@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root {
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --secondary: #ec4899;
    --accent: #10b981;
    --dark-1: #ffffff;
    --dark-2: #f9fafb;
    --dark-3: #f3f4f6;
    --dark-4: #e5e7eb;
    --light-1: #111827;
    --light-2: #1f2937;
    --light-3: #374151;
    --light-4: #4b5563;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
    --dark-1: #111827;
    --dark-2: #1f2937;
    --dark-3: #374151;
    --dark-4: #4b5563;
    --light-1: #f9fafb;
    --light-2: #f3f4f6;
    --light-3: #e5e7eb;
    --light-4: #d1d5db;
}
#root {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--dark-1);
    color: var(--light-1);
    line-height: 1.6;
    min-height: 100vh;
}

.price {
    font-weight: bold;
    color: var(--primary);
    margin: 0.5rem 0;
}

.price .condition {
    font-weight: normal;
    color: var(--light-3);
    font-size: 0.9rem;
}

.meta {
    font-size: 0.85rem;
    color: var(--light-3);
    margin-bottom: 0.5rem;
}
a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.8;
}
/* Layout */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    display: block;
    font-size: 1rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--light-1), var(--light-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}
/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
    color: var(--light-1);
}

p {
    color: var(--light-3);
    margin-bottom: 1rem;
    max-width: 65ch;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--dark-1);
}

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

.btn-outline {
    border: 1px solid var(--light-3);
    color: var(--light-1);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Cards */
.card {
    background-color: var(--dark-2);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.25);
    border-color: rgba(74, 222, 128, 0.3);
}
/* Navigation */
.glass-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.dark .glass-nav {
    background: rgba(17, 24, 39, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--light-3);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--light-1);
    font-size: 1.5rem;
    cursor: pointer;
}
/* Hero Section */
.hero-section {
    padding: 10rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--light-3);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.btn.primary {
    background: var(--gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn.outline {
    background: transparent;
    border: 1px solid var(--dark-4);
    color: var(--light-1);
}

.btn.outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn.with-icon {
    gap: 0.5rem;
}

.btn.small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn.full-width {
    width: 100%;
}

.hero-visual {
    position: relative;
}

.device-mockup {
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-15deg);
    transition: var(--transition);
}

.device-mockup:hover {
    transform: perspective(1000px) rotateY(-5deg);
}

.device-mockup img {
    width: 100%;
    height: auto;
    display: block;
}

.floating-cards {
    position: absolute;
    bottom: -2rem;
    left: -2rem;
    display: flex;
    gap: 1rem;
}

.floating-card {
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--light-1);
}

.floating-card i {
    color: var(--primary);
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--dark-2);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-weight: 500;
}

.trust-item i {
    color: var(--primary);
}
/* Process Section */
.process-section {
    padding: 6rem 0;
    background: var(--dark-2);
}

.process-steps {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.5rem;
    align-items: center;
    padding: 2rem;
    background: var(--dark-1);
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--dark-4);
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.step-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-light);
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--light-1);
}

.step-content p {
    color: var(--light-3);
}

.step-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}
.feature-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: rgba(74, 222, 128, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}
/* Stats Section */
.stats-section {
    padding: 4rem 0;
    background: var(--gradient);
    color: white;
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

.stat-card {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 0 2rem;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--light-1);
}

.contact-methods {
    margin-top: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: var(--light-1);
    transition: var(--transition);
}

.contact-method i {
    font-size: 1.25rem;
    color: var(--primary);
}

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

.contact-form {
    background: var(--dark-2);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--light-1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--dark-4);
    border-radius: 0.5rem;
    background: var(--dark-1);
    color: var(--light-1);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* Footer */
.modern-footer {
    background: var(--light-1);
    color: var(--dark-1);
    padding: 4rem 0 0;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    padding: 0 2rem;
}

.footer-col h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--dark-1);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: var(--dark-3);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--dark-3);
    color: var(--light-1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid var(--dark-3);
    color: var(--dark-3);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        margin-top: 3rem;
    }

    .floating-cards {
        justify-content: center;
        position: static;
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .process-step {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .step-icon {
        margin: 0 auto;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}
/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
    animation: fadeIn 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }