/* ==========================================================================
   PurePerformanceEV — Design Tokens
   ========================================================================== */

:root {
  /* 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);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);
  --text-hero: clamp(2.75rem, 0.8rem + 6vw, 6.5rem);

  /* 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-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.625rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;
}

/* ---- Light mode (default token values) ---- */
:root,
[data-theme='light'] {
  --color-bg: #f6f4f1;
  --color-surface: #ffffff;
  --color-surface-2: #fbfaf8;
  --color-surface-offset: #ece8e1;
  --color-surface-offset-2: #e2ddd4;
  --color-surface-dynamic: #d8d2c7;
  --color-divider: #e2ddd5;
  --color-border: #dad4c9;

  --color-text: #17181a;
  --color-text-muted: #5a5850;
  --color-text-faint: #949084;
  --color-text-inverse: #f6f4f1;

  --color-primary: #a15f28;
  --color-primary-hover: #874f21;
  --color-primary-active: #6c3f1a;
  --color-primary-highlight: #f0dcc0;

  --color-warning: #96521c;
  --color-error: #a13333;
  --color-error-highlight: #ecd6d6;
  --color-success: #3f7a3f;
  --color-success-highlight: #d9e6d3;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 60 / 0.08);
  --shadow-md: 0 6px 16px oklch(0.2 0.02 60 / 0.10);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 60 / 0.16);
}

/* ---- Dark mode ---- */
[data-theme='dark'] {
  --color-bg: #131317;
  --color-surface: #191a1f;
  --color-surface-2: #1e1f25;
  --color-surface-offset: #23242b;
  --color-surface-offset-2: #2a2b33;
  --color-surface-dynamic: #34353f;
  --color-divider: #26272e;
  --color-border: #2d2e37;

  --color-text: #f1efea;
  --color-text-muted: #a09da3;
  --color-text-faint: #63616b;
  --color-text-inverse: #131317;

  --color-primary: #cf9a5c;
  --color-primary-hover: #dcae78;
  --color-primary-active: #b9863f;
  --color-primary-highlight: #3a2f22;

  --color-warning: #d59a5f;
  --color-error: #d38080;
  --color-error-highlight: #3a2626;
  --color-success: #86bb86;
  --color-success-highlight: #223322;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 8px 20px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 30px 60px oklch(0 0 0 / 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #131317;
    --color-surface: #191a1f;
    --color-surface-2: #1e1f25;
    --color-surface-offset: #23242b;
    --color-surface-offset-2: #2a2b33;
    --color-surface-dynamic: #34353f;
    --color-divider: #26272e;
    --color-border: #2d2e37;
    --color-text: #f1efea;
    --color-text-muted: #a09da3;
    --color-text-faint: #63616b;
    --color-text-inverse: #131317;
    --color-primary: #cf9a5c;
    --color-primary-hover: #dcae78;
    --color-primary-active: #b9863f;
    --color-primary-highlight: #3a2f22;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
    --shadow-md: 0 8px 20px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 30px 60px oklch(0 0 0 / 0.55);
  }
}

/* ==========================================================================
   Base overrides
   ========================================================================== */

body {
  background-color: var(--color-bg);
  color: var(--color-text);
}

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}

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

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

section.section--tight {
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--color-primary);
}

h1.display,
.display-hero {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.02;
}

.display-2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.05;
}

.display-3 {
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.15;
}

.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
  font-weight: 400;
}

p.body-copy {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 62ch;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  min-height: 48px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #171410;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}
.btn-primary:active {
  background: var(--color-primary-active);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding-inline: var(--space-2);
}
.btn-ghost:hover {
  color: var(--color-text);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header--hidden {
  transform: translateY(-100%);
}
.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
  gap: var(--space-6);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

.brand svg {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.brand-word {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.1;
}
.brand-word span {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0.18em;
  font-size: 0.62em;
  color: var(--color-text-faint);
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-5), 3vw, var(--space-8));
}

.main-nav a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding-block: var(--space-2);
  border-bottom: 1px solid transparent;
}
.main-nav a:hover,
.main-nav a[aria-current='page'] {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) 0 var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.mobile-nav a {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-3) 0;
}
.mobile-nav a[aria-current='page'] {
  color: var(--color-primary);
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .mobile-nav.is-open {
    display: flex;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 86vh;
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    color-mix(in oklab, var(--color-bg) 92%, transparent) 0%,
    color-mix(in oklab, var(--color-bg) 55%, transparent) 46%,
    color-mix(in oklab, var(--color-bg) 20%, transparent) 100%
  );
}

.hero > .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 660px;
}

.hero-content .eyebrow {
  margin-bottom: var(--space-5);
}

.hero-content h1 {
  margin-bottom: var(--space-6);
}

.hero-content .lede {
  margin-bottom: var(--space-8);
}

.hero-meta {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.hero-meta div {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.hero-meta strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}
.hero-meta span {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Page header (for interior pages) */
.page-header {
  padding-block: clamp(var(--space-20), 12vw, var(--space-24)) clamp(var(--space-12), 6vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
}
.page-header .eyebrow {
  margin-bottom: var(--space-5);
}
.page-header h1 {
  margin-bottom: var(--space-5);
}

/* ==========================================================================
   Split / editorial layouts
   ========================================================================== */

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.split--reverse {
  grid-template-columns: 0.95fr 1.05fr;
}
.split--reverse .split-media {
  order: 2;
}
.split--reverse .split-text {
  order: 1;
}

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

.split-text h2 {
  margin-bottom: var(--space-5);
}
.split-text p + p {
  margin-top: var(--space-4);
}

@media (max-width: 860px) {
  .split,
  .split--reverse {
    grid-template-columns: 1fr;
  }
  .split--reverse .split-media,
  .split--reverse .split-text {
    order: initial;
  }
}

/* ==========================================================================
   Two-model feature grid (Taycan / RS e-tron GT)
   ========================================================================== */

.model-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.model-card {
  background: var(--color-surface);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  display: flex;
  flex-direction: column;
}

.model-card .model-index {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.model-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.model-card .model-maker {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.model-card p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.model-specs {
  margin-top: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.model-specs dt {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}
.model-specs dd {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
}

@media (max-width: 760px) {
  .model-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Numbered step flow
   ========================================================================== */

.steps {
  display: flex;
  flex-direction: column;
}

.step {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: var(--space-6);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.step:first-child {
  border-top: 1px solid var(--color-divider);
}

.step-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-faint);
  line-height: 1;
}

.step-body h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.step-body p {
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .step {
    grid-template-columns: 56px 1fr;
  }
  .step-number {
    font-size: var(--text-xl);
  }
}

/* ==========================================================================
   Stat / criteria row
   ========================================================================== */

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  padding-top: clamp(var(--space-10), 5vw, var(--space-16));
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  border-top: 1px solid var(--color-divider);
}
.stat-row .stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
}
.stat-row .stat span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 720px) {
  .stat-row {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ==========================================================================
   Criteria list (Sell Your Car)
   ========================================================================== */

.criteria-list {
  display: grid;
  gap: var(--space-5);
}
.criteria-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.criteria-item:last-child {
  border-bottom: none;
}
.criteria-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 2px;
}
.criteria-item h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}
.criteria-item p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ==========================================================================
   Cards / notice callouts (no colored left borders — surface elevation only)
   ========================================================================== */

.notice {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
}
.notice + .notice {
  margin-top: var(--space-4);
}
.notice h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.notice p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ==========================================================================
   Empty state (Current Stock — coming soon)
   ========================================================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: clamp(var(--space-10), 6vw, var(--space-16)) 0;
  max-width: 560px;
}
.empty-state .eyebrow {
  margin-bottom: var(--space-5);
}
.empty-state h2 {
  margin-bottom: var(--space-4);
}
.empty-state p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.watch-list {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  list-style: none;
}
.watch-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.watch-list li strong {
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 600;
  min-width: 190px;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.form-grid .field--full {
  grid-column: 1 / -1;
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
}
.field input,
.field select,
.field textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  min-height: 48px;
}
.field textarea {
  min-height: 120px;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

.form-status {
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  display: none;
}
.form-status.is-visible {
  display: block;
}
.form-status.is-success {
  color: var(--color-success);
}

@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Contact info blocks
   ========================================================================== */

.contact-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.contact-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}
.contact-item a,
.contact-item span {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
}
.contact-item a:hover {
  color: var(--color-primary);
}
.contact-item a[href^="tel:"] {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  letter-spacing: 0.01em;
}
.contact-note {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
  background: var(--color-surface-offset);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  display: grid;
  grid-template-columns: 1.4fr auto;
  align-items: center;
  gap: var(--space-8);
}
.cta-band h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}
.cta-band p {
  color: var(--color-text-muted);
}

@media (max-width: 720px) {
  .cta-band {
    grid-template-columns: 1fr;
    text-align: left;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-12), 6vw, var(--space-16));
}
.footer-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-10);
}
.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  max-width: 32ch;
}
.footer-col h5 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-col a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

@media (max-width: 860px) {
  .footer-row {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .footer-row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Reveal-on-scroll (respects reduced motion via base.css global rule)
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}