/* Connect8 public homepage. Tokens (colors, type, motion) live in tokens.css. */

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/var(--lh) var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { max-width: 100%; }
a { color: var(--accent); }
h1, h2, h3 { line-height: var(--lh-head); margin: 0; font-family: var(--font-head); }
p { margin: 0; }
.wrap { max-width: 1180px; margin: 0 auto; padding-inline: 24px; }
@media (max-width: 480px) { .wrap { padding-inline: 16px; } }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; padding: 10px 16px; border-radius: var(--radius-pill); background: var(--accent); color: var(--accent-ink); text-decoration: none; transition: transform var(--dur-2) var(--ease-out); }
.skip:focus { transform: translateY(72px); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 22px; border-radius: var(--radius-pill); border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); font: 600 15px/1.2 var(--font-head); text-decoration: none; cursor: pointer; white-space: nowrap; transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out), background-color var(--dur-2) var(--ease-out); }
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); box-shadow: 0 6px 18px color-mix(in srgb, var(--accent-2) 30%, transparent); transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-ghost { background: var(--surface); color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); box-shadow: none; }
.btn-small { min-height: 38px; padding: 7px 16px; font-size: 14px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--surface) 86%, transparent); backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 700 20px/1 var(--font-head); color: var(--text); text-decoration: none; letter-spacing: -.02em; }
.brand-mark { width: 26px; height: 26px; }
.brand-by { font: 600 10px/1 var(--font); letter-spacing: .14em; color: var(--faint); text-transform: uppercase; align-self: flex-end; margin-bottom: 2px; }
.site-nav { display: flex; gap: 2px; margin-inline: auto; }
.site-nav a { color: var(--text); text-decoration: none; font-size: 15px; font-weight: 500; padding: 7px 16px; border-radius: var(--radius-pill); transition: background-color var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out); }
.site-nav a:hover, .site-nav a.is-on { background: var(--accent-soft); color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 10px; }
@media (max-width: 820px) {
  .site-nav { display: none; }
  .header-actions { margin-left: auto; }
}
@media (max-width: 420px) {
  .brand-by { display: none; }
}

/* hero */
.hero { position: relative; overflow: hidden; padding-block: 64px 56px; }
.hero::before { content: ""; position: absolute; inset: -40% -10% auto; height: 640px; background: radial-gradient(closest-side, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 70%), radial-gradient(closest-side at 80% 40%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 70%); pointer-events: none; }
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 600 13px/1.4 var(--font-head); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; padding: 5px 12px; border-radius: var(--radius-pill); background: var(--accent-soft); border: 1px solid var(--accent-line); }
.hero h1 { font-size: clamp(34px, 5vw, 54px); font-weight: 700; letter-spacing: -.02em; line-height: 1.22; }
.lede { margin-top: 20px; font-size: 18px; color: var(--muted); max-width: 36em; }
.lede strong { color: var(--text); font-weight: 600; font-family: var(--font-head); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.stats { display: flex; flex-wrap: wrap; gap: 12px 40px; margin: 36px 0 0; }
.stats dt { font-size: 13px; color: var(--faint); }
.stats dd { margin: 2px 0 0; font: 700 26px/1.3 var(--font-head); letter-spacing: -.02em; }
.nowrap { white-space: nowrap; }
@media (max-width: 980px) {
  .hero { padding-block: 44px 40px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 600px) {
  .hero h1 br { display: none; }
  .lede { font-size: 17px; }
  .stats { gap: 12px 24px; }
  .stats dd { font-size: 21px; }
}

/* hero flow map: requests travel agent → Connect8 → system, data comes back */
.flowmap { margin: 0; width: 100%; max-width: 560px; justify-self: center; }
.flowmap-svg { display: block; width: 100%; height: auto; overflow: visible; }
.fm-wire { fill: none; stroke: var(--line-strong); stroke-width: 2; stroke-dasharray: 3 6; stroke-linecap: round; }
.fm-col-label text { font: 600 13px var(--font-head); fill: var(--faint); letter-spacing: .04em; }
.fm-node rect { fill: var(--surface); stroke: var(--line); stroke-width: 1.2; transition: stroke var(--dur-3) var(--ease-out); }
.fm-node text { font: 600 15px var(--font-head); fill: var(--text); }
.fm-node.is-hit rect { stroke: var(--accent-2); }
.fm-dot { opacity: .9; }
.fm-dot-1 { fill: #00a1e0; }
.fm-dot-2 { fill: var(--accent-2); }
.fm-dot-3 { fill: #8b5cf6; }
.fm-dot-4 { fill: #e08a00; }
.fm-hub-halo { fill: color-mix(in srgb, var(--accent-2) 14%, transparent); transform-box: fill-box; transform-origin: center; }
.fm-hub-box { fill: var(--surface); stroke: var(--accent-line); stroke-width: 1.5; }
.fm-hub-mark circle { fill: none; stroke: var(--accent-2); stroke-width: 2.4; }
.fm-hub-mark .fm-hub-core { fill: var(--accent-2); stroke: none; }
.fm-hub-name { font: 700 14px var(--font-head); fill: var(--text); }
.fm-lock rect { fill: var(--accent-soft); stroke: var(--accent-line); }
.fm-lock text { font: 600 12px var(--font-head); fill: var(--accent); }
.fm-packet { pointer-events: none; }
.fm-packet.req { fill: var(--surface); stroke: var(--accent); stroke-width: 2.4; }
.fm-packet.data { fill: var(--accent-2); }
.flowmap-legend { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 20px; margin-top: 14px; font-size: 14px; color: var(--muted); }
.flowmap-legend span { display: inline-flex; align-items: center; gap: 8px; }
.lg { display: inline-block; width: 11px; height: 11px; border-radius: 50%; }
.lg-req { border: 2.4px solid var(--accent); background: var(--surface); }
.lg-data { background: var(--accent-2); }

/* sections */
.section { padding-block: 72px; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section-featured { padding-block: 8px 8px; }
.section-head { max-width: 720px; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 34px); font-weight: 700; }
.section-head p { margin-top: 10px; color: var(--muted); font-size: 17px; }
@media (max-width: 600px) { .section { padding-block: 52px; } .section-featured { padding-block: 0; } }

/* catalog controls */
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.search { position: relative; flex: 1 1 320px; display: flex; align-items: center; min-width: 0; }
.search svg { position: absolute; left: 14px; width: 18px; height: 18px; fill: none; stroke: var(--faint); stroke-width: 2; stroke-linecap: round; pointer-events: none; }
.search input { width: 100%; min-height: 46px; font: 15px var(--font); color: var(--text); background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 11px 44px 11px 42px; min-width: 0; transition: border-color var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out); }
.search input:focus { border-color: var(--accent-2); outline: none; box-shadow: var(--focus); }
.search kbd { position: absolute; right: 12px; font: 12px var(--mono); color: var(--faint); border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; background: var(--surface-2); }
.segmented { display: inline-flex; flex-wrap: wrap; padding: 4px; gap: 2px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-pill); }
.seg { font: 500 14px var(--font); color: var(--muted); background: transparent; border: 0; border-radius: var(--radius-pill); padding: 8px 14px; cursor: pointer; transition: background-color var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out); }
.seg:hover { color: var(--text); }
.seg.is-on { background: var(--accent-soft); color: var(--accent); font-weight: 600; font-family: var(--font-head); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip { font: 500 14px var(--font); color: var(--muted); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-pill); padding: 7px 14px; cursor: pointer; transition: border-color var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out), background-color var(--dur-2) var(--ease-out); }
.chip span { color: var(--faint); font-size: 12.5px; margin-left: 2px; }
.chip:hover { border-color: var(--line-strong); color: var(--text); }
.chip.is-on { background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent); font-weight: 600; }
.chip.is-on span { color: inherit; }
.result-count { margin: 20px 0 14px; font-size: 14px; color: var(--faint); }
@media (max-width: 600px) {
  .chips, .segmented { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .chips::-webkit-scrollbar, .segmented::-webkit-scrollbar { display: none; }
  .chips { margin-inline: -16px; padding-inline: 16px; }
  .chip, .seg { flex: none; white-space: nowrap; }
  .segmented { width: 100%; }
}

/* cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }
.grid-featured { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
@media (max-width: 420px) { .grid, .grid-featured { grid-template-columns: 1fr; } }
.card { display: flex; flex-direction: column; gap: 12px; text-align: left; font: inherit; color: inherit; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-l); padding: 18px; cursor: pointer; min-width: 0; transition: border-color var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out); }
.card:hover { border-color: var(--accent-line); transform: translateY(-3px); box-shadow: var(--shadow); }
.card:active { transform: translateY(-1px) scale(.995); }
.grid-featured .card { background: linear-gradient(120deg, var(--accent-soft), var(--surface) 70%); border-color: var(--accent-line); }
.card-top { display: flex; align-items: center; gap: 12px; min-width: 0; }
.icon { width: 40px; height: 40px; border-radius: 10px; flex: none; object-fit: contain; background: var(--surface-2); padding: 4px; border: 1px solid var(--line); }
.icon-initial { display: grid; place-items: center; padding: 0; font: 700 18px var(--font-head); color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-line); }
.card-title { display: flex; flex-direction: column; min-width: 0; }
.card-name { font: 650 16px/1.35 var(--font-head); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-vendor { font-size: 13px; color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-desc { font-size: 14px; color: var(--muted); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.badge { display: inline-flex; align-items: center; font-size: 12px; font-weight: 550; line-height: 1.2; padding: 4px 9px; border-radius: var(--radius-pill); background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.badge-none { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge-oauth { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge-key { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge-server { background: var(--info-soft); color: var(--info); border-color: transparent; }
.badge-muted { background: transparent; }
.empty { text-align: center; padding: 48px 16px; color: var(--muted); border: 1px dashed var(--line-strong); border-radius: var(--radius-l); }
.empty .btn { margin-top: 14px; }

/* staggered entrance: JS adds .will-reveal only when motion is allowed, so
   without JS (or with reduced motion) everything is simply visible. Only
   opacity and transform change, so nothing shifts. */
.will-reveal { opacity: 0; transform: translateY(14px); }

/* how it works: the connector line draws across as the section scrolls in */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; position: relative; }
.steps::before { content: ""; position: absolute; left: 16%; right: 16%; top: 46px; height: 2px; background: linear-gradient(90deg, var(--accent-2), var(--accent)); transform-origin: left center; transform: scaleX(var(--progress, 1)); transition: transform 900ms var(--ease-in-out); }
.steps.pre::before { --progress: 0; }
.steps li { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-l); padding: 24px; }
.step-no { position: relative; z-index: 1; display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent-line); font: 700 16px var(--font-head); margin-bottom: 16px; transition: background-color var(--dur-3) var(--ease-out), color var(--dur-3) var(--ease-out); }
.steps.lit .step-no { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.steps h3, .channels h3, .features h3 { font-size: 17px; font-weight: 650; }
.steps p, .channels p, .features p { margin-top: 8px; color: var(--muted); font-size: 15px; }
.channels { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 16px; }
.channels article { padding: 20px; border-radius: var(--radius-l); border: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 60%, transparent); }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; }
  .steps::before { left: 45px; right: auto; top: 46px; bottom: 46px; width: 2px; height: auto; transform-origin: center top; transform: scaleY(var(--progress, 1)); background: linear-gradient(180deg, var(--accent-2), var(--accent)); }
}

/* code */
.code-tabs { border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line); background: var(--code-bg); box-shadow: var(--shadow); }
.tabs { position: relative; display: flex; gap: 2px; padding: 8px 8px 0; background: color-mix(in srgb, var(--code-bg) 80%, #2a4250); overflow-x: auto; }
.tab { font: 500 14px var(--font); color: var(--code-comment); background: transparent; border: 0; border-radius: 8px 8px 0 0; padding: 10px 16px; cursor: pointer; white-space: nowrap; transition: color var(--dur-2) var(--ease-out), background-color var(--dur-2) var(--ease-out); }
.tab:hover { color: var(--code-text); }
.tab.is-on { background: var(--code-bg); color: var(--code-text); font-family: var(--font-head); }
.code { margin: 0; padding: 22px 24px; overflow-x: auto; color: var(--code-text); font: 13.5px/1.75 var(--mono); tab-size: 4; }
.code .c { color: var(--code-comment); }
@media (max-width: 480px) { .code { padding: 18px 16px; font-size: 12.5px; } }

/* security */
.features { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.features li { padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-l); position: relative; }
.features li::before { content: ""; display: block; width: 28px; height: 3px; border-radius: 3px; background: var(--accent-2); margin-bottom: 14px; }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

/* call to action + footer */
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding: 36px; border-radius: 22px; background: linear-gradient(120deg, var(--accent-soft), var(--surface) 75%); border: 1px solid var(--accent-line); }
.cta h2 { font-size: 26px; }
.cta p { margin-top: 6px; color: var(--muted); }
@media (max-width: 480px) { .cta-inner { padding: 24px; } }
.cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }
@media (max-width: 520px) { .header-actions .btn-ghost { display: none; } }
.site-footer { border-top: 1px solid var(--line); padding-block: 28px; color: var(--faint); font-size: 14px; }
.footer-inner { display: flex; gap: 12px 24px; align-items: center; flex-wrap: wrap; }
.brand-footer { font-size: 16px; }
.version { margin-left: auto; font-family: var(--mono); font-size: 12px; }

/* detail dialog */
.detail { width: min(720px, calc(100vw - 32px)); max-height: min(86vh, 900px); padding: 0; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); color: var(--text); box-shadow: var(--shadow-l); }
.detail::backdrop { background: rgba(8, 16, 24, .55); backdrop-filter: blur(3px); }
.detail[open] { animation: pop var(--dur-3) var(--ease-out); }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: none; } }
.detail-close { position: sticky; top: 0; float: right; margin: 12px 12px 0 0; z-index: 1; }
.detail-close button { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 22px; line-height: 1; cursor: pointer; }
.detail-close button:hover { color: var(--text); }
#detail-body { padding: 28px; }
@media (max-width: 480px) { #detail-body { padding: 20px; } }
.d-head { display: flex; gap: 16px; align-items: center; padding-right: 40px; }
.d-head .icon { width: 56px; height: 56px; border-radius: 14px; }
.d-head .icon-initial { font-size: 24px; }
.d-head h2 { font-size: 24px; }
.d-sub { color: var(--faint); font-size: 14px; margin-top: 2px; }
.d-desc { margin-top: 18px; color: var(--muted); }
.d-section { margin-top: 26px; }
.d-section h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); font-weight: 650; margin-bottom: 10px; }
.d-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.d-list li { padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); font-size: 14.5px; }
.d-tools li code { font: 600 13px var(--mono); color: var(--text); word-break: break-all; }
.d-tools li p { margin-top: 3px; color: var(--muted); font-size: 13.5px; }
.d-note { font-size: 14px; color: var(--muted); padding: 12px 14px; border-radius: 10px; background: var(--surface-2); border: 1px dashed var(--line-strong); }
.d-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.d-code { margin: 0; padding: 14px 16px; border-radius: 10px; background: var(--code-bg); color: var(--code-text); font: 12.5px/1.7 var(--mono); overflow-x: auto; }
.d-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
body.modal-open { overflow: hidden; }

strong, b { font-family: var(--font-head); }