:root {
  --navy: #111416;
  --blue: #b95926;
  --cyan: #e97732;
  --sand: #ddd6ca;
  --cream: #f4f1ea;
  --ink: #171a1c;
  --muted: #697076;
  --line: #d8d2c8;
  --white: #fff;
  --max: 1240px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--cream);
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  width: 100%;
}
.site-header {
  height: 80px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(17, 20, 22, 0.82);
  color: #fff;
  backdrop-filter: blur(18px) saturate(125%);
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: #fff;
  font: 800 15px/1 Arial;
  letter-spacing: 1px;
  clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
}
.brand strong,
.brand small {
  display: block;
}
.brand strong {
  font-size: 16px;
  letter-spacing: 0.08em;
}
.brand small {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.58);
  margin-top: 2px;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
}
.site-header nav a:hover {
  color: var(--cyan);
}
.lang-btn,
.menu-btn {
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: #fff;
  padding: 8px 12px;
  cursor: pointer;
}
.menu-btn {
  display: none;
  font-size: 20px;
  border: 0;
}
.hero {
  min-height: calc(100vh - 80px);
  position: relative;
  display: flex;
  align-items: center;
  color: #fff;
  margin-top: 80px;
  overflow: hidden;
}
.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}
.hero-media img {
  height: 100%;
  object-fit: cover;
  object-position: center 48%;
}
.hero-overlay {
  background: linear-gradient(
    90deg,
    rgba(8, 10, 11, 0.96) 0%,
    rgba(8, 10, 11, 0.72) 50%,
    rgba(8, 10, 11, 0.16) 84%
  );
}
.hero-copy {
  width: min(var(--max), calc(100% - 48px));
  margin: auto;
  position: relative;
  z-index: 2;
  padding: 86px 0;
}
.eyebrow,
.section-kicker {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 800;
}
.hero h1 {
  font-size: clamp(46px, 6.4vw, 84px);
  line-height: 1.04;
  margin: 24px 0;
  max-width: 980px;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-weight: 500;
  letter-spacing: -0.035em;
}
.hero-lead {
  font-size: 18px;
  line-height: 1.8;
  max-width: 660px;
  color: rgba(255, 255, 255, 0.82);
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin: 36px 0 52px;
}
.btn {
  min-height: 48px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 750;
  border: 0;
  cursor: pointer;
  border-radius: 999px;
}
.btn.primary {
  background: var(--cyan);
  color: #17110d;
}
.btn.primary:hover {
  background: #70d4de;
}
.btn.ghost {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #fff;
}
.hero-proof {
  display: flex;
  gap: 50px;
}
.hero-proof span {
  display: flex;
  flex-direction: column;
  padding: 16px 18px;
  min-width: 150px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(8px);
}
.hero-proof b {
  font-size: 18px;
}
.hero-proof em {
  font-style: normal;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 8px;
}
.section {
  max-width: var(--max);
  margin: auto;
  padding: 110px 24px;
}
.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9%;
  align-items: start;
}
.intro h2,
.section h2 {
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.12;
  margin: 16px 0;
  letter-spacing: -0.025em;
}
.large-copy {
  font-size: 19px;
  line-height: 1.9;
  color: #45545f;
  margin-top: 34px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 50px;
  align-items: end;
  margin-bottom: 45px;
}
.section-head > p {
  max-width: 350px;
  color: var(--muted);
  line-height: 1.7;
}
.products {
  border-top: 1px solid var(--line);
}
.product-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 18px;
}
.product-card {
  background: #fff;
  min-height: 580px;
  display: flex;
  flex-direction: column;
}
.product-card img {
  height: 280px;
  object-fit: cover;
}
.product-card > div:last-child {
  padding: 30px;
  flex: 1;
}
.product-card span {
  color: var(--cyan);
  font-weight: 800;
}
.product-card h3 {
  font-size: 26px;
  margin: 16px 0;
}
.product-card p {
  color: var(--muted);
  line-height: 1.7;
}
.product-card ul {
  padding: 0;
  list-style: none;
  margin: 28px 0 0;
}
.product-card li {
  padding: 9px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
}
.product-card.dark {
  background: var(--navy);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.product-card.dark p {
  color: rgba(255, 255, 255, 0.65);
}
.product-card.dark li {
  border-color: rgba(255, 255, 255, 0.17);
}
.tech-pattern {
  height: 280px;
  background: linear-gradient(
      135deg,
      transparent 48%,
      rgba(66, 184, 198, 0.6) 49%,
      rgba(66, 184, 198, 0.6) 51%,
      transparent 52%
    ),
    linear-gradient(
      45deg,
      transparent 48%,
      rgba(255, 255, 255, 0.12) 49%,
      rgba(255, 255, 255, 0.12) 51%,
      transparent 52%
    );
  background-size: 56px 56px;
}
.solutions {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 8%;
  background: var(--sand);
  max-width: none;
  padding-left: max(24px, calc((100vw - var(--max)) / 2));
  padding-right: max(24px, calc((100vw - var(--max)) / 2));
}
.solution-copy > p {
  line-height: 1.8;
  color: #4b5961;
}
.text-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--blue);
  font-weight: 800;
}
.solution-list article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  border-top: 1px solid rgba(16, 44, 70, 0.22);
  padding: 26px 0;
}
.solution-list article b {
  color: var(--blue);
}
.solution-list h3 {
  margin: 0 0 9px;
  font-size: 21px;
}
.solution-list p {
  margin: 0;
  color: #5c676f;
}
.project-strip {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  height: 480px;
}
.project-strip img {
  height: 100%;
  object-fit: cover;
}
.process ol {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.process li {
  padding: 32px 26px;
  border-right: 1px solid var(--line);
}
.process li:last-child {
  border-right: 0;
}
.process li b {
  color: var(--cyan);
}
.process li h3 {
  font-size: 20px;
  margin: 40px 0 12px;
}
.process li p {
  color: var(--muted);
  line-height: 1.6;
}
.about {
  max-width: none;
  background: var(--navy);
  color: #fff;
  display: grid;
  grid-template-columns: minmax(0, 800px) minmax(280px, 380px);
  justify-content: center;
  gap: 80px;
}
.about-panel > p {
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.9;
  font-size: 17px;
}
.values {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}
.values span {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 11px 14px;
  font-size: 12px;
}
.about aside {
  border-left: 2px solid var(--cyan);
  padding: 10px 0 10px 28px;
  align-self: end;
}
.about aside h3 {
  font-size: 18px;
}
.about aside p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.62);
}
.contact {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 9%;
}
.contact > div > p {
  color: var(--muted);
  line-height: 1.8;
}
.contact-points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
  font-size: 13px;
}
.contact form {
  background: #fff;
  padding: 34px;
}
.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
label {
  display: block;
  margin-bottom: 18px;
}
label span {
  font-size: 12px;
  font-weight: 800;
  display: block;
  margin-bottom: 8px;
}
input,
select,
textarea {
  width: 100%;
  padding: 13px 12px;
  border: 1px solid var(--line);
  background: #fafafa;
  font: inherit;
}
textarea {
  resize: vertical;
}
form small {
  display: block;
  color: var(--muted);
  margin-top: 12px;
  line-height: 1.5;
}
footer {
  background: #071c2d;
  color: #fff;
  padding: 42px max(24px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
footer p {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
}
footer > div:last-child {
  display: flex;
  gap: 22px;
  font-size: 12px;
}
@media (max-width: 900px) {
  .site-header {
    height: 68px;
  }
  .brand small {
    display: none;
  }
  .menu-btn {
    display: block;
  }
  .site-header nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--cream);
    padding: 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    border-bottom: 1px solid var(--line);
  }
  .site-header nav.open {
    display: flex;
  }
  .hero {
    margin-top: 68px;
    min-height: 720px;
  }
  .hero-overlay {
    background: linear-gradient(
      0deg,
      rgba(7, 27, 44, 0.96),
      rgba(7, 27, 44, 0.35)
    );
  }
  .hero-proof {
    gap: 24px;
    flex-wrap: wrap;
  }
  .intro,
  .solutions,
  .about,
  .contact {
    grid-template-columns: 1fr;
  }
  .product-grid {
    grid-template-columns: 1fr 1fr;
  }
  .product-card.dark {
    grid-column: 1/-1;
    min-height: 440px;
  }
  .project-strip {
    height: auto;
    grid-template-columns: 1fr;
  }
  .project-strip img {
    height: 330px;
  }
  .process ol {
    grid-template-columns: 1fr 1fr;
  }
  .process li:nth-child(2) {
    border-right: 0;
  }
  .about {
    gap: 40px;
  }
  .section {
    padding-top: 80px;
    padding-bottom: 80px;
  }
}
@media (max-width: 600px) {
  .hero h1 {
    font-size: 43px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-proof {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .section {
    padding-left: 18px;
    padding-right: 18px;
  }
  .intro {
    gap: 15px;
  }
  .section-head {
    display: block;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product-card.dark {
    grid-column: auto;
  }
  .solutions {
    padding-left: 18px;
    padding-right: 18px;
  }
  .process ol {
    grid-template-columns: 1fr;
  }
  .process li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .two {
    grid-template-columns: 1fr;
  }
  .contact form {
    padding: 22px;
  }
  .about {
    padding-left: 18px;
    padding-right: 18px;
  }
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}