:root {
    --black: #000000;
    --dark-gray: #121212;
    --medium-gray: #1a1a1a;
    --text-white: #ffffff;
    --text-muted: #a0aec0;
    --green-up: #00d15a;
    --navy-up: #002b5b;
    --radius-lg: 16px;
    --shadow-up: 0 10px 30px rgba(0, 209, 90, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--black);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

section { padding: 100px 10%; }

/* Header Dark */
header {
    height: 90px;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo { font-size: 24px; font-weight: 800; }
.logo span { color: var(--green-up); }

.nav-links a { color: var(--text-white); margin: 0 15px; font-weight: 500; font-size: 14px; }
.nav-links a:hover { color: var(--green-up); }

.btn-login {
    background: var(--green-up);
    color: var(--black);
    padding: 10px 25px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 14px;
}

/* Hero Section */
.hero {
    padding: 180px 10% 100px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero h1 { font-size: 56px; line-height: 1.1; margin-bottom: 25px; font-weight: 800; }
.hero p { font-size: 18px; color: var(--text-muted); margin-bottom: 40px; max-width: 500px; }

.stats { display: flex; gap: 50px; margin-top: 50px; }
.stat-item h3 { font-size: 28px; color: var(--text-white); }
.stat-item p { font-size: 14px; color: var(--text-muted); }

/* Mockup Browser */
.mockup {
    background: var(--medium-gray);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #333;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

/* Cards de Seção */
.card-section {
    background: var(--dark-gray);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid #222;
}

.card-section h3 { margin-bottom: 20px; }

/* Planos */
.plans-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 50px;
}

.plan-card {
    background: var(--dark-gray);
    border-radius: 24px;
    padding: 60px 40px;
    border: 1px solid #222;
    transition: 0.3s;
}

.plan-card.featured {
    border-color: var(--green-up);
    box-shadow: var(--shadow-up);
    position: relative;
}

.plan-tag {
    background: var(--green-up);
    color: var(--black);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 800;
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.btn-plan {
    display: block;
    width: 100%;
    padding: 15px;
    background: var(--green-up);
    color: var(--black);
    text-align: center;
    border-radius: 40px;
    font-weight: 800;
    margin-top: 40px;
}

/* Utils */
.green { color: var(--green-up); }
.btn-whatsapp { background: var(--green-up); color: var(--black); padding: 15px 35px; border-radius: 30px; font-weight: 700; display: inline-flex; align-items: center; gap: 10px; }
.btn-outline { border: 1px solid #333; color: var(--text-white); padding: 15px 35px; border-radius: 30px; font-weight: 700; }