:root {
  --ink: #102631;
  --graphite: #1d252a;
  --muted: #62737b;
  --line: #d9e5e9;
  --panel: #f4f8f9;
  --paper: #ffffff;
  --petrol: #12647f;
  --cyan: #3ea6bd;
  --warm: #c7a76a;
  --shadow: 0 24px 70px rgba(16, 38, 49, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 88px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(217, 229, 233, 0.86);
  backdrop-filter: blur(16px);
}

.brand {
  flex: 0 0 auto;
  text-decoration: none;
}

.brand img {
  width: clamp(190px, 24vw, 320px);
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-nav a {
  padding: 10px 12px;
  color: var(--graphite);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--petrol);
}

.site-nav .nav-cta {
  margin-left: 6px;
  color: var(--paper);
  background: var(--petrol);
  border-radius: 6px;
}

.language-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.site-nav .language-switch a {
  min-width: 36px;
  padding: 8px 9px;
  color: var(--muted);
  border-radius: 6px;
  text-align: center;
}

.site-nav .language-switch a:hover,
.site-nav .language-switch a[aria-current="true"] {
  color: var(--paper);
  background: var(--graphite);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: clamp(620px, 82vh, 820px);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: clamp(84px, 9vw, 130px) clamp(20px, 5vw, 72px);
  color: var(--paper);
}

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

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

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(8, 17, 23, 0.92) 0%, rgba(8, 17, 23, 0.72) 34%, rgba(8, 17, 23, 0.14) 74%),
    linear-gradient(0deg, rgba(8, 17, 23, 0.46), rgba(8, 17, 23, 0.1));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.79rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  max-width: 920px;
  font-size: clamp(2.8rem, 7vw, 5.9rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.page-hero h1 {
  font-size: clamp(2.35rem, 6vw, 4.75rem);
  line-height: 0.98;
}

.hero p:not(.eyebrow),
.page-hero p:not(.eyebrow) {
  max-width: 660px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.02rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

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

.button.primary:hover {
  background: #0f5268;
}

.button.secondary {
  color: var(--paper);
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.08);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.16);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.proof-strip div {
  padding: 30px clamp(20px, 4vw, 56px);
  border-right: 1px solid var(--line);
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip strong {
  display: block;
  color: var(--petrol);
  font-size: clamp(1.3rem, 2.2vw, 2.1rem);
  line-height: 1.05;
}

.proof-strip span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.section {
  padding: clamp(70px, 9vw, 128px) clamp(20px, 5vw, 72px);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(36px, 7vw, 110px);
  align-items: start;
}

.section h2,
.cta-band h2 {
  margin: 0;
  max-width: 780px;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3.65rem);
  line-height: 1.03;
  letter-spacing: 0;
}

.rich-text {
  color: var(--graphite);
  font-size: clamp(1rem, 1.5vw, 1.17rem);
}

.rich-text p {
  margin: 0 0 22px;
}

.services-section,
.gallery-section {
  background: var(--panel);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: clamp(32px, 5vw, 58px);
}

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

.service-card {
  min-height: 250px;
  padding: 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(16, 38, 49, 0.06);
}

.service-card span {
  color: var(--warm);
  font-size: 0.82rem;
  font-weight: 900;
}

.service-card h3 {
  margin: 46px 0 14px;
  color: var(--petrol);
  font-size: 1.35rem;
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

.process-section {
  background: var(--paper);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.process-list li {
  min-height: 210px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-list strong {
  display: block;
  color: var(--petrol);
  font-size: 1.2rem;
}

.process-list span {
  display: block;
  margin-top: 72px;
  color: var(--muted);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: clamp(52px, 7vw, 82px) clamp(20px, 5vw, 72px);
  background: var(--graphite);
  color: var(--paper);
}

.cta-band h2 {
  color: var(--paper);
}

.page-hero {
  padding: clamp(84px, 10vw, 150px) clamp(20px, 5vw, 72px) clamp(60px, 8vw, 100px);
  color: var(--paper);
  background:
    linear-gradient(90deg, rgba(16, 38, 49, 0.96), rgba(16, 38, 49, 0.82)),
    url("assets/images/hero-exhibition-stand.png") center / cover;
}

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

.gallery-item,
.gallery-placeholder {
  position: relative;
  min-height: 300px;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--graphite);
}

.gallery-item.featured {
  grid-column: span 2;
  min-height: 430px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item figcaption,
.gallery-placeholder figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 1;
  color: var(--paper);
}

.gallery-item figcaption strong,
.gallery-item figcaption span {
  display: block;
}

.gallery-item figcaption span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.74);
}

.gallery-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(18, 100, 127, 0.96), rgba(29, 37, 42, 0.96)),
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(255, 255, 255, 0.08) 14px 15px);
}

.gallery-placeholder span {
  color: rgba(255, 255, 255, 0.16);
  font-size: clamp(4rem, 9vw, 8rem);
  font-weight: 900;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 72px);
  background: var(--panel);
}

.contact-panel,
.contact-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-panel {
  padding: clamp(28px, 4vw, 48px);
}

.contact-email {
  display: block;
  margin: 16px 0 26px;
  color: var(--petrol);
  font-size: clamp(1.55rem, 3vw, 2.55rem);
  font-weight: 800;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.contact-panel p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(28px, 4vw, 48px);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--graphite);
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(62, 166, 189, 0.22);
  border-color: var(--cyan);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.site-footer img {
  width: min(240px, 46vw);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--petrol);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

  .site-nav .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .language-switch {
    justify-content: center;
    margin-left: 0;
    padding: 8px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .proof-strip,
  .split-section,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .proof-strip div:last-child {
    border-bottom: 0;
  }

  .service-grid,
  .process-list,
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-list span {
    margin-top: 38px;
  }

  .cta-band,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 74px;
    padding: 14px 18px;
  }

  .brand img {
    width: min(62vw, 230px);
  }

  .hero {
    min-height: 650px;
    padding: 82px 20px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(8, 17, 23, 0.94), rgba(8, 17, 23, 0.54)),
      linear-gradient(0deg, rgba(8, 17, 23, 0.74), rgba(8, 17, 23, 0.1));
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.45rem, 14vw, 3.65rem);
  }

  .page-hero h1 {
    font-size: clamp(2.25rem, 10.5vw, 2.85rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .section-heading {
    display: block;
  }

  .service-grid,
  .process-list,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item.featured {
    grid-column: span 1;
    min-height: 340px;
  }

  .gallery-placeholder {
    min-height: 240px;
  }
}