/* =======================================================
   CIE INVESTIGA S.R.L. — Hoja de estilos
   ======================================================= */

:root{
  --bg: #15161a;
  --bg-alt: #1b1d22;
  --panel: #202329;
  --panel-2: #24272e;
  --border: #34373f;
  --wine: #7a2331;
  --brass: #b8955b;         /* color de acento cálido para íconos, textos pequeños, bordes y botones */
  --brass-hover: #c7a56e;
  --brass-soft: #cbae82;    /* variante clara del acento, para texto sobre fondo oscuro */
  --text: #ede9e2;
  --text-muted: #a7abb4;
  --whatsapp: #22c35e;      /* reservado exclusivamente para el botón flotante de WhatsApp */
  --radius: 2px;
  --maxw: 1240px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
h1,h2,h3{
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  line-height: 1.12;
  margin: 0 0 .5em;
  letter-spacing: .01em;
}
p{ margin: 0 0 1em; color: var(--text-muted); }
ul{ margin:0; padding:0; list-style:none; }
.wrap{ max-width: var(--maxw); margin-inline:auto; padding-inline: 24px; }
section{ padding: clamp(56px, 8vw, 108px) 0; }

/* ---------- Utilidades ---------- */
.skip-link{
  position:absolute; left:-9999px; top:0;
  background: var(--brass); color:#fff;
  padding: 10px 16px; z-index: 999;
}
.skip-link:focus{ left: 12px; top: 12px; }

.eyebrow{
  display:flex; align-items:center; gap:12px;
  font-size: .78rem; font-weight:600; letter-spacing:.22em;
  text-transform:uppercase; color: var(--brass);
  margin-bottom: 18px;
}
.eyebrow::before{
  content:""; width:34px; height:1px; background: var(--brass);
  display:inline-block; opacity:.8;
}
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 14px 26px; font-weight:600; font-size:.95rem;
  border-radius: var(--radius); border:1px solid transparent;
  cursor:pointer; transition: transform .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-accent{ background: #fff; color:#1a140b; }
.btn-accent:hover{ background: var(--brass-hover); }
.btn-outline{ border-color: rgba(237,233,226,.35); color: var(--text); }
.btn-outline:hover{ border-color: var(--brass); color: var(--brass-soft); }
.btn svg{ width:18px; height:18px; flex-shrink:0; }

/* ---------- HEADER ---------- */
header.site{
  position: sticky; top:0; z-index: 100;
  background: rgba(21,22,26,.88);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 24px; max-width: var(--maxw); margin-inline:auto;
  gap: 24px;
}
.brand{ display:flex; align-items:center; gap:12px; font-family:'Fraunces',serif; min-width:0; flex-shrink:1; }
.brand img{ height:38px; width:auto; flex-shrink:0; }
.brand-name{ font-size:1.05rem; letter-spacing:.04em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.brand-name small{ display:block; font-family:'Inter',sans-serif; font-size:.62rem; letter-spacing:.2em; color: var(--brass); font-weight:600; white-space:nowrap; }

nav.menu ul{ display:flex; gap: 30px; }
nav.menu a{
  font-size:.86rem; font-weight:600; letter-spacing:.03em; color: var(--text-muted);
  padding: 6px 2px; border-bottom: 1px solid transparent; transition: color .15s, border-color .15s;
}
nav.menu a:hover, nav.menu a:focus-visible{ color: var(--text); border-color: var(--brass); }

.nav-actions{ display:flex; align-items:center; gap:16px; flex-shrink:0; }

.burger{
  display:none; width:42px; height:42px; border:1px solid var(--border); background:transparent;
  border-radius: var(--radius); align-items:center; justify-content:center; cursor:pointer;
}
.burger span, .burger::before, .burger::after{ display:none; }
.burger svg{ width:20px; height:20px; color: var(--text); }

#menu-toggle{ display:none; }

@media (max-width: 900px){
  nav.menu{
    position: fixed; top: 66px; left:0; right:0; height: calc(100vh - 66px);
    background: var(--bg);
    transform: translateY(-8px); opacity:0; pointer-events:none;
    transition: opacity .2s ease, transform .2s ease;
    border-top: 1px solid var(--border);
    overflow-y:auto;
  }
  nav.menu ul{ flex-direction:column; padding: 28px 24px; gap:2px; }
  nav.menu a{ display:block; padding: 16px 4px; border-bottom: 1px solid var(--border); font-size:1.05rem; }
  .burger{ display:inline-flex; }
  #menu-toggle:checked ~ .menu{ opacity:1; transform: translateY(0); pointer-events:auto; }
}

@media (max-width: 480px){
  .nav{ padding: 12px 16px; gap:10px; }
  .brand{ gap:8px; }
  .brand img{ height:32px; }
  .brand-name{ font-size:.86rem; max-width: 34vw; }
  .brand-name small{ font-size:.56rem; letter-spacing:.14em; }
  #nav-wa-btn{ padding: 11px 14px; }
  .wa-btn-label{ display:none; }
  .burger{ width:38px; height:38px; }
}

/* ---------- HERO ---------- */
.hero{
  position: relative; overflow:hidden;
  min-height: 640px;
  display:flex; align-items:center;
  background: #101115;
}
.hero-bg{
  position:absolute; inset:0;
  background-image: url('imagenes/hero-fondo.jpg');
  background-size: cover; background-position: center;
  filter: grayscale(.15) contrast(1.05);
}
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background: rgba(11,12,15,.74); /* velo plano, sin degradado */
}
.hero-band{
  position:absolute; top:0; bottom:0; left:-6%;
  width: 34%;
  background: #000; /* negro total, sin degradado */
  clip-path: polygon(0 0, 100% 0, 78% 100%, 0% 100%);
  display:flex; align-items:center; justify-content:center;
  box-shadow: 40px 0 60px -30px rgba(0,0,0,.7);
  z-index: 1;
}
.hero-band img{ width: 46%; max-width:170px; filter: drop-shadow(0 6px 18px rgba(0,0,0,.5)); }

.hero-content{
  position:relative; z-index:2;
  max-width: var(--maxw); margin-inline:auto; width:100%;
  padding: 100px 24px 90px;
  margin-left: clamp(24px, 30%, 420px);
}
.hero-content .eyebrow{ color: var(--brass-soft); }
.hero h1{
  font-size: clamp(2.4rem, 5.4vw, 4.1rem);
  color: var(--text);
  margin-bottom: .28em;
}
.hero-sub{
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  max-width: 640px;
  color: #cfd0d4;
  margin-bottom: 1.6em;
}
.hero-meta{
  display:flex; flex-wrap:wrap; gap: 10px 28px;
  font-size:.9rem; color:#c7c9cd; margin-bottom: 2.2em;
}
.hero-meta li{ display:flex; gap:9px; align-items:flex-start; max-width: 400px; }
.hero-meta svg{ width:17px; height:17px; flex-shrink:0; margin-top:3px; color: var(--brass); }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; }

@media (max-width: 900px){
  .hero{ min-height: 560px; }
  .hero-band{ display:none; }
  .hero-content{ margin-left:0; padding: 84px 20px 64px; }
}

/* ---------- INTRO / CONFIANZA ---------- */
.intro{ background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.intro-grid{
  display:grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items:start;
}
.intro h2{ font-size: clamp(1.9rem, 3.4vw, 2.6rem); color: var(--text); }
.intro-text p:last-of-type{ margin-bottom: 0; }

.card-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cat-card{
  position:relative; aspect-ratio: 4/3; overflow:hidden; border-radius: var(--radius);
  border: 1px solid var(--border);
}
.cat-card img{ width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.cat-card:hover img{ transform: scale(1.06); }
.cat-card::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:48%;
  background: rgba(10,11,13,.82); /* franja plana, sin degradado */
}
.cat-card span{
  position:absolute; left:16px; right:16px; bottom:14px; z-index:2;
  font-family:'Fraunces',serif; font-size:1rem; letter-spacing:.02em;
  color: var(--text); line-height:1.25;
  border-bottom: 2px solid var(--brass); padding-bottom:8px; display:inline-block;
}

@media (max-width: 900px){
  .intro-grid{ grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 560px){
  .card-grid{ grid-template-columns: 1fr; gap: 12px; }
  .cat-card{ aspect-ratio: 16/10; }
  .cat-card span{ font-size:.95rem; }
}

/* ---------- BADGES ---------- */
.badges-section{ padding-block: 0; }
.badges-wrap{ padding-block: 48px; }
.badges{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border); border:1px solid var(--border); border-radius: var(--radius); overflow:hidden;
}
.badge{ background: var(--panel); padding: 26px 22px; display:flex; gap:14px; align-items:flex-start; }
.badge svg{ width:26px; height:26px; color: var(--brass); flex-shrink:0; }
.badge h3{ font-family:'Inter',sans-serif; font-size:.92rem; font-weight:600; color:var(--text); margin:0 0 4px; }
.badge p{ font-size:.83rem; margin:0; }
@media (max-width: 900px){ .badges{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .badges{ grid-template-columns: 1fr; } }

/* ---------- TRAYECTORIA ---------- */
.trayectoria{ background: var(--bg); }
.tray-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:center; }
.tray-grid h2{ font-size: clamp(1.9rem, 3.4vw, 2.6rem); color: var(--text); }
.stat-row{ display:flex; gap: 36px; margin-top: 28px; flex-wrap:wrap; }
.stat b{ font-family:'Fraunces',serif; font-size: 2.1rem; color: var(--brass-soft); display:block; font-weight:500; }
.stat span{ font-size:.82rem; color: var(--text-muted); letter-spacing:.02em; }
@media (max-width: 900px){ .tray-grid{ grid-template-columns: 1fr; gap:28px; } }

/* ---------- SERVICIOS ---------- */
.servicios{ background: var(--bg-alt); border-block: 1px solid var(--border); }
.servicios-head{ max-width: 640px; margin-bottom: 48px; }
.servicios-head h2{ font-size: clamp(1.9rem, 3.4vw, 2.6rem); color: var(--text); }
.serv-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.serv-card{
  background: var(--panel); border:1px solid var(--border); border-radius: var(--radius);
  overflow:hidden; display:flex; flex-direction:column;
  transition: border-color .2s ease, transform .2s ease;
}
.serv-card:hover{ border-color: var(--brass); transform: translateY(-4px); }
.serv-img{ aspect-ratio: 16/10; overflow:hidden; }
.serv-img img{ width:100%; height:100%; object-fit:cover; }
.serv-body{ padding: 22px 22px 24px; display:flex; flex-direction:column; gap:10px; flex:1; }
.serv-body h3{ font-size:1.15rem; color: var(--text); margin:0; }
.serv-body p{ font-size:.9rem; margin:0; flex:1; }
.serv-link{
  margin-top:6px; font-size:.82rem; font-weight:600; color: var(--brass-soft);
  display:inline-flex; align-items:center; gap:6px; letter-spacing:.02em;
}
.serv-link svg{ width:14px; height:14px; transition: transform .18s; }
.serv-card:hover .serv-link svg{ transform: translateX(3px); }

@media (max-width: 980px){ .serv-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px){ .serv-grid{ grid-template-columns: 1fr; } }

/* ---------- ALIANZA ---------- */
.alianza{
  background: var(--panel-2); border:1px solid var(--border); border-radius: var(--radius);
  padding: 36px; display:flex; gap:24px; align-items:center; flex-wrap:wrap; justify-content:space-between;
  margin-top: 48px;
}
.alianza p{ margin:0; max-width: 560px; font-size:.94rem; }
.alianza strong{ color: var(--text); }

/* ---------- PRENSA / VIDEO ---------- */
.prensa{ background: var(--bg-alt); border-top: 1px solid var(--border); }
.prensa-head{ max-width: 640px; margin: 0 auto 40px; text-align:center; }
.prensa-head .eyebrow{ justify-content:center; }
.prensa-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); color: var(--text); margin:0; }

.video-embed{
  position: relative; max-width: 860px; margin: 0 auto;
  aspect-ratio: 16/9; overflow:hidden; border-radius: var(--radius);
  border: 1px solid var(--border); background:#000; cursor:pointer;
}
.video-thumb{
  width:100%; height:100%; object-fit:cover;
  filter: grayscale(1) contrast(1.05) brightness(.8); /* vista previa en blanco y negro */
  transition: filter .3s ease, transform .3s ease;
}
.video-embed:hover .video-thumb{ transform: scale(1.02); }
.video-play{
  position:absolute; inset:0; width:100%; height:100%;
  display:flex; align-items:center; justify-content:center;
  background: rgba(0,0,0,.15); border:0; padding:0; cursor:pointer;
  transition: background .2s ease;
}
.video-embed:hover .video-play{ background: rgba(0,0,0,.05); }
.video-play svg{ width: 76px; height:auto; filter: drop-shadow(0 8px 20px rgba(0,0,0,.55)); transition: transform .18s ease; }
.video-embed:hover .video-play svg{ transform: scale(1.08); }
.video-embed iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }

@media (max-width: 900px){
  .video-embed{ max-width: 100%; }
  .video-play svg{ width: 58px; }
}

/* ---------- CONTACTO ---------- */
.contacto{ background: var(--bg); }
.contacto-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items:stretch; }
.contact-card{
  background: var(--panel); border:1px solid var(--border); border-radius: var(--radius);
  padding: 36px; display:flex; flex-direction:column; gap:18px;
}
.contact-card h2{ font-size: clamp(1.7rem, 3vw, 2.2rem); color: var(--text); }
.contact-row{ display:flex; gap:14px; align-items:flex-start; }
.contact-row svg{ width:20px; height:20px; color: var(--brass); flex-shrink:0; margin-top:2px; }
.contact-row div p{ margin:0; font-size:.92rem; }
.contact-row div b{ display:block; font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; margin-bottom:3px; color: var(--text-muted); }

.cta-card{
  background: var(--wine); /* color plano, sin degradado */
  border-radius: var(--radius); padding: 40px 36px;
  display:flex; flex-direction:column; justify-content:center; gap:16px;
  border: 1px solid rgba(255,255,255,.06);
}
.cta-card h3{ color:#fff; font-size:1.5rem; margin:0; }
.cta-card p{ color: rgba(255,255,255,.78); margin:0; }
.cta-card .btn-accent{
  align-self:flex-start; margin-top:6px;
  background:#fff; color:#2a2a2a; /* excepción: este botón no usa el dorado, queda blanco */
}
.cta-card .btn-accent:hover{ background:#ece9e3; }

@media (max-width: 900px){ .contacto-grid{ grid-template-columns: 1fr; } }

/* ---------- MAPA ---------- */
.mapa{ background: var(--bg-alt); border-top:1px solid var(--border); padding-bottom: 0; }
.mapa-head{ display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:16px; margin-bottom:24px; }
.mapa-head h2{ font-size: clamp(1.6rem, 2.6vw, 2.1rem); color: var(--text); margin:0; }
.mapa-address{ margin:0; font-size:.9rem; }
.map-frame{
  width: 100%;
  filter: grayscale(1) contrast(1.1) brightness(.95);
}
.map-frame iframe{ width:100%; height: 460px; border:0; display:block; }

/* ---------- FOOTER ---------- */
footer{ background: #000; border-top:1px solid var(--border); }
.footer-grid{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  padding-block: 56px 40px;
}
.footer-brand{ display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.footer-brand img{ height:34px; }
.footer-brand span{ font-family:'Fraunces',serif; font-size:1.05rem; }
footer p{ font-size:.86rem; color: var(--text-muted); }
footer h4{
  font-size:.76rem; letter-spacing:.16em; text-transform:uppercase; color: var(--brass);
  margin: 0 0 16px; font-weight:600;
}
footer .fcol ul li{ margin-bottom:10px; }
footer .fcol ul a{ font-size:.88rem; color: var(--text-muted); transition: color .15s; }
footer .fcol ul a:hover{ color: var(--text); }
.footer-bottom{
  border-top:1px solid var(--border); padding: 20px 0;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:.8rem; color:#767a83;
}
.footer-bottom a{ color:#9a9ea7; }
.footer-bottom a:hover{ color: var(--brass-soft); }

@media (max-width: 900px){
  .footer-grid{ grid-template-columns: 1fr 1fr; gap: 32px 24px; }
}
@media (max-width: 560px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* ---------- WHATSAPP FLOAT (único elemento verde del sitio) ---------- */
.wa-float{
  position: fixed; right: 22px; bottom: 22px; z-index: 200;
  width: 58px; height:58px; border-radius:50%;
  background: var(--whatsapp);
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 30px -6px rgba(0,0,0,.55);
  transition: transform .18s ease;
}
.wa-float:hover{ transform: scale(1.07); }
.wa-float svg{ width:30px; height:30px; color:#fff; }

/* ---------- REVEAL ---------- */
.reveal{ opacity:0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

:focus-visible{ outline: 2px solid var(--brass); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .cat-card img, .serv-card, .wa-float{ transition:none; }
}