/* ========================================
   CSS Variables
======================================== */
:root {
    /* Primary Colors - Matching App Theme */
    --primary-color: #242424;
    --primary-dark: #1a1a1a;
    --primary-light: #3d3d3d;
    --neutral-gray: #757575;
    --neutral-light-gray: #C2C2C2;
    --neutral-lighter-gray: #EDEDED;
    --neutral-semi-lighter-gray: #F4F8FF;
    --neutral-more-light-gray: #FDFDFF;
    --neutral-more-lighter-gray: #F2F4F7;
    
    /* Accent Colors */
    --accent-color: #242424;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Text Colors */
    --text-primary: #242424;
    --text-secondary: #757575;
    --text-light: #C2C2C2;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #FDFDFF;
    --bg-tertiary: #F2F4F7;
    --bg-light: #F4F8FF;
    
    /* Border & Shadow */
    --border-color: #EDEDED;
    --shadow-sm: 0 1px 3px 0 rgba(36, 36, 36, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(36, 36, 36, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(36, 36, 36, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(36, 36, 36, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Font */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

/* ========================================
   Container & Layout
======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--neutral-semi-lighter-gray);
    border: 1px solid var(--neutral-lighter-gray);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 800;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.gradient-text {
    color: var(--primary-color);
    font-weight: 800;
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn i {
    font-size: 18px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px rgba(36, 36, 36, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--primary-dark);
    box-shadow: 0 8px 20px rgba(36, 36, 36, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 18px;
}

/* ========================================
   Navbar
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    gap: 48px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    flex-shrink: 0;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
}

.lang-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 30px;
    height: 24px;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
    background: var(--bg-light);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.hero-shape.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--neutral-lighter-gray);
    top: -300px;
    right: -200px;
}

.hero-shape.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--neutral-more-lighter-gray);
    bottom: -100px;
    left: -150px;
}

.hero-shape.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--neutral-semi-lighter-gray);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--neutral-semi-lighter-gray);
    border: 1px solid var(--neutral-lighter-gray);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.hero-image {
    position: relative;
}

.phone-mockup {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.phone-screen {
    width: 100%;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
}

.floating-card i {
    font-size: 24px;
    color: var(--primary-color);
}

.floating-card.card-1 {
    top: 20%;
    left: -40px;
}

.floating-card.card-2 {
    bottom: 20%;
    right: -40px;
}

.card-title {
    font-weight: 600;
    font-size: 16px;
}

.card-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ========================================
   Features Section
======================================== */
.features {
    padding: 100px 0;
    background: var(--bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius-md);
    font-size: 28px;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   How It Works Section
======================================== */
.how-it-works {
    padding: 100px 0;
    background: var(--bg-light);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-top: 60px;
}

.step-item {
    flex: 1;
    max-width: 300px;
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    font-size: 28px;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto 24px;
    box-shadow: 0 8px 20px rgba(36, 36, 36, 0.2);
}

.step-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 20px;
    font-size: 32px;
    color: var(--primary-color);
}

.step-title {
    font-size: 22px;
    margin-bottom: 12px;
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-arrow {
    font-size: 32px;
    color: var(--primary-color);
    opacity: 0.3;
}

/* ========================================
   App Showcase Section
======================================== */
.app-showcase {
    padding: 100px 0;
    background: var(--bg-primary);
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.showcase-images {
    position: relative;
    height: 600px;
}

.showcase-img {
    position: absolute;
    width: 250px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-base);
}

.showcase-img:hover {
    transform: scale(1.05);
}

.showcase-img.img-1 {
    top: 0;
    left: 0;
    z-index: 3;
}

.showcase-img.img-2 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.showcase-img.img-3 {
    bottom: 0;
    right: 0;
    z-index: 1;
}

.showcase-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 32px 0;
}

.showcase-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-secondary);
}

.showcase-feature i {
    color: var(--success-color);
    font-size: 20px;
}

/* ========================================
   Vendors Section
======================================== */
.vendors-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.vendors-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.vendors-benefits {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 32px 0;
}

.benefit-item {
    display: flex;
    gap: 20px;
}

.benefit-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius-md);
    font-size: 24px;
}

.benefit-text h4 {
    font-size: 18px;
    margin-bottom: 6px;
}

.benefit-text p {
    color: var(--text-secondary);
    font-size: 15px;
}

.vendors-image {
    position: relative;
}

.vendors-image img {
    width: 100%;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.vendor-stats {
    position: absolute;
    bottom: -30px;
    right: 30px;
}

.stat-card {
    padding: 24px 32px;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.stat-card i {
    font-size: 32px;
    color: var(--success-color);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ========================================
   Testimonials Section
======================================== */
.testimonials {
    padding: 100px 0;
    background: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.testimonial-card {
    padding: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: 18px;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    font-size: 15px;
}

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

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    font-size: 16px;
}

.author-role {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ========================================
   Download Section
======================================== */
.download-section {
    padding: 100px 0;
    background: var(--primary-color);
    color: white;
}

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

.download-section .section-title,
.download-section .section-description {
    color: white;
}

.download-buttons {
    display: flex;
    gap: 16px;
    margin: 32px 0;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    color: white;
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.download-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-4px);
}

.download-btn i {
    font-size: 36px;
}

.btn-small-text {
    font-size: 12px;
    display: block;
    opacity: 0.9;
}

.btn-large-text {
    font-size: 18px;
    font-weight: 600;
    display: block;
}

.download-stats {
    display: flex;
    gap: 32px;
}

.download-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
}

.download-stat i {
    font-size: 20px;
}

.download-image img {
    width: 100%;
    max-width: 500px;
    margin-left: auto;
}

/* ========================================
   Footer
======================================== */
.footer {
    padding: 80px 0 40px;
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.8);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer-logo span {
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.footer-description {
    margin-bottom: 24px;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--neutral-gray);
    transform: translateY(-4px);
}

.footer-title {
    font-size: 18px;
    color: white;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-contact i {
    font-size: 16px;
    color: var(--neutral-light-gray);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom i {
    color: var(--danger-color);
}

/* ========================================
   Scroll to Top Button
======================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

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

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 40px;
    }
    
    .hero-title {
        font-size: 52px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .showcase-content {
        grid-template-columns: 1fr;
    }
    
    .showcase-images {
        height: 400px;
        order: 2;
    }
    
    .vendors-content {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .download-buttons {
        flex-direction: column;
    }
    
    .download-stats {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 32px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .floating-card {
        display: none;
    }
}

/* ========================================
   Animations
======================================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.floating-card {
    animation: float 3s ease-in-out infinite;
}

.floating-card.card-1 {
    animation-delay: 0s;
}

.floating-card.card-2 {
    animation-delay: 1.5s;
}