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

:root {
  --bg-cream: #faf8f5;
  --bg-warm: #f5f0ea;
  --text-dark: #2C2418;
  --text-mid: #6B5D4F;
  --text-light: #9B8E7E;
  --accent-gold: #8B7355;
  --accent-gold-light: #c4b89e;
  --bg-dark: #2C2418;
  --white: #ffffff;

  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  --max-width: 960px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: var(--bg-cream);
  line-height: 1.6;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-warm) 100%);
  text-align: center;
  padding: 2rem 1.5rem;
}

.hero__container {
  max-width: 640px;
}

.hero__brand {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-gold);
  margin-bottom: 2rem;
}

.hero__rotating {
  position: relative;
  min-height: 140px;
  margin-bottom: 1.5rem;
}

.hero__scenario {
  opacity: 0;
  transition: opacity 0.6s ease;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}

.hero__scenario--active {
  opacity: 1;
  position: relative;
}

.hero__agent-line {
  font-size: 1rem;
  color: var(--text-mid);
  margin-bottom: 0.5rem;
}

.hero__human-line {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
}

.hero__anchor {
  font-size: 1rem;
  color: var(--accent-gold);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero__subtitle {
  font-size: 0.95rem;
  color: var(--text-mid);
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.hero__ctas {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  width: 100%;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn:hover {
  opacity: 0.85;
}

.btn--primary {
  background: var(--bg-dark);
  color: var(--white);
}

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

.hero__scroll-hint {
  font-size: 0.7rem;
  color: var(--text-light);
}

@media (max-width: 600px) {
  .hero {
    padding: 1.5rem 1rem;
  }

  .hero__human-line {
    font-size: 1.35rem;
  }

  .hero__rotating {
    min-height: 110px;
  }

  .hero__ctas {
    flex-direction: column;
    gap: 0.5rem;
  }

  .btn {
    width: 100%;
  }
}

/* ── Shared Section ── */
.section__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

@media (max-width: 600px) {
  .section__container {
    padding: 3rem 1rem;
  }
}

.section__title {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
}

@media (max-width: 600px) {
  .section__title {
    font-size: 1.25rem;
    margin-bottom: 2rem;
  }
}

/* ── How It Works ── */
.how-it-works {
  background: var(--white);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
}

.step {
  flex: 1;
  max-width: 240px;
  text-align: center;
}

.step__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  font-size: 1.25rem;
}

.step__title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step__desc {
  font-size: 0.8rem;
  color: var(--text-mid);
}

.steps__arrow {
  color: #ccc;
  font-size: 1.5rem;
  padding-top: 0.75rem;
}

@media (max-width: 600px) {
  .steps {
    flex-direction: column;
    align-items: center;
  }

  .steps__arrow {
    transform: rotate(90deg);
    padding-top: 0;
  }

  .step {
    max-width: 100%;
  }
}

/* ── Example ── */
.example {
  background: var(--bg-cream);
}

.example__header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.example__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
}

.example__subtitle {
  font-size: 0.9rem;
  color: var(--text-mid);
}

/* ── Timeline ── */
.timeline {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
}

.timeline__item {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
}

.timeline__icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.timeline__icon--dark {
  background: var(--bg-dark);
  color: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
}

.timeline__card {
  background: var(--white);
  border: 1px solid var(--bg-warm);
  border-radius: 10px;
  padding: 1rem;
  flex: 1;
  min-width: 0;
}

@media (max-width: 600px) {
  .timeline__card {
    padding: 0.75rem;
  }
}

.timeline__card--dark {
  background: var(--bg-dark);
  border-color: var(--bg-dark);
}

.timeline__role {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 0.35rem;
}

.timeline__role--light {
  color: var(--accent-gold-light);
}

.timeline__text {
  font-size: 0.85rem;
  color: var(--text-dark);
  margin-bottom: 0.35rem;
}

.timeline__text--light {
  color: var(--white);
}

.timeline__platform {
  font-size: 0.7rem;
  color: var(--accent-gold);
  font-style: italic;
  margin-bottom: 0.25rem;
}

.timeline__meta {
  font-size: 0.7rem;
  color: var(--text-light);
}

/* ── Audience Lanes ── */
.audiences {
  background: var(--white);
}

.lanes {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.lane {
  flex: 1;
  min-width: 280px;
  max-width: 420px;
  border-radius: 12px;
  padding: 2rem;
}

.lane--light {
  background: var(--bg-cream);
}

.lane--dark {
  background: var(--bg-dark);
}

.lane__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
}

.lane__label--dark {
  color: var(--accent-gold-light);
}

.lane__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.lane__title--dark {
  color: var(--white);
}

.lane__body {
  font-size: 0.85rem;
  color: var(--text-mid);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.lane__body--dark {
  color: #d4c9b8;
}

.lane__list {
  font-size: 0.8rem;
  line-height: 1.8;
  padding-left: 1rem;
  margin-bottom: 1rem;
}

.lane__list--dark {
  color: #e8e0d4;
}

.lane__roles {
  font-size: 0.75rem;
  color: var(--accent-gold);
  margin-bottom: 1.25rem;
}

.lane__roles--dark {
  color: var(--accent-gold-light);
}

.lane__form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lane__input {
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--bg-warm);
  font-size: 0.85rem;
  font-family: var(--font-main);
  background: var(--white);
  color: var(--text-dark);
}

.lane__input:focus {
  outline: 2px solid var(--accent-gold);
  outline-offset: 1px;
}

.lane__input--dark {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.lane__input--dark::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.lane__btn {
  margin-top: 0.5rem;
  width: 100%;
  text-align: center;
}

.btn--light {
  background: var(--white);
  color: var(--text-dark);
}

@media (max-width: 600px) {
  .lanes {
    flex-direction: column;
  }

  .lane {
    max-width: 100%;
  }
}

.lane__success {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-gold);
  text-align: center;
  padding: 1rem 0;
}

.lane--dark .lane__success {
  color: var(--accent-gold-light);
}

/* ── Badge Reveal ── */
.badge-reveal {
  background: var(--bg-dark);
  text-align: center;
}

.badge-reveal__container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.badge {
  border: 2.5px solid var(--accent-gold-light);
  border-radius: 12px;
  padding: 1.25rem 2.5rem;
  background: rgba(255, 255, 255, 0.05);
  margin-bottom: 1.5rem;
}

@media (max-width: 600px) {
  .badge {
    padding: 1rem 1.5rem;
  }
}

.badge__certified {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-gold-light);
  margin-bottom: 0.35rem;
}

.badge__name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
}

.badge__source {
  font-size: 0.65rem;
  color: var(--text-light);
  margin-top: 0.35rem;
}

.badge-reveal__headline {
  font-size: 1rem;
  color: #e8e0d4;
  margin-bottom: 0.5rem;
}

.badge-reveal__supporting {
  font-size: 0.8rem;
  color: var(--text-light);
  max-width: 400px;
}

@media (max-width: 600px) {
  .badge-reveal__headline {
    font-size: 0.9rem;
  }

  .badge-reveal__supporting {
    font-size: 0.75rem;
  }
}

/* ── Footer ── */
.footer {
  background: var(--bg-cream);
  text-align: center;
}

.footer__container {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

@media (max-width: 600px) {
  .footer__container {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }
}

.footer__brand {
  font-size: 0.9rem;
  font-weight: 600;
}

.footer__tagline {
  font-size: 0.8rem;
  color: var(--text-mid);
  margin-bottom: 1rem;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--accent-gold);
}

.footer__links a {
  color: var(--accent-gold);
  text-decoration: none;
}

.footer__links a:hover {
  text-decoration: underline;
}

.footer__sep {
  color: var(--text-light);
}

.footer__copyright {
  font-size: 0.7rem;
  color: #b5a898;
  margin-top: 1rem;
}