/* ============================================================
   RimWrench - Design System: Editorial Industrial
   Based on DESIGN.md specification
   Mobile-first responsive
   ============================================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/space-grotesk.woff2') format('woff2');
  font-weight: 500 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Primary */
  --primary: #a04100;
  --primary-container: #ff6b00;
  --on-primary: #ffffff;
  --on-primary-container: #3a1700;

  /* Secondary */
  --secondary: #5a6168;
  --secondary-container: #dee2e8;
  --on-secondary-container: #171c22;

  /* Surface hierarchy (machined metal canvas) */
  --surface: #f7f9fc;
  --surface-bright: #ffffff;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f2f4f7;
  --surface-container: #eceef1;
  --surface-container-high: #e6e8eb;
  --surface-container-highest: #e0e3e6;

  /* On-surface */
  --on-surface: #191c1e;
  --on-surface-variant: #42474d;
  --outline-variant: #c2c7cd;

  /* Functional */
  --error: #ba1a1a;
  --success: #2e7d32;

  /* Typography scale */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --display-lg: 2.2rem;
  --display-md: 1.75rem;
  --headline-lg: 1.5rem;
  --headline-md: 1.25rem;
  --title-lg: 1.125rem;
  --body-lg: 1rem;
  --body-md: 0.875rem;
  --label-md: 0.8125rem;
  --label-sm: 0.6875rem;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;

  /* Ambient shadow (modals/floating only) */
  --shadow-ambient: 0 24px 48px -12px rgba(25, 28, 30, 0.08);

  /* Roundedness */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;
}

/* --- Breakpoint tokens (desktop overrides) --- */
@media (min-width: 1024px) {
  :root {
    --display-lg: 3.5rem;
    --display-md: 2.25rem;
    --headline-lg: 1.75rem;
    --headline-md: 1.375rem;
  }
}

@media (min-width: 768px) {
  :root {
    --display-lg: 2.75rem;
    --display-md: 2rem;
  }
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--body-md);
  line-height: 1.6;
  color: var(--on-surface);
  background-color: var(--surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--primary);
  text-decoration: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--on-surface);
}

h1 { font-size: var(--display-lg); }
h2 { font-size: var(--display-md); }
h3 { font-size: var(--headline-lg); }
h4 { font-size: var(--headline-md); }

.label-sm {
  font-family: var(--font-body);
  font-size: var(--label-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.body-lg {
  font-size: var(--body-lg);
  line-height: 1.6;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

.section {
  padding: 2rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 2.5rem 0;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 3rem 0;
  }
}

/* Background tiers (no borders - tonal shifts only) */
.bg-surface { background-color: var(--surface); }
.bg-surface-low { background-color: var(--surface-container-low); }
.bg-surface-high { background-color: var(--surface-container-high); }
.bg-surface-highest { background-color: var(--surface-container-highest); }

/* --- Sticky Navigation --- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-ambient);
  transition: background 0.2s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: auto;
  padding: 0.5rem 0;
}

@media (min-width: 768px) {
  .nav-inner {
    justify-content: space-between;
    padding: 0.75rem 0;
  }
}

.nav-wordmark {
  display: flex;
  align-items: center;
}

.nav-logo {
  height: 80px;
  width: auto;
}

@media (max-width: 767px) {
  .site-nav .container {
    padding-right: 1.5rem;
  }

  .nav-logo {
    height: 56px;
  }
}

.nav-actions {
  display: none;
  align-items: center;
  gap: var(--spacing-3);
}

@media (min-width: 768px) {
  .nav-actions {
    display: flex;
  }
}

.nav-mobile-cta {
  flex: 0 0 auto;
  font-size: 0.75rem;
  line-height: 1;
  min-height: 2.25rem;
  overflow: hidden;
  padding: 0.5rem 0.75rem;
  background-clip: padding-box;
}

@media (min-width: 768px) {
  .site-nav .nav-mobile-cta {
    display: none;
  }
}

/* --- Inventory Pill --- */
.inventory-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: 0.375rem 0.75rem;
  background: var(--surface-container-highest);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--label-md);
  font-weight: 600;
  color: var(--on-surface-variant);
  white-space: nowrap;
}

.inventory-pill .count {
  color: var(--primary);
  font-weight: 700;
}

.inventory-pill.sold-out {
  background: var(--error);
  color: var(--on-primary);
}

.inventory-pill.sold-out .count {
  color: var(--on-primary);
}

/* --- Buttons --- */
.btn {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  font-family: var(--font-display);
  font-size: var(--body-md);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary);
}

.btn-tertiary {
  background: transparent;
  color: var(--primary);
  padding: 0.5rem 1rem;
}

.btn-tertiary:hover {
  background: var(--surface-container-high);
}

.btn-sm {
  font-size: var(--label-md);
  padding: 0.5rem 1rem;
}

.btn-lg {
  font-size: var(--body-lg);
  padding: 1rem 2rem;
}

/* Full-width on mobile */
@media (max-width: 767px) {
  .btn-mobile-full {
    width: 100%;
  }
}

/* Nav button is always compact */
.nav-actions .btn {
  padding: 0.5rem 1rem;
  font-size: var(--label-md);
}

/* --- Hero Section --- */
.hero {
  padding-top: 5rem;
  padding-bottom: 1.5rem;
  display: flex;
  align-items: center;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero {
    padding-bottom: 2rem;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
  }
}

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

.hero-content h1 {
  margin-bottom: var(--spacing-4);
}

.hero-subtitle {
  font-size: var(--title-lg);
  color: var(--on-surface-variant);
  margin-bottom: var(--spacing-4);
  line-height: 1.5;
}

@media (min-width: 1024px) {
  .hero-subtitle {
    font-size: var(--headline-md);
  }
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  align-items: flex-start;
}

@media (max-width: 767px) {
  .hero-cta-group {
    align-items: stretch;
  }
}

.hero-scarcity {
  font-size: var(--body-md);
  color: var(--on-surface-variant);
}

.hero-scarcity strong {
  color: var(--primary);
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
}

/* Asymmetric crop: image extends beyond container on desktop */
@media (min-width: 768px) {
  .hero-image img {
    max-width: none;
    width: 120%;
  }
}

/* --- Two-Column Section Layout --- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  align-items: center;
}

@media (min-width: 768px) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
  }
}

.split--reverse .split-image {
  order: -1;
}

@media (min-width: 768px) {
  .split--reverse .split-image {
    order: 1;
  }
}

.split-text h2 {
  margin-bottom: var(--spacing-4);
}

.split-text p {
  color: var(--on-surface-variant);
  margin-bottom: var(--spacing-4);
  line-height: 1.7;
}

.split-image img {
  width: 100%;
  border-radius: var(--radius-sm);
}

/* --- Problem → Solution --- */
.problem-solution {
  align-items: stretch;
}

.problem-solution .problem,
.problem-solution .solution {
  padding: var(--spacing-6);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}

.problem-solution .problem {
  background: var(--surface-container-highest);
}

.problem-solution .solution {
  background: var(--surface-container-lowest);
}

.problem-solution .problem h3,
.problem-solution .solution h3 {
  margin-bottom: var(--spacing-3);
}

.problem-solution ul {
  list-style: none;
  padding: 0;
}

.problem-solution li {
  padding: var(--spacing-2) 0;
  color: var(--on-surface-variant);
  line-height: 1.6;
}

.problem-solution li::before {
  content: '-';
  margin-right: var(--spacing-2);
  color: var(--primary);
  font-weight: 700;
}

/* --- Steps / How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
  counter-reset: step;
}

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

.step {
  counter-increment: step;
  text-align: left;
}

.step-number {
  font-family: var(--font-display);
  font-size: var(--display-md);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-2);
}

.step h3 {
  margin-bottom: var(--spacing-3);
}

.step p {
  color: var(--on-surface-variant);
  line-height: 1.6;
}

.step img {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-4);
}

/* --- Compatibility Chips --- */
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--label-md);
  font-weight: 600;
  white-space: nowrap;
}

/* --- Price Comparison (Key-Value Spec Layout) --- */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

@media (min-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
  }
}

.comparison-item {
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
}

.comparison-item.expensive {
  background: var(--surface-container-highest);
}

.comparison-item.rimwrench {
  background: var(--surface-container-lowest);
}

.comparison-item .label-sm {
  margin-bottom: var(--spacing-2);
}

.comparison-item .price {
  font-family: var(--font-display);
  font-size: var(--display-md);
  font-weight: 700;
  color: var(--on-surface);
}

.comparison-item.rimwrench .price {
  color: var(--primary);
}

.comparison-item .detail {
  color: var(--on-surface-variant);
  margin-top: var(--spacing-2);
  font-size: var(--body-md);
}

/* --- Spec Block (Key-Value) --- */
.spec-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

@media (min-width: 768px) {
  .spec-list {
    grid-template-columns: 1fr 1fr;
  }
}

.spec-item {
  padding: var(--spacing-2) 0;
}

.spec-item .label-sm {
  margin-bottom: var(--spacing-1);
}

.spec-item .body-lg {
  font-weight: 500;
  color: var(--on-surface);
}

/* --- SEO Content Section --- */
.seo-content {
  max-width: 720px;
}

.seo-content h2 {
  margin-bottom: var(--spacing-4);
}

.seo-content h3 {
  margin-top: var(--spacing-6);
  margin-bottom: var(--spacing-2);
}

.seo-content p {
  color: var(--on-surface-variant);
  line-height: 1.7;
  margin-bottom: var(--spacing-3);
}

/* --- Editorial Article Pages --- */
.article-nav .nav-inner {
  justify-content: space-between;
}

.article-page {
  background: var(--surface);
}

.article-hero {
  padding-top: 7rem;
  padding-bottom: 2rem;
  overflow: hidden;
}

.article-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  align-items: center;
}

@media (min-width: 900px) {
  .article-hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  }
}

.article-hero h1 {
  max-width: 920px;
  margin-top: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.article-deck {
  max-width: 760px;
  color: var(--on-surface-variant);
  font-size: var(--title-lg);
  line-height: 1.55;
}

.article-meta {
  margin-top: var(--spacing-4);
  color: var(--on-surface-variant);
  font-size: var(--label-md);
  font-weight: 600;
}

.article-hero-media {
  padding: var(--spacing-4);
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
}

.article-hero-media picture {
  display: block;
}

.article-hero-media img {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
}

.article-body-wrap {
  padding: 2rem 0;
}

@media (min-width: 1024px) {
  .article-body-wrap {
    padding: 3rem 0;
  }
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  align-items: start;
}

@media (min-width: 1100px) {
  .article-layout {
    grid-template-columns: minmax(0, 760px) minmax(260px, 1fr);
  }

  .article-layout--full {
    grid-template-columns: 1fr;
  }
}

.article-content {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

@media (min-width: 768px) {
  .article-content {
    padding: 2rem;
  }
}

.article-content h1 {
  margin-bottom: var(--spacing-4);
}

.article-content h2 {
  margin-top: var(--spacing-12);
  margin-bottom: var(--spacing-4);
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  margin-top: var(--spacing-8);
  margin-bottom: var(--spacing-3);
  font-size: var(--headline-md);
}

.article-content p,
.article-content li {
  color: var(--on-surface-variant);
  font-size: var(--body-lg);
  line-height: 1.75;
}

.article-content p {
  margin-bottom: var(--spacing-4);
}

.article-content ul,
.article-content ol {
  margin: 0 0 var(--spacing-4) 1.25rem;
}

.article-content li {
  margin-bottom: var(--spacing-2);
}

.article-content code {
  padding: 0.1rem 0.3rem;
  background: var(--surface-container-high);
  border-radius: var(--radius-sm);
  color: var(--on-surface);
}

.article-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: var(--spacing-6) 0;
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
}

.article-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

.article-table th,
.article-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
}

.article-table th {
  font-family: var(--font-display);
  font-size: var(--label-md);
  color: var(--on-surface);
  background: var(--surface-container-highest);
}

.article-table td {
  color: var(--on-surface-variant);
  background: var(--surface-container-lowest);
}

.article-table tbody tr:nth-child(even) td {
  background: var(--surface-container);
}

@media (max-width: 767px) {
  .article-table-wrap {
    overflow-x: visible;
    background: transparent;
  }

  .article-table,
  .article-table thead,
  .article-table tbody,
  .article-table tr,
  .article-table th,
  .article-table td {
    display: block;
    width: 100%;
  }

  .article-table {
    min-width: 0;
    border-collapse: separate;
    border-spacing: 0;
  }

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

  .article-table tr {
    margin-bottom: var(--spacing-4);
    background: var(--surface-container-lowest);
    border-radius: var(--radius-md);
    overflow: hidden;
  }

  .article-table td,
  .article-table tbody tr:nth-child(even) td {
    display: grid;
    grid-template-columns: minmax(7rem, 38%) minmax(0, 1fr);
    gap: var(--spacing-3);
    padding: 0.75rem 1rem;
    background: var(--surface-container-lowest);
  }

  .article-table td:first-child,
  .article-table tbody tr:nth-child(even) td:first-child {
    display: block;
    background: var(--surface-container-highest);
    color: var(--on-surface);
    font-family: var(--font-display);
    font-weight: 700;
  }

  .article-table td:first-child::before {
    content: none;
  }

  .article-table td::before {
    content: attr(data-label);
    color: var(--on-surface);
    font-family: var(--font-display);
    font-size: var(--label-md);
    font-weight: 700;
  }
}

.guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

@media (min-width: 760px) {
  .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.guide-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: var(--spacing-6);
}

.guide-card h2 {
  margin-bottom: var(--spacing-3);
  font-size: var(--headline-md);
}

.guide-card p {
  color: var(--on-surface-variant);
  line-height: 1.6;
}

.source-notes {
  background: var(--surface-container-high);
  border-radius: var(--radius-md);
  padding: var(--spacing-6);
  position: sticky;
  top: 7rem;
}

.source-notes-band {
  padding: 0 0 3rem;
}

.source-notes-band .source-notes {
  position: static;
}

@media (min-width: 900px) {
  .source-notes-band .source-notes ul {
    columns: 2;
    column-gap: var(--spacing-8);
  }
}

.source-notes p {
  color: var(--on-surface-variant);
  line-height: 1.6;
  margin-bottom: var(--spacing-3);
}

.source-notes ul {
  margin-left: 1rem;
}

.source-notes li {
  margin-bottom: var(--spacing-2);
  color: var(--on-surface-variant);
}

@media (max-width: 767px) {
  .article-hero {
    padding-top: 5.5rem;
  }

  .article-nav .nav-logo {
    height: 48px;
  }

  .article-content p,
  .article-content li {
    font-size: var(--body-md);
  }
}

/* --- FAQ --- */
.faq-list {
  max-width: 720px;
}

.faq-item {
  margin-bottom: var(--spacing-2);
}

.faq-item summary {
  font-family: var(--font-display);
  font-size: var(--headline-md);
  font-weight: 600;
  cursor: pointer;
  padding: var(--spacing-3) 0;
  color: var(--on-surface);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-family: var(--font-display);
  font-size: var(--headline-lg);
  color: var(--on-surface-variant);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-left: var(--spacing-4);
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item .faq-answer {
  padding-bottom: var(--spacing-3);
  color: var(--on-surface-variant);
  line-height: 1.7;
}

/* --- Final CTA --- */
.final-cta {
  text-align: center;
  padding: 2rem 0;
}

.final-cta h2 {
  margin-bottom: var(--spacing-3);
}

.final-cta p {
  color: var(--on-surface-variant);
  margin-bottom: var(--spacing-4);
  font-size: var(--body-lg);
}

/* --- Footer --- */
.site-footer {
  padding: var(--spacing-4) 0;
  text-align: center;
  font-size: var(--label-md);
  color: var(--on-surface-variant);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-3) var(--spacing-4);
  margin-bottom: var(--spacing-3);
}

.footer-links a {
  color: var(--on-surface-variant);
}

.site-footer p a {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* --- Sold Out State --- */
.sold-out-form {
  display: none;
}

.sold-out-form.is-visible {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  align-items: stretch;
}

@media (min-width: 768px) {
  .sold-out-form.is-visible {
    flex-direction: row;
    align-items: center;
  }
}

.sold-out-form input[type="email"] {
  font-family: var(--font-body);
  font-size: var(--body-md);
  padding: 0.75rem 1rem;
  background: var(--surface-container-highest);
  border: 1px solid rgba(194, 199, 205, 0.2);
  border-radius: var(--radius-md);
  color: var(--on-surface);
  outline: none;
  flex: 1;
  min-width: 0;
}

.sold-out-form input[type="email"]:focus {
  border-color: rgba(160, 65, 0, 0.4);
}

.sold-out-form input[type="email"]::placeholder {
  color: var(--on-surface-variant);
}

.sold-out-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  background: var(--error);
  color: var(--on-primary);
  border-radius: var(--radius-full);
  font-size: var(--label-md);
  font-weight: 700;
  white-space: nowrap;
}

.notify-success {
  display: none;
  color: var(--success);
  font-weight: 600;
  font-size: var(--body-md);
}

.notify-success.is-visible {
  display: block;
}

/* Hide in-stock elements when sold out */
.in-stock-only.is-hidden {
  display: none;
}

/* --- Nav Sold Out State --- */
.nav-sold-out-form {
  display: none;
}

.nav-sold-out-form.is-visible {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.nav-sold-out-form input[type="email"] {
  font-family: var(--font-body);
  font-size: var(--label-md);
  padding: 0.375rem 0.75rem;
  background: var(--surface-container-highest);
  border: 1px solid rgba(194, 199, 205, 0.2);
  border-radius: var(--radius-md);
  color: var(--on-surface);
  outline: none;
  width: 180px;
}

.nav-sold-out-form .btn {
  padding: 0.375rem 0.75rem;
  font-size: var(--label-md);
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-4); }
.mt-8 { margin-top: var(--spacing-6); }
.mb-4 { margin-bottom: var(--spacing-3); }
.mb-6 { margin-bottom: var(--spacing-4); }
.mb-8 { margin-bottom: var(--spacing-6); }

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

/* --- Checkout Overlay --- */
.checkout-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(25, 28, 30, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.checkout-overlay.is-open {
  display: flex;
}

.checkout-modal {
  background: var(--surface-bright);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-ambient);
}

.checkout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--surface-container-low);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.checkout-title {
  font-family: var(--font-display);
  font-size: var(--title-lg);
  font-weight: 600;
  color: var(--on-surface);
}

.checkout-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--on-surface-variant);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
  border-radius: var(--radius-sm);
}

.checkout-close:hover {
  background: var(--surface-container-high);
  color: var(--on-surface);
}

#checkout-container {
  min-height: 300px;
}

/* --- Contact Form --- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.contact-label {
  font-family: var(--font-body);
  font-size: var(--label-md);
  font-weight: 600;
  color: var(--on-surface-variant);
  margin-bottom: -0.25rem;
}

.contact-input {
  font-family: var(--font-body);
  font-size: var(--body-md);
  padding: 0.75rem 1rem;
  background: var(--surface-container-highest);
  border: 1px solid rgba(194, 199, 205, 0.2);
  border-radius: var(--radius-md);
  color: var(--on-surface);
  outline: none;
  width: 100%;
}

.contact-input:focus {
  border-color: rgba(160, 65, 0, 0.4);
}

.contact-input::placeholder {
  color: var(--on-surface-variant);
}

.contact-textarea {
  resize: vertical;
  min-height: 8rem;
  font-family: var(--font-body);
  line-height: 1.5;
}

.contact-turnstile-slot {
  margin: var(--spacing-2) 0;
  min-height: 65px;
}

.contact-error {
  color: var(--error);
  font-size: var(--body-md);
  margin: 0;
  min-height: 1.5em;
}

.contact-success {
  display: none;
  padding: var(--spacing-4);
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
  color: var(--on-surface);
}

.contact-success.is-visible {
  display: block;
}

.contact-form.is-hidden {
  display: none;
}

/* Honeypot — visually hidden but still in the document flow.
   Avoid display:none so naive bots that ignore CSS will still fill it. */
.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}