/* ==========================================================
   RIU Digital – Landing Desarrollo Web
   Paleta del sitio agenciariu.com · Bootstrap 5.3
   ========================================================== */
:root{
  --bg:#0D0B11;          /* fondo general */
  --bg-2:#120E19;        /* secciones alternas */
  --surface:#1A1228;     /* tarjetas */
  --surface-2:#21163A;   /* tarjetas destacadas */
  --line:#2D1C46;        /* bordes */
  --line-soft:rgba(255,255,255,.07);
  --text:#F2F0F5;
  --muted:#A09DA1;
  --violet:#7C3AED;      /* botones */
  --violet-dark:#6828A1;
  --violet-light:#A259F2;/* palabras resaltadas, kickers */
  --violet-glow:rgba(124,58,237,.35);
  --radius:16px;
  --font:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
}

html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-weight:700;letter-spacing:-.025em;color:#fff}
a{color:inherit}
::selection{background:var(--violet);color:#fff}

/* ---------- Botones ---------- */
.btn-riu{background:var(--violet);color:#fff;border:0;border-radius:10px;font-weight:600;padding:.8rem 1.4rem;transition:transform .15s,background .15s,box-shadow .15s}
.btn-riu:hover,.btn-riu:focus-visible{background:var(--violet-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 30px -10px var(--violet-glow)}
.btn-riu.btn-sm{padding:.5rem .95rem;font-size:.85rem}
.btn-ghost{border:1px solid var(--line);background:rgba(255,255,255,.03);color:#fff;border-radius:10px;font-weight:600;padding:.8rem 1.4rem}
.btn-ghost:hover{border-color:var(--violet-light);color:#fff;background:rgba(124,58,237,.12)}

/* ---------- Nav ---------- */
.riu-nav{background:rgba(13,11,17,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}
.navbar-brand{display:flex;align-items:baseline;gap:.35rem;color:#fff}
.navbar-brand:hover{color:#fff}
.brand-mark{font-weight:800;font-size:1.35rem;letter-spacing:-.03em}
.brand-sub{font-size:.9rem;color:var(--muted)}
.nav-link{font-weight:500;font-size:.92rem;color:var(--muted)!important}
.nav-link:hover{color:#fff!important}
.navbar-toggler{border-color:var(--line)}
.navbar-toggler-icon{filter:invert(1)}
@media (max-width:991.98px){
  .navbar-collapse{padding:.75rem 0 1rem}
  .navbar-collapse .btn{width:100%;margin-top:.5rem}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:8.5rem 0 4.5rem;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:640px;height:640px;background:radial-gradient(closest-side,rgba(124,58,237,.28),transparent);pointer-events:none}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:600;color:#86EFAC;background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.25);padding:.35rem .8rem;border-radius:999px}
.dot{width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.18)}
.display-title{font-size:clamp(2.1rem,5.4vw,3.8rem);line-height:1.04;margin:1.2rem 0}
.display-title em{font-style:normal;color:var(--violet-light)}
.lead-text{font-size:1.08rem;color:var(--muted);max-width:36rem}
.hero-checks{list-style:none;padding:0;margin:1.5rem 0 0;display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;font-size:.88rem;color:var(--muted)}
.hero-checks li::before{content:"✓";color:var(--violet-light);font-weight:700;margin-right:.4rem}
.hero-card{position:relative;background:linear-gradient(160deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:20px;padding:1.6rem;box-shadow:0 30px 70px -35px var(--violet-glow)}
.hero-card-top{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.2rem}
.pill{font-size:.72rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:.25rem .65rem}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-radius:12px;overflow:hidden}
.stats>div{background:var(--surface);padding:1.1rem}
.stats strong{display:block;font-size:1.9rem;font-weight:800;color:var(--violet-light);letter-spacing:-.03em}
.stats span{font-size:.8rem;color:var(--muted)}
.hero-card-foot{margin:1rem 0 0;font-size:.78rem;color:var(--muted)}

/* ---------- Logos ---------- */
.logos{padding:2.5rem 0;border-block:1px solid var(--line-soft);background:var(--bg-2)}
.logos-title{text-align:center;font-size:.75rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:1.25rem}
.logos-row{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;max-width:760px;margin:0 auto}
.logos-row img{width:100%;height:64px;object-fit:contain;background:#F2F0F5;border-radius:10px;padding:.6rem .9rem}
@media (min-width:768px){.logos-row{grid-template-columns:repeat(6,1fr)}}

/* ---------- Secciones ---------- */
.section{padding:5.5rem 0}
.section-soft{background:var(--bg-2)}
.section-dark{background:linear-gradient(180deg,#160E24,#0D0B11)}
.section-head{max-width:46rem;margin-bottom:2.5rem}
.section-head h2{font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.12}
.section-head p,.text-soft{color:var(--muted);font-size:1.02rem}
.kicker{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--violet-light);margin-bottom:.6rem}
.narrow{max-width:820px}

/* ---------- Tarjetas base ---------- */
.svc,.case,.step,.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}

/* ---------- Servicios ---------- */
.svc{height:100%;padding:1.6rem;transition:transform .2s,border-color .2s,box-shadow .2s}
.svc:hover{transform:translateY(-4px);border-color:var(--violet);box-shadow:0 20px 40px -25px var(--violet-glow)}
.svc h3{font-size:1.12rem;margin:.75rem 0 .5rem}
.svc p{color:var(--muted);margin:0;font-size:.95rem}
.svc-n{font-size:.8rem;font-weight:700;color:var(--violet-light)}
.svc-accent{background:linear-gradient(160deg,#3B1C6E,var(--surface-2));border-color:var(--violet)}
.svc-accent p{color:#D6CCE6}

/* ---------- Planes ---------- */
.plan{position:relative;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:2rem}
.plan-hl{border-color:var(--violet);background:linear-gradient(160deg,var(--surface-2),var(--surface));box-shadow:0 25px 60px -35px var(--violet-glow)}
.plan-tag{position:absolute;top:-12px;right:1.5rem;background:var(--violet);color:#fff;font-size:.72rem;font-weight:700;padding:.25rem .7rem;border-radius:999px}
.plan h3{font-size:1.45rem}
.plan-for{color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:1.25rem 0 1.75rem}
.plan li{padding:.5rem 0;border-bottom:1px solid var(--line-soft);font-size:.95rem}
.plan li::before{content:"→";color:var(--violet-light);margin-right:.6rem}

/* ---------- Casos ---------- */
.case{height:100%;padding:2rem}
.case-metric{font-size:2.8rem;font-weight:800;color:var(--violet-light);line-height:1;letter-spacing:-.03em}
.case-metric span{display:block;font-size:.85rem;font-weight:500;color:var(--muted);margin-top:.35rem;letter-spacing:0}
.case h3{margin:1.25rem 0 .25rem}
.case-tags{font-size:.8rem;color:var(--violet-light);text-transform:uppercase;letter-spacing:.08em}
.case p{color:var(--muted)}
.case a{font-weight:600;text-decoration:none;color:#fff}
.case a:hover{color:var(--violet-light)}

/* ---------- Proceso ---------- */
.step{padding:1.6rem;height:100%}
.step span{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--violet);color:#fff;font-weight:800;margin-bottom:1rem}
.step h3{font-size:1.12rem}
.step p{color:var(--muted);margin:0;font-size:.95rem}

/* ---------- Testimonios ---------- */
.quote{height:100%;margin:0;padding:1.6rem;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(160deg,#21103A,var(--surface))}
.quote blockquote{font-size:1.02rem;margin:0 0 1.25rem;color:#E8E4EE}
.quote blockquote::before{content:"“";display:block;font-size:3rem;line-height:.6;color:var(--violet-light);margin-bottom:.4rem}
.quote figcaption{font-size:.85rem;color:var(--muted)}
.quote strong{color:#fff}

/* ---------- Mercados ---------- */
.markets{display:flex;flex-wrap:wrap;gap:.6rem}
.markets span{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.55rem 1rem;font-weight:500;font-size:.92rem}

/* ---------- FAQ ---------- */
.riu-acc{--bs-accordion-bg:var(--surface);--bs-accordion-color:var(--text);--bs-accordion-border-color:var(--line);--bs-accordion-btn-color:#fff;--bs-accordion-active-bg:var(--surface-2);--bs-accordion-active-color:#fff}
.riu-acc .accordion-item{border:1px solid var(--line);border-radius:12px!important;margin-bottom:.75rem;overflow:hidden}
.riu-acc .accordion-button{font-weight:600;font-size:1rem;background:var(--surface);color:#fff}
.riu-acc .accordion-button:not(.collapsed){background:var(--surface-2);box-shadow:none}
.riu-acc .accordion-button::after{filter:invert(1) brightness(1.4)}
.riu-acc .accordion-button:focus{box-shadow:0 0 0 3px var(--violet-glow)}
.riu-acc .accordion-body{color:var(--muted);background:var(--surface-2)}

/* ---------- Formulario ---------- */
#cotizar{position:relative;overflow:hidden}
#cotizar::before{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);width:900px;height:500px;background:radial-gradient(closest-side,rgba(124,58,237,.25),transparent);pointer-events:none}
#cotizar .container{position:relative}
#cotizar h2 em{font-style:italic;color:var(--violet-light)}
.lead-form{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:2rem}
.lead-form .form-control,.lead-form .form-select{background-color:var(--bg);color:#fff;border:1px solid var(--line);border-radius:10px;padding:.75rem 1rem}
.lead-form .form-control::placeholder{color:#6B6670}
.lead-form .form-control:focus,.lead-form .form-select:focus{border-color:var(--violet);box-shadow:0 0 0 3px var(--violet-glow);background-color:var(--bg);color:#fff}
.lead-form .form-select{--bs-form-select-bg-img:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23A09DA1' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e")}
.lead-form option{background:var(--surface);color:#fff}
.form-label{font-weight:600;font-size:.88rem;color:#E8E4EE}
.opt{font-weight:400;color:var(--muted)}
.form-note{font-size:.78rem;color:var(--muted);margin:.75rem 0 0;text-align:center}
.lead-form .invalid-feedback{color:#F87171}

/* ---------- Footer ---------- */
.footer{background:var(--bg);color:var(--muted);padding:2rem 0 6rem;font-size:.85rem;border-top:1px solid var(--line-soft)}
.footer a{color:#E8E4EE;text-decoration:none}
.footer a:hover{color:var(--violet-light)}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;right:16px;bottom:16px;z-index:1050;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 25px -8px rgba(0,0,0,.6);animation:pulse 2.4s infinite}
.wa-float:hover{color:#fff;transform:scale(1.05)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.45)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------- Responsive ---------- */
@media (max-width:991.98px){
  .hero{padding:7rem 0 3.5rem}
  .hero::before{width:420px;height:420px;inset:-10% -30% auto auto}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .hero{padding:6.25rem 0 3rem}
  .section{padding:3.75rem 0}
  .section-head{margin-bottom:1.75rem}
  .btn-lg{width:100%;font-size:1rem}
  .lead-form{padding:1.25rem}
  .plan,.case{padding:1.5rem}
  .svc,.step,.quote{padding:1.35rem}
  .case-metric{font-size:2.3rem}
  .stats strong{font-size:1.6rem}
  .stats>div{padding:.9rem}
  .hero-checks{flex-direction:column;gap:.4rem}
  .markets span{font-size:.85rem;padding:.45rem .8rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}