/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a73e8;
    --secondary-color: #0d47a1;
    --dark-color: #212121;
    --light-color: #f5f5f5;
    --text-color: #333;
    --border-color: #ddd;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 5px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.9), rgba(13, 71, 161, 0.9)),
                url('https://images.unsplash.com/photo-1560185893-a55cbc8c57e8?w=1200') center/cover;
    color: white;
    padding: 150px 0 100px;
    text-align: center;
    margin-top: 60px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    animation: fadeInUp 1.2s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-weight: 600;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    display: block;
}

/* Services Section */
.services {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--dark-color);
}

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

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-card p {
    color: #666;
}

/* Plans Section */
.plans {
    padding: 80px 0;
    background: var(--light-color);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.plan-card {
    background: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.plan-card.featured {
    border: 3px solid var(--primary-color);
}

.plan-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--success-color);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.9rem;
    font-weight: bold;
}

.plan-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    text-align: center;
}

.price {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.amount {
    font-size: 4rem;
    font-weight: bold;
}

.cents {
    font-size: 2rem;
    vertical-align: top;
}

.period {
    font-size: 1.2rem;
    color: #666;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features i {
    color: var(--success-color);
    margin-right: 10px;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: white;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.contact-item {
    text-align: center;
}

.contact-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.contact-item h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.contact-item p {
    color: #666;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 30px 0;
    text-align: center;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: white;
    margin: 50px auto;
    padding: 40px;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideIn 0.3s;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.close:hover,
.close:focus {
    color: #000;
}

.payment-summary {
    background: var(--light-color);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    text-align: center;
}

.payment-summary h3 {
    color: var(--dark-color);
    margin-bottom: 10px;
}

.modal-price {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: bold;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* Payment Methods */
.payment-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

.payment-method {
    cursor: pointer;
}

.payment-method input[type="radio"] {
    display: none;
}

.method-card {
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
}

.method-card i {
    font-size: 2rem;
    color: var(--primary-color);
    display: block;
    margin-bottom: 10px;
}

.payment-method input[type="radio"]:checked + .method-card {
    border-color: var(--primary-color);
    background: rgba(26, 115, 232, 0.1);
}

.method-card:hover {
    border-color: var(--primary-color);
}

/* PIX Modal */
.pix-content {
    text-align: center;
}

#qrCodeContainer {
    margin: 30px auto;
    max-width: 300px;
}

#qrCodeImage {
    width: 100%;
    border: 2px solid var(--border-color);
    border-radius: 10px;
}

.pix-code {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.pix-code input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.9rem;
}

.pix-note {
    margin: 10px 0;
    color: #666;
}

/* Success Modal */
.success-content {
    text-align: center;
}

.success-icon {
    font-size: 5rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

/* Loading Spinner */
.loading-spinner {
    text-align: center;
    margin: 20px 0;
    color: var(--primary-color);
}

.loading-spinner i {
    font-size: 3rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .nav-menu {
        display: none;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .payment-methods {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-content {
        margin: 20px;
        padding: 20px;
        width: calc(100% - 40px);
    }

    .amount {
        font-size: 3rem;
    }
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}