@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* ---------- CONTAINER ---------- */
.ad-nav {
    position: fixed;
    top: 41px;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: #640B0D;
    overflow: visible;
    transition: top 0.3s, background-color 0.3s, box-shadow 0.3s;
}

/* Once scrolled, the marquee has scrolled away */
.ad-nav.scrolled {
    top: 0;
}

/* Landing-page */
.ad-nav.transparent-top {
    background-color: transparent;
    box-shadow: none;
}
.ad-nav.transparent-top.scrolled {
    background-color: #640B0D;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.ad-nav:not(.transparent-top).scrolled {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.ad-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    max-width: 1600px;
    margin: 0 auto;
    padding: 22px 40px;
    box-sizing: border-box;
    position: relative;
    transition: padding 0.3s ease;
}

.ad-nav.scrolled .ad-nav-inner {
    padding-top: 32px;
    padding-bottom: 32px;
}

/*  WORDMARK LOGO  */
.ad-nav-wordmark {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.ad-nav-wordmark-img {
    width: 110px;
    height: auto;
    display: block;
}

/* MENU CONTAINER  */
.ad-nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
    flex: 1;
    justify-content: flex-end;
}

/*  ACTION BUTTONS */
.ad-nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.ad-nav-btn {
    display: inline-block;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 9px 22px;
    border-radius: 4px;
    text-decoration: none;
    border: 2px solid #F5EFE6;
    transition: background-color 0.2s, color 0.2s, opacity 0.2s, border-color 0.2s;
    white-space: nowrap;
    cursor: pointer;
}

.ad-nav-btn--filled {
    background-color: #F5EFE6;
    color: #640B0D;
}

.ad-nav-btn--filled:hover {
    opacity: 0.9;
}

.ad-nav-btn--outline {
    background-color: transparent;
    color: #F5EFE6;
}

.ad-nav-btn--outline:hover {
    background-color: #F5EFE6;
    color: #640B0D;
}

/* PRE-SCROLL BUTTON STYLES */
.ad-nav.transparent-top:not(.scrolled) .ad-nav-btn--filled {
    background-color: #F2F2F2;
    color: #1A1A1A;
    border-color: #F2F2F2;
}
.ad-nav.transparent-top:not(.scrolled) .ad-nav-btn--filled:hover {
    background-color: #FFFFFF;
    border-color: #FFFFFF;
    opacity: 1;
}

.ad-nav.transparent-top:not(.scrolled) .ad-nav-btn--outline {
    background-color: transparent;
    color: #FFFFFF;
    border-color: #FFFFFF;
}
.ad-nav.transparent-top:not(.scrolled) .ad-nav-btn--outline:hover {
    background-color: #FFFFFF;
    color: #1A1A1A;
    border-color: #FFFFFF;
}

/* MONOGRAM + HAMBURGER */
.ad-nav-end {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-shrink: 0;
}

.ad-nav-monogram {
    width: 38px;
    height: auto;
    display: block;
    user-select: none;
}

/* HAMBURGER  */
.ad-nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    overflow: visible;
}

/* Clapperboard arm */
.ad-nav-toggle::before {
    content: "";
    display: block;
    width: 42px;
    height: 4px;
    background-color: #F5EFE6;
    border-radius: 0;
    transform-origin: left center;
    transform: rotate(0deg);
    transition: transform 0.22s ease;
    margin-bottom: 1px;
}

/* three lines */
.ad-nav-toggle-bar {
    display: block;
    width: 42px;
    height: 4px;
    background-color: #F5EFE6;
    border-radius: 0;
    transition: transform 0.22s ease, opacity 0.22s ease;
}

.ad-nav-toggle:hover::before,
.ad-nav-toggle:focus-visible::before {
    transform: translateY(-1px) rotate(-4deg);
}

/* Open: the full clapperboard hinge — only fires when the menu is actually open */
.ad-nav-toggle[aria-expanded="true"]::before {
    transform: translateY(-2px) rotate(-12deg);
}

.ad-nav a:focus-visible,
.ad-nav button:focus-visible {
    outline: 2px solid #F5EFE6;
    outline-offset: 4px;
}

body.has-fixed-nav {
    padding-top: 100px;
}

body.ad-nav-drawer-open {
    overflow: hidden;
}

/* ARCHIVE PANEL */
.ad-nav-archive {
    display: none;
}

/* Menu header at the top of the dropdown */
.ad-nav-menu-title {
    font-family: 'Poppins', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #F5EFE6;
    margin: 0 0 2px;
}

.ad-nav-divider {
    width: 100%;
    height: 1px;
    background: rgba(245, 239, 230, 0.28);
    margin: 9px 0;
    border: none;
}

/* Section titles (AD ASTRA 2027, YEARBOOKS, EMBARK) */
.ad-nav-section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    color: #F5EFE6;
    margin: 0 0 7px;
    text-transform: uppercase;
}

.ad-nav-archive-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ad-nav-archive-item {
    font-family: 'Poppins', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.8px;
    color: #F5EFE6;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.ad-nav-archive-item:hover,
.ad-nav-archive-item:focus-visible {
    opacity: 1;
    transform: translateX(4px);
}

/* ======== DESKTOP ========== */
@media (min-width: 992px) {
    .ad-nav-menu .ad-nav-archive {
        display: block;
        position: absolute;
        top: calc(100% + 18px);
        right: 40px;
        width: min(440px, calc(100vw - 80px));
        max-height: calc(100vh - 160px);
        overflow-y: auto;
        padding: 18px 22px 20px;
        box-sizing: border-box;
        background-color: #640B0D;
        border: 1px solid rgba(245, 239, 230, 0.18);
        border-radius: 8px;
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
        z-index: 999;

        /* hidden resting state */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px) scale(0.98);
        transform-origin: top right; /* grows out from near the hamburger */
        pointer-events: none;
        transition: opacity 0.2s ease,
                    transform 0.22s cubic-bezier(0.2, 0.7, 0.2, 1),
                    visibility 0s linear 0.22s;
    }

    .ad-nav-menu.archive-open .ad-nav-archive {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
        pointer-events: auto;
        transition: opacity 0.2s ease,
                    transform 0.22s cubic-bezier(0.2, 0.7, 0.2, 1),
                    visibility 0s;
    }

    .ad-nav-menu .ad-nav-archive .ad-nav-menu-title {
        margin-top: 0;
    }
}

/* ======== MOBILE ========== */
@media (max-width: 991px) {
    .ad-nav-inner {
        padding: 18px 25px;
    }

    .ad-nav-wordmark-img {
        width: 90px;
    }

    /* Drawer collapses by default */
    .ad-nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        background-color: #640B0D;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }

    .ad-nav-menu.open {
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        overscroll-behavior: contain; 
        -webkit-overflow-scrolling: touch; 
        padding: 20px 25px 25px;
        border-top: 1px solid rgba(245, 239, 230, 0.12);
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.20);
    }

    .ad-nav-menu.open .ad-nav-archive {
        display: block;
    }

    /* Subscribe + Login stay in the top bar on mobile */
    .ad-nav-actions {
        gap: 8px;
        margin-left: auto;
    }

    .ad-nav-btn {
        padding: 7px 14px;
        font-size: 0.78rem;
        letter-spacing: 1px;
    }

    .ad-nav-monogram {
        width: 28px;
    }
}

@media (max-width: 480px) {
    .ad-nav-inner {
        padding: 16px 14px;
        gap: 12px;
    }

    .ad-nav-wordmark-img {
        width: 75px;
    }

    .ad-nav-actions {
        gap: 6px;
    }

    .ad-nav-btn {
        padding: 6px 11px;
        font-size: 0.72rem;
        letter-spacing: 0.5px;
    }

    .ad-nav-monogram {
        width: 24px;
    }

    .ad-nav-toggle {
        width: 38px;
        height: 32px;
        gap: 4px;
    }

    .ad-nav-toggle::before,
    .ad-nav-toggle-bar {
        width: 38px;
        height: 4px;
    }
}

/* ========= MARQUEE ========== */
.ad-nav-marquee {
    width: 100%;
    background-color: #262626;
    overflow: hidden;
    white-space: nowrap;
}

.ad-nav-marquee-track {
    display: flex;
    width: max-content;
    animation: ad-marquee-scroll 24s linear infinite;
}

.ad-nav-marquee-group {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 48px;
    padding: 12px 24px;
}

.ad-nav-marquee-group span {
    font-family: 'Poppins', sans-serif;
    font-weight: 400;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: #FFFFFF;
    line-height: 1.4;
}

@keyframes ad-marquee-scroll {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

/* REDUCED MOTION  */
@media (prefers-reduced-motion: reduce) {
    .ad-nav,
    .ad-nav-menu,
    .ad-nav-toggle::before,
    .ad-nav-toggle-bar,
    .ad-nav-btn,
    .ad-nav-archive-item,
    .ad-nav-menu .ad-nav-archive {
        transition: none !important;
    }
}