:root {
  --ink: #172a3a;
  --deep: #102334;
  --blue: #274f67;
  --muted: #687782;
  --paper: #f6f2e9;
  --white: #fffdf8;
  --line: #d7d0c2;
  --amber: #d79a47;
  --amber-soft: #efd5a8;
  --mist: #e8edf0;
  --shadow: rgba(16, 35, 52, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: relative;
  z-index: 5;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--deep);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  color: var(--deep);
  background: var(--amber);
  font-family: Georgia, serif;
  font-size: 21px;
  font-style: italic;
  line-height: 1;
}

.brand-dot {
  color: var(--amber);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links a,
.footer-links a {
  text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover,
.text-link:hover {
  color: var(--amber);
}

.hero {
  min-height: 630px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(44px, 8vw, 130px);
  align-items: center;
  padding-top: 82px;
  padding-bottom: 88px;
}

.eyebrow {
  margin: 0 0 17px;
  color: var(--amber);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  line-height: 1.06;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: var(--deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(48px, 7.2vw, 90px);
  font-weight: 400;
  letter-spacing: -0.065em;
}

.hero-intro {
  max-width: 590px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.button-dark {
  color: var(--white);
  background: var(--deep);
  border: 1px solid var(--deep);
}

.button-dark:hover {
  background: var(--blue);
}

.text-link {
  color: var(--deep);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
}

.text-link span {
  display: inline-block;
  margin-left: 7px;
  color: var(--amber);
  font-size: 18px;
  transition: transform 160ms ease;
}

.text-link:hover span {
  transform: translate(3px, 3px);
}

.signal-card {
  position: relative;
  min-height: 390px;
  padding: 25px;
  overflow: hidden;
  color: var(--white);
  background: var(--deep);
  box-shadow: 18px 22px 0 var(--amber-soft);
}

.signal-card::before,
.signal-card::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(239, 213, 168, 0.23);
  border-radius: 50%;
}

.signal-card::before {
  width: 310px;
  height: 310px;
  right: -152px;
  top: 76px;
}

.signal-card::after {
  width: 210px;
  height: 210px;
  right: -102px;
  top: 126px;
}

.signal-card-top,
.signal-legend {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.signal-label,
.signal-legend {
  color: #b5c5cb;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.signal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 6px rgba(215, 154, 71, 0.16);
}

.signal-display {
  position: relative;
  z-index: 1;
  margin-top: 77px;
}

.signal-display span {
  display: block;
  color: var(--amber-soft);
  font-size: 14px;
}

.signal-display strong {
  display: block;
  max-width: 250px;
  margin-top: 8px;
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 38px;
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1;
}

.signal-chart {
  position: relative;
  z-index: 1;
  height: 100px;
  margin-top: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  background: repeating-linear-gradient(to bottom, transparent 0, transparent 32px, rgba(255, 255, 255, 0.1) 33px);
}

.chart-line {
  position: absolute;
  display: block;
  width: 52%;
  height: 2px;
  transform-origin: left center;
}

.line-one {
  left: 4%;
  bottom: 22%;
  background: var(--amber);
  transform: rotate(-28deg);
}

.line-two {
  left: 46%;
  bottom: 65%;
  width: 44%;
  background: #83b2c4;
  transform: rotate(17deg);
}

.chart-point {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 2px solid var(--deep);
  border-radius: 50%;
}

.point-one { left: 3%; bottom: 18%; background: var(--amber); }
.point-two { left: 43%; bottom: 60%; background: var(--amber); }
.point-three { left: 69%; bottom: 74%; background: #83b2c4; }
.point-four { right: 1%; bottom: 86%; background: #83b2c4; }

.signal-legend {
  position: relative;
  z-index: 1;
  justify-content: flex-start;
  gap: 19px;
  margin-top: 18px;
}

.legend-swatch {
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--amber);
}

.swatch-blue {
  background: #83b2c4;
}

.intro-band {
  padding: 78px 0 82px;
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 50px;
}

h2 {
  max-width: 760px;
  margin-bottom: 21px;
  color: var(--deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(35px, 5vw, 62px);
  font-weight: 400;
  letter-spacing: -0.06em;
}

.section-lead {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.principles {
  padding-top: 17px;
  padding-bottom: 100px;
}

.principle-row {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) 130px;
  gap: 22px;
  align-items: center;
  padding: 29px 0;
  border-bottom: 1px solid var(--line);
}

.principle-number,
.principle-tag,
.note-index {
  color: var(--amber);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.principle-row h3 {
  margin-bottom: 7px;
  color: var(--deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 29px;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.principle-row p {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--muted);
}

.principle-tag {
  justify-self: end;
  color: var(--blue);
  font-size: 10px;
}

.reset-section {
  padding: 100px 0;
  color: var(--white);
  background: var(--blue);
}

.reset-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(50px, 10vw, 150px);
}

.reset-section .eyebrow {
  color: var(--amber-soft);
}

.reset-section h2 {
  color: var(--white);
}

.reset-heading > p:last-child {
  max-width: 440px;
  margin-bottom: 0;
  color: #c4d1d6;
  font-size: 17px;
}

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

.reset-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 17px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.reset-list li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
}

.reset-list li > span {
  color: var(--amber-soft);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.reset-list strong {
  display: block;
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
  font-weight: 400;
}

.reset-list p {
  margin: 5px 0 0;
  color: #c4d1d6;
}

.signals {
  padding-top: 100px;
  padding-bottom: 112px;
}

.signals-heading {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 50px;
}

.signals-heading h2 {
  margin-bottom: 55px;
}

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

.signal-notes article {
  min-height: 245px;
  padding: 24px;
  background: var(--white);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.signal-notes h3 {
  margin: 55px 0 10px;
  color: var(--deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 31px;
  font-weight: 400;
  letter-spacing: -0.04em;
}

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

.site-footer {
  color: #c8d3d7;
  background: var(--deep);
}

.footer-inner {
  min-height: 130px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-top: 26px;
  padding-bottom: 26px;
}

.footer-inner p {
  max-width: 720px;
  margin-bottom: 0;
  font-size: 12px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--amber-soft);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.page-main {
  min-height: 630px;
}

.page-title {
  padding: 84px 0 72px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.page-title h1 {
  margin-bottom: 0;
  font-size: clamp(46px, 7vw, 78px);
}

.content {
  width: min(850px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 110px;
}

.content p,
.content li {
  color: var(--muted);
  font-size: 16px;
}

.content h2 {
  margin-top: 42px;
  margin-bottom: 12px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.content strong {
  color: var(--deep);
}

.form-panel {
  max-width: 570px;
  margin-top: 30px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--amber);
}

.form-panel form {
  display: grid;
  gap: 10px;
}

.form-panel label {
  color: var(--deep);
  font-size: 13px;
  font-weight: 800;
}

.form-panel input[type="email"] {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  color: var(--deep);
  background: var(--paper);
  border: 1px solid var(--line);
  font: inherit;
}

.form-panel .button {
  justify-self: start;
  margin-top: 8px;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .nav-links {
    justify-content: flex-start;
    gap: 12px 16px;
  }

  .hero,
  .reset-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 65px;
    padding-top: 65px;
  }

  .signal-card {
    width: min(100%, 520px);
  }

  .intro-grid,
  .signals-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .signals-heading h2 {
    margin-bottom: 35px;
  }

  .reset-grid {
    gap: 52px;
  }

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

@media (max-width: 620px) {
  .shell {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: clamp(42px, 15vw, 70px);
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
    padding-bottom: 70px;
  }

  .signal-card {
    box-shadow: 10px 12px 0 var(--amber-soft);
  }

  .intro-band,
  .reset-section,
  .signals {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .principles {
    padding-bottom: 70px;
  }

  .principle-row {
    grid-template-columns: 44px 1fr;
    gap: 10px;
  }

  .principle-tag {
    grid-column: 2;
    justify-self: start;
  }

  .signal-notes {
    grid-template-columns: 1fr;
  }

  .signal-notes article {
    min-height: auto;
  }

  .signal-notes h3 {
    margin-top: 30px;
  }

  .content {
    width: min(100% - 28px, 850px);
    padding-top: 54px;
    padding-bottom: 78px;
  }

  .page-title {
    padding-top: 58px;
    padding-bottom: 52px;
  }
}