:root {
  color-scheme: light;
  --ink: #101512;
  --muted: #66716a;
  --soft: #f6f8f4;
  --paper: #fbfcf8;
  --line: #dce4dc;
  --green: #176b4c;
  --green-dark: #123f31;
  --green-soft: #e6f1eb;
  --accent: #b96545;
  --white: #ffffff;
  --shadow: 0 26px 70px rgba(16, 21, 18, 0.12);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(220, 228, 220, 0.35) 1px, transparent 1px) 0 0 / 96px 96px,
    var(--paper);
}

button,
input {
  font: inherit;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(251, 252, 248, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand,
.header-cta,
.secondary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  white-space: nowrap;
  font-weight: 820;
}

.brand {
  min-height: 40px;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--green-dark);
  border-radius: 9px;
  box-shadow: 0 10px 24px rgba(18, 63, 49, 0.18);
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 720;
}

nav a:hover {
  color: var(--green);
}

.header-cta,
.secondary-cta,
.waitlist-form button {
  min-height: 44px;
  padding: 0 18px;
  color: var(--white);
  background: var(--green-dark);
  border: 0;
  border-radius: 9px;
  cursor: pointer;
  transition:
    transform 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.header-cta:hover,
.secondary-cta:hover,
.waitlist-form button:hover {
  background: var(--green);
  box-shadow: 0 14px 32px rgba(23, 107, 76, 0.2);
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 1.06fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
  min-height: calc(100dvh - 68px);
  padding: clamp(44px, 5vw, 72px) clamp(18px, 4vw, 56px) clamp(40px, 6vw, 80px);
  overflow: hidden;
}

.hero-copy {
  max-width: 760px;
}

.launch-label,
.section-label {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  margin-bottom: 18px;
  color: var(--green-dark);
  background: var(--green-soft);
  border: 1px solid rgba(23, 107, 76, 0.16);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(3.3rem, 7vw, 6.7rem);
  font-weight: 880;
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  max-width: 920px;
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.65vw, 4.05rem);
  font-weight: 850;
  line-height: 1.03;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.16rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.hero-text {
  max-width: 630px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.5vw, 1.24rem);
  line-height: 1.55;
}

.waitlist-form {
  max-width: 650px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 18px 48px rgba(16, 21, 18, 0.08);
}

.waitlist-form label,
.waitlist-form legend {
  font-size: 0.94rem;
  font-weight: 820;
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 10px;
}

.waitlist-form input[type="email"] {
  width: 100%;
  min-height: 52px;
  padding: 0 15px;
  color: var(--ink);
  background: #f8faf6;
  border: 1px solid var(--line);
  border-radius: 9px;
  outline: none;
}

.waitlist-form input[type="email"]:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(23, 107, 76, 0.12);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.waitlist-form button {
  min-height: 52px;
  font-weight: 840;
}

.waitlist-form button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

fieldset {
  padding: 0;
  margin: 16px 0 0;
  border: 0;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.choice-grid label {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 10px;
  color: var(--muted);
  background: #f8faf6;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 0.9rem;
  font-weight: 760;
}

.form-status {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--green);
  font-weight: 780;
}

.hero-media {
  min-width: 0;
  margin: 0;
}

.hero-media img {
  display: block;
  width: min(820px, 116%);
  max-width: none;
  margin-left: -2%;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.manifesto,
.principles,
.product-preview,
.outcomes,
.audience,
.benefits,
.faq {
  padding: clamp(64px, 8vw, 112px) clamp(18px, 4vw, 56px);
}

.manifesto {
  color: var(--white);
  background: var(--green-dark);
}

.manifesto-inner {
  max-width: 1120px;
}

.manifesto .section-label {
  color: var(--green-dark);
  background: #d7eadf;
  border-color: rgba(255, 255, 255, 0.1);
}

.manifesto h2 {
  max-width: 1040px;
}

.manifesto p:last-child {
  max-width: 820px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: clamp(1.08rem, 1.5vw, 1.22rem);
  line-height: 1.7;
}

.section-intro {
  max-width: 820px;
  margin-bottom: 42px;
}

.section-intro.narrow {
  max-width: 720px;
}

.section-intro p:last-child,
.preview-copy p,
.benefits-copy p {
  max-width: 680px;
  color: var(--muted);
  line-height: 1.65;
}

.principles {
  background: var(--paper);
}

.principle-list {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1fr);
  gap: 0 40px;
  max-width: 1180px;
  border-top: 1px solid var(--line);
}

.principle-list article {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
  grid-column: 1 / -1;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.principle-list span {
  color: var(--ink);
  font-size: clamp(1.18rem, 2vw, 1.6rem);
  font-weight: 820;
  line-height: 1.15;
}

.principle-list p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.product-preview {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  background: var(--soft);
}

.preview-copy {
  position: sticky;
  top: 96px;
  max-width: 520px;
}

.demo-panel {
  min-height: 430px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 22px 58px rgba(16, 21, 18, 0.08);
}

.demo-toolbar {
  display: flex;
  gap: 8px;
  padding: 14px;
  background: #f8faf6;
  border-bottom: 1px solid var(--line);
}

.demo-toolbar button,
.answer-list button {
  min-height: 42px;
  padding: 0 14px;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  font-weight: 790;
}

.demo-toolbar button.active,
.answer-list button.correct {
  color: var(--green-dark);
  background: var(--green-soft);
  border-color: rgba(23, 107, 76, 0.2);
}

.demo-content {
  display: none;
  max-width: 760px;
  padding: clamp(28px, 4vw, 52px);
}

.demo-content.active {
  display: block;
}

.timestamp {
  margin-bottom: 14px;
  color: var(--accent) !important;
  font-size: 0.82rem;
  font-weight: 840;
}

.demo-content p,
.demo-content li {
  color: var(--muted);
  line-height: 1.62;
}

.demo-content ul {
  padding-left: 20px;
  margin-bottom: 0;
}

.answer-list {
  display: grid;
  gap: 10px;
  max-width: 460px;
  margin-top: 22px;
}

.answer-list button {
  text-align: left;
  background: #f8faf6;
  border-color: var(--line);
}

.review-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.review-stack span {
  padding: 12px 14px;
  color: var(--green-dark);
  background: var(--green-soft);
  border: 1px solid rgba(23, 107, 76, 0.18);
  border-radius: 9px;
  font-weight: 800;
}

.outcomes {
  background: var(--paper);
}

.outcomes .section-intro h2,
.audience .section-intro h2,
.benefits h2,
.faq .section-intro h2 {
  max-width: 760px;
}

.outcome-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr 0.9fr;
  gap: 14px;
}

.outcome-grid article,
.audience-grid article,
.benefit-list article,
.faq-list article {
  padding: clamp(22px, 2.5vw, 32px);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.outcome-grid article:nth-child(3) {
  color: var(--white);
  background: var(--green-dark);
  border-color: var(--green-dark);
}

.outcome-grid article:nth-child(3) p {
  color: rgba(255, 255, 255, 0.76);
}

.outcome-grid p,
.audience-grid p,
.benefit-list p,
.faq-list p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.62;
}

.audience {
  background: var(--soft);
}

.audience-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 0.85fr;
  gap: 14px;
}

.benefits {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  background: var(--paper);
}

.benefits-copy {
  max-width: 560px;
}

.benefit-list {
  display: grid;
  gap: 14px;
}

.benefit-list article {
  display: grid;
  grid-template-columns: minmax(170px, 0.38fr) minmax(0, 1fr);
  gap: 24px;
}

.faq {
  background: var(--soft);
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 4vw, 56px);
  color: var(--muted);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

footer .brand {
  color: var(--ink);
}

@media (max-width: 980px) {
  nav {
    display: none;
  }

  .hero,
  .product-preview,
  .benefits {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  h1 {
    font-size: clamp(3.1rem, 12vw, 5.6rem);
  }

  .hero-media img {
    width: 100%;
    margin-left: 0;
  }

  .preview-copy {
    position: static;
  }

  .outcome-grid,
  .audience-grid,
  .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 12px 16px;
  }

  .header-cta {
    display: none;
  }

  .hero,
  .manifesto,
  .principles,
  .product-preview,
  .outcomes,
  .audience,
  .benefits,
  .faq {
    padding-right: 16px;
    padding-left: 16px;
  }

  .form-row,
  .choice-grid,
  .principle-list,
  .principle-list article,
  .outcome-grid,
  .audience-grid,
  .benefits,
  .benefit-list article,
  .faq-list {
    grid-template-columns: 1fr;
  }

  .waitlist-form button,
  .secondary-cta {
    width: 100%;
  }

  .demo-toolbar {
    overflow-x: auto;
  }

  .demo-toolbar button {
    flex: 1 0 112px;
  }

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