:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --text-dark: #2D3436;
    --text-light: #636E72;
    --bg-light: #FFF9E6;
    --bg-white: #FFFFFF;
    --gradient: linear-gradient(135deg, #FF6B6B 0%, #4ECDC4 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

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

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

.logo img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

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

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

.lang-switch {
    padding: 6px 16px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    color: var(--primary-color) !important;
    font-size: 14px;
}

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

.btn-primary {
    background: var(--gradient);
    color: white !important;
    padding: 10px 24px;
    border-radius: 24px;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, #FFF 100%);
}

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

.hero-text h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

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

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

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.store-button {
    display: inline-block;
    transition: transform 0.3s;
}

.store-button:hover {
    transform: translateY(-4px);
}

.store-button img {
    height: 54px;
}

.hero-note {
    color: var(--text-light);
    font-size: 14px;
}

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

.phone-mockup {
    max-width: 320px;
    height: auto;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

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

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

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.feature-card {
    position: relative;
    padding: 40px 32px;
    background: var(--bg-white);
    border-radius: 24px;
    border: 2px solid #F0F0F0;
    transition: all 0.3s;
}

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

.feature-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 48px;
    font-weight: 800;
    color: #F0F0F0;
}

.feature-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

.app-preview {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.preview-image {
    max-width: 280px;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s;
}

.preview-image:hover {
    transform: scale(1.05);
}

/* Gallery Section */
.gallery {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, #FFF 100%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: transform 0.3s;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Why Section */
.why-section {
    padding: 100px 0;
    background: var(--bg-white);
}

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

.why-card {
    padding: 40px;
    background: var(--bg-light);
    border-radius: 24px;
    transition: all 0.3s;
}

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

.why-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.why-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.why-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient);
    color: white;
}

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

.cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.cta-section .gradient-text {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

/* Footer */
.footer {
    padding: 60px 0 40px;
    background: var(--text-dark);
    color: white;
}

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

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 16px;
    }

    .nav-links a:not(.btn-primary) {
        display: none;
    }

    .hero {
        padding: 40px 0;
    }

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

    .hero-text h1 {
        font-size: 36px;
    }

    .hero-description {
        font-size: 16px;
    }

    .phone-mockup {
        max-width: 280px;
    }

    .section-title {
        font-size: 32px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .app-preview {
        flex-direction: column;
        align-items: center;
    }

    .preview-image {
        max-width: 240px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 16px;
    }

    .why-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .cta-content h2 {
        font-size: 32px;
    }

    .cta-content p {
        font-size: 16px;
    }

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

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .store-button img {
        height: 48px;
    }
}