/* 
  Faculdade CEIC - Style
  A premium, modern design system.
*/

:root {
  /* Color Palette - Blue and Dark Gray based on Logo */
  --primary-color: #1e60d0; /* Logo Blue */
  --primary-dark: #0b429d;
  --primary-light: #4a8df8;
  
  --secondary-color: #3b82f6; /* Lighter Blue */
  --secondary-dark: #2563eb;
  --secondary-light: #60a5fa;

  /* Neutrals */
  --text-dark: #1f2937;
  --text-muted: #6b7280;
  --text-light: #f3f4f6;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;

  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Utilities */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
}

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

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

.mt-5 {
  margin-top: 3rem;
}
.mt-auto {
  margin-top: auto;
}

/* Typography Utilities */
.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-dark);
}

.section-title span {
  color: var(--secondary-color);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-family: var(--font-heading);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

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

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

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-dark);
}

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

.btn-outline {
  background-color: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: var(--bg-white);
}

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

.btn-white:hover {
  background-color: var(--bg-light);
  color: var(--primary-dark);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Header & Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition);
  padding: 1rem 0;
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

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

.logo h1 {
  font-size: 1.5rem;
  color: var(--text-dark);
  letter-spacing: -0.5px;
}

.logo h1 span {
  color: var(--primary-color);
  font-weight: 800;
}

.nav-links ul {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-color);
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-color);
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  padding-top: 8rem;
  padding-bottom: 5rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-light) 0%, #fae8ed 100%);
  border-bottom-left-radius: 30%;
  z-index: -1;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: rgba(212, 175, 55, 0.15);
  color: var(--secondary-dark);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.hero-title span {
  color: var(--primary-color);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

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

.hero-image {
  position: relative;
}

.image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.image-wrapper img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.experience-card {
  position: absolute;
  bottom: 2rem;
  left: -2rem;
  background: var(--bg-white);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: float 4s ease-in-out infinite;
}

.experience-card i {
  font-size: 2rem;
  color: var(--secondary-color);
}

.experience-card h4 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--primary-dark);
}

.experience-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

/* About Section */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  background-color: rgba(128, 0, 32, 0.1);
  color: var(--primary-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.feature-item h4 {
  margin-bottom: 0.25rem;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Courses Section */
.course-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 3rem 0;
}

.tab-btn {
  padding: 0.75rem 2rem;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--primary-color);
  color: var(--bg-white);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: grid;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.course-grid {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.course-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary-light);
}

.course-img {
  position: relative;
  height: 200px;
}

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

.course-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--secondary-color);
  color: var(--text-dark);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.course-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--primary-dark);
}

.course-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.course-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.course-meta i {
  color: var(--secondary-color);
  margin-right: 0.25rem;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: var(--bg-white);
  text-align: center;
}

.cta-container h2 {
  color: var(--bg-white);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-container p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-card {
  background: var(--bg-white);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition);
}

.info-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--secondary-light);
}

.info-icon {
  width: 3rem;
  height: 3rem;
  background-color: rgba(212, 175, 55, 0.1);
  color: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin: 0 auto 1rem;
}

.info-card h4 {
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.info-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-form-wrapper {
  background: var(--bg-white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  transition: var(--transition);
  background-color: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background-color: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(128, 0, 32, 0.1);
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: #FFF;
  box-shadow: 2px 2px 15px rgba(0, 0, 0, 0.3);
}

/* Hero Carousel */
.hero-carousel {
  position: relative;
  width: 100%;
  height: 600px;
}
.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}
.carousel-slide.active {
  opacity: 1;
}

/* FAQ Section */
.faq-container {
  margin-top: 3rem;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--text-dark);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--primary-color);
}
.faq-question i {
  transition: transform 0.3s ease;
}
.faq-question.active i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  background: var(--bg-white);
}
.faq-answer p {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  background-color: #111827;
  color: var(--text-light);
  padding-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer h2, .footer h3 {
  color: var(--bg-white);
}

.brand-col h2 {
  margin-bottom: 1rem;
}

.brand-col h2 span {
  color: var(--secondary-color);
}

.brand-col p {
  color: #9ca3af;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--bg-white);
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--secondary-color);
  color: var(--text-dark);
}

.footer-col h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background-color: var(--secondary-color);
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul a {
  color: #9ca3af;
}

.footer-col ul a:hover {
  color: var(--secondary-color);
  padding-left: 5px;
}

.contact-info li {
  display: flex;
  gap: 1rem;
  color: #9ca3af;
  align-items: flex-start;
}

.contact-info i {
  color: var(--secondary-color);
  margin-top: 0.25rem;
}

.footer-bottom {
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #9ca3af;
  font-size: 0.875rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a:hover {
  color: var(--bg-white);
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero-container,
  .about-container {
    grid-template-columns: 1fr;
  }
  
  .hero-background {
    width: 100%;
    border-bottom-left-radius: 0;
    opacity: 0.5;
  }

  .experience-card {
    left: 1rem;
    bottom: 1rem;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav-links, .nav-actions {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  /* Mobile menu active state */
  .nav-links.show {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
  }

  .nav-actions.show {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 200px); /* rough estimate */
    left: 0;
    width: 100%;
    background: var(--bg-white);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}