/* ==========================================================================
   RANKHUB · LANDING (rankhub.es)
   ========================================================================== */
:root{
  --font:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  --navy:#0E1730;
  --navy-2:#121C3A;
  --panel:#1B2747;
  --panel-2:#243358;
  --white:#F5F7FB;
  --dim:#A9B3CC;
  --blue:#2F6BFF;
  --blue-2:#5B8CFF;
  --blue-pale:#9FC1FF;
  --blue-faint:#1B2C57;
  --success:#34D399;
  --ink:#0B1220;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;background:#0E1730;height:100%;}
body{
  min-height:100%;
  background:var(--navy);
  color:var(--white);
  font-family:var(--font);
  line-height:1.5;
  overflow-x:hidden;
}
h1,h2,h3,.display{
  font-family:var(--font);
  font-weight:800;
  letter-spacing:-0.01em;
  line-height:1.05;
}
.mono{font-family:var(--font-mono);}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px;}
a{color:inherit;text-decoration:none;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--blue-2);
  font-weight:600;
}

/* ---------- NAV ---------- */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(14,23,48,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(245,247,251,0.08);
}
nav .wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  min-height:64px;
  flex-wrap:nowrap;
}
.logo{display:flex;align-items:center;gap:8px;min-width:0;flex-shrink:1;overflow:hidden;}
.logo-icon{height:24px;width:auto;display:block;flex-shrink:0;}
.logo-word{
  font-family:var(--font);font-weight:800;font-size:21px;color:var(--white);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.logo-word .hub{color:var(--blue-2);}
.logo-word .es{color:var(--dim);font-weight:600;font-size:14px;}
.nav-cta{
  background:var(--blue);color:var(--white);
  font-weight:700;font-size:13.5px;
  padding:10px 18px;border-radius:6px;
  font-family:var(--font);
  white-space:nowrap;flex-shrink:0;
}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding:110px 0 90px;
  background:
    radial-gradient(ellipse 800px 500px at 82% -10%, rgba(47,107,255,0.20), transparent 60%),
    var(--navy);
  overflow:hidden;
}
.barsbg{position:absolute;inset:0;z-index:0;pointer-events:none;}
.hero .wrap{position:relative;z-index:1;}
.hero-tag{display:flex;gap:10px;align-items:center;margin-bottom:22px;}
.hero-tag .dot{width:7px;height:7px;min-width:7px;min-height:7px;flex-shrink:0;border-radius:50%;background:var(--success);box-shadow:0 0 8px var(--success);}
h1.hero-h{
  font-size:clamp(40px,6.6vw,76px);
  max-width:800px;
  margin-bottom:26px;
}
h1.hero-h em{font-style:normal;color:var(--blue-2);}
.hero-sub{
  max-width:560px;
  font-size:18px;
  color:var(--dim);
  margin-bottom:38px;
}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.btn-primary{
  background:var(--blue);color:var(--white);
  padding:15px 26px;border-radius:8px;
  font-weight:700;font-size:15px;
  display:inline-flex;align-items:center;gap:8px;
  transition:transform .15s ease, background .15s ease;
}
.btn-primary:hover{background:var(--blue-2);transform:translateY(-1px);}
.btn-ghost{
  border:1px solid rgba(245,247,251,0.22);
  padding:15px 22px;border-radius:8px;
  font-weight:600;font-size:15px;color:var(--white);
  display:inline-block;max-width:100%;text-align:center;line-height:1.35;
}
.btn-ghost:hover{border-color:var(--white);}

/* ---------- STATS STRIP (now lives inside the case study card) ---------- */
.hero-stats{
  display:flex;gap:36px;flex-wrap:wrap;
}
.hstat .num{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--success);}
.hstat .lab{font-size:12.5px;color:var(--dim);max-width:170px;}

/* ---------- ASCENDING BARS DIVIDER (signature element) ---------- */
.stepbars{width:100%;height:60px;display:flex;align-items:flex-end;gap:4px;padding:0 0;}
.stepbars span{flex:1;border-radius:2px 2px 0 0;}
.step-up span{background:linear-gradient(180deg, var(--blue-pale), var(--blue-faint));}
.step-down span{background:linear-gradient(180deg, var(--blue-pale), var(--blue-faint));}

.navy2-section{background:var(--navy-2);}

/* ---------- SECTION GENERIC ---------- */
section{padding:90px 0;}
.sec-head{max-width:640px;margin-bottom:56px;}
.sec-head h2{font-size:clamp(28px,4.2vw,42px);margin:14px 0 16px;}
.sec-head p{color:var(--dim);font-size:16.5px;}

/* ---------- PROBLEM CARDS ---------- */
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(245,247,251,0.1);border:1px solid rgba(245,247,251,0.1);}
.p-card{background:var(--navy-2);padding:32px 28px;}
.p-card .tag{font-family:var(--font-mono);font-size:11.5px;color:var(--blue-2);letter-spacing:0.08em;text-transform:uppercase;margin-bottom:14px;display:block;}
.p-card h3{font-size:21px;font-weight:700;margin-bottom:10px;color:var(--white);font-family:var(--font);}
.p-card p{color:var(--dim);font-size:14.5px;}

/* ---------- CASE STUDY ---------- */
.case{background:var(--panel);border:1px solid rgba(245,247,251,0.1);border-radius:10px;overflow:hidden;}
.case-stats{padding:28px 38px 26px;border-bottom:1px solid rgba(245,247,251,0.1);background:var(--panel-2);}
.case-top{padding:34px 38px 0;}
.case-badge{
  display:inline-block;background:var(--navy);color:var(--success);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:0.1em;
  padding:5px 10px;border-radius:5px;margin-bottom:18px;text-transform:uppercase;
}
.case h3{font-family:var(--font);font-size:28px;margin-bottom:10px;}
.case-sub{color:var(--dim);max-width:520px;font-size:15px;margin-bottom:30px;}
.mock-board{background:var(--navy-2);border-radius:8px;padding:20px 22px;margin:0 38px 0;}
.mock-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(245,247,251,0.08);font-size:14px;}
.mock-row:last-child{border-bottom:none;}
.mock-rank{font-family:var(--font-mono);color:var(--blue-2);width:28px;flex-shrink:0;}
.mock-alias{flex:1;font-weight:600;}
.mock-pts{font-family:var(--font-mono);color:var(--success);flex-shrink:0;}
.case-chips{display:flex;flex-wrap:wrap;gap:10px;padding:30px 38px 38px;}
.chip{background:var(--navy);border:1px solid rgba(245,247,251,0.14);padding:8px 14px;border-radius:20px;font-size:13px;color:var(--dim);}
.chip b{color:var(--white);}

/* ---------- DIFFERENTIATORS ---------- */
.diff-list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.diff-item{display:flex;gap:16px;align-items:flex-start;padding:22px 0;border-top:1px solid rgba(245,247,251,0.1);}
.diff-item .num{font-family:var(--font-mono);color:var(--blue-2);font-size:14px;min-width:28px;flex-shrink:0;}
.diff-item h4{font-size:17px;margin-bottom:6px;font-family:var(--font);font-weight:700;}
.diff-item p{font-size:14px;color:var(--dim);}

.anchor-box{
  margin-top:50px;
  background:linear-gradient(135deg, rgba(47,107,255,0.14), rgba(52,211,153,0.08));
  border:1px solid rgba(47,107,255,0.35);
  border-radius:10px;padding:28px 32px;
  display:flex;gap:28px;align-items:center;flex-wrap:wrap;
}
.anchor-box .big{font-family:var(--font-mono);font-size:32px;color:var(--blue-2);font-weight:700;flex-shrink:0;}
.anchor-box .txt{font-size:14.5px;color:var(--dim);max-width:480px;}

/* ---------- PRICING ---------- */
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:end;}
.tier{
  background:var(--panel);
  border:1px solid rgba(245,247,251,0.12);
  border-radius:10px;
  padding:26px 22px;
  display:flex;flex-direction:column;
  position:relative;
}
.tier.reco{border-color:var(--blue);transform:translateY(-14px);box-shadow:0 18px 40px rgba(0,0,0,0.35);}
.tier .reco-tag{position:absolute;top:-12px;left:22px;background:var(--blue);color:var(--white);font-size:11px;font-weight:700;padding:4px 10px;border-radius:5px;letter-spacing:0.05em;}
.tier .alt{font-family:var(--font-mono);font-size:11px;color:var(--dim);letter-spacing:0.1em;text-transform:uppercase;margin-bottom:6px;}
.tier .tname{font-family:var(--font);font-size:23px;margin-bottom:4px;}
.tier .trange{font-size:13px;color:var(--dim);margin-bottom:18px;}
.tier .price{font-family:var(--font-mono);font-size:30px;color:var(--white);font-weight:700;}
.tier .price span{font-size:13px;color:var(--dim);font-weight:400;}
.tier .annual{font-size:12px;color:var(--success);margin-bottom:8px;}
.tier .setup{font-size:12px;color:var(--dim);margin-bottom:18px;padding-bottom:14px;border-bottom:1px dashed rgba(245,247,251,0.15);}
.tier ul{list-style:none;font-size:13.5px;color:var(--dim);display:flex;flex-direction:column;gap:9px;margin-bottom:22px;flex:1;}
.tier ul li{padding-left:16px;position:relative;}
.tier ul li::before{content:"—";position:absolute;left:0;color:var(--blue-2);}
.tier-cta{display:block;text-align:center;padding:11px 0;border-radius:6px;font-weight:700;font-size:13.5px;border:1px solid rgba(245,247,251,0.25);}
.tier.reco .tier-cta{background:var(--blue);color:var(--white);border-color:var(--blue);}

.pricing-note{margin-top:30px;font-size:13.5px;color:var(--dim);max-width:680px;}

/* ---------- CTA FINAL ---------- */
.final{
  background:linear-gradient(180deg, var(--navy-2), var(--navy));
  text-align:center;padding:100px 0;
}
.final h2{font-size:clamp(32px,5.4vw,52px);max-width:760px;margin:0 auto 18px;}
.final p{color:var(--dim);max-width:480px;margin:0 auto 36px;font-size:16px;}

footer{padding:34px 0;border-top:1px solid rgba(245,247,251,0.08);}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
footer p{font-size:12.5px;color:var(--dim);}

/* ---------- RESPONSIVE ---------- */
@media(max-width:880px){
  .problem-grid{grid-template-columns:1fr;}
  .diff-list{grid-template-columns:1fr;}
  .tiers{grid-template-columns:1fr 1fr;}
  .tier.reco{transform:none;}
  .case-stats, .case-top, .mock-board, .case-live, .case-chips{padding-left:26px;padding-right:26px;}
  .mock-board{margin:0 26px;}
}
@media(max-width:560px){
  section{padding:64px 0;}
  .wrap{padding:0 18px;}
  .tiers{grid-template-columns:1fr;}
  .hero{padding:84px 0 56px;}
  .hero-ctas{margin-bottom:0;}
  nav .wrap{padding:0 16px;min-height:58px;}
  .logo-icon{height:20px;}
  .logo-word{font-size:17px;}
  .logo-word .es{font-size:11.5px;}
  .nav-cta{padding:9px 13px;font-size:12px;}
  .case-stats, .case-top, .mock-board, .case-live, .case-chips{padding-left:18px;padding-right:18px;}
  .case-stats{gap:18px;padding-top:22px;padding-bottom:20px;}
  .mock-board{margin:0 18px;}
}
@media(max-width:380px){
  .logo-word{font-size:15px;}
  .nav-cta{padding:8px 11px;font-size:11.5px;}
}

/* Logo de la cabecera y del pie */
.brand-logo{height:45px;}

/* Barras escalonadas entre secciones: ancho de .wrap con su padding de escritorio también en móvil */
.stepbars.wrap{padding:0 28px;}
.step-up span:nth-child(1), .step-down span:nth-child(7){height:14px;}
.step-up span:nth-child(2), .step-down span:nth-child(6){height:20px;}
.step-up span:nth-child(3), .step-down span:nth-child(5){height:26px;}
.step-up span:nth-child(4), .step-down span:nth-child(4){height:34px;}
.step-up span:nth-child(5), .step-down span:nth-child(3){height:42px;}
.step-up span:nth-child(6), .step-down span:nth-child(2){height:50px;}
.step-up span:nth-child(7), .step-down span:nth-child(1){height:58px;}

/* Subtítulo destacado de cabecera de sección */
.sec-head .subtitle.subtitle-lg{font-size:1.1rem;margin-top:15px;}

/* Nota bajo el CTA de una tarifa */
.tier-note{font-size:11.5px;color:var(--dim);text-align:center;margin-top:10px;}

/* Sección que sigue a otra del mismo fondo (Cómo funciona, Preguntas frecuentes) */
.sec-follow{padding-top:0;}
.sec-follow .sec-head{padding-top:56px;border-top:1px solid rgba(245,247,251,0.08);max-width:none;}
.sec-follow .sec-head > *{max-width:640px;}


/* Aviso de prueba gratuita sobre los tramos */
.trial-callout{
  margin:-28px 0 28px;padding:14px 18px;border-radius:10px;
  background:var(--blue-faint);border:1px solid rgba(91,140,255,0.35);
  color:var(--white);font-size:15px;
}
.trial-callout strong{color:var(--success);}

/* Lo incluido en todos los tramos */
.included-list{
  list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:8px 22px;
  margin:0 0 32px;padding:0;font-size:14px;color:var(--dim);
}
.included-list li::before{content:"✓ ";color:var(--success);font-weight:700;}
.pricing-note strong{color:var(--white);}

/* Enlaces al caso real (dendroct.es) */
.sec-head p a{color:var(--blue-pale);text-decoration:underline;text-underline-offset:3px;}
.sec-head p a:hover{color:var(--white);}
.case-live{padding:26px 38px 0;}