* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ffffff;
    --primary-dark: #e5e5e5;
    --secondary-color: #a3a3a3;
    --accent-color: #d4d4d4;
    --text-dark: #e5e7eb;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    --bg-dark: #1a1a1a;
    --bg-darker: #0a0a0a;
    --bg-card: #2a2a2a;
    --bg-card-hover: #3a3a3a;
    --border-color: #404040;
    --border-light: #505050;
    --gradient-start: #2a2a2a;
    --gradient-end: #1a1a1a;
    --gradient-dark: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

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

/* Hero Section */
.hero {
    color: white;
    padding: 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.8) 35%, rgba(0, 0, 0, 0.4) 90%, rgba(0, 0, 0, 0) 100%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at left center, rgba(0, 0, 0, 0.3) 0%, transparent 0%);
    z-index: 1;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.hero-logo {
    margin-bottom: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInDown 0.8s ease;
}

.logo-image {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: var(--text-white);
    box-shadow: var(--shadow-glow);
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-title .highlight {
    background: linear-gradient(120deg, #ffffff 0%, #d4d4d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    opacity: 0.95;
    text-align: center;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.9;
    max-width: 100%;
    text-align: center;
}

.testimonial-badge {
    background: rgba(42, 42, 42, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 40px;
    border-radius: 12px;
    display: inline-block;
    font-size: 16px;
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.testimonial-badge strong {
    font-size: 20px;
    font-weight: 700;
}

/* Problem Section */
.problem {
    padding: 80px 20px;
    background: var(--bg-darker);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-white);
    line-height: 1.3;
}

.problem-content {
    max-width: 900px;
    margin: 0 auto;
}

.problem-intro {
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
    color: var(--text-white);
}

.problem-stats {
    text-align: center;
    margin: 48px 0;
}

.stat-box {
    display: inline-block;
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    color: white;
    padding: 40px 60px;
    border-radius: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.stat-number {
    display: block;
    font-size: 72px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 18px;
    font-weight: 600;
    opacity: 0.95;
}

.stat-description {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-white);
    margin-top: 24px;
}

.problem-text {
    font-size: 18px;
    margin: 24px 0;
    color: var(--text-dark);
    line-height: 1.8;
}

.problem-list {
    list-style: none;
    margin: 32px 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.problem-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 18px;
    color: var(--text-dark);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.problem-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.problem-item:hover::before {
    left: 100%;
}

.problem-item:hover {
    transform: translateY(-4px);
    border-color: var(--text-white);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    background: var(--bg-card-hover);
}

.problem-icon {
    font-size: 24px;
    flex-shrink: 0;
    animation: pulse 2s ease-in-out infinite;
}

.problem-text-item {
    flex: 1;
    font-weight: 500;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.problem-conclusion {
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    margin: 40px 0;
    color: var(--text-white);
}

.problem-solution {
    font-size: 18px;
    margin: 32px 0;
    color: var(--text-dark);
    line-height: 1.8;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--text-white);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.problem-cta {
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    margin-top: 40px;
    color: var(--text-white);
    line-height: 1.6;
}

.problem-cta strong {
    color: var(--text-white);
    font-weight: 700;
}

/* Research Box */
.research-box {
    margin: 48px 0;
    padding: 32px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.research-image-container {
    width: 100%;
    margin-bottom: 24px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.research-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.research-image:hover {
    transform: scale(1.02);
}

.research-content {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.research-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.research-text {
    flex: 1;
}

.research-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}

.research-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.research-description strong {
    color: var(--text-white);
    font-weight: 700;
}

.research-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--bg-darker);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    padding: 10px 20px;
    background: var(--text-white);
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid var(--text-white);
}

.research-link:hover {
    background: var(--primary-dark);
    color: var(--bg-darker);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.research-link:active {
    transform: translateY(0);
}

/* Comparison Section */
.comparison {
    padding: 80px 20px;
    background: var(--bg-dark);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-box {
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.comparison-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.comparison-box.without {
    background: rgba(60, 60, 60, 0.3);
    border: 2px solid rgba(120, 120, 120, 0.5);
}

.comparison-box.with {
    background: rgba(80, 80, 80, 0.3);
    border: 2px solid rgba(200, 200, 200, 0.5);
}

.comparison-box h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-white);
}

.comparison-stats {
    margin: 32px 0;
}

.comparison-stat {
    margin: 24px 0;
}

.comparison-stat .stat-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.comparison-stat .stat-value {
    display: block;
    font-size: 48px;
    font-weight: 900;
    color: var(--text-white);
}

.comparison-box.with .stat-value {
    color: var(--text-white);
}

.source {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 24px;
    font-style: italic;
}

/* Setup Section */
.setup {
    padding: 80px 20px;
    background: var(--bg-darker);
}

.setup-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.step {
    text-align: center;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.step-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3a3a3a 0%, #2a2a2a 100%);
    color: white;
    border-radius: 50%;
    font-size: 24px;
    font-weight: 700;
    line-height: 60px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-white);
}

.step p {
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 80px 20px;
    background: var(--bg-dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.benefit-card {
    padding: 32px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    border-color: var(--text-white);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-4px);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-white);
}

.benefit-card p {
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 80px 20px;
    background: linear-gradient(135deg, #424242 0%, #2c2c2c 50%, #202020 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.pricing .section-title {
    color: white;
}

.pricing-breakdown {
    max-width: 600px;
    margin: 48px auto;
    background: rgba(42, 42, 42, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.pricing-item {
    display: flex;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-item:last-of-type {
    border-bottom: none;
}

.pricing-label {
    font-size: 16px;
    opacity: 0.9;
}

.pricing-value {
    font-size: 16px;
    font-weight: 600;
}

.pricing-total {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid rgba(255, 255, 255, 0.3);
}

.total-label {
    font-size: 20px;
    font-weight: 700;
}

.total-value {
    font-size: 24px;
    font-weight: 800;
}

.pricing-offer {
    text-align: center;
    max-width: 700px;
    margin: 48px auto 0;
}

.offer-text {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 32px;
    opacity: 0.95;
}

.offer-price {
    margin: 32px 0;
}

.old-price {
    display: block;
    font-size: 18px;
    text-decoration: line-through;
    opacity: 0.7;
    margin-bottom: 16px;
}

.new-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.installment {
    font-size: 32px;
    font-weight: 700;
}

.or {
    font-size: 18px;
    opacity: 0.8;
}

.cash {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(120deg, #ffffff 0%, #d4d4d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-features {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 32px 0;
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-note {
    font-size: 16px;
    opacity: 0.9;
    margin: 24px 0;
    font-style: italic;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(120deg, #ffffff 0%, #d4d4d4 100%);
    color: var(--bg-darker);
    padding: 20px 60px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-xl);
    transition: all 0.3s ease;
    margin: 32px 0;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 30px -5px rgba(255, 255, 255, 0.2);
    background: linear-gradient(120deg, #f5f5f5 0%, #e5e5e5 100%);
}

.payment-security {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 16px;
}

/* About Section */
.about {
    padding: 80px 20px;
    background: var(--bg-darker);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-content h3 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--text-white);
}

.about-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 48px 0;
}

.about-stat {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    font-size: 16px;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.about-stat:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.about-stat strong {
    color: var(--text-white);
    font-weight: 700;
}

.about-mission {
    font-size: 22px;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--text-white);
}

.about-mission-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    color: var(--text-dark);
    padding: 32px 20px;
    text-align: center;
}

.footer p {
    font-size: 14px;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        min-height: 80vh;
        justify-content: flex-start;
    }

    .hero .container {
        padding: 60px 20px;
    }

    .hero-content {
        max-width: 100%;
    }

    .problem-list {
        grid-template-columns: 1fr;
    }

    .logo-image {
        max-width: 150px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-description {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .stat-number {
        font-size: 56px;
    }

    .research-box {
        padding: 24px;
        margin: 32px 0;
    }

    .research-image-container {
        margin-bottom: 20px;
    }

    .research-content {
        flex-direction: column;
        gap: 16px;
    }

    .research-icon {
        font-size: 40px;
        align-self: center;
    }

    .research-title {
        font-size: 20px;
        text-align: center;
    }

    .research-description {
        font-size: 15px;
        text-align: center;
    }

    .research-link {
        width: 100%;
        justify-content: center;
    }

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

    .setup-steps {
        grid-template-columns: 1fr;
    }

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

    .about-stats {
        grid-template-columns: 1fr;
    }

    .cash {
        font-size: 36px;
    }

    .installment {
        font-size: 24px;
    }

    .cta-button {
        padding: 16px 40px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .hero .container {
        padding: 40px 20px;
    }

    .hero-content {
        max-width: 100%;
    }

    .problem-item {
        padding: 16px;
        font-size: 16px;
    }

    .problem-icon {
        font-size: 20px;
    }

    .logo-image {
        max-width: 120px;
    }

    .hero-title {
        font-size: 24px;
    }

    .problem,
    .comparison,
    .setup,
    .benefits,
    .pricing,
    .about {
        padding: 60px 20px;
    }

    .stat-box {
        padding: 32px 40px;
    }

    .stat-number {
        font-size: 48px;
    }

    .research-box {
        padding: 20px;
    }

    .research-image-container {
        margin-bottom: 16px;
    }

    .research-title {
        font-size: 18px;
    }

    .research-description {
        font-size: 14px;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 10001;
    animation: slideUp 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), var(--shadow-glow);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 32px;
    color: var(--text-dark);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--bg-card-hover);
    color: var(--text-white);
    transform: rotate(90deg);
}

.checkout-container {
    width: 100%;
}

.checkout-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 24px;
    text-align: center;
}

.checkout-product {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 32px;
}

.checkout-product h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 16px;
}

.checkout-price {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.price-old {
    font-size: 16px;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-new {
    font-size: 32px;
    font-weight: 900;
    color: var(--text-white);
}

.price-installment {
    font-size: 18px;
    color: var(--text-white);
    font-weight: 600;
    opacity: 0.9;
}

.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select {
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--bg-dark);
    color: var(--text-white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--text-white);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
    background: var(--bg-card);
}

.form-group input::placeholder {
    color: var(--text-light);
}

.checkout-button {
    background: linear-gradient(120deg, #ffffff 0%, #d4d4d4 100%);
    color: var(--bg-darker);
    padding: 18px 32px;
    border: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
    box-shadow: var(--shadow-lg);
}

.checkout-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
    background: linear-gradient(120deg, #f5f5f5 0%, #e5e5e5 100%);
}

.checkout-button:active {
    transform: translateY(0);
}

.checkout-security {
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.checkout-security img {
    width: 20px;
    height: 20px;
}

/* Modal de Sucesso */
.modal-success {
    max-width: 500px;
    text-align: center;
}

.success-content {
    padding: 20px 0;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ffffff 0%, #d4d4d4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--bg-darker);
    margin: 0 auto 24px;
    animation: scaleIn 0.5s ease;
}

.success-content h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 16px;
}

.success-content p {
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 32px;
}

.success-button {
    background: var(--text-white);
    color: var(--bg-darker);
    padding: 14px 40px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.success-button:hover {
    background: var(--primary-dark);
    color: var(--bg-darker);
    transform: translateY(-2px);
}

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

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

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        padding: 30px 20px;
        width: 95%;
        max-height: 95vh;
    }

    .checkout-title {
        font-size: 24px;
    }

    .price-new {
        font-size: 28px;
    }

    .checkout-button {
        padding: 16px 24px;
        font-size: 16px;
    }
}