/*
 * MES Announcement Banner
 * Front-end priorities: native MES visual language, readable hierarchy,
 * restrained motion, keyboard usability, and predictable mobile behavior.
 */

.mesab-banner {
    --mesab-accent: #18699e;
    --mesab-heading: #252525;
    --mesab-text: #252525;
    --mesab-muted: #626c74;
    --mesab-surface: #f5f7f8;
    --mesab-border: #dce2e6;
    --mesab-radius: 10px;
    --mesab-ease: 0.3s ease-in-out;
}

.mesab-banner {
    position: fixed;
    z-index: 99990;
    right: max(12px, env(safe-area-inset-right));
    bottom: max(12px, env(safe-area-inset-bottom));
    left: max(12px, env(safe-area-inset-left));

    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    gap: clamp(0.75rem, 1.8vw, 2rem);
    align-items: center;

    max-width: 1500px;
    margin-inline: auto;
    padding: clamp(0.75rem, 1.1vw, 1.1rem) clamp(1rem, 2vw, 2rem);

    color: var(--mesab-text);
    background: var(--mesab-surface);
    border: 1px solid var(--mesab-border);
    border-top: 4px solid var(--mesab-accent);
    border-radius: var(--mesab-radius);
    box-shadow: 0 14px 34px rgba(18, 47, 70, 0.14);

    opacity: 0;
    visibility: hidden;
    transform: translateY(calc(100% + 36px));
    transition:
        opacity var(--mesab-ease),
        transform var(--mesab-ease),
        visibility 0s linear 0.3s;
}

.mesab-banner.is-visible,
.mesab-banner--preview {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
}

.mesab-banner.is-closing {
    pointer-events: none;
}

.mesab-banner--preview {
    position: absolute;
    z-index: 1;
}

.mesab-banner__icon {
    display: grid;
    width: clamp(52px, 4.5vw, 76px);
    aspect-ratio: 1;
    place-items: center;
    flex: 0 0 auto;
    background: #e6f1f9;
    border-radius: 50%;
}

.mesab-banner__icon img {
    display: block;
    width: 64%;
    height: auto;
}

.mesab-banner__copy {
    min-width: 0;
}

.mesab-banner__headline,
.mesab-banner__message {
    margin: 0;
}

.mesab-banner__headline {
    color: var(--mesab-heading);
    font-family: inherit;
    font-size: clamp(1.15rem, 1.6vw, 1.6rem);
    font-weight: 400;
    line-height: 1.15;
    text-wrap: balance;
}

.mesab-banner__message {
    margin-top: 0.3rem;
    color: var(--mesab-muted);
    font-size: clamp(0.9rem, 1vw, 1.05rem);
    line-height: 1.4;
}

.mesab-banner__cta {
    position: relative;
    top: 0;
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;

    padding: 0.6rem clamp(1.5rem, 5vw, 5.25rem);

    color: var(--mesab-accent);
    background: transparent;
    border: 2px solid var(--mesab-accent);
    border-radius: var(--mesab-radius);

    font-family: "League Gothic", sans-serif;
    font-size: clamp(0.95rem, 1.2vw, 1.3rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.025rem;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    white-space: nowrap;

    box-shadow: none;
    transition: all var(--mesab-ease);
}

.mesab-banner__cta:hover,
.mesab-banner__cta:focus-visible {
    color: #fff;
    background: var(--mesab-accent);
    text-decoration: none;
}

.mesab-banner__cta:active {
    top: 3px;
}

.mesab-banner__cta-arrow {
    display: inline-block;
    font-family: Arial, sans-serif;
    font-size: 1.35em;
    line-height: 0;
}

.mesab-banner__close {
    position: relative;
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    padding: 0;

    color: var(--mesab-muted);
    background: transparent;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    transition:
        color var(--mesab-ease),
        background-color var(--mesab-ease);
}

.mesab-banner__close span,
.mesab-banner__close span::after {
    position: absolute;
    width: 26px;
    height: 2px;
    content: "";
    background: currentColor;
    border-radius: 999px;
    transform: rotate(45deg);
}

.mesab-banner__close span::after {
    inset: 0;
    transform: rotate(90deg);
}

.mesab-banner__close:hover,
.mesab-banner__close:focus-visible {
    color: var(--mesab-heading);
    background: rgba(24, 105, 158, 0.09);
}

@media (max-width: 900px) {
    .mesab-banner {
        grid-template-columns: auto minmax(0, 1fr) auto;
    }

    .mesab-banner__close {
        grid-row: 1;
        grid-column: 3;
    }

    .mesab-banner__cta {
        grid-row: 2;
        grid-column: 2 / -1;
        justify-self: start;
    }
}

@media (max-width: 640px) {
    .mesab-banner {
        grid-template-columns: 48px minmax(0, 1fr);
        gap: 0.6rem 0.85rem;
        padding: 0.85rem;
    }

    .mesab-banner__icon {
        width: 48px;
        align-self: start;
    }

    .mesab-banner__headline {
        padding-right: 2.8rem;
    }

    .mesab-banner__message {
        font-size: 0.9rem;
    }

    .mesab-banner__cta {
        grid-column: 1 / -1;
        width: 100%;
        white-space: normal;
    }

    .mesab-banner__close {
        position: absolute;
        top: 0.6rem;
        right: 0.6rem;
        width: 44px;
        height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mesab-banner,
    .mesab-banner__cta,
    .mesab-banner__cta-arrow,
    .mesab-banner__close {
        scroll-behavior: auto;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .mesab-banner {
        display: none !important;
    }
}