/* =========================================================
   Arbeláez Herrera & Asociados — Coomeva Medicina Prepagada
   Light Editorial Premium
   ========================================================= */

:root{
  --bg: #FAF7F1;
  --bg-alt: #F1ECE1;
  --surface: #FFFFFF;
  --ink: #10263D;
  --ink-soft: #4C5C6C;
  --ink-faint: #8B97A3;

  --blue: #0B5FAE;
  --blue-deep: #073E70;
  --blue-pale: #E6EFF8;

  --lime: #A7CC3C;
  --lime-deep: #7B9A28;

  --gold: #C9922C;
  --gold-deep: #9C6E1B;
  --teal: #189C93;
  --teal-deep: #0E6B65;

  --line: rgba(16,38,61,.10);
  --line-strong: rgba(16,38,61,.16);

  --shadow-sm: 0 2px 10px rgba(16,38,61,.06);
  --shadow-md: 0 14px 40px rgba(16,38,61,.10);
  --shadow-lg: 0 28px 70px rgba(16,38,61,.16);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --ease: cubic-bezier(.22,.68,.12,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:500; margin:0 0 .5em; color:var(--ink); letter-spacing:-.01em; }
p{ margin:0 0 1em; color:var(--ink-soft); }
button{ font-family:inherit; cursor:pointer; }

.wrap{ max-width:1200px; margin:0 auto; padding:0 28px; }

.eyebrow{
  font-family:var(--font-body);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--blue);
  margin-bottom:.9em;
}

.section{ padding:120px 0; position:relative; }
.section--alt{ background:var(--bg-alt); }
.section__head{ max-width:680px; margin-bottom:56px; }
.section__head h2{ font-size:clamp(2rem,3.6vw,2.85rem); }
.section__lead{ font-size:1.08rem; }

/* ---------- Reveal / scroll animation base ---------- */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-visible{ opacity:1; transform:none; }
.reveal[data-split]{ opacity:1; transform:none; } /* defensive: text never disappears if JS fails */
.reveal[data-split] .split-line{
  display:block;
  overflow:hidden;
}
.reveal[data-split] .split-line > span{
  display:block;
  transform:translateY(110%);
  transition:transform .9s var(--ease);
}
.reveal[data-split].is-visible .split-line > span{ transform:none; }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:.95rem;
  border:1.5px solid transparent;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background-color .3s, color .3s, border-color .3s;
  white-space:nowrap;
}
.btn--solid{ background:var(--blue); color:#fff; box-shadow:var(--shadow-sm); }
.btn--solid:hover{ background:var(--blue-deep); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn--outline{ background:transparent; color:var(--ink); border-color:var(--line-strong); }
.btn--outline:hover{ border-color:var(--blue); color:var(--blue); transform:translateY(-2px); }
.btn--ghost{ background:var(--blue-pale); color:var(--blue-deep); }
.btn--ghost:hover{ background:var(--blue); color:#fff; transform:translateY(-2px); }
.btn--lg{ padding:17px 34px; font-size:1rem; }
.btn--block{ width:100%; }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding:20px 0;
  transition:padding .4s var(--ease), background-color .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.is-scrolled{
  padding:12px 0;
  background:rgba(250,247,241,.86);
  backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 1px 0 var(--line), var(--shadow-sm);
}
.header__row{ display:flex; align-items:center; justify-content:space-between; gap:24px; }

.brand{ display:flex; align-items:center; gap:12px; }
.brand__logo{ width:40px; height:40px; border-radius:50%; object-fit:cover; box-shadow:var(--shadow-sm); }
.brand__text{ font-family:var(--font-display); font-size:1.06rem; font-weight:500; color:var(--ink); }
.brand__text em{ font-style:normal; color:var(--blue); }

.nav{ display:flex; gap:34px; }
.nav a{ font-size:.92rem; font-weight:500; color:var(--ink-soft); position:relative; padding:4px 0; }
.nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:2px; background:var(--blue);
  transition:right .35s var(--ease);
}
.nav a:hover{ color:var(--ink); }
.nav a:hover::after{ right:0; }

.header__actions{ display:flex; align-items:center; gap:12px; }
.header__wa{ padding:10px 18px; font-size:.86rem; }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px;
}
.nav-toggle span{ width:24px; height:2px; background:var(--ink); border-radius:2px; transition:transform .3s, opacity .3s; }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  isolation:isolate;
}
.hero__bg{
  position:absolute; inset:-8% -8%;
  background-size:cover; background-position:center;
  filter:saturate(.9) brightness(.62);
  z-index:-2;
  will-change:transform;
}
.hero__scrim{
  position:absolute; inset:0; z-index:-1;
  background:
    linear-gradient(180deg, rgba(7,26,45,.55) 0%, rgba(7,26,45,.72) 55%, rgba(10,20,33,.88) 100%);
}
.hero__blob{
  position:absolute; border-radius:50%; filter:blur(70px); opacity:.35; z-index:-1; pointer-events:none;
}
.hero__blob--lime{ width:420px; height:420px; background:var(--lime); top:-10%; right:-6%; }
.hero__blob--blue{ width:520px; height:520px; background:var(--blue); bottom:-18%; left:-10%; }

.hero__inner{ padding-top:120px; padding-bottom:80px; color:#fff; }
.hero__title{
  color:#fff;
  font-size:clamp(2.4rem,5.6vw,4.4rem);
  line-height:1.08;
  max-width:16ch;
  margin-bottom:.4em;
}
.hero__lead{
  color:rgba(255,255,255,.86);
  font-size:1.18rem;
  max-width:46ch;
  margin-bottom:2em;
}
.hero__cta{ display:flex; gap:16px; flex-wrap:wrap; }
.hero .btn--outline{ border-color:rgba(255,255,255,.5); color:#fff; }
.hero .btn--outline:hover{ border-color:#fff; background:rgba(255,255,255,.1); }

.scroll-cue{
  position:absolute; left:50%; bottom:36px; transform:translateX(-50%);
  width:26px; height:42px; border:1.5px solid rgba(255,255,255,.55); border-radius:20px;
}
.scroll-cue span{
  position:absolute; top:8px; left:50%; width:4px; height:4px; border-radius:50%;
  background:#fff; transform:translateX(-50%);
  animation:cue 1.8s infinite;
}
@keyframes cue{ 0%{ opacity:1; top:8px; } 70%{ opacity:0; top:24px; } 100%{ opacity:0; top:8px; } }

/* =========================================================
   Quiénes somos
   ========================================================= */
.about{ display:grid; grid-template-columns:.9fr 1.1fr; gap:76px; align-items:center; }
.about__media{ position:relative; }
.about__media img{ border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); aspect-ratio:4/5; object-fit:cover; }
.about__card{
  position:absolute; left:-8%; bottom:-8%;
  background:var(--surface); border-radius:var(--radius-md); box-shadow:var(--shadow-lg);
  padding:18px 22px; display:flex; align-items:center; gap:14px; max-width:230px;
  border:1px solid var(--line);
}
.about__card-mark{ width:34px; }
.about__card p{ margin:0; font-size:.82rem; font-weight:600; color:var(--ink); line-height:1.3; }

.about__copy h2{ max-width:14ch; }
.about__stats{ display:flex; gap:40px; margin-top:36px; flex-wrap:wrap; }
.about__stat-num{ display:block; font-family:var(--font-display); font-size:2.4rem; color:var(--blue); font-weight:500; }
.about__stat-label{ font-size:.82rem; color:var(--ink-faint); font-weight:500; }

/* =========================================================
   Galería
   ========================================================= */
.gallery{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  grid-auto-rows:220px;
  gap:20px;
}
.gallery__item{
  border:none; padding:0; border-radius:var(--radius-md); overflow:hidden;
  box-shadow:var(--shadow-sm); position:relative; grid-row:span 1; height:100%;
}
.gallery__item--tall{ grid-row:span 2; }
.gallery__item img{ width:100%; height:100%; object-fit:cover; transition:transform .7s var(--ease); }
.gallery__item:hover img{ transform:scale(1.06); }
.gallery__item::after{
  content:"+"; position:absolute; top:14px; right:14px; width:34px; height:34px; border-radius:50%;
  background:rgba(255,255,255,.9); color:var(--ink); font-size:1.1rem; display:flex; align-items:center; justify-content:center;
  opacity:0; transform:scale(.7); transition:opacity .3s, transform .3s;
}
.gallery__item:hover::after{ opacity:1; transform:scale(1); }

/* =========================================================
   Planes
   ========================================================= */
.plans{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; align-items:start; }

.plan-card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  position:relative;
  transition:transform .45s var(--ease), box-shadow .45s var(--ease);
  --accent: var(--blue);
}
.plan-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-lg); }
.plan-card--gold{ --accent: var(--gold); }
.plan-card--blue{ --accent: var(--blue); }
.plan-card--teal{ --accent: var(--teal); }

.plan-card--featured{
  border-color:var(--accent);
  box-shadow:var(--shadow-md);
  transform:translateY(-14px);
}
.plan-card--featured:hover{ transform:translateY(-20px); }

.plan-card__badge{
  position:absolute; top:20px; right:20px; z-index:2;
  background:var(--accent); color:#fff; font-size:.72rem; font-weight:700;
  letter-spacing:.06em; text-transform:uppercase; padding:7px 14px; border-radius:999px;
  box-shadow:var(--shadow-sm);
}

.plan-card__media{
  padding:32px 32px 0;
  display:flex; justify-content:center;
  background:linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, var(--bg)) 0%, var(--surface) 100%);
}
.plan-card__media img{ max-height:180px; width:auto; border-radius:14px; box-shadow:0 18px 30px rgba(16,38,61,.18); }

.plan-card__body{ padding:28px 30px 32px; }
.plan-card__body h3{ font-size:1.4rem; margin-bottom:.35em; }
.plan-card__tag{ font-size:.92rem; font-style:italic; color:var(--ink-faint); margin-bottom:1.1em; }
.plan-card__price{ font-family:var(--font-display); font-size:1rem; color:var(--ink-soft); margin-bottom:1.3em; }
.plan-card__price strong{ font-size:2.1rem; color:var(--accent); font-weight:600; }
.plan-card__price span{ display:block; font-size:.76rem; color:var(--ink-faint); font-family:var(--font-body); }

.plan-card__highlights{ margin-bottom:1.2em; }
.plan-card__highlights li{
  position:relative; padding-left:26px; margin-bottom:.6em; font-size:.9rem; color:var(--ink-soft);
}
.plan-card__highlights li::before{
  content:""; position:absolute; left:0; top:.35em; width:15px; height:15px; border-radius:50%;
  background:color-mix(in srgb, var(--accent) 18%, transparent);
}
.plan-card__highlights li::after{
  content:"✓"; position:absolute; left:2.5px; top:0; font-size:.66rem; color:var(--accent); font-weight:700;
}

.plan-card__more{ margin-bottom:1.1em; border-top:1px solid var(--line); padding-top:14px; }
.plan-card__more summary{
  cursor:pointer; font-size:.86rem; font-weight:600; color:var(--accent);
  display:flex; align-items:center; justify-content:space-between; list-style:none;
}
.plan-card__more summary::-webkit-details-marker{ display:none; }
.plan-card__more summary::after{
  content:"⌄"; font-size:1rem; transition:transform .3s var(--ease);
}
.plan-card__more[open] summary::after{ transform:rotate(180deg); }
.plan-card__more ul{ margin-top:14px; }
.plan-card__more li{
  position:relative; padding-left:22px; margin-bottom:.55em; font-size:.85rem; color:var(--ink-soft);
}
.plan-card__more li::before{ content:"·"; position:absolute; left:6px; top:-2px; color:var(--accent); font-weight:900; font-size:1.1rem; }
.plan-card__elective{ font-size:.82rem; margin-top:10px; background:var(--bg-alt); padding:12px 14px; border-radius:10px; }

.plan-card__note{ font-size:.72rem; color:var(--ink-faint); margin-bottom:1.3em; }

/* =========================================================
   FAQ
   ========================================================= */
.faq__list{ max-width:820px; }
.faq__item{
  border-bottom:1px solid var(--line-strong);
  padding:22px 0;
}
.faq__item summary{
  cursor:pointer; list-style:none; font-family:var(--font-display); font-size:1.12rem; font-weight:500;
  display:flex; justify-content:space-between; align-items:center; gap:20px; color:var(--ink);
}
.faq__item summary::-webkit-details-marker{ display:none; }
.faq__item summary::after{
  content:"+"; font-size:1.4rem; color:var(--blue); transition:transform .3s var(--ease); flex:none;
}
.faq__item[open] summary::after{ transform:rotate(45deg); }
.faq__item p{ margin-top:14px; max-width:64ch; }

/* =========================================================
   Afíliate / formulario
   ========================================================= */
.afiliate{ background:var(--ink); position:relative; overflow:hidden; }
.afiliate::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(720px 420px at 12% 20%, rgba(167,204,60,.14), transparent 60%),
             radial-gradient(600px 500px at 88% 80%, rgba(11,95,174,.28), transparent 60%);
  pointer-events:none;
}
.afiliate__wrap{ display:grid; grid-template-columns:.85fr 1.15fr; gap:70px; position:relative; z-index:1; }
.afiliate .eyebrow{ color:var(--lime); }
.afiliate__intro h2{ color:#fff; max-width:12ch; }
.afiliate__intro p{ color:rgba(255,255,255,.72); max-width:42ch; }
.afiliate__wa-link{ margin-top:8px; }

.afiliate__form{
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:40px;
  box-shadow:var(--shadow-lg);
}
.field{ margin-bottom:20px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field label{ display:block; font-size:.82rem; font-weight:600; color:var(--ink); margin-bottom:7px; }
.field label span{ font-weight:400; color:var(--ink-faint); }
.field input, .field select, .field textarea{
  width:100%; padding:13px 16px; border-radius:12px; border:1.5px solid var(--line-strong);
  background:var(--bg); font-family:var(--font-body); font-size:.95rem; color:var(--ink);
  transition:border-color .25s, box-shadow .25s;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--blue); box-shadow:0 0 0 4px var(--blue-pale);
}
.field textarea{ resize:vertical; min-height:90px; }
.afiliate__privacy{ font-size:.74rem; color:var(--ink-faint); margin-top:14px; text-align:center; }
.afiliate__success{
  margin-top:16px; text-align:center; font-weight:600; color:var(--teal-deep); background:#E7F6F4;
  padding:12px; border-radius:10px;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background:var(--blue-deep); color:rgba(255,255,255,.86); padding:80px 0 0; }
.footer__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:50px; padding-bottom:56px; border-bottom:1px solid rgba(255,255,255,.14); }
.footer__logo{ width:52px; height:52px; border-radius:50%; margin-bottom:16px; background:#fff; padding:3px; box-shadow:var(--shadow-sm); }
.footer__brand p{ color:rgba(255,255,255,.9); margin-bottom:.6em; font-weight:600; }
.footer__disclaimer{ font-weight:400 !important; font-size:.82rem; color:rgba(255,255,255,.6) !important; max-width:34ch; }
.footer__col h4{ color:#fff; font-family:var(--font-body); font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:16px; }
.footer__col a{ display:block; margin-bottom:10px; font-size:.92rem; color:rgba(255,255,255,.72); transition:color .25s; }
.footer__col a:hover{ color:#fff; }
.footer__social{ display:flex; gap:12px; }
.footer__social a{
  width:40px; height:40px; border-radius:50%; background:rgba(255,255,255,.1);
  display:flex; align-items:center; justify-content:center; margin:0;
}
.footer__social a:hover{ background:var(--lime); color:var(--ink); }
.footer__bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  padding:26px 0; font-size:.78rem; color:rgba(255,255,255,.5);
}

/* =========================================================
   WhatsApp flotante
   ========================================================= */
.wa-float{
  position:fixed; right:24px; bottom:24px; z-index:90;
  width:60px; height:60px; border-radius:50%; background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 30px rgba(37,211,102,.45);
  animation:wa-pulse 2.6s infinite;
  transition:transform .3s var(--ease);
}
.wa-float:hover{ transform:scale(1.08); }
@keyframes wa-pulse{
  0%{ box-shadow:0 10px 30px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.5); }
  70%{ box-shadow:0 10px 30px rgba(37,211,102,.45), 0 0 0 16px rgba(37,211,102,0); }
  100%{ box-shadow:0 10px 30px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,0); }
}

/* =========================================================
   Lightbox
   ========================================================= */
.lightbox{
  position:fixed; inset:0; z-index:200; background:rgba(7,17,29,.92);
  display:flex; align-items:center; justify-content:center; padding:5vh 5vw;
  opacity:0; visibility:hidden; transition:opacity .3s var(--ease), visibility .3s;
}
.lightbox[hidden]{ display:none; }
.lightbox.is-open{ opacity:1; visibility:visible; }
.lightbox img{ max-width:100%; max-height:90vh; border-radius:12px; box-shadow:var(--shadow-lg); }
.lightbox__close{
  position:absolute; top:24px; right:28px; background:rgba(255,255,255,.1); color:#fff; border:none;
  width:44px; height:44px; border-radius:50%; font-size:1.1rem;
}
.lightbox__close:hover{ background:rgba(255,255,255,.2); }

/* =========================================================
   Splash
   ========================================================= */
.splash{
  position:fixed; inset:0; z-index:999; background:var(--bg);
  display:flex; align-items:center; justify-content:center;
  animation:splash-out .6s ease-in 3.9s forwards;
}
.splash__mark{ width:120px; animation:splash-pulse 1.6s ease-in-out infinite; }
@keyframes splash-pulse{ 0%,100%{ opacity:.55; transform:scale(.94); } 50%{ opacity:1; transform:scale(1); } }
@keyframes splash-out{ to{ opacity:0; visibility:hidden; pointer-events:none; } }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .nav{ display:none; }
  .nav-toggle{ display:flex; }
  .header__wa{ display:none; }
  .header__row{ flex-wrap:nowrap; }
  .brand__text{ font-size:.86rem; line-height:1.15; }
  .header__actions .btn--solid{ padding:10px 18px; font-size:.86rem; }

  .about{ grid-template-columns:1fr; gap:60px; }
  .about__media{ max-width:420px; margin:0 auto; }
  .about__card{ position:static; margin-top:18px; max-width:none; }

  .gallery{ grid-template-columns:1fr 1fr; grid-auto-rows:180px; }
  .gallery__item--tall{ grid-row:span 2; }

  .plans{ grid-template-columns:1fr; max-width:440px; margin:0 auto; }
  .plan-card--featured{ transform:none; order:-1; }
  .plan-card--featured:hover{ transform:translateY(-8px); }

  .afiliate__wrap{ grid-template-columns:1fr; gap:44px; }
  .footer__grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width:480px){
  .brand__text{ display:none; }
}

@media (max-width:640px){
  .wrap{ padding:0 20px; }
  .section{ padding:88px 0; }
  .field-row{ grid-template-columns:1fr; gap:0; }
  .afiliate__form{ padding:26px; }
  .footer__grid{ grid-template-columns:1fr; gap:32px; }
  .footer__bottom{ flex-direction:column; }
  .wa-float{ width:54px; height:54px; right:16px; bottom:16px; }
}

/* Reduced motion: keep content visible, only trim decorative motion */
@media (prefers-reduced-motion: reduce){
  .splash{ animation-duration:.01s; animation-delay:.4s; }
  .wa-float{ animation:none; }
}