/* ==========================================================================
   Thailand Hustler - Luxury Design System
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colours - Restrained luxury palette */
  --color-ink: #1a1a1a;
  --color-ink-light: #4a4a4a;
  --color-ink-muted: #767676;
  --color-bg: #fdfcfa;
  --color-bg-warm: #f8f6f3;
  --color-bg-card: #ffffff;
  --color-border: #e8e6e3;
  --color-border-light: #f0eeeb;
  --color-accent: #8b6914;
  --color-accent-hover: #6d5310;
  --color-accent-light: #f5f0e6;
  --color-success: #2d6a4f;
  --color-error: #9b2c2c;

  /* Typography - System font stacks */
  --font-heading: Charter, 'Bitstream Charter', 'Sitka Text', Cambria, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  /* Type scale - Fluid, mobile-first */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.75rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);

  /* Spacing scale */
  --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;

  /* Layout */
  --max-width: 1140px;
  --max-width-narrow: 720px;
  --gutter: clamp(1rem, 4vw, 2rem);

  /* Borders & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
}

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

* {
  margin: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-bg);
  min-height: 100vh;
}

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

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

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

p {
  text-wrap: pretty;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

ul, ol {
  padding-left: var(--space-5);
}

li {
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section--sm {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.section--lg {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.site-logo {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-logo:hover {
  color: var(--color-ink);
}

.site-nav {
  display: flex;
  gap: var(--space-6);
}

.site-nav__link {
  font-size: var(--text-sm);
  color: var(--color-ink-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-nav__link:hover,
.site-nav__link--active {
  color: var(--color-ink);
}

/* Mobile nav */
@media (max-width: 640px) {
  .site-nav {
    gap: var(--space-4);
  }
  .site-nav__link {
    font-size: var(--text-xs);
  }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding: var(--space-12) 0 var(--space-8);
  border-top: 1px solid var(--color-border-light);
  background: var(--color-bg-warm);
  margin-top: var(--space-16);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-8);
}

.site-footer__link {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  text-decoration: none;
}

.site-footer__link:hover {
  color: var(--color-ink);
}

.site-footer__disclosure {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  line-height: 1.5;
  max-width: 65ch;
}

.site-footer__copy {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* --------------------------------------------------------------------------
   Hero / Above the Fold
   -------------------------------------------------------------------------- */
.hero {
  padding: var(--space-16) 0 var(--space-12);
  text-align: center;
}

.hero--left {
  text-align: left;
}

.hero__eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-3);
}

.hero__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-ink-light);
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-6);
}

.hero--left .hero__subtitle {
  margin-left: 0;
}

.hero__trust {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 48px;
}

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

.btn--primary:hover {
  background: var(--color-ink-light);
  color: var(--color-bg);
}

.btn--secondary {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-bg-warm);
  border-color: var(--color-ink-muted);
  color: var(--color-ink);
}

.btn--accent {
  background: var(--color-accent);
  color: #fff;
}

.btn--accent:hover {
  background: var(--color-accent-hover);
  color: #fff;
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  min-height: 36px;
}

.btn--lg {
  padding: var(--space-5) var(--space-8);
  font-size: var(--text-base);
  min-height: 56px;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.card--link {
  text-decoration: none;
  display: block;
  color: inherit;
}

.card--link:hover {
  color: inherit;
}

.card__eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-2);
}

.card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.card__desc {
  font-size: var(--text-sm);
  color: var(--color-ink-light);
  margin-bottom: var(--space-4);
}

.card__meta {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* Card grid */
.card-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Curated Item Cards (Money Pages)
   -------------------------------------------------------------------------- */
.curated-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.curated-item__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}

.curated-item__name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 400;
}

.curated-item__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
}

.curated-item__why {
  font-size: var(--text-base);
  color: var(--color-ink-light);
  line-height: 1.5;
}

.curated-item__solves {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-border);
}

.curated-item__cta {
  margin-top: auto;
}

/* Curated list */
.curated-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* --------------------------------------------------------------------------
   Comparison Table
   -------------------------------------------------------------------------- */
.comparison-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-8) 0;
}

.comparison-table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.comparison-table th {
  font-weight: 500;
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: var(--color-bg-warm);
}

.comparison-table td {
  color: var(--color-ink-light);
}

.comparison-table tbody tr:hover {
  background: var(--color-bg-warm);
}

.comparison-table__name {
  font-weight: 500;
  color: var(--color-ink);
}

/* --------------------------------------------------------------------------
   Qualification Block
   -------------------------------------------------------------------------- */
.qualification {
  display: grid;
  gap: var(--space-8);
  padding: var(--space-8);
  background: var(--color-bg-warm);
  border-radius: var(--radius-lg);
  margin: var(--space-10) 0;
}

@media (min-width: 700px) {
  .qualification {
    grid-template-columns: 1fr 1fr;
  }
}

.qualification__group h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.qualification__list {
  list-style: none;
  padding: 0;
}

.qualification__list li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ink-light);
}

.qualification__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.qualification__list--for li::before {
  background: var(--color-success);
}

.qualification__list--not li::before {
  background: var(--color-ink-muted);
}

/* --------------------------------------------------------------------------
   Trust Closer
   -------------------------------------------------------------------------- */
.trust-closer {
  display: grid;
  gap: var(--space-8);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--space-10);
}

@media (min-width: 700px) {
  .trust-closer {
    grid-template-columns: 1fr 1fr;
  }
}

.trust-closer__group h3 {
  font-size: var(--text-base);
  font-weight: 500;
  margin-bottom: var(--space-4);
  color: var(--color-ink);
}

.trust-closer__list {
  list-style: none;
  padding: 0;
}

.trust-closer__list li {
  font-size: var(--text-sm);
  color: var(--color-ink-light);
  margin-bottom: var(--space-2);
  padding-left: var(--space-5);
  position: relative;
}

.trust-closer__list li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--color-ink-muted);
}

/* --------------------------------------------------------------------------
   Related Links
   -------------------------------------------------------------------------- */
.related {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border-light);
}

.related__title {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-4);
}

.related__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.related__link {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-warm);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-ink-light);
  transition: all var(--transition-fast);
}

.related__link:hover {
  background: var(--color-border);
  color: var(--color-ink);
}

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */
.breadcrumbs {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-4);
}

.breadcrumbs a {
  color: var(--color-ink-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-ink);
}

.breadcrumbs__sep {
  margin: 0 var(--space-2);
}

/* --------------------------------------------------------------------------
   Section Headings
   -------------------------------------------------------------------------- */
.section-heading {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-8);
}

.section-heading--sm {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-muted { color: var(--color-ink-muted); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

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

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-ink);
  color: var(--color-bg);
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: 1000;
}

.skip-link:focus {
  top: var(--space-4);
}