/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #0f1419 0%, #1a2332 50%, #2c3e50 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Fundo animado com estrelas */
.stars-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.stars, .stars2, .stars3 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}

.stars {
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #eee, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 160px 30px, #ddd, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: zoom 20s infinite;
    opacity: 0.7;
}

.stars2 {
    background-image: 
        radial-gradient(1px 1px at 40px 60px, #fff, transparent),
        radial-gradient(1px 1px at 120px 50px, rgba(255,255,255,0.9), transparent),
        radial-gradient(1px 1px at 160px 90px, #eee, transparent);
    background-repeat: repeat;
    background-size: 300px 150px;
    animation: zoom 30s infinite;
    opacity: 0.5;
}

.stars3 {
    background-image: 
        radial-gradient(1px 1px at 10px 10px, #fff, transparent),
        radial-gradient(1px 1px at 150px 150px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 60px 170px, #ddd, transparent);
    background-repeat: repeat;
    background-size: 250px 200px;
    animation: zoom 40s infinite;
    opacity: 0.3;
}

@keyframes zoom {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid rgba(52, 152, 219, 0.3);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    font-size: 28px;
    font-weight: 800;
    color: #3498db;
    text-decoration: none;
    background: linear-gradient(45deg, #3498db, #2980b9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.btn-login {
    background: linear-gradient(45deg, #f39c12, #e67e22);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.title-part1 {
    background: linear-gradient(45deg, #3498db, #2980b9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-part2 {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #bdc3c7;
}

.price-container {
    margin: 30px 0;
}

.price {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(45deg, #f1c40f, #f39c12);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(241, 196, 15, 0.5);
}

.price-period {
    font-size: 1.5rem;
    color: #95a5a6;
    margin-left: 10px;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #ecf0f1;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 18px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    color: white;
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.6);
}

.btn-secondary {
    background: linear-gradient(45deg, #8e44ad, #9b59b6);
    color: white;
    box-shadow: 0 6px 20px rgba(142, 68, 173, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(142, 68, 173, 0.6);
}

/* Why Buy Section */
.why-buy {
    padding: 80px 0;
    background: rgba(26, 35, 50, 0.8);
    backdrop-filter: blur(10px);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #3498db;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature-card {
    background: rgba(52, 73, 94, 0.8);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(52, 152, 219, 0.3);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(52, 152, 219, 0.3);
    border-color: rgba(52, 152, 219, 0.6);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #3498db;
}

.feature-card p {
    color: #bdc3c7;
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: rgba(44, 62, 80, 0.9);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #bdc3c7;
    margin-bottom: 50px;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.feature-item {
    background: rgba(52, 73, 94, 0.6);
    padding: 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(52, 152, 219, 0.2);
}

.feature-item:hover {
    transform: translateX(10px);
    background: rgba(52, 73, 94, 0.8);
    border-color: rgba(52, 152, 219, 0.5);
}

.feature-icon-small {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #e67e22, #d35400);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-item span {
    color: #ecf0f1;
    font-weight: 500;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: rgba(26, 35, 50, 0.9);
    text-align: center;
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    background: rgba(52, 73, 94, 0.8);
    padding: 50px 40px;
    border-radius: 25px;
    border: 2px solid rgba(52, 152, 219, 0.5);
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.1), rgba(231, 76, 60, 0.1));
    z-index: -1;
}

.pricing-badge {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    display: inline-block;
}

.pricing-title {
    font-size: 2rem;
    color: #3498db;
    margin-bottom: 20px;
}

.pricing-price {
    margin: 30px 0;
}

.price-value {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-subtitle {
    color: #bdc3c7;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    color: #ecf0f1;
    display: flex;
    align-items: center;
    gap: 15px;
}

.pricing-features i {
    color: #27ae60;
    font-size: 1.2rem;
}

.btn-pricing {
    background: linear-gradient(45deg, #e67e22, #d35400);
    color: white;
    padding: 20px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.4);
}

.btn-pricing:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(230, 126, 34, 0.6);
}

/* Guarantee Section */
.guarantee {
    padding: 80px 0;
    background: linear-gradient(45deg, #f1c40f, #f39c12);
    color: #2c3e50;
}

.guarantee-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.guarantee-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.guarantee-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2c3e50;
}

.guarantee-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #34495e;
}

.guarantee-description {
    font-size: 1.2rem;
    line-height: 1.6;
    color: #2c3e50;
}

/* Footer */
.footer {
    background: rgba(15, 20, 25, 0.95);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(52, 152, 219, 0.3);
}

.footer p {
    color: #95a5a6;
    margin-bottom: 10px;
}

/* Responsividade */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .price {
        font-size: 3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .price {
        font-size: 2.5rem;
    }
    
    .pricing-card {
        padding: 30px 20px;
    }
}

/* Animações adicionais */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.feature-card {
    animation: fadeInUp 1s ease-out;
}

.feature-item {
    animation: fadeInUp 0.8s ease-out;
}

/* Efeitos de hover adicionais */
.btn-primary, .btn-secondary, .btn-pricing, .btn-login {
    position: relative;
    overflow: hidden;
}

.btn-primary::before, .btn-secondary::before, .btn-pricing::before, .btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before, .btn-secondary:hover::before, .btn-pricing:hover::before, .btn-login:hover::before {
    left: 100%;
}