:root {
    --primary-color: #D32F2F;
    --primary-dark: #B71C1C;
    --secondary-color: #FFF1F2;
    --text-color: #111827;
    --text-light: #4B5563;
    --bg-color: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --white: #FFFFFF;
    --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);
    --max-width: 1200px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.logo img {
    height: 40px;
    margin-right: 12px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a:not(.btn-primary):hover {
    color: var(--primary-color);
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700 !important;
    transition: all 0.2s;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* Language Selector */
.lang-select {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.1);
    background-color: var(--white);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
}

.lang-select:hover {
    border-color: var(--primary-color);
}

.lang-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(211, 47, 47, 0.1);
}

/* Hero Section */
.hero {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 100%);
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-color);
    letter-spacing: -1.5px;
    font-weight: 800;
}

.hero-text .highlight {
    color: var(--primary-color);
    position: relative;
    white-space: nowrap;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 540px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.store-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #000;
    color: #fff;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 600;
}

.store-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    opacity: 0.9;
}

.store-badge.app-store {
    background: #000;
}

.store-badge.play-store {
    background: #000;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-frame {
    position: relative;
    z-index: 1;
    border: 12px solid #111;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    background: #000;
    max-width: 320px;
}

.phone-frame img {
    display: block;
    width: 100%;
    height: auto;
}

/* Features */
.features {
    padding: 100px 0;
    background-color: var(--white);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 800;
    letter-spacing: -1px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.03);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 24px;
    display: inline-block;
}

.feature-card h3 {
    margin-bottom: 12px;
    color: var(--text-color);
    font-size: 1.25rem;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-light);
    font-size: 1rem;
}

/* App Showcase */
.app-showcase {
    padding: 80px 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.showcase-item {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}

.showcase-item:last-child {
    margin-bottom: 0;
}

.showcase-item.reverse {
    flex-direction: row-reverse;
}

.showcase-text {
    flex: 1;
}

.showcase-text h3 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -1px;
}

.showcase-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.7;
}

.showcase-img {
    flex: 1;
    display: flex;
    justify-content: center;
}

.showcase-img img {
    max-width: 300px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 8px solid #fff;
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    text-align: center;
    background: var(--secondary-color);
    position: relative;
}

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: 24px;
    font-weight: 800;
    letter-spacing: -1px;
}

.cta-section p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons.center {
    justify-content: center;
}

/* Footer */
footer {
    background-color: #111;
    color: #9CA3AF;
    padding: 60px 0;
    border-top: 1px solid #222;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-weight: 700;
    font-size: 1.25rem;
}

.small-logo {
    height: 32px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: #9CA3AF;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--text-color);
    transition: 0.3s;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-text h1 {
        font-size: 3rem;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav {
        height: 70px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    /* Style selector in mobile menu */
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    .lang-select {
        width: 100%;
        margin-top: 10px;
        text-align: center;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        padding-top: 20px;
    }

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

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .cta-buttons {
        justify-content: center;
    }
    
    .hero-image {
        margin-top: 40px;
    }
    
    .phone-frame {
        max-width: 280px;
    }

    .showcase-item, .showcase-item.reverse {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .showcase-text h3 {
        font-size: 2rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .pro-features-grid {
        grid-template-columns: 1fr;
    }
    
    .pro-showcase {
        flex-direction: column;
    }
    
    .pro-pricing {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card {
        width: 100%;
        max-width: 300px;
    }
}

/* Pro Section */
.pro-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #FFF5F5 0%, #FFFFFF 100%);
}

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

.pro-badge {
    display: inline-block;
    background: linear-gradient(135deg, #D32F2F 0%, #FF5252 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.pro-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.pro-header p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.pro-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.pro-feature-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(211, 47, 47, 0.1);
    transition: all 0.3s ease;
}

.pro-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(211, 47, 47, 0.2);
}

.pro-feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.pro-feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-color);
}

.pro-feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.pro-showcase {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
}

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

.phone-frame.small {
    max-width: 240px;
    border-width: 8px;
    border-radius: 32px;
}

.pro-showcase-caption {
    margin-top: 16px;
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 500;
}

.pro-pricing {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.pricing-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    min-width: 220px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08);
}

.best-value {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.pricing-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 12px;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 8px;
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
}

.pricing-card p {
    font-size: 0.9rem;
    color: var(--text-light);
}

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