/* =========================================
   Praxis Operativa — Design System
   ========================================= */

/* --- Variables --- */
:root {
  --color-brand:       #1C3A5A;
  --color-brand-dark:  #0F2540;
  --color-brand-light: #EBF0F7;
  --color-gold:        #B89A4E;
  --color-gold-dark:   #9A8040;
  --color-gold-light:  #F7F3E8;
  --color-accent:      #00C48C;
  --color-dark:        #0E1B28;
  --color-dark-2:      #152030;
  --color-dark-3:      #1E2D3E;
  --color-gray:        #F1F3F7;
  --color-gray-2:      #E3E8F0;
  --color-text:        #1A1D23;
  --color-text-muted:  #5D6B82;
  --color-text-light:  #96A3B8;
  --color-white:       #FFFFFF;
  --color-whatsapp:    #25D366;
  --color-alert:       #EF4444;

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

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.14);
  --shadow-xl:  0 24px 64px rgba(0,0,0,.18);

  --transition: 0.2s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 88px 0; }
.section--dark  { background: var(--color-dark); color: var(--color-white); }
.section--gray  {
  background: var(--color-gray);
  background-image:
    repeating-linear-gradient(
      135deg,
      transparent 0px, transparent 48px,
      rgba(28,58,90,.028) 48px, rgba(28,58,90,.028) 49px
    );
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-gold);
  background: none;
  padding: 0;
  border: none;
  border-radius: 0;
  margin-bottom: 20px;
  line-height: 1.4;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  transform: rotate(45deg);
  flex-shrink: 0;
  opacity: .85;
}
.section--dark .section-label { color: var(--color-gold); }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 800; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 16px; }
h3 { font-size: 1.2rem; margin-bottom: 8px; }
h4 { font-size: 1rem; margin-bottom: 8px; }

.section-lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.7;
}
.section--dark .section-lead { color: #9BA3AF; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-lg { font-size: 16px; padding: 16px 32px; }

.btn-primary {
  background: var(--color-brand);
  color: var(--color-white);
  border-color: var(--color-brand);
}
.btn-primary:hover { background: var(--color-brand-dark); border-color: var(--color-brand-dark); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(26,108,242,.35); }

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

.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.4);
}
.btn-outline-light:hover { background: rgba(255,255,255,.1); border-color: var(--color-white); }

.btn-whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-white);
  border-color: var(--color-whatsapp);
}
.btn-whatsapp:hover { background: #1EB857; border-color: #1EB857; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(37,211,102,.35); }

/* =========================================
   HEADER
   ========================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.95);
  border-bottom: 1px solid var(--color-gray-2);
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  backdrop-filter: blur(12px);
  z-index: -1;
}

.nav-container {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--color-brand);
  color: var(--color-white);
  font-weight: 900;
  font-size: 14px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: .04em;
}

.logo-text {
  font-weight: 800;
  font-size: 16px;
  color: var(--color-dark);
}

.main-nav { margin-left: auto; }

.main-nav > ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav > ul > li { position: relative; }

.main-nav > ul > li > a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.main-nav > ul > li > a:hover { color: var(--color-brand); background: var(--color-brand-light); }
.main-nav > ul > li > a.nav-active {
  color: var(--color-brand);
  background: var(--color-brand-light);
  position: relative;
}
.main-nav > ul > li > a.nav-active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--color-brand);
  border-radius: 2px;
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--color-white);
  border: 1px solid var(--color-gray-2);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  min-width: 240px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 200;
}
.has-dropdown:hover .dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.dropdown li a {
  display: block;
  padding: 9px 14px;
  font-size: 14px;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.dropdown li a:hover { background: var(--color-brand-light); color: var(--color-brand); }

.nav-cta {
  margin-left: 8px;
  background: var(--color-gold) !important;
  border-color: var(--color-gold) !important;
  color: #fff !important;
  letter-spacing: 0.01em;
}
.nav-cta:hover {
  background: var(--color-gold-dark) !important;
  border-color: var(--color-gold-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(184,154,78,.35) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* =========================================
   HERO
   ========================================= */
.hero {
  background: linear-gradient(160deg, #F8FAFC 0%, #EBF0F7 55%, #F5F0EA 100%);
  padding: 88px 0 112px;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(28,58,90,0.055) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-gold);
  background: none;
  border: none;
  padding: 0;
  margin-bottom: 24px;
}
.hero-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  transform: rotate(45deg);
  flex-shrink: 0;
  opacity: .85;
}

.hero h1 { margin-bottom: 20px; }

.hero-lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 36px;
  padding: 20px 24px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-2);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat strong {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-gold);
  line-height: 1;
}
.stat span {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual { position: relative; }

.hero-card {
  background: var(--color-dark);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-dark-3);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-dark-3);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.green { background: var(--color-accent); box-shadow: 0 0 8px rgba(0,196,140,.5); }

.hero-card-header span {
  font-size: 13px;
  font-weight: 600;
  color: #7BB3FF;
}

.hero-checklist { display: flex; flex-direction: column; gap: 10px; }

.hero-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: #CBD5E1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-dark-3);
}
.hero-checklist li.ok::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 900;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: rgba(0,196,140,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 11px;
}

.hero-card-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-dark-3);
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
  text-align: center;
}

/* =========================================
   TECH STACK
   ========================================= */
.tech-stack {
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-2);
  border-bottom: 1px solid var(--color-gray-2);
  padding: 32px 0;
}

.tech-stack-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 20px;
}

.tech-stack-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border: 1px solid var(--color-gray-2);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-width: 88px;
  cursor: default;
}
.tech-item:hover {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-sm);
}
.tech-item span {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  white-space: nowrap;
}

/* =========================================
   CLIENTS BAR
   ========================================= */
.clients-bar {
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-2);
  border-bottom: 1px solid var(--color-gray-2);
  padding: 28px 0;
}

.clients-bar .container {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.clients-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: .06em;
  white-space: nowrap;
}

.clients-logos {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
}

.client-logo {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: .04em;
  opacity: .7;
  transition: opacity var(--transition);
}
.client-logo:hover { opacity: 1; }

/* =========================================
   PAIN CARDS
   ========================================= */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pain-card {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-gray-2);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}
.pain-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.pain-card--alert { border-color: rgba(239,68,68,.2); background: rgba(239,68,68,.03); }
.pain-card--alert:hover { border-color: var(--color-alert); }

.pain-icon { font-size: 2rem; margin-bottom: 12px; }
.pain-card h3 { color: var(--color-text); margin-bottom: 8px; }
.pain-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 16px; }
.pain-link { font-size: 13px; font-weight: 700; color: var(--color-brand); }

/* =========================================
   SERVICES
   ========================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  display: block;
  background: var(--color-dark-2);
  border: 1px solid var(--color-dark-3);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--color-white);
  position: relative;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 14px; right: 14px;
  width: 14px; height: 14px;
  border-bottom: 1.5px solid rgba(184,154,78,.2);
  border-right: 1.5px solid rgba(184,154,78,.2);
  border-radius: 0 0 3px 0;
  transition: border-color var(--transition);
}
.service-card:hover::after {
  border-color: rgba(184,154,78,.6);
}
.service-card:hover {
  border-color: var(--color-gold);
  background: var(--color-dark-3);
  transform: translateY(-2px);
}
.service-card::before {
  content: '';
  display: block;
  height: 2px;
  background: transparent;
  margin: -28px -24px 24px;
  transition: background var(--transition);
}
.service-card:hover::before {
  background: linear-gradient(90deg, var(--color-gold), transparent);
}

.service-icon { font-size: 2rem; margin-bottom: 16px; }
.service-card h3 { color: var(--color-white); margin-bottom: 8px; }
.service-card > p { font-size: 14px; color: #9BA3AF; line-height: 1.6; margin-bottom: 16px; }

.service-card ul { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.service-card ul li {
  font-size: 13px;
  color: #7BB3FF;
  padding-left: 16px;
  position: relative;
}
.service-card ul li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--color-brand);
  font-weight: 900;
}

.service-link { font-size: 13px; font-weight: 700; color: var(--color-brand); }

/* =========================================
   SECTORS
   ========================================= */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.sector-card {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-gray-2);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}
.sector-card:hover { border-color: var(--color-gold); box-shadow: var(--shadow-md); transform: translateY(-2px); }

.sector-icon { font-size: 2.2rem; margin-bottom: 12px; }
.sector-card h3 { font-size: 1.05rem; color: var(--color-text); margin-bottom: 8px; }
.sector-card p { font-size: 13px; color: var(--color-text-muted); line-height: 1.6; }

/* =========================================
   PRICING
   ========================================= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--color-white);
  border: 2px solid var(--color-gray-2);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
}
.pricing-card:hover { box-shadow: var(--shadow-md); }

.pricing-card--featured {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(184,154,78,.12);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-header { margin-bottom: 24px; }
.pricing-header h3 { font-size: 1.1rem; color: var(--color-text); margin-bottom: 8px; }
.pricing-price { font-size: 1rem; color: var(--color-text-muted); }
.pricing-price strong { font-size: 1.6rem; font-weight: 900; color: var(--color-text); }
.pricing-price span { font-size: 13px; }

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.pricing-features li {
  font-size: 14px;
  color: var(--color-text-muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 900;
  font-size: 13px;
}

.pricing-card .btn { width: 100%; justify-content: center; }

.pricing-note {
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

/* =========================================
   AUDIT CTA
   ========================================= */
.audit-cta { background: var(--color-brand-light); }

.audit-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.audit-cta-content h2 { margin-bottom: 12px; }
.audit-cta-content > p { color: var(--color-text-muted); margin-bottom: 28px; line-height: 1.7; }

.audit-what {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-2);
}

.audit-col h4 { color: var(--color-text); margin-bottom: 12px; font-size: 14px; }
.audit-col ul { display: flex; flex-direction: column; gap: 8px; }
.audit-col ul li {
  font-size: 13px;
  color: var(--color-text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.audit-col ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-brand);
  font-size: 11px;
}

.audit-actions { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.audit-note { font-size: 13px; color: var(--color-text-muted); }

/* Audit Steps */
.audit-steps { display: flex; flex-direction: column; gap: 0; }

.audit-step {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-gray-2);
  align-items: flex-start;
}
.audit-step:last-child { border-bottom: none; }

.step-num {
  width: 36px;
  height: 36px;
  background: var(--color-brand);
  color: var(--color-white);
  font-weight: 900;
  font-size: 15px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-text { display: flex; flex-direction: column; gap: 4px; padding-top: 6px; }
.step-text strong { font-size: 15px; color: var(--color-text); }
.step-text span { font-size: 13px; color: var(--color-text-muted); line-height: 1.5; }

/* =========================================
   ABOUT
   ========================================= */
.about-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 64px;
  align-items: start;
}

/* Photo version */
.about-image {
  width: 100%;
  max-width: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  align-self: start;
  flex-shrink: 0;
}
.about-image img { display: block; width: 100%; height: auto; }

/* Placeholder fallback (kept for safety) */
.about-image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.about-initials {
  width: 200px;
  height: 200px;
  background: var(--color-dark-3);
  border: 2px solid var(--color-dark-3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-brand);
}

.about-image-placeholder p {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
}
.about-image-placeholder small { color: #9BA3AF; font-weight: 400; }

.about-content h2 { color: var(--color-white); margin-bottom: 16px; }
.about-content > p { color: #9BA3AF; margin-bottom: 16px; line-height: 1.75; font-size: 15px; }

.about-credentials {
  display: flex;
  gap: 16px;
  margin: 24px 0;
  flex-wrap: wrap;
}

.credential {
  background: var(--color-dark-3);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.credential strong { font-size: 14px; color: var(--color-white); }
.credential span { font-size: 12px; color: #9BA3AF; }

.about-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 28px;
}

.tech-tag {
  font-size: 12px;
  font-weight: 600;
  color: #7BB3FF;
  background: rgba(26,108,242,.15);
  border: 1px solid rgba(26,108,242,.25);
  padding: 4px 12px;
  border-radius: 100px;
}

/* =========================================
   DIFFERENTIALS
   ========================================= */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.diff-card {
  padding: 28px 24px;
  border: 1px solid var(--color-gray-2);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.diff-card:hover { border-color: var(--color-brand); box-shadow: var(--shadow-sm); }

.diff-icon { font-size: 2rem; margin-bottom: 12px; }
.diff-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.diff-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.6; }

/* =========================================
   FAQ
   ========================================= */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-2);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--color-brand); }
.faq-item[open] { border-color: var(--color-brand); }

.faq-item summary {
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 20px;
  font-weight: 400;
  color: var(--color-brand);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-answer {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* =========================================
   COVERAGE
   ========================================= */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.coverage-card {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-gray-2);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
}
.coverage-card:hover { border-color: var(--color-brand); box-shadow: var(--shadow-sm); }
.coverage-card--remote { background: var(--color-brand-light); border-color: rgba(26,108,242,.2); }
.coverage-card h3 { font-size: 1.05rem; color: var(--color-brand); margin-bottom: 8px; }
.coverage-card p { font-size: 13px; color: var(--color-text-muted); line-height: 1.6; }

/* =========================================
   FINAL CTA
   ========================================= */
.final-cta {
  background: linear-gradient(135deg, var(--color-dark) 0%, #0F172A 100%);
  padding: 96px 0;
  text-align: center;
}

.final-cta h2 {
  color: var(--color-white);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 16px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta > .container > p {
  color: #9BA3AF;
  font-size: 1.125rem;
  margin-bottom: 40px;
}

.final-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.final-cta-contact {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}

.final-cta-contact span {
  font-size: 14px;
  color: #9BA3AF;
}
.final-cta-contact a {
  color: #7BB3FF;
  font-weight: 600;
  transition: color var(--transition);
}
.final-cta-contact a:hover { color: var(--color-white); }

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
  background: var(--color-dark-2);
  color: #9BA3AF;
  padding: 56px 0 32px;
  border-top: 1px solid var(--color-dark-3);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: var(--color-white); }
.footer-brand p { font-size: 14px; line-height: 1.6; margin-bottom: 16px; }

.footer-social a {
  font-size: 13px;
  font-weight: 600;
  color: #7BB3FF;
  transition: color var(--transition);
}
.footer-social a:hover { color: var(--color-white); }

.footer-nav h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 16px;
}

.footer-nav ul { display: flex; flex-direction: column; gap: 8px; }
.footer-nav ul li a {
  font-size: 14px;
  color: #9BA3AF;
  transition: color var(--transition);
}
.footer-nav ul li a:hover { color: var(--color-white); }

.footer-bottom {
  border-top: 1px solid var(--color-dark-3);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 8px;
}

/* =========================================
   PRODUCTS
   ========================================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--color-white);
  border: 2px solid var(--color-gray-2);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-md);
}

.product-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-brand);
  background: var(--color-brand-light);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.product-header h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.product-header p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.product-features li {
  font-size: 14px;
  color: var(--color-text-muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}
.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 900;
  font-size: 13px;
}

/* =========================================
   INNER PAGES
   ========================================= */
.page-hero {
  background: linear-gradient(135deg, #F8FAFE 0%, #EBF2FF 100%);
  padding: 64px 0;
}
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { font-size: 1.125rem; color: var(--color-text-muted); max-width: 600px; }

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--color-brand); }
.breadcrumb span { color: var(--color-text-light); }

.page-content { padding: 64px 0; }
.page-content h2 { margin-bottom: 20px; }
.page-content p { color: var(--color-text-muted); line-height: 1.75; margin-bottom: 20px; }

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

.sidebar-card {
  background: var(--color-brand-light);
  border: 1px solid rgba(26,108,242,.15);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: sticky;
  top: 88px;
}
.sidebar-card h3 { color: var(--color-text); margin-bottom: 12px; }
.sidebar-card p { font-size: 14px; color: var(--color-text-muted); margin-bottom: 20px; }
.sidebar-card .btn { width: 100%; justify-content: center; margin-bottom: 12px; }
.sidebar-contact { font-size: 13px; color: var(--color-text-muted); display: flex; flex-direction: column; gap: 8px; }
.sidebar-contact a { color: var(--color-brand); font-weight: 600; }

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h2 { margin-bottom: 24px; }

.contact-method {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-gray-2);
}
.contact-method:last-of-type { border-bottom: none; }

.contact-method-icon {
  width: 44px;
  height: 44px;
  background: var(--color-brand-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-method-text strong { display: block; font-size: 15px; margin-bottom: 2px; }
.contact-method-text span { font-size: 13px; color: var(--color-text-muted); }
.contact-method-text a { color: var(--color-brand); font-weight: 600; font-size: 15px; }

.contact-form {
  background: var(--color-gray);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}
.contact-form h3 { margin-bottom: 24px; }

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid var(--color-gray-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-brand);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .coverage-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  h2 { font-size: 1.6rem; }

  .main-nav, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px;
    left: 0; right: 0; bottom: 0;
    background: var(--color-white);
    padding: 24px;
    overflow-y: auto;
    z-index: 999;
  }
  .main-nav.open > ul { flex-direction: column; gap: 4px; }
  .main-nav.open > ul > li > a { font-size: 16px; }
  .dropdown { display: none !important; }

  .pain-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .audit-cta-inner { grid-template-columns: 1fr; gap: 32px; }
  .audit-what { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .about-image { max-width: 100%; }
  .about-image-placeholder { flex-direction: row; text-align: left; }
  .products-grid { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 20px; }
  .final-cta-actions { flex-direction: column; align-items: center; }
  .final-cta-contact { flex-direction: column; gap: 12px; }
  .clients-bar .container { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 1.8rem; }
}

/* =========================================
   PRAXIS BRAND DNA
   ========================================= */

/* Gold top rule en secciones dark */
.section--dark {
  position: relative;
}
.section--dark::before {
  content: '';
  display: block;
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold) 0%, transparent 60%);
}

/* =========================================
   PRAXIS OPERATIONS CENTER (Hero)
   ========================================= */
.praxis-ops-panel {
  background: var(--color-dark);
  border-radius: 14px;
  border: 1px solid rgba(184,154,78,.2);
  box-shadow: 0 40px 80px rgba(14,27,40,.35), 0 0 0 1px rgba(255,255,255,.03);
  overflow: hidden;
  position: relative;
}
.praxis-ops-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold) 0%, transparent 65%);
  z-index: 1;
}
.praxis-ops-header {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  border-bottom: 1px solid rgba(255,255,255,.05);
  background: rgba(255,255,255,.02);
}
.praxis-ops-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #00C48C;
  box-shadow: 0 0 8px rgba(0,196,140,.7);
  flex-shrink: 0;
  animation: opsDot 2.4s ease-in-out infinite;
}
@keyframes opsDot {
  0%,100% { opacity:1; box-shadow: 0 0 8px rgba(0,196,140,.7); }
  50%      { opacity:.5; box-shadow: 0 0 3px rgba(0,196,140,.3); }
}
.praxis-ops-title {
  font-size: 11px; font-weight: 700;
  color: rgba(255,255,255,.6);
  letter-spacing: .07em; text-transform: uppercase;
  flex: 1;
}
.praxis-ops-brand {
  font-size: 9px; font-weight: 800;
  color: var(--color-gold);
  letter-spacing: .18em;
  padding: 2px 7px;
  border: 1px solid rgba(184,154,78,.3);
  border-radius: 3px;
}
.praxis-ops-time {
  font-size: 11px;
  color: rgba(255,255,255,.25);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}
.praxis-ops-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.praxis-ops-infra {
  padding: 14px 16px;
  border-right: 1px solid rgba(255,255,255,.04);
}
.praxis-ops-right {
  padding: 14px 16px;
}
.praxis-ops-col-label {
  font-size: 9px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.22);
  margin-bottom: 10px;
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.ops-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  margin-bottom: 2px;
  transition: background var(--transition);
}
.ops-node:hover { background: rgba(255,255,255,.04); }
.ops-node-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.ops-node-icon {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: rgba(28,58,90,.9);
  border: 1px solid rgba(184,154,78,.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; flex-shrink: 0;
}
.ops-node-name {
  font-size: 12px; font-weight: 600;
  color: rgba(255,255,255,.72);
  white-space: nowrap;
}
.ops-node-detail {
  font-size: 10px;
  color: rgba(255,255,255,.27);
  white-space: nowrap;
}
.ops-badge {
  font-size: 9px; font-weight: 800;
  letter-spacing: .07em; text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.ops-badge.ok {
  color: var(--color-gold);
  background: rgba(184,154,78,.1);
  border: 1px solid rgba(184,154,78,.22);
}
.ops-badge.warn {
  color: #F59E0B;
  background: rgba(245,158,11,.1);
  border: 1px solid rgba(245,158,11,.2);
}
.ops-event-log {
  display: flex; flex-direction: column; gap: 1px;
  margin-bottom: 12px;
}
.ops-event {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 7px;
  border-radius: 5px;
  transition: background var(--transition);
}
.ops-event:hover { background: rgba(255,255,255,.03); }
.ops-event-icon {
  font-size: 9px; font-weight: 900;
  width: 15px; height: 15px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ops-event.ok .ops-event-icon  { color: #00C48C; background: rgba(0,196,140,.12); }
.ops-event.warn .ops-event-icon { color: #F59E0B; background: rgba(245,158,11,.12); }
.ops-event-text {
  font-size: 11px;
  color: rgba(255,255,255,.45);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ops-event-time {
  font-size: 10px;
  color: rgba(255,255,255,.18);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.ops-metrics-block {
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,.04);
}
.ops-metric { margin-bottom: 10px; }
.ops-metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 5px;
}
.ops-metric-label {
  font-size: 10px;
  color: rgba(255,255,255,.27);
  letter-spacing: .04em;
}
.ops-metric-value {
  font-size: 12px; font-weight: 700;
  color: var(--color-gold);
  font-variant-numeric: tabular-nums;
}
.ops-metric-bar {
  height: 3px;
  background: rgba(255,255,255,.07);
  border-radius: 2px;
  overflow: hidden;
}
.ops-metric-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold), rgba(184,154,78,.45));
  border-radius: 2px;
}
.ops-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.ops-kpi {
  padding: 8px 10px;
  background: rgba(28,58,90,.45);
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.05);
}
.ops-kpi-value {
  display: block;
  font-size: 22px; font-weight: 800;
  color: var(--color-gold);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.ops-kpi-label {
  font-size: 9px; text-transform: uppercase;
  letter-spacing: .07em;
  color: rgba(255,255,255,.27);
  margin-top: 2px;
}
.praxis-ops-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 16px;
  border-top: 1px solid rgba(255,255,255,.04);
  background: rgba(255,255,255,.015);
}
.ops-footer-left {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  color: rgba(255,255,255,.28);
}
.ops-footer-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #00C48C;
  flex-shrink: 0;
}
.ops-footer-sla {
  font-size: 9px; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-gold);
  padding: 2px 8px;
  border: 1px solid rgba(184,154,78,.28);
  border-radius: 3px;
}
@media (max-width: 900px) {
  .praxis-ops-body { grid-template-columns: 1fr; }
  .praxis-ops-infra { border-right: none; border-bottom: 1px solid rgba(255,255,255,.04); }
  .praxis-ops-right { display: none; }
}

/* =========================================
   LEGACY INFRASTRUCTURE PANEL (kept for fallback)
   ========================================= */
.praxis-infra-panel {
  background: var(--color-dark);
  border-radius: 16px;
  border: 1px solid rgba(184,154,78,.18);
  box-shadow: 0 40px 80px rgba(14,27,40,.3), 0 0 0 1px rgba(255,255,255,.04);
  overflow: hidden;
  position: relative;
}
.praxis-infra-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold) 0%, transparent 70%);
  z-index: 1;
}
.praxis-infra-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.praxis-infra-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00C48C;
  box-shadow: 0 0 8px rgba(0,196,140,.7);
  flex-shrink: 0;
  animation: infraPulse 2.4s ease-in-out infinite;
}
@keyframes infraPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(0,196,140,.7); }
  50% { opacity: .6; box-shadow: 0 0 4px rgba(0,196,140,.3); }
}
.praxis-infra-title {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,.65);
  letter-spacing: .04em;
  flex: 1;
}
.praxis-infra-location {
  font-size: 11px;
  color: rgba(255,255,255,.3);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.praxis-infra-canvas {
  display: block;
  width: 100%;
  height: 240px;
}
.praxis-infra-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 20px;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: 12px;
}
.praxis-infra-footer-left {
  color: rgba(255,255,255,.4);
}
.praxis-infra-footer-left strong {
  color: rgba(255,255,255,.75);
  font-weight: 600;
}
.praxis-infra-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #00C48C;
  letter-spacing: .02em;
}
.praxis-infra-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00C48C;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .praxis-infra-canvas { height: 180px; }
}