:root {
  --bg: #eef3f6;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: #ffffff;
  --line: rgba(17, 24, 39, 0.08);
  --text: #102033;
  --muted: #5a6a78;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --accent-soft: #d8f3ef;
  --ink-soft: #d9e4ea;
  --shadow: 0 22px 70px rgba(16, 32, 51, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --container: min(1120px, calc(100% - 40px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.16), transparent 28%),
    linear-gradient(180deg, #f8fbfc 0%, var(--bg) 100%);
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(248, 251, 252, 0.74);
  border-bottom: 1px solid rgba(16, 32, 51, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent) 0%, #12354a 100%);
  color: #fff;
  box-shadow: 0 12px 24px rgba(15, 118, 110, 0.28);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
}

.site-nav a:hover,
.footer-links a:hover {
  color: var(--accent);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.header-cta,
.button-primary {
  background: var(--text);
  color: #fff;
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.56);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  background: transparent;
  border: 0;
}

.nav-toggle span {
  width: 28px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

.hero {
  padding: 64px 0 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  max-width: 11ch;
}

.hero-text,
.section-heading p,
.catalog-card p,
.solution-list p,
.brand-row p,
.workflow-card p,
.contact-copy p,
.site-footer p,
.form-note {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 56ch;
  margin: 22px 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-stats {
  list-style: none;
  padding: 0;
  margin: 36px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hero-stats li,
.signal-card,
.device-card,
.catalog-card,
.workflow-card,
.contact-form,
.brand-table,
.solution-list article {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.hero-stats li {
  border-radius: var(--radius-lg);
  padding: 18px;
}

.hero-stats strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.hero-panel {
  display: grid;
  gap: 18px;
}

.signal-card,
.device-card {
  border-radius: var(--radius-xl);
  padding: 24px;
}

.signal-card p,
.device-note p {
  margin: 0 0 10px;
  color: var(--muted);
}

.signal-card strong,
.device-note strong {
  font-size: 1.2rem;
  line-height: 1.4;
}

.signal-bars {
  display: flex;
  align-items: end;
  gap: 10px;
  height: 110px;
  margin: 18px 0 22px;
}

.signal-bars span {
  flex: 1;
  border-radius: 999px 999px 10px 10px;
  background: linear-gradient(180deg, #34d399 0%, #0f766e 100%);
}

.signal-bars span:nth-child(1) {
  height: 36%;
}

.signal-bars span:nth-child(2) {
  height: 58%;
}

.signal-bars span:nth-child(3) {
  height: 78%;
}

.signal-bars span:nth-child(4) {
  height: 100%;
}

.device-card {
  min-height: 340px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.22), transparent 30%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(218, 233, 239, 0.82));
}

.device {
  position: absolute;
  border-radius: 24px;
  background: linear-gradient(180deg, #173246 0%, #0f1b29 100%);
  box-shadow: 0 18px 40px rgba(16, 32, 51, 0.28);
}

.device span {
  position: absolute;
  border-radius: 999px;
  background: rgba(214, 246, 241, 0.9);
}

.device-router {
  width: 74%;
  height: 94px;
  top: 44px;
  right: 18px;
  transform: rotate(-8deg);
}

.device-router span {
  top: 28px;
  width: 11%;
  height: 10px;
}

.device-router span:nth-child(1) {
  left: 16%;
}

.device-router span:nth-child(2) {
  left: 33%;
}

.device-router span:nth-child(3) {
  left: 50%;
}

.device-switch {
  width: 82%;
  height: 118px;
  left: 26px;
  bottom: 74px;
}

.device-switch span {
  top: 46px;
  width: 10%;
  height: 12px;
}

.device-switch span:nth-child(1) {
  left: 12%;
}

.device-switch span:nth-child(2) {
  left: 28%;
}

.device-switch span:nth-child(3) {
  left: 44%;
}

.device-switch span:nth-child(4) {
  left: 60%;
}

.device-note {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(16, 32, 51, 0.06);
}

.trust-strip {
  padding: 10px 0 24px;
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.trust-items span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 68px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(16, 32, 51, 0.05);
  color: #48606d;
  font-weight: 700;
}

.section {
  padding: 64px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.section-heading.compact {
  margin-bottom: 0;
}

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

.catalog-card,
.workflow-card {
  padding: 26px;
  border-radius: var(--radius-lg);
}

.catalog-card h3,
.solution-list h3,
.workflow-card h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.catalog-card a {
  display: inline-flex;
  margin-top: 14px;
  color: var(--accent-strong);
  font-weight: 800;
}

.section-accent {
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.14), transparent 26%),
    linear-gradient(180deg, rgba(214, 243, 239, 0.7), rgba(238, 243, 246, 0));
}

.solutions-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 26px;
  align-items: start;
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.solution-list article {
  padding: 24px;
  border-radius: var(--radius-lg);
}

.brands-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
}

.brand-table {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.brand-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}

.brand-row:last-child {
  border-bottom: 0;
}

.brand-row span,
.workflow-card span,
.contact-points span {
  color: var(--accent);
  font-weight: 800;
}

.workflow-card span {
  display: inline-flex;
  margin-bottom: 18px;
  font-size: 1.3rem;
}

.contact-section {
  padding-bottom: 84px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
}

.contact-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.contact-points div {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(16, 32, 51, 0.05);
}

.contact-points strong {
  display: block;
  margin-top: 8px;
  line-height: 1.5;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border-radius: var(--radius-xl);
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(16, 32, 51, 0.08);
  background: rgba(255, 255, 255, 0.82);
  border-radius: 16px;
  padding: 15px 16px;
  color: var(--text);
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(15, 118, 110, 0.2);
  border-color: rgba(15, 118, 110, 0.36);
}

.button-wide {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.form-note {
  margin: 0;
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid rgba(16, 32, 51, 0.06);
  padding: 28px 0 44px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}

.brand-footer {
  margin-bottom: 12px;
}

.footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  padding-top: 10px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .hero-grid,
  .solutions-grid,
  .brands-layout,
  .contact-grid,
  .catalog-grid,
  .workflow-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 13ch;
  }

  .trust-items,
  .solution-list,
  .contact-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .header-inner {
    flex-wrap: wrap;
    min-height: 76px;
    padding: 16px 0;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    width: 100%;
    order: 4;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0 6px;
  }

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

  .header-cta {
    display: none;
  }

  .hero {
    padding-top: 30px;
  }

  .hero-stats,
  .trust-items,
  .solution-list,
  .contact-points {
    grid-template-columns: 1fr;
  }

  .brand-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  :root {
    --container: min(100% - 24px, 1120px);
  }

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

  .signal-card,
  .device-card,
  .catalog-card,
  .workflow-card,
  .contact-form {
    padding: 20px;
  }
}