/* ============================================================
   EMSO — ESTILOS PRINCIPALES
   Para cambiar colores, edita las variables en :root
   o modifica js/config.js (se aplican dinámicamente).
   ============================================================ */

/* ── VARIABLES / COLORES ─────────────────────────────────── */
:root {
  --navy:         #030A8C;
  --blue:         #034AA6;
  --sky:          #035AA6;
  --gray:         #A6A6A6;
  --dark:         #0D0D0D;
  --white:        #FFFFFF;
  --light:        #F4F6FB;
  --card-radius:  12px;
  --transition:   .3s ease;
}

/* ── RESET ───────────────────────────────────────────────── */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Open Sans', sans-serif;
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
}

/* ── NAVBAR ──────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 18px 5%;
  display: flex; align-items: center; justify-content: space-between;
  transition: background var(--transition), padding var(--transition);
}
nav.scrolled {
  background: var(--navy);
  padding: 12px 5%;
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 46px; filter: brightness(0) invert(1); }
.nav-links {
  display: flex; align-items: center; gap: 30px; list-style: none;
}
.nav-links a {
  color: var(--white); text-decoration: none;
  font-family: 'Raleway', sans-serif; font-weight: 600;
  font-size: .9rem; letter-spacing: .5px;
  opacity: .9; transition: opacity var(--transition);
}
.nav-links a:hover { opacity: 1; }
.nav-cta {
  background: var(--white); color: var(--navy) !important;
  padding: 10px 22px; border-radius: 6px;
  opacity: 1 !important;
  transition: background var(--transition), color var(--transition) !important;
}
.nav-cta:hover { background: var(--gray); color: var(--dark) !important; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 5px;
}
.hamburger span {
  width: 26px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--transition);
}
@media (max-width: 900px) {
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--navy); flex-direction: column;
    padding: 20px 5%; gap: 16px; align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
}

/* ── HERO ────────────────────────────────────────────────── */
#inicio {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy) 0%, #021666 40%, var(--blue) 100%);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.hero-bg-pattern {
  position: absolute; inset: 0; opacity: .06;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 60px, rgba(255,255,255,1) 60px, rgba(255,255,255,1) 61px),
    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(255,255,255,1) 60px, rgba(255,255,255,1) 61px);
}
.hero-circle { position: absolute; border-radius: 50%; background: rgba(255,255,255,.04); }
.hero-circle.c1 { width: 500px; height: 500px; top: -150px; right: -100px; }
.hero-circle.c2 { width: 300px; height: 300px; bottom: -80px; left: -50px; }
.hero-content { position: relative; z-index: 2; padding: 120px 5% 60px; max-width: 780px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  border-radius: 50px; padding: 8px 18px;
  color: var(--white); font-size: .82rem;
  font-family: 'Raleway', sans-serif; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 28px;
}
.hero-badge i { color: #a0c4ff; font-size: .85rem; }
.hero-h1 {
  font-family: 'Raleway', sans-serif; font-weight: 900;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  color: var(--white); line-height: 1.12; margin-bottom: 22px;
}
.hero-h1 span { color: #a0c4ff; }
.hero-brand-name {
  font-family: 'Raleway', sans-serif; font-weight: 900;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  color: var(--white); letter-spacing: 4px;
  text-transform: uppercase; margin-bottom: 14px; line-height: 1;
}
.hero-brand-name .hero-brand-sub {
  display: block;
  font-size: clamp(.85rem, 1.6vw, 1.1rem);
  font-weight: 300; letter-spacing: 6px;
  color: rgba(255,255,255,.6); text-transform: uppercase; margin-top: 4px;
}
.hero-sub {
  font-size: 1.08rem; color: rgba(255,255,255,.75);
  line-height: 1.8; max-width: 600px; margin-bottom: 40px; font-weight: 300;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background: var(--white); color: var(--navy);
  padding: 14px 32px; border-radius: 8px; text-decoration: none;
  font-family: 'Raleway', sans-serif; font-weight: 700; font-size: .95rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.btn-outline {
  border: 2px solid rgba(255,255,255,.5); color: var(--white);
  padding: 13px 32px; border-radius: 8px; text-decoration: none;
  font-family: 'Raleway', sans-serif; font-weight: 600; font-size: .95rem;
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.1); }
.hero-stats {
  display: flex; gap: 48px; margin-top: 64px;
  padding-top: 40px; border-top: 1px solid rgba(255,255,255,.15);
}
.stat-item { text-align: center; }
.stat-num {
  display: block; font-family: 'Raleway', sans-serif;
  font-weight: 900; font-size: 2.2rem; color: var(--white);
}
.stat-label { font-size: .78rem; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .8px; }
@media (max-width: 600px) { .hero-stats { gap: 24px; } .stat-num { font-size: 1.6rem; } }

/* ── SECCIONES COMUNES ───────────────────────────────────── */
section { padding: 90px 5%; }
.section-label {
  display: block; font-family: 'Raleway', sans-serif;
  font-weight: 700; font-size: .78rem;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--sky); margin-bottom: 10px;
}
.section-title {
  font-family: 'Raleway', sans-serif; font-weight: 800;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.2; color: var(--dark); margin-bottom: 16px;
}
.section-title.white { color: var(--white); }
.section-sub { font-size: 1rem; color: var(--gray); line-height: 1.8; max-width: 600px; margin-bottom: 50px; }
.section-sub.white { color: rgba(255,255,255,.7); }
.center { text-align: center; }
.center .section-sub { margin-left: auto; margin-right: auto; }
.divider {
  width: 56px; height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--sky));
  border-radius: 2px; margin-bottom: 24px;
}
.center .divider { margin-left: auto; margin-right: auto; }

/* ── GRIDS ───────────────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
@media (max-width: 1024px) { .grid-3 { grid-template-columns: repeat(2,1fr); } .grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px)  { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ── CARDS DE SERVICIOS ──────────────────────────────────── */
#residencial { background: var(--light); }
.service-card {
  background: var(--white); border-radius: var(--card-radius);
  padding: 32px 28px; border: 1px solid #e8ecf4;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(3,10,140,.12); }
.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #eef2ff, #dce4ff);
  border-radius: 12px; display: flex; align-items: center;
  justify-content: center; margin-bottom: 18px;
}
.service-icon i { font-size: 1.5rem; color: var(--navy); }
.service-card h3 { font-family: 'Raleway', sans-serif; font-weight: 700; font-size: 1rem; color: var(--dark); margin-bottom: 8px; }
.service-card p  { font-size: .88rem; color: var(--gray); line-height: 1.7; }

/* Variante oscura (sección comercial) */
#comercial { background: var(--navy); }
#comercial .section-title { color: var(--white); }
#comercial .section-label { color: #a0c4ff; }
.service-card.dark { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.1); }
.service-card.dark:hover { background: rgba(255,255,255,.12); box-shadow: 0 16px 40px rgba(0,0,0,.3); }
.service-card.dark h3  { color: var(--white); }
.service-card.dark p   { color: rgba(255,255,255,.6); }
.service-card.dark .service-icon { background: rgba(255,255,255,.1); }
.service-card.dark .service-icon i { color: #a0c4ff; }

/* ── CONSULTORÍA ─────────────────────────────────────────── */
#consultoria { background: var(--white); }
.consultoria-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
@media (max-width: 900px) { .consultoria-grid { grid-template-columns: 1fr; gap: 48px; } }
.consult-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.consult-list li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 18px 20px; background: var(--light);
  border-radius: 10px; border-left: 4px solid var(--sky);
  transition: background var(--transition);
}
.consult-list li:hover { background: #e8ecf4; }
.consult-list li i   { color: var(--navy); font-size: 1.1rem; margin-top: 2px; flex-shrink: 0; }
.consult-list li span { font-size: .93rem; color: var(--dark); line-height: 1.5; }
.consult-img-block {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  border-radius: 20px; padding: 48px 40px;
  color: var(--white); position: relative; overflow: hidden;
}
.consult-img-block::before {
  content: ''; position: absolute;
  width: 300px; height: 300px; border-radius: 50%;
  background: rgba(255,255,255,.05); top: -80px; right: -80px;
}
.consult-img-block h3 { font-family: 'Raleway', sans-serif; font-weight: 800; font-size: 1.7rem; margin-bottom: 16px; }
.consult-img-block p  { font-size: .95rem; line-height: 1.8; color: rgba(255,255,255,.8); margin-bottom: 28px; }
.iso-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25);
  border-radius: 8px; padding: 12px 20px;
}
.iso-badge i    { font-size: 1.4rem; color: #a0c4ff; }
.iso-badge span { font-family: 'Raleway', sans-serif; font-weight: 700; font-size: .9rem; }

/* ── VALORES ─────────────────────────────────────────────── */
#nosotros { background: var(--light); }
.valores-strip {
  display: flex; align-items: stretch;
  background: var(--white); border-radius: 20px;
  border: 1px solid #e0e6f0; overflow: hidden;
}
.valor-item {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; padding: 40px 16px 36px;
  text-align: center; transition: background var(--transition); position: relative;
}
.valor-item:hover { background: #f0f4ff; }
.valor-sep { width: 1px; background: #e0e6f0; flex-shrink: 0; align-self: stretch; }
.valor-num  { font-family: 'Raleway', sans-serif; font-weight: 900; font-size: .68rem; color: var(--gray); letter-spacing: 2px; margin-bottom: 14px; }
.valor-icon-line {
  width: 50px; height: 50px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; margin-bottom: 14px;
}
.valor-icon-line i  { font-size: 1.2rem; color: var(--white); }
.valor-text h3 { font-family: 'Raleway', sans-serif; font-weight: 700; font-size: .88rem; color: var(--dark); margin-bottom: 7px; }
.valor-text p  { font-size: .78rem; color: var(--gray); line-height: 1.65; }
@media (max-width: 1100px) {
  .valores-strip { flex-wrap: wrap; }
  .valor-item { flex: 0 0 33.33%; border-bottom: 1px solid #e0e6f0; }
  .valor-sep  { display: none; }
}
@media (max-width: 600px) { .valor-item { flex: 0 0 100%; } }

/* ── MISIÓN Y VISIÓN ─────────────────────────────────────── */
#mision { background: var(--white); }
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
@media (max-width: 768px) { .mv-grid { grid-template-columns: 1fr; } }
.mv-card { padding: 44px 36px; border-radius: 16px; position: relative; overflow: hidden; }
.mv-card.m  { background: linear-gradient(135deg, var(--navy), #0520c4); }
.mv-card.v  { background: linear-gradient(135deg, var(--blue),  #0465cc); }
.mv-card::after {
  content: ''; position: absolute;
  width: 240px; height: 240px; border-radius: 50%;
  background: rgba(255,255,255,.05); bottom: -60px; right: -60px;
}
.mv-tag  { font-family: 'Raleway', sans-serif; font-weight: 700; font-size: .75rem; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,.6); margin-bottom: 14px; display: block; }
.mv-card h2 { font-family: 'Raleway', sans-serif; font-weight: 800; font-size: 1.8rem; color: var(--white); margin-bottom: 18px; }
.mv-card p  { font-size: .95rem; color: rgba(255,255,255,.8); line-height: 1.85; }

/* ── CTA BAND ────────────────────────────────────────────── */
#cta-band {
  background: linear-gradient(90deg, #021266, var(--navy));
  padding: 70px 5%; text-align: center;
}
#cta-band h2 {
  font-family: 'Raleway', sans-serif; font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--white); margin-bottom: 14px;
}
#cta-band p { color: rgba(255,255,255,.7); font-size: 1rem; margin-bottom: 36px; max-width: 500px; margin-left: auto; margin-right: auto; }
.btn-cta {
  background: var(--white); color: var(--navy);
  padding: 16px 40px; border-radius: 8px; text-decoration: none;
  font-family: 'Raleway', sans-serif; font-weight: 700; font-size: 1rem;
  transition: transform var(--transition), box-shadow var(--transition);
  display: inline-block;
}
.btn-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,.35); }

/* ── CONTACTO ────────────────────────────────────────────── */
#contacto { background: var(--light); }
.contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }
.contact-form { background: var(--white); padding: 44px 40px; border-radius: 16px; box-shadow: 0 8px 40px rgba(3,10,140,.08); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; color: var(--dark); margin-bottom: 7px; letter-spacing: .3px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid #dde3f0; border-radius: 8px;
  font-family: 'Open Sans', sans-serif; font-size: .92rem;
  color: var(--dark);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white); outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(3,90,166,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-form {
  width: 100%; background: var(--navy); color: var(--white);
  padding: 14px; border: none; border-radius: 8px;
  font-family: 'Raleway', sans-serif; font-weight: 700; font-size: .97rem;
  cursor: pointer; transition: background var(--transition), transform var(--transition);
}
.btn-form:hover { background: var(--blue); transform: translateY(-1px); }
.contact-info   { padding: 8px 0; }
.contact-info h3 { font-family: 'Raleway', sans-serif; font-weight: 800; font-size: 1.5rem; color: var(--dark); margin-bottom: 24px; }
.contact-item   { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact-icon   { width: 48px; height: 48px; background: linear-gradient(135deg, var(--navy), var(--blue)); border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon i { color: var(--white); font-size: 1.2rem; }
.contact-item h4 { font-family: 'Raleway', sans-serif; font-weight: 700; font-size: .9rem; color: var(--dark); margin-bottom: 3px; }
.contact-item p  { font-size: .88rem; color: var(--gray); line-height: 1.6; }
.wa-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: #25D366; color: var(--white);
  padding: 13px 28px; border-radius: 8px; text-decoration: none;
  font-family: 'Raleway', sans-serif; font-weight: 700; font-size: .92rem;
  margin-top: 20px; transition: background var(--transition);
}
.wa-btn:hover { background: #1ebe5a; }

/* ── FOOTER ──────────────────────────────────────────────── */
footer { background: var(--dark); padding: 70px 5% 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand img    { height: 42px; filter: brightness(0) invert(1); margin-bottom: 18px; }
.footer-tagline      { font-size: .88rem; color: #888; line-height: 1.8; max-width: 260px; margin-bottom: 24px; }
.footer-social       { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px; background: rgba(255,255,255,.08);
  border-radius: 8px; display: flex; align-items: center;
  justify-content: center; color: var(--gray); text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.social-btn:hover { background: var(--blue); color: var(--white); }
.social-btn i { font-size: .95rem; }
.footer-col h4   { font-family: 'Raleway', sans-serif; font-weight: 700; font-size: .88rem; color: var(--white); letter-spacing: .8px; text-transform: uppercase; margin-bottom: 18px; }
.footer-col ul   { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #888; text-decoration: none; font-size: .87rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-col p    { color: #888; font-size: .87rem; line-height: 1.8; }
.footer-bottom   { border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { color: #666; font-size: .82rem; }
@media (max-width: 600px) { .footer-bottom { flex-direction: column; text-align: center; } }

/* ── ANIMACIONES ─────────────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }