/* ==========================================================================
   components.css — 704 Diesel & Welding Services
   All shared reusable component classes.
   Every value references CSS variables from /css/base.css.
   ZERO hardcoded values (except brand-specific overrides noted inline).
   ========================================================================== */

/* ==========================================================================
   1. LAYOUT UTILITIES
   ========================================================================== */

.section {
  padding: var(--section-padding-y) var(--section-padding-x);
}

.container {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container.row {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--grid-gutter);
}

/* ==========================================================================
   2. BUTTON SYSTEM
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--btn-padding-y) var(--btn-padding-x);
  font-family: var(--font-body);
  font-weight: var(--btn-font-weight);
  font-size: var(--btn-font-size);
  border-radius: var(--btn-radius);
  border: var(--border-width) solid transparent;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-default);
  text-decoration: none;
  line-height: 1;
}

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

/* Primary — black background, white text */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #222222;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:focus-visible {
  outline-color: var(--color-focus-ring);
}

/* Accent — teal background, dark text (key CTA style for this brand) */
.btn-accent {
  background: var(--color-accent);
  color: #111111;
}

.btn-accent:hover {
  background: #25d4b0;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent:focus-visible {
  outline-color: var(--color-accent);
}

/* Secondary — light gray background, dark text */
.btn-secondary {
  background: var(--color-neutral-100);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-neutral-200);
  transform: translateY(-1px);
}

.btn-secondary:focus-visible {
  outline-color: var(--color-focus-ring);
}

/* Outline — transparent background, black border */
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-outline:focus-visible {
  outline-color: var(--color-primary);
}

/* Outline White — for use on dark/image backgrounds */
.btn-outline-white {
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
}

.btn-outline-white:hover {
  background: #fff;
  color: var(--color-primary);
}

.btn-outline-white:focus-visible {
  outline-color: #fff;
}

/* Ghost — no background, colored text */
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
}

.btn-ghost:hover {
  background: var(--color-neutral-100);
}

.btn-ghost:focus-visible {
  outline-color: var(--color-focus-ring);
}

/* White — white background, dark text */
.btn-white {
  background: #fff;
  color: var(--color-neutral-900);
}

.btn-white:hover {
  background: var(--color-neutral-100);
  transform: translateY(-1px);
}

.btn-white:focus-visible {
  outline-color: var(--color-primary);
}

/* Size modifiers */
.btn-sm {
  padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--btn-lg-padding-y) var(--btn-lg-padding-x);
  font-size: var(--font-size-lg);
}

/* ==========================================================================
   3. CARDS
   ========================================================================== */

.card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: var(--card-shadow);
  border: var(--card-border);
  transition: all var(--duration-normal) var(--ease-default);
}

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

/* ==========================================================================
   4. HEADINGS & TEXT
   ========================================================================== */

.heading-xl {
  font-family: var(--font-heading);
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

.heading-lg {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

.heading-md {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

.text-body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-secondary {
  color: var(--color-text-secondary);
}

/* Section label / eyebrow — teal accent color is a key brand element */
.section-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  align-self: flex-start;
}

/* ==========================================================================
   5. BADGES
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--badge-padding-y) var(--badge-padding-x);
  border-radius: var(--badge-radius);
  font-size: var(--badge-font-size);
  font-weight: var(--badge-font-weight);
  line-height: 1;
  flex-grow: 0;
  flex-shrink: 0;
  align-self: flex-start;
  width: fit-content;
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-secondary {
  background: var(--color-secondary-light);
  color: var(--color-secondary-dark);
}

.badge-success {
  background: color-mix(in srgb, var(--color-success) 15%, transparent);
  color: var(--color-success);
}

/* ==========================================================================
   6. GRID UTILITIES
   ========================================================================== */

.grid-2,
.grid-3,
.grid-4 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--grid-gutter);
}

.grid-2 > * {
  flex: 0 0 calc(50% - var(--grid-gutter) / 2);
}

.grid-3 > * {
  flex: 0 0 calc(33.333% - var(--grid-gutter) * 2 / 3);
}

.grid-4 > * {
  flex: 0 0 calc(25% - var(--grid-gutter) * 3 / 4);
}

@media (max-width: 768px) {
  .grid-2 > *,
  .grid-3 > *,
  .grid-4 > * {
    flex: 0 0 100%;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 > *,
  .grid-4 > * {
    flex: 0 0 calc(50% - var(--grid-gutter) / 2);
  }
}

/* ==========================================================================
   7. FORM INPUTS
   ========================================================================== */

.form-input {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--input-padding-x);
  border: var(--input-border);
  border-radius: var(--input-radius);
  background: var(--input-bg);
  font-size: var(--font-size-base);
  transition: border-color var(--duration-fast) var(--ease-default);
  color: var(--color-text);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--input-focus-ring);
}

textarea.form-input {
  height: auto;
  padding: var(--space-3) var(--input-padding-x);
}

/* ==========================================================================
   8. STATS
   ========================================================================== */

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-none);
  color: var(--color-accent);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

/* ==========================================================================
   9. SECTION DIVIDERS
   Industrial brand — clean background alternation preferred over clip-path.
   Classes defined for structural use without decorative complexity.
   ========================================================================== */

.section-divider {
  position: relative;
}

.section-divider::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--divider-height);
  background: var(--divider-color);
  pointer-events: none;
  z-index: 0;
}

.section-divider-bottom::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: var(--divider-height);
  background: var(--divider-accent-color);
  pointer-events: none;
  z-index: 0;
}

/* ==========================================================================
   10. ACCENT ELEMENTS
   Used consistently on ALL pages for visual identity cohesion.
   ========================================================================== */

.accent-line {
  width: var(--accent-line-width);
  height: var(--accent-line-height);
  background: var(--accent-line-color);
  border-radius: var(--accent-line-radius);
}

.accent-line-center {
  margin-left: auto;
  margin-right: auto;
}

.accent-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--accent-line-color);
  display: inline-block;
}

/* ==========================================================================
   11. IMAGE PRESENTATION
   ========================================================================== */

.img-rounded {
  border-radius: var(--img-radius);
}

.img-avatar {
  border-radius: var(--img-radius-avatar);
  object-fit: cover;
}

/* ==========================================================================
   12. DECORATIVE BLOBS / GLOWS
   MUST be position: absolute inside a position: relative + overflow: hidden parent.
   MUST have pointer-events: none and z-index: 0.
   ========================================================================== */

.blob {
  position: absolute;
  width: var(--blob-size);
  height: var(--blob-size);
  border-radius: var(--radius-full);
  opacity: var(--blob-opacity);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}

.blob-primary {
  background: var(--blob-color-1);
}

.blob-secondary {
  background: var(--blob-color-2);
}

/* ==========================================================================
   13. ACCORDION / FAQ
   Shared component — same styles used site-wide.
   JS in /js/interactions.js
   ========================================================================== */

.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.accordion-item {
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-surface);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  text-align: left;
  transition: background var(--duration-fast) var(--ease-default);
  color: var(--color-text);
}

.accordion-trigger:hover {
  background: var(--color-bg-secondary);
}

.accordion-trigger .accordion-icon {
  transition: transform var(--duration-normal) var(--ease-default);
  flex-shrink: 0;
}

.accordion-item.active .accordion-trigger .accordion-icon {
  transform: rotate(180deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-default);
}

.accordion-panel-inner {
  padding: var(--space-4) var(--space-5);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   14. BACK TO TOP BUTTON
   Uses teal accent with dark text for brand consistency.
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: var(--z-sticky);
  background: var(--color-accent);
  color: #111;
  border: none;
  border-radius: var(--radius-full);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-default);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   15. MOBILE CTA BAR
   Required for trade service businesses. Collapsible.
   Placed in /_includes/footer.html to appear on all pages.
   ========================================================================== */

.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: #000;
  border-top: 2px solid var(--color-accent);
  display: none; /* shown via media query below */
  flex-direction: column;
  transition: transform var(--duration-normal) var(--ease-default);
}

@media (max-width: 1024px) {
  .mobile-cta-bar {
    display: flex;
  }
}

.mobile-cta-toggle {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-1) var(--space-3);
  cursor: pointer;
  background: transparent;
  border: none;
  color: #fff;
  font-size: var(--font-size-xs);
  gap: var(--space-1);
  width: 100%;
}

.mobile-cta-toggle svg {
  transition: transform var(--duration-fast) var(--ease-default);
}

.mobile-cta-bar.collapsed .mobile-cta-toggle svg {
  transform: rotate(180deg);
}

.mobile-cta-buttons {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
}

.mobile-cta-bar.collapsed .mobile-cta-buttons {
  display: none;
}

.mobile-cta-buttons a {
  flex: 1;
  text-align: center;
  padding: var(--space-3) var(--space-4);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

/* Primary CTA — teal accent */
.mobile-cta-buttons a.cta-call {
  background: var(--color-accent);
  color: #111;
}

/* Secondary CTA — white outline */
.mobile-cta-buttons a.cta-quote {
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
}

/* ==========================================================================
   16. RESPONSIVE HEADING SCALE-DOWNS
   ========================================================================== */

@media (max-width: 768px) {
  .heading-xl {
    font-size: var(--font-size-4xl);
  }

  .heading-lg {
    font-size: var(--font-size-3xl);
  }
}