:root {
  --ink: #1d2730;
  --muted: #60707d;
  --navy: #082033;
  --navy-soft: #12304a;
  --hero-blue: #0c5f99;
  --hero-blue-soft: #b9ddf1;
  --hero-blue-pale: #e5f3fb;
  --gold: #c6973b;
  --gold-dark: #9f7429;
  --earth: #9a5b32;
  --steel: #6f7d86;
  --sky: #d8edf8;
  --sky-soft: #eff8fc;
  --mist: #dcecf3;
  --paper: #f8fcfe;
  --line: #b8cfda;
  --blue: #1f6fb2;
  --shadow: 0 20px 50px rgba(9, 26, 39, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, var(--hero-blue-soft) 0%, var(--hero-blue-pale) 42%, #d2eaf5 74%, #0b2d45 100%);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1540px, calc(100% - 64px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  background: rgba(6, 31, 50, 0.84);
  border-bottom: 1px solid rgba(103, 157, 190, 0.22);
  backdrop-filter: blur(18px);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(6, 31, 50, 0.94);
  box-shadow: 0 10px 30px rgba(8, 32, 51, 0.2);
}

.header-inner {
  width: min(1540px, calc(100% - 64px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

.brand,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  flex: 0 1 auto;
  min-width: 360px;
}

.brand span {
  min-width: 0;
}

.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  background: transparent;
  border-radius: 50%;
}

.brand strong {
  display: block;
  color: #fff;
  font-size: clamp(1.9rem, 2.15vw, 2.28rem);
  line-height: 1.02;
  white-space: nowrap;
}

.brand small {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(0.84rem, 0.92vw, 0.98rem);
  line-height: 1.1;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-highlights {
  display: none;
}

.site-nav {
  margin-left: auto;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(24px, 2.1vw, 34px);
  flex-wrap: nowrap;
  color: rgba(255, 255, 255, 0.94);
  font-size: clamp(1.18rem, 1.28vw, 1.38rem);
  font-weight: 700;
  white-space: nowrap;
}

.site-nav a {
  transition: color 160ms ease;
}

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

.nav-cta {
  margin-left: 0;
  padding: 9px 13px;
  color: #fff;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 8px;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  color: #fff;
  background: var(--gold);
}

.menu-toggle {
  display: none;
  width: 50px;
  height: 50px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(239, 248, 252, 0.94);
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--navy);
  border-radius: 2px;
}

.hero {
  position: relative;
  min-height: 92vh;
  padding: 132px 0 72px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}

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

.hero-media {
  object-fit: cover;
  object-position: center top;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(6, 20, 33, 0.84) 0%, rgba(8, 54, 91, 0.66) 48%, rgba(31, 111, 178, 0.22) 100%),
    linear-gradient(180deg, rgba(6, 31, 50, 0.28) 0%, rgba(8, 32, 51, 0.54) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1060px;
  margin-left: max(32px, calc((100% - 1540px) / 2));
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  margin-bottom: 8px;
  font-size: clamp(3.8rem, 5vw, 5.4rem);
  font-weight: 900;
  line-height: 1;
  text-transform: none;
}

.hero h1,
.section h2 {
  margin: 0;
  color: inherit;
  line-height: 1.04;
}

.hero h1 {
  max-width: 940px;
  font-size: clamp(4.1rem, 5vw, 5.15rem);
  font-weight: 800;
}

.hero-copy {
  max-width: 760px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.12rem;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-color: var(--gold-dark);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
}

.button-light {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.44);
}

.button-light:hover,
.button-light:focus-visible {
  background: rgba(255, 255, 255, 0.24);
}

.button-whatsapp {
  color: #fff;
  background: linear-gradient(135deg, #23c15f, #128c4a);
  border-color: rgba(35, 193, 95, 0.86);
}

.button-whatsapp:hover,
.button-whatsapp:focus-visible {
  background: #20b85a;
  border-color: #20b85a;
}

.button-outline {
  color: var(--navy);
  background: rgba(248, 252, 254, 0.96);
  border-color: var(--line);
}

.button-outline:hover,
.button-outline:focus-visible {
  border-color: var(--gold);
  color: var(--gold-dark);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 42px;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 800;
}

.hero-proof span {
  padding: 0 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.32);
}

.hero-proof span:first-child {
  padding-left: 0;
  border-left: 0;
}

.signal-strip {
  background: linear-gradient(135deg, #071f31, #0b4369);
  color: #fff;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.signal-grid span {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(8, 32, 51, 0.86);
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  font-weight: 800;
}

.capacity-strip {
  padding: 28px 0;
  background: linear-gradient(135deg, #071f31, #0b4369);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.metric-card {
  min-height: 138px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.metric-card span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.25;
}

.metric-card strong {
  margin-top: 18px;
  color: #fff;
  font-size: 1.42rem;
  line-height: 1.08;
}

.section {
  padding: 104px 0;
  background: linear-gradient(135deg, #eef8fd, #d8edf8);
}

.subpage {
  background: linear-gradient(180deg, #d8edf8 0%, #eef8fd 45%, #d2eaf5 100%);
}

.subpage .site-header {
  position: sticky;
}

.page-hero {
  padding: 78px 0 64px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(6, 20, 33, 0.9), rgba(8, 54, 91, 0.78)),
    linear-gradient(135deg, #071f31, #0b4369 58%, #0c5f99);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.78fr);
  gap: 72px;
  align-items: center;
}

.page-hero h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(3rem, 4vw, 4.7rem);
  line-height: 1.02;
}

.page-hero p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
}

.page-hero img {
  width: 100%;
  aspect-ratio: 1.55 / 1;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section h2 {
  max-width: 920px;
  color: var(--ink);
  font-size: 3.05rem;
  font-weight: 800;
}

.section p {
  color: var(--muted);
}

.positioning-section {
  background: linear-gradient(135deg, #eef8fd, #d8edf8);
}

.proof-panel,
.cta-panel,
.contact-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(248, 252, 254, 0.92);
  box-shadow: var(--shadow);
}

.proof-panel h3,
.cta-panel h3,
.contact-card h3 {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 1.48rem;
  line-height: 1.15;
}

.cta-panel,
.contact-card {
  color: var(--ink);
}

.cta-panel p,
.contact-card p {
  color: var(--muted);
}

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

.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.cta-row,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(520px, 1fr);
  gap: 72px;
  align-items: start;
}

.data-table {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(248, 252, 254, 0.94);
  box-shadow: var(--shadow);
}

.data-table div {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) 1fr;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.data-table div:last-child {
  border-bottom: 0;
}

.data-table span {
  color: var(--muted);
  font-weight: 800;
}

.data-table strong {
  color: var(--ink);
  font-size: 1.08rem;
}

.split-layout,
.process-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(560px, 1.08fr);
  gap: 96px;
  align-items: center;
}

.section-copy p:not(.eyebrow),
.contact-copy p:not(.eyebrow) {
  max-width: 820px;
  margin: 20px 0 0;
  font-size: 1.08rem;
}

.about-visual {
  position: relative;
}

.about-visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--sky-soft);
}

.visual-note {
  position: static;
  width: 100%;
  margin-top: 16px;
  padding: 20px 24px;
  color: #fff;
  background: rgba(8, 32, 51, 0.9);
  border-left: 4px solid var(--gold);
  border-radius: 6px;
}

.visual-note strong,
.visual-note span {
  display: block;
}

.visual-note span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.service-section,
.project-section {
  background: linear-gradient(135deg, #dceef7, #c8e3f0);
}

.section-heading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 48px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.service-card,
.process-step,
.project-card,
.article-card,
.video-card,
.inquiry-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(248, 252, 254, 0.92);
  backdrop-filter: blur(8px);
}

.service-card {
  min-height: 236px;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.service-mark,
.process-step span {
  color: var(--gold-dark);
  font-size: 0.78rem;
  font-weight: 900;
}

.service-card h3,
.process-step h3,
.project-card h3,
.article-card h3,
.video-card h3 {
  margin: 14px 0 0;
  color: var(--ink);
  line-height: 1.2;
  font-size: 1.18rem;
}

.service-card p,
.process-step p,
.project-card p,
.article-card p {
  margin: 12px 0 0;
}

.process-layout {
  grid-template-columns: 1fr;
  align-items: start;
  gap: 44px;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 28px;
}

.process-step {
  min-height: 190px;
  padding: 26px;
}

.featured-projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.project-gallery-cards {
  margin-top: 48px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.case-card,
.facility-card,
.case-detail {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(248, 252, 254, 0.94);
  box-shadow: 0 16px 34px rgba(8, 32, 51, 0.08);
}

.case-card img,
.facility-card img {
  width: 100%;
  aspect-ratio: 1.48 / 1;
  object-fit: cover;
}

.case-card > div,
.facility-card > div {
  padding: 26px;
}

.spec-list,
.project-specs {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.spec-list div,
.project-specs div {
  display: grid;
  grid-template-columns: minmax(130px, 0.55fr) 1fr;
  gap: 14px;
  padding-top: 10px;
  border-top: 1px solid rgba(184, 207, 218, 0.8);
}

.spec-list dt,
.project-specs dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.spec-list dd,
.project-specs dd {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
}

.case-stack {
  display: grid;
  gap: 46px;
}

.case-detail {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1fr);
  gap: 34px;
  padding: 28px;
}

.case-detail h2 {
  margin: 6px 0 0;
  font-size: 2.2rem;
}

.case-media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.case-media-grid img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
}

.case-media-grid img:first-child {
  grid-column: span 2;
  height: 250px;
}

.facility-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.quality-step,
.work-step {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(248, 252, 254, 0.94);
}

.quality-step span,
.work-step span {
  color: var(--gold-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.quality-step h3,
.work-step h3 {
  margin: 16px 0 0;
  color: var(--ink);
  font-size: 1.25rem;
  line-height: 1.2;
}

.work-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.export-section {
  color: #fff;
  background: linear-gradient(135deg, #071f31, #0b4369 58%, #0c5f99);
}

.export-section h2 {
  color: #fff;
}

.market-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.market-grid span {
  min-height: 76px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 900;
}

.project-card {
  overflow: hidden;
}

.project-card img {
  width: 100%;
  aspect-ratio: 1.5 / 1;
  object-fit: cover;
}

.project-card div {
  padding: 28px;
}

.project-label {
  margin: 0;
  color: var(--gold-dark);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-auto-rows: 330px;
  gap: 42px;
  margin-top: 48px;
}

.gallery-item {
  min-width: 0;
  padding: 0;
  border: 0;
  border-radius: 8px;
  overflow: hidden;
  background: #b9cad3;
  cursor: pointer;
}

.gallery-item:first-child {
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 260ms ease, filter 260ms ease;
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
  transform: scale(1.035);
  filter: contrast(1.05);
}

.video-section {
  background: linear-gradient(135deg, #eef8fd, #d2eaf5);
}

.article-section {
  background: linear-gradient(135deg, #dbeff8, #c2e0ee);
}

.section-intro {
  max-width: 940px;
  margin: 16px 0 0;
  font-size: 1.08rem;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.article-card {
  min-height: 230px;
  padding: 24px;
}

.article-card h3 a {
  color: var(--navy);
}

.article-card h3 a:hover,
.article-card h3 a:focus-visible {
  color: var(--gold-dark);
}

.industry-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 22px;
  color: var(--muted);
  font-weight: 800;
}

.industry-links a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 7px 11px;
  border: 1px solid rgba(8, 32, 51, 0.14);
  border-radius: 6px;
  color: var(--navy);
  background: rgba(248, 252, 254, 0.68);
}

.article-page {
  background: linear-gradient(180deg, var(--hero-blue-soft), var(--hero-blue-pale));
}

.article-page .site-header {
  position: sticky;
}

.article-hero {
  padding: 70px 0 38px;
  background: linear-gradient(135deg, #071f31, #0b4369 58%, #0c5f99);
  color: #fff;
}

.article-hero h1 {
  max-width: 920px;
  margin: 0;
  font-size: 3.4rem;
  line-height: 1.05;
}

.article-hero p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
}

.article-body {
  padding: 58px 0 72px;
}

.article-content {
  max-width: 880px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(248, 252, 254, 0.94);
  box-shadow: var(--shadow);
}

.article-content h2 {
  margin: 34px 0 10px;
  color: var(--ink);
  font-size: 1.8rem;
  line-height: 1.16;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content p,
.article-content li {
  color: var(--muted);
}

.article-content a {
  color: var(--hero-blue);
  font-weight: 800;
}

.article-content ul {
  padding-left: 22px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.article-meta span {
  padding: 7px 10px;
  border-radius: 6px;
  color: #fff;
  background: rgba(198, 151, 59, 0.88);
  font-weight: 800;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px;
}

.video-card {
  padding: 18px;
  box-shadow: 0 16px 32px rgba(8, 32, 51, 0.08);
}

.video-card video {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 8px;
  background: #111;
}

.video-card h3 {
  margin: 18px 8px 6px;
  font-size: 1.12rem;
}

.contact-section {
  color: #fff;
  background: linear-gradient(135deg, #071f31, #0b4369 58%, #0c5f99);
}

.contact-section h2,
.contact-section p {
  color: inherit;
}

.contact-section .cta-panel h3,
.contact-section .contact-card h3 {
  color: var(--ink);
}

.contact-section .cta-panel p,
.contact-section .contact-card p {
  color: var(--muted);
}

.contact-section .contact-layout {
  align-items: start;
}

.contact-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
}

.contact-methods {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.contact-methods a {
  width: fit-content;
  color: #fff;
  border-bottom: 1px solid rgba(198, 151, 59, 0.85);
  font-weight: 800;
}

.contact-link-button {
  width: fit-content;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  border-bottom: 1px solid rgba(198, 151, 59, 0.85);
  cursor: pointer;
  font-weight: 900;
  text-align: left;
}

.contact-card {
  color: var(--ink);
}

.contact-card a {
  display: block;
  margin-top: 12px;
  color: var(--navy);
  font-weight: 900;
}

.contact-card .contact-link-button {
  display: block;
  margin-top: 12px;
  color: var(--navy);
}

.inquiry-form {
  padding: 26px;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: #314350;
  font-size: 0.9rem;
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  outline: none;
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(198, 151, 59, 0.16);
}

.requirement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.upload-note {
  margin: 4px 0 18px;
  padding: 14px 16px;
  border-left: 4px solid var(--gold);
  border-radius: 6px;
  color: var(--muted);
  background: rgba(216, 237, 248, 0.72);
  font-weight: 800;
}

.form-actions {
  margin-top: 8px;
}

.form-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(5, 14, 22, 0.88);
}

.modal-open {
  overflow: hidden;
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 70;
  min-height: 56px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #23c15f, #128c4a);
  box-shadow: 0 18px 40px rgba(8, 32, 51, 0.28);
  cursor: pointer;
  font-weight: 900;
}

.whatsapp-float::before {
  content: "";
  width: 13px;
  height: 13px;
  margin-right: 9px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.18);
}

.whatsapp-modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(5, 14, 22, 0.76);
  backdrop-filter: blur(8px);
}

.whatsapp-modal.is-open {
  display: flex;
}

.whatsapp-dialog {
  position: relative;
  width: min(560px, 100%);
  padding: 26px;
  border: 1px solid rgba(184, 207, 218, 0.96);
  border-radius: 10px;
  background: linear-gradient(180deg, #f8fcfe, #e7f4fa);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
}

.whatsapp-close-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(8, 32, 51, 0.14);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.84);
  cursor: pointer;
}

.whatsapp-close-icon::before,
.whatsapp-close-icon::after {
  content: "";
  position: absolute;
  top: 17px;
  left: 10px;
  width: 14px;
  height: 2px;
  background: var(--navy);
}

.whatsapp-close-icon::before {
  transform: rotate(45deg);
}

.whatsapp-close-icon::after {
  transform: rotate(-45deg);
}

.whatsapp-dialog-header {
  display: flex;
  gap: 14px;
  align-items: center;
  padding-right: 34px;
}

.whatsapp-dialog-header img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.whatsapp-dialog-header h2 {
  margin: 0;
  color: var(--navy);
  font-size: 2rem;
  line-height: 1.05;
}

.whatsapp-dialog-header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-weight: 800;
}

.whatsapp-modal-body {
  display: grid;
  grid-template-columns: 166px 1fr;
  gap: 20px;
  align-items: center;
  margin-top: 24px;
}

.whatsapp-qr {
  width: 166px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  border: 8px solid #fff;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(8, 32, 51, 0.16);
}

.whatsapp-highlights {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.whatsapp-highlights li {
  position: relative;
  padding-left: 22px;
  color: var(--ink);
  font-weight: 900;
  line-height: 1.25;
}

.whatsapp-highlights li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #128c4a;
}

.whatsapp-message {
  margin: 18px 0 0;
  color: var(--muted);
  font-weight: 800;
}

.whatsapp-modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

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

.lightbox img {
  max-width: min(1120px, 100%);
  max-height: 86vh;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
}

.lightbox-close {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
  cursor: pointer;
}

.lightbox-close::before,
.lightbox-close::after {
  content: "";
  position: absolute;
  top: 21px;
  left: 11px;
  width: 20px;
  height: 2px;
  background: #fff;
}

.lightbox-close::before {
  transform: rotate(45deg);
}

.lightbox-close::after {
  transform: rotate(-45deg);
}

.site-footer {
  padding: 46px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #071621;
}

.footer-columns {
  display: grid;
  grid-template-columns: minmax(240px, 1.05fr) minmax(300px, 1.2fr) minmax(240px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  text-align: center;
}

.footer-brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  background: transparent;
  border-radius: 50%;
}

.footer-brand span {
  color: #fff;
  font-weight: 900;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.footer-column h2 {
  margin: 0 0 4px;
  color: var(--gold);
  font-size: 1.04rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-column p,
.footer-column address,
.footer-column a,
.footer-text,
.footer-phone {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.98rem;
  line-height: 1.55;
}

.footer-column address {
  font-style: normal;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: #fff;
}

.footer-company p {
  font-weight: 800;
}

.footer-phone {
  font-weight: 800;
}

.footer-phone span,
.footer-phone strong {
  display: block;
}

.footer-phone span {
  color: #fff;
}

.footer-phone strong {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 900;
}

.site-footer p {
  margin: 0;
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (max-width: 1240px) {
  .header-inner {
    width: min(100% - 64px, 1540px);
    min-height: 70px;
    gap: 22px;
  }

  .brand {
    min-width: 330px;
    gap: 10px;
  }

  .brand img {
    width: 52px;
    height: 52px;
  }

  .brand strong {
    font-size: 1.8rem;
  }

  .brand small {
    font-size: 0.82rem;
  }

  .site-nav {
    gap: 14px;
    font-size: 0.94rem;
  }

  .nav-cta {
    margin-left: 0;
    padding: 8px 12px;
  }
}

@media (max-width: 1080px) {
  .brand {
    min-width: 300px;
  }

  .brand strong {
    font-size: 1.58rem;
  }

  .brand small {
    font-size: 0.74rem;
  }

  .site-nav {
    gap: 10px;
    font-size: 0.82rem;
  }
}

@media (max-width: 900px) {
  .header-inner {
    width: min(100% - 28px, 1540px);
  }

  .header-inner {
    min-height: 72px;
  }

  .brand {
    min-width: 0;
    flex: 1 1 auto;
  }

  .brand small {
    display: none;
  }

  .header-highlights {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 14px;
    left: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: rgba(239, 248, 252, 0.98);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    color: var(--navy);
    font-size: 1.05rem;
    white-space: normal;
  }

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

  .site-nav a {
    padding: 13px 12px;
  }

  .nav-cta {
    margin-top: 6px;
    margin-left: 0;
    text-align: center;
  }

  .hero {
    min-height: 82vh;
    padding: 172px 0 52px;
  }

  .hero-content {
    margin: 0 auto;
  }

  .hero h1 {
    font-size: 3.2rem;
  }

  .hero .eyebrow {
    font-size: 3.2rem;
  }

  .section h2 {
    font-size: 2.58rem;
  }

  .article-hero h1 {
    font-size: 2.65rem;
  }

  .signal-grid,
  .metric-grid,
  .service-grid,
  .featured-projects,
  .case-grid,
  .facility-grid,
  .quality-grid,
  .work-timeline,
  .article-grid,
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-hero-grid,
  .overview-grid,
  .case-detail,
  .split-layout,
  .process-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 220px;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 26px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 24px, 1120px);
  }

  .header-highlights {
    display: none;
  }

  .brand img {
    width: 58px;
    height: 58px;
  }

  .brand strong {
    font-size: 1.1rem;
  }

  .hero {
    min-height: 84vh;
    padding-top: 158px;
  }

  .hero-media {
    object-position: 58% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(6, 20, 33, 0.9), rgba(8, 54, 91, 0.66)),
      linear-gradient(180deg, rgba(31, 111, 178, 0.22), rgba(8, 32, 51, 0.5));
  }

  .hero h1 {
    max-width: 330px;
    font-size: 1.86rem;
    overflow-wrap: anywhere;
  }

  .hero .eyebrow {
    font-size: 2.25rem;
  }

  .hero-copy {
    max-width: 330px;
    font-size: 1rem;
    overflow-wrap: anywhere;
  }

  .hero-proof {
    display: grid;
    gap: 10px;
  }

  .hero-proof span {
    padding: 0 0 0 12px;
    border-left: 3px solid rgba(198, 151, 59, 0.86);
  }

  .hero-proof span:first-child {
    padding-left: 12px;
    border-left: 3px solid rgba(198, 151, 59, 0.86);
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 68px 0;
  }

  .section h2 {
    font-size: 2rem;
  }

  .article-hero {
    padding: 42px 0 28px;
  }

  .article-hero h1 {
    font-size: 2.05rem;
  }

  .article-content {
    padding: 22px;
  }

  .signal-grid,
  .metric-grid,
  .service-grid,
  .process-list,
  .featured-projects,
  .case-grid,
  .facility-grid,
  .quality-grid,
  .work-timeline,
  .market-grid,
  .article-grid,
  .video-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .requirement-grid,
  .data-table div,
  .spec-list div,
  .project-specs div {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: 46px 0 48px;
  }

  .page-hero h1 {
    font-size: 2.28rem;
  }

  .metric-card {
    min-height: 112px;
  }

  .signal-grid span {
    min-height: 64px;
  }

  .visual-note {
    position: static;
    width: 100%;
    margin-top: 10px;
  }

  .gallery-grid {
    grid-auto-rows: 260px;
  }

  .gallery-item:first-child {
    grid-row: span 1;
  }

  .inquiry-form {
    padding: 20px;
  }

  .whatsapp-float {
    right: 14px;
    bottom: 14px;
    min-height: 50px;
    padding: 0 14px;
    font-size: 0.92rem;
  }

  .whatsapp-modal {
    padding: 14px;
  }

  .whatsapp-dialog {
    max-height: calc(100vh - 28px);
    overflow: auto;
    padding: 20px;
  }

  .whatsapp-dialog-header h2 {
    font-size: 1.55rem;
  }

  .whatsapp-dialog-header p {
    font-size: 0.92rem;
  }

  .whatsapp-modal-body {
    grid-template-columns: 1fr;
  }

  .whatsapp-qr {
    width: min(220px, 100%);
    margin: 0 auto;
  }

  .whatsapp-modal-actions {
    display: grid;
  }

  .whatsapp-modal-actions .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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