/* ==========================================================================
   Agencia Plus — Hoja de estilos principal
   Estructura: Variables > Reset > Utilidades > Componentes > Secciones > Responsive
   ========================================================================== */

/* ---------- Variables ---------- */
:root {
  --color-primary: #1e3a8a;
  --color-primary-dark: #142a63;
  --color-primary-light: #3b5bc4;
  --color-accent: #0ea5e9;
  --color-accent-dark: #0284c7;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f1f4d;
  --color-border: #e5e7eb;
  --color-success: #059669;
  --font-heading: 'Poppins', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(15, 31, 77, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 31, 77, 0.10);
  --shadow-lg: 0 20px 45px rgba(15, 31, 77, 0.14);
  --container-width: 1160px;
  --transition: all 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

input, textarea, select { font-family: inherit; font-size: 1rem; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-primary-dark);
}

h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); }
h3 { font-size: 1.25rem; }

p { color: var(--color-text-light); }

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

.section { padding: 96px 0; }
.section--sm { padding: 64px 0; }
.section--alt { background: var(--color-bg-alt); }
.section--dark {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary) 100%);
  color: #fff;
}
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: rgba(255,255,255,0.78); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(14, 165, 233, 0.1);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section--dark .eyebrow {
  color: #bfe4fb;
  background: rgba(255,255,255,0.12);
}

.section-head {
  max-width: 680px;
  margin: 0 0 56px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 14px; font-size: 1.05rem; }

.text-center { text-align: center; }

.grid {
  display: grid;
  gap: 32px;
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.98rem;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 10px 25px rgba(14, 165, 233, 0.35);
}
.btn--primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); }

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn--outline:hover { border-color: var(--color-primary); background: var(--color-bg-alt); }

.section--dark .btn--outline {
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.section--dark .btn--outline:hover { background: rgba(255,255,255,0.08); }

.btn--block { width: 100%; }
.btn--lg { padding: 16px 34px; font-size: 1.05rem; }

.btn-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Header / Navegación ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-primary-dark);
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.96rem;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--color-accent-dark); }
.nav-links a.active { color: var(--color-primary); font-weight: 600; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 96px;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(14,165,233,0.12), transparent 60%),
    linear-gradient(180deg, #f4f8ff 0%, #ffffff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero h1 { margin-bottom: 22px; }
.hero .lead { font-size: 1.15rem; margin-bottom: 34px; max-width: 540px; }

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stats .stat-num {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--color-primary);
}
.hero-stats .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* Visual placeholder tipo "panel" (sin imágenes externas) */
.hero-visual {
  position: relative;
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-bg-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 34px;
  color: #fff;
  box-shadow: var(--shadow-lg);
  min-height: 380px;
}
.hero-visual .panel-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.65);
  margin-bottom: 18px;
}
.lead-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 12px;
}
.lead-row .name { font-weight: 600; font-size: 0.95rem; }
.lead-row .meta { font-size: 0.78rem; color: rgba(255,255,255,0.6); }
.lead-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(14,165,233,0.25);
  color: #bfe4fb;
}
.lead-tag.hot { background: rgba(5,150,105,0.28); color: #a7f3d0; }

/* ---------- Iconos (SVG en línea) ---------- */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 58, 138, 0.08);
  color: var(--color-primary);
  margin-bottom: 20px;
}
.icon-box svg { width: 26px; height: 26px; }

/* ---------- Tarjetas de servicio ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  height: 100%;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }

.card h3 { margin-bottom: 12px; }
.card p { font-size: 0.96rem; }

.card-list { margin-top: 18px; }
.card-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-text-light);
  padding: 6px 0;
}
.card-list li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-accent-dark);
}
.card-link svg { width: 16px; height: 16px; transition: var(--transition); }
.card-link:hover svg { transform: translateX(4px); }

/* ---------- Proceso / pasos ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 32px 24px 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 18px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; }

/* ---------- Franja de confianza / logos ---------- */
.trust-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 36px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.trust-strip span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- CTA final ---------- */
.cta-box {
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-bg-dark) 100%);
  color: #fff;
}
.cta-box h2 { color: #fff; margin-bottom: 14px; }
.cta-box p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 32px; }

/* ---------- Página de servicios ---------- */
.service-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
  padding: 72px 0;
  border-bottom: 1px solid var(--color-border);
}
.service-block:last-child { border-bottom: none; }
.service-block.reverse { grid-template-columns: 1.1fr 0.9fr; }
.service-block.reverse .service-copy { order: 2; }
.service-block.reverse .service-panel { order: 1; }

.service-panel {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.service-panel ul { display: grid; gap: 14px; }
.service-panel li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.94rem;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.service-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

/* ---------- Nosotros ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.timeline { display: grid; gap: 0; }
.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-item .t-label {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-accent-dark);
}

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: flex-start;
}

.contact-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-item:last-child { border-bottom: none; }
.contact-item .icon-box { margin-bottom: 0; flex-shrink: 0; width: 44px; height: 44px; }
.contact-item h3 { font-size: 0.98rem; margin-bottom: 4px; }
.contact-item p { font-size: 0.92rem; margin: 0; }

.form-panel {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(14,165,233,0.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.82rem; color: var(--color-text-muted); margin-top: 14px; }
.form-success {
  display: none;
  background: rgba(5,150,105,0.08);
  border: 1px solid rgba(5,150,105,0.3);
  color: var(--color-success);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  margin-bottom: 20px;
  font-weight: 600;
}
.form-success.show { display: block; }

/* ---------- FAQ ---------- */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 1rem;
  text-align: left;
  background: #fff;
}
.faq-question .plus { transition: transform 0.25s ease; font-size: 1.3rem; color: var(--color-accent); }
.faq-item.open .faq-question .plus { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: var(--color-bg-alt);
}
.faq-answer p { padding: 0 24px 20px; font-size: 0.94rem; }
.faq-item.open .faq-answer { max-height: 300px; }

/* ---------- Mapa embebido ---------- */
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-top: 48px;
}
.map-wrap iframe { width: 100%; height: 320px; border: 0; display: block; }

/* ---------- Footer ---------- */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 72px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer .logo { color: #fff; margin-bottom: 16px; }
.footer-desc { font-size: 0.92rem; max-width: 280px; }
.footer h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.footer ul li { margin-bottom: 12px; }
.footer ul li a { font-size: 0.92rem; transition: var(--transition); }
.footer ul li a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}
.social-row { display: flex; gap: 12px; }
.social-row a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.social-row a:hover { background: var(--color-accent); }
.social-row svg { width: 17px; height: 17px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .about-hero { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .grid--3, .grid--4, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-block, .service-block.reverse {
    grid-template-columns: 1fr;
  }
  .service-block.reverse .service-copy,
  .service-block.reverse .service-panel { order: initial; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  .nav.open .nav-links a { padding: 10px 0; width: 100%; }
  .section { padding: 64px 0; }
  .grid--2, .grid--3, .grid--4, .value-grid, .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 24px; }
  .hero-stats { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}