/* ============================================================
   Art direction: Norwegian betting guide → trustworthy, clean, editorial
   Palette: warm neutral surfaces, teal primary accent (Nexus)
   Typography: Instrument Serif (display) + DM Sans (body)
   Density: balanced / generous for long-form reading
   ============================================================ */

/* ── Design Tokens ────────────────────────────────────────── */
:root, [data-theme="light"] {
  /* Surfaces */
  --color-bg:              #f7f6f2;
  --color-surface:         #f9f8f5;
  --color-surface-2:       #fbfbf9;
  --color-surface-offset:  #f0ede8;
  --color-divider:         #dcd9d5;
  --color-border:          #d4d1ca;

  /* Text */
  --color-text:            #28251d;
  --color-text-muted:      #6b6a65;
  --color-text-faint:      #b0afa9;
  --color-text-inverse:    #f9f8f4;

  /* Primary accent – Hydra Teal */
  --color-primary:         #01696f;
  --color-primary-hover:   #0c4e54;
  --color-primary-active:  #0f3638;
  --color-primary-subtle:  #e4eeee;

  /* Radius */
  --radius-sm:  0.375rem;
  --radius-md:  0.5rem;
  --radius-lg:  0.75rem;
  --radius-xl:  1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.08);

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow:  640px;
  --content-default: 780px;
  --content-wide:    1160px;

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  /* Font families */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body:    'DM Sans', 'Helvetica Neue', Arial, sans-serif;

  /* Header height reference */
  --header-h: 64px;
}

[data-theme="dark"] {
  --color-bg:             #171614;
  --color-surface:        #1c1b19;
  --color-surface-2:      #201f1d;
  --color-surface-offset: #252422;
  --color-divider:        #2e2d2b;
  --color-border:         #363533;
  --color-text:           #d0ceca;
  --color-text-muted:     #8a8982;
  --color-text-faint:     #5a5957;
  --color-text-inverse:   #1c1b19;
  --color-primary:        #4f98a3;
  --color-primary-hover:  #227f8b;
  --color-primary-active: #1a626b;
  --color-primary-subtle: #1e3235;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #171614;
    --color-surface:        #1c1b19;
    --color-surface-2:      #201f1d;
    --color-surface-offset: #252422;
    --color-divider:        #2e2d2b;
    --color-border:         #363533;
    --color-text:           #d0ceca;
    --color-text-muted:     #8a8982;
    --color-text-faint:     #5a5957;
    --color-text-inverse:   #1c1b19;
    --color-primary:        #4f98a3;
    --color-primary-hover:  #227f8b;
    --color-primary-active: #1a626b;
    --color-primary-subtle: #1e3235;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.35);
  }
}

/* ── Reset / Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--space-4));
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  text-wrap: balance;
  color: var(--color-text);
}

p, li, figcaption { text-wrap: pretty; }

::selection {
  background: color-mix(in oklch, var(--color-primary) 20%, transparent);
  color: var(--color-text);
}

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

a, button, [role="button"] {
  transition: color var(--transition),
              background var(--transition),
              border-color var(--transition),
              box-shadow var(--transition),
              opacity var(--transition);
}

.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;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Layout Helpers ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-10));
}

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.site-logo .logo-bg { fill: var(--color-primary); }

.site-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

/* Desktop nav */
.site-nav {
  display: none;
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
    align-items: center;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-text);
  background-color: var(--color-surface-offset);
}

.nav-link.active,
.nav-link[aria-current="page"] {
  color: var(--color-primary);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.theme-toggle:hover {
  color: var(--color-text);
  background-color: var(--color-surface-offset);
}

/* Burger button */
.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text);
  flex-shrink: 0;
}

.burger-btn:hover {
  background-color: var(--color-surface-offset);
}

.burger-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  border-radius: var(--radius-full);
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.burger-btn[aria-expanded="true"] .burger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger-btn[aria-expanded="true"] .burger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.burger-btn[aria-expanded="true"] .burger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
  .burger-btn { display: none; }
}

/* Mobile nav overlay */
@media (max-width: 767px) {
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-divider);
    padding: var(--space-6) var(--space-4);
    z-index: 99;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .site-nav.is-open {
    display: flex;
    flex-direction: column;
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-4);
  }
}

/* ── Main ─────────────────────────────────────────────────── */
.site-main {
  flex: 1;
}

.content-section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
}

/* Content container – max readable width */
.content-flow {
  max-width: var(--content-default);
  margin-inline: auto;
}

/* ──────────────────────────────────────────────────────────
   CONTENT FLOW STYLES
   All standard HTML elements inside .content-flow are
   styled here so content pasted into main renders correctly
   without additional CSS work.
   ────────────────────────────────────────────────────────── */

/* Headings */
.content-flow h1 {
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.content-flow h2 {
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.content-flow h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.25;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.content-flow h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.4;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

/* Paragraphs */
.content-flow p {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  max-width: 70ch;
}

/* First heading shouldn't have top margin */
.content-flow > h2:first-child,
.content-flow > h1:first-child { margin-top: 0; }

/* Lists */
.content-flow ul,
.content-flow ol {
  margin-bottom: var(--space-5);
  padding-left: var(--space-6);
}

.content-flow ul { list-style: disc; }
.content-flow ol { list-style: decimal; }

.content-flow li {
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-2);
  max-width: 68ch;
}

.content-flow li::marker { color: var(--color-primary); }

/* Inline text */
.content-flow strong { font-weight: 600; color: var(--color-text); }
.content-flow em     { font-style: italic; color: inherit; }

/* Links */
.content-flow a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklch, var(--color-primary) 40%, transparent);
  text-underline-offset: 3px;
}

.content-flow a:hover,
.content-flow a:focus-visible {
  color: var(--color-primary-hover);
  text-decoration-color: var(--color-primary-hover);
}

/* Blockquote */
.content-flow blockquote {
  position: relative;
  margin: var(--space-8) 0;
  padding: var(--space-5) var(--space-6);
  border-left: 3px solid var(--color-primary);
  background-color: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
}

.content-flow blockquote p {
  margin-bottom: 0;
  max-width: none;
}

/* Images */
.content-flow img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin-block: var(--space-8);
  box-shadow: var(--shadow-md);
}

/* Figure & figcaption */
.content-flow figure {
  margin: var(--space-8) 0;
}

.content-flow figure img { margin-block: 0; }

.content-flow figcaption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.5;
}

/* Table */
.content-flow table {
  width: 100%;
  border-collapse: collapse;
  margin-block: var(--space-8);
  font-size: var(--text-sm);
  overflow-x: auto;
  display: block;
  -webkit-overflow-scrolling: touch;
}

.content-flow thead {
  background-color: var(--color-surface-offset);
}

.content-flow th {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--color-border);
  text-align: left;
  white-space: nowrap;
}

.content-flow td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
  vertical-align: top;
  line-height: 1.5;
}

.content-flow tbody tr:last-child td { border-bottom: none; }

.content-flow tbody tr:hover td {
  background-color: var(--color-surface);
}

/* Horizontal rule */
.content-flow hr {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: var(--space-10) 0;
}

/* Buttons in content */
.content-flow .btn,
.content-flow a.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  border: none;
}

.content-flow .btn-primary,
.content-flow a.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.content-flow .btn-primary:hover,
.content-flow a.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
  text-decoration: none;
}

.content-flow .btn-secondary,
.content-flow a.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.content-flow .btn-secondary:hover,
.content-flow a.btn-secondary:hover {
  background-color: var(--color-primary-subtle);
  text-decoration: none;
}

/* CTA wrapper */
.content-flow .cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block: var(--space-6);
}

/* FAQ Blocks */
.content-flow .faq {
  margin-block: var(--space-8);
}

.content-flow .faq-item {
  border-top: 1px solid var(--color-divider);
}

.content-flow .faq-item:last-child {
  border-bottom: 1px solid var(--color-divider);
}

.content-flow .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-5) 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
}

.content-flow .faq-question:hover { color: var(--color-primary); }

.content-flow .faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform var(--transition);
}

.content-flow .faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  color: var(--color-primary);
}

.content-flow .faq-answer {
  display: none;
  padding-bottom: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
  max-width: 68ch;
}

.content-flow .faq-item.is-open .faq-answer {
  display: block;
}

.content-flow .faq-answer p { color: var(--color-text-muted); margin-bottom: var(--space-3); }
.content-flow .faq-answer p:last-child { margin-bottom: 0; }

/* Info / Note box */
.content-flow .note,
.content-flow .info-box {
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-block: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.content-flow .note p,
.content-flow .info-box p {
  font-size: inherit;
  color: inherit;
  margin-bottom: var(--space-2);
}

.content-flow .note p:last-child,
.content-flow .info-box p:last-child { margin-bottom: 0; }

/* Highlighted label / badge */
.content-flow .badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-top: clamp(var(--space-10), 5vw, var(--space-16));
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer-brand {
  max-width: 280px;
}

.footer-brand .site-logo {
  margin-bottom: var(--space-4);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 40ch;
}

.footer-nav {
  display: flex;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  flex-wrap: wrap;
}

.footer-nav-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav-heading {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.footer-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-nav a:hover { color: var(--color-text); }

.footer-bottom {
  margin-top: clamp(var(--space-8), 4vw, var(--space-12));
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer-legal a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.5;
  max-width: 80ch;
}