/* ============================================
   Knight Investment Group - Components
   ============================================ */

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-light);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.nav-scrolled {
  box-shadow: var(--shadow-nav);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav-logo {
  display: flex;
  align-items: center;
  height: 40px;
}

.nav-logo img,
.nav-logo svg {
  height: 100%;
  width: auto;
}

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

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-charcoal);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-navy);
}

.nav-link-active {
  color: var(--color-navy);
  border-bottom-color: var(--color-accent);
}

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

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-navy);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav Overlay */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  padding: var(--space-xl) var(--container-padding);
  z-index: 999;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.nav-mobile.active {
  display: flex;
  flex-direction: column;
  opacity: 1;
  transform: translateY(0);
}

.nav-mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-navy);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-gray-light);
}

.nav-mobile-link:last-child {
  border-bottom: none;
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.btn-secondary {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.btn-secondary:hover {
  background-color: var(--color-navy-mid);
  border-color: var(--color-navy-mid);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn-outline:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
  background-color: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-white);
}

.btn-lg {
  padding: 1.1rem 2.5rem;
  font-size: var(--text-base);
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--text-xs);
}

.btn-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-group .btn {
    text-align: center;
  }
}

/* --- Cards --- */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-flat {
  border: none;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

.card-flat:hover {
  box-shadow: none;
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.card-text {
  font-size: var(--text-base);
  color: var(--color-gray-dark);
  line-height: var(--leading-normal);
}

/* Portfolio Card */
.card-portfolio {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.card-portfolio-logo {
  width: 160px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.card-portfolio-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.card-portfolio-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.card-portfolio-meta {
  font-size: var(--text-sm);
  color: var(--color-gray-mid);
}

/* Portfolio Card Link */
a.card-portfolio {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

a.card-portfolio:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

a.card-portfolio:hover .card-portfolio-name {
  color: var(--color-accent);
}

/* Value Card */
.card-value {
  border-left: 3px solid var(--color-accent);
  border-top: none;
  border-right: none;
  border-bottom: none;
  border-radius: 0;
  padding: var(--space-lg);
  background: var(--color-white);
}

.card-value-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.card-value-text {
  color: var(--color-gray-dark);
  font-size: var(--text-base);
}

/* --- Media List Item --- */
.media-item {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-gray-light);
}

.media-item:last-child {
  border-bottom: none;
}

.media-item-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.media-item-date {
  font-size: var(--text-sm);
  color: var(--color-gray-mid);
}

.media-item-category {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent);
  background-color: var(--color-accent-muted);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.media-item-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
  transition: color var(--transition-fast);
}

.media-item-title:hover {
  color: var(--color-accent);
}

.media-item-excerpt {
  font-size: var(--text-base);
  color: var(--color-gray-dark);
  line-height: var(--leading-normal);
}

/* Media Filter */
.media-filters {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.media-filter-btn {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-sm);
  color: var(--color-gray-dark);
  background: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.media-filter-btn:hover {
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.media-filter-btn.active {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

/* --- Process Steps --- */
.step {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  border: 2px solid var(--color-accent-muted);
  border-radius: 50%;
}

.step-content-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.step-content-text {
  color: var(--color-gray-dark);
  font-size: var(--text-base);
}

/* --- Criteria List --- */
.criteria-list {
  list-style: none;
  padding: 0;
}

.criteria-list li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-sm);
  font-size: var(--text-base);
  color: var(--color-charcoal);
}

.criteria-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 2px;
  background-color: var(--color-accent);
}

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

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-charcoal);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--text-base);
  color: var(--color-charcoal);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(70, 127, 212, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-input.error,
.form-textarea.error {
  border-color: #C53030;
}

.form-error {
  font-size: var(--text-sm);
  color: #C53030;
  margin-top: 0.25rem;
  display: none;
}

.form-error.visible {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* --- Footer --- */
.footer {
  background-color: var(--color-navy);
  color: var(--color-gray-mid);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  height: 36px;
  margin-bottom: var(--space-md);
}

.footer-logo img,
.footer-logo svg {
  height: 100%;
  width: auto;
}

.footer-tagline {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-mid);
}

.footer-heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  font-size: var(--text-base);
  color: var(--color-gray-mid);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-contact-item {
  font-size: var(--text-base);
  margin-bottom: var(--space-sm);
}

.footer-contact-item a {
  color: var(--color-gray-mid);
  transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a {
  color: var(--color-gray-mid);
  transition: color var(--transition-fast);
}

.footer-social a:hover {
  color: var(--color-white);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* --- Page Header --- */
.page-header {
  padding: var(--space-4xl) 0 var(--space-2xl);
  margin-top: var(--nav-height);
}

.page-header-dark {
  background-color: var(--color-navy);
}

.page-header-dark h1 {
  color: var(--color-white);
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-header p {
  font-size: var(--text-lg);
  color: var(--color-gray-dark);
  max-width: 600px;
  line-height: var(--leading-relaxed);
}

.page-header-dark p {
  color: rgba(255, 255, 255, 0.55);
}

/* --- Badge --- */
.badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
}

.badge-accent {
  background-color: var(--color-accent-muted);
  color: var(--color-accent);
}

.badge-navy {
  background-color: rgba(10, 22, 40, 0.08);
  color: var(--color-navy);
}

/* --- Stat Block --- */
.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-dark);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* --- Two Column Content --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.two-col-wide-left {
  grid-template-columns: 1.5fr 1fr;
}

.two-col-wide-right {
  grid-template-columns: 1fr 1.5fr;
}

@media (max-width: 768px) {
  .two-col,
  .two-col-wide-left,
  .two-col-wide-right {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* --- Highlight Box --- */
.highlight-box {
  background-color: var(--color-accent-muted);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.highlight-box p {
  color: var(--color-charcoal);
  font-size: var(--text-lg);
}