/* =========================================================================
   styles.css — DTA Sistemas Linktree
   ========================================================================= */

:root{
  --bg-deep: #0a1a2f;
  --bg-deep-2: #0d2138;
  --card-navy: #13273f;
  --card-navy-border: #1e3a56;
  --card-light: #f4f4f0;
  --card-light-text: #1a1a1a;
  --green: #3fa447;
  --green-light: #58c25f;
  --green-dark: #2f7d36;
  --text-white: #ffffff;
  --text-dim: #9fb3c8;
  --icon-blue: #4a90d9;
  --icon-purple: #8b6fd8;
  --icon-orange: #e08a3c;
  --icon-teal: #3fb5b0;
  --radius-lg: 18px;
  --radius-full: 999px;
  --max-width: 480px;
}

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

html{ scroll-behavior: smooth; }

body{
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(63,164,71,0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(74,144,217,0.06) 0%, transparent 40%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-deep-2) 100%);
  color: var(--text-white);
  min-height: 100vh;
  display:flex;
  justify-content:center;
  padding: 20px 0 60px;
}

.page{
  width: 100%;
  max-width: var(--max-width);
  padding: 0 20px;
  position: relative;
}

/* Language switch */
.lang-switch{
  position:absolute;
  top: 0;
  right: 20px;
  display:flex;
  align-items:center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-full);
  padding: 4px;
  backdrop-filter: blur(6px);
  gap: 2px;
}
.lang-switch button{
  border:none;
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 6px 13px;
  border-radius: var(--radius-full);
  cursor:pointer;
  transition: background .2s ease, color .2s ease;
}
.lang-switch button.active{
  background: var(--green);
  color: #fff;
}
.lang-switch button:not(.active):hover{
  color: var(--text-white);
}

/* Header / hero */
.hero{
  text-align:center;
  padding-top: 56px;
  animation: fadeIn .6s ease both;
}

.logo-ring{
  width: 118px;
  height: 118px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
  display:flex;
  align-items:center;
  justify-content:center;
  margin: 0 auto 20px;
  background: radial-gradient(circle at 30% 20%, rgba(63,164,71,0.15), transparent 70%);
}
.logo-ring .logo-text{
  text-align:center;
  line-height: 1;
}
.logo-ring .logo-dta{
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: 1px;
}
.logo-ring .logo-dta span{ color: var(--green-light); }
.logo-ring .logo-sub{
  font-size: 0.5rem;
  letter-spacing: 3px;
  color: var(--text-dim);
  margin-top: 4px;
  font-weight: 600;
}

.brand-title{
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.tagline{
  color: var(--green-light);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.4;
  max-width: 320px;
  margin: 0 auto 14px;
}

.keywords{
  color: var(--text-dim);
  font-size: 0.92rem;
  margin-bottom: 26px;
}
.keywords .dot{ color: var(--green-light); margin: 0 6px; }

/* Quick contact icons */
.quick-actions{
  display:flex;
  justify-content: space-between;
  max-width: 400px;
  margin: 0 auto 30px;
}
.quick-actions a{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  color: var(--text-white);
  text-decoration:none;
  font-size: 0.72rem;
  font-weight: 600;
  flex: 1;
}
.quick-actions .circle{
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.35);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 1.15rem;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.quick-actions a:hover .circle{
  background: rgba(63,164,71,0.18);
  border-color: var(--green-light);
  transform: translateY(-3px);
}

/* Link cards */
.link-card{
  display:flex;
  align-items:center;
  gap: 16px;
  padding: 18px 18px;
  border-radius: var(--radius-lg);
  text-decoration:none;
  margin-bottom: 14px;
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
  cursor:pointer;
  border: 1px solid transparent;
}
.link-card:hover{ transform: translateY(-2px); filter: brightness(1.06); }
.link-card:active{ transform: translateY(0); }

.link-card.navy{
  background: var(--card-navy);
  color: var(--card-light);
  border-color: var(--card-navy-border);
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}
.link-card.green{
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: var(--card-light);
  box-shadow: 0 6px 18px rgba(63,164,71,0.35);
}
.link-card.light{
  background: var(--card-light);
  color: var(--card-light-text);
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
}

.link-card .icon-wrap{
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 1.3rem;
}
.link-card.navy .icon-wrap, .link-card.green .icon-wrap{
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.link-card.light .icon-wrap{
  background: rgba(0,0,0,0.05);
}
.icon-wrap.blue{ color: var(--icon-blue); }
.icon-wrap.purple{ color: var(--icon-purple); }
.icon-wrap.orange{ color: var(--icon-orange); }
.icon-wrap.teal{ color: var(--icon-teal); }
.icon-wrap.green-icon{ color: var(--green); }

.link-card .content{ flex: 1; min-width: 0; }
.link-card .content h3{
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 3px;
}
.link-card .content p{
  font-size: 0.83rem;
  line-height: 1.35;
  opacity: 0.85;
}
.link-card.light .content p{ opacity: 0.65; }

.link-card .chevron{
  font-size: 0.95rem;
  opacity: 0.6;
  flex-shrink:0;
}

.section-label{
  text-align:center;
  color: var(--text-white);
  font-weight: 800;
  letter-spacing: 2px;
  font-size: 0.82rem;
  margin: 30px 0 16px;
  opacity: 0.9;
}

/* Tabs switch: Servicios / Paquetes */
.tabs-switch{
  display:flex;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-full);
  padding: 4px;
  margin: 10px 0 20px;
}
.tabs-switch .tab-btn{
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 10px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.tabs-switch .tab-btn.active{
  background: var(--green);
  color: #fff;
  box-shadow: 0 3px 10px rgba(63,164,71,0.35);
}
.tabs-switch .tab-btn:not(.active):hover{
  color: var(--text-white);
}

.tab-panel{ display: none; }
.tab-panel.active{
  display: block;
  animation: fadeIn .35s ease both;
}

/* Industry icons row */
.industries{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin: 24px 0 4px;
}
.industries .industry{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 8px;
  color: var(--green-light);
}
.industries .circle{
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid var(--green);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 1.05rem;
  transition: transform .2s ease, background .2s ease;
}
.industries .industry:hover .circle{
  background: rgba(63,164,71,0.15);
  transform: translateY(-3px);
}
.industries span{
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--text-white);
  text-align:center;
  line-height:1.1;
}

/* CTA block */
.cta-block{
  background: var(--card-navy);
  border: 1px solid var(--card-navy-border);
  border-radius: var(--radius-lg);
  padding: 26px 22px 24px;
  text-align:center;
  margin: 26px 0 24px;
  position:relative;
}
.cta-block::before{
  content:"";
  position:absolute;
  top:0; left:50%;
  transform: translateX(-50%);
  width: 46px; height: 4px;
  background: var(--green);
  border-radius: 4px;
  margin-top: -2px;
}
.cta-block h3{
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.cta-block p{
  font-size: 0.87rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 20px;
}
.cta-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  width: 100%;
  padding: 15px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration:none;
  margin-bottom: 12px;
  border: none;
  cursor:pointer;
  transition: transform .18s ease, filter .18s ease;
}
.cta-btn:hover{ transform: translateY(-2px); filter: brightness(1.08); }
.cta-btn.primary{
  background: linear-gradient(135deg, var(--green-light), var(--green-dark));
  color: #fff;
  box-shadow: 0 6px 16px rgba(63,164,71,0.35);
}
.cta-btn.outline{
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.5);
  color: #fff;
}

/* Social icons */
.socials{
  display:flex;
  justify-content:center;
  gap: 16px;
  margin: 24px 0 30px;
}
.socials a{
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.35);
  display:flex;
  align-items:center;
  justify-content:center;
  color: #fff;
  text-decoration:none;
  font-size: 1.1rem;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.socials a:hover{
  background: rgba(63,164,71,0.18);
  border-color: var(--green-light);
  transform: translateY(-3px);
}

/* Footer */
.footer{
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 22px;
  display:flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content:space-between;
}
.footer .brand{
  display:flex;
  flex-direction:column;
  gap: 8px;
  min-width: 150px;
  flex: 1;
}
.footer .brand .flogo{
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 1px;
}
.footer .brand .flogo span{ color: var(--green-light); }
.footer .brand .fsub{
  font-size: 0.55rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  font-weight: 700;
}
.footer .brand p{
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.4;
  margin-top: 4px;
}
.footer .details{
  display:flex;
  flex-direction:column;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.footer .details div{
  display:flex;
  align-items:center;
  gap: 8px;
}
.footer .details i{
  color: var(--green-light);
  width: 14px;
  text-align:center;
}
.copyright{
  text-align:center;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 24px;
  opacity: 0.7;
}

@keyframes fadeIn{
  from{ opacity:0; transform: translateY(-8px); }
  to{ opacity:1; transform: translateY(0); }
}

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

/* Small phones */
@media (max-width: 360px){
  .quick-actions .circle{ width: 46px; height: 46px; font-size: 1rem; }
  .industries .circle{ width: 40px; height: 40px; font-size: 0.9rem; }
  .brand-title{ font-size: 1.4rem; }
  .logo-ring{ width: 100px; height: 100px; }
}

:focus-visible{
  outline: 2px solid var(--green-light);
  outline-offset: 3px;
}