/* Bluedrone Formación — sistema visual azul aeronáutico */
:root{
  --brand:#047E9E; --brand-2:#22B3D6; --brand-3:#63D9F5;
  --navy-900:#060B14; --navy-850:#08101C; --navy-800:#0B1523; --navy-700:#101E31; --navy-600:#16293F;
  --line:rgba(140,190,220,.14); --line-2:rgba(140,190,220,.28);
  --text:#E4EDF6; --muted:#93A8BE; --muted-2:#6C819A;
  --amber:#FFB02E;
  --ok:#37D39A;
  --r:14px; --r-sm:8px;
  --wrap:1200px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI Variable Display","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --shadow:0 18px 50px -18px rgba(0,0,0,.75);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--navy-900);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none}
a:hover{color:#fff}
h1,h2,h3,h4{line-height:1.12;margin:0 0 .5em;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.1rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.15em;padding-left:1.15em}
li{margin:.3em 0}
.wrap{width:min(100% - 40px,var(--wrap));margin-inline:auto}
.wrap-n{width:min(100% - 40px,940px);margin-inline:auto}
section{padding:clamp(56px,7vw,104px) 0}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--brand-2);
  margin:0 0 .9em;display:flex;align-items:center;gap:.7em}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brand);display:inline-block}
.lead{font-size:1.12rem;color:var(--muted);max-width:70ch}
.center{text-align:center}
.center .eyebrow{justify-content:center}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:60;background:rgba(6,11,20,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:16px;min-height:74px;flex-wrap:nowrap}
.brand img{width:186px}
.brand{flex:none}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav>li{list-style:none;position:relative}
.nav a{display:block;padding:10px 11px;color:var(--text);font-size:.9rem;font-weight:600;border-radius:var(--r-sm);white-space:nowrap}
.nav a:hover{background:rgba(34,179,214,.12);color:#fff}
.nav ul{position:absolute;top:100%;left:0;min-width:266px;background:var(--navy-800);border:1px solid var(--line);
  border-radius:var(--r);padding:8px;margin:0;list-style:none;box-shadow:var(--shadow);opacity:0;visibility:hidden;
  transform:translateY(8px);transition:.16s}
.nav li:hover>ul,.nav li:focus-within>ul{opacity:1;visibility:visible;transform:none}
.nav ul a{font-weight:500;font-size:.9rem}
.hdr-cta{display:flex;align-items:center;gap:10px;flex:none}
@media(max-width:1240px){.hdr-cta .btn-2{display:none}.brand img{width:160px}}
.navtoggle{display:none;background:none;border:1px solid var(--line-2);color:var(--text);border-radius:10px;
  padding:9px 12px;font-size:1rem;cursor:pointer}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55em;padding:13px 22px;border-radius:999px;font-weight:700;
  font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap;line-height:1}
.btn-1{background:linear-gradient(135deg,var(--brand-2),var(--brand));color:#031018;
  box-shadow:0 10px 30px -12px rgba(34,179,214,.8)}
.btn-1:hover{color:#031018;transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(34,179,214,.95)}
.btn-2{border-color:var(--line-2);color:var(--text);background:rgba(255,255,255,.03)}
.btn-2:hover{border-color:var(--brand-2);color:#fff;background:rgba(34,179,214,.1)}
.btn-wa{background:#1FBF5B;color:#03130a}
.btn-wa:hover{color:#03130a;transform:translateY(-2px)}
.btn-sm{padding:10px 17px;font-size:.87rem}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,11,20,.96) 0%,rgba(6,11,20,.9) 42%,rgba(6,11,20,.55) 72%,rgba(4,126,158,.35) 100%)}
.hero-grid{position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:74px 74px;
  mask-image:radial-gradient(120% 80% at 20% 40%,#000 20%,transparent 75%)}
.hero-in{position:relative;z-index:2;padding:clamp(56px,7vw,104px) 0 clamp(40px,5vw,72px)}
.hero h1{max-width:20ch;margin-bottom:.35em;font-size:clamp(2rem,4.4vw,3.4rem)}
.hero h1 em{font-style:normal;color:var(--brand-3)}
.hero .lead{font-size:1.2rem;max-width:56ch;color:#C6D5E4}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 0}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{display:inline-flex;align-items:center;gap:.5em;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;padding:7px 13px;border:1px solid var(--line-2);border-radius:999px;color:#BBD2E4;
  background:rgba(9,20,34,.6)}
.chip b{color:var(--brand-3);font-weight:700}

/* trust bar */
.trust{border-top:1px solid var(--line);background:rgba(8,16,28,.75);position:relative;z-index:2}
.trust-in{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.trust-i{background:var(--navy-850);padding:22px 20px}
.trust-i b{display:block;font-size:1.55rem;font-weight:800;color:#fff;letter-spacing:-.02em}
.trust-i span{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2)}

/* ---------- cards ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(170deg,var(--navy-800),var(--navy-850));border:1px solid var(--line);
  border-radius:var(--r);padding:26px;position:relative;transition:.2s}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);font-size:.97rem;margin-bottom:.8em}
.card .more{font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-2)}
.card-link{display:block;color:inherit}
.card-link:hover{color:inherit}

/* course card */
.course{display:flex;flex-direction:column;background:linear-gradient(170deg,var(--navy-800),var(--navy-850));
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.2s;position:relative}
.course::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand-3));
  opacity:.85}
.course:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow)}
.course-b{padding:26px 26px 0;flex:1}
.course-tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brand-2);
  display:block;margin-bottom:10px}
.course h3{font-size:1.28rem}
.course p{color:var(--muted);font-size:.96rem}
.specs{list-style:none;padding:0;margin:16px 0 0;border-top:1px solid var(--line)}
.specs li{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid var(--line);
  font-size:.88rem;margin:0}
.specs li span:first-child{color:var(--muted-2);font-family:var(--mono);font-size:.72rem;letter-spacing:.13em;
  text-transform:uppercase}
.specs li span:last-child{font-weight:600;text-align:right}
.course-f{padding:20px 26px 26px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.price{font-size:1.75rem;font-weight:800;letter-spacing:-.03em;color:#fff}
.price small{font-size:.72rem;font-weight:600;color:var(--muted-2);display:block;font-family:var(--mono);
  letter-spacing:.14em;text-transform:uppercase}

/* feature list */
.ticks{list-style:none;padding:0}
.ticks li{position:relative;padding-left:30px;margin:.55em 0;color:var(--muted)}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:14px;height:8px;border-left:2px solid var(--brand-2);
  border-bottom:2px solid var(--brand-2);transform:rotate(-45deg)}
.ticks strong{color:var(--text)}

/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
.split img,.frame img{border-radius:var(--r)}
.frame{position:relative}
.frame::after{content:"";position:absolute;inset:-10px -10px auto auto;width:70px;height:70px;
  border-top:2px solid var(--brand);border-right:2px solid var(--brand);border-radius:0 var(--r) 0 0;opacity:.7}
.frame::before{content:"";position:absolute;inset:auto auto -10px -10px;width:70px;height:70px;
  border-bottom:2px solid var(--brand);border-left:2px solid var(--brand);border-radius:0 0 0 var(--r);opacity:.7}

/* alt background */
.alt{background:linear-gradient(180deg,var(--navy-850),var(--navy-900));border-block:1px solid var(--line)}
.deep{background:radial-gradient(90% 130% at 80% 0%,rgba(4,126,158,.22),transparent 60%),var(--navy-850);
  border-block:1px solid var(--line)}

/* cobertura */
.ccaa{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--navy-850)}
.ccaa+.ccaa{margin-top:12px}
.ccaa summary{cursor:pointer;padding:15px 20px;font-weight:700;display:flex;align-items:center;gap:12px;
  list-style:none;font-size:1rem}
.ccaa summary::-webkit-details-marker{display:none}
.ccaa summary::after{content:"+";margin-left:auto;color:var(--brand-2);font-size:1.3rem;line-height:1}
.ccaa[open] summary::after{content:"–"}
.ccaa summary:hover{background:rgba(34,179,214,.07)}
.ccaa-b{padding:4px 20px 20px;display:flex;flex-wrap:wrap;gap:8px}
.plink{display:inline-block;padding:7px 14px;border:1px solid var(--line);border-radius:999px;font-size:.86rem;
  color:var(--muted);background:rgba(255,255,255,.02)}
.plink:hover{border-color:var(--brand-2);color:#fff;background:rgba(34,179,214,.12)}
.plink.sede{border-color:rgba(34,179,214,.5);color:#CFE9F4}
.plink.sede::before{content:"◉ ";color:var(--brand-2)}

/* cobertura grid */
.cov{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
.cov-c{border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(170deg,var(--navy-800),var(--navy-850));padding:20px 22px}
.cov-c h3{font-size:1.02rem;letter-spacing:-.01em;color:var(--brand-3);margin-bottom:.75em}
.cov-c ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.cov-c a{display:inline-block;padding:5px 11px;border:1px solid var(--line);border-radius:999px;font-size:.83rem;color:var(--muted);background:rgba(255,255,255,.02)}
.cov-c a:hover{border-color:var(--brand-2);color:#fff;background:rgba(34,179,214,.12)}
.cov-c a.sede{border-color:rgba(34,179,214,.55);color:#CFE9F4}
.cov-c a.sede::before{content:"\25C9 ";color:var(--brand-2)}
@media(max-width:900px){.cov{grid-template-columns:1fr}}
@media(min-width:901px) and (max-width:1150px){.cov{grid-template-columns:repeat(2,1fr)}}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:19px 40px 19px 0;font-weight:700;position:relative;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:17px;color:var(--brand-2);font-size:1.35rem}
.faq details[open] summary::after{content:"–"}
.faq .faq-b{padding:0 0 20px;color:var(--muted);max-width:80ch}

/* tabla */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.93rem}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-2);
  background:rgba(4,126,158,.09)}
tbody tr:hover{background:rgba(255,255,255,.02)}

/* callout */
.note{border:1px solid var(--line-2);border-left:3px solid var(--brand-2);border-radius:var(--r-sm);
  padding:18px 22px;background:rgba(4,126,158,.09);color:#C8DCEA;font-size:.96rem}
.note strong{color:#fff}

/* breadcrumb */
.bc{font-size:.8rem;color:var(--muted-2);padding:16px 0 0}
.bc a{color:var(--muted)}
.bc span{margin:0 .45em}

/* page head */
.phead{padding:clamp(38px,5vw,64px) 0 clamp(30px,4vw,48px);
  background:radial-gradient(80% 120% at 12% 0%,rgba(4,126,158,.26),transparent 62%);
  border-bottom:1px solid var(--line)}
.phead h1{margin-bottom:.3em}
.phead .lead{font-size:1.1rem}

/* prose */
.prose h2{margin-top:1.8em}
.prose h3{margin-top:1.5em;color:#CFE3F0}
.prose>p,.prose>ul,.prose>ol{color:var(--muted)}
.prose strong{color:var(--text)}

/* press */
.press{display:flex;flex-wrap:wrap;gap:10px}
.press span{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;padding:9px 15px;
  border:1px solid var(--line);border-radius:8px;color:var(--muted)}

/* cta band */
.band{background:linear-gradient(120deg,rgba(4,126,158,.3),rgba(6,11,20,.2)),var(--navy-800);
  border:1px solid var(--line-2);border-radius:20px;padding:clamp(30px,4vw,52px);text-align:center}
.band h2{margin-bottom:.35em}
.band p{color:#C6D5E4;max-width:62ch;margin-inline:auto}
.band .hero-actions{justify-content:center}

/* form */
form.f{display:grid;gap:14px}
.f label{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);
  display:block;margin-bottom:6px}
.f input,.f select,.f textarea{width:100%;padding:12px 14px;background:var(--navy-800);border:1px solid var(--line);
  border-radius:var(--r-sm);color:var(--text);font:inherit;font-size:.95rem}
.f input:focus,.f select,.f textarea:focus{outline:2px solid rgba(34,179,214,.5);border-color:var(--brand-2)}
.f .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f .cons{font-size:.8rem;color:var(--muted-2)}

/* trampas antispam: fuera de pantalla, nunca display:none */
.hp{position:absolute!important;left:-9999px!important;top:auto;width:1px;height:1px;overflow:hidden;opacity:0}

/* footer */
.ftr{background:var(--navy-850);border-top:1px solid var(--line);padding:clamp(46px,5vw,70px) 0 0;font-size:.92rem}
.ftr-g{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.ftr h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brand-2);
  margin-bottom:1.1em}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr li{margin:.42em 0}
.ftr a{color:var(--muted)}
.ftr a:hover{color:#fff}
.ftr .brand img{width:180px;margin-bottom:16px}
.ftr p{color:var(--muted);font-size:.9rem}
.ftr-bot{margin-top:38px;border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:14px;
  justify-content:space-between;color:var(--muted-2);font-size:.83rem}
.ftr-bot a{color:var(--muted-2)}

.navmob{display:none}

/* sticky mobile cta */
.mcta{display:none}

@media(max-width:1080px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .ftr-g{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .nav{position:fixed;inset:74px 0 auto;background:var(--navy-850);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:10px;gap:2px;display:none;max-height:calc(100vh - 74px);overflow:auto}
  .nav.open{display:flex}
  .nav ul{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;
    border:0;border-left:1px solid var(--line);margin-left:14px;border-radius:0;padding:0 0 0 6px;display:none}
  .nav>li>a{position:relative}
  .nav>li:has(ul)>a::after{content:"+";position:absolute;right:14px;color:var(--brand-2);font-size:1.2rem}
  .navtoggle{display:block;margin-left:auto;order:3}
  .navmob{display:block}
  .hdr-cta{display:none}
  .hero-bg img{object-position:72% center}
  .hero .lead{font-size:1.03rem}
  .chip{font-size:.63rem;padding:6px 11px;letter-spacing:.1em}
  .hero-badges{gap:8px;margin-bottom:20px}
  .hero-actions .btn{flex:1;justify-content:center}
  .phead h1{font-size:clamp(1.75rem,7vw,2.4rem)}
  .g3,.g2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .trust-in{grid-template-columns:repeat(2,1fr)}
  .mcta{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:70;gap:1px;background:var(--line);
    border-top:1px solid var(--line)}
  .mcta a{flex:1;text-align:center;padding:14px 6px;background:var(--navy-800);font-weight:700;font-size:.88rem;color:#fff}
  .mcta a.p{background:linear-gradient(135deg,var(--brand-2),var(--brand));color:#031018}
  body{padding-bottom:52px}
}
@media(max-width:560px){
  body{font-size:16px}
  .g4{grid-template-columns:1fr}
  .f .row{grid-template-columns:1fr}
  .course-f{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* ============ ANIMACIONES ============ */
@media (prefers-reduced-motion: no-preference){
  .rv{opacity:0;transform:translateY(20px);
      transition:opacity .75s cubic-bezier(.2,.7,.3,1),transform .75s cubic-bezier(.2,.7,.3,1)}
  .rv.in{opacity:1;transform:none}
  .rv-1{transition-delay:.07s}.rv-2{transition-delay:.14s}.rv-3{transition-delay:.21s}
  .rv-4{transition-delay:.28s}.rv-5{transition-delay:.35s}.rv-6{transition-delay:.42s}
  .hero-badges,.hero h1,.hero .lead,.hero-actions{animation:up .85s cubic-bezier(.2,.7,.3,1) both}
  .hero h1{animation-delay:.06s}.hero .lead{animation-delay:.14s}.hero-actions{animation-delay:.22s}
  .hero-bg img{animation:zoomin 14s ease-out both}
  .trust-i{animation:up .7s cubic-bezier(.2,.7,.3,1) both}
  .trust-i:nth-child(2){animation-delay:.08s}.trust-i:nth-child(3){animation-delay:.16s}
  .trust-i:nth-child(4){animation-delay:.24s}
}
@keyframes up{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes zoomin{from{transform:scale(1.08)}to{transform:scale(1)}}
@keyframes pulse-ring{0%{box-shadow:0 0 0 0 rgba(34,179,214,.55)}70%{box-shadow:0 0 0 16px rgba(34,179,214,0)}100%{box-shadow:0 0 0 0 rgba(34,179,214,0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* botón destacado de la app */
.btn-app{background:linear-gradient(135deg,#22B3D6,#047E9E 60%,#0A5E78);color:#02121a;font-weight:800;
  padding:15px 26px;position:relative}
.btn-app:hover{color:#02121a}
@media (prefers-reduced-motion: no-preference){.btn-app{animation:pulse-ring 2.8s infinite}}
.btn-app .dot{width:8px;height:8px;border-radius:50%;background:#02121a;display:inline-block;opacity:.75}

/* ============ LOGOS COLABORADORES ============ */
.marq{overflow:hidden;position:relative;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.marq-t{display:flex;align-items:center;gap:64px;width:max-content;padding:6px 0}
@media (prefers-reduced-motion: no-preference){.marq-t{animation:marq 46s linear infinite}
  .marq:hover .marq-t{animation-play-state:paused}}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marq img{height:48px;width:auto;opacity:.55;transition:opacity .25s ease;flex:none}
.marq img:hover{opacity:1}
@media(max-width:700px){.marq img{height:38px}.marq-t{gap:42px}}

/* ============ APP / CONFIGURADOR ============ */
.app{max-width:960px;margin-inline:auto}
.app-bar{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.app-bar .track{flex:1;height:5px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}
.app-bar .fill{height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand-3));
  transition:width .45s cubic-bezier(.2,.7,.3,1)}
.app-bar .lbl{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2);white-space:nowrap}
.step{display:none}
.step.on{display:block;animation:stepin .45s cubic-bezier(.2,.7,.3,1) both}
@keyframes stepin{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.step h2{margin-bottom:.25em}
.step .hint{color:var(--muted);margin-bottom:24px}
.opts{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.opts.one{grid-template-columns:1fr}
.opt{display:flex;gap:14px;align-items:flex-start;text-align:left;padding:18px 20px;border-radius:var(--r);
  border:1px solid var(--line);background:linear-gradient(170deg,var(--navy-800),var(--navy-850));cursor:pointer;
  color:var(--text);font:inherit;transition:.18s;position:relative}
.opt:hover{border-color:var(--line-2);transform:translateY(-2px)}
.opt.sel{border-color:var(--brand-2);background:linear-gradient(170deg,rgba(4,126,158,.28),var(--navy-850));
  box-shadow:0 0 0 1px rgba(34,179,214,.4)}
.opt .bx{width:22px;height:22px;border-radius:6px;border:1.5px solid var(--line-2);flex:none;margin-top:2px;
  display:grid;place-items:center;transition:.18s}
.opt.rad .bx{border-radius:50%}
.opt.sel .bx{background:var(--brand-2);border-color:var(--brand-2)}
.opt.sel .bx::after{content:"";width:9px;height:5px;border-left:2px solid #04141d;border-bottom:2px solid #04141d;
  transform:rotate(-45deg) translate(1px,-1px)}
.opt b{display:block;font-size:1rem;margin-bottom:2px}
.opt span{color:var(--muted);font-size:.88rem;line-height:1.45}
.app-nav{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.app-nav .btn{min-width:130px;justify-content:center}
.res-head{border:1px solid var(--line-2);border-radius:20px;padding:28px;background:
  linear-gradient(140deg,rgba(4,126,158,.3),rgba(6,11,20,.1)),var(--navy-800);margin-bottom:24px}
.res-head .tot{font-size:2.6rem;font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1}
.res-item{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}
.res-item .n{width:30px;height:30px;border-radius:50%;background:rgba(34,179,214,.16);color:var(--brand-3);
  display:grid;place-items:center;font-weight:800;font-size:.85rem;flex:none;border:1px solid rgba(34,179,214,.35)}
.res-item h4{margin:0 0 4px;font-size:1.05rem}
.res-item p{margin:0;color:var(--muted);font-size:.92rem}
.res-item .pz{margin-left:auto;font-weight:800;white-space:nowrap;font-size:1.05rem}
.tag-why{display:inline-block;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);margin-top:8px}
@media(max-width:700px){.opts{grid-template-columns:1fr}.app-nav .btn{flex:1}}