:root {
  --bg-start: #f5efe6;
  --bg-end: #eef4f1;
  --ink: #1f2b3a;
  --muted: #58667a;
  --line: #d8e0ea;
  --accent: #0f766e;
  --accent-hover: #0b5f58;
  --card: #ffffff;
  --card-alt: #f6f8fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(140deg, var(--bg-start), var(--bg-end));
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

.index-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(4px);
}

.index-header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 18px 12px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 20px;
  align-items: center;
}

.brand img {
  width: 100%;
  max-width: 320px;
  height: auto;
  display: block;
}

.brand-subtitle {
  grid-column: 1 / 2;
  color: #45556a;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.main-nav {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.main-nav a {
  text-decoration: none;
  color: #0f172a;
  font-weight: 600;
  font-size: 15px;
  padding: 8px 10px;
  border-radius: 8px;
}

.main-nav a:hover {
  background: rgba(15, 118, 110, 0.12);
  color: #0b423d;
}

.index-page {
  max-width: 1180px;
  margin: 18px auto 30px;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.06);
}

.card-accent {
  background: rgba(255, 165, 0, 0.24);
  border-color: rgba(255, 165, 0, 0.5);
  text-align: center;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 22px;
  align-items: start;
  background: linear-gradient(rgba(15, 118, 110, 0.16), rgba(0, 0, 0, 0.18)), url("/images/landing/waveform-bkg.jpg");
  background-size: cover;
  color: #fff;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.15;
}

.hero p {
  margin: 0 0 14px;
  font-size: 18px;
  line-height: 1.45;
}

.hero-side {
  background: rgba(255, 255, 255, 0.93);
  color: var(--ink);
  border-radius: 12px;
  border: 1px solid var(--line);
  padding: 16px;
}

.hero-side h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.hero-side p {
  font-size: 15px;
  color: var(--muted);
}

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

.btn-primary {
  appearance: none;
  border: 1px solid var(--accent);
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  padding: 10px 14px;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-link {
  color: #0f766e;
  font-weight: 700;
  text-decoration: none;
}

.btn-link:hover { text-decoration: underline; }

.section-title h2 {
  margin: 0;
  font-size: 34px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.two-col h3 {
  margin: 6px 0 12px;
  color: #0f766e;
  font-size: 28px;
}

.two-col p {
  margin: 0 0 10px;
  color: #344155;
  line-height: 1.58;
}

.image-box img,
.two-col img {
  width: 100%;
  max-width: 420px;
  border-radius: 12px;
  border: 1px solid var(--line);
  display: block;
}

.dark-call {
  background: linear-gradient(rgba(6, 23, 19, 0.78), rgba(26, 77, 68, 0.45)), url("/images/landing/keyboard-bkg.jpg");
  background-size: cover;
  color: #fff;
  text-align: center;
}

.dark-call img {
  max-width: 340px;
  width: 100%;
  height: auto;
}

.dark-subtitle {
  margin: 8px 0 12px;
  text-transform: uppercase;
}

.split-list {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 22px;
}

.split-list h3 {
  margin: 0 0 12px;
  color: #0f766e;
  font-size: 28px;
}

.split-list ul {
  margin: 0;
  padding-left: 18px;
}

.split-list li {
  margin: 0 0 8px;
  line-height: 1.5;
}

.video-wrap {
  text-align: center;
}

.video-wrap iframe {
  width: 100%;
  max-width: 854px;
  min-height: 320px;
  border: 0;
  border-radius: 10px;
}

.customer-link {
  text-align: center;
  background: linear-gradient(rgba(6, 23, 19, 0.74), rgba(26, 27, 68, 0.45)), url("/images/landing/customers_blur.jpg");
  background-size: cover;
}

.customer-link a {
  color: #fff;
  text-decoration: none;
  font-size: 22px;
  font-weight: 600;
}

.customer-link a:hover { text-decoration: underline; }

.index-footer {
  background: #162334;
  color: #c6d1df;
  border-top: 1px solid #2d3a4e;
}

.index-footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 16px;
  display: grid;
  grid-template-columns: 260px 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.footer-col img {
  width: 220px;
  max-width: 100%;
  height: auto;
}

.footer-col.center {
  text-align: center;
}

.footer-col.right {
  text-align: right;
}

.index-footer .main-nav {
  gap: 12px;
  justify-content: flex-end;
}

.index-footer .main-nav a {
  color: #dce8f7;
  padding: 0;
  border-radius: 0;
  font-size: 15px;
}

.index-footer .main-nav a:hover {
  background: transparent;
  color: #ffffff;
  text-decoration: underline;
}

.footer-col p {
  margin: 0 0 8px;
}

.footer-col a {
  color: #dce8f7;
}

.footer-col .small {
  font-size: 12px;
}

@media (max-width: 980px) {
  .index-header-inner { grid-template-columns: 1fr; }
  .main-nav { justify-content: flex-start; }
  .hero { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .split-list { grid-template-columns: 1fr; }
  .index-footer-inner { grid-template-columns: 1fr; }
  .footer-col.center, .footer-col.right { text-align: left; }
}