@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&family=Cinzel:wght@600;700&display=swap');

/* POSTURALIA D 8:17 — misma estructura que paideiatech.com, con los colores
   del logo: azul noche, azul eléctrico de la columna, azul hielo y el dorado
   de «D 8:17». */
:root{
  --navy:#060c18;
  --navy-2:#0a1a33;
  --blue:#2c7cf0;
  --blue-2:#5aa6ff;
  --cyan:#9fd4ff;
  --gold:#d8b45a;
  --white:#fff;
  --ink:#0f1d30;
  --muted:#5e6e84;
  --line:#dde6f1;
  --soft:#f4f7fb;
  --shadow:0 24px 70px rgba(6,22,48,.12);
  --radius:22px;
  --max:1220px;
  --font:'DM Sans',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --display:'Space Grotesk',var(--font);
  --marca:'Cinzel',Georgia,serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.65;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.section{padding:110px 0}
.section-sm{padding:72px 0}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:8px 13px;border:1px solid rgba(44,124,240,.2);background:rgba(44,124,240,.06);border-radius:999px;color:var(--blue);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.eyebrow.dark{border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#cfe6ff}
h1,h2,h3,h4{font-family:var(--display);line-height:1.08}
h2{font-size:clamp(2rem,4vw,3.35rem);letter-spacing:-.04em}
.section-head{max-width:760px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{color:var(--muted);font-size:1.08rem;margin-top:18px}
.text-gradient{background:linear-gradient(90deg,#fff 0%,#a9d6ff 55%,#e6c472 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:14px;padding:14px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 28px rgba(44,124,240,.28)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(44,124,240,.35)}
.btn-gold{background:var(--gold);color:#0a1222;box-shadow:0 12px 28px rgba(216,180,90,.2)}
.btn-gold:hover{transform:translateY(-3px)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-outline{border-color:#c9d7e8;color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-small{padding:10px 14px;font-size:.88rem}

/* Encabezado */
.site-header{position:fixed;inset:0 0 auto;z-index:1000;transition:.3s ease;background:rgba(6,12,24,.58);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
.site-header.scrolled{background:rgba(6,12,24,.93);box-shadow:0 10px 40px rgba(0,0,0,.14)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;color:#fff}
.brand-logo{width:44px;height:44px;object-fit:cover;border-radius:11px;display:block;border:1px solid rgba(255,255,255,.12);box-shadow:0 4px 18px rgba(0,0,0,.25)}
.brand-name{font-family:var(--marca);font-weight:700;font-size:1.18rem;letter-spacing:.06em;line-height:1}
.brand-name small{display:block;font-family:var(--display);font-size:.68rem;letter-spacing:.14em;color:var(--gold);margin-top:4px;text-align:right}
.nav-links{display:flex;align-items:center;gap:25px;list-style:none;color:#d6e4f4;font-size:.92rem}
.nav-links a{opacity:.88;transition:.2s}
.nav-links a:hover,.nav-links a[aria-current]{opacity:1;color:#fff}
.nav-links a[aria-current]{box-shadow:0 2px 0 var(--gold)}
.nav-cta{display:flex;gap:10px;align-items:center}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.7rem;cursor:pointer}

/* Portada */
.hero{min-height:850px;padding:170px 0 90px;background:
radial-gradient(circle at 78% 18%,rgba(90,166,255,.24),transparent 25%),
radial-gradient(circle at 18% 76%,rgba(44,124,240,.16),transparent 28%),
linear-gradient(135deg,#050b16 0%,#0a1a33 48%,#060c18 100%);color:#fff;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:54px 54px;-webkit-mask-image:linear-gradient(to bottom,black,transparent 90%);mask-image:linear-gradient(to bottom,black,transparent 90%);pointer-events:none}
.hero-orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.45;pointer-events:none}
.orb-1{width:320px;height:320px;right:-100px;top:150px;background:radial-gradient(circle,#2c7cf0,transparent 68%)}
.orb-2{width:240px;height:240px;left:-100px;bottom:50px;background:radial-gradient(circle,#9fd4ff,transparent 68%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:clamp(3rem,6vw,5.6rem);letter-spacing:-.065em;margin:22px 0 24px;max-width:900px}
.hero-copy{font-size:1.16rem;line-height:1.75;color:#c6d6e8;max-width:700px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-trust{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;color:#9db1c8;font-size:.86rem}
.hero-trust span{display:flex;align-items:center;gap:7px}.hero-trust b{color:#fff}
.hero-visual{min-height:500px;position:relative;display:grid;place-items:center}
.portal{width:min(430px,90%);aspect-ratio:1;border-radius:38px;background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.18);box-shadow:0 40px 100px rgba(0,0,0,.35),inset 0 1px rgba(255,255,255,.15);backdrop-filter:blur(10px);transform:rotate(-4deg);position:relative}
.portal:before{content:"";position:absolute;inset:22px;border:1px solid rgba(159,212,255,.25);border-radius:30px;z-index:1;pointer-events:none}
.portal-core{position:absolute;inset:34px;border-radius:24px;overflow:hidden;background:#090f1b;box-shadow:0 0 60px rgba(44,124,240,.28)}
.portal-core img{width:100%;height:100%;object-fit:cover;transform:rotate(4deg) scale(1.08)}
.floating-card{position:absolute;padding:15px 18px;background:rgba(8,20,40,.9);border:1px solid rgba(255,255,255,.15);border-radius:16px;box-shadow:0 18px 50px rgba(0,0,0,.3);backdrop-filter:blur(12px);z-index:3}
.fc-1{right:0;top:70px}.fc-2{left:0;bottom:90px}.fc-3{right:28px;bottom:25px}
.floating-card strong{display:block;color:#fff}.floating-card small{color:#9bb0c6}
.dot{width:9px;height:9px;border-radius:50%;background:#5fe0a0;display:inline-block;margin-right:7px;box-shadow:0 0 14px #5fe0a0}

.ticker{background:var(--gold);color:#0a1222;padding:13px 0;overflow:hidden;white-space:nowrap;font-weight:800;font-size:.84rem;text-transform:uppercase;letter-spacing:.08em}
.ticker-track{display:inline-flex;gap:42px;animation:marquee 25s linear infinite}
@keyframes marquee{to{transform:translateX(-50%)}}

/* Tarjetas */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards.cuatro{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.3s ease;position:relative;overflow:hidden}
.card:before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--gold));transform:scaleX(0);transform-origin:left;transition:.3s}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}.card:hover:before{transform:scaleX(1)}
.card-icon{width:52px;height:52px;border-radius:15px;background:linear-gradient(145deg,#e8f2ff,#fff);border:1px solid #cde2ff;display:grid;place-items:center;color:var(--blue);font-size:1.35rem;margin-bottom:22px}
.card-tag{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#9a7a26;margin-bottom:8px}
.card h3{font-size:1.35rem;margin-bottom:10px}.card p{color:var(--muted)}
.card .precio{display:block;margin-top:16px;font:700 1.5rem var(--display);color:var(--ink)}
.card .precio small{font:500 .82rem var(--font);color:var(--muted)}
.card .link{display:inline-flex;margin-top:20px;color:var(--blue);font-weight:700;font-size:.9rem}
.card .feature-list li{color:var(--ink)}

/* Franja oscura */
.dark-band{background:linear-gradient(135deg,#060c18,#0c2547);color:#fff;position:relative;overflow:hidden}
.dark-band:after{content:"";position:absolute;width:600px;height:600px;right:-250px;top:-250px;border-radius:50%;background:radial-gradient(circle,rgba(90,166,255,.16),transparent 65%);pointer-events:none}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;position:relative;z-index:1}
.split p{color:#b6c8db;margin-top:20px;font-size:1.05rem}
.cita{border-left:3px solid var(--gold);padding-left:18px;font-style:italic}
.firma{display:block;margin-top:14px;font-style:normal;color:#fff;font-weight:700}
.firma small{display:block;font-weight:500;color:#8fa5bc}
.feature-list{display:grid;gap:14px;margin-top:28px}
.feature-list li{list-style:none;display:flex;gap:12px;align-items:flex-start;color:#dbe7f2}
.check{flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:rgba(159,212,255,.12);color:var(--cyan);display:grid;place-items:center;font-weight:900;font-size:.75rem}
.feature-list.claro li{color:var(--ink)}.feature-list.claro li span:last-child{color:var(--muted)}.feature-list.claro li b{color:var(--ink)}
.card .check,.claro .check{background:#e8f2ff;color:var(--blue)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:20px;overflow:hidden;margin-top:45px}
.stat{background:rgba(255,255,255,.035);padding:25px}.stat strong{display:block;font:700 2rem var(--display);color:#fff}.stat span{font-size:.82rem;color:#9db1c8}
.split .stats{grid-template-columns:repeat(2,1fr)}
.stats.tres{grid-template-columns:repeat(3,1fr)}
.form-wrap>*,.form-row>*,.field{min-width:0}
.sellos{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.sellos span{font-size:.76rem;font-weight:700;padding:6px 10px;border-radius:9px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:#dbe7f2}

/* Proceso */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;position:relative}
.process.cuatro{grid-template-columns:repeat(4,1fr)}
.process.tres{grid-template-columns:repeat(3,1fr)}
.process:before{content:"";position:absolute;top:31px;left:10%;right:10%;height:1px;background:#c9d7e8}
.step{position:relative;text-align:center;z-index:1}.step-num{margin:auto;width:62px;height:62px;border-radius:50%;background:#fff;border:1px solid #c9d7e8;display:grid;place-items:center;font:700 1.1rem var(--display);color:var(--blue);box-shadow:0 8px 25px rgba(13,40,83,.08)}.step h3{font-size:1rem;margin:16px 0 7px}.step p{font-size:.86rem;color:var(--muted)}
.step .cuando{display:inline-block;margin-top:8px;font-size:.74rem;font-weight:700;color:#9a7a26}

/* Estándares */
.standards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.standard{display:flex;gap:14px;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:.25s}.standard:hover{border-color:#9cc6ff;box-shadow:0 14px 35px rgba(13,40,83,.08);transform:translateY(-3px)}
.code{flex:0 0 auto;padding:7px 10px;border-radius:9px;background:#e8f2ff;color:#1559b8;font-weight:800;font-size:.8rem}.standard p{font-size:.9rem;color:var(--muted)}
.standard p b{display:block;color:var(--ink);font-size:.95rem;margin-bottom:3px}

/* Preguntas */
.faq{max-width:860px;margin:auto;display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:16px;background:#fff;padding:0 22px;transition:.2s}
.faq details[open]{box-shadow:0 14px 35px rgba(13,40,83,.07);border-color:#c4dcff}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--blue);font-size:1.3rem;line-height:1}
.faq details[open] summary:after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:18px}

/* Contacto */
.form-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:start}
.contact-card{background:linear-gradient(145deg,#07142a,#0c2547);color:#fff;border-radius:28px;padding:35px;box-shadow:var(--shadow)}
.contact-card p{color:#b7c9dd;margin-top:15px}.contact-item{display:flex;gap:14px;margin-top:24px}.contact-item .ci{flex:0 0 42px;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:var(--cyan)}.contact-item small{display:block;color:#8fa5bc}.contact-item strong{font-size:.96rem}
.contact-item a:hover{color:var(--cyan)}
.form{display:grid;gap:16px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:grid;gap:7px}.field label{font-size:.84rem;font-weight:700;color:#30435a}.field input,.field textarea,.field select{width:100%;border:1px solid #d5e0ee;border-radius:13px;padding:13px 14px;outline:none;background:#fff;transition:.2s}.field textarea{min-height:140px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:#7fb5ff;box-shadow:0 0 0 4px rgba(44,124,240,.1)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-note{font-size:.78rem;color:#6f8097}.success,.error{padding:13px 15px;border-radius:12px;font-weight:600}.success{background:#e9fbf2;color:#147a4b}.error{background:#fff0f0;color:#a52c2c}

/* Páginas interiores */
.page-hero{padding:155px 0 80px;background:linear-gradient(135deg,#050b16,#0b2648);color:#fff;position:relative;overflow:hidden}.page-hero:after{content:"";position:absolute;width:450px;height:450px;right:-150px;top:-100px;border-radius:50%;background:radial-gradient(circle,rgba(90,166,255,.25),transparent 68%);pointer-events:none}.page-hero .container{position:relative;z-index:1}.page-hero h1{font-size:clamp(2.8rem,6vw,5.2rem);margin:20px 0 18px;letter-spacing:-.05em}.page-hero p{max-width:750px;color:#bccfe2;font-size:1.08rem}
.page-hero .hero-actions{margin-top:28px}
.info-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px}.info-copy p{color:var(--muted);margin:0 0 18px}.info-copy h2{margin-bottom:20px}.callout{border-radius:22px;padding:28px;background:linear-gradient(135deg,#eaf3ff,#fff);border:1px solid #cde2ff;margin-top:26px}.callout strong{display:block;color:#1559b8;margin-bottom:8px}.callout p{color:#4a6079;margin:0}
.course-box{position:sticky;top:100px;border-radius:24px;padding:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.course-box h3{font-size:1.5rem;margin-bottom:14px}.course-meta{display:grid;gap:12px;margin:22px 0}.course-meta div{display:flex;justify-content:space-between;gap:15px;padding-bottom:11px;border-bottom:1px solid #edf2f7;font-size:.9rem}.course-meta span{color:var(--muted)}.course-meta b{text-align:right}.course-box .btn{width:100%}
.course-box .nota{font-size:.78rem;color:var(--muted);margin-top:12px}

.cta-band{background:linear-gradient(135deg,#0a1a33,#123a6b);color:#fff;border-radius:28px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.7rem,3vw,2.4rem)}.cta-band p{color:#bccfe2;margin-top:10px;max-width:620px}

/* Pie */
.footer{background:#050b15;color:#92a8be;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:50px;padding-bottom:35px}.footer h3{color:#fff;font-size:1rem;margin-bottom:15px}.footer p,.footer li{font-size:.88rem}.footer ul{list-style:none;display:grid;gap:8px}.footer a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:.78rem;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* Botón flotante de WhatsApp */
.wa-flotante{position:fixed;right:20px;bottom:20px;z-index:900;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(0,0,0,.25);transition:.2s}
.wa-flotante:hover{transform:translateY(-3px) scale(1.04)}
.wa-flotante svg{width:30px;height:30px}

.reveal{opacity:0;transform:translateY(22px);transition:.7s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:1100px){.nav-links{gap:18px;font-size:.88rem}.cards.cuatro{grid-template-columns:repeat(2,1fr)}}
@media(max-width:980px){
  .nav-links{position:absolute;top:78px;left:20px;right:20px;display:none;flex-direction:column;align-items:stretch;background:rgba(6,12,24,.97);padding:18px;border:1px solid rgba(255,255,255,.1);border-radius:18px}.nav-links.open{display:flex}.nav-links a{display:block;padding:11px}.nav-links a[aria-current]{box-shadow:none;color:var(--gold)}.nav-cta .btn{display:none}.menu-btn{display:block}.hero-grid,.split,.form-wrap,.info-grid{grid-template-columns:1fr}.hero{min-height:auto}.hero-visual{min-height:420px}.cards,.standards{grid-template-columns:repeat(2,1fr)}.cards[style]{grid-template-columns:1fr 1fr!important}.process,.process.cuatro,.process.tres{grid-template-columns:1fr;gap:24px}.process:before{display:none}.step{text-align:left;display:grid;grid-template-columns:62px 1fr;column-gap:16px}.step-num{grid-row:span 2;margin:0}.stats{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.course-box{position:static}
}
@media(max-width:650px){
  .container{width:min(var(--max),calc(100% - 32px))}.section{padding:78px 0}.nav{height:70px}.site-header{background:rgba(6,12,24,.94)}.nav-links{top:70px}.hero{padding:125px 0 65px}.hero h1{font-size:3rem}.hero-copy{font-size:1rem}.hero-visual{min-height:350px}.portal{width:290px}.floating-card{font-size:.8rem;padding:11px 13px}.fc-1{right:-4px;top:20px}.fc-2{left:-4px;bottom:55px}.fc-3{right:6px;bottom:0}.cards,.cards.cuatro,.standards{grid-template-columns:1fr}.stats,.stats.tres{grid-template-columns:1fr 1fr}.stats.tres{grid-template-columns:1fr}.cards[style]{grid-template-columns:1fr!important}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.copyright{flex-direction:column}.cta-band{padding:30px}.brand-name{font-size:1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none}.ticker-track{animation:none}}