/* =============================================================================
   Landing (index.html) + 404 error page
   Extracted from style.css (move-only).
   ============================================================================= */

/* ========================================
   LANDING PAGE (index.html)
   ======================================== */

body.landing-page {
    min-height: 100vh;
}

.landing-main {
    width: 100%;
    max-width: 72rem;
    margin: 0 auto;
    padding: calc(var(--auth-header-height) + 2rem) 1.5rem 3rem;
    box-sizing: border-box;
}

.landing-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 1rem;
}

.landing-header__brand {
    text-decoration: none;
    color: inherit;
    flex-shrink: 0;
    justify-self: start;
}

.landing-header .header-actions {
    justify-self: end;
}

.landing-header__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    flex: 1;
    min-width: 0;
    padding: 0 0.5rem;
}

.landing-header__nav-link {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-color-secondary, var(--secondary-color));
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.landing-header__nav-link:hover {
    color: var(--text-color);
}

.landing-header__nav-link--accent {
    color: var(--accent-color);
}

.landing-header__nav-link--accent:hover {
    color: var(--primary-color);
}

.landing-eyebrow {
    margin: 0 0 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.landing-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
    padding: 1.5rem 0 3.5rem;
}

.landing-hero__title {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: 0.02em;
    color: var(--text-color);
}

.landing-hero__title-accent {
    color: var(--accent-color);
}

.landing-hero__lead {
    margin: 0 0 0.75rem;
    font-size: 1.125rem;
    line-height: 1.55;
    color: var(--text-color);
    max-width: 34rem;
}

.landing-hero__sub {
    margin: 0 0 1.75rem;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--text-color-secondary, var(--secondary-color));
    max-width: 32rem;
}

.landing-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.landing-screenshot-placeholder {
    aspect-ratio: 16 / 10;
    min-height: 220px;
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    background: color-mix(in srgb, var(--bg-color) 72%, var(--border-color));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    box-sizing: border-box;
}

.landing-screenshot-placeholder--compact {
    min-height: 200px;
}

.landing-screenshot-placeholder__label {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-color-secondary, var(--secondary-color));
    text-align: center;
}

.landing-section {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
}

.landing-section--alt .landing-section__grid {
    background: color-mix(in srgb, var(--bg-color) 55%, transparent);
}

.landing-section__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2rem;
    align-items: center;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: color-mix(in srgb, var(--bg-color) 40%, transparent);
    box-sizing: border-box;
}

.landing-section__grid--reverse .landing-section__content {
    order: 2;
}

.landing-section__grid--reverse .landing-screenshot-placeholder {
    order: 1;
}

.landing-section__title {
    margin: 0 0 1.25rem;
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.02em;
}

.landing-benefits {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.65rem;
}

.landing-benefits li {
    position: relative;
    padding-left: 1.35rem;
    font-size: 0.9375rem;
    line-height: 1.45;
    color: var(--text-color);
}

.landing-benefits li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--accent-color);
    transform: translateY(-50%);
}

.landing-cta {
    padding: 3rem 0 1rem;
}

.landing-cta__inner {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 2rem 2.25rem;
    text-align: center;
    background: color-mix(in srgb, var(--bg-color) 65%, transparent);
}

.landing-cta__title {
    margin: 0 auto 1.5rem;
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-color);
    max-width: 36rem;
}

.landing-cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.landing-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem 2rem;
    background: color-mix(in srgb, var(--bg-color) 50%, transparent);
}

.landing-footer__inner {
    max-width: 72rem;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.landing-footer__copy {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--text-color-secondary, var(--secondary-color));
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.landing-footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
}

.landing-footer__nav a {
    font-size: 0.8125rem;
    color: var(--text-color-secondary, var(--secondary-color));
    text-decoration: none;
    transition: color 0.2s ease;
}

.landing-footer__nav a:hover {
    color: var(--text-color);
}

@media (max-width: 991px) {
    .landing-header__nav {
        display: none;
    }

    .landing-hero,
    .landing-section__grid {
        grid-template-columns: 1fr;
    }

    .landing-section__grid--reverse .landing-section__content,
    .landing-section__grid--reverse .landing-screenshot-placeholder {
        order: unset;
    }
}

@media (max-width: 575px) {
    .landing-main {
        padding: 1.25rem 1rem 2rem;
    }

    .landing-hero {
        padding: 0.5rem 0 2.5rem;
        gap: 1.5rem;
    }

    .landing-section__grid {
        padding: 1.25rem;
        gap: 1.25rem;
    }

    .landing-cta__inner {
        padding: 1.5rem 1.25rem;
    }

    .landing-footer__inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ===== 404 NOT FOUND ===== */
body.error-page .page-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

body.error-page .error-page__card {
    max-width: 440px;
    width: 100%;
}

.error-page__code {
    margin: 0 0 0.25rem;
    text-align: center;
    font-size: clamp(3.5rem, 14vw, 5.5rem);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--primary-color);
}

.error-page__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 0.5rem;
}

.error-page__actions .btn {
    min-width: 9rem;
}

a.header-logo {
    text-decoration: none;
    color: inherit;
}