/* =========================================================
   CONCENTRO — Hoja de estilos global
   Paleta: Azul #123476 · Terracota #DE9462 · Marfil #FAF6F1
   Arena #E8DFD3 · Grafito #1B1B29 · Verde #6E8B74 · Dorado #C9A227
   Tipografía: Poppins
   ========================================================= */

:root {
  --azul: #123476;
  --azul-oscuro: #0c2657;
  --terracota: #DE9462;
  --terracota-oscuro: #C97840;
  --marfil: #FAF6F1;
  --arena: #E8DFD3;
  --grafito: #1B1B29;
  --verde: #6E8B74;
  --dorado: #C9A227;
  --blanco: #FFFFFF;

  --font: 'Poppins', 'Helvetica Neue', Arial, sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 30px rgba(18, 52, 118, 0.10);
  --shadow-sm: 0 4px 14px rgba(18, 52, 118, 0.08);

  --container: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--marfil);
  color: var(--grafito);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 .6em;
  color: var(--azul);
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--terracota-oscuro);
  background: rgba(222, 148, 98, 0.16);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.eyebrow--on-azul {
  color: var(--terracota);
  background: rgba(255, 255, 255, 0.12);
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: .95rem;
  padding: 14px 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--terracota);
  color: var(--azul-oscuro);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--terracota-oscuro); color: var(--blanco); }

.btn--azul {
  background: var(--azul);
  color: var(--blanco);
  box-shadow: var(--shadow-sm);
}
.btn--azul:hover { background: var(--azul-oscuro); }

.btn--outline {
  background: transparent;
  color: var(--azul);
  border-color: var(--azul);
}
.btn--outline:hover { background: var(--azul); color: var(--blanco); }

.btn--outline-light {
  background: transparent;
  color: var(--blanco);
  border-color: rgba(255,255,255,.55);
}
.btn--outline-light:hover { background: var(--blanco); color: var(--azul); }

.btn--whatsapp {
  background: #25D366;
  color: #06371c;
}
.btn--whatsapp:hover { background: #1fb958; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 241, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--arena);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav__brand img { height: 40px; width: auto; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  font-weight: 500;
  font-size: .95rem;
  color: var(--grafito);
  position: relative;
  padding: 4px 0;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: -2px;
  height: 2px;
  background: var(--terracota);
  transition: right .2s ease;
}
.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after { right: 0; }
.nav__links a[aria-current="page"] { color: var(--azul); font-weight: 600; }

.nav__cta { display: flex; align-items: center; gap: 14px; }

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--azul);
  margin: 5px 0;
  transition: all .2s ease;
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    top: 70px;
    left: 0; right: 0;
    background: var(--marfil);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 18px 24px 28px;
    border-bottom: 1px solid var(--arena);
    transform: translateY(-130%);
    transition: transform .25s ease;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links li { width: 100%; padding: 10px 0; border-bottom: 1px solid var(--arena); }
  .nav__cta .btn span.btn-text-full { display: none; }
  .nav__toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 90px 0 80px;
  background: linear-gradient(160deg, var(--azul) 0%, var(--azul-oscuro) 100%);
  color: var(--blanco);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  border: 60px solid rgba(222,148,98,0.14);
  right: -180px; top: -160px;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { color: var(--blanco); }
.hero .lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,.86);
  max-width: 46ch;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-art {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-art img { max-width: 280px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; padding: 24px; }
  .hero-art img { max-width: 180px; }
}

/* Hero simple (páginas internas) */
.page-hero {
  padding: 64px 0 56px;
  background: linear-gradient(160deg, var(--azul) 0%, var(--azul-oscuro) 100%);
  color: var(--blanco);
}
.page-hero h1 { color: var(--blanco); margin-bottom: 14px; }
.page-hero .lead { color: rgba(255,255,255,.85); max-width: 60ch; font-size: 1.05rem; margin: 0; }

/* ---------- Secciones ---------- */
section { padding: 76px 0; }
.section-alt { background: var(--blanco); }
.section-arena { background: var(--arena); }
.section-azul { background: var(--azul); color: var(--blanco); }
.section-azul h2, .section-azul h3 { color: var(--blanco); }

.section-head { max-width: 660px; margin: 0 0 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Cards de servicios ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--arena);
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.card__icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: rgba(18,52,118,.08);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
}

.card--terracota .card__icon { background: rgba(222,148,98,.22); }
.card--verde .card__icon { background: rgba(110,139,116,.18); }

.card ul { margin: 14px 0 0; padding-left: 20px; }
.card li { margin-bottom: 6px; }

/* ---------- Listas de valores / pasos ---------- */
.steps {
  list-style: none;
  margin: 0; padding: 0;
  counter-reset: step;
  display: grid;
  gap: 20px;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding: 22px 24px 22px 68px;
  background: var(--blanco);
  border-radius: var(--radius-sm);
  border: 1px solid var(--arena);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 20px; top: 50%;
  transform: translateY(-50%);
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--terracota);
  color: var(--azul-oscuro);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Badge / callout ---------- */
.callout {
  border-radius: var(--radius);
  padding: 28px 32px;
  border: 1px dashed var(--dorado);
  background: rgba(201, 162, 39, 0.08);
}
.callout .eyebrow { background: rgba(201,162,39,.18); color: #8a6c14; }

/* ---------- Formulario ---------- */
.form-grid {
  display: grid;
  gap: 18px;
}
.form-grid label {
  display: block;
  font-weight: 600;
  font-size: .88rem;
  margin-bottom: 6px;
  color: var(--azul);
}
.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  font-family: var(--font);
  font-size: 1rem;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--arena);
  background: var(--blanco);
  color: var(--grafito);
}
.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--azul);
}
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form-row-2 { grid-template-columns: 1fr; } }

.form-note { font-size: .85rem; color: #5b5b6b; margin-top: 10px; }

/* ---------- Contacto ---------- */
.contact-methods { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.contact-methods li {
  display: flex; align-items: center; gap: 16px;
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
}
.contact-methods .ic {
  width: 44px; height: 44px; flex: none;
  border-radius: 12px;
  background: rgba(18,52,118,.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.contact-methods a { font-weight: 600; color: var(--azul); }
.contact-methods a:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--azul-oscuro);
  color: rgba(255,255,255,.85);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand img { height: 38px; margin-bottom: 14px; }
.footer-brand p { color: rgba(255,255,255,.65); max-width: 34ch; }
.footer h4 {
  color: var(--blanco);
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer a:hover { color: var(--terracota); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.14);
  padding-top: 22px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: .85rem;
  color: rgba(255,255,255,.55);
}
.social-row { display: flex; gap: 12px; }
.social-row a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center;
}
.social-row a:hover { background: var(--terracota); border-color: var(--terracota); color: var(--azul-oscuro); }

@media (max-width: 780px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 200;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,.25);
  font-size: 1.6rem;
}
.wa-float:hover { transform: scale(1.06); }

/* ---------- Utilidades ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.small { font-size: .88rem; color: #5b5b6b; }
.divider { height: 1px; background: var(--arena); border: none; margin: 56px 0; }