:root {
  --ink: #221b1b;
  --muted: #5c5654;
  --paper: #ffffff;
  --soft: #f7f4f1;
  --brown: #3a2925;
  --brown-2: #5d3835;
  --gold: #d5a268;
  --sky: #2b7d94;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Roboto", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

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

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

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 14px max(28px, calc((100vw - var(--max-width)) / 2));
  color: #fff;
  transition: background 180ms ease, box-shadow 180ms ease, padding 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(34, 27, 27, 0.94);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.18);
}

.site-header.is-scrolled {
  padding-top: 8px;
  padding-bottom: 8px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: "Roboto Slab", Georgia, serif;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

.brand-logo {
  width: 76px;
  height: 76px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 34px);
  font-size: 0.92rem;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  white-space: nowrap;
  text-shadow: 0 2px 7px rgba(0, 0, 0, 0.35);
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--gold);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 4px;
  background: rgba(34, 27, 27, 0.5);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
}

.hero {
  min-height: 700px;
  display: grid;
  place-items: center;
  padding: 160px 20px 120px;
  color: #fff;
  text-align: center;
  background:
    linear-gradient(rgba(12, 19, 30, 0.18), rgba(12, 19, 30, 0.12)),
    url("assets/images/hero-mountains.jpg") center top / cover no-repeat;
}

.hero-content {
  width: min(980px, 100%);
  margin-top: 20px;
}

.hero h1,
.section h2,
.feature-band h2,
.counterfeit-band h2 {
  margin: 0;
  font-family: "Roboto Slab", Georgia, serif;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
}

.hero h1 {
  font-size: clamp(3.1rem, 7vw, 5.4rem);
  text-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.hero p {
  max-width: 920px;
  margin: 34px auto 60px;
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.35);
}

.button {
  display: inline-flex;
  min-width: 190px;
  min-height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  padding: 14px 30px;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--brown);
  color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--brown-2);
}

.button-light {
  background: #fff;
  color: var(--brown);
}

.section {
  padding: 110px 0;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: clamp(44px, 7vw, 98px);
  align-items: center;
}

.split-grid.reverse {
  grid-template-columns: minmax(300px, 0.95fr) minmax(0, 1.05fr);
}

.section-copy h2,
.center-title {
  margin-bottom: 18px;
  color: var(--brown-2);
  font-size: clamp(2.2rem, 4vw, 3.15rem);
}

.section-copy p {
  max-width: 690px;
  margin: 0 0 20px;
  color: #2e2b2b;
  font-size: 1.08rem;
  text-align: justify;
}

.compact p {
  text-align: left;
}

.image-stack {
  position: relative;
  justify-self: center;
  width: min(448px, 100%);
}

.image-stack::after {
  position: absolute;
  z-index: -1;
  right: -28px;
  bottom: -28px;
  width: 88%;
  height: 88%;
  border-radius: 4px;
  background: var(--brown-2);
  content: "";
}

.image-stack img,
.image-card img {
  width: 100%;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 22px 45px rgba(34, 27, 27, 0.18);
}

.image-stack img {
  aspect-ratio: 448 / 598;
}

.stats {
  padding: 54px 0;
  color: #fff;
  background: var(--brown);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  text-align: center;
}

.stats article {
  padding: 22px 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.stats article:last-child {
  border-right: 0;
}

.stats strong {
  display: block;
  font-family: "Roboto Slab", Georgia, serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

.stats span {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

.why {
  background: var(--soft);
}

.center-title {
  text-align: center;
}

.why-grid,
.review-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 44px;
}

.why-card,
.review-card {
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 16px 34px rgba(34, 27, 27, 0.08);
}

.why-card {
  min-height: 310px;
  padding: 30px 26px;
}

.why-index {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 22px;
  color: #fff;
  background: var(--sky);
  font-weight: 700;
}

.why-card h3,
.review-card h3,
.site-footer h3 {
  margin: 0 0 12px;
  font-family: "Roboto Slab", Georgia, serif;
  line-height: 1.25;
}

.why-card p,
.review-card p {
  margin: 0;
  color: var(--muted);
}

.feature-band {
  min-height: 420px;
  display: grid;
  place-items: center;
  padding: 86px 20px;
  color: #fff;
  text-align: center;
  background:
    linear-gradient(rgba(22, 19, 18, 0.46), rgba(22, 19, 18, 0.46)),
    url("assets/images/cta-road.jpg") center center / cover no-repeat;
}

.feature-content h2 {
  max-width: 900px;
  margin-bottom: 34px;
  font-size: clamp(2.1rem, 5vw, 4rem);
  text-shadow: 0 3px 13px rgba(0, 0, 0, 0.35);
}

.product-highlight {
  background: #fff;
}

.image-card img {
  aspect-ratio: 3 / 2;
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--brown-2);
  font-weight: 700;
}

.text-link::after {
  margin-left: 10px;
  content: ">";
}

.reviews {
  background: var(--soft);
}

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

.review-card {
  padding: 34px 30px;
  text-align: center;
}

.review-card.featured {
  transform: translateY(-16px);
}

.review-card img {
  width: 54px;
  height: 54px;
  margin: 0 auto 18px;
  border: 4px solid #fff;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(34, 27, 27, 0.2);
}

.review-card p {
  font-style: italic;
}

.counterfeit-band {
  padding: 84px 0;
  color: #fff;
  background: linear-gradient(135deg, var(--brown), #273d45);
  text-align: center;
}

.counterfeit-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.counterfeit-content p {
  max-width: 760px;
  margin: 18px auto 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.1rem;
}

.site-footer {
  padding: 74px 0 26px;
  color: #fff;
  background: #201717;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.85fr 1fr 0.75fr;
  gap: 38px;
}

.footer-brand {
  gap: 12px;
  font-size: 1.45rem;
}

.footer-brand img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.footer-note,
.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 54px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.92rem;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
}

.social-links a:hover,
.social-links a:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
}

@media (max-width: 1080px) {
  .site-header {
    padding-right: 24px;
    padding-left: 24px;
  }

  .site-nav {
    gap: 15px;
    font-size: 0.86rem;
  }

  .brand-logo {
    width: 64px;
    height: 64px;
  }

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

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: block;
    margin-top: 7px;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 0 6px;
  }

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

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

  .hero {
    min-height: 620px;
    padding-top: 150px;
  }

  .section {
    padding: 78px 0;
  }

  .split-grid,
  .split-grid.reverse,
  .footer-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

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

  .stats article:nth-child(2) {
    border-right: 0;
  }

  .review-card.featured {
    transform: none;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 28px, var(--max-width));
  }

  .brand {
    gap: 10px;
    font-size: 1.35rem;
  }

  .brand-logo {
    width: 54px;
    height: 54px;
  }

  .hero {
    min-height: 560px;
    padding-right: 14px;
    padding-left: 14px;
  }

  .hero p {
    margin-bottom: 36px;
  }

  .button {
    min-width: 164px;
    min-height: 56px;
  }

  .stats-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .stats article {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .stats article:last-child {
    border-bottom: 0;
  }

  .image-stack::after {
    right: -12px;
    bottom: -12px;
  }
}