/* 
 * NutriPro - Premium Landing Page CSS 
 * Estilo focado em Dark Theme, Glassmorphism e Neon Accents
 */

 :root {
    --bg-dark: #0a0c10;
    --bg-darker: #06070a;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --neon-green: #00ff88;
    --neon-cyan: #00e5ff;
    --neon-purple: #b300ff;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    overflow-x: hidden;
}

/* Tipografia */
.text-gradient {
    background: linear-gradient(90deg, var(--neon-green), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-neon-green { color: var(--neon-green) !important; }
.text-neon-cyan { color: var(--neon-cyan) !important; }
.text-neon-purple { color: var(--neon-purple) !important; }

/* Navbar Glassmorphism */
.glass-nav {
    background: transparent;
    transition: all 0.3s ease;
    padding: 1.5rem 0;
}
.glass-nav.scrolled {
    background: rgba(10, 12, 16, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.8rem 0;
}

.glass-nav .nav-link {
    color: var(--text-primary);
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s;
}
.glass-nav .nav-link:hover {
    color: var(--neon-green);
}

/* Utilitários Glass */
.bg-glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}
.btn-outline-glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}
.btn-outline-glass:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}

/* Botões */
.btn-primary-gradient {
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    border: none;
    color: white;
    box-shadow: 0 8px 20px rgba(0, 210, 255, 0.3);
    transition: all 0.3s ease;
}
.btn-primary-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(0, 210, 255, 0.4);
    color: white;
}
.hover-scale {
    transition: transform 0.3s ease;
}
.hover-scale:hover {
    transform: scale(1.05);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    padding-top: 100px;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(180deg, rgba(10, 12, 16, 0.3) 0%, var(--bg-dark) 100%);
    z-index: 0;
}
.z-index-1 {
    z-index: 1;
}

/* Bento Grid */
.features-section {
    background-color: var(--bg-dark);
}
.bento-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.bento-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 255, 136, 0.3);
}
.bento-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
}
.bento-bg-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.5;
}
.glow-1 {
    top: -50px; right: -50px;
    background: var(--neon-green);
}
.glow-2 {
    bottom: -50px; left: -50px;
    background: var(--neon-purple);
}

/* Portal Section */
.portal-section {
    background: radial-gradient(circle at right center, rgba(0, 229, 255, 0.05) 0%, var(--bg-dark) 70%);
}
.mockup-phone {
    width: 280px;
    height: 580px;
    border-radius: 40px;
    border: 8px solid #222;
    background: linear-gradient(180deg, #111 0%, #000 100%);
    box-shadow: 0 30px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}
.mockup-phone::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 25px;
    background: #222;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    z-index: 2;
}
.mockup-screen-glow {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 50%;
    background: linear-gradient(0deg, rgba(0, 229, 255, 0.2) 0%, transparent 100%);
    pointer-events: none;
}

/* Footer CTA */
.footer-cta {
    background: var(--bg-darker);
    position: relative;
    overflow: hidden;
}
.footer-cta::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.5), transparent);
}

/* Media Queries (Mobile First já aplicado na base, ajustes finos) */
@media (max-width: 991px) {
    .glass-nav {
        background: rgba(10, 12, 16, 0.95);
        backdrop-filter: blur(15px);
        padding: 1rem 0;
    }
    .hero-section {
        padding-top: 120px;
        text-align: center;
    }
    .display-3 {
        font-size: 2.5rem;
    }
}