:root {
  color-scheme: light;
  --ink: #17201b;
  --muted: #66736b;
  --line: #d8ddd8;
  --paper: #f6f4ef;
  --panel: #ffffff;
  --accent: #7b4e2d;
  --accent-dark: #4f321f;
  --olive: #566b52;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

a { color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(246, 244, 239, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  align-items: center;
  gap: clamp(24px, 5vw, 72px);
  min-height: calc(100vh - 76px);
  padding: clamp(32px, 6vw, 84px) clamp(20px, 5vw, 72px) 48px;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--olive);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.04;
  font-weight: 750;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.lead {
  margin-bottom: 28px;
  color: #405046;
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 650;
}

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

.button.secondary {
  color: var(--accent-dark);
  background: transparent;
}

.hero-media {
  margin: 0;
  align-self: stretch;
  min-height: 420px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #ddd7cd;
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  display: block;
}

.section,
.process,
.contact {
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 32px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-grid article {
  min-height: 220px;
  padding: 24px;
  background: var(--panel);
}

.feature-grid p,
.steps p,
.contact p,
.footer {
  color: var(--muted);
}

.process {
  background: #ffffff;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  padding-top: 18px;
  border-top: 2px solid var(--accent);
}

.steps span {
  display: block;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

.steps strong {
  display: block;
  margin: 8px 0;
  font-size: 19px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 40px;
  background: var(--ink);
  color: #fff;
}

.contact p {
  max-width: 720px;
  color: #dfe6df;
}

address {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  font-style: normal;
  color: #eef2ee;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: #111713;
  color: #c8d0c9;
  font-size: 13px;
}

.footer p {
  margin: 0;
}

.footer a {
  color: #ffffff;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

@media (max-width: 980px) {
  .hero,
  .section-heading,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 40px;
  }

  .hero-media,
  .hero-media img {
    min-height: 280px;
  }

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

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