/* ============================================================
   SOTHUGHERCHE SOLUTIONS — Sistema de diseño
   Paleta: azul corporativo + acento ámbar de señalización
   Tipografía: Space Grotesk (display) / Inter (cuerpo) / IBM Plex Mono (datos normativos)
   ============================================================ */

:root{
  --navy-900: #0E2A47;
  --blue-700: #1F4E79;
  --blue-500: #3C74A8;
  --blue-300: #7FA8CB;
  --blue-100: #E4ECF3;
  --amber-500: #D9A441;
  --amber-100: #F8ECD3;
  --ink-900: #14212E;
  --ink-600: #445264;
  --ink-400: #7A8996;
  --paper-0: #F7F9FB;
  --paper-50: #FFFFFF;
  --line: #D3DEE7;

  --display: 'Space Grotesk', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --container: 1160px;
  --radius: 2px;
}

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

html{ scroll-behavior: smooth; }

body{
  font-family: var(--body);
  color: var(--ink-900);
  background: var(--paper-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }

a{ color: inherit; text-decoration: none; }

ul{ list-style: none; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4{
  font-family: var(--display);
  color: var(--navy-900);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1{ font-size: clamp(2.4rem, 4.2vw, 3.6rem); font-weight: 600; }
h2{ font-size: clamp(1.7rem, 2.6vw, 2.3rem); font-weight: 600; }
h3{ font-size: 1.25rem; font-weight: 600; }

p{ color: var(--ink-600); }

.eyebrow{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-500);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content: "";
  width: 22px;
  height: 1px;
  background: var(--amber-500);
}

/* ---------- Franja normativa (elemento distintivo) ---------- */
.norm-strip{
  background: var(--navy-900);
  overflow: hidden;
  white-space: nowrap;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.norm-strip__track{
  display: inline-flex;
  gap: 48px;
  padding: 8px 0;
  animation: scroll-strip 32s linear infinite;
}
.norm-strip span{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--blue-300);
}
.norm-strip span b{ color: var(--amber-500); font-weight: 500; }
@keyframes scroll-strip{
  0%{ transform: translateX(0); }
  100%{ transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .norm-strip__track{ animation: none; }
}

/* ---------- Encabezado ---------- */
header.site-header{
  background: var(--paper-50);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
}
.logo{
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy-900);
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.logo span{
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--amber-500);
  letter-spacing: 0.1em;
}
.nav-links{
  display: flex;
  gap: 34px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-600);
}
.nav-links a{ position: relative; padding: 4px 0; transition: color .2s; }
.nav-links a:hover{ color: var(--blue-700); }
.nav-links a.active{ color: var(--navy-900); }
.nav-links a.active::after{
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--amber-500);
}
.nav-cta{
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--navy-900);
  color: var(--paper-50) !important;
  padding: 11px 20px;
  border-radius: var(--radius);
  transition: background .2s;
}
.nav-cta:hover{ background: var(--blue-700); }
.menu-toggle{ display: none; background: none; border: 0; cursor: pointer; }
.menu-toggle span{
  display: block; width: 22px; height: 2px; background: var(--navy-900); margin: 5px 0;
}

/* ---------- Botones ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 14px 26px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
}
.btn-primary{ background: var(--navy-900); color: var(--paper-50); }
.btn-primary:hover{ background: var(--blue-700); }
.btn-outline{ border-color: var(--line); color: var(--navy-900); background: transparent; }
.btn-outline:hover{ border-color: var(--blue-500); color: var(--blue-700); }
.btn-amber{ background: var(--amber-500); color: var(--navy-900); }
.btn-amber:hover{ background: #c9933a; }

/* ---------- Hero ---------- */
.hero{
  padding: 90px 0 70px;
  background:
    radial-gradient(1200px 500px at 85% -10%, var(--blue-100), transparent 60%);
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}
.hero h1{ margin: 18px 0 20px; }
.hero p.lead{ font-size: 1.08rem; max-width: 46ch; margin-bottom: 32px; }
.hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; }

/* Panel de cumplimiento — elemento firma en el hero */
.compliance-panel{
  background: var(--paper-50);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 24px 48px -24px rgba(14,42,71,0.28);
}
.compliance-panel__head{
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px dashed var(--line);
}
.compliance-panel__head span{
  font-family: var(--mono); font-size: 0.7rem; color: var(--ink-400); letter-spacing: .05em;
}
.compliance-panel__status{
  font-family: var(--mono); font-size: 0.7rem; color: var(--amber-500); font-weight: 600;
}
.check-item{
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--paper-0);
  font-size: 0.88rem; color: var(--ink-600);
  opacity: 0; transform: translateY(6px);
  animation: check-in .5s ease forwards;
}
.check-item:nth-child(1){ animation-delay: .15s; }
.check-item:nth-child(2){ animation-delay: .4s; }
.check-item:nth-child(3){ animation-delay: .65s; }
.check-item:nth-child(4){ animation-delay: .9s; }
.check-item:last-child{ border-bottom: none; }
.check-box{
  flex: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--blue-700); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem;
}
@keyframes check-in{ to{ opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce){
  .check-item{ opacity: 1; transform: none; animation: none; }
}

/* ---------- Secciones genéricas ---------- */
section{ padding: 84px 0; }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head h2{ margin-top: 14px; }
.section-alt{ background: var(--paper-50); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-navy{ background: var(--navy-900); }
.section-navy h2, .section-navy .eyebrow{ color: var(--paper-50); }
.section-navy .eyebrow{ color: var(--blue-300); }
.section-navy p{ color: var(--blue-100); }

/* ---------- Grillas de tarjetas ---------- */
.grid-3{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-4{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.card{
  background: var(--paper-50);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color .2s, transform .2s;
}
.card:hover{ border-color: var(--blue-500); transform: translateY(-3px); }
.card-num{
  font-family: var(--mono); font-size: 0.72rem; color: var(--ink-400);
}
.card h3{ margin: 12px 0 10px; }
.card p{ font-size: 0.93rem; }

.norm-tag{
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  color: var(--blue-700);
  background: var(--blue-100);
  border: 1px solid var(--blue-300);
  padding: 4px 9px;
  border-radius: var(--radius);
  margin-top: 16px;
}
.norm-tag.amber{ color: #8a6417; background: var(--amber-100); border-color: var(--amber-500); }

/* ---------- Estadísticas ---------- */
.stats{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 44px;
}
.stat b{
  display: block; font-family: var(--display); font-size: 2.1rem;
  color: var(--navy-900); font-weight: 600;
}
.stat span{ font-size: 0.85rem; color: var(--ink-400); }

/* ---------- Proceso / lista numerada ---------- */
.process{ display: flex; flex-direction: column; }
.process-step{
  display: grid; grid-template-columns: 90px 1fr; gap: 24px;
  padding: 28px 0; border-top: 1px solid var(--line);
}
.process-step:last-child{ border-bottom: 1px solid var(--line); }
.process-step .num{ font-family: var(--mono); color: var(--amber-500); font-size: 1rem; }

/* ---------- Página interna: hero angosto ---------- */
.page-hero{
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-50);
}
.page-hero p.lead{ max-width: 60ch; font-size: 1.02rem; margin-top: 14px; }

/* ---------- Equipo ---------- */
.team-card{
  background: var(--paper-50);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  text-align: left;
  transition: border-color .2s, transform .2s;
}
.team-card:hover{ border-color: var(--blue-500); transform: translateY(-3px); }
.team-avatar{
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--paper-50);
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.team-card h3{ margin-bottom: 4px; }
.team-role{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue-500);
  display: block;
  margin-bottom: 14px;
}
.team-card p{ font-size: 0.9rem; }

/* ---------- Testimonios / casos ---------- */
.case-card{
  background: var(--paper-50);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.case-card .sector{
  font-family: var(--mono); font-size: 0.7rem; color: var(--blue-500); text-transform: uppercase; letter-spacing: .08em;
}
.case-card .metric{
  font-family: var(--display); font-size: 2.4rem; color: var(--navy-900); font-weight: 600;
}
.case-card .metric-label{ font-size: 0.85rem; color: var(--ink-400); margin-top: -10px; }
.case-quote{ font-size: 0.95rem; color: var(--ink-600); font-style: italic; border-left: 2px solid var(--amber-500); padding-left: 16px; }

/* ---------- Blog ---------- */
.post-card{
  background: var(--paper-50);
  border: 1px solid var(--line);
  overflow: hidden;
}
.post-card__body{ padding: 26px; }
.post-meta{
  font-family: var(--mono); font-size: 0.68rem; color: var(--ink-400);
  display: flex; gap: 14px; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .04em;
}
.post-card h3{ margin-bottom: 10px; }
.post-card p{ font-size: 0.9rem; }
.post-card .read-more{
  display: inline-block; margin-top: 14px; font-size: 0.85rem; font-weight: 600; color: var(--blue-700);
  border-bottom: 1px solid var(--blue-300);
}
.post-cover{
  height: 150px;
  background: linear-gradient(135deg, var(--navy-900), var(--blue-700));
  position: relative;
}
.post-cover span{
  position: absolute; bottom: 14px; left: 22px;
  font-family: var(--mono); font-size: 0.7rem; color: var(--blue-100); letter-spacing: .06em;
}

/* ---------- Formulario de contacto ---------- */
.form-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.field{ display: flex; flex-direction: column; gap: 8px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size: 0.82rem; font-weight: 600; color: var(--ink-900); }
.field input, .field select, .field textarea{
  font-family: var(--body);
  font-size: 0.94rem;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-50);
  color: var(--ink-900);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 3px var(--blue-100);
}
.field textarea{ resize: vertical; min-height: 120px; }

.contact-info-item{
  display: flex; gap: 16px; padding: 20px 0; border-top: 1px solid var(--line);
}
.contact-info-item:last-child{ border-bottom: 1px solid var(--line); }
.contact-info-item .ico{
  font-family: var(--mono); font-size: 0.72rem; color: var(--amber-500); flex: none; width: 26px; padding-top: 3px;
}

/* ---------- CTA franja ---------- */
.cta-band{
  background: var(--navy-900);
  padding: 56px 0;
}
.cta-band .container{
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta-band h2{ color: var(--paper-50); margin: 0; font-size: 1.7rem; }
.cta-band p{ color: var(--blue-300); margin-top: 6px; }

/* ---------- Footer ---------- */
footer.site-footer{
  background: var(--navy-900);
  color: var(--blue-100);
  padding: 56px 0 26px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h4{ color: var(--paper-50); font-size: 0.85rem; margin-bottom: 16px; letter-spacing: .04em; }
.footer-grid a, .footer-grid p{ color: var(--blue-300); font-size: 0.87rem; }
.footer-grid ul li{ margin-bottom: 10px; }
.footer-grid ul li a:hover{ color: var(--paper-50); }
.footer-logo{ font-family: var(--display); color: var(--paper-50); font-weight: 700; font-size: 1.1rem; margin-bottom: 10px; }
.footer-bottom{
  display: flex; justify-content: space-between; padding-top: 22px;
  font-size: 0.78rem; color: var(--blue-300); flex-wrap: wrap; gap: 10px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3, .grid-2, .grid-4, .form-grid{ grid-template-columns: 1fr; }
  .stats{ grid-template-columns: repeat(2, 1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .field.full{ grid-column: auto; }
}
@media (max-width: 720px){
  .nav-links{
    position: fixed; top: 73px; left: 0; right: 0;
    background: var(--paper-50); border-bottom: 1px solid var(--line);
    flex-direction: column; padding: 20px 32px; gap: 18px;
    transform: translateY(-130%); transition: transform .25s ease;
  }
  .nav-links.open{ transform: translateY(0); }
  .menu-toggle{ display: block; }
  .nav-cta{ display: none; }
  .process-step{ grid-template-columns: 1fr; gap: 8px; }
  .cta-band .container{ flex-direction: column; align-items: flex-start; }
  .footer-grid{ grid-template-columns: 1fr; }
}