@import url("https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap&subset=vietnamese");

:root {
  --ink: #070707;
  --charcoal: #111111;
  --panel: #181715;
  --cream: #f3eee5;
  --paper: #fffaf1;
  --text: #f9f4ec;
  --muted: #b9b1a5;
  --dark-text: #151412;
  --dark-muted: rgba(21, 20, 18, 0.66);
  --gold: #c8a247;
  --gold-light: #e1c46a;
  --green: #143c32;
  --line: rgba(255, 255, 255, 0.14);
  --dark-line: rgba(21, 20, 18, 0.13);
  --danger: #ff6b5f;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  --max: 1200px;
  --header: 76px;
  --radius: 8px;
  --font-body: "Be Vietnam Pro", "Segoe UI", Tahoma, Arial, sans-serif;
  --font-display: "Be Vietnam Pro", "Segoe UI", Tahoma, Arial, sans-serif;
  --display-heading-size: clamp(48px, 7vw, 100px);
  --section-heading-size: clamp(34px, 4.25vw, 68px);
  --display-leading: 1.14;
  --section-leading: 1.18;
  --card-title-leading: 1.28;
  --eyebrow-leading: 1.4;
  --body-copy-leading: 1.64;
  --cta-leading: 1.32;
  --nav-leading: 1.3;
  --form-leading: 1.42;
  --compact-ui-leading: 1.2;
}

html[lang="vi"] {
  --display-heading-size: clamp(39px, 5.6vw, 82px);
  --section-heading-size: clamp(30px, 3.45vw, 54px);
  --display-leading: 1.22;
  --section-leading: 1.3;
  --card-title-leading: 1.36;
  --eyebrow-leading: 1.55;
  --body-copy-leading: 1.76;
  --cta-leading: 1.45;
  --nav-leading: 1.42;
  --form-leading: 1.52;
  --compact-ui-leading: 1.3;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header);
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  line-height: var(--body-copy-leading);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  text-size-adjust: 100%;
}

body.menu-open,
body.lightbox-open {
  overflow: hidden;
}

body.in-contact .mobile-quick-actions {
  display: none;
}

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

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

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

button {
  cursor: pointer;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.display-heading,
.section-title,
.card-title,
h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 800;
  overflow-wrap: break-word;
  word-break: normal;
  text-wrap: balance;
}

h1,
.display-heading {
  line-height: var(--display-leading);
}

h2,
.section-title {
  line-height: var(--section-leading);
}

h3,
.card-title {
  line-height: var(--card-title-leading);
}

h1 {
  max-width: 900px;
  margin-bottom: 24px;
  font-size: var(--display-heading-size);
}

h2 {
  max-width: 920px;
  margin-bottom: 18px;
  font-size: var(--section-heading-size);
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.display-heading {
  max-width: 900px;
  font-size: var(--display-heading-size);
}

.section-title {
  max-width: 920px;
  font-size: var(--section-heading-size);
}

.body-copy {
  line-height: var(--body-copy-leading);
}

.cta-text {
  line-height: var(--cta-leading);
}

html[lang="vi"] h1,
html[lang="vi"] h2,
html[lang="vi"] h3 {
  letter-spacing: 0;
  text-wrap: balance;
}

html[lang="vi"] h1 {
  max-width: 980px;
  font-size: var(--display-heading-size);
  line-height: var(--display-leading);
}

html[lang="vi"] h2 {
  max-width: 980px;
  font-size: var(--section-heading-size);
  line-height: var(--section-leading);
}

html[lang="vi"] h3 {
  line-height: var(--card-title-leading);
}

html[lang="vi"] .display-heading {
  max-width: 980px;
}

html[lang="vi"] .section-title {
  max-width: 980px;
}

html[lang="vi"] .service-card h3,
html[lang="vi"] .project-card h3,
html[lang="vi"] .solution-card h3,
html[lang="vi"] .why-card h3,
html[lang="vi"] .process-list h3,
html[lang="vi"] .package-card h3 {
  line-height: var(--card-title-leading);
}

html[lang="vi"] .project-meta,
html[lang="vi"] .case-details dt,
html[lang="vi"] .service-link,
html[lang="vi"] .small-link,
html[lang="vi"] .btn,
html[lang="vi"] .main-nav a,
html[lang="vi"] .contact-form label,
html[lang="vi"] .mobile-quick-actions a {
  line-height: var(--cta-leading);
}

html[lang="vi"] .hero-meta span,
html[lang="vi"] .experience-pillars span,
html[lang="vi"] .proof-placeholder strong,
html[lang="vi"] .proof-placeholder span,
html[lang="vi"] .contact-card a {
  line-height: var(--compact-ui-leading);
}

html[lang="vi"] .footer-grid {
  line-height: var(--body-copy-leading);
}

p {
  margin-bottom: 0;
}

.container {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 34px;
  background: rgba(7, 7, 7, 0.56);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(7, 7, 7, 0.95);
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.3);
}

.brand {
  min-width: 214px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(225, 196, 106, 0.78);
  background: #0f0f0e;
  color: var(--gold-light);
  font-size: 23px;
  font-weight: 800;
  line-height: var(--compact-ui-leading);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  line-height: var(--compact-ui-leading);
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px;
}

.lang-option {
  min-width: 36px;
  min-height: 30px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: rgba(249, 244, 236, 0.78);
  padding: 0 9px;
  font-size: 12px;
  font-weight: 800;
  line-height: var(--cta-leading);
  transition: background 180ms ease, color 180ms ease;
}

.lang-option:hover,
.lang-option:focus-visible {
  color: var(--text);
}

.lang-option.is-active {
  background: var(--gold);
  color: #111;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(249, 244, 236, 0.84);
  font-size: 13px;
  font-weight: 700;
}

.main-nav a {
  position: relative;
  padding: 7px 0;
  line-height: var(--nav-leading);
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--gold);
  transition: right 180ms ease;
}

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

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  right: 0;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 0 auto 6px;
  background: var(--text);
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle span:last-child {
  margin-bottom: 0;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

.section {
  position: relative;
  padding: 118px 34px;
  overflow: hidden;
}

.section-heading {
  max-width: 900px;
  margin-bottom: 48px;
}

.section-heading p,
.section-copy p {
  color: rgba(249, 244, 236, 0.74);
  font-size: 17px;
}

.services-section .section-heading p,
.packages-section .section-heading p,
.proof-section .section-copy p,
.solutions-section .section-copy p {
  color: var(--dark-muted);
}

.eyebrow-label,
.section-label,
.eyebrow {
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  line-height: var(--eyebrow-leading);
  text-transform: uppercase;
}

html[lang="vi"] .eyebrow-label,
html[lang="vi"] .section-label,
html[lang="vi"] .eyebrow {
  line-height: var(--eyebrow-leading);
  text-wrap: balance;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0 20px;
  font-size: 14px;
  font-weight: 800;
  line-height: var(--cta-leading);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

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

.btn-primary {
  background: var(--gold);
  color: #111;
}

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

.btn-secondary {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(225, 196, 106, 0.68);
}

.btn-ghost {
  border-color: rgba(225, 196, 106, 0.46);
  background: rgba(200, 162, 71, 0.1);
  color: var(--gold-light);
}

.hero {
  min-height: 100vh;
  display: grid;
  align-items: end;
  padding: calc(var(--header) + 96px) 34px 86px;
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 7, 7, 0.93) 0%, rgba(7, 7, 7, 0.54) 46%, rgba(7, 7, 7, 0.82) 100%),
    linear-gradient(0deg, rgba(7, 7, 7, 0.98) 0%, rgba(7, 7, 7, 0.22) 52%, rgba(7, 7, 7, 0.44) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  max-width: 820px;
  color: rgba(249, 244, 236, 0.82);
  font-size: 18px;
  line-height: var(--body-copy-leading);
}

html[lang="vi"] .body-copy,
html[lang="vi"] .hero-subtitle,
html[lang="vi"] .section-heading p,
html[lang="vi"] .section-copy p,
html[lang="vi"] .experience-copy p,
html[lang="vi"] .service-card p,
html[lang="vi"] .package-card p,
html[lang="vi"] .project-body > p:last-of-type,
html[lang="vi"] .process-list p,
html[lang="vi"] .case-details dd {
  line-height: var(--body-copy-leading);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-meta span {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  padding: 8px 12px;
  color: rgba(249, 244, 236, 0.82);
  font-size: 13px;
  font-weight: 800;
}

.experience-section {
  background: #0c0c0b;
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  gap: 70px;
  align-items: end;
}

.experience-statement h2 {
  max-width: 820px;
}

.experience-copy p {
  color: rgba(249, 244, 236, 0.78);
  font-size: 18px;
  line-height: var(--body-copy-leading);
}

.experience-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--line);
  background: var(--line);
}

.experience-pillars span {
  min-height: 92px;
  display: grid;
  place-items: center;
  background: #151515;
  color: var(--gold-light);
  font-size: 14px;
  font-weight: 800;
  line-height: var(--compact-ui-leading);
  text-align: center;
}

.services-section,
.packages-section,
.solutions-section {
  background: var(--cream);
  color: var(--dark-text);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 420px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

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

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(200, 162, 71, 0.62);
  box-shadow: 0 22px 48px rgba(40, 32, 14, 0.14);
}

.service-media {
  aspect-ratio: 16 / 9;
  height: auto;
  overflow: hidden;
  background: #161616;
}

.service-card-large .service-media {
  aspect-ratio: 16 / 9;
  height: auto;
}

.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 360ms ease, filter 360ms ease;
}

.service-card:hover .service-media img {
  transform: scale(1.045);
  filter: saturate(1.08);
}

.service-content {
  min-height: 250px;
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.service-icon {
  display: inline-flex;
  margin-bottom: 16px;
  color: #715a20;
  font-size: 12px;
  font-weight: 800;
}

.service-card p,
.package-card p {
  color: var(--dark-muted);
  font-size: 14px;
  line-height: var(--body-copy-leading);
}

.service-link,
.small-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
  color: #2f2713;
  font-size: 13px;
  font-weight: 800;
  line-height: var(--cta-leading);
}

.service-link::after,
.small-link::after {
  content: "->";
  color: var(--gold);
}

.portfolio-section {
  background: #080808;
}

.portfolio-heading {
  margin-bottom: 52px;
}

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

.portfolio-grid-condensed {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.project-card {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: #151515;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(200, 162, 71, 0.5);
  background: #181817;
}

.project-card-featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
}

.project-card-case .project-body {
  min-height: auto;
  flex: 1;
}

.project-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  display: block;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #111;
  padding: 0;
}

.project-card-featured .project-image {
  aspect-ratio: 4 / 3;
  height: auto;
  min-height: 0;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 360ms ease, filter 360ms ease;
}

.project-image:hover img,
.project-image:focus-visible img {
  transform: scale(1.04);
  filter: saturate(1.06);
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 8px;
  padding: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.025);
}

.project-gallery button {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  background: #111;
  padding: 0;
  cursor: pointer;
}

.project-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 280ms ease, filter 280ms ease;
}

.project-gallery button:hover img,
.project-gallery button:focus-visible img {
  transform: scale(1.05);
  filter: saturate(1.08);
}

.project-body {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.project-card-featured .project-body {
  min-height: 450px;
  padding: 32px;
}

.project-meta {
  margin-bottom: 12px;
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 800;
  line-height: var(--eyebrow-leading);
  text-transform: uppercase;
}

.case-details {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.case-details div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.case-details dt {
  color: rgba(225, 196, 106, 0.88);
  font-size: 12px;
  font-weight: 800;
  line-height: var(--compact-ui-leading);
}

.case-details dd {
  margin: 0;
  color: rgba(249, 244, 236, 0.74);
  font-size: 13px;
  line-height: var(--body-copy-leading);
}

.project-body > p:last-of-type {
  color: rgba(249, 244, 236, 0.74);
  font-size: 14px;
  line-height: var(--body-copy-leading);
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  align-items: center;
  margin-top: auto;
}

.project-actions .small-link {
  margin-top: 0;
  padding-top: 0;
}

.project-card .small-link {
  color: var(--gold-light);
}

.project-card .facebook-post-link {
  color: rgba(249, 244, 236, 0.78);
}

.project-card .facebook-post-link:hover,
.project-card .facebook-post-link:focus-visible {
  color: var(--gold-light);
}

.solutions-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1fr);
  gap: 56px;
  align-items: start;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--dark-line);
  background: var(--dark-line);
}

.solution-card {
  min-height: 164px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--paper);
  padding: 22px;
}

.solution-card span {
  color: #715a20;
  font-size: 12px;
  font-weight: 800;
}

.solution-card h3 {
  margin-bottom: 0;
  font-size: 25px;
}

.why-section {
  background:
    linear-gradient(135deg, rgba(7, 7, 7, 0.8), rgba(20, 60, 50, 0.96)),
    url("assets/images/resort-event.webp") center / cover;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.why-card {
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  padding: 24px;
}

.why-card span {
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 800;
}

.why-card h3 {
  margin-bottom: 0;
  font-size: 21px;
}

.process-section {
  background: #10100f;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.process-list li {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #151515;
  padding: 22px;
}

.process-list span {
  color: var(--gold-light);
  font-weight: 800;
}

.process-list p {
  color: var(--muted);
  font-size: 14px;
  line-height: var(--body-copy-leading);
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.package-card {
  min-height: 258px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 22px;
  transition: background 180ms ease;
}

.package-card:hover {
  background: #f8ecd8;
}

.package-card h3 {
  font-size: 22px;
}

.package-card .small-link {
  padding-top: 22px;
}

.package-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 30px;
  border: 1px solid rgba(21, 20, 18, 0.14);
  border-radius: var(--radius);
  background: #16130c;
  padding: 22px;
  color: var(--text);
}

.package-cta p {
  color: rgba(249, 244, 236, 0.82);
  line-height: var(--body-copy-leading);
}

.proof-section {
  background: #0c0c0b;
  color: var(--text);
}

.proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  gap: 48px;
  align-items: start;
}

.proof-placeholders {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.proof-placeholder {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #151515;
  padding: 22px;
}

.proof-placeholder strong {
  font-size: 18px;
  line-height: var(--card-title-leading);
}

.proof-placeholder span {
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 800;
  line-height: var(--compact-ui-leading);
}

.contact-section {
  background:
    linear-gradient(90deg, rgba(7, 7, 7, 0.98), rgba(7, 7, 7, 0.78)),
    url("assets/images/stage-lighting.webp") center / cover fixed;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(440px, 1fr);
  gap: 54px;
  align-items: start;
}

.contact-info > p {
  color: rgba(249, 244, 236, 0.78);
  line-height: var(--body-copy-leading);
}

.contact-card {
  display: grid;
  gap: 12px;
  margin-top: 30px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.contact-card a {
  width: fit-content;
  color: rgba(249, 244, 236, 0.84);
  font-weight: 700;
  line-height: var(--compact-ui-leading);
}

.contact-card a:hover,
.contact-card a:focus-visible {
  color: var(--gold-light);
}

.quick-contact-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
}

.contact-form {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(14, 14, 13, 0.92);
  box-shadow: var(--shadow);
  padding: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contact-form label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  line-height: var(--form-leading);
}

.full-field {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 13px 14px;
  outline: none;
  transition: border-color 160ms ease, background 160ms ease;
}

.contact-form select {
  color-scheme: dark;
}

.contact-form textarea {
  min-height: 132px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.09);
}

.contact-form .is-invalid {
  border-color: var(--danger);
}

.field-error {
  min-height: 18px;
  display: block;
  margin-top: 6px;
  color: var(--danger);
  font-size: 12px;
  font-weight: 600;
}

.contact-form .btn {
  width: 100%;
  margin-top: 20px;
}

.contact-form-note {
  margin-top: 14px;
  color: rgba(249, 244, 236, 0.72);
  font-size: 13px;
  line-height: var(--body-copy-leading);
}

.form-status {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--gold-light);
  font-size: 14px;
  line-height: var(--body-copy-leading);
}

.site-footer {
  padding: 34px;
  background: #080808;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: start;
  color: rgba(249, 244, 236, 0.76);
  font-size: 13px;
  line-height: var(--body-copy-leading);
}

.footer-grid strong,
.footer-grid a {
  color: var(--gold-light);
}

.mobile-quick-actions {
  display: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.88);
}

.lightbox.is-open {
  display: flex;
}

.lightbox img {
  max-width: min(1120px, 92vw);
  max-height: 82vh;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 22px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 30px;
  line-height: var(--compact-ui-leading);
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 1;
  transform: translateY(14px);
  transition: transform 540ms ease;
}

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

@media (max-width: 1180px) {
  .service-grid,
  .portfolio-grid,
  .why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-card-featured {
    grid-column: span 2;
  }

  .package-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .experience-grid,
  .solutions-layout,
  .proof-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  :root {
    --header: 68px;
  }

  .site-header {
    padding: 0 18px;
  }

  .brand {
    min-width: 0;
    gap: 10px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-actions {
    gap: 8px;
  }

  .language-switcher {
    padding: 2px;
  }

  .lang-option {
    min-width: 34px;
    min-height: 32px;
    padding: 0 8px;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    left: 14px;
    right: 14px;
    top: calc(var(--header) + 10px);
    display: grid;
    gap: 0;
    padding: 10px;
    background: rgba(7, 7, 7, 0.98);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .main-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .main-nav a {
    padding: 13px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 14px;
    line-height: var(--nav-leading);
  }

  .main-nav a:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 760px) {
  :root {
    --display-heading-size: 44px;
    --section-heading-size: 33px;
    --display-leading: 1.16;
    --section-leading: 1.22;
  }

  html[lang="vi"] {
    --display-heading-size: 36px;
    --section-heading-size: 30px;
    --display-leading: 1.28;
    --section-leading: 1.34;
    --card-title-leading: 1.4;
  }

  .section {
    padding: 82px 18px;
  }

  .hero {
    min-height: 92vh;
    padding: calc(var(--header) + 52px) 18px 74px;
  }

  h1 {
    font-size: var(--display-heading-size);
    line-height: var(--display-leading);
  }

  html[lang="vi"] h1 {
    font-size: var(--display-heading-size);
    line-height: var(--display-leading);
  }

  h2 {
    font-size: var(--section-heading-size);
    line-height: var(--section-leading);
  }

  html[lang="vi"] h2 {
    font-size: var(--section-heading-size);
    line-height: var(--section-leading);
  }

  h3 {
    font-size: 20px;
  }

  html[lang="vi"] h3 {
    line-height: var(--card-title-leading);
  }

  .hero-subtitle,
  .section-heading p,
  .section-copy p,
  .experience-copy p {
    font-size: 16px;
  }

  html[lang="vi"] .section-heading {
    max-width: 100%;
  }

  .hero-actions,
  .quick-contact-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .hero-meta,
  .experience-pillars {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .portfolio-grid,
  .why-grid,
  .process-list,
  .package-grid,
  .solution-grid,
  .proof-placeholders,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .service-card-large,
  .project-card-featured {
    grid-column: auto;
  }

  .project-card-featured {
    display: flex;
  }

  .service-card,
  .project-body,
  .project-card-featured .project-body,
  .why-card,
  .process-list li,
  .package-card,
  .solution-card {
    min-height: auto;
  }

  .service-media,
  .service-card-large .service-media {
    height: auto;
    min-height: 0;
  }

  .project-image,
  .project-card-featured .project-image {
    height: auto;
    min-height: 0;
  }

  .case-details div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .package-cta {
    display: grid;
  }

  .contact-form {
    padding: 20px;
  }

  .site-footer {
    padding: 28px 18px 92px;
  }

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

  .mobile-quick-actions {
    position: fixed;
    left: 8px;
    right: 8px;
    bottom: 8px;
    z-index: 60;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 7px;
    background: rgba(7, 7, 7, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    backdrop-filter: blur(14px);
  }

  .mobile-quick-actions a {
    min-height: 42px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    background: var(--gold);
    color: #111;
    font-size: 11px;
    font-weight: 800;
    line-height: var(--cta-leading);
    text-align: center;
  }

  body {
    padding-bottom: 76px;
  }
}

@media (max-width: 420px) {
  :root {
    --display-heading-size: 38px;
    --section-heading-size: 29px;
  }

  html[lang="vi"] {
    --display-heading-size: 33px;
    --section-heading-size: 27px;
    --display-leading: 1.3;
    --section-leading: 1.36;
  }

  h1 {
    font-size: var(--display-heading-size);
  }

  html[lang="vi"] h1 {
    font-size: var(--display-heading-size);
  }

  h2 {
    font-size: var(--section-heading-size);
  }

  html[lang="vi"] h2 {
    font-size: var(--section-heading-size);
  }

  .brand small {
    display: none;
  }

  .brand strong {
    font-size: 14px;
  }

  .hero-actions {
    gap: 9px;
  }

  html[lang="vi"] .btn {
    min-height: 50px;
    padding-inline: 14px;
  }
}

@media (max-width: 360px) {
  :root {
    --display-heading-size: 34px;
  }

  html[lang="vi"] {
    --display-heading-size: 31px;
    --section-heading-size: 26px;
  }

  h1 {
    font-size: var(--display-heading-size);
  }

  html[lang="vi"] h1 {
    font-size: var(--display-heading-size);
  }

  .mobile-quick-actions a {
    padding: 0 2px;
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}