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

html {
  min-width: 320px;
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: var(--color-surface-page);
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  letter-spacing: var(--letter-spacing-default);
}

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

button {
  cursor: pointer;
}

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

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.page-shell {
  min-height: 100vh;
  background: var(--color-surface-page);
}

.container {
  width: min(calc(100% - (var(--container-gutter) * 2)), var(--container-lg));
  margin-inline: auto;
  margin-left: auto;
  margin-right: auto;
}

.container--wide {
  width: min(calc(100% - (var(--container-gutter) * 2)), var(--container-xl));
  margin-inline: auto;
  margin-left: auto;
  margin-right: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
  gap: var(--grid-gap);
}

.surface {
  padding-block: var(--section-padding-y);
}

.surface--muted {
  background: var(--color-surface-muted);
}

.surface--dark {
  position: relative;
  overflow: hidden;
  color: var(--color-dark-text-primary);
  background: var(--color-dark-surface);
}

.surface--pattern-light,
.surface--pattern-dark {
  position: relative;
  overflow: hidden;
}

.surface--pattern-light::after,
.surface--pattern-dark::after {
  position: absolute;
  inset: 0 0 0 auto;
  z-index: 0;
  width: min(40vw, 28rem);
  content: "";
  background-repeat: no-repeat;
  background-position: center right;
  background-size: cover;
  pointer-events: none;
}

.surface--pattern-light::after {
  opacity: 0.82;
  background-image: url("../assets/brand/pattern-light.jpg");
}

.surface--pattern-dark::after {
  opacity: 0.72;
  background-image: url("../assets/brand/pattern-dark.jpg");
}

.surface > .container,
.surface > .container--wide {
  position: relative;
  z-index: 1;
}

.surface--pattern-light > .container,
.surface--pattern-light > .container--wide,
.surface--pattern-dark > .container,
.surface--pattern-dark > .container--wide {
  position: relative;
  z-index: 1;
}

.ui-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.ui-header__inner {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand-logo-slot {
  display: inline-flex;
  width: 11.25rem;
  flex: 0 0 auto;
  min-height: 2.375rem;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-marker);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  text-transform: uppercase;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
}

.nav-list a {
  text-decoration: none;
}

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

.mobile-menu-button {
  display: none;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(18rem, 4fr);
  gap: var(--space-12);
  align-items: end;
  margin-bottom: var(--space-10);
}

.section-heading__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  color: var(--color-text-secondary);
  font-size: var(--font-size-marker);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
}

.section-heading__eyebrow::before {
  width: 2.75rem;
  height: 0.1875rem;
  content: "";
  background: var(--color-brand-red);
}

.section-heading h1,
.section-heading h2,
.section-heading h3,
.type-display,
.type-h1,
.type-h2,
.type-h3 {
  margin: 0;
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-default);
}

.section-heading h1,
.type-display {
  font-size: var(--font-size-display);
  line-height: var(--line-height-display);
}

.section-heading h2,
.type-h1 {
  font-size: var(--font-size-h1);
  line-height: var(--line-height-h1);
}

.type-h2 {
  font-size: var(--font-size-h2);
  line-height: var(--line-height-h2);
}

.type-h3 {
  font-size: var(--font-size-h3);
  line-height: var(--line-height-h3);
}

.section-heading p,
.text-lead {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-body-lg);
}

.surface--dark .section-heading p,
.surface--dark .section-heading__eyebrow,
.surface--dark .text-lead {
  color: var(--color-dark-text-secondary);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.btn {
  display: inline-flex;
  min-height: var(--control-height-md);
  align-items: center;
  justify-content: center;
  gap: var(--button-gap);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0 var(--control-padding-x);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  text-decoration: none;
  transition:
    background-color var(--duration-base) var(--ease-standard),
    border-color var(--duration-base) var(--ease-standard),
    color var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0.75rem 1.5rem rgba(17, 17, 17, 0.12);
}

.btn:active {
  transform: translateY(1px);
  box-shadow: none;
}

.btn[disabled],
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.46;
  transform: none;
  box-shadow: none;
}

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

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

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

.btn--secondary:hover {
  border-color: var(--color-black);
}

.btn--ghost {
  min-height: var(--control-height-sm);
  padding-inline: 0;
  color: var(--color-black);
  background: transparent;
}

.btn--ghost:hover {
  color: var(--color-brand-red);
}

.surface--dark .btn--primary {
  color: var(--color-black);
  background: var(--color-white);
  border-color: var(--color-white);
}

.surface--dark .btn--primary:hover {
  color: var(--color-white);
  background: var(--color-brand-red);
  border-color: var(--color-brand-red);
}

.surface--dark .btn--secondary {
  color: var(--color-white);
  border-color: var(--color-dark-border);
}

.surface--dark .btn--secondary:hover {
  border-color: var(--color-white);
}

.icon {
  display: inline-grid;
  width: 1.125rem;
  height: 1.125rem;
  place-items: center;
  flex: 0 0 auto;
}

.icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  transition:
    border-color var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard),
    transform var(--duration-base) var(--ease-standard);
}

.card--dark {
  color: var(--color-dark-text-primary);
  background: var(--color-dark-surface-raised);
  border-color: var(--color-dark-border);
}

.card:focus-within,
.process-step:focus-within {
  border-color: var(--color-border-strong);
  box-shadow: 0 1rem 2.5rem rgba(17, 17, 17, 0.08);
  transform: translateY(-4px);
}

@media (hover: hover) {
  .card:hover,
  .process-step:hover,
  .compact-proof:hover,
  .protection-item:hover {
    border-color: var(--color-border-strong);
    box-shadow: 0 1rem 2.5rem rgba(17, 17, 17, 0.08);
    transform: translateY(-4px);
  }
}

.card__body {
  padding: var(--space-6);
}

.card__marker {
  margin-bottom: var(--space-5);
  color: var(--color-brand-red);
  font-size: var(--font-size-marker);
  font-weight: var(--font-weight-bold);
}

.card h3,
.card h4 {
  margin: 0 0 var(--space-3);
  font-size: var(--font-size-h3);
  line-height: var(--line-height-h3);
}

.card p {
  margin: 0;
  color: var(--color-text-secondary);
}

.card--dark p {
  color: var(--color-dark-text-secondary);
}

.fact-card {
  min-height: 11rem;
}

.advantage-card {
  min-height: 15rem;
}

.process-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-5);
  transition:
    border-color var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard),
    transform var(--duration-base) var(--ease-standard);
}

.process-step__number {
  display: inline-grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--color-brand-red);
  background: rgba(226, 29, 35, 0.08);
  font-size: var(--font-size-marker);
  font-weight: var(--font-weight-bold);
}

.vehicle-card {
  overflow: hidden;
}

.vehicle-card__media {
  display: grid;
  min-height: 13.5rem;
  place-items: center;
  color: var(--color-text-tertiary);
  background:
    linear-gradient(135deg, rgba(17, 17, 17, 0.08), rgba(17, 17, 17, 0.02)),
    var(--color-surface-muted);
}

.vehicle-card__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-block: var(--space-5);
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
}

.badge {
  display: inline-flex;
  width: fit-content;
  min-height: 1.75rem;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding-inline: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--font-size-marker);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
}

.badge--accent {
  color: var(--color-brand-red);
  border-color: rgba(226, 29, 35, 0.34);
}

.price-block {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.price-block strong {
  font-size: var(--font-size-h3);
  line-height: var(--line-height-h3);
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
}

.trust-item {
  min-height: 7rem;
  padding: var(--space-5);
  border-right: 1px solid var(--color-border);
}

.trust-item:last-child {
  border-right: 0;
}

.trust-item strong {
  display: block;
  margin-bottom: var(--space-2);
}

.testimonial-card {
  display: grid;
  gap: var(--space-4);
}

.person {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.avatar-placeholder {
  display: inline-grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border-radius: 50%;
  color: var(--color-brand-red);
  background: rgba(226, 29, 35, 0.08);
  font-weight: var(--font-weight-bold);
}

.video-card__frame {
  display: grid;
  aspect-ratio: 16 / 9;
  place-items: center;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-white);
  background: var(--color-black);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field--full {
  grid-column: 1 / -1;
}

.field label,
.checkbox label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
}

.input,
.select,
.textarea {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  background: var(--color-white);
  transition:
    border-color var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard);
}

.input,
.select {
  min-height: var(--control-height-lg);
  padding-inline: var(--input-padding-x);
}

.textarea {
  min-height: 8rem;
  padding: var(--space-4) var(--input-padding-x);
  resize: vertical;
}

.input:hover,
.select:hover,
.textarea:hover {
  border-color: var(--color-black);
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--color-brand-red);
  outline: 0;
  box-shadow: 0 0 0 3px var(--color-focus);
}

.input[aria-invalid="true"],
.select[aria-invalid="true"],
.textarea[aria-invalid="true"] {
  border-color: var(--color-brand-red);
}

.field__message {
  min-height: 1.25rem;
  color: var(--color-brand-red);
  font-size: var(--font-size-marker);
}

.checkbox {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  min-height: 2.75rem;
  align-items: center;
}

.checkbox a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
}

.checkbox input {
  width: 1.125rem;
  height: 1.125rem;
  margin: 0.125rem 0 0;
  accent-color: var(--color-brand-red);
}

.segmented {
  display: inline-grid;
  grid-auto-flow: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1);
  background: var(--color-surface-muted);
}

.segmented button {
  min-height: var(--control-height-sm);
  border: 0;
  border-radius: var(--radius-xs);
  padding-inline: var(--space-4);
  color: var(--color-text-secondary);
  background: transparent;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
}

.segmented button[aria-pressed="true"] {
  color: var(--color-white);
  background: var(--color-black);
}

.faq {
  display: grid;
  border-top: 1px solid var(--color-border);
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__button {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  border: 0;
  padding: var(--space-5) 0;
  color: var(--color-text-primary);
  background: transparent;
  text-align: left;
  font-weight: var(--font-weight-bold);
  transition: color var(--duration-base) var(--ease-standard);
}

.faq__panel {
  display: block;
  max-width: 42rem;
  max-height: 0;
  overflow: hidden;
  padding: 0;
  color: var(--color-text-secondary);
  opacity: 0;
  transition:
    max-height var(--duration-slow) var(--ease-standard),
    opacity var(--duration-base) var(--ease-standard),
    padding var(--duration-base) var(--ease-standard);
}

.faq__item[data-open="true"] .faq__panel {
  max-height: 12rem;
  padding: 0 0 var(--space-5);
  opacity: 1;
}

.faq__button span {
  display: inline-flex;
  transition: transform var(--duration-base) var(--ease-standard);
}

.faq__button:hover,
.faq__button:focus-visible {
  color: var(--color-brand-red);
}

.faq__item[data-open="true"] .faq__button span {
  transform: rotate(45deg);
}

.state-card {
  display: grid;
  min-height: 10rem;
  place-items: center;
  padding: var(--space-6);
  text-align: center;
}

.state-card__icon {
  display: inline-grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-sm);
  color: var(--color-brand-red);
  background: rgba(226, 29, 35, 0.08);
  font-weight: var(--font-weight-bold);
}

.loading-line {
  width: min(100%, 18rem);
  height: 0.75rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, #eeeeee, #dddddd, #eeeeee);
  background-size: 200% 100%;
  animation: loading 1.2s var(--ease-standard) infinite;
}

@keyframes loading {
  from {
    background-position: 100% 0;
  }
  to {
    background-position: -100% 0;
  }
}

.cookie {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
}

.footer-preview {
  padding-block: var(--space-12);
  color: var(--color-dark-text-primary);
  background: var(--color-dark-surface);
}

.footer-preview__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

.footer-preview a,
.footer-preview p {
  color: var(--color-dark-text-secondary);
}

.kit-section {
  padding-block: var(--space-16);
  border-bottom: 1px solid var(--color-border);
}

.kit-section__title {
  margin: 0 0 var(--space-8);
  font-size: var(--font-size-h2);
  line-height: var(--line-height-h2);
}

.kit-grid-2,
.kit-grid-3,
.kit-grid-4 {
  display: grid;
  gap: var(--grid-gap);
}

.kit-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.kit-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.kit-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.swatch {
  min-height: 9rem;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.swatch__chip {
  width: 100%;
  height: 3rem;
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.swatch code,
.token-table code {
  color: var(--color-text-secondary);
  font-size: var(--font-size-marker);
}

.token-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-small);
}

.token-table th,
.token-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.space-sample {
  display: grid;
  gap: var(--space-3);
}

.space-row {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
}

.space-bar {
  height: 1rem;
  border-radius: var(--radius-xs);
  background: var(--color-brand-red);
}

.grid-sample {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-2);
}

.grid-sample span {
  min-height: 4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-surface-muted);
}

.mobile-state-preview {
  max-width: 24rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
}

.mobile-state-preview__bar {
  display: flex;
  min-height: 4rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.mobile-state-preview__content {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
}

@media (max-width: 1023px) {
  .nav-list {
    display: none;
  }

  .mobile-menu-button {
    display: inline-flex;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .kit-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-item:nth-child(2) {
    border-right: 0;
  }

  .trust-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--color-border);
  }

  .footer-preview__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .ui-header__inner {
    min-height: 4rem;
    gap: var(--space-3);
  }

  .brand-logo-slot {
    width: 8.75rem;
    flex-basis: 8.75rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .surface--pattern-light::after,
  .surface--pattern-dark::after {
    width: 100%;
    height: 12rem;
    inset: auto 0 0;
    opacity: 0.28;
  }

  .button-row,
  .btn {
    width: 100%;
  }

  .ui-header .btn,
  .mobile-state-preview__bar .btn {
    width: auto;
    min-width: 6.5rem;
    flex: 0 0 auto;
  }

  .ui-header .mobile-menu-button {
    max-width: 8rem;
  }

  .kit-grid-2,
  .kit-grid-3,
  .kit-grid-4,
  .form-grid,
  .footer-preview__grid {
    grid-template-columns: 1fr;
  }

  .trust-row {
    grid-template-columns: 1fr;
  }

  .trust-item,
  .trust-item:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .trust-item:last-child {
    border-bottom: 0;
  }

  .cookie {
    grid-template-columns: 1fr;
  }

  .segmented {
    width: 100%;
    grid-auto-flow: row;
  }
}

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

  .btn:hover,
  .btn:focus-visible,
  .card:hover,
  .card:focus-within,
  .process-step:hover,
  .process-step:focus-within,
  .compact-proof:hover,
  .protection-item:hover {
    transform: none;
  }
}