/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  border-bottom: none;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition);
}

.header.scrolled {
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
}

.header-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  font-family: var(--font-secondary);
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 1001;
}

.header-nav {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.header-item {
  position: relative;
}

.header-link {
  text-decoration: none;
  color: var(--color-black);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.header-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-black);
  transition: var(--transition);
}

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

/* Mobile Menu */
.header-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  z-index: 1001;
}

.header-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-black);
  margin: 2px 0;
  transition: var(--transition);
}

.header-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header-toggle.active span:nth-child(2) {
  opacity: 0;
}

.header-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  outline: none;
}

/* Button Variants */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-primary);
}

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

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-oval {
  border-radius: 50px;
  padding: 0.75rem 2rem;
  font-size: 0.9rem;
}

/* ===== FORMS ===== */
.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-input {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-gray);
  background: var(--color-white);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-black);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--color-gray-dark);
  transition: var(--transition);
  pointer-events: none;
  background: var(--color-white);
  padding: 0 0.25rem;
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
  top: -0.5rem;
  font-size: 0.8rem;
  color: var(--color-black);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.checkbox-input {
  margin-top: 0.25rem;
}

.checkbox-label {
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--color-gray-dark);
}

.privacy-link {
  background: none;
  border: none;
  color: var(--color-black);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font-size: inherit;
}

.privacy-link:hover {
  color: var(--color-accent);
}

.submit-btn {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--color-gray);
  border: 1px solid var(--color-gray);
  color: var(--color-gray-dark);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: not-allowed;
  transition: var(--transition);
}

.submit-btn:enabled {
  background: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
  cursor: pointer;
}

.submit-btn:enabled:hover {
  background: var(--color-gray-dark);
}

/* ===== MODAL ===== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
}

.modal-content {
  background-color: var(--color-white);
  margin: 5% auto;
  padding: 0;
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--color-gray);
  position: sticky;
  top: 0;
  background: var(--color-white);
  z-index: 1;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-gray-dark);
  line-height: 1;
}

.modal-body {
  padding: 2rem;
}

.modal-body h3 {
  margin: 1.5rem 0 0.75rem 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.modal-body p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.modal-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--color-gray);
  text-align: right;
  position: sticky;
  bottom: 0;
  background: var(--color-white);
}

/* ===== SOCIAL COMPONENTS ===== */
.social-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.social-link {
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  justify-content: flex-start;
  gap: 0.75rem;
  border: 1px solid var(--color-black);
  background: transparent;
  color: var(--color-black);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
}

.social-link:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.social-circle {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition);
}

.social-circle:hover {
  background: var(--color-primary);
  color: var(--color-gray-light);
  transform: translateY(-3px);
}

/* ===== RESPONSIVE COMPONENTS ===== */
@media (max-width: 768px) {
  .header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: transparent;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(-100%);
    transition: transform var(--transition);
  }
  
  .header-nav.active {
    transform: translateX(0);
  }
  
  .header-toggle {
    display: flex;
  }
  
  .social-link {
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
  }
  
  .social-circle {
    width: 32px;
    height: 32px;
  }
}

@media (max-width: 480px) {
  .header-logo {
    font-size: 1.1rem;
  }
  
  .btn-oval {
    padding: 0.5rem 1.5rem;
    font-size: 0.85rem;
  }
}