/* Variáveis de Cores */
:root {
    --primary: #0071e3;
    --dark: #1d1d1f;
    --light: #f5f5f7;
    --white: #ffffff;
    --gray: #86868b;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--white);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 20px 0;
    text-align: center;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #f0f0f0;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
}

/* Hero Section */
.hero {
    padding: 60px 0;
    text-align: center;
    background: linear-gradient(180deg, #fff 0%, #f5f5f7 100%);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.product-image {
    max-width: 400px;
    width: 100%;
    margin-bottom: 40px;
    border-radius: 20px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-image:hover {
    transform: scale(1.03);
}

/* Botão Principal (CTA) */
.cta-button {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 18px 40px;
    border-radius: 30px;
    font-weight: 700;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0,113,227,0.3);
}

.cta-button:hover {
    background: #0077ed;
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0,113,227,0.4);
}

/* Features */
.features {
    padding: 80px 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 20px;
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    margin-bottom: 10px;
    font-size: 1.4rem;
}

.feature-card p {
    color: var(--gray);
    font-size: 1rem;
}

/* Seção Escura de Destaque */
.detail-section {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0;
    border-radius: 40px;
    margin: 40px 20px;
    text-align: center;
}

.detail-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.detail-text {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.secondary-link {
    color: var(--primary);
    font-weight: bold;
    text-decoration: none;
    font-size: 1.1rem;
}

.secondary-link:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    text-align: center;
    padding: 60px 0;
    color: var(--gray);
    font-size: 0.85rem;
}

/* Responsividade para Celulares */
@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
    
    .detail-section {
        padding: 50px 20px;
    }
    
    .detail-section h2 {
        font-size: 1.8rem;
    }
}