/* === Hablemos Claro — Design System === */
/* DM Sans (grotesque) + Playfair Display (serif) | Acento #2B6B4F Bosque */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --paper:#F4F1EC;
  --paper-warm:#E8E4DD;
  --ink:#1A1A18;
  --ink-mid:#2E2E2D;
  --ink-soft:#6A6A67;
  --accent:#2B6B4F;
  --accent-deep:#1A4A36;
  --accent-light:#8B9A7A;
  --cream:#FDFCFA;
  --rule:#C8C4BC;
  --rule-light:#DDD9D2;
  --sans:'DM Sans',system-ui,-apple-system,sans-serif;
  --serif:'Playfair Display',Georgia,'Times New Roman',serif;
}

html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased}

/* === NAV === */
.nav{position:sticky;top:0;z-index:100;background:rgba(244,241,236,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--rule-light);transition:border-color .3s}
.nav.scrolled{border-bottom-color:var(--rule)}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;height:54px}
.nav-logo{display:flex;align-items:center;text-decoration:none;gap:.4rem}
.nav-logo svg{height:28px;width:auto}
.nav-links{display:none;list-style:none;gap:1.8rem;align-items:center}
.nav-links a{font-size:.72rem;font-weight:600;color:var(--ink-soft);text-decoration:none;letter-spacing:.05em;text-transform:uppercase;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links .n-cta{color:var(--accent);font-weight:700}
.nav-links .n-cta:hover{color:var(--accent-deep)}
.nav-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:20px;height:1.5px;background:var(--ink);transition:all .3s}
.nav-mob{display:none;padding:.5rem 2rem 1.25rem;border-top:1px solid var(--rule-light)}
.nav-mob.open{display:block}
.nav-mob a{display:block;padding:.6rem 0;font-size:.85rem;font-weight:600;color:var(--ink-soft);text-decoration:none;border-bottom:1px solid var(--rule-light)}
.nav-mob a:last-child{border:none;color:var(--accent);padding-top:.8rem}
@media(min-width:900px){.nav-links{display:flex}.nav-toggle{display:none}}

/* === LAYOUT === */
.w{max-width:780px;margin:0 auto;padding:0 2rem}
.w-wide{max-width:1120px;margin:0 auto;padding:0 2rem}
.sec{padding:6rem 0}
.sec p{color:var(--ink-mid);font-size:1rem;margin-bottom:1.2rem;line-height:1.8}
.sec p:last-child{margin-bottom:0}
h1{font-family:var(--sans);font-weight:900;line-height:.92;letter-spacing:-.04em;text-transform:uppercase}
h2{font-family:var(--sans);font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;line-height:1.15;letter-spacing:-.03em;text-transform:uppercase;margin-bottom:1.5rem}
h3{font-family:var(--sans);font-size:1rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em;margin-bottom:.4rem}
.hairline{display:block;width:100%;height:1px;background:var(--rule);border:none;margin:0}

.voice{font-family:var(--serif);font-size:clamp(1.25rem,3vw,1.55rem);font-weight:400;font-style:italic;color:var(--ink);line-height:1.45;margin:2.5rem 0;padding-left:1.25rem;border-left:3px solid var(--accent)}

/* === HERO === */
.hero{padding:6rem 0 5rem;min-height:85vh;display:flex;align-items:center}
.hero h1{font-size:clamp(2.8rem,9vw,5.5rem);margin-bottom:2rem}
.hero h1 span{color:var(--accent)}
.hero-lead{font-family:var(--serif);font-size:clamp(1.1rem,2.5vw,1.3rem);font-style:italic;color:var(--ink-mid);line-height:1.55;max-width:520px;margin-bottom:.75rem}
.hero-sub{font-size:.7rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:3rem}
.hero-body{font-size:1rem;color:var(--ink-mid);line-height:1.8;max-width:540px;margin-bottom:1.2rem}
.hero-accent{font-family:var(--serif);font-size:clamp(1.35rem,3.5vw,1.7rem);font-style:italic;color:var(--accent);margin:2.5rem 0 3rem;line-height:1.3}
.hero-actions{display:flex;gap:1.5rem;align-items:center;flex-wrap:wrap}

/* === BUTTONS === */
.btn{display:inline-block;background:var(--accent);color:var(--cream);padding:.8rem 2rem;font-size:.78rem;font-weight:700;font-family:var(--sans);text-decoration:none;letter-spacing:.08em;text-transform:uppercase;border:none;cursor:pointer;transition:background .2s}
.btn:hover{background:var(--accent-deep)}
.btn:active{transform:scale(.98)}
.btn-outline{display:inline-block;background:none;color:var(--accent);padding:.7rem 1.8rem;font-size:.78rem;font-weight:700;font-family:var(--sans);text-decoration:none;letter-spacing:.08em;text-transform:uppercase;border:2px solid var(--accent);cursor:pointer;transition:all .2s}
.btn-outline:hover{background:var(--accent);color:var(--cream)}
.link-u{font-size:.85rem;font-weight:600;color:var(--ink-soft);text-decoration:none;border-bottom:1px solid var(--rule);padding-bottom:2px;transition:color .2s,border-color .2s}
.link-u:hover{color:var(--ink);border-color:var(--ink)}

/* === PILLARS (3 columnas: Adicción, TDAH, Patología dual) === */
.pillars{display:grid;grid-template-columns:1fr;gap:1.5rem;margin:3rem 0}
@media(min-width:768px){.pillars{grid-template-columns:1fr 1fr 1fr}}
.pillar{padding:2rem 1.5rem;border:1px solid var(--rule-light);background:var(--cream);transition:border-color .2s}
.pillar:hover{border-color:var(--accent)}
.pillar-icon{font-size:.6rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem;padding-bottom:.75rem;border-bottom:2px solid var(--accent)}
.pillar h3{font-size:.9rem;margin-bottom:.5rem}
.pillar p{font-size:.88rem;color:var(--ink-soft);line-height:1.65;margin:0}
.pillar .pillar-link{display:inline-block;margin-top:1rem;font-size:.72rem;font-weight:700;color:var(--accent);text-decoration:none;letter-spacing:.06em;text-transform:uppercase;transition:color .2s}
.pillar .pillar-link:hover{color:var(--accent-deep)}

/* === FOR WHOM === */
.audience-grid{display:grid;grid-template-columns:1fr;gap:0;margin:2rem 0}
@media(min-width:640px){.audience-grid{grid-template-columns:1fr 1fr}}
.audience-item{padding:1.25rem 0 1.25rem 1.5rem;font-size:.95rem;color:var(--ink-mid);line-height:1.6;position:relative;border-bottom:1px solid var(--rule-light)}
.audience-item::before{content:'';position:absolute;left:0;top:1.55rem;width:6px;height:6px;background:var(--accent)}

/* === STEPS === */
.steps{margin:2.5rem 0}
.step{padding:1.75rem 0;border-bottom:1px solid var(--rule-light);display:grid;grid-template-columns:2.5rem 1fr;gap:0 1.5rem;align-items:baseline}
.step:first-child{border-top:1px solid var(--rule-light)}
.step-n{font-family:var(--sans);font-size:1.8rem;font-weight:900;color:var(--rule-light);line-height:1}
.step p{font-size:.95rem;color:var(--ink-soft);line-height:1.6;margin:0}

/* === BLOG PREVIEW === */
.blog-grid{display:grid;grid-template-columns:1fr;gap:1.5rem;margin:2.5rem 0}
@media(min-width:640px){.blog-grid{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.blog-grid{grid-template-columns:1fr 1fr 1fr}}
.blog-card{border:1px solid var(--rule-light);background:var(--cream);overflow:hidden;transition:border-color .2s}
.blog-card:hover{border-color:var(--accent)}
.blog-card-img{height:180px;background:var(--paper-warm);display:flex;align-items:center;justify-content:center;overflow:hidden}
.blog-card-img img{width:100%;height:100%;object-fit:cover}
.blog-card-img .placeholder{font-size:.6rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--rule)}
.blog-card-body{padding:1.25rem}
.blog-card-tag{font-size:.55rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem}
.blog-card-title{font-size:.9rem;font-weight:700;color:var(--ink);line-height:1.4;margin-bottom:.5rem}
.blog-card-title a{color:inherit;text-decoration:none}
.blog-card-title a:hover{color:var(--accent)}
.blog-card-excerpt{font-size:.82rem;color:var(--ink-soft);line-height:1.6}
.blog-card-date{font-size:.65rem;color:var(--rule);margin-top:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em}

/* === FAQ === */
.faq{margin:2rem 0}
.faq-i{border-bottom:1px solid var(--rule-light)}
.faq-i:first-child{border-top:1px solid var(--rule-light)}
.faq-q{width:100%;background:none;border:none;padding:1.15rem 0;font-size:.92rem;font-weight:700;color:var(--ink);text-align:left;cursor:pointer;font-family:var(--sans);display:flex;justify-content:space-between;align-items:center;gap:1.5rem;line-height:1.4;transition:color .2s}
.faq-q:hover{color:var(--accent)}
.faq-x{width:16px;height:16px;flex-shrink:0;position:relative}
.faq-x::before,.faq-x::after{content:'';position:absolute;background:var(--accent);transition:transform .2s,opacity .2s}
.faq-x::before{top:50%;left:2px;right:2px;height:1.5px;transform:translateY(-50%)}
.faq-x::after{left:50%;top:2px;bottom:2px;width:1.5px;transform:translateX(-50%)}
.faq-i.open .faq-x::after{transform:translateX(-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-in{padding-bottom:1.2rem;font-size:.92rem;color:var(--ink-mid);line-height:1.7}
.faq-i.open .faq-a{max-height:500px}

/* === FORM === */
.form-card{background:var(--cream);border:1px solid var(--rule);padding:2rem 1.75rem;margin-top:2rem}
.form-grid{display:grid;grid-template-columns:1fr;gap:1.25rem}
@media(min-width:600px){.form-grid{grid-template-columns:1fr 1fr}.form-card{padding:2.5rem 2rem}}
.fg{display:flex;flex-direction:column}
.fg.span{grid-column:1/-1}
.fg label{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft);margin-bottom:.35rem}
.fg input,.fg textarea,.fg select{padding:.7rem .85rem;font-size:.92rem;font-family:var(--sans);border:1px solid var(--rule);background:var(--paper);color:var(--ink);width:100%;transition:border-color .2s,background .2s}
.fg input::placeholder,.fg textarea::placeholder{color:var(--rule);font-size:.85rem}
.fg input:focus,.fg textarea:focus,.fg select:focus{outline:none;border-color:var(--accent);background:var(--cream)}
.fg textarea{resize:vertical;min-height:100px}
.fg-honey{position:absolute;left:-9999px;opacity:0;height:0;width:0;overflow:hidden;pointer-events:none}
.fc{display:flex;align-items:flex-start;gap:.6rem;grid-column:1/-1}
.fc input[type="checkbox"]{margin-top:.2rem;accent-color:var(--accent);width:15px;height:15px;flex-shrink:0}
.fc label{font-size:.85rem;color:var(--ink-soft);line-height:1.5;cursor:pointer;text-transform:none;font-weight:400;letter-spacing:0}
.form-sub{grid-column:1/-1;margin-top:.5rem}
.form-ft{font-size:.85rem;color:var(--ink-soft);margin-top:1.5rem;line-height:1.6}
.form-err{display:none;margin-top:1rem;padding:1rem;background:#FFF0EE;border:1px solid #C9402C;font-size:.88rem;color:#8A3A2A;line-height:1.5}
.form-ok{display:none;padding:2.5rem 2rem;background:var(--cream);border:1px solid var(--rule);text-align:center;margin-top:2rem}
.form-ok h3{font-size:1rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem}
.form-ok p{color:var(--ink-mid);font-size:.92rem}

/* === CIERRE === */
.cierre{background:var(--ink);padding:8rem 0;text-align:center}
.cierre h2{color:var(--cream);max-width:600px;margin:0 auto 3rem}
.cierre-poem{font-family:var(--serif);font-size:1.1rem;font-style:italic;color:rgba(253,252,250,.4);line-height:2.4;margin-bottom:4rem}
.cierre-hook{font-family:var(--serif);font-size:clamp(1.5rem,4.5vw,2.2rem);font-style:italic;color:var(--cream);margin-bottom:2.5rem;letter-spacing:-.01em}
.cierre .btn{background:var(--cream);color:var(--ink);font-weight:800}
.cierre .btn:hover{background:rgba(253,252,250,.85)}

/* === WHATSAPP === */
.wa{position:fixed;bottom:1.5rem;right:1.5rem;z-index:90;width:56px;height:56px;background:#25D366;display:flex;align-items:center;justify-content:center;cursor:pointer;text-decoration:none;transition:transform .2s,box-shadow .2s;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.wa:hover{transform:scale(1.08);box-shadow:0 4px 20px rgba(0,0,0,.2)}
.wa svg{width:28px;height:28px;fill:#fff}

/* === FOOTER === */
.footer{border-top:1px solid var(--rule-light);padding:3rem 2rem 2rem}
.footer-inner{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:2rem}
@media(min-width:768px){.footer-inner{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer-brand{max-width:280px}
.footer-brand p{font-size:.82rem;color:var(--ink-soft);line-height:1.6;margin-top:.75rem}
.footer-col h4{font-size:.6rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.75rem}
.footer-col a{display:block;padding:.25rem 0;font-size:.82rem;color:var(--ink-mid);text-decoration:none;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{max-width:1120px;margin:2rem auto 0;padding-top:1.5rem;border-top:1px solid var(--rule-light);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer-bottom p{font-size:.7rem;color:var(--ink-soft);letter-spacing:.03em}
.footer-bottom a{color:var(--accent);text-decoration:none}

/* === RESPONSIVE === */
@media(max-width:767px){
  .sec{padding:4rem 0}
  .hero{padding:4.5rem 0 3.5rem;min-height:75vh}
  .w,.w-wide{padding-left:1.5rem;padding-right:1.5rem}
  .nav-inner,.nav-mob{padding-left:1.5rem;padding-right:1.5rem}
  .cierre{padding:5.5rem 0}
  .form-card{padding:1.5rem 1.25rem}
  .step{grid-template-columns:1fr;gap:0}
  .step-n{font-size:1rem;color:var(--accent);margin-bottom:.1rem}
  .wa{bottom:1rem;right:1rem;width:50px;height:50px}
  .wa svg{width:24px;height:24px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.faq-a{transition:none}}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}