/* =========================================================
   LS GROUP — Corporate Holding Website
   Design system: charcoal/navy + gold, inspired by brand mark
   ========================================================= */

:root{
  --navy-900:#2b383f;
  --navy-800:#33424a;
  --navy-700:#3e4f58;
  --navy-600:#55666f;
  --slate-500:#5b6672;
  --slate-400:#8993a0;
  --slate-200:#dbe0e6;
  --slate-100:#eef1f4;
  --bg:#f7f8fa;
  --white:#ffffff;
  --gold-700:#a8811c;
  --gold-600:#c9a227;
  --gold-500:#d9b545;
  --gold-300:#e9cd7a;
  --gold-100:#f2d98b;
  --gold-grad: linear-gradient(135deg, var(--gold-700) 0%, var(--gold-500) 45%, var(--gold-100) 100%);
  --text-dark:#1f2933;
  --text-muted:#5b6672;
  --border:#e4e7eb;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm: 0 1px 2px rgba(43,56,63,.06), 0 1px 1px rgba(43,56,63,.04);
  --shadow-md: 0 8px 24px rgba(43,56,63,.10);
  --shadow-lg: 0 20px 48px rgba(43,56,63,.16);
  --maxw: 1180px;
  --font: "Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text-dark);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:88px 0;}
section.tight{padding:56px 0;}

.eyebrow{
  display:inline-block;
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-700);
  margin-bottom:14px;
}
.section-head{max-width:720px;margin:0 0 48px;}
.section-head h2{font-size:clamp(1.7rem,2.6vw,2.4rem);color:var(--navy-800);}
.section-head p{color:var(--text-muted);font-size:1.05rem;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:.2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--navy-800);color:#fff;}
.btn-primary:hover{background:var(--navy-900);}
.btn-gold{background:var(--gold-grad);color:var(--navy-900);}
.btn-gold:hover{filter:brightness(1.06);}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-outline-dark{border-color:var(--navy-600);color:var(--navy-800);background:transparent;}
.btn-outline-dark:hover{background:var(--navy-800);color:#fff;}
.btn-sm{padding:9px 18px;font-size:.85rem;}
.btn-block{width:100%;}

/* ---------- Header / Nav ----------
   Efecto tipo udeweb.tech: transparente sobre el hero, se vuelve un panel
   "glass" (blur + fondo navy translúcido + sombra) al hacer scroll. */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;width:100%;
  background:transparent;
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  border-bottom:1px solid transparent;
  box-shadow:none;
  transition:background-color .4s ease, backdrop-filter .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.site-header.scrolled{
  background:rgba(43,56,63,.85);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 24px rgba(43,56,63,.18);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px;transition:height .4s ease;}
.site-header.scrolled .nav{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand img{height:46px;width:auto;transition:height .4s ease;}
.site-header.scrolled .brand img{height:38px;}
.brand-name{color:#fff;font-weight:700;font-size:1.05rem;letter-spacing:.01em;}
.brand-name span{color:var(--gold-300);}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;}
.nav-links a{
  color:rgba(255,255,255,.82);font-size:.88rem;font-weight:600;
  padding:10px 14px;border-radius:8px;transition:.15s;
}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.08);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer;}
.nav-links-actions{display:none;}

@media (max-width:980px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    background:rgba(43,56,63,.97);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    flex-direction:column;align-items:stretch;
    padding:8px 16px 20px;gap:2px;border-bottom:1px solid rgba(255,255,255,.08);
    opacity:0;transform:translateY(-8px) scale(.98);pointer-events:none;
    transition:opacity .2s ease, transform .2s ease;
  }
  .nav-links.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;}
  .nav-links a{padding:12px 10px;}
  .nav-toggle{display:block;}
  .brand-name{display:none;}
  .nav-actions{display:none;}
  .nav-links-actions{
    display:flex;flex-direction:column;gap:10px;
    margin-top:12px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);
  }
}

/* ---------- Hero ---------- */
.hero{
  background-color:var(--navy-900);
  background-image:
    linear-gradient(rgba(43,56,63,.90), rgba(43,56,63,.90)),
    url('../img/texture/libros-duotone.jpg');
  background-size:auto, 460px auto;
  background-repeat:no-repeat, repeat;
  background-position:center top, center top;
  color:#fff;padding:120px 0 100px;position:relative;overflow:hidden;
}
.hero .eyebrow{color:var(--gold-300);}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.6rem);color:#fff;max-width:920px;}
.hero h1 em{font-style:normal;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero .en-tagline{color:var(--slate-400);font-size:.95rem;letter-spacing:.03em;margin-top:-6px;margin-bottom:28px;}
.hero .lede{color:rgba(255,255,255,.78);font-size:1.15rem;max-width:640px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}

/* ---------- Cards ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-5{grid-template-columns:repeat(5,1fr);}
@media (max-width:900px){.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr;}}

.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);transition:.2s;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}

.division-card{
  background:linear-gradient(180deg,#fff, var(--slate-100));
  border:1px solid var(--border);border-radius:var(--radius);padding:30px;
}
.division-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;background:var(--gold-grad);
  color:var(--navy-900);font-weight:800;font-size:.95rem;margin-bottom:16px;
}
.division-card h3{font-size:1.15rem;color:var(--navy-800);}
.division-card p{color:var(--text-muted);font-size:.95rem;margin:0;}

/* ---------- Who we are / split ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
@media (max-width:860px){.split{grid-template-columns:1fr;}}

/* ---------- Key figures ---------- */
.kpi-band{background:var(--navy-900);color:#fff;}
.kpi-band .section-head h2{color:#fff;}
.kpi-band .section-head p{color:var(--slate-400);}
.kpi{text-align:center;padding:18px 10px;border-left:1px solid rgba(255,255,255,.1);}
.kpi:first-child{border-left:none;}
@media (max-width:700px){.kpi{border-left:none;border-top:1px solid rgba(255,255,255,.1);}}
.kpi .value{font-size:clamp(2rem,4vw,2.8rem);font-weight:800;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.kpi .label{color:rgba(255,255,255,.72);font-size:.92rem;margin-top:6px;}

/* ---------- Company fiche ---------- */
.company-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:.2s;}
.company-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.company-logo{height:120px;display:flex;align-items:center;justify-content:center;
  background:var(--slate-100);border-bottom:1px solid var(--border);padding:20px;}
.company-logo img{max-height:70px;max-width:80%;object-fit:contain;}
.company-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.company-body .sector-tag{
  align-self:flex-start;font-size:.7rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gold-700);background:rgba(201,162,39,.1);
  padding:4px 10px;border-radius:999px;}
.company-body h3{font-size:1.2rem;color:var(--navy-800);margin-bottom:0;}
.company-body .tagline{color:var(--gold-700);font-weight:600;font-size:.92rem;margin-bottom:2px;}
.company-body p.desc{color:var(--text-muted);font-size:.93rem;flex:1;}
.company-body .company-cta{margin-top:8px;font-weight:700;font-size:.88rem;color:var(--navy-800);
  display:inline-flex;align-items:center;gap:6px;}
.company-card.placeholder-logo .company-logo{
  background:var(--navy-800);color:#fff;font-weight:800;font-size:1.4rem;letter-spacing:.02em;
}

/* ---------- Placeholder / TODO note ---------- */
.placeholder-note{
  border:1px dashed var(--gold-600);background:rgba(201,162,39,.06);
  border-radius:var(--radius-sm);padding:12px 16px;font-size:.85rem;color:var(--gold-700);
  margin-top:10px;
}
.placeholder-note strong{color:var(--navy-800);}

/* ---------- Doctrine section (textura de libros de la oficina) ---------- */
.section-doctrine{
  position:relative;
  background-color:var(--navy-900);
  background-image:
    linear-gradient(rgba(43,56,63,.90), rgba(43,56,63,.90)),
    url('../img/texture/libros-duotone.jpg');
  background-size:auto, 460px auto;
  background-repeat:no-repeat, repeat;
  background-position:center top, center top;
}
.section-doctrine .section-head h2{color:#fff;}
.section-doctrine .section-head p{color:var(--slate-400);}
.section-doctrine .tier-label span{color:var(--gold-300);}
.section-doctrine .tier-label .line{background:rgba(255,255,255,.15);}
.section-doctrine strong{color:#fff;}

/* ---------- Values ---------- */
.value-card{border-left:3px solid var(--gold-600);padding-left:18px;}
.value-card .value-num{font-size:.75rem;font-weight:800;letter-spacing:.1em;color:var(--gold-700);}
.value-card h3{font-size:1.1rem;color:var(--navy-800);margin:4px 0 8px;}
.value-card p{color:var(--text-muted);font-size:.94rem;margin:0;}

/* ---------- Leadership ---------- */
.leader-card{text-align:center;}
.avatar{
  width:96px;height:96px;border-radius:50%;margin:0 auto 16px;
  background:linear-gradient(135deg,var(--navy-700),var(--navy-900));
  display:flex;align-items:center;justify-content:center;color:var(--gold-300);
  font-weight:800;font-size:1.4rem;
}
.leader-card h4{margin:0 0 2px;font-size:1rem;color:var(--navy-800);}
.leader-card .role{color:var(--gold-700);font-size:.85rem;font-weight:600;}

/* ---------- Timeline / tier labels ---------- */
.tier-label{
  display:flex;align-items:center;gap:12px;margin:56px 0 28px;
}
.tier-label:first-child{margin-top:0;}
.tier-label .line{flex:1;height:1px;background:var(--border);}
.tier-label span{font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--navy-600);}

/* ---------- News ---------- */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;}
.filter-chip{
  padding:8px 16px;border-radius:999px;border:1px solid var(--border);
  font-size:.85rem;font-weight:600;color:var(--text-muted);background:#fff;
}
.filter-chip.active{background:var(--navy-800);color:#fff;border-color:var(--navy-800);}
.filter-chip{cursor:pointer;}
.news-thumb{height:170px;background:var(--slate-100);border-bottom:1px solid var(--border);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.news-thumb.placeholder{display:flex;align-items:center;justify-content:center;background:var(--navy-800);color:var(--gold-300);font-weight:800;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;text-align:center;padding:16px;}
.news-body .news-date{color:var(--text-muted);font-size:.8rem;}
.news-body h3{font-size:1.1rem;color:var(--navy-800);margin:2px 0 0;}
.news-body p.desc{color:var(--text-muted);font-size:.92rem;flex:1;}
.news-body .news-cta{margin-top:4px;font-weight:700;font-size:.86rem;color:var(--navy-800);display:inline-flex;align-items:center;gap:6px;}
.empty-state{
  border:1px dashed var(--slate-200);border-radius:var(--radius);padding:56px 24px;
  text-align:center;color:var(--text-muted);background:#fff;
}
.doc-card{display:flex;align-items:center;gap:14px;padding:18px 20px;}
.doc-card .doc-icon{
  width:44px;height:44px;border-radius:10px;background:var(--gold-grad);
  display:flex;align-items:center;justify-content:center;color:var(--navy-900);font-weight:800;flex-shrink:0;
}
.doc-card .doc-meta small{color:var(--text-muted);}

/* ---------- Contact form ---------- */
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:36px;box-shadow:var(--shadow-sm);}
.field{margin-bottom:20px;}
.field label{display:block;font-size:.85rem;font-weight:700;color:var(--navy-800);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--slate-200);border-radius:var(--radius-sm);
  font-family:var(--font);font-size:.95rem;background:#fbfbfc;transition:.15s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold-600);background:#fff;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:640px){.field-row{grid-template-columns:1fr;}}
.contact-side .item{display:flex;gap:14px;margin-bottom:24px;}
.contact-side .icon{
  width:40px;height:40px;border-radius:10px;background:var(--navy-800);color:var(--gold-300);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:700;
}
.contact-side h4{margin:0 0 2px;font-size:.95rem;color:var(--navy-800);}
.contact-side p{margin:0;color:var(--text-muted);font-size:.9rem;}

/* ---------- Division flow (línea conectada en zigzag) ---------- */
.division-flow{position:relative;padding:20px 0;}
.division-flow::before{
  content:'';position:absolute;left:50%;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg, var(--gold-600), var(--gold-100), var(--gold-600));
  transform:translateX(-50%);
}
.flow-item{
  position:relative;display:grid;grid-template-columns:1fr 64px 1fr;align-items:start;
  margin-bottom:56px;
}
.flow-item:last-child{margin-bottom:0;}
.flow-node{
  grid-column:2;justify-self:center;z-index:2;
  width:52px;height:52px;border-radius:50%;background:var(--gold-grad);
  display:flex;align-items:center;justify-content:center;
  color:var(--navy-900);font-weight:800;font-size:1.2rem;
  box-shadow:0 0 0 6px var(--bg);
}
.flow-card{grid-column:1;text-align:right;padding-right:36px;}
.flow-item.flow-right .flow-card{grid-column:3;text-align:left;padding-right:0;padding-left:36px;}
.flow-card h2{font-size:1.3rem;color:var(--navy-800);}
.flow-card p{color:var(--text-muted);margin-bottom:14px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.flow-card.text-align-right .chip-row,
.flow-item:not(.flow-right) .chip-row{justify-content:flex-end;}
.flow-item.flow-right .chip-row{justify-content:flex-start;}
.company-chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 16px;border-radius:10px;background:#fff;
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
}
.company-chip img{height:22px;width:auto;max-width:110px;object-fit:contain;}
.company-chip.text-chip{font-weight:700;font-size:.85rem;color:var(--navy-800);white-space:nowrap;}

@media (max-width:768px){
  .division-flow::before{left:22px;}
  .flow-item{display:flex;align-items:flex-start;gap:18px;margin-bottom:40px;}
  .flow-node{order:1;flex-shrink:0;width:44px;height:44px;font-size:1.05rem;box-shadow:0 0 0 6px var(--bg);}
  .flow-card,
  .flow-item.flow-right .flow-card{order:2;flex:1;text-align:left;padding:0;}
  .flow-item .chip-row,
  .flow-item.flow-right .chip-row{justify-content:flex-start;}
}

/* ---------- Pre-footer banner ---------- */
.banner{
  background:var(--gold-grad);color:var(--navy-900);text-align:center;
}
.banner h2{color:var(--navy-900);}
.banner p{color:rgba(43,56,63,.75);}
.banner .btn-primary{background:var(--navy-900);}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.65);padding:64px 0 28px;font-size:.9rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px;}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{color:#fff;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid ul li a:hover{color:#fff;}
.footer-brand img{height:42px;margin-bottom:14px;}
.footer-brand p{max-width:280px;color:rgba(255,255,255,.55);}
.footer-legal{
  border-top:1px solid rgba(255,255,255,.1);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem;color:rgba(255,255,255,.45);
}
.footer-legal a{color:rgba(255,255,255,.6);}
.social-row{display:flex;gap:10px;margin-top:16px;}
.social-row a{
  width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;
}
.social-row a:hover{background:rgba(255,255,255,.1);}

/* ---------- Auth pages ---------- */
.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background-color:var(--navy-900);
  background-image:
    linear-gradient(160deg, rgba(18,24,31,.72), rgba(43,56,63,.55)),
    url('../img/auth/monkeys-bg.jpg');
  background-size:cover, cover;
  background-position:center, center;
  background-repeat:no-repeat, no-repeat;
  padding:110px 20px 60px;
}
.auth-card{
  width:100%;max-width:420px;background:#fff;border-radius:var(--radius);
  padding:40px 36px;box-shadow:var(--shadow-lg);
}
.auth-card .brand{justify-content:center;margin-bottom:22px;}
.auth-card .brand img{height:52px;}
.auth-card h1{font-size:1.4rem;text-align:center;color:var(--navy-800);}
.auth-card p.sub{text-align:center;color:var(--text-muted);font-size:.92rem;margin-bottom:28px;}
.auth-error{
  background:#fdecec;border:1px solid #f3b8b8;color:#a12a2a;padding:12px 14px;
  border-radius:var(--radius-sm);font-size:.88rem;margin-bottom:18px;
}
.auth-success{
  background:#eaf7ee;border:1px solid #b7e3c3;color:#1c6b36;padding:12px 14px;
  border-radius:var(--radius-sm);font-size:.88rem;margin-bottom:18px;
}
.auth-links{text-align:center;margin-top:20px;font-size:.88rem;color:var(--text-muted);}
.auth-links a{color:var(--gold-700);font-weight:700;}
.auth-links .sep{margin:0 8px;color:var(--slate-200);}
.dash-hero{background:var(--navy-900);color:#fff;padding:110px 0 64px;}
.dash-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:48px;text-align:center;}

/* ---------- Utility ---------- */
.mt-0{margin-top:0;}
.text-center{text-align:center;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag{background:var(--slate-100);color:var(--navy-700);font-size:.8rem;font-weight:600;padding:6px 12px;border-radius:999px;}