/* CSS Variables */
:root {
    --primary-blue: #2563eb;
    --primary-blue-dark: #1d4ed8;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --success-green: #22c55e;
    --premium-orange: #f97316;
    --text-dark: #1f2937;
    --text-muted: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--bg-white);
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

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

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s;
}

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

.lang-switch {
    background: var(--bg-light);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.lang-switch:hover {
    background: var(--primary-blue);
    color: white !important;
    border-color: var(--primary-blue);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(180deg, #eff6ff 0%, var(--bg-white) 100%);
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

.app-store-badge img {
    transition: transform 0.2s;
}

.app-store-badge:hover img {
    transform: scale(1.05);
}

.price-tag {
    font-weight: 600;
    color: var(--success-green);
    font-size: 1.125rem;
}

/* Hero Screenshot */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-screenshot {
    max-width: 320px;
    height: auto;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
}

/* Features Section */
.features {
    padding: 5rem 0;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: box-shadow 0.3s, transform 0.3s;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

/* App Preview Section */
.app-preview {
    padding: 4rem 0;
    background: var(--bg-light);
    overflow: hidden;
}

.app-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.app-preview-video-container {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.phone-mockup {
    width: 280px;
    aspect-ratio: 9 / 19.5;
    border-radius: 36px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
    border: 6px solid #1f2937;
    background: #000;
}

.phone-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 768px) {
    .phone-mockup {
        width: 220px;
        border-radius: 28px;
        border-width: 5px;
    }
}

.app-preview-wrapper {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.app-preview-wrapper::-webkit-scrollbar {
    display: none;
}

.app-preview-image {
    display: block;
    margin: 0 auto;
    max-width: 1100px;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

@media (max-width: 768px) {
    .app-preview h2 {
        font-size: 1.75rem;
    }

    .app-preview-image {
        max-width: none;
        width: 900px;
    }
}

/* Pricing Section */
.pricing {
    padding: 5rem 0;
    background: var(--bg-light);
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.pricing-card {
    max-width: 400px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--premium-orange);
    color: white;
    padding: 0.375rem 1.25rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
}

.pricing-amount {
    margin: 2rem 0;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: top;
}

.price {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
}

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

.cta-button {
    display: inline-block;
    background: var(--primary-gradient);
    color: white;
    padding: 1rem 3rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.125rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

/* Social Proof */
.social-proof {
    padding: 4rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.stat-label {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-brand .logo-icon {
    font-size: 2rem;
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-brand p {
    color: #9ca3af;
    margin-top: 0.5rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    color: #9ca3af;
}

.footer-column a {
    display: block;
    padding: 0.375rem 0;
    color: white;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
    font-size: 0.875rem;
}

.footer-note {
    margin-top: 0.5rem;
    font-size: 0.75rem;
}

/* Legal Pages */
.legal-page {
    padding: 8rem 0 4rem;
    min-height: 100vh;
}

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

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.legal-date {
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.legal-content p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.legal-content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: var(--text-muted);
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-content a {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* Support Page */
.support-page {
    padding: 8rem 0 4rem;
    min-height: 100vh;
    background: var(--bg-light);
}

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

.support-content h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.support-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.contact-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
}

.contact-card h2 {
    margin-bottom: 1rem;
}

.contact-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-gradient);
    color: white;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: transform 0.2s;
}

.contact-email:hover {
    transform: translateY(-2px);
}

.faq-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.faq-item {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.faq-answer {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-muted);
    display: none;
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-item.active .faq-answer {
    display: block;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

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

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

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

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        align-items: center;
    }

    .hero-image {
        order: -1;
    }

    .hero-screenshot {
        max-width: 280px;
    }

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

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .features h2,
    .pricing h2 {
        font-size: 1.75rem;
    }

    .pricing-card {
        padding: 2rem 1.5rem;
    }

    .price {
        font-size: 3rem;
    }
}