/* ==========================================================================
   Components — ColorBase Cortex
   ==========================================================================
   Reusable component classes. All values reference custom properties defined
   in tokens.css.  Import order: tokens.css -> components.css -> style.css.
   ========================================================================== */


/* ==========================================================================
   1. BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  border: 2px solid transparent;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: var(--lh-body);
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.btn:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 2px;
}

/* Primary — filled blue, white text */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-hover);
  border-color: var(--color-hover);
  box-shadow: var(--shadow-raised);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-card);
}

/* Secondary — ghost / outline, blue border, white fill */
.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-raised);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-card);
}

/* White — ghost for dark backgrounds */
.btn-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-raised);
  transform: translateY(-2px);
}

.btn-white:active {
  transform: translateY(0);
  box-shadow: var(--shadow-card);
}


/* ==========================================================================
   2. CARDS
   ========================================================================== */

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-xl);
}

.card-hover {
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

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


/* ==========================================================================
   3. BADGES / PILLS
   ========================================================================== */

.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-caption);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}


/* ==========================================================================
   4. SECTION CONTAINER
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--grid-max-width);
  margin-inline: auto;
  padding-inline: var(--grid-gutter);
}

.section {
  padding-block: var(--space-section);
}

.section-alt {
  background-color: var(--color-light-fill);
}


/* ==========================================================================
   5. GRID UTILITIES
   ========================================================================== */

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Responsive: collapse to single column on small screens */
@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Mid breakpoint: 2-col for 3- and 4-column grids */
@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}


/* ==========================================================================
   6. TYPOGRAPHY HELPERS
   ========================================================================== */

.text-center  { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent  { color: var(--color-accent); }
.text-gray    { color: var(--color-text-secondary); }

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--fw-bold);
  line-height: var(--lh-heading);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-h3);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-bottom: var(--space-2xl);
}

/* Center subtitles when used with .text-center */
.text-center .section-subtitle,
.section-subtitle.text-center {
  margin-inline: auto;
}


/* ==========================================================================
   7. FORM ELEMENTS
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--lh-body);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

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

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235A6272' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: var(--space-2xl);
  cursor: pointer;
}

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


/* ==========================================================================
   8. SCROLL REVEAL
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}


/* ==========================================================================
   9. ICON GRID ITEM
   ========================================================================== */

.icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-sm);
}

.icon-item svg,
.icon-item img {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.icon-item .icon-item-label {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
}

.icon-item .icon-item-desc {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  line-height: var(--lh-body);
  color: var(--color-text-secondary);
  max-width: 280px;
}


/* ==========================================================================
   10. KEY METRIC STRIP
   ========================================================================== */

.metric-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-2xl);
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xs);
}

.metric-item svg,
.metric-item img {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.metric-item .metric-number {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: var(--fw-bold);
  line-height: var(--lh-heading);
  color: var(--color-primary);
}

.metric-item .metric-label {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  line-height: var(--lh-caption);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ==========================================================================
   11. STEPPER / TIMELINE
   ========================================================================== */

.stepper {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  counter-reset: step;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  counter-increment: step;
}

/* Numbered circle */
.step::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-display);
  font-size: var(--text-body);
  font-weight: var(--fw-bold);
  flex-shrink: 0;
  margin-bottom: var(--space-sm);
}

/* Connector line between steps */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 20px;
  left: calc(50% + 28px);
  width: calc(100% - 56px);
  height: 2px;
  background-color: var(--color-border);
}

.step .step-label {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.step .step-desc {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  line-height: var(--lh-body);
  color: var(--color-text-secondary);
  max-width: 220px;
}

/* Responsive: stack vertically on small screens */
@media (max-width: 768px) {
  .stepper {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-lg);
  }

  .step {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: var(--space-md);
  }

  .step::before {
    margin-bottom: 0;
  }

  .step:not(:last-child)::after {
    display: none;
  }
}


/* ==========================================================================
   12. CODE BLOCK
   ========================================================================== */

.code-block {
  background-color: var(--color-dark);
  color: var(--color-text-inverse);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  line-height: var(--lh-body);
  padding: var(--space-lg);
  border-radius: var(--radius-card);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.code-block code {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}