/* =========================================================
   INNOVATEC ACADEMY — UI TECH CLARA + ANIMACIONES + MOBILE
   ========================================================= */

/* Tokens */
:root{
  --bg0:#f6f9ff;
  --bg1:#ffffff;
  --card:#ffffff;
  --text:#0b1220;
  --muted:#51607a;
  --line:rgba(12, 20, 37, .10);

  --brand:#2563eb;     /* azul tech */
  --brand2:#06b6d4;    /* cyan */
  --brand3:#7c3aed;    /* violeta */
  --ok:#66a07b;
  --warn:#f59e0b;
  --danger:#ef4444;

  --shadow: 0 18px 48px rgba(11, 18, 32, .10);
  --shadow2: 0 10px 24px rgba(11, 18, 32, .08);

  --radius: 20px;
  --radius2: 14px;
  --max: 1120px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
}

/* Base */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(900px 520px at 10% 10%, rgba(37,99,235,.10), transparent 60%),
    radial-gradient(900px 520px at 90% 15%, rgba(6,182,212,.12), transparent 60%),
    radial-gradient(900px 520px at 65% 90%, rgba(124,58,237,.10), transparent 60%),
    linear-gradient(180deg, var(--bg0) 0%, #ffffff 70%);
  overflow-x:hidden;
}

/* Subtle animated tech grid */
body::before{
  content:"";
  position:fixed; inset:0;
  background:
    linear-gradient(to right, rgba(0,0,0,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity:.25;
  mask-image: radial-gradient(600px 260px at 50% 12%, black 35%, transparent 70%);
  pointer-events:none;
  animation: gridMove 18s linear infinite;
}
@keyframes gridMove{
  from{transform:translateY(0)}
  to{transform:translateY(48px)}
}

/* Container */
.container{max-width:var(--max); margin:0 auto; padding:26px 16px 88px}

/* Links */
a{color:inherit;text-decoration:none}
a:focus{outline:3px solid rgba(37,99,235,.25); outline-offset:3px; border-radius:12px}

/* Top Nav */
.nav{
  display:flex; align-items:center; justify-content:space-between;
  gap:14px; flex-wrap:wrap;
  padding:10px 0 6px;
}
.brand{
  display:flex; gap:12px; align-items:center;
}
.brand .logo{
  width:44px; height:44px; border-radius:16px;
  background: conic-gradient(from 210deg, var(--brand), var(--brand2), var(--brand3), var(--brand));
  box-shadow: 0 18px 40px rgba(37,99,235,.18);
  position:relative;
  overflow:hidden;
}
.brand .logo::after{
  content:"";
  position:absolute; inset:-50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.8), transparent 35%);
  transform:rotate(0deg);
  animation: sheen 6s ease-in-out infinite;
  opacity:.45;
}
@keyframes sheen{
  0%,100%{transform:rotate(0deg) translate(0,0)}
  50%{transform:rotate(20deg) translate(12px, -6px)}
}
.brand b{letter-spacing:.2px}
.small{font-size:.95rem; color:var(--muted)}

/* Pills */
.links{display:flex; gap:10px; flex-wrap:wrap}
.pill{
  border:1px solid var(--line);
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(10px);
  padding:10px 12px;
  border-radius:999px;
  color:var(--muted);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  box-shadow: 0 8px 20px rgba(11,18,32,.06);
}
.pill:hover{
  transform: translateY(-2px);
  background:#fff;
  box-shadow: 0 16px 30px rgba(11,18,32,.10);
  color:var(--text);
}

/* Hero */
.hero{
  margin-top:14px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  position:relative;
  overflow:hidden;
  animation: fadeUp .6s ease both;
}
.hero::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(700px 250px at 20% 0%, rgba(37,99,235,.16), transparent 60%),
              radial-gradient(700px 250px at 80% 10%, rgba(6,182,212,.16), transparent 60%);
  pointer-events:none;
}
@keyframes fadeUp{
  from{opacity:0; transform:translateY(10px)}
  to{opacity:1; transform:translateY(0)}
}
.hero h1{
  margin:10px 0 10px;
  font-size: clamp(26px, 3.2vw, 44px);
  line-height:1.08;
  letter-spacing:-.3px;
}
.hero p{margin:0; color:var(--muted); max-width: 82ch}

/* Gradient headline accent */
.academy-badge{
  display:inline-flex; align-items:center; gap:10px;
  border-radius:999px;
  padding:10px 12px;
  border:1px solid rgba(37,99,235,.20);
  background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(6,182,212,.10));
  color:var(--muted);
  font-weight:600;
  width:fit-content;
}
.academy-dot{
  width:10px; height:10px; border-radius:999px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 6px rgba(37,99,235,.12);
}

/* KPIs */
.kpis{margin-top:14px; display:flex; gap:10px; flex-wrap:wrap}
.kpi{
  border:1px solid var(--line);
  background: rgba(255,255,255,.85);
  padding:10px 12px;
  border-radius: 14px;
  color:var(--muted);
  box-shadow: var(--shadow2);
}
.kpi b{color:var(--text)}

/* Inputs */
input, textarea, select{
  font-family:var(--font);
}
.input{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.90);
  color:var(--text);
  outline:none;
  box-shadow: var(--shadow2);
}
.input:focus{
  border-color: rgba(37,99,235,.35);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12), var(--shadow2);
}

/* Grid */
.grid{
  margin-top:18px;
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
}

/* Cards */
.card{
  grid-column: span 6;
  border:1px solid var(--line);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-radius:var(--radius);
  padding:16px;
  box-shadow: var(--shadow2);
  position:relative;
  overflow:hidden;
  transform: translateY(0);
  transition: transform .18s ease, box-shadow .18s ease;
  animation: cardIn .55s ease both;
}
.card:nth-child(2){animation-delay:.04s}
.card:nth-child(3){animation-delay:.08s}
.card:nth-child(4){animation-delay:.12s}
.card:nth-child(5){animation-delay:.16s}
@keyframes cardIn{
  from{opacity:0; transform:translateY(10px)}
  to{opacity:1; transform:translateY(0)}
}
.card:hover{
  transform: translateY(-4px);
  box-shadow: 0 22px 60px rgba(11,18,32,.14);
}
.card::before{
  content:"";
  position:absolute; inset:-2px;
  background:
    radial-gradient(520px 160px at 20% 0%, rgba(6,182,212,.14), transparent 65%),
    radial-gradient(520px 160px at 80% 10%, rgba(124,58,237,.12), transparent 65%);
  pointer-events:none;
}
.card h3{margin:0 0 6px; font-size:1.08rem; position:relative}
.card p{margin:0; color:var(--muted); position:relative}

/* Meta tags */
.meta{margin-top:12px; display:flex; gap:8px; flex-wrap:wrap; align-items:center; position:relative}
.tag{
  border:1px solid rgba(11,18,32,.10);
  background: rgba(255,255,255,.85);
  border-radius:999px;
  padding:7px 10px;
  font-size:.86rem;
  color:var(--muted);
}
.badge{
  border-radius:999px;
  padding:7px 10px;
  font-size:.86rem;
  border:1px solid rgba(22,163,74,.25);
  background: rgba(22,163,74,.10);
  color: #166534;
}
.badge.active{
  border:1px solid rgba(245,158,11,.28);
  background: rgba(245,158,11,.12);
  color:#92400e;
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  margin-top:12px;
  border-radius:14px;
  padding:11px 13px;
  border:1px solid rgba(37,99,235,.22);
  background: linear-gradient(135deg, rgba(37,99,235,.16), rgba(6,182,212,.14));
  color: var(--text);
  font-weight:800;
  letter-spacing:.2px;
  position:relative;
  overflow:hidden;
  transition: transform .18s ease, filter .18s ease, box-shadow .18s ease;
  box-shadow: 0 14px 30px rgba(37,99,235,.10);
}
.btn::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.55) 20%, transparent 40%);
  transform: translateX(-120%);
  transition: transform .5s ease;
  opacity:.45;
}
.btn:hover{
  transform: translateY(-2px);
  filter: brightness(1.03);
  box-shadow: 0 22px 50px rgba(37,99,235,.14);
}
.btn:hover::after{ transform: translateX(120%); }

/* Section titles */
.section-title{
  margin:24px 0 10px;
  font-size:1.22rem;
  letter-spacing:-.2px;
}

/* Panels */
.two{
  grid-column: span 12;
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
}
.panel{
  grid-column: span 6;
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:16px;
  background: rgba(255,255,255,.85);
  box-shadow: var(--shadow2);
}
.panel h4{margin:0 0 10px}

/* Lists */
.list{margin:0; padding-left:18px; color:var(--muted)}
.list li{margin:7px 0}

/* Callout */
.callout{
  border:1px solid rgba(37,99,235,.18);
  background: linear-gradient(135deg, rgba(37,99,235,.10), rgba(6,182,212,.08));
  padding:12px 14px;
  border-radius: 16px;
  color: var(--muted);
  box-shadow: var(--shadow2);
}

/* Separator */
hr.sep{border:none; border-top:1px solid var(--line); margin:22px 0}

/* Foro */
.foro{
  margin-top:14px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:16px;
  background: rgba(255,255,255,.85);
  box-shadow: var(--shadow2);
}
.foro form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
.foro input,.foro textarea, .foro select{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.92);
  color: var(--text);
  outline:none;
  box-shadow: var(--shadow2);
}
.foro input:focus,.foro textarea:focus, .foro select:focus{
  border-color: rgba(37,99,235,.35);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12), var(--shadow2);
}
.foro textarea{grid-column: span 2; min-height:108px; resize:vertical}
.foro .actions{grid-column: span 2; display:flex; gap:10px; flex-wrap:wrap}
.foro button{
  padding:11px 13px; border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.92);
  color: var(--text);
  cursor:pointer;
  font-weight:700;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  box-shadow: var(--shadow2);
}
.foro button:hover{transform:translateY(-2px); box-shadow: 0 18px 40px rgba(11,18,32,.12)}
.foro button.primary{
  border:1px solid rgba(37,99,235,.22);
  background: linear-gradient(135deg, rgba(37,99,235,.18), rgba(6,182,212,.16));
}
.foro .items{margin-top:14px; display:grid; gap:10px}
.post{
  border:1px solid var(--line);
  border-radius: 16px;
  padding:12px;
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow2);
}
.post .top{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap}
.post .who{color:var(--muted); font-size:.95rem}
.post .q{margin:6px 0 0; color:var(--text)}

/* Footer */
.footer{
  margin-top:26px;
  color:var(--muted);
  font-size:.95rem;
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding-top:14px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{animation:none!important; transition:none!important}
  body::before{animation:none!important}
}

/* Mobile */
@media (max-width: 900px){
  .card{grid-column: span 12}
  .panel{grid-column: span 12}
  .foro form{grid-template-columns:1fr}
  .foro textarea,.foro .actions{grid-column: span 1}
  .brand .logo{width:40px;height:40px}
  .pill{padding:9px 11px}
}

/* Small phones */
@media (max-width: 420px){
  .hero{padding:18px}
  .btn{width:100%}
}