/*
  Global stylesheet — single source of truth for the site.

  Structure:
    1) Reset and base
    2) Design tokens (:root) — palette and typography are owned by the
       `brand-guidelines` skill. Spacing, radii, shadows, motion, and layout
       tokens are owned here.
    3) Layout primitives
    4) Components (site-wide reusable primitives only — page-specific
       styles live with their page builds, not here)
    5) Utilities
*/

/* ===== 1) Reset and base ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--leading-normal);
  font-feature-settings: var(--font-features-numerals);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

code, pre, kbd, samp {
  font-family: var(--font-mono);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== 2) Design tokens ===== */
/* Palette and typography are written by the `brand-guidelines` skill from
   `build-assets/0-the-brand/tokens.json`. Spacing, radii, shadows, and
   transitions are owned here. */
:root {
  /* Palette — FiftyDating (brand-guidelines) */
  --color-bg: #f9fbfc;
  --color-surface: #ffffff;
  --color-surface-soft: #eef6fb;
  --color-text: #1a2332;
  --color-text-soft: #5a6a7a;
  --color-primary: #a9da37;
  --color-primary-dark: #8cbe1e;
  --color-primary-light: #e8f6b8;
  --color-accent: #4db8d4;
  --color-focus: #a9da37;

  /* Typography — FiftyDating (brand-guidelines) */
  --font-display: "Oswald", Georgia, serif;
  --font-heading: "Oswald", Georgia, serif; /* alias for legacy pages */
  --font-body: "Lato", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

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

  /* Type scale (base 1.0625rem × 1.25 ratio) */
  --font-size-xs:   0.8rem;
  --font-size-sm:   0.9375rem;
  --font-size-base: 1.0625rem;
  --font-size-lg:   1.25rem;
  --font-size-xl:   1.5625rem;
  --font-size-2xl:  1.953rem;
  --font-size-3xl:  2.441rem;
  --font-size-4xl:  3.052rem;

  /* Leading */
  --leading-tight:   1.1;
  --leading-snug:    1.25;
  --leading-normal:  1.6;
  --leading-relaxed: 1.72;
  --leading-loose:   1.8;

  /* Tracking */
  --tracking-tight:  -0.02em;
  --tracking-normal: 0;
  --tracking-wide:   0.05em;
  --tracking-caps:   0.1em;

  /* OpenType features */
  --font-features-headlines: "";
  --font-features-numerals:  "tnum";

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-9: 2.25rem;
  --space-10: 2.5rem;
  --space-11: 2.75rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Radii */
  --radius-sm:   0.5rem;
  --radius-md:   0.875rem;
  --radius-lg:   1.25rem;
  --radius-pill: 999px;
  --radius-full: 999px; /* alias for --radius-pill */

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(60, 64, 67, 0.12);
  --shadow-md: 0 4px 14px rgba(17, 24, 39, 0.08);
  --shadow-lg: 0 12px 32px rgba(17, 24, 39, 0.12);

  /* Motion */
  --transition-fast: 180ms ease;
  --transition-base: 260ms ease;

  /* Layout */
  --container-max: 72rem;
}

/* ===== 3) Layout primitives ===== */
.container {
  width: min(100% - 2rem, var(--container-max));
  margin-inline: auto;
}

.section {
  padding: var(--space-10) 0;
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-2 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

@media (min-width: 600px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ===== 4) Components ===== */

/* Site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-surface);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

.site-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.logo-img {
  height: 3.25rem;
  width: auto;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
}
@media (min-width: 768px) {
  .site-header .logo-img { height: 3.75rem; }
}
.site-footer .logo-img { height: 2.5rem; }

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}

.site-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* CMS-rendered menus — `{{menu.navigation}}` and `{{menu.footer}}` expand to
   <ul class="canvas-navigation-menu"> / <ul class="canvas-footer-menu"> with
   <li><a> children. Style the generated classes directly. */

.canvas-navigation-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.canvas-navigation-menu > li {
  margin: 0;
}

.canvas-navigation-menu a {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.canvas-navigation-menu a:hover,
.canvas-navigation-menu a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.canvas-footer-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-6);
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
}

.canvas-footer-menu > li {
  margin: 0;
}

.canvas-footer-menu a {
  color: var(--color-text-soft);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.canvas-footer-menu a:hover,
.canvas-footer-menu a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--color-text-soft);
  opacity: 0.6;
}

.breadcrumb [aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 0;
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-pill);
  min-height: 2.75rem;
  padding: 0.78rem 1.4rem;
  font-size: 0.98rem;
  line-height: 1;
  letter-spacing: 0.01em;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline-offset: 3px; }

.btn[disabled],
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
  pointer-events: none;
  box-shadow: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--color-primary) 28%, transparent);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--color-primary) 40%, transparent);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--color-text) 16%, transparent);
}

.btn-secondary:hover {
  background: color-mix(in srgb, var(--color-surface-soft) 75%, #fff);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--color-text) 20%, transparent);
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--color-surface-soft) 65%, transparent);
}

/* For use on dark/coloured backgrounds — white border, white text */
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.55);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.85);
}

.btn-sm {
  min-height: 2.2rem;
  padding: 0.55rem 1rem;
  font-size: 0.87rem;
}

.btn-lg {
  min-height: 3rem;
  padding: 0.9rem 1.7rem;
  font-size: 1.04rem;
}

.btn-block { width: 100%; }

.btn-icon {
  width: 2.75rem;
  min-width: 2.75rem;
  padding: 0;
  border-radius: 50%;
}

/* Card */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid color-mix(in srgb, var(--color-text) 6%, transparent);
  padding: var(--space-5);
}

.card-title {
  margin: 0 0 var(--space-2);
  font-size: 1.08rem;
}

.card-text {
  margin: 0;
  color: var(--color-text-soft);
}

/* Chip — pill-shaped tag */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
}

.chip-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Site footer */
.site-footer {
  padding: var(--space-10) 0;
  color: var(--color-text-soft);
  font-size: 0.9rem;
  border-top: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

/* ===== 5) Utilities ===== */
.text-center { text-align: center; }
.muted { color: var(--color-text-soft); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ===== Motion & Polish ===== */
/* Sourced from css-motion-and-polish.md — reusable site-wide */

/* Pattern #7 — Animated gradient mesh (homepage hero, feature landings) */
.hero-mesh {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.hero-mesh::before {
  content: "";
  position: absolute;
  inset: -20%;
  z-index: -1;
  background:
    radial-gradient(circle at 30% 20%, color-mix(in oklch, var(--color-primary) 30%, transparent), transparent 60%),
    radial-gradient(circle at 70% 80%, color-mix(in oklch, var(--color-accent) 25%, transparent), transparent 60%),
    conic-gradient(from 0deg at 50% 50%, var(--color-bg), color-mix(in oklch, var(--color-primary) 10%, var(--color-bg)), var(--color-bg));
  animation: mesh-rotate 40s linear infinite;
  filter: blur(40px);
  opacity: 0.85;
}

@keyframes mesh-rotate {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-mesh::before { animation: none; }
}

/* Pattern #2 — backdrop-filter glass (sticky headers over hero imagery) */
.site-header.is-glass {
  background: color-mix(in oklch, var(--color-bg) 70%, transparent);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
}

@supports not (backdrop-filter: blur(1px)) {
  .site-header.is-glass {
    background: var(--color-bg);
  }
}

/* Design move #14 — full-bleed tinted band */
.band-tinted {
  background: color-mix(in oklch, var(--color-primary) 6%, var(--color-bg));
}