:root {
  --ink: #111312;
  --muted: #686d6a;
  --soft: #9da19e;
  --paper: #f4f5f3;
  --white: #ffffff;
  --line: rgba(17, 19, 18, 0.12);
  --line-strong: rgba(17, 19, 18, 0.22);
  --titanium: #d7dad6;
  --panel: #eef0ed;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
}

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

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

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 72px;
  padding: 18px clamp(18px, 4.6vw, 72px);
  background: rgba(244, 245, 243, 0.82);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    border-color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(255, 255, 255, 0.94);
  border-color: var(--line);
}

.brand {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 42px);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--ink);
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(460px, 1fr);
  gap: clamp(28px, 6vw, 92px);
  align-items: end;
  min-height: 100vh;
  padding: clamp(118px, 16vh, 168px) clamp(18px, 4.6vw, 72px) 52px;
}

.hero-copy {
  max-width: 720px;
  padding-bottom: clamp(22px, 5vw, 66px);
}

.eyebrow {
  margin: 0;
  color: var(--soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin: 20px 0 0;
  font-size: clamp(52px, 8vw, 108px);
  font-weight: 450;
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy p:not(.eyebrow) {
  max-width: 560px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 21px);
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  height: min(68vh, 720px);
  min-height: 480px;
  object-fit: cover;
  object-position: 66% center;
  filter: grayscale(0.18) saturate(0.72) contrast(0.98);
}

.hero-visual figcaption {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--white);
}

.hero-visual span {
  min-height: 60px;
  padding: 18px;
  color: var(--muted);
  border-right: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-visual span:last-child {
  border-right: 0;
}

.intro {
  padding: clamp(64px, 9vw, 118px) clamp(18px, 4.6vw, 72px);
  background: var(--white);
  border-block: 1px solid var(--line);
}

.intro p {
  max-width: 1120px;
  margin: 0;
  font-size: clamp(30px, 4.2vw, 58px);
  font-weight: 400;
  line-height: 1.1;
}

.section {
  width: min(1280px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(76px, 11vw, 136px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 0.72fr);
  gap: clamp(26px, 6vw, 88px);
  align-items: start;
  margin-bottom: 42px;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 68px);
  font-weight: 450;
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 10px 0 0;
  font-size: clamp(21px, 2.2vw, 34px);
  font-weight: 450;
  line-height: 1.13;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.work-card {
  display: grid;
  min-height: 100%;
  background: var(--white);
}

.work-card.large {
  grid-column: span 2;
}

.work-card img {
  height: 330px;
  object-fit: cover;
  filter: grayscale(0.08) saturate(0.72) contrast(0.98);
}

.work-card.large img {
  height: 430px;
}

.card-copy {
  min-height: 214px;
  padding: clamp(22px, 3vw, 34px);
}

.card-copy span {
  color: var(--soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card-copy p,
.process-copy p,
.contact-panel p,
.capability-list dd {
  margin: 14px 0 0;
  color: var(--muted);
}

.capability-section {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(420px, 1fr);
  gap: clamp(36px, 7vw, 98px);
  padding: clamp(76px, 10vw, 126px) clamp(18px, 4.6vw, 72px);
  background: var(--white);
  border-block: 1px solid var(--line);
}

.capability-text h2 {
  margin-top: 18px;
}

.capability-list {
  margin: 0;
}

.capability-list div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.capability-list div:last-child {
  border-bottom: 1px solid var(--line);
}

.capability-list dt {
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.capability-list dd {
  margin-top: 0;
}

.process-section {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.72fr);
  gap: clamp(34px, 7vw, 86px);
  align-items: center;
  padding: clamp(76px, 10vw, 124px) clamp(18px, 4.6vw, 72px);
}

.process-section figure {
  margin: 0;
}

.process-section img {
  aspect-ratio: 16 / 8;
  object-fit: cover;
  filter: grayscale(0.12) saturate(0.68) contrast(0.98);
}

.process-copy h2 {
  margin-top: 18px;
}

.process-copy p {
  margin-top: 22px;
}

.gallery {
  display: grid;
  grid-template-columns: 1fr 0.78fr 0.92fr;
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.gallery figure {
  position: relative;
  min-height: 430px;
  margin: 0;
  background: var(--white);
  overflow: hidden;
}

.gallery img {
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.16) saturate(0.68) contrast(0.98);
}

.gallery figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  width: max-content;
  max-width: calc(100% - 36px);
  padding: 9px 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(340px, 0.56fr);
  gap: clamp(34px, 7vw, 98px);
  align-items: start;
  padding: clamp(80px, 11vw, 140px) clamp(18px, 4.6vw, 72px);
  background: var(--white);
}

.contact-section h2 {
  margin-top: 18px;
}

.contact-panel {
  padding: clamp(24px, 4vw, 38px);
  background: var(--panel);
  border: 1px solid var(--line);
}

.contact-panel p {
  margin-top: 0;
}

.contact-link {
  display: inline-flex;
  margin-top: 28px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink);
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 450;
  line-height: 1.1;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(18px, 4.6vw, 72px);
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.14em;
}

.site-footer a {
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
}

.footer-records {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
}

.police-record {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.police-record span {
  color: #b0842f;
  font-size: 12px;
}

@media (max-width: 1100px) {
  .hero,
  .capability-section,
  .process-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    align-items: start;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .hero-visual img {
    height: 560px;
  }

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

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

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    right: 18px;
    left: 18px;
    display: none;
    padding: 18px;
    border: 1px solid var(--line);
    color: var(--ink);
    background: var(--white);
  }

  .site-header.is-open .site-nav {
    display: grid;
  }

  .brand-line {
    display: none;
  }

  .section-heading,
  .capability-list div {
    grid-template-columns: 1fr;
  }

  .work-card.large {
    grid-column: span 1;
  }

  .work-card.large img,
  .work-card img {
    height: 320px;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 66px;
    padding-inline: 14px;
  }

  .hero {
    min-height: auto;
    padding: 108px 14px 34px;
  }

  h1 {
    font-size: 48px;
  }

  .hero-copy p:not(.eyebrow) {
    font-size: 17px;
  }

  .hero-visual img {
    min-height: 0;
    height: 420px;
  }

  .hero-visual figcaption {
    grid-template-columns: 1fr;
  }

  .hero-visual span {
    min-height: 44px;
    padding: 13px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-visual span:last-child {
    border-bottom: 0;
  }

  .intro,
  .capability-section,
  .process-section,
  .contact-section {
    padding-inline: 14px;
  }

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

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

  .gallery figure {
    min-height: 340px;
  }

  .contact-link {
    font-size: 24px;
  }
}