:root {
  color-scheme: dark;
  --ground: #12100d;
  --deep: #0c0a07;
  --lift: #1c1913;
  --lift-strong: #252119;
  --bone: #f0ebe1;
  --bone-muted: #bdb5a7;
  --line: rgba(240, 235, 225, 0.16);
  --line-strong: rgba(240, 235, 225, 0.28);
  --coral: #e8674c;
  --coral-soft: #f18a73;
  --gold: #e3b23c;
  --gold-soft: #f0cf7a;
  --content: 72rem;
  --narrow: 48rem;
  --radius: 1.25rem;
  --shadow: 0 1.5rem 5rem rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 20rem;
  background: var(--ground);
  color: var(--bone);
  font-family: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 78% 8%, rgba(232, 103, 76, 0.08), transparent 30rem),
    radial-gradient(circle at 12% 40%, rgba(227, 178, 60, 0.05), transparent 26rem);
  content: "";
  pointer-events: none;
}

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

a {
  color: var(--gold-soft);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.08em;
}

a:hover {
  color: var(--bone);
}

:focus-visible {
  outline: 0.18rem solid var(--gold);
  outline-offset: 0.25rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  transform: translateY(-180%);
  border-radius: 0.35rem;
  background: var(--bone);
  color: var(--deep);
  font-weight: 700;
}

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

.shell {
  width: min(calc(100% - 2rem), var(--content));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 2rem), var(--narrow));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(18, 16, 13, 0.88);
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
}

.nav {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--bone);
  font-family: "Iowan Old Style", Baskerville, Georgia, serif;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand-lockup:hover {
  color: var(--bone);
}

.brand-lockup img {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.55rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  color: var(--bone-muted);
  font-size: 0.88rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-decoration: none;
}

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

.hero {
  display: grid;
  min-height: calc(100svh - 4.75rem);
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 7rem);
  padding-block: clamp(4.5rem, 11vw, 8rem);
}

.eyebrow {
  margin: 0 0 1.3rem;
  color: var(--gold-soft);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Iowan Old Style", Baskerville, Georgia, serif;
  font-weight: 500;
  line-height: 1.06;
  text-wrap: balance;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3.25rem, 8.2vw, 7.25rem);
  letter-spacing: -0.045em;
}

h2 {
  max-width: 15ch;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  letter-spacing: -0.035em;
}

h3 {
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.hero-copy {
  max-width: 39rem;
  margin: 1.75rem 0 0;
  color: var(--bone-muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.2rem;
}

.button {
  display: inline-flex;
  min-height: 3.2rem;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.2rem;
  border: 1px solid var(--gold);
  border-radius: 0.55rem;
  background: var(--gold);
  color: var(--deep);
  font-size: 0.9rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease;
}

.button:hover {
  transform: translateY(-0.12rem);
  background: var(--gold-soft);
  color: var(--deep);
}

.button.secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--bone);
}

.button.secondary:hover {
  border-color: var(--bone-muted);
  background: rgba(240, 235, 225, 0.05);
}

.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.3rem;
  margin: 1.7rem 0 0;
  padding: 0;
  color: var(--bone-muted);
  font-size: 0.82rem;
  list-style: none;
}

.trust-line li::before {
  margin-right: 0.45rem;
  color: var(--gold);
  content: "·";
}

.hero-visual {
  position: relative;
  isolation: isolate;
}

.hero-mark {
  width: min(100%, 31rem);
  margin-inline: auto;
  border-radius: 2rem;
  box-shadow: var(--shadow);
}

.signal-card {
  position: absolute;
  right: -1.2rem;
  bottom: -2rem;
  width: min(22rem, 76%);
  padding: 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 1rem;
  background: rgba(28, 25, 19, 0.94);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(1rem);
}

.signal-card header,
.signal-legend {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.signal-card header {
  margin-bottom: 0.8rem;
  color: var(--bone-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.live-indicator::before {
  display: inline-block;
  width: 0.48rem;
  height: 0.48rem;
  margin-right: 0.4rem;
  border-radius: 50%;
  background: var(--coral);
  content: "";
}

.signal-card svg {
  width: 100%;
  height: auto;
}

.signal-card .grid-line {
  stroke: rgba(240, 235, 225, 0.08);
}

.signal-card .heart-line,
.signal-card .breath-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
  stroke-dasharray: 720;
  stroke-dashoffset: 720;
  animation: draw-signal 3.4s ease-out 0.3s forwards;
}

.signal-card .heart-line {
  stroke: var(--coral);
}

.signal-card .breath-line {
  stroke: var(--bone);
  animation-delay: 0.55s;
}

.signal-legend {
  justify-content: flex-start;
  margin-top: 0.8rem;
  color: var(--bone-muted);
  font-size: 0.7rem;
}

.legend-item::before {
  display: inline-block;
  width: 1.2rem;
  height: 0.14rem;
  margin-right: 0.38rem;
  border-radius: 1rem;
  background: var(--bone);
  vertical-align: middle;
  content: "";
}

.legend-item.heart::before {
  background: var(--coral);
}

@keyframes draw-signal {
  to {
    stroke-dashoffset: 0;
  }
}

.section {
  padding-block: clamp(5rem, 10vw, 8.5rem);
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(18rem, 1fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  margin-bottom: clamp(3rem, 7vw, 5rem);
}

.section-intro {
  max-width: 40rem;
  margin: 0;
  color: var(--bone-muted);
  font-size: clamp(1.05rem, 1.5vw, 1.18rem);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.step {
  padding: 2rem clamp(1rem, 3vw, 2rem) 1rem 0;
}

.step + .step {
  padding-left: clamp(1rem, 3vw, 2rem);
  border-left: 1px solid var(--line);
}

.step-number {
  display: block;
  margin-bottom: 2.5rem;
  color: var(--gold-soft);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.step p,
.feature p {
  margin: 0.8rem 0 0;
  color: var(--bone-muted);
}

.feedback-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.feedback-graphic {
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--lift);
  box-shadow: var(--shadow);
}

.feedback-graphic svg {
  width: 100%;
}

.graphic-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  color: var(--bone-muted);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feedback-copy p {
  max-width: 36rem;
  margin: 1.5rem 0 0;
  color: var(--bone-muted);
  font-size: 1.08rem;
}

.metric {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.metric strong {
  color: var(--gold-soft);
  font-family: "Iowan Old Style", Baskerville, Georgia, serif;
  font-size: 2.7rem;
  font-weight: 500;
}

.metric span {
  color: var(--bone-muted);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.feature {
  min-height: 15rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--ground);
}

.feature-kicker {
  display: block;
  margin-bottom: 3.8rem;
  color: var(--coral-soft);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.monitor-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.72fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
  padding: clamp(2rem, 6vw, 4.5rem);
  border-radius: var(--radius);
  background: var(--bone);
  color: var(--deep);
}

.monitor-note .eyebrow {
  color: #8a6110;
}

.monitor-note h2 {
  max-width: 14ch;
}

.monitor-note p {
  margin: 0;
  color: #554f45;
  font-size: 1.05rem;
}

.privacy-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding-block: clamp(4rem, 8vw, 6rem);
}

.privacy-strip p {
  max-width: 50rem;
  margin: 0.8rem 0 0;
  color: var(--bone-muted);
}

.site-footer {
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer-row p {
  margin: 0;
  color: var(--bone-muted);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: var(--bone-muted);
  font-size: 0.78rem;
  text-decoration: none;
}

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

.page-hero {
  padding-block: clamp(4.5rem, 10vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  max-width: 15ch;
  font-size: clamp(3rem, 7vw, 5.5rem);
}

.page-hero .lede {
  max-width: 43rem;
  margin: 1.5rem 0 0;
  color: var(--bone-muted);
  font-size: 1.12rem;
}

.page-hero .updated {
  margin: 2rem 0 0;
  color: var(--bone-muted);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.legal-layout {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: clamp(3rem, 8vw, 7rem);
  padding-block: clamp(4rem, 9vw, 7rem);
}

.toc {
  align-self: start;
}

.toc strong {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--bone-muted);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc li + li {
  margin-top: 0.55rem;
}

.toc a {
  color: var(--bone-muted);
  font-size: 0.82rem;
  text-decoration: none;
}

.toc a:hover {
  color: var(--bone);
}

.prose {
  min-width: 0;
}

.prose section {
  scroll-margin-top: 2rem;
}

.prose section + section {
  margin-top: 3.5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--line);
}

.prose h2 {
  max-width: none;
  margin-bottom: 1.2rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.prose h3 {
  margin-top: 2rem;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: 0;
}

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

.prose p {
  margin: 0.9rem 0 0;
}

.prose ul {
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: 0.55rem;
}

.callout {
  margin-top: 1.5rem;
  padding: 1.25rem 1.4rem;
  border-left: 0.2rem solid var(--gold);
  background: var(--lift);
  color: var(--bone-muted);
}

.faq-list {
  margin-top: 3rem;
  border-top: 1px solid var(--line-strong);
}

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

.faq-list summary {
  position: relative;
  padding: 1.5rem 3rem 1.5rem 0;
  color: var(--bone);
  cursor: pointer;
  font-family: "Iowan Old Style", Baskerville, Georgia, serif;
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  line-height: 1.25;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 0.25rem;
  color: var(--gold);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 1.3rem;
  content: "+";
  transform: translateY(-50%);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 43rem;
  padding: 0 0 1.6rem;
  color: var(--bone-muted);
}

.faq-answer p,
.faq-answer ol,
.faq-answer ul {
  margin-top: 0;
}

.contact-panel {
  margin-top: clamp(4rem, 9vw, 7rem);
  padding: clamp(1.75rem, 5vw, 3.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--lift);
}

.contact-panel h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.contact-panel p {
  max-width: 42rem;
  color: var(--bone-muted);
}

.error-page {
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: 2rem;
  text-align: center;
}

.error-page img {
  width: 7rem;
  margin-inline: auto;
  border-radius: 1.5rem;
}

.error-page h1 {
  max-width: none;
  margin-top: 1.8rem;
  font-size: clamp(3rem, 9vw, 6rem);
}

.error-page p {
  max-width: 32rem;
  margin: 1rem auto 2rem;
  color: var(--bone-muted);
}

.error-page .button-row {
  justify-content: center;
}

@media (max-width: 52rem) {
  .hero,
  .feedback-layout,
  .section-heading,
  .monitor-note {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    width: min(100%, 31rem);
    margin-inline: auto;
  }

  .section-heading {
    align-items: start;
  }

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

  .step {
    padding: 1.75rem 0;
  }

  .step + .step {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .step-number {
    margin-bottom: 1.5rem;
  }

  .legal-layout {
    grid-template-columns: 1fr;
  }

  .toc {
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--line);
  }

  .toc ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
  }

  .toc li + li {
    margin-top: 0;
  }
}

@media (max-width: 40rem) {
  .shell,
  .narrow {
    width: min(calc(100% - 1.35rem), var(--content));
  }

  .nav {
    min-height: 4.25rem;
  }

  .nav-links li:first-child {
    display: none;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: 0.75rem;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.5rem);
  }

  .hero {
    gap: 4rem;
    padding-block: 4rem 5rem;
  }

  .signal-card {
    right: -0.2rem;
    bottom: -2.3rem;
    width: 84%;
  }

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

  .feature {
    min-height: auto;
  }

  .feature-kicker {
    margin-bottom: 2.5rem;
  }

  .privacy-strip,
  .footer-row {
    grid-template-columns: 1fr;
  }

  .privacy-strip {
    display: grid;
  }

  .footer-row {
    display: grid;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}