/* === 1. Base Reset & Typography === */


* {
  box-sizing: border-box;
}

body {
  font-family: "Arial", sans-serif;
  background-color: var(--bg-darkest);
  color: var(--text-white);
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

.container {
  display: flex;
  min-height: 100vh;
}

/* === 2. Sidebar Layout === */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-dark);
  padding: 20px;
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  z-index: 100;
  transition: transform 0.3s ease-in-out;
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: var(--overlay-medium);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.sidebar-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

.sidebar .logo {
  font-size: 24px;
  color: var(--primary-color);
  font-weight: bold;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar ul {
  list-style: none;
  padding: 0;
}

.sidebar ul li {
  margin: 25px 0;
}

.sidebar ul li a {
  color: var(--text-white);
  text-decoration: none;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 10px;
  transition: background-color 0.3s;
  border-radius: 5px;
}

.sidebar ul li a.active,
.sidebar ul li a:hover {
  background-color: var(--primary-color);
  color: var(--text-white);
}

/* === 3. Content Shell === */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 40px;
  flex-grow: 1;
  width: calc(100% - var(--sidebar-width));
  max-width: 1400px;
  margin-right: auto;
}

.section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  margin: 40px auto;
  padding: 40px 20px;
}

/* === 4. Buttons & Utilities === */
.btn {
  background: var(--primary-color);
  color: var(--text-white);
  padding: 10px 20px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.3s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: bolder;
  font-size: 16px;
}

.btn:hover {
  background: var(--primary-hover);
}

.btn.ghost {
  background: transparent;
  border: 1px solid var(--glass-white-strong);
}

.duration {
  float: right;
  font-size: 18px;
  color: var(--primary-color);
  font-weight: bold;
}

.no-bullets {
  list-style-type: none;
  padding-left: 20px;
}

.no-bullets li {
  list-style-type: none;
  margin-bottom: 10px;
}

.content-box {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px;
  background-color: var(--bg-dark);
  border: 5px solid var(--primary-color);
  border-radius: 15px;
  box-shadow: 0 8px 16px var(--shadow-medium);
  overflow: hidden;
}

.form-container {
  background-color: var(--bg-darkest);
  padding: 40px;
  border: 2px solid var(--primary-color);
  border-radius: 10px;
  box-shadow: 0 4px 8px var(--shadow-subtle);
  margin-bottom: 20px;
  width: 100%;
}

/* === 5. Hamburger Toggle === */
.hamburger {
  font-size: 30px;
  background: var(--bg-dark);
  border: 1px solid var(--glass-white-medium);
  color: var(--primary-color);
  cursor: pointer;
  padding: 10px 14px;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 110;
  display: none;
  border-radius: 8px;
  box-shadow: 0 6px 18px var(--shadow-light);
}

/* === 6. Feedback Toasts === */
#form-messages {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 80%;
  max-width: 600px;
}

#form-messages p {
  display: none;
  padding: 15px;
  border-radius: 5px;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
}

#success-message {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

#error-message {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* === 7. Animations === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(60px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rotateLogo {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* === 8. Contact Model Styles === */
.contact-model {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: none;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease-in-out;
}

.contact-model.active {
  display: flex;
}

.contact-model-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-dark);
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease-in-out;
}

.contact-model-card {
  position: relative;
  background: linear-gradient(135deg, var(--glass-white-subtle), var(--glass-white-faint));
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-white-light);
  border-radius: 20px;
  padding: 40px;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 8px 32px var(--shadow-medium);
  animation: slideUp 0.4s ease-out;
  z-index: 10000;
}

.contact-model-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--glass-white-subtle);
  border: 1px solid var(--glass-white-medium);
  border-radius: 50%;
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-white);
  font-size: 18px;
  transition: all 0.3s ease;
}

.contact-model-close:hover {
  background: var(--glass-white-medium);
  transform: rotate(90deg);
}

.contact-model-title {
  color: var(--text-white);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 10px;
  text-align: center;
}

.contact-model-title i {
  margin-right: 10px;
  color: #4ecca3;
}

.contact-model-subtitle {
  color: var(--text-white-muted);
  font-size: 16px;
  text-align: center;
  margin-bottom: 30px;
}

.contact-model-options {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-model-option {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--glass-white-faint);
  border: 1px solid var(--glass-white-subtle);
  border-radius: 15px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.contact-model-option:hover {
  background: var(--glass-white-subtle);
  border-color: var(--glass-white-hover-border);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px var(--shadow-subtle);
}

.contact-model-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 24px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.contact-model-option:hover .contact-model-icon {
  transform: scale(1.1);
}

.contact-model-option.gmail .contact-model-icon {
  background: linear-gradient(135deg, var(--gmail-primary), var(--gmail-dark));
  color: var(--text-white);
}

.contact-model-option.github .contact-model-icon {
  background: linear-gradient(135deg, var(--github-primary), var(--github-dark));
  color: var(--text-white);
}

.contact-model-option.linkedin .contact-model-icon {
  background: linear-gradient(135deg, var(--linkedin-primary), var(--linkedin-light));
  color: var(--text-white);
}

.contact-model-option.whatsapp .contact-model-icon {
  background: linear-gradient(135deg, var(--whatsapp-primary), var(--whatsapp-dark));
  color: var(--text-white);
}

.contact-model-option.instagram .contact-model-icon {
  background: linear-gradient(135deg, var(--instagram-pink), var(--instagram-magenta), var(--instagram-purple), var(--instagram-blue));
  color: var(--text-white);
}

.contact-model-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.contact-model-label {
  color: var(--text-white-label);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-model-value {
  color: var(--text-white);
  font-size: 16px;
  font-weight: 600;
}

/* Model Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Contact Model Responsive Design */
@media (max-width: 768px) {
  .contact-model-card {
    padding: 30px 20px;
    max-width: 95%;
  }

  .contact-model-title {
    font-size: 24px;
  }

  .contact-model-subtitle {
    font-size: 14px;
  }

  .contact-model-option {
    padding: 15px;
    gap: 15px;
  }

  .contact-model-icon {
    width: 45px;
    height: 45px;
    font-size: 20px;
  }

  .contact-model-value {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .contact-model-card {
    padding: 25px 15px;
  }

  .contact-model-title {
    font-size: 20px;
  }

  .contact-model-option {
    padding: 12px;
    gap: 12px;
  }

  .contact-model-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }

  .contact-model-label {
    font-size: 12px;
  }

  .contact-model-value {
    font-size: 13px;
  }
}