/* =============================================================
   InfraGestion - estilos del sitio
   ============================================================= */

:root {
  --color-primary: #1F4E79;
  --color-primary-dark: #173E5F;
  --color-primary-light: #EAF2F8;
  --color-accent: #E8A33D;
  --color-accent-dark: #C88827;
  --color-text: #1A202C;
  --color-text-muted: #595959;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F8FAFC;
  --color-border: #E2E8F0;
  --color-success: #2D7A48;
  --color-error: #B83A3A;

  --container: 1180px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 3px rgba(15, 23, 42, .06);
  --shadow-md: 0 4px 8px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --t: 0.2s cubic-bezier(.4,0,.2,1);
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--color-primary-dark); }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: var(--color-text); margin-top: 0; }
h1 { font-size: clamp(2rem, 4vw + 1rem, 3.2rem); letter-spacing: -.02em; margin-bottom: 1rem; }
h2 { font-size: clamp(1.6rem, 2vw + .8rem, 2.2rem); margin-bottom: .9rem; letter-spacing: -.01em; }
h3 { font-size: 1.25rem; margin-bottom: .6rem; }
h4 { font-size: 1.05rem; margin-bottom: .6rem; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.4rem; }
li { margin-bottom: .3rem; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.skip-link {
  position: absolute; left: -9999px;
  background: var(--color-primary); color: #fff;
  padding: 8px 16px; z-index: 9999;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--t);
  text-decoration: none;
  line-height: 1.2;
}
.btn-sm { padding: 10px 18px; font-size: .94rem; }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-accent {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
  font-weight: 700;
  text-shadow: 0 1px 1px rgba(0,0,0,.15);
}
.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #FFFFFF;
}
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-ghost:hover {
  background: var(--color-primary);
  color: #fff;
}
.btn-link {
  background: none;
  color: var(--color-primary);
  border: none;
  padding: 0;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

/* ----- Header ----- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 36px; height: 36px; }
.brand-img { height: 56px; width: auto; display: block; }
@media (max-width: 480px) { .brand-img { height: 44px; } }
.brand-text {
  font-size: 1.25rem; font-weight: 500;
  color: var(--color-text); letter-spacing: -.01em;
}
.brand-text strong { font-weight: 800; color: var(--color-primary); }

.primary-nav ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; align-items: center; gap: 6px;
}
.primary-nav a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  color: var(--color-text);
  font-weight: 500;
  font-size: .96rem;
}
.primary-nav a:hover { background: var(--color-bg-soft); color: var(--color-primary); }
.primary-nav a.active { color: var(--color-primary); }
.primary-nav .has-submenu { position: relative; }
.primary-nav .submenu {
  display: none;
  position: absolute;
  top: 100%; left: 0;
  min-width: 260px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 6px;
  flex-direction: column;
  align-items: stretch;
  margin-top: 4px;
}
.primary-nav .has-submenu:hover .submenu,
.primary-nav .has-submenu:focus-within .submenu { display: flex; }
.primary-nav .submenu li { width: 100%; }
.primary-nav .submenu a {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  text-align: left;
}
.primary-nav .caret { font-size: .7rem; opacity: .7; }

/* Nav CTA: el boton "Pide tu diagnostico" del header.
   Necesita reglas mas especificas para vencer a .primary-nav a (que es oscuro). */
.primary-nav .nav-cta a,
.primary-nav .nav-cta a:link,
.primary-nav .nav-cta a:visited {
  color: #fff;
  background: var(--color-primary);
  font-weight: 700;
}
.primary-nav .nav-cta a:hover {
  color: #fff;
  background: var(--color-primary-dark);
  transform: none;
}

.nav-toggle {
  display: none;
  background: none; border: none;
  padding: 8px; cursor: pointer;
  width: 44px; height: 44px;
}
.nav-toggle span {
  display: block; height: 2px; width: 24px;
  background: var(--color-text); margin: 5px auto;
  transition: transform var(--t), opacity var(--t);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----- Section helpers ----- */
.section { padding: 84px 0; }
.section-sm { padding: 56px 0; }
.section-soft { background: var(--color-bg-soft); }
.section-primary { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: #fff; }
.section-primary h1, .section-primary h2, .section-primary h3 { color: #fff; }
.section-light { background: var(--color-primary-light); }
.eyebrow {
  display: inline-block;
  font-size: .85rem; font-weight: 700;
  color: var(--color-primary); text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 12px;
}
.section-primary .eyebrow { color: #ffd084; }
.lead { font-size: 1.15rem; color: var(--color-text-muted); margin-bottom: 1.4rem; max-width: 720px; }
.section-primary .lead { color: rgba(255,255,255,.85); }
.text-center { text-align: center; }
.center-stack { max-width: 720px; margin: 0 auto; }

/* ----- Hero ----- */
.hero {
  padding: 96px 0 84px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; inset: auto -10% -40% auto;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(232,163,61,.18), transparent 70%);
  pointer-events: none;
}
.hero h1 { color: #fff; }
.hero p { color: rgba(255,255,255,.9); font-size: 1.15rem; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-actions .btn-ghost { color: #fff; border-color: rgba(255,255,255,.5); }
.hero-actions .btn-ghost:hover { background: #fff; color: var(--color-primary); }
.hero .container { position: relative; z-index: 2; }

/* ----- Cards grid ----- */
.cards-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 32px;
}
.card {
  background: #fff;
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: transform var(--t), box-shadow var(--t);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 10px;
  margin-bottom: 18px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: .5rem; }
.card .card-link {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 12px; font-weight: 600;
}
.card .card-link::after { content: '→'; transition: transform var(--t); }
.card .card-link:hover::after { transform: translateX(3px); }
.card .price-tag {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600; font-size: .85rem;
  border-radius: 999px;
}

/* ----- Service blocks (vertical pages) ----- */
.service-block {
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}
.service-block:last-child { border-bottom: none; }
.service-block h3 {
  font-size: 1.4rem;
  color: var(--color-primary);
  display: flex; align-items: center; gap: 12px;
}
.service-block h3::before {
  content: ''; display: inline-block;
  width: 4px; height: 22px;
  background: var(--color-accent);
  border-radius: 2px;
}
.service-block ul { margin-top: 8px; }

/* ----- Process steps ----- */
.process-steps {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 32px;
  counter-reset: step;
}
.process-step {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
}
.process-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; top: -18px; left: 24px;
  width: 38px; height: 38px;
  background: var(--color-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem;
  border-radius: 50%;
  border: 4px solid var(--color-bg-soft);
}
.process-step h3 { margin-top: 12px; }

/* ----- Vertical cards for "Para quien" ----- */
.vertical-cards {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 32px;
}
.vertical-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: left;
  display: flex; flex-direction: column;
  transition: transform var(--t), box-shadow var(--t);
}
.vertical-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.vertical-card .vc-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.vertical-card .vc-icon svg { width: 30px; height: 30px; }
.vertical-card h3 { color: var(--color-primary); font-size: 1.3rem; }
.vertical-card .vc-link {
  margin-top: auto; padding-top: 16px;
  font-weight: 600;
}
.vertical-card .vc-link::after { content: ' →'; }

/* Vertical card destacada (foco principal) */
.vertical-card.featured {
  border: 2px solid var(--color-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  position: relative;
}
.vertical-card.featured:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
}
.vertical-card .vc-badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
  align-self: flex-start;
}

/* ----- Why list ----- */
.why-list {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 32px;
  list-style: none; padding: 0;
}
.why-list li {
  background: #fff;
  border-left: 4px solid var(--color-accent);
  padding: 20px 22px;
  border-radius: 0 10px 10px 0;
  box-shadow: var(--shadow-sm);
  margin: 0;
}
.why-list strong { color: var(--color-primary); display: block; margin-bottom: 6px; }

/* ----- CTA banner ----- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  margin: 48px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; inset: -20% -10% auto auto;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(232,163,61,.25), transparent 70%);
  pointer-events: none;
}
.cta-banner h2 { color: #fff; max-width: 760px; margin: 0 auto 12px; position: relative; z-index: 1; }
.cta-banner p { color: rgba(255,255,255,.88); max-width: 600px; margin: 0 auto 24px; position: relative; z-index: 1; }
.cta-banner .btn { position: relative; z-index: 1; }
.cta-banner .btn-accent { box-shadow: 0 6px 18px rgba(232,163,61,.3); }

/* ----- Form ----- */
.contact-grid {
  display: grid;
  gap: 48px;
  grid-template-columns: 1.6fr 1fr;
  align-items: start;
  margin-top: 24px;
}
.contact-form {
  background: #fff;
  padding: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: .96rem;
}
.form-row label .req { color: var(--color-error); }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
  transition: border-color var(--t), box-shadow var(--t);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31,78,121,.12);
}
.form-row textarea { min-height: 110px; resize: vertical; }
.form-row.checkbox-row { display: flex; align-items: flex-start; gap: 10px; }
.form-row.checkbox-row input { width: auto; margin-top: 4px; }
.form-row.checkbox-row label { font-weight: 400; font-size: .9rem; color: var(--color-text-muted); margin: 0; }
.form-hp { position: absolute; left: -9999px; height: 0; opacity: 0; }
.form-submit { width: 100%; margin-top: 8px; }

.contact-info {
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-info h3 { color: var(--color-primary); }
.contact-info ul { list-style: none; padding: 0; }
.contact-info li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0;
  margin: 0;
}
.contact-info li svg { width: 20px; height: 20px; color: var(--color-primary); flex-shrink: 0; margin-top: 3px; }
.contact-info a { color: var(--color-text); }

.alert {
  padding: 16px 20px;
  border-radius: 10px;
  margin-bottom: 24px;
  border-left: 4px solid;
}
.alert-success { background: #E8F5EC; border-color: var(--color-success); color: #1c4d2e; }
.alert-error { background: #FBE9E9; border-color: var(--color-error); color: #7a1f1f; }

/* ----- Footer ----- */
.site-footer {
  background: #0F2F4A;
  color: #D8E2EC;
  padding: 64px 0 24px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  gap: 36px;
  grid-template-columns: 1.4fr repeat(3, 1fr);
}
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 12px; }
.site-footer ul { list-style: none; padding: 0; }
.site-footer ul li { padding: 4px 0; margin: 0; }
.site-footer a { color: #D8E2EC; font-size: .96rem; }
.site-footer a:hover { color: #fff; }
.site-footer .brand { text-decoration: none; }
.site-footer .brand-text,
.site-footer .brand-text strong { color: #fff; }
.footer-logo {
  width: 48px; height: 48px;
  display: block;
  border-radius: 8px;
  background: #fff;
  padding: 4px;
  object-fit: contain;
}
.footer-tagline { margin-top: 16px; color: #E2EBF3; font-size: .98rem; line-height: 1.55; }
.footer-bottom {
  border-top: 1px solid #2A4A6B;
  margin-top: 48px;
  padding-top: 22px;
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: .88rem;
  color: #B8C7D6;
}

/* ----- WhatsApp float ----- */
.whatsapp-float {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 56px; height: 56px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,.4);
  z-index: 90;
  transition: transform var(--t);
}
.whatsapp-float:hover { transform: scale(1.08); color: #fff; }
.whatsapp-float svg { width: 30px; height: 30px; }

/* ----- Responsive ----- */
@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
  .cta-banner { padding: 40px 24px; margin: 32px 0; }
  .nav-toggle { display: block; }
  .primary-nav {
    position: fixed; top: 70px; left: 0; right: 0;
    background: #fff;
    border-top: 1px solid var(--color-border);
    max-height: 0; overflow: hidden;
    transition: max-height .3s ease;
  }
  .primary-nav.open { max-height: 100vh; padding: 12px 0 24px; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 0 20px; }
  .primary-nav li { width: 100%; }
  .primary-nav a { display: block; padding: 14px 12px; border-radius: 8px; }
  .primary-nav .submenu {
    position: static;
    display: block;
    box-shadow: none;
    border: none;
    margin: 0 0 0 16px;
    padding: 0;
    background: transparent;
  }
  .primary-nav .submenu a { padding: 8px 12px; }
  .primary-nav .nav-cta a { text-align: center; margin-top: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .contact-form { padding: 24px; }
  .contact-info { padding: 24px; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .brand-text { font-size: 1.1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}