/* ==========================================================================
   DIN S.A.S. - COMPONENT STYLES
   ========================================================================== */

/* Header & Navigation */
.main-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--din-header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--din-border-light);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: all var(--din-transition-normal);
}

.main-header.scrolled {
  box-shadow: var(--din-shadow-md);
  height: 70px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--din-font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--din-blue-primary);
  text-decoration: none;
}

.brand-logo svg, .brand-logo img {
  height: 48px;
  width: auto;
  transition: transform var(--din-transition-fast);
}

.brand-logo:hover img {
  transform: scale(1.03);
}

.brand-text-container {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-main {
  font-family: var(--din-font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--din-blue-dark);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--din-orange-accent);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-link {
  font-weight: 500;
  color: var(--din-text-main);
  position: relative;
  padding: 0.5rem 0;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--din-orange-accent);
  transition: width var(--din-transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--din-blue-primary);
  font-weight: 600;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--din-blue-primary);
  cursor: pointer;
}

/* Hero Section with Dynamic Background Slider */
.hero-section {
  position: relative;
  color: var(--din-text-white);
  padding: 2.25rem 0 3.75rem 0;
  overflow: hidden;
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1.5s ease-in-out, transform 7s ease-out;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
}

.slide-darken-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 24, 75, 0.95) 0%, rgba(5, 12, 30, 0.97) 100%);
  z-index: 2;
  opacity: 0.15;
  will-change: opacity;
}

.hero-slide-caption {
  position: absolute;
  bottom: 1.5rem;
  left: 2rem;
  z-index: 3;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 1.1rem;
  border-radius: var(--din-radius-full);
  letter-spacing: 0.04em;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.hero-slider-controls {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  right: auto;
  z-index: 4;
  display: flex;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
  padding: 0.4rem 1rem;
  border-radius: var(--din-radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.slider-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all var(--din-transition-fast);
}

.slider-dot.active, .slider-dot:hover {
  background: var(--din-orange-accent);
  border-color: var(--din-orange-accent);
  transform: scale(1.25);
  box-shadow: 0 0 12px var(--din-orange-accent);
}

.hero-grid {
  position: relative;
  z-index: 3;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

/* Executive Hero Company Header (Engineering Consulting Style) */
.company-welcome-block {
  margin-bottom: 0.35rem;
}

.company-welcome-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--din-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--din-orange-accent);
  margin-bottom: 0.25rem;
  animation: fadeInUpTag 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.welcome-icon {
  color: var(--din-orange-accent);
  animation: iconPulse 3s infinite ease-in-out;
}

.company-hero-title {
  font-family: var(--din-font-heading);
  font-size: 2.35rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  text-shadow: 0 4px 25px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateY(22px);
  animation: fadeInUpTitle 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.company-accent-bar {
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--din-orange-accent), transparent);
  border-radius: 2px;
  margin-bottom: 0.85rem;
  animation: expandBar 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.45s forwards;
}

@keyframes fadeInUpTag {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUpTitle {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes expandBar {
  from { width: 0; }
  to { width: 95px; }
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); opacity: 1; filter: drop-shadow(0 0 2px var(--din-orange-accent)); }
  50% { transform: scale(1.15); opacity: 0.85; filter: drop-shadow(0 0 7px var(--din-orange-accent)); }
}

.hero-subtitle-tag {
  font-size: 1.4rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.hero-subtitle-tag span {
  color: var(--din-orange-accent);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.5rem;
  max-width: 95%;
  line-height: 1.5;
}

/* Executive Info Cards (Misión, Visión, Valores) */
.info-card {
  background: var(--din-bg-card);
  border-radius: var(--din-radius-md);
  border: 1px solid var(--din-border-light);
  box-shadow: var(--din-shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--din-transition-normal);
}

.info-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--din-shadow-lg);
  border-color: var(--din-blue-surface);
}

.info-card-img-wrapper {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.info-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--din-transition-normal);
}

.info-card:hover .info-card-img {
  transform: scale(1.06);
}

.info-card-body {
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.info-card-title {
  font-size: 1.35rem;
  color: var(--din-blue-primary);
  margin-bottom: 0.85rem;
  font-weight: 700;
}

.info-card-text {
  color: var(--din-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.info-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  color: var(--din-text-muted);
  font-size: 0.95rem;
}

.check-icon {
  color: var(--din-orange-accent);
  font-weight: 800;
  margin-right: 0.35rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--din-radius-lg);
  padding: 2.5rem;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.stat-item {
  border-left: 3px solid var(--din-orange-accent);
  padding-left: 1rem;
}

.stat-number {
  font-family: var(--din-font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--din-text-white);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 0.25rem;
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--din-radius-md) var(--din-radius-md) 0 0;
  transition: transform var(--din-transition-normal);
}

.service-card {
  background-color: var(--din-bg-card);
  border: 1px solid var(--din-border-light);
  border-radius: var(--din-radius-md);
  padding: 0;
  overflow: hidden;
  transition: all var(--din-transition-normal);
  display: flex;
  flex-direction: column;
}

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

.service-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--din-shadow-lg);
  border-color: var(--din-blue-surface);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--din-radius-md);
  background-color: var(--din-blue-surface);
  color: var(--din-blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: all var(--din-transition-fast);
}

.service-card:hover .service-icon {
  background-color: var(--din-orange-accent);
  color: var(--din-text-white);
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--din-blue-dark);
}

.service-description {
  color: var(--din-text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.service-link {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--din-blue-primary);
}

/* Looker Studio iFrame & Skeleton Loader */
.dashboard-container {
  position: relative;
  width: 100%;
  min-height: 500px;
  background-color: var(--din-bg-card);
  border-radius: var(--din-radius-md);
  border: 1px solid var(--din-border-light);
  overflow: hidden;
  box-shadow: var(--din-shadow-sm);
}

.skeleton-loader {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #f0f3f8 25%, #e2e8f0 50%, #f0f3f8 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.8s infinite;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: opacity 0.4s ease;
}

.skeleton-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--din-blue-surface);
  border-top-color: var(--din-orange-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

.skeleton-text {
  font-weight: 600;
  color: var(--din-blue-primary);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.dashboard-iframe {
  width: 100%;
  height: 600px;
  border: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.dashboard-iframe.loaded {
  opacity: 1;
}

/* AI Chat Widget UI */
.chat-widget-wrapper {
  background-color: var(--din-bg-card);
  border: 1px solid var(--din-border-light);
  border-radius: var(--din-radius-lg);
  box-shadow: var(--din-shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 580px;
  max-width: 850px;
  margin: 0 auto;
}

.chat-header {
  background: linear-gradient(135deg, var(--din-blue-primary), var(--din-blue-dark));
  color: var(--din-text-white);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-title-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  background-color: var(--din-orange-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--din-text-white);
  font-weight: bold;
}

.chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  background-color: var(--din-bg-alt);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.message-bubble {
  max-width: 80%;
  padding: 0.85rem 1.15rem;
  border-radius: var(--din-radius-md);
  font-size: 0.95rem;
  line-height: 1.5;
  animation: fadeIn 0.3s ease;
}

.message-bot {
  align-self: flex-start;
  background-color: var(--din-bg-card);
  border: 1px solid var(--din-border-light);
  color: var(--din-text-main);
  border-bottom-left-radius: 2px;
}

.message-user {
  align-self: flex-end;
  background-color: var(--din-blue-primary);
  color: var(--din-text-white);
  border-bottom-right-radius: 2px;
}

.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.5rem 1rem;
  background-color: var(--din-bg-card);
  border-radius: var(--din-radius-md);
  align-self: flex-start;
}

.typing-dot {
  width: 8px;
  height: 8px;
  background-color: var(--din-orange-accent);
  border-radius: 50%;
  animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.chat-input-area {
  padding: 1rem 1.5rem;
  background-color: var(--din-bg-card);
  border-top: 1px solid var(--din-border-light);
  display: flex;
  gap: 0.75rem;
}

.chat-input {
  flex: 1;
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--din-border-light);
  border-radius: var(--din-radius-md);
  font-family: var(--din-font-family);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--din-transition-fast);
}

.chat-input:focus {
  border-color: var(--din-blue-primary);
}

/* Dashboard Container and Direct iFrame Embed */
.dashboard-container {
  position: relative;
  width: 100%;
  border-radius: var(--din-radius-md);
  overflow: hidden;
  box-shadow: var(--din-shadow-md);
  background-color: var(--din-bg-card);
}

.dashboard-iframe {
  width: 100%;
  height: 560px;
  border: 0;
  display: block;
  opacity: 1;
}