/* ===== tres57 — landing ===== */
:root{
  --navy:#072654;
  --violet:#6259F7;
  --lime:#CEFD57;
  --cream:#F2F5E6;
  --black:#161616;
  --white:#ffffff;
  --slate:#5A6472;
  --serif:'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:'Space Grotesk', system-ui, Arial, sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--black);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* eyebrow */
.eyebrow{display:inline-block;font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;font-weight:600;margin-bottom:22px}
.eyebrow--lime{color:var(--lime)}
.eyebrow--violet{color:var(--violet)}

/* buttons */
.btn{display:inline-block;font-family:var(--sans);font-weight:600;font-size:.98rem;padding:16px 30px;border-radius:40px;transition:transform .25s ease,background .25s ease,color .25s ease;cursor:pointer;border:2px solid transparent}
.btn--lime{background:var(--lime);color:var(--navy)}
.btn--lime:hover{transform:translateY(-3px)}
.btn--ghost{border-color:rgba(255,255,255,.4);color:var(--cream)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn--lg{padding:19px 42px;font-size:1.05rem}

/* section titles */
.section-title{font-family:var(--serif);font-weight:600;line-height:1.04;letter-spacing:-.01em;font-size:clamp(2rem,5vw,3.4rem);color:var(--navy);max-width:16ch;margin-bottom:34px}
.section-title--light{color:var(--cream)}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;width:100%;display:flex;align-items:center;justify-content:space-between;padding:16px 34px;z-index:100;background:rgba(7,38,84,0);transition:background .4s ease,padding .4s ease}
.nav.scrolled{background:var(--navy);padding:10px 34px;box-shadow:0 8px 30px rgba(7,38,84,.25)}
.nav__logo img{height:38px}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{color:var(--cream);font-size:.95rem;font-weight:500;opacity:.9;transition:opacity .2s,color .2s}
.nav__links a:hover{opacity:1;color:var(--lime)}
.nav__cta{border:2px solid var(--lime);border-radius:40px;padding:9px 20px;color:var(--lime)!important;opacity:1!important}
.nav__cta:hover{background:var(--lime);color:var(--navy)!important}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer}
.nav__burger span{width:26px;height:2px;background:var(--cream);transition:.3s}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;background:var(--navy);display:flex;align-items:center;overflow:hidden}
/* parallax wrapper follows the cursor (JS sets --mx/--my) */
.hero__parallax{position:absolute;inset:0;transform:translate3d(calc(var(--mx,0)*1px),calc(var(--my,0)*1px),0);transition:transform .35s cubic-bezier(.2,.7,.2,1);will-change:transform}
.hero__bg{position:absolute;inset:-9% -10%;background-size:cover;background-position:center right;background-repeat:no-repeat;transform-origin:62% 48%;animation:heroDrift 14s ease-in-out infinite alternate;will-change:transform,filter}
.hero__overlay{position:absolute;inset:0;background:linear-gradient(90deg,var(--navy) 6%,rgba(7,38,84,.68) 32%,rgba(7,38,84,.12) 60%,rgba(7,38,84,0) 100%);transition:opacity .5s ease}
.hero:hover .hero__bg{animation-play-state:paused;filter:brightness(1.18) saturate(1.14)}
.hero:hover .hero__overlay{opacity:.82}
@keyframes heroDrift{
  0%{transform:scale(1.08) translate3d(0,0,0)}
  50%{transform:scale(1.16) translate3d(-2.4%,-1.8%,0)}
  100%{transform:scale(1.11) translate3d(1.6%,-2.6%,0)}
}
.hero__inner{position:relative;z-index:2;max-width:var(--wrap);width:100%;margin:0 auto;padding:0 34px}
.hero__title{font-family:var(--serif);color:var(--cream);font-weight:600;font-size:clamp(2.6rem,7vw,5.4rem);line-height:1.02;letter-spacing:-.02em;margin-bottom:26px}
.hero__title em{font-style:italic;color:var(--lime);font-weight:600}
.hero__sub{color:rgba(242,245,230,.82);font-size:clamp(1.05rem,2vw,1.35rem);max-width:34ch;margin-bottom:40px;line-height:1.5}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap}
.hero__scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);color:rgba(242,245,230,.55);font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;z-index:2}
.hero__scroll::before{content:"";display:block;width:1px;height:38px;background:rgba(242,245,230,.4);margin:0 auto 10px;animation:scrolldrop 1.8s ease-in-out infinite}
@keyframes scrolldrop{0%,100%{transform:scaleY(.3);transform-origin:top;opacity:.3}50%{transform:scaleY(1);opacity:1}}

/* ===== NOSOTROS ===== */
.nosotros{background:var(--cream);padding:120px 0}
.nosotros__grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:10px}
.lead{font-size:1.12rem;line-height:1.68;color:#2a2f38}
.lead strong{color:var(--violet)}
.pull{font-family:var(--serif);font-style:italic;font-size:clamp(1.5rem,3.4vw,2.4rem);line-height:1.2;color:var(--navy);margin-top:56px;font-weight:500}
.pull span{color:var(--violet)}

/* ===== CAMINOS ===== */
.caminos{background:var(--navy);padding:120px 0}
.caminos__intro{color:rgba(242,245,230,.8);font-size:1.12rem;line-height:1.6;max-width:52ch;margin-bottom:52px}
.caminos__cards{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.card{background:var(--cream);border-radius:20px;padding:44px 40px 46px;border-top:8px solid var(--violet);transition:transform .3s ease}
.card--lime{border-top-color:var(--lime)}
.card:hover{transform:translateY(-8px)}
.card__num{font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;font-weight:600;color:var(--violet)}
.card--lime .card__num{color:#7aa11e}
.card h3{font-family:var(--serif);font-size:2rem;font-weight:600;color:var(--navy);margin:10px 0 14px}
.card__sub{font-style:italic;color:var(--slate);margin-bottom:16px;font-family:var(--serif);font-size:1.05rem}
.card p{line-height:1.6;color:#2a2f38}

/* ===== PAQUETES ===== */
.paquetes{background:var(--cream);padding:120px 0}
.paquetes__tag{font-family:var(--serif);font-style:italic;font-size:clamp(1.2rem,2.6vw,1.7rem);color:var(--violet);margin-bottom:48px}
.flow{display:flex;align-items:center;flex-wrap:wrap;gap:12px 6px;margin-bottom:60px}
.flow__step{background:var(--white);border:2px solid var(--navy);color:var(--navy);font-weight:600;padding:13px 22px;border-radius:40px;font-size:.98rem}
.flow__arrow{color:var(--violet);font-weight:700;font-size:1.3rem;padding:0 6px}
.levels{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.level{background:var(--white);border-radius:18px;padding:34px 30px;border-left:6px solid var(--violet)}
.level:nth-child(2){border-left-color:#9DC02E}
.level:nth-child(3){border-left-color:var(--navy)}
.level__dot{display:inline-block;width:14px;height:14px;border-radius:50%;background:var(--lime);margin-bottom:18px}
.level h4{font-family:var(--serif);font-size:1.4rem;color:var(--navy);margin-bottom:10px;font-weight:600}
.level p{line-height:1.55;color:#2a2f38}

/* ===== MODULOS ===== */
.modulos{background:var(--navy);padding:120px 0}
.modulos .section-title{color:var(--cream)}
.modulos__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.mod{background:rgba(255,255,255,.08);border:1px solid rgba(242,245,230,.22);border-radius:18px;padding:32px 28px;transition:background .3s ease,transform .3s ease}
.mod:hover{background:rgba(206,253,87,.14);transform:translateY(-6px)}
.mod span{font-family:var(--serif);font-size:1.1rem;color:var(--lime);font-weight:600}
.mod h4{font-family:var(--serif);font-size:1.35rem;color:var(--cream);margin:8px 0 12px;font-weight:600}
.mod p{color:rgba(242,245,230,.78);line-height:1.55;font-size:.98rem}

/* ===== CTA + FORM (IBM Plex) ===== */
.cta{background:var(--violet);padding:80px 0 120px;text-align:center;font-family:'IBM Plex Sans',var(--sans)}
.cta__inner{max-width:720px;margin:0 auto;padding:0 28px}
.cta__mono{width:140px;margin:0 auto 28px}
.cta__line{font-family:'IBM Plex Sans','Space Grotesk',sans-serif;font-style:italic;font-weight:500;font-size:clamp(1.35rem,3.2vw,2rem);color:var(--cream);line-height:1.3}
.cta__line--accent{color:var(--lime);margin-bottom:44px}

/* form */
.form{background:var(--cream);border-radius:22px;padding:34px 32px 36px;text-align:left;box-shadow:0 24px 60px rgba(7,38,84,.28)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:block;font-family:'IBM Plex Sans',sans-serif;font-size:.82rem;font-weight:600;color:var(--navy);letter-spacing:.02em;margin-bottom:16px}
.form input,.form select,.form textarea{width:100%;margin-top:7px;font-family:'IBM Plex Sans',sans-serif;font-size:1rem;color:var(--black);background:var(--white);border:1.6px solid #d5d9c8;border-radius:12px;padding:13px 15px;transition:border .2s,box-shadow .2s}
.form input::placeholder,.form textarea::placeholder{color:#9aa08f}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(98,89,247,.16)}
.form textarea{resize:vertical}
.form__submit{width:100%;margin-top:8px;border:0;cursor:pointer}
.form__submit:hover{transform:translateY(-3px)}

.cta__contacts{display:flex;justify-content:center;gap:14px 28px;flex-wrap:wrap;margin-top:36px}
.cta__contacts a{display:inline-flex;align-items:center;gap:9px;color:rgba(242,245,230,.9);font-size:.96rem;font-family:'IBM Plex Sans',sans-serif;border-bottom:1px solid transparent;padding-bottom:2px;transition:border .2s,color .2s}
.cta__contacts a svg{flex:none}
.cta__contacts a:hover{color:var(--lime);border-color:var(--lime)}

/* ===== FOOTER ===== */
.footer{background:var(--navy);padding:56px 0}
.footer__inner{max-width:var(--wrap);margin:0 auto;padding:0 34px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer__logo{height:44px}
.footer__meta{flex:1;min-width:240px}
.footer__meta p{color:rgba(242,245,230,.75);font-size:.95rem;line-height:1.5;max-width:52ch}
.footer__addr{font-size:.9rem;color:rgba(242,245,230,.68);margin-top:8px}
.footer__addr a{color:var(--lime)}
.footer__addr a:hover{text-decoration:underline}
.footer__small{margin-top:10px;font-size:.82rem;opacity:.6}
.footer__links{display:flex;gap:14px}
.footer__links a{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;color:var(--navy);background:var(--lime);transition:transform .25s ease,background .25s ease}
.footer__links a:hover{transform:translateY(-3px);background:var(--cream)}

/* ===== RESPONSIVE ===== */
@media(max-width:820px){
  .nav__links{position:fixed;inset:0 0 0 auto;width:74%;max-width:320px;background:var(--navy);flex-direction:column;justify-content:center;gap:26px;transform:translateX(100%);transition:transform .4s ease;padding:40px}
  .nav__links.open{transform:none}
  .nav__burger{display:flex;z-index:120}
  .nav.scrolled{padding:10px 24px}
  .nosotros__grid{grid-template-columns:1fr;gap:24px}
  .caminos__cards{grid-template-columns:1fr}
  .levels{grid-template-columns:1fr}
  .modulos__grid{grid-template-columns:1fr}
  .footer__inner{flex-direction:column;align-items:flex-start}
  .nosotros,.caminos,.paquetes,.modulos{padding:80px 0}
  .flow__arrow{transform:rotate(90deg)}
  .flow{flex-direction:column;align-items:flex-start}
  .form__row{grid-template-columns:1fr}
  .hero__bg{animation-duration:28s}
}