:root {
  color-scheme: light;
  --ink: #13191d;
  --muted: #60707a;
  --line: #dbe3e7;
  --soft: #f5f8f9;
  --panel: #ffffff;
  --blue: #0a5267;
  --teal: #0f7d72;
  --amber: #b7771a;
  --dark: #11171a;
  --shadow: 0 22px 70px rgba(18, 32, 39, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7f9f9;
  letter-spacing: 0;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 4vw, 64px);
  background: rgba(247, 249, 249, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 38px;
  height: 38px;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

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

.nav-cta {
  padding: 9px 13px;
  border-radius: 6px;
  color: white;
  background: var(--teal);
}

.nav-cta:hover {
  color: white;
  background: #0b665e;
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--dark);
}

.hero picture,
.hero picture::after {
  position: absolute;
  inset: 0;
}

.hero picture::after {
  content: "";
  background:
    linear-gradient(90deg, rgba(7, 17, 21, 0.93) 0%, rgba(7, 17, 21, 0.78) 44%, rgba(7, 17, 21, 0.24) 100%),
    linear-gradient(0deg, rgba(7, 17, 21, 0.76) 0%, rgba(7, 17, 21, 0) 48%);
}

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

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(820px, calc(100% - 36px));
  margin: 0 clamp(20px, 5vw, 84px) 74px;
  color: white;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero .eyebrow {
  color: #9be4d9;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 24px;
  font-size: clamp(48px, 6.3vw, 88px);
  line-height: 0.98;
  font-weight: 820;
}

h2 {
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.04;
  margin-bottom: 18px;
}

h3 {
  font-size: 21px;
  line-height: 1.2;
  margin-bottom: 10px;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.hero-copy p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 18px;
}

.hero-compliance-note {
  margin: 14px 0 0;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.72) !important;
  font-size: 13px !important;
}

.cn-line {
  color: rgba(255, 255, 255, 0.92) !important;
  font-weight: 650;
}

.cn-block,
.cn-card {
  color: #41525f;
  font-weight: 650;
}

.cn-card {
  margin-bottom: 10px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 760;
  cursor: pointer;
}

.button.primary {
  color: white;
  background: #0f7d72;
}

.button.secondary {
  color: white;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.12);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 42px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.company-line {
  display: inline-block;
  margin: 30px 0 0;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.78) !important;
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px !important;
}

.hero-metrics span {
  min-width: 150px;
}

.hero-metrics strong,
.hero-metrics small {
  display: block;
}

.hero-metrics strong {
  color: white;
  font-size: 22px;
}

.hero-metrics small {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 1220px;
  margin: -42px auto 0;
  padding: 0 22px;
  position: relative;
  z-index: 3;
}

.trust-strip div {
  min-height: 132px;
  padding: 30px;
  background: var(--panel);
  border: 1px solid rgba(219, 227, 231, 0.94);
  box-shadow: var(--shadow);
}

.trust-strip div:first-child {
  border-radius: 6px 0 0 6px;
}

.trust-strip div:last-child {
  border-radius: 0 6px 6px 0;
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.trust-strip em {
  display: block;
  margin-top: 6px;
  color: #41525f;
  font-style: normal;
  line-height: 1.45;
}

.section,
.market-section,
.rfq-section,
.company-section,
.brand-visual-section,
.credibility-section,
.fiber-equipment-section {
  max-width: 1220px;
  margin: 0 auto;
  padding: 108px 22px 0;
}

.fiber-equipment-section {
  padding-top: 98px;
}

.equipment-banner {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  box-shadow: 0 12px 34px rgba(19, 32, 40, 0.07);
}

.equipment-banner img {
  aspect-ratio: 1.86 / 1;
  object-fit: cover;
}

.equipment-banner div {
  padding: 28px;
}

.equipment-banner p {
  max-width: 860px;
  margin-bottom: 0;
}

.company-section {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 48px;
  align-items: start;
}

.company-intro {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  box-shadow: var(--shadow);
}

.company-panel {
  padding: 34px;
  border-radius: 6px;
  color: white;
  background: #11171a;
  box-shadow: var(--shadow);
}

.company-panel h3 {
  color: white;
  margin-bottom: 22px;
}

.company-note-grid {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.company-note-grid span {
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #3d4f59;
  background: #f7fafb;
  line-height: 1.45;
}

.business-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.business-list li {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.business-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.business-list strong,
.business-list span {
  display: block;
}

.business-list strong {
  color: white;
  line-height: 1.35;
}

.business-list span {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.45;
}

.brand-visual-section {
  padding-top: 34px;
}

.brand-visual-section img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  box-shadow: var(--shadow);
}

.brand-visual-section div {
  display: grid;
  grid-template-columns: 0.52fr 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 22px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}

.brand-visual-section h2,
.brand-visual-section p {
  margin-bottom: 0;
}

.credibility-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
}

.credibility-section article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}

.credibility-section span {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--amber);
  font-weight: 900;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 42px;
}

.category-legend {
  display: grid;
  gap: 8px;
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #42515a;
  background: #f7fafb;
  font-size: 13px;
  line-height: 1.45;
}

.category-legend strong {
  color: var(--ink);
  font-weight: 850;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.category-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  box-shadow: 0 12px 34px rgba(19, 32, 40, 0.07);
}

.category-card img {
  aspect-ratio: 1.55 / 1;
  object-fit: cover;
}

.category-card img.image-contain {
  object-fit: contain;
  background: #f4f7f9;
}

.category-card > div {
  padding: 26px;
}

.feature-card {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}

.feature-card img {
  height: 100%;
  aspect-ratio: auto;
}

.text-card {
  background: #eaf3f3;
}

.tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 5px 8px;
  border-radius: 4px;
  color: #0d4f65;
  background: #d7eeee;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

dl {
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
}

dt {
  font-weight: 800;
}

dd {
  margin: 4px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.microcopy {
  margin: 18px 0 0;
  color: #53656f;
  font-size: 13px;
  line-height: 1.5;
}

.market-section {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: center;
}

.market-section img {
  aspect-ratio: 0.92 / 1;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 24px;
}

.mini-grid span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  font-weight: 720;
}

.compliance-section {
  max-width: 1220px;
  margin: 0 auto;
  padding: 98px 22px 0;
}

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

.compliance-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  box-shadow: 0 12px 34px rgba(19, 32, 40, 0.06);
}

.compliance-grid p {
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.55;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.steps article {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}

.steps span {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--amber);
  font-weight: 900;
}

.rfq-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  padding-bottom: 110px;
}

.rfq-note {
  margin-top: 24px;
  padding: 18px;
  border-left: 4px solid var(--amber);
  border-radius: 0 6px 6px 0;
  background: #fff7e8;
  line-height: 1.55;
}

.placeholder-warning {
  max-width: 620px;
  padding: 12px 14px;
  border: 1px solid #f0d6a2;
  border-radius: 6px;
  color: #6b4a11;
  background: #fff8e8;
  font-size: 13px;
}

.contact-cards {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.contact-card {
  display: grid;
  gap: 5px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.contact-card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 125, 114, 0.42);
  box-shadow: 0 12px 30px rgba(18, 32, 39, 0.1);
}

.contact-card span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.contact-card strong {
  color: var(--ink);
  font-size: 18px;
}

.contact-card em {
  color: var(--muted);
  font-style: normal;
  line-height: 1.45;
}

.qr-placeholder {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(15, 125, 114, 0.22);
  border-radius: 6px;
  background: #f1f8f7;
}

.qr-placeholder strong {
  display: block;
  margin-bottom: 4px;
}

.qr-placeholder p {
  margin: 0 0 4px;
  line-height: 1.45;
}

.qr-image {
  width: 112px;
  height: 112px;
  object-fit: contain;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  box-shadow: 0 8px 22px rgba(18, 32, 39, 0.08);
}

.rfq-form {
  display: grid;
  gap: 14px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  box-shadow: var(--shadow);
}

.form-fine-print {
  margin: 2px 0 0;
  color: #60717b;
  font-size: 12px;
  line-height: 1.55;
}

label {
  display: grid;
  gap: 8px;
  color: #2e3a43;
  font-size: 14px;
  font-weight: 740;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cbd6dc;
  border-radius: 6px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfcfd;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 3px solid rgba(18, 129, 116, 0.18);
  border-color: var(--teal);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 4vw, 64px);
  color: rgba(255, 255, 255, 0.8);
  background: var(--dark);
}

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

.site-footer span {
  margin-top: 4px;
}

.site-footer a {
  color: white;
  font-weight: 760;
}

.policy-page {
  max-width: 920px;
  margin: 0 auto;
  padding: 96px 22px 120px;
}

.policy-page section {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  box-shadow: var(--shadow);
}

.policy-page h1 {
  color: var(--ink);
  font-size: clamp(36px, 5vw, 64px);
}

.policy-page .button {
  margin-top: 12px;
  color: var(--ink);
  border-color: var(--line);
  background: #f7fafb;
}

@media (max-width: 920px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: 720px;
  }

  .trust-strip,
  .category-grid,
  .steps,
  .market-section,
  .rfq-section,
  .company-section,
  .brand-visual-section div,
  .compliance-grid,
  .credibility-section,
  .fiber-equipment-section {
    grid-template-columns: 1fr;
  }

  .feature-card {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .trust-strip div,
  .trust-strip div:first-child,
  .trust-strip div:last-child {
    border-radius: 8px;
  }
}

@media (max-width: 560px) {
  nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  h1 {
    font-size: 38px;
  }

  .hero-copy {
    margin-bottom: 42px;
  }

  .section,
  .market-section,
  .compliance-section,
  .brand-visual-section,
  .rfq-section {
    padding-top: 64px;
  }

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

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