/* Use cases playbook — editorial list built on the Mudayon base tokens. */

/* ── Nav ── */
.uc-nav {
    position: sticky;
    inset: 0 0 auto;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
    padding: 0 var(--gutter);
    background: rgba(13, 14, 13, .92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(244, 241, 233, .12);
}

.uc-nav .brand { display: grid; gap: 3px; }
.uc-nav .brand span { font: 600 9px/1 var(--body); letter-spacing: .18em; color: var(--muted); }

.uc-nav-links {
    display: flex;
    align-items: center;
    gap: clamp(14px, 2.4vw, 30px);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .055em;
    text-transform: uppercase;
}

.uc-nav-links a { text-decoration: none; }
.uc-nav-links a:hover { color: #f48a74; }

/* ── Hero ── */
.uc-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: clamp(32px, 5vw, 72px);
    padding: clamp(48px, 6vw, 88px) var(--gutter) clamp(40px, 5vw, 72px);
}

.uc-free-badge { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.uc-free-badge span {
    padding: 5px 12px;
    border: 1px solid rgba(213, 72, 50, .55);
    border-radius: 2px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #f48a74;
}

.uc-hero h1 { font-size: clamp(38px, 5vw, 76px); }
.uc-hero .uc-lede { max-width: 52ch; margin-top: 24px; font-size: clamp(16px, 1.3vw, 19px); color: var(--muted); }
.uc-hero .uc-lede strong { color: var(--paper); font-weight: 600; }

.uc-hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 34px; }
.uc-text-link { font-size: 15px; color: var(--muted); text-decoration: underline; text-underline-offset: .3em; }
.uc-text-link:hover { color: var(--paper); }

.uc-hero-art { margin: 0; }
.uc-hero-art img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); border-radius: 2px; }

/* ── How it works ── */
.uc-sub { max-width: 64ch; margin-top: 20px; color: var(--muted); }

.uc-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 3vw, 36px);
    margin-top: 52px;
    list-style: none;
}

.uc-step img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border: 1px solid var(--rule);
    border-radius: 2px;
    margin-bottom: 22px;
}

.uc-step-n { display: block; margin-bottom: 10px; font: 12px/1 var(--display); letter-spacing: .12em; color: var(--accent); }
.uc-step h3 { font-size: 22px; margin-bottom: 10px; }
.uc-step p { font-size: 15px; line-height: 1.6; color: var(--muted); }

/* ── Start here ── */
.uc-start-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(20px, 4vw, 60px); align-items: end; }
.uc-start-head > p { color: var(--muted); max-width: 46ch; }

.uc-start-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 28px); margin-top: 48px; }

.uc-start-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--rule);
    border-radius: 2px;
    background: rgba(244, 241, 233, .03);
    overflow: hidden;
    transition: border-color .18s, transform .18s;
}

.uc-start-card:hover { border-color: rgba(213, 72, 50, .6); transform: translateY(-2px); }
.uc-start-card img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-bottom: 1px solid var(--rule); }
.uc-start-body { display: flex; flex-direction: column; gap: 12px; padding: 24px 22px 26px; flex: 1; }
.uc-start-body h3 { font-size: 21px; line-height: 1.25; }
.uc-start-body p { font-size: 15px; line-height: 1.6; color: var(--muted); }

.uc-start-open {
    margin-top: auto;
    align-self: flex-start;
    background: none;
    border: 0;
    padding: 0;
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
    text-align: left;
}
.uc-start-open:hover { color: #f48a74; }

/* ── Meta pills ── */
.uc-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.uc-meta span { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.uc-meta span + span::before { content: "·"; margin-right: 8px; color: rgba(244, 241, 233, .35); }
.uc-meta .is-easy { color: #9FAE83; }
.uc-meta .is-medium { color: #EDBCA0; }

/* ── Paper band: setup ── */
.uc-paper { background: var(--paper); color: var(--night); }
.uc-paper .eyebrow { color: #6b6c64; }
.uc-paper h2 { max-width: 20ch; }
.uc-paper .uc-sub { max-width: 64ch; color: #55564f; }

.uc-setup-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 52px; background: var(--paper); }
.uc-setup-card { background: var(--paper); padding: 28px 26px; box-shadow: 0 0 0 1px rgba(23, 24, 23, .16); }
.uc-setup-card b { display: block; font: 13px/1 var(--display); letter-spacing: .1em; color: var(--accent); }
.uc-setup-card h3 { margin: 14px 0 10px; font-size: 20px; }
.uc-setup-card p { font-size: 15px; line-height: 1.6; color: #55564f; }

.uc-rules { margin-top: 44px; border-top: 2px solid var(--night); padding-top: 26px; }
.uc-rules h3 { font-size: 18px; margin-bottom: 18px; }
.uc-rules ol { display: grid; gap: 12px; counter-reset: r; list-style: none; max-width: 76ch; }
.uc-rules li { counter-increment: r; position: relative; padding-left: 40px; font-size: 15px; line-height: 1.6; color: #35362f; }
.uc-rules li::before {
    content: counter(r, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 1px;
    font: 12px/1.5 var(--display);
    letter-spacing: .06em;
    color: var(--accent);
}

/* ── Surfaces ── */
.uc-surfaces { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 20px; margin-top: 48px; }
.uc-surface { padding: 26px 24px; border: 1px solid var(--rule); background: rgba(244, 241, 233, .03); }
.uc-surface h3 { font-size: 20px; margin-bottom: 12px; }
.uc-surface h3 i { display: inline-block; width: 9px; height: 9px; margin-right: 10px; background: var(--accent); font-style: normal; }
.uc-surface p { font-size: 15px; line-height: 1.6; color: var(--muted); }
.uc-surface .uc-best { margin-top: 14px; color: var(--paper); font-weight: 500; }

/* ── Progress ── */
.uc-progress {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-top: 40px;
    padding: 18px 20px;
    border: 1px solid var(--rule);
    border-radius: 2px;
    background: rgba(244, 241, 233, .03);
}
.uc-progress-text { display: grid; gap: 3px; }
.uc-progress-text strong { font-size: 15px; }
.uc-progress-text span { font-size: 12px; color: var(--muted); }
.uc-progress progress { flex: 1; min-width: 160px; height: 6px; accent-color: var(--accent); }
.uc-text-button { background: none; border: 0; padding: 0; color: var(--muted); font-size: 12px; text-decoration: underline; text-underline-offset: .3em; }
.uc-text-button:hover { color: var(--paper); }

/* ── Filters ── */
.uc-filters {
    position: sticky;
    top: 72px;
    z-index: 15;
    margin-top: 26px;
    padding: 18px 0 16px;
    background: var(--night);
    border-bottom: 1px solid var(--rule);
}

.uc-frow { display: flex; align-items: center; gap: 10px; }
.uc-frow + .uc-frow { margin-top: 10px; }
.uc-flabel { flex: none; width: 82px; font-size: 10px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.uc-chips { display: flex; flex-wrap: wrap; gap: 8px; min-width: 0; }

.uc-chip {
    flex: none;
    padding: 7px 14px;
    background: transparent;
    border: 1px solid var(--rule);
    border-radius: 2px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    transition: border-color .18s, color .18s, background .18s;
}

.uc-chip:hover { border-color: rgba(244, 241, 233, .45); color: var(--paper); }
.uc-chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--white); }

.uc-search {
    flex: 1;
    min-width: 180px;
    padding: 9px 14px;
    background: rgba(244, 241, 233, .05);
    border: 1px solid var(--rule);
    border-radius: 2px;
    color: var(--paper);
    font: 15px var(--body);
}
.uc-search::placeholder { color: var(--muted); }
.uc-search:focus { outline: none; border-color: rgba(244, 241, 233, .45); }
.uc-count { flex: none; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ── Task rows ── */
.uc-list { border-top: 1px solid var(--rule); }
.uc-item { border-bottom: 1px solid var(--rule); }
.uc-item[open] { background: rgba(244, 241, 233, .035); }
.uc-item.is-done .uc-title { color: var(--muted); text-decoration: line-through; text-decoration-color: rgba(213, 72, 50, .7); }

.uc-head {
    display: grid;
    grid-template-columns: 44px 1fr auto 28px;
    gap: 18px;
    align-items: start;
    padding: 24px 0;
    cursor: pointer;
    list-style: none;
}
.uc-head::-webkit-details-marker { display: none; }

.uc-icon { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--rule); border-radius: 2px; }
.uc-icon svg { width: 20px; height: 20px; }
.uc-item[open] .uc-icon { border-color: rgba(213, 72, 50, .55); }

.uc-cat { display: block; margin-bottom: 7px; font-size: 10px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.uc-title { font-size: clamp(18px, 1.7vw, 23px); font-weight: 600; letter-spacing: -.02em; line-height: 1.28; }
.uc-head:hover .uc-title { color: #f48a74; }

.uc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.uc-tag { padding: 3px 9px; border: 1px solid var(--rule); border-radius: 2px; font-size: 11px; letter-spacing: .04em; color: var(--muted); }
.uc-tag.is-surface { border-color: rgba(213, 72, 50, .5); color: #f48a74; }

.uc-head-meta { text-align: right; padding-top: 2px; }
.uc-head-meta .uc-meta { justify-content: flex-end; }
.uc-plus { justify-self: end; padding-top: 2px; font: 22px/1 var(--body); color: var(--accent); transition: transform .2s; }
.uc-item[open] .uc-plus { transform: rotate(45deg); }

.uc-body { padding: 0 0 32px 62px; max-width: 88ch; }
.uc-block-label { margin-bottom: 12px; font-size: 10px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }

.uc-needs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.uc-needs span { padding: 5px 11px; border: 1px dashed rgba(244, 241, 233, .3); font-size: 13px; color: var(--paper); }

.uc-steps { display: grid; gap: 14px; margin-bottom: 30px; counter-reset: s; list-style: none; }
.uc-steps li { counter-increment: s; position: relative; padding-left: 38px; font-size: 16px; line-height: 1.6; color: var(--muted); }
.uc-steps li::before {
    content: counter(s);
    position: absolute;
    left: 0;
    top: 2px;
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(244, 241, 233, .28);
    font-size: 11px;
    color: var(--paper);
}
.uc-steps li b { color: var(--paper); font-weight: 600; }

.uc-prompt { position: relative; }
.uc-prompt pre {
    margin: 0;
    padding: 20px 110px 20px 20px;
    background: var(--deep);
    border-left: 2px solid var(--accent);
    font: 14px/1.7 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    color: var(--paper);
    white-space: pre-wrap;
    word-break: break-word;
}

.uc-copy {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid rgba(244, 241, 233, .3);
    border-radius: 2px;
    color: var(--paper);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.uc-copy:hover { border-color: var(--accent); color: #f48a74; }
.uc-copy.is-done { background: var(--accent); border-color: var(--accent); color: var(--white); }

.uc-done { display: inline-flex; align-items: center; gap: 10px; margin-top: 26px; font-size: 14px; color: var(--muted); cursor: pointer; }
.uc-done input { width: 18px; height: 18px; accent-color: var(--accent); }

.uc-empty { padding: 64px 0; text-align: center; color: var(--muted); }

/* ── The free path ── */
.uc-path-list { list-style: none; margin-top: 52px; border-top: 1px solid var(--rule); }

.uc-path-step {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr) auto;
    gap: clamp(16px, 3vw, 40px);
    align-items: start;
    padding: 30px 0;
    border-bottom: 1px solid var(--rule);
}

.uc-path-n { font: clamp(30px, 3.4vw, 46px)/1 var(--display); letter-spacing: -.04em; color: rgba(244, 241, 233, .22); }
.uc-path-step.is-here { background: rgba(213, 72, 50, .07); }
.uc-path-step.is-here .uc-path-n { color: var(--accent); }

.uc-path-body h3 { font-size: clamp(19px, 1.9vw, 25px); margin-bottom: 10px; }
.uc-path-body h3 em {
    display: inline-block;
    margin-left: 10px;
    vertical-align: middle;
    padding: 4px 10px;
    border: 1px solid rgba(213, 72, 50, .6);
    border-radius: 2px;
    font: 600 10px/1 var(--body);
    font-style: normal;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: #f48a74;
}
.uc-path-body p { font-size: 15px; line-height: 1.6; color: var(--muted); max-width: 62ch; }

.uc-path-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.uc-path-meta span { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.uc-path-meta span + span::before { content: "·"; margin-right: 8px; color: rgba(244, 241, 233, .35); }

.uc-path-sub { list-style: none; display: grid; gap: 10px; margin-top: 16px; }
.uc-path-sub li { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; font-size: 15px; }
.uc-path-sub a { color: var(--paper); text-decoration: underline; text-underline-offset: .28em; }
.uc-path-sub a:hover { color: #f48a74; }
.uc-path-sub span { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

.uc-path-go {
    align-self: center;
    padding: 11px 16px;
    border: 1px solid var(--rule);
    border-radius: 2px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    color: var(--paper);
}
.uc-path-go:hover { border-color: var(--accent); color: #f48a74; }

@media (max-width: 760px) {
    .uc-path-step { grid-template-columns: 44px minmax(0, 1fr); gap: 14px; padding: 24px 0; }
    .uc-path-step.is-here { padding-left: 10px; padding-right: 10px; }
    .uc-path-go { grid-column: 2; justify-self: start; margin-top: 14px; }
    .uc-path-body h3 em { margin-left: 0; margin-top: 8px; display: block; width: max-content; }
}

/* ── Closing ── */
.uc-cta {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: clamp(28px, 5vw, 72px);
    align-items: start;
    background: var(--paper);
    color: var(--night);
}
.uc-cta .eyebrow { color: #6b6c64; }
.uc-cta h2 { max-width: 20ch; }
.uc-cta p { max-width: 56ch; margin-top: 20px; color: #55564f; }
.uc-cta .button { margin-top: 32px; }
.uc-cta-list { list-style: none; display: grid; gap: 14px; padding-top: 8px; }
.uc-cta-list li { padding: 16px 18px; background: rgba(23, 24, 23, .05); box-shadow: 0 0 0 1px rgba(23, 24, 23, .16); font-size: 15px; }

.uc-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: space-between;
    padding: 34px var(--gutter);
    border-top: 1px solid var(--rule);
    font-size: 14px;
    color: var(--muted);
}
.uc-footer a { color: var(--paper); }

/* ── Responsive ── */
@media (max-width: 1000px) {
    .uc-hero { grid-template-columns: 1fr; }
    .uc-hero-art { order: -1; }
    .uc-setup-grid { grid-template-columns: repeat(2, 1fr); }
    .uc-start-grid { grid-template-columns: 1fr 1fr; }
    .uc-start-head { grid-template-columns: 1fr; align-items: start; }
    .uc-cta { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .uc-steps-grid { grid-template-columns: 1fr; }
    .uc-step { display: grid; grid-template-columns: 96px 1fr; gap: 18px; align-items: start; }
    .uc-step img { margin-bottom: 0; }
    .uc-start-grid { grid-template-columns: 1fr; }
    .uc-setup-grid { grid-template-columns: 1fr; }
    .uc-nav { gap: 14px; padding: 0 20px; }
    .uc-nav-links { gap: 14px; font-size: 10px; }
    .brand { font-size: 20px; }

    .uc-filters { top: 64px; padding: 14px 0 12px; }
    .uc-frow { flex-direction: column; align-items: flex-start; gap: 6px; }
    .uc-flabel { width: 100%; }
    .uc-frow-search { flex-direction: row; flex-wrap: wrap; align-items: center; }
    .uc-chips {
        flex-wrap: nowrap;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
        scroll-snap-type: x proximity;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .uc-chips::-webkit-scrollbar { display: none; }
    .uc-chip { scroll-snap-align: start; }

    .uc-head { grid-template-columns: 34px 1fr 24px; gap: 12px; padding: 20px 0; }
    .uc-icon { width: 32px; height: 32px; }
    .uc-icon svg { width: 17px; height: 17px; }
    .uc-head-meta { grid-column: 2 / 4; text-align: left; padding-top: 10px; }
    .uc-head-meta .uc-meta { justify-content: flex-start; }
    .uc-body { padding-left: 0; }
    .uc-prompt pre { padding: 52px 16px 18px; }
    .uc-copy { top: 12px; right: 12px; }
}

@media (max-width: 560px) {
    .uc-nav-links a[data-optional] { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .uc-start-card { transition: none; }
    .uc-start-card:hover { transform: none; }
}