:root {
    --bg-dark: #030712;
    --bg-card: rgba(15, 23, 42, 0.85);
    --bg-card-hover: rgba(30, 41, 59, 0.9);
    --accent-cyan: #06b6d4;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --accent-red: #ef4444;
    --text-main: #f8fafc;
    --text-sub: #94a3b8;
    --border-glow: rgba(6, 182, 212, 0.3);
    --border-subtle: rgba(255, 255, 255, 0.1);
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: var(--font-sans); }
html { scroll-behavior: smooth; }
body { background: var(--bg-dark); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }

/* NAVIGATION */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(3, 7, 18, 0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-cyan);
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-link {
    color: var(--text-sub);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: color 0.2s;
}

.nav-link:hover { color: var(--accent-cyan); }

/* BUTTONS */
.btn {
    background: var(--accent-cyan);
    color: #000;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    border: 1px solid var(--border-subtle);
}

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

.btn-whatsapp:hover {
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
}

/* HERO SECTION */
.hero-section {
    padding: 140px 20px 80px;
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-sub);
    max-width: 850px;
    margin: 0 auto 35px;
    font-weight: 400;
}

.hero-cta-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-mockup-frame {
    width: 100%;
    max-width: 1150px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: 16px;
    border: 2px solid var(--border-glow);
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.2);
    overflow: hidden;
    position: relative;
}

.hero-mockup-header {
    background: rgba(15, 23, 42, 0.95);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-subtle);
}

.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.hero-mockup-img {
    width: 100%;
    display: block;
}

/* SECTION CONTAINER */
.section {
    padding: 90px 20px;
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
}

/* GRID CARDS */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.card {
    background: var(--bg-card);
    border-radius: 14px;
    border: 1px solid var(--border-subtle);
    padding: 30px;
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
}

.card-icon {
    width: 55px;
    height: 55px;
    border-radius: 12px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.card-desc {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.6;
}

/* MODULE DEEP DIVE */
.module-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 80px;
}

.module-row.reverse {
    direction: rtl;
}

.module-row.reverse > * {
    direction: ltr;
}

.module-img-card {
    background: var(--bg-card);
    border-radius: 14px;
    border: 1px solid var(--border-glow);
    overflow: hidden;
    box-shadow: 0 0 25px rgba(6, 182, 212, 0.15);
}

.module-img {
    width: 100%;
    display: block;
}

/* PRICING TABLE */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    padding: 40px;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.2);
}

.popular-tag {
    position: absolute;
    top: -14px;
    right: 30px;
    background: var(--accent-cyan);
    color: #000;
    font-weight: 700;
    font-size: 12px;
    padding: 4px 14px;
    border-radius: 12px;
}

.price-val {
    font-size: 42px;
    font-weight: 800;
    color: #fff;
    margin: 15px 0;
}

.price-list {
    list-style: none;
    margin: 25px 0 35px;
}

.price-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-sub);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}

.price-list li i { color: var(--accent-green); }

/* FOOTER */
footer {
    background: rgba(3, 7, 18, 0.95);
    border-top: 1px solid var(--border-subtle);
    padding: 40px 20px;
    text-align: center;
    color: var(--text-sub);
    font-size: 14px;
}