/* Sofaplot's site pages (the landing page and the guides): light, fast, no app code.
   The planner itself (plan.html) uses styles.css. */
:root {
  --bg: #f7f6f3;
  --panel: #ffffff;
  --soft: #efede8;
  --ink: #1d1d1b;
  --ink-2: #5d5b56;
  --ink-3: #8f8c85;
  --line: #e4e2dc;
  --accent: #2f6fed;
  --accent-soft: #e8efff;
  --ok: #1f8a57;
  --warn: #b26a00;
  --ai: #7c4dff;
  --brand: linear-gradient(135deg, #6d5dfc, #2f6fed);
  --shadow: 0 18px 50px rgba(20, 20, 18, 0.14), 0 2px 6px rgba(20, 20, 18, 0.08);
  --font: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161615; --panel: #1f1f1d; --soft: #262624; --ink: #f1efe9; --ink-2: #b9b6ae; --ink-3: #85827b;
    --line: #34332f; --accent: #5b8cff; --accent-soft: #1d2a48; --ok: #4cc38a; --warn: #f5b44a; --ai: #a58bff;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.3);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #161615; --panel: #1f1f1d; --soft: #262624; --ink: #f1efe9; --ink-2: #b9b6ae; --ink-3: #85827b;
  --line: #34332f; --accent: #5b8cff; --accent-soft: #1d2a48; --ok: #4cc38a; --warn: #f5b44a; --ai: #a58bff;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--font); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 2px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
p { margin: 0 0 1em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-head { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; gap: 18px; height: 60px; }
.logo { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.logo img { width: 30px; height: 30px; }
.logo b { background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.site-nav { display: flex; align-items: center; gap: 18px; margin-left: auto; font-size: 14.5px; }
.site-nav a { color: var(--ink-2); text-decoration: none; }
.site-nav a:hover { color: var(--ink); }
@media (max-width: 640px) { .site-nav .opt { display: none; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); font: 600 15px/1.2 var(--font); text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--ink-3); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.big { padding: 14px 26px; font-size: 16.5px; border-radius: 12px; }
.site-nav .btn { padding: 8px 14px; font-size: 14px; color: #fff; }

/* Hero */
.hero { padding: 64px 0 32px; text-align: center; }
.hero h1 { font-size: clamp(34px, 6vw, 60px); font-weight: 750; max-width: 15ch; margin: 0 auto 18px; }
.hero h1 em { font-style: normal; background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: clamp(17px, 2.2vw, 20px); color: var(--ink-2); max-width: 40em; margin: 0 auto 28px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.fine { color: var(--ink-3); font-size: 14px; margin-top: 14px; }
.shot { border-radius: 14px; box-shadow: var(--shadow); border: 1px solid var(--line); background: var(--panel); }
.hero-shot { margin: 44px auto 0; width: 100%; max-width: min(1080px, 100%); }

/* Sections */
.band { padding: 72px 0; }
.band.alt { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.band h2 { font-size: clamp(26px, 3.6vw, 38px); margin-bottom: 14px; }
.center { text-align: center; }
.center .lede { margin-bottom: 40px; }
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: center; }
.split.flip > :first-child { order: 2; }
.split > *, .grid3 > * { min-width: 0; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 28px; } .split.flip > :first-child { order: 0; } }
.split p { color: var(--ink-2); }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 30px; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%232f6fed' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat; }
.ticks b { color: var(--ink); }
.phone-shot { max-width: 300px; margin: 0 auto; border-radius: 28px; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .grid3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid3 { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.band.alt .card { background: var(--bg); }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: 15px; margin: 0; }
.card .ic { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); margin-bottom: 14px; }
.card .ic svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card.ai .ic { background: color-mix(in srgb, var(--ai) 14%, transparent); color: var(--ai); }
a.card { display: block; color: inherit; text-decoration: none; }
a.card:hover { border-color: var(--ink-3); }
a.card .more { color: var(--accent); font-weight: 600; font-size: 14.5px; margin-top: 12px; display: inline-block; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; list-style: none; padding: 0; margin: 0; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.steps li { counter-increment: step; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; margin-bottom: 12px; }
.steps h3 { font-size: 17px; margin-bottom: 6px; }
.steps p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; padding: 14px 28px 14px 0; position: relative; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 10px; font-size: 22px; color: var(--ink-3); font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink-2); margin: 0 0 14px; }

.cta-band { text-align: center; padding: 72px 0 80px; }
.cta-band h2 { font-size: clamp(26px, 3.6vw, 38px); margin-bottom: 12px; }

/* Guides */
.crumbs { font-size: 14px; color: var(--ink-3); margin: 28px 0 14px; }
.crumbs a { color: var(--ink-2); text-decoration: none; }
.article h1 { font-size: clamp(30px, 5vw, 44px); font-weight: 750; margin-bottom: 14px; }
.article .lede { margin: 0 0 8px; text-align: left; }
.article .meta { color: var(--ink-3); font-size: 14px; margin-bottom: 28px; }
.article h2 { font-size: 25px; margin: 40px 0 12px; }
.article h3 { font-size: 19px; margin: 26px 0 8px; }
.article p, .article li { color: var(--ink-2); }
.article li { margin: 6px 0; }
.article strong { color: var(--ink); }
.article figure { margin: 28px 0; }
.article figcaption { color: var(--ink-3); font-size: 14px; margin-top: 8px; text-align: center; }
.table-wrap { overflow-x: auto; margin: 16px 0 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--ink); background: var(--soft); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td { color: var(--ink-2); }
@media (max-width: 600px) { th, td { padding: 9px 10px; font-size: 14.5px; } }
.note { background: var(--accent-soft); border-radius: 12px; padding: 16px 18px; margin: 20px 0; color: var(--ink); }
.note p:last-child { margin: 0; }
.try { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; margin: 36px 0; }
.try b { display: block; font-size: 18px; color: var(--ink); margin-bottom: 2px; }
.try span { color: var(--ink-2); font-size: 15px; }
.related { margin: 48px 0 24px; }
.related h2 { font-size: 20px; margin-bottom: 14px; }

/* Footer */
.site-foot { border-top: 1px solid var(--line); padding: 36px 0 48px; font-size: 14.5px; color: var(--ink-3); }
.site-foot .cols { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 24px; }
@media (max-width: 760px) { .site-foot .cols { grid-template-columns: 1fr 1fr; } }
.site-foot h4 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-2); }
.site-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-foot a { color: var(--ink-2); text-decoration: none; }
.site-foot a:hover { color: var(--ink); }
.site-foot .small { margin-top: 28px; font-size: 13px; }