@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;600;700&family=Roboto+Slab:wght@400;600;700&display=swap');

:root{
  --bg-void:#0a0a0b;
  --bg-dark:#0f0f10;
  --bg-elevated:#161618;
  --bg-card:#1c1c1f;
  --bg-card-hover:#232326;
  --card-border:#2a2a2e;
  --card-border-hover:#3a3a40;
  --text-light:#f5f5f7;
  --text-muted:#9a9aa2;
  --text-faint:#6b6b74;
  --primary:#FF1A1A;
  --primary-hover:#FF3838;
  --primary-dim:#C00000;
  --primary-glow:rgba(255,26,26,0.35);
  --success:#2ecc71;
  --success-bg:#0f2818;
  --warning:#f5a623;
  --warning-bg:#2b2110;
  --font-heading:'Roboto Slab',serif;
  --font-body:'Roboto',-apple-system,sans-serif;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --ease:cubic-bezier(.22,1,.36,1);
  --shadow-card:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -8px rgba(0,0,0,.5);
  --shadow-hover:0 4px 12px rgba(0,0,0,.5), 0 20px 40px -12px rgba(255,26,26,.15);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}

body{
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255,26,26,0.08), transparent),
    var(--bg-void);
  color:var(--text-light);
  font-family:var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}

::selection{background:var(--primary);color:#fff;}

/* ---------- Header ---------- */
header.site-header{
  padding:20px 40px;
  border-bottom:1px solid var(--card-border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(10,10,11,0.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}

header.site-header .logo{
  font-family:var(--font-heading);
  font-weight:700;
  font-size:1.3rem;
  color:var(--text-light);
  text-decoration:none;
  letter-spacing:-0.01em;
  display:flex;
  align-items:center;
  gap:8px;
}
header.site-header .logo span{color:var(--primary);}
header.site-header .logo .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 12px var(--primary-glow);
}

nav{display:flex;align-items:center;gap:8px;}
nav a{
  color:var(--text-muted);
  text-decoration:none;
  padding:8px 16px;
  font-size:0.9rem;
  font-weight:500;
  border-radius:var(--radius-sm);
  transition:all .2s var(--ease);
}
nav a:hover{color:var(--text-light);background:var(--bg-elevated);}

/* ---------- Layout ---------- */
main{max-width:1100px;margin:0 auto;padding:56px 24px;}

.hero{text-align:center;padding:80px 24px 64px;position:relative;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-size:0.8rem;font-weight:600;
  text-transform:uppercase;letter-spacing:0.08em;
  margin-bottom:20px;
  padding:6px 14px;
  border:1px solid rgba(255,26,26,0.3);
  border-radius:999px;
  background:rgba(255,26,26,0.06);
}
.hero h1{
  font-family:var(--font-heading);
  font-weight:700;
  font-size:clamp(2.2rem, 5vw, 3.4rem);
  line-height:1.1;
  letter-spacing:-0.02em;
  margin-bottom:20px;
}
.hero p{color:var(--text-muted);font-size:1.15rem;max-width:600px;margin:0 auto;}

/* ---------- Service cards ---------- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
  margin-top:56px;
}

.service-card{
  background:linear-gradient(160deg, var(--bg-card), var(--bg-elevated));
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  padding:32px;
  transition:transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
  text-decoration:none;
  color:var(--text-light);
  display:flex;
  flex-direction:column;
  gap:14px;
  position:relative;
  overflow:hidden;
}
.service-card::before{
  content:'';
  position:absolute; inset:0;
  background:radial-gradient(circle at 30% 0%, rgba(255,26,26,0.12), transparent 60%);
  opacity:0;
  transition:opacity .35s var(--ease);
}
.service-card:hover{
  transform:translateY(-6px);
  border-color:var(--card-border-hover);
  box-shadow:var(--shadow-hover);
}
.service-card:hover::before{opacity:1;}
.service-card .icon{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,26,26,0.1);
  border-radius:var(--radius-sm);
  color:var(--primary);
  position:relative; z-index:1;
}
.service-card .icon svg{width:22px;height:22px;}
.service-card h2{
  font-family:var(--font-heading);
  font-weight:600;
  font-size:1.25rem;
  position:relative; z-index:1;
}
.service-card p{color:var(--text-muted);font-size:0.92rem;position:relative;z-index:1;}
.service-card .arrow{
  margin-top:auto;
  color:var(--primary);
  font-weight:600;font-size:0.85rem;
  display:flex;align-items:center;gap:6px;
  position:relative; z-index:1;
  transition:gap .25s var(--ease);
}
.service-card:hover .arrow{gap:10px;}

/* ---------- Forms ---------- */
form.intake-form{
  background:var(--bg-card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  padding:36px;
  max-width:640px;
  margin:32px auto 0;
  box-shadow:var(--shadow-card);
}

.intake-form label{
  display:block;
  margin-bottom:7px;
  font-size:0.85rem;
  font-weight:500;
  color:var(--text-muted);
}

.intake-form input,
.intake-form select,
.intake-form textarea{
  width:100%;
  padding:13px 16px;
  margin-bottom:20px;
  background:var(--bg-void);
  border:1px solid var(--card-border);
  border-radius:var(--radius-sm);
  color:var(--text-light);
  font-family:var(--font-body);
  font-size:0.95rem;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.intake-form input:focus,
.intake-form select:focus,
.intake-form textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-glow);
}

.intake-form textarea{min-height:120px;resize:vertical;}

.btn-submit{
  background:linear-gradient(135deg, var(--primary), var(--primary-dim));
  color:#fff;
  border:none;
  border-radius:var(--radius-sm);
  padding:15px 28px;
  font-size:1rem;
  font-weight:600;
  cursor:pointer;
  width:100%;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), filter .2s var(--ease);
  box-shadow:0 4px 16px -4px var(--primary-glow);
}
.btn-submit:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 8px 24px -6px var(--primary-glow);}
.btn-submit:active{transform:translateY(0);}
.btn-submit:disabled{opacity:0.5;cursor:not-allowed;transform:none;}

.form-msg{
  margin-top:16px;
  padding:14px 16px;
  border-radius:var(--radius-sm);
  font-size:0.9rem;
  display:none;
  animation:slideIn .3s var(--ease);
}
.form-msg.success{display:block;background:var(--success-bg);color:#7be79a;border:1px solid #1f6b3a;}
.form-msg.error{display:block;background:#3a1212;color:#ff9b9b;border:1px solid #6b1f1f;}
@keyframes slideIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}

.back-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-bottom:28px;color:var(--text-muted);text-decoration:none;
  font-size:0.9rem;font-weight:500;
  transition:color .2s var(--ease), gap .2s var(--ease);
}
.back-link:hover{color:var(--text-light);gap:10px;}

.hint{font-size:0.78rem;color:var(--text-faint);margin:-14px 0 18px;}

footer{
  text-align:center;
  padding:40px;
  color:var(--text-faint);
  font-size:0.85rem;
  border-top:1px solid var(--card-border);
  margin-top:80px;
}

/* ---------- Admin panel ---------- */
.app-shell{display:flex;min-height:100vh;}

.sidebar{
  width:240px;
  flex-shrink:0;
  background:var(--bg-dark);
  border-right:1px solid var(--card-border);
  padding:24px 16px;
  display:flex;
  flex-direction:column;
  gap:4px;
  position:sticky;
  top:0;
  height:100vh;
}
.sidebar .logo{
  font-family:var(--font-heading);font-weight:700;font-size:1.15rem;
  padding:8px 12px 24px;
  display:flex;align-items:center;gap:8px;
  color:var(--text-light);text-decoration:none;
}
.sidebar .logo span{color:var(--primary);}
.sidebar a.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-radius:var(--radius-sm);
  color:var(--text-muted);
  text-decoration:none;
  font-size:0.9rem;font-weight:500;
  transition:all .2s var(--ease);
}
.sidebar a.nav-item:hover{background:var(--bg-elevated);color:var(--text-light);}
.sidebar a.nav-item.active{background:rgba(255,26,26,0.1);color:var(--primary);}
.sidebar .spacer{flex:1;}

.admin-main{flex:1;padding:40px 48px;max-width:1600px;}
.admin-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:32px;}
.admin-header h1{font-family:var(--font-heading);font-weight:700;font-size:1.8rem;letter-spacing:-0.01em;}

.board{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start;}
.col{background:var(--bg-elevated);border:1px solid var(--card-border);border-radius:var(--radius-md);padding:16px;}
.col-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding:4px 6px;}
.col-head h2{font-size:0.85rem;font-weight:600;text-transform:uppercase;letter-spacing:0.04em;color:var(--text-muted);}
.col-count{
  background:var(--bg-card);color:var(--text-muted);
  font-size:0.75rem;font-weight:600;
  padding:2px 9px;border-radius:999px;
}
.col[data-status="cotizado"] .col-count{background:var(--warning-bg);color:var(--warning);}
.col[data-status="pagado"] .col-count{background:var(--success-bg);color:var(--success);}

.req-card{
  background:var(--bg-card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-sm);
  padding:14px;
  margin-bottom:10px;
  text-decoration:none;
  color:var(--text-light);
  display:block;
  transition:transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.req-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-hover);}
.req-card .svc{
  font-size:0.7rem;color:var(--primary);text-transform:uppercase;
  font-weight:700;letter-spacing:0.04em;margin-bottom:6px;
}
.req-card .cli{font-weight:600;font-size:0.92rem;margin-bottom:4px;}
.req-card .price{color:var(--text-muted);font-size:0.85rem;font-weight:500;}
.req-card .price b{color:var(--success);}
.empty-col{
  color:var(--text-faint);font-size:0.82rem;
  text-align:center;padding:24px 8px;
  border:1px dashed var(--card-border);border-radius:var(--radius-sm);
}

.field{margin-bottom:16px;}
.field b{color:var(--text-muted);display:block;font-size:0.78rem;font-weight:600;text-transform:uppercase;letter-spacing:0.03em;margin-bottom:4px;}

.status-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:0.78rem;font-weight:600;
  background:var(--bg-card);border:1px solid var(--card-border);
  text-transform:capitalize;
}

.price-box{
  background:linear-gradient(160deg, var(--bg-card), var(--bg-elevated));
  border:1px solid var(--primary);
  border-radius:var(--radius-lg);
  padding:28px;text-align:center;margin:28px 0;
  box-shadow:0 0 40px -12px var(--primary-glow);
}
.price-box .amount{font-size:2.4rem;font-family:var(--font-heading);font-weight:700;color:var(--primary);}

@media (max-width:900px){
  .board{grid-template-columns:1fr 1fr;}
  .sidebar{width:76px;}
  .sidebar .nav-item span.label{display:none;}
  .admin-main{padding:24px;}
}
@media (max-width:600px){
  .board{grid-template-columns:1fr;}
  header.site-header{padding:16px 20px;}
  main{padding:32px 16px;}
}

/* ---------- Chat widget ---------- */
#chat-toggle{
  position:fixed; bottom:24px; right:24px; z-index:100;
  width:60px; height:60px; border-radius:50%;
  background:linear-gradient(135deg, var(--primary), var(--primary-dim));
  color:#fff; border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 24px -6px var(--primary-glow), 0 2px 8px rgba(0,0,0,.4);
  transition:transform .25s var(--ease);
}
#chat-toggle:hover{transform:scale(1.06);}
#chat-toggle svg{width:26px;height:26px;transition:opacity .15s ease, transform .15s ease;}
#chat-toggle .icon-close{position:absolute;opacity:0;transform:rotate(-90deg);}
#chat-toggle.open .icon-chat{opacity:0;transform:rotate(90deg);}
#chat-toggle.open .icon-close{opacity:1;transform:rotate(0);}

#chat-window{
  position:fixed; bottom:100px; right:24px; z-index:100;
  width:360px; max-width:calc(100vw - 32px);
  height:480px; max-height:calc(100vh - 140px);
  background:var(--bg-elevated);
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  box-shadow:0 20px 60px -12px rgba(0,0,0,.6);
  display:flex; flex-direction:column;
  overflow:hidden;
  opacity:0; transform:translateY(16px) scale(0.97);
  pointer-events:none;
  transition:opacity .25s var(--ease), transform .25s var(--ease);
}
#chat-window.open{opacity:1; transform:translateY(0) scale(1); pointer-events:auto;}

#chat-header{
  padding:16px 18px; border-bottom:1px solid var(--card-border);
  display:flex; align-items:center; gap:10px;
  background:var(--bg-card);
}
#chat-header .avatar{
  width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg, var(--primary), var(--primary-dim));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:0.85rem;
}
#chat-header .info b{font-size:0.9rem;display:block;}
#chat-header .info span{font-size:0.75rem;color:var(--success);display:flex;align-items:center;gap:4px;}
#chat-header .info span::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--success);}

#chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;}
.chat-msg{max-width:82%;padding:10px 14px;border-radius:14px;font-size:0.88rem;line-height:1.5;animation:slideIn .25s var(--ease);}
.chat-msg.bot{background:var(--bg-card);border:1px solid var(--card-border);align-self:flex-start;border-bottom-left-radius:4px;}
.chat-msg.user{background:linear-gradient(135deg, var(--primary), var(--primary-dim));color:#fff;align-self:flex-end;border-bottom-right-radius:4px;}
.chat-msg.typing{display:flex;gap:4px;padding:14px;}
.chat-msg.typing span{width:6px;height:6px;border-radius:50%;background:var(--text-faint);animation:typingDot 1.2s infinite ease-in-out;}
.chat-msg.typing span:nth-child(2){animation-delay:.15s;}
.chat-msg.typing span:nth-child(3){animation-delay:.3s;}
@keyframes typingDot{0%,60%,100%{opacity:.3;transform:translateY(0);}30%{opacity:1;transform:translateY(-3px);}}

#chat-form{display:flex;gap:8px;padding:14px;border-top:1px solid var(--card-border);background:var(--bg-card);}
#chat-input{
  flex:1; background:var(--bg-void); border:1px solid var(--card-border);
  border-radius:999px; padding:10px 16px; color:var(--text-light);
  font-family:var(--font-body); font-size:0.88rem;
}
#chat-input:focus{outline:none;border-color:var(--primary);}
#chat-send{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:var(--primary); border:none; color:#fff; cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:transform .15s var(--ease);
}
#chat-send:hover{transform:scale(1.08);}
#chat-send:disabled{opacity:.5;cursor:not-allowed;}

@media (max-width:480px){
  #chat-window{right:16px;left:16px;width:auto;bottom:92px;}
  #chat-toggle{right:16px;bottom:16px;}
}