/* =========================================================================
   VETLIFE — global styles
   Paleta derivada del logo (navy + turquesa clínico). Look farmacéutico.
   ========================================================================= */

:root{
  --navy:#1E1A78;
  --navy-deep:#12104F;
  --gray-brand:#8C8C92;
  --paper:#F7F8FC;
  --white:#FFFFFF;
  --accent:#b4dcf8;
  --accent-deep:#7fb0e9;
  --ink:#15152B;
  --line:#E4E6F0;
  --wa:#25D366;

  --radius:14px;
  --radius-sm:10px;
  --shadow:0 14px 40px -18px rgba(18,16,79,.30);
  --shadow-soft:0 6px 20px -12px rgba(18,16,79,.25);
  --maxw:1200px;
  --header-h:72px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Tipografía / utilidades ---------- */
.eyebrow{
  font-family:"Archivo",sans-serif;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.72rem;
  font-weight:600;
  color:var(--accent-deep);
  margin:0 0 .6rem;
}
.eyebrow-light{color:#7FE3D8}
.section-title{
  font-family:"Archivo",sans-serif;
  font-weight:700;
  font-size:clamp(1.7rem,3.4vw,2.4rem);
  letter-spacing:-.01em;
  margin:0 0 .4rem;
  color:var(--navy-deep);
}
.section-lead{color:var(--gray-brand);max-width:60ch;margin:.2rem 0 0}
.section{padding:clamp(56px,8vw,104px) 0}

/* ---------- Botones ---------- */
.btn{
  --bg:var(--navy);--fg:#fff;--bd:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  background:var(--bg);color:var(--fg);
  border:1.5px solid var(--bd);
  font-family:"Archivo",sans-serif;font-weight:600;font-size:.95rem;
  padding:.72rem 1.3rem;border-radius:999px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn .ico{width:1.05em;height:1.05em}
.btn:hover{transform:translateY(-2px)}
.btn-accent{--bg:var(--accent);--fg:#06302c;box-shadow:0 8px 22px -12px rgba(46,196,182,.9)}
.btn-accent:hover{--bg:var(--accent-deep);--fg:#fff;box-shadow:0 12px 26px -10px rgba(46,196,182,.95)}
.btn-ghost{--bg:transparent;--fg:#fff;--bd:rgba(255,255,255,.55)}
.btn-ghost:hover{--bd:#fff;background:rgba(255,255,255,.08)}
.btn-outline{--bg:transparent;--fg:var(--navy);--bd:var(--line)}
.btn-outline:hover{--bd:var(--accent);--fg:var(--accent-deep)}
.btn-sm{padding:.55rem 1rem;font-size:.85rem}
.btn-lg{padding:.9rem 1.7rem;font-size:1.02rem}

/* ============================ HEADER ============================ */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;height:var(--header-h);
  display:flex;align-items:center;
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(10px);box-shadow:0 1px 0 var(--line),0 10px 30px -22px rgba(18,16,79,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center}
.brand-logo{height:40px;width:auto}
.brand-fallback{
  font-family:"Archivo",sans-serif;font-weight:800;font-size:1.5rem;letter-spacing:-.02em;
  color:var(--gray-brand);align-items:center;
}
.brand-fallback b{color:var(--navy);font-weight:800}
/* color del wordmark cuando el header es transparente (sobre hero oscuro) */
.site-header:not(.scrolled) .brand-fallback{color:#cfd0e6}
.site-header:not(.scrolled) .brand-fallback b{color:#fff}

.nav-desktop{display:flex;gap:1.6rem}
.nav-desktop a{
  font-family:"Archivo",sans-serif;font-weight:600;font-size:.92rem;
  color:var(--navy-deep);padding:.3rem 0;position:relative;transition:color .2s;
}
.site-header:not(.scrolled) .nav-desktop a{color:rgba(255,255,255,.86)}
.nav-desktop a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--accent);transition:width .25s}
.nav-desktop a:hover::after{width:100%}

.header-actions{display:flex;align-items:center;gap:.8rem}

.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:6px}
.hamburger span{width:24px;height:2px;background:var(--navy-deep);border-radius:2px;transition:.3s}
.site-header:not(.scrolled) .hamburger span{background:#fff}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Drawer móvil */
.drawer{
  position:fixed;inset:0;z-index:55;background:var(--navy-deep);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s;
}
.drawer.open{opacity:1;visibility:visible}
.drawer-nav{display:flex;flex-direction:column;gap:1.4rem;text-align:center;padding:2rem}
.drawer-nav a{font-family:"Archivo",sans-serif;font-weight:700;font-size:1.6rem;color:#fff;opacity:0;transform:translateY(12px)}
.drawer.open .drawer-nav a{animation:drawerIn .4s forwards}
.drawer.open .drawer-nav a:nth-child(1){animation-delay:.06s}
.drawer.open .drawer-nav a:nth-child(2){animation-delay:.12s}
.drawer.open .drawer-nav a:nth-child(3){animation-delay:.18s}
.drawer.open .drawer-nav a:nth-child(4){animation-delay:.24s}
.drawer.open .drawer-nav a:nth-child(5){animation-delay:.30s}
.drawer-nav .btn{margin-top:1rem;font-size:1.05rem}
@keyframes drawerIn{to{opacity:1;transform:none}}

/* ============================== HERO ============================== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 520px at 78% -8%, #2a2596 0%, transparent 60%),
    linear-gradient(160deg,var(--navy-deep) 0%, #1a1668 55%, var(--navy-deep) 100%);
  color:#fff;
  padding:calc(var(--header-h) + clamp(48px,9vw,96px)) 0 clamp(64px,9vw,110px);
}
/* patrón de puntos muy tenue */
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px, transparent 1.4px);
  background-size:26px 26px;mask-image:linear-gradient(180deg,#000,transparent 80%);
  pointer-events:none;
}
.hero-paw{position:absolute;right:-60px;top:40px;width:min(560px,55vw);color:#fff;opacity:.04;pointer-events:none}
.hero-paw ellipse{opacity:0;animation:pawIn .5s forwards}
.hero-paw ellipse:nth-child(1){animation-delay:.45s}
.hero-paw ellipse:nth-child(2){animation-delay:.15s}
.hero-paw ellipse:nth-child(3){animation-delay:.25s}
.hero-paw ellipse:nth-child(4){animation-delay:.05s}
.hero-paw ellipse:nth-child(5){animation-delay:.10s}
@keyframes pawIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.hero-inner{position:relative;z-index:2;max-width:780px}
.hero-title{
  font-family:"Archivo",sans-serif;font-weight:800;
  font-size:clamp(2.4rem,6vw,4.6rem);line-height:1.02;letter-spacing:-.02em;
  margin:.2rem 0 1rem;
  animation:rise .7s cubic-bezier(.2,.7,.2,1) both;
}
.hero-sub{font-size:clamp(1.02rem,1.6vw,1.25rem);color:#c9cae6;max-width:60ch;margin:0 0 1.8rem;animation:rise .7s .1s cubic-bezier(.2,.7,.2,1) both}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem;animation:rise .7s .2s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

.hero-trust{display:flex;align-items:center;flex-wrap:wrap;gap:.7rem 1rem;margin-top:2.4rem;animation:rise .7s .3s both}
.hero-trust>span{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:#8f90c4}
.trust-badges{display:flex;flex-wrap:wrap;gap:.5rem}
.tbadge{
  font-family:"Archivo",sans-serif;font-weight:600;font-size:.8rem;
  padding:.35rem .8rem;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);color:#e7e8ff;background:rgba(255,255,255,.04);
}

/* ===================== CHIPS DE CATEGORÍA ===================== */
.chipbar{position:sticky;top:var(--header-h);z-index:40;background:var(--white);border-bottom:1px solid var(--line)}
.chipbar-inner{display:flex;gap:.55rem;overflow-x:auto;padding:.85rem 24px;scroll-snap-type:x proximity;scrollbar-width:none}
.chipbar-inner::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;scroll-snap-align:start;
  font-family:"Archivo",sans-serif;font-weight:600;font-size:.85rem;
  padding:.5rem 1rem;border-radius:999px;border:1px solid var(--line);
  background:var(--white);color:var(--navy-deep);white-space:nowrap;
  transition:.2s;
}
.chip:hover{border-color:var(--accent);color:var(--accent-deep)}
.chip.active{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ============================ CATÁLOGO ============================ */
.catalog{background:var(--paper)}
.catalog-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1.4rem;flex-wrap:wrap;margin-top:.2rem}
.search-wrap{position:relative;flex:1;min-width:240px;max-width:420px}
.search-ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--gray-brand)}
#search{
  width:100%;padding:.8rem 1rem .8rem 2.6rem;
  border:1px solid var(--line);border-radius:999px;background:var(--white);
  font-size:.95rem;color:var(--ink);transition:.2s;
}
#search:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(46,196,182,.15)}
.catalog-meta{color:var(--gray-brand);font-size:.85rem;margin:1.2rem 0 1.6rem}

.product-grid{
  display:grid;gap:1.1rem;
  grid-template-columns:repeat(4,1fr);
}
.card{
  display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4d7ea}

/* entrada on-scroll */
.card.reveal{opacity:0;transform:translateY(16px)}
.card.reveal.in{opacity:1;transform:none;transition:opacity .5s ease,transform .5s ease}

.card-media{position:relative;aspect-ratio:4/3;background:linear-gradient(135deg,#eef0f8,#e3e6f5);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:contain;padding:14px;mix-blend-mode:multiply}
.card-ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#c3c6e0}
.card-ph svg{width:46%;opacity:.5}
.card-badges{position:absolute;left:10px;top:10px;display:flex;gap:.4rem;flex-wrap:wrap}
.b{font-family:"Archivo",sans-serif;font-weight:600;font-size:.66rem;letter-spacing:.04em;text-transform:uppercase;padding:.28rem .55rem;border-radius:999px}
.b-cat{background:rgba(46,196,182,.16);color:var(--accent-deep)}
.b-new{background:var(--navy);color:#fff}
.b-tag{background:#fff;color:var(--navy-deep);border:1px solid var(--line)}

.card-body{padding:1rem 1.05rem 1.15rem;display:flex;flex-direction:column;flex:1;gap:.55rem}
.card-brand{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--gray-brand);font-weight:600}
.card-name{font-family:"Archivo",sans-serif;font-weight:700;font-size:1.12rem;color:var(--navy-deep);line-height:1.15;margin:0}
.card-desc{font-size:.86rem;color:#55566f;margin:0;flex:1}

.variant{margin-top:.2rem}
.variant-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gray-brand);font-weight:600;display:block;margin-bottom:.35rem}
.variant select{
  width:100%;padding:.6rem .8rem;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--white);font-family:"Inter",sans-serif;font-size:.85rem;color:var(--ink);
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231E1A78' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .85rem center;
  cursor:pointer;transition:.2s;
}
.variant select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(46,196,182,.15)}
.single-pres{font-size:.82rem;color:var(--navy-deep);background:var(--paper);border:1px solid var(--line);padding:.55rem .8rem;border-radius:var(--radius-sm)}

.card-cta{margin-top:.35rem;width:100%}

.no-results{text-align:center;color:var(--gray-brand);padding:2rem 0}
.no-results a{color:var(--accent-deep);font-weight:600}
.more-wrap{text-align:center;margin-top:2.2rem}
.more-wrap.hidden{display:none}

/* ============================== MARCAS ============================== */
.brands{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.brand-row{display:grid;grid-template-columns:repeat(6,1fr);gap:1rem;margin-top:2rem}
.brand-cell{
  display:flex;align-items:center;justify-content:center;text-align:center;
  min-height:88px;padding:1rem;border:1px solid var(--line);border-radius:var(--radius);
  font-family:"Archivo",sans-serif;font-weight:700;color:var(--navy);
  background:var(--paper);transition:.2s;
}
.brand-cell:hover{color:var(--accent-deep);border-color:var(--accent);transform:translateY(-3px)}

/* ============================ ¿POR QUÉ? ============================ */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;margin-top:2.2rem}
.why-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.4rem;transition:.2s}
.why-card:hover{box-shadow:var(--shadow-soft);transform:translateY(-3px)}
.why-ico{width:34px;height:34px;color:var(--accent-deep);margin-bottom:.9rem}
.why-card h3{font-family:"Archivo",sans-serif;font-size:1.1rem;color:var(--navy-deep);margin:0 0 .4rem}
.why-card p{font-size:.88rem;color:#55566f;margin:0}

/* ============================ CÓMO COMPRAR ============================ */
.steps{background:var(--paper)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.4rem;position:relative}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem 1.5rem;position:relative}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;
  background:var(--navy);color:#fff;font-family:"Archivo",sans-serif;font-weight:700;font-size:1.2rem;margin-bottom:1rem;
}
.step h3{font-family:"Archivo",sans-serif;color:var(--navy-deep);margin:0 0 .4rem;font-size:1.15rem}
.step p{font-size:.9rem;color:#55566f;margin:0}

/* ============================ CONTACTO ============================ */
.contact{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--navy-deep),#1a1668);color:#fff;text-align:center}
.contact-paw{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(640px,90vw);color:#fff;opacity:.045;pointer-events:none}
.contact-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.contact-title{font-family:"Archivo",sans-serif;font-weight:800;font-size:clamp(1.9rem,4vw,3rem);margin:.3rem 0 .6rem;letter-spacing:-.01em}
.contact-sub{color:#c9cae6;margin:0 auto 2rem;max-width:50ch}
.contact-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.contact-ig{display:inline-flex;align-items:center;gap:.5rem;margin-top:1.6rem;color:#cfd0e6;font-weight:500;transition:.2s}
.contact-ig:hover{color:#fff}
.contact-ig .ico{width:1.1em;height:1.1em}

/* ============================== FOOTER ============================== */
.footer{background:#0d0b3d;color:#b9bae0;padding:3rem 0 1.6rem}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-logo{height:38px;margin-bottom:.8rem}
.footer-fallback{font-family:"Archivo",sans-serif;font-weight:800;font-size:1.4rem;color:#cfd0e6;margin-bottom:.6rem}
.footer-fallback b{color:#fff}
.footer-brand p{font-size:.86rem;margin:0;color:#9596c8}
.footer-nav{display:flex;flex-direction:column;gap:.6rem}
.footer-nav a,.footer-contact a{font-size:.9rem;transition:.2s}
.footer-nav a:hover,.footer-contact a:hover{color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:.6rem}
.footer-bottom{padding-top:1.4rem;display:flex;flex-direction:column;gap:.5rem}
.disclaimer{font-size:.76rem;color:#7d7eb4;max-width:70ch;margin:0}
.copy{font-size:.78rem;color:#6a6ba0;margin:0}

/* Botón flotante WhatsApp */
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:70;
  width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px -8px rgba(37,211,102,.7);
  animation:waBounce 2.6s ease-in-out 1s 2;transition:transform .2s;
}
.wa-float svg{width:30px;height:30px}
.wa-float:hover{transform:scale(1.08)}
@keyframes waBounce{0%,100%{transform:translateY(0)}10%{transform:translateY(-8px)}20%{transform:translateY(0)}}

/* ============================ RESPONSIVE ============================ */
@media (max-width:1024px){
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .brand-row{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  .nav-desktop{display:none}
  .hamburger{display:flex}
  .wa-quote{display:none}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:1.6rem}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .chipbar-inner{padding-left:18px;padding-right:18px}
  .product-grid{grid-template-columns:1fr 1fr;gap:.8rem}
  .why-grid{grid-template-columns:1fr}
  .brand-row{grid-template-columns:repeat(2,1fr)}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .contact-btns .btn{width:100%}
  .card-name{font-size:1rem}
}
@media (max-width:380px){
  .product-grid{grid-template-columns:1fr}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .card.reveal{opacity:1;transform:none}
}