:root {
  --ink: #13324a;
  --muted: #63798a;
  --line: #c9e8fb;
  --paper: #eef9ff;
  --white: #ffffff;
  --brand: #FE8020;
  --brand-dark: #029FF9;
  --accent: #FE8020;
  --steel: #0278bd;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--white);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(16, 32, 47, .08);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--white);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #029FF9, var(--steel));
  font-size: 17px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #324757;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a[aria-current="page"] { color: var(--brand-dark); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang {
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--brand);
  color: var(--white);
  font-weight: 760;
  line-height: 1;
  cursor: pointer;
}

.button.secondary {
  background: var(--white);
  color: var(--steel);
  border-color: rgba(2, 159, 249, .3);
}

.hero {
  min-height: calc(100vh - 70px);
  display: grid;
  align-items: center;
  background: var(--paper);
}

.hero-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 52px 22px 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1, h2, h3, h4, h5 { margin: 0; line-height: 1.08; letter-spacing: 0; }

h1 {
  max-width: 780px;
  font-size: 55px;
}

h2 { font-size: 42px; }

h3 { font-size: 32px; }

h4 { font-size: 25px; }

h5 { font-size: 18px; }

.lead {
  max-width: 660px;
  margin: 20px 0 0;
  color: #415464;
  font-size: 18px;
}

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

.hero-media {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 26px 70px rgba(16, 32, 47, .17);
  background: #dce8ee;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 1.2 / .82;
  object-fit: cover;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.proof-strip div {
  min-height: 82px;
  padding: 16px;
  background: var(--white);
}

.proof-strip strong {
  display: block;
  font-size: 24px;
  line-height: 1;
}

.proof-strip span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 78px 22px;
}

.section.compact {
  padding-top: 62px;
  padding-bottom: 62px;
}

.section.alt {
  max-width: none;
  background: var(--paper);
}

.section.alt > .section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.section-head p {
  max-width: 560px;
  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 {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 24px;
}

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

.persona-card {
  min-height: 190px;
}

.product-card {
  display: grid;
  grid-template-rows: 124px auto;
  gap: 18px;
  padding: 18px;
}

.cable-art {
  position: relative;
  overflow: hidden;
  min-height: 124px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #f2fbff, #d8f0ff);
}

.cable-art::before,
.cable-art::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: var(--brand);
}

.cable-art::before {
  width: 190px;
  height: 190px;
  left: 24px;
  top: 34px;
  border: 18px solid #8bd8ff;
  background: transparent;
}

.cable-art::after {
  width: 140px;
  height: 16px;
  right: -12px;
  top: 52px;
  box-shadow: 0 28px 0 #029FF9, 0 56px 0 var(--accent);
}

.product-card.slim .cable-art::after { height: 9px; }
.product-card.flat .cable-art::after { height: 22px; border-radius: 4px; }
.product-card.bulk .cable-art::before { border-color: var(--steel); }

.specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.specs span {
  padding: 5px 9px;
  border-radius: 999px;
  background: #e4f3fb;
  color: var(--steel);
  font-size: 12px;
  font-weight: 750;
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 36px;
  align-items: start;
}

.media-section {
  padding-top: 86px;
}

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

.image-tile img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.image-tile div {
  padding: 22px;
}

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

.spec-table {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.spec-table div {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

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

.spec-table strong {
  color: var(--brand-dark);
}

.spec-table span {
  color: var(--muted);
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

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

.certificate-card img {
  width: 100%;
  height: 360px;
  object-fit: contain;
  padding: 16px;
  background: #eef3f6;
}

.certificate-card h3 {
  padding: 18px;
}

.step-card strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
}

.quote-card {
  background: var(--steel);
  color: var(--white);
}

.quote-card p {
  color: #d8e4eb;
  font-size: 24px;
  line-height: 1.35;
}

.quote-card strong {
  display: block;
  margin-top: 18px;
  color: var(--accent);
}

.list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.list li {
  padding-left: 24px;
  position: relative;
}

.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}

.form {
  display: grid;
  gap: 13px;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  font-size: 13px;
  font-weight: 740;
}

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  padding: 12px 13px;
}

textarea { min-height: 120px; resize: vertical; }

.form-note {
  min-height: 24px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
}

.thank-section {
  min-height: calc(100vh - 70px);
  display: grid;
  place-items: center;
}

.thank-panel {
  width: min(100%, 920px);
  text-align: center;
}

.thank-icon {
  display: inline-grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-size: 38px;
  font-weight: 800;
}

.thank-panel .lead {
  margin-left: auto;
  margin-right: auto;
}

.thank-steps {
  margin-top: 34px;
  text-align: left;
}

.thank-steps h3 {
  font-size: 18px;
  line-height: 1.35;
}

.thank-panel .hero-actions {
  justify-content: center;
}

.article {
  max-width: 820px;
  margin: 0 auto;
}

.article h1 { font-size: 55px; }
.article h2 { margin-top: 38px; font-size: 42px; }

.footer {
  border-top: 1px solid var(--line);
  background: var(--steel);
  color: var(--white);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 28px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 42px 22px;
}

.footer p, .footer a { color: #b6c7d4; }
.footer h3 { font-size: 15px; margin-bottom: 10px; }

@media (max-width: 920px) {
  .nav { align-items: flex-start; }
  .nav-links { display: none; }
  .hero { min-height: auto; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .hero-media img { aspect-ratio: 16 / 10; }
  .grid.three, .grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .certificate-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .nav { padding: 12px 16px; }
  .brand span:last-child { display: none; }
  .button { width: 100%; }
  .nav-actions .button { display: none; }
  .section, .hero-inner { padding-left: 16px; padding-right: 16px; }
  .section { padding-top: 56px; padding-bottom: 56px; }
  .section-head { display: grid; }
  .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
  .spec-table div { grid-template-columns: 1fr; }
  .certificate-grid { grid-template-columns: 1fr; }
  .certificate-card img { height: 300px; }
  .proof-strip { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}