:root {
  --ink: #17211f;
  --muted: #5d6865;
  --line: #dce4df;
  --paper: #fbfcf9;
  --soft: #eef5ef;
  --mint: #d7efdf;
  --green: #1f6f4a;
  --green-dark: #12472f;
  --clay: #c96f44;
  --gold: #e2b64c;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(23, 33, 31, 0.14);
}

@font-face {
  font-family: "LandingSans";
  src: local("Segoe UI"), local("Arial");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "LandingSans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.site-header {
  min-height: 88vh;
  background:
    radial-gradient(circle at 72% 42%, rgba(226, 182, 76, 0.22), transparent 24%),
    linear-gradient(120deg, rgba(31, 111, 74, 0.14), transparent 42%),
    linear-gradient(180deg, var(--white), var(--soft));
  border-bottom: 1px solid var(--line);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 8px 20px rgba(31, 111, 74, 0.24);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.hero {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 88px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: 56px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 24px;
  font-size: clamp(2.25rem, 4.35vw, 4.35rem);
  line-height: 1;
  letter-spacing: 0;
  hyphens: none;
  overflow-wrap: normal;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.8rem, 3vw, 3.15rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.18rem;
  line-height: 1.2;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--green);
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: var(--white);
  background: var(--green);
}

.button.secondary {
  color: var(--green-dark);
  background: transparent;
}

.impulse-graphic {
  position: relative;
  min-height: 430px;
  border: 2px solid rgba(18, 71, 47, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.72) 1px, transparent 1px) 0 0 / 25% 100%,
    linear-gradient(180deg, rgba(255,255,255,0.78) 1px, transparent 1px) 0 0 / 100% 25%,
    linear-gradient(135deg, #12472f, #1f6f4a 54%, #c96f44);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.axis,
.vector,
.dot,
.pulse {
  position: absolute;
  display: block;
}

.axis.horizontal {
  left: 12%;
  right: 12%;
  top: 50%;
  height: 2px;
  background: rgba(255,255,255,0.68);
}

.axis.vertical {
  top: 14%;
  bottom: 14%;
  left: 24%;
  width: 2px;
  background: rgba(255,255,255,0.42);
}

.dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 10px rgba(226, 182, 76, 0.2);
}

.dot.start {
  left: 22%;
  top: 48%;
}

.dot.mid {
  left: 48%;
  top: 38%;
}

.dot.end {
  right: 18%;
  top: 24%;
}

.vector {
  left: 27%;
  top: 45%;
  width: 48%;
  height: 9px;
  border-radius: 999px;
  background: rgba(255,255,255,0.92);
  transform: rotate(-21deg);
  transform-origin: left center;
}

.vector::after {
  content: "";
  position: absolute;
  right: -3px;
  top: 50%;
  width: 24px;
  height: 24px;
  border-top: 9px solid rgba(255,255,255,0.92);
  border-right: 9px solid rgba(255,255,255,0.92);
  transform: translateY(-50%) rotate(45deg);
}

.pulse {
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 50%;
}

.pulse.one {
  width: 90px;
  height: 90px;
  left: 18%;
  top: 40%;
}

.pulse.two {
  width: 150px;
  height: 150px;
  left: 38%;
  top: 22%;
}

.pulse.three {
  width: 220px;
  height: 220px;
  right: 6%;
  top: 6%;
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 88px 0;
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  border-bottom: 1px solid var(--line);
}

.text-stack {
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-grid article,
.fact-box,
.search-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.info-grid p,
.fact-box li,
.search-box p {
  color: var(--muted);
}

.card-number {
  width: 42px;
  height: 42px;
  margin-bottom: 20px;
  display: grid;
  place-items: center;
  color: var(--green-dark);
  background: var(--mint);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 900;
}

.examples {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 36px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.examples-copy p {
  color: var(--muted);
  font-size: 1.06rem;
}

.search-box {
  border-color: rgba(226, 182, 76, 0.55);
  background: #fff9e9;
}

.mv-panel {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 90px max(16px, calc((100% - 1120px) / 2));
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 36px;
  align-items: start;
  color: var(--white);
  background: var(--green-dark);
}

.mv-panel .section-kicker,
.mv-panel a {
  color: var(--mint);
}

.mv-panel p {
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.06rem;
}

.mv-panel .button.primary {
  margin-top: 14px;
  color: var(--green-dark);
  background: var(--mint);
  border-color: var(--mint);
}

.fact-box {
  color: var(--ink);
  background: var(--white);
}

.fact-box ul,
.sources ul {
  margin: 0;
  padding-left: 20px;
}

.fact-box li + li,
.sources li + li {
  margin-top: 10px;
}

.faq-section {
  padding-top: 72px;
}

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

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

.faq-section summary {
  cursor: pointer;
  padding: 18px 4px;
  color: var(--green-dark);
  font-weight: 900;
}

.faq-section details p {
  max-width: 860px;
  margin: 0;
  padding: 0 4px 20px;
  color: var(--muted);
}

.sources {
  padding-top: 40px;
}

.sources h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

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

.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 38px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
  font-weight: 800;
  color: var(--ink);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

@media (max-width: 880px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero,
  .split,
  .examples,
  .mv-panel,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 44px;
  }

  .impulse-graphic {
    min-height: 330px;
  }
}

@media (max-width: 600px) {
  .site-header {
    min-height: auto;
  }

  .section {
    padding: 58px 0;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .impulse-graphic {
    min-height: 280px;
  }

  .vector {
    width: 44%;
  }
}