/*
Theme Name: MVK Landing
Theme URI: https://www.mundovisionkids.com
Author: Mundo Visión Kids (agentes)
Description: Tema a medida para Mundo Visión Kids — óptica infantil especializada. Design System v1.0 (Apple + Disney + clínica pediátrica premium). Poppins + Nunito Sans, control de miopía Stellest®, entrega en <1h, programas para maestros y colegios. Assets de marca reales (logo SVG sin fondo + fotografía OpenAI desktop/mobile + video del home). Logo XL, favicon MV, Open Graph, scroll infinito en entradas.
Version: 2.5.0
Requires at least: 6.0
Requires PHP: 8.0
License: GPL-2.0-or-later
Text Domain: mvk-landing
*/

/* ==========================================================
   Design tokens — Brand Book v1.0
   ========================================================== */
:root{
  --navy:#1F3A8A;   --navy-dk:#182c69;
  --teal:#18B7B0;   --teal-dk:#129a94;
  --coral:#FF5D8F;  --coral-dk:#ef4a7e;
  --yellow:#FFD36B;
  --lavender:#DCC9FF;
  --gray:#F7F8FA;
  --ink:#202124;    --muted:#5f6472;
  --white:#ffffff;
  --wa:#25D366;     --wa-dk:#1fb457;

  --navy-soft:#e7ecfa;
  --teal-soft:#d6f4f2;
  --coral-soft:#ffe3ec;
  --yellow-soft:#fff3d3;
  --lavender-soft:#f0e9ff;

  --r-sm:16px; --r:24px; --r-lg:32px; --r-xl:40px; --pill:999px;
  --shadow:0 12px 40px rgba(0,0,0,.08);
  --shadow-sm:0 8px 24px rgba(0,0,0,.06);
  --shadow-lg:0 24px 60px rgba(31,58,138,.14);
  --maxw:1280px;

  --font-head:"Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body:"Nunito Sans","Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ==========================================================
   Reset / base
   ========================================================== */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--navy);line-height:1.12;margin:0 0 .4em;font-weight:700;letter-spacing:-.02em;}
p{margin:0 0 1rem;}
a{color:var(--teal-dk);text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:44px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.center{text-align:center;}
.eyebrow{font-family:var(--font-head);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;color:var(--teal-dk);margin-bottom:12px;}
.lead{font-size:1.18rem;color:var(--muted);}
.bg-gray{background:var(--gray);}
.sec-head{max-width:720px;margin:0 auto 52px;text-align:center;}
.sec-head h2{font-size:clamp(2rem,3.6vw,3rem);}

/* ==========================================================
   Buttons
   ========================================================== */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-head);font-weight:600;font-size:1rem;padding:15px 30px;border-radius:var(--pill);border:2px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease;text-decoration:none;line-height:1;}
.btn:hover{transform:translateY(-2px);}
.btn--primary{background:var(--coral);color:#fff;box-shadow:0 12px 26px rgba(255,93,143,.34);}
.btn--primary:hover{background:var(--coral-dk);}
.btn--secondary{background:var(--teal);color:#fff;box-shadow:0 12px 26px rgba(24,183,176,.30);}
.btn--secondary:hover{background:var(--teal-dk);}
.btn--tertiary{background:transparent;color:var(--navy);border-color:var(--navy);}
.btn--tertiary:hover{background:var(--navy-soft);}
.btn--light{background:#fff;color:var(--navy);}
.btn--ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);}
.btn--wa{background:var(--wa);color:#fff;box-shadow:0 12px 26px rgba(37,211,102,.34);}
.btn--wa:hover{background:var(--wa-dk);}
.btn--lg{padding:18px 38px;font-size:1.08rem;}
.btn svg{width:20px;height:20px;}

/* ==========================================================
   Header / nav
   ========================================================== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid rgba(31,58,138,.06);}
.nav{display:flex;align-items:center;gap:24px;padding:6px 0;}
.brand{display:flex;align-items:center;justify-content:center;text-decoration:none;overflow:hidden;height:170px;width:260px;}
.brand-logo{display:block;height:260px;width:auto;max-width:none;}
.footer-logo{height:92px;width:auto;max-width:none;margin-bottom:16px;background:#fff;padding:12px 16px;border-radius:18px;box-shadow:0 6px 18px rgba(0,0,0,.18);}
.logo-word{font-family:var(--font-head);font-weight:800;line-height:.95;color:var(--navy);}
.logo-word .l1{font-size:1.15rem;letter-spacing:-.01em;}
.logo-word .kids{color:var(--coral);}
.nav-menu{display:flex;gap:26px;margin-left:auto;list-style:none;padding:0;margin-block:0;}
.nav-menu a{color:var(--navy);font-family:var(--font-head);font-weight:500;font-size:.96rem;padding:6px 2px;border-bottom:2px solid transparent;transition:.15s;}
.nav-menu a:hover,.nav-menu .current-menu-item a{color:var(--teal-dk);border-color:var(--teal);}
.nav-cta{margin-left:6px;}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;margin-left:auto;}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--navy);border-radius:3px;margin:5px 0;}

/* ==========================================================
   Hero (fullscreen)
   ========================================================== */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--gray) 0%,#fff 100%);}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;min-height:calc(100vh - 74px);padding:40px 0;}
.hero h1{font-size:clamp(2.8rem,6vw,4.6rem);font-weight:700;letter-spacing:-.03em;}
.hero h1 .l-navy{color:var(--navy);}
.hero h1 .l-coral{color:var(--coral);}
.hero h1 .l-teal{color:var(--teal);}
.hero .lead{font-size:1.25rem;max-width:34ch;margin:1.2rem 0 2rem;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-photo{position:relative;border-radius:var(--r-xl);min-height:460px;background:radial-gradient(120% 120% at 80% 0%,var(--teal-soft) 0%,transparent 55%),radial-gradient(120% 120% at 0% 100%,var(--coral-soft) 0%,transparent 55%),linear-gradient(135deg,#eef4ff,#fdeef4);box-shadow:var(--shadow-lg);display:grid;place-items:center;overflow:hidden;}
.hero-photo img{width:100%;height:100%;object-fit:cover;display:block;}
.hero-photo .photo-note{position:absolute;bottom:12px;right:14px;font-size:.7rem;color:var(--muted);background:rgba(255,255,255,.75);padding:3px 9px;border-radius:8px;}
.spark{color:var(--yellow);}

/* ==========================================================
   Benefit cards (4)
   ========================================================== */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.feature{background:#fff;border-radius:var(--r-lg);padding:32px 26px;box-shadow:var(--shadow-sm);border:1px solid rgba(31,58,138,.05);transition:.2s;}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.feature .ficon{width:60px;height:60px;border-radius:20px;display:grid;place-items:center;margin-bottom:18px;}
.feature h3{font-size:1.12rem;margin-bottom:.45rem;}
.feature p{font-size:.95rem;color:var(--muted);margin:0;}
.feature--coral .ficon{background:var(--coral-soft);}
.feature--teal .ficon{background:var(--teal-soft);}
.feature--yellow .ficon{background:var(--yellow-soft);}
.feature--lav .ficon{background:var(--lavender-soft);}
.icon{width:30px;height:30px;fill:none;stroke:var(--teal);stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round;}
.feature--coral .icon{stroke:var(--coral);}
.feature--yellow .icon{stroke:#e0a92e;}
.feature--lav .icon{stroke:#8b6fd6;}

/* ==========================================================
   Split / checklist (Por qué)
   ========================================================== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split.rev .split-media{order:2;}
.split-media{border-radius:var(--r-lg);min-height:420px;background:linear-gradient(135deg,#eaf1ff,#e9faf8);box-shadow:var(--shadow);display:grid;place-items:center;position:relative;overflow:hidden;}
.split-media img{width:100%;height:100%;object-fit:cover;display:block;}
.photo-emoji{font-size:5rem;opacity:.6;}
.checklist{list-style:none;padding:0;margin:20px 0 26px;display:grid;gap:14px;}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:1.05rem;}
.checklist .ck{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--teal-soft);display:grid;place-items:center;}
.checklist .ck svg{width:15px;height:15px;stroke:var(--teal-dk);stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round;}

/* ==========================================================
   Stellest (premium)
   ========================================================== */
.stellest{position:relative;background:linear-gradient(135deg,var(--navy) 0%,#25489f 60%,#2f57bd 100%);color:#fff;border-radius:var(--r-xl);padding:56px;box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;overflow:hidden;}
.stellest h2{color:#fff;font-size:clamp(2rem,3.4vw,2.9rem);}
.stellest .sub{color:#bcd0ff;font-weight:600;font-family:var(--font-head);font-size:1.15rem;margin-top:-.3rem;}
.stellest p{color:#e4ecff;}
.stellest-benefits{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:12px;}
.stellest-benefits li{display:flex;gap:12px;align-items:center;font-family:var(--font-head);font-weight:500;}
.stellest-benefits .ck{width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.16);display:grid;place-items:center;flex:0 0 26px;}
.stellest-benefits .ck svg{width:15px;height:15px;stroke:#fff;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.stellest .footnote{color:#a9bdf0;font-size:.8rem;}
.stellest-photo{position:relative;border-radius:var(--r-lg);min-height:360px;background:radial-gradient(120% 120% at 70% 15%,rgba(255,255,255,.22),transparent 60%),linear-gradient(160deg,#3a63cf,#5b86ef);display:grid;place-items:center;box-shadow:var(--shadow);overflow:hidden;}
.stellest-photo img{width:100%;height:100%;object-fit:cover;display:block;}
.badge-67{position:absolute;top:26px;right:26px;z-index:2;background:var(--yellow);color:var(--navy);font-family:var(--font-head);font-weight:700;padding:10px 18px;border-radius:var(--pill);box-shadow:var(--shadow-sm);}

/* ==========================================================
   Maestros (sección especial)
   ========================================================== */
.teachers{background:linear-gradient(135deg,var(--yellow-soft) 0%,var(--lavender-soft) 100%);border-radius:var(--r-xl);padding:56px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;}
.teachers-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.teachers h2{font-size:clamp(2rem,3.4vw,2.8rem);}
.teachers .lead{color:var(--ink);}
.disc-cards{display:grid;gap:16px;margin-top:8px;}
.disc{display:flex;gap:18px;align-items:center;background:#fff;border-radius:var(--r);padding:22px 24px;box-shadow:var(--shadow-sm);}
.disc .pct{flex:0 0 auto;font-family:var(--font-head);font-weight:800;font-size:2rem;line-height:1;color:#fff;background:var(--coral);border-radius:18px;padding:16px 18px;min-width:96px;text-align:center;}
.disc.alt .pct{background:var(--teal);}
.disc h3{margin:0 0 4px;font-size:1.05rem;}
.disc p{margin:0;color:var(--muted);font-size:.94rem;}
.teachers-cta{margin-top:26px;background:#fff;border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);text-align:center;}
.teachers-cta p{font-size:1.08rem;color:var(--ink);margin-bottom:16px;}
.teachers-cta p strong{color:var(--navy);}

/* ==========================================================
   Colegios / Oftalmólogos (info split with photo)
   ========================================================== */
.info-photo{border-radius:var(--r-lg);min-height:380px;box-shadow:var(--shadow);display:grid;place-items:center;position:relative;overflow:hidden;}
.info-photo img{width:100%;height:100%;object-fit:cover;display:block;}
.info-photo.school{background:linear-gradient(135deg,#fff3d3,#e9faf8);}
.info-photo.med{background:linear-gradient(135deg,#e7ecfa,#d6f4f2);}

/* Imagen responsiva (<picture>) — ocupa todo el contenedor de la sección */
.hero-photo picture,.split-media picture,.stellest-photo picture,.info-photo picture{display:block;width:100%;height:100%;}

/* Video del home */
.video-wrap{position:relative;max-width:980px;margin:0 auto;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:#0b1220;}
.home-video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;background:#0b1220;}
.mini-list{list-style:none;padding:0;margin:16px 0 24px;display:grid;gap:10px;}
.mini-list li{display:flex;gap:10px;align-items:center;color:var(--muted);}
.mini-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);flex:0 0 8px;}

/* ==========================================================
   Alianzas cards
   ========================================================== */
.ally-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.ally{background:#fff;border-radius:var(--r);padding:26px 14px;text-align:center;box-shadow:var(--shadow-sm);border:1px solid rgba(31,58,138,.05);transition:.2s;}
.ally:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.ally .ai{width:52px;height:52px;margin:0 auto 12px;border-radius:16px;background:var(--navy-soft);display:grid;place-items:center;font-size:1.5rem;}
.ally b{font-family:var(--font-head);font-size:.92rem;color:var(--navy);font-weight:600;}

/* ==========================================================
   Noticias (Apple News style)
   ========================================================== */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.pcard{background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:.2s;border:1px solid rgba(31,58,138,.05);}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.pcard .thumb{height:190px;position:relative;background:linear-gradient(135deg,#eef4ff,#fdeef4);}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;}
.pcard .tag{position:absolute;left:16px;bottom:16px;background:var(--teal);color:#fff;font-family:var(--font-head);font-weight:600;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:6px 14px;border-radius:var(--pill);}
.pcard .pbody{padding:22px 24px 26px;display:flex;flex-direction:column;gap:9px;flex:1;}
.pcard h3{font-size:1.12rem;margin:0;line-height:1.25;}
.pcard h3 a{color:var(--navy);}
.pcard h3 a:hover{color:var(--teal-dk);}
.pcard .date{font-size:.82rem;color:var(--muted);}
.pcard p{font-size:.94rem;color:var(--muted);margin:0;}
.pcard .more{margin-top:auto;font-family:var(--font-head);font-weight:600;color:var(--coral);font-size:.92rem;}

/* ==========================================================
   Testimonios (carousel scroll-snap)
   ========================================================== */
.tst-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(320px,1fr);gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 18px;}
.tst{scroll-snap-align:start;background:#fff;border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow-sm);border:1px solid rgba(31,58,138,.05);}
.stars{color:#FFC53D;letter-spacing:2px;margin-bottom:10px;}
.tst p{font-size:1.02rem;color:var(--ink);}
.tst .who{display:flex;align-items:center;gap:12px;margin-top:16px;}
.tst .ava{width:46px;height:46px;border-radius:50%;background:var(--coral-soft);display:grid;place-items:center;font-size:1.3rem;}
.tst .who b{font-family:var(--font-head);color:var(--navy);display:block;font-size:.95rem;}
.tst .who span{color:var(--muted);font-size:.85rem;}

/* ==========================================================
   FAQ accordion
   ========================================================== */
.faq{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq details{background:#fff;border-radius:var(--r);box-shadow:var(--shadow-sm);border:1px solid rgba(31,58,138,.06);overflow:hidden;}
.faq summary{cursor:pointer;list-style:none;padding:22px 26px;font-family:var(--font-head);font-weight:600;color:var(--navy);display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--teal);transition:.2s;}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq .faq-body{padding:0 26px 22px;color:var(--muted);}

/* ==========================================================
   CTA final banner
   ========================================================== */
.cta-final{background:linear-gradient(120deg,var(--coral) 0%,#ff87ab 100%);color:#fff;}
.cta-final .container{padding-block:80px;text-align:center;}
.cta-final h2{color:#fff;font-size:clamp(2rem,3.6vw,3rem);margin-bottom:.3em;}
.cta-final p{opacity:.96;font-size:1.15rem;margin-bottom:26px;}

/* ==========================================================
   Footer (dark)
   ========================================================== */
.site-footer{background:var(--navy-dk);color:#c6d0ec;}
.site-footer .container{padding-inline:44px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 36px;}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:16px;}
.site-footer a{color:#c6d0ec;font-size:.93rem;}
.site-footer a:hover{color:#fff;}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-brand .logo-word{color:#fff;}
.footer-brand .logo-word .kids{color:var(--coral);}
.footer-brand p{color:#93a0c6;font-size:.92rem;max-width:32ch;margin-top:12px;}
.footer-contact li{display:flex;gap:10px;margin-bottom:10px;align-items:flex-start;font-size:.92rem;}
.socials{display:flex;gap:12px;margin-top:16px;}
.socials a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;transition:.18s;}
.socials a:hover{background:rgba(255,255,255,.2);}
.socials svg{width:18px;height:18px;fill:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem;color:#93a0c6;}
.footer-bottom a{color:#93a0c6;}

/* ==========================================================
   Blog / single / page
   ========================================================== */
.page-head{background:linear-gradient(135deg,var(--gray),#eef4ff);padding:64px 0;text-align:center;}
.page-head h1{font-size:clamp(2.1rem,4vw,3rem);}
.entry{max-width:760px;margin:0 auto;font-size:1.08rem;}
.entry .entry-meta{display:none;}
/* Fecha y autor ocultos en todo el blog (posts y tarjetas) */
.entry-meta,.pcard .date,.post-meta,.byline,.posted-on,.author{display:none !important;}
.entry img{max-width:100%;height:auto;border-radius:var(--r);margin:20px 0;}
.entry h2,.entry h3{margin-top:1.5em;}
/* Imagen destacada del post (hero) — responsiva, nunca desproporcionada */
.entry-hero{margin:0 0 26px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);}
.entry-hero img{width:100%;height:auto;max-height:520px;object-fit:cover;margin:0;border-radius:0;display:block;}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.pagination{display:flex;gap:10px;justify-content:center;margin-top:36px;}
.pagination a,.pagination span{padding:9px 15px;border-radius:14px;background:#fff;box-shadow:var(--shadow-sm);font-family:var(--font-head);}

/* ==========================================================
   Scroll infinito de entradas (posts)
   ========================================================== */
.mvk-inf-sentinel{height:1px;width:100%;}
.mvk-inf-sep{border:0;height:1px;max-width:760px;margin:20px auto 0;
  background:linear-gradient(90deg,transparent,var(--line,#e6e9f2),transparent);}
.mvk-inf-post{animation:mvkInfFade .5s ease both;}
@keyframes mvkInfFade{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.mvk-inf-loader{display:flex;align-items:center;justify-content:center;gap:12px;
  padding:30px 0;color:var(--ink-soft,#5b6478);font-family:var(--font-head);font-weight:600;}
.mvk-inf-spin{width:22px;height:22px;border-radius:50%;
  border:3px solid var(--teal-soft,#d9f2ef);border-top-color:var(--teal,#17a2a2);
  display:inline-block;animation:mvkInfSpin .8s linear infinite;}
@keyframes mvkInfSpin{to{transform:rotate(360deg);}}
.mvk-inf-end{text-align:center;padding:20px 0 60px;}
.mvk-inf-end__text{font-family:var(--font-head);font-weight:700;font-size:1.2rem;margin:26px 0 16px;}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width:980px){
  .hero-grid,.split,.split.rev .split-media,.stellest,.teachers-grid,.info-split{grid-template-columns:1fr;}
  .split.rev .split-media{order:0;}
  .features-grid{grid-template-columns:repeat(2,1fr);}
  .ally-grid{grid-template-columns:repeat(3,1fr);}
  .posts-grid,.list-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stellest,.teachers{padding:36px;}
  .hero-grid{min-height:auto;}
  .section{padding:72px 0;}
}
@media (max-width:640px){
  .nav-menu,.nav-cta{display:none;}
  .nav-toggle{display:block;}
  .nav-menu.open{display:flex;position:absolute;top:128px;left:0;right:0;flex-direction:column;background:#fff;padding:18px 24px;box-shadow:var(--shadow);}
  .features-grid,.posts-grid,.list-grid,.footer-grid,.ally-grid{grid-template-columns:1fr;}
  .disc{flex-direction:row;}
  .stellest,.teachers{padding:28px;}
  .section{padding:56px 0;}
  .container{padding-inline:22px;}
  .brand{height:112px;width:170px;}
  .brand-logo{height:170px;}
  .footer-logo{height:76px;}
  .site-footer .container{padding-inline:30px;}
  .entry-hero img{max-height:260px;}
}