/* Collection Services — estilos del sitio
   Colores institucionales aproximados desde el Manual de Normas Gráficas
   (Pantone 7738 C / 444 C). Verificar hex exacto contra el archivo vectorial
   original del logo antes de producción final si se requiere precisión de marca. */

:root {
  --green: #4EA72E;
  --green-dark: #3d8524;
  --gray: #6D7B7D;
  --dark: #2c3233;
  --ink: #333939;
  --bg: #ffffff;
  --bg-alt: #f4f6f5;
  --border: #e3e7e6;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(44, 50, 51, 0.08);
  --max-width: 1140px;
  --font-heading: 'Montserrat', Arial, sans-serif;
  --font-body: 'Questrial', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

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

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 .6em;
  line-height: 1.15;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.green { color: var(--green); }
.gray  { color: var(--gray); }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--green);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-mark { line-height: 0; }
.logo-type { display: flex; flex-direction: column; }
.logo-word {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: .2px;
  white-space: nowrap;
}
.logo-word.small { font-size: 1.05rem; }
.logo-slogan {
  font-size: .62rem;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--gray);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--ink);
  font-weight: 500;
}
.main-nav a:hover { color: var(--green-dark); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: .92rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); box-shadow: 0 6px 16px rgba(78,167,46,.35); }
.btn-ghost { border-color: var(--dark); color: var(--dark); background: transparent; }
.btn-ghost:hover { background: var(--dark); color: #fff; }
.btn-block { display: block; width: 100%; text-align: center; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 6px;
  cursor: pointer;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--dark); border-radius: 2px; }

/* Hero */
.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(circle at 85% 15%, rgba(78,167,46,.12), transparent 55%),
    var(--bg);
}
.hero-inner { max-width: 780px; }
.hero-lead { font-size: 1.1rem; color: var(--gray); max-width: 620px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.eyebrow {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 8px;
}
.subheading { margin-top: 48px; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.stat-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.stat-list li {
  display: flex;
  flex-direction: column;
  border-left: 3px solid var(--green);
  padding-left: 14px;
}
.stat-num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--dark);
}

.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--ink);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--green);
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(78,167,46,.12);
  color: var(--green-dark);
  margin-bottom: 16px;
}
.card-icon svg { width: 24px; height: 24px; }
.card p { color: var(--gray); margin-bottom: 0; }

/* Acceso clientes */
.access-card {
  background: var(--dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px;
}
.access-card h3 { color: #fff; }
.access-card p { color: #cfd6d5; }
.access-card .btn-primary { margin: 10px 0; }
.access-note { font-size: .8rem; color: #a9b3b2; margin-top: 10px; }

/* Clientes */
.clients-wall {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.clients-wall li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 12px;
  text-align: center;
  font-size: .85rem;
  color: var(--gray);
  font-weight: 500;
}

/* Contacto */
.contact-info { list-style: none; margin: 0; padding: 0; }
.contact-info li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--ink);
}
.contact-info svg { color: var(--green-dark); flex-shrink: 0; }

.contact-form { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }
.form-row input, .form-row textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: .95rem;
  background: #fff;
}
.form-row input:focus, .form-row textarea:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
}
.hp-field { position: absolute; left: -9999px; top: -9999px; }
.form-status { margin-top: 12px; font-size: .9rem; min-height: 1.2em; }
.form-status.ok { color: var(--green-dark); }
.form-status.err { color: #b3261e; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(27, 31, 32, .55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity .22s ease;
}
.modal-overlay[hidden] { display: none; }
.modal-overlay.open { opacity: 1; }

.modal {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 16px;
  padding: 36px 30px 30px;
  text-align: center;
  box-shadow: 0 24px 60px -10px rgba(20, 24, 24, .35), 0 2px 8px rgba(20, 24, 24, .08);
  transform: translateY(14px) scale(.96);
  opacity: 0;
  transition: transform .25s cubic-bezier(.22, 1, .36, 1), opacity .22s ease;
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); opacity: 1; }

.modal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(78, 167, 46, .12);
  color: var(--green-dark);
  margin-bottom: 18px;
}

.modal h3 { margin-bottom: 10px; }
.modal p { color: var(--gray); margin-bottom: 24px; }

.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 0;
  background: transparent;
  color: var(--gray);
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.modal-close:hover { background: var(--bg-alt); color: var(--dark); }

@media (prefers-reduced-motion: reduce) {
  .modal-overlay, .modal { transition: none; }
}

/* Footer */
.site-footer { background: var(--dark); color: #cfd6d5; padding: 32px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-slogan { font-size: .78rem; text-transform: uppercase; letter-spacing: .6px; color: #9aa5a4; margin: 4px 0 0; }
.footer-copy { font-size: .85rem; color: #9aa5a4; margin: 0; }

/* Responsive */
@media (max-width: 880px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-wall { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 8px 24px 16px; }
  .main-nav li { border-top: 1px solid var(--border); }
  .main-nav a { display: block; padding: 12px 0; }
  .nav-toggle { display: flex; }
  .header-actions .btn-primary { display: none; }
  .grid-2 { grid-template-columns: 1fr; gap: 32px; }
  .cards-grid { grid-template-columns: 1fr; }
  .clients-wall { grid-template-columns: repeat(2, 1fr); }
  .logo-slogan { display: none; }
}