@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;400;700;900&family=Outfit:wght@400;700;900&display=swap');

:root {
    --primary: #00F5D4;
    --secondary: #00A3FF;
    --dark: #020617;
    --dark-accent: #0f172a;
    --text-main: #FFFFFF;
    --text-dim: #94a3b8;
    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Public Sans', sans-serif;
    color: var(--text-main);
    background: #000;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Global Immersive Background */
.global-bg {
    position: fixed;
    inset: 0;
    background: url('bg.png') center/cover no-repeat;
    opacity: 0.6; /* Increased for more visibility */
    z-index: -1;
    filter: saturate(1.2) contrast(1.1); /* More vivid, less dim */
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* HERO: 3D OCEAN FLOOR - TOTAL VISIBILITY */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url('hero.png') center/cover no-repeat;
    overflow: hidden;
}

/* Bottom shadow ONLY to protect CTA */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.3) 40%, transparent 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1000px;
}

.hero h1 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(3.5rem, 12vw, 7.5rem);
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -4px;
    margin-bottom: 2.5rem;
    text-shadow: 0 10px 50px rgba(0,0,0,0.8);
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 15px rgba(0, 245, 212, 0.3));
}

.hero p {
    font-size: 1.4rem;
    max-width: 700px;
    margin: 0 auto 4rem;
    color: rgba(255,255,255,0.85);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* SECTION HEADS */
.section { padding: 5rem 0; position: relative; } /* Reduced from 10rem */
.section-title { text-align: center; margin-bottom: 3.5rem; } /* Reduced from 6rem */
.section-title h2 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 5vw, 3.2rem); /* Reduced from 4rem */
    font-weight: 900;
    color: var(--text-main);
}
.section-title span { color: var(--primary); }

/* CARDS: HIGH GLOSS SAMPLES */
.grid-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); /* Reduced from 380px */
    gap: 2rem;
}

.card {
    background: linear-gradient(145deg, rgba(30,41,59,0.85), rgba(15,23,42,0.95));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 3rem 2.5rem; /* Reduced from 5rem */
    border-radius: 35px; /* Reduced from 45px */
    transition: var(--transition);
    position: relative;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 30px 60px rgba(0, 245, 212, 0.1);
}

.card.pro {
    background: linear-gradient(145deg, rgba(0, 245, 212, 0.05), rgba(15,23,42,0.95));
    border: 2px solid var(--primary);
}

.card i { font-size: 2.5rem; margin-bottom: 1.5rem; display: block; } /* Reduced from 3.5rem */
.card h3 { font-family: 'Outfit', sans-serif; font-size: 1.6rem; margin-bottom: 1rem; }
.card .price { font-size: 3.5rem; font-weight: 900; margin: 1.5rem 0; color: #fff; font-family: 'Outfit', sans-serif; } /* Reduced from 5rem */

/* RIVER SECTION */
.river-showcase {
    background: var(--dark-accent);
    padding: 4rem 0; /* Reduced from 8rem */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); /* Reduced from 400px */
    gap: 3rem;
    align-items: center;
    border-radius: 40px; /* Reduced from 60px */
    overflow: hidden;
}

.river-img { width: 100%; border-radius: 20px; box-shadow: 0 30px 60px rgba(0,0,0,0.5); }

/* MODULE TILES */
.grid-modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); /* Reduced from 200px */
    gap: 1.5rem;
}

.module-tile {
    background: rgba(15,23,42,0.85);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 2rem 1.5rem; /* Reduced from 3rem */
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
}

.module-tile:hover {
    background: var(--primary);
    transform: scale(1.05);
}

.module-tile:hover * { color: #000; }
.module-tile .icon { font-size: 2.5rem; color: var(--primary); margin-bottom: 1.5rem; }
.module-tile h3 { font-size: 1rem; font-weight: 800; text-transform: uppercase; }

/* SYMBOLIC CTA */
.cta-box {
    background: radial-gradient(circle at top right, rgba(0, 245, 212, 0.15), #000);
    padding: 4rem 2rem; /* Reduced from 8rem */
    border-radius: 40px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
}

.btn {
    display: inline-block;
    padding: 1.4rem 4rem; /* Reduced from 1.8rem */
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #000;
    text-decoration: none;
    font-weight: 900;
    border-radius: 100px;
    font-size: 1.1rem; /* Reduced from 1.3rem */
    text-transform: uppercase;
    transition: var(--transition);
    box-shadow: 0 15px 40px rgba(0, 245, 212, 0.3);
}

.btn:hover { transform: translateY(-10px) scale(1.05); box-shadow: 0 30px 80px rgba(0, 245, 212, 0.6); }

/* WHATSAPP */
.whatsapp {
    position: fixed; bottom: 3rem; right: 3rem;
    background: #25D366; width: 80px; height: 80px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    z-index: 1000; box-shadow: 0 20px 50px rgba(37,211,102,0.4);
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faq-item {
    background: rgba(15,23,42,0.5);
    border-left: 4px solid var(--primary);
    padding: 2.5rem;
    border-radius: 0 20px 20px 0;
    transition: var(--transition);
}

.faq-item:hover {
    background: rgba(15,23,42,0.8);
    transform: translateX(10px);
}

.faq-item h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.faq-item p {
    color: var(--text-dim);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 4rem; }
    .card { padding: 3rem 2rem; }
    .faq-grid { grid-template-columns: 1fr; }
}