/**
 * assets/css/main.css
 * Master stylesheet for the iGaming affiliate network.
 *
 * Architecture:
 *  1. @import — one import per component (Phase 5 will implement each file)
 *  2. Base reset
 *  3. Typography
 *  4. Layout utilities
 *  5. Header / Footer shared styles
 *  6. Age gate
 *  7. Mobile-first responsive breakpoints
 *
 * IMPORTANT: No hardcoded colours, fonts, or radii.
 *            All values reference CSS custom properties defined in base.njk :root.
 */

/* =============================================================================
   1. COMPONENT IMPORTS  (Phase 5 — files will be added; imports are live)
   ============================================================================= */

/* Block partials */
@import './components/heading.css';
@import './components/richtext.css';
@import './components/image.css';
@import './components/button.css';
@import './components/iconbox.css';
@import './components/iconlist.css';
@import './components/divider.css';
@import './components/breadcrumbs.css';
@import './components/menuanchor.css';
@import './components/bonustable.css';
@import './components/rating.css';
@import './components/proscons.css';
@import './components/keyfacts.css';
@import './components/calltoaction.css';
@import './components/floatingcta.css';
@import './components/countdown.css';
@import './components/carousel.css';
@import './components/gallery.css';
@import './components/testimonial.css';
@import './components/tabs.css';
@import './components/faq.css';
@import './components/alert.css';
@import './components/authorbox.css';
@import './components/postsgrid.css';
@import './components/htmlembed.css';
@import './components/toc.css';
@import './components/featuregrid.css';
@import './components/floatingactions.css';

/* Layout variants */
/* @import './layouts/crypto.css';   */
/* @import './layouts/classic.css';  */
/* @import './layouts/sports.css';   */
/* @import './layouts/minimal.css';  */
/* @import './layouts/modern.css';   */

/* =============================================================================
   2. BASE RESET
   ============================================================================= */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ul,
ol {
  padding-left: 1.25rem;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-secondary);
}

/* Skip to main content (a11y) */
.skip-to-main {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-background);
  font-weight: 600;
  border-radius: var(--radius);
  z-index: 9999;
  transition: top 0.2s;
}

.skip-to-main:focus {
  top: 1rem;
}

/* =============================================================================
   3. TYPOGRAPHY
   ============================================================================= */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-top: 0;
  margin-bottom: 0.5em;
}

h1 { font-size: clamp(1.75rem, 4vw, 3rem); }
h2 { font-size: clamp(1.375rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

small { font-size: 0.875rem; }

strong { font-weight: 600; }

/* Prose (long-form content areas) */
.prose {
  max-width: 72ch;
}

.prose h2,
.prose h3,
.prose h4 {
  margin-top: 2em;
}

.prose ul,
.prose ol {
  margin-bottom: 1rem;
}

.prose li {
  margin-bottom: 0.375rem;
}

.prose blockquote {
  border-left: 4px solid var(--color-primary);
  margin: 1.5rem 0;
  padding: 0.75rem 1.25rem;
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-background));
  border-radius: 0 var(--radius) var(--radius) 0;
}

.prose code {
  background: color-mix(in srgb, var(--color-primary) 12%, var(--color-background));
  padding: 0.15em 0.4em;
  border-radius: calc(var(--radius) / 2);
  font-size: 0.9em;
}

.prose pre {
  background: color-mix(in srgb, var(--color-primary) 10%, var(--color-background));
  padding: 1.25rem;
  border-radius: var(--radius);
  overflow-x: auto;
}

.prose pre code {
  background: none;
  padding: 0;
}

/* =============================================================================
   4. LAYOUT UTILITIES
   ============================================================================= */

.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1rem;
}

.container--wide   { max-width: 1440px; }
.container--narrow { max-width: 800px; }

/* Grid system */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); }

/* Flex utilities */
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap    { flex-wrap: wrap; }
.gap-sm       { gap: 0.5rem; }
.gap-md       { gap: 1rem; }
.gap-lg       { gap: 1.5rem; }
.gap-xl       { gap: 2.5rem; }

/* Spacing */
.mt-0  { margin-top: 0; }
.mb-0  { margin-bottom: 0; }
.mt-sm { margin-top: 0.5rem; }
.mb-sm { margin-bottom: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mb-md { margin-bottom: 1rem; }
.mt-lg { margin-top: 2rem; }
.mb-lg { margin-bottom: 2rem; }
.mt-xl { margin-top: 3rem; }
.mb-xl { margin-bottom: 3rem; }

/* Section padding */
.section       { padding-block: 3rem; }
.section--sm   { padding-block: 1.5rem; }
.section--lg   { padding-block: 5rem; }

/* =============================================================================
   5. SHARED COMPONENT STYLES — HEADER
   ============================================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: color-mix(in srgb, var(--color-background) 90%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 2px 20px color-mix(in srgb, var(--color-primary) 15%, transparent);
  background-color: var(--color-background);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  gap: 1.5rem;
}

.site-header__logo {
  text-decoration: none;
  flex-shrink: 0;
}

.site-header__logo-img {
  height: 2.25rem;
  width: auto;
  object-fit: contain;
}

.site-header__logo-text {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Navigation */
.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
  background: none;
  border: none;
  cursor: pointer;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  background-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
}

.site-nav__link--cta {
  background-color: var(--color-primary);
  color: var(--color-background);
  font-weight: 600;
}

.site-nav__link--cta:hover,
.site-nav__link--cta:focus-visible {
  background-color: var(--color-secondary);
  color: var(--color-background);
}

/* Dropdown */
.site-nav__item--has-dropdown {
  position: relative;
}

.site-nav__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 14rem;
  list-style: none;
  margin: 0;
  padding: 0.5rem;
  background-color: var(--color-background);
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--color-background) 0%, rgba(0,0,0,0.4));
  z-index: 200;
}

.site-nav__item--has-dropdown:is(:hover, :focus-within) .site-nav__dropdown,
.site-nav__dropdown.is-open {
  display: block;
}

.site-nav__dropdown-link {
  display: block;
  padding: 0.5rem 0.875rem;
  border-radius: calc(var(--radius) / 2);
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: background-color 0.15s;
}

.site-nav__dropdown-link:hover {
  background-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
}

/* Hamburger */
.site-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 2rem;
  height: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.site-header__hamburger-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* =============================================================================
   6. SHARED COMPONENT STYLES — FOOTER
   ============================================================================= */

.site-footer {
  background-color: color-mix(in srgb, var(--color-background) 95%, var(--color-primary) 5%);
  border-top: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  padding-block: 3rem 2rem;
  margin-top: auto;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.site-footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__nav-link {
  color: var(--color-text);
  font-size: 0.9rem;
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s, color 0.2s;
}

.site-footer__nav-link:hover {
  opacity: 1;
  color: var(--color-primary);
}

.site-footer__disclosure,
.site-footer__rg {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.site-footer__disclosure {
  background-color: color-mix(in srgb, var(--color-secondary) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-secondary) 20%, transparent);
}

.site-footer__rg {
  background-color: color-mix(in srgb, var(--color-primary) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.site-footer__rg-link {
  color: var(--color-primary);
  font-weight: 600;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent);
}

.site-footer__copyright,
.site-footer__note {
  font-size: 0.8125rem;
  opacity: 0.65;
  margin: 0;
}

/* =============================================================================
   7. AGE GATE
   ============================================================================= */

.age-gate {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.age-gate[hidden] {
  display: none;
}

.age-gate__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.age-gate__card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background-color: var(--color-background);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  border-radius: calc(var(--radius) * 2);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.age-gate__heading {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.age-gate__body {
  color: var(--color-text);
  opacity: 0.85;
  margin-bottom: 0.75rem;
}

.age-gate__notice {
  font-size: 0.875rem;
  opacity: 0.7;
  margin-bottom: 2rem;
}

.age-gate__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.age-gate__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.age-gate__btn:active { transform: scale(0.98); }

.age-gate__btn--yes {
  background-color: var(--color-primary);
  color: var(--color-background);
}

.age-gate__btn--yes:hover {
  box-shadow: 0 4px 20px color-mix(in srgb, var(--color-primary) 50%, transparent);
}

.age-gate__btn--no {
  background-color: transparent;
  border: 1px solid color-mix(in srgb, var(--color-text) 30%, transparent);
  color: var(--color-text);
  font-size: 0.9rem;
}

.age-gate__btn--no:hover {
  border-color: var(--color-text);
}

.age-gate__rg {
  font-size: 0.75rem;
  opacity: 0.6;
  margin: 0;
}

.age-gate__link {
  color: var(--color-primary);
}

/* Exit animation */
.age-gate--leaving {
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Prevent scroll when age gate is open */
body.age-gate-open { overflow: hidden; }

/* =============================================================================
   8. BUTTON PRIMITIVES (shared across all layouts / blocks)
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  box-shadow: 0 4px 20px color-mix(in srgb, var(--color-primary) 40%, transparent);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background-color: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: color-mix(in srgb, var(--color-text) 30%, transparent);
}

.btn--ghost:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

.btn--sm { padding: 0.5rem 1.25rem; font-size: 0.875rem; }
.btn--lg { padding: 1rem 2.25rem;  font-size: 1.0625rem; }

/* =============================================================================
   9. MOBILE-FIRST RESPONSIVE BREAKPOINTS
   ============================================================================= */

/* ── xs: ≥ 480px ── */
@media (min-width: 480px) {
  .age-gate__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* ── sm: ≥ 640px ── */
@media (min-width: 640px) {
  .site-header__inner { height: 4.5rem; }
}

/* ── md: ≥ 768px ── */
@media (min-width: 768px) {
  .container { padding-inline: 1.5rem; }

  .site-header__hamburger { display: none !important; }
  .site-nav { display: block !important; }
}

/* ── lg: ≥ 1024px ── */
@media (min-width: 1024px) {
  .container { padding-inline: 2rem; }
}

/* ── xl: ≥ 1280px ── */
@media (min-width: 1280px) {
  .container { padding-inline: 2.5rem; }
}

/* ── Mobile overrides (< 768px) ── */
@media (max-width: 767px) {
  .site-header__hamburger {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
    padding: 1rem;
    z-index: 99;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .site-nav__link {
    width: 100%;
  }

  .site-nav__dropdown {
    position: static;
    box-shadow: none;
    border: none;
    background-color: transparent;
    padding-left: 1rem;
    display: none;
  }

  .site-nav__dropdown.is-open {
    display: block;
  }
}

/* =============================================================================
   10. UTILITY HELPERS
   ============================================================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }

.rounded { border-radius: var(--radius); }
.rounded-full { border-radius: 9999px; }

.w-full  { width: 100%; }
.h-full  { height: 100%; }

/* Focus ring — consistent, accessible */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius);
}