/* VMS — VTEC Mini Subframes
   Premium automotive sales site */

:root {
  --bg: #050606;
  --bg-elevated: #0b0c0c;
  --bg-panel: #101212;
  --bg-panel-2: #151717;
  --line: #262828;
  --line-strong: #3a3c3c;
  --text: #f3f3f3;
  --text-muted: #a8a8a8;
  --text-dim: #7a7a7a;
  --red: #ef1424;
  --red-hover: #ff2a38;
  --red-dim: rgba(239, 20, 36, 0.14);
  --white: #ffffff;
  --focus: #ffd166;
  --ok: #3dbe7a;
  --danger: #ff6b6b;
  --radius: 6px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --header-h: 84px;
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

@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 {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(239, 20, 36, 0.08), transparent 55%),
    linear-gradient(180deg, #070808 0%, var(--bg) 180px);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--red);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 1000;
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.section {
  padding: 5.5rem 0;
  border-top: 1px solid var(--line);
}

.section--tight {
  padding: 4rem 0;
}

.section-kicker {
  color: var(--red);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.05;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.section-lead {
  color: var(--text-muted);
  max-width: 42rem;
  margin: 0 0 2.5rem;
  font-size: 1.1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(5, 6, 6, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.brand img {
  width: clamp(140px, 18vw, 210px);
  height: auto;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  background: var(--bg-panel);
  color: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: transform 0.2s var(--ease);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__bars::before {
  top: -6px;
}

.nav-toggle__bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__list a {
  display: block;
  padding: 0.55rem 0.65rem;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
}

.site-nav__list a:hover,
.site-nav__list a[aria-current="true"] {
  color: var(--white);
  border-bottom-color: var(--red);
}

.header-cta {
  display: inline-flex;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 48px;
  padding: 0.85rem 1.4rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

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

.btn:active {
  transform: translateY(1px);
}

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

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

.btn--ghost {
  background: transparent;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 6, 6, 0.96) 0%, rgba(5, 6, 6, 0.72) 42%, rgba(5, 6, 6, 0.28) 70%, rgba(5, 6, 6, 0.55) 100%),
    linear-gradient(0deg, rgba(5, 6, 6, 0.88) 0%, transparent 45%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 7rem 0 4.5rem;
  max-width: 40rem;
  margin-right: auto;
  margin-left: max(1.25rem, calc((100% - var(--max)) / 2));
  animation: rise 0.8s var(--ease) both;
}

.hero__eyebrow {
  font-family: var(--font-display);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 0.95;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0 0 0.85rem;
}

.hero__title span {
  color: var(--red);
}

.hero__by {
  font-family: var(--font-display);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0 0 1.25rem;
}

.hero__desc {
  color: #d7d7d7;
  font-size: 1.15rem;
  max-width: 34rem;
  margin: 0 0 2rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Trust strip */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--bg-elevated);
}

.trust-strip__item {
  padding: 1.35rem 1rem;
  text-align: center;
  border-right: 1px solid var(--line);
}

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

.trust-strip__label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0;
}

.trust-strip__value {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
}

/* Product */
.product-grid {
  display: grid;
  gap: 1.5rem;
}

.product-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.2fr);
  gap: 0;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.product-card__media {
  background: #0a0b0b;
  min-height: 320px;
  position: relative;
}

.product-card__media img {
  width: 100%;
  /*height: 100%;*/
  object-fit: cover;
  min-height: 320px;
}

.product-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.4rem 0.7rem;
  border-radius: 4px;
}

.product-card__body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-card__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
}

.product-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
}

.product-meta div {
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 0.95rem;
}

.product-meta dt {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 0.25rem;
}

.product-meta dd {
  margin: 0;
  color: var(--text);
  font-size: 0.98rem;
}

.product-card__text {
  color: var(--text-muted);
  margin: 0;
}

.details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

.details > summary {
  cursor: pointer;
  list-style: none;
  padding: 0.95rem 1rem;
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.88rem;
}

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

.details > summary::after {
  content: "+";
  float: right;
  color: var(--red);
}

.details[open] > summary::after {
  content: "–";
}

.details__content {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--line);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.spec-table th,
.spec-table td {
  text-align: left;
  padding: 0.7rem 0.35rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.spec-table th {
  width: 42%;
  color: var(--text-dim);
  font-weight: 600;
}

.note {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin: 0.85rem 0 0;
}

/* Feature / engineering */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.3rem;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.feature:hover {
  border-color: #4a4a4a;
  transform: translateY(-2px);
}

.feature__icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--red);
  margin-bottom: 0.9rem;
  font-size: 0.85rem;
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.55rem;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* Compatibility */
.compat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.compat-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
  padding: 1.4rem;
}

.compat-card h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1.05rem;
  margin: 0 0 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot--ok {
  background: var(--ok);
}

.status-dot--check {
  background: #f0b429;
}

.status-dot--no {
  background: var(--danger);
}

.compat-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
}

.compat-card li + li {
  margin-top: 0.4rem;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.gallery-item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #0a0b0b;
  aspect-ratio: 3 / 2;
  cursor: zoom-in;
  padding: 0;
  color: inherit;
  width: 100%;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s var(--ease);
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
  transform: scale(1.04);
}

.gallery-item__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.7rem 0.85rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.lightbox.is-open {
  display: flex;
}

.lightbox__figure {
  margin: 0;
  max-width: min(1100px, 100%);
  max-height: 90vh;
  text-align: center;
}

.lightbox__figure img {
  max-height: 78vh;
  width: auto;
  margin: 0 auto;
  border: 1px solid var(--line);
}

.lightbox__caption {
  margin-top: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  border: 1px solid var(--line-strong);
  background: var(--bg-panel);
  color: var(--white);
  width: 46px;
  height: 46px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
}

.lightbox__close {
  top: 1rem;
  right: 1rem;
}

.lightbox__nav--prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__nav--next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 860px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.faq-item__button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--white);
  padding: 1.05rem 1.15rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item__button span {
  color: var(--red);
  font-size: 1.25rem;
  line-height: 1;
}

.faq-item__panel {
  display: none;
  padding: 0 1.15rem 1.15rem;
  color: var(--text-muted);
  border-top: 1px solid var(--line);
}

.faq-item.is-open .faq-item__panel {
  display: block;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr);
  gap: 2rem;
  align-items: start;
}

.contact-aside {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
}

.contact-aside h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
}

.contact-aside p,
.contact-aside li {
  color: var(--text-muted);
}

.contact-aside ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
}

.contact-aside a {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

.field label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.req {
  color: var(--red);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #0a0b0b;
  color: var(--white);
  padding: 0.7rem 0.85rem;
  font: inherit;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--red);
  outline: none;
  box-shadow: 0 0 0 3px var(--red-dim);
}

.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea {
  border-color: var(--danger);
}

.field-error {
  color: var(--danger);
  font-size: 0.88rem;
  min-height: 1.1em;
}

.checkbox {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.checkbox input {
  margin-top: 0.3rem;
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--red);
}

.honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.form-status {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status--ok {
  background: rgba(61, 190, 122, 0.12);
  border: 1px solid rgba(61, 190, 122, 0.4);
  color: #9be7bf;
}

.form-status--error {
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.4);
  color: #ffb4b4;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  margin-top: 0.5rem;
}

/* CTA band */
.cta-band {
  background:
    linear-gradient(120deg, rgba(239, 20, 36, 0.16), transparent 55%),
    var(--bg-panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 3.5rem 0;
  text-align: center;
}

.cta-band h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin: 0 0 0.75rem;
}

.cta-band p {
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0 auto 1.5rem;
}

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--line);
  background: #040505;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand img {
  width: 180px;
  margin-bottom: 0.85rem;
}

.footer-brand p,
.footer-col p,
.footer-col a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-col h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  margin: 0 0 0.85rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li + li {
  margin-top: 0.45rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 0.88rem;
}

/* Mobile contact */
.mobile-contact {
  display: none;
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  box-shadow: var(--shadow);
}

/* Privacy page */
.page-hero {
  padding: 4.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.prose {
  max-width: 760px;
  padding: 3rem 0 4rem;
}

.prose h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 2rem 0 0.75rem;
}

.prose p,
.prose li {
  color: var(--text-muted);
}

.placeholder-data {
  border: 1px dashed #555;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  color: #d0d0d0;
  font-family: ui-monospace, monospace;
  font-size: 0.92em;
}

/* Responsive */
@media (max-width: 1024px) {
  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .product-card {
    grid-template-columns: 1fr;
  }

  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(5, 6, 6, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.25rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav__list a {
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }

  .header-cta {
    width: 100%;
  }

  .header-cta .btn {
    width: 100%;
  }

  .mobile-contact {
    display: inline-flex;
  }

  body.nav-open {
    overflow: hidden;
  }
}

@media (max-width: 640px) {
  .container,
  .hero__content {
    width: min(100% - 1.5rem, var(--max));
  }

  .hero__content {
    margin-left: 0.75rem;
    padding: 5.5rem 0 3rem;
  }

  .section {
    padding: 3.75rem 0;
  }

  .trust-strip,
  .feature-grid,
  .compat-grid,
  .gallery-grid,
  .form-grid,
  .product-meta {
    grid-template-columns: 1fr;
  }

  .trust-strip__item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .btn-row {
    flex-direction: column;
  }

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

  .lightbox__nav--prev {
    left: 0.5rem;
  }

  .lightbox__nav--next {
    right: 0.5rem;
  }
}

@media (min-width: 1440px) {
  :root {
    --max: 1240px;
  }
}