/*
 * Public site shell: header, menus, footer, containers and shared public controls.
 * Loaded by the home page and every footer page after coinkun.css. It never styles
 * the merchant dashboard or the documentation portal.
 *
 * The whole public site uses the home page's white, pale-blue and navy palette.
 * Shared tokens, fonts and controls live here; page-specific layouts stay separate.
 */

:root {
  /* Aliases kept for public-pages.css; they resolve to the shared tokens. */
  --lp-blue: var(--ck-accent);
  --lp-action: var(--ck-accent);
  --lp-title: var(--ck-text-strong);
  --lp-text: var(--ck-text);
  --lp-muted: var(--ck-text-muted);
  --lp-line: var(--ck-border-strong);
  --lp-pale: var(--ck-sky-50);
  --lp-header-height: 64px;
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/ibm-plex-sans-regular-90cc55e6.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/ibm-plex-sans-medium-9fb7ea15.woff2") format("woff2");
}
.landing-page {
  --ck-bg: #ffffff;
  --ck-canvas: #ffffff;
  --ck-surface: #ffffff;
  --ck-surface-sunken: #f5f8fc;
  --ck-surface-tint: #edf4fc;
  --ck-text: #43536a;
  --ck-text-strong: #14243c;
  --ck-text-muted: #5c6d84;
  --ck-text-subtle: #748399;
  --ck-border: #e1e7ef;
  --ck-border-strong: #cbd6e3;
  --ck-border-control: #8394ac;
  --ck-accent: #245eea;
  --ck-accent-hover: #1647bf;
  --ck-accent-text: #1d51c4;
  --ck-accent-soft: #e8f0ff;
  --ck-accent-softer: #f1f6ff;
  --ck-focus-outline: 2px solid #245eea;
  --ck-success-text: #18724f;
  --ck-success-bg: #edf7f1;
  --ck-success-border: #c8e5d5;
  --ck-success-dot: #18724f;
  --ck-warning-text: #8c5b0b;
  --ck-warning-bg: #fff7e7;
  --ck-warning-border: #ebd4ac;
  --ck-warning-dot: #8c5b0b;
  --ck-error-text: #b13d4a;
  --ck-error-bg: #fceff1;
  --ck-error-border: #edcdd2;
  --ck-error-dot: #b13d4a;
  --ck-info-text: #1d51c4;
  --ck-info-bg: #e8f0ff;
  --ck-info-border: #cbdcfa;
  --ck-info-dot: #245eea;
  --ck-neutral-text: #5c6d84;
  --ck-neutral-bg: #f1f4f8;
  --ck-neutral-border: #d8e0ea;
  --ck-neutral-dot: #748399;
  --ck-code-inline-bg: #edf2f8;
  --ck-code-inline-text: #29476b;
  --ck-shadow-overlay: 0 16px 40px -16px rgb(20 36 60 / 20%);
  --lp-ink: var(--ck-text-strong);
  --lp-body: var(--ck-text);
  --lp-dim: var(--ck-text-muted);
  --lp-sky: var(--ck-accent-text);
  --lp-line: var(--ck-border);
  color-scheme: light;
  background: #fff;
}
.landing-page *, .landing-page *::before, .landing-page *::after { box-sizing: border-box; }
.landing-page ::selection { background: #d6e6ff; color: #14243c; }

html { scroll-padding-top: calc(var(--lp-header-height) + 24px); }
body.landing-page { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--ck-bg); color: var(--ck-text); font: var(--ck-weight-regular) 16px/1.6 var(--ck-font-sans); text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.landing-page main { flex: 1 0 auto; }
.landing-page [hidden] { display: none !important; }
:where(.landing-page) a { color: inherit; text-decoration: none; }
.landing-page :is(button, input, select, textarea) { font: inherit; }
.landing-page button { cursor: pointer; }
.landing-page :is(a, button, summary) { -webkit-tap-highlight-color: transparent; }
.landing-page :focus-visible { outline: var(--ck-focus-outline); outline-offset: 3px; border-radius: 4px; }
:where(.landing-page) :is(h1, h2, h3, h4, p) { margin: 0; }
.landing-page :is(h1, h2, h3) { color: var(--ck-text-strong); font-weight: var(--ck-weight-semibold); }
.landing-page :is(h1, h2) { font-family: "IBM Plex Sans", var(--ck-font-sans); }
.landing-page h1 { font-size: clamp(38px, 5vw, 60px); line-height: 1.05; letter-spacing: var(--ck-tracking-display); }
.landing-page h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.12; letter-spacing: -0.035em; }
.landing-page h3 { font-size: var(--ck-text-xl); line-height: 1.3; letter-spacing: var(--ck-tracking-heading); }
.landing-page h2 span, .landing-page h1 span { color: var(--ck-accent); }
.landing-page .ui-icon { flex-shrink: 0; vertical-align: middle; }
.landing-page code { font-family: var(--ck-font-mono); font-size: 0.9em; }

.lp-container { width: 100%; max-width: 1248px; margin-inline: auto; padding-inline: 40px; }
.lp-section { margin-top: 104px; }

/* Header: an opaque white surface, separated by one fine line. */
.lp-header { position: sticky; top: 0; z-index: var(--ck-z-header); border-bottom: 1px solid var(--ck-border); background: #fff; transition: border-color var(--ck-duration); }
.lp-header-bar { display: flex; align-items: center; gap: 24px; max-width: 1248px; min-height: var(--lp-header-height); margin: 0 auto; padding: 0 40px; }
.landing-page .ck-brand__tile { background: #245eea; box-shadow: none; }
.lp-brand { min-height: 44px; color: var(--ck-text-strong) !important; }
.lp-desktop-nav { display: flex; align-items: center; gap: 4px; }
.lp-desktop-nav a { padding: 8px 10px; border-radius: var(--ck-radius-sm); color: var(--ck-text); font-size: var(--ck-text-sm); font-weight: var(--ck-weight-medium); white-space: nowrap; transition: color var(--ck-duration-fast), background-color var(--ck-duration-fast); }
.lp-desktop-nav a:hover { background: var(--ck-accent-softer); color: var(--ck-accent-text); }
.lp-header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.lp-mobile-toggle { display: none; }
.landing-page .lp-mobile-toggle { width: 44px; height: 44px; border-color: var(--ck-border-control); background: #fff; color: var(--ck-text-strong); }
.landing-page .lp-header .ck-btn--secondary,
.landing-page .lp-mobile-actions .ck-btn--secondary { --ck-btn-bg: #fff; --ck-btn-border: #cbd6e3; --ck-btn-fg: #14243c; --ck-btn-hover-bg: #f5f8fc; }
.landing-page .ck-btn--primary { --ck-btn-bg: #245eea; --ck-btn-border: #245eea; --ck-btn-fg: #fff; --ck-btn-hover-bg: #1647bf; box-shadow: none; }

.lp-sitemap-group h3 { margin-bottom: 12px; color: var(--ck-text-strong); font-size: 13px; font-weight: var(--ck-weight-semibold); letter-spacing: 0; text-transform: none; }
.lp-sitemap-group ul { margin: 0; padding: 0; list-style: none; }
.lp-sitemap-group li + li { margin-top: 6px; }
.lp-sitemap-group a { display: inline-block; padding: 2px 0; color: var(--ck-text); font-size: var(--ck-text-sm); }
.lp-sitemap-group a:hover { color: var(--ck-accent-text); }

.lp-mobile-menu { border-top: 1px solid var(--ck-border); background: #fff; max-height: calc(100svh - var(--lp-header-height)); overflow-y: auto; box-shadow: var(--ck-shadow-overlay); }
.lp-mobile-links { display: grid; padding: 8px 20px; }
.lp-mobile-links > a { display: flex; align-items: center; min-height: var(--ck-touch); border-bottom: 1px solid var(--ck-border); color: var(--ck-text-strong); font-size: var(--ck-text-md); font-weight: var(--ck-weight-medium); }
.lp-mobile-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 12px 20px 24px; }

/* Shared tab strip: an underlined row used by the home showcase and the pricing page. */
.lp-tabs-scroll { max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.lp-tabs-scroll::-webkit-scrollbar { display: none; }
.lp-tabs-scroll.has-overflow-start { -webkit-mask-image: linear-gradient(90deg, transparent, #000 32px); mask-image: linear-gradient(90deg, transparent, #000 32px); }
.lp-tabs-scroll.has-overflow-end { -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 32px), transparent); mask-image: linear-gradient(90deg, #000 calc(100% - 32px), transparent); }
.lp-tabs-scroll.has-overflow-start.has-overflow-end { -webkit-mask-image: linear-gradient(90deg, transparent, #000 32px, #000 calc(100% - 32px), transparent); mask-image: linear-gradient(90deg, transparent, #000 32px, #000 calc(100% - 32px), transparent); }
.lp-tabs { display: flex; gap: 24px; width: max-content; border-bottom: 1px solid var(--ck-border); }
.lp-tabs button { display: inline-flex; align-items: center; min-height: 44px; margin-bottom: -1px; padding: 0; border: 0; border-bottom: 2px solid transparent; background: none; color: var(--ck-text-muted); font-size: var(--ck-text-md); font-weight: var(--ck-weight-semibold); white-space: nowrap; transition: color var(--ck-duration-fast), border-color var(--ck-duration-fast); }
.lp-tabs button:hover { color: var(--ck-text-strong); }
.lp-tabs button[aria-selected="true"] { border-bottom-color: var(--ck-accent); color: var(--ck-accent-text); }
.lp-tabs button:focus-visible { outline-offset: -2px; }

/* Shared disclosure icon for FAQ-style details: a plain plus that becomes a minus. */
.lp-faq-icon { position: relative; display: inline-block; width: 20px; height: 20px; flex-shrink: 0; }
.lp-faq-icon::before, .lp-faq-icon::after { content: ""; position: absolute; top: 9px; left: 4px; width: 12px; height: 1.5px; border-radius: 1px; background: var(--ck-text-muted); }
.lp-faq-icon::after { transform: rotate(90deg); transition: transform var(--ck-duration) var(--ck-ease); }
details[open] .lp-faq-icon::before, details[open] .lp-faq-icon::after { background: var(--ck-accent); }
details[open] .lp-faq-icon::after { transform: rotate(0); }

/* Footer: calm and structured. */
.lp-footer { margin-top: 88px; border-top: 1px solid var(--ck-border); background: #f7f9fc; }
.lp-footer-top { display: grid; grid-template-columns: minmax(240px, 320px) minmax(0, 1fr); gap: 64px; padding-top: 32px; padding-bottom: 28px; }
.lp-footer-brand { display: grid; align-content: start; justify-items: start; gap: 12px; color: var(--ck-text-muted); font-size: var(--ck-text-sm); line-height: 1.6; }
.lp-footer-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.lp-footer-bottom { display: flex; align-items: center; gap: 24px; min-height: 56px; border-top: 1px solid var(--ck-border); color: var(--ck-text-muted); font-size: var(--ck-text-xs); }
.lp-back-top { display: grid; place-items: center; width: 36px; height: 36px; margin-left: auto; border: 1px solid var(--ck-border-strong); border-radius: 50%; background: #fff; color: var(--ck-accent-text); }
.lp-back-top svg { transform: rotate(-90deg); }
.lp-back-top:hover { border-color: var(--ck-accent); color: var(--ck-accent); }

@media (max-width: 1023px) {
  .lp-desktop-nav { display: none; }
  .lp-mobile-toggle { display: inline-grid; }
  .lp-header-dashboard { display: none; }
}

@media (max-width: 1024px) {
  .lp-footer-top { grid-template-columns: 1fr; gap: 24px; }
  .lp-footer-links { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .lp-section { margin-top: 72px; }
  .lp-header-start { display: none; }
  .lp-footer { margin-top: 64px; }
  .lp-footer-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-footer-bottom { flex-wrap: wrap; gap: 4px 16px; padding-block: 8px; }
  .lp-sitemap-group h3 { margin-bottom: 8px; }
  .lp-sitemap-group li + li { margin-top: 0; }
  .lp-sitemap-group a { display: flex; align-items: center; min-height: 32px; }
  .lp-back-top { width: 44px; height: 44px; }
}

@media (max-width: 1023px) {
  .lp-container, .lp-header-bar { padding-inline: 28px; }
}

@media (max-width: 479px) {
  .lp-container, .lp-header-bar { padding-inline: 20px; }
  .lp-header-bar { gap: 12px; }
  .lp-mobile-actions { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .landing-page *, .landing-page *::before, .landing-page *::after { scroll-behavior: auto; transition: none !important; }
}