/* ════════════════════════════════════════════════════════════
   modern.css - Maestranza Rovial SpA
   Diseño moderno: Dark mode, glassmorphism, bento grid,
   micro-interacciones, animaciones CSS
   Versión 4.0 - Fixed: contraste, menús duplicados, imágenes
   ════════════════════════════════════════════════════════════ */

/* ─── Variables / Temas ───────────────────────────────────── */
:root {
  /* Light Mode (default) */
  --rovial-gold: #C9A84C;
  --rovial-gold-light: #e0c86a;
  --rovial-gold-dark: #a88a2e;
  --rovial-blue: #1a2a4a;
  --rovial-blue-light: #2a4a7a;
  --rovial-dark: #0f1922;
  --rovial-gray-100: #f8f9fa;
  --rovial-gray-200: #e9ecef;
  --rovial-gray-300: #dee2e6;
  --rovial-gray-400: #ced4da;
  --rovial-gray-500: #adb5bd;
  --rovial-gray-600: #6c757d;
  --rovial-gray-700: #495057;
  --rovial-gray-800: #343a40;
  --rovial-gray-900: #212529;

  /* Light Theme */
  --bg-primary: #ffffff;
  --bg-secondary: var(--rovial-gray-100);
  --bg-tertiary: var(--rovial-gray-200);
  --text-primary: var(--rovial-gray-900);
  --text-secondary: var(--rovial-gray-700);
  --text-muted: var(--rovial-gray-500);
  --border-color: var(--rovial-gray-300);
  --card-bg: #ffffff;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.08);
  --card-shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --glass-bg: rgba(255,255,255,0.85);
  --glass-border: rgba(255,255,255,0.3);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.1);
  --glass-text: #1a1a1a;
  --form-bg: #ffffff;
  --form-border: var(--rovial-gray-400);
  --form-text: var(--rovial-gray-900);
  --form-focus-border: var(--rovial-gold);
  --form-focus-shadow: 0 0 0 3px rgba(201,168,76,0.15);
  --nav-link-color: rgba(255,255,255,0.85);
  --nav-link-hover: #ffffff;
  --mobile-menu-bg: #0f1922;
  --mobile-menu-text: #e8eaed;
  --mobile-menu-overlay: rgba(0,0,0,0.6);

  /* Sizing */
  --header-height: 72px;
  --section-padding: 5rem 0;
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary: #0f1922;
  --bg-secondary: #1a2332;
  --bg-tertiary: #243044;
  --text-primary: #e8eaed;
  --text-secondary: #b8c0cc;
  --text-muted: #8a94a5;
  --border-color: #2a3a4e;
  --card-bg: #1a2332;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.3);
  --card-shadow-hover: 0 8px 30px rgba(0,0,0,0.4);
  --glass-bg: rgba(26,35,50,0.85);
  --glass-border: rgba(255,255,255,0.08);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.3);
  --glass-text: #e8eaed;
  --form-bg: #1a2332;
  --form-border: #3a4a5e;
  --form-text: #e8eaed;
  --form-focus-border: var(--rovial-gold);
  --form-focus-shadow: 0 0 0 3px rgba(201,168,76,0.2);
  --nav-link-color: rgba(255,255,255,0.8);
  --nav-link-hover: #ffffff;
  --mobile-menu-bg: #0f1922;
  --mobile-menu-text: #e8eaed;
  --mobile-menu-overlay: rgba(0,0,0,0.7);
}

/* ─── Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--transition-base), color var(--transition-base);
}

/* ─── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* ─── Navbar (from includes/nav.php) ──────────────────────── */
#mainNav {
  transition: background var(--transition-base), box-shadow var(--transition-base);
  padding: 0.6rem 0;
  z-index: 1030;
}
#mainNav.transparent {
  background: transparent;
  box-shadow: none;
}
#mainNav.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
#mainNav .nav-logo {
  filter: brightness(0) invert(1);
  transition: transform var(--transition-fast);
}
#mainNav .nav-logo:hover {
  transform: scale(1.05);
}
#mainNav .brand-text {
  color: #ffffff;
}
#mainNav .navbar-nav .nav-link {
  color: var(--nav-link-color);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}
#mainNav .navbar-nav .nav-link:hover,
#mainNav .navbar-nav .nav-link:focus {
  color: var(--nav-link-hover);
  background: rgba(255,255,255,0.08);
}
#mainNav .navbar-nav .nav-link.active {
  color: var(--rovial-gold);
}
/* CTA Button in nav */
#mainNav .navbar-nav .nav-cta {
  background: linear-gradient(135deg, var(--rovial-gold), var(--rovial-gold-dark));
  color: #0a0a0a !important;
  font-weight: 600;
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
}
#mainNav .navbar-nav .nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(201,168,76,0.35);
  color: #0a0a0a !important;
  background: linear-gradient(135deg, var(--rovial-gold-light), var(--rovial-gold));
}
/* Dark mode toggle(s) - ahora usan .theme-toggle-btn definido abajo */
/* Hamburger */
#mainNav .navbar-toggler {
  border: none;
  padding: 0.4rem;
  color: #ffffff;
}
#mainNav .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ─── Form Controls (Light + Dark theme) ──────────────────── */

/* ─── Mobile Menu (Off-canvas - matches nav.php) ──────────── */
/* Background overlay */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: var(--mobile-menu-overlay);
  z-index: 1055;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}
.mobile-overlay.show {
  opacity: 1;
  visibility: visible;
}
/* Off-canvas panel */
#mobileMenu {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  height: 100dvh;
  background: var(--mobile-menu-bg);
  z-index: 1060;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  box-shadow: -5px 0 30px rgba(0,0,0,0.5);
}
#mobileMenu.open {
  transform: translateX(0);
}
/* Header with logo + close */
#mobileMenu .mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
#mobileMenu .mobile-menu-header img {
  filter: brightness(0) invert(1);
}
/* Close button */
#mobileMenu .mobile-menu-close-btn {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 2rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
  transition: opacity var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}
#mobileMenu .mobile-menu-close-btn:hover {
  opacity: 0.7;
  background: rgba(255,255,255,0.1);
}
/* Navigation links */
#mobileMenu .mobile-menu-nav {
  list-style: none;
  padding: 0.5rem 0;
  margin: 0;
  flex: 1;
}
#mobileMenu .mobile-menu-nav li {
  /* wrapper for list item */
}
#mobileMenu .mobile-menu-link {
  display: block;
  padding: 0.85rem 1.5rem;
  color: var(--mobile-menu-text);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}
#mobileMenu .mobile-menu-link:hover,
#mobileMenu .mobile-menu-link:focus {
  background: rgba(201,168,76,0.1);
  border-left-color: var(--rovial-gold);
  color: var(--rovial-gold);
}
#mobileMenu .mobile-menu-link.active {
  color: var(--rovial-gold);
  border-left-color: var(--rovial-gold);
  background: rgba(201,168,76,0.08);
}
/* Mobile CTA button */
#mobileMenu .mobile-cta {
  background: linear-gradient(135deg, var(--rovial-gold), var(--rovial-gold-dark));
  color: #fff !important;
  margin: 0.5rem 1.5rem;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  border-left: none !important;
  padding: 0.7rem 1.5rem !important;
}
#mobileMenu .mobile-cta:hover,
#mobileMenu .mobile-cta:focus {
  background: linear-gradient(135deg, var(--rovial-gold-light), var(--rovial-gold)) !important;
  color: #fff !important;
  transform: translateY(-1px);
}
/* Footer */
#mobileMenu .mobile-menu-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
#mobileMenu .text-gold {
  color: var(--rovial-gold) !important;
}

/* ─── Hero Section ────────────────────────────────────────── */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0a0a0a;
}
.hero-bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0.5) 50%, rgba(10,10,10,0.75) 100%);
}
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.hero-section .hero-content {
  position: relative;
  z-index: 2;
}
.hero-section h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 1.2rem;
  line-height: 1.15;
}
.hero-section h1 .highlight {
  color: var(--rovial-gold);
  background: linear-gradient(135deg, var(--rovial-gold), var(--rovial-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-section p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-stat {
  display: flex;
  flex-direction: column;
}
.hero-stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--rovial-gold);
}
.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.mouse {
  width: 22px;
  height: 34px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  position: relative;
}
.mouse::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--rovial-gold);
  border-radius: 2px;
  animation: scrollMouse 2s ease-in-out infinite;
}
@keyframes scrollMouse {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.3; transform: translateX(-50%) translateY(8px); }
}

/* ─── Section Styles ──────────────────────────────────────── */
.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}
.section-dark {
  background: var(--bg-secondary);
}

/* ─── Buttons ─────────────────────────────────────────────── */
.btn-rovial {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, var(--rovial-gold), var(--rovial-gold-dark));
  color: #0a0a0a !important;
  border: 2px solid transparent;
}
.btn-rovial:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201,168,76,0.3);
  color: #0a0a0a !important;
}
.btn-rovial-outline {
  background: transparent;
  color: var(--rovial-gold) !important;
  border: 2px solid var(--rovial-gold);
}
.btn-rovial-outline:hover {
  background: var(--rovial-gold);
  color: #0a0a0a !important;
  box-shadow: 0 8px 25px rgba(201,168,76,0.2);
}
.btn-rovial-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}
.btn-rovial-lg {
  padding: 0.9rem 2.2rem;
  font-size: 1rem;
}
.btn-rovial:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── Glass Card ──────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  color: var(--glass-text);
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}
.glass-card h4,
.glass-card h5,
.glass-card h3 {
  color: var(--text-primary);
  font-weight: 700;
}
.glass-card p,
.glass-card span {
  color: var(--text-secondary);
}
/* Glass card con texto sobre fondo claro necesita más contraste */
.glass-card .text-muted {
  color: var(--text-muted) !important;
}
.glass-card strong {
  color: var(--text-primary);
}

/* ─── Service Cards ───────────────────────────────────────── */
.service-card-modern {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--transition-base);
  box-shadow: var(--card-shadow);
}
.service-card-modern:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--rovial-gold);
}
.service-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(201,168,76,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rovial-gold);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  transition: background var(--transition-fast);
}
.service-card-modern:hover .service-card-icon {
  background: rgba(201,168,76,0.2);
}
.service-card-modern h4,
.service-card-modern h5,
.service-card-modern h3 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.service-card-modern p,
.service-card-modern li,
.service-card-modern span {
  color: var(--text-secondary);
}
.service-card-modern .text-gold {
  color: var(--rovial-gold) !important;
}
/* Service cards dentro de glass-cards o section-dark también deben tener contraste */
.section-dark .service-card-modern,
.glass-card .service-card-modern {
  background: var(--bg-primary);
  border-color: var(--border-color);
}

/* ─── Bento Grid ──────────────────────────────────────────── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.bento-item {
  border-radius: var(--radius-md);
  overflow: hidden;
}
.bento-item.span-2 { grid-column: span 2; }
.bento-item.span-row-2 { grid-row: span 2; }
@media (max-width: 768px) {
  .bento-grid { grid-template-columns: 1fr 1fr; }
  .bento-item.span-2 { grid-column: span 1; }
}
@media (max-width: 576px) {
  .bento-grid { grid-template-columns: 1fr; }
}

/* ─── Marquee / Clients ───────────────────────────────────── */
.marquee-container {
  overflow: hidden;
  position: relative;
}
.marquee-track {
  display: flex;
  gap: 3rem;
  animation: marquee 30s linear infinite;
  width: max-content;
}
.marquee-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 70px;
  padding: 0 1rem;
}
.marquee-item img {
  max-height: 50px;
  max-width: 140px;
  opacity: 0.6;
  filter: grayscale(1);
  transition: opacity var(--transition-base), filter var(--transition-base);
}
.marquee-item img:hover {
  opacity: 1;
  filter: grayscale(0);
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Particle ────────────────────────────────────────────── */
.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.4;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.4; }
  50% { transform: translateY(-20px) scale(1.2); opacity: 0.8; }
}

/* ─── Form Styles (contrast fix) ──────────────────────────── */
.form-control, .form-select {
  background: var(--form-bg);
  border: 1px solid var(--form-border);
  color: var(--form-text);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus, .form-select:focus {
  border-color: var(--form-focus-border);
  box-shadow: var(--form-focus-shadow);
  background: var(--form-bg);
  color: var(--form-text);
}
.form-control::placeholder {
  color: #6c757d;
  opacity: 1;
}
[data-theme="dark"] .form-control::placeholder {
  color: #9ca3af;
  opacity: 1;
}
.form-control::-webkit-input-placeholder {
  color: #6c757d;
}
[data-theme="dark"] .form-control::-webkit-input-placeholder {
  color: #9ca3af;
}
.form-control::-moz-placeholder {
  color: #6c757d;
  opacity: 1;
}
[data-theme="dark"] .form-control::-moz-placeholder {
  color: #9ca3af;
  opacity: 1;
}
.form-control:-ms-input-placeholder {
  color: #6c757d;
}
[data-theme="dark"] .form-control:-ms-input-placeholder {
  color: #9ca3af;
}
.form-label {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}
.form-check-label {
  color: var(--text-secondary);
}
.form-check-input:checked {
  background-color: var(--rovial-gold);
  border-color: var(--rovial-gold);
}
.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(201,168,76,0.2);
  border-color: var(--rovial-gold);
}
.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236c757d' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}
[data-theme="dark"] .form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23b8c0cc' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}
.form-select option {
  background-color: var(--form-bg);
  color: var(--form-text);
}

/* ─── Back to Top ─────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--rovial-gold);
  color: #0a0a0a;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(201,168,76,0.4);
}

/* ─── Theme Toggle Button (navbar) ───────────────────────── */
.theme-toggle-btn {
  display: flex !important;
  align-items: center;
  gap: 0.3rem;
  background: rgba(255, 255, 255, 0.1) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  border-radius: 50px !important;
  padding: 0.35rem 0.7rem !important;
  color: #fff !important;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  line-height: 1;
}
.theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  transform: scale(1.05);
  box-shadow: 0 0 12px rgba(201, 168, 76, 0.3);
}
.theme-toggle-btn .theme-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}
.theme-toggle-btn .theme-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
[data-theme="dark"] .theme-toggle-btn {
  background: rgba(201, 168, 76, 0.15) !important;
  border-color: rgba(201, 168, 76, 0.3) !important;
  color: var(--rovial-gold-light) !important;
}
[data-theme="dark"] .theme-toggle-btn:hover {
  background: rgba(201, 168, 76, 0.25) !important;
  box-shadow: 0 0 16px rgba(201, 168, 76, 0.5);
}
/* Mobile theme toggle */
.d-lg-none .theme-toggle-btn {
  padding: 0.3rem 0.6rem !important;
  font-size: 1rem;
}

/* ─── WhatsApp Float ──────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  text-decoration: none;
  z-index: 1040;
  box-shadow: 0 4px 15px rgba(37,211,102,0.35);
  transition: all var(--transition-base);
  animation: pulse-whatsapp 2s ease-in-out infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37,211,102,0.5);
  color: #ffffff;
}
@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 4px 15px rgba(37,211,102,0.35); }
  50% { box-shadow: 0 4px 25px rgba(37,211,102,0.55); }
}

/* ─── Toast System ────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  pointer-events: auto;
  animation: slideInRight 0.3s ease;
  min-width: 280px;
  font-size: 0.9rem;
}
.toast.success {
  background: #d4edda;
  color: #155724;
  border-left: 4px solid #28a745;
}
.toast.error {
  background: #f8d7da;
  color: #721c24;
  border-left: 4px solid #dc3545;
}
.toast.info {
  background: #d1ecf1;
  color: #0c5460;
  border-left: 4px solid #17a2b8;
}
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── Scroll Animation Classes ────────────────────────────── */
.fade-in, .fade-in-left, .fade-in-right, .fade-in-scale {
  opacity: 0;
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.fade-in.visible, .fade-in-left.visible, .fade-in-right.visible, .fade-in-scale.visible {
  opacity: 1;
  transform: translate(0) scale(1);
}
.fade-in { transform: translateY(30px); }
.fade-in-left { transform: translateX(-40px); }
.fade-in-right { transform: translateX(40px); }
.fade-in-scale { transform: scale(0.9); }
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.visible > * { opacity: 1; transform: translateY(0); }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .hero-section h1 { font-size: 2rem; }
  .hero-section p { font-size: 1rem; }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
}
@media (max-width: 575.98px) {
  .hero-stats { gap: 1rem; }
  .hero-stat-number { font-size: 1.4rem; }
}

/* ─── Legacy: hide old inline menu styles to avoid conflicts ─── */
#navbarNav { display: none; }
/* Keep .mobile-menu (legacy) hidden - now using .mobile-menu-overlay */
.mobile-menu:not(.mobile-menu-overlay) {
  display: none !important;
}

/* ═══ SWIPER PROJECTS GALLERY ═══ */
.proyectos-swiper {
  padding-bottom: 3.5rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.project-card-swiper {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}

.project-card-swiper:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

.project-card-image-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.project-card-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.project-card-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--rovial-gold);
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Swiper navigation */
.proyectos-swiper .swiper-button-next,
.proyectos-swiper .swiper-button-prev {
  width: 40px;
  height: 40px;
  background: var(--rovial-gold);
  border-radius: 50%;
  color: #fff;
  transition: background 0.2s ease, transform 0.2s ease;
}

.proyectos-swiper .swiper-button-next:hover,
.proyectos-swiper .swiper-button-prev:hover {
  background: var(--rovial-gold-dark);
  transform: scale(1.1);
}

.proyectos-swiper .swiper-button-next::after,
.proyectos-swiper .swiper-button-prev::after {
  font-size: 1rem;
  font-weight: 700;
}

.proyectos-swiper .swiper-pagination-bullet {
  background: var(--rovial-gold);
  opacity: 0.4;
  width: 10px;
  height: 10px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.proyectos-swiper .swiper-pagination-bullet-active {
  opacity: 1;
  transform: scale(1.2);
}

/* Responsive */
@media (max-width: 768px) {
  .proyectos-swiper {
    padding-left: 0;
    padding-right: 0;
  }
  .project-card-image-wrapper {
    height: 180px;
  }
  .proyectos-swiper .swiper-button-next,
  .proyectos-swiper .swiper-button-prev {
    display: none;
  }
}

/* ─── FOUC Prevention ─────────────────────────────────────── */
html.modern-js .fouc-hidden { visibility: hidden; }
html.modern-js.modern-ready .fouc-hidden { visibility: visible; }

/* ─── Sin JavaScript: mostrar todo y corregir layout ─────── */
html.no-js .fouc-hidden,
html.no-js [class*="fade-in"],
html.no-js [class*="stagger"] {
  visibility: visible; opacity: 1; transform: none;
}

html.no-js .navbar.transparent {
  background: rgba(10,10,10,0.95) !important;
  backdrop-filter: none;
}