:root {
  --ink: #101827;
  --muted: #5e6b7d;
  --line: #dce4ed;
  --paper: #f7f9fb;
  --white: #ffffff;
  --blue: #0b3d68;
  --blue-dark: #061626;
  --teal: #168b8d;
  --orange: #f26b21;
  --red: #d7292f;
  --shadow: 0 18px 45px rgba(13, 28, 46, 0.16);
  --shadow-strong: 0 26px 80px rgba(5, 18, 34, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 72px);
  color: var(--white);
  transition: background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px rgba(4, 18, 33, 0.1);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 54px;
  height: 38px;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.94rem;
  font-weight: 650;
}

.site-nav a {
  opacity: 0.88;
}

.site-nav a:hover,
.site-nav a.is-active {
  opacity: 1;
  color: var(--orange);
}

.nav-cta {
  padding: 10px 16px;
  color: var(--white) !important;
  background: linear-gradient(135deg, var(--orange), #e73d2f);
  border-radius: 6px;
  box-shadow: 0 10px 24px rgba(242, 107, 33, 0.28);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 6px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: end;
  padding: 130px clamp(20px, 6vw, 84px) 72px;
  color: var(--white);
  overflow: hidden;
}

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

.hero-bg {
  background: url("assets/site-suwei-tech.jpg") center / cover no-repeat;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    radial-gradient(circle at 22% 26%, rgba(242, 107, 33, 0.22), rgba(242, 107, 33, 0) 30%),
    linear-gradient(90deg, rgba(2, 10, 18, 0.9) 0%, rgba(2, 10, 18, 0.67) 46%, rgba(2, 10, 18, 0.14) 100%),
    linear-gradient(0deg, rgba(2, 10, 18, 0.72) 0%, rgba(2, 10, 18, 0) 45%);
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.production-content h2,
.roadmap h2,
.contact h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.04;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(2.6rem, 7vw, 5.9rem);
}

.hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.04rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-insights {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
  width: min(680px, 100%);
  margin-top: 34px;
}

.hero-insights div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.hero-insights span,
.ops-board span {
  display: block;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-insights strong,
.ops-board strong {
  display: block;
  margin-top: 5px;
  font-size: 0.98rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--orange), #e7372e);
  box-shadow: 0 15px 34px rgba(242, 107, 33, 0.28);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
}

.button.full {
  width: 100%;
}

.button:disabled {
  cursor: wait;
  opacity: 0.78;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  width: min(1180px, calc(100% - 40px));
  margin: -36px auto 0;
  position: relative;
  z-index: 2;
  overflow: hidden;
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  width: min(1180px, calc(100% - 40px));
  margin: 24px auto 0;
}

.trust-strip span {
  padding: 10px 14px;
  color: var(--blue);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(13, 28, 46, 0.06);
}

.stat {
  min-height: 120px;
  padding: 25px;
  background: var(--white);
}

.stat strong {
  display: block;
  color: var(--blue);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 650;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 104px 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
}

.section-copy h2,
.section-heading h2,
.production-content h2,
.roadmap h2,
.contact h2,
.platform-copy h2 {
  font-size: clamp(2rem, 4vw, 3.45rem);
}

.section-copy p,
.platform-copy p,
.contact-copy p {
  color: var(--muted);
  font-size: 1.08rem;
}

.location-panel,
.market-grid article,
.capability,
.client-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.location-panel {
  overflow: hidden;
  box-shadow: var(--shadow);
}

.location-panel img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.location-panel div {
  padding: 24px;
}

.location-panel h3,
.market-grid h3,
.capability h3,
.timeline h3,
.client-grid h3,
.production-list strong {
  margin: 0;
  font-size: 1.12rem;
}

.location-panel p,
.market-grid p,
.capability p,
.timeline p,
.client-grid p,
.production-list span {
  margin: 10px 0 0;
  color: var(--muted);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

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

.market-grid article,
.client-grid article,
.capability {
  padding: 24px;
}

.market-grid article,
.client-grid article {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.market-grid article:hover,
.client-grid article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.market-grid span,
.capability span,
.timeline span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
  color: var(--white);
  background: var(--blue);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 900;
}

.capability-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}

.capability {
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.capability.active,
.capability:hover {
  transform: translateY(-4px);
  border-color: rgba(242, 107, 33, 0.45);
  box-shadow: var(--shadow);
}

.capability.active span {
  background: var(--orange);
}

.production-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: 80px clamp(20px, 6vw, 84px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(6, 22, 38, 0.98), rgba(11, 61, 104, 0.94)),
    var(--blue-dark);
}

.production-image img {
  width: 100%;
  max-height: 620px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow-strong);
}

.production-content {
  max-width: 680px;
}

.production-content .eyebrow,
.roadmap .eyebrow,
.contact .eyebrow {
  color: #ff9a58;
}

.production-list {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.production-list div {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.production-list span {
  display: block;
  color: rgba(255, 255, 255, 0.74);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.timeline article {
  min-height: 220px;
  padding: 22px;
  border-left: 3px solid var(--teal);
  background: var(--white);
}

.timeline span {
  background: var(--teal);
}

.platform {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
}

.platform-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.ops-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.ops-board div {
  padding: 18px;
  background: var(--blue-dark);
}

.ops-board span {
  color: rgba(255, 255, 255, 0.62);
}

.ops-board strong {
  color: var(--white);
}

.mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.mini-tags span {
  padding: 9px 12px;
  color: var(--blue);
  background: #e8f3f3;
  border: 1px solid #cfe5e5;
  border-radius: 6px;
  font-weight: 750;
}

.client-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 36px;
}

.client-grid article {
  min-height: 210px;
}

.roadmap {
  padding: 88px clamp(20px, 6vw, 84px);
  color: var(--white);
  background: var(--blue);
}

.roadmap-inner {
  display: grid;
  grid-template-columns: minmax(260px, 430px) minmax(0, 1fr);
  gap: clamp(30px, 7vw, 96px);
  width: min(1180px, 100%);
  margin: 0 auto;
}

.roadmap ol {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: roadmap;
}

.roadmap li {
  counter-increment: roadmap;
  position: relative;
  padding: 18px 18px 18px 58px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.roadmap li::before {
  content: counter(roadmap);
  position: absolute;
  top: 18px;
  left: 18px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--orange);
  border-radius: 50%;
  font-weight: 900;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: clamp(32px, 6vw, 84px);
  align-items: start;
  padding: 104px clamp(20px, 6vw, 84px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(6, 22, 38, 0.98), rgba(9, 43, 73, 0.98)),
    var(--blue-dark);
}

.contact-copy p,
.contact address {
  color: rgba(255, 255, 255, 0.76);
}

.contact address {
  margin-top: 24px;
  font-style: normal;
}

.contact address a {
  color: var(--white);
  font-weight: 750;
}

.contact-points {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.contact-points div {
  padding: 15px 16px;
  color: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow-strong);
}

.form-honey {
  position: absolute;
  left: -9999px;
  visibility: hidden;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 760;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 12px 13px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  background: #fbfdff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(242, 107, 33, 0.12);
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: var(--white);
}

.footer a {
  color: var(--blue);
  font-weight: 800;
}

@media (max-width: 980px) {
  .site-nav {
    position: absolute;
    top: 72px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

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

  .menu-toggle {
    display: block;
  }

  .stats-strip,
  .market-grid,
  .capability-layout,
  .timeline,
  .client-grid,
  .ops-board {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .production-band,
  .platform,
  .roadmap-inner,
  .contact {
    grid-template-columns: 1fr;
  }

  .production-image,
  .platform-image {
    max-width: 560px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 66px;
    padding-inline: 16px;
  }

  .brand img {
    width: 46px;
    height: 34px;
  }

  .hero {
    min-height: 90vh;
    padding: 112px 20px 54px;
  }

  .hero h1 {
    font-size: 2.55rem;
  }

  .hero-actions,
  .hero-insights,
  .footer {
    flex-direction: column;
  }

  .hero-insights {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .stats-strip,
  .market-grid,
  .capability-layout,
  .timeline,
  .client-grid,
  .ops-board {
    grid-template-columns: 1fr;
  }

  .section,
  .production-band,
  .roadmap,
  .contact {
    padding-block: 70px;
  }

  .stats-strip {
    width: calc(100% - 24px);
  }
}