/* CohortHouse. Layout: a front porch (hero) then a walk through the rooms; one lit window is the only bright color. */
:root {
  --paper: #F4F5F2;      /* plaster wall, a cool off-white */
  --surface: #FFFFFF;
  --ink: #221B26;        /* near-black with a plum bias */
  --muted: #5E5763;
  --line: #DCD9DE;
  --door: #5B2A55;       /* the front door: primary */
  --door-soft: #EFE5EE;
  --lamp: #F2BE3C;       /* porch light: logo window, one highlight per view */
  --lamp-ink: #3A2A00;
  --sage: #3F6B52;       /* yes / going */
  --sage-soft: #E3EEE7;
  --brick: #A4442C;      /* no / cancelled */
  --shadow: 0 1px 2px rgba(34,27,38,.06), 0 8px 24px rgba(34,27,38,.08);
  --f-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --f-body: "Figtree", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --r: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #17131A; --surface: #211B25; --ink: #F1ECF2; --muted: #B3AAB8; --line: #3A3240;
    --door: #D7A6D0; --door-soft: #34233A; --lamp: #F2BE3C; --lamp-ink: #2A1E00;
    --sage: #8FC7A4; --sage-soft: #1F3328; --brick: #F08F76;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #17131A; --surface: #211B25; --ink: #F1ECF2; --muted: #B3AAB8; --line: #3A3240;
  --door: #D7A6D0; --door-soft: #34233A; --lamp: #F2BE3C; --lamp-ink: #2A1E00;
  --sage: #8FC7A4; --sage-soft: #1F3328; --brick: #F08F76;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35); color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--f-body); }
a { color: var(--door); text-underline-offset: 3px; }
a:focus-visible, .btn:focus-visible, summary:focus-visible { outline: 3px solid var(--lamp); outline-offset: 2px; border-radius: 6px; }
h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.12; text-wrap: balance; margin: 0; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.9rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 650; }
h3 { font-size: 1.15rem; font-weight: 650; }
p { margin: 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 20px; }
.narrow { max-width: 760px; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 62ch; }
.small { font-size: .88rem; color: var(--muted); }
.eyebrow { font: 600 .78rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--door); }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
section { padding-block: 72px; }
section.band { background: var(--surface); border-block: 1px solid var(--line); }
.section-head { display: grid; gap: 12px; margin-bottom: 36px; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 999px; background: var(--door); color: var(--paper); font: 600 1rem/1 var(--f-body); text-decoration: none; border: 2px solid var(--door); transition: transform .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--door); }
.btn.sm { padding: 9px 16px; font-size: .92rem; }

/* header */
.site-head { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 66px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 1.25rem/1 var(--f-display); letter-spacing: -0.02em; }
.brand svg { width: 34px; height: 34px; color: var(--door); flex: none; }
.nav { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .98rem; }
.nav a:not(.btn):hover { color: var(--door); }
@media (max-width: 640px) { .hide-sm { display: none; } .nav { gap: 14px; } .nav a:not(.btn) { font-size: .92rem; } }

/* hero */
.hero { padding-block: 64px 80px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 56px; align-items: center; }
.hero-copy { display: grid; gap: 22px; min-width: 0; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); } }

/* the house window: example app */
.house { position: relative; min-width: 0; }
.house-roof { width: 78%; margin: 0 auto -1px; display: block; color: var(--door); }
.phone { background: var(--surface); border: 2px solid var(--door); border-radius: 18px; padding: 18px; display: grid; gap: 12px; box-shadow: var(--shadow); }
.phone-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.phone-top b { font-family: var(--f-display); font-size: 1.05rem; }
.example-tag { position: absolute; top: 10px; right: 0; font: 600 .7rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; background: var(--lamp); color: var(--lamp-ink); padding: 6px 8px; border-radius: 4px; }
.tile { border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; display: grid; gap: 6px; background: var(--paper); min-width: 0; }
.tile .k { font: 600 .7rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.tile .when { font-family: var(--f-mono); font-size: .85rem; color: var(--muted); }
.rsvp { display: flex; gap: 8px; flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; gap: 6px; font: 600 .78rem/1 var(--f-body); padding: 6px 10px; border-radius: 999px; background: var(--door-soft); color: var(--door); }
.pill.go { background: var(--sage-soft); color: var(--sage); }
.pill.on { background: var(--door); color: var(--surface); }
.bar { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--door); border-radius: 99px; }
.poll-row { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 4px 10px; font-size: .9rem; align-items: center; }
.poll-row .bar { grid-column: 1 / -1; }
.ask { display: grid; gap: 8px; }
.ask .q { justify-self: end; background: var(--door); color: var(--surface); padding: 8px 12px; border-radius: 14px 14px 4px 14px; font-size: .9rem; max-width: 85%; }
.ask .a { background: var(--paper); border: 1px solid var(--line); padding: 8px 12px; border-radius: 14px 14px 14px 4px; font-size: .9rem; max-width: 92%; }
.ask .who { font: 600 .72rem/1 var(--f-mono); color: var(--door); letter-spacing: .04em; }
.faces { display: flex; flex-wrap: wrap; gap: 4px; }
.faces span { width: 22px; height: 22px; border-radius: 6px; background: var(--door-soft); border: 1px solid var(--line); }
.faces span.met { background: var(--lamp); border-color: var(--lamp); }

/* window grid: audiences */
.windows { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border: 2px solid var(--door); border-radius: var(--r); overflow: hidden; background: var(--surface); }
.windows > div { padding: 22px; display: grid; gap: 8px; align-content: start; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.windows h3 { font-size: 1.05rem; }
.windows p { color: var(--muted); font-size: .98rem; }

@media (max-width: 820px) { .windows { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .windows { grid-template-columns: minmax(0, 1fr); } }

/* rooms list */
.rooms { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px 40px; }
.room { display: grid; grid-template-columns: 36px minmax(0, 1fr); grid-template-rows: auto 1fr; gap: 6px 14px; align-content: start; }
.room svg { width: 36px; height: 36px; color: var(--door); grid-column: 1; grid-row: 1; }
.room > :not(svg) { grid-column: 2; }
.room h3 { align-self: center; }
.room p { color: var(--muted); }

/* steps: a real sequence */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; counter-reset: s; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); } }
.steps li { counter-increment: s; display: grid; gap: 8px; align-content: start; padding-top: 16px; border-top: 2px solid var(--door); }
.steps li::before { content: "Step " counter(s); font: 600 .74rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--door); }
.steps p { color: var(--muted); font-size: .98rem; }

/* compare table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: .96rem; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { font-family: var(--f-display); font-size: 1rem; }
tbody tr:last-child td { border-bottom: 0; }
td.us { background: var(--door-soft); color: var(--ink); font-weight: 600; }
th.us { background: var(--door-soft); color: var(--door); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; align-items: stretch; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 26px; display: grid; gap: 14px; grid-template-rows: auto auto auto 1fr auto; min-width: 0; }
.plan.lit { border: 2px solid var(--door); box-shadow: var(--shadow); position: relative; }
.plan.lit::before { content: "Most groups pick this"; position: absolute; top: -12px; left: 22px; background: var(--lamp); color: var(--lamp-ink); font: 600 .72rem/1 var(--f-mono); padding: 6px 8px; border-radius: 4px; letter-spacing: .04em; }
.price { font: 700 2.6rem/1 var(--f-display); letter-spacing: -0.03em; }
.price small { font: 500 .95rem/1.2 var(--f-body); color: var(--muted); letter-spacing: 0; }
.plan ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: .96rem; }
.plan li { display: grid; grid-template-columns: 18px minmax(0,1fr); gap: 8px; }
.plan li::before { content: ""; width: 10px; height: 10px; margin-top: 8px; border-radius: 2px; background: var(--door); }
.plan li.no { color: var(--muted); }
.plan li.no::before { background: transparent; border: 1.5px solid var(--muted); }

/* faq / help */
.faq { display: grid; gap: 10px; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 4px 18px; }
summary { cursor: pointer; font: 600 1.02rem/1.4 var(--f-body); padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-family: var(--f-mono); color: var(--door); }
details[open] summary::after { content: "\2212"; }
details > div { padding-bottom: 16px; display: grid; gap: 10px; color: var(--muted); }
details > div strong { color: var(--ink); }
.help-groups { display: grid; gap: 40px; }
.help-groups h2 { font-size: 1.35rem; margin-bottom: 14px; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; }
.toc a { text-decoration: none; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink); font-size: .92rem; }

/* prose pages */
.prose { display: grid; gap: 16px; }
.prose h2 { font-size: 1.4rem; margin-top: 18px; }
.prose ul { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; }
.prose p, .prose li { color: var(--ink); }
.callout { background: var(--door-soft); border-radius: var(--r); padding: 18px 20px; display: grid; gap: 8px; }
.page-head { padding-block: 64px 24px; display: grid; gap: 16px; }

/* cta band */
.cta .wrap { display: grid; gap: 18px; justify-items: start; }
.cta h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }

/* footer */
.site-foot { padding-block: 48px 40px; border-top: 1px solid var(--line); background: var(--surface); }
.site-foot .cols { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 28px; }
.site-foot h4 { font: 600 .78rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 12px; }
.site-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-foot a:not(.brand) { color: var(--ink); text-decoration: none; font-size: .95rem; }
.site-foot a:not(.brand):hover { color: var(--door); }
@media (max-width: 760px) { .site-foot .cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } .site-foot .cols > :first-child { grid-column: 1 / -1; } }

/* logo light: one gentle moment on load */
.lamp-pane { fill: var(--lamp); }
@media (prefers-reduced-motion: no-preference) {
  .site-head .lamp-pane { animation: lampOn 900ms ease-out 250ms both; }
}
@keyframes lampOn { 0% { opacity: .25; } 60% { opacity: 1; } 75% { opacity: .7; } 100% { opacity: 1; } }