/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background: #0a0e1a;
  color: #e0e6f0;
  line-height: 1.7;
}
a { color: #4f9cf9; text-decoration: none; transition: color .2s; }
a:hover { color: #7bb8ff; }
img { max-width: 100%; height: auto; display: block; }

/* === TYPOGRAPHY === */
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.2; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: .75rem; }
h4 { font-size: 1rem; font-weight: 600; color: #7bb8ff; margin-bottom: .5rem; }
p { margin-bottom: 1rem; color: #b8c5d8; }

/* === LAYOUT === */
.container { max-width: 1140px; margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 4rem 0; }
.section-alt { background: #0d1220; }

/* === HEADER === */
header {
  position: sticky; top: 0; z-index: 999;
  background: rgba(10,14,26,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(79,156,249,.15);
  padding: .9rem 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.logo { display: flex; align-items: center; gap: .6rem; font-size: 1.3rem; font-weight: 800; color: #fff; }
.logo span { color: #4f9cf9; }
.logo-badge {
  background: linear-gradient(135deg,#4f9cf9,#7b5ea7);
  color: #fff; font-size: .65rem; font-weight: 700;
  padding: .15rem .4rem; border-radius: 4px; letter-spacing: .05em;
}
nav { display: flex; gap: 1.5rem; align-items: center; }
nav a { color: #b8c5d8; font-size: .9rem; font-weight: 500; }
nav a:hover { color: #4f9cf9; }
.btn-nav {
  background: linear-gradient(135deg,#4f9cf9,#1d6fc5);
  color: #fff !important; padding: .45rem 1.1rem; border-radius: 6px; font-weight: 600;
  transition: transform .2s, box-shadow .2s;
}
.btn-nav:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(79,156,249,.35); }

/* === HERO === */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg,#0a0e1a 0%,#0d1a3a 50%,#0a1528 100%);
  padding: 5rem 0 4rem;
  border-bottom: 1px solid rgba(79,156,249,.12);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(79,156,249,.08) 0%, transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(79,156,249,.12); border: 1px solid rgba(79,156,249,.25);
  color: #4f9cf9; font-size: .8rem; font-weight: 600; padding: .35rem .85rem;
  border-radius: 20px; margin-bottom: 1.25rem; letter-spacing: .04em;
}
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero h1 em { color: #4f9cf9; font-style: normal; }
.hero-sub { font-size: 1.05rem; color: #8fa3be; margin-bottom: 1.75rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: linear-gradient(135deg,#4f9cf9,#1d6fc5);
  color: #fff; padding: .75rem 1.75rem; border-radius: 8px;
  font-weight: 700; font-size: 1rem;
  box-shadow: 0 4px 20px rgba(79,156,249,.3);
  transition: transform .2s, box-shadow .2s;
}
.btn-primary:hover { color:#fff; transform: translateY(-2px); box-shadow: 0 6px 28px rgba(79,156,249,.45); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: transparent; border: 1px solid rgba(79,156,249,.4);
  color: #4f9cf9; padding: .75rem 1.5rem; border-radius: 8px;
  font-weight: 600; transition: background .2s, border-color .2s;
}
.btn-secondary:hover { background: rgba(79,156,249,.08); }
.hero-trust { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: .4rem; font-size: .82rem; color: #7a92ae; }
.trust-item svg { flex-shrink: 0; }
.hero-img-wrap {
  position: relative;
  background: linear-gradient(135deg,rgba(79,156,249,.06),rgba(123,94,167,.06));
  border: 1px solid rgba(79,156,249,.15);
  border-radius: 20px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  min-height: 340px;
}
.hero-img-wrap img { border-radius: 16px; object-fit: cover; width: 100%; height: 340px; }

/* === STATS BAR === */
.stats-bar {
  background: linear-gradient(90deg,rgba(79,156,249,.07),rgba(123,94,167,.07));
  border-top: 1px solid rgba(79,156,249,.1);
  border-bottom: 1px solid rgba(79,156,249,.1);
  padding: 1.5rem 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; text-align: center; }
.stat-num { font-size: 1.8rem; font-weight: 800; color: #4f9cf9; }
.stat-label { font-size: .8rem; color: #7a92ae; }

/* === NOTICE BOX === */
.notice-box {
  background: rgba(79,156,249,.07); border: 1px solid rgba(79,156,249,.2);
  border-left: 4px solid #4f9cf9; border-radius: 8px; padding: 1rem 1.25rem;
  margin-bottom: 1.5rem; font-size: .9rem; color: #a0b8d0;
}
.notice-box.warning {
  background: rgba(234,179,8,.07); border-color: rgba(234,179,8,.25);
  border-left-color: #eab308; color: #c8a84b;
}
.notice-box strong { color: #e0e6f0; }

/* === PRODUCT CARDS === */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 1.5rem; }
.product-card {
  background: linear-gradient(145deg,#111827,#0f172a);
  border: 1px solid rgba(79,156,249,.15); border-radius: 16px;
  padding: 1.5rem; position: relative; overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.product-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg,#4f9cf9,#7b5ea7);
}
.product-card:hover { transform: translateY(-4px); border-color: rgba(79,156,249,.35); box-shadow: 0 12px 40px rgba(0,0,0,.35); }
.product-card.featured { border-color: rgba(79,156,249,.35); box-shadow: 0 0 30px rgba(79,156,249,.1); }
.badge-featured {
  position: absolute; top: 1rem; right: 1rem;
  background: linear-gradient(135deg,#4f9cf9,#7b5ea7);
  color: #fff; font-size: .65rem; font-weight: 700; padding: .2rem .55rem;
  border-radius: 4px; text-transform: uppercase; letter-spacing: .05em;
}
.product-img { height: 120px; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.product-img img { max-height: 100px; object-fit: contain; filter: drop-shadow(0 4px 12px rgba(79,156,249,.25)); }
.product-name { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: .25rem; }
.product-active { font-size: .8rem; color: #7a92ae; margin-bottom: .75rem; }
.product-desc { font-size: .875rem; color: #8fa3be; margin-bottom: 1rem; }
.product-specs { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.spec-row { display: flex; justify-content: space-between; font-size: .82rem; border-bottom: 1px solid rgba(255,255,255,.05); padding-bottom: .3rem; }
.spec-key { color: #7a92ae; }
.spec-val { color: #c8d8ea; font-weight: 500; }
.product-price { font-size: 1.4rem; font-weight: 800; color: #4f9cf9; margin-bottom: 1rem; }
.product-price small { font-size: .8rem; font-weight: 400; color: #7a92ae; }
.btn-product {
  display: block; text-align: center; width: 100%;
  background: linear-gradient(135deg,#4f9cf9,#1d6fc5);
  color: #fff; padding: .6rem 1rem; border-radius: 8px;
  font-weight: 600; font-size: .9rem;
  transition: transform .2s, box-shadow .2s;
}
.btn-product:hover { color:#fff; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(79,156,249,.35); }

/* === CONTENT SECTIONS === */
.content-block { max-width: 820px; }
.content-block h2 { color: #fff; }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 1.5rem; }
.info-card {
  background: rgba(255,255,255,.03); border: 1px solid rgba(79,156,249,.1);
  border-radius: 12px; padding: 1.25rem;
}
.info-card h3 { color: #4f9cf9; }

/* === HOW IT WORKS === */
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; margin-top: 2rem; }
.step-card {
  text-align: center; padding: 2rem 1.5rem;
  background: rgba(255,255,255,.03); border: 1px solid rgba(79,156,249,.1); border-radius: 16px;
  position: relative;
}
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg,#4f9cf9,#1d6fc5);
  color: #fff; font-size: 1.2rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.step-card h3 { color: #fff; }

/* === DOSAGE TABLE === */
.dosage-table { width: 100%; border-collapse: collapse; margin-top: 1.5rem; font-size: .9rem; }
.dosage-table th {
  background: rgba(79,156,249,.12); color: #4f9cf9;
  padding: .75rem 1rem; text-align: left; font-weight: 600;
  border-bottom: 2px solid rgba(79,156,249,.2);
}
.dosage-table td { padding: .7rem 1rem; border-bottom: 1px solid rgba(255,255,255,.05); color: #b8c5d8; }
.dosage-table tr:hover td { background: rgba(79,156,249,.04); }

/* === MEDICAL REVIEWER === */
.reviewer-box {
  background: linear-gradient(135deg,rgba(79,156,249,.07),rgba(123,94,167,.07));
  border: 1px solid rgba(79,156,249,.2); border-radius: 16px;
  padding: 2rem; display: flex; gap: 1.75rem; align-items: flex-start;
  margin-top: 3rem;
}
.reviewer-photo { width: 90px; height: 90px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 3px solid rgba(79,156,249,.4); }
.reviewer-info h3 { color: #fff; margin-bottom: .25rem; }
.reviewer-info p { font-size: .88rem; margin-bottom: .5rem; }
.reviewer-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(79,156,249,.12); border: 1px solid rgba(79,156,249,.25);
  color: #4f9cf9; font-size: .75rem; padding: .25rem .7rem; border-radius: 20px;
}

/* === FAQ === */
.faq-list { max-width: 820px; margin-top: 1.5rem; }
.faq-item {
  border: 1px solid rgba(79,156,249,.12); border-radius: 10px;
  margin-bottom: .75rem; overflow: hidden;
  transition: border-color .2s;
}
.faq-item:hover { border-color: rgba(79,156,249,.25); }
.faq-q {
  width: 100%; background: rgba(255,255,255,.03);
  border: none; padding: 1rem 1.25rem; text-align: left;
  color: #e0e6f0; font-size: .95rem; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-q::after { content: '+'; font-size: 1.4rem; color: #4f9cf9; flex-shrink: 0; transition: transform .2s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { display: none; padding: .75rem 1.25rem 1rem; color: #8fa3be; font-size: .9rem; }
.faq-item.open .faq-a { display: block; }

/* === REFERENCES === */
.refs-list { list-style: none; }
.refs-list li { padding: .5rem 0; border-bottom: 1px solid rgba(255,255,255,.05); font-size: .85rem; }
.refs-list li::before { content: '↗ '; color: #4f9cf9; }

/* === FOOTER === */
footer {
  background: #070c16; border-top: 1px solid rgba(79,156,249,.1); padding: 3rem 0 1.5rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-brand p { font-size: .85rem; color: #56687a; margin-top: .75rem; }
.footer-col h4 { color: #7bb8ff; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: .75rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: .4rem; }
.footer-col ul li a { color: #56687a; font-size: .85rem; }
.footer-col ul li a:hover { color: #4f9cf9; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.05); padding-top: 1.25rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .75rem;
}
.footer-bottom p { font-size: .78rem; color: #3d5265; margin: 0; }
.disclaimer {
  background: rgba(234,179,8,.05); border: 1px solid rgba(234,179,8,.15);
  border-radius: 8px; padding: 1rem 1.25rem; margin-top: 1.5rem; font-size: .8rem; color: #7a8a5a;
}

/* === BREADCRUMB === */
.breadcrumb { display: flex; gap: .4rem; align-items: center; font-size: .82rem; color: #56687a; margin-bottom: 1.5rem; }
.breadcrumb a { color: #4f9cf9; }
.breadcrumb span { color: #56687a; }

/* === TOC === */
.toc {
  background: rgba(79,156,249,.05); border: 1px solid rgba(79,156,249,.15);
  border-radius: 10px; padding: 1.25rem 1.5rem; margin-bottom: 2.5rem;
}
.toc h4 { color: #4f9cf9; margin-bottom: .75rem; }
.toc ol { padding-left: 1.25rem; }
.toc ol li { margin-bottom: .35rem; font-size: .9rem; }
.toc ol li a { color: #7bb8ff; }

/* === SECTION TITLE === */
.section-title { text-align: center; margin-bottom: 2.5rem; }
.section-title h2 { color: #fff; }
.section-title p { color: #7a92ae; max-width: 620px; margin: .5rem auto 0; }
.section-label {
  display: inline-block; background: rgba(79,156,249,.1);
  color: #4f9cf9; font-size: .75rem; font-weight: 700;
  padding: .25rem .75rem; border-radius: 20px; margin-bottom: .75rem;
  text-transform: uppercase; letter-spacing: .06em;
}

/* === COMPARISON TABLE === */
.comparison-wrap { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; min-width: 600px; }
.comparison-table th {
  background: rgba(79,156,249,.1); color: #4f9cf9; padding: .85rem 1rem;
  border-bottom: 2px solid rgba(79,156,249,.2); font-weight: 700; text-align: center;
}
.comparison-table th:first-child { text-align: left; }
.comparison-table td { padding: .75rem 1rem; border-bottom: 1px solid rgba(255,255,255,.05); text-align: center; color: #b8c5d8; font-size: .9rem; }
.comparison-table td:first-child { text-align: left; color: #e0e6f0; font-weight: 500; }
.comparison-table tr:hover td { background: rgba(79,156,249,.04); }
.check { color: #22c55e; font-size: 1.1rem; }
.cross { color: #ef4444; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero-grid, .info-grid, .steps-grid, .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .reviewer-box { flex-direction: column; }
  nav { display: none; }
}
