/* ============================================
   ZENDERS — Component Styles
   ============================================ */

/* === Scroll Progress === */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-gold);
  z-index: 2000;
  transition: width 0.1s ease;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-gold);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(216, 135, 30, 0.4);
  filter: brightness(1.1);
}

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

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

.btn .btn-icon {
  width: 18px;
  height: 18px;
}

.btn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: none;
}

.btn.loading .btn-spinner { display: inline-block; }
.btn.loading .btn-text { opacity: 0.5; }

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(13, 14, 19, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border-glass);
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width var(--transition-base);
}

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

.nav-github {
  display: flex;
  align-items: center;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  margin-left: var(--space-md);
}

.nav-github:hover { color: var(--text-primary); }

.nav-cta { margin-left: var(--space-md); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* === Feature Card === */
.feature-card {
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold-dim), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

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

.feature-card .feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gold-dim);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  color: var(--accent-gold);
}

.feature-card .feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent-gold);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* === Use Case Card === */
.usecase-card {
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
}

.usecase-card:hover {
  background: var(--bg-glass-hover);
  transform: translateY(-4px);
}

.usecase-card .usecase-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gold-dim);
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-lg);
}

.usecase-card .usecase-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent-gold);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.usecase-card .usecase-audience {
  font-size: var(--text-sm);
  color: var(--accent-gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.usecase-card h4 {
  margin-bottom: var(--space-md);
}

/* === Pricing Card === */
.pricing-card {
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
}

.pricing-card.highlighted {
  border-color: rgba(216, 135, 30, 0.4);
  box-shadow: var(--shadow-glow-strong);
}

.pricing-card.highlighted::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--gradient-gold);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card .plan-name {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.pricing-card .plan-price {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.pricing-card .plan-price span {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-card .plan-features {
  margin: var(--space-xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pricing-card .plan-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.pricing-card .plan-features li svg {
  width: 16px;
  height: 16px;
  stroke: var(--accent-gold);
  fill: none;
  flex-shrink: 0;
}

/* === Form Inputs === */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-input-focus);
}

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

.form-input.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error {
  font-size: var(--text-xs);
  color: #ef4444;
  display: none;
}

.form-group.has-error .form-error { display: block; }

textarea.form-input {
  min-height: 100px;
  resize: vertical;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239ca0a9' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* === Toast === */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  z-index: 9999;
  transform: translateY(120%);
  transition: transform var(--transition-spring);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.toast.show { transform: translateY(0); }

.toast svg {
  width: 20px;
  height: 20px;
  stroke: #22c55e;
  fill: none;
}

/* === Step Card === */
.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-gold);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: #fff;
  margin: 0 auto var(--space-lg);
  position: relative;
  z-index: 2;
}

.step-card .step-image {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.step-card .step-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.step-card h4 { margin-bottom: var(--space-sm); }

.step-card p { font-size: var(--text-sm); }

@keyframes spin {
  to { transform: rotate(360deg); }
}