/* TotalPep Colombia — hoja de estilos principal
   Paleta y tipografía definidas en el brief de marca (ver /docs internos de la agencia). */

:root{
  --ink:#0A2440;
  --steel:#123A5E;
  --signal:#2E6FA8;
  --signal-light:#6FA8D6;
  --tint:#E3ECF4;
  --cloud:#F6F8FA;
  --white:#FFFFFF;
  --amber:#C1691F;
  --amber-deep:#9C5119;
  --amber-tint:#F7E7D8;
  --green:#2F8F5B;
  --green-tint:#E3F3EA;
  --text:#152A3E;
  --text-soft:#4E6478;
  --line:#D8E2EA;
  --radius:14px;
  --serif-display:'Space Grotesk', sans-serif;
  --sans:'IBM Plex Sans', sans-serif;
  --mono:'IBM Plex Mono', monospace;
}

*, *::before, *::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--cloud);
  color:var(--text);
  font-family:var(--sans);
  -webkit-font-smoothing:antialiased;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

h1,h2,h3,h4{
  font-family:var(--serif-display);
  font-weight:600;
  margin:0;
  color:var(--ink);
  letter-spacing:-0.01em;
}
p{ margin:0; line-height:1.6; }

.wrap{ max-width:1180px; margin:0 auto; padding:0 24px; }
@media (min-width:900px){ .wrap{ padding:0 40px; } }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--signal); font-weight:500;
}
.eyebrow.on-dark{ color:var(--signal-light); }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 26px; border-radius:999px; font-family:var(--sans);
  font-weight:600; font-size:15px; border:1px solid transparent;
  cursor:pointer; white-space:nowrap;
}
.btn-amber{ background:var(--amber); color:#fff; }
.btn-amber:hover{ background:var(--amber-deep); }
.btn-ghost-dark{ background:transparent; color:#fff; border-color:rgba(255,255,255,.35); }
.btn-ghost-dark:hover{ border-color:#fff; }
.btn-line{ background:#fff; color:var(--ink); border-color:var(--line); }
.btn-line:hover{ border-color:var(--signal); }
.btn-sm{ padding:9px 16px; font-size:13px; }

.section{ padding:56px 0; }
.section-tight{ padding:40px 0; }
@media (min-width:900px){ .section{ padding:88px 0; } .section-tight{ padding:56px 0; } }

.section-head{ max-width:640px; margin-bottom:36px; }
.section-head .eyebrow{ margin-bottom:14px; }
.section-head h2{ font-size:28px; line-height:1.15; margin-bottom:14px; }
@media (min-width:900px){ .section-head h2{ font-size:36px; } }
.section-head p{ color:var(--text-soft); font-size:16px; }

.badge{
  display:inline-flex; align-items:center; gap:6px; font-family:var(--mono);
  font-size:11.5px; letter-spacing:.03em; padding:5px 10px; border-radius:999px;
  background:var(--tint); color:var(--steel); font-weight:500;
}
.badge.amber{ background:var(--amber-tint); color:var(--amber-deep); }

.icon{ width:20px; height:20px; stroke:currentColor; fill:none; stroke-width:1.6; flex-shrink:0; }

/* Header */
.site-header{ background:var(--ink); border-bottom:1px solid rgba(255,255,255,.08); position:sticky; top:0; z-index:40; }
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; padding:16px 24px; gap:20px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ width:38px; height:38px; object-fit:contain; border-radius:8px; background:#fff; }
.brand-name{ font-family:var(--serif-display); font-weight:700; color:#fff; font-size:16px; line-height:1.1; }
.brand-name span{ display:block; font-family:var(--mono); font-weight:400; font-size:10px; letter-spacing:.16em; color:var(--signal-light); margin-top:2px; }

.nav{ display:none; gap:28px; }
.nav a{ color:#C9D8E5; font-size:14.5px; font-weight:500; }
.nav a:hover{ color:#fff; }
@media (min-width:900px){ .nav{ display:flex; } }

.nav-toggle{
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:9px; border:1px solid rgba(255,255,255,.2);
  background:transparent; color:#fff; cursor:pointer;
}
@media (min-width:900px){ .nav-toggle{ display:none; } }

.nav-mobile{
  display:none; flex-direction:column; gap:2px;
  background:var(--steel); border-top:1px solid rgba(255,255,255,.1);
}
.nav-mobile.open{ display:flex; }
.nav-mobile a{ color:#DCE8F2; font-size:15px; padding:14px 24px; border-bottom:1px solid rgba(255,255,255,.08); }
@media (min-width:900px){ .nav-mobile{ display:none !important; } }

.header-cta{ display:none; }
@media (min-width:640px){ .header-cta{ display:inline-flex; } }

/* Hero */
.hero{ background:linear-gradient(180deg,var(--ink) 0%, var(--steel) 100%); padding:48px 0 0; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:1fr; gap:40px; align-items:center; }
@media (min-width:900px){ .hero-grid{ grid-template-columns:1.05fr .95fr; gap:56px; } }

.hero h1{ font-size:34px; line-height:1.12; color:#fff; margin:16px 0 20px; }
@media (min-width:640px){ .hero h1{ font-size:44px; } }
@media (min-width:1100px){ .hero h1{ font-size:52px; line-height:1.08; } }
.hero h1 em{ font-style:normal; color:var(--signal-light); }
.hero p.lead{ color:#C9D8E5; font-size:17px; max-width:540px; margin-bottom:30px; }

.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:40px; }

.stat-row{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px 16px; border-top:1px solid rgba(255,255,255,.14); padding:24px 0; }
@media (min-width:640px){ .stat-row{ grid-template-columns:repeat(4,1fr); } }
.stat-row b{ display:block; font-family:var(--serif-display); color:#fff; font-size:22px; }
@media (min-width:640px){ .stat-row b{ font-size:26px; } }
.stat-row span{ font-size:12px; color:#9FB6C9; font-family:var(--mono); letter-spacing:.02em; }

.hero-visual{ display:flex; align-items:center; justify-content:center; padding:8px 0 40px; }
.vial-card{
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.14);
  border-radius:20px; padding:32px; width:100%; max-width:360px;
}
.vial-card .molecule{ width:100%; height:110px; margin-bottom:20px; }
.vial-card .purity-ring{ display:flex; align-items:center; gap:16px; padding-top:18px; border-top:1px solid rgba(255,255,255,.14); }
.vial-card .purity-num{ font-family:var(--serif-display); font-size:36px; color:#fff; }
.vial-card .purity-label{ font-family:var(--mono); font-size:11px; color:#9FB6C9; letter-spacing:.04em; }

/* Trust bar */
.trust-bar{ background:#fff; border-bottom:1px solid var(--line); }
.trust-bar .wrap{ display:grid; grid-template-columns:1fr 1fr; gap:20px; padding:22px 24px; }
@media (min-width:640px){ .trust-bar .wrap{ grid-template-columns:repeat(4,1fr); padding:26px 40px; } }
.trust-item{ display:flex; align-items:center; gap:12px; }
.trust-item .icon{ color:var(--signal); }
.trust-item b{ display:block; font-size:13.5px; color:var(--ink); }
.trust-item span{ font-size:12px; color:var(--text-soft); }

/* Catalog */
.chips{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:30px; }
.chip{
  padding:9px 16px; border-radius:999px; font-size:13px; font-weight:500;
  border:1px solid var(--line); background:#fff; color:var(--text-soft); cursor:pointer;
}
.chip.active{ background:var(--ink); color:#fff; border-color:var(--ink); }

.catalog-grid{ display:grid; grid-template-columns:1fr; gap:18px; }
@media (min-width:640px){ .catalog-grid{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1000px){ .catalog-grid{ grid-template-columns:repeat(3,1fr); gap:22px; } }

.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:24px; display:flex; flex-direction:column; gap:14px;
}
.card-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:10px; flex-wrap:wrap; }
.card-vial{ width:100%; height:88px; display:flex; align-items:center; justify-content:center; background:var(--tint); border-radius:10px; }
.card-vial .icon{ width:38px; height:38px; color:var(--signal); stroke-width:1.3; }
.card h3{ font-size:18px; }
.card .presentation{ font-family:var(--mono); font-size:12px; color:var(--text-soft); }
.card-bottom{ display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:14px; border-top:1px solid var(--line); }
.price{ font-family:var(--serif-display); font-size:19px; color:var(--ink); }
.price span{ display:block; font-family:var(--mono); font-size:10px; color:var(--text-soft); font-weight:400; }

/* COA */
.coa-box{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:28px; display:grid; grid-template-columns:1fr; gap:26px; }
@media (min-width:800px){ .coa-box{ grid-template-columns:1fr 1fr; align-items:center; padding:36px; } }
.coa-points{ display:flex; flex-direction:column; gap:16px; }
.coa-point{ display:flex; gap:12px; align-items:flex-start; }
.coa-point .icon{ color:var(--green); margin-top:2px; }
.coa-point b{ display:block; font-size:14.5px; }
.coa-point span{ font-size:13px; color:var(--text-soft); }
.coa-select{ border:1px dashed var(--line); border-radius:12px; padding:24px; text-align:center; }
.coa-select select{ width:100%; padding:12px 14px; border-radius:8px; border:1px solid var(--line); font-family:var(--sans); font-size:14px; margin-bottom:14px; color:var(--text-soft); }

/* Why */
.why-grid{ display:grid; grid-template-columns:1fr; gap:18px; }
@media (min-width:640px){ .why-grid{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1000px){ .why-grid{ grid-template-columns:repeat(4,1fr); } }
.why-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:24px; }
.why-card .icon-wrap{ width:42px; height:42px; border-radius:10px; background:var(--tint); display:flex; align-items:center; justify-content:center; margin-bottom:14px; }
.why-card .icon{ color:var(--signal); }
.why-card h3{ font-size:16px; margin-bottom:8px; }
.why-card p{ font-size:13.5px; color:var(--text-soft); }

/* Process */
.process{ background:var(--ink); border-radius:20px; padding:32px 24px; }
@media (min-width:640px){ .process{ padding:56px; } }
.process .section-head h2, .process .section-head p{ color:#fff; }
.process .section-head p{ color:#B9CCDC; }
.process-steps{ display:grid; grid-template-columns:1fr; gap:26px; }
@media (min-width:800px){ .process-steps{ grid-template-columns:repeat(3,1fr); } }
.step{ border-top:2px solid var(--signal); padding-top:16px; }
.step b{ font-family:var(--mono); color:var(--signal-light); font-size:12.5px; }
.step h3{ color:#fff; font-size:17px; margin:10px 0 8px; }
.step p{ color:#AEC3D4; font-size:14px; }

/* FAQ */
.faq-item{ border-bottom:1px solid var(--line); padding:20px 0; }
.faq-item summary{
  font-family:var(--serif-display); font-size:16px; color:var(--ink);
  cursor:pointer; display:flex; justify-content:space-between; align-items:center;
  list-style:none; gap:12px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .icon{ color:var(--text-soft); flex-shrink:0; }
.faq-item p{ color:var(--text-soft); font-size:14.5px; margin-top:12px; max-width:720px; }

/* Footer */
.site-footer{ background:var(--ink); color:#B9CCDC; padding:48px 0 26px; }
.footer-grid{ display:grid; grid-template-columns:1fr; gap:32px; margin-bottom:40px; }
@media (min-width:640px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (min-width:900px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1fr; } }
.footer-grid h4{ color:#fff; font-family:var(--sans); font-size:13px; text-transform:uppercase; letter-spacing:.06em; margin-bottom:14px; }
.footer-grid a{ display:block; font-size:14px; color:#B9CCDC; margin-bottom:10px; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12); padding-top:22px; font-size:12px; color:#7E96A9;
  display:flex; flex-direction:column; gap:8px;
}
@media (min-width:640px){ .footer-bottom{ flex-direction:row; justify-content:space-between; } }

/* Floating WhatsApp CTA */
.wa-float{
  position:fixed; right:20px; bottom:20px; z-index:50;
  display:flex; align-items:center; gap:10px;
  background:var(--amber); color:#fff; padding:14px 20px; border-radius:999px;
  box-shadow:0 14px 30px -10px rgba(193,105,31,.55); font-weight:600; font-size:14px;
}
.wa-float .icon{ width:22px; height:22px; }
@media (max-width:480px){
  .wa-float span{ display:none; }
  .wa-float{ padding:14px; }
}

.pending-note{
  background:var(--amber-tint); border:1px solid #EAD3B4; color:var(--amber-deep);
  border-radius:10px; padding:10px 14px; font-family:var(--mono); font-size:11.5px; margin-top:10px;
}