:root{
  --navy:#0a4d68;
  --teal:#088395;
  --cyan:#05BFDB;
  --bg:#f6fafb;
  --ink:#16232e;
  --muted:#5b7080;
  --line:#dce8ee;
  --card:#ffffff;
  --radius:16px;
  --shadow:0 12px 32px rgba(10,77,104,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;color:var(--navy)}
h1{font-family:'Source Serif 4',Georgia,serif;font-size:clamp(2rem,4.5vw,3.3rem);margin:.4em 0}
h1 em{color:var(--teal);font-style:normal;background:linear-gradient(180deg,transparent 62%,rgba(5,191,219,.35) 62%)}
h2{font-size:clamp(1.5rem,3vw,2.2rem);margin:.3em 0 .5em}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
.center{text-align:center}
.muted{color:var(--muted)} .small{font-size:.88rem}
.section{padding:72px 0} .section.alt{background:var(--bg)}
.section-eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--teal);margin:0 0 8px}
.section-eyebrow.light{color:#bfeef7}
.subtitle{max-width:760px;margin:0 auto 28px;color:var(--muted);font-size:1.08rem}
.hl{color:var(--teal)}

/* topbar */
.topbar{background:var(--navy);color:#d7e9f1;font-size:.86rem}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;padding:8px 20px;gap:12px;flex-wrap:wrap}
.topbar-cta{background:var(--cyan);color:#04222b!important;padding:4px 12px;border-radius:999px;margin-left:10px}

/* header */
.header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy)}
.logo-text strong{display:block;font-size:1rem;line-height:1.1}
.logo-text small{color:var(--teal);font-weight:600;letter-spacing:.04em}
.nav{display:flex;align-items:center;gap:18px}
.nav a{text-decoration:none;color:var(--ink);font-weight:500;font-size:.95rem}
.nav a:hover{color:var(--teal)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:1.1rem}

/* buttons */
.btn{display:inline-block;text-decoration:none;border-radius:12px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn-primary{background:var(--teal);color:#fff;padding:12px 20px}
.btn-primary:hover{background:var(--navy)}
.btn-ghost{border-color:var(--line);color:var(--navy);padding:12px 20px;background:#fff}
.btn-sm{padding:9px 14px;font-size:.9rem}
.btn-lg{padding:14px 22px;font-size:1.02rem}
.btn-block{width:100%;text-align:center}

/* hero */
.hero{background:radial-gradient(900px 420px at 85% 10%,rgba(5,191,219,.18),transparent),linear-gradient(180deg,#eaf6fa,#fff);padding:36px 0 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;padding:28px 20px 36px}
.badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:.85rem;font-weight:600;color:var(--navy);box-shadow:var(--shadow)}
.pulse{width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.lead{font-size:1.12rem;color:#2d4456}
.hero-checks{list-style:none;padding:0;display:flex;gap:14px;flex-wrap:wrap;font-weight:600;color:var(--navy)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.hero-trust{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;max-width:520px}
.avatars{display:flex} .avatars span{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:.75rem;font-weight:700;border:2px solid #fff;margin-left:-8px}
.avatars span:first-child{margin:0} .avatars span:nth-child(2){background:var(--teal)} .avatars span:nth-child(3){background:var(--cyan);color:#04222b} .avatars span:nth-child(4){background:#eaf6fa;color:var(--navy)}
.stars{color:#eab308;font-weight:700} .stars strong{color:var(--navy)}
.micro-legal{font-size:.78rem;color:var(--muted)}

.hero-visual{position:relative}
.hero-card-main{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:18px}
.eye-illus{position:relative;background:linear-gradient(180deg,#eaf6fa,#fff);border-radius:14px;padding:10px}
.drop{position:absolute;top:6px;left:50%;font-size:2rem;animation:drop 2.2s infinite}
@keyframes drop{0%{transform:translate(-50%,-6px);opacity:0}30%{opacity:1}100%{transform:translate(-50%,46px);opacity:0}}
.hero-card-stats{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;margin-top:12px;border-top:1px dashed var(--line);padding-top:12px}
.hero-card-stats strong{display:block;font-size:1.3rem;color:var(--navy)}
.hero-card-stats span{font-size:.8rem;color:var(--muted)}
.float-card{position:absolute;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:10px 12px;font-size:.85rem}
.float-1{top:18px;right:-8px} .float-2{bottom:70px;left:-12px}
.hero-strip{background:var(--navy);color:#d7e9f1;margin-top:10px}
.hero-strip-inner{display:flex;gap:22px;flex-wrap:wrap;justify-content:center;padding:12px 20px;font-size:.9rem;font-weight:500}

.logos{padding:22px 0;border-bottom:1px solid var(--line)}
.logo-row{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;color:var(--muted);font-weight:600}

/* grids & cards */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.narrow{max-width:800px}
.symptom-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.symptom{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;font-size:.92rem}
.symptom span{display:block;color:var(--muted);font-size:.85rem}
.info-card{background:var(--navy);color:#e6f2f7;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.info-card h3{color:#fff;margin-top:0}
.check-list{list-style:none;padding:0;margin:14px 0;display:grid;gap:10px}
.check-list.ok li::before{content:"";} 
.callout{background:rgba(5,191,219,.18);border:1px solid rgba(5,191,219,.4);border-radius:12px;padding:12px 14px}
.callout.light{background:#eef7fa;color:var(--navy);border-color:var(--line)}

.steps-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.step-num{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800}
.timeline{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-top:20px}
.timeline-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:10px}
.timeline-bar div{background:var(--bg);border-radius:10px;padding:10px;text-align:center}
.timeline-bar strong{display:block;color:var(--teal)}

.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card-ico{font-size:1.6rem}
.review p{font-style:italic}
.review footer{margin-top:10px;border-top:1px dashed var(--line);padding-top:10px}
.review footer span{display:block;color:var(--muted);font-size:.85rem}

.table-wrap{overflow-x:auto;margin-top:18px;border-radius:var(--radius);border:1px solid var(--line)}
table.compare{width:100%;border-collapse:collapse;background:#fff;min-width:760px}
.compare th,.compare td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:center;font-size:.93rem}
.compare th:first-child,.compare td:first-child{text-align:left;font-weight:600}
.compare thead th{background:var(--navy);color:#fff}
.compare thead th.best{background:var(--teal)}
.compare td.best{background:#e6fafd;font-weight:700}

.candidate-yes{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.candidate-no{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.steps-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}
.steps-4>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center}
.steps-4 span{font-size:1.6rem}

.doctor{background:linear-gradient(180deg,#fff,#eef7fa)}
.doctor-photo{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;min-height:420px;display:grid;place-items:center;box-shadow:var(--shadow);overflow:hidden}
.doc-avatar{width:220px;height:220px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--teal));color:#fff;display:grid;place-items:center;font-size:4rem;font-weight:800;border:8px solid #eaf6fa}
.doc-badge{position:absolute;bottom:18px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:12px;text-align:center;font-weight:700}
.doc-title{color:var(--teal);font-weight:600}
blockquote{background:#fff;border-left:4px solid var(--cyan);margin:18px 0;padding:14px 16px;border-radius:0 12px 12px 0}
blockquote cite{display:block;color:var(--muted);font-style:normal;margin-top:6px}

.accordion details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.accordion summary{cursor:pointer;font-weight:700;color:var(--navy)}
.accordion p{color:#33475a}

.cta-section{background:linear-gradient(135deg,var(--navy),var(--teal));color:#eaf6fa}
.cta-section h2{color:#fff}
.contact-list{list-style:none;padding:0;display:grid;gap:8px;margin:16px 0}
.contact-list a{color:#fff;font-weight:700}
.guarantee{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);border-radius:12px;padding:12px}
.form-card{background:#fff;color:var(--ink);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.form-card h3{margin:0}
.form-card label{display:block;font-weight:600;font-size:.9rem;margin:10px 0}
.form-card input,.form-card select{width:100%;margin-top:6px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:1rem}
.form-card input:focus,.form-card select:focus{outline:2px solid var(--cyan);border-color:var(--cyan)}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.consent{font-weight:400!important;display:flex!important;gap:8px;align-items:flex-start}
.consent input{width:auto;margin-top:4px}
.form-msg{font-weight:700;margin:10px 0 0}
.form-msg.ok{color:#15803d} .form-msg.err{color:#b91c1c}

.footer{background:#082f3f;color:#c8dde7;padding:36px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:20px}
.footer a{color:#fff}
.footer-legal{border-top:1px solid rgba(255,255,255,.2);margin-top:18px;padding-top:12px}
.whatsapp{position:fixed;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:#22c55e;display:grid;place-items:center;font-size:1.6rem;text-decoration:none;box-shadow:0 10px 24px rgba(0,0,0,.25)}

@media(max-width:900px){
  .hero-grid,.grid-2{grid-template-columns:1fr}
  .steps-3,.cards-3{grid-template-columns:1fr}
  .steps-4{grid-template-columns:1fr 1fr}
  .timeline-bar{grid-template-columns:1fr 1fr}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:16px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .menu-btn{display:block}
  .float-1{right:6px}.float-2{left:6px}
  .topbar-right{display:none}
  .footer-grid{grid-template-columns:1fr}
  .row-2{grid-template-columns:1fr}
  .section{padding:52px 0}
  /* Optimización móvil PRESBIX */
  .lead{font-size:1.15rem}
  .hero-actions .btn{flex:1 1 100%;text-align:center;font-size:1.1rem;padding:16px 20px}
  .hero-grid{padding:20px 16px 24px}
  .hero-card-main{padding:14px}
  .symptom-grid{grid-template-columns:1fr}
  .steps-4{grid-template-columns:1fr}
  .float-card{position:static;margin:8px 0}
}