:root {
  --ink: #101828;
  --muted: #667085;
  --line: #d7dde7;
  --paper: #f6f8fb;
  --white: #ffffff;
  --red: #d72638;
  --red-dark: #a91424;
  --cyan: #1d8db8;
  --green: #1f8a5b;
  --gold: #c7891e;
  --shadow: 0 22px 70px rgba(16, 24, 40, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(215, 221, 231, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--white);
  background: var(--red);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 900;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 26px;
  color: #344054;
  font-size: 15px;
}

.nav a:hover,
.text-link:hover,
.card-link:hover {
  color: var(--red);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.header-cta,
.button.primary {
  color: var(--white);
  background: var(--red);
  box-shadow: 0 14px 28px rgba(215, 38, 56, 0.25);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.12);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background-image: url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1800&q=82");
  background-position: center;
  background-size: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 13, 24, 0.92), rgba(8, 13, 24, 0.72) 48%, rgba(8, 13, 24, 0.34));
}

.hero-inner {
  position: relative;
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 80px 0 120px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffb4bd;
}

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

h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-size: clamp(38px, 6vw, 74px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.trust-row {
  position: absolute;
  left: 0;
  bottom: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span,
.chips span,
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

.trust-row span {
  color: var(--white);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 86px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-head p:last-child,
.split p,
.location-content p,
.product-card p,
.faq p,
.buying-copy p {
  color: var(--muted);
}

.intro-grid,
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.intro-grid article,
.product-card,
.feature-panel,
.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.intro-grid article {
  padding: 26px;
}

.intro-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
}

.intro-grid p,
.product-card p,
.faq p,
.site-footer p {
  margin-bottom: 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 48px;
  align-items: center;
}

.text-link,
.card-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--red-dark);
  font-weight: 900;
}

.feature-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.feature-panel div {
  min-height: 190px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-panel div:nth-child(2n) {
  border-right: 0;
}

.feature-panel div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  place-items: center;
  color: var(--white);
  background: var(--cyan);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
}

.feature-panel strong {
  display: block;
  margin-bottom: 8px;
  font-size: 19px;
}

.feature-panel p {
  margin: 0;
  color: var(--muted);
}

.product-section {
  width: 100%;
  max-width: none;
  padding-inline: max(18px, calc((100vw - 1120px) / 2));
  background: #ffffff;
  border-block: 1px solid var(--line);
}

.product-card {
  display: flex;
  min-height: 420px;
  flex-direction: column;
  padding: 28px;
}

.tag {
  align-self: flex-start;
  margin-bottom: 18px;
  color: #7a4e00;
  background: #fff3d6;
}

.product-card:nth-child(2) .tag {
  color: #075985;
  background: #e0f2fe;
}

.product-card:nth-child(3) .tag {
  color: #166534;
  background: #dcfce7;
}

.product-card ul {
  padding-left: 20px;
  color: #475467;
}

.product-card .card-link {
  margin-top: auto;
}

.location-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 34px;
  align-items: center;
}

.map-card {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.map-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.chips span {
  color: #344054;
  background: var(--white);
  border: 1px solid var(--line);
}

.buying {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 40px;
}

.steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  position: relative;
  padding: 20px 20px 20px 72px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  counter-increment: steps;
}

.steps li::before {
  position: absolute;
  left: 20px;
  top: 20px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--green);
  border-radius: 8px;
  content: counter(steps);
  font-weight: 900;
}

.steps strong,
.steps span {
  display: block;
}

.steps span {
  color: var(--muted);
}

.cta-band {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 42px;
  color: var(--white);
  background: #151923;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.cta-band p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
}

.faq {
  padding-top: 68px;
}

.faq details {
  padding: 22px 24px;
  margin-bottom: 12px;
}

.faq summary {
  cursor: pointer;
  font-weight: 900;
}

.faq p {
  padding-top: 12px;
}

.site-footer {
  padding: 34px clamp(18px, 4vw, 56px);
  color: #667085;
  background: #ffffff;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer a {
  color: var(--red-dark);
  font-weight: 800;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .intro-grid,
  .product-grid,
  .split,
  .location-layout,
  .buying,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .feature-panel {
    grid-template-columns: 1fr;
  }

  .feature-panel div,
  .feature-panel div:nth-child(2n),
  .feature-panel div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feature-panel div:last-child {
    border-bottom: 0;
  }

  .product-card {
    min-height: auto;
  }

  .cta-band {
    padding: 30px;
  }
}

@media (max-width: 560px) {
  .site-header {
    gap: 12px;
    padding-inline: 14px;
  }

  .brand span:last-child {
    display: none;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 13px;
    font-size: 14px;
  }

  .hero {
    min-height: 720px;
  }

  .hero-inner {
    width: calc(100% - 28px);
    padding-top: 56px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 28px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .trust-row {
    right: 0;
  }

  .section {
    width: calc(100% - 28px);
    padding: 62px 0;
  }

  .intro-grid article,
  .product-card,
  .feature-panel div,
  .faq details {
    padding: 22px;
  }

  .steps li {
    padding: 18px 18px 18px 64px;
  }
}