/* =========================================================
   Óptica Juliaca — hoja de estilos
   Paleta extraída del logo: dorado de los lentes, rojo de
   "JULIACA", negro de "PTICA", fondo blanco.
   ========================================================= */

:root{
  /* Color — fiel al logo, con variantes funcionales derivadas */
  --paper:      #FFFFFF;
  --sand:       #FCEFC6; /* tono cálido dorado, antes casi blanco */
  --ink:        #1C1A17; /* casi negro, para titulares */
  --charcoal:   #4B463F; /* texto de párrafo */
  --gold:       #FFCC2A; /* dorado exacto del logo */
  --gold-deep:  #B8860B; /* dorado oscurecido, uso en texto/enlaces */
  --red:        #E2231A; /* rojo del logo, afinado para UI */
  --red-deep:   #A8160F; /* rojo oscuro, hover/estados activos */
  --line:       rgba(28,26,23,0.10);
  --shadow-sm:  0 6px 18px -8px rgba(28,26,23,0.18);
  --shadow-lg:  0 24px 48px -16px rgba(28,26,23,0.22);

  /* Tipografía */
  --ff-display: 'Space Grotesk', 'Inter', sans-serif;
  --ff-body:    'Inter', sans-serif;

  /* Layout */
  --container: 1160px;
  --radius:    14px;
  --radius-sm: 8px;
}

/* ---------- Reset & base ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--charcoal);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{
  font-family:var(--ff-display);
  color:var(--ink);
  line-height:1.15;
  margin:0;
  letter-spacing:-0.01em;
}
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{
  outline:3px solid var(--gold-deep);
  outline-offset:3px;
  border-radius:4px;
}

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

.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--ink); color:#fff; padding:10px 16px; z-index:200;
}
.skip-link:focus{ left:8px; top:8px; }

/* ---------- Eyebrow / etiquetas ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--ff-body);
  font-weight:600;
  font-size:0.78rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--red-deep);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:8px; height:8px;
  border-radius:50%;
  background:var(--gold);
  border:2px solid var(--red-deep);
  flex-shrink:0;
}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-family:var(--ff-body);
  font-weight:600;
  font-size:0.98rem;
  padding:14px 26px;
  border-radius:10px;
  border:2px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn svg{ width:20px; height:20px; flex-shrink:0; }
.btn-primary{
  background:var(--gold);
  color:var(--ink);
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{ background:var(--gold-deep); color:var(--ink); transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.btn-outline{
  background:transparent;
  border-color:var(--ink);
  color:var(--ink);
}
.btn-outline:hover{ background:var(--ink); color:#fff; transform:translateY(-2px); }
.btn-block{ width:100%; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,251,237,0.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{ box-shadow:var(--shadow-sm); }
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 24px;
  max-width:var(--container);
  margin:0 auto;
  gap:20px;
}
.nav-brand{ display:flex; align-items:center; flex-shrink:0; }
.nav-brand img{ height:40px; width:auto; }
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
  font-weight:600;
  font-size:0.96rem;
  color:var(--ink);
}
.nav-links a{ position:relative; padding:6px 2px; }
.nav-links a::after{
  content:"";
  position:absolute; left:0; bottom:-2px;
  width:0; height:2px;
  background:var(--red);
  transition:width .2s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ width:100%; }
.nav-links a[aria-current="page"]{ color:var(--red-deep); }
.nav-cta{ display:flex; align-items:center; gap:14px; flex-shrink:0; }
.nav-cta .btn{ padding:11px 20px; font-size:0.92rem; }

.nav-toggle-input{ display:none; }
.nav-toggle-label{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:30px; height:30px;
  cursor:pointer;
}
.nav-toggle-label span{
  display:block; height:2px; width:100%;
  background:var(--ink);
  border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}

@media (max-width:880px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column;
    align-items:flex-start;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:10px 24px 22px;
    gap:14px;
    box-shadow:var(--shadow-sm);
    display:none;
  }
  .nav-toggle-label{ display:flex; }
  .nav-toggle-input:checked ~ .nav-links{ display:flex; }
  .nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(2){ opacity:0; }
  .nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
  .nav-cta .btn-label{ display:none; }
  .nav-cta .btn{ padding:11px 14px; }
}
@media (max-width:560px){
  .nav-brand img{ height:34px; }
}

/* ---------- Hero (Inicio) ---------- */
.hero{
  padding:72px 0 96px;
  background:var(--sand);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2.1rem, 4vw, 3.1rem);
  margin-bottom:20px;
}
.hero h1 .accent{ color:var(--red); }
.hero-sub{
  font-size:1.12rem;
  max-width:520px;
  margin-bottom:32px;
  color:var(--charcoal);
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:16px; margin-bottom:36px; }
.hero-meta{
  display:flex; flex-wrap:wrap; gap:24px;
  font-size:0.88rem; color:var(--charcoal);
}
.hero-meta li{ display:flex; align-items:center; gap:8px; }
.hero-meta svg{ width:18px; height:18px; color:var(--red-deep); flex-shrink:0; }

/* Firma visual: dos lentes con cifras clave, unidos por un puente */
.lens-stats{
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:20px;
  height:300px;
}
.lens-stat{
  width:212px; height:212px;
  border-radius:50%;
  background:var(--paper);
  border:7px solid var(--gold);
  box-shadow:var(--shadow-lg);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:18px;
}
.lens-stat:last-child{ border-color:var(--gold); }
.lens-stat .num{
  font-family:var(--ff-display);
  font-weight:700;
  font-size:2.1rem;
  color:var(--ink);
  line-height:1;
}
.lens-stat .label{
  font-size:0.84rem;
  color:var(--charcoal);
  margin-top:8px;
  max-width:140px;
}
.lens-bridge{
  position:absolute;
  top:50%; left:50%;
  transform:translate(-50%,-58%);
  width:40px; height:14px;
  background:var(--ink);
  border-radius:6px;
  z-index:3;
}

@media (max-width:980px){
  .hero{ padding:48px 0 64px; }
  .hero-grid{ grid-template-columns:1fr; }
  .hero-sub{ max-width:none; }
  .lens-stats{ margin-top:8px; height:260px; }
  .lens-stat{ width:190px; height:190px; }
}
@media (max-width:480px){
  .lens-stats{ height:auto; flex-direction:column; gap:18px; }
  .lens-bridge{ display:none; }
}

/* ---------- Secciones genéricas ---------- */
section{ padding:88px 0; }
.section-sand{ background:var(--sand); }
.section-head{ max-width:680px; margin-bottom:52px; }
.section-head h2{ font-size:clamp(1.7rem, 3vw, 2.3rem); }
.section-head p{ margin-top:14px; font-size:1.05rem; color:var(--charcoal); }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

@media (max-width:680px){
  section{ padding:60px 0; }
  .section-head{ margin-bottom:36px; }
}

/* ---------- Tarjetas de servicios ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.service-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:34px 28px;
  transition:transform .2s ease, box-shadow .2s ease;
}
.service-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.icon-badge{
  width:60px; height:60px;
  border-radius:50%;
  background:var(--sand);
  border:2px solid var(--gold);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:22px;
}
.icon-badge svg{ width:28px; height:28px; color:var(--ink); }
.service-card h3{ font-size:1.18rem; margin-bottom:10px; }
.service-card p{ font-size:0.97rem; color:var(--charcoal); }

@media (max-width:980px){ .grid-3{ grid-template-columns:1fr 1fr; } }
@media (max-width:680px){ .grid-3{ grid-template-columns:1fr; } }

/* ---------- Cómo funciona (pasos) ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  position:relative;
}
.step{
  position:relative;
  padding:0 28px;
  text-align:center;
}
.step-num{
  width:54px; height:54px;
  border-radius:50%;
  background:var(--gold);
  color:var(--ink);
  font-family:var(--ff-display);
  font-weight:700;
  font-size:1.3rem;
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 20px;
  position:relative; z-index:2;
  box-shadow:var(--shadow-sm);
}
.step h3{ font-size:1.08rem; margin-bottom:8px; }
.step p{ font-size:0.95rem; color:var(--charcoal); }
.step::before{
  content:"";
  position:absolute;
  top:27px; left:-50%; width:100%;
  height:2px;
  background:repeating-linear-gradient(to right, var(--gold) 0 10px, transparent 10px 18px);
  z-index:1;
}
.step:first-child::before{ display:none; }

@media (max-width:780px){
  .steps{ grid-template-columns:1fr; gap:36px; }
  .step::before{ display:none; }
}

/* ---------- Valores (Quiénes somos) ---------- */
.value-card{
  text-align:center;
  padding:30px 22px;
}
.value-card .icon-badge{ margin:0 auto 20px; }
.value-card h3{ font-size:1.1rem; margin-bottom:10px; }
.value-card p{ font-size:0.95rem; color:var(--charcoal); }

/* ---------- CTA banda ---------- */
.cta-band{
  background:linear-gradient(135deg, var(--ink) 0%, #2b2622 100%);
  border-radius:24px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  color:#fff;
}
.cta-band h2{ color:#fff; font-size:clamp(1.5rem, 3vw, 2rem); max-width:480px; }
.cta-band p{ color:rgba(255,255,255,0.78); margin-top:10px; max-width:480px; }
.cta-band .actions{ display:flex; gap:14px; flex-wrap:wrap; }
.cta-band .btn-outline{ border-color:rgba(255,255,255,0.5); color:#fff; }
.cta-band .btn-outline:hover{ background:#fff; color:var(--ink); }

@media (max-width:680px){
  .cta-band{ padding:36px 28px; flex-direction:column; align-items:flex-start; }
}

/* ---------- Page hero (subpáginas) ---------- */
.page-hero{
  padding:64px 0 56px;
  background:var(--sand);
  border-bottom:1px solid var(--line);
}
.page-hero h1{ font-size:clamp(2rem, 3.6vw, 2.7rem); max-width:680px; }
.page-hero p{ margin-top:16px; font-size:1.08rem; color:var(--charcoal); max-width:600px; }

/* ---------- Quiénes somos: historia ---------- */
.story-grid{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:56px;
  align-items:start;
}
.story-grid p + p{ margin-top:18px; }
.story-aside{
  background:var(--sand);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px;
}
.story-aside .num{
  font-family:var(--ff-display);
  font-weight:700;
  font-size:2.6rem;
  color:var(--red);
  line-height:1;
}
.story-aside .num-label{
  font-size:0.92rem;
  color:var(--charcoal);
  margin-top:6px;
  margin-bottom:24px;
}
.story-aside hr{ border:none; border-top:1px solid var(--line); margin:24px 0; }

@media (max-width:880px){
  .story-grid{ grid-template-columns:1fr; }
}

/* ---------- Contacto ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-bottom:56px;
}
.contact-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px;
}
.contact-card .icon-badge{ margin-bottom:18px; }
.contact-card h3{ font-size:1.05rem; margin-bottom:10px; }
.contact-card p{ font-size:0.96rem; color:var(--charcoal); }
.contact-card a.value-link{
  display:inline-block;
  margin-top:10px;
  font-weight:600;
  color:var(--red-deep);
  border-bottom:1px solid currentColor;
}

.map-wrap{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.map-wrap iframe{ width:100%; height:420px; border:0; display:block; }

.social-row{ display:flex; align-items:center; gap:16px; margin-top:28px; }
.social-row a{
  display:flex; align-items:center; justify-content:center;
  width:46px; height:46px;
  border-radius:50%;
  background:var(--sand);
  border:1px solid var(--line);
  transition:background .2s ease, transform .2s ease;
}
.social-row a:hover{ background:var(--gold); transform:translateY(-2px); }
.social-row svg{ width:22px; height:22px; color:var(--ink); }

@media (max-width:980px){ .contact-grid{ grid-template-columns:1fr; } }

/* ---------- Footer ---------- */
.site-footer{
  background:var(--sand);
  border-top:4px solid transparent;
  border-image:linear-gradient(90deg, var(--gold) 0%, var(--gold) 65%, var(--red) 100%) 1;
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 0.8fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand img{ height:38px; margin-bottom:16px; }
.footer-brand p{ font-size:0.95rem; color:var(--charcoal); max-width:300px; }
.footer-col h4{
  font-family:var(--ff-body);
  font-size:0.82rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--ink);
  margin-bottom:18px;
}
.footer-col ul{ display:flex; flex-direction:column; gap:12px; }
.footer-col a, .footer-col p{ font-size:0.95rem; color:var(--charcoal); }
.footer-col a:hover{ color:var(--red-deep); }
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:0.86rem;
  color:var(--charcoal);
}

@media (max-width:880px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:560px){
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
}

/* ---------- Filtro de categoría ---------- */
.catalog-filter{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:36px;
}
.catalog-filter label{
  font-weight:600;
  font-size:0.95rem;
  color:var(--ink);
}
.catalog-filter select{
  font-family:var(--ff-body);
  font-size:0.95rem;
  font-weight:500;
  padding:11px 16px;
  border:1.5px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--paper);
  color:var(--ink);
  cursor:pointer;
}
.catalog-filter select:focus-visible{
  outline:3px solid var(--gold-deep);
  outline-offset:2px;
}
.frame-card.is-filtered-out{ display:none; }

/* ---------- Catálogo de monturas ---------- */
.frame-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.frame-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.frame-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.frame-photo{
  aspect-ratio:4/3;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.frame-photo img{ width:100%; height:100%; object-fit:contain; }
.frame-card-body{ padding:22px 24px 26px; }
.frame-card-body h3{ font-size:1.05rem; margin-bottom:8px; }
.frame-desc{ font-size:0.92rem; color:var(--charcoal); margin-bottom:14px; }
.frame-price{
  font-family:var(--ff-display);
  font-weight:700;
  font-size:1.2rem;
  color:var(--red-deep);
  margin-bottom:16px;
}
.frame-price-row{
  display:flex;
  align-items:baseline;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:16px;
}
.frame-price-old{
  font-size:0.92rem;
  color:var(--charcoal);
  text-decoration:line-through;
  opacity:0.75;
}
.frame-price-new{
  font-family:var(--ff-display);
  font-weight:700;
  font-size:1.2rem;
  color:var(--red-deep);
}
.frame-discount-badge{
  font-size:0.74rem;
  font-weight:700;
  letter-spacing:0.02em;
  background:var(--gold);
  color:var(--ink);
  padding:3px 8px;
  border-radius:999px;
}
.frame-card-body .btn{ width:100%; padding:12px 18px; font-size:0.92rem; }

@media (max-width:980px){ .frame-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:680px){ .frame-grid{ grid-template-columns:1fr; } }
/* ---------- Botón flotante de WhatsApp ---------- */
.whatsapp-float{
  position:fixed;
  bottom:24px; right:24px;
  width:60px; height:60px;
  border-radius:50%;
  background:#25D366;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 12px 28px -8px rgba(37,211,102,0.55), 0 0 0 5px rgba(255,204,42,0.6);
  z-index:90;
  transition:transform .2s ease;
}
.whatsapp-float:hover{ transform:scale(1.07); }
.whatsapp-float svg{ width:30px; height:30px; color:#fff; }

/* ---------- Entrada del hero ----------
   Animación por CSS puro (no depende de scroll ni de JS),
   así el contenido nunca queda oculto si algo falla. */
@keyframes fadeUp{
  from{ opacity:0; transform:translateY(14px); }
  to{ opacity:1; transform:none; }
}
.hero-grid > div{
  animation:fadeUp .7s ease both;
}
.hero-grid > div:nth-child(2){ animation-delay:.12s; }