:root {
  --ink: #172022;
  --muted: #5f6868;
  --line: #dfe3df;
  --paper: #fbfaf6;
  --soft: #eef3ef;
  --accent: #2d6a62;
  --accent-deep: #164a45;
  --gold: #c98636;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(23, 32, 34, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 64px);
  color: var(--white);
  transition:
    background-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(251, 250, 246, 0.94);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(23, 32, 34, 0.08);
  backdrop-filter: blur(16px);
}

.brand,
.site-nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.site-nav {
  gap: clamp(14px, 3vw, 32px);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  opacity: 0.86;
}

.site-nav a:hover {
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(11, 17, 17, 0.82), rgba(11, 17, 17, 0.36) 54%, rgba(11, 17, 17, 0.12)),
    linear-gradient(0deg, rgba(11, 17, 17, 0.38), rgba(11, 17, 17, 0));
}

.hero-content {
  position: relative;
  width: min(720px, calc(100% - 40px));
  margin-left: clamp(20px, 8vw, 112px);
  padding-top: 56px;
}

.eyebrow,
.section-kicker,
.project-label {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.intro h2,
.contact h2 {
  margin: 0;
  line-height: 1.08;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(46px, 6.5vw, 84px);
}

.hero-copy {
  max-width: 560px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

.button.primary {
  background: var(--white);
  color: var(--ink);
  border-color: var(--white);
}

.button.secondary {
  color: var(--white);
}

.section,
.section-band,
.contact {
  padding: clamp(64px, 8vw, 112px) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.intro {
  border-bottom: 1px solid var(--line);
}

.intro-grid,
.about-grid,
.contact-inner {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(300px, 1.2fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.intro h2,
.section-heading h2,
.contact h2 {
  font-size: clamp(30px, 4vw, 52px);
}

.intro p,
.about-copy p,
.contact p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.about-copy p + p {
  margin-top: 18px;
}

.section-heading {
  margin-bottom: 34px;
}

.note-list {
  border-top: 1px solid var(--line);
}

.note-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.note-item time {
  color: var(--accent);
  font-weight: 800;
}

.note-item h3,
.project-card h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.note-item p,
.project-card p {
  margin: 0;
  color: var(--muted);
}

.section-muted {
  background: var(--soft);
}

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

.project-card {
  min-height: 230px;
  padding: 26px;
  background: var(--white);
  border: 1px solid rgba(23, 32, 34, 0.08);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(23, 32, 34, 0.06);
}

.project-card h3 {
  margin-top: 36px;
}

.contact {
  background: var(--accent-deep);
  color: var(--white);
}

.contact p {
  color: rgba(255, 255, 255, 0.72);
}

.mail-link {
  align-self: end;
  display: inline-flex;
  justify-content: center;
  width: 100%;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  color: var(--white);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(20px, 5vw, 64px);
  background: #101617;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer strong {
  color: var(--white);
}

.site-footer a:hover {
  color: var(--white);
}

@media (max-width: 780px) {
  .site-header {
    align-items: flex-start;
    gap: 14px;
    flex-direction: column;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(11, 17, 17, 0.86), rgba(11, 17, 17, 0.62)),
      linear-gradient(0deg, rgba(11, 17, 17, 0.52), rgba(11, 17, 17, 0));
  }

  .hero-content {
    margin: 0 auto;
    padding-top: 122px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .intro-grid,
  .about-grid,
  .contact-inner,
  .note-item,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .note-item {
    gap: 8px;
  }
}

@media (max-width: 430px) {
  .hero h1 {
    font-size: 40px;
  }

  .button {
    width: 100%;
  }
}