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

:root {
    --primary: #667eea;
    --primary-dark: #764ba2;
    --secondary: #f093fb;
    --secondary-dark: #f5576c;
    --success: #43e97b;
    --warning: #fee140;
    --danger: #f5576c;
    --dark: #1a202c;
    --light: #f7fafc;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --gray-400: #cbd5e0;
    --gray-500: #a0aec0;
    --gray-600: #718096;
    --gray-700: #4a5568;
    --gray-800: #2d3748;
    --gray-900: #1a202c;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: #ffffff;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    line-height: 1.8;
    color: var(--gray-600);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

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

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: var(--gray-100);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--gray-100) 0%, white 100%);
    overflow: hidden;
}

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

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: white;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 24px;
    line-height: 1.1;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

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

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-image {
    position: relative;
}

.app-window {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: float 6s ease-in-out infinite;
}

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

.app-window img {
    width: 100%;
    height: auto;
    display: block;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.25rem;
}

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

.feature-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    border: 2px solid var(--gray-200);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.5rem;
}

.feature-card p {
    font-size: 15px;
    line-height: 1.7;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: var(--gray-100);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.screenshot-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.screenshot-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.screenshot-card img {
    width: 100%;
    height: auto;
    display: block;
}

.screenshot-card h3 {
    padding: 20px 24px 8px;
    font-size: 1.25rem;
}

.screenshot-card p {
    padding: 0 24px 24px;
    font-size: 14px;
}

/* Use Cases Section */
.use-cases {
    padding: 100px 0;
    background: white;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.use-case {
    background: var(--gray-100);
    padding: 32px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.use-case:hover {
    background: white;
    box-shadow: var(--shadow-xl);
}

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

.use-case h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.use-case p {
    font-size: 15px;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--gray-100);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 0 auto 32px;
}

.pricing-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
    border: 3px solid transparent;
    transition: all 0.3s ease;
}

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

.pricing-card:not(.pricing-card-coming):hover {
    border-color: var(--primary);
}

.pricing-card-coming {
    opacity: 0.7;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-badge.coming-soon {
    background: var(--gray-400);
}

.pricing-card h3 {
    text-align: center;
    margin-bottom: 16px;
    font-size: 1.75rem;
}

.price {
    text-align: center;
    margin-bottom: 8px;
}

.price-currency {
    font-size: 2rem;
    font-weight: 600;
    color: var(--gray-600);
}

.price-amount {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    text-align: center;
    color: var(--gray-500);
    margin-bottom: 32px;
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    font-size: 15px;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    text-align: center;
    font-size: 15px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.download-content h2 {
    color: white;
    font-size: 3rem;
    margin-bottom: 16px;
}

.download-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.download-label {
    font-size: 12px;
    text-align: left;
    opacity: 0.9;
}

.download-store {
    font-size: 20px;
    font-weight: 700;
    text-align: left;
}

.download-requirements {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: white;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 32px;
}

.faq-item {
    background: var(--gray-100);
    padding: 32px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    background: white;
    box-shadow: var(--shadow-xl);
}

.faq-item h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
    color: var(--primary);
}

.faq-item p {
    font-size: 15px;
    line-height: 1.7;
}

.faq-item a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.faq-item a:hover {
    text-decoration: underline;
}

/* Support Section */
.support {
    padding: 100px 0;
    background: var(--gray-100);
}

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

.support-content h2 {
    margin-bottom: 16px;
}

.support-content > p {
    font-size: 1.25rem;
    margin-bottom: 60px;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.support-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

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

.support-card h3 {
    margin-bottom: 8px;
    font-size: 1.25rem;
}

.support-card p {
    margin-bottom: 16px;
    font-size: 14px;
}

.support-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
}

.support-link:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--gray-900);
    color: white;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-description {
    color: var(--gray-400);
    font-size: 15px;
    line-height: 1.7;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: 600;
}

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

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

.footer-col a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
    font-size: 14px;
}

.footer-bottom p {
    color: var(--gray-500);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 3rem;
    }

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

    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

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

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

    .hero-stats {
        gap: 24px;
    }

    .features-grid,
    .use-cases-grid,
    .screenshots-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .container {
        padding: 0 16px;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }
}

/* Smooth Animations */
@media (prefers-reduced-motion: no-preference) {
    .feature-card,
    .screenshot-card,
    .use-case,
    .pricing-card,
    .support-card,
    .faq-item {
        animation: fadeInUp 0.6s ease-out;
    }
}

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