/* ===============================================
   HV Gabinete Estratégico - Estilos Globales
   Paleta oscura, técnica y precisa
   =============================================== */

/* Variables CSS por defecto (se sobrescriben con JS) */
:root {
  --color-primary: #0F172A;
  --color-accent: #CA8A04;
  --color-bg: #F8FAFC;
  --color-bg-secondary: #F1F5F9;
  --color-text: #020617;
  --color-text-secondary: #475569; /* era #64748B — mejora contraste WCAG AA 6.3:1 */
  --color-border: rgba(15, 23, 42, 0.1);
  --color-border-accent: rgba(202, 138, 4, 0.2);

  --font-display: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --transition: all 0.3s ease;
  --transition-fast: all 0.2s ease;
}

/* ===============================================
   Reset y Base
   =============================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  font-weight: 400;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
}

/* ===============================================
   Tipografía
   =============================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  text-transform: none;
  letter-spacing: -0.5px;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: var(--spacing-md);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

strong {
  color: var(--color-text);
  font-weight: 700;
}

/* ===============================================
   Navegación Fija
   =============================================== */

nav.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  transition: var(--transition);
}

nav.navbar.scrolled {
  background-color: rgba(248, 250, 252, 0.98);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.navbar-logo img {
  width: 40px;
  height: 40px;
  mix-blend-mode: multiply; /* elimina fondo blanco del logo sobre navbar clara */
}

.navbar-logo span {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  text-transform: none;
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  align-items: center;
}

.navbar-menu a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  text-transform: none;
  transition: var(--transition-fast);
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--color-primary);            /* texto oscuro = 18.1:1 ✓ WCAG AAA */
  border-bottom: 2px solid var(--color-accent); /* borde dorado como indicador visual */
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background-color: var(--color-text);
  transition: var(--transition-fast);
}

/* ===============================================
   Hero Section
   =============================================== */

section.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  margin-top: 80px;
  overflow: hidden;
  background-color: #0F172A; /* fallback mientras carga la imagen */
}

/* Imagen de fondo del hero como <img> para optimización LCP */
.hero-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  overflow: hidden;
}
.hero-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(8, 12, 20, 0.72) 0%, rgba(15, 22, 34, 0.80) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
  animation: fadeInUp 1s ease-out;
}

.hero h1 {
  color: #FFFFFF;
  margin-bottom: var(--spacing-lg);
  animation: slideInDown 0.8s ease-out;
}

.hero .subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
  animation: fadeIn 1s ease-out 0.3s both;
}

.hero .btn-primary,
.hero .btn-secondary {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.75);
}

.hero .btn-primary:hover,
.hero .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: #FFFFFF;
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeIn 1s ease-out 0.6s both;
}

@keyframes slideInDown {
  from {
    transform: translateY(-30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===============================================
   Botones
   =============================================== */

.btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: none;
  font-family: var(--font-display);
  transition: var(--transition-fast);
  border: 2px solid transparent;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  min-width: 200px;
}

.btn-primary {
  background-color: #1D4ED8; /* Azul royal — acción, confianza, contraste 7:1 con blanco */
  color: #FFFFFF;
  border: 2px solid #1D4ED8;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: #1E40AF;
  border-color: #1E40AF;
  color: #ADE2E5; /* aqua del logo — visible sobre azul oscuro */
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  font-weight: 600;
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.btn-email {
  background-color: var(--color-primary);
  color: white;
}

.btn-email:hover {
  background-color: var(--color-accent);
}

/* ===============================================
   Secciones
   =============================================== */

section {
  padding: var(--spacing-2xl) var(--spacing-lg);
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}

section:not(.hero) {
  border-top: 1px solid #E2E8F0;
}

/* ===============================================
   Grid de Tarjetas
   =============================================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.card {
  background-color: white;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: var(--spacing-xl);
  transition: var(--transition);
  overflow: hidden;
  position: relative;
}

.card:hover {
  border-color: #CBD5E1;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card h3 {
  margin-top: 0;
  color: #92400E; /* era #CA8A04 — ratio 2.79:1 falla WCAG AA; #92400E = 6.5:1 ✓ */
}

.card svg {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

/* ===============================================
   Timeline / Proceso
   =============================================== */

.timeline {
  position: relative;
  margin-top: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-accent);
  transform: translateX(-50%);
  opacity: 0.3;
}

.timeline-item {
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.timeline-item:nth-child(odd) {
  text-align: right;
  padding-right: 52%;
}

.timeline-item:nth-child(even) {
  text-align: left;
  padding-left: 52%;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 0;
  width: 20px;
  height: 20px;
  background-color: var(--color-accent);
  border: 4px solid white;
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-content {
  background-color: white;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: var(--spacing-lg);
}

/* Bullet lists dentro de timeline cards — evita separación con list-style outside */
.timeline-content ul {
  list-style: none;
  padding-left: 0;
  color: var(--color-text-secondary);
}

.timeline-content ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.timeline-content ul li::before {
  content: '•';
  flex-shrink: 0;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.6;
}

.timeline-number {
  font-size: 2.5rem;
  font-family: var(--font-display);
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

/* ===============================================
   Sections de Texto Importante
   =============================================== */

.highlight-section {
  background-color: white;
  border: 2px solid var(--color-accent);
  border-radius: 12px;
  padding: var(--spacing-2xl) var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
  text-align: center;
}

.highlight-section h2 {
  color: var(--color-accent);
  margin-top: 0;
}

.price-display {
  font-size: 3rem;
  font-family: var(--font-display);
  color: var(--color-primary);
  font-weight: 700;
  margin: var(--spacing-lg) 0;
}

.price-subtext {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: var(--spacing-md);
}

/* ===============================================
   Google Maps Embed
   =============================================== */

.map-container {
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  overflow: hidden;
  margin-top: var(--spacing-xl);
}

.map-container iframe {
  display: block;
}

/* ===============================================
   Footer
   =============================================== */

footer {
  background-color: white;
  border-top: 1px solid #E2E8F0;
  padding: var(--spacing-2xl) var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid #E2E8F0;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-logo img {
  width: 32px;
  height: 32px;
}

.footer-logo span {
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: none;
  color: var(--color-text);
}

.footer-description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  max-width: 300px;
}

.footer-right {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-info {
  font-size: 0.9rem;
}

.contact-info a {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.contact-info a:hover {
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.social-icon:hover {
  color: var(--color-accent);
}

.social-icon svg {
  width: 24px;
  height: 24px;
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding-top: var(--spacing-lg);
  border-top: 1px solid #E2E8F0;
}

.footer-legal {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  font-size: 0.8rem;
  margin-top: var(--spacing-md);
}

.footer-legal a {
  color: var(--color-text-secondary);
}

.footer-legal a:hover {
  color: var(--color-accent);
}

/* ===============================================
   IntersectionObserver Animations
   =============================================== */

.fade-in,
.slide-in-left,
.slide-in-right {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible,
.slide-in-left.visible,
.slide-in-right.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left.visible {
  transform: translateX(0);
}

.slide-in-left {
  transform: translateX(-30px);
}

.slide-in-right.visible {
  transform: translateX(0);
}

.slide-in-right {
  transform: translateX(30px);
}

/* ===============================================
   WhatsApp Button Animation
   =============================================== */

.wa-float {
  animation: wa-pulse 2s ease-in-out infinite;
}

/* Usa transform+opacity (GPU compuesto) en lugar de box-shadow (causa repaint) */
@keyframes wa-pulse {
  0%   { transform: scale(1);    opacity: 1;    }
  50%  { transform: scale(1.08); opacity: 0.85; }
  100% { transform: scale(1);    opacity: 1;    }
}

@media (prefers-reduced-motion: reduce) {
  .wa-float { animation: none; }
}

/* ===============================================
   Responsive Images
   =============================================== */

picture {
  display: block;
  width: 100%;
}

picture img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card-image img {
  transform: scale(1.05);
}

/* Hero images ahora son <img> en el HTML — ver .hero-bg-img arriba */

/* ===============================================
   Stagger Animations
   =============================================== */

@keyframes staggerIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: staggerIn 0.6s ease-out forwards;
  opacity: 0;
}

.cards-grid > .card:nth-child(1) { animation-delay: 0.1s; }
.cards-grid > .card:nth-child(2) { animation-delay: 0.2s; }
.cards-grid > .card:nth-child(3) { animation-delay: 0.3s; }
.cards-grid > .card:nth-child(4) { animation-delay: 0.4s; }
.cards-grid > .card:nth-child(5) { animation-delay: 0.5s; }
.cards-grid > .card:nth-child(6) { animation-delay: 0.6s; }

/* ===============================================
   Scroll Progress Indicator
   =============================================== */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  z-index: 10000;
  width: 0%;
  transition: width 0.1s ease;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress {
    transition: none;
  }
}

/* ===============================================
   Improved Glassmorphism
   =============================================== */

nav.navbar {
  backdrop-filter: blur(10px) brightness(0.98);
  background-color: rgba(248, 250, 252, 0.8);
}

nav.navbar.scrolled {
  backdrop-filter: blur(12px) brightness(0.95);
  background-color: rgba(248, 250, 252, 0.9);
}

/* ===============================================
   Responsive Design
   =============================================== */

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
  }

  .navbar-menu.active {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  section {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero {
    margin-top: 60px;
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    min-width: unset;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    text-align: left;
    padding-left: 60px;
    padding-right: 0;
  }

  .timeline-marker {
    left: 20px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 375px) {
  html {
    font-size: 14px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .hero-ctas {
    gap: var(--spacing-sm);
  }

  .btn {
    padding: var(--spacing-md) var(--spacing-md);
  }

  .footer-legal {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}