/* Basic page setup */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #111111;
  background: #f5f4f0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

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

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 36px;
  background: rgba(245, 244, 240, 0.94);
  border-bottom: 1px solid #d8d6cf;
  backdrop-filter: blur(14px);
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
  text-transform: uppercase;
}

.main-nav a {
  padding: 8px 0;
}

.nav-cta {
  border-bottom: 2px solid #111111;
  font-weight: 700;
}

.nav-toggle {
  display: none;
  border: 1px solid #111111;
  background: transparent;
  padding: 9px 12px;
  font: inherit;
  text-transform: uppercase;
}

/* Shared layout */
.section {
  padding: 96px 36px;
}

.section-copy {
  max-width: 1120px;
  margin: 0 auto 42px;
}

.section-copy.narrow {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: #52645a;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: 92px;
  line-height: 0.95;
}

h2 {
  max-width: 840px;
  margin-bottom: 20px;
  font-size: 46px;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

p {
  color: #42413d;
  font-size: 17px;
}

.lead {
  color: #111111;
  font-size: 26px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 13px 19px;
  border: 1px solid #111111;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.button-dark {
  color: #ffffff;
  background: #111111;
}

.button-light {
  color: #111111;
  background: #ffffff;
}

/* Hero */
.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  background: #111111;
}

.hero-image {
  min-height: 680px;
}

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

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 54px;
  color: #ffffff;
  background: #111111;
}

.hero-copy p {
  color: #d9d8d3;
}

.hero-copy .lead {
  color: #ffffff;
}

/* Product */
.product-section {
  background: #f5f4f0;
}

.product-layout {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 28px;
  align-items: stretch;
}

.clean-photo {
  background: #ffffff;
  border: 1px solid #dfddd6;
}

.clean-photo img {
  width: 100%;
  height: 100%;
  max-height: 760px;
  object-fit: cover;
  object-position: center 43%;
}

.feature-list {
  display: grid;
  gap: 1px;
  background: #d8d6cf;
  border: 1px solid #d8d6cf;
}

.feature-list article {
  padding: 26px;
  background: #ffffff;
}

.feature-list p {
  margin-bottom: 0;
}

/* Video / how it works */
.dark-section {
  color: #ffffff;
  background: #151515;
}

.dark-section p {
  color: #d7d5cf;
}

.dark-section .eyebrow {
  color: #9cae9d;
}

.video-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
}

video {
  width: 100%;
  background: #000000;
}

.steps {
  display: grid;
  gap: 24px;
}

.steps article {
  border-top: 1px solid #3a3a38;
  padding-top: 22px;
}

.steps span {
  display: block;
  margin-bottom: 8px;
  color: #9cae9d;
  font-size: 13px;
  font-weight: 800;
}

/* Adjustment */
.adjust-section {
  background: #ffffff;
}

.wide-image {
  max-width: 900px;
  margin: 0 auto;
  background: #eceae4;
}

.wide-image img {
  width: 100%;
}

/* Compatibility */
.compatibility-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 44px;
  align-items: center;
  max-width: 1192px;
  margin: 0 auto;
  background: #f5f4f0;
}

.compatibility-section .section-copy {
  margin: 0;
}

.split-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

figure {
  margin: 0;
  background: #ffffff;
  border: 1px solid #dfddd6;
}

figure img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

figcaption {
  padding: 12px 14px;
  color: #55524d;
  font-size: 13px;
}

/* Real rider gallery */
.gallery {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.gallery img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  background: #dedbd2;
}

.gallery img:nth-child(1),
.gallery img:nth-child(2) {
  grid-column: span 3;
}

.gallery img:nth-child(3),
.gallery img:nth-child(4),
.gallery img:nth-child(5) {
  grid-column: span 2;
}

/* System */
.system-section {
  background: #ffffff;
}

.system-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.system-grid img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #f5f4f0;
}

/* Specs */
.specs-section {
  background: #eceae4;
}

.spec-table {
  max-width: 960px;
  margin: 0 auto;
  border-top: 1px solid #c9c6bd;
}

.spec-table div {
  display: grid;
  grid-template-columns: 0.42fr 0.58fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid #c9c6bd;
}

.spec-table span {
  color: #66625b;
}

.spec-table strong {
  font-weight: 700;
}

/* Compatibility form */
.check-section {
  background: #111111;
}

.form-panel {
  max-width: 960px;
  margin: 0 auto;
  padding: 44px;
  color: #111111;
  background: #ffffff;
}

.compatibility-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 28px;
}

label {
  display: grid;
  gap: 7px;
  color: #2b2a27;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

input,
textarea {
  width: 100%;
  border: 1px solid #c8c5bd;
  padding: 13px 12px;
  background: #f8f7f3;
  color: #111111;
  font: inherit;
}

textarea {
  resize: vertical;
}

.full-field,
.compatibility-form button {
  grid-column: 1 / -1;
}

.compatibility-form button {
  width: 100%;
  cursor: pointer;
}

.form-note {
  margin: 16px 0 0;
  color: #55524d;
  font-size: 14px;
}

/* Final CTA and footer */
.final-cta {
  padding: 82px 36px;
  color: #ffffff;
  text-align: center;
  background: #1e2822;
}

.final-cta h2 {
  margin-left: auto;
  margin-right: auto;
}

.final-cta .eyebrow {
  color: #c5d7c6;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 36px;
  color: #d7d5cf;
  background: #111111;
  font-size: 14px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

/* Mobile layout */
@media (max-width: 860px) {
  .site-header {
    padding: 16px 20px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 63px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 14px 20px 20px;
    background: #f5f4f0;
    border-bottom: 1px solid #d8d6cf;
  }

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

  .main-nav a {
    width: 100%;
    padding: 12px 0;
  }

  .section {
    padding: 68px 20px;
  }

  h1 {
    font-size: 58px;
  }

  h2 {
    font-size: 34px;
  }

  .lead {
    font-size: 22px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-image {
    min-height: 420px;
  }

  .hero-copy {
    padding: 36px 20px 44px;
  }

  .product-layout,
  .video-grid,
  .compatibility-section,
  .system-grid {
    grid-template-columns: 1fr;
  }

  .compatibility-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .split-images,
  .compatibility-form {
    grid-template-columns: 1fr;
  }

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

  .gallery img:nth-child(n) {
    grid-column: auto;
    min-height: 280px;
  }

  .spec-table div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .form-panel {
    padding: 28px 20px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 28px 20px;
  }
}

@media (max-width: 520px) {
  .button-row,
  .button {
    width: 100%;
  }

  .hero-image {
    min-height: 360px;
  }

  .hero-image img {
    object-position: 52% center;
  }

  figure img,
  .system-grid img {
    aspect-ratio: 1 / 1;
  }
}