/* Compare Versions — logged-out landing page */

:root {
    --landing-gap-xl: 160px;
    --landing-gap-lg: 80px;
    --landing-gap-md: 40px;
    --landing-gap-sm: 20px;
    --landing-gap-xs: 10px;
    --landing-inner-width: 1100px;
    --landing-inner-pad: 1.25rem;
}

body.landing-page .intro_container.landing_container {
    width: 100%;
    max-width: none;
    padding: 0;
}

.landing_inner {
    width: min(var(--landing-inner-width), 100%);
    max-width: var(--landing-inner-width);
    margin: 0 auto;
    padding: 0 var(--landing-inner-pad);
}

/* —— Full-width nav —— */
.landing_nav_bar {
    position: relative;
    top: auto;
    z-index: 50;
    width: 100%;
    background: color-mix(in srgb, var(--color-bg) 95%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.landing_nav {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--landing-gap-sm);
    padding: var(--landing-gap-sm) 0;
}

.landing_nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-heading);
    text-decoration: none;
}

.landing_nav__logo {
    display: block;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.landing_nav__brand:hover {
    color: var(--color-link);
}

.landing_nav__links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--landing-gap-xs) var(--landing-gap-sm);
    font-size: 0.9375rem;
    font-weight: 600;
}

.landing_nav__link {
    color: var(--color-text-muted);
    text-decoration: none;
}

.landing_nav__link:hover {
    color: var(--color-link);
}

.landing_nav__auth {
    display: flex;
    align-items: center;
    gap: var(--landing-gap-sm);
    font-size: 0.9375rem;
    font-weight: 600;
}

.landing_nav__login {
    color: var(--color-text-muted);
    text-decoration: none;
}

.landing_nav__login:hover {
    color: var(--color-link);
}

.landing_nav__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.25rem;
    padding: 0.4rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-on-cta);
    background: var(--color-cta);
    border: 1px solid var(--color-cta);
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.landing_nav__cta:hover {
    background: var(--color-cta-hover);
    border-color: var(--color-cta-hover);
    color: var(--color-on-cta);
}

.landing_nav__user {
    color: var(--color-text-muted);
    font-weight: 600;
}

.landing_nav__user strong {
    color: var(--color-text);
    font-weight: 700;
}

.landing_nav__sep {
    color: var(--color-text-muted);
}

.landing_nav__logout {
    display: inline;
    margin: 0;
}

.landing_nav__logout .landing_nav__cta {
    min-height: auto;
    padding: 0;
    font: inherit;
    font-weight: 600;
    color: #c00;
    background: none;
    border: none;
    border-radius: 0;
    cursor: pointer;
}

.landing_nav__logout .landing_nav__cta:hover {
    background: none;
    border-color: transparent;
    color: #c00;
    text-decoration: underline;
}

.landing_nav__panel {
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: space-between;
    gap: var(--landing-gap-sm);
    min-width: 0;
}

.landing_nav__toggle {
    display: none;
}

.app-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

body.intro-page .app-header {
    padding: 0.75rem 1.25rem 1rem;
}

.app-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    justify-content: center;
    font-weight: 600;
    font-size: 1.0625rem;
}

.app-menu a {
    text-decoration: none;
    color: #1062ae;
}

.app-menu a.active_menu_link {
    color: #c00;
}

.app-menu__group {
    position: relative;
}

.app-menu__group::after {
    content: "";
    position: absolute;
    top: 100%;
    left: -0.75rem;
    right: -0.75rem;
    height: 0.75rem;
}

.app-menu__group > a::after {
    content: " ▼";
    font-size: 0.85em;
    vertical-align: 0.05em;
    color: #475569;
}

.app-menu__submenu {
    display: none;
    position: absolute;
    top: calc(100% + 0.2rem);
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    min-width: 11rem;
    padding: 0.35rem 0;
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 0.35rem;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
    font-size: 0.9375rem;
    font-weight: 600;
}

.app-menu__group:hover .app-menu__submenu,
.app-menu__group:focus-within .app-menu__submenu {
    display: block;
}

.app-menu__submenu::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -0.35rem;
    height: 0.35rem;
}

.app-menu__submenu a {
    display: block;
    padding: 0.4rem 1rem;
    white-space: nowrap;
}

.app-menu__submenu a:hover {
    background: #f1f5f9;
}

/* Hero —— */
.landing_hero {
    text-align: center;
    padding: var(--landing-gap-lg) 0 var(--landing-gap-xl);
}

.landing_chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--landing-gap-xs);
    margin: 0 0 var(--landing-gap-md);
}

.landing_chip {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
    border-radius: 999px;
}

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

.landing_hero h1 {
    margin: 0 auto var(--landing-gap-sm);
    max-width: 20ch;
    font-size: clamp(1.75rem, 4.5vw, 2.625rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--color-heading);
}

.landing_hero__sub {
    margin: 0 auto var(--landing-gap-md);
    max-width: 40rem;
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--color-text-muted);
}

.landing_hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--landing-gap-sm);
    margin-bottom: var(--landing-gap-xs);
}

.landing_hero__actions .intro_btn {
    width: auto;
    min-width: 10.5rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.landing_hero__note {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.landing_hero__visual {
    margin-top: var(--landing-gap-md);
}

.landing_hero__img,
.landing_feature__img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    cursor: zoom-in;
}

/* —— Placeholder images —— */
.landing_ph {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background: var(--color-placeholder-bg);
    border: 1px dashed var(--color-placeholder-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.landing_ph__inner {
    max-width: 28rem;
    padding: 1.5rem;
    text-align: center;
}

.landing_ph__tag {
    display: inline-block;
    margin-bottom: var(--landing-gap-xs);
    padding: 0.2rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: var(--color-bg-section-b);
    border-radius: 4px;
}

.landing_ph__file {
    display: block;
    margin-bottom: var(--landing-gap-xs);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    color: var(--color-text);
    word-break: break-all;
}

.landing_ph__title {
    margin: 0 0 var(--landing-gap-xs);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-heading);
}

.landing_ph__hint {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--color-text-muted);
}

/* —— Sections (contained) —— */
.landing_section--major {
    padding-block: calc(var(--landing-gap-xl) / 2);
}

body.landing-page main > section.landing_section--major:first-of-type {
    padding-top: 0;
    padding-bottom: var(--landing-gap-xl);
}

body.landing-page main > section[aria-labelledby="landing-feature-diff-title"] {
    padding-top: var(--landing-gap-xl);
}

body.landing-page main > section[aria-labelledby="landing-feature-email-title"] {
    padding-bottom: var(--landing-gap-xl);
}

body.landing-page main > section[aria-labelledby="landing-audience-title"] {
    padding-top: var(--landing-gap-xl);
    padding-bottom: var(--landing-gap-xl);
}

.landing_section__head {
    text-align: center;
    margin-bottom: var(--landing-gap-md);
}

.landing_section__head h2 {
    margin: 0 0 var(--landing-gap-sm);
    font-size: clamp(1.375rem, 3vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-heading-h2);
}

.landing_section__head p {
    margin: 0 auto;
    max-width: 36rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.landing_section__foot {
    margin: var(--landing-gap-md) 0 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* —— Full-width bands —— */
.landing_band {
    width: 100%;
    padding: var(--landing-gap-xl) 0;
}

.landing_band--soft {
    background: var(--color-bg-section-b);
    border-top: 1px solid color-mix(in srgb, var(--color-primary) 12%, var(--color-border));
    border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 12%, var(--color-border));
}

.landing_band--accent {
    background:
        radial-gradient(ellipse 70% 80% at 20% 50%, color-mix(in srgb, var(--color-on-primary) 10%, transparent), transparent),
        radial-gradient(ellipse 60% 70% at 85% 30%, color-mix(in srgb, var(--color-on-primary) 8%, transparent), transparent),
        linear-gradient(
            135deg,
            color-mix(in srgb, var(--color-primary) 85%, black) 0%,
            var(--color-primary) 50%,
            color-mix(in srgb, var(--color-primary) 75%, white) 100%
        );
}

.landing_band--cta {
    background:
        radial-gradient(ellipse 80% 60% at 50% 100%, color-mix(in srgb, var(--color-primary) 12%, transparent), transparent),
        var(--color-bg-section-a);
    border-top: 1px solid color-mix(in srgb, var(--color-primary) 10%, var(--color-border));
}

.landing_section__head--on-dark h2 {
    color: var(--color-on-primary);
}

.landing_section__head--on-dark p {
    color: color-mix(in srgb, var(--color-on-primary) 88%, transparent);
}

/* Trust strip */
.landing_trust {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--landing-gap-sm);
}

.landing_trust__card {
    padding: var(--landing-gap-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.landing_trust__card h3 {
    margin: 0 0 var(--landing-gap-xs);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-heading);
}

.landing_trust__card p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--color-text-muted);
}

/* Steps */
.landing_steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--landing-gap-sm);
}

.landing_step {
    padding: var(--landing-gap-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.landing_step__num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    margin-bottom: var(--landing-gap-sm);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-radius: 50%;
}

.landing_step h3 {
    margin: 0 0 var(--landing-gap-xs);
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-heading);
}

.landing_step p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--color-text-muted);
}

/* Feature rows */
.landing_feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--landing-gap-lg);
    align-items: center;
}

.landing_feature--reverse .landing_feature__copy {
    order: 2;
}

.landing_feature--reverse .landing_feature__media {
    order: 1;
}

.landing_feature__copy h2 {
    margin: 0 0 var(--landing-gap-sm);
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: var(--color-heading-h2);
}

.landing_feature__copy > p {
    margin: 0 0 var(--landing-gap-sm);
    line-height: 1.6;
    color: var(--color-text-muted);
}

.landing_feature__list {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--color-text);
    line-height: 1.7;
}

.landing_feature__list li {
    margin-bottom: var(--landing-gap-xs);
}

.landing_feature__demo {
    margin: 1.25rem 0 0;
}

.landing_feature__demo-btn {
    display: inline-flex;
    width: auto;
    min-width: 10.5rem;
}

/* Pricing band */
.landing_pricing__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--landing-gap-sm);
    margin-top: var(--landing-gap-md);
}

.landing_pricing__actions .intro_btn {
    width: auto;
    min-width: 9rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.landing_pricing__example {
    margin: var(--landing-gap-sm) 0 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: color-mix(in srgb, var(--color-on-primary) 92%, transparent);
}

.intro_btn--on-dark {
    color: var(--color-cta);
    background-color: var(--color-surface);
    border-color: var(--color-surface);
}

.intro_btn--on-dark:hover {
    color: var(--color-cta-hover);
    background-color: var(--color-bg-section-b);
    border-color: var(--color-bg-section-b);
}

.intro_btn--on-dark-outline {
    color: var(--color-on-primary);
    background-color: transparent;
    border-color: color-mix(in srgb, var(--color-on-primary) 65%, transparent);
}

.intro_btn--on-dark-outline:hover {
    color: var(--color-on-primary);
    background-color: color-mix(in srgb, var(--color-on-primary) 12%, transparent);
    border-color: var(--color-on-primary);
}

/* Audience cards */
.landing_audience {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--landing-gap-sm);
}

.landing_audience__card {
    padding: var(--landing-gap-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.landing_audience__card h3 {
    margin: 0 0 var(--landing-gap-xs);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-heading);
}

.landing_audience__card p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--color-text-muted);
}

/* Final CTA band */
.landing_final {
    text-align: center;
    max-width: 36rem;
    margin: 0 auto;
}

.landing_final h2 {
    margin: 0 0 var(--landing-gap-sm);
    font-size: clamp(1.375rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--color-heading-h2);
}

.landing_final p {
    margin: 0 0 var(--landing-gap-md);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.landing_final__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--landing-gap-sm);
}

.landing_final__actions .intro_btn {
    width: auto;
    min-width: 9rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

@media (min-width: 769px) {
    .landing_nav {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
        align-items: center;
        column-gap: var(--landing-gap-sm);
    }

    .landing_nav__brand {
        justify-self: start;
        min-width: 0;
    }

    .landing_nav .landing_nav__panel {
        display: contents;
    }

    .landing_nav .landing_nav__links,
    .landing_nav .landing_nav__auth {
        flex-direction: row;
        align-items: center;
        width: auto;
        gap: var(--landing-gap-sm);
    }

    .landing_nav .landing_nav__links {
        justify-self: center;
        justify-content: center;
    }

    .landing_nav .landing_nav__auth {
        justify-self: end;
        justify-content: flex-end;
        min-width: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --landing-gap-xl: 80px;
        --landing-gap-lg: 40px;
    }

    .landing_nav {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        text-align: left;
    }

    body.landing-nav-open {
        overflow: hidden;
    }

    .landing_nav .landing_nav__toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 2.75rem;
        height: 2.75rem;
        margin-left: auto;
        padding: 0;
        border: 0;
        border-radius: var(--radius-sm);
        background: transparent;
        color: var(--color-cta);
        cursor: pointer;
    }

    .landing_nav .landing_nav__toggle:focus-visible {
        outline: 2px solid var(--color-cta);
        outline-offset: 2px;
    }

    .landing_nav__toggle-bars,
    .landing_nav__toggle-bars::before,
    .landing_nav__toggle-bars::after {
        display: block;
        width: 1.15rem;
        height: 2px;
        background: currentColor;
        border-radius: 1px;
        position: relative;
    }

    .landing_nav__toggle-bars::before,
    .landing_nav__toggle-bars::after {
        content: '';
        position: absolute;
        left: 0;
    }

    .landing_nav__toggle-bars::before {
        top: -6px;
    }

    .landing_nav__toggle-bars::after {
        top: 6px;
    }

    .landing_nav.is-open .landing_nav__toggle-bars {
        background: transparent;
    }

    .landing_nav.is-open .landing_nav__toggle-bars::before {
        top: 0;
        transform: rotate(45deg);
    }

    .landing_nav.is-open .landing_nav__toggle-bars::after {
        top: 0;
        transform: rotate(-45deg);
    }

    .landing_nav .landing_nav__panel {
        display: none;
        flex: 1 0 100%;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: var(--landing-gap-sm);
        width: 100%;
        padding: 0.25rem 0 0.75rem;
        border-top: 1px solid var(--color-border);
        margin-top: 0.35rem;
    }

    .landing_nav.is-open .landing_nav__panel {
        display: flex;
    }

    .landing_nav .landing_nav__links,
    .landing_nav .landing_nav__auth {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        justify-content: flex-start;
        gap: 0;
        order: 0;
    }

    .landing_nav .landing_nav__link,
    .landing_nav .landing_nav__login,
    .landing_nav .landing_nav__user,
    .landing_nav .landing_nav__cta {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 2.75rem;
        padding: 0.5rem 0.75rem;
        text-align: center;
    }

    .landing_nav .landing_nav__sep {
        display: none;
    }

    .landing_nav .landing_nav__logout {
        display: block;
        width: 100%;
    }

    .landing_nav .landing_nav__cta {
        margin-top: 0.25rem;
        width: 100%;
        box-sizing: border-box;
    }

    .landing_nav .landing_nav__logout .landing_nav__cta {
        min-height: 2.75rem;
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
        color: var(--color-on-cta);
        background: var(--color-cta);
        border: 1px solid var(--color-cta);
        border-radius: var(--radius-sm);
    }

    .landing_nav .landing_nav__logout .landing_nav__cta:hover {
        background: var(--color-cta-hover);
        border-color: var(--color-cta-hover);
        color: var(--color-on-cta);
        text-decoration: none;
    }

    .landing_feature {
        grid-template-columns: 1fr;
        gap: var(--landing-gap-md);
    }

    .landing_feature--reverse .landing_feature__copy,
    .landing_feature--reverse .landing_feature__media {
        order: unset;
    }

    .landing_hero h1 {
        max-width: none;
    }
}