/* Flipspread landing page, from the approved canvas "Flipspread landing page" (Melodev design system). */
:root {
  --blue-25: #f3f7fc;
  --blue-50: #c6d4f3;
  --blue-100: #abccf0;
  --blue-200: #84b8ed;
  --blue-300: #5ca6eb;
  --blue-500: #0f85e4;
  --blue-600: #106cc3;
  --blue-700: #1156a2;
  --blue-800: #104283;
  --blue-900: #0e3065;
  --blue-950: #0c2147;
  --brand-primary: #d0e1f5;
  --text: #181d27;
  --text-2: #414651;
  --text-3: #535862;
  --border: #d5d7da;
  --divider: #e9eaeb;
  --bg-2: #fafafa;
  --bg-3: #f5f5f5;
  --display: Montserrat, 'Helvetica Neue', Arial, sans-serif;
  --sans: Inter, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  --gutter: clamp(16px, 5vw, 64px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #ffffff;
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; }
a { color: var(--blue-600); }
a:hover { color: var(--blue-700); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 2px; }
.navy a:focus-visible, .brandband a:focus-visible, .footer a:focus-visible { outline-color: var(--blue-300); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 10; padding: 8px 12px; background: #fff; }
.skip:focus { left: 8px; }
h1, h2, h3 { margin: 0; }
p { margin: 0; }

.wrap { max-width: 1280px; margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.wrap-narrow { max-width: 880px; }
.section { padding-top: 96px; padding-bottom: 96px; display: flex; flex-direction: column; gap: 40px; }
.muted { color: var(--text-3); font-size: 13px; line-height: 18px; }
.grow { flex-grow: 1; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 10px; font-size: 15px; font-weight: 700; text-decoration: none; }
.btn-lg { min-height: 48px; padding: 0 22px; }
.btn-xl { min-height: 52px; padding: 0 26px; font-size: 16px; }
.btn-sm { min-height: 40px; padding: 0 14px; font-size: 14px; }
.btn-primary { background: var(--blue-600); color: #fff; }
.btn-primary:hover { background: var(--blue-700); color: #fff; }
.btn-secondary { border: 1px solid var(--border); background: #fff; color: var(--text); }
.btn-secondary:hover { background: var(--bg-3); color: var(--text); }
.btn-white { background: #fff; color: var(--blue-600); }
.btn-white:hover { background: var(--brand-primary); color: var(--blue-600); }

/* Type */
.eyebrow { font-family: var(--display); font-size: 16px; line-height: 24px; font-weight: 600; color: var(--blue-600); }
.eyebrow-navy { color: var(--blue-200); }
h1 { font-family: var(--display); font-weight: 600; font-size: clamp(40px, 5vw, 64px); line-height: 1.12; letter-spacing: -0.02em; color: var(--blue-950); }
h2 { font-family: var(--display); font-weight: 600; font-size: clamp(32px, 3.4vw, 48px); line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-family: var(--display); font-size: 22px; line-height: 30px; font-weight: 600; }
.h3-sm { font-family: var(--sans); font-size: 19px; line-height: 28px; font-weight: 700; }
.lead { max-width: 560px; font-size: 19.5px; line-height: 29px; font-weight: 500; color: var(--text-2); }
.fine { font-size: 14px; line-height: 20px; color: var(--text-3); }
.intro { display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
.intro p { font-size: 18px; line-height: 28px; color: var(--text-2); }
.source { font-size: 13px; line-height: 18px; color: var(--text-3); }

/* Hero */
.hero { background: var(--blue-25); border-bottom: 1px solid var(--divider); position: relative; }
.nav { padding-top: 20px; padding-bottom: 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 32px; }
.brand { display: flex; align-items: center; min-height: 44px; flex-grow: 1; }
.brand img { display: block; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 24px; font-size: 15px; font-weight: 600; }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--text-2); text-decoration: none; }
.nav-link:hover { color: var(--blue-600); }
.hero-body { padding-top: 40px; padding-bottom: 88px; display: flex; flex-wrap: wrap; align-items: center; gap: 48px; }
.hero-copy { flex: 1 1 440px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual { flex: 1 1 480px; min-width: 0; }
.book-stage { position: relative; width: 100%; aspect-ratio: 1.2 / 1; min-height: 300px; border-radius: 24px; background: var(--brand-primary); border: 1px solid var(--blue-100); overflow: hidden; }
#book-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.book-fallback { position: absolute; inset: 48px 40px 96px; display: flex; justify-content: center; gap: 2px; }
.book-fallback[hidden] { display: none; }
.book-fallback img { height: 100%; width: auto; max-width: 50%; object-fit: contain; display: block; box-shadow: 0 12px 32px rgba(12, 33, 71, 0.25); }
.stage-pill { position: absolute; left: 16px; top: 16px; display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 9999px; background: #fff; color: var(--text); font-size: 13px; line-height: 18px; font-weight: 600; box-shadow: 0 4px 16px rgba(12, 33, 71, 0.25); }
.dot { width: 8px; height: 8px; border-radius: 9999px; background: #079455; transition: background-color 200ms ease-out; }
.embed-bar { position: absolute; left: 16px; right: 16px; bottom: 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 12px 14px; border-radius: 12px; background: rgba(12, 33, 71, 0.92); border: 1px solid var(--blue-700); }
.embed-bar code { flex: 1 1 260px; min-width: 0; font-family: var(--mono); font-size: 12.5px; line-height: 18px; color: var(--blue-50); overflow-wrap: anywhere; }
.unchanged { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: #fff; }

/* Grids and cards */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px 32px; }
.card { border: 1px solid var(--border); border-radius: 16px; padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.card p { font-size: 16px; line-height: 24px; color: var(--text-2); }
.card-soft { background: var(--bg-2); border-color: var(--divider); gap: 10px; }
.tint { background: var(--bg-2); border-top: 1px solid var(--divider); border-bottom: 1px solid var(--divider); }

/* How it works */
.split { flex-direction: row; flex-wrap: wrap; gap: 56px; align-items: center; }
.split-main { flex: 1 1 440px; min-width: 0; display: flex; flex-direction: column; gap: 32px; }
.split-side { flex: 1 1 440px; min-width: 0; }
.steps { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 24px; }
.steps li { display: flex; gap: 20px; }
.steps h3 { font-family: var(--sans); font-size: 19px; line-height: 28px; font-weight: 700; }
.steps p { margin-top: 6px; font-size: 16px; line-height: 24px; color: var(--text-2); }
.step-n { flex-shrink: 0; width: 44px; height: 44px; border-radius: 9999px; background: var(--blue-600); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--display); font-size: 18px; font-weight: 600; }
.panel { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; gap: 16px; box-shadow: 0 12px 32px rgba(16, 24, 40, 0.08); }
.panel-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.panel-head h3 { flex-grow: 1; font-size: 20px; line-height: 28px; }
.link-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; background: var(--bg-2); border: 1px solid var(--divider); }
.link-row code { flex-grow: 1; min-width: 0; font-family: var(--mono); font-size: 13px; color: var(--text-2); overflow-wrap: anywhere; }
.tag { font-size: 12px; font-weight: 600; color: var(--text-2); }
.versions { display: flex; flex-direction: column; }
.version { display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--divider); }
.version:last-child { border-bottom: 0; }
.version img, .version .blank { display: block; width: 56px; height: 75px; object-fit: cover; box-shadow: 0 1px 3px rgba(16, 24, 40, 0.2); }
.version .blank { background: var(--divider); box-shadow: none; }
.version > div:not(.blank) { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.version strong { font-size: 15px; font-weight: 600; }
.live { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 9999px; background: #ecfdf3; color: #067647; font-size: 12px; font-weight: 700; }
.live span { width: 6px; height: 6px; border-radius: 9999px; background: #079455; }

/* Navy band */
.navy { background: var(--blue-950); color: #fff; }
.navy h2 { color: var(--blue-50); }
.h3-navy { font-family: var(--sans); font-size: 17px; line-height: 26px; font-weight: 700; color: #fff; }
.navy .grid-2 p { margin-top: 6px; font-size: 15px; line-height: 23px; color: var(--blue-50); }
.code { margin: 0; background: var(--blue-900); border: 1px solid var(--blue-700); border-radius: 16px; overflow: hidden; }
.code figcaption { padding: 12px 16px; border-bottom: 1px solid var(--blue-700); font-size: 13px; font-weight: 600; color: var(--blue-200); }
.code pre { margin: 0; padding: 20px 16px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 22px; color: #fff; }
.code .c { color: var(--blue-200); }

/* Comparison */
.section-compare { padding-bottom: 48px; gap: 32px; }
.table-box { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; }
table { width: 100%; min-width: 820px; border-collapse: collapse; font-size: 15px; line-height: 22px; }
thead tr { background: var(--bg-2); text-align: left; }
thead th { padding: 16px 20px; font-size: 15px; font-weight: 700; border-bottom: 1px solid var(--border); }
thead .th-first { width: 26%; font-size: 13px; font-weight: 600; color: var(--text-3); }
thead .th-us { color: var(--blue-900); background: var(--brand-primary); }
tbody th { padding: 16px 20px; text-align: left; font-weight: 600; border-bottom: 1px solid var(--divider); }
tbody td { padding: 16px 20px; color: var(--text-2); border-bottom: 1px solid var(--divider); }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
tbody td.us { background: var(--blue-25); font-weight: 600; color: var(--text); }

/* Pricing */
.section-pricing { padding-top: 48px; gap: 32px; }
.grid-pricing { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); max-width: 880px; }
.plan { border: 2px solid var(--blue-500); border-radius: 16px; padding: 31px; display: flex; flex-direction: column; gap: 20px; }
.plan .muted { font-size: 15px; line-height: 22px; margin-top: 6px; }
.plan-name { font-size: 24px; line-height: 32px; }
.price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; }
.price span:first-child { font-family: var(--display); font-size: 48px; line-height: 56px; font-weight: 600; letter-spacing: -0.96px; font-variant-numeric: tabular-nums; }
.price .muted { font-size: 15px; margin: 0; }
.included { background: var(--bg-2); border: 1px solid var(--divider); border-radius: 16px; padding: 32px; display: flex; flex-direction: column; gap: 14px; }
.included ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; font-size: 15px; line-height: 22px; color: var(--text-2); }
.included li { display: flex; gap: 10px; }
.included li::before { content: ''; flex-shrink: 0; width: 18px; height: 18px; margin-top: 2px; background: no-repeat center / 18px 18px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23106cc3' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E"); }

/* FAQ */
.faqs { display: flex; flex-direction: column; gap: 12px; }
details { background: #fff; border: 1px solid var(--border); border-radius: 12px; }
summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 16px; min-height: 44px; padding: 18px 20px; font-size: 17px; line-height: 26px; font-weight: 700; }
summary::-webkit-details-marker { display: none; }
summary span { flex-grow: 1; }
.chev { flex-shrink: 0; transition: transform 200ms ease-out; }
details[open] .chev { transform: rotate(180deg); }
details p { padding: 0 20px 20px; font-size: 16px; line-height: 24px; color: var(--text-2); }

/* Demo and footer */
.brandband { background: var(--blue-800); color: #fff; }
.demo { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 32px; }
.demo-copy { flex: 1 1 520px; display: flex; flex-direction: column; gap: 16px; }
.demo-copy h2 { color: var(--blue-50); }
.demo-copy p { font-size: 18px; line-height: 28px; }
.demo-cta { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--blue-50); }
.demo-cta span a { color: #fff; }
.footer { background: var(--blue-950); color: var(--blue-50); }
.footer-row { padding-top: 32px; padding-bottom: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 32px; font-size: 14px; }
.footer-row img { display: block; }
.footer a { color: #fff; }

/* Legal pages */
.legal-top { background: var(--blue-25); border-bottom: 1px solid var(--divider); }
.legal { max-width: 760px; padding-top: 56px; padding-bottom: 96px; font-size: 16px; line-height: 26px; color: var(--text-2); }
.legal h1 { font-size: clamp(32px, 4vw, 44px); }
.legal h2 { margin-top: 40px; font-size: 22px; line-height: 30px; letter-spacing: 0; color: var(--text); }
.legal p, .legal ul { margin: 12px 0 0; }
.legal ul { padding-left: 22px; }
.legal li + li { margin-top: 6px; }
.legal strong { color: var(--text); }
.legal-date { color: var(--text-3); font-size: 14px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}