/* ═══════════════════════════════════════════════════════
   DRIVO PRO — Design System v1.0
   Manrope + Bebas Neue | Mobile-first | Obsidiana dark
   Shared across: index · roadmap · academia · legal
   ═══════════════════════════════════════════════════════ */

:root{
  --obsidiana:#0D0B0C;
  --obsidiana-2:#171213;
  --obsidiana-3:#1E1A1B;
  --cian:#FF3333;
  --cian-soft:#D81E1E;
  --rojo:#FF3333;
  --amarillo:#FF8A3D;
  --naranja:#FF8A3D;
  --verde:#22C55E;
  --azul:#3B82F6;
  --violeta:#A78BFA;
  --dorado:#F59E0B;
  --oro:#F59E0B;
  --blanco:#F6F2F2;
  --gris:#9A8E8F;
  --gris-line:rgba(255,255,255,.09);
  --radius:18px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  font-family:'Manrope',sans-serif;
  background:var(--obsidiana);
  color:var(--blanco);
  overflow-x:hidden;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  text-size-adjust:100%;
  -webkit-text-size-adjust:100%;
}

h1,h2,h3,h4,.bebas{
  font-family:'Bebas Neue',sans-serif;
  letter-spacing:.5px;line-height:.95;
}

.container{max-width:1180px;margin:0 auto;padding:0 22px}
.accent{color:var(--cian)}
.gold{color:var(--oro)}
.green{color:var(--verde)}
section{position:relative}

/* ── Atmosphere ── */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(800px 500px at 85% -5%,rgba(255,51,51,.18),transparent 60%),
    radial-gradient(700px 500px at -10% 100%,rgba(255,138,61,.10),transparent 55%);
  pointer-events:none;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;opacity:.03;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ══════════════════════════════
   NAV — fixed, glass, scrolled
   ══════════════════════════════ */
nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;
  background:rgba(10,14,20,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--gris-line);
  transition:padding .3s,background .3s;
}
nav.scrolled{padding:10px 28px;background:rgba(10,14,20,.95)}

.logo{
  font-family:'Bebas Neue';font-size:30px;letter-spacing:2px;
  text-decoration:none;color:var(--blanco);
}
.logo span{color:var(--cian)}
.logo small{
  font-size:11px;letter-spacing:3px;color:var(--gris);
  display:block;margin-top:-6px;
  font-family:'Manrope';font-weight:700;
}

.nav-cta{
  background:var(--cian);color:var(--obsidiana);font-weight:700;
  padding:11px 22px;border-radius:50px;text-decoration:none;
  font-size:14px;transition:.25s;border:none;cursor:pointer;
  min-height:44px;display:inline-flex;align-items:center;
}
.nav-cta:hover{background:var(--blanco);transform:translateY(-2px)}

.nav-link{
  color:var(--gris);text-decoration:none;font-size:13px;
  letter-spacing:.5px;transition:color .2s;
  min-height:44px;display:inline-flex;align-items:center;
}
.nav-link:hover{color:var(--blanco)}

/* ══════════════════════════════
   SECTIONS
   ══════════════════════════════ */
.pad{padding:100px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 56px}
.sec-tag{
  color:var(--cian);font-weight:700;letter-spacing:3px;
  font-size:13px;text-transform:uppercase;
}
.sec-tag.gold{color:var(--oro)}
.sec-tag.green{color:var(--verde)}
.sec-tag.blue{color:var(--azul)}
.sec-tag.red{color:var(--cian)}
.sec-head h2{font-size:clamp(40px,5vw,64px);margin:12px 0}
.sec-head p{color:var(--gris);font-size:18px}

/* ══════════════════════════════
   SCROLL REVEAL
   ══════════════════════════════ */
.reveal{
  opacity:0;transform:translateY(32px);
  transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1);
}
.reveal.on{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.1s}
.reveal-d2{transition-delay:.2s}
.reveal-d3{transition-delay:.3s}
.reveal-d4{transition-delay:.4s}
.reveal-d5{transition-delay:.5s}

/* ══════════════════════════════
   SECTION DIVIDERS
   ══════════════════════════════ */
.section-divider,.divider{
  height:1px;max-width:800px;margin:0 auto;
  background:linear-gradient(90deg,transparent,rgba(255,51,51,.2),rgba(255,138,61,.15),transparent);
}

/* ══════════════════════════════
   GLASSMORPHISM
   ══════════════════════════════ */
.glass{
  background:rgba(23,18,19,.55);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.06);
}
.glass::after{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);
  pointer-events:none;
}

/* ══════════════════════════════
   GRADIENTS
   ══════════════════════════════ */
.grad-gold{
  background:linear-gradient(135deg,#F59E0B,#FBBF24);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.grad-red{
  background:linear-gradient(135deg,#FF3333,#FF6655);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}

/* ══════════════════════════════
   BUTTONS
   ══════════════════════════════ */
.btn-primary{
  background:var(--cian);color:var(--obsidiana);font-weight:700;font-size:16px;
  padding:16px 32px;border-radius:50px;text-decoration:none;
  display:inline-flex;align-items:center;gap:10px;
  transition:.25s;border:none;cursor:pointer;
  box-shadow:0 10px 30px rgba(255,51,51,.3);
  animation:glow-cta 3s ease-in-out infinite;
  min-height:48px;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(255,51,51,.45)}

@keyframes glow-cta{
  0%,100%{box-shadow:0 10px 30px rgba(255,51,51,.3)}
  50%{box-shadow:0 10px 30px rgba(255,51,51,.3),0 0 50px rgba(255,51,51,.12)}
}

.btn-ghost{
  background:transparent;color:var(--blanco);font-weight:700;font-size:16px;
  padding:16px 30px;border-radius:50px;text-decoration:none;
  border:1px solid var(--gris-line);transition:.25s;
  display:inline-flex;align-items:center;gap:8px;min-height:48px;
}
.btn-ghost:hover{border-color:var(--cian);color:var(--cian)}

.btn-red{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--cian);color:#fff;font-weight:700;font-size:16px;
  padding:16px 36px;border-radius:50px;border:none;cursor:pointer;
  transition:.25s;text-decoration:none;min-height:48px;
}
.btn-red:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(255,51,51,.4)}

.btn-gold{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--oro),#FBBF24);color:var(--obsidiana);
  font-weight:700;font-size:16px;padding:16px 32px;border-radius:50px;
  text-decoration:none;transition:.25s;
  box-shadow:0 10px 30px rgba(245,158,11,.25);min-height:48px;
}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(245,158,11,.4)}

.btn-outline{
  background:transparent;color:var(--blanco);font-weight:700;font-size:16px;
  padding:16px 30px;border-radius:50px;text-decoration:none;
  border:1px solid var(--gris-line);transition:.25s;
  display:inline-flex;align-items:center;gap:8px;min-height:48px;
}
.btn-outline:hover{border-color:var(--oro);color:var(--oro)}

.btn-wa{
  display:inline-flex;align-items:center;gap:8px;
  background:#25D366;color:#fff;font-weight:700;font-size:16px;
  padding:16px 28px;border-radius:50px;border:none;cursor:pointer;
  transition:.25s;text-decoration:none;min-height:48px;
}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(37,211,102,.4)}

.btn-dark{
  background:var(--obsidiana);color:var(--blanco);font-weight:700;
  padding:18px 42px;border-radius:50px;text-decoration:none;
  display:inline-block;transition:.25s;min-height:48px;
}
.btn-dark:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.3)}

/* ══════════════════════════════
   ANIMATIONS
   ══════════════════════════════ */
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-10px)}}

/* ══════════════════════════════
   WA FLOAT
   ══════════════════════════════ */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:60;
  width:62px;height:62px;border-radius:50%;background:#25D366;
  display:grid;place-items:center;
  box-shadow:0 8px 24px rgba(37,211,102,.5);
  text-decoration:none;transition:.25s;animation:pulse-wa 2.5s infinite;
}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:32px;height:32px;fill:#fff}

@keyframes pulse-wa{
  0%{box-shadow:0 8px 24px rgba(37,211,102,.5)}
  50%{box-shadow:0 8px 24px rgba(37,211,102,.5),0 0 0 14px rgba(37,211,102,0)}
  100%{box-shadow:0 8px 24px rgba(37,211,102,.5)}
}

/* ══════════════════════════════
   FOOTER — unified
   ══════════════════════════════ */
footer{
  padding:40px 0 24px;border-top:1px solid var(--gris-line);margin-top:80px;
}
.foot-grid{
  max-width:1180px;margin:0 auto;padding:0 22px;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:16px;
}
footer .logo{font-size:26px}
footer p{color:var(--gris);font-size:13px}
.hermana{color:var(--gris);font-size:12px;margin-top:6px}
.hermana b,.hermana strong{color:var(--cian)}
.foot-links{display:flex;gap:16px;flex-wrap:wrap}
.foot-links a{color:var(--gris);text-decoration:none;font-size:13px;transition:color .2s}
.foot-links a:hover{color:var(--blanco)}

/* ══════════════════════════════
   CARDS — shared
   ══════════════════════════════ */
.card{
  background:var(--obsidiana-2);border:1px solid var(--gris-line);
  border-radius:14px;padding:24px;transition:border-color .2s;
}
.card:hover{border-color:var(--dorado)}

/* ══════════════════════════════
   FAQ — shared
   ══════════════════════════════ */
.faq-item{border-bottom:1px solid var(--gris-line);padding:20px 0}
.faq-q{
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;
  font-family:'Bebas Neue';font-size:24px;letter-spacing:.5px;
  user-select:none;
}
.faq-q .faq-icon{transition:transform .3s;font-size:20px;color:var(--cian)}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
  color:var(--gris);font-size:15px;line-height:1.7;
}
.faq-item.open .faq-a{max-height:300px;padding-top:12px}

/* ══════════════════════════════
   MOBILE-FIRST RESPONSIVE
   ══════════════════════════════ */
@media(max-width:900px){
  nav{padding:14px 18px}
  .pad{padding:72px 0}
}

@media(max-width:560px){
  .logo small{display:none}
  .hide-mobile{display:none}

  .pad{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:clamp(32px,8vw,48px)}
  .sec-head p{font-size:15px}

  .btn-primary,.btn-ghost,.btn-outline,.btn-red,.btn-gold,.btn-wa{
    width:100%;justify-content:center;
    padding:16px 20px;font-size:15px;
  }

  .wa-float{bottom:16px;right:16px;width:56px;height:56px}
  .wa-float svg{width:28px;height:28px}

  footer{padding:28px 0 16px;margin-top:48px}
  .foot-grid{flex-direction:column;text-align:center;gap:12px}
  .foot-links{justify-content:center}

  .faq-q{font-size:20px}
}

/* ── Touch-friendly ── */
@media(hover:none){
  .nav-link{padding:8px 4px}
}