/* ===== Variables con colores del logo ZYNIC ===== */
:root{
  --bg: #0B1020;
  --bg-deep: #050A15;
  --card: #111A2E;
  --text: #EAF2FF;
  --muted: #9AA8C7;
  --accent: #22E6FF;
  --accent2: #7C3BFF;
  --radius: 12px;
  --border: #22304A;
  --glass: rgba(34,230,255,0.03);
}

*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

body{
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: radial-gradient(circle at top left, var(--bg) 0%, var(--bg-deep) 100%);
  color: var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  min-height: 100vh;
}

/* ===== NAVBAR ===== */
nav{
  width:100%;
  background: rgba(17,26,46,0.95);
  padding:14px 22px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  animation: slideDown 0.5s ease-out;
}

nav a{
  color:var(--text);
  text-decoration:none;
  font-size:0.98rem;
  font-weight:600;
  padding:8px 14px;
  border-radius:8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

nav a::before{
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

nav a:hover,
nav a.active{
  color:var(--accent);
  background: rgba(34,230,255,0.08);
  transform: translateY(-2px);
}

nav a:hover::before,
nav a.active::before{
  transform: scaleX(1);
}

/* ===== CONTAINER / HERO ===== */
.container{
  max-width:980px;
  margin: 28px auto;
  padding: 24px;
  text-align:center;
}

.logo-container{
  display:flex;
  justify-content:center;
  margin-top:6px;
  margin-bottom:14px;
  animation: fadeInScale 0.8s ease-out;
}

.logo{
  width:98px;
  height:auto;
  object-fit:contain;
  filter: drop-shadow(0 6px 18px rgba(34,230,255,0.35));
  border-radius:12px;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.logo:hover{
  transform: scale(1.05) rotate(5deg);
  filter: drop-shadow(0 8px 25px rgba(34,230,255,0.5));
}

header h1{
  font-size:2.6rem;
  font-weight:800;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  margin-bottom:8px;
  animation: fadeInDown .6s ease both;
  filter: drop-shadow(0 0 15px rgba(34,230,255,0.2));
}

p.subtitle{
  color:var(--muted);
  margin-bottom:26px;
  font-size:1.05rem;
  animation: fadeIn 0.8s ease-out 0.3s both;
}

/* ===== BIG CARD (cuadrado único) ===== */
.big-card{
  background: linear-gradient(180deg, rgba(34,230,255,0.04), transparent), var(--card);
  border-radius: var(--radius);
  padding:32px;
  text-align:left;
  box-shadow: 0 10px 30px rgba(0,0,0,0.45);
  border: 1px solid var(--border);
  margin-bottom:28px;
  animation: slideUp 0.8s ease-out 0.4s both;
  transition: all 0.4s ease;
}

.big-card:hover{
  box-shadow: 0 15px 40px rgba(34,230,255,0.15);
  transform: translateY(-4px);
  border-color: rgba(34,230,255,0.3);
}

.tag{
  display:flex;
  gap:16px;
  align-items:flex-start;
  margin-bottom:22px;
  padding: 12px;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.tag:hover{
  background: rgba(34,230,255,0.05);
  transform: translateX(8px);
}

.tag svg{ 
  width:34px;
  height:34px;
  stroke:var(--accent);
  stroke-width:1.8;
  fill:none;
  flex-shrink:0;
  filter: drop-shadow(0 0 6px rgba(34,230,255,0.4));
  transition: transform 0.3s ease;
}

.tag:hover svg{
  transform: scale(1.1);
}

.tag h2{
  font-size:1.15rem;
  color:var(--accent);
  margin-bottom:6px;
  font-weight:700;
}

.tag p{ 
  color:var(--muted);
  font-size:0.97rem;
  line-height:1.45;
  margin:0;
}

/* ===== EXTRA INFO (cards grid) ===== */
.extra-row{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap:14px;
  margin-top:12px;
}

.info-box{
  background: rgba(34,230,255,0.03);
  padding:16px;
  border-radius:10px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.info-box:hover{
  background: rgba(34,230,255,0.08);
  border-color: rgba(34,230,255,0.25);
  box-shadow: 0 8px 20px rgba(34,230,255,0.12);
  transform: translateY(-4px);
}

.info-box h3{ 
  color:var(--accent);
  font-size:1rem;
  margin-bottom:8px;
  font-weight:700;
}

.info-box p{ 
  color:var(--muted);
  font-size:0.92rem;
  margin:0;
}

/* ===== FAQ SECTION ===== */
.faq-section{
  margin-top:34px;
  text-align:left;
  animation: fadeIn 1s ease-out 0.6s both;
}

.faq-tabs{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:18px;
}

.faq-tabs .tab{
  padding:10px 16px;
  background: var(--card);
  color:var(--muted);
  border-radius:10px;
  cursor:pointer;
  font-weight:700;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.faq-tabs .tab:hover{
  background: rgba(34,230,255,0.1);
  color: var(--accent);
  border-color: rgba(34,230,255,0.25);
  transform: translateY(-2px);
}

.faq-tabs .tab.active{
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color:#fff;
  box-shadow: 0 6px 18px rgba(34,230,255,0.3);
  border-color: transparent;
}

.faq-card{
  background: linear-gradient(180deg, rgba(34,230,255,0.03), transparent), var(--card);
  padding:20px;
  border-radius:12px;
  border:1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  transition: box-shadow 0.3s ease;
}

.faq-card:hover{
  box-shadow: 0 12px 35px rgba(34,230,255,0.1);
}

details{
  margin-bottom:12px;
  padding:12px 14px;
  background: rgba(34,230,255,0.02);
  border-radius:10px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: all 0.3s ease;
}

details:hover{ 
  background: rgba(34,230,255,0.06);
  border-color: rgba(34,230,255,0.2);
  transform: translateX(4px);
}

details[open]{
  background: rgba(34,230,255,0.08);
  border-color: rgba(34,230,255,0.3);
  box-shadow: 0 4px 12px rgba(34,230,255,0.1);
}

summary{ 
  font-weight:700;
  color:var(--accent);
  list-style:none;
  outline:none;
  transition: color 0.3s ease;
}

details:hover summary{
  color: var(--text);
}

details p{ 
  margin-top:8px;
  color:var(--muted);
  font-size:0.95rem;
  animation: fadeIn 0.4s ease-out;
}

/* ===== FOOTER ===== */
footer{
  margin-top:34px;
  text-align:center;
  color:var(--muted);
  font-size:0.95rem;
  padding-bottom:40px;
  animation: fadeIn 1.2s ease-out 0.8s both;
}

/* ===== RESPONSIVE ===== */
@media (max-width:720px){
  header h1{ font-size:2rem; }
  .container{ padding:20px; }
  nav{ gap:14px; padding:12px; flex-wrap: wrap; }
  nav a{ font-size: 0.9rem; padding: 6px 10px; }
  .logo{ width:80px; }
  .extra-row{ grid-template-columns: 1fr; }
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
  from { opacity:0; }
  to { opacity:1; }
}

@keyframes fadeInDown {
  from { opacity:0; transform: translateY(-20px); }
  to { opacity:1; transform: translateY(0); }
}

@keyframes fadeInScale {
  from { opacity:0; transform: scale(0.8); }
  to { opacity:1; transform: scale(1); }
}

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideUp {
  from { opacity:0; transform: translateY(40px); }
  to { opacity:1; transform: translateY(0); }
}