/* ============================================
   MONTREAL EAD - MAIN STYLESHEET
   Design System & Global Styles
   ============================================ */

/* ============================================
   CSS VARIABLES - DESIGN TOKENS
   ============================================ */
:root {
  /* Color Palette */
  --blue-dark: #004A7C;
  --blue-medium: #0077B6;
  --blue-light: #ADE8F4;
  --yellow: #D3AE6E;
  --beige: #F5E6D3;
  --white: #FFFFFF;
  --gray-light: #F8F9FA;
  --gray-medium: #6C757D;
  --gray-dark: #343A40;
  --black: #000000;

  /* Typography */
  --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-h1: 48px;
  --font-size-h2: 36px;
  --font-size-h3: 28px;
  --font-size-h4: 24px;
  --font-size-h5: 20px;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;
  --spacing-xxxl: 96px;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --border-radius: 8px;
  --border-radius-lg: 16px;

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

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-primary);
  color: var(--gray-dark);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: 32px;
}

h3 {
  font-size: var(--font-size-h3);
}

h4 {
  font-size: var(--font-size-h4);
}

h5 {
  font-size: var(--font-size-h5);
}

p {
  margin-bottom: var(--spacing-sm);
}

.text-center {
  text-align: center;
}

.text-blue {
  color: var(--blue-medium);
}

.text-dark {
  color: var(--gray-dark);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xxl) 0;
}

.section-sm {
  padding: var(--spacing-xl) 0;
}

.section-lg {
  padding: var(--spacing-xxxl) 0;
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-column {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

/* Grid Utilities */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: 12px 32px;
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border-radius: 50px;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--yellow);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: #C29D5E;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}

.btn-outline:hover {
  background-color: var(--white);
  color: var(--blue-dark);
}

.btn-text {
  background-color: transparent;
  border: none;
  color: var(--blue-medium);
  padding: 8px 16px;
  font-weight: 500;
}

.btn-text:hover {
  text-decoration: underline;
}

.btn-lg {
  padding: 16px 48px;
  font-size: var(--font-size-large);
}

.btn-sm {
  padding: 8px 24px;
  font-size: var(--font-size-small);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  background-color: #E5E5E5;
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  transition: box-shadow var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  height: 50px;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-menu a {
  font-weight: 500;
  color: var(--gray-dark);
  transition: color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--blue-medium);
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--gray-dark);
  transition: all var(--transition-fast);
}

/* ============================================
   HERO SECTION - HOME
   ============================================ */
.hero {
  position: relative;
  background: #E5E5E5;
  min-height: 95vh;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
}

/* Onda 1 - Azul Claro (camada de fundo, mais suave) */
.hero::before {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 340px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ADE8F4' fill-opacity='0.5' d='M0,160L48,170.7C96,181,192,203,288,197.3C384,192,480,160,576,154.7C672,149,768,171,864,186.7C960,203,1056,213,1152,197.3C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  z-index: 4;
}

/* Onda 2 - Azul Médio (camada intermediária) */
.hero::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 340px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%230077B6' fill-opacity='0.6' d='M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,144C960,149,1056,139,1152,122.7C1248,107,1344,85,1392,74.7L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  z-index: 5;
}

/* Onda 3 - Azul Escuro (camada frontal, conecta com seção seguinte - SEM TRANSPARÊNCIA) */
.hero-wave-bottom {
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 300px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23004A7C' fill-opacity='1' d='M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,213.3C672,224,768,224,864,208C960,192,1056,160,1152,154.7C1248,149,1344,171,1392,181.3L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  z-index: 9;
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 3;
}

.hero-text h1 {
  font-size: 42px;
  color: var(--gray-dark);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.hero-text h1 .highlight {
  color: var(--blue-medium);
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -3px;
}

.hero-text p {
  font-size: var(--font-size-large);
  color: var(--gray-dark);
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
  letter-spacing: -1px;
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--border-radius-lg);
}

/* Carousel Dots */
.carousel-dots {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(0, 119, 182, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-dot.active {
  background-color: var(--blue-medium);
  width: 32px;
  border-radius: 6px;
}

/* ============================================
   PAGE HERO - PÁGINAS INTERNAS
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-medium) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  color: var(--white);
  font-size: 48px;
  margin-bottom: 16px;
  font-weight: 700;
}

.page-hero p {
  color: var(--white);
  font-size: 20px;
  opacity: 0.95;
  margin: 0;
}

/* ============================================
   INSTITUTIONAL SECTION (Alunos)
   ============================================ */
.institutional {
  background: #004A7C;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.institutional-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.institutional-text h2 {
  font-size: 32px;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.institutional-text p {
  font-size: var(--font-size-large);
  margin-bottom: var(--spacing-lg);
  opacity: 1;
  font-weight: 400;
}

.institutional-image {
  position: relative;
}

/* Badge com 2 colunas: ícone SVG + texto */
.badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--yellow);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: left;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.badge-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.badge-icon img {
  width: 100%;
  height: 100%;
  filter: brightness(0) invert(1);
}

.badge-text {
  display: flex;
  flex-direction: column;
}

.badge-number {
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.badge-label {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.check-icon {
  width: 24px;
  height: 24px;
  background-color: var(--yellow);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  margin-top: 4px;
}

.check-item h4 {
  font-size: 18px;
  margin-bottom: 4px;
  font-weight: 600;
}

.check-item p {
  font-size: 15px;
  opacity: 0.9;
  margin: 0;
  font-weight: 400;
}

.institutional-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

/* ============================================
   COURSES SECTION
   ============================================ */
.courses {
  background-color: var(--yellow);
}

.courses-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.courses-header h2 {
  font-size: 32px;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto;
  font-weight: 600;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.course-card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.course-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.course-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Ícone vazado (outline) sobreposto à imagem */
.course-icon {
  position: relative;
  width: 80px;
  height: 80px;
  background: var(--blue-medium);
  border: 4px solid var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  margin: -40px auto;
}

.course-icon svg {
  width: 40px;
  height: 40px;
  fill: var(--blue-medium);
}

.course-card-content {
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
  text-align: center;
}

.course-card h3 {
  font-size: 20px;
  color: var(--blue-medium);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.course-card p {
  color: var(--gray-medium);
  margin-bottom: var(--spacing-md);
}

/* Botão outline azul */
.courses-cta {
  text-align: center;
}

.courses-cta .btn {
  background-color: transparent;
  border: 2px solid var(--blue-medium);
  color: var(--blue-medium);
}

.courses-cta .btn:hover {
  background-color: var(--blue-medium);
  color: var(--white);
}

/* ============================================
   TECHNOLOGY SECTION
   ============================================ */
.technology {
  background-color: var(--white);
  padding: var(--spacing-xxxl) 0;
}

.technology-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.technology-text h2 {
  font-size: 32px;
  color: var(--gray-dark);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.technology-text p {
  font-size: var(--font-size-large);
  color: var(--gray-medium);
  margin-bottom: var(--spacing-lg);
}

.video-container {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.video-container img {
  width: 100%;
  height: auto;
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background-color: rgba(0, 119, 182, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.play-button:hover {
  background-color: var(--blue-dark);
  transform: translate(-50%, -50%) scale(1.1);
}

.play-button::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 20px solid var(--white);
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 4px;
}

/* ============================================
   GALLERY SECTION - 4 IMAGENS
   ============================================ */
.gallery {
  padding: 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

/* ============================================
   WHATSAPP FLOAT BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  z-index: 999;
  transition: all var(--transition-normal);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
  width: 35px;
  height: 35px;
  fill: var(--white);
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  }

  50% {
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.6);
  }
}

/* ============================================
   SOCIAL LINKS
   ============================================ */
.social-links {
  display: flex;
  gap: 12px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all var(--transition-normal);
}

.social-icon:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

.pt-sm {
  padding-top: var(--spacing-sm);
}

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

.pt-lg {
  padding-top: var(--spacing-lg);
}

.pt-xl {
  padding-top: var(--spacing-xl);
}

.pb-sm {
  padding-bottom: var(--spacing-sm);
}

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

.pb-lg {
  padding-bottom: var(--spacing-lg);
}

.pb-xl {
  padding-bottom: var(--spacing-xl);
}