/* Covereign — intentionally framework-free, shared across all language routes. */
/* Design tokens v2.0 — expanded visual system for premium nautical brand */
:root {
  /* Colour — Core palette (semantic aliases) */
  --color-navy: #102b46;
  --color-navy-deep: #081b2d;
  --color-navy-muted: #1a3a5c;
  --color-ink: #17202a;
  --color-slate: #52616d;
  --color-slate-light: #7a8a96;
  --color-line: #dce1df;
  --color-line-strong: #c9d0cd;
  --color-sand: #eee9df;
  --color-sand-warm: #e8e1d4;
  --color-sand-deep: #d4ccc0;
  --color-paper: #fbfaf7;
  --color-paper-warm: #f7f5f0;
  --color-white: #fff;
  --color-accent: #b99357;
  --color-accent-light: #cfa86d;
  --color-accent-dark: #9d7a44;
  --color-accent-muted: #d4c4a8;

  /* Colour — Semantic roles (use these in components) */
  --color-bg-primary: var(--color-paper);
  --color-bg-secondary: var(--color-sand);
  --color-bg-tertiary: var(--color-white);
  --color-bg-inverse: var(--color-navy-deep);
  --color-bg-inverse-muted: var(--color-navy);
  --color-text-primary: var(--color-ink);
  --color-text-secondary: var(--color-slate);
  --color-text-muted: var(--color-slate-light);
  --color-text-inverse: var(--color-white);
  --color-text-accent: var(--color-accent);
  --color-border-subtle: var(--color-line);
  --color-border-strong: var(--color-line-strong);
  --color-border-accent: var(--color-accent);
  --color-focus: var(--color-accent);
  --color-hero-gradient-start: #1d4966;
  --color-hero-gradient-mid: #0d2941;
  --color-hero-gradient-end: #b8ab91;

  /* Typography — Fluid scale with clamp() */
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Fluid type scale — mobile to desktop */
  --text-display: clamp(2.65rem, 7vw, 5.7rem) / .98 var(--font-serif);
  --text-display-tracking: -.045em;
  --text-section-title: clamp(2rem, 4vw, 3.5rem) / 1.05 var(--font-serif);
  --text-section-title-tracking: -.035em;
  --text-heading-lg: clamp(1.75rem, 3vw, 2.5rem) / 1.15 var(--font-serif);
  --text-heading-md: clamp(1.35rem, 2vw, 1.75rem) / 1.2 var(--font-serif);
  --text-heading-sm: clamp(1.15rem, 1.5vw, 1.35rem) / 1.25 var(--font-serif);
  --text-lede: clamp(1.05rem, 1.5vw, 1.22rem) / 1.6 var(--font-sans);
  --text-body: 1rem / 1.6 var(--font-sans);
  --text-body-sm: .9rem / 1.6 var(--font-sans);
  --text-caption: .75rem / 1.5 var(--font-sans);
  --text-eyebrow: .72rem / 1 var(--font-sans);
  --text-eyebrow-tracking: .15em;
  --text-button: .9rem / 1 var(--font-sans);
  --text-button-tracking: .02em;
  --text-nav: .9rem / 1 var(--font-sans);
  --text-wordmark: 700 1.3rem/1 var(--font-serif);
  --text-wordmark-tracking: .13em;

  /* Font weights */
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Spacing / Rhythm — 4px base unit, fluid where appropriate */
  --space-1: .25rem;   /* 4px */
  --space-2: .5rem;    /* 8px */
  --space-3: .75rem;   /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Fluid section padding */
  --section-padding-y: clamp(3rem, 6vw, 5.5rem);
  --section-gap: clamp(2rem, 4vw, 3rem);

  /* Container */
  --content-width: min(1120px, calc(100% - 2.5rem));
  --content-narrow: min(720px, calc(100% - 2.5rem));
  --content-wide: min(1280px, calc(100% - 2.5rem));

  /* Elevation / Shadow tokens */
  --shadow-xs: 0 1px 2px rgba(16, 43, 70, .06);
  --shadow-sm: 0 2px 8px rgba(16, 43, 70, .08);
  --shadow-md: 0 8px 24px rgba(16, 43, 70, .1);
  --shadow-lg: 0 16px 48px rgba(16, 43, 70, .12);
  --shadow-xl: 0 32px 96px rgba(16, 43, 70, .15);
  --shadow-inner: inset 0 2px 4px rgba(16, 43, 70, .06);
  --shadow-focus: 0 0 0 3px var(--color-focus);

  /* Border radius */
  --radius-sm: .25rem;
  --radius-md: .5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 120ms ease;
  --transition-base: 180ms ease;
  --transition-slow: 300ms ease;

  /* Z-index scale */
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-modal: 30;
  --z-popover: 40;
  --z-toast: 50;
  --z-tooltip: 60;
}

/* Semantic colour aliases for component usage */
:root {
  --bg: var(--color-bg-primary);
  --bg-alt: var(--color-bg-secondary);
  --bg-card: var(--color-bg-tertiary);
  --bg-inverse: var(--color-bg-inverse);
  --text: var(--color-text-primary);
  --text-muted: var(--color-text-secondary);
  --text-subtle: var(--color-text-muted);
  --text-inverse: var(--color-text-inverse);
  --accent: var(--color-accent);
  --border: var(--color-border-subtle);
  --border-strong: var(--color-border-strong);
  --focus: var(--color-focus);
}

/* Reset & Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: var(--text-body); }
a { color: inherit; }
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  background: var(--color-white);
  color: var(--color-ink);
  padding: .7rem 1rem;
  border-radius: var(--radius-sm);
}
.skip-link:focus { top: 1rem; }

/* Layout */
.shell { width: var(--content-width); margin-inline: auto; }
.shell--narrow { width: var(--content-narrow); margin-inline: auto; }
.shell--wide { width: var(--content-wide); margin-inline: auto; }

/* Typography utilities */
.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--accent);
  font: var(--text-eyebrow);
  font-weight: var(--weight-bold);
  letter-spacing: var(--text-eyebrow-tracking);
  text-transform: uppercase;
}
.display {
  margin: 0;
  font: var(--text-display);
  letter-spacing: var(--text-display-tracking);
  color: var(--text);
}
.section-title {
  max-width: 15ch;
  margin: 0;
  color: var(--color-navy);
  font: var(--text-section-title);
  letter-spacing: var(--text-section-title-tracking);
}
.lede {
  max-width: 39rem;
  color: var(--text-muted);
  font: var(--text-lede);
}
.heading-lg { font: var(--text-heading-lg); color: var(--color-navy); margin: 0 0 var(--space-3); }
.heading-md { font: var(--text-heading-md); color: var(--color-navy); margin: 0 0 var(--space-3); }
.heading-sm { font: var(--text-heading-sm); color: var(--color-navy); margin: 0 0 var(--space-2); }
.caption { font: var(--text-caption); color: var(--text-subtle); }
.body-sm { font: var(--text-body-sm); }

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-navy);
  color: var(--color-white);
  background: var(--color-navy);
  font: var(--text-button);
  font-weight: var(--weight-bold);
  letter-spacing: var(--text-button-tracking);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}
.button:hover { background: var(--color-navy-deep); border-color: var(--color-navy-deep); }
.button:active { transform: scale(.98); }
.button--quiet {
  color: var(--color-navy);
  background: transparent;
  border-color: var(--color-navy);
}
.button--quiet:hover {
  color: var(--color-white);
  background: var(--color-navy);
}
.button--accent {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--color-white);
}
.button--accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}
.button--outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.button--outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

/* Header */
.site-header {
  position: relative;
  z-index: var(--z-sticky);
  color: var(--text-inverse);
  background: var(--color-navy-deep);
}
.header-inner {
  display: flex;
  min-height: 4.8rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.wordmark {
  font: var(--text-wordmark);
  letter-spacing: var(--text-wordmark-tracking);
  text-decoration: none;
  text-transform: uppercase;
}
.menu-button {
  padding: var(--space-2) 0;
  border: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  font-size: .78rem;
  font-weight: var(--weight-bold);
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
}
.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: var(--space-2) max(1.25rem, calc((100vw - 1120px) / 2));
  background: var(--color-navy-deep);
  border-top: 1px solid rgba(255,255,255,.13);
}
.site-nav[data-open="true"] { display: grid; }
.site-nav a {
  padding: var(--space-3) 0;
  color: rgba(255,255,255,.86);
  font: var(--text-nav);
  text-decoration: none;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--color-white); }

/* Hero */
.hero {
  overflow: hidden;
  position: relative;
  color: var(--text-inverse);
  background: var(--color-navy-deep);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -15% -48% 27%;
  height: 95%;
  border: 1px solid rgba(238,233,223,.25);
  border-radius: 50%;
  transform: rotate(-16deg);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-12);
  padding-block: var(--space-20);
}
.hero-copy { max-width: 48rem; }
.hero .eyebrow { color: #d8c39d; }
.hero .lede { color: #d6e0e6; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.hero .button { border-color: var(--color-white); background: var(--color-white); color: var(--color-navy); }
.hero .button:hover { background: var(--color-sand); }
.hero .button--quiet { color: var(--color-white); background: transparent; }
.hero .button--quiet:hover { color: var(--color-navy); background: var(--color-white); }
.hero-art {
  position: relative;
  min-height: 17rem;
  margin-inline: calc(-1 * var(--space-5));
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,.18);
  border-bottom: 1px solid rgba(255,255,255,.18);
  background: linear-gradient(135deg, var(--color-hero-gradient-start), var(--color-hero-gradient-mid) 62%, var(--color-hero-gradient-end));
}
.hero-art::before {
  content: "";
  position: absolute;
  width: 19rem;
  height: 19rem;
  top: 2.4rem;
  left: 26%;
  border: 1px solid rgba(255,255,255,.68);
  border-radius: 50%;
  box-shadow: 0 0 0 1.7rem rgba(255,255,255,.12), 0 0 0 4.1rem rgba(255,255,255,.06);
}
.hero-art::after {
  content: "";
  position: absolute;
  inset: auto -4rem 3.6rem -4rem;
  height: 1px;
  background: rgba(255,255,255,.75);
  transform: rotate(-12deg);
  box-shadow: 0 1.15rem 0 rgba(255,255,255,.25), 0 2.3rem 0 rgba(255,255,255,.12);
}
.art-note {
  position: absolute;
  z-index: 1;
  left: var(--space-5);
  bottom: var(--space-5);
  max-width: 15rem;
  color: rgba(255,255,255,.84);
  font: var(--text-caption);
}

/* Sections */
section { padding-block: var(--section-padding-y); }
.intro { display: grid; gap: var(--space-4); }

/* Grid cards */
.purpose { background: var(--color-white); }
.purpose-grid,
.audience-grid {
  display: grid;
  gap: 1px;
  margin-top: var(--space-10);
  background: var(--border);
  border: 1px solid var(--border);
}
.purpose-card,
.audience-card {
  padding: var(--space-6);
  background: var(--color-white);
}
.card-number {
  color: var(--accent);
  font: var(--weight-bold) 1.1rem var(--font-serif);
}
h3 { margin: var(--space-2) 0; color: var(--color-navy); font: var(--text-heading-md); }
.purpose-card p,
.audience-card p { margin-bottom: 0; color: var(--text-muted); }

/* Statement */
.statement { color: var(--text-inverse); background: var(--color-navy); }
.statement-grid { display: grid; gap: var(--space-8); }
.statement .section-title { color: var(--color-white); }
.statement p { max-width: 36rem; color: #d6e0e6; }
.statement .eyebrow { color: #d8c39d; }
.direction-list { display: grid; gap: var(--space-4); margin: 0; padding: 0; list-style: none; }
.direction-list li { padding: var(--space-3) 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.direction-list span { color: #d8c39d; font-weight: var(--weight-bold); }

/* Marina tags */
.marina-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.marina-tags .tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-caption);
  font-weight: var(--weight-medium);
  color: var(--color-navy);
  background: var(--color-sand);
  border-radius: var(--radius-full);
  line-height: 1.4;
}

/* Audience */
.audience { background: var(--color-sand); }
.audience-grid { margin-top: var(--space-8); }
.audience-card { background: transparent; }

/* FAQ */
.faq { background: var(--color-white); }
.faq-grid { max-width: 48rem; margin-top: var(--space-8); border-top: 1px solid var(--border); }
details { border-bottom: 1px solid var(--border); }
summary {
  position: relative;
  padding: var(--space-4) var(--space-6) var(--space-4) 0;
  color: var(--color-navy);
  font-weight: var(--weight-bold);
  cursor: pointer;
  list-style: none;
}
summary::after {
  content: "+";
  position: absolute;
  right: var(--space-2);
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: var(--weight-regular);
}
details[open] summary::after { content: "−"; }
details p { max-width: 43rem; margin: 0 0 var(--space-5); color: var(--text-muted); }

/* Interest */
.interest { background: #e3e7e5; }
.interest-inner { display: grid; gap: var(--space-6); }
.interest-box {
  padding: var(--space-5);
  border-left: 3px solid var(--accent);
  background: rgba(255,255,255,.55);
  color: var(--text-muted);
}
.interest-box p { margin: 0; }

/* Footer */
.site-footer {
  padding: var(--space-12) 0 var(--space-7);
  color: #d1d9de;
  background: var(--color-navy-deep);
}
.footer-grid { display: grid; gap: var(--space-8); }
.footer-title { margin: 0 0 var(--space-2); color: var(--color-white); font: var(--weight-bold) 1.12rem var(--font-serif); }
.footer-links { display: grid; gap: var(--space-2); }
.footer-links a { color: inherit; font: var(--text-body-sm); }
.footer-links a:hover { color: var(--color-white); }
.footer-links span { color: inherit; font: var(--text-body-sm); }
.footer-bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,.15);
  color: #a8b4bd;
  font: var(--text-caption);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Desktop (≥720px) */
@media (min-width: 720px) {
  .menu-button { display: none; }
  .site-nav {
    display: flex;
    position: static;
    gap: var(--space-5);
    padding: 0;
    border: 0;
  }
  .site-nav a { padding: var(--space-1) 0; }
  .hero-grid {
    grid-template-columns: 1.1fr .75fr;
    align-items: center;
    min-height: 34rem;
    padding-block: var(--space-24);
  }
  .hero-art { min-height: 28rem; margin: 0; border: 1px solid rgba(255,255,255,.18); }
  .purpose-grid { grid-template-columns: repeat(3, 1fr); }
  .statement-grid { grid-template-columns: 1fr 1fr; align-items: end; }
  .audience-grid { grid-template-columns: repeat(3, 1fr); }
  .interest-inner { grid-template-columns: 1fr .8fr; align-items: end; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .article-header .display { font-size: clamp(2.5rem, 5vw, 4.5rem); }
  .article-body { max-width: 48rem; }
}

/* Large desktop (≥1024px) — optional wider container */
@media (min-width: 1024px) {
  .shell { width: var(--content-width); }
  .hero-copy { max-width: 52rem; }
}

/* Breadcrumb */
.breadcrumb { margin: 1.5rem 0 1rem; font-size: .85rem; color: var(--color-slate); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--color-navy); text-decoration: underline; }
.breadcrumb span[aria-current="page"] { color: var(--color-ink); }

/* Article */
.article-header { padding: 3rem 0 2rem; }
.article-header .display { max-width: 100%; }
.article-meta { margin-top: 1rem; color: var(--color-slate); font-size: .9rem; }
.article-meta .category { color: var(--color-accent); font-weight: 600; text-transform: uppercase; font-size: .75rem; letter-spacing: .1em; }

.article-body { margin-top: 2rem; }
.article-body h2 { margin: 3rem 0 1rem; color: var(--color-navy); font: clamp(1.75rem, 3vw, 2.5rem)/1.15 var(--font-serif); letter-spacing: -.02em; }
.article-body h3 { margin: 2rem 0 .75rem; color: var(--color-navy); font: 1.25rem/1.2 var(--font-serif); }
.article-body p { margin: 0 0 1.25rem; max-width: 43rem; }
.article-body ul, .article-body ol { margin: 0 0 1.25rem; padding-left: 1.5rem; }
.article-body li { margin: .5rem 0; max-width: 43rem; }
.article-body li::marker { color: var(--color-accent); }
.article-body a { text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--color-navy); }
.article-body table { width: 100%; max-width: 48rem; border-collapse: collapse; margin: 1.5rem 0; font-size: .9rem; }
.article-body th, .article-body td { padding: .75rem 1rem; border: 1px solid var(--color-border-subtle); text-align: left; }
.article-body th { background: var(--color-sand); color: var(--color-navy); font-weight: 700; }
.article-body td { color: var(--color-slate); }
.article-body tbody tr:nth-child(even) td { background: rgba(222,225,223,.3); }

.article-lead { margin: 2rem -1.25rem; }
.article-lead .hero-art { min-height: 22rem; margin: 0; border: 1px solid var(--color-border-subtle); background: linear-gradient(135deg, var(--color-hero-gradient-start), var(--color-hero-gradient-mid) 62%, var(--color-hero-gradient-end)); }
.article-lead figcaption { text-align: center; margin-top: .75rem; color: var(--color-slate); font-size: .8rem; }

.article-cta { margin-top: 3rem; padding: 2rem; border: 1px solid var(--color-border-subtle); border-radius: var(--radius-sm); background: var(--color-white); }
.article-cta h3 { margin: 0 0 .5rem; color: var(--color-navy); font: 1.5rem/1.2 var(--font-serif); }
.article-cta p { margin: 0; color: var(--color-slate); }

.article-card .card-number { opacity: .6; }
.article-card h3 { font-size: 1.15rem; }
.article-card h3 a { text-decoration: none; }
.article-card h3 a:hover { text-decoration: underline; }
.article-card .article-meta { margin-top: .75rem; font-size: .8rem; color: var(--color-slate); }
.article-card .category { color: var(--color-accent); font-weight: 600; text-transform: uppercase; font-size: .7rem; letter-spacing: .1em; }