:root {
  --ink: #111827;
  --muted: #566173;
  --soft: #eef3f8;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --line: #dbe4ee;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --green: #22c55e;
  --amber: #f59e0b;
  --navy: #0f172a;
  --shadow: 0 18px 50px rgba(15, 23, 42, 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: var(--surface);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
}

svg {
  display: block;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

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

h1 {
  max-width: 13ch;
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 7vw, 5.25rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  max-width: 15ch;
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
  line-height: 1.25;
}

p {
  color: var(--muted);
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  transform: translateY(-150%);
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--navy);
  color: white;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(219, 228, 238, 0.82);
  background: rgba(255, 255, 255, 0.91);
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 40px;
  border-radius: 8px;
  color: white;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.menu {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #334155;
  font-size: 0.95rem;
  font-weight: 700;
}

.menu a {
  text-decoration: none;
}

.menu a:hover,
.menu a:focus-visible {
  color: var(--teal-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  border-radius: 2px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 68px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(245, 158, 11, 0.1) 48%, rgba(238, 243, 248, 0.92)),
    var(--surface-2);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--line);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  max-width: 650px;
  margin-bottom: 28px;
  color: #475569;
  font-size: 1.16rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 20px;
  font-weight: 900;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--teal);
  color: white;
  box-shadow: 0 16px 34px rgba(15, 118, 110, 0.22);
}

.btn-primary:hover {
  background: var(--teal-dark);
}

.btn-secondary {
  border-color: #bac7d5;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
}

.quick-facts {
  display: grid;
  grid-template-columns: minmax(0, 150px);
  gap: 10px;
}

.quick-facts div {
  border: 1px solid rgba(186, 199, 213, 0.8);
  border-radius: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.68);
}

.quick-facts dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.quick-facts dd {
  margin-bottom: 0;
  font-size: 1.05rem;
  font-weight: 950;
}

.support-visual {
  position: relative;
  min-height: 360px;
}

.device-window {
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  overflow: hidden;
  background: #111827;
  box-shadow: var(--shadow);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding-left: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #e5e7eb;
}

.window-bar span:nth-child(1) {
  background: #fb7185;
}

.window-bar span:nth-child(2) {
  background: #fbbf24;
}

.window-bar span:nth-child(3) {
  background: #34d399;
}

.diagnostic {
  min-height: 310px;
  padding: 28px;
  color: white;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    #111827;
  background-size: 34px 34px;
}

.diagnostic-header {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
  font-weight: 800;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.16);
}

.diagnostic-grid {
  display: grid;
  gap: 14px;
}

.diagnostic-grid > div {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.07);
}

.diagnostic-grid strong {
  display: block;
  margin-bottom: 12px;
}

.meter {
  display: block;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.meter i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #38bdf8;
}

.meter-green i {
  background: var(--green);
}

.meter-amber i {
  background: var(--amber);
}

.diagnostic-note {
  margin: 24px 0 0;
  color: #cbd5e1;
}

.section {
  padding: 78px 0;
}

.section-muted {
  background: var(--soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2 {
  max-width: 680px;
}

.service-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: start;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card,
.help-panel,
.price-card,
.remote-box,
.contact-card,
.contact-form,
.steps article,
.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.06);
}

.card {
  padding: 24px;
}

.card p,
.price-card p,
.help-panel li,
.remote-box p,
.contact-card p,
.steps p,
.faq p {
  color: var(--muted);
}

.icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  color: var(--teal-dark);
  background: #dff7f2;
}

.help-panel {
  position: sticky;
  top: 96px;
  padding: 24px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: inset 0 0 0 4px white;
}

.text-link {
  color: var(--teal-dark);
  font-weight: 900;
  text-decoration-color: rgba(15, 118, 110, 0.35);
  text-underline-offset: 4px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.steps article {
  padding: 24px;
}

.steps span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 950;
}

.prices {
  background: #f8fafc;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.price-card {
  padding: 24px;
}

.price-card.featured {
  border-color: rgba(15, 118, 110, 0.5);
  background: #ecfdf5;
}

.badge {
  display: inline-flex;
  margin-bottom: 14px;
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--teal);
  color: white;
  font-size: 0.76rem;
  font-weight: 900;
}

.price {
  margin-bottom: 10px;
  color: var(--ink) !important;
  font-size: 2rem;
  font-weight: 950;
  line-height: 1;
}

.remote {
  color: white;
  background: var(--navy);
}

.remote .eyebrow {
  color: #7dd3fc;
}

.remote h2 {
  max-width: 760px;
}

.remote-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
  padding: 34px;
}

.remote-box p {
  max-width: 760px;
  color: #cbd5e1;
}

.remote-box .btn-primary {
  flex: 0 0 auto;
  background: white;
  color: var(--navy);
  box-shadow: none;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.faq details {
  padding: 20px;
}

.faq summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
}

.faq summary::marker {
  color: var(--teal);
}

.faq p {
  margin: 14px 0 0;
}

.contact {
  background: var(--soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 410px;
  gap: 28px;
  align-items: start;
}

.contact-card {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 26px;
  font-style: normal;
}

.contact-card p {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.contact-card p:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-card strong {
  color: var(--ink);
}

.contact-card a {
  color: var(--teal-dark);
  font-weight: 900;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 26px;
}

.form-row {
  display: grid;
  gap: 8px;
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-row label {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 900;
}

.form-row input,
.form-row textarea {
  width: 100%;
  border: 1px solid #bac7d5;
  border-radius: 8px;
  padding: 13px 14px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form-row textarea {
  min-height: 148px;
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.contact-form .btn {
  width: fit-content;
  cursor: pointer;
  font: inherit;
}

.form-note,
.form-status {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.form-status {
  color: var(--teal-dark);
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  background: white;
  color: var(--muted);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-grid p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.legal {
  text-align: right;
}

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

  .support-visual {
    min-height: 420px;
  }

  .help-panel {
    position: static;
  }

  .steps,
  .price-grid,
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .nav {
    min-height: 68px;
  }

  .brand small {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .menu {
    position: fixed;
    inset: 68px 16px auto;
    display: grid;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px;
    background: white;
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .nav-open .menu {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .menu a {
    border-radius: 8px;
    padding: 12px;
  }

  .menu a:hover,
  .menu a:focus-visible {
    background: var(--soft);
  }

  .hero {
    padding: 58px 0 48px;
  }

  h1 {
    font-size: clamp(2.45rem, 14vw, 4rem);
  }

  .lead {
    font-size: 1.04rem;
  }

  .quick-facts,
  .cards,
  .steps,
  .price-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .support-visual {
    min-height: auto;
  }

  .remote-box,
  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .remote-box .btn,
  .hero-actions .btn {
    width: 100%;
  }

  .contact-card p {
    display: grid;
    gap: 4px;
  }

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

  .contact-form .btn {
    width: 100%;
  }

  .legal {
    text-align: left;
  }
}

@media (max-width: 430px) {
  .container {
    width: min(100% - 24px, 1120px);
  }

  .brand-mark {
    width: 42px;
    height: 38px;
  }

  .brand strong {
    font-size: 0.95rem;
  }

  .diagnostic {
    padding: 20px;
  }

  .card,
  .help-panel,
  .price-card,
  .steps article,
  .contact-card,
  .contact-form,
  .remote-box,
  .faq details {
    padding: 20px;
  }
}