/**
 * Layout Styles
 * Defines the structure and spacing for all major page sections
 * Includes grid systems and section-specific layouts
 */

/* ==================== HERO SECTION ==================== */

.hero-section {
  padding: clamp(4rem, 6vw, 6rem) 0 clamp(4rem, 6vw, 6rem);
  background-color: var(--color-white);
}

.hero-container {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
  margin-bottom: var(--spacing-5xl); /* ensure clear space before next section */
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 520px;
}

.hero-eyebrow {
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-primary);
}

.hero-title {
  font-size: clamp(3.2rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-text-primary);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  line-height: 1.8;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-cta-group.centered {
  justify-content: center;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(280px, 1fr));
  gap: clamp(var(--spacing-lg), 3vw, var(--spacing-2xl));
  margin-top: var(--spacing-xl);
  justify-content: center;
  justify-items: center;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.metric-card {
  background-color: var(--color-card);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--spacing-xl), 3vw, var(--spacing-2xl));
  box-shadow: var(--shadow-md);
}

.metric-value {
  display: block;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.15;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  word-break: normal;
  overflow-wrap: normal;
  text-align: left;
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.hero-image img {
  max-width: 480px;
  width: 100%;
  height: auto;
}

.hero-form {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-3xl);
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  align-self: start; /* keep card starting at the top to avoid pushing content down unexpectedly */
  margin-left: auto;
  z-index: 1; /* visually stay above the shadow area */
  justify-self: start; /* align to the left within its grid column */
}

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

.demo-form h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

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

.demo-form input,
.demo-form select,
.demo-form textarea {
  width: 100%;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1rem;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.demo-form input:focus,
.demo-form select:focus,
.demo-form textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.15);
}

.demo-form button {
  width: 100%;
}

.form-footnote {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

.trial-signup-form {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-3xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.trial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.trial-field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.trial-field-wide {
  grid-column: span 2;
}

/* ==================== TOPICS SECTION ==================== */

.topics-section {
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(5rem, 9vw, 8rem);
  background-color: var(--color-bg-blue);
  position: relative;
  overflow: hidden;
}

.topics-section::before,
.topics-section::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 220px;
  background-color: var(--color-white);
  z-index: 0;
}

.topics-section::before {
  top: 0;
  border-radius: 0 0 100% 100%;
  transform: translateY(-160px);
}

.topics-section::after {
  bottom: 0;
  border-radius: 100% 100% 0 0;
  transform: translateY(160px);
}

.topics-section .container {
  position: relative;
  z-index: 1;
}

.topics-section .section-title {
  color: var(--color-white);
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.topics-subtitle {
  color: rgba(255, 255, 255, 0.85);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.topics-section .topic-card {
  background-color: transparent;
  border: none;
  box-shadow: none;
  text-align: left;
  padding: 0;
}

.topics-section .topic-title {
  color: var(--color-white);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.topics-section .topic-description {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
}

.topics-section .topic-icon {
  background-color: rgba(255, 255, 255, 0.16);
  margin: 0 0 1rem;
  width: 56px;
  height: 56px;
}

/* ==================== UNITS SECTION ==================== */

.units-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  background-color: #f6f8ff;
}

.units-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(2.5rem, 4vw, 4rem);
}

/* ==================== WORKBOOK SECTION ==================== */

.workbook-section {
  padding: clamp(4rem, 7vw, 6rem) 0;
  background-color: var(--color-white);
}

.workbook-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.workbook-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.workbook-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.workbook-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

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

.workbook-list {
  list-style: disc;
  padding-left: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.hero-cta-group .btn-text {
  padding-left: 0;
}

.hero-cta-group .btn-text:hover {
  transform: none;
}

.section-header {
  max-width: 820px;
  margin: 0 auto var(--spacing-3xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.section-header.align-left {
  text-align: left;
  align-items: flex-start;
}

.module-meta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

.module-divider {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
  display: inline-block;
}

.testimonial-section {
  padding: clamp(4rem, 7vw, 6rem) 0;
  background-color: var(--color-bg-secondary);
}

.testimonial-quote {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.testimonial-attribution {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* ==================== PRICING SECTION ==================== */

.pricing-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background-color: var(--color-white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.pricing-card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-3xl) var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  position: relative;
}

.pricing-card-featured {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(0, 102, 255, 0.02));
  border: 2px solid rgba(0, 102, 255, 0.2);
  box-shadow: var(--shadow-xl);
}

.pricing-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.pricing-value {
  font-size: clamp(2.5rem, 5vw, 3rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.pricing-value span {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin-left: var(--spacing-xs);
}

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

.pricing-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.pricing-footnote {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

/* ==================== TRAINING SECTIONS ==================== */

.training-hero-container {
  max-width: 900px;
  margin: 0 auto;
}

.training-meta {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.training-learning-section,
.training-outline-section {
  padding: var(--spacing-5xl) 0;
  background-color: var(--color-white);
}

.training-topics-grid .topic-card {
  text-align: left;
  background-color: var(--color-bg-secondary);
}

.training-topics-grid .topic-icon {
  margin-left: 0;
}

.training-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.training-detail-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.training-detail-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.training-resources-section {
  padding: var(--spacing-5xl) 0;
  background-color: var(--color-bg-secondary);
}

.training-resources-container {
  display: flex;
  gap: var(--spacing-3xl);
  align-items: flex-start;
  flex-wrap: wrap;
}

.training-resource-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.training-resource-list li {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.training-modules-section {
  padding: var(--spacing-5xl) 0;
  background-color: var(--color-white);
}

.training-modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.training-module-card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.training-module-card h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

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

/* ==================== SOLUTIONS SECTIONS ==================== */

.solutions-hero-container {
  max-width: 900px;
  margin: 0 auto;
}

.solutions-tagline {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.solutions-benefits-section {
  padding: var(--spacing-5xl) 0;
  background-color: var(--color-white);
}

.solutions-benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.solutions-benefit-card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.solutions-benefit-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.solutions-feature-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-3xl) auto 0;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.solutions-feature-list li {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.solutions-feature-list .feature-title {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.solutions-metrics-section {
  padding: var(--spacing-5xl) 0;
  background-color: var(--color-bg-secondary);
}

.solutions-grid-section {
  padding: var(--spacing-5xl) 0;
  background-color: var(--color-white);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.solutions-card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.stat-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* ==================== VOCABULARY SECTION ==================== */

.vocabulary-section {
  padding: clamp(4rem, 7vw, 6rem) 0;
  background-color: var(--color-bg-secondary);
}

.vocabulary-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.vocabulary-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.vocabulary-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

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

.vocabulary-preview {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==================== WHY IT MATTERS SECTION ==================== */

.why-matters-section {
  padding: clamp(5rem, 9vw, 8rem) 0;
  background-color: var(--color-bg-blue);
  position: relative;
  overflow: hidden;
}

/* Create curved top and bottom borders using pseudo-elements */
.why-matters-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background-color: var(--color-white);
  border-radius: 0 0 50% 50%;
  transform: translateY(-50px);
}

.why-matters-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background-color: var(--color-white);
  border-radius: 50% 50% 0 0;
  transform: translateY(50px);
}

.why-matters-section .section-title {
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

.why-matters-text {
  font-size: var(--font-size-xl);
  color: var(--color-white);
  max-width: 900px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
  position: relative;
  z-index: 1;
}

/* ==================== FAQ SECTION ==================== */

.faq-section {
  padding: clamp(4rem, 7vw, 6rem) 0;
  background-color: #dfe6ff;
}

.faq-list {
  max-width: 900px;
  margin: clamp(2.5rem, 4vw, 4rem) auto 0;
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.faq-item + .faq-item {
  border-top: 1px solid rgba(17, 21, 43, 0.12);
}

/* ==================== CTA SECTION ==================== */

.cta-section {
  padding: clamp(4rem, 7vw, 6rem) 0;
  background-color: var(--color-white);
}

.cta-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.cta-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  margin: 0 auto clamp(1.5rem, 3vw, 2.5rem);
  max-width: 720px;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==================== FORM SECTION ==================== */

.form-section {
  padding: var(--spacing-5xl) 0;
  background-color: var(--color-bg-secondary);
  min-height: calc(100vh - 400px);
  display: flex;
  align-items: center;
}

.form-container {
  max-width: 500px;
  margin: 0 auto;
  padding: var(--spacing-3xl);
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.form-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.form-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

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

.form-group label {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.form-checkbox label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.form-link {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.form-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.form-link-primary {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.form-link-primary:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.btn-full {
  width: 100%;
}

.form-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--color-gray-300);
}

.form-divider span {
  padding: 0 var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.social-login {
  display: flex;
  gap: var(--spacing-md);
}

.btn-social {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-social:hover {
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

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

.form-footer {
  text-align: center;
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* Feature List */
.feature-list {
  list-style: none;
  margin: var(--spacing-lg) 0;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

/* Role Selection (for signup) */
.role-selection {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.role-card {
  padding: var(--spacing-lg);
  text-align: center;
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.role-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.role-card input[type="radio"] {
  display: none;
}

.role-card input[type="radio"]:checked + .role-content {
  color: var(--color-primary);
}

.role-card input[type="radio"]:checked ~ * {
  border-color: var(--color-primary);
}

.role-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-sm);
}

.role-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* ==================== GRID UTILITIES ==================== */

/* Generic grid system for flexible layouts */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Gap utilities */
.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.gap-xl {
  gap: var(--spacing-xl);
}

/* ==================== SPACING UTILITIES ==================== */

/* Padding utilities */
.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Margin utilities */
.m-0 { margin: 0; }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }

/* Margin auto */
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ==================== DISPLAY UTILITIES ==================== */

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.hidden {
  display: none;
}

/* ============================================
   WORKPLACE EDITION LAYOUT
   ============================================ */

.workplace-hero {
  padding: clamp(var(--spacing-3xl), 8vw, var(--spacing-4xl)) 0;
  background-color: var(--color-bg-primary);
}

.workplace-hero__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(var(--spacing-xl), 6vw, var(--spacing-2xl));
  align-items: center;
}

.workplace-hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 520px;
  margin-left: auto;
}

.workplace-hero__description {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

.workplace-hero__cta {
  display: inline-flex;
}

.workplace-hero__media {
  display: flex;
  justify-content: flex-start;
}

.workplace-hero__media img {
  width: 100%;
  max-width: 33.75rem;
  height: auto;
}

.confidence-band {
  position: relative;
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  margin: clamp(var(--spacing-3xl), 8vw, var(--spacing-4xl)) 0 clamp(var(--spacing-4xl), 12vw, var(--spacing-5xl));
  overflow: hidden;
}

.confidence-band__inner {
  position: relative;
  z-index: 2;
  padding: clamp(var(--spacing-3xl), 8vw, var(--spacing-4xl)) var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.confidence-band__inner h2 {
  color: var(--color-white);
  text-align: center;
}

.confidence-band__inner p {
  color: var(--color-white);
  opacity: 0.95;
  text-align: center;
}

.confidence-band__curve {
  position: absolute;
  top: calc(-1 * clamp(var(--spacing-3xl), 10vw, var(--spacing-4xl)));
  left: 50%;
  width: 160%;
  height: clamp(var(--spacing-3xl), 10vw, var(--spacing-4xl));
  background-color: var(--color-bg-primary);
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 1;
}

.confidence-band__curve--bottom {
  top: auto;
  bottom: calc(-1 * clamp(var(--spacing-3xl), 10vw, var(--spacing-4xl)));
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}

.confidence-band--cta {
  margin-top: 0;
}

.workplace-modules {
  padding: clamp(var(--spacing-4xl), 10vw, var(--spacing-5xl)) 0;
  background-color: var(--color-bg-secondary);
}

.module-card-grid {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.module-card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  height: 100%;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.module-card__media {
  display: flex;
  justify-content: flex-start;
}

.module-card__media img {
  width: clamp(3.5rem, 5vw, 4.5rem);
  height: clamp(3.5rem, 5vw, 4.5rem);
}

.module-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.module-card__description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  flex-grow: 1;
}

.module-card .btn {
  align-self: flex-start;
}

.workplace-demo {
  padding: clamp(var(--spacing-4xl), 10vw, var(--spacing-5xl)) 0;
  background-color: var(--color-bg-primary);
}

.workplace-demo__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(var(--spacing-xl), 6vw, var(--spacing-2xl));
  align-items: center;
}

.workplace-demo__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.workplace-demo__description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.workplace-demo__media {
  display: flex;
  justify-content: center;
}

.workplace-demo__media img {
  width: 100%;
  max-width: min(100%, 38.75rem);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid color-mix(in srgb, var(--color-text-dark) 4%, transparent);
}

.feature-icons {
  padding: clamp(var(--spacing-4xl), 10vw, var(--spacing-5xl)) 0;
  background-color: var(--color-bg-secondary);
}

.feature-icon-grid {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-icon-card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  text-align: left;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-icon-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.feature-icon-card__media {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--color-accent) 22%, transparent);
  width: fit-content;
}

.feature-icon-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.feature-icon-card__description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.feature-icon-card__svg {
  width: 4rem;
  height: 4rem;
}

.feature-icon-card__stroke {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-icon-card__accent {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-icon-card__dot {
  fill: var(--color-accent);
  stroke: none;
}

/* ==================== ACCESSIBILITY ==================== */

/* Screen reader only content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 100;
  text-decoration: none;
}

.skip-to-main:focus {
  top: 0;
}

/* ==================== SPLIT SECTION (image left / text right) ==================== */
.split-section {
  padding: clamp(var(--spacing-3xl), 8vw, var(--spacing-4xl)) 0;
  background-color: var(--color-bg-primary);
}

.split-section__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(var(--spacing-xl), 6vw, var(--spacing-2xl));
  align-items: center;
}

.split-section__media {
  display: flex;
  justify-content: center;
}

.split-section__media .illustration-card { /* reuse card look from screenshots */
  max-width: 36rem;
  width: 100%;
}

.split-section__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Curved section helper (top/bottom waves) */
.curve-section {
  position: relative;
  overflow: hidden;
}

.curve-section::before,
.curve-section::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: clamp(80px, 12vw, 140px);
  background-color: var(--color-bg);
  z-index: 0;
}

.curve-section--top::before { top: 0; border-radius: 0 0 50% 50%; transform: translateY(-50%); }
.curve-section--bottom::after { bottom: 0; border-radius: 50% 50% 0 0; transform: translateY(50%); }

/* Responsive split */
@media (max-width: 1024px) {
  .split-section__grid { grid-template-columns: 1fr; }
  .split-section__media { order: -1; }
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-4xl);
  }
  .hero-section {
    padding: var(--spacing-3xl) 0;
  }
  .hero-metrics {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  .hero-form {
    justify-self: center; /* center on tablet */
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding: var(--spacing-3xl) 0;
  }

  .hero-container {
    margin-bottom: var(--spacing-3xl);
  }

  .hero-form {
    justify-self: center; /* center on mobile */
  }
}