:root {
  --red: #cf2a2a;
  --red-dark: #b71f1f;
  --bg: #fcfcfc;
  --bg-alt: #f5f5f5;
  --ink: #1a1a1a;
  --muted: #5f5f5f;
  --line: #e6e6e6;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.1);
}

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

html { scroll-behavior: smooth; background: var(--bg); }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.container.narrow { max-width: 780px; }

h1, h2, h3 { font-family: "Source Serif 4", Georgia, serif; line-height: 1.2; color: var(--ink); }

h2 { font-size: clamp(1.6rem, 4vw, 2.3rem); margin-bottom: 1rem; text-wrap: balance; }
h3 { font-size: 1.2rem; margin-bottom: .5rem; }

p { margin-bottom: 1rem; color: #333; }
.center { text-align: center; }
.lead-narrow { max-width: 740px; margin-left: auto; margin-right: auto; color: var(--muted); }

a { color: inherit; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; text-align: center; text-decoration: none;
  font-weight: 700; border-radius: 999px; cursor: pointer;
  padding: .85rem 1.6rem; border: 2px solid transparent;
  transition: transform .15s ease, background .2s ease, box-shadow .2s ease;
  line-height: 1.25;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 8px 20px rgba(207, 42, 42, .28); }
.btn-primary:hover { background: var(--red-dark); }
.btn-outline { background: #fff; color: var(--red); border-color: var(--red); }
.btn-outline:hover { background: #fff5f5; }
.btn-block { display: flex; width: 100%; }
.btn-lg { font-size: 1.05rem; padding: 1rem 2rem; }
.btn-xl { font-size: 1.15rem; padding: 1.15rem 2.4rem; max-width: 640px; }
.btn-nav { padding: .6rem 1.1rem; font-size: .9rem; }

/* ===== Navbar ===== */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(252, 252, 252, .95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 1rem; }
.brand {
  font-family: "Source Serif 4", serif; font-weight: 700; font-size: 1.4rem;
  color: var(--red); text-decoration: none; letter-spacing: -.5px;
}
.nav-links { display: flex; gap: 1.4rem; }
.nav-links a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: .95rem; }
.nav-links a:hover { color: var(--red); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s; }

.mobile-menu { display: none; flex-direction: column; gap: .3rem; padding: 0 20px 16px; }
.mobile-menu a { padding: .65rem .25rem; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); font-weight: 500; }
.mobile-menu a.btn { border: none; color: #fff; margin-top: .6rem; }
.mobile-menu.open { display: flex; }

/* ===== Sections ===== */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }

/* ===== Hero ===== */
.hero { padding: 56px 0 48px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center; }
.hero-content { min-width: 0; }
.hero-media { position: sticky; top: 88px; }
.hero-media img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
}
.article-meta { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.tag {
  background: var(--red); color: #fff; font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; padding: .35rem .7rem; border-radius: 6px;
}
.tag-muted { background: #e9e9e9; color: #555; }
.cta-block { margin-top: 2.5rem; }
.hero-title { font-size: clamp(2rem, 5.5vw, 3.1rem); margin-bottom: 1.2rem; text-wrap: balance; }
.hero-lead { font-size: 1.18rem; color: #2a2a2a; }
.hero-text { color: #444; }
.byline { list-style: none; margin: 1.4rem 0; padding: 1rem 1.2rem; background: var(--bg-alt); border-radius: var(--radius); font-size: .92rem; color: var(--muted); }
.byline li { margin-bottom: .25rem; }
.byline strong { color: var(--ink); }

/* ===== Check lists ===== */
.check-list { list-style: none; margin: 1.4rem 0; display: grid; gap: .75rem; }
.check-list li { position: relative; padding-left: 2rem; color: #333; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--red);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/14px no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/14px no-repeat;
}
.check-list.small { margin: 1rem 0 1.4rem; }
.check-list.small li { font-size: .92rem; padding-left: 1.7rem; }
.hero-checks { margin: 1.6rem 0 2rem; }

/* ===== Grid 2 ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.media-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2.4rem; }
.step-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem 1.5rem; box-shadow: var(--shadow); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 50%; background: var(--red); color: #fff;
  font-weight: 800; font-size: 1.2rem; margin-bottom: 1rem;
}

/* ===== Ingredients ===== */
.ingredients-wrap { display: grid; grid-template-columns: 1.4fr .9fr; gap: 2.4rem; align-items: start; margin-top: 2.2rem; }
.ingredients-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.8rem; }
.ingredient-list { list-style: none; }
.ingredient-list li {
  display: flex; justify-content: space-between; gap: .75rem; align-items: baseline;
  padding: .65rem 0; border-bottom: 1px solid var(--line); font-size: .92rem;
}
.ing-name { font-weight: 600; }
.ing-val { color: var(--red); font-weight: 700; white-space: nowrap; }
.label-figure { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow); }
.label-figure img { width: 100%; border-radius: 8px; display: block; }
.label-figure figcaption { text-align: center; font-size: .82rem; color: var(--muted); margin-top: .6rem; }

/* ===== Benefits ===== */
.benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin-top: 2.2rem; }
.benefit-card {
  background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--red);
  border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow);
}
.benefit-card p { margin-bottom: 0; color: var(--muted); }

/* ===== Reviews ===== */
.rating-head { text-align: center; max-width: 760px; margin: 0 auto 2.4rem; }
.stars { color: #f5a623; font-size: 1.6rem; letter-spacing: 2px; }
.stars.sm { font-size: 1rem; }
.rating-line { font-weight: 600; color: var(--muted); margin: .4rem 0 1rem; }
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.review-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.review-card p { font-size: .98rem; color: #333; }
.review-card footer { font-size: .85rem; color: var(--muted); }
.verified { display: block; color: var(--red); font-weight: 600; margin-top: .2rem; }
.cta-mid { margin-top: 2.6rem; }

/* ===== Notices ===== */
.notice { border-radius: var(--radius); padding: 1.3rem 1.4rem; margin: 1.4rem 0; }
.notice-info { background: #eef4fb; border: 1px solid #cfe0f3; }
.notice-info strong { color: #1e5aa8; }
.notice-warning { background: #fff7e6; border: 1px solid #f3dca0; display: flex; gap: 1rem; align-items: flex-start; }
.notice-warning p:last-child { margin-bottom: 0; }
.warn-icon {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
  background: #e8a300; color: #fff; font-weight: 800; font-size: 1.2rem;
  display: inline-flex; align-items: center; justify-content: center;
}

/* ===== Pricing ===== */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; margin-top: 2.4rem; align-items: start; }
.price-card {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2rem 1.6rem 1.8rem; text-align: center; box-shadow: var(--shadow);
}
.price-card.featured { border: 2px solid var(--red); box-shadow: var(--shadow-lg); padding-top: 2.6rem; }
.featured-tag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: #1a1a1a; color: #fff; font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; padding: .4rem .9rem; border-radius: 999px; white-space: nowrap;
}
.plan-name { font-size: 1.45rem; margin-bottom: .2rem; }
.plan-badge { color: var(--red); font-weight: 700; text-transform: uppercase; font-size: .8rem; letter-spacing: .5px; margin-bottom: 1rem; }
.plan-img { height: 180px; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.plan-img img { max-height: 100%; max-width: 100%; object-fit: contain; }
.price-row { display: flex; align-items: baseline; justify-content: center; gap: .4rem; }
.price { font-size: 2rem; font-weight: 800; font-family: "Source Serif 4", serif; }
.price-unit { color: var(--muted); font-size: .85rem; }
.price-old { color: #999; text-decoration: line-through; font-size: .95rem; }
.save { display: inline-block; background: var(--red); color: #fff; text-decoration: none; font-size: .72rem; font-weight: 700; padding: .2rem .5rem; border-radius: 5px; margin-left: .4rem; }
.price-total { color: var(--muted); font-size: .9rem; margin-bottom: 1rem; }
.price-card .check-list { text-align: left; }
.guarantee { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; margin: 1rem 0 0; }

/* ===== FAQ ===== */
.faq { margin-top: 2rem; display: grid; gap: .8rem; }
.faq details {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0 1.3rem; box-shadow: var(--shadow); overflow: hidden;
}
.faq summary {
  list-style: none; cursor: pointer; font-weight: 600; font-size: 1.05rem;
  padding: 1.1rem 0; display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--red); font-size: 1.5rem; font-weight: 400; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding-bottom: 1.2rem; margin: 0; color: var(--muted); }

/* ===== Verdict ===== */
.verdict { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.6rem 2rem; text-align: center; box-shadow: var(--shadow-lg); }
.verdict-seal {
  display: inline-block; background: var(--red); color: #fff; font-weight: 800;
  text-transform: uppercase; letter-spacing: .8px; font-size: .85rem;
  padding: .55rem 1.3rem; border-radius: 999px; margin-bottom: 1.2rem;
}
.verdict .btn { margin-top: 1rem; }

/* ===== Footer ===== */
.footer { background: #1a1a1a; color: #cfcfcf; padding: 3rem 0; text-align: center; }
.footer-brand { font-family: "Source Serif 4", serif; font-size: 1.6rem; color: #fff; font-weight: 700; margin-bottom: 1rem; }
.footer-disclaimer { max-width: 720px; margin: 0 auto 1rem; font-size: .85rem; color: #9a9a9a; }
.footer-copy { font-size: .82rem; color: #777; margin: 0; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .nav-toggle { display: flex; }
  .grid-2 { grid-template-columns: 1fr; gap: 1.8rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-media { position: static; order: -1; max-width: 460px; margin: 0 auto; }
  .steps { grid-template-columns: 1fr; }
  .reviews { grid-template-columns: 1fr 1fr; }
  .pricing { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
  .ingredients-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 48px 0; }
  .benefits { grid-template-columns: 1fr; }
  .reviews { grid-template-columns: 1fr; }
  .ingredients-cols { grid-template-columns: 1fr; }
  .hero-lead { font-size: 1.05rem; }
  .btn-xl { font-size: 1rem; padding: 1rem 1.4rem; }
}
