:root {
  --ink: #102f40;
  --muted: #4f6572;
  --line: #d4e6ee;
  --soft: #f5fbfd;
  --ice: #dff5ff;
  --blue: #0a6f9e;
  --deep: #07384e;
  --green: #2f766f;
  --white: #ffffff;
  --shadow: 0 14px 32px rgba(7, 56, 78, 0.1);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fbfdfe;
  font-family: "Aptos", "Segoe UI", "Noto Sans", "Noto Sans SC", "Noto Sans Vietnamese", sans-serif;
  line-height: 1.58;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(10, 111, 158, 0.018) 1px, transparent 1px),
    linear-gradient(180deg, rgba(10, 111, 158, 0.016) 1px, transparent 1px);
  background-size: 48px 48px;
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 230, 236, 0.9);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  text-decoration: none;
  display: grid;
  gap: 1px;
}

.brand strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  letter-spacing: 0;
  color: var(--deep);
}

.brand span {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  font-weight: 700;
  line-height: 1.25;
  max-width: 260px;
  white-space: normal;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 15.5px;
  font-weight: 600;
  color: #314858;
}

.nav-links a {
  text-decoration: none;
  white-space: nowrap;
  padding: 6px 0;
}

.nav-links a:hover {
  color: var(--blue);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  color: var(--deep);
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px auto;
  background: currentColor;
  border-radius: 2px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 13px 21px;
  border: 1px solid #075a80;
  border-radius: var(--radius);
  background: #075a80;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  line-height: 1.2;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  background: var(--deep);
}

.button.secondary {
  background: var(--white);
  color: var(--deep);
}

.button.secondary:hover {
  background: var(--soft);
}

.hero {
  position: relative;
  min-height: 640px;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero.small {
  min-height: 430px;
}

.hero picture,
.hero .hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

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

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(4, 55, 82, 0.7) 0%, rgba(8, 83, 112, 0.42) 48%, rgba(224, 246, 255, 0.2) 100%),
    radial-gradient(circle at 74% 14%, rgba(222, 248, 255, 0.42), transparent 34%),
    linear-gradient(0deg, rgba(4, 55, 82, 0.24), rgba(4, 55, 82, 0.04));
}

.hero-inner,
.section-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero-inner {
  padding: 96px 0 70px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-weight: 800;
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 13px;
}

.hero .eyebrow {
  color: #bceeff;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 830px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 700;
  text-wrap: balance;
}

h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 48px);
  color: var(--deep);
  text-wrap: balance;
}

h3 {
  font-size: 19px;
  color: var(--deep);
}

:lang(zh-Hans) h1,
:lang(zh-Hans) h2,
:lang(zh-Hans) .brand strong,
:lang(vi) h1,
:lang(vi) h2 {
  font-family: "Aptos Display", "Segoe UI", "Noto Sans", "Noto Sans SC", "Noto Sans Vietnamese", sans-serif;
  font-weight: 800;
}

.hero-copy {
  max-width: 700px;
  margin: 20px 0 0;
  font-size: 19px;
  color: rgba(255, 255, 255, 0.9);
}

.company-line {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  max-width: min(100%, 640px);
  margin-top: 16px;
  padding: 8px 12px;
  border: 1px solid rgba(223, 245, 255, 0.62);
  border-radius: var(--radius);
  background: rgba(248, 253, 255, 0.14);
  color: #eefbff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.company-name {
  white-space: nowrap;
}

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

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(880px, 100%);
  margin-top: 56px;
  border: 1px solid rgba(223, 245, 255, 0.72);
  background: rgba(248, 253, 255, 0.9);
  color: var(--deep);
  box-shadow: 0 18px 42px rgba(4, 36, 54, 0.18);
}

.hero-facts div {
  padding: 18px;
}

.hero-facts strong {
  display: block;
  font-size: 20px;
}

.hero-facts span {
  color: #55707d;
  font-size: 13px;
}

.section {
  padding: 84px 0;
}

.section.tight {
  padding: 58px 0;
}

.section.band {
  background: linear-gradient(180deg, rgba(240, 249, 252, 0.92), rgba(247, 252, 254, 0.92));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 34px;
}

.section-head p {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 24px;
  box-shadow: 0 6px 14px rgba(20, 83, 112, 0.045);
}

.media-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.media-card img,
.media-card video {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.media-card .caption {
  padding: 18px;
}

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

.split {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 42px;
  align-items: center;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.spec-table th,
.spec-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 32%;
  color: var(--deep);
  background: #eef6fa;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.notice {
  border: 1px solid #b9dfeb;
  border-radius: var(--radius);
  background: #eef9fc;
  padding: 18px 20px;
  color: #29485b;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.pill-list li {
  border: 1px solid #b9d7e4;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.74);
  color: #254b5f;
  font-size: 14px;
  font-weight: 700;
}

.steps {
  counter-reset: step;
}

.step {
  position: relative;
  padding-left: 58px;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--deep);
  color: var(--white);
  font-weight: 800;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 20px 22px;
}

.faq-item h3 {
  margin-bottom: 8px;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
}

.rfq {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 34px;
  align-items: start;
}

.form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 24px;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

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

label {
  font-size: 13px;
  font-weight: 800;
  color: #244457;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c7d9e2;
  border-radius: var(--radius);
  min-height: 44px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  background: #fbfdfe;
}

textarea {
  min-height: 126px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(11, 95, 138, 0.22);
  border-color: var(--blue);
}

.form-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  padding: 44px 0;
  background: #073247;
  color: rgba(255, 255, 255, 0.78);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7fbfd;
}

.language-switcher a {
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  color: #456170;
}

.language-switcher a.active,
.language-switcher a:hover {
  background: var(--deep);
  color: var(--white);
}

.footer-grid {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 28px;
}

.footer-grid h2,
.footer-grid h3 {
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
}

.footer-grid a {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  margin: 6px 0;
}

.footer-grid a:hover {
  color: var(--white);
}

.page-kicker {
  margin-top: 20px;
  max-width: 760px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
}

.check-list {
  padding-left: 20px;
  color: var(--muted);
}

.check-list li {
  margin: 8px 0;
}

.asset-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 14px;
}

.asset-strip img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.asset-strip img:nth-child(1) {
  object-position: center 55%;
}

.asset-strip img:nth-child(2) {
  object-position: center 35%;
}

@media (max-width: 1100px) {
  .nav {
    min-height: 72px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    padding: 16px;
    border-bottom: 1px solid var(--line);
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    font-size: 16px;
  }

  .language-switcher {
    justify-content: center;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links .button {
    width: 100%;
  }

  .hero,
  .hero.small {
    min-height: 560px;
  }

  .hero-inner {
    padding: 78px 0 46px;
  }

  .hero-facts,
  .grid.two,
  .grid.three,
  .grid.four,
  .split,
  .rfq,
  .footer-grid,
  .asset-strip {
    grid-template-columns: 1fr;
  }

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 14px;
  }

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

  .section {
    padding: 62px 0;
  }
}

@media (max-width: 560px) {
  .company-line {
    padding: 8px 10px;
    font-size: 13px;
    line-height: 1.35;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }

  .media-card img,
  .media-card video,
  .asset-strip img {
    height: 240px;
  }
}