:root {
  --orange: #ff4a13;
  --ink: #111111;
  --paper: #f5f3ef;
  --line: rgba(17, 17, 17, 0.2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif; }
a { color: inherit; }
.site-header { min-height: 78px; padding: 0 5.5vw; display: flex; align-items: center; justify-content: space-between; background: var(--ink); color: #fff; }
.brand { font-weight: 900; font-size: 1.35rem; letter-spacing: -0.06em; text-decoration: none; }
nav { display: flex; gap: 1.5rem; }
nav a { color: #e8e8e8; text-decoration: none; font-size: .95rem; }
nav a:hover, .email:hover { color: var(--orange); }
.hero { min-height: 650px; padding: 8vw 8vw 7vw; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 3rem; overflow: hidden; color: #fff; background: var(--ink); }
.eyebrow { margin: 0 0 1.25rem; color: var(--orange); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.75rem; font-size: clamp(3.2rem, 7vw, 7.3rem); line-height: .92; letter-spacing: -.075em; }
h1 em { font-style: normal; color: var(--orange); }
.intro { max-width: 31rem; margin-bottom: 2rem; color: #d4d4d4; font-size: 1.1rem; line-height: 1.8; }
.button { display: inline-block; padding: 1rem 1.4rem; color: #fff; background: var(--orange); font-weight: 800; text-decoration: none; transition: transform .2s ease; }
.button:hover { transform: translateY(-3px); }
.hero-art { position: relative; max-width: 650px; justify-self: end; }
.hero-art::before { content: ""; position: absolute; width: 57%; height: 42%; right: -6%; bottom: -11%; background: var(--orange); z-index: 0; }
.hero-art img { position: relative; display: block; width: 100%; z-index: 1; }
.statement { padding: 10vw 8vw; color: var(--orange); background: var(--orange); }
.statement p { margin: 0; color: var(--ink); font-size: clamp(2.7rem, 6.2vw, 6.5rem); font-weight: 850; line-height: .95; letter-spacing: -.07em; }
.product, .company { padding: 9vw 8vw; display: grid; grid-template-columns: .8fr 1.2fr; gap: 5vw; }
h2 { margin-bottom: 0; font-size: clamp(2.4rem, 5vw, 5.1rem); line-height: .96; letter-spacing: -.065em; }
.steps { border-top: 1px solid var(--line); }
.steps article { display: grid; grid-template-columns: 4.2rem 1fr 1.3fr; align-items: baseline; gap: 1.5rem; padding: 1.7rem 0; border-bottom: 1px solid var(--line); }
.steps span { color: var(--orange); font-size: .8rem; font-weight: 800; }
.steps h3 { margin: 0; font-size: 1.4rem; }
.steps p, .company-copy p { margin: 0; font-size: 1rem; line-height: 1.75; }
.principle { min-height: 520px; padding: 9vw 8vw; color: #fff; background: #242424; }
.principle h2 { max-width: 60rem; }
.principle-copy { max-width: 35rem; margin: 2rem 0 0; color: #c5c5c5; font-size: 1.05rem; line-height: 1.8; }
.company { background: #e9e7e1; }
.company-copy { max-width: 36rem; display: grid; gap: 1.35rem; }
.english-name { color: #666; font-size: .92rem !important; }
.contact { padding: 9vw 8vw; color: #fff; background: var(--orange); }
.contact .eyebrow { color: var(--ink); }
.contact h2 { max-width: 55rem; margin-bottom: 2rem; }
.email { display: inline-block; margin-bottom: 1rem; font-size: clamp(1.4rem, 3vw, 2.6rem); font-weight: 800; overflow-wrap: anywhere; }
.contact p:last-child { margin-bottom: 0; }
footer { padding: 2rem 5.5vw; display: flex; justify-content: space-between; gap: 1rem; color: #d9d9d9; background: var(--ink); font-size: .78rem; }
footer p { margin: 0; }
.icp { color: #999; }

@media (max-width: 700px) {
  .site-header { min-height: 64px; padding: 0 6vw; }
  nav { gap: 1rem; }
  nav a { font-size: .82rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 16vw 7vw 15vw; gap: 3.5rem; }
  .hero-art { max-width: 560px; justify-self: stretch; }
  .statement, .product, .principle, .company, .contact { padding: 17vw 7vw; }
  .product, .company { grid-template-columns: 1fr; gap: 3.5rem; }
  .steps article { grid-template-columns: 2.7rem 1fr; gap: .7rem; }
  .steps p { grid-column: 2; }
  footer { padding: 1.5rem 7vw; display: block; line-height: 1.6; }
  footer .icp { margin-top: .5rem; }
}