@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-text: #111827;
    --color-text-secondary: #374151;
    --color-text-muted: #6b7280;
    --color-text-light: #9ca3af;
    --color-border: #e5e7eb;
    --color-primary: #6c5ce7;
    --color-primary-hover: #7c6cf7;
    --gradient: linear-gradient(135deg, #6c5ce7 0%, #a855f7 100%);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    font-weight: 400;
}

/* Nav */
.nav {
    padding: 1.25rem 2rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
}

.nav-logo-img {
    height: 36px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-links > a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
    transition: color 0.3s ease;
}

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

/* Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    text-align: center;
    padding: 4rem 2rem;
    background: url('../assets/hero-bg.png') center/cover no-repeat;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.75);
}

.hero-container {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero-headline {
    font-size: 2.75rem;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtext {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.store-badge img {
    height: 44px;
    transition: all 0.3s ease;
}

.store-badge:hover img {
    transform: translateY(-2px);
    filter: brightness(1.05);
}

.learn-more-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: var(--gradient);
    text-decoration: none;
    letter-spacing: var(--tracking-wide);
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.learn-more-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.45);
}

.learn-more-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
    font-size: 1.1em;
}

.learn-more-link:hover .learn-more-arrow {
    transform: translateX(4px);
}

/* Language switch */
.hero-lang-switch {
    display: flex;
    gap: 0.25rem;
}

.hero-lang {
    padding: 0.375rem 0.625rem;
    border-radius: 6px;
    text-decoration: none;
    color: var(--color-text-light);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
    transition: all 0.3s ease;
}

.hero-lang--active {
    background: rgba(108, 92, 231, 0.1);
    color: var(--color-primary);
}

.hero-lang:hover {
    color: var(--color-text);
}

/* Page content (sub-pages) */
.page-content {
    flex: 1;
    padding: 3rem 2rem 4rem;
}

.page-article {
    max-width: 680px;
    margin: 0 auto;
}

.page-article h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    line-height: 1.25;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.page-article h2 {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: var(--tracking-tight);
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.page-article h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: var(--tracking-normal);
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}

.page-article p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.75;
    font-size: 0.9375rem;
}

/* About page */
.about-products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0 2rem;
}

.about-product-card {
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-surface);
}

.about-product-card h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: none;
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.about-product-card p {
    font-size: 0.8125rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.partner-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
    margin: 0.75rem 0 1.5rem;
}

.partner-logos img {
    height: 44px;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.partner-logos img:hover {
    opacity: 1;
}

/* Footer */
.footer {
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.footer-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-inner p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    letter-spacing: var(--tracking-wide);
}

.footer-links {
    display: flex;
    gap: 1.25rem;
}

.footer-links a {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-text);
}

/* Contact page */
.contact-page {
    flex: 1;
}

.contact-hero {
    background: #fdf6ee;
    text-align: center;
    padding: 4rem 2rem 3rem;
}

.contact-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, #c8860a 0%, #b8760a 100%);
    color: #fff;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.contact-title {
    font-size: 2.75rem;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    line-height: 1.15;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.contact-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    max-width: 480px;
    margin: 0 auto;
}

.contact-intro {
    background: #fdf6ee;
    padding: 0 2rem 3rem;
}

.contact-intro-card {
    max-width: 720px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    padding: 2.5rem;
}

.contact-intro-card p {
    color: var(--color-text-light);
    font-size: 1rem;
    line-height: 1.8;
    margin: 0;
}

.contact-info-section {
    max-width: 720px;
    margin: 0 auto;
    padding: 3rem 2rem 2rem;
}

.contact-info-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail-block h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.contact-detail-block p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

.contact-detail-block p + p {
    margin-top: 0.25rem;
}

.contact-detail-block a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-detail-block a:hover {
    color: var(--color-primary-hover);
}

.contact-map-section {
    max-width: 720px;
    margin: 0 auto;
    padding: 1rem 2rem 4rem;
}

.contact-map-label {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

.contact-map-wrapper {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.contact-map-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    background: var(--gradient);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    letter-spacing: var(--tracking-wide);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
}

/* Hero logo */
.hero-logo {
    height: 56px;
    margin-bottom: 1.5rem;
    object-fit: contain;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 2rem;
    }

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

    .hero {
        padding: 3rem 1.5rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .footer-links {
        gap: 1rem;
    }

    .nav {
        padding: 1rem 1.25rem;
    }

    .page-content {
        padding: 2rem 1.25rem 3rem;
    }

    .page-article h1 {
        font-size: 1.5rem;
    }

    .about-products {
        grid-template-columns: 1fr;
    }

    .partner-logos {
        gap: 1.25rem;
    }

    .partner-logos img {
        height: 36px;
    }

    .contact-hero {
        padding: 3rem 1.25rem 2rem;
    }

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

    .contact-intro {
        padding: 0 1.25rem 2rem;
    }

    .contact-intro-card {
        padding: 1.5rem;
    }

    .contact-info-section,
    .contact-map-section {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}