/* ============================================================
   NTM Masthead — Figma redesign

   Dark topbar strip + white sticky editorial nav with three
   hover mega-menus. Mobile burger menu with accordion sub-groups.
   Loaded by templates/public/ntm/common/_masthead.html.twig.
   ============================================================ */

:root {
    --ntm-mast-white: #ffffff;
    --ntm-mast-ink: #14110f;
    --ntm-mast-cyan: #00a7b5;
    --ntm-mast-cyan-deep: #007e89;
    --ntm-mast-gray: #6b6660;
    --ntm-mast-line: #e8e1d6;
    --ntm-mast-radius: 14px;
    --ntm-mast-shadow: 0 28px 70px -18px rgba(20, 17, 15, 0.28);
}

/* ---- TOPBAR ---- */
.ntm-topbar {
    background: var(--ntm-mast-ink);
    color: var(--ntm-mast-white);
    text-align: center;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 13.5px;
    letter-spacing: 0.01em;
    padding: 10px 16px;
    position: relative;
    z-index: 101;
}
.ntm-topbar__link {
    color: var(--ntm-mast-white);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.ntm-topbar__link:hover,
.ntm-topbar__link:hover .ntm-topbar__cta {
    color: var(--ntm-mast-cyan);
    text-decoration: none;
}
.ntm-topbar__lead { color: rgba(255, 255, 255, 0.78); }
.ntm-topbar__cta {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.18s ease;
}
.ntm-topbar__arr { transition: transform 0.2s ease; }
.ntm-topbar__link:hover .ntm-topbar__arr { transform: translateX(4px); }

@media (max-width: 640px) {
    .ntm-topbar { font-size: 12.5px; padding: 9px 14px; }
    .ntm-topbar__lead { display: none; }
}

/* ---- STICKY HEADER ---- */
.ntm-site-header {
    background: var(--ntm-mast-white);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--ntm-mast-line);
    font-family: 'Inter', system-ui, sans-serif;
}
.ntm-nav-bar {
    max-width: 1340px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0 40px;
    height: 80px;
}
.ntm-nav-left {
    display: flex;
    align-items: center;
    gap: 34px;
}
.ntm-nav-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 28px;
}

/* ---- WORDMARK ---- */
.ntm-wordmark { text-align: center; }
.ntm-wordmark__link {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 600;
    font-size: 27px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--ntm-mast-ink);
    text-decoration: none;
}
.ntm-wordmark__link:hover { text-decoration: none; color: var(--ntm-mast-ink); }
.ntm-wordmark__accent { color: var(--ntm-mast-cyan); }

/* ---- NAV ITEMS / LINKS ---- */
.ntm-nav-item { position: relative; }
.ntm-nav-link {
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    color: var(--ntm-mast-ink);
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 30px 0;
    transition: color 0.18s ease;
}
.ntm-nav-link:hover { color: var(--ntm-mast-cyan-deep); text-decoration: none; }
.ntm-nav-link--solo { padding: 30px 0; }

.ntm-chev {
    width: 8px;
    height: 8px;
    border-right: 1.7px solid currentColor;
    border-bottom: 1.7px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.25s ease;
    opacity: 0.55;
    display: inline-block;
}
.ntm-nav-item:hover .ntm-nav-link .ntm-chev {
    transform: rotate(225deg) translateY(-2px);
}

.ntm-login-link {
    font-size: 14.5px;
    font-weight: 500;
    color: var(--ntm-mast-gray);
    text-decoration: none;
}
.ntm-login-link:hover { color: var(--ntm-mast-ink); text-decoration: none; }
.ntm-join-btn {
    background: var(--ntm-mast-ink);
    color: var(--ntm-mast-white);
    font-size: 14.5px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 999px;
    text-decoration: none;
    transition: background 0.2s ease;
}
.ntm-join-btn:hover {
    background: var(--ntm-mast-cyan-deep);
    color: var(--ntm-mast-white);
    text-decoration: none;
}

/* ---- MEGA-MENUS ---- */
.ntm-mega {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--ntm-mast-white);
    border-radius: var(--ntm-mast-radius);
    box-shadow: var(--ntm-mast-shadow);
    border: 1px solid var(--ntm-mast-line);
    padding: 30px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
    z-index: 200;
}
.ntm-nav-item:hover .ntm-mega,
.ntm-nav-item:focus-within .ntm-mega {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}
.ntm-mega--stories { width: 620px; }
.ntm-mega--interviews { width: 620px; }
.ntm-mega--podcast { width: 760px; }

.ntm-mega__grid { display: grid; gap: 30px; align-items: start; }
.ntm-mega__grid--stories { grid-template-columns: 1.2fr 1fr; }
.ntm-mega__grid--interviews { grid-template-columns: 1.2fr 1fr; }
.ntm-mega__grid--podcast { grid-template-columns: 1fr 1.15fr; }

/* Single-card megas (Stories, Interviews): wider, shorter image so the
   card doesn't dominate the panel vertically. */
.ntm-mega--stories .ntm-pcard__img,
.ntm-mega--interviews .ntm-pcard__img {
    aspect-ratio: 4 / 3;
}

/* ---- FEATURED CARDS ---- */
.ntm-pcard {
    text-decoration: none;
    color: var(--ntm-mast-ink);
    display: block;
}
.ntm-pcard:hover { text-decoration: none; color: var(--ntm-mast-ink); }
.ntm-pcard__img {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 11px;
    position: relative;
    overflow: hidden;
    margin-bottom: 14px;
    background: var(--ntm-mast-line);
}
.ntm-pcard__img-el,
.ntm-pcard__img-fill {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.ntm-pcard__tag {
    position: absolute;
    top: 13px;
    left: 13px;
    font-size: 10.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    background: var(--ntm-mast-white);
    color: var(--ntm-mast-cyan-deep);
    padding: 5px 11px;
    border-radius: 999px;
    z-index: 2;
}
.ntm-pcard__title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.12;
    margin-bottom: 8px;
}
.ntm-pcard--feat .ntm-pcard__title { font-size: 20px; }
.ntm-pcard__sub {
    font-size: 13px;
    color: var(--ntm-mast-gray);
    line-height: 1.45;
    margin-bottom: 10px;
}
.ntm-pcard__link {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--ntm-mast-cyan-deep);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.ntm-pcard__arr { transition: transform 0.2s ease; }
.ntm-pcard:hover .ntm-pcard__arr { transform: translateX(4px); }

/* ---- RECENT COLUMN ---- */
.ntm-recent-col {
    border-left: 1px solid var(--ntm-mast-line);
    padding-left: 30px;
    height: 100%;
}
.ntm-recent-col__head {
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--ntm-mast-cyan-deep);
    margin-bottom: 10px;
}
.ntm-recent-item {
    display: flex;
    gap: 14px;
    align-items: center;
    text-decoration: none;
    color: var(--ntm-mast-ink);
    padding: 13px 0;
    border-bottom: 1px solid var(--ntm-mast-line);
}
.ntm-recent-item:last-child { border-bottom: none; }
.ntm-recent-item:hover { text-decoration: none; }
.ntm-recent-item:hover .ntm-recent-item__text { color: var(--ntm-mast-cyan-deep); }
.ntm-recent-item__thumb {
    width: 56px;
    height: 56px;
    border-radius: 9px;
    flex-shrink: 0;
    overflow: hidden;
    background: var(--ntm-mast-line);
}
.ntm-recent-item__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.ntm-recent-item__text {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 15.5px;
    font-weight: 500;
    line-height: 1.22;
    color: var(--ntm-mast-ink);
    transition: color 0.18s ease;
}
.ntm-recent-item--empty {
    font-family: inherit;
    font-size: 13px;
    color: var(--ntm-mast-gray);
    padding: 13px 0;
}

/* ---- GRADIENT PLACEHOLDERS (used when no image is available) ---- */
.ntm-g1 { background: linear-gradient(150deg, #d6ebed, #a3d0d6); }
.ntm-g2 { background: linear-gradient(150deg, #f0e7d7, #e0d0b4); }
.ntm-g3 { background: linear-gradient(150deg, #cbe5e8, #92c6cd); }
.ntm-g4 { background: linear-gradient(150deg, #ece3d2, #d6c5a8); }
.ntm-g5 { background: linear-gradient(150deg, #d9eef0, #aad7dc); }
.ntm-g6 { background: linear-gradient(150deg, #efe5d3, #ddccac); }

/* ---- MOBILE ---- */
.ntm-burger { display: none; }
.ntm-mobile-menu { display: none; }

@media (max-width: 1024px) {
    .ntm-nav-bar {
        grid-template-columns: auto 1fr auto;
        padding: 0 24px;
    }
    .ntm-nav-left,
    .ntm-nav-right { display: none; }
    .ntm-wordmark { text-align: left; }
    .ntm-wordmark__link { font-size: 22px; }

    .ntm-burger {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        justify-self: end;
    }
    .ntm-burger span {
        width: 24px;
        height: 2px;
        background: var(--ntm-mast-ink);
        transition: 0.25s;
        display: block;
    }
    .ntm-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .ntm-burger.is-open span:nth-child(2) { opacity: 0; }
    .ntm-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .ntm-mobile-menu.is-open {
        display: block;
        background: var(--ntm-mast-white);
        border-top: 1px solid var(--ntm-mast-line);
        padding: 12px 24px 24px;
    }
    .ntm-m-group { border-bottom: 1px solid var(--ntm-mast-line); }
    .ntm-m-top {
        width: 100%;
        background: none;
        border: none;
        font-family: inherit;
        font-size: 16px;
        font-weight: 500;
        color: var(--ntm-mast-ink);
        padding: 16px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        text-align: left;
        text-decoration: none;
    }
    .ntm-m-top:hover { text-decoration: none; color: var(--ntm-mast-ink); }
    .ntm-m-top--solo { display: block; }
    .ntm-mchev {
        width: 8px;
        height: 8px;
        border-right: 1.6px solid var(--ntm-mast-gray);
        border-bottom: 1.6px solid var(--ntm-mast-gray);
        transform: rotate(45deg);
        transition: transform 0.2s;
        display: inline-block;
    }
    .ntm-m-group.is-open .ntm-mchev { transform: rotate(225deg); }
    .ntm-m-sub { display: none; padding: 0 0 12px 12px; }
    .ntm-m-group.is-open .ntm-m-sub { display: block; }
    .ntm-m-sub a {
        display: block;
        font-size: 14.5px;
        color: var(--ntm-mast-gray);
        text-decoration: none;
        padding: 9px 0;
    }
    .ntm-m-sub a:hover { color: var(--ntm-mast-ink); }

    .ntm-m-cta {
        display: flex;
        gap: 14px;
        margin-top: 18px;
        align-items: center;
    }
    .ntm-m-cta .ntm-join-btn { flex: 1; text-align: center; }
}