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

:root {
    --primary: #FF3B30; /* Red inspirada na Apple Music */
    --primary-gradient: linear-gradient(135deg, #FF3B30 0%, #FF9500 100%);
    --bg-dark: #000000;
    --bg-card: #1C1C1E;
    --text-white: #FFFFFF;
    --text-gray: #8E8E93;
    --glass: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.15);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    overflow-x: hidden;
}

/* Glassmorphism Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    margin-left: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 5% 60px;
    position: relative;
    background: radial-gradient(circle at 50% 0%, rgba(255, 59, 48, 0.15) 0%, transparent 50%);
    text-align: center;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
    margin-bottom: 4rem;
}

.hero-content h1 {
    font-size: 2.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-content p {
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 59, 48, 0.3);
}

/* Mosaic Image Grid */
.mosaic-container {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: minmax(140px, auto);
    gap: 12px;
    padding: 20px 0 0;
    max-width: 500px;
    margin: 0 auto;
}

.mosaic-item {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.mosaic-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mosaic-item:hover {
    transform: scale(1.05);
    z-index: 10;
}

.mosaic-item.large {
    grid-row: span 2;
}

/* Diversity Section */
.diversity {
    padding: 60px 5%;
    text-align: center;
}

.diversity h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.diversity p {
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 50px;
}

.age-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.age-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 30px;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: background 0.3s;
}

.age-card:hover {
    background: #2C2C2E;
}

.age-card i {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Footer */
footer {
    padding: 50px 5%;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Responsividade Desktop (Media Query reversa para Desktop First -> Mobile First) */
@media (min-width: 992px) {
    .hero {
        flex-direction: row;
        text-align: left;
        padding: 0 5%;
        height: 100vh;
        gap: 5%;
        background: radial-gradient(circle at 80% 20%, rgba(255, 59, 48, 0.15) 0%, transparent 40%);
    }

    .hero-content {
        flex: 1;
        margin-bottom: 0;
    }

    .hero-content h1 {
        font-size: 4rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .mosaic-container {
        flex: 1.2;
        grid-auto-rows: 1fr;
        height: 70vh;
        gap: 20px;
        padding: 0;
        max-width: none;
    }

    .diversity {
        padding: 120px 5%;
    }

    .diversity h2 {
        font-size: 3.5rem;
    }

    .nav-links {
        display: flex;
    }
}

/* Esconder menu em mobile por enquanto ou manter simples */
@media (max-width: 768px) {
    .nav-links a:not(.btn-primary) {
        display: none;
    }
    .hero-content h1 {
        font-size: 2.8rem;
    }
}