/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --clr-bg: #e8e4e0;
  --clr-surface: #f2efeb;
  --clr-text: #1a1a1a;
  --clr-muted: #555;
  --clr-accent: #1a1a1a;
  --clr-accent-light: #d5d0cb;
  --clr-accent-dark: #000;
  --clr-border: #c8c3bc;
  --clr-green: #2d6a4f;
  --radius: 4px;
  --max-w: 920px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== TYPOGRAPHY ===== */
h1 {
  font-size: clamp(2rem, 6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.02em; }
p  { color: var(--clr-muted); }

.highlight { color: var(--clr-text); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  border-radius: var(--radius);
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: pointer;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(0,0,0,0.2); }
.btn-primary {
  background: var(--clr-green);
  color: #fff;
  padding: 16px 36px;
  font-size: 1rem;
}
.btn-primary:hover { box-shadow: 0 4px 20px rgba(45,106,79,0.35); }
.btn-lg { padding: 20px 48px; font-size: 1.1rem; }

/* ===== HERO ===== */
.hero {
  padding: 80px 20px 60px;
  background: var(--clr-bg);
  overflow: hidden;
}
.hero-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.hero-text {
  text-align: center;
  width: 100%;
}
.hero-image {
  width: 100%;
  text-align: center;
}
.hero-image img {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.12);
}
.hero-tag {
  display: inline-block;
  background: transparent;
  color: var(--clr-muted);
  padding: 6px 0;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-bottom: 1px solid var(--clr-border);
}
.hero h1 { margin-bottom: 24px; }
.hero-sub {
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 32px;
  color: var(--clr-muted);
  line-height: 1.7;
}
.hero-free-link {
  display: block;
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--clr-green);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}
.hero-free-link:hover { color: var(--clr-text); }
.hero-note {
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Desktop hero: side by side */
@media (min-width: 701px) {
  .hero { padding: 120px 24px 90px; }
  .hero-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    text-align: left;
  }
  .hero-text { text-align: left; }
  .hero-sub { margin: 0 0 40px; }
  .hero-image img { max-width: 100%; }
}

/* ===== SECTIONS ===== */
.section { padding: 60px 0; }
.section:nth-child(even) { background: var(--clr-surface); }
.section-note {
  text-align: center;
  margin-top: 32px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
}

@media (min-width: 701px) {
  .section { padding: 80px 0; }
  .section-note { margin-top: 40px; }
}

/* ===== PAIN GRID ===== */
.pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.pain-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}
.pain-icon { font-size: 1.6rem; display: block; margin-bottom: 12px; filter: grayscale(1); }
.pain-card p { color: var(--clr-text); font-size: 0.9rem; }

@media (min-width: 600px) {
  .pain-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
  .pain-card { padding: 28px 24px; }
}

/* ===== TOC GRID ===== */
.toc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.toc-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid var(--clr-border);
}
.toc-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
  flex-shrink: 0;
}
.toc-item strong { display: block; margin-bottom: 4px; color: var(--clr-text); font-size: 0.95rem; }
.toc-item p { font-size: 0.85rem; }

@media (min-width: 600px) {
  .toc-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
}

/* ===== AUTHOR QUOTE ===== */
.author-blockquote {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 0 12px;
}
.author-blockquote p {
  font-size: 1rem;
  font-style: italic;
  color: var(--clr-text);
  line-height: 1.8;
}
.author-blockquote cite {
  display: block;
  margin-top: 20px;
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 700;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (min-width: 600px) {
  .author-blockquote p { font-size: 1.05rem; }
}

/* ===== BENEFITS ===== */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.benefit { text-align: center; }
.benefit h3 { color: var(--clr-text); }

@media (min-width: 600px) {
  .benefits-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 32px; }
}

/* ===== TESTIMONIALS ===== */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.testimonial {
  background: var(--clr-surface);
  border-left: 3px solid var(--clr-accent);
  border-radius: var(--radius);
  padding: 24px;
}
.testimonial p { color: var(--clr-text); font-size: 0.92rem; margin-bottom: 12px; font-style: italic; }
.testimonial cite { font-size: 0.8rem; color: var(--clr-muted); font-style: normal; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }

@media (min-width: 600px) {
  .testimonial-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
  .testimonial { padding: 28px; }
}

/* ===== CTA / PRICING ===== */
.cta { text-align: center; background: var(--clr-bg); }
.cta-tagline {
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
  text-align: center;
  margin-bottom: 32px;
  font-style: italic;
}

@media (min-width: 701px) {
  .cta-tagline { font-size: 1.1rem; margin-bottom: 40px; }
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 420px;
  margin: 0 auto;
  align-items: start;
}

@media (min-width: 701px) {
  .pricing-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 820px;
  }
}

.cta-box {
  background: var(--clr-surface);
  border: 2px solid var(--clr-accent);
  border-radius: var(--radius);
  padding: 36px 24px;
  position: relative;
  text-align: center;
}
.cta-box h2 {
  margin-bottom: 16px;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
}
.cta-box-featured {
  border-color: var(--clr-green);
  border-width: 3px;
}
.cta-box-audio {
  opacity: 0.55;
}
.cta-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--clr-green);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 16px;
  border-radius: var(--radius);
  white-space: nowrap;
}
.cta-badge-urgent {
  background: #c1440e;
}
.btn-secondary {
  background: var(--clr-accent-light);
  color: var(--clr-muted);
  padding: 16px 36px;
  font-size: 1rem;
}
.btn-disabled {
  pointer-events: none;
  cursor: default;
  opacity: 0.7;
}
.btn-disabled:hover { transform: none; box-shadow: none; }
.cta-desc { font-size: 0.95rem; margin-bottom: 20px; }
.price { margin-bottom: 24px; }
.price-old { font-size: 1.4rem; font-weight: 600; color: var(--clr-muted); text-decoration: line-through; margin-right: 8px; vertical-align: middle; }
.price-amount { font-size: 2.6rem; font-weight: 800; color: var(--clr-accent-dark); }
.price-note { display: block; font-size: 0.8rem; color: var(--clr-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.cta-list {
  list-style: none;
  text-align: left;
  max-width: 320px;
  margin: 0 auto 28px;
}
.cta-list li {
  padding: 5px 0;
  padding-left: 24px;
  position: relative;
  color: var(--clr-text);
  font-size: 0.88rem;
}
.cta-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--clr-accent);
  font-weight: 700;
}
.cta-secure { font-size: 0.75rem; margin-top: 16px; color: var(--clr-muted); text-transform: uppercase; letter-spacing: 0.06em; }

@media (min-width: 701px) {
  .cta-box { padding: 48px 32px; }
  .cta-desc { font-size: 1.05rem; margin-bottom: 24px; }
  .price-old { font-size: 1.6rem; }
  .price-amount { font-size: 3rem; }
  .price { margin-bottom: 28px; }
  .cta-list li { font-size: 0.9rem; padding: 6px 0; padding-left: 24px; }
}

/* ===== FREE SAMPLE ===== */
.free-sample { text-align: center; }
.sample-desc {
  font-size: 1rem;
  margin-bottom: 28px;
  color: var(--clr-muted);
}
.sample-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 16px;
}
.sample-input, .sample-select {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1rem;
  padding: 14px 16px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-surface);
  color: var(--clr-text);
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}
.sample-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23555' fill='none' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.sample-input:focus, .sample-select:focus {
  outline: none;
  border-color: var(--clr-accent);
}
.sample-form .btn {
  width: 100%;
  padding: 16px 24px;
}
.sample-note {
  font-size: 0.75rem;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 12px;
}
.sample-success {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-green);
  margin-top: 16px;
}

@media (min-width: 600px) {
  .sample-desc { font-size: 1.05rem; margin-bottom: 32px; }
  .sample-form {
    flex-direction: row;
    flex-wrap: wrap;
    max-width: 640px;
    justify-content: center;
  }
  .sample-input, .sample-select {
    flex: 1;
    min-width: 180px;
    width: auto;
  }
  .sample-form .btn {
    width: auto;
    flex-shrink: 0;
    padding: 16px 36px;
  }
}

/* ===== FAQ ===== */
.faq-list { max-width: 680px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--clr-border);
  padding: 20px 0;
}
.faq-item summary {
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--clr-text);
  gap: 12px;
}
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--clr-muted); font-weight: 300; flex-shrink: 0; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { margin-top: 12px; font-size: 0.92rem; }

@media (min-width: 600px) {
  .faq-item summary { font-size: 1rem; }
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid var(--clr-border);
}
.footer p { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.footer-links { margin-top: 8px; }
.footer-links a { color: var(--clr-muted); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; color: var(--clr-text); }