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

:root {
  --bg: #f5f7f4;
  --bg-alt: #ffffff;
  --accent: #1b7c5a;
  --accent-soft: #e0f1e8;
  --text-main: #12352f;
  --text-muted: #5b6670;
  --border-subtle: #e3e6ea;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --shadow-soft: 0 18px 45px rgba(15, 35, 32, 0.10);
  --max-width: 1120px;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
}

body { line-height: 1.6; }

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.site-header {
  padding: 1.1rem 0 0.4rem;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #3ca97a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
}

.header-cta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.9rem;
}

.header-cta a.primary-link {
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(8, 57, 41, 0.30);
  text-decoration: none;
}

.header-cta a.secondary-link { color: var(--text-muted); }

/* Hero */

.hero { padding: 2.2rem 0 3.2rem; }

.hero-card {
  background: var(--bg-alt);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  padding: 2.6rem 2.2rem;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 2.4rem;
  align-items: center;
}

.hero-kicker {
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.hero-title {
  font-size: clamp(2.2rem, 3.4vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 0.9rem;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 34rem;
  margin-bottom: 1.4rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
}

.badge {
  font-size: 0.78rem;
  padding: 0.32rem 0.8rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
}

.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.7rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 15px 35px rgba(5, 52, 37, 0.40);
}

.btn-main:hover {
  filter: brightness(1.03);
  transform: translateY(-1px);
}

.hero-note {
  font-size: 0.8rem;
  color: #7a858d;
}

/* Sections */

.section {
  padding: 0 0 3rem;
}

.section-heading {
  font-size: 1.9rem;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 34rem;
  font-size: 0.98rem;
}

/* Learn cards */

.learn-cards {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.3rem;
}

.learn-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 1.45rem 1.35rem 1.6rem;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 26px rgba(7, 34, 26, 0.06);
}

.learn-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
}

.learn-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Chapter cards */

.cards-grid {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.3rem;
}

.card {
  background: #ffffff;
  border-radius: 18px;
  padding: 1.45rem 1.35rem 1.6rem;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 28px rgba(15, 35, 32, 0.05);
}

.chapter-number {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.card p {
  font-size: 0.9rem;
  color: #5b6670;
  margin: 0;
}

/* Add-ons */

.addons-grid {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.addon-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 1.4rem 1.4rem 1.6rem;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 26px rgba(7, 34, 26, 0.06);
}

.addon-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

/* Testimonials */

.testimonials {
  padding-bottom: 3.2rem;
}

.testimonial-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.testimonial-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 1.6rem 1.6rem 1.8rem;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 24px rgba(9, 32, 24, 0.05);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.testimonial-card .stars {
  color: #1b7c5a;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  margin-bottom: 0.6rem;
}

.testimonial-card .quote {
  font-style: italic;
  margin-bottom: 0.9rem;
}

.testimonial-card .name {
  font-weight: 600;
  color: var(--text-main);
}

/* CTA final */

.cta-final {
  padding: 2.4rem 0 3rem;
}

.cta-card {
  background: linear-gradient(135deg, #0f4031, #1a6b52);
  border-radius: 26px;
  padding: 2.1rem 2rem 2.3rem;
  color: #f5fbf7;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}

.cta-card h2 {
  margin: 0 0 0.45rem;
  font-size: 1.9rem;
  letter-spacing: -0.02em;
}

.cta-card p {
  margin: 0 0 1.1rem;
  font-size: 0.96rem;
}

.cta-card .btn-main {
  background: #f5fbf7;
  color: #0f4031;
  box-shadow: none;
  margin-bottom: 0.6rem;
}

.price-tag {
  font-size: 1.8rem;
  font-weight: 700;
}

.guarantee {
  font-size: 0.8rem;
  opacity: 0.9;
}

/* Footer & legal */

.site-footer {
  padding: 1.8rem 0 2.2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.9rem;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.footer-links a { color: var(--text-muted); }

.legal-page {
  padding: 2.4rem 0 3rem;
}

.legal-page h1 {
  font-size: 1.8rem;
  margin-bottom: 0.4rem;
}

.legal-page h2 {
  font-size: 1.1rem;
  margin-top: 1.6rem;
  margin-bottom: 0.4rem;
}

.legal-page p,
.legal-page ul {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 760px;
}

.legal-page ul {
  padding-left: 1.3rem;
}

/* Responsive */

@media (max-width: 960px) {
  .hero-card,
  .cta-card { grid-template-columns: minmax(0, 1fr); }

  .cards-grid,
  .learn-cards,
  .addons-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero-card { padding: 2rem 1.6rem 2.1rem; }

  .cards-grid,
  .learn-cards,
  .addons-grid,
  .testimonial-grid { grid-template-columns: minmax(0, 1fr); }

  .header-cta { display: none; }
}