/* =========================================================
   BIOFOODPACK — Sistema de diseño corporativo
   Consultoría de inocuidad y calidad alimentaria
   Tipografía: Inter (400–800) · Paleta: azul + verde de marca
   ========================================================= */

:root{
  /* Marca */
  --blue:        #033375;
  --blue-2:      #145AA3;
  --blue-deep:   #021F49;
  --green:       #6FDB44;   /* uso decorativo: fondos, iconos, badges */
  --green-ink:   #1F5C14;   /* uso en texto/enlaces sobre blanco (AA) */
  --ink:         #10243A;
  --muted:       #55666F;
  --line:        #E2E7EA;
  --line-strong: #C7D0D6;
  --paper:       #FFFFFF;
  --soft:        #F6F8F9;
  --soft-blue:   #EEF3F8;

  /* Sistema */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 10px rgba(3,51,117,.06);
  --shadow: 0 18px 46px rgba(3,51,117,.10);
  --shadow-lg: 0 24px 70px rgba(3,51,117,.16);
  --header-h: 84px;
  --maxw: 1220px;
  --ease: cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
ul{margin:0}
:focus-visible{outline:2.5px solid var(--blue-2);outline-offset:3px;border-radius:3px}
::selection{background:var(--green);color:var(--blue-deep)}

.wrap{width:min(var(--maxw),calc(100% - 44px));margin:0 auto}

.skip-link{
  position:absolute;left:12px;top:-60px;z-index:100;
  background:var(--blue);color:#fff;padding:12px 18px;border-radius:var(--radius-sm);
  font-weight:700;text-decoration:none;transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- Tipografía ---------- */
h1,h2,h3,h4,p,dl,figure{margin:0}
h1,h2,h3,h4{font-family:inherit;color:var(--ink);letter-spacing:-.02em}
h1{font-weight:800;font-size:clamp(38px,5.6vw,66px);line-height:1.04;letter-spacing:-.035em}
h2{font-weight:750;font-size:clamp(30px,3.6vw,44px);line-height:1.1;letter-spacing:-.03em}
h3{font-weight:700;font-size:20px;line-height:1.3}
h4{font-weight:700;font-size:16px}
p{color:var(--muted)}
.lead{font-size:19px;color:var(--muted);max-width:640px;line-height:1.65}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--green-ink);font-size:12.5px;text-transform:uppercase;
  letter-spacing:.12em;font-weight:700;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--green-ink);border-radius:2px;display:inline-block}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{font-size:17px}
.richtext{max-width:820px}
.richtext p,.richtext li{font-size:17px;color:var(--muted);line-height:1.75}
.richtext h2{margin-top:8px;margin-bottom:18px}
.richtext h3{margin-top:38px;margin-bottom:6px}

/* ---------- Layout utilities ---------- */
.section{padding:104px 0}
.section.alt{background:var(--soft)}
.section.tight{padding:70px 0}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.reverse{direction:rtl}
.split.reverse>*{direction:ltr}

/* ---------- Botones ---------- */
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:50px;padding:0 24px;
  background:var(--blue);color:#fff;
  text-decoration:none;font-weight:650;font-size:15px;
  border-radius:var(--radius-sm);border:1.5px solid var(--blue);
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  cursor:pointer;
}
.button:hover{background:var(--blue-2);border-color:var(--blue-2);transform:translateY(-2px)}
.button:active{transform:translateY(0)}
.button.secondary{background:transparent;color:var(--blue);border-color:var(--line-strong)}
.button.secondary:hover{border-color:var(--blue);background:var(--soft-blue);color:var(--blue)}
.button.on-dark{background:#fff;color:var(--blue);border-color:#fff}
.button.on-dark:hover{background:var(--soft-blue);color:var(--blue)}
.button svg{width:16px;height:16px;flex:none}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}

/* ---------- Header ---------- */
header{
  height:var(--header-h);position:sticky;top:0;z-index:40;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
header.is-scrolled{box-shadow:0 4px 22px rgba(3,51,117,.09)}
.header-inner{height:100%;display:flex;justify-content:space-between;align-items:center;gap:28px}
.brand{display:flex;align-items:center;text-decoration:none;flex:none}
.brand img{display:block;height:44px;width:auto}
nav.mainnav{display:flex;align-items:center;gap:6px}
.mainnav>ul{list-style:none;display:flex;align-items:center;gap:2px;padding:0;margin:0}
.mainnav>ul>li{position:relative}
.mainnav a{
  text-decoration:none;font-size:14.5px;font-weight:600;color:var(--ink);
  padding:10px 14px;border-radius:var(--radius-sm);display:inline-flex;align-items:center;gap:5px;
  transition:background .15s var(--ease),color .15s var(--ease);
}
.mainnav>ul>li>a:hover,.mainnav a[aria-current="page"]{color:var(--blue);background:var(--soft-blue)}
.mainnav .caret{width:9px;height:9px;flex:none;transition:transform .2s var(--ease)}
.has-drop:hover .caret,.has-drop:focus-within .caret{transform:rotate(180deg)}
.dropmenu{
  list-style:none;padding:8px;margin:0;
  position:absolute;top:calc(100% + 6px);left:0;width:262px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.has-drop:hover .dropmenu,.has-drop:focus-within .dropmenu{opacity:1;visibility:visible;transform:translateY(0)}
.dropmenu a{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:11px 12px;border-radius:var(--radius-sm);font-weight:600}
.dropmenu a small{font-weight:400;color:var(--muted);font-size:12.5px}
.dropmenu a:hover{background:var(--soft-blue);color:var(--blue)}
.nav-cta{margin-left:8px;padding:11px 20px!important;background:var(--blue);color:#fff!important;border-radius:var(--radius-sm)}
.nav-cta:hover{background:var(--blue-2)!important}
.menu-btn{display:none;border:0;background:none;color:var(--ink);padding:8px;cursor:pointer;border-radius:var(--radius-sm)}
.menu-btn svg{width:26px;height:26px}
.menu-btn:hover{background:var(--soft-blue)}

/* ---------- Hero ---------- */
.hero{padding:76px 0 88px;background:linear-gradient(180deg,#FFFFFF 0%,#F7FAFC 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:60px;align-items:center}
.hero h1{margin-bottom:20px}
.trust-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:38px}
.trust-chip{
  font-size:12.5px;font-weight:650;color:var(--blue);
  padding:7px 13px;border:1px solid var(--line-strong);border-radius:999px;background:#fff;
}
.trust-row .trust-label{font-size:12px;color:var(--muted);align-self:center;margin-right:2px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}

.hero-diagram{
  position:relative;min-height:420px;border-radius:var(--radius-lg);
  background:var(--blue);border:1px solid var(--blue);overflow:hidden;
  display:flex;align-items:center;padding:44px 40px;color:#fff;
}
.hero-diagram .bg-art{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
.hero-diagram .bg-art circle,.hero-diagram .bg-art path{vector-effect:non-scaling-stroke}
.hero-diagram-label{position:relative;z-index:1;font-size:12px;text-transform:uppercase;letter-spacing:.16em;font-weight:700;color:rgba(255,255,255,.6);margin-bottom:26px}
.diagram-steps{position:relative;z-index:1;list-style:none;padding:0;margin:0;width:100%}
.diagram-steps li{display:flex;gap:16px;padding:16px 0;position:relative}
.diagram-steps li:not(:last-child)::after{content:"";position:absolute;left:19px;top:52px;bottom:-6px;width:1.5px;background:rgba(255,255,255,.22)}
.diagram-steps .num{
  flex:none;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);
  border:1.5px solid rgba(255,255,255,.3);display:grid;place-items:center;font-weight:800;font-size:14px;
}
.diagram-steps strong{display:block;font-size:17px;font-weight:700;margin-bottom:3px}
.diagram-steps span{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.5}

/* ---------- Tarjetas de servicio ---------- */
.card{
  padding:28px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  display:flex;flex-direction:column;height:100%;
}
.card:hover{border-color:var(--blue-2);transform:translateY(-4px);box-shadow:var(--shadow)}
.card .icon{
  width:46px;height:46px;display:grid;place-items:center;border-radius:var(--radius-sm);
  background:var(--soft-blue);color:var(--blue);margin-bottom:20px;flex:none;
}
.card .icon svg{width:24px;height:24px}
.card .number{display:block;color:var(--green-ink);font-size:12.5px;font-weight:700;letter-spacing:.06em;margin-bottom:10px}
.card h3{margin-bottom:8px}
.card p{font-size:15px;flex:1;margin-bottom:16px}
.card .card-link{font-weight:700;color:var(--blue);text-decoration:none;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.card .card-link svg{width:15px;height:15px;transition:transform .18s var(--ease)}
.card .card-link:hover svg{transform:translateX(3px)}
.card .card-link:hover{color:var(--blue-2)}

/* ---------- Checklist ---------- */
.checklist{list-style:none;padding:0;margin:0}
.checklist li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
.checklist li:last-child{border-bottom:0}
.checklist svg{width:19px;height:19px;flex:none;color:var(--green-ink);margin-top:2px}

/* ---------- Placeholder editorial (sin fotografía real) ---------- */
.media-slot{
  position:relative;min-height:420px;border-radius:var(--radius-lg);
  background:
    radial-gradient(circle at 22% 24%, rgba(111,219,68,.16), transparent 42%),
    radial-gradient(circle at 82% 78%, rgba(20,90,163,.14), transparent 46%),
    var(--soft-blue);
  border:1px solid var(--line);
  overflow:hidden;display:flex;align-items:flex-end;
}
.media-slot::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(var(--line-strong) 1px, transparent 1px);
  background-size:22px 22px;opacity:.55;
}
.media-slot-caption{
  position:relative;z-index:1;margin:22px;padding:12px 16px;
  background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:12.5px;font-weight:650;color:var(--muted);display:flex;align-items:center;gap:8px;
}
.media-slot-caption svg{width:16px;height:16px;color:var(--blue-2);flex:none}

/* ---------- Proceso / metodología ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
.process > div{padding:30px 24px;border-right:1px solid var(--line);position:relative}
.process > div:last-child{border-right:0}
.process b{font-size:26px;color:var(--green-ink);font-weight:800;display:block;margin-bottom:34px}
.process h3{font-size:17px;margin-bottom:6px}
.process p{font-size:14px}

/* ---------- Banda CTA ---------- */
.band{padding:64px 0;background:var(--blue);color:#fff;background-image:radial-gradient(circle at 88% 18%, rgba(111,219,68,.18), transparent 45%)}
.band-inner{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.band h2{color:#fff;max-width:640px;margin-bottom:0}
.band p{color:rgba(255,255,255,.78);margin-top:10px;max-width:520px}

/* ---------- Contacto ---------- */
.subhero{padding:56px 0 52px;background:linear-gradient(180deg,#FFFFFF 0%,#F7FAFC 100%);border-bottom:1px solid var(--line)}
.subhero h1{max-width:820px}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:20px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.breadcrumb a{text-decoration:none;color:var(--muted)}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb span[aria-current]{color:var(--ink);font-weight:600}

.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.contact-card{border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;background:#fff}
.contact-card + .contact-card{margin-top:16px}
.contact dl{display:grid;grid-template-columns:auto 1fr;gap:14px 16px;align-items:center}
.contact dt{color:var(--muted)}
.contact dt .icon-circle{width:38px;height:38px;border-radius:50%;background:var(--soft-blue);color:var(--blue);display:grid;place-items:center}
.contact dt .icon-circle svg{width:18px;height:18px}
.contact dd{margin:0;font-weight:650;font-size:15.5px}
.contact dd a{text-decoration:none}
.contact dd a:hover{color:var(--blue)}

.form{display:grid;gap:18px;padding:34px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink)}
.field .opt{font-weight:400;text-transform:none;color:var(--muted);letter-spacing:0}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;border:1.5px solid var(--line-strong);border-radius:var(--radius-sm);
  background:var(--paper);color:var(--ink);font:inherit;font-size:15px;
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease);
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#AAB8C2}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--blue-2);box-shadow:0 0 0 4px rgba(20,90,163,.14);
}
.form.was-validated :invalid{border-color:#C0392B}
.form-note{font-size:13px;color:var(--muted);margin-top:-4px}
.form-status{display:none;padding:14px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:600}
.form-status.is-visible{display:block}
.form-status.ok{background:#EAF7E4;color:var(--green-ink);border:1px solid #BFE7AC}
.form-status.err{background:#FBEAEA;color:#8A2E24;border:1px solid #F0C4C0}
.map-frame{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;height:230px}
.map-frame iframe{width:100%;height:100%;border:0;display:block}

/* ---------- Navegación de servicios (subpáginas) ---------- */
.service-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:36px}
.service-nav a{
  padding:16px 18px;background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);
  text-decoration:none;font-weight:650;font-size:14.5px;color:var(--ink);
  display:flex;align-items:center;gap:10px;transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.service-nav a svg{width:18px;height:18px;color:var(--blue-2);flex:none}
.service-nav a:hover{border-color:var(--blue-2);color:var(--blue);background:var(--soft-blue)}
.service-nav a[aria-current="page"]{border-color:var(--blue);background:var(--soft-blue);color:var(--blue)}

/* ---------- Equipo / prueba social honesta ---------- */
.team-card{padding:26px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;display:flex;flex-direction:column;gap:12px}
.team-avatar{width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px}
.team-card.is-open{border-style:dashed;background:var(--soft)}
.team-card.is-open .team-avatar{background:var(--soft-blue);color:var(--blue-2);border:1.5px dashed var(--line-strong)}
.badge-pending{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--muted);background:var(--soft);border:1px solid var(--line);padding:5px 10px;border-radius:999px;width:fit-content}

.case-card{border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;background:#fff}
.case-card .number{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--blue-2);background:var(--soft-blue);padding:5px 10px;border-radius:999px;margin-bottom:16px}
.info-callout{border:1px dashed var(--line-strong);border-radius:var(--radius-lg);padding:30px;background:var(--soft)}

/* ---------- Footer ---------- */
footer{padding:60px 0 0;background:var(--blue-deep);color:#fff}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:44px}
.footer-brand strong{font-size:19px;font-weight:800;display:block;margin-bottom:12px}
.footer-brand p{color:rgba(255,255,255,.62);font-size:14.5px;max-width:280px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#fff;text-decoration:none;transition:background .18s var(--ease)}
.footer-social a:hover{background:var(--green);color:var(--blue-deep)}
.footer-social svg{width:17px;height:17px}
footer h4{color:rgba(255,255,255,.5);font-size:12px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px;font-weight:700}
.footer-grid a{display:flex;align-items:center;gap:8px;text-decoration:none;margin:0 0 12px;color:rgba(255,255,255,.82);font-size:14.5px;transition:color .15s var(--ease)}
.footer-grid a:hover{color:var(--green)}
.footer-grid a svg{width:15px;height:15px;flex:none;color:rgba(255,255,255,.5)}
.copyright{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;color:rgba(255,255,255,.5);font-size:12.5px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.copyright a{color:rgba(255,255,255,.5);text-decoration:none}
.copyright a:hover{color:#fff}

/* ---------- WhatsApp flotante ---------- */
.wa{
  position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;background:var(--green);color:var(--blue-deep);
  text-decoration:none;z-index:35;box-shadow:0 14px 34px rgba(3,51,117,.28);
  transition:transform .2s var(--ease);
}
.wa:hover{transform:translateY(-3px) scale(1.04)}
.wa svg{width:28px;height:28px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:950px){
  .menu-btn{display:inline-flex}
  nav.mainnav{
    display:none;position:fixed;left:0;right:0;top:var(--header-h);bottom:0;
    background:#fff;border-top:1px solid var(--line);
    padding:18px 22px;flex-direction:column;align-items:stretch;overflow-y:auto;
  }
  nav.mainnav.open{display:flex}
  .mainnav>ul{flex-direction:column;align-items:stretch;gap:2px;width:100%}
  .mainnav a{padding:14px 10px;font-size:16px;width:100%}
  .dropmenu{position:static;opacity:1;visibility:visible;transform:none;width:100%;box-shadow:none;border:0;padding:0 0 0 14px;display:none}
  .has-drop.open .dropmenu{display:grid}
  .has-drop.open .caret{transform:rotate(180deg)}
  .nav-cta{margin:12px 0 0;text-align:center}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .split{gap:40px}
  .split.reverse{direction:ltr}
  .grid-4{grid-template-columns:1fr 1fr}
  .grid-3,.footer-grid{grid-template-columns:1fr 1fr}
  .process{grid-template-columns:1fr 1fr}
  .process > div{border-bottom:1px solid var(--line)}
  .process > div:nth-child(2n){border-right:0}
  .service-nav{grid-template-columns:1fr 1fr}
  .band-inner{flex-direction:column;align-items:flex-start}
  .form-row{grid-template-columns:1fr}
}
@media (max-width:600px){
  .brand img{height:36px}
  .section{padding:72px 0}
  .section.tight{padding:52px 0}
  .grid-4,.grid-3,.grid-2,.process,.service-nav,.footer-grid{grid-template-columns:1fr}
  .process > div{border-right:0}
  .hero{padding:52px 0 64px}
  .hero-diagram{min-height:280px}
  .actions{flex-direction:column}
  .actions .button{width:100%}
  .contact dl{grid-template-columns:auto 1fr}
  .trust-row{gap:7px}
  footer{padding-top:48px}
}

/* ---------- Impresión ---------- */
@media print{
  header,.wa,.band,footer .footer-social{display:none}
  .section{padding:24px 0}
}