/* =========================================================================
   YSS (Your Sailing Stats) — landing + legal styles
   One shared stylesheet for index.html, privacy.html, terms.html.
   No external fonts/assets. Palette anchored to the transactional email brand.
   ========================================================================= */

/* ---- Design tokens ---------------------------------------------------- */
:root {
  /* Brand palette (from track_server/src/resorces/mail_confirmation.html) */
  --color-primary: #0066cc;
  --color-primary-ink: #004a99;   /* hover / pressed, high-contrast link text */
  --color-navy: #00223f;          /* hero gradient dark stop */
  --color-ocean: #003a66;         /* hero gradient mid stop */
  --color-accent-light: #e6f2ff;  /* highlight fill */

  --bg: #f9f9f9;
  --surface: #ffffff;
  --surface-2: #f2f6fb;
  --text: #333333;
  --heading: #14243a;
  --muted: #5f6b7a;               /* darker than the email's #777 to clear AA */
  --hairline: #e6e9ee;
  --hairline-strong: #d5dbe4;

  --radius: 6px;
  --radius-lg: 14px;

  --maxw: 1120px;
  --maxw-legal: 760px;

  /* Spacing scale */
  --s1: 4px;
  --s2: 8px;
  --s3: 16px;
  --s4: 24px;
  --s5: 40px;
  --s6: 64px;
  --s7: 96px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --shadow-sm: 0 1px 2px rgba(20, 36, 58, .06), 0 1px 3px rgba(20, 36, 58, .08);
  --shadow-md: 0 6px 24px rgba(20, 36, 58, .10);

  --hero-gradient: linear-gradient(158deg, #001a30 0%, var(--color-navy) 34%, var(--color-ocean) 72%, #024e91 100%);
}

/* ---- Reset / base ----------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; }
svg { display: inline-block; vertical-align: middle; }

a { color: var(--color-primary-ink); text-decoration-color: rgba(0, 102, 204, .35); text-underline-offset: 2px; }
a:hover { color: var(--color-primary); }

h1, h2, h3, h4 { color: var(--heading); line-height: 1.2; letter-spacing: -0.01em; }

p { margin: 0 0 var(--s3); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(16px, 5vw, 40px);
}

/* Accessibility: skip link + focus */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 var(--radius) 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; color: #fff; }

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip: rect(0 0 0 0); clip-path: inset(50%);
  overflow: hidden; white-space: nowrap;
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* =========================================================================
   Header / navigation
   ========================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--hairline);
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--s3);
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--heading);
  text-decoration: none;
  letter-spacing: -0.02em;
  font-size: 18px;
}
.brand:hover { color: var(--heading); }
.brand .brand-mark { color: var(--color-primary); flex: none; }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  color: var(--heading);
  cursor: pointer;
}

.nav-menu {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--s4);
  list-style: none;
  padding: 0;
  margin-block: 0;
}
.nav-menu a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}
.nav-menu a:hover { color: var(--color-primary); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  background: var(--color-primary);
  color: #fff !important;
  padding: 9px 16px;
  border-radius: var(--radius);
  font-weight: 600;
}
.nav-cta:hover { background: var(--color-primary-ink); }

/* Progressive enhancement: only collapse the nav when JS is available. */
.js .nav-toggle { display: none; }

@media (max-width: 719px) {
  .js .nav-toggle { display: inline-flex; }
  .js .nav-menu {
    display: none;
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--hairline);
    box-shadow: var(--shadow-md);
    padding: var(--s2) clamp(16px, 5vw, 40px) var(--s3);
  }
  .js .nav-menu.is-open { display: flex; }
  .js .nav-menu li { border-top: 1px solid var(--hairline); }
  .js .nav-menu a { display: block; padding: 12px 4px; }
  .js .nav-cta { margin-top: var(--s2); justify-content: center; }
  .site-header .container { position: relative; flex-wrap: wrap; }
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--hero-gradient);
  color: #fff;
  isolation: isolate;
}
.hero::after {   /* soft glow */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 80% -10%, rgba(120, 190, 255, .30), transparent 60%);
  z-index: -1;
}
.hero-art {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: .16;
  pointer-events: none;
}
.hero .container {
  padding-block: clamp(56px, 9vw, 104px);
  position: relative;
}
.hero-inner { max-width: 720px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #bfe0ff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: var(--s4);
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1.05;
  margin: 0 0 var(--s3);
  letter-spacing: -0.02em;
}
.hero h1 .accent { color: #7fc4ff; }

.hero-sub {
  font-size: clamp(1.05rem, 2.4vw, 1.28rem);
  color: rgba(255, 255, 255, .88);
  margin-bottom: var(--s5);
  max-width: 62ch;
}

.disciplines {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
  color: rgba(255, 255, 255, .82);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .02em;
  margin-top: var(--s5);
}
.disciplines .dot { color: #7fc4ff; }
.hero .caveat { color: rgba(255, 255, 255, .62); }

/* =========================================================================
   App-store badges
   ========================================================================= */
.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 180px;
  padding: 10px 18px;
  background: #0b0f16;
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .12s ease, background .12s ease;
}
.badge:hover { background: #10151f; transform: translateY(-1px); }
.badge-glyph { width: 26px; height: 26px; flex: none; color: #fff; }
.badge-text { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.badge-eyebrow { font-size: 11px; letter-spacing: .02em; opacity: .82; }
.badge-name { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }

.badge-note {
  margin: var(--s3) 0 0;
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
}
/* On light sections the note inherits muted colour */
.section .badge-note { color: var(--muted); }

/* =========================================================================
   Generic sections
   ========================================================================= */
.section { padding-block: clamp(48px, 8vw, 88px); }
.section:nth-of-type(even) { background: var(--surface); }

.section-head { max-width: 640px; margin-bottom: var(--s5); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--s2);
}
.section h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.3rem);
  margin: 0 0 var(--s3);
}
.section-lead { font-size: 1.1rem; color: var(--muted); margin: 0; }

/* Feature card grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--s4);
}
.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--s4);
  box-shadow: var(--shadow-sm);
}
.section:nth-of-type(even) .card { background: var(--surface-2); border-color: var(--hairline); }
.card h3 { font-size: 1.15rem; margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); font-size: .98rem; }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--color-accent-light);
  color: var(--color-primary);
  margin-bottom: var(--s3);
}
.card-icon svg { width: 24px; height: 24px; }

/* Compact "more features" chip list */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: var(--s5) 0 0;
  list-style: none;
}
.chips li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 500;
}
.section:nth-of-type(even) .chips li { background: #fff; }
.chips li::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  flex: none;
}

/* =========================================================================
   Dark showcase band (Racing / Fleet)
   ========================================================================= */
.section.showcase {
  background: var(--hero-gradient);
  color: #fff;
}
.section.showcase h2 { color: #fff; }
.section.showcase .section-kicker { color: #7fc4ff; }
.section.showcase .section-lead { color: rgba(255, 255, 255, .8); }
.section.showcase .card {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .16);
  box-shadow: none;
}
.section.showcase .card h3 { color: #fff; }
.section.showcase .card p { color: rgba(255, 255, 255, .78); }
.section.showcase .card-icon { background: rgba(127, 196, 255, .16); color: #acd8ff; }
.section.showcase .chips li {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .2);
  color: rgba(255, 255, 255, .9);
}
.section.showcase .chips li::before { background: #7fc4ff; }

.flagship {
  border: 1px solid rgba(127, 196, 255, .35);
  background: rgba(255, 255, 255, .06);
  border-radius: var(--radius-lg);
  padding: var(--s5);
  margin-bottom: var(--s5);
}
.flagship .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #001a30;
  background: #7fc4ff;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: var(--s3);
}
.flagship h3 { color: #fff; font-size: 1.5rem; margin: 0 0 var(--s2); }
.flagship p { color: rgba(255, 255, 255, .85); margin: 0; max-width: 68ch; }

/* =========================================================================
   Final CTA
   ========================================================================= */
.cta {
  text-align: center;
  padding-block: clamp(56px, 9vw, 96px);
  background:
    radial-gradient(80% 120% at 50% 0%, var(--color-accent-light), transparent 70%),
    var(--bg);
}
.cta h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin-bottom: var(--s3); }
.cta p { color: var(--muted); max-width: 52ch; margin-inline: auto; margin-bottom: var(--s5); }
.cta .store-badges { justify-content: center; }
.cta .badge {
  background: var(--heading);
  border-color: transparent;
}
.cta .badge:hover { background: #0b1524; }

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer {
  background: #0b1524;
  color: rgba(255, 255, 255, .72);
  padding-block: var(--s6) var(--s5);
  font-size: .95rem;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s5);
  justify-content: space-between;
  padding-bottom: var(--s5);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer-brand { max-width: 320px; }
.footer-brand .brand { color: #fff; margin-bottom: var(--s2); }
.footer-brand .brand:hover { color: #fff; }
.footer-brand p { color: rgba(255, 255, 255, .6); margin: 0; font-size: .92rem; }
.footer-links { display: flex; gap: var(--s6); flex-wrap: wrap; }
.footer-col h4 { color: #fff; font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 var(--s3); }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  justify-content: space-between;
  padding-top: var(--s4);
  color: rgba(255, 255, 255, .55);
  font-size: .85rem;
}
.footer-bottom p { margin: 0; }

/* =========================================================================
   Legal pages (body.legal)
   ========================================================================= */
body.legal { background: var(--surface); }

.legal-main { padding-block: var(--s6); }
.legal-main .container { max-width: var(--maxw-legal); }

.legal-main h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin: 0 0 var(--s2); }
.legal-meta { color: var(--muted); font-size: .95rem; margin-bottom: var(--s4); }
.legal-meta strong { color: var(--text); }

.legal-main h2 {
  font-size: 1.35rem;
  margin-top: var(--s6);
  padding-top: var(--s3);
  border-top: 1px solid var(--hairline);
  scroll-margin-top: 84px;
}
.legal-main h3 { font-size: 1.08rem; margin-top: var(--s5); scroll-margin-top: 84px; }
.legal-main ul, .legal-main ol { padding-left: 1.35em; }
.legal-main li { margin-bottom: 6px; }
.legal-main li > ul { margin-top: 6px; }

.back-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
}
.back-home:hover { text-decoration: underline; }

/* Table of contents */
.toc {
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--s4) var(--s5);
  margin-bottom: var(--s5);
}
.toc h2 {
  border: 0;
  margin: 0 0 var(--s2);
  padding: 0;
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.toc ol {
  margin: 0;
  padding-left: 1.3em;
  columns: 2;
  column-gap: var(--s5);
  font-size: .95rem;
}
.toc li { margin-bottom: 6px; break-inside: avoid; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* Callouts (draft notice + inline notes) */
.callout {
  border: 1px solid var(--hairline-strong);
  border-left: 4px solid var(--color-primary);
  background: var(--color-accent-light);
  border-radius: var(--radius);
  padding: var(--s3) var(--s4);
  margin: var(--s4) 0;
  font-size: .96rem;
}
.callout p:last-child { margin-bottom: 0; }
.callout--warn {
  border-left-color: #c47f00;
  background: #fff8e8;
}

.placeholder {
  background: #fff3cd;
  border-radius: 3px;
  padding: 0 4px;
  font-family: var(--font-mono);
  font-size: .9em;
  color: #7a5b00;
}

.legal-main code {
  font-family: var(--font-mono);
  font-size: .88em;
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--hairline);
}

/* Tables */
.table-scroll { overflow-x: auto; margin: var(--s4) 0; }
.legal-main table {
  width: 100%;
  border-collapse: collapse;
  font-size: .94rem;
  min-width: 480px;
}
.legal-main th, .legal-main td {
  text-align: left;
  vertical-align: top;
  padding: 10px 14px;
  border: 1px solid var(--hairline-strong);
}
.legal-main thead th {
  background: var(--surface-2);
  color: var(--heading);
  font-weight: 600;
}

/* =========================================================================
   Motion / responsive
   ========================================================================= */
@media (max-width: 640px) {
  .footer-links { gap: var(--s5); }
  .badge { flex: 1 1 auto; }
}

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