/* ==========================================================================
   ToolMex — Estilos principales
   ========================================================================== */

:root{
  --bg: #08090a;
  --bg-soft: #101113;
  --bg-card: #141517;
  --bg-card-hover: #191a1d;
  --border: #232427;
  --border-soft: #1c1d20;
  --gold: #d4af37;
  --gold-light: #f3d97a;
  --gold-dark: #a4801f;
  --gold-glow: rgba(212,175,55,.25);
  --text: #f4f4f2;
  --text-muted: #a3a3a8;
  --text-dim: #6c6c72;
  --danger: #e05a5a;
  --success: #4cd08a;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 10px 30px rgba(0,0,0,.45);
  --ease: cubic-bezier(.4,0,.2,1);
  --maxw: 1180px;
  font-size: 16px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: radial-gradient(1200px 600px at 50% -10%, #141414 0%, var(--bg) 60%) fixed;
  color: var(--text);
  font-family: 'Poppins', 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
button{ font-family: inherit; }
input,select,textarea{ font-family: inherit; }

.container{
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background: var(--bg); }
::-webkit-scrollbar-thumb{ background: #2b2b2e; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover{ background: var(--gold-dark); }

/* ---------- Texto dorado utilitario ---------- */
.gold{ color: var(--gold); }
.grad-text{
  background: linear-gradient(120deg, var(--gold-light), var(--gold) 45%, var(--gold-dark));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,9,10,.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner{
  display:flex;
  align-items:center;
  gap: 22px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:'Playfair Display', serif;
  font-weight:700;
  font-size: 1.5rem;
  letter-spacing: .5px;
  white-space:nowrap;
}
.brand-mark{
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  display:flex; align-items:center; justify-content:center;
  color:#0a0a0a; font-weight:800; font-family:'Poppins',sans-serif;
  box-shadow: 0 4px 16px var(--gold-glow);
  flex-shrink:0;
}
.brand small{
  color: var(--text-muted);
  font-family:'Poppins',sans-serif;
  font-weight:400;
  font-size: .62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  display:block;
  margin-top:1px;
}

.nav-search{
  flex:1;
  position: relative;
  max-width: 480px;
}
.nav-search input{
  width:100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 16px 11px 40px;
  border-radius: 999px;
  font-size: .92rem;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.nav-search input:focus{
  outline:none;
  border-color: var(--gold-dark);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.nav-search svg{
  position:absolute; left:14px; top:50%; transform:translateY(-50%);
  width:16px; height:16px; color: var(--text-dim);
  pointer-events:none;
}
.search-results{
  position:absolute;
  top: calc(100% + 10px);
  left:0; right:0;
  background: var(--bg-card);
  border:1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  max-height: 360px;
  overflow-y:auto;
  display:none;
  z-index: 200;
}
.search-results.active{ display:block; animation: fadeDown .18s var(--ease); }
.search-results a{
  display:flex; align-items:center; gap:10px;
  padding: 11px 16px;
  font-size:.88rem;
  border-bottom: 1px solid var(--border-soft);
  transition: background .15s;
}
.search-results a:last-child{ border-bottom:none; }
.search-results a:hover{ background: var(--bg-card-hover); color: var(--gold-light); }
.search-results .empty{ padding: 16px; color: var(--text-dim); font-size:.85rem; }

.main-nav{ display:flex; align-items:center; gap: 22px; }
.main-nav a{
  font-size:.88rem;
  color: var(--text-muted);
  transition: color .2s;
  white-space: nowrap;
}
.main-nav a:hover{ color: var(--gold-light); }

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--border);
  color: var(--text); width:40px; height:40px; border-radius:8px;
  align-items:center; justify-content:center; cursor:pointer;
  flex-shrink:0;
}

@keyframes fadeDown{ from{ opacity:0; transform: translateY(-6px);} to{opacity:1; transform:none;} }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  padding: 74px 0 54px;
  text-align:center;
  position: relative;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute; inset: -40% -10% auto -10%;
  height: 480px;
  background: radial-gradient(closest-side, var(--gold-glow), transparent 70%);
  filter: blur(10px);
  pointer-events:none;
}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid var(--border);
  background: var(--bg-card);
  color: var(--gold-light);
  padding: 6px 16px;
  border-radius: 999px;
  font-size:.72rem;
  letter-spacing: 1.5px;
  text-transform:uppercase;
  margin-bottom: 22px;
}
.hero h1{
  font-family:'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 0 0 16px;
  line-height:1.15;
}
.hero p{
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 30px;
  font-size: 1.05rem;
}
.hero-search{
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}
.hero-search input{
  width:100%;
  padding: 16px 20px 16px 50px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-size: 1rem;
  box-shadow: var(--shadow);
  transition: border-color .25s, box-shadow .25s;
}
.hero-search input:focus{
  outline:none;
  border-color: var(--gold-dark);
  box-shadow: 0 0 0 4px var(--gold-glow);
}
.hero-search svg{
  position:absolute; left:20px; top:50%; transform:translateY(-50%);
  width:18px; height:18px; color: var(--text-dim);
}
.hero-stats{
  display:flex; justify-content:center; gap: 40px;
  margin-top: 40px;
  flex-wrap:wrap;
}
.hero-stats div{ text-align:center; }
.hero-stats strong{
  display:block; font-size:1.6rem; font-family:'Playfair Display',serif;
  color: var(--gold-light);
}
.hero-stats span{ font-size:.78rem; color: var(--text-dim); text-transform:uppercase; letter-spacing:1px; }

/* ==========================================================================
   CATEGORÍAS / FILTROS
   ========================================================================== */
.categories{
  display:flex; gap:10px; flex-wrap:wrap; justify-content:center;
  padding: 10px 0 46px;
}
.chip{
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: .84rem;
  cursor:pointer;
  transition: all .2s var(--ease);
}
.chip:hover{ border-color: var(--gold-dark); color: var(--text); }
.chip.active{
  background: linear-gradient(120deg, var(--gold-light), var(--gold-dark));
  color: #0a0a0a;
  font-weight:600;
  border-color: transparent;
}

/* ==========================================================================
   GRID DE HERRAMIENTAS
   ========================================================================== */
.section{ padding: 20px 0 70px; }
.section-title{
  font-family:'Playfair Display', serif;
  font-size: 1.7rem;
  text-align:center;
  margin-bottom: 8px;
}
.section-sub{
  text-align:center;
  color: var(--text-dim);
  margin-bottom: 40px;
  font-size:.92rem;
}

.tools-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}
.tool-card{
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
  position:relative;
  overflow:hidden;
}
.tool-card::after{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(140deg, var(--gold-glow), transparent 40%);
  opacity:0;
  transition: opacity .3s;
  pointer-events:none;
}
.tool-card:hover{
  transform: translateY(-5px);
  border-color: var(--gold-dark);
  box-shadow: var(--shadow);
}
.tool-card:hover::after{ opacity:1; }
.tool-icon{
  width: 46px; height:46px;
  border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, #1c1d20, #101113);
  border: 1px solid var(--border);
  color: var(--gold-light);
  margin-bottom: 16px;
  font-size: 1.3rem;
}
.tool-card h3{ margin: 0 0 6px; font-size: 1.05rem; }
.tool-card p{ margin:0 0 14px; font-size: .85rem; color: var(--text-muted); }
.tool-cat{
  font-size:.68rem;
  text-transform:uppercase;
  letter-spacing: 1px;
  color: var(--gold-dark);
  font-weight:600;
}
.tool-link{
  display:inline-flex; align-items:center; gap:6px;
  font-size:.85rem; color: var(--gold-light); font-weight:600;
  margin-top: 6px;
}
.tool-card:hover .tool-link{ text-decoration: underline; }

/* ==========================================================================
   AD SLOT
   ========================================================================== */
.ad-slot{
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  text-align:center;
  color: var(--text-dim);
  font-size: .75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--bg-soft);
  margin: 34px 0;
}

/* ==========================================================================
   PÁGINA DE HERRAMIENTA
   ========================================================================== */
.breadcrumb{
  font-size:.8rem;
  color: var(--text-dim);
  padding: 18px 0 0;
}
.breadcrumb a{ color: var(--text-muted); }
.breadcrumb a:hover{ color: var(--gold-light); }

.tool-header{
  padding: 30px 0 10px;
  text-align:center;
}
.tool-header .tool-icon{ margin: 0 auto 16px; width:56px; height:56px; font-size:1.6rem; }
.tool-header h1{
  font-family:'Playfair Display', serif;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin: 0 0 10px;
}
.tool-header p{ color: var(--text-muted); max-width: 560px; margin: 0 auto; }

.tool-app{
  max-width: 640px;
  margin: 30px auto 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.tool-app.wide{ max-width: 820px; }

.field{ margin-bottom: 18px; }
.field label{
  display:block; font-size:.82rem; color: var(--text-muted);
  margin-bottom: 7px; letter-spacing:.3px;
}
.field input[type=text],
.field input[type=number],
.field input[type=date],
.field input[type=password],
.field select,
.field textarea{
  width:100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea{ resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color: var(--gold-dark); box-shadow: 0 0 0 3px var(--gold-glow);
}
.row2{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.row3{ display:grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media (max-width: 520px){ .row2, .row3{ grid-template-columns: 1fr; } }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 13px 26px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--gold-light), var(--gold-dark));
  color: #0a0a0a;
  font-weight: 600;
  font-size: .95rem;
  border: none;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
  width: 100%;
}
.btn:hover{ transform: translateY(-2px); box-shadow: 0 8px 24px var(--gold-glow); }
.btn:active{ transform: translateY(0); }
.btn.secondary{
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn.secondary:hover{ border-color: var(--gold-dark); box-shadow:none; }
.btn-row{ display:flex; gap:10px; }
.btn-row .btn{ width:auto; flex:1; }

.result-box{
  margin-top: 22px;
  padding: 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  text-align:center;
  display:none;
}
.result-box.active{ display:block; animation: fadeDown .25s var(--ease); }
.result-box .big{
  font-family:'Playfair Display', serif;
  font-size: 2rem;
  color: var(--gold-light);
  word-break: break-word;
}
.result-box .label{ color: var(--text-dim); font-size:.78rem; text-transform:uppercase; letter-spacing:1px; margin-bottom:6px; }
.result-box .sub{ color: var(--text-muted); font-size:.88rem; margin-top:6px; }

.copy-btn{
  margin-top: 12px;
  background:none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: .78rem;
  cursor: pointer;
  transition: all .2s;
}
.copy-btn:hover{ border-color: var(--gold-dark); color: var(--gold-light); }

.badge-strength{
  display:inline-block; padding: 4px 12px; border-radius:999px; font-size:.75rem; font-weight:600; margin-top:6px;
}
.badge-weak{ background: rgba(224,90,90,.15); color: var(--danger); }
.badge-medium{ background: rgba(212,175,55,.15); color: var(--gold-light); }
.badge-strong{ background: rgba(76,208,138,.15); color: var(--success); }

/* checkboxes */
.check-list{ display:flex; flex-direction:column; gap:10px; margin-bottom: 18px; }
.check-item{
  display:flex; align-items:center; gap:10px;
  font-size:.9rem; color: var(--text-muted);
  cursor:pointer;
  user-select:none;
}
.check-item input{ accent-color: var(--gold); width:17px; height:17px; }

/* stopwatch/timer big display */
.timer-display{
  font-family:'Playfair Display', serif;
  font-size: clamp(2.6rem, 9vw, 4.2rem);
  text-align:center;
  color: var(--gold-light);
  letter-spacing: 2px;
  margin: 20px 0;
  font-variant-numeric: tabular-nums;
}
.laps{ max-height: 200px; overflow-y:auto; margin-top: 14px; }
.laps div{
  display:flex; justify-content:space-between;
  padding: 8px 4px; border-bottom: 1px solid var(--border-soft);
  font-size: .88rem; color: var(--text-muted);
}

#qr-canvas-wrap{ display:flex; justify-content:center; margin: 20px 0; }
#qr-canvas-wrap img, #qr-canvas-wrap canvas{
  background:#fff; padding: 14px; border-radius: 10px;
}

/* ==========================================================================
   INFO / FAQ / CONTENT BLOCKS
   ========================================================================== */
.info-block{
  max-width: 820px;
  margin: 46px auto 0;
}
.info-block h2{
  font-family:'Playfair Display', serif;
  font-size: 1.4rem;
  margin-bottom: 14px;
  color: var(--gold-light);
}
.info-block p{ color: var(--text-muted); font-size:.94rem; margin-bottom:14px; }

.faq-item{
  border-bottom: 1px solid var(--border-soft);
}
.faq-q{
  width:100%;
  background:none; border:none;
  color: var(--text);
  text-align:left;
  padding: 18px 0;
  font-size: 1rem;
  font-weight:500;
  cursor:pointer;
  display:flex; justify-content:space-between; align-items:center;
  gap: 14px;
}
.faq-q:hover{ color: var(--gold-light); }
.faq-q .icon{ transition: transform .25s var(--ease); color: var(--gold); flex-shrink:0; }
.faq-item.open .faq-q .icon{ transform: rotate(45deg); }
.faq-a{
  max-height:0;
  overflow:hidden;
  color: var(--text-muted);
  font-size:.9rem;
  transition: max-height .3s var(--ease), padding .3s var(--ease);
}
.faq-item.open .faq-a{ padding-bottom: 18px; }

/* ==========================================================================
   RELATED TOOLS
   ========================================================================== */
.related{ margin-top: 50px; }
.related h2{
  font-family:'Playfair Display', serif;
  font-size: 1.3rem;
  text-align:center;
  margin-bottom: 22px;
}
.related-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{
  border-top: 1px solid var(--border-soft);
  padding: 50px 0 30px;
  margin-top: 60px;
  background: var(--bg-soft);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 34px;
}
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
.footer-grid h4{
  font-size:.78rem; text-transform:uppercase; letter-spacing:1.5px;
  color: var(--gold-light); margin-bottom: 14px;
}
.footer-grid ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:9px; }
.footer-grid a{ color: var(--text-dim); font-size:.86rem; transition: color .2s; }
.footer-grid a:hover{ color: var(--gold-light); }
.footer-brand p{ color: var(--text-dim); font-size:.86rem; max-width: 280px; }
.footer-bottom{
  border-top: 1px solid var(--border-soft);
  padding-top: 22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  color: var(--text-dim); font-size: .78rem;
}

/* ==========================================================================
   RESPONSIVE NAV
   ========================================================================== */
@media (max-width: 860px){
  .main-nav{
    position: fixed; top: 66px; left:0; right:0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px 22px;
    gap: 14px;
    display:none;
    z-index: 99;
  }
  .main-nav.open{ display:flex; animation: fadeDown .2s var(--ease); }
  .nav-toggle{ display:flex; }
  .nav-search{ display:none; }
}

/* Fade-in on load */
.fade-up{ animation: fadeUp .5s var(--ease) both; }
@keyframes fadeUp{ from{ opacity:0; transform: translateY(14px);} to{ opacity:1; transform:none; } }