/* Terranet Fullpage Menu — frontend styles */

:root {
    --tfpm-bg: #0b0b0f;
    --tfpm-text: #ffffff;
    --tfpm-accent: #ff5a1f;
    --tfpm-speed: 350ms;
    --tfpm-font: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
}

/* ---------- Trigger (burger) ---------- */
.tfpm-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 0;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-family: var(--tfpm-font);
    font-weight: 600;
    font-size: 0.95rem;
    color: inherit;
    line-height: 1;
}

.tfpm-trigger:focus-visible {
    outline: 2px solid var(--tfpm-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.tfpm-burger {
    display: inline-flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
}

.tfpm-burger > span {
    display: block;
    height: 2px;
    width: 100%;
    background: currentColor;
    border-radius: 2px;
    transition: transform var(--tfpm-speed) ease, opacity var(--tfpm-speed) ease;
}

.tfpm-trigger[aria-expanded="true"] .tfpm-burger > span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
.tfpm-trigger[aria-expanded="true"] .tfpm-burger > span:nth-child(2) {
    opacity: 0;
}
.tfpm-trigger[aria-expanded="true"] .tfpm-burger > span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ---------- Overlay ---------- */
.tfpm-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--tfpm-bg);
    color: var(--tfpm-text);
    font-family: var(--tfpm-font);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    opacity: 0;
    transform: scale(0.98);
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity var(--tfpm-speed) ease,
        transform var(--tfpm-speed) ease,
        visibility 0s linear var(--tfpm-speed);
    overflow-y: auto;
    overscroll-behavior: contain;
}

.tfpm-overlay.is-open {
    opacity: 1;
    transform: scale(1);
    visibility: visible;
    pointer-events: auto;
    transition:
        opacity var(--tfpm-speed) ease,
        transform var(--tfpm-speed) ease,
        visibility 0s linear 0s;
}

body.tfpm-is-open {
    overflow: hidden;
}

.tfpm-overlay__inner {
    box-sizing: border-box;
    min-height: 100%;
    padding: clamp(1rem, 3vw, 2.5rem) clamp(1rem, 5vw, 4rem);
    display: flex;
    flex-direction: column;
}

.tfpm-overlay__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: clamp(1.5rem, 4vw, 3rem);
}

.tfpm-overlay__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 40px;
}

.tfpm-overlay__logo {
    max-height: 48px;
    width: auto;
    display: block;
}

.screen-reader-text {
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
    word-wrap: normal !important;
}

.tfpm-close {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 0;
    color: inherit;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 0.75rem;
    line-height: 1;
}

.tfpm-close:focus-visible {
    outline: 2px solid var(--tfpm-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.tfpm-close__icon {
    position: relative;
    width: 22px;
    height: 22px;
    display: inline-block;
}

.tfpm-close__icon > span {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
}

.tfpm-close__icon > span:nth-child(1) { transform: translateY(-50%) rotate(45deg); }
.tfpm-close__icon > span:nth-child(2) { transform: translateY(-50%) rotate(-45deg); }

/* ---------- Grid + items ---------- */
.tfpm-overlay__nav {
    flex: 1 1 auto;
    display: flex;
    align-items: flex-start;
}

.tfpm-overlay__grid {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0;
}

.tfpm-group {
    flex: 1 1 0;
    min-width: 0;
    padding: 0 clamp(1.25rem, 3vw, 2.5rem);
    border-left: 1px solid currentColor;
    border-color: color-mix(in srgb, currentColor 25%, transparent);
}
/* Fallback for browsers without color-mix support. */
@supports not (color: color-mix(in srgb, red, blue)) {
    .tfpm-group { border-left-color: rgba(255, 255, 255, 0.2); }
}

.tfpm-group:first-child {
    padding-left: 0;
    border-left: 0;
}
.tfpm-group:last-child {
    padding-right: 0;
}

.tfpm-group__columns {
    display: grid;
    grid-template-columns: repeat(var(--tfpm-group-cols, 1), minmax(0, 1fr));
    gap: clamp(1rem, 3vw, 2.5rem) clamp(1.25rem, 3vw, 2.5rem);
}

.tfpm-column {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tfpm-item {
    margin: 0;
    padding: 0;
}

.tfpm-item__link,
.tfpm-item__label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: inherit;
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color var(--tfpm-speed) ease, transform var(--tfpm-speed) ease;
}

.tfpm-item__link:hover,
.tfpm-item__link:focus-visible {
    color: var(--tfpm-accent);
    transform: translateX(4px);
    outline: none;
}

.tfpm-item__link:focus-visible {
    text-decoration: underline;
    text-underline-offset: 6px;
}

.tfpm-item__icon {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.tfpm-item__text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.tfpm-item__title {
    display: block;
    font-weight: 600;
    font-size: clamp(1rem, 1.6vw, 1.25rem);
    letter-spacing: 0.01em;
    line-height: 1.2;
}

.tfpm-item__subtitle {
    display: block;
    font-weight: 400;
    font-size: 0.875rem;
    opacity: 0.7;
    line-height: 1.35;
}

.tfpm-item--heading .tfpm-item__title {
    font-size: clamp(0.75rem, 1.2vw, 0.85rem);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    opacity: 0.55;
    font-weight: 700;
}

.tfpm-item--heading {
    margin-top: 1rem;
}
.tfpm-item--heading:first-child {
    margin-top: 0;
}

.tfpm-item--highlight .tfpm-item__title {
    color: var(--tfpm-accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .tfpm-group__columns {
        grid-template-columns: repeat(min(var(--tfpm-group-cols, 1), 3), minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .tfpm-group__columns {
        grid-template-columns: repeat(min(var(--tfpm-group-cols, 1), 2), minmax(0, 1fr));
        gap: 1.25rem 1.5rem;
    }
    .tfpm-item__title {
        font-size: 1.0625rem;
    }
}

@media (max-width: 768px) {
    /* Stack groups vertically; swap vertical divider for a horizontal one. */
    .tfpm-overlay__grid {
        flex-direction: column;
    }
    .tfpm-group {
        flex: 1 1 100%;
        width: 100%;
        padding: clamp(1rem, 4vw, 1.5rem) 0;
        border-left: 0;
        border-top: 1px solid currentColor;
        border-top-color: color-mix(in srgb, currentColor 25%, transparent);
    }
    @supports not (color: color-mix(in srgb, red, blue)) {
        .tfpm-group { border-top-color: rgba(255, 255, 255, 0.2); }
    }
    .tfpm-group:first-child {
        padding-top: 0;
        border-top: 0;
    }
    .tfpm-group:last-child {
        padding-bottom: 0;
    }
}

@media (max-width: 540px) {
    .tfpm-group__columns {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .tfpm-overlay__inner {
        padding: 1rem 1.25rem 2rem;
    }
    .tfpm-close__label,
    .tfpm-trigger__label {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tfpm-overlay,
    .tfpm-burger > span,
    .tfpm-item__link {
        transition: none;
    }
}