:root {
  --sage: #4A7C59;
  --sage-dark: #3B6347;
  --sage-deeper: #2D4E37;
  --sage-light: #DCE9DF;
  --sage-mist: #EEF4EF;
  --amber: #C8873E;
  --cream: #FDFAF6;
  --cream-dark: #F3EDE3;
  --warm-dark: #1A1917;
  --text: #2C2825;
  --text-secondary: #6B6460;
  --text-muted: #9E9590;
  --border: #E5DDD3;
  --shadow-sm: 0 1px 2px rgba(44, 40, 37, 0.04);
  --shadow-md: 0 4px 12px rgba(44, 40, 37, 0.07);
  --shadow-lg: 0 8px 30px rgba(44, 40, 37, 0.09);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Outfit', -apple-system, sans-serif;
  --max-width: 1140px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--cream);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Scroll Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.stagger.is-visible > *:nth-child(2) { transition-delay: 0.07s; }
.stagger.is-visible > *:nth-child(3) { transition-delay: 0.14s; }
.stagger.is-visible > *:nth-child(4) { transition-delay: 0.21s; }
.stagger.is-visible > *:nth-child(5) { transition-delay: 0.28s; }
.stagger.is-visible > *:nth-child(6) { transition-delay: 0.35s; }

.stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(26, 25, 23, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  color: #FFF;
  text-decoration: none;
  letter-spacing: -0.03em;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 30px;
  background: var(--sage);
  color: #FFF;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn:hover {
  background: var(--sage-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(74, 124, 89, 0.3);
}

.btn:active { transform: translateY(0); }

.btn-sm {
  padding: 9px 22px;
  font-size: 14px;
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--sage);
  color: var(--sage);
}

.btn-outline:hover {
  background: var(--sage);
  color: #FFF;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ============ HERO ============ */
.hero {
  background: var(--warm-dark);
  padding: 170px 0 130px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(74, 124, 89, 0.1) 0%, transparent 65%);
  pointer-events: none;
}

.hero-content {
  max-width: 740px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 66px);
  font-weight: 600;
  color: #FFF;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.highlight {
  color: var(--sage-light);
  font-style: italic;
}

.hero-subtitle {
  font-size: clamp(17px, 2vw, 20px);
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
  margin-bottom: 48px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 300;
}

/* ============ WAITLIST FORM ============ */
.waitlist-form {
  max-width: 460px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  gap: 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 5px;
  transition: border-color 0.3s;
}

.form-row:focus-within {
  border-color: rgba(74, 124, 89, 0.4);
}

.input {
  flex: 1;
  padding: 13px 16px;
  border: none;
  border-radius: var(--radius-xs);
  background: transparent;
  color: #FFF;
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
}

.input::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-note {
  margin-top: 14px;
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  font-weight: 300;
}

.form-success {
  margin-top: 14px;
  font-size: 15px;
  color: var(--sage-light);
  font-weight: 500;
}

.form-error {
  margin-top: 12px;
  font-size: 14px;
  color: #E5634E;
}

/* ============ SECTIONS ============ */
.section {
  padding: 120px 0;
}

.section-eyebrow {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--sage);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 56px;
  max-width: 620px;
}

/* ============ PROBLEM ============ */
.problem {
  background: var(--cream);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 72px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--border);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 600;
  color: var(--sage);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -0.04em;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.4;
  font-weight: 400;
}

.pain-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pain-card {
  background: #FFF;
  padding: 36px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, border-color 0.3s;
}

.pain-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--sage-light);
}

.pain-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.pain-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  font-weight: 300;
}

/* ============ HOW IT WORKS ============ */
.how-it-works {
  background: var(--cream-dark);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 30px;
  left: calc(16.67% + 28px);
  right: calc(16.67% + 28px);
  height: 1px;
  background: var(--border);
}

.step { position: relative; }

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--sage);
  color: #FFF;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  font-weight: 300;
}

/* ============ FEATURES ============ */
.features {
  background: var(--cream);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: #FFF;
  padding: 36px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--sage-light);
  transform: translateY(-4px);
}

.feature-card::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sage);
  margin-bottom: 22px;
  opacity: 0.7;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

/* ============ RESEARCH ============ */
.research {
  background: var(--sage-deeper);
  color: #FFF;
}

.research .section-eyebrow {
  color: var(--sage-light);
}

.research .section-title {
  color: #FFF;
  max-width: 680px;
}

.research-block {
  max-width: 760px;
}

.research-detail {
  margin-bottom: 44px;
}

blockquote {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 400;
  color: rgba(255,255,255,0.88);
  line-height: 1.5;
  border-left: 3px solid var(--sage-light);
  padding-left: 28px;
  margin-bottom: 16px;
  font-style: italic;
}

.research-source {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  padding-left: 31px;
  font-weight: 300;
}

.research-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.method-tag {
  display: inline-block;
  padding: 7px 18px;
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.65);
  border-radius: 24px;
  font-size: 13px;
  font-weight: 400;
  border: 1px solid rgba(255,255,255,0.08);
}

.research-note {
  font-size: 16px;
  color: rgba(255,255,255,0.4);
  font-style: italic;
  font-weight: 300;
}

/* ============ PRICING ============ */
.pricing {
  background: var(--cream-dark);
}

.pricing .section-title {
  text-align: center;
  max-width: 100%;
}

.pricing .section-eyebrow {
  text-align: center;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 820px;
  margin: 0 auto 28px;
}

.pricing-card {
  background: #FFF;
  border-radius: var(--radius);
  padding: 44px 36px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: box-shadow 0.3s;
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
}

.pricing-card-featured {
  border-color: var(--sage);
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -13px;
  left: 36px;
  background: var(--sage);
  color: #FFF;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pricing-header {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.03em;
}

.price-period {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 300;
}

.price-annual {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 300;
}

.pricing-features {
  list-style: none;
  margin-bottom: 36px;
  flex: 1;
}

.pricing-features li {
  padding: 9px 0 9px 22px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 300;
  position: relative;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sage-light);
}

.pricing-card .btn,
.pricing-card .btn-outline {
  width: 100%;
}

.pricing-trial {
  text-align: center;
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 300;
}

/* ============ FAQ ============ */
.faq {
  background: var(--cream);
}

.faq .section-title {
  text-align: center;
  max-width: 100%;
  margin-bottom: 48px;
}

.faq .section-eyebrow {
  text-align: center;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  padding: 22px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}

.faq-item summary:hover {
  color: var(--sage-dark);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  font-weight: 300;
  color: var(--text-muted);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
  margin-left: 16px;
  width: 24px;
  text-align: center;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding-bottom: 22px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

/* ============ CTA ============ */
.cta {
  background: var(--warm-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(74, 124, 89, 0.08) 0%, transparent 65%);
  pointer-events: none;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 600;
  color: #FFF;
  line-height: 1.12;
  margin-bottom: 16px;
  letter-spacing: -0.025em;
}

.cta-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.45);
  margin-bottom: 40px;
  font-weight: 300;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--warm-dark);
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 44px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand p {
  font-size: 13px;
  color: rgba(255,255,255,0.25);
  margin-top: 4px;
  font-weight: 300;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.3);
  text-decoration: none;
  transition: color 0.2s;
  font-weight: 300;
}

.footer-links a:hover {
  color: #FFF;
}

.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.2);
  font-weight: 300;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .hero {
    padding: 130px 0 88px;
  }

  .form-row {
    flex-direction: column;
    padding: 8px;
  }

  .form-row .btn {
    width: 100%;
  }

  .stats-row {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 48px;
    padding-bottom: 48px;
  }

  .pain-cards,
  .steps,
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .steps::before {
    display: none;
  }

  .pricing-cards {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 80px 0;
  }

  .section-title {
    margin-bottom: 40px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}