/* ===== APP NAV ===== */
.app-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.app-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.btn-nav {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid rgba(200, 122, 255, 0.3);
  padding: 8px 20px;
  border-radius: 100px;
  transition: border-color 0.2s, background 0.2s;
}

.btn-nav:hover {
  background: rgba(200, 122, 255, 0.08);
  border-color: rgba(200, 122, 255, 0.5);
}

/* ===== HERO CTA ===== */
.hero-cta {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.btn-primary {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.3px;
  color: #0a0a0f;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  padding: 16px 40px;
  border-radius: 100px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 0 40px rgba(200, 122, 255, 0.25);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.cta-sub {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* ===== GENERATE PAGE ===== */
.generate-page {
  min-height: 100vh;
  padding: 120px 24px 80px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.generate-inner {
  width: 100%;
  max-width: 600px;
}

.generate-header {
  text-align: center;
  margin-bottom: 56px;
}

.generate-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 24px 0 16px;
  letter-spacing: -0.5px;
}

.generate-header .lede {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 480px;
  margin: 0 auto;
}

.form-error {
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid rgba(255, 80, 80, 0.3);
  color: #ff8080;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.brand-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: 0.5px;
}

.required {
  color: var(--accent);
}

.form-group input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--fg);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder {
  color: var(--fg-muted);
  opacity: 0.6;
}

.form-group input:focus {
  border-color: rgba(200, 122, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(200, 122, 255, 0.08);
}

.form-hint {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.btn-generate {
  display: block;
  width: 100%;
  padding: 18px 24px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: #0a0a0f;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  border: none;
  border-radius: 14px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: opacity 0.2s, transform 0.15s;
  box-shadow: 0 0 40px rgba(200, 122, 255, 0.2);
  margin-top: 8px;
}

.btn-generate:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-generate:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ===== KIT PAGE ===== */
.kit-page {
  min-height: 100vh;
  padding: 100px 24px 80px;
}

.kit-inner {
  max-width: 800px;
  margin: 0 auto;
}

.kit-header {
  text-align: center;
  padding: 60px 0 56px;
}

.kit-business-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin: 24px 0 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.kit-tagline {
  font-size: 1.2rem;
  color: var(--fg-muted);
  font-style: italic;
}

.kit-section {
  margin-bottom: 56px;
}

.kit-section-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.kit-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
}

.kit-positioning p {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--fg);
}

/* Colors */
.kit-colors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.color-swatch-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.color-swatch {
  height: 120px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform 0.2s;
}

.color-swatch:hover {
  transform: scale(1.02);
}

.color-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.color-name {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--fg);
}

.color-hex {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-family: monospace;
  letter-spacing: 1px;
}

/* Typography */
.kit-typography {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.type-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
}

.type-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.type-font-name {
  font-size: 0.9rem;
  color: var(--fg-muted);
  margin-bottom: 20px;
}

.type-specimen {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--fg);
}

/* Brand voice */
.voice-tone-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  border: 1px solid rgba(200, 122, 255, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.voice-guidelines {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--fg-muted);
}

/* Live preview */
.kit-preview-card {
  border-radius: var(--radius);
  padding: 4px;
  overflow: hidden;
}

.preview-inner {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.preview-logo {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.preview-tagline {
  font-size: 1rem;
  opacity: 0.85;
}

.preview-btn {
  display: inline-block;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: 100px;
  margin-top: 8px;
}

/* Kit actions */
.kit-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 24px 0 60px;
}

.btn-copy {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--fg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 16px 32px;
  border-radius: 14px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.btn-copy:hover {
  border-color: rgba(200, 122, 255, 0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .app-nav { padding: 16px 20px; }
  .kit-colors { grid-template-columns: 1fr 1fr; }
  .kit-typography { grid-template-columns: 1fr; }
  .kit-actions { flex-direction: column; }
  .kit-actions .btn-generate, .btn-copy { width: 100%; text-align: center; }
  .preview-inner { padding: 32px 24px; }
}