/*==================================================
    GERMAINE — AI BOOTCAMPS COURSES MENU
    Compact overlay panel scoped to the AI Bootcamps internal
    navigation ("Courses" tab) — NOT the global site navigation.
    Clean, straight, compact THREE-COLUMN panel (Categories |
    Description | Course Offerings) that drops directly under
    the AI Bootcamps secondary nav bar — not a card grid, not a
    dark glass panel, not a sidebar. Mobile: same three pieces
    of information as a stacked two-step accordion (categories
    -> category detail + offerings) with a back control.

    Data-driven from window.GermaineAICourses
    (assets/js/ai-courses-data.js) via a small category-
    grouping layer defined in courses-menu.js.

    Palette: dark navy #081B3F, primary navy #123A92,
    pink #EC4899, white #FFFFFF, milky white #F8FAFC.
==================================================*/
:root{
    --crs-navy-dark:#081B3F;
    --crs-navy:#123A92;
    --crs-navy-2:#1B4FB8;
    --crs-navy-soft:rgba(18,58,146,.7);
    --crs-navy-mut:rgba(8,27,63,.56);
    --crs-pink:#EC4899;
    --crs-pink-2:#F472B6;
    --crs-line:rgba(8,27,63,.1);
    --crs-milk:#F8FAFC;
}

/*==========================
    TRIGGER
==========================*/
.crs-trigger{
    background:none; border:none; font:inherit; cursor:pointer;
}
.crs-trigger-chevron{
    margin-left:2px; font-size:.62rem !important; transition:transform .3s ease;
}
.crs-trigger[aria-expanded="true"] .crs-trigger-chevron{ transform:rotate(180deg); }
.crs-trigger[aria-expanded="true"]{ color:var(--accent-light,#F9A8D4); }

/*==========================
    OVERLAY SHELL
==========================*/
.crs-menu{
    position:fixed; inset:0; z-index:1250;
    display:flex; align-items:flex-start; justify-content:center;
    padding:0 20px;
    opacity:0; visibility:hidden;
    transition:opacity .25s ease, visibility 0s linear .25s;
}
.crs-menu.is-open{
    opacity:1; visibility:visible;
    transition:opacity .25s ease, visibility 0s linear 0s;
}
.crs-menu-backdrop{
    position:fixed; inset:0;
    background:rgba(8,27,63,.32);
}

/*==========================
    PANEL — wide, straight, three columns
==========================*/
.crs-menu-panel{
    position:relative; z-index:1;
    width:100%; max-width:1020px; max-height:calc(100vh - 160px);
    margin-top:14px;
    display:flex; flex-direction:column;
    background:#FFFFFF;
    border:1px solid var(--crs-line);
    border-radius:12px;
    box-shadow:0 18px 44px rgba(8,27,63,.16);
    overflow:hidden;
    transform:translateY(-8px);
    opacity:0;
    transition:transform .24s cubic-bezier(.2,.8,.2,1), opacity .2s ease;
}
.crs-menu.is-open .crs-menu-panel{
    transform:translateY(0);
    opacity:1;
}

.crs-menu-topbar{
    flex-shrink:0; display:flex; align-items:center; justify-content:space-between;
    padding:11px 20px; border-bottom:1px solid var(--crs-line);
}
.crs-menu-topbar-title{
    font-family:'Poppins',sans-serif; font-weight:700; font-size:.84rem; color:var(--crs-navy-dark);
    display:flex; align-items:center; gap:7px;
}
.crs-menu-topbar-title i{ color:var(--crs-pink); font-size:.74rem; }
.crs-menu-close{
    flex-shrink:0; width:26px; height:26px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    background:var(--crs-milk); border:1px solid var(--crs-line); color:var(--crs-navy-dark);
    cursor:pointer; font-size:.72rem; transition:background .2s ease, color .2s ease;
}
.crs-menu-close:hover{ background:rgba(236,72,153,.08); color:var(--crs-pink); }

.crs-menu-back{
    display:none;
    align-items:center; gap:7px; width:100%;
    padding:11px 20px; background:none; border:none; border-bottom:1px solid var(--crs-line);
    font-family:inherit; font-weight:700; font-size:.78rem; color:var(--crs-navy); cursor:pointer;
}

/*==========================
    THREE-COLUMN BODY
==========================*/
.crs-menu-body{
    flex:1; min-height:0; overflow-y:auto;
    display:grid; grid-template-columns:28% 32% 40%;
}

/* ---- Column 1: categories ---- */
.crs-menu-cats{
    border-right:1px solid var(--crs-line);
    padding:6px 0;
    display:flex; flex-direction:column;
    overflow-y:auto;
}
.crs-cat-btn{
    display:flex; align-items:center; justify-content:space-between; gap:8px;
    width:100%; padding:10px 18px;
    background:none; border:none; border-bottom:1px solid var(--crs-line); border-left:3px solid transparent;
    font:inherit; text-align:left; cursor:pointer;
    font-size:.8rem; font-weight:600; color:var(--crs-navy);
    transition:background .2s ease, border-color .2s ease;
}
.crs-cat-btn .crs-cat-arrow{ font-size:.64rem; color:var(--crs-pink); opacity:0; transform:translateX(-4px); transition:opacity .2s ease, transform .2s ease; }
.crs-cat-btn:hover{ background:rgba(236,72,153,.04); }
.crs-cat-btn.is-active{
    background:rgba(236,72,153,.06);
    border-left-color:var(--crs-pink);
    color:var(--crs-navy-dark);
}
.crs-cat-btn.is-active .crs-cat-arrow{ opacity:1; transform:translateX(0); }

.crs-menu-viewall{
    margin:10px 18px 4px; padding:8px 12px; border-radius:8px;
    display:flex; align-items:center; justify-content:center; gap:6px;
    background:var(--crs-milk); border:1px solid var(--crs-line); color:var(--crs-navy);
    font-weight:700; font-size:.72rem; text-decoration:none;
    transition:background .2s ease, border-color .2s ease, color .2s ease;
}
.crs-menu-viewall:hover{ background:rgba(236,72,153,.06); border-color:rgba(236,72,153,.3); color:var(--crs-pink); }

/* ---- Column 2: category description ---- */
.crs-menu-desc{
    border-right:1px solid var(--crs-line);
    padding:18px 18px;
}
.crs-menu-desc-eyebrow{
    display:block; font-size:.6rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
    color:var(--crs-pink); margin-bottom:7px;
}
.crs-menu-desc h3{
    font-family:'Poppins',sans-serif; font-weight:800; font-size:1.02rem; line-height:1.3;
    color:var(--crs-navy-dark); margin:0 0 9px;
}
.crs-menu-desc p{
    font-size:.78rem; line-height:1.65; color:var(--crs-navy-mut); margin:0;
}

/* ---- Column 3: course offerings ---- */
.crs-menu-offerings{
    padding:18px 18px;
    display:flex; flex-direction:column;
}
.crs-menu-offerings-label{
    font-size:.6rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
    color:var(--crs-navy-mut); margin:0 0 9px;
}
.crs-offering-list{
    display:flex; flex-direction:column;
}
.crs-offering-link{
    display:flex; align-items:center; justify-content:space-between; gap:10px;
    padding:9px 3px; border-bottom:1px solid var(--crs-line);
    font-size:.82rem; font-weight:700; color:var(--crs-navy-dark); text-decoration:none;
    transition:color .2s ease, padding-left .2s ease;
}
.crs-offering-link i{
    font-size:.64rem; color:var(--crs-pink); opacity:0; transform:translateX(-4px);
    transition:opacity .2s ease, transform .2s ease;
}
.crs-offering-link:hover{ color:var(--crs-pink); padding-left:6px; }
.crs-offering-link:hover i{ opacity:1; transform:translateX(0); }

.crs-menu-empty{
    color:var(--crs-navy-mut); font-size:.78rem; padding:8px 3px;
}

/*==========================
    RESPONSIVE — MOBILE STACKED ACCORDION
==========================*/
@media (max-width:900px){
    .crs-menu{ padding:0; }
    .crs-menu-panel{
        max-width:none; max-height:none; width:100%; height:100%;
        margin-top:0; border-radius:0;
        transform:translateY(14px); opacity:0;
    }
    .crs-menu.is-open .crs-menu-panel{ transform:translateY(0); opacity:1; }
    .crs-menu-topbar{ padding:16px 20px; }

    .crs-menu-body{ grid-template-columns:1fr; }
    .crs-menu-back{ display:flex; }
    .crs-menu-cats{ border-right:none; }
    .crs-cat-btn{ padding:12px 18px; }
    .crs-menu-viewall{ margin:10px 18px 8px; }
    .crs-menu-desc{ border-right:none; border-bottom:1px solid var(--crs-line); padding:18px; }
    .crs-menu-offerings{ padding:16px 18px 20px; }

    /* two-step accordion: JS toggles data-step on .crs-menu-body */
    .crs-menu-body[data-step="cats"] .crs-menu-desc,
    .crs-menu-body[data-step="cats"] .crs-menu-offerings,
    .crs-menu-body[data-step="cats"] .crs-menu-back{ display:none; }
    .crs-menu-body[data-step="cards"] .crs-menu-cats{ display:none; }
    .crs-menu-body[data-step="cards"] .crs-menu-back{ display:flex; }
}
@media (min-width:901px){
    .crs-menu-back{ display:none !important; }
}
@media (prefers-reduced-motion: reduce){
    .crs-menu, .crs-menu-panel{ transition:none !important; }
    .crs-menu-close:hover{ transform:none; }
}