:root {
  --bg: #f6f8f9;
  --bg-alt: #eef2f3;
  --card: #ffffff;
  --ink: #1c2b2e;
  --ink-soft: #4b5d61;
  --muted: #6f8285;
  --line: #dde5e6;
  --brand: #1f6f6b;
  --brand-dark: #164f4c;
  --brand-soft: #e4f1ef;
  --accent: #b3742c;
  --accent-soft: #f6ecdd;
  --warn-bg: #fdf1e7;
  --warn-line: #e8c79a;
  --warn-ink: #7a4a12;
  --danger-bg: #fbebe9;
  --danger-line: #e8b3ac;
  --danger-ink: #8a2e22;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(20, 40, 40, 0.06);
  --shadow-lg: 0 8px 28px rgba(20, 40, 40, 0.10);
  --maxw: 1120px;
  font-size: 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px; gap: 20px; flex-wrap: wrap;
}
.brand { display: flex; align-items: baseline; gap: 8px; font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand .mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 9px; background: var(--brand);
  color: #fff; font-size: 0.78rem; font-weight: 800; letter-spacing: -0.5px;
}
.brand .tagline { font-weight: 400; color: var(--muted); font-size: 0.85rem; }

.main-nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.92rem; }
.main-nav a { color: var(--ink-soft); font-weight: 600; }
.main-nav a:hover { color: var(--brand-dark); }

.top-notice { background: var(--brand-dark); color: #eaf5f3; font-size: 0.82rem; text-align: center; padding: 7px 16px; }
.top-notice a { color: #fff; text-decoration: underline; }

.hero { padding: 56px 0 40px; background: linear-gradient(180deg, var(--brand-soft) 0%, var(--bg) 100%); border-bottom: 1px solid var(--line); }
.hero h1 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 0 0 14px; letter-spacing: -0.02em; color: var(--ink); }
.hero p.lead { font-size: 1.08rem; color: var(--ink-soft); max-width: 62ch; margin: 0 0 22px; }
.hero .stats { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 26px; }
.hero .stat b { display: block; font-size: 1.6rem; color: var(--brand-dark); }
.hero .stat span { font-size: 0.82rem; color: var(--muted); }

.search-box { margin-top: 22px; max-width: 480px; position: relative; }
.search-box input {
  width: 100%; padding: 13px 16px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card); font-size: 0.98rem; box-shadow: var(--shadow);
}
.search-box input:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
#search-results {
  margin-top: 10px; background: var(--card); border-radius: var(--radius);
  border: 1px solid var(--line); overflow: hidden; display: none; box-shadow: var(--shadow-lg);
  position: absolute; width: 100%; z-index: 30; max-height: 340px; overflow-y: auto;
}
#search-results.active { display: block; }
#search-results a { display: block; padding: 10px 16px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 0.92rem; }
#search-results a:last-child { border-bottom: none; }
#search-results a:hover { background: var(--brand-soft); text-decoration: none; }
#search-results a .cat-tag { color: var(--muted); font-size: 0.78rem; margin-left: 6px; }
#search-results .no-results { padding: 14px 16px; color: var(--muted); font-size: 0.9rem; }

section { padding: 44px 0; }
h2.section-title { font-size: 1.5rem; margin: 0 0 6px; letter-spacing: -0.01em; }
p.section-sub { color: var(--muted); margin: 0 0 28px; max-width: 68ch; }

.grid-categories { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.cat-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); transition: transform 0.15s ease, box-shadow 0.15s ease; color: var(--ink);
}
.cat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); text-decoration: none; }
.cat-card .icon {
  width: 40px; height: 40px; border-radius: 10px; background: var(--brand-soft); color: var(--brand-dark);
  display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 12px;
}
.cat-card h3 { margin: 0 0 4px; font-size: 1.08rem; }
.cat-card p { margin: 0; color: var(--muted); font-size: 0.86rem; }
.cat-card .count { display: inline-block; margin-top: 10px; font-size: 0.78rem; color: var(--brand-dark); font-weight: 700; }

.grid-peptides { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.pep-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow); color: var(--ink); display: flex; flex-direction: column; gap: 6px;
}
.pep-card:hover { box-shadow: var(--shadow-lg); text-decoration: none; transform: translateY(-2px); }
.pep-card h3 { margin: 0; font-size: 1.05rem; }
.pep-card .subtitle { color: var(--muted); font-size: 0.82rem; font-style: italic; }
.pep-card .snippet {
  color: var(--ink-soft); font-size: 0.86rem; overflow: hidden;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
}
.pep-card .tags { margin-top: 6px; display: flex; gap: 6px; flex-wrap: wrap; }

.tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  background: var(--brand-soft); color: var(--brand-dark); text-transform: uppercase; letter-spacing: 0.02em;
}
.tag.alt { background: var(--accent-soft); color: var(--accent); }
.tag.rx { background: var(--danger-bg); color: var(--danger-ink); margin-left: 6px; }

.breadcrumb { font-size: 0.84rem; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand-dark); }

.pep-header { padding: 34px 0 26px; border-bottom: 1px solid var(--line); background: var(--card); }
.pep-header h1 { margin: 6px 0 4px; font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.02em; }
.pep-header .subtitle { color: var(--muted); font-style: italic; font-size: 1rem; margin-bottom: 14px; }
.pep-header .lede { color: var(--ink-soft); max-width: 78ch; font-size: 1.02rem; }

.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 860px) { .detail-grid { grid-template-columns: 1fr; } }

.card-block { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; margin-bottom: 22px; box-shadow: var(--shadow); }
.card-block h2 { font-size: 1.15rem; margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }
.card-block h2 .num {
  display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%;
  background: var(--brand-soft); color: var(--brand-dark); font-size: 0.78rem; font-weight: 800;
}

ul.clean, ol.clean { margin: 0; padding-left: 1.2rem; }
ul.clean li, ol.clean li { margin-bottom: 9px; color: var(--ink-soft); }
ul.clean li:last-child, ol.clean li:last-child { margin-bottom: 0; }
ul.clean li strong, ol.clean li strong { color: var(--ink); }

.precaution-block { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: var(--radius); padding: 24px 26px; margin-bottom: 22px; }
.precaution-block h2 { color: var(--warn-ink); margin: 0 0 6px; font-size: 1.15rem; }
.precaution-block .sub { color: var(--warn-ink); opacity: 0.85; font-size: 0.86rem; margin-bottom: 14px; }
.precaution-block ul.clean li { color: var(--warn-ink); }

.sidebar .card-block { position: sticky; top: 84px; }

dl.meta { margin: 0; }
dl.meta dt { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin-top: 14px; }
dl.meta dt:first-child { margin-top: 0; }
dl.meta dd { margin: 3px 0 0; color: var(--ink); font-weight: 600; }

.combo-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.combo-list a { display: inline-block; padding: 5px 12px; border-radius: 999px; background: var(--brand-soft); color: var(--brand-dark); font-size: 0.82rem; font-weight: 600; }
.combo-list a:hover { background: var(--brand); color: #fff; text-decoration: none; }
.combo-list span.plain { display: inline-block; padding: 5px 12px; border-radius: 999px; background: var(--bg-alt); color: var(--ink-soft); font-size: 0.82rem; }

.legal-callout { background: var(--danger-bg); border: 1px solid var(--danger-line); color: var(--danger-ink); border-radius: var(--radius); padding: 18px 22px; font-size: 0.9rem; margin: 22px 0; }
.legal-callout strong { display: block; margin-bottom: 4px; }

.site-footer { border-top: 1px solid var(--line); background: var(--card); padding: 36px 0 28px; margin-top: 40px; color: var(--muted); font-size: 0.86rem; }
.site-footer .foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; margin-bottom: 22px; }
@media (max-width: 700px) { .site-footer .foot-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: var(--ink); font-size: 0.86rem; margin: 0 0 10px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 6px; }
.site-footer .disclaimer { border-top: 1px solid var(--line); padding-top: 18px; line-height: 1.6; }

.btn { display: inline-block; padding: 10px 20px; border-radius: 999px; background: var(--brand); color: #fff !important; font-weight: 700; font-size: 0.9rem; }
.btn:hover { background: var(--brand-dark); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--brand-dark) !important; border: 1px solid var(--brand); }
.btn.ghost:hover { background: var(--brand-soft); }

.pill-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.pill-nav a { padding: 7px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--ink-soft); font-size: 0.85rem; font-weight: 600; }
.pill-nav a.active, .pill-nav a:hover { background: var(--brand); border-color: var(--brand); color: #fff; text-decoration: none; }

.az-index { columns: 3; column-gap: 24px; }
@media (max-width: 700px) { .az-index { columns: 1; } }
.az-index li { break-inside: avoid; margin-bottom: 6px; font-size: 0.88rem; }

.back-link { display: inline-block; margin-bottom: 18px; font-size: 0.88rem; font-weight: 600; }

.chat-window { max-height: 420px; min-height: 220px; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 12px; background: var(--bg-alt); }
.msg { display: flex; }
.msg.user { justify-content: flex-end; }
.msg .bubble { max-width: 80%; padding: 10px 14px; border-radius: 14px; font-size: 0.92rem; line-height: 1.55; white-space: pre-wrap; }
.msg.assistant .bubble { background: var(--card); border: 1px solid var(--line); color: var(--ink); border-bottom-left-radius: 4px; }
.msg.user .bubble { background: var(--brand); color: #fff; border-bottom-right-radius: 4px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 20px; border-top: 1px solid var(--line); background: var(--card); }
.chip { border: 1px solid var(--line); background: var(--bg-alt); color: var(--ink-soft); font-size: 0.78rem; padding: 6px 12px; border-radius: 999px; cursor: pointer; font-weight: 600; }
.chip:hover { background: var(--brand-soft); color: var(--brand-dark); }
.chat-input-row { display: flex; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--line); background: var(--card); }
.chat-input-row input { flex: 1; padding: 11px 14px; border-radius: 999px; border: 1px solid var(--line); font-size: 0.92rem; }
.chat-input-row input:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
.chat-input-row button { border: none; cursor: pointer; }

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff !important;
  padding: 14px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.22);
  text-decoration: none !important;
  transition: box-shadow 0.2s ease, transform 0.2s ease, padding 0.2s ease;
}
.whatsapp-float:hover { box-shadow: 0 8px 22px rgba(0,0,0,0.3); transform: translateY(-2px); }
.whatsapp-float svg { flex-shrink: 0; }
.whatsapp-float .wa-label {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 700;
  transition: max-width 0.3s ease;
}
.whatsapp-float:hover .wa-label { max-width: 260px; }
@media (max-width: 700px) {
  .whatsapp-float { right: 14px; bottom: 14px; padding: 13px; }
  .whatsapp-float .wa-label { display: none; }
}


.protocolo{width:100%;border-collapse:collapse;margin:14px 0 6px;font-size:14.5px}
.protocolo th{background:var(--brand-dark);color:#fff;text-align:left;padding:11px 14px;font-size:12px;text-transform:uppercase;letter-spacing:.03em;font-weight:700}
.protocolo th:first-child{border-top-left-radius:10px}
.protocolo th:last-child{border-top-right-radius:10px}
.protocolo td{padding:11px 14px;border-bottom:1px solid var(--line)}
.protocolo tbody tr:nth-child(even){background:var(--brand-soft)}
.protocolo td:first-child{font-weight:700;color:var(--ink)}
.protocolo td:nth-child(2),.protocolo td:nth-child(3){color:var(--ink-soft)}
@media(max-width:520px){.protocolo{font-size:13px}.protocolo th,.protocolo td{padding:9px 10px}}

.recon-cta{display:flex;align-items:center;gap:18px;margin:24px 0 4px;padding:20px 24px;background:linear-gradient(135deg,var(--brand-dark),var(--brand));border-radius:18px;text-decoration:none;box-shadow:0 6px 22px rgba(31,111,107,.25);transition:.15s}
.recon-cta:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(31,111,107,.32)}
.recon-cta .rc-icon{width:54px;height:54px;border-radius:14px;background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;flex:none}
.recon-cta .rc-icon svg{width:30px;height:30px;stroke:#fff;fill:none;stroke-width:1.7}
.recon-cta .rc-text{flex:1}
.recon-cta .rc-text .rc-t{display:block;font-size:19px;font-weight:700;margin-bottom:3px;color:#fff}
.recon-cta .rc-text .rc-d{display:block;font-size:14px;color:rgba(255,255,255,.9);line-height:1.4}
.recon-cta .rc-btn{flex:none;background:#fff;color:var(--brand-dark);font-weight:700;font-size:15px;padding:12px 20px;border-radius:11px;white-space:nowrap}
@media(max-width:600px){.recon-cta{flex-direction:column;text-align:center;align-items:stretch}.recon-cta .rc-icon{margin:0 auto}}

.guia-img{margin:16px 0;text-align:center}
.guia-img img{max-width:100%;width:auto;max-height:360px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px}
.guia-img figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.syr-compare{display:flex;gap:14px;flex-wrap:wrap;margin:10px 0}
.syr-compare>div{flex:1;min-width:220px;border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fbfdfd}
.syr-compare h4{margin:0 0 6px;font-size:15px;color:var(--brand-dark)}

.search-bar{padding:14px 0 2px;position:relative}
.search-bar .search-box{margin-top:0;max-width:560px;position:relative}
.search-bar #search-results{position:absolute;left:0;right:0;top:100%;margin-top:6px;z-index:30}

.para-que{display:flex;gap:14px;background:var(--brand-soft);border:1px solid #cfe6e3;border-left:4px solid var(--brand);border-radius:12px;padding:16px 18px;margin:0 0 22px}
.para-que .pq-icon{flex:none;width:40px;height:40px;border-radius:10px;background:var(--brand);display:flex;align-items:center;justify-content:center}
.para-que .pq-icon svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.8}
.para-que .pq-title{display:block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--brand-dark);margin-bottom:4px}
.para-que p{margin:0;font-size:15px;color:var(--ink);line-height:1.5}

.benefits{list-style:none;padding:0;margin:12px 0 0}
.benefits li{position:relative;padding:9px 0 9px 32px;border-bottom:1px solid var(--line);font-size:15px}
.benefits li:last-child{border-bottom:none}
.benefits li::before{content:"";position:absolute;left:0;top:10px;width:20px;height:20px;border-radius:50%;background:var(--brand);opacity:.12}
.benefits li::after{content:"";position:absolute;left:6px;top:14px;width:7px;height:4px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}
.benefit-intro{font-size:15px;color:var(--ink-soft);margin:0 0 4px}

.refs{list-style:none;padding:0;margin:8px 0 0}
.refs li{padding:9px 0;border-bottom:1px solid var(--line);color:var(--ink-soft);line-height:1.5;font-size:14px}
.refs li:last-child{border-bottom:none}
.refs a{color:var(--brand);font-weight:600;white-space:nowrap}
.refs em{color:var(--ink)}