:root {
  --ink: #14231d;
  --muted: #5d6964;
  --paper: #f4f0e7;
  --paper-deep: #e9e3d6;
  --green: #0d6d4c;
  --green-bright: #28b47e;
  --line: rgba(20, 35, 29, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 5%, rgba(40, 180, 126, 0.09), transparent 29rem),
    var(--paper);
  font-family: "DM Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-header,
main,
footer {
  width: min(1220px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-mark {
  width: 16px;
  height: 16px;
  display: inline-block;
  border: 4px solid var(--green);
  border-top-color: var(--green-bright);
  border-radius: 50%;
  transform: rotate(-24deg);
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--green);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-bright);
  box-shadow: 0 0 0 4px rgba(40, 180, 126, 0.12);
}

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.22fr 0.78fr;
  gap: clamp(60px, 9vw, 132px);
  align-items: center;
  padding: 76px 0 84px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
blockquote {
  font-family: "Newsreader", serif;
  font-weight: 500;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3.5rem, 6.25vw, 6.15rem);
  line-height: 0.95;
}

.dek {
  max-width: 690px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.7vw, 1.2rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
}

.hero-actions p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 3px;
  color: white;
  background: var(--green);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  background: #09583d;
  transform: translateY(-2px);
}

.signal-card {
  min-height: 440px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.34);
  box-shadow: 0 30px 80px rgba(38, 47, 42, 0.07);
}

.signal-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.signal-top p {
  margin: 0;
  font-weight: 700;
}

.signal-top span {
  color: var(--muted);
  font-size: 0.72rem;
}

.signal-visual {
  position: relative;
  height: 180px;
  margin: 38px 0 20px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.signal-line {
  position: absolute;
  width: 140%;
  height: 2px;
  left: -12%;
  border-radius: 50%;
  transform-origin: left center;
}

.signal-one {
  top: 128px;
  background: var(--green);
  transform: rotate(-12deg);
}

.signal-two {
  top: 118px;
  background: rgba(40, 180, 126, 0.45);
  transform: rotate(-4deg);
}

.signal-three {
  top: 138px;
  background: rgba(13, 109, 76, 0.2);
  transform: rotate(-20deg);
}

.signal-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 3px solid var(--paper);
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 1px var(--green);
}

.dot-one {
  left: 18%;
  bottom: 45px;
}

.dot-two {
  left: 52%;
  bottom: 83px;
}

.dot-three {
  right: 6%;
  top: 13px;
  background: var(--green-bright);
  box-shadow: 0 0 0 1px var(--green-bright);
}

.signal-scale {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.signal-scale div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.signal-scale strong {
  font-size: 0.68rem;
}

.signal-scale span {
  color: var(--muted);
  font-size: 0.7rem;
}

.signal-note {
  margin: 34px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.coverage {
  padding: 104px 0 110px;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 54px;
}

.section-heading .eyebrow {
  margin-bottom: 8px;
}

h2 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 1;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.topic-grid article {
  min-height: 280px;
  padding: 28px 26px 30px;
  border-right: 1px solid var(--line);
}

.topic-grid article:last-child {
  border-right: 0;
}

.topic-grid article > span {
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 700;
}

.topic-grid h3 {
  margin: 72px 0 16px;
  font-size: 1.05rem;
}

.topic-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.6;
}

.method {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(54px, 9vw, 132px);
  align-items: start;
  padding: 112px 0 120px;
  border-top: 1px solid var(--line);
}

.method-intro {
  position: sticky;
  top: 36px;
}

.method-intro h2 {
  max-width: 500px;
  font-size: clamp(2.7rem, 4.8vw, 4.7rem);
}

.method-intro > p:last-child {
  max-width: 500px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.7;
}

.story-preview {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 30px 80px rgba(38, 47, 42, 0.06);
}

.preview-header {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  font-size: 0.79rem;
  font-weight: 700;
}

.preview-label {
  padding: 7px 9px;
  border-radius: 2px;
  color: var(--green);
  background: rgba(40, 180, 126, 0.1);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.briefing-list li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 8px;
  padding: 27px 28px 29px;
  border-bottom: 1px solid var(--line);
}

.briefing-list li:last-child {
  border-bottom: 0;
}

.briefing-number {
  padding-top: 3px;
  color: var(--green);
  font-size: 0.67rem;
  font-weight: 700;
}

.briefing-list h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.briefing-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.6;
}

.promise {
  padding: 120px 0 130px;
  text-align: center;
}

.promise .eyebrow {
  margin-bottom: 30px;
}

blockquote {
  max-width: 950px;
  margin: 0 auto;
  font-size: clamp(2.55rem, 5.4vw, 5.3rem);
  line-height: 1.04;
}

.fine-print {
  max-width: 620px;
  margin: 36px auto 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

footer {
  min-height: 120px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

footer p {
  margin: 0;
}

footer p:last-child {
  text-align: right;
}

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

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 60px;
    padding-top: 64px;
  }

  .signal-card {
    max-width: 590px;
  }

  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .topic-grid article:nth-child(2) {
    border-right: 0;
  }

  .topic-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

  .method-intro {
    position: static;
  }

  .method-intro > p:last-child {
    max-width: 680px;
  }
}

@media (max-width: 600px) {
  .site-header,
  main,
  footer {
    width: min(100% - 30px, 1220px);
  }

  .site-header {
    min-height: 74px;
  }

  .status {
    font-size: 0;
  }

  .site-nav {
    display: none;
  }

  .hero {
    min-height: 0;
    padding: 54px 0 70px;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 4.4rem);
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .signal-card {
    min-height: 0;
    padding: 22px;
  }

  .signal-top span {
    display: none;
  }

  .section-heading {
    display: block;
  }

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

  .topic-grid article {
    min-height: 230px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .topic-grid article:last-child {
    border-bottom: 0;
  }

  .topic-grid h3 {
    margin-top: 46px;
  }

  .promise {
    padding: 90px 0;
  }

  .method {
    padding: 86px 0 90px;
  }

  .briefing-list li {
    grid-template-columns: 36px 1fr;
    padding-inline: 20px;
  }

  .preview-header {
    padding-inline: 20px;
  }

  footer {
    grid-template-columns: 1fr;
    padding: 34px 0;
  }

  footer p:last-child {
    text-align: left;
  }
}

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

  .button {
    transition: none;
  }

  .site-nav a {
    transition: none;
  }
}