/**
 * Component Styles
 * Reusable UI components including buttons, cards, navigation, etc.
 * Each component is self-contained and follows BEM-like naming conventions
 */

/* ==================== BUTTONS ==================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Button Variants */

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white); /* keep label visible */
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-gray-900);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-gray-900); /* keep label visible */
}

/* Ensure focus/active also maintain readable label color */
.btn-primary:focus,
.btn-primary:active {
  color: var(--color-white);
}

.btn-secondary:focus,
.btn-secondary:active {
  color: var(--color-gray-900);
}

/* Start Free Demo button (class .demo-modal) — yellow with dark text */
.btn.demo-modal,
.demo-modal.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-gray-900);
  border-color: transparent;
}

.btn.demo-modal:hover,
.demo-modal.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-gray-900);
}

.btn.demo-modal:focus,
.btn.demo-modal:active,
.demo-modal.btn-primary:focus,
.demo-modal.btn-primary:active {
  background-color: var(--color-accent);
  color: var(--color-gray-900);
}

/* Hero CTA: make yellow with dark label */
.workplace-hero__cta {
  background-color: var(--color-accent);
  color: var(--color-gray-900);
  border-color: transparent;
}

.workplace-hero__cta:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-gray-900);
}

.workplace-hero__cta:focus,
.workplace-hero__cta:active {
  background-color: var(--color-accent);
  color: var(--color-gray-900);
}

/* Workplace CTA Button */
.btn-cta {
  background-color: var(--color-accent);
  color: var(--color-text-dark);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-md);
}

.btn-cta:hover {
  background-color: var(--color-accent-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-cta--inverse {
  background-color: var(--color-bg);
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.btn-cta--inverse:hover {
  background-color: var(--color-card);
  color: var(--color-primary-dark);
}

.btn-text {
  background-color: transparent;
  color: var(--color-text-primary);
  padding: 0.5rem 1rem;
}

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


/* Button Sizes */
.btn-large {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

/* Button Icon */
.btn-icon {
  display: inline-block;
  transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* ==================== CARDS ==================== */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

/* Topic Cards */
.topic-card {
  padding: var(--spacing-xl);
  text-align: center;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.topic-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.topic-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-bg-blue);
  border-radius: var(--radius-lg);
}

.topic-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.topic-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Unit Cards */
.unit-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.unit-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.unit-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

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

.unit-content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.unit-meta {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.unit-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.unit-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  flex-grow: 1;
}

/* ==================== NAVIGATION ==================== */

.site-header {
  background-color: var(--color-white);
  box-shadow: 0 10px 30px rgba(17, 21, 43, 0.05);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem clamp(1.5rem, 5vw, 4rem);
  gap: var(--spacing-2xl);
}

.navbar-brand {
  flex-shrink: 0;
}

.logo {
  height: 64px;
  width: auto;
  transform: scale(1);
  transform-origin: left center;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin: 0 auto;
}

.navbar-item {
  position: relative;
}

.navbar-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.25rem 0;
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  transition: color var(--transition-fast);
}

.navbar-link:hover {
  color: var(--color-primary);
}

.dropdown-icon {
  font-size: var(--font-size-xs);
  transition: transform var(--transition-fast);
}

.navbar-item:hover .dropdown-icon {
  transform: rotate(180deg);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-sm);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

/* ==================== FAQ ACCORDION ==================== */

.faq-item {
  border-bottom: none;
  padding: clamp(1rem, 2vw, 1.5rem) 0;
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  font-size: 1.5rem;
  transition: transform var(--transition-base);
  margin-left: var(--spacing-md);
  color: var(--color-primary);
}

.faq-item[open] .faq-icon {
  transform: rotate(90deg);
}

.faq-answer {
  padding-top: 0.75rem;
  font-size: 1rem;
  color: var(--color-gray-600);
  line-height: 1.8;
}

/* ==================== FOOTER ==================== */

.site-footer {
  background-color: var(--color-bg-footer);
  color: rgba(255, 255, 255, 0.7);
  padding: clamp(5rem, 9vw, 7rem) 0 var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -220px;
  left: 50%;
  width: 200vw;
  height: 420px;
  background: radial-gradient(ellipse at 50% 100%, var(--color-bg-footer) 68%, transparent 69%);
  transform: translateX(-50%);
  z-index: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
  position: relative;
  z-index: 1;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-brand {
  grid-column: span 1;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.footer-logo {
  margin-bottom: var(--spacing-lg);
  height: 200px;
  width: auto;
}


.footer-description {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--line-height-relaxed);
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.12em;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
}

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

.footer-links a {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

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

/* ==================== UTILITY COMPONENTS ==================== */

.container {
  max-width: var(--container-width-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.centered {
  text-align: center;
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.section-title.text-inverse {
  color: var(--color-white);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.section-eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.section-description {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 760px;
  margin: 0 auto var(--spacing-2xl);
}

/* === Illustration Card (for large module previews like screenshots) === */
.illustration-card {
  background-color: var(--color-card);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
}

.illustration-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--radius-xl) - 2px);
}

/* Yellow CTA refinements */
.btn-cta,
.btn-secondary { /* both map to accent */
  background-color: var(--color-accent);
  color: var(--color-gray-900);
  border-color: transparent;
}

.btn-cta:hover,
.btn-secondary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-gray-900);
}