/* Landing page only */
.hero { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2.5rem, 5vw, 4rem); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { margin: .8rem 0 1.2rem; }
.hero h1 em { font-style: normal; color: var(--teal); position: relative; }
.hero h1 em::after { content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: .28em; background: var(--amber); opacity: .45; z-index: -1; border-radius: 2px; }
.hero .lede { font-size: 1.15rem; color: var(--ink-2); max-width: 54ch; margin-bottom: 1.8rem; }
.hero .actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero .trust { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-size: .85rem; color: var(--ink-3); }
.hero .trust span::before { content: "•"; margin-right: .45rem; color: var(--amber); }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } }

/* timetable illustration */
.tt { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); padding: 1rem 1rem 1.1rem; font-family: var(--font-mono); font-size: .7rem; color: var(--ink-2); }
.tt-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: .8rem; flex-wrap: wrap; }
.tt-head strong { font-family: var(--font-body); font-size: .9rem; color: var(--ink); font-weight: 600; }
.tt-head .pill { font-size: .68rem; padding: .18rem .55rem; border-radius: 999px; background: var(--teal-soft); color: var(--teal); font-weight: 600; }
.tt-grid { display: grid; grid-template-columns: 34px repeat(5, 1fr); grid-template-rows: 18px repeat(10, 22px); gap: 3px; }
.tt-grid .d { text-align: center; color: var(--ink-3); letter-spacing: .05em; }
.tt-grid .h { color: var(--ink-3); font-size: .62rem; align-self: start; padding-top: 2px; }
.tt-grid .cell { background: var(--paper-2); border-radius: 3px; }
.tt-grid .blk { border-radius: 4px; padding: 3px 5px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: .64rem; line-height: 1.25; color: var(--paper); background: var(--teal); display: flex; flex-direction: column; justify-content: flex-start; }
.tt-grid .blk small { opacity: .8; font-size: .58rem; }
.tt-grid .blk.b2 { background: var(--teal-2); }
.tt-grid .blk.exam { background: var(--amber); color: #2b1a04; }
.tt-grid .blk.pin { outline: 2px dashed var(--amber); outline-offset: -2px; background: var(--teal-soft); color: var(--ink); }
.tt-legend { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: .8rem; color: var(--ink-3); }
.tt-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; vertical-align: -1px; margin-right: .35rem; background: var(--teal); }
.tt-legend i.exam { background: var(--amber); }
.tt-legend i.pin { background: var(--teal-soft); outline: 1.5px dashed var(--amber); outline-offset: -1.5px; }
:root[data-theme="dark"] .tt-grid .blk, :root[data-theme="dark"] .tt-grid .blk.b2 { color: var(--paper); }

/* sections */
.section { padding-block: clamp(3rem, 6vw, 5rem); }
.section.alt { background: var(--paper-2); border-block: 1px solid var(--line); }
.section-head { max-width: 62ch; margin-bottom: 2.25rem; }
.section-head h2 { margin: .6rem 0 .8rem; }
.section-head p { color: var(--ink-2); font-size: 1.05rem; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stats div { background: var(--surface); padding: 1.1rem 1.2rem; }
.stats strong { display: block; font-family: var(--font-display); font-size: 1.7rem; font-weight: 800; color: var(--teal); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.stats span { color: var(--ink-2); font-size: .9rem; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

.modgroup { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 1.5rem 3rem; padding-block: 2rem; border-top: 1px solid var(--line); }
.modgroup:first-of-type { border-top: 0; padding-top: 0; }
.modgroup h3 { font-size: 1.25rem; margin-bottom: .4rem; }
.modgroup .desc { color: var(--ink-2); font-size: .95rem; }
.modlist { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.mod { display: block; text-decoration: none; color: inherit; padding: .9rem 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: border-color .15s, transform .15s; }
.mod:hover { border-color: var(--teal); transform: translateY(-1px); }
.mod strong { display: block; font-weight: 600; color: var(--ink); margin-bottom: .2rem; }
.mod span { color: var(--ink-2); font-size: .9rem; display: block; }
.mod .tag { display: inline-block; font-family: var(--font-mono); font-size: .64rem; letter-spacing: .08em; text-transform: uppercase; color: var(--amber-ink); background: var(--amber-soft); padding: .1rem .4rem; border-radius: 3px; margin-left: .4rem; vertical-align: 2px; }
@media (max-width: 860px) { .modgroup { grid-template-columns: 1fr; gap: 1rem; } }
@media (max-width: 560px) { .modlist { grid-template-columns: 1fr; } }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; counter-reset: step; }
.step { padding: 1.2rem 1.2rem 1.3rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); position: relative; }
.step::before { counter-increment: step; content: counter(step); font-family: var(--font-mono); font-size: .72rem; color: var(--amber-ink); background: var(--amber-soft); width: 26px; height: 26px; display: inline-grid; place-items: center; border-radius: 50%; margin-bottom: .8rem; font-weight: 600; }
.step h4 { margin-bottom: .4rem; }
.step p { color: var(--ink-2); font-size: .93rem; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.split .section-head { margin-bottom: 1.5rem; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; }
.checks li { padding-left: 1.7rem; position: relative; color: var(--ink); }
.checks li::before { content: ""; position: absolute; left: 0; top: .5em; width: .9rem; height: .5rem; border-left: 2px solid var(--amber); border-bottom: 2px solid var(--amber); transform: rotate(-45deg) translateY(-.15rem); }
.checks li strong { font-weight: 600; }
.checks li span { color: var(--ink-2); }

.tables { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.tables div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; }
.tables strong { display: block; font-family: var(--font-mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--amber-ink); margin-bottom: .4rem; font-weight: 500; }
.tables p { font-size: .9rem; color: var(--ink-2); }
@media (max-width: 700px) { .tables { grid-template-columns: 1fr; } }

.roles { display: flex; flex-wrap: wrap; gap: .5rem; }
.roles span { padding: .35rem .75rem; border: 1px solid var(--line-2); border-radius: 999px; font-size: .88rem; background: var(--surface); color: var(--ink); }

.integr { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.integr div { padding-top: 1rem; border-top: 2px solid var(--teal); }
.integr h4 { margin-bottom: .4rem; }
.integr p { color: var(--ink-2); font-size: .93rem; }
@media (max-width: 800px) { .integr { grid-template-columns: 1fr; } }

.faq { max-width: 760px; }
.faq details { border-top: 1px solid var(--line); padding: 1rem 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.02rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--amber-ink); font-family: var(--font-mono); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: .7rem; color: var(--ink-2); max-width: 66ch; }

.cta { background: var(--teal); color: var(--paper); border-radius: 12px; padding: clamp(2rem, 5vw, 3.5rem); display: grid; grid-template-columns: minmax(0, 1.3fr) auto; gap: 2rem; align-items: center; }
.cta h2 { color: var(--paper); margin-bottom: .6rem; }
.cta p { color: color-mix(in srgb, var(--paper) 80%, transparent); max-width: 52ch; }
.cta .btn-primary { background: var(--amber); border-color: var(--amber); color: #2b1a04; }
.cta .btn-primary:hover { background: #f0b453; border-color: #f0b453; color: #2b1a04; }
.cta .btn-ghost { color: var(--paper); border-color: color-mix(in srgb, var(--paper) 40%, transparent); }
.cta .btn-ghost:hover { border-color: var(--paper); color: var(--paper); }
.cta .actions { display: grid; gap: .6rem; }
@media (max-width: 760px) { .cta { grid-template-columns: 1fr; } }