:root {
  color-scheme: dark;
  --ink: #f6f1e8;
  --muted: #aaa79f;
  --faint: #777872;
  --canvas: #0b0d0d;
  --surface: #121515;
  --surface-2: #181c1b;
  --line: rgba(246, 241, 232, 0.12);
  --line-strong: rgba(246, 241, 232, 0.22);
  --coral: #ff7154;
  --coral-bright: #ff8d75;
  --mint: #75e6bf;
  --amber: #f5c667;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.28);
  --page: min(1680px, calc(100% - 48px));
  --radius: 22px;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

html[data-theme="light"] {
  color-scheme: light;
  --ink: #171918;
  --muted: #5e625f;
  --faint: #858985;
  --canvas: #f4f1e9;
  --surface: #fffdf7;
  --surface-2: #ebe7dc;
  --line: rgba(23, 25, 24, 0.12);
  --line-strong: rgba(23, 25, 24, 0.24);
  --coral: #d84f33;
  --coral-bright: #bd3f28;
  --mint: #087f61;
  --amber: #9a6900;
  --shadow: 0 26px 70px rgba(49, 43, 32, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% -8%, rgba(255, 113, 84, 0.13), transparent 28rem),
    radial-gradient(circle at 88% 10%, rgba(117, 230, 191, 0.08), transparent 25rem),
    var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--coral) 40%, transparent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--canvas);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--canvas) 86%, transparent);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: var(--page);
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 780;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--coral);
  color: #151616;
  font-weight: 900;
  box-shadow: 0 9px 26px rgba(255, 113, 84, 0.22);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

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

.theme-button,
.menu-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
}

.menu-button {
  display: none;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 720;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.button-primary {
  border-color: var(--coral);
  background: var(--coral);
  color: #161616;
}

.button-primary:hover {
  border-color: var(--coral-bright);
  background: var(--coral-bright);
}

.button-large {
  min-height: 54px;
  padding: 0 23px;
  border-radius: 15px;
}

.hero {
  width: var(--page);
  margin: 0 auto;
  padding: clamp(60px, 7vw, 104px) 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  align-items: center;
  gap: clamp(48px, 7vw, 104px);
}

.kicker {
  margin: 0 0 16px;
  color: var(--mint);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: 9px;
  border-radius: 99px;
  background: currentColor;
  box-shadow: 0 0 16px currentColor;
}

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

h1,
h2,
h3 {
  line-height: 1.06;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 6vw, 5.8rem);
  font-weight: 730;
}

.hero h1 em {
  color: var(--coral);
  font-family: var(--serif);
  font-weight: 500;
}

.hero-copy {
  max-width: 670px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1.06rem, 1.7vw, 1.25rem);
}

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

.microcopy {
  margin: 16px 0 0;
  color: var(--faint);
  font-size: 0.82rem;
}

.signal-window {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow);
}

.signal-window::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 113, 84, 0.09), transparent 44%);
}

.window-bar {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.window-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--faint);
}

.window-bar span:last-child {
  margin-left: auto;
}

.signal-list {
  padding: 12px;
}

.signal-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding: 18px 14px;
  border-bottom: 1px solid var(--line);
}

.signal-item:last-child {
  border-bottom: 0;
}

.score {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--mint) 12%, transparent);
  color: var(--mint);
  font-weight: 850;
}

.signal-meta {
  color: var(--faint);
  font-size: 0.76rem;
}

.signal-title {
  margin: 4px 0 7px;
  font-size: 0.96rem;
  font-weight: 680;
  line-height: 1.4;
}

.intent {
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 720;
}

.trust-line {
  width: var(--page);
  margin: 0 auto;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.trust-item {
  display: flex;
  gap: 11px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.trust-item b {
  color: var(--ink);
}

.section {
  width: var(--page);
  margin: 0 auto;
  padding: clamp(64px, 7vw, 104px) 0;
}

.section-tight {
  padding-top: 50px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-heading h2 {
  margin-bottom: 18px;
  font-size: clamp(2.3rem, 5vw, 4.6rem);
}

.section-heading p {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.08rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
}

.step {
  min-height: 290px;
  padding: 30px 28px 28px 0;
  border-right: 1px solid var(--line);
}

.step + .step {
  padding-left: 28px;
}

.step:last-child {
  border-right: 0;
}

.step-number {
  display: block;
  margin-bottom: 54px;
  color: var(--coral);
  font-family: var(--serif);
  font-size: 1.7rem;
  font-style: italic;
}

.step h3,
.feature h3 {
  margin-bottom: 12px;
  font-size: 1.32rem;
}

.step p,
.feature p {
  color: var(--muted);
}

.split-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.split-copy,
.split-detail {
  padding: clamp(32px, 5vw, 66px);
}

.split-copy {
  background: var(--coral);
  color: #151616;
}

.split-copy h2 {
  margin-bottom: 20px;
  font-size: clamp(2.3rem, 4vw, 4rem);
}

.split-copy p {
  max-width: 440px;
  opacity: 0.8;
}

.feature-list {
  display: grid;
  gap: 24px;
}

.feature {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.feature:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

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

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 500px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.price-card.featured {
  border-color: var(--coral);
  box-shadow: 0 18px 56px rgba(255, 113, 84, 0.12);
}

.price-label {
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.price {
  margin: 16px 0 6px;
  font-size: 3.4rem;
  font-weight: 740;
  letter-spacing: -0.06em;
  line-height: 1;
}

.price small {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0;
}

.price-description {
  min-height: 54px;
  color: var(--muted);
  font-size: 0.9rem;
}

.price-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 30px;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.price-list li::before {
  content: "✓";
  margin-right: 9px;
  color: var(--mint);
  font-weight: 800;
}

.price-card .button {
  width: 100%;
  margin-top: auto;
}

.callout {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
  padding: clamp(34px, 5vw, 64px);
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  background:
    linear-gradient(110deg, rgba(255, 113, 84, 0.15), transparent 55%),
    var(--surface);
}

.callout h2 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.callout p {
  margin-bottom: 0;
  color: var(--muted);
}

.faq {
  max-width: 850px;
}

.faq details {
  border-top: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  padding: 22px 36px 22px 0;
  cursor: pointer;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 680;
}

.faq details p {
  max-width: 720px;
  padding-bottom: 24px;
  color: var(--muted);
}

.article-hero {
  width: var(--page);
  margin: 0 auto;
  padding: clamp(48px, 5vw, 76px) 0 46px;
}

.article-hero h1 {
  max-width: 1240px;
  font-size: clamp(2.8rem, 5vw, 5rem);
}

.article-hero > p:last-child {
  max-width: 860px;
  color: var(--muted);
  font-size: 1.16rem;
}

.article-layout {
  width: var(--page);
  margin: 0 auto;
  padding-bottom: 88px;
  display: grid;
  grid-template-columns: 210px minmax(0, 980px);
  gap: clamp(44px, 5vw, 76px);
}

.article-toc {
  position: sticky;
  top: 104px;
  align-self: start;
  display: grid;
  gap: 10px;
  color: var(--faint);
  font-size: 0.82rem;
}

.article-toc strong {
  margin-bottom: 5px;
  color: var(--ink);
}

.prose h2 {
  margin: 58px 0 18px;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin: 36px 0 14px;
  font-size: 1.35rem;
}

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

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

.prose ul,
.prose ol {
  padding-left: 22px;
}

.prose li + li {
  margin-top: 9px;
}

.note {
  margin: 34px 0;
  padding: 24px;
  border-left: 3px solid var(--mint);
  background: var(--surface);
}

.note p:last-child {
  margin-bottom: 0;
}

.legal-meta {
  color: var(--faint);
  font-size: 0.88rem;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-shell {
  width: var(--page);
  margin: 0 auto;
  padding: 48px 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
}

.footer-copy {
  max-width: 420px;
  margin: 16px 0 0;
  color: var(--faint);
  font-size: 0.84rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 10px 32px;
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-links a:hover {
  color: var(--ink);
}

.copyright {
  width: var(--page);
  margin: 0 auto;
  padding: 18px 0 28px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.78rem;
}

@media (max-width: 900px) {
  .menu-button {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 20px;
    right: 20px;
    display: none;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: grid;
  }

  .nav-actions .button {
    display: none;
  }

  .hero,
  .split-panel,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 58px;
  }

  .signal-window {
    max-width: 620px;
  }

  .steps,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .step,
  .step + .step {
    min-height: 0;
    padding: 26px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .step-number {
    margin-bottom: 24px;
  }

  .trust-line {
    grid-template-columns: 1fr;
  }

  .price-card {
    min-height: 0;
  }

  .article-toc {
    position: static;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
  }

  .article-hero {
    padding-top: 48px;
  }
}

@media (max-width: 620px) {
  :root {
    --page: min(100% - 28px, 1680px);
  }

  .nav-shell {
    min-height: 66px;
  }

  .site-nav {
    top: 66px;
    left: 14px;
    right: 14px;
  }

  h1 {
    font-size: clamp(2.75rem, 14vw, 4.4rem);
  }

  .hero {
    padding: 48px 0 58px;
    gap: 45px;
  }

  .article-hero {
    padding: 42px 0 34px;
  }

  .signal-title {
    font-size: 0.88rem;
  }

  .callout,
  .footer-shell {
    grid-template-columns: 1fr;
  }

  .callout .button {
    width: 100%;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}