/* ============================================================
   Reusable Components — Dark Premium Theme
   ============================================================ */

/* ==================== Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  text-align: center;
  border-radius: var(--radius-md);
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  letter-spacing: var(--ls-tight);
  line-height: 1;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

/* Primary Button — Purple with glow */
.btn-primary {
  background-color: var(--accent-purple);
  color: var(--white);
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 0 rgba(124, 92, 252, 0);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transition: left 0.6s var(--ease-out);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  background-color: var(--accent-purple-light);
  border-color: var(--accent-purple-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-purple-glow);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 0 15px rgba(124, 92, 252, 0.2);
}

/* Secondary Button — Outlined */
.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-secondary);
}

.btn-secondary:hover {
  border-color: var(--accent-purple);
  color: var(--accent-purple-light);
  background-color: rgba(124, 92, 252, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(124, 92, 252, 0.1);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Full Width Button */
.btn-full {
  width: 100%;
}

/* Button Focus */
.btn:focus-visible {
  outline: 2px solid var(--accent-purple);
  outline-offset: 3px;
}

/* Button Disabled */
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Loading State */
.btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==================== Service Cards ==================== */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition:
    transform 300ms var(--ease-out),
    box-shadow 300ms var(--ease-out),
    border-color 300ms var(--ease-out),
    background-color 300ms var(--ease-out);
  position: relative;
  overflow: hidden;
}

/* Subtle gradient shine overlay */
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card-shine);
  opacity: 0;
  transition: opacity 300ms var(--ease-out);
  pointer-events: none;
  border-radius: inherit;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(124, 92, 252, 0.08);
}

.service-card:hover::before {
  opacity: 1;
}

/* Service Icon */
.service-icon {
  width: 52px;
  height: 52px;
  margin-bottom: var(--spacing-md);
  color: var(--accent-purple);
  transition:
    color 300ms var(--ease-out),
    transform 300ms var(--ease-out),
    filter 300ms var(--ease-out);
  position: relative;
  z-index: var(--z-base);
}

.service-card:hover .service-icon {
  color: var(--accent-purple-light);
  transform: scale(1.1);
  filter: drop-shadow(0 0 8px rgba(124, 92, 252, 0.4));
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

/* Service Title */
.service-title {
  font-size: var(--fs-h3);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: var(--ls-heading);
}

/* Service Description */
.service-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

/* Service Features List */
.service-features {
  list-style: none;
}

.service-features li {
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-xs);
  position: relative;
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: 1.7;
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: var(--fw-bold);
}

/* ==================== Stat Cards ==================== */
.stat-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition:
    transform 300ms var(--ease-out),
    box-shadow 300ms var(--ease-out),
    border-color 300ms var(--ease-out);
  position: relative;
  overflow: hidden;
}

/* Subtle shimmer effect */
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(124, 92, 252, 0.05),
    transparent
  );
  animation: statShimmer 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes statShimmer {
  0% { left: -100%; }
  50% { left: 100%; }
  100% { left: 100%; }
}

.stat-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--border-hover);
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.3),
    0 0 20px rgba(124, 92, 252, 0.1);
}

/* Stat Number */
.stat-number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-heading);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Stat Label */
.stat-label {
  font-size: var(--fs-small);
  color: var(--text-tertiary);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
}

/* ==================== Form Components ==================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--fs-body);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
  border-color: var(--border-secondary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px var(--accent-purple-glow);
  background-color: rgba(10, 10, 10, 0.8);
}

/* Select arrow styling */
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* Form Error State */
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-bg);
}

.form-error {
  display: block;
  color: var(--error);
  font-size: var(--fs-small);
  margin-top: var(--spacing-xs);
}

/* Form Message (Success/Error) */
.form-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: var(--fw-medium);
  text-align: center;
  display: none;
  font-size: var(--fs-small);
}

.form-message.success {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
  display: block;
}

.form-message.error {
  background-color: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error-border);
  display: block;
}

/* ==================== Animations ==================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s var(--ease-out);
}

.fade-in {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
}