:root {
  --ink: #17201b;
  --muted: #65706a;
  --line: #d8ded8;
  --paper: #f7f8f5;
  --panel: #ffffff;
  --green: #1f6f4a;
  --green-dark: #13452f;
  --blue: #245c88;
  --amber: #c47a2c;
  --shadow: 0 18px 45px rgba(28, 39, 32, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(216, 222, 216, 0.86);
  background: rgba(247, 248, 245, 0.94);
  backdrop-filter: blur(12px);
}

.brand,
.nav-links,
.proof-row,
.hero-actions,
.control-row,
.output-toolbar,
.footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 6px;
  background: var(--green-dark);
  color: white;
  font-size: 13px;
  letter-spacing: 0;
}

.nav-links {
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.header-cta {
  border: 1px solid var(--green);
  border-radius: 6px;
  padding: 9px 14px;
  color: var(--green-dark);
  font-weight: 700;
  font-size: 14px;
}

.section,
.section-band {
  padding: 76px clamp(18px, 4vw, 56px);
}

.section {
  max-width: 1240px;
  margin: 0 auto;
}

.section-band {
  border-bottom: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.72fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: min(720px, calc(100vh - 66px));
  padding-top: clamp(38px, 6vh, 62px);
  padding-bottom: clamp(38px, 6vh, 62px);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.5), rgba(255,255,255,0)),
    repeating-linear-gradient(0deg, rgba(31,111,74,0.035), rgba(31,111,74,0.035) 1px, transparent 1px, transparent 36px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-size: clamp(40px, 5.3vw, 68px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 3.3vw, 44px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.hero-lede,
.section-heading p {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 26px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 12px 18px;
  font-weight: 800;
  cursor: pointer;
}

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

.button.secondary {
  border-color: var(--line);
  background: white;
}

.button.full {
  width: 100%;
}

.proof-row {
  flex-wrap: wrap;
  gap: 10px;
}

.proof-row div {
  min-width: 154px;
  border-left: 3px solid var(--amber);
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.6);
}

.proof-row strong,
.proof-row span {
  display: block;
}

.proof-row span {
  color: var(--muted);
  font-size: 13px;
}

.hero-panel,
.sequence-output,
.simulator,
.roi-card,
.price-card,
.steps article,
.use-case-grid article,
details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.hero-panel {
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-header,
.lead-meta,
.output-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.panel-header {
  border-bottom: 1px solid var(--line);
  padding: 14px 16px;
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #18a15f;
}

.lead-card {
  padding: 22px;
}

.lead-meta {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.message-stack {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.message-stack p {
  margin: 0;
  border-left: 3px solid var(--blue);
  background: #f2f6f7;
  padding: 12px;
  font-size: 14px;
}

.section-heading {
  margin-bottom: 30px;
}

.demo-grid,
.roi-grid,
.intake,
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
}

.simulator,
.sequence-output {
  padding: 20px;
}

label {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cbd3cc;
  border-radius: 6px;
  background: white;
  color: var(--ink);
  font: inherit;
  padding: 11px 12px;
}

textarea {
  resize: vertical;
}

.control-row {
  gap: 12px;
}

.control-row label {
  flex: 1;
}

.output-toolbar {
  margin-bottom: 16px;
  font-weight: 800;
}

.output-toolbar button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  padding: 8px 12px;
  cursor: pointer;
}

.sequence-result {
  display: grid;
  gap: 12px;
}

.sequence-step {
  border-left: 4px solid var(--green);
  background: #f4f7f3;
  padding: 13px;
}

.sequence-step strong {
  display: block;
  margin-bottom: 5px;
}

.compact {
  padding-top: 46px;
  padding-bottom: 46px;
}

.split {
  align-items: start;
}

.split > div {
  border-top: 2px solid var(--green);
  padding-top: 16px;
}

.steps,
.pricing-grid,
.use-case-grid,
.faq-grid {
  display: grid;
  gap: 16px;
}

.steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.steps article,
.use-case-grid article,
.price-card {
  padding: 20px;
}

.steps span {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--green);
  font-weight: 900;
}

.accent {
  max-width: none;
  background: #eaf0eb;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.accent > * {
  max-width: 1130px;
  margin-left: auto;
  margin-right: auto;
}

.roi-controls {
  display: grid;
  gap: 12px;
}

.roi-controls label {
  margin: 0;
}

.roi-card {
  padding: 26px;
}

.roi-card p {
  color: var(--muted);
  margin-bottom: 8px;
}

.roi-card strong {
  display: block;
  margin-bottom: 20px;
  font-size: 42px;
  line-height: 1;
}

.roi-card .roi-note {
  margin-bottom: 0;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card.featured {
  border-color: var(--green);
  box-shadow: var(--shadow);
}

.badge {
  display: inline-block;
  border-radius: 4px;
  background: #dce9df;
  color: var(--green-dark);
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 900;
}

.price {
  margin-bottom: 8px;
  color: var(--green-dark);
  font-size: 42px;
  font-weight: 900;
}

.price span {
  color: var(--muted);
  font-size: 16px;
}

ul {
  margin: 18px 0 0;
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

.setup-note {
  margin-top: 18px;
  color: var(--muted);
}

.use-case-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.intake {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--green-dark);
  color: white;
  padding: 28px;
}

.intake .eyebrow,
.intake p {
  color: #dbeee3;
}

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

.intake-form input,
.intake-form select {
  margin: 0;
}

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

details {
  padding: 18px;
}

summary {
  cursor: pointer;
  font-weight: 900;
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
}

.footer {
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding: 28px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 920px) {
  .nav-links {
    display: none;
  }

  .hero,
  .demo-grid,
  .roi-grid,
  .intake,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    align-items: start;
  }

  .steps,
  .pricing-grid,
  .use-case-grid,
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: center;
  }

  .header-cta {
    display: none;
  }

  .section,
  .section-band {
    padding: 52px 16px;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
    padding-bottom: 38px;
  }

  h1 {
    font-size: 38px;
    line-height: 1.03;
  }

  .control-row,
  .proof-row,
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .steps,
  .pricing-grid,
  .use-case-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }
}
