/* ============================================
   CON SENTIDO CONSULTING — Estilos principales
   ============================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--color-gray-800);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin: 0 0 var(--space-2);
  color: var(--color-black);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.section { padding: var(--space-6) 0; }
.section--tight { padding: var(--space-5) 0; }
.section--alt { background: var(--color-gray-50); }
.section--dark {
  background: var(--color-black);
  color: var(--color-white);
}
.section--dark h2, .section--dark h3 { color: var(--color-white); }
.section--primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.section--primary h2, .section--primary h3 { color: var(--color-white); }

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-4);
}
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: var(--color-gray-600); font-size: var(--fs-lg); }
.section--dark .section-head p,
.section--primary .section-head p { color: rgba(255,255,255,0.85); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-outline {
  background: transparent;
  border-color: var(--color-black);
  color: var(--color-black);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.section--primary .btn-outline,
.section--dark .btn-outline {
  border-color: var(--color-white);
  color: var(--color-white);
}
.section--primary .btn-outline:hover,
.section--dark .btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}
.btn-light { background: var(--color-white); color: var(--color-primary); }
.btn-light:hover { background: var(--color-gray-100); }

.cta-group { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-gray-100);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
}
.nav-logo img { height: 30px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav-links a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-gray-800);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--color-primary); border-color: var(--color-primary); }

/* CTA del header: anillo blanco para que resalte sobre el fondo del header */
.nav-links .btn-primary {
  color: #fff;
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--color-primary), 0 8px 18px rgba(212, 20, 90, 0.35);
}
.nav-links .btn-primary:hover {
  box-shadow: 0 0 0 2px var(--color-primary-dark), 0 10px 22px rgba(212, 20, 90, 0.45);
}
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    inset: 68px 0 0 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3);
    gap: var(--space-3);
    transform: translateX(100%);
    transition: transform var(--ease);
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-toggle {
    display: inline-flex;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
  }
  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    position: relative;
    transition: transform var(--ease);
  }
  .nav-toggle span::before,
  .nav-toggle span::after { content: ""; position: absolute; }
  .nav-toggle span::before { top: -7px; }
  .nav-toggle span::after { top: 7px; }
}

/* ---------- Hero ---------- */
.hero {
  padding: var(--space-6) 0 var(--space-5);
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
}
.hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: var(--space-5);
  align-items: center;
}
.hero h1 {
  font-size: clamp(1.9rem, 5.6vw, var(--fs-4xl));
}
.hero .lede {
  font-size: var(--fs-lg);
  color: var(--color-gray-600);
  max-width: 46ch;
  margin-bottom: var(--space-3);
}
.hero-photo {
  position: relative;
  justify-self: center;
}
.hero-photo img {
  width: min(340px, 60vw);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}
.hero-photo::after {
  content: "";
  position: absolute;
  inset: -18px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  z-index: -1;
}
.hero-photo .hero-tag {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  max-width: 90vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 860px) {
  .hero .container { grid-template-columns: minmax(0, 1fr); text-align: center; }
  .hero .lede { margin-left: auto; margin-right: auto; }
  .hero .cta-group { justify-content: center; }
  .hero-photo { order: -1; }
}

/* ---------- Grid de pilares / tarjetas ---------- */
.grid {
  display: grid;
  gap: var(--space-3);
  min-width: 0;
}
.grid > * { min-width: 0; }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 960px) {
  .grid--4, .grid--5, .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .grid--4, .grid--5, .grid--3 { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.card .icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-tint);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-2);
}
.card h3 { font-size: var(--fs-lg); margin-bottom: 0.4rem; }
.card p { color: var(--color-gray-600); font-size: var(--fs-sm); margin: 0; }

/* tarjetas sobre fondo oscuro/magenta */
.section--dark .card,
.section--primary .card {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.14);
}
.section--dark .card p,
.section--primary .card p { color: rgba(255,255,255,0.75); }
.section--dark .card h3,
.section--primary .card h3 { color: var(--color-white); }
.section--dark .card .icon,
.section--primary .card .icon {
  background: rgba(255,255,255,0.14);
  color: var(--color-white);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.section--dark .card-link,
.section--primary .card-link { color: var(--color-white); }
.card-link .arrow { transition: transform var(--ease); }
.card:hover .card-link .arrow { transform: translateX(4px); }

/* ---------- Metodología ARTE ---------- */
.arte-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}

/* ---------- Split (texto + panel) ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: center;
}
@media (max-width: 860px) {
  .split { grid-template-columns: minmax(0, 1fr); }
}
.split-panel {
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.check-list li {
  display: flex;
  gap: 0.6rem;
  padding: 0.4rem 0;
  font-size: var(--fs-sm);
  color: var(--color-gray-800);
}
.check-list li::before {
  content: "\2713";
  color: var(--color-primary);
  font-weight: 700;
}

/* ---------- Logos (clientes / aliados) ---------- */
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
}
.logo-strip img { height: 56px; width: auto; filter: grayscale(100%); opacity: 0.75; transition: filter var(--ease), opacity var(--ease); }
.logo-strip img:hover { filter: grayscale(0%); opacity: 1; }
.logo-placeholder {
  height: 56px;
  padding: 0 var(--space-3);
  display: flex;
  align-items: center;
  border: 1px dashed var(--color-gray-300);
  border-radius: var(--radius-sm);
  color: var(--color-gray-600);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.ally-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}
.ally-badges span {
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-full);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  font-size: var(--fs-sm);
  font-weight: 600;
}

/* ---------- CTA final ---------- */
.cta-banner {
  text-align: center;
}
.cta-banner h2 { font-size: var(--fs-3xl); max-width: 20ch; margin: 0 auto var(--space-2); }
.cta-banner p { font-size: var(--fs-lg); color: rgba(255,255,255,0.85); max-width: 50ch; margin: 0 auto var(--space-4); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.75);
  padding: var(--space-5) 0 var(--space-3);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (max-width: 760px) {
  .footer-top { grid-template-columns: 1fr; }
}
.footer-top img { height: 26px; margin-bottom: var(--space-2); }
.footer-top p { font-size: var(--fs-sm); max-width: 34ch; }
.footer-col h4 {
  color: var(--color-white);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}
.footer-col li { padding: 0.25rem 0; font-size: var(--fs-sm); }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.5);
}
.socials { display: flex; gap: var(--space-2); }
.socials a {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  transition: border-color var(--ease), background var(--ease);
}
.socials a:hover { background: var(--color-primary); border-color: var(--color-primary); }

/* ---------- Utilidades ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.text-accent { color: var(--color-primary); }