:root {
    --bg-dark: #0b0f19;
    --bg-card: #151b2c;
    --primary: #8a2be2;
    --primary-glow: rgba(138, 43, 226, 0.4);
    --accent: #ff007f;
    --text-main: #f3f4f6;
    --text-muted: #cbd5e1;
}

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

/* Sobrescrita de Acessibilidade: Contraste de Texto Secundário (TDAH Friendly) */
.text-muted {
    color: var(--text-muted) !important;
}

/* Glassmorphism Navbar */
.navbar {
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.5px;
    background: linear-gradient(45deg, #a855f7, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main) !important;
}

/* Gradientes e Brilhos Neon */
.neon-text-gradient {
    background: linear-gradient(135deg, #c084fc, #f472b6, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-glow {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    box-shadow: 0 4px 15px var(--primary-glow);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(138, 43, 226, 0.6);
    color: white;
}

.btn-outline-custom {
    border: 2px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-outline-custom:hover {
    border-color: var(--accent);
    background: rgba(255, 0, 127, 0.05);
    color: white;
}

/* Hero Section */
.hero-section {
    padding: 180px 0 100px 0;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(255, 0, 127, 0.1) 0%, transparent 40%);
}

.hero-badge {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #d8b4fe;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 1.5rem;
}

/* Cards Premium */
.feature-card {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(138, 43, 226, 0.2);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(138, 43, 226, 0.1);
    color: #c084fc;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    transform: scale(1.05);
}

/* Metodologia de Ebbinghaus */
.science-section {
    background-color: rgba(21, 27, 44, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    padding: 100px 0;
}

.curva-container {
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: inset 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* Tabela de Preços */
.price-card {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 28px;
    padding: 3rem 2.5rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    height: 100%;
}

.price-card.featured {
    border: 2px solid var(--primary);
    box-shadow: 0 10px 30px rgba(138, 43, 226, 0.15);
}

.price-card.featured::after {
    content: 'POPULAR';
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    letter-spacing: 0.5px;
}

.price-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Footer */
footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background-color: #080b12;
    padding: 60px 0 30px 0;
}

.footer-logo {
    font-weight: 800;
    font-size: 1.5rem;
    background: linear-gradient(45deg, #a855f7, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}