html {
    scroll-behavior: smooth;
}

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

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: #fafaf5;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', sans-serif;
}

/* ── Container ── */

.container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Header ── */

.site-header {
    background: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #000;
}

.header-logo img {
    height: 32px;
    width: auto;
}

.header-logo span {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    color: rgba(0, 0, 0, 0.4);
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #000;
}

/* ── Hero ── */

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px 0 120px;
    background:
        radial-gradient(ellipse at 60% 20%, rgba(212, 245, 66, 0.55) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 80%, rgba(255, 220, 50, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 90%, rgba(180, 240, 100, 0.2) 0%, transparent 45%),
        #fafaf5;
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 600;
    color: #111;
    margin: 0;
    letter-spacing: -0.5px;
    text-align: center;
}

.hero-desc {
    font-size: 1rem;
    font-weight: 300;
    color: rgba(0, 0, 0, 0.5);
    margin: 0;
    text-align: center;
    max-width: 480px;
    line-height: 1.75;
}

/* ── Scroll Arrow ── */

.scroll-arrow {
    margin-top: 24px;
    color: rgba(0, 0, 0, 0.25);
    animation: bounce 2s ease-in-out infinite;
    text-decoration: none;
    display: flex;
}

.scroll-arrow svg {
    width: 28px;
    height: 28px;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(8px); }
}

/* ── Apps Section ── */

.apps-section {
    padding: 80px 0;
    background: #fff;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.section-title {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(0, 0, 0, 0.3);
    margin: 0 0 40px;
}

.apps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.app-card {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: #fafaf5;
    border-radius: 20px;
    padding: 28px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.app-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.07);
}

.app-icon {
    width: 80px;
    height: 80px;
    border-radius: 18px;
    flex-shrink: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.app-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.app-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #111;
    margin: 0;
    letter-spacing: 0.3px;
}

.app-desc {
    font-size: 0.85rem;
    font-weight: 300;
    color: rgba(0, 0, 0, 0.5);
    margin: 0;
    line-height: 1.65;
}

.store-buttons {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.store-btn {
    display: flex;
    align-items: center;
    opacity: 0.75;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.store-btn:hover {
    opacity: 1;
    transform: translateY(-1px);
}

.store-btn img {
    height: 34px;
    width: auto;
}

/* ── Contact Page ── */

.contact-hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 100px 0 120px;
    background:
        radial-gradient(ellipse at 60% 20%, rgba(212, 245, 66, 0.55) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 80%, rgba(255, 220, 50, 0.3) 0%, transparent 50%),
        #fafaf5;
    text-align: center;
}

.contact-hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.page-title {
    font-size: 2.2rem;
    font-weight: 600;
    color: #111;
    margin: 0;
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 0.9rem;
    font-weight: 300;
    color: rgba(0, 0, 0, 0.45);
    margin: 0;
    max-width: 400px;
    line-height: 1.7;
}

.contact-button {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    padding: 14px 32px;
    background: #d4f542;
    border: none;
    border-radius: 50px;
    color: #111;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.contact-button:hover {
    background: #c8e830;
    transform: translateY(-2px);
}

.mail-icon {
    width: 16px;
    height: 16px;
}

/* ── Footer ── */

.site-footer {
    background: #f0f0e8;
    border-top: 1px solid rgba(0, 0, 0, 0.07);
    padding: 48px 0 36px;
}

.site-footer .container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #111;
}

.footer-logo img {
    height: 24px;
    width: auto;
    filter: none;
    opacity: 0.8;
}

.footer-logo span {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.footer-tagline {
    font-size: 0.8rem;
    font-weight: 300;
    color: rgba(0, 0, 0, 0.4);
    margin: 0;
    letter-spacing: 0.5px;
}

.footer-copy {
    font-size: 0.7rem;
    color: rgba(0, 0, 0, 0.3);
    letter-spacing: 0.3px;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: flex-end;
}

.footer-link {
    font-size: 0.78rem;
    color: rgba(0, 0, 0, 0.35);
    text-decoration: none;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #111;
}

/* ── Responsive ── */

@media (min-width: 768px) {
    .site-header .container {
        height: 72px;
    }

    .header-logo img {
        height: 36px;
    }

    .header-logo span {
        font-size: 0.9rem;
    }

    .hero-title {
        font-size: 4.5rem;
    }

    .hero-desc {
        font-size: 1.05rem;
    }

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

    .app-icon {
        width: 96px;
        height: 96px;
    }

    .page-title {
        font-size: 3rem;
    }

    .contact-button {
        font-size: 0.9rem;
        padding: 16px 40px;
    }

    .mail-icon {
        width: 18px;
        height: 18px;
    }
}
