:root {
  --bg: #f7f7f3;
  --paper: #ffffff;
  --ink: #0f0f0f;
  --muted: #6e6e66;
  --line: #d9d8cf;
  --line-strong: #bab8ae;
  --accent: #ff5a1f;
  --green: #175f48;
  --blue: #2d5f88;
  --header: rgba(247, 247, 243, 0.82);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  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: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(15, 15, 15, 0.08);
  background: var(--header);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: 18px;
}

.brand-name {
  font-size: 15px;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 38px);
  color: #242420;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  position: relative;
  min-height: calc(100svh - 72px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  isolation: isolate;
}

.hero-layer {
  position: absolute;
  display: grid;
  inset: 0;
  place-items: center;
}

.hero-layer-front {
  z-index: 1;
  background: var(--paper);
  color: var(--ink);
}

.hero-layer-reveal {
  z-index: 2;
  background: var(--ink);
  color: var(--paper);
  clip-path: circle(0 at var(--spot-x, 50%) var(--spot-y, 50%));
  pointer-events: none;
  transition: clip-path 150ms ease-out;
}

.hero.is-revealing .hero-layer-reveal {
  clip-path: circle(clamp(120px, 18vw, 260px) at var(--spot-x, 50%) var(--spot-y, 50%));
}

.hero-inner {
  width: min(100%, 1640px);
  padding: clamp(36px, 7vw, 92px) clamp(18px, 4vw, 64px);
  text-align: center;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 auto;
  font-size: clamp(48px, 10vw, 176px);
  font-weight: 950;
  line-height: 0.86;
  white-space: nowrap;
}

.hero-copy {
  max-width: 880px;
  margin: clamp(22px, 3vw, 38px) auto 0;
  color: #34342f;
  font-size: clamp(18px, 2.1vw, 28px);
  font-weight: 620;
  line-height: 1.45;
  text-wrap: balance;
}

.hero-layer-reveal .hero-copy,
.hero-layer-reveal .eyebrow {
  color: rgba(255, 255, 255, 0.74);
}

.hero-layer-reveal .button {
  border-color: var(--paper);
}

.hero-layer-reveal .button.primary {
  background: var(--paper);
  color: var(--ink);
}

.hero-layer-reveal .button.ghost {
  background: transparent;
  color: var(--paper);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  font-size: 14px;
  font-weight: 800;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

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

.button.ghost {
  background: rgba(255, 255, 255, 0.36);
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(74px, 10vw, 132px) 0;
  scroll-margin-top: 84px;
}

.section-heading {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: end;
  gap: clamp(20px, 4vw, 64px);
  margin-bottom: clamp(32px, 6vw, 72px);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 24px;
}

.section-heading span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 850;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(42px, 8vw, 106px);
  font-weight: 930;
  line-height: 0.96;
}

.intro-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(320px, 1fr);
  gap: clamp(32px, 7vw, 90px);
  align-items: center;
}

.portrait-wrap {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  background: #dcdad0;
}

.portrait {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.08);
  transform: scale(1.02);
}

.portrait-caption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  background: rgba(247, 247, 243, 0.88);
  color: var(--ink);
  backdrop-filter: blur(14px);
}

.portrait-caption span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.portrait-caption strong {
  font-size: 14px;
}

.intro-copy p {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 40px);
  font-weight: 780;
  line-height: 1.28;
}

.intro-copy p + p {
  margin-top: 28px;
  color: #32322d;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(34px, 5vw, 64px);
  background: var(--line);
  border: 1px solid var(--line);
}

.stats div {
  min-height: 120px;
  padding: 20px;
  background: var(--bg);
}

.stats strong {
  display: block;
  color: var(--ink);
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1;
}

.stats span {
  display: block;
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

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

.showcase-card {
  position: relative;
  min-height: 510px;
  overflow: hidden;
  background: #151515;
  color: var(--paper);
}

.showcase-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(80%) contrast(1.04);
  transform: scale(1.02);
  transition:
    filter 220ms ease,
    transform 450ms ease;
}

.showcase-card:hover img {
  filter: grayscale(10%) contrast(1);
  transform: scale(1.07);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.76)),
    linear-gradient(45deg, rgba(255, 90, 31, 0.22), rgba(23, 95, 72, 0.14));
}

.card-content {
  position: absolute;
  right: 24px;
  bottom: 28px;
  left: 24px;
}

.card-content p {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.card-content h3 {
  margin: 0;
  font-size: clamp(26px, 3.5vw, 42px);
  line-height: 1.02;
}

.card-content span {
  display: block;
  max-width: 29ch;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 620;
}

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

.list-row {
  display: grid;
  grid-template-columns: 76px 1fr 42px;
  gap: clamp(16px, 4vw, 64px);
  align-items: center;
  min-height: 132px;
  border-bottom: 1px solid var(--line-strong);
  transition:
    background 180ms ease,
    padding 180ms ease;
}

.list-row:hover {
  background: rgba(15, 15, 15, 0.035);
  padding-right: 18px;
  padding-left: 18px;
}

.row-index {
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.row-text strong {
  display: block;
  font-size: clamp(24px, 3.2vw, 42px);
  line-height: 1.12;
}

.row-text em {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  font-style: normal;
  font-weight: 650;
}

.row-arrow {
  font-size: 32px;
  transform: translateX(0);
  transition: transform 180ms ease;
}

.list-row:hover .row-arrow {
  transform: translateX(8px);
}

.contact-section {
  padding-top: 0;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: end;
  padding: clamp(34px, 6vw, 72px);
  background: var(--ink);
  color: var(--paper);
}

.contact-kicker {
  display: block;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.contact-panel h2 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(42px, 7vw, 92px);
  line-height: 0.98;
}

.contact-link {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  border-bottom: 2px solid currentColor;
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 850;
}

.site-footer {
  display: flex;
  justify-content: center;
  padding: 28px 20px 42px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

@media (max-width: 920px) {
  .intro-layout,
  .showcase-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .showcase-card {
    min-height: 420px;
  }

  .contact-panel {
    align-items: start;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 64px;
    padding: 0 18px;
  }

  .nav-links {
    gap: 14px;
    font-size: 12px;
  }

  .brand-name {
    display: none;
  }

  .hero {
    min-height: calc(100svh - 64px);
    place-items: end center;
  }

  .hero-inner {
    padding-bottom: 52px;
  }

  .hero h1 {
    max-width: 7ch;
    font-size: clamp(58px, 20vw, 96px);
    white-space: normal;
  }

  .hero-copy {
    font-size: 17px;
    max-width: 30ch;
  }

  .section {
    width: min(100% - 28px, 1180px);
    padding: 72px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 32px;
  }

  .portrait-wrap,
  .portrait {
    min-height: 360px;
  }

  .portrait-caption {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .intro-copy p {
    font-size: 24px;
  }

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

  .list-row {
    grid-template-columns: 42px 1fr 28px;
    gap: 14px;
    min-height: 116px;
  }

  .row-text strong {
    font-size: 22px;
  }

  .row-arrow {
    font-size: 24px;
  }

  .contact-panel {
    padding: 30px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
