:root {
  --black: #181818;
  --black-soft: #22201c;
  --gold: #c9a24a;
  --gold-light: #d9bc73;
  --cream: #f6f3ec;
  --white: #ffffff;
  --ink: #26231d;
  --muted: #6e685d;
  --line: rgba(201, 162, 74, 0.28);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: "Be Vietnam Pro", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

body.is-locked {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  padding: 20px clamp(20px, 4vw, 64px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(24, 24, 24, 0.88), rgba(24, 24, 24, 0));
  transition: background 220ms ease, min-height 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  min-height: 74px;
  background: rgba(24, 24, 24, 0.96);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
}

.brand img {
  width: clamp(140px, 13vw, 210px);
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 30px);
  font-size: 0.88rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.site-nav a,
.lang-switch {
  color: rgba(255, 255, 255, 0.84);
  transition: color 180ms ease;
}

.site-nav a:hover,
.lang-switch:hover {
  color: var(--gold-light);
}

.lang-switch,
.nav-toggle {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.lang-switch {
  padding: 8px 0;
  color: var(--gold-light);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: var(--gold-light);
}

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

.hero__media,
.hero__overlay {
  position: absolute;
  inset: 0;
}

.hero__media {
  background-image: url("assets/hero-saigon-night.png");
  background-position: center;
  background-size: cover;
  filter: saturate(0.92) contrast(1.06);
  transform: scale(1.02);
}

.hero__overlay {
  background:
    radial-gradient(circle at 70% 65%, rgba(201, 162, 74, 0.2), transparent 34%),
    linear-gradient(90deg, rgba(24, 24, 24, 0.96) 0%, rgba(24, 24, 24, 0.74) 47%, rgba(24, 24, 24, 0.36) 100%),
    linear-gradient(180deg, rgba(24, 24, 24, 0.2), rgba(24, 24, 24, 0.9));
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(860px, calc(100% - 40px));
  margin: 0 auto;
  transform: translateX(-12vw);
  padding: 132px 0 80px;
}

.hero__logo {
  width: clamp(230px, 26vw, 430px);
  margin-bottom: 34px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Saira Condensed", "Be Vietnam Pro", "Segoe UI", Arial, sans-serif;
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
}

h1 {
  max-width: 820px;
  font-size: clamp(3.05rem, 6vw, 6.35rem);
}

h2 {
  font-size: clamp(2.45rem, 4.7vw, 5rem);
}

h3 {
  font-size: clamp(1.65rem, 2.3vw, 2.45rem);
}

.hero__lead {
  max-width: 660px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 22px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  font-weight: 700;
  color: var(--gold-light);
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.btn--primary {
  background: var(--gold);
  color: var(--black);
}

.btn--primary:hover {
  background: var(--gold-light);
}

.btn--secondary,
.btn--ghost {
  background: transparent;
}

.btn--secondary:hover,
.btn--ghost:hover {
  background: var(--gold);
  color: var(--black);
}

.band--dark,
.section--black,
.contact-section,
.site-footer {
  color: var(--white);
  background: var(--black);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats__item {
  min-height: 132px;
  padding: 30px clamp(20px, 3vw, 44px);
  border-right: 1px solid var(--line);
}

.stats__item:last-child {
  border-right: 0;
}

.stats__item span {
  display: block;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.88rem;
}

.stats__item strong {
  display: block;
  margin-top: 10px;
  color: var(--gold-light);
  font-size: clamp(1.2rem, 2.1vw, 2rem);
  font-weight: 600;
}

.section {
  padding: clamp(72px, 9vw, 132px) 0;
}

.section--cream {
  background: var(--cream);
}

.section--white {
  background: var(--white);
}

.two-col {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 7vw, 96px);
}

.rich-copy p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 1.04rem;
}

.values-grid,
.capability-grid,
.portfolio-grid,
.news-grid,
.contact-grid,
.footer-grid {
  display: grid;
  gap: 22px;
}

.values-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 58px;
}

.value-card,
.capability-card,
.news-card {
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 50px rgba(24, 24, 24, 0.08);
}

.value-card {
  padding: 30px;
}

.value-card span,
.news-card span,
.process li span {
  color: var(--gold);
  font-weight: 800;
}

.value-card h3,
.capability-card h3,
.news-card h3 {
  margin-top: 16px;
}

.value-card p,
.capability-card p,
.news-card p,
.section-head p,
.portfolio-panel p {
  color: var(--muted);
}

.section-head {
  max-width: 850px;
  margin-bottom: 44px;
}

.capability-grid {
  grid-template-columns: repeat(4, 1fr);
}

.capability-card {
  min-height: 260px;
  padding: 30px;
  border-top: 3px solid var(--gold);
}

.process {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  margin-top: 70px;
  padding: 42px;
  border: 1px solid rgba(24, 24, 24, 0.1);
  border-radius: 8px;
}

.process ol {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: start;
  color: var(--muted);
}

.section--black {
  background:
    radial-gradient(circle at 80% 10%, rgba(201, 162, 74, 0.18), transparent 28%),
    var(--black);
}

.section--black .section-head p,
.section--black .portfolio-panel p {
  color: rgba(255, 255, 255, 0.68);
}

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

.portfolio-panel {
  min-height: 520px;
  padding: clamp(28px, 4vw, 54px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0)),
    rgba(255, 255, 255, 0.035);
  overflow: hidden;
}

.portfolio-panel--gold {
  background:
    radial-gradient(circle at 80% 18%, rgba(217, 188, 115, 0.22), transparent 28%),
    rgba(255, 255, 255, 0.05);
}

.portfolio-panel h3 {
  color: var(--white);
}

.brand-list {
  display: grid;
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.brand-list li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.brand-list strong {
  color: var(--white);
}

.brand-list span {
  color: var(--gold-light);
  text-align: right;
}

.map-band {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 42px;
  align-items: center;
}

.location-card {
  display: grid;
  place-items: center;
  min-height: 330px;
  border: 1px solid rgba(201, 162, 74, 0.36);
  border-radius: 8px;
  background: linear-gradient(145deg, var(--white), #eee8d9);
  box-shadow: var(--shadow);
}

.location-card img {
  width: 134px;
  opacity: 0.9;
}

.location-card span {
  margin-top: 16px;
  color: var(--black);
  font-weight: 800;
  letter-spacing: 0.14em;
}

.news-grid {
  grid-template-columns: repeat(3, 1fr);
}

.news-card {
  padding: 30px;
  min-height: 300px;
}

.contact-section {
  background:
    linear-gradient(135deg, rgba(201, 162, 74, 0.14), transparent 34%),
    var(--black);
}

.contact-grid {
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(34px, 6vw, 86px);
  align-items: start;
}

.contact-copy h2 {
  margin-bottom: 36px;
}

.contact-list {
  display: grid;
  gap: 18px;
  margin: 0;
}

.contact-list div {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.contact-list dt {
  color: rgba(255, 255, 255, 0.54);
}

.contact-list dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.9);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(14px);
}

.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.92rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--white);
  background: rgba(0, 0, 0, 0.22);
  outline: none;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--gold);
}

.contact-form option {
  color: var(--black);
}

.privacy-note,
.form-status {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
}

.form-status {
  min-height: 1.3em;
  color: var(--gold-light);
}

.site-footer {
  padding: 60px 0 24px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  grid-template-columns: 1.2fr 0.8fr 1fr;
}

.footer-mark {
  width: 66px;
  margin-bottom: 18px;
}

.site-footer h2 {
  margin-bottom: 16px;
  color: var(--gold-light);
  font-family: "Be Vietnam Pro", "Segoe UI", Arial, sans-serif;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.66);
}

.footer-bottom {
  width: min(1180px, calc(100% - 40px));
  margin: 34px auto 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.44);
  font-size: 0.88rem;
}

.age-gate {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: none;
  place-items: center;
  padding: 20px;
  background: rgba(12, 12, 12, 0.86);
}

.age-gate.is-visible {
  display: grid;
}

.age-gate__panel {
  width: min(560px, 100%);
  padding: clamp(28px, 5vw, 46px);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(145deg, #211f1b, #111);
  box-shadow: var(--shadow);
}

.age-gate__mark {
  width: 84px;
  margin-bottom: 20px;
}

.age-gate__panel p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
}

.age-gate__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@media (max-width: 1040px) {
  .hero__content {
    transform: none;
  }

  .stats,
  .values-grid,
  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats__item:nth-child(2) {
    border-right: 0;
  }

  .portfolio-grid,
  .two-col,
  .process,
  .map-band,
  .news-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .site-header {
    min-height: 74px;
    padding: 14px 20px;
    background: rgba(24, 24, 24, 0.94);
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 22px;
    background: rgba(24, 24, 24, 0.98);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a,
  .lang-switch {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: left;
  }

  .hero {
    min-height: 820px;
  }

  .hero__content {
    padding-top: 120px;
  }

  h1 {
    font-size: clamp(3rem, 13vw, 5rem);
  }

  .portfolio-panel {
    min-height: auto;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .brand img {
    width: 130px;
  }

  .hero {
    min-height: 760px;
  }

  .hero__actions,
  .age-gate__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

  .stats__item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stats__item:last-child {
    border-bottom: 0;
  }

  .process,
  .contact-form {
    padding: 24px;
  }

  .process li {
    grid-template-columns: 44px 1fr;
  }

  .brand-list li {
    display: grid;
  }

  .brand-list span {
    text-align: left;
  }

  .location-card {
    min-height: 240px;
  }
}