:root {
    --accent-gradient: linear-gradient(135deg, #3182f6 0%, #1b64da 100%);
}

main {
    min-height: calc(100vh - 72px);
    display: flex;
    justify-content: center;
}

.hero {
    width: 100%;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 120px 16px 80px;
}

.hero .container {
    max-width: 820px;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 900;
    letter-spacing: -1.2px;
    line-height: 1.1;
    margin-bottom: 18px;
}

.hero p {
    color: var(--text-secondary);
    font-size: clamp(1rem, 2.8vw, 1.125rem);
    margin: 0 auto 28px;
    max-width: 640px;
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: 12px;
    border: 1px solid var(--primary-color);
    background: var(--primary-color);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 8px 20px rgba(49, 130, 246, 0.22);
}

.primary-btn:hover {
    transform: translateY(-2px);
    background: var(--primary-hover);
    color: #fff;
}

.store-row {
    margin-top: 18px;
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.store-btn,
.smart-store {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: transform 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.smart-store {
    background: var(--card-bg);
    box-shadow: 0 6px 16px rgba(25, 31, 40, 0.08);
}

.store-btn:hover,
.smart-store:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.app-footer {
    position: static;
}

@media (max-width: 768px) {
    main {
        min-height: calc(100vh - 68px);
    }

    .hero {
        padding: 100px 16px 64px;
    }

    .primary-btn {
        width: 100%;
        max-width: 320px;
    }

    .store-row {
        width: 100%;
        max-width: 360px;
        justify-content: center;
    }

    .store-btn,
    .smart-store {
        flex: 1 1 100%;
        justify-content: center;
    main {
        min-height: calc(100vh - 64px);
    }

    }
}

@media (max-width: 480px) {
    .hero {
        padding: 88px 12px 56px;
    }

    .hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}