display: block; color: var(--text-secondary); text-decoration: none; margin-bottom: 12px; font-size: 14px; }
.footer-links h4 { margin-bottom: 20px; color: white; }

/* --- Sticky Bar --- */
.sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    display: none;
    z-index: 998;
    border-top: 1px solid var(--border);
}

.whatsapp-float {
    position: fixed;
    bottom: 90px;
    right: 20px;
    z-index: 999;
}

/* --- Mobile Fixes --- */
@media (max-width: 768px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 30px; }
    .hero-headline { font-size: 42px; }
    .hero-badges { justify-content: center; }
    .price-row { justify-content: center; }
    .ps-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 140px; }
    .sticky-bar { display: block; }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.float-anim { animation: float 4s ease-in-out infinite; }