/* ==========================================================================
   Akvo Lab - UI Components (components.css)
   ========================================================================== */

/* ==========================================================================
   1. Premium Buttons
   ========================================================================== */
.btn {
  font-family: var(--font-family-body); /* Bold Hanken Grotesk text */
  font-size: var(--font-sm);
  font-weight: var(--weight-bold);
  letter-spacing: 0.05em;
  padding: 0.875rem 1.75rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* Button Primary: Solid Celeste Agua (#38bdf8) */
.btn-primary,
.btn-primary:link,
.btn-primary:visited {
  background: var(--color-accent);
  color: var(--text-inverse);
  box-shadow: 0 4px 15px var(--color-accent-glow);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-accent-hover);
  color: var(--text-inverse);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--color-accent-glow);
  outline: none;
}

.btn-primary:active {
  background: var(--color-accent-hover);
  color: var(--text-inverse);
  transform: translateY(0);
}

/* Button Secondary: Transparent with Dark Blue Border (#004a87) */
.btn-secondary,
.btn-secondary:link,
.btn-secondary:visited {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--color-primary-glow);
  color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  outline: none;
}

.btn-secondary:active {
  background: var(--color-primary-glow);
  color: var(--color-primary-hover);
  transform: translateY(0);
}

/* Icon placement adjustments inside buttons */
.btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.btn:hover svg {
  transform: translateX(3px);
}

/* ==========================================================================
   2. Glassmorphic Panels & Cards
   ========================================================================== */

/* Standard Glass Panel (Static) */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(var(--backdrop-blur));
  -webkit-backdrop-filter: blur(var(--backdrop-blur));
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  box-shadow: var(--shadow-glass);
  padding: 2rem;
  transition: var(--transition-smooth);
}

/* Premium Interactive Glass Card with Spotlight Glow Container */
.glass-card {
  position: relative;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  backdrop-filter: blur(var(--backdrop-blur));
  -webkit-backdrop-filter: blur(var(--backdrop-blur));
  box-shadow: var(--shadow-glass);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

/* Radial Glow for Mouse Spotlight Effect (Controlled by JS) */
.glass-card-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    400px circle at var(--mouse-x, 0px) var(--mouse-y, 0px),
    rgba(56, 189, 248, 0.12),
    transparent 50%
  );
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-glass-hover);
}

.glass-card:hover .glass-card-glow {
  opacity: 1;
}

/* Inner content elements of Glass Cards */
.glass-card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  transition: var(--transition-smooth);
  z-index: 3;
}

.glass-card:hover .glass-card-icon {
  background: var(--color-primary);
  color: var(--text-inverse);
}

.glass-card-icon svg,
.glass-card-icon .material-symbols-outlined {
  width: 24px;
  height: 24px;
  font-size: 24px;
  line-height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.glass-card-title {
  font-family: var(--font-family-title);
  font-size: var(--font-lg);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  z-index: 3;
}

.glass-card-desc {
  font-family: var(--font-family-body);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1.5rem;
  z-index: 3;
}

.glass-card-link {
  font-family: var(--font-family-title);
  font-size: var(--font-sm);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  transition: var(--transition-fast);
  z-index: 3;
}

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

/* ==========================================================================
   3. Glassmorphic Inputs & Forms
   ========================================================================== */
.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-family: var(--font-family-title);
  font-size: var(--font-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.input-field {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(0, 74, 135, 0.1);
  border-radius: 8px;
  font-family: var(--font-family-body);
  font-size: var(--font-base);
  color: var(--text-primary);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: var(--transition-smooth);
}

.input-field::placeholder {
  color: var(--text-muted);
}

.input-field:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-input-focus);
}

/* Error States */
.form-group.has-error .input-field {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.error-message {
  font-size: var(--font-xs);
  color: #ef4444;
  margin-top: 4px;
  font-weight: var(--weight-medium);
}

/* ==========================================================================
   4. Other Common UI Components
   ========================================================================== */

/* Badges / Tags */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 50px;
  font-size: var(--font-xs);
  font-weight: var(--weight-semibold);
  font-family: var(--font-family-title);
  background: var(--color-primary-glow);
  color: var(--color-primary);
  border: 1px solid rgba(0, 74, 135, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Modal overlay structures (e.g. contact success modal) */
.glass-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 74, 135, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.glass-modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.glass-modal {
  max-width: 480px;
  width: 90%;
  text-align: center;
  transform: scale(0.9);
  transition: var(--transition-bounce);
}

.glass-modal-overlay.active .glass-modal {
  transform: scale(1);
}

.modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-accent-glow);
  color: var(--color-accent-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.modal-icon svg,
.modal-icon .material-symbols-outlined {
  width: 32px;
  height: 32px;
  font-size: 32px;
  line-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}