/* 
  ULA - United Languages of America 
  Premium UI/UX Stylesheet 
  Colors: American Flag Blue & Red 
  Typography: Golden Ratio Scaling 
*/

:root {
  /* Brand Colors */
  --primary-dark: #0A3161; /* American Flag Blue */
  --primary: #1A529B;
  --primary-light: #E6EEF8;
  --accent: #BF0A30; /* American Flag Red */
  --accent-hover: #990826;
  
  /* Typography */
  --font-serif: 'Montserrat', sans-serif;
  --font-sans: 'Open Sans', sans-serif;
  
  /* Golden Ratio Spacing Base */
  --phi: 1.618;
}

body {
  font-family: var(--font-sans);
  color: #333;
  line-height: var(--phi);
  overflow-x: hidden;
  background-color: #FAFAFA;
  cursor: url('../image/cursor.svg'), auto;
}

a, button, .btn, [role="button"] {
  cursor: url('../image/cursor.svg'), pointer;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--primary-dark);
}

.text-primary-dark {
  color: var(--primary-dark) !important;
}

.bg-primary-dark {
  background-color: var(--primary-dark) !important;
}

.bg-primary-light {
  background-color: var(--primary-light) !important;
}

.text-accent {
  color: var(--accent) !important;
}

.transition-all {
  transition: all 0.3s ease !important;
}

.hover-text-accent {
  transition: color 0.3s ease;
}

.hover-text-accent:hover {
  color: var(--accent-hover) !important;
}

.hover-text-accent:hover i {
  color: var(--accent-hover) !important;
}

.section-padding {
  padding: calc(60px * var(--phi)) 0;
}

/* Custom Buttons */
.btn {
  border-radius: 999px !important;
  transition: all 0.3s ease !important;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.ula-btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 24px;
}

.ula-btn-primary:hover,
.ula-btn-primary:focus {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(191, 10, 48, 0.3);
}

/* Navbar */
.ula-navbar {
  background-color: transparent;
  padding: 15px 0;
  transition: all 0.4s ease;
}

.ula-navbar.scrolled {
  background-color: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 5px 0;
}

.ula-logo {
  height: 60px;
  transition: height 0.3s ease;
}

.ula-navbar.scrolled .ula-logo {
  height: 45px;
}

/* Logo Swap */
.ula-navbar .logo-color {
  display: none;
}
.ula-navbar .logo-white {
  display: block;
}

.ula-navbar.scrolled .logo-color {
  display: block;
}
.ula-navbar.scrolled .logo-white {
  display: none;
}

.ula-navbar .nav-link {
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  margin: 0 10px;
  position: relative;
  transition: color 0.3s ease;
}

.ula-navbar.scrolled .nav-link {
  color: var(--primary-dark) !important;
}

.ula-navbar .nav-link.text-white {
  color: #fff !important;
}

.ula-navbar.scrolled .nav-link.text-white {
  color: var(--primary-dark) !important;
}

/* Exclusive styles for inner pages with solid blue navbar */
.ula-navbar-blue {
  background-color: var(--primary-dark) !important;
}
.ula-navbar-blue.scrolled {
  background-color: var(--primary-dark) !important;
}
.ula-navbar-blue .nav-link,
.ula-navbar-blue .nav-link.text-white,
.ula-navbar-blue.scrolled .nav-link,
.ula-navbar-blue.scrolled .nav-link.text-white {
  color: #fff !important;
}
.ula-navbar-blue .nav-link:hover,
.ula-navbar-blue .nav-link.active,
.ula-navbar-blue.scrolled .nav-link:hover,
.ula-navbar-blue.scrolled .nav-link.active {
  color: var(--accent) !important;
}
.ula-navbar-blue .navbar-toggler-icon,
.ula-navbar-blue.scrolled .navbar-toggler-icon {
  filter: none !important;
}
.ula-navbar-blue.scrolled .logo-color {
  display: none !important;
}
.ula-navbar-blue.scrolled .logo-white {
  display: block !important;
}

.ula-navbar .nav-link:hover,
.ula-navbar .nav-link.active {
  color: var(--accent) !important;
}

.ula-navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

@media (max-width: 991.98px) {
  .ula-navbar {
    background-color: #ffffff !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  }
  .ula-navbar .nav-link,
  .ula-navbar-blue .nav-link,
  .ula-navbar-blue.scrolled .nav-link,
  .ula-navbar-blue .nav-link.text-white,
  .ula-navbar-blue.scrolled .nav-link.text-white {
    color: var(--primary-dark) !important;
  }
  .ula-navbar .navbar-toggler-icon,
  .ula-navbar-blue .navbar-toggler-icon {
    filter: invert(1) !important;
  }
  .ula-navbar.scrolled .navbar-toggler-icon,
  .ula-navbar-blue.scrolled .navbar-toggler-icon {
    filter: none !important;
  }
  .ula-navbar .logo-color,
  .ula-navbar-blue .logo-color,
  .ula-navbar-blue.scrolled .logo-color {
    display: block !important;
  }
  .ula-navbar .logo-white,
  .ula-navbar-blue .logo-white,
  .ula-navbar-blue.scrolled .logo-white {
    display: none !important;
  }
  
  /* Reset the background for inner pages to white on mobile */
  .ula-navbar-blue,
  .ula-navbar-blue.scrolled {
    background-color: #ffffff !important;
  }
}

/* Hero Section */
.hero-section {
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  z-index: 0;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(10, 49, 97, 0.9), rgba(10, 49, 97, 0.6));
  z-index: 1;
}

.z-index-2 {
  z-index: 2;
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
  color: #ffffff !important;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.tracking-wide {
  letter-spacing: 2px;
}

/* Lists */
.ula-list li span {
  font-size: 1.05rem;
  color: #555;
}

/* Mosaic Grid */
.mosaic-grid {
  display: flex;
  gap: 20px;
  width: 120%; /* Make it wider to stretch closer to edges */
  margin-left: -10%; /* Center the wider grid */
  align-items: center;
}

.mosaic-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.mosaic-col-1 {
  transform: translateY(-50px);
}

.mosaic-col-2 {
  transform: translateY(50px);
}

.mosaic-col-3 {
  transform: translateY(-20px);
}

.mosaic-img {
  width: 100%;
  object-fit: cover;
  transition: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
}

.mosaic-col-1 #mosaic-img-1 {
  height: 480px;
}
.mosaic-col-1 #mosaic-img-2 {
  height: 380px;
}
.mosaic-col-2 #mosaic-img-3 {
  height: 300px;
}
.mosaic-col-2 #mosaic-img-4 {
  height: 400px;
}
.mosaic-col-2 #mosaic-img-5 {
  height: 280px;
}
.mosaic-col-3 #mosaic-img-6 {
  height: 320px;
}
.mosaic-col-3 #mosaic-img-7 {
  height: 260px;
}
.mosaic-col-3 #mosaic-img-8 {
  height: 380px;
}

.mosaic-img.fade-out {
  opacity: 0;
  transform: scale(0.95);
}

/* Course Cards */
.course-card {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  border-radius: 12px;
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08) !important;
}

.card-img-wrapper {
  height: 220px;
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}

.course-card .card-img-top {
  height: 100%;
  width: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.icon-box {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

/* Stacked Cards Effect */
.stacked-cards-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4rem 0;
  /* Espaço extra na direita para a transição do último card não causar barra de rolagem */
  padding-right: 40px; 
  width: 100%;
}

.stacked-card {
  display: flex;
  flex-direction: column;
  height: 380px; 
  width: 210px; /* Largura base menor para caber os 6 no container */
  flex-shrink: 1; /* Permite diminuir caso a tela seja menor */
  border-radius: 20px;
  box-shadow: -1rem 0 1.5rem rgba(0, 0, 0, 0.15);
  transition: transform 0.4s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.4s ease;
  position: relative;
  text-align: left;
  text-decoration: none;
  color: #fff; /* Garantir texto branco no hover e fora dele */
  border: 1px solid rgba(255,255,255,0.15);
  overflow: hidden;
  margin-left: -40px; /* Sobreposição reduzida */
}

.stacked-card:first-child {
  margin-left: 0;
}

.stacked-card-img {
  transition: transform 0.5s ease;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.stacked-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.95), rgba(0,0,0,0.4), rgba(0,0,0,0.1));
  z-index: 1;
  transition: opacity 0.3s ease;
}

.stacked-card:hover .stacked-card-overlay {
  opacity: 0.9;
}

.stacked-card:hover .stacked-card-img {
  transform: scale(1.1);
}

.stacked-card-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: flex-end;
  padding: 1.5rem;
}

.stacked-card-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
}

.stacked-card:hover .stacked-card-icon {
  background-color: var(--accent);
}

@media (min-width: 1400px) {
  .stacked-card {
      width: 250px;
      margin-left: -50px;
  }
  .stacked-card:hover ~ .stacked-card {
      transform: translateX(50px);
  }
  .stacked-cards-container {
      padding-right: 50px;
  }
}

@media (min-width: 992px) {
  .stacked-card:hover {
      transform: translateY(-15px) rotate(0deg);
      z-index: 10;
  }
  
  .stacked-card:hover ~ .stacked-card {
      transform: translateX(40px);
  }
}

@media (max-width: 991px) {
  .stacked-cards-container {
      flex-wrap: wrap;
      justify-content: center;
      gap: 1.5rem;
      padding-right: 0;
  }
  .stacked-card {
      width: calc(50% - 1rem); /* 2 cards por linha no tablet */
      margin-left: 0;
      flex-shrink: 0;
  }
  .stacked-card:hover {
      transform: translateY(-10px);
      z-index: 10;
  }
}

@media (max-width: 767px) {
  .stacked-card {
      width: 100%; /* 1 card por linha no mobile */
      margin-left: 0;
      margin-right: 0;
  }
}

/* Step Process - Premium UI/UX */
.step-process {
  position: relative;
  margin-top: 1rem;
}

.step-process::before {
  content: '';
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 23px; /* 24px center minus 1px half-width of the line */
  width: 2px;
  background-color: var(--primary-light);
  z-index: 0;
}

.step-item {
  position: relative;
  z-index: 1;
  padding-bottom: 1.5rem;
  margin-bottom: 0 !important;
}

.step-item:last-child {
  padding-bottom: 0;
}

.step-number {
  width: 48px;
  height: 48px;
  font-size: 1.2rem;
  flex-shrink: 0;
  background-color: #fff !important;
  color: var(--primary) !important;
  border: 3px solid var(--primary-light);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  z-index: 2;
  position: relative;
}

.step-item:hover .step-number {
  background-color: var(--primary) !important;
  color: #fff !important;
  border-color: var(--primary);
  transform: scale(1.1);
  box-shadow: 0 6px 15px rgba(26, 82, 155, 0.3);
}

.step-text {
  font-size: 1.1rem;
  color: #4a5568;
  transition: color 0.3s ease;
  padding-left: 0.5rem;
}

.step-item:hover .step-text {
  color: var(--primary-dark);
}

/* Location Cards */
.location-card {
  border-radius: 12px;
  border-left: 4px solid var(--accent) !important;
  transition: transform 0.3s ease;
}

.location-card:hover {
  transform: translateX(10px);
}

/* Contact Section */
.contact-section {
  background-color: var(--primary-dark);
}

.max-w-form {
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
.footer-logo {
  height: 50px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.social-links a:hover {
  color: var(--accent) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .section-padding {
    padding: calc(40px * var(--phi)) 0;
  }
  .display-2 {
    font-size: 2.5rem;
  }
}

/* Document Content (Privacy & Terms) */
.document-content {
  color: #4a5568;
  font-size: 1.05rem;
  line-height: 1.8;
}

.document-content p {
  margin-bottom: 1.5rem;
}

.document-content ul {
  padding-left: 1.5rem;
  margin-bottom: 2rem;
}

.document-content li {
  margin-bottom: 0.5rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  background-color: #ffffff;
  z-index: 9999;
  border-top: 1px solid #eaeaea;
  transition: bottom 0.5s ease-in-out;
}

.cookie-banner.show {
  bottom: 0;
}

/* Contact Iframe Wrapper */
.contact-iframe-wrapper {
  height: 950px;
  border-radius: 0;
}

@media (max-width: 991px) {
  .contact-iframe-wrapper {
    height: 1100px;
  }
}

@media (max-width: 768px) {
  .contact-iframe-wrapper {
    height: 1250px;
  }
}

@media (max-width: 575px) {
  .contact-iframe-wrapper {
    height: 1070px;
  }
}