/* ==========================================================
   GRUPO SOLVION — Design System
   ========================================================== */

:root{
  --bg: #05070c;
  --bg-2: #0a0f18;
  --panel: #0c121c;
  --ink: #f4f7fb;
  --ink-dim: #92a0b3;
  --ink-faint: #5b6779;
  --cyan: #2fd9ee;
  --blue: #2a6df0;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.14);
  --radius: 16px;
  --container: 1180px;
  --sub-color: var(--cyan); /* overridden per submarca page */
}

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

body{
  margin:0;
  background: radial-gradient(ellipse 120% 60% at 50% 0%, #0b1420 0%, var(--bg) 55%);
  color: var(--ink);
  font-family:'Inter', sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

h1,h2,h3,h4{
  font-family:'Sora', sans-serif;
  font-weight:700;
  letter-spacing:-0.01em;
  margin:0;
}

.eyebrow{
  font-size:.72rem; letter-spacing:.28em; text-transform:uppercase;
  color: var(--ink-dim); font-weight:600;
}
.eyebrow.accent{ color: var(--sub-color); }

.container{ max-width: var(--container); margin:0 auto; padding:0 6vw; }

.noise{
  position:fixed; inset:0; pointer-events:none; z-index:0; opacity:.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 14px 26px; border-radius: 999px;
  font-family:'Sora', sans-serif; font-weight:600; font-size:.92rem;
  border:1px solid var(--line-strong);
  transition: all .3s ease;
  cursor:pointer;
}
.btn.primary{
  background: linear-gradient(100deg, var(--cyan), var(--blue));
  color:#04101a; border:none;
}
.btn.primary:hover{ filter:brightness(1.1); transform:translateY(-2px); box-shadow:0 10px 30px rgba(47,217,238,.25); }
.btn.ghost{ color:var(--ink); background:transparent; }
.btn.ghost:hover{ border-color: var(--sub-color); color:var(--sub-color); }

/* ---------- header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(5,7,12,.72);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 6vw;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:32px; width:auto; }
.brand span{ font-family:'Sora',sans-serif; font-weight:700; letter-spacing:.03em; font-size:1.02rem; }

.nav-links{ display:flex; align-items:center; gap: 34px; }
.nav-links a{
  font-size:.86rem; font-weight:500; color: var(--ink-dim);
  position:relative; padding: 6px 0; transition: color .25s ease;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:0; height:2px; width:0;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  transition: width .3s ease;
}
.nav-links a:hover, .nav-links a.active{ color: var(--ink); }
.nav-links a:hover::after, .nav-links a.active::after{ width:100%; }

.nav-cta{ display:flex; align-items:center; gap:18px; }
.burger{ display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; padding:6px; }
.burger span{ width:22px; height:2px; background:var(--ink); display:block; }

.mobile-menu{
  display:none; flex-direction:column; gap:2px;
  background: var(--bg-2); border-bottom:1px solid var(--line);
  padding: 10px 6vw 20px;
}
.mobile-menu a{ padding:12px 0; border-bottom:1px solid var(--line); color:var(--ink-dim); font-size:.95rem; }
.mobile-menu.open{ display:flex; }

@media (max-width: 880px){
  .nav-links, .nav-cta .btn{ display:none; }
  .burger{ display:flex; }
}

/* ---------- hero (generic, reused across pages) ---------- */
.page-hero{
  position:relative; padding: 9vh 6vw 7vh; text-align:center; overflow:hidden;
}
.page-hero::before{
  content:''; position:absolute; inset:-20% -10% auto -10%; height:420px;
  background: radial-gradient(ellipse at center, rgba(47,217,238,.14), transparent 65%);
  pointer-events:none;
}
.page-hero h1{
  font-size: clamp(2.1rem, 5vw, 3.4rem); line-height:1.08; margin: 18px 0 16px;
}
.page-hero h1 span{
  background: linear-gradient(100deg, var(--cyan), var(--blue));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.page-hero p{ max-width:600px; margin:0 auto; color: var(--ink-dim); font-size:1.05rem; line-height:1.65; }

/* ---------- sections ---------- */
section{ position:relative; z-index:1; padding: 8vh 0; }
.section-head{ text-align:center; max-width:640px; margin:0 auto 5vh; }
.section-head h2{ font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-top:14px; }
.section-head p{ color:var(--ink-dim); margin-top:14px; line-height:1.6; }

.divider-line{ height:1px; background: var(--line); max-width:var(--container); margin:0 auto; }

/* ---------- cards ---------- */
.grid{ display:grid; gap: 26px; }
.grid.cols-2{ grid-template-columns: repeat(2,1fr); }
.grid.cols-3{ grid-template-columns: repeat(3,1fr); }
.grid.cols-4{ grid-template-columns: repeat(4,1fr); }
@media (max-width: 900px){ .grid.cols-2,.grid.cols-3,.grid.cols-4{ grid-template-columns: 1fr; } }

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,0));
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.card:hover{
  transform: translateY(-6px);
  border-color: rgba(47,217,238,.35);
  box-shadow: 0 20px 50px rgba(0,0,0,.4);
}
.card .icon{
  width:46px; height:46px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(140deg, rgba(47,217,238,.16), rgba(42,109,240,.10));
  border:1px solid rgba(47,217,238,.25);
  margin-bottom:18px; font-size:1.3rem;
}
.card h3{ font-size:1.08rem; margin-bottom:10px; }
.card p{ color:var(--ink-dim); font-size:.92rem; line-height:1.6; margin:0; }

/* ---------- ecosystem card (home) ---------- */
.eco-card{
  display:flex; align-items:center; gap:22px;
  background: var(--panel); border:1px solid var(--line-strong);
  border-radius: 20px; padding: 28px 32px;
  transition: all .35s ease;
}
.eco-card:hover{
  border-color: var(--sub-color);
  box-shadow: 0 0 50px -10px var(--sub-color);
  transform: translateY(-4px);
}
.eco-card .logo-badge{
  width:64px; height:64px; border-radius:16px; flex:none;
  background:#070b12; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; padding:10px;
}
.eco-card .txt h3{ font-size:1.15rem; margin-bottom:4px; }
.eco-card .txt p{ color:var(--ink-dim); font-size:.88rem; margin:0; }
.eco-card .arrow{ margin-left:auto; color:var(--sub-color); font-size:1.3rem; transition: transform .3s ease; }
.eco-card:hover .arrow{ transform: translateX(6px); }

/* ---------- stats bar ---------- */
.stats{
  display:grid; grid-template-columns: repeat(4,1fr); gap: 20px;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding: 40px 0;
}
.stats .stat{ text-align:center; }
.stats .stat b{
  display:block; font-family:'Sora',sans-serif; font-size:2.1rem; font-weight:800;
  background: linear-gradient(100deg, var(--cyan), var(--blue));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.stats .stat span{ font-size:.78rem; color:var(--ink-dim); letter-spacing:.08em; text-transform:uppercase; }
@media (max-width:700px){ .stats{ grid-template-columns: repeat(2,1fr); } }

/* ---------- pillars strip ---------- */
.pillars{ display:flex; flex-wrap:wrap; justify-content:center; gap:10px 0; }
.pillars span{
  font-family:'Sora',sans-serif; font-size:.72rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--ink-dim); padding:0 22px; border-right:1px solid var(--line);
}
.pillars span:last-child{ border-right:none; }

/* ---------- empty state (proyectos) ---------- */
.empty-state{
  text-align:center; padding: 8vh 6vw; border:1px dashed var(--line-strong);
  border-radius: var(--radius); max-width:640px; margin:0 auto;
}
.empty-state .icon{ font-size:2.4rem; margin-bottom:18px; }
.empty-state h3{ margin-bottom:10px; }
.empty-state p{ color:var(--ink-dim); line-height:1.6; }

/* ---------- forms ---------- */
.form-grid{ display:grid; gap:18px; grid-template-columns: 1fr 1fr; }
.form-grid .full{ grid-column: 1 / -1; }
@media (max-width:700px){ .form-grid{ grid-template-columns:1fr; } }

label{ font-size:.78rem; color:var(--ink-dim); letter-spacing:.04em; display:block; margin-bottom:8px; }
input, select, textarea{
  width:100%; background: var(--panel); border:1px solid var(--line-strong);
  border-radius:10px; padding:13px 15px; color:var(--ink); font-family:'Inter',sans-serif; font-size:.94rem;
  transition: border-color .25s ease;
}
input:focus, select:focus, textarea:focus{ outline:none; border-color: var(--cyan); }
textarea{ resize:vertical; min-height:130px; }

.alert{
  padding:16px 20px; border-radius:12px; font-size:.9rem; margin-bottom: 24px;
}
.alert.success{ background: rgba(47,217,238,.1); border:1px solid rgba(47,217,238,.4); color:#bff2fa; }
.alert.error{ background: rgba(240,80,80,.1); border:1px solid rgba(240,80,80,.4); color:#ffc9c9; }

/* ---------- footer ---------- */
footer.site-footer{
  border-top:1px solid var(--line); padding: 7vh 6vw 4vh; position:relative; z-index:1;
}
.footer-grid{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  max-width: var(--container); margin:0 auto 5vh;
}
.footer-grid .brand-col img{ height:34px; margin-bottom:14px; }
.footer-grid .brand-col p{ color:var(--ink-dim); font-size:.86rem; line-height:1.6; max-width:280px; }
.footer-grid h4{ font-size:.76rem; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:16px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px; }
.footer-grid a{ color:var(--ink-dim); font-size:.9rem; transition:color .25s ease; }
.footer-grid a:hover{ color: var(--cyan); }
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr; } }

.footer-bottom{
  max-width:var(--container); margin:0 auto; padding-top:24px; border-top:1px solid var(--line);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:.78rem; color:var(--ink-faint);
}

/* ---------- hero slider ---------- */
.slider{
  position:relative;
  margin: 0 6vw;
  height: 58vh; min-height:420px; max-height:600px;
  border-radius: 24px; overflow:hidden;
  border:1px solid var(--line-strong);
  background: linear-gradient(150deg, #0b1420 0%, #060a10 70%);
}
.slide{
  position:absolute; inset:0;
  display:grid; grid-template-columns: 1fr 1fr; align-items:center;
  padding: 0 5vw;
  opacity:0; visibility:hidden; transform: scale(1.02);
  transition: opacity .9s ease, transform 1.1s ease, visibility 0s linear .9s;
}
.slide.active{
  opacity:1; visibility:visible; transform:scale(1);
  transition: opacity .9s ease, transform 1.1s ease, visibility 0s linear 0s;
  z-index:2;
}
.slide .slide-txt .tag{
  font-size:.7rem; letter-spacing:.26em; text-transform:uppercase; font-weight:600;
  color: var(--slide-color, var(--cyan)); margin-bottom:14px; display:block;
}
.slide .slide-txt h3{ font-size: clamp(1.5rem, 2.8vw, 2.2rem); line-height:1.18; margin-bottom:14px; }
.slide .slide-txt p{ color: var(--ink-dim); line-height:1.65; max-width:380px; font-size:.95rem; }
.slide .slide-art{ display:flex; align-items:center; justify-content:center; height:100%; }
.slide .slide-art svg{ width:min(85%, 320px); height:auto; filter: drop-shadow(0 10px 40px rgba(0,0,0,.5)); }

.slider-controls{
  position:absolute; left:0; right:0; bottom:22px; z-index:3;
  display:flex; align-items:center; justify-content:center; gap:10px;
}
.slider-dot{
  width:8px; height:8px; border-radius:50%; background: rgba(255,255,255,.25);
  border:none; cursor:pointer; transition: all .3s ease; padding:0;
}
.slider-dot.active{ width:26px; border-radius:5px; background: linear-gradient(90deg, var(--cyan), var(--blue)); }

.slider-arrow{
  position:absolute; top:50%; transform:translateY(-50%); z-index:3;
  width:44px; height:44px; border-radius:50%;
  background: rgba(5,7,12,.55); border:1px solid var(--line-strong);
  color:var(--ink); display:flex; align-items:center; justify-content:center;
  cursor:pointer; font-size:1.1rem; backdrop-filter: blur(6px);
  transition: all .25s ease;
}
.slider-arrow:hover{ border-color: var(--cyan); color: var(--cyan); }
.slider-arrow.prev{ left:18px; }
.slider-arrow.next{ right:18px; }

@media (max-width: 780px){
  .slide{ grid-template-columns:1fr; padding: 8% 8%; text-align:center; }
  .slide .slide-txt{ order:2; }
  .slide .slide-art{ order:1; height:auto; padding-top:6%; }
  .slide .slide-txt p{ margin:0 auto; }
  .slider{ height:560px; min-height:560px; max-height:none; }
}

/* ---------- clients marquee ---------- */
.clients-wrap{ overflow:hidden; position:relative; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.clients-track{
  display:flex; align-items:center; gap:0; width:max-content;
  animation: marquee 28s linear infinite;
}
.clients-wrap:hover .clients-track{ animation-play-state: paused; }
@keyframes marquee{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

.client-chip{
  display:flex; align-items:center; gap:10px;
  padding: 0 48px; white-space:nowrap;
  font-family:'Sora', sans-serif; font-weight:700; font-size:1.15rem;
  color: var(--ink-faint); letter-spacing:.02em;
  transition: color .3s ease;
}
.client-chip .dot{ width:7px; height:7px; border-radius:50%; background: var(--cyan); opacity:.6; }
.client-chip:hover{ color: var(--ink); }

/* ---------- reveal on scroll ---------- */
.reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }