:root {
  color-scheme: light;
  --ink: #16201f;
  --muted: #5d6b67;
  --paper: #f6faf8;
  --white: #ffffff;
  --line: #d8e4df;
  --teal: #006f6a;
  --teal-dark: #064a45;
  --coral: #d85d4a;
  --gold: #c79b36;
  --shadow: 0 20px 56px rgba(16, 32, 30, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.cop-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgba(216, 228, 223, 0.72);
  padding: 14px clamp(18px, 5vw, 72px);
  background: rgba(246, 250, 248, 0.9);
  backdrop-filter: blur(16px);
}

.cop-brand,
.cop-header nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cop-brand {
  text-decoration: none;
  font-weight: 700;
}

.cop-brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--teal-dark);
  font-size: 0.82rem;
}

.cop-header nav a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

.cop-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: 74vh;
  padding: clamp(48px, 7vw, 92px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(6, 74, 69, 0.11), rgba(216, 93, 74, 0.06)),
    var(--paper);
}

.cop-hero-copy {
  max-width: 920px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.hero-lead,
.section-heading p,
.split-section p,
.closing-section p {
  max-width: 780px;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.14rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 700;
  text-decoration: none;
}

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

.button.primary.dark {
  background: var(--teal-dark);
}

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

.hero-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(22px, 4vw, 34px);
  background: var(--white);
  box-shadow: var(--shadow);
}

.panel-label {
  margin-bottom: 8px;
  color: var(--muted);
  font-weight: 700;
}

.hero-panel strong {
  display: block;
  color: var(--teal-dark);
  font-size: clamp(1.28rem, 2.2vw, 1.7rem);
  line-height: 1.14;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.metric-grid span {
  display: grid;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  color: var(--muted);
  background: #fbfdfc;
  font-weight: 700;
}

.metric-grid b {
  color: var(--teal-dark);
  font-size: 1.32rem;
  line-height: 1;
}

.section {
  padding: clamp(52px, 7vw, 88px) clamp(18px, 5vw, 72px);
}

.cop-visual-section {
  padding: clamp(24px, 4vw, 44px) clamp(18px, 5vw, 72px);
  background: var(--white);
}

.cop-visual-section img {
  display: block;
  width: 100%;
  max-width: 1240px;
  height: auto;
  max-height: 620px;
  margin: 0 auto;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: var(--shadow);
}

.letter-section {
  background: #0d1917;
  color: var(--white);
}

.letter-copy {
  max-width: 980px;
  margin: 0 auto;
}

.letter-copy h2 {
  max-width: 920px;
}

.letter-copy p {
  max-width: 820px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
}

.letter-copy .eyebrow {
  color: #f0c56b;
}

.letter-callout {
  max-width: 820px;
  margin-top: 28px;
  border-left: 4px solid var(--gold);
  border-radius: 0 8px 8px 0;
  padding: 18px 20px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  font-weight: 700;
  line-height: 1.35;
}

.offer-section {
  background: var(--paper);
}

.section-heading {
  max-width: 940px;
  margin-bottom: 30px;
}

.pain-section {
  background: var(--white);
}

.pain-grid,
.benefit-grid,
.audience-grid,
.objection-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

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

.pain-grid article,
.benefit-card,
.check-panel,
.step-row article,
.message-card,
.audience-card,
.objection-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(18, 36, 33, 0.08);
}

.pain-grid article {
  padding: 26px;
}

.pain-grid article:first-child {
  background: #fff8f5;
}

.pain-grid article:last-child {
  background: #f4fbf8;
}

.pain-grid span,
.card-number,
.audience-card span,
.step-row span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.benefit-card {
  padding: 24px;
}

.benefit-card p,
.step-row p,
.message-card p,
.audience-card p,
.pain-grid p,
.objection-list p {
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(26px, 5vw, 64px);
  align-items: start;
  background: var(--paper);
}

.check-panel {
  padding: clamp(22px, 4vw, 32px);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--teal);
}

.framework-section {
  background: #edf5f2;
}

.invitation-formula {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 18px;
  margin-bottom: 22px;
}

.framework-section .formula-steps article,
.framework-section .formula-example {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(18, 36, 33, 0.08);
}

.framework-section .formula-steps span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 700;
}

.framework-section .formula-steps p,
.framework-section .formula-example .panel-label,
.framework-section .formula-example .message-text {
  color: var(--muted);
}

.scripts-section {
  background: var(--white);
}

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

.audience-card {
  display: flex;
  min-height: 420px;
  flex-direction: column;
  padding: 24px;
}

.audience-note {
  font-weight: 700;
}

.audience-card .message-text {
  flex: 1;
  margin-top: 8px;
}

.step-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.step-row article {
  padding: 24px;
}

.objection-section {
  background: #10201e;
  color: var(--white);
}

.objection-section .section-heading p,
.objection-section .eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

.objection-formula {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 18px;
  margin-bottom: 22px;
}

.formula-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.formula-steps article,
.formula-example {
  border: 1px solid rgba(216, 228, 223, 0.22);
  border-radius: 8px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
}

.formula-steps span {
  display: inline-flex;
  margin-bottom: 10px;
  color: #f0c56b;
  font-size: 0.82rem;
  font-weight: 700;
}

.formula-steps p,
.formula-example .panel-label {
  color: rgba(255, 255, 255, 0.74);
}

.formula-example .message-text {
  color: rgba(255, 255, 255, 0.9);
}

.objection-list article {
  padding: 24px;
  color: var(--ink);
}

.invite-section {
  background: var(--white);
}

.message-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.message-card {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: 24px;
}

.message-text {
  flex: 1;
  border-left: 4px solid var(--gold);
  padding-left: 16px;
}

.copy-button {
  display: inline-flex;
  min-height: 46px;
  width: fit-content;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--white);
  background: var(--teal-dark);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.copy-button.copied {
  background: var(--coral);
}

.closing-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: #0b1715;
  color: var(--white);
}

.closing-section p,
.closing-section .eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

.cop-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.84);
  background: #101a19;
}

.cop-footer a {
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 1080px) {
  .cop-hero,
  .split-section,
  .benefit-grid,
  .audience-grid,
  .invitation-formula,
  .objection-formula,
  .step-row,
  .message-grid,
  .objection-list {
    grid-template-columns: 1fr;
  }

  .cop-hero {
    min-height: auto;
  }

  .hero-panel {
    max-width: 680px;
  }

  .closing-section {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 760px) {
  .cop-header {
    position: static;
  }

  .cop-header nav {
    display: none;
  }

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

  .formula-steps {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 3.25rem);
  }

  h2 {
    font-size: clamp(1.6rem, 7.4vw, 2.35rem);
  }
}

@media (max-width: 560px) {
  .cop-hero {
    padding-top: 46px;
  }

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

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