/* ===================================================
   LightSteps Pro — Design System
=================================================== */
:root {
  --color-primary: #0F5C50;
  --color-primary-dark: #0A3F37;
  --color-primary-light: #E4EFEB;
  --color-accent: #C8763B;
  --color-accent-dark: #A85F2C;
  --color-accent-light: #F6E4D3;
  --color-cream: #FAF6EF;
  --color-cream-alt: #F2ECDF;
  --color-ink: #1C2622;
  --color-ink-soft: #3E4A45;
  --color-muted: #6B7873;
  --color-border: #E4DFD1;
  --color-card: #FFFFFF;
  --color-success: #4C8C6B;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(20, 30, 27, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 30, 27, 0.09);
  --shadow-lg: 0 16px 48px rgba(20, 30, 27, 0.14);
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); color: var(--color-primary-dark); line-height: 1.15; margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: clamp(2.1rem, 4.2vw, 3.2rem); font-weight: 600; }
h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--color-ink-soft); }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
.center-text { text-align: center; }
.section { padding: 88px 0; }
.section.problem, .section.what-is-it, .section.who-for { padding: 72px 0; }
.eyebrow { font-family: var(--font-body); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: .78rem; color: var(--color-accent-dark); margin: 0 0 .75em; }
.eyebrow.center { text-align: center; }
.section-lead { max-width: 640px; margin: -0.5em auto 2.5em; color: var(--color-muted); }
.center { text-align: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-primary); color: #fff; padding: 12px 18px; z-index: 999; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 700; font-size: .96rem;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--color-primary-dark); border-color: var(--color-border); }
.btn-ghost:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.btn-outline { background: transparent; color: var(--color-primary-dark); border-color: var(--color-primary-dark); width: 100%; }
.btn-outline:hover { background: var(--color-primary-dark); color: #fff; }
.btn-lg { padding: 16px 32px; font-size: 1.02rem; }
.btn-sm { padding: 9px 18px; font-size: .85rem; }
.btn-block { width: 100%; }

/* Announcement bar */
.announce-bar { background: var(--color-primary-dark); color: #fff; text-align: center; padding: 9px 16px; font-size: .82rem; font-weight: 600; letter-spacing: .01em; }
.announce-bar p { margin: 0; color: #fff; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(250, 246, 239, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--color-border); }
.header-inner { display: flex; align-items: center; gap: 24px; padding: 14px 24px; }
.logo { display: flex; align-items: center; gap: 8px; color: var(--color-primary-dark); flex-shrink: 0; }
.logo-mark { color: var(--color-accent); flex-shrink: 0; }
.logo-word { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; }
.logo-word em { font-style: normal; color: var(--color-accent); }
.main-nav { display: flex; gap: 28px; margin-left: 12px; flex: 1; }
.main-nav a { font-weight: 600; font-size: .93rem; color: var(--color-ink-soft); }
.main-nav a:hover { color: var(--color-primary); }
.header-cta { flex-shrink: 0; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; background: none; border: none; cursor: pointer; margin-left: auto; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-primary-dark); border-radius: 2px; }

/* Hero */
.hero { padding: 56px 0 64px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-sub { font-size: 1.08rem; max-width: 520px; }
.hero-points { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin: 22px 0 30px; }
.hero-points li { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: .95rem; color: var(--color-primary-dark); }
.hero-points svg { color: var(--color-success); flex-shrink: 0; }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-cta-row.center { justify-content: center; }
.hero-trust { margin-top: 22px; font-size: .82rem; color: var(--color-muted); font-weight: 600; }
.hero-media { position: relative; }
.hero-media img { border-radius: var(--radius-lg); }

/* Benefit strip */
.benefit-strip { background: var(--color-primary-dark); padding: 28px 0; }
.benefit-strip-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.benefit-strip-item { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; font-size: .88rem; flex: 1 1 180px; }
.benefit-strip-item svg { color: var(--color-accent); flex-shrink: 0; }

/* Problem */
.problem-copy p { font-size: 1.02rem; }
.problem-callout { background: var(--color-card); border: 1px solid var(--color-border); border-left: 4px solid var(--color-accent); border-radius: var(--radius-md); padding: 26px 28px; margin-top: 28px; box-shadow: var(--shadow-sm); }
.problem-callout h3 { margin-bottom: .4em; }
.problem-callout p { margin: 0; }

/* Two column */
.two-col { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.two-col.reverse { grid-template-columns: 1.15fr .85fr; }
.two-col.reverse .two-col-media { order: 2; }
.two-col-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.disclaimer-inline { font-size: .84rem; color: var(--color-muted); border-top: 1px solid var(--color-border); padding-top: 14px; margin-top: 18px; }

.who-for { background: var(--color-primary-light); }

/* Formula / Ingredients */
.ingredient-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.ingredient-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 26px; box-shadow: var(--shadow-sm); }
.ingredient-card h3 { color: var(--color-primary); margin-bottom: .6em; }
.ingredient-card p { font-size: .89rem; margin-bottom: .8em; }
.ingredient-card p:last-child { margin-bottom: 0; }
.ingredient-what { color: var(--color-ink-soft); }
.ingredient-role strong, .ingredient-research strong { color: var(--color-primary-dark); }
.research-disclaimer { margin-top: 36px; background: var(--color-accent-light); border-radius: var(--radius-md); padding: 20px 26px; }
.research-disclaimer p { margin: 0; font-size: .88rem; color: var(--color-ink-soft); }

/* How it works */
.how-it-works { background: var(--color-cream-alt); }
.steps-row { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 14px; align-items: start; margin-top: 44px; }
.step-card { background: var(--color-card); border-radius: var(--radius-md); padding: 26px 20px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); }
.step-num { width: 36px; height: 36px; border-radius: 50%; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 600; margin: 0 auto 14px; }
.step-card h3 { font-size: 1rem; }
.step-card p { font-size: .86rem; margin: 0; }
.step-arrow { display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--color-accent); padding-top: 40px; }

/* Benefits */
.benefit-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.benefit-card { background: var(--color-card); border-radius: var(--radius-md); padding: 28px; border: 1px solid var(--color-border); transition: transform .15s ease, box-shadow .15s ease; }
.benefit-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.benefit-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.benefit-card p { font-size: .9rem; margin: 0; }
.benefits-footnote { text-align: center; font-size: .82rem; color: var(--color-muted); margin-top: 32px; }

/* Trust */
.trust-badges { display: flex; justify-content: center; align-items: center; gap: 36px; flex-wrap: wrap; margin: 44px 0 36px; }
.trust-badge img { max-height: 92px; width: auto; opacity: .92; }
.trust-pill { display: inline-flex; align-items: center; justify-content: center; height: 92px; padding: 0 18px; border: 2px solid var(--color-primary); border-radius: 50%; width: 92px; text-align: center; font-size: .72rem; font-weight: 700; color: var(--color-primary-dark); line-height: 1.2; }
.trust-copy { max-width: 780px; margin: 0 auto; text-align: center; }
.trust-copy p { font-size: .93rem; }

/* Offer / Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; align-items: stretch; }
.price-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 28px; text-align: center; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); }
.price-card img { max-width: 130px; margin: 4px auto 14px; }
.price-tag { font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-muted); margin-bottom: 6px; }
.price-card h3 { margin-bottom: 2px; }
.price-supply { font-size: .84rem; color: var(--color-muted); margin-bottom: 14px; }
.price-amount { font-family: var(--font-display); font-size: 1.9rem; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 2px; }
.price-was { font-size: 1rem; color: var(--color-muted); text-decoration: line-through; font-family: var(--font-body); margin-right: 6px; }
.price-per { font-weight: 600; font-size: .88rem; color: var(--color-ink-soft); margin-bottom: 2px; }
.price-ship { font-size: .82rem; color: var(--color-success); font-weight: 600; margin-bottom: 18px; }
.price-bonuses { text-align: left; margin: 0 0 18px; font-size: .8rem; color: var(--color-ink-soft); }
.price-bonuses li { margin-bottom: 6px; }
.price-bonuses em { color: var(--color-accent-dark); font-style: normal; }
.price-card .btn { margin-top: auto; }
.price-card-featured { border: 2px solid var(--color-accent); position: relative; transform: scale(1.035); box-shadow: var(--shadow-lg); }
.price-tag-featured { color: var(--color-accent-dark); }
.offer-note { text-align: center; font-size: .85rem; color: var(--color-muted); margin-top: 30px; }
.payment-icons { display: flex; justify-content: center; margin-top: 26px; }
.payment-icons img { max-width: 260px; opacity: .8; }

/* Guarantee */
.guarantee { background: var(--color-primary-light); }
.guarantee-grid { display: grid; grid-template-columns: .55fr 1.45fr; gap: 48px; align-items: center; }
.guarantee-media img { max-width: 240px; margin: 0 auto; border-radius: 50%; }
.guarantee-copy h2 { margin-bottom: .5em; }

/* Objections */
.objection-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 32px; margin-top: 40px; }
.objection-item h3 { font-size: .98rem; color: var(--color-primary); margin-bottom: .35em; }
.objection-item p { font-size: .88rem; margin: 0; }

/* FAQ */
.faq-list { margin-top: 40px; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 4px 24px; }
.faq-item summary { cursor: pointer; padding: 18px 0; font-weight: 700; font-size: 1rem; color: var(--color-primary-dark); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--color-accent); flex-shrink: 0; transition: transform .2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 0 20px; }
.faq-answer p { margin: 0; font-size: .92rem; }

/* Final CTA */
.final-cta { background: var(--color-primary-dark); color: #fff; text-align: center; }
.final-cta h2 { color: #fff; }
.final-cta p { color: rgba(255,255,255,.85); max-width: 480px; margin: 0 auto 28px; }
.final-cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,.4); }
.final-cta .btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }

/* Footer */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,.75); padding: 48px 0 20px; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand p { color: rgba(255,255,255,.6); font-size: .85rem; max-width: 280px; margin: 8px 0 0; }
.footer-logo { color: #fff; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-start; }
.footer-nav a { font-size: .85rem; color: rgba(255,255,255,.75); }
.footer-nav a:hover { color: #fff; }
.footer-bottom { padding-top: 20px; }
.footer-bottom p { font-size: .76rem; color: rgba(255,255,255,.5); margin: 0; }

/* Sticky mobile CTA */
.sticky-cta { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 90; background: var(--color-cream); border-top: 1px solid var(--color-border); padding: 10px 16px; box-shadow: 0 -6px 20px rgba(0,0,0,.08); }

/* ===================== Responsive ===================== */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-media { order: -1; max-width: 380px; margin: 0 auto; }
  .two-col, .two-col.reverse { grid-template-columns: 1fr; gap: 28px; }
  .two-col.reverse .two-col-media { order: -1; }
  .two-col-media img { max-width: 320px; margin: 0 auto; }
  .ingredient-grid, .benefit-cards { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .price-card-featured { transform: none; order: -1; }
  .steps-row { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .guarantee-grid { grid-template-columns: 1fr; text-align: center; }
  .objection-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; top: 62px; left: 0; right: 0; background: var(--color-cream); flex-direction: column; padding: 18px 24px; border-bottom: 1px solid var(--color-border); gap: 4px; box-shadow: var(--shadow-md); visibility: hidden; opacity: 0; transform: translateY(-10px); pointer-events: none; transition: opacity .18s ease, transform .18s ease, visibility .18s; }
  .main-nav.open { visibility: visible; opacity: 1; transform: translateY(0); pointer-events: auto; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--color-border); }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .hero-points { grid-template-columns: 1fr; }
  .ingredient-grid, .benefit-cards { grid-template-columns: 1fr; }
  .sticky-cta { display: block; }
  body { padding-bottom: 70px; }
  .section { padding: 60px 0; }
}