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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a202c;
    background-color: #ffffff;
    font-size: 16px;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.875rem;
}

h3 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1em;
    color: #4a5568;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 50%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    line-height: 1;
}

.btn-primary {
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-ios {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: white;
    border: 2px solid transparent;
}

.btn-ios:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-android {
    background: linear-gradient(135deg, #7e0e26 0%, #181a18 100%);
    color: white;
    border: 2px solid transparent;
}

.btn-android:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 168, 83, 0.4);
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu {
    display: none;
    list-style: none;
    gap: 30px;
    margin: 0;
}

.nav-menu a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #667eea;
}

/* Hero Section */
.hero {
    padding: 175px 0 80px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: #1a202c;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #4a5568;
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.hero-image {
    display: flex;
    justify-content: center;
}

/* Phone Mockup */
.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #7e0e26 0%, #26282a 100%);
    border-radius: 30px;
    padding: 20px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #4a5568;
    border-radius: 3px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.app-interface {
    padding: 20px;
    height: 100%;
}

.app-header {
    margin-bottom: 20px;
}

.status-bar {
    height: 20px;
    background: linear-gradient(90deg, #f7fafc 0%, #edf2f7 100%);
    border-radius: 10px;
    margin-bottom: 15px;
}

.search-bar {
    height: 40px;
    background: #f7fafc;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
}

.app-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.product-card {
    height: 80px;
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 100%);
    border-radius: 12px;
    opacity: 0.8;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: #4a5568;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features {
    padding: 100px 20px;
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
}

.feature-card h3 {
    color: #1a202c;
    margin-bottom: 16px;
    font-size: 1.25rem;
    font-weight: 600;
}

.feature-card p {
    color: #4a5568;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 20px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.steps-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.step h3 {
    color: #1a202c;
    margin-bottom: 16px;
    font-size: 1.5rem;
    font-weight: 600;
}

.step p {
    color: #4a5568;
    line-height: 1.6;
    max-width: 300px;
    margin: 0 auto;
}

/* UI Showcase Section */
.ui-showcase {
    padding: 100px 20px;
    background: #fff;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

.showcase-text {
    text-align: center;
}

.showcase-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 40px;
}

.showcase-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
}

.showcase-feature svg {
    color: #48bb78;
}

.showcase-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: #1a202c;
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    margin: 0 auto;
    width: fit-content;
}

.figma-icon {
    color: #f24e1e;
}

.showcase-image {
    display: flex;
    justify-content: center;
}

.ui-mockups {
    position: relative;
    width: 300px;
    height: 400px;
}

.ui-mockup {
    position: absolute;
    width: 200px;
    height: 350px;
    background: linear-gradient(145deg, #2d3748 0%, #1a202c 100%);
    border-radius: 25px;
    padding: 15px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.main-mockup {
    top: 0;
    left: 50px;
    z-index: 2;
}

.secondary-mockup {
    top: 50px;
    left: 0;
    z-index: 1;
    opacity: 0.8;
    transform: scale(0.9);
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
}

.mockup-content {
    padding: 15px;
    height: 100%;
}

.mockup-header {
    height: 30px;
    background: linear-gradient(90deg, #f7fafc 0%, #edf2f7 100%);
    border-radius: 15px;
    margin-bottom: 15px;
}

.mockup-body {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.mockup-card {
    height: 60px;
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 100%);
    border-radius: 10px;
    opacity: 0.8;
}

.mockup-profile {
    height: 80px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-radius: 10px;
    margin-bottom: 15px;
}

.mockup-details {
    height: 40px;
    background: #f7fafc;
    border-radius: 8px;
}

/* Statistics Section */
.statistics {
    padding: 80px 0;
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: white;
}

.stat-label {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-weight: 500;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 20px;
    background: #fff;
}

.testimonials-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.testimonial-card.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

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

.stars {
    font-size: 1.5rem;
    color: #fbbf24;
    margin-bottom: 24px;
}

.testimonial-card blockquote {
    font-size: 1.25rem;
    font-style: italic;
    color: #1a202c;
    line-height: 1.6;
    margin-bottom: 32px;
    font-weight: 500;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info {
    text-align: left;
}

.author-info h4 {
    color: #1a202c;
    margin-bottom: 4px;
    font-weight: 600;
}

.author-info p {
    color: #4a5568;
    font-size: 0.875rem;
    margin: 0;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: #cbd5e0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 100%);
    transform: scale(1.2);
}

/* Download Section */
.download {
    padding: 100px 20px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    text-align: center;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    margin-bottom: 60px;
}

.qr-section {
    text-align: center;
}

.qr-section p {
    color: #4a5568;
    margin-bottom: 20px;
}

.qr-code {
    display: inline-block;
    padding: 40px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: #f7fafc;
    border: 2px dashed #cbd5e0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4a5568;
    font-weight: 500;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 80px 20px 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section p {
    color: #a0aec0;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: #2d3748;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: linear-gradient(135deg, #7e0e26 0%, #a8324a 100%);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #2d3748;
}

.footer-bottom p {
    color: #718096;
    margin: 0;
}

/* Responsive Design - Tablet */
@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
    
    .nav-menu {
        display: flex;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
    }
    
    .showcase-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .download-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Responsive Design - Desktop */
@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .hero-buttons {
        justify-content: flex-start;
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .showcase-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .showcase-text {
        text-align: left;
    }
    
    .showcase-features {
        grid-template-columns: 1fr;
    }
    
    .showcase-feature {
        justify-content: flex-start;
    }
    
    .showcase-badge {
        margin: 0;
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    
    .phone-mockup {
        width: 320px;
        height: 640px;
    }
}

/* Animations and Transitions */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.phone-mockup {
    animation: float 6s ease-in-out infinite;
}

.ui-mockup {
    animation: float 8s ease-in-out infinite;
}

.ui-mockup.secondary-mockup {
    animation-delay: -2s;
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Focus States for Accessibility */
.btn:focus,
.nav-menu a:focus,
.dot:focus {
    /* outline: 2px solid #667eea; */
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .btn-primary {
        background: #000;
        border: 2px solid #fff;
    }
    
    .feature-card {
        border: 1px solid #000;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .phone-mockup,
    .ui-mockup {
        animation: none;
    }
}