/* ==================== RESET & BASE STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FFB6C1;
    --secondary-color: #ADD8E6;
    --accent-color: #FF69B4;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--text-dark);
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

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

/* ==================== NAVIGATION ==================== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h2 {
    color: var(--accent-color);
    font-size: 1.5rem;
}

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

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

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

.language-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 182, 193, 0.3);
}

.language-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 182, 193, 0.5);
}

.language-btn:active {
    transform: translateY(0);
}

.language-flag-img {
    width: 1.25rem;
    height: auto;
    border-radius: 2px;
}

/* ==================== HERO SECTION ==================== */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #FFB6C1 0%, #ADD8E6 100%);
    color: var(--white);
}

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

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--white);
    color: var(--accent-color);
}

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

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--accent-color);
}

/* Phone Mockup */
.phone-mockup {
    max-width: 300px;
    margin: 0 auto;
    position: relative;
}

.phone-screen {
    background: var(--white);
    border-radius: 40px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 9/19;
}

.app-preview {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== FEATURES SECTION ==================== */
.features {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ==================== ABOUT SECTION ==================== */
.about {
    padding: 80px 0;
    background: var(--white);
}

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

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.about-feature-item svg {
    stroke: var(--accent-color);
    flex-shrink: 0;
}

.about-feature-item span {
    color: var(--text-dark);
    font-weight: 500;
}

.about-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 20px;
    padding: 3rem;
}

/* ==================== DOWNLOAD SECTION ==================== */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, #ADD8E6 0%, #FFB6C1 100%);
    color: var(--white);
    text-align: center;
}

.download-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download-content p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--white);
    color: var(--text-dark);
    padding: 1rem 2rem;
    border-radius: 15px;
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.download-btn svg {
    flex-shrink: 0;
}

.download-btn div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.download-label {
    font-size: 0.75rem;
    color: var(--text-light);
}

.download-store {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.download-note {
    margin-top: 2rem;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-brand h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-light);
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-column a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-light);
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

@media (max-width: 640px) {
    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

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

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

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

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