/* ============================================================
   landing.css — Página de inicio FinanciLAB
   Estilo tipo Platzi · misma tipografía (Space Grotesk)
   y misma paleta verde sobre fondo oscuro del proyecto.
   ============================================================ */

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

:root{
  font-family:'Space Grotesk',system-ui,-apple-system,sans-serif;

  --bg:#06080d;
  --bg-soft:#0a0e15;
  --bg2:#0d1117;
  --panel:rgba(255,255,255,.035);
  --card:rgba(13,17,23,.72);

  --text:#eef2f7;
  --muted:#95a1b2;
  --muted2:#6c7686;

  --line:rgba(255,255,255,.08);
  --line2:rgba(255,255,255,.14);

  --green:#1fd18b;
  --green2:#0dbf77;
  --cyan:#5ee7f0;
  --green-soft:rgba(31,209,139,.12);
  --green-glow:rgba(31,209,139,.28);

  --wa:#25d366;

  --maxw:1180px;
  --radius:22px;
}

html{scroll-behavior:smooth}

body{
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  min-height:100vh;
}

a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--green-glow);color:#04130c}

.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:clamp(18px,5vw,40px);
}

.grad{
  background:linear-gradient(100deg,var(--green) 10%,var(--cyan) 90%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* =========================================================
   NAV
========================================================= */
.nav{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,8,13,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--maxw);
  margin-inline:auto;
  padding:14px clamp(18px,5vw,40px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{display:flex;align-items:center;gap:11px}
.brand img{width:34px;height:34px;border-radius:9px;filter:drop-shadow(0 6px 16px var(--green-glow))}
.brand b{
  font-weight:700;
  font-size:19px;
  letter-spacing:-.02em;
}
.brand b span{color:var(--green)}

.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 14px;
  border-radius:10px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  transition:.18s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}

.nav-right{display:flex;align-items:center;gap:10px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-weight:700;
  font-size:14.5px;
  padding:11px 22px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn.primary{
  background:linear-gradient(180deg,var(--green),var(--green2));
  color:#04130c;
  box-shadow:0 10px 30px rgba(31,209,139,.22);
}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(31,209,139,.30)}
.btn.ghost{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line2);
  color:var(--text);
}
.btn.ghost:hover{transform:translateY(-2px);border-color:var(--green)}
.btn.lg{padding:15px 30px;font-size:16px}
.btn:active{transform:translateY(0)}

.burger{
  display:none;
  width:42px;height:42px;
  border-radius:11px;
  border:1px solid var(--line2);
  background:rgba(255,255,255,.03);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.burger span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:.2s ease}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{
  display:none;
  border-bottom:1px solid var(--line);
  background:rgba(8,11,18,.96);
  backdrop-filter:blur(18px);
}
.mobile-menu.show{display:block}
.mobile-menu a{
  display:block;
  padding:15px clamp(18px,5vw,40px);
  font-size:16px;
  font-weight:500;
  color:var(--muted);
  border-top:1px solid var(--line);
}
.mobile-menu a:first-child{border-top:none}
.mobile-menu a:hover{color:var(--green)}

/* =========================================================
   HERO
========================================================= */
.hero{
  position:relative;
  overflow:hidden;
  padding:clamp(56px,11vw,110px) 0 clamp(40px,7vw,70px);
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(60% 50% at 15% 0%, rgba(31,209,139,.16), transparent 60%),
    radial-gradient(50% 45% at 90% 10%, rgba(94,231,240,.10), transparent 60%);
  pointer-events:none;
}
.hero-chart{
  position:absolute;
  left:0;right:0;bottom:-2px;
  width:100%;height:auto;
  opacity:.5;
  pointer-events:none;
  z-index:0;
}
.hero .container{position:relative;z-index:2;max-width:880px}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:8px 15px;
  border-radius:999px;
  background:var(--green-soft);
  border:1px solid rgba(31,209,139,.20);
  color:var(--green);
  font-size:11.5px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.16em;
  margin-bottom:22px;
}
.eyebrow .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 14px var(--green);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}

.hero h1{
  font-size:clamp(38px,8.2vw,74px);
  line-height:1.03;
  letter-spacing:-.045em;
  font-weight:700;
  margin-bottom:22px;
  max-width:14ch;
}
.hero .lead{
  font-size:clamp(16px,2.3vw,20px);
  color:var(--muted);
  line-height:1.6;
  max-width:60ch;
  margin-bottom:30px;
}
.hero .lead b{color:var(--text);font-weight:600}

/* Buscador estilo Platzi */
.search-wrap{max-width:620px;margin-bottom:14px}
.search-label{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-bottom:10px;
}
.search-box{
  display:flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.03);
  border:1.5px solid var(--line2);
  border-radius:16px;
  padding:6px 6px 6px 18px;
  transition:.2s ease;
}
.search-box:focus-within{
  border-color:rgba(31,209,139,.6);
  box-shadow:0 0 0 4px rgba(31,209,139,.10);
}
.search-box input{
  flex:1;
  background:none;
  border:none;
  outline:none;
  color:var(--text);
  font:inherit;
  font-size:16px;
  padding:12px 0;
}
.search-box input::placeholder{color:var(--muted2)}
.search-box .go{
  flex-shrink:0;
  width:46px;height:46px;
  border-radius:12px;
  background:linear-gradient(180deg,var(--green),var(--green2));
  color:#04130c;
  display:grid;
  place-items:center;
}
.search-box .go svg{width:20px;height:20px}
.search-note{font-size:14px;color:var(--muted)}
.search-note a{color:var(--green);text-decoration:underline;text-underline-offset:3px;font-weight:600}

/* Tira de prueba social */
.trust{
  display:flex;
  flex-wrap:wrap;
  gap:14px 34px;
  margin-top:42px;
  padding-top:30px;
  border-top:1px solid var(--line);
}
.trust .item{display:flex;flex-direction:column;gap:1px}
.trust .num{
  font-size:clamp(22px,4vw,30px);
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--text);
}
.trust .num em{color:var(--green);font-style:normal}
.trust .lbl{font-size:12.5px;color:var(--muted);letter-spacing:.02em}

/* =========================================================
   SECCIONES GENÉRICAS
========================================================= */
.section{padding:clamp(60px,9vw,110px) 0;position:relative}
.section.alt{background:linear-gradient(180deg,transparent,var(--bg-soft) 30%,var(--bg-soft) 70%,transparent)}
.section-head{max-width:720px;margin-bottom:clamp(34px,5vw,56px)}
.section-head .eyebrow{margin-bottom:18px}
.section h2{
  font-size:clamp(28px,5vw,46px);
  line-height:1.08;
  letter-spacing:-.035em;
  font-weight:700;
}
.section-head p{
  margin-top:16px;
  font-size:clamp(15px,2vw,18px);
  color:var(--muted);
  line-height:1.6;
}

/* =========================================================
   AUTORIDAD + MOCKUP
========================================================= */
.authority{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(30px,5vw,64px);
  align-items:center;
}
.authority-copy h2{margin-bottom:22px}
.feature{
  display:flex;
  gap:15px;
  align-items:flex-start;
  padding:14px 0;
  border-top:1px solid var(--line);
}
.feature:first-of-type{border-top:none}
.feature .ico{
  flex-shrink:0;
  width:42px;height:42px;
  border-radius:12px;
  background:var(--green-soft);
  border:1px solid rgba(31,209,139,.22);
  color:var(--green);
  display:grid;place-items:center;
}
.feature .ico svg{width:21px;height:21px}
.feature h4{font-size:16.5px;font-weight:600;margin-bottom:3px}
.feature p{font-size:14px;color:var(--muted);line-height:1.5}

/* showcase: teléfono + temario */
.showcase{
  position:relative;
  display:flex;
  align-items:flex-start;
  justify-content:center;
  gap:0;
}
.showcase::before{
  content:'';
  position:absolute;
  inset:-6% -10%;
  background:radial-gradient(50% 50% at 60% 40%, rgba(31,209,139,.16), transparent 70%);
  filter:blur(10px);
  z-index:0;
}

/* Teléfono */
.phone{
  position:relative;
  z-index:2;
  width:min(280px,72vw);
  flex-shrink:0;
  border-radius:42px;
  padding:11px;
  background:linear-gradient(160deg,#1b212c,#0a0d13);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:
    0 40px 90px rgba(0,0,0,.55),
    0 0 0 1px rgba(255,255,255,.03) inset;
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.phone .screen{
  position:relative;
  border-radius:32px;
  overflow:hidden;
  background:#0b0b0f;
  aspect-ratio:9/14;
}
.phone .screen img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:top center;
}
.phone .island{
  position:absolute;
  top:9px;left:50%;
  transform:translateX(-50%);
  width:86px;height:21px;
  background:#04060a;
  border-radius:999px;
  z-index:3;
}
.live-badge{
  position:absolute;
  z-index:4;
  top:14px;left:14px;
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(8,11,18,.7);
  backdrop-filter:blur(6px);
  border:1px solid rgba(31,209,139,.4);
  color:var(--green);
  font-size:11px;font-weight:700;
  padding:5px 10px;border-radius:999px;
}
.live-badge i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}

/* Tarjeta temario */
.syllabus{
  position:relative;
  z-index:1;
  width:min(330px,90vw);
  margin-left:-46px;
  margin-top:40px;
  align-self:stretch;
  background:var(--card);
  backdrop-filter:blur(20px);
  border:1px solid var(--line2);
  border-radius:22px;
  padding:18px;
  box-shadow:0 30px 70px rgba(0,0,0,.45);
}
.syllabus-top{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.syllabus-top .badge{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(150deg,var(--green),var(--cyan));
  color:#04130c;display:grid;place-items:center;font-weight:800;font-size:18px;
}
.syllabus-top h5{font-size:15px;font-weight:700;line-height:1.2;letter-spacing:-.01em}
.syllabus-top .meta{font-size:11.5px;color:var(--muted);margin-top:3px}
.syllabus-top .meta b{color:var(--green)}
.syll-tabs{display:flex;gap:18px;border-bottom:1px solid var(--line);margin-bottom:12px;font-size:12.5px}
.syll-tabs span{padding-bottom:9px;color:var(--muted)}
.syll-tabs span.on{color:var(--text);font-weight:600;border-bottom:2px solid var(--green)}
.syll-group{font-size:10.5px;letter-spacing:.10em;text-transform:uppercase;color:var(--muted2);margin:12px 0 7px;font-weight:600}
.syll-group:first-of-type{margin-top:0}
.lesson{display:flex;align-items:center;gap:10px;padding:7px 0}
.lesson .thumb{
  width:34px;height:34px;border-radius:8px;flex-shrink:0;
  display:grid;place-items:center;color:#04130c;
}
.lesson .thumb svg{width:14px;height:14px}
.t1{background:linear-gradient(140deg,#1fd18b,#0dbf77)}
.t2{background:linear-gradient(140deg,#5ee7f0,#1fd18b)}
.t3{background:linear-gradient(140deg,#9b6dff,#5ee7f0)}
.t4{background:linear-gradient(140deg,#f5b941,#1fd18b)}
.lesson .l-body{flex:1;min-width:0}
.lesson .l-title{font-size:12.5px;font-weight:500;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lesson .l-time{font-size:10.5px;color:var(--muted2);margin-top:1px}
.lesson .check{flex-shrink:0;color:var(--green);font-size:13px}
.lesson.done .l-title{color:var(--muted)}

/* =========================================================
   ESCUELAS / RUTAS
========================================================= */
.schools{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(270px,1fr));
  gap:16px;
}
.school{
  display:block;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px;
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
  position:relative;
  overflow:hidden;
}
.school::after{
  content:'';
  position:absolute;
  inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent,var(--green)),transparent);
  opacity:0;transition:opacity .2s ease;
}
.school:hover{transform:translateY(-4px);border-color:var(--line2);background:rgba(255,255,255,.05)}
.school:hover::after{opacity:.6}
.school .s-ico{
  width:50px;height:50px;border-radius:14px;
  display:grid;place-items:center;font-size:24px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  margin-bottom:16px;
}
.school h3{font-size:18px;font-weight:700;letter-spacing:-.01em;margin-bottom:6px}
.school p{font-size:13.5px;color:var(--muted);line-height:1.5;margin-bottom:14px}
.school .s-routes{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--green);
}
.school .s-routes svg{width:14px;height:14px;transition:transform .2s ease}
.school:hover .s-routes svg{transform:translateX(3px)}

/* =========================================================
   CTA FINAL
========================================================= */
.cta-band{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(31,209,139,.22);
  border-radius:var(--radius);
  padding:clamp(40px,7vw,72px);
  text-align:center;
  background:
    radial-gradient(60% 120% at 50% 0%, rgba(31,209,139,.16), transparent 70%),
    linear-gradient(180deg,rgba(13,17,23,.6),rgba(13,17,23,.9));
}
.cta-band h2{font-size:clamp(26px,5vw,44px);letter-spacing:-.035em;line-height:1.1;margin-bottom:16px}
.cta-band p{font-size:clamp(15px,2vw,18px);color:var(--muted);max-width:54ch;margin:0 auto 30px;line-height:1.6}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* =========================================================
   FOOTER
========================================================= */
.footer{border-top:1px solid var(--line);padding:56px 0 40px;margin-top:clamp(40px,7vw,80px)}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:36px;
  margin-bottom:40px;
}
.footer .brand{margin-bottom:14px}
.footer-about p{font-size:14px;color:var(--muted);line-height:1.6;max-width:34ch}
.footer-col h6{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted2);margin-bottom:14px;font-weight:700}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:5px 0;transition:color .15s}
.footer-col a:hover{color:var(--green)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
  padding-top:26px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted2);
}
.footer-bottom .socials{display:flex;gap:10px}
.footer-bottom .socials a{
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);
  transition:.18s ease;
}
.footer-bottom .socials a:hover{color:var(--green);border-color:var(--green)}
.footer-bottom .socials svg{width:17px;height:17px}

/* =========================================================
   BOTÓN WHATSAPP FLOTANTE
========================================================= */
.wa-float{
  position:fixed;
  right:22px;bottom:22px;
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:0;
  background:var(--wa);
  color:#fff;
  border-radius:999px;
  height:60px;
  padding:0 18px;
  box-shadow:0 14px 34px rgba(37,211,102,.4);
  transition:transform .2s ease, box-shadow .2s ease;
  overflow:hidden;
}
.wa-float:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(37,211,102,.5)}
.wa-float svg{width:30px;height:30px;flex-shrink:0}
.wa-float .wa-label{
  max-width:0;
  opacity:0;
  white-space:nowrap;
  font-weight:700;
  font-size:14.5px;
  transition:max-width .3s ease, opacity .25s ease, margin .3s ease;
}
.wa-float:hover .wa-label{max-width:180px;opacity:1;margin-left:10px}
.wa-float::after{
  content:'';
  position:absolute;
  inset:0;border-radius:999px;
  border:2px solid var(--wa);
  animation:waRing 2.4s ease-out infinite;
}
@keyframes waRing{0%{transform:scale(1);opacity:.6}70%,100%{transform:scale(1.5);opacity:0}}

/* =========================================================
   REVEAL ON SCROLL
========================================================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* =========================================================
   RESPONSIVE
========================================================= */
@media(max-width:980px){
  .authority{grid-template-columns:1fr}
  .authority-copy{order:1}
  .showcase{order:2;margin-top:8px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:760px){
  .nav-links{display:none}
  .burger{display:flex}
  .hero h1{max-width:none}
  .syllabus{
    margin-left:0;
    margin-top:18px;
    width:min(360px,92vw);
  }
  .showcase{flex-direction:column;align-items:center}
  .phone{width:min(260px,68vw)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .wa-float{height:56px;right:16px;bottom:16px;padding:0 16px}
  .wa-float svg{width:28px;height:28px}
}

@media(max-width:420px){
  .trust{gap:12px 24px}
  .btn.lg{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none !important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}