:root {
  --black: #070707;
  --black-soft: #11100e;
  --charcoal: #1a1916;
  --gold: #c8a45b;
  --gold-light: #ead397;
  --gold-deep: #8f6b2f;
  --ivory: #f5f2eb;
  --paper: #fffdf8;
  --white: #ffffff;
  --muted: #79756d;
  --line: rgba(12, 12, 10, 0.13);
  --container: min(1240px, calc(100vw - 56px));
  --shadow: 0 26px 80px rgba(20, 17, 10, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--black);
  font-family: "HarmonyOS Sans SC", "HarmonyOS Sans", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

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

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--gold-light);
  color: var(--black);
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 7, 7, 0.88);
  backdrop-filter: blur(18px);
}

.nav-shell {
  min-height: 82px;
  display: flex;
  align-items: center;
  gap: 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 220px;
  color: var(--white);
}

.brand img {
  width: 42px;
  height: 42px;
}

.brand-copy {
  display: grid;
  line-height: 1.05;
  letter-spacing: 0.08em;
}

.brand-copy strong {
  font-size: 15px;
  font-weight: 850;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--gold-light);
  font-size: 9px;
  letter-spacing: 0.22em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.primary-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 650;
  transition: color 0.2s ease;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 1px;
  background: var(--gold-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.language-switch {
  display: flex;
  padding: 3px;
  border: 1px solid rgba(234, 211, 151, 0.28);
  border-radius: 999px;
}

.language-button {
  min-width: 34px;
  height: 29px;
  padding: 0 8px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.language-button.is-active {
  background: var(--gold-light);
  color: var(--black);
}

.header-contact {
  display: grid;
  place-items: center;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid var(--gold);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 750;
  transition: background 0.2s ease, color 0.2s ease;
}

.header-contact:hover {
  background: var(--gold-light);
  color: var(--black);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  margin: 5px 0;
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 790px;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: var(--white);
  background: var(--black);
}

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

.hero-image {
  object-fit: cover;
  object-position: center;
  filter: saturate(0.72) contrast(1.04);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(2, 2, 2, 0.96) 0%, rgba(2, 2, 2, 0.82) 42%, rgba(2, 2, 2, 0.24) 74%, rgba(2, 2, 2, 0.46) 100%),
    linear-gradient(0deg, rgba(3, 3, 3, 0.68), transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 82px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 28px;
  color: var(--gold-light);
  font-size: 12px;
  letter-spacing: 0.22em;
}

.eyebrow span {
  width: 48px;
  height: 1px;
  background: var(--gold);
}

.hero h1,
.section-heading h2,
.section-top h2,
.contact-heading h2 {
  margin: 0;
  font-family: "HarmonyOS Sans SC", "Times New Roman", serif;
  font-weight: 760;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.hero h1 {
  max-width: 850px;
  font-size: clamp(54px, 6.5vw, 96px);
}

.hero h1 em,
.section-heading h2 em,
.contact-heading h2 em {
  color: var(--gold-light);
  font-style: normal;
  font-weight: inherit;
}

.hero-summary {
  max-width: 670px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 0 25px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  font-size: 14px;
  font-weight: 780;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.button-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--black);
}

.button-outline {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(0, 0, 0, 0.12);
  color: var(--white);
}

.button-outline:hover {
  border-color: var(--gold-light);
  color: var(--gold-light);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
}

.hero-points li::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 10px;
  border: 1px solid var(--gold-light);
  transform: rotate(45deg) translateY(-1px);
}

.scroll-cue {
  position: absolute;
  z-index: 2;
  right: 3vw;
  bottom: 42px;
  display: grid;
  justify-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 10px;
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
}

.scroll-cue i {
  width: 1px;
  height: 56px;
  background: linear-gradient(var(--gold-light), transparent);
}

.circuit {
  position: absolute;
  z-index: 1;
  border-color: rgba(218, 186, 111, 0.24);
  border-style: solid;
  pointer-events: none;
}

.circuit::before,
.circuit::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  background: var(--black);
}

.circuit-one {
  right: 9%;
  bottom: 12%;
  width: 230px;
  height: 120px;
  border-width: 1px 0 0 1px;
}

.circuit-one::before { top: -5px; left: -5px; }
.circuit-one::after { top: -5px; right: -5px; }
.circuit-two {
  top: 20%;
  right: 3%;
  width: 115px;
  height: 180px;
  border-width: 0 0 1px 1px;
}
.circuit-two::before { left: -5px; bottom: -5px; }
.circuit-two::after { right: -5px; bottom: -5px; }

.section-pad {
  padding: 120px 0;
}

.section-kicker {
  margin: 0 0 17px;
  color: var(--gold-deep);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section-kicker.light {
  color: var(--gold-light);
}

.section-index {
  display: inline-block;
  margin-bottom: 34px;
  color: rgba(0, 0, 0, 0.3);
  font-family: Georgia, serif;
  font-size: 13px;
}

.statement {
  background: var(--paper);
}

.statement-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.72fr);
  gap: 10vw;
  align-items: end;
}

.section-heading h2 {
  font-size: clamp(40px, 4.5vw, 68px);
}

.section-heading h2 em {
  color: var(--gold-deep);
}

.statement-copy {
  padding-bottom: 8px;
}

.statement-copy > p:first-child {
  margin: 0;
  color: #3c3933;
  font-size: 18px;
  line-height: 1.9;
}

.statement-rule {
  width: 100%;
  height: 1px;
  margin: 38px 0 24px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.statement-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.capabilities,
.process {
  position: relative;
  overflow: hidden;
  background: var(--black);
  color: var(--white);
}

.capabilities::before,
.process::before {
  content: "";
  position: absolute;
  width: 470px;
  height: 470px;
  border: 1px solid rgba(201, 165, 91, 0.13);
  border-radius: 50%;
  top: -260px;
  right: -120px;
}

.section-top {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.58fr);
  align-items: end;
  gap: 8vw;
  margin-bottom: 62px;
}

.section-top h2 {
  font-size: clamp(36px, 4.2vw, 60px);
}

.section-top > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 15px;
}

.capability-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  border-left: 1px solid rgba(255, 255, 255, 0.13);
}

.capability-card {
  position: relative;
  min-height: 340px;
  padding: 30px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.035), transparent 50%);
  transition: background 0.3s ease, transform 0.3s ease;
}

.capability-card:hover {
  z-index: 1;
  background: linear-gradient(150deg, rgba(234, 211, 151, 0.13), rgba(255, 255, 255, 0.02));
  transform: translateY(-5px);
}

.card-number {
  color: rgba(255, 255, 255, 0.3);
  font-family: Georgia, serif;
  font-size: 12px;
}

.card-icon {
  width: 50px;
  height: 50px;
  margin: 55px 0 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(234, 211, 151, 0.48);
  color: var(--gold-light);
}

.card-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.capability-card h3 {
  margin: 0 0 14px;
  font-size: 20px;
}

.capability-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 14px;
}

.environment {
  background: var(--ivory);
}

.environment-heading {
  max-width: 940px;
  margin-bottom: 62px;
}

.environment-heading > p:last-child {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--muted);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 290px;
  gap: 18px;
}

.gallery-card {
  position: relative;
  grid-column: span 4;
  margin: 0;
  overflow: hidden;
  background: var(--charcoal);
  box-shadow: var(--shadow);
}

.gallery-card.gallery-wide {
  grid-column: span 8;
}

.gallery-card.gallery-tall {
  grid-column: span 4;
  grid-row: span 2;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s cubic-bezier(0.2, 0.7, 0.2, 1), filter 0.4s ease;
}

.gallery-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(3, 3, 3, 0.86), transparent 52%);
  pointer-events: none;
}

.gallery-card:hover img {
  transform: scale(1.035);
  filter: saturate(0.8);
}

.gallery-card figcaption {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: flex-end;
  gap: 18px;
  padding: 26px 28px;
  color: var(--white);
}

.gallery-card figcaption > span {
  padding-bottom: 2px;
  color: var(--gold-light);
  font-family: Georgia, serif;
  font-size: 12px;
}

.gallery-card figcaption div {
  display: grid;
}

.gallery-card figcaption strong {
  font-size: 18px;
}

.gallery-card figcaption small {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.process::before {
  right: auto;
  left: -220px;
  top: auto;
  bottom: -290px;
}

.process-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.process-list li {
  position: relative;
  min-height: 260px;
  padding: 30px 30px 26px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.process-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: -4px;
  right: 28px;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--gold-light);
  border-right: 1px solid var(--gold-light);
  transform: rotate(45deg);
}

.process-list li > span {
  color: var(--gold-light);
  font-family: Georgia, serif;
  font-size: 12px;
}

.process-list li div {
  margin-top: 72px;
}

.process-list h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

.process-list p {
  max-width: 240px;
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.contact-section {
  position: relative;
  min-height: 650px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--black);
}

.contact-photo,
.contact-overlay {
  position: absolute;
  inset: 0;
}

.contact-photo {
  background: url("assets/office-meeting.png") center / cover no-repeat;
  filter: saturate(0.55);
}

.contact-overlay {
  background: linear-gradient(90deg, rgba(4, 4, 4, 0.97), rgba(4, 4, 4, 0.76) 54%, rgba(4, 4, 4, 0.45));
}

.contact-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  gap: 10vw;
  align-items: center;
  padding-block: 100px;
}

.contact-heading h2 {
  font-size: clamp(44px, 5vw, 76px);
}

.contact-heading > p:last-child {
  max-width: 620px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.6);
}

.contact-panel {
  padding: 36px;
  border: 1px solid rgba(234, 211, 151, 0.38);
  background: rgba(9, 9, 8, 0.78);
  backdrop-filter: blur(16px);
}

.contact-item {
  display: grid;
  gap: 8px;
  padding: 0 0 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-item span {
  color: var(--gold-light);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.contact-item a,
.contact-item strong {
  overflow-wrap: anywhere;
  color: var(--white);
  font-size: 20px;
  font-weight: 620;
}

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

.site-footer {
  padding: 34px 0;
  background: #050505;
  color: rgba(255, 255, 255, 0.42);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 36px;
  align-items: center;
  font-size: 11px;
}

.footer-brand {
  min-width: 0;
}

.footer-brand img {
  width: 34px;
  height: 34px;
}

.footer-grid p {
  margin: 0;
}

.toast {
  position: fixed;
  z-index: 200;
  right: 22px;
  bottom: 22px;
  max-width: calc(100vw - 44px);
  padding: 13px 18px;
  border: 1px solid var(--gold);
  background: var(--black);
  color: var(--gold-light);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  font-size: 13px;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .nav-shell { gap: 18px; }
  .primary-nav { gap: 18px; }
  .header-contact { display: none; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
}

@media (max-width: 900px) {
  :root { --container: min(100% - 38px, 720px); }
  .nav-shell { min-height: 72px; }
  .brand { min-width: 0; }
  .menu-toggle { display: block; margin-left: auto; order: 2; }
  .nav-actions { order: 1; margin-left: auto; }
  .primary-nav {
    position: absolute;
    top: 72px;
    right: 0;
    left: 0;
    z-index: 100;
    height: calc(100dvh - 72px);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 34px 22px;
    overflow-y: auto;
    background: #070707;
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.42);
    isolation: isolate;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  body.menu-open .primary-nav { transform: translateX(0); }
  .primary-nav a { width: 100%; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 20px; }
  .hero { min-height: 740px; height: 100svh; }
  .hero-shade { background: linear-gradient(90deg, rgba(2,2,2,.94), rgba(2,2,2,.7)), linear-gradient(0deg, rgba(2,2,2,.7), transparent); }
  .statement-grid,
  .contact-content { grid-template-columns: 1fr; gap: 58px; }
  .section-top { grid-template-columns: 1fr; gap: 26px; }
  .gallery { grid-auto-rows: 260px; }
  .gallery-card,
  .gallery-card.gallery-wide,
  .gallery-card.gallery-tall { grid-column: span 6; grid-row: span 1; }
  .gallery-card:first-child { grid-column: span 12; }
  .footer-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-grid p { max-width: 520px; }
}

@media (max-width: 620px) {
  :root { --container: calc(100% - 32px); }
  body { font-size: 15px; }
  .site-header { background: rgba(7, 7, 7, 0.95); }
  .brand img { width: 36px; height: 36px; }
  .brand-copy strong { font-size: 12px; }
  .brand-copy small { font-size: 7px; }
  .nav-actions { margin-left: auto; }
  .language-switch { border: 0; padding: 0; }
  .language-button { min-width: 30px; padding: 0 6px; }
  .menu-toggle { width: 40px; height: 40px; }
  .hero { min-height: 760px; }
  .hero-content { padding-top: 72px; }
  .eyebrow { font-size: 10px; letter-spacing: .14em; }
  .eyebrow span { width: 28px; }
  .hero h1 { font-size: clamp(31px, 9.2vw, 38px); }
  .hero-summary { font-size: 16px; line-height: 1.75; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-points { display: grid; gap: 10px; margin-top: 34px; }
  .scroll-cue, .circuit { display: none; }
  .section-pad { padding: 82px 0; }
  .section-heading h2,
  .section-top h2 { font-size: 38px; }
  .statement-copy > p:first-child { font-size: 16px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 280px; }
  .card-icon { margin: 38px 0 24px; }
  .gallery { display: grid; grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .gallery-card,
  .gallery-card.gallery-wide,
  .gallery-card.gallery-tall,
  .gallery-card:first-child { grid-column: 1; }
  .gallery-card figcaption { padding: 22px; }
  .process-list { grid-template-columns: 1fr; row-gap: 0; }
  .process-list li { min-height: auto; padding: 26px 0 36px; }
  .process-list li:not(:last-child)::after { display: none; }
  .process-list li div { margin-top: 34px; }
  .process-list p { max-width: none; }
  .contact-section { min-height: auto; }
  .contact-content { padding-block: 82px; gap: 46px; }
  .contact-heading h2 { font-size: 46px; }
  .contact-panel { padding: 25px 22px; }
  .contact-item a, .contact-item strong { font-size: 17px; }
  .contact-actions { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}