:root {
  --landing-ink: var(--color-navy);
  --landing-accent: var(--color-primary);
  --landing-lime: var(--color-teal);
  --landing-line: var(--color-border);
  --landing-muted: var(--color-muted);
}

.landing-page {
  margin: 0;
  overflow-x: hidden;
  isolation: isolate;
  color: var(--landing-ink);
  background: var(--color-bg);
}

.landing-page::before {
  position: fixed;
  z-index: 0;
  inset: -28%;
  background:
    radial-gradient(circle at 12% 18%, rgba(95, 152, 184, .16), transparent 24%),
    radial-gradient(circle at 88% 38%, rgba(101, 205, 187, .15), transparent 25%),
    radial-gradient(circle at 48% 92%, rgba(8, 127, 149, .09), transparent 22%);
  content: "";
  pointer-events: none;
  animation: landing-aurora 20s ease-in-out infinite alternate;
}

.landing-page .reveal {
  opacity: 1;
  transform: none;
}

.landing-page a { color: inherit; }

.landing-header,
.landing-main,
.landing-footer {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 40px));
  margin: auto;
}

.landing-header {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(13, 27, 37, 0.1);
}

.landing-brand {
  display: flex;
  gap: 11px;
  align-items: center;
  text-decoration: none;
}

.landing-brand > span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 13px;
  color: white;
  background: var(--landing-ink);
  font-weight: 900;
}

.landing-brand div { display: grid; }
.landing-brand small { color: var(--landing-muted); font-size: 9px; }
.landing-header nav { display: flex; gap: 20px; align-items: center; font-size: 12px; font-weight: 800; }
.landing-header nav a { text-decoration: none; }
.landing-header .landing-cta { position: relative; overflow: hidden; padding: 12px 16px; border-radius: 999px; color: white; background: var(--landing-ink); }

.landing-hero { padding: 92px 0 68px; }
.landing-hero > p,
.landing-section-heading > p,
.landing-process > div > p,
.landing-faq > p {
  margin: 0;
  color: var(--landing-accent);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.landing-hero h1 {
  max-width: 1050px;
  margin: 14px 0 32px;
  font-size: clamp(42px, 7vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.landing-hero > div {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 28px;
  align-items: stretch;
  font-size: 18px;
  line-height: 1.65;
}

.landing-hero > div > span { padding: 18px 0; }
.landing-hero > div strong { display: flex; align-items: center; padding: 24px; border-radius: 20px; background: #e4f1e6; box-shadow: 0 16px 45px rgba(55, 108, 70, .08); animation: landing-price-breathe 5.5s ease-in-out infinite; }
.landing-hero aside { display: flex; gap: 10px; margin-top: 30px; }
.landing-hero aside a,
.landing-final a {
  position: relative;
  overflow: hidden;
  padding: 15px 19px;
  border-radius: 12px;
  color: white;
  background: var(--landing-accent);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}
.landing-hero aside a:last-child,
.landing-final a:first-child { background: var(--landing-ink); }

.landing-features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.landing-features article { min-height: 140px; padding: 22px; border: 1px solid var(--landing-line); border-radius: 20px; background: rgba(255, 255, 255, .88); box-shadow: 0 14px 40px rgba(13, 27, 37, .04); transition: transform .2s ease, box-shadow .3s ease, border-color .3s ease; }
.landing-features article:hover { border-color: rgba(95, 152, 184, .6); box-shadow: 0 22px 50px rgba(11, 31, 42, .1); }
.landing-features span { display: block; margin-bottom: 50px; color: var(--landing-accent); font-size: 10px; }
.landing-features strong { font-size: 15px; line-height: 1.45; }

.landing-examples,
.landing-prices,
.landing-tool,
.landing-links { padding: 92px 0 0; }
.landing-section-heading { display: grid; grid-template-columns: 1fr 0.8fr; gap: 20px 60px; margin-bottom: 34px; }
.landing-section-heading > p { grid-column: 1 / -1; }
.landing-section-heading h2,
.landing-process h2,
.landing-faq h2,
.landing-links h2,
.landing-final h2 {
  margin: 0;
  font-size: clamp(31px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}
.landing-section-heading > span { align-self: end; color: var(--landing-muted); line-height: 1.65; }

.landing-example-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.landing-example-grid article { display: flex; min-height: 280px; flex-direction: column; padding: 28px; border-radius: 24px; color: white; background: var(--landing-ink); box-shadow: 0 18px 48px rgba(13, 27, 37, .09); transition: transform .2s ease, box-shadow .3s ease; }
.landing-example-grid article:hover { box-shadow: 0 28px 62px rgba(13, 27, 37, .17); }
.landing-example-grid article:nth-child(2) { color: var(--landing-ink); background: var(--landing-lime); }
.landing-example-grid article > span { color: var(--landing-accent); font-size: 10px; }
.landing-example-grid h3 { margin: 50px 0 12px; font-size: 23px; }
.landing-example-grid p { margin: 0 0 16px; color: #b8c4ca; line-height: 1.55; }
.landing-example-grid article:nth-child(2) p { color: #486044; }
.landing-example-grid strong { line-height: 1.5; }
.landing-example-grid small { margin-top: auto; padding-top: 30px; font-weight: 800; }

.landing-prices { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 60px; }
.landing-prices .landing-section-heading { display: block; margin: 0; }
.landing-prices .landing-section-heading h2 { margin: 12px 0 22px; }
.landing-prices .landing-section-heading > span { color: var(--landing-muted); line-height: 1.6; }
.landing-price-list { border-top: 1px solid var(--landing-line); }
.landing-price-list > div { display: flex; gap: 20px; align-items: center; justify-content: space-between; padding: 20px 10px; border-bottom: 1px solid var(--landing-line); transition: padding .25s ease, background .25s ease; }
.landing-price-list > div:hover { padding-right: 16px; padding-left: 16px; background: rgba(255, 255, 255, .65); }
.landing-price-list span { color: var(--landing-muted); }
.landing-price-list strong { text-align: right; }

.landing-tool { scroll-margin-top: 20px; }
.landing-tool .calculator-layout,
.landing-tool .archive-calculator,
.landing-tool .planner-shell,
.landing-diagnostic { width: 100%; }
.landing-tool .archive-calculator { margin-top: 18px; }
.landing-tool .calculator-result { background: #e5f0f3; }
.landing-diagnostic { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 14px; }
.landing-diagnostic .diagnostic-form,
.landing-diagnostic .diagnostic-result { width: auto; }

.landing-maintenance { display: grid; grid-template-columns: 1fr auto auto; gap: 28px; align-items: center; margin-top: 16px; padding: 30px; border-radius: 22px; color: white; background: var(--landing-ink); }
.landing-maintenance span { color: var(--landing-lime); font-size: 10px; font-weight: 900; text-transform: uppercase; }
.landing-maintenance h3 { margin: 8px 0; font-size: 24px; }
.landing-maintenance p { margin: 0; color: #b8c4ca; }
.landing-maintenance > strong { font-size: 22px; }
.landing-maintenance a { padding: 13px 16px; border-radius: 10px; color: var(--landing-ink); background: var(--landing-lime); font-size: 12px; font-weight: 900; text-decoration: none; }

.landing-process { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 105px 0; }
.landing-process h2 { margin-top: 12px; }
.landing-process ol { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.landing-process li { padding: 19px 0; border-bottom: 1px solid var(--landing-line); line-height: 1.6; }

.landing-faq { max-width: 880px; padding-bottom: 80px; }
.landing-faq h2 { margin: 12px 0 25px; }
.landing-faq details { padding: 19px 0; border-bottom: 1px solid var(--landing-line); }
.landing-faq summary { font-weight: 850; cursor: pointer; }
.landing-faq details p { color: var(--landing-muted); line-height: 1.65; }
.landing-faq details[open] p { animation: landing-faq-in .35s cubic-bezier(.22, 1, .36, 1) both; }

.landing-links { padding-top: 35px; }
.landing-links > div { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.landing-links a { padding: 11px 13px; border: 1px solid var(--landing-line); border-radius: 999px; background: white; font-size: 11px; text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease; }
.landing-links a:hover { color: white; background: var(--landing-ink); border-color: var(--landing-ink); transform: translateY(-2px); }

.landing-final { margin: 70px 0 55px; padding: 54px; border-radius: 30px; color: white; background: var(--landing-ink); }
.landing-final p { color: #b9c4ca; }
.landing-final > div { display: flex; gap: 10px; margin-top: 26px; }
.landing-footer { display: flex; justify-content: space-between; padding: 26px 0; border-top: 1px solid var(--landing-line); color: var(--landing-muted); font-size: 10px; }

.landing-hero aside a::after,
.landing-final a::after,
.landing-header .landing-cta::after {
  position: absolute;
  top: -60%;
  bottom: -60%;
  left: -35%;
  width: 22%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .42), transparent);
  content: "";
  pointer-events: none;
  transform: translateX(-220%) skewX(-18deg);
  transition: transform .7s cubic-bezier(.22, 1, .36, 1);
}

.landing-hero aside a:hover::after,
.landing-final a:hover::after,
.landing-header .landing-cta:hover::after {
  transform: translateX(720%) skewX(-18deg);
}

.motion-ready .landing-motion-reveal {
  opacity: 0;
  transform: translateY(26px) scale(.985);
  transition: opacity .7s ease, transform .75s cubic-bezier(.22, 1, .36, 1);
  transition-delay: var(--motion-delay, 0ms);
}

.motion-ready .landing-motion-reveal.is-motion-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@keyframes landing-aurora {
  0% { transform: translate3d(-2%, -2%, 0) rotate(-2deg) scale(1); }
  100% { transform: translate3d(3%, 2%, 0) rotate(3deg) scale(1.06); }
}

@keyframes landing-price-breathe {
  0%, 100% { transform: translateY(0); box-shadow: 0 16px 45px rgba(55, 108, 70, .08); }
  50% { transform: translateY(-4px); box-shadow: 0 23px 54px rgba(55, 108, 70, .14); }
}

@keyframes landing-faq-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .landing-header nav > a:not(.landing-cta) { display: none; }
  .landing-example-grid { grid-template-columns: 1fr; }
  .landing-example-grid article { min-height: 230px; }
  .landing-prices,
  .landing-diagnostic { grid-template-columns: 1fr; }
  .landing-maintenance { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .landing-header,
  .landing-main,
  .landing-footer { width: min(100% - 24px, 1180px); }
  .landing-hero { padding: 55px 0 45px; }
  .landing-hero > div,
  .landing-section-heading,
  .landing-process { grid-template-columns: 1fr; }
  .landing-hero aside,
  .landing-final > div { display: grid; }
  .landing-features { grid-template-columns: 1fr 1fr; }
  .landing-features article { min-height: 125px; padding: 18px; }
  .landing-features span { margin-bottom: 32px; }
  .landing-examples,
  .landing-prices,
  .landing-tool { padding-top: 65px; }
  .landing-process { padding: 70px 0; }
  .landing-final { padding: 30px; }
  .landing-footer { gap: 20px; }
}

@media (max-width: 420px) {
  .landing-hero h1 {
    font-size: clamp(24px, 7.4vw, 31px);
  }
}

/* Service landing design system v5. */
.landing-page {
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-body);
}

.landing-page::before {
  opacity: 0.62;
  background:
    radial-gradient(circle at 10% 18%, rgba(43, 191, 239, 0.14), transparent 24%),
    radial-gradient(circle at 90% 38%, rgba(19, 184, 166, 0.12), transparent 25%),
    radial-gradient(circle at 48% 92%, rgba(8, 123, 255, 0.08), transparent 22%);
}

.landing-page :is(.landing-header, .landing-main, .landing-footer, .landing-hero, .landing-features, .landing-section-heading, .landing-example-grid, .landing-prices, .landing-price-list, .landing-tool, .calculator-layout, .archive-calculator, .planner-shell, .landing-diagnostic, .landing-maintenance, .landing-process, .landing-faq, .landing-links, .landing-final) > * {
  min-width: 0;
}

.landing-page :is(h1, h2, h3, p, a, button, label, summary, strong, small, span) {
  overflow-wrap: break-word;
}

.landing-page :is(h1, h2, h3) {
  font-family: var(--font-display);
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.landing-header {
  min-height: 84px;
  padding-inline: 4px;
  border-color: var(--color-border);
  background: rgba(247, 250, 252, 0.84);
  backdrop-filter: blur(16px);
}

.landing-brand strong {
  color: var(--color-navy);
  font-family: var(--font-display);
}

.landing-header nav a:hover {
  color: var(--color-primary-hover);
}

.landing-header .landing-cta {
  color: var(--color-surface);
  background: var(--color-primary);
  box-shadow: 0 10px 26px rgba(8, 123, 255, 0.2);
}

.landing-header .landing-cta:hover {
  color: var(--color-surface);
  background: var(--color-primary-hover);
}

.landing-hero {
  margin-top: 28px;
  padding: clamp(46px, 6vw, 74px);
  color: var(--color-surface);
  border: 1px solid rgba(43, 191, 239, 0.17);
  border-radius: 34px;
  background:
    radial-gradient(circle at 88% 10%, rgba(43, 191, 239, 0.2), transparent 28%),
    radial-gradient(circle at 72% 100%, rgba(19, 184, 166, 0.13), transparent 30%),
    linear-gradient(125deg, var(--color-navy), #0b304a);
  box-shadow: var(--shadow-md);
}

.landing-hero > p,
.landing-section-heading > p,
.landing-process > div > p,
.landing-faq > p {
  color: var(--color-primary);
}

.landing-hero > p {
  color: #70d8ff;
}

.landing-hero h1 {
  max-width: 100%;
  color: #f8fcff;
  font-size: clamp(40px, 6.4vw, 78px);
  line-height: 1.03;
}

.landing-hero > div {
  color: #c0d2df;
}

.landing-hero > div > span {
  padding-block: 10px;
}

.landing-hero > div strong {
  color: var(--color-navy);
  background: linear-gradient(135deg, #e8fbf8, #dff4ff);
  box-shadow: 0 18px 46px rgba(1, 13, 25, 0.2);
}

.landing-hero aside a,
.landing-final a:last-child {
  color: var(--color-surface);
  background: var(--color-primary);
  box-shadow: 0 11px 28px rgba(8, 123, 255, 0.22);
}

.landing-hero aside a:last-child {
  color: var(--color-surface);
  border: 1px solid rgba(19, 184, 166, 0.5);
  background: rgba(19, 184, 166, 0.14);
  box-shadow: none;
}

.landing-hero aside a:hover,
.landing-final a:last-child:hover {
  background: var(--color-primary-hover);
}

.landing-hero aside a:last-child:hover {
  background: var(--color-teal);
}

.landing-features {
  margin-top: 18px;
}

.landing-features article {
  color: var(--color-text);
  border-color: var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.landing-features article:hover {
  border-color: rgba(8, 123, 255, 0.4);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.landing-features span {
  color: var(--color-primary);
}

.landing-example-grid article {
  border: 1px solid rgba(43, 191, 239, 0.15);
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-secondary));
  box-shadow: var(--shadow-sm);
}

.landing-example-grid article:nth-child(2) {
  color: var(--color-text);
  border-color: rgba(19, 184, 166, 0.28);
  background: linear-gradient(145deg, #e7faf7, var(--color-surface));
}

.landing-example-grid article > span {
  color: var(--color-cyan);
}

.landing-example-grid article:nth-child(2) > span {
  color: var(--color-primary);
}

.landing-example-grid p {
  color: #b7c9d6;
}

.landing-example-grid article:nth-child(2) p {
  color: var(--color-muted);
}

.landing-price-list {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.landing-price-list > div {
  padding-inline: 22px;
  border-color: var(--color-border);
}

.landing-price-list > div:hover {
  background: var(--color-surface-soft);
}

.landing-price-list strong {
  color: var(--color-primary-hover);
}

.landing-tool {
  padding: 44px clamp(12px, 2vw, 24px) 0;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  background: var(--color-surface-soft);
}

.landing-tool .calculator-form,
.landing-tool .calculator-result,
.landing-tool .archive-calculator,
.landing-tool .planner-shell,
.landing-diagnostic .diagnostic-form,
.landing-diagnostic .diagnostic-result {
  border-color: var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.landing-diagnostic .diagnostic-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.landing-diagnostic .diagnostic-form > *,
.landing-diagnostic .diagnostic-form label,
.landing-diagnostic .diagnostic-form :is(input, select, textarea) {
  min-width: 0;
  max-width: 100%;
}

.landing-tool :is(input:not([type="checkbox"]), textarea, select) {
  color: var(--color-text);
  border-color: var(--color-border);
  background: var(--color-surface);
}

.landing-tool :is(input:not([type="checkbox"]), textarea, select):focus {
  outline: 0;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(8, 123, 255, 0.13);
}

.landing-tool :is(.calculator-form > button, .archive-calculator button, .diagnostic-form > button, .planner-attach) {
  color: var(--color-surface);
  background: var(--color-primary);
}

.landing-tool :is(.calculator-form > button, .archive-calculator button, .diagnostic-form > button, .planner-attach):hover {
  background: var(--color-primary-hover);
}

.landing-tool .calculator-result,
.landing-diagnostic .diagnostic-result {
  background: linear-gradient(145deg, #e8fbf8, var(--color-surface));
}

.landing-maintenance {
  background: var(--color-navy);
}

.landing-maintenance span {
  color: var(--color-teal);
}

.landing-maintenance a {
  color: var(--color-navy);
  background: var(--color-teal);
}

.landing-process {
  margin-top: 90px;
  padding: clamp(34px, 5vw, 64px);
  color: var(--color-surface);
  border-radius: 30px;
  background:
    radial-gradient(circle at 6% 95%, rgba(19, 184, 166, 0.13), transparent 28%),
    var(--color-navy);
  box-shadow: var(--shadow-md);
}

.landing-process > div > p {
  color: var(--color-cyan);
}

.landing-process li {
  color: #c1d1dc;
  border-color: rgba(255, 255, 255, 0.13);
}

.landing-faq {
  max-width: none;
  margin-top: 72px;
  padding: clamp(28px, 5vw, 54px);
  border-radius: 30px;
  background: var(--color-surface-soft);
}

.landing-faq details {
  margin-top: 9px;
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  border-radius: 15px;
  background: var(--color-surface);
}

.landing-faq details[open] {
  border-color: rgba(8, 123, 255, 0.38);
  box-shadow: 0 10px 28px rgba(8, 123, 255, 0.07);
}

.landing-faq details[open] summary {
  color: var(--color-primary-hover);
}

.landing-links a {
  border-color: var(--color-border);
  background: var(--color-surface);
}

.landing-links a:hover {
  color: var(--color-surface);
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.landing-final {
  color: var(--color-surface);
  background:
    radial-gradient(circle at 90% 0%, rgba(43, 191, 239, 0.2), transparent 35%),
    var(--color-navy);
  box-shadow: var(--shadow-md);
}

.landing-final p {
  color: #b9cbd8;
}

.landing-final a:first-child {
  color: var(--color-navy);
  background: var(--color-teal);
}

.landing-footer {
  width: 100%;
  max-width: none;
  gap: 20px;
  margin-top: 30px;
  padding: 30px max(20px, calc((100% - 1180px) / 2));
  color: #b7c9d6;
  border: 0;
  background: var(--color-navy);
}

.landing-footer a {
  color: #72d9ec;
}

@media (max-width: 700px) {
  .landing-hero {
    margin-top: 14px;
    padding: 34px 22px;
    border-radius: 24px;
  }

  .landing-hero h1 {
    font-size: clamp(30px, 9vw, 44px);
    line-height: 1.08;
  }

  .landing-tool {
    padding: 30px 10px 10px;
    border-radius: 24px;
  }

  .landing-diagnostic .diagnostic-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-process,
  .landing-faq,
  .landing-final {
    padding: 28px 22px;
    border-radius: 24px;
  }

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

@media (max-width: 420px) {
  .landing-header {
    min-width: 0;
  }

  .landing-brand div {
    min-width: 0;
  }

  .landing-brand small {
    max-width: 180px;
  }

  .landing-hero h1 {
    font-size: clamp(28px, 8.6vw, 36px);
  }

  .landing-features {
    grid-template-columns: 1fr;
  }

  .landing-features article {
    min-height: 0;
  }

  .landing-price-list > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}