/* =====================================================================
   BS Group Academy — Sistema de diseño PREMIUM
   Identidad: #3CA4CD · navy #0e1c3d · acentos por área
   ===================================================================== */

:root{
  /* Marca */
  --brand:#3CA4CD; --brand-400:#5db8da; --brand-600:#2f8fb6; --brand-700:#26748f; --brand-800:#1d5a70;
  --brand-050:#eef8fc; --brand-100:#d6eef8; --brand-200:#b6e0f1;
  --navy:#0e1c3d; --navy-2:#13254e; --navy-700:#1d3160; --navy-600:#26407a; --navy-050:#eef2f9;
  --ink:#16223c; --ink-soft:#46526b; --muted:#6c7a92; --faint:#9aa6ba;
  --line:#e7edf5; --line-2:#f0f4f9; --bg:#f6f9fd; --bg-soft:#eef3fa; --white:#fff;
  --c-purple:#6B4E9E; --c-green:#34a07c; --c-orange:#e8893b; --c-teal:#2E9E8F;
  --c-cyan:#2C8FB8; --c-steel:#4A6FA5; --c-red:#d9534f; --c-gold:#caa83f;
  /* Sombras tintadas (premium, profundidad) */
  --shc:14 32 74;
  --sh-sm:0 1px 2px rgba(var(--shc)/.05),0 2px 6px rgba(var(--shc)/.05);
  --sh:0 6px 22px -6px rgba(var(--shc)/.12),0 2px 8px rgba(var(--shc)/.05);
  --sh-md:0 18px 44px -16px rgba(var(--shc)/.20),0 6px 14px rgba(var(--shc)/.06);
  --sh-lg:0 40px 80px -28px rgba(var(--shc)/.32),0 10px 24px rgba(var(--shc)/.10);
  --sh-brand:0 22px 48px -18px rgba(60,164,205,.55);
  /* Gradientes */
  --grad-brand:linear-gradient(135deg,#46b0d6,#2f8fb6);
  --grad-text:linear-gradient(100deg,#8bd6ef,#3CA4CD 60%,#bfe9f8);
  --grad-cta:radial-gradient(900px 420px at 85% -10%,rgba(60,164,205,.55),transparent 60%),linear-gradient(135deg,#0e1c3d,#1d3a6e);
  --r-sm:10px; --r:16px; --r-lg:22px; --r-xl:30px; --r-2xl:38px; --r-full:999px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-display:'Plus Jakarta Sans','Inter',sans-serif;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1); --ease-out:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font); color:var(--ink); font-size:16px; line-height:1.65;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; overflow-x:hidden;
  background:
    radial-gradient(1200px 600px at 100% -5%,rgba(60,164,205,.06),transparent 60%),
    radial-gradient(1000px 500px at -10% 8%,rgba(38,64,122,.05),transparent 55%),
    var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .15s}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4,h5{font-family:var(--font-display);color:var(--navy);line-height:1.12;font-weight:800;letter-spacing:-.025em}
h1{font-size:clamp(2.2rem,5.2vw,4rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.8rem)}
h3{font-size:1.32rem;font-weight:700}
p{color:var(--ink-soft)}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--brand-200);color:var(--navy)}
:focus-visible{outline:3px solid var(--brand-200);outline-offset:3px;border-radius:8px}

/* ---------- Animaciones (scroll reveal) ---------- */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out);will-change:opacity,transform}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.r-left{transform:translateX(-32px)}
.js .reveal.r-right{transform:translateX(32px)}
.js .reveal.r-scale{transform:scale(.94)}
.js .reveal.in.r-left,.js .reveal.in.r-right,.js .reveal.in.r-scale{transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1!important;transform:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes floaty2{0%,100%{transform:translateY(0)}50%{transform:translateY(10px)}}
@keyframes auroraMove{0%{transform:translate(0,0) scale(1)}50%{transform:translate(4%,3%) scale(1.08)}100%{transform:translate(0,0) scale(1)}}
@keyframes shine{from{transform:translateX(-120%) skewX(-18deg)}to{transform:translateX(220%) skewX(-18deg)}}
@keyframes pulseRing{0%{box-shadow:0 0 0 0 rgba(60,164,205,.45)}70%{box-shadow:0 0 0 14px rgba(60,164,205,0)}100%{box-shadow:0 0 0 0 rgba(60,164,205,0)}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Layout ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.container-sm{max-width:780px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-sm{padding:60px 0}
.bg-soft{background:linear-gradient(180deg,#fff, var(--bg-soft) 30%, var(--bg-soft) 70%,#fff)}
.bg-white{background:var(--white)}
.bg-navy{position:relative;background:
  radial-gradient(900px 500px at 12% -10%,rgba(60,164,205,.22),transparent 55%),
  radial-gradient(800px 500px at 100% 110%,rgba(60,164,205,.12),transparent 55%),
  linear-gradient(160deg,#0c1830,#13274f);color:#cfdcef;overflow:hidden}
.bg-navy h2,.bg-navy h3{color:#fff}
.text-center{text-align:center}
.muted{color:var(--muted)}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-display);
  font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-700);
  background:var(--brand-050);border:1px solid var(--brand-100);padding:7px 15px;border-radius:var(--r-full)}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(60,164,205,.18)}
.eyebrow.center{justify-content:center}
.section-head{max-width:760px;margin:0 auto 56px}
.section-head.center{text-align:center}
.section-head h2{margin:18px 0 16px}
.section-head p{font-size:1.12rem;color:var(--ink-soft)}
.lead{font-size:1.18rem;color:var(--ink-soft);line-height:1.7}

.grid{display:grid;gap:26px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-display);font-weight:700;font-size:.97rem;line-height:1;
  padding:15px 28px;border-radius:var(--r-full);border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .25s,background .2s,color .2s,border-color .2s;
  white-space:nowrap;overflow:hidden;isolation:isolate}
.btn:active{transform:translateY(1px) scale(.99)}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-brand)}
.btn-primary::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.5) 50%,transparent 70%);transform:translateX(-120%) skewX(-18deg)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 28px 56px -18px rgba(60,164,205,.7)}
.btn-primary:hover::after{animation:shine .9s var(--ease)}
.btn-navy{background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#fff;box-shadow:var(--sh-md)}
.btn-navy:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-lg)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-700);background:var(--brand-050);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.32);backdrop-filter:blur(8px)}
.btn-light:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--navy);box-shadow:var(--sh-md)}
.btn-white:hover{background:#fff;color:var(--navy);transform:translateY(-2px);box-shadow:var(--sh-lg)}
.btn-sm{padding:10px 17px;font-size:.85rem}
.btn-lg{padding:18px 36px;font-size:1.05rem}
.btn-block{width:100%}
.btn-danger{background:#fff;color:var(--c-red);border-color:#f0c9c8}
.btn-danger:hover{background:#fdeceb}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid transparent;transition:.3s}
.site-header.scrolled{background:rgba(255,255,255,.86);border-bottom-color:var(--line);box-shadow:0 10px 30px -18px rgba(var(--shc)/.3)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:42px;width:auto;transition:transform .3s var(--ease)}
.brand:hover img{transform:rotate(-6deg) scale(1.05)}
.brand .brand-txt{display:flex;flex-direction:column;line-height:1}
.brand .brand-txt b{font-family:var(--font-display);color:var(--navy);font-size:1.05rem;letter-spacing:-.02em;font-weight:800}
.brand .brand-txt span{font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;color:var(--brand-700);font-weight:700;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-weight:600;color:var(--ink-soft);font-size:.96rem;position:relative;padding:6px 0}
.nav-links a:hover{color:var(--navy)}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--brand);border-radius:2px;transition:right .3s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-links a.active{color:var(--navy)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:none;padding:8px;color:var(--navy)}
.nav-toggle svg{width:26px;height:26px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#eaf2fb;padding:120px 0 130px;isolation:isolate;
  background:linear-gradient(165deg,#0b1730 0%,#102245 45%,#15396080 100%),#0b1730}
.hero .orb{position:absolute;border-radius:50%;filter:blur(60px);z-index:-1;opacity:.7;animation:auroraMove 16s ease-in-out infinite}
.hero .orb.o1{width:520px;height:520px;background:radial-gradient(circle,#3CA4CD,transparent 65%);top:-160px;right:-80px}
.hero .orb.o2{width:480px;height:480px;background:radial-gradient(circle,#2f6bbf,transparent 65%);bottom:-200px;left:-120px;animation-delay:-6s}
.hero .orb.o3{width:340px;height:340px;background:radial-gradient(circle,#5db8da,transparent 65%);top:30%;left:40%;opacity:.4;animation-delay:-3s}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:30px 30px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 40%,transparent 75%);mask-image:radial-gradient(120% 90% at 50% 0%,#000 40%,transparent 75%)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.hero h1{color:#fff;margin:22px 0 22px;letter-spacing:-.03em}
.hero p{color:#bfd2ec;font-size:1.2rem;max-width:560px}
.hero .pill{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);padding:8px 17px;border-radius:var(--r-full);
  font-size:.82rem;font-weight:600;letter-spacing:.02em;color:#dcebff;backdrop-filter:blur(8px)}
.hero .pill svg{width:16px;height:16px;color:#7fd0ec}
.hero-cta{display:flex;gap:15px;flex-wrap:wrap;margin-top:36px}
.hero-stats{display:flex;gap:40px;margin-top:50px;flex-wrap:wrap}
.hero-stats .num{font-family:var(--font-display);font-size:2.1rem;font-weight:800;color:#fff;line-height:1}
.hero-stats .lbl{font-size:.84rem;color:#9fb4d4;margin-top:6px}
.hero-card{position:relative;background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-2xl);padding:32px;
  backdrop-filter:blur(14px);box-shadow:var(--sh-lg);animation:floaty 7s ease-in-out infinite}
.hero-card .hc-logo{height:50px;margin-bottom:20px}
.hero-card ul{display:flex;flex-direction:column;gap:15px;margin-top:10px}
.hero-card li{display:flex;gap:13px;align-items:flex-start;color:#dbe7f6;font-size:.97rem}
.hero-card li .ic{flex:0 0 auto;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(127,208,236,.3),rgba(127,208,236,.12));color:#9fdcf3}
.hero-card li .ic svg{width:17px;height:17px}
.hero-badge{position:absolute;background:#fff;color:var(--navy);border-radius:16px;padding:12px 16px;
  box-shadow:var(--sh-lg);display:flex;align-items:center;gap:11px;font-weight:700;font-size:.85rem}
.hero-badge .bi{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:#fff}
.hero-badge .bi svg{width:20px;height:20px}
.hero-badge small{display:block;font-weight:500;color:var(--muted);font-size:.72rem}
.hero-badge.b1{top:-22px;right:24px;animation:floaty2 6s ease-in-out infinite}
.hero-badge.b2{bottom:-24px;left:-24px;animation:floaty 8s ease-in-out infinite}
.scroll-cue{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:2;color:#9fb4d4;
  display:flex;flex-direction:column;align-items:center;gap:6px;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}
.scroll-cue span{width:24px;height:38px;border:2px solid rgba(255,255,255,.3);border-radius:14px;position:relative}
.scroll-cue span::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:7px;border-radius:3px;background:#7fd0ec;transform:translateX(-50%);animation:floaty 1.6s ease-in-out infinite}
.wave{display:block;width:100%;height:auto;position:relative;z-index:1;margin-top:-1px}

/* mini dashboard mockup */
.mini-dash{margin-top:18px;background:rgba(8,18,38,.5);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:16px}
.mini-dash .md-row{display:flex;align-items:center;justify-content:space-between;font-size:.8rem;color:#cfdcef;margin-bottom:8px}
.mini-dash .md-bar{height:8px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;margin-bottom:14px}
.mini-dash .md-bar i{display:block;height:100%;background:linear-gradient(90deg,#5db8da,#3CA4CD);border-radius:inherit;transition:width 1.4s var(--ease-out)}

/* ---------- Trust / marquee ---------- */
.trust{padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust .lbl{text-align:center;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:700;margin-bottom:20px}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:64px;width:max-content;animation:marquee 28s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee .item{display:flex;align-items:center;gap:10px;color:var(--muted);font-family:var(--font-display);font-weight:700;font-size:1.05rem;opacity:.7}
.marquee .item svg{width:22px;height:22px;color:var(--brand)}

/* ---------- Pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pillar{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;overflow:hidden}
.pillar::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--pc,var(--brand));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.pillar::after{content:"";position:absolute;width:160px;height:160px;border-radius:50%;right:-60px;top:-60px;
  background:radial-gradient(circle,var(--pc,var(--brand)),transparent 70%);opacity:0;transition:opacity .4s}
.pillar:hover{transform:translateY(-8px);box-shadow:var(--sh-md);border-color:transparent}
.pillar:hover::before{transform:scaleX(1)}
.pillar:hover::after{opacity:.08}
.pillar .pic{position:relative;width:58px;height:58px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--brand-050);background:color-mix(in srgb,var(--pc,var(--brand)) 12%,#fff);color:var(--pc,var(--brand));
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--pc,var(--brand)) 18%,transparent)}
.pillar .pic svg{width:27px;height:27px}
.pillar h3{font-size:1.14rem;margin-bottom:10px}
.pillar p{font-size:.95rem}

/* ---------- Services ---------- */
.service{position:relative;display:flex;gap:18px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  transition:box-shadow .3s,transform .3s var(--ease),border-color .3s}
.service:hover{box-shadow:var(--sh-md);transform:translateY(-5px);border-color:transparent}
.service .sic{flex:0 0 auto;width:54px;height:54px;border-radius:15px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;box-shadow:var(--sh-brand)}
.service .sic svg{width:25px;height:25px}
.service h3{font-size:1.1rem;margin-bottom:7px}
.service p{font-size:.93rem}

/* ---------- Process / steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;transition:transform .3s var(--ease),box-shadow .3s}
.step:hover{transform:translateY(-5px);box-shadow:var(--sh-md)}
.step .nstep{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-family:var(--font-display);
  font-weight:800;font-size:1.2rem;color:#fff;background:linear-gradient(135deg,var(--navy-2),var(--navy));margin-bottom:18px}
.step h3{font-size:1.12rem;margin-bottom:8px}
.step p{font-size:.93rem}

/* ---------- Course cards ---------- */
.course-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .35s,border-color .3s}
.course-card:hover{transform:translateY(-8px);box-shadow:var(--sh-lg);border-color:transparent}
.course-thumb{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy),var(--brand-600));
  display:grid;place-items:center;overflow:hidden}
.course-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.course-card:hover .course-thumb img{transform:scale(1.07)}
.course-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(8,18,38,.25))}
.course-thumb .ct-mark{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:6px}
.course-thumb .ct-mark img{width:56px;height:56px;opacity:.92;filter:drop-shadow(0 6px 14px rgba(0,0,0,.3))}
.course-area-tag{position:absolute;z-index:2;top:13px;left:13px;font-size:.71rem;font-weight:700;letter-spacing:.02em;
  color:#fff;padding:6px 12px;border-radius:var(--r-full);background:var(--at,var(--brand));box-shadow:0 6px 16px -4px rgba(0,0,0,.4)}
.course-body{padding:22px;display:flex;flex-direction:column;flex:1;gap:11px}
.course-body h3{font-size:1.1rem;line-height:1.32;font-weight:700}
.course-body h3 a{color:var(--navy)}
.course-body h3 a:hover{color:var(--brand-700)}
.course-body .cdesc{font-size:.92rem;color:var(--muted);flex:1}
.course-meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.84rem;font-weight:600;
  padding-top:14px;border-top:1px solid var(--line-2);margin-top:4px}
.course-meta span{display:inline-flex;align-items:center;gap:6px}
.course-meta svg{width:15px;height:15px;color:var(--brand)}
.course-foot{display:flex;align-items:center;justify-content:space-between;padding:0 22px 22px;gap:10px}
.price{font-family:var(--font-display);font-weight:800;color:var(--navy);font-size:1.18rem}
.price small{font-weight:500;color:var(--muted);font-size:.72rem;display:block;letter-spacing:.02em}

/* ---------- Filters ---------- */
.catalog-top{display:flex;gap:16px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin-bottom:26px}
.search-box{position:relative;flex:1;min-width:240px;max-width:440px}
.search-box svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted)}
.search-box input{width:100%;padding:14px 16px 14px 44px;border:1px solid var(--line);border-radius:var(--r-full);
  background:#fff;font-size:.95rem;color:var(--ink);box-shadow:var(--sh-sm)}
.search-box input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 4px var(--brand-100)}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 17px;border-radius:var(--r-full);
  background:#fff;border:1px solid var(--line);font-size:.88rem;font-weight:600;color:var(--ink-soft);transition:.2s var(--ease);box-shadow:var(--sh-sm)}
.chip:hover{border-color:var(--brand);color:var(--brand-700);transform:translateY(-2px)}
.chip.active{background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#fff;border-color:transparent;box-shadow:var(--sh-md)}
.chip .dot{width:9px;height:9px;border-radius:50%;background:var(--cc,var(--brand))}

/* ---------- Testimonials ---------- */
.testi{position:relative;background:linear-gradient(160deg,#fff,#f7fbfe);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-sm);transition:transform .3s var(--ease),box-shadow .3s}
.testi:hover{transform:translateY(-5px);box-shadow:var(--sh-md)}
.testi .quote{font-size:2.6rem;line-height:1;font-family:var(--font-display);color:var(--brand-200);margin-bottom:6px}
.testi p{color:var(--ink);font-size:1rem;line-height:1.7}
.testi .who{display:flex;align-items:center;gap:13px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line-2)}
.testi .who .av{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-family:var(--font-display);background:linear-gradient(135deg,var(--brand),var(--navy))}
.testi .who b{display:block;color:var(--navy);font-size:.95rem}
.testi .who span{font-size:.82rem;color:var(--muted)}
.stars{display:flex;gap:3px;color:var(--c-gold);margin-bottom:14px}
.stars svg{width:17px;height:17px;fill:currentColor}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .3s,border-color .3s}
.faq-item.open{box-shadow:var(--sh);border-color:var(--brand-100)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:21px 24px;
  background:none;border:none;text-align:left;font-family:var(--font-display);font-weight:700;color:var(--navy);font-size:1.04rem}
.faq-q .ic{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--brand-050);color:var(--brand-700);display:grid;place-items:center;transition:transform .3s var(--ease)}
.faq-item.open .faq-q .ic{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-q .ic svg{width:18px;height:18px}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a .inner{padding:0 24px 22px;color:var(--ink-soft);line-height:1.7}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;border-radius:var(--r-2xl);padding:64px 54px;color:#fff;background:var(--grad-cta);box-shadow:var(--sh-lg)}
.cta::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:26px 26px}
.cta h2{color:#fff;margin-bottom:14px}
.cta p{color:#cfdcef;max-width:580px;font-size:1.1rem}
.cta-row{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{position:relative;background:radial-gradient(800px 400px at 90% -10%,rgba(60,164,205,.14),transparent 60%),linear-gradient(180deg,#0c1830,#0a1428);color:#b6c4dc;padding:74px 0 30px;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:44px}
.site-footer h4{color:#fff;font-size:.88rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:20px;font-family:var(--font-display)}
.site-footer a{color:#a9b8d2;display:block;padding:6px 0;font-size:.95rem;transition:color .15s,transform .15s}
.site-footer a:hover{color:#fff;transform:translateX(3px)}
.footer-brand img{height:48px;margin-bottom:18px}
.footer-brand p{color:#90a2c0;font-size:.94rem;max-width:320px;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding-top:26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#7f91b2}
.foot-contact li{display:flex;gap:11px;align-items:flex-start;padding:6px 0;font-size:.93rem;color:#a9b8d2}
.foot-contact svg{width:17px;height:17px;color:var(--brand);flex:0 0 auto;margin-top:3px}

/* ---------- Flash / alerts ---------- */
.flash{padding:15px 19px;border-radius:var(--r);font-size:.94rem;margin-bottom:18px;display:flex;gap:11px;align-items:center;border:1px solid;box-shadow:var(--sh-sm)}
.flash svg{width:19px;height:19px;flex:0 0 auto}
.flash-success{background:#eafaf3;border-color:#bfe9d6;color:#1c7a52}
.flash-error{background:#fdeeed;border-color:#f4cecb;color:#b23b35}
.flash-info{background:var(--brand-050);border-color:var(--brand-100);color:var(--brand-800)}

/* ---------- Forms ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.9rem;color:var(--navy);margin-bottom:8px}
.field .hint{font-size:.82rem;color:var(--muted);margin-top:6px}
.input,select.input,textarea.input,input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],select,textarea{
  width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  font-family:inherit;font-size:.96rem;color:var(--ink);transition:.18s}
textarea{min-height:120px;resize:vertical}
.input:focus,input:focus,select:focus,textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 4px var(--brand-100)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* ---------- Auth ---------- */
.auth-wrap{min-height:calc(100vh - 78px);display:grid;grid-template-columns:1.05fr .95fr}
.auth-aside{position:relative;overflow:hidden;color:#fff;padding:64px;display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(165deg,#0b1730,#13396080),#0b1730}
.auth-aside .orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.6;animation:auroraMove 16s ease-in-out infinite}
.auth-aside .orb.o1{width:420px;height:420px;background:radial-gradient(circle,#3CA4CD,transparent 65%);top:-120px;right:-80px}
.auth-aside .orb.o2{width:360px;height:360px;background:radial-gradient(circle,#2f6bbf,transparent 65%);bottom:-140px;left:-90px;animation-delay:-6s}
.auth-aside>*{position:relative;z-index:1}
.auth-aside img{height:52px;margin-bottom:36px}
.auth-aside h2{color:#fff;font-size:2.2rem;margin-bottom:16px}
.auth-aside p{color:#bfd2ec;font-size:1.06rem;max-width:440px}
.auth-aside .feat{margin-top:38px;display:flex;flex-direction:column;gap:18px}
.auth-aside .feat li{display:flex;gap:13px;align-items:center;color:#dbe7f6;font-size:1rem}
.auth-aside .feat .ic{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,rgba(127,208,236,.3),rgba(127,208,236,.1));display:grid;place-items:center;color:#9fdcf3}
.auth-aside .feat svg{width:19px;height:19px}
.auth-main{display:grid;place-items:center;padding:40px}
.auth-card{width:100%;max-width:410px}
.auth-card h1{font-size:1.85rem;margin-bottom:8px}
.auth-card .sub{color:var(--muted);margin-bottom:28px}

/* ---------- Page hero (internas) ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;padding:96px 0 90px;
  background:linear-gradient(160deg,#0b1730,#173a66)}
.page-hero .orb{position:absolute;width:480px;height:480px;border-radius:50%;filter:blur(70px);opacity:.5;
  background:radial-gradient(circle,#3CA4CD,transparent 65%);top:-180px;right:-60px;animation:auroraMove 18s ease-in-out infinite}
.page-hero::after{content:"";position:absolute;inset:0;opacity:.4;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:28px 28px}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;margin:14px 0 14px}
.page-hero p{color:#bfd2ec;max-width:640px;font-size:1.14rem}
.crumb{font-size:.85rem;color:#93acd3;letter-spacing:.02em}
.crumb a{color:#bcd0ec}

/* ============ APP (panel alumno) ============ */
.app-body{background:var(--bg)}
.app-header{background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.app-nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.app-nav .links{display:flex;gap:8px;align-items:center}
.app-nav .links a{padding:9px 16px;border-radius:var(--r-full);font-weight:600;color:var(--ink-soft);font-size:.94rem;transition:.2s}
.app-nav .links a:hover{background:var(--bg-soft);color:var(--navy)}
.app-nav .links a.active{background:var(--brand-050);color:var(--brand-700)}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--navy));color:#fff;display:grid;place-items:center;font-family:var(--font-display);font-weight:800;font-size:.85rem}
.user-menu{position:relative}
.user-menu .um-btn{display:flex;align-items:center;gap:11px;background:none;border:none;padding:5px}
.user-menu .um-name{font-weight:600;font-size:.92rem;color:var(--navy)}
.user-menu .um-pop{position:absolute;right:0;top:56px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-lg);min-width:210px;padding:8px;display:none}
.user-menu.open .um-pop{display:block;animation:fadeDown .2s var(--ease)}
@keyframes fadeDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.user-menu .um-pop a{display:flex;gap:11px;align-items:center;padding:11px 13px;border-radius:9px;color:var(--ink-soft);font-size:.92rem}
.user-menu .um-pop a:hover{background:var(--bg-soft);color:var(--navy)}
.user-menu .um-pop svg{width:17px;height:17px}

.dash-hero{position:relative;overflow:hidden;color:#fff;padding:46px 0 96px;
  background:linear-gradient(150deg,#0b1730,#1a3c6b)}
.dash-hero::after{content:"";position:absolute;inset:0;opacity:.4;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:26px 26px}
.dash-hero .container{position:relative;z-index:1}
.dash-hero h1{color:#fff;font-size:2rem}
.dash-hero p{color:#bcd0ec}
.dash-wrap{margin-top:-64px;padding-bottom:70px;position:relative;z-index:2}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:36px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh);transition:transform .3s var(--ease),box-shadow .3s}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.stat-card .sc-ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:15px;background:var(--brand-050);color:var(--brand-700)}
.stat-card .sc-ic svg{width:22px;height:22px}
.stat-card .num{font-family:var(--font-display);font-size:2rem;font-weight:800;color:var(--navy);line-height:1}
.stat-card .lbl{color:var(--muted);font-size:.9rem;margin-top:5px}

.mycourse{display:grid;grid-template-columns:180px 1fr auto;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;margin-bottom:16px;transition:box-shadow .3s,transform .3s var(--ease)}
.mycourse:hover{box-shadow:var(--sh-md);transform:translateY(-3px)}
.mycourse .mc-thumb{aspect-ratio:16/10;border-radius:var(--r);overflow:hidden;background:linear-gradient(135deg,var(--navy),var(--brand-600));display:grid;place-items:center}
.mycourse .mc-thumb img{width:100%;height:100%;object-fit:cover}
.mycourse .mc-thumb .m{width:42px;opacity:.9}
.mycourse h3{font-size:1.12rem;margin-bottom:6px}
.mc-info{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.85rem;margin:8px 0}
.mc-info span{display:inline-flex;gap:6px;align-items:center}
.mc-actions{display:flex;flex-direction:column;gap:10px;align-items:flex-end;min-width:170px}

.progress-bar{height:10px;background:var(--bg-soft);border-radius:var(--r-full);overflow:hidden}
.progress-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand-400),var(--brand-600));border-radius:inherit;transition:width .8s var(--ease-out)}
.progress-bar.done i{background:linear-gradient(90deg,#3fb389,#2f8c6b)}
.progress-label{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-bottom:7px;font-weight:600}

.pill-status{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;padding:6px 13px;border-radius:var(--r-full)}
.pill-status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.st-new{background:#eef2f8;color:#64748b}
.st-prog{background:#fff3e3;color:#c87c2a}
.st-done{background:var(--brand-050);color:var(--brand-700)}
.st-pass{background:#eafaf3;color:#1c7a52}
.st-fail{background:#fdeeed;color:#b23b35}

.empty{text-align:center;padding:64px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg)}
.empty .ic{width:68px;height:68px;border-radius:50%;background:var(--brand-050);color:var(--brand);display:grid;place-items:center;margin:0 auto 18px}
.empty .ic svg{width:30px;height:30px}
.empty h3{margin-bottom:8px}

/* ---------- Course overview (panel) ---------- */
.co-layout{display:grid;grid-template-columns:1fr 330px;gap:34px;align-items:start}
.co-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh);margin-bottom:22px}
.co-side{position:sticky;top:94px}
.detail-list{display:flex;flex-direction:column;gap:2px}
.detail-list li{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-2);font-size:.93rem}
.detail-list li:last-child{border:none}
.detail-list .k{color:var(--muted)}
.detail-list .v{font-weight:700;color:var(--navy);text-align:right}
.prose p{margin-bottom:14px;color:var(--ink-soft)}
.prose h3{margin:24px 0 12px}
.prose ul.bullets{display:flex;flex-direction:column;gap:11px;margin:8px 0}
.prose ul.bullets li{display:flex;gap:13px;align-items:flex-start;color:var(--ink-soft)}
.prose ul.bullets li::before{content:"";flex:0 0 auto;width:23px;height:23px;border-radius:50%;margin-top:1px;
  background:var(--brand-050);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233CA4CD' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-size:13px;background-repeat:no-repeat;background-position:center}

/* ============ PLAYER ============ */
.player{position:fixed;inset:0;display:flex;flex-direction:column;background:#0e1626;z-index:100}
.player-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 18px;height:62px;
  background:linear-gradient(180deg,#13254e,#0e1c3d);color:#fff;flex:0 0 auto;border-bottom:1px solid rgba(255,255,255,.08)}
.player-bar .pb-title{font-family:var(--font-display);font-weight:700;font-size:1rem;display:flex;align-items:center;gap:12px;min-width:0}
.player-bar .pb-title img{height:27px}
.player-bar .pb-title span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.player-bar .pb-right{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.player-prog{display:flex;align-items:center;gap:10px;color:#bcd0ec;font-size:.85rem}
.player-prog .pp-bar{width:140px;height:8px;background:rgba(255,255,255,.15);border-radius:var(--r-full);overflow:hidden}
.player-prog .pp-bar i{display:block;height:100%;background:linear-gradient(90deg,#5db8da,#3CA4CD);border-radius:inherit;transition:width .6s var(--ease-out)}
.player-stage{flex:1;position:relative;background:#0e1626}
.player-stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#fff}
.pb-exit{display:inline-flex;align-items:center;gap:8px;color:#cfe0f3;font-weight:600;font-size:.9rem}
.pb-exit:hover{color:#fff}
.pb-exit svg{width:18px;height:18px}
.player-saving{font-size:.78rem;color:#7fd0ec;display:flex;align-items:center;gap:6px;opacity:0;transition:opacity .3s}
.player-saving.show{opacity:1}

/* ============ ADMIN ============ */
.admin{display:grid;grid-template-columns:256px 1fr;min-height:100vh}
.admin-side{background:linear-gradient(180deg,#0e1c3d,#0b1730);color:#b6c4dc;padding:22px 16px;position:sticky;top:0;height:100vh;overflow:auto}
.admin-side .as-brand{display:flex;align-items:center;gap:11px;padding:6px 10px 22px}
.admin-side .as-brand img{height:34px}
.admin-side .as-brand b{color:#fff;font-family:var(--font-display);font-size:1rem}
.admin-side nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:11px;color:#a9b8d2;font-weight:600;font-size:.94rem;margin-bottom:3px;transition:.2s}
.admin-side nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.admin-side nav a.active{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-brand)}
.admin-side nav a svg{width:19px;height:19px}
.admin-side .as-sec{font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:#5f7398;margin:20px 14px 8px}
.admin-main{background:var(--bg);min-width:0}
.admin-top{background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:18px 30px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}
.admin-top h1{font-size:1.42rem}
.admin-content{padding:30px}
.badge-count{background:var(--c-orange);color:#fff;font-size:.7rem;font-weight:700;padding:1px 8px;border-radius:var(--r-full);margin-left:auto}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;margin-bottom:24px}
.panel-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:14px}
.panel-head h2{font-size:1.12rem}
.panel-body{padding:22px}
.panel-body.flush{padding:0}

.table{width:100%;border-collapse:collapse}
.table th{text-align:left;font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);font-weight:700;padding:13px 18px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
.table td{padding:14px 18px;border-bottom:1px solid var(--line-2);font-size:.93rem;color:var(--ink-soft);vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:#fafcfe}
.table .t-strong{color:var(--navy);font-weight:600}
.table .t-actions{display:flex;gap:8px;justify-content:flex-end}
.mini-bar{width:90px;height:8px;background:var(--bg-soft);border-radius:var(--r-full);overflow:hidden;display:inline-block;vertical-align:middle}
.mini-bar i{display:block;height:100%;background:var(--brand)}

.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}
.kpi{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-sm);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s}
.kpi:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.kpi::after{content:"";position:absolute;right:-12px;top:-12px;width:74px;height:74px;border-radius:50%;background:var(--kc,var(--brand-050));opacity:.55}
.kpi .num{font-family:var(--font-display);font-size:2.1rem;font-weight:800;color:var(--navy);position:relative}
.kpi .lbl{color:var(--muted);font-size:.88rem;position:relative}

.tag{display:inline-flex;align-items:center;font-size:.73rem;font-weight:700;padding:4px 11px;border-radius:var(--r-full);color:#fff;background:var(--brand)}
.tag-soft{background:var(--bg-soft);color:var(--ink-soft)}
.tag-on{background:#eafaf3;color:#1c7a52}
.tag-off{background:#fdeeed;color:#b23b35}

.dropzone{border:2px dashed var(--line);border-radius:var(--r);padding:30px;text-align:center;background:var(--bg);transition:.25s}
.dropzone:hover{border-color:var(--brand);background:var(--brand-050)}
.dropzone .ic{width:54px;height:54px;border-radius:50%;background:#fff;color:var(--brand);display:grid;place-items:center;margin:0 auto 12px;box-shadow:var(--sh-sm)}

.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:8px}
.checkbox{display:flex;align-items:center;gap:10px}
.checkbox input{width:auto}

/* ---------- Certificate ---------- */
.cert-page{background:#e9eef5;min-height:100vh;padding:40px 16px}
.cert{max-width:980px;margin:0 auto;background:#fff;border-radius:10px;box-shadow:var(--sh-lg);padding:66px;position:relative;overflow:hidden;border:1px solid #e3e9f0}
.cert::before{content:"";position:absolute;inset:18px;border:2px solid var(--brand-100);border-radius:5px;pointer-events:none}
.cert::after{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(var(--brand),var(--navy))}
.cert-inner{position:relative;text-align:center}
.cert img.logo{height:62px;margin:0 auto 26px}
.cert .ct-k{letter-spacing:.3em;text-transform:uppercase;color:var(--brand-700);font-weight:700;font-size:.9rem}
.cert h1{font-size:2.7rem;color:var(--navy);margin:10px 0 30px}
.cert .name{font-family:var(--font-display);font-size:2.1rem;color:var(--navy);border-bottom:2px solid var(--line);display:inline-block;padding:0 30px 10px;margin-bottom:8px}
.cert .course{font-size:1.3rem;color:var(--ink);font-weight:600;margin:18px 0}
.cert .meta{display:flex;justify-content:center;gap:48px;margin-top:36px;flex-wrap:wrap}
.cert .meta .k{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.cert .meta .v{font-weight:700;color:var(--navy);margin-top:4px}
.cert-actions{max-width:980px;margin:22px auto 0;display:flex;gap:12px;justify-content:center}
@media print{.cert-actions,.no-print{display:none!important}.cert-page{background:#fff;padding:0}.cert{box-shadow:none;border:none}}

/* ---------- Utilities ---------- */
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:36px}.mt-5{margin-top:52px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.flex{display:flex}.between{justify-content:space-between}.items-center{align-items:center}.gap{gap:14px}.gap-sm{gap:8px}.wrap{flex-wrap:wrap}
.hide{display:none}
.divider{height:1px;background:var(--line);margin:24px 0}

/* ---------- Responsive ---------- */
@media (max-width:1040px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-card{order:2;max-width:520px}
  .g-4,.pillars,.stat-row,.kpi-row{grid-template-columns:repeat(2,1fr)}
  .g-3,.steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .co-layout{grid-template-columns:1fr}
  .co-side{position:static}
  .auth-wrap{grid-template-columns:1fr}
  .auth-aside{display:none}
  .admin{grid-template-columns:1fr}
  .admin-side{position:fixed;left:0;top:0;bottom:0;z-index:80;transform:translateX(-100%);transition:transform .3s var(--ease);width:256px}
  .admin.nav-open .admin-side{transform:none}
  .admin-burger{display:inline-grid!important}
}
@media (max-width:920px){
  .nav-links{position:fixed;inset:78px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:12px 24px 24px;box-shadow:var(--sh-lg);transform:translateY(-130%);transition:transform .3s var(--ease);border-bottom:1px solid var(--line)}
  .nav-links a{padding:15px 4px;border-bottom:1px solid var(--line-2)}
  .nav-links a::after{display:none}
  .site-header.menu-open .nav-links{transform:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:720px){
  .section{padding:60px 0}
  .nav .nav-cta .btn-ghost{display:none}
  .g-2,.g-3,.g-4,.pillars,.stat-row,.kpi-row,.field-row,.footer-grid,.steps{grid-template-columns:1fr}
  .mycourse{grid-template-columns:1fr;gap:14px}
  .mycourse .mc-thumb{aspect-ratio:16/7}
  .mc-actions{flex-direction:row;align-items:center;min-width:0;flex-wrap:wrap}
  .cta{padding:42px 28px}
  .cta-row{flex-direction:column;align-items:flex-start}
  .hero{padding:90px 0 100px}
  .hero-stats{gap:26px}
  .hero-badge{display:none}
  .cert{padding:34px 22px}
  .cert h1{font-size:1.8rem}
  .admin-content{padding:18px}
  .table-wrap{overflow-x:auto}
}
.admin-burger{display:none;background:none;border:none;color:var(--navy);padding:6px;place-items:center}
.admin-burger svg{width:26px;height:26px}

/* ============ LOTTIE / VIDEO ============ */
.lottie-slot{display:block;width:100%;height:100%}
dotlottie-player,lottie-player{display:block;width:100%;height:100%}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.5}
.hero.has-video::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(165deg,rgba(11,23,48,.80),rgba(16,34,69,.7) 45%,rgba(20,46,82,.58))}
.hero.has-video .orb{opacity:.4}
.media-frame{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-lg);border:1px solid var(--line);background:#0b1730}
.media-frame video,.media-frame img{display:block;width:100%;height:auto}
.media-frame .play-badge{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.media-frame .play-badge span{width:74px;height:74px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;color:var(--brand-700);box-shadow:var(--sh-lg);animation:pulseRing 2.4s infinite}
.media-frame .play-badge svg{width:30px;height:30px;margin-left:4px}

/* ============ CHATBOT ============ */
.chat-launcher{position:fixed;right:24px;bottom:24px;z-index:90;display:flex;align-items:center;gap:12px}
.chat-launcher .cl-btn{position:relative;width:64px;height:64px;border-radius:50%;border:none;cursor:pointer;
  background:var(--grad-brand);color:#fff;display:grid;place-items:center;box-shadow:var(--sh-brand);transition:transform .25s var(--ease)}
.chat-launcher .cl-btn:hover{transform:scale(1.08) rotate(-4deg)}
.chat-launcher .cl-btn svg{width:28px;height:28px;transition:opacity .2s,transform .2s}
.chat-launcher .cl-btn .ic-close{position:absolute;opacity:0;transform:scale(.6)}
.chat-open .chat-launcher .cl-btn .ic-chat{opacity:0;transform:scale(.6)}
.chat-open .chat-launcher .cl-btn .ic-close{opacity:1;transform:scale(1)}
.chat-launcher .cl-btn::after{content:"";position:absolute;inset:0;border-radius:50%;animation:pulseRing 2.6s infinite}
.chat-launcher .cl-ping{position:absolute;top:-3px;right:-3px;width:20px;height:20px;border-radius:50%;background:var(--c-orange);color:#fff;font-size:.7rem;font-weight:800;display:grid;place-items:center;border:2px solid #fff}
.chat-bubble{position:fixed;right:24px;bottom:100px;z-index:89;background:#fff;border:1px solid var(--line);border-radius:16px 16px 4px 16px;
  padding:13px 16px;box-shadow:var(--sh-lg);max-width:240px;font-size:.9rem;color:var(--ink);transform-origin:bottom right;
  animation:fadeDown .4s var(--ease) both;cursor:pointer}
.chat-bubble b{color:var(--navy)}
.chat-bubble .x{position:absolute;top:-8px;right:-8px;width:22px;height:22px;border-radius:50%;background:var(--navy);color:#fff;border:none;display:grid;place-items:center;cursor:pointer}
.chat-bubble .x svg{width:13px;height:13px}
.chat-open .chat-bubble{display:none}

.chat-panel{position:fixed;right:24px;bottom:100px;z-index:90;width:380px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 130px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-lg);display:flex;flex-direction:column;overflow:hidden;
  opacity:0;transform:translateY(20px) scale(.97);pointer-events:none;transform-origin:bottom right;transition:opacity .3s var(--ease-out),transform .3s var(--ease-out)}
.chat-open .chat-panel{opacity:1;transform:none;pointer-events:auto}
.chat-head{position:relative;padding:20px 20px 18px;color:#fff;flex:0 0 auto;overflow:hidden;
  background:radial-gradient(500px 240px at 90% -20%,rgba(60,164,205,.55),transparent 60%),linear-gradient(135deg,#0e1c3d,#1d3a6e)}
.chat-head .ch-row{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.chat-head .ch-av{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);display:grid;place-items:center}
.chat-head .ch-av img{width:26px;height:26px}
.chat-head b{font-family:var(--font-display);font-size:1.05rem;display:block}
.chat-head .on{display:flex;align-items:center;gap:6px;font-size:.78rem;color:#bcd0ec;margin-top:2px}
.chat-head .on::before{content:"";width:8px;height:8px;border-radius:50%;background:#46d39a;box-shadow:0 0 0 3px rgba(70,211,154,.3)}
.chat-head .ch-x{position:absolute;top:16px;right:16px;background:rgba(255,255,255,.15);border:none;color:#fff;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;cursor:pointer;z-index:1}
.chat-head .ch-x svg{width:18px;height:18px}
.chat-body{flex:1;overflow-y:auto;padding:20px;background:linear-gradient(180deg,#f6f9fd,#eef3fa);display:flex;flex-direction:column;gap:12px}
.chat-body::-webkit-scrollbar{width:8px}.chat-body::-webkit-scrollbar-thumb{background:#cdd9e8;border-radius:8px}
.msg{max-width:84%;padding:12px 15px;border-radius:16px;font-size:.92rem;line-height:1.55;animation:fadeDown .3s var(--ease) both}
.msg.bot{align-self:flex-start;background:#fff;color:var(--ink);border:1px solid var(--line);border-bottom-left-radius:5px;box-shadow:var(--sh-sm)}
.msg.user{align-self:flex-end;background:var(--grad-brand);color:#fff;border-bottom-right-radius:5px;box-shadow:var(--sh-brand)}
.msg a{color:var(--brand-700);font-weight:600;text-decoration:underline}
.msg.user a{color:#fff}
.msg-actions{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.msg-actions a,.msg-actions button{display:inline-flex;align-items:center;gap:8px;justify-content:center;padding:10px 14px;border-radius:11px;
  background:var(--brand-050);color:var(--brand-700);border:1px solid var(--brand-100);font-weight:600;font-size:.86rem;cursor:pointer;font-family:inherit;transition:.2s}
.msg-actions a:hover,.msg-actions button:hover{background:var(--brand);color:#fff;border-color:var(--brand);text-decoration:none}
.msg-actions a.wa{background:#25d366;color:#fff;border-color:#25d366}
.msg-actions a.wa:hover{background:#1fb155}
.msg-actions svg{width:16px;height:16px}
.typing{align-self:flex-start;display:flex;gap:4px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:16px;border-bottom-left-radius:5px}
.typing i{width:7px;height:7px;border-radius:50%;background:#b6c2d4;animation:typ 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes typ{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}
.chat-quick{display:flex;gap:8px;flex-wrap:wrap;padding:0 14px 10px;background:#eef3fa}
.chat-quick button{background:#fff;border:1px solid var(--brand-100);color:var(--brand-700);border-radius:var(--r-full);padding:8px 14px;font-size:.82rem;font-weight:600;cursor:pointer;font-family:inherit;transition:.2s}
.chat-quick button:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.chat-input{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line);background:#fff;flex:0 0 auto}
.chat-input input{flex:1;border:1px solid var(--line);border-radius:var(--r-full);padding:12px 16px;font-size:.92rem;font-family:inherit}
.chat-input input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-100)}
.chat-input button{flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:none;background:var(--grad-brand);color:#fff;display:grid;place-items:center;cursor:pointer}
.chat-input button svg{width:19px;height:19px}
.chat-foot{text-align:center;font-size:.72rem;color:var(--faint);padding:0 0 10px;background:#fff}
@media (max-width:480px){
  .chat-panel{right:10px;left:10px;bottom:92px;width:auto;height:calc(100vh - 120px)}
  .chat-launcher{right:16px;bottom:16px}
  .chat-bubble{right:16px;bottom:90px}
}