:root {
    --paper: #f3efe6;
    --ink: #1c1915;
    --muted: #6b6258;
    --line: #e2d9cc;
    --card: #fffdf8;
    --pine: #1b3330;
    --pine-2: #274843;
    --clay: #c65324;
    --clay-dark: #9d3e18;
    --warn: #8a4b12;
    --warn-bg: #fff1dc;
    --shadow: 0 16px 40px rgba(48, 32, 16, 0.08);
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
    --sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(198, 83, 36, 0.08), transparent 28rem),
        var(--paper);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.5;
}
a { color: inherit; }
img { max-width: 100%; }
button, input, textarea { font: inherit; }

.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
    background: var(--pine);
    color: #f7f3ea;
}
.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 76px;
}
.logo {
    font-family: var(--serif);
    font-size: 1.55rem;
    letter-spacing: -0.03em;
    text-decoration: none;
}
.nav { display: flex; gap: 22px; }
.nav a { color: #f7f3ea; text-decoration: none; }
.nav a:hover { text-decoration: underline; text-underline-offset: 4px; }

.hero { padding: 64px 0 28px; }
.hero h1, .page-title, .course-copy h1 {
    margin: 0 0 12px;
    font-family: var(--serif);
    font-size: clamp(2.2rem, 5vw, 4.4rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
    font-weight: 600;
}
.lede { max-width: 42rem; margin: 0; color: var(--muted); font-size: 1.12rem; }
.search {
    display: flex;
    gap: 10px;
    margin-top: 28px;
    max-width: 640px;
}
.search input, .stack input, .stack textarea, .stack select {
    width: 100%;
    border: 1px solid #d9d0c3;
    background: white;
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--ink);
}
.search input { flex: 1; }
.btn, button.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    background: var(--clay);
    color: white;
    text-decoration: none;
    padding: 11px 18px;
    cursor: pointer;
    font-weight: 650;
}
.btn:hover { background: var(--clay-dark); }
.btn.ghost {
    background: transparent;
    color: var(--pine);
    border: 1px solid #cfc4b4;
}
.themes { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 8px; }
.chip {
    text-decoration: none;
    border-radius: 999px;
    padding: 7px 12px;
    background: white;
    border: 1px solid var(--line);
}
.chip.active, .chip:hover { border-color: var(--pine); background: #edf3f1; }

.section { padding: 12px 0 64px; }
.section h2, .panel h2, .course-copy h2 {
    font-family: var(--serif);
    font-size: 2rem;
    margin: 0 0 16px;
    letter-spacing: -0.03em;
}
.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.card {
    display: grid;
    grid-template-rows: minmax(180px, 1fr) minmax(180px, 1fr);
    min-height: 390px;
    background: var(--card);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,.7);
}
.cover {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 8px;
    padding: 18px;
    color: white;
    text-decoration: none;
    background:
        radial-gradient(circle at 100% 0%, rgba(255,255,255,.32), transparent 42%),
        linear-gradient(155deg, var(--c1), var(--c2));
}
.cover::after {
    content: "";
    position: absolute;
    right: -28px;
    bottom: -36px;
    width: 120px;
    height: 120px;
    border: 16px solid rgba(255,255,255,.16);
    border-radius: 36px;
    transform: rotate(16deg);
}
.kicker, .eyebrow {
    position: relative;
    z-index: 1;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.cover strong {
    position: relative;
    z-index: 1;
    font-family: var(--serif);
    font-size: 1.85rem;
    line-height: 1.05;
    letter-spacing: -0.03em;
}
.card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px 16px 18px;
}
.card-body p { margin: 0; color: #3e3832; }
.school { color: var(--muted); font-size: 0.92rem; }
.card-body .btn { margin-top: auto; align-self: flex-start; }
.ribbon {
    align-self: flex-start;
    background: var(--warn-bg);
    color: var(--warn);
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 0.78rem;
}
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.step, .panel, .notice {
    background: rgba(255,253,248,.8);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
}
.step strong { display: block; font-family: var(--serif); font-size: 1.35rem; margin-bottom: 6px; }
.notice { background: var(--warn-bg); color: var(--warn); margin: 18px 0; }
.empty { color: var(--muted); }

.course {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 28px;
    padding: 36px 0 70px;
    align-items: stretch;
}
.course-cover {
    min-height: 420px;
    border-radius: 28px;
}
.course-copy { padding-top: 12px; }
.meta { color: var(--muted); margin-bottom: 8px; }

.site-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); }
.site-footer a { color: var(--pine); }

.admin-top {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: end;
    margin-bottom: 18px;
}
.login-box { width: min(440px, 100%); margin: 12vh auto; }
.table { width: 100%; border-collapse: collapse; background: white; border-radius: 16px; overflow: hidden; }
.table th, .table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { font-size: 0.82rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.status { border-radius: 999px; padding: 3px 8px; background: #ece7df; }
.status.on { background: #e5f3ea; color: #1d6b3a; }
.panels { display: grid; gap: 14px; margin-top: 16px; }
.stack { display: grid; gap: 8px; }
.plus { margin-top: 8px; }
.error { color: #9d3e18; margin: 0 0 10px; }
.hint { color: var(--muted); }

@media (max-width: 980px) {
    .grid { grid-template-columns: repeat(2, 1fr); }
    .steps, .course { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
    .header-row, .search, .admin-top { display: grid; }
    .nav { gap: 14px; flex-wrap: wrap; }
    .grid { grid-template-columns: 1fr; }
    .hero { padding-top: 36px; }
}