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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #1F2937;
    background-color: #FFFFFF;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #E5E7EB;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h2 {
    color: #2563EB;
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav a {
    text-decoration: none;
    color: #6B7280;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: #2563EB;
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.cta-button.primary {
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    color: white !important;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.3);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(37, 99, 235, 0.4);
}

.cta-button.secondary {
    background: transparent;
    color: #2563EB;
    border: 2px solid #2563EB;
}

.cta-button.secondary:hover {
    background: #2563EB;
    color: white !important;
}

.cta-button.large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1F2937 0%, #2563EB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2563EB;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.125rem;
    color: #6B7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
}

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

/* Features Section */
.features {
    padding: 6rem 0;
    background: white;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1F2937;
}

.section-header p {
    font-size: 1.125rem;
    color: #6B7280;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563EB, #10B981);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #EBF4FF 0%, #DBEAFE 100%);
    border-radius: 12px;
}

.feature-icon img {
    width: 48px;
    height: 48px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1F2937;
}

.feature-card p {
    color: #6B7280;
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
}

.benefits-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.benefit-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefit-item.reverse {
    direction: rtl;
}

.benefit-item.reverse > * {
    direction: ltr;
}

.benefit-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1F2937;
}

.benefit-text p {
    font-size: 1.125rem;
    color: #6B7280;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.benefit-text ul {
    list-style: none;
    padding: 0;
}

.benefit-text li {
    padding: 0.5rem 0;
    color: #6B7280;
    position: relative;
    padding-left: 2rem;
}

.benefit-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10B981;
    font-weight: bold;
}

.benefit-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.stats-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563EB;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: #6B7280;
    margin-top: 0.5rem;
}

.device-mockup {
    width: 200px;
    height: 300px;
    background: #1F2937;
    border-radius: 20px;
    padding: 20px;
    position: relative;
}

.device-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 12px;
    padding: 1rem;
}

.checkout-preview {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-field {
    height: 20px;
    background: #F3F4F6;
    border-radius: 4px;
}

.form-field.short {
    width: 60%;
}

.button-preview {
    height: 30px;
    background: #2563EB;
    border-radius: 6px;
    margin-top: 1rem;
}

/* FAQ Section */
.faq {
    padding: 6rem 0;
    background: white;
}

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

.faq-item {
    border-bottom: 1px solid #E5E7EB;
    margin-bottom: 1rem;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover,
.faq-question:hover h3 {
    color: #2563EB !important;
}

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
    color: #1F2937 !important;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: #6B7280;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    color: #2563EB;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 1.5rem;
}

.faq-answer p {
    color: #6B7280;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cta-buttons .cta-button.primary {
    background: white !important;
    color: #2563EB !important;
}

.cta-buttons .cta-button.primary:hover {
    background: #F3F4F6 !important;
}

.cta-buttons .cta-button.secondary {
    border-color: white;
    color: white;
}

.cta-note {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: #1F2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9CA3AF;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9CA3AF;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .benefit-item {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .benefit-item.reverse {
        direction: ltr;
    }

    .nav {
        display: none;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .features,
    .benefits,
    .faq,
    .cta-section {
        padding: 4rem 0;
    }
}

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

.feature-card,
.benefit-item,
.faq-item {
    animation: fadeInUp 0.6s ease forwards;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}