/* ========================================================================
   Components — buttons, inputs, cards, badges, accordion, modal, slider
   ======================================================================== */

/* ---------- BUTTONS ---------- */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.95rem 1.65rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform var(--t-fast) var(--ease-out),
    background-color var(--t-fast) var(--ease-out),
    color var(--t-fast) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    border-color var(--t-fast) var(--ease-out);
  user-select: none;
  white-space: nowrap;
  isolation: isolate;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus), var(--shadow-2);
}
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Primary — bold gold on cream (high-conversion CTA) */
.btn-primary {
  background: var(--gold-500);
  color: var(--charcoal-900);
  border-color: var(--gold-500);
  box-shadow: 0 6px 18px rgba(232, 200, 74, 0.35), 0 1px 3px rgba(26, 32, 44, 0.08);
}
.btn-primary:hover {
  background: var(--gold-400);
  border-color: var(--gold-400);
  color: var(--charcoal-950);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(232, 200, 74, 0.45), 0 2px 6px rgba(26, 32, 44, 0.1);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-1);
}

/* Cream-on-dark variant for use inside dark sections */
.btn-cream {
  background: var(--cream-50);
  color: var(--charcoal-900);
  border-color: var(--cream-50);
  box-shadow: var(--shadow-2);
}
.btn-cream:hover {
  background: var(--white);
  border-color: var(--white);
  color: var(--charcoal-900);
  transform: translateY(-1px);
  box-shadow: var(--shadow-4);
}

/* Gold — alternate CTA. Since btn-primary is also gold, this variant adds a gradient for hero moments. */
.btn-gold {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: var(--charcoal-900);
  border-color: var(--gold-600);
  box-shadow: 0 8px 24px rgba(232, 200, 74, 0.4);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--charcoal-900);
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(232, 200, 74, 0.5);
}

/* Secondary — charcoal outlined (pairs with gold primary) */
.btn-secondary {
  background: transparent;
  color: var(--charcoal-900);
  border-color: var(--charcoal-900);
}
.btn-secondary:hover {
  background: var(--charcoal-900);
  color: var(--cream-50);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.btn-secondary--cream {
  color: var(--cream-50);
  border-color: var(--cream-50);
}
.btn-secondary--cream:hover {
  background: var(--cream-50);
  color: var(--charcoal-900);
}

/* Ghost — text + arrow */
.btn-ghost {
  background: transparent;
  color: var(--charcoal-900);
  padding-inline: var(--space-2);
}
.btn-ghost:hover {
  color: var(--gold-600);
}
.btn-ghost .arrow {
  transition: transform var(--t-base) var(--ease-out);
}
.btn-ghost:hover .arrow {
  transform: translateX(4px);
}

/* WhatsApp pill — charcoal body, gold icon/text (no green) */
.btn-whatsapp {
  background: var(--charcoal-900);
  color: var(--gold-400);
  border-color: var(--charcoal-900);
  box-shadow: 0 6px 18px rgba(26, 32, 44, 0.25);
}
.btn-whatsapp:hover {
  background: var(--charcoal-800);
  color: var(--gold-300);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(26, 32, 44, 0.35);
}

/* Sizes */
.btn-lg {
  padding: 1.15rem 2rem;
  font-size: 1.05rem;
}
.btn-sm {
  padding: 0.65rem 1.1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}
.btn-block { width: 100%; }

/* Subtle pulse to draw the eye */
.btn-pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  animation: pulseRing 2.4s ease-out infinite;
}

/* ---------- INPUTS / FORM CONTROLS ---------- */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--fs-small);
  font-weight: var(--weight-semibold);
  color: var(--text-strong);
  letter-spacing: 0.01em;
}
.field-label .hint {
  font-size: 0.75rem;
  color: var(--text-subtle);
  font-weight: var(--weight-regular);
  letter-spacing: 0;
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.95rem 1.1rem;
  background: var(--white);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--text-strong);
  line-height: 1.4;
  transition:
    border-color var(--t-fast) var(--ease-out),
    box-shadow var(--t-fast) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}
.input::placeholder,
.textarea::placeholder { color: var(--ink-400); }
.input:hover,
.textarea:hover,
.select:hover { border-color: var(--border-medium); }
.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--gold-500);
  box-shadow: var(--shadow-focus);
}
.input--lg {
  padding: 1.25rem 1.25rem;
  font-size: 1.15rem;
  font-weight: var(--weight-medium);
}
.textarea { min-height: 6.5rem; resize: vertical; }

.field--error .input,
.field--error .textarea,
.field--error .select {
  border-color: var(--danger);
  background: rgba(179, 58, 58, 0.04);
}
.field--error .field-error {
  display: block;
}
.field-error {
  display: none;
  margin-top: var(--space-1);
  color: var(--danger);
  font-size: 0.78rem;
  font-weight: var(--weight-medium);
}

/* Honeypot — visually + behaviorally hidden */
.honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
  tabindex: -1;
}

/* Inline measurement input with unit suffix */
.input-group {
  position: relative;
}
.input-group .input { padding-right: 4rem; }
.input-group .suffix {
  position: absolute;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-subtle);
  font-weight: var(--weight-medium);
  pointer-events: none;
}

/* Choice tile — used in calculator product/install steps */
.choice-tile {
  position: relative;
  display: block;
  padding: 0;
  background: var(--white);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-align: left;
  transition:
    border-color var(--t-fast) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    transform var(--t-fast) var(--ease-out);
  overflow: hidden;
  width: 100%;
}
.choice-tile:hover {
  border-color: var(--gold-500);
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}
.choice-tile.is-selected {
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px var(--gold-200), var(--shadow-3);
}
.choice-tile input { position: absolute; opacity: 0; pointer-events: none; }

.choice-tile__media {
  aspect-ratio: 4 / 3;
  background: var(--cream-100);
  position: relative;
  overflow: hidden;
}
.choice-tile__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-vslow) var(--ease-out);
}
.choice-tile:hover .choice-tile__media img { transform: scale(1.04); }
.choice-tile__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
}
.choice-tile__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--weight-semibold);
  color: var(--text-strong);
  margin-bottom: var(--space-1);
}
.choice-tile__meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
  letter-spacing: 0.02em;
}
.choice-tile__price {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: var(--weight-semibold);
  color: var(--gold-700);
}
.choice-tile__price small {
  font-size: 0.75rem;
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  color: var(--text-muted);
  margin-left: 2px;
}
.choice-tile__check {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--white);
  border: 1.5px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast) var(--ease-out);
  z-index: 2;
}
.choice-tile.is-selected .choice-tile__check {
  background: var(--gold-500);
  border-color: var(--gold-500);
}
.choice-tile.is-selected .choice-tile__check::after {
  content: "";
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--charcoal-900);
  border-bottom: 2px solid var(--charcoal-900);
  transform: rotate(-45deg) translate(1px, -1px);
}

/* ---------- CARDS ---------- */

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-1);
  transition:
    transform var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    border-color var(--t-fast) var(--ease-out);
  overflow: hidden;
}
.card--hoverable:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-3);
  border-color: var(--cream-300);
}
.card--padded { padding: var(--space-6); }
.card--padded-lg { padding: clamp(1.5rem, 3vw, 2.5rem); }

/* ---------- BADGES & PILLS ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.35rem 0.7rem;
  background: var(--gold-100);
  color: var(--gold-700);
  font-size: 0.7rem;
  font-weight: var(--weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.badge--gold {
  background: var(--gold-100);
  color: var(--gold-700);
}
.badge--cream {
  background: var(--cream-100);
  color: var(--charcoal-900);
}
.badge--dark {
  background: var(--charcoal-900);
  color: var(--gold-400);
}
.badge--sm { padding: 0.25rem 0.55rem; font-size: 0.65rem; }
.badge-dot::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

/* Star rating row */
.stars {
  display: inline-flex;
  gap: 2px;
  color: var(--gold-500);
}
.stars svg { width: 1em; height: 1em; }

/* ---------- ACCORDION ---------- */

.accordion {
  border-top: 1px solid var(--border-soft);
}
.accordion__item {
  border-bottom: 1px solid var(--border-soft);
}
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: var(--weight-semibold);
  color: var(--text-strong);
  text-align: left;
  cursor: pointer;
  background: transparent;
  border: none;
  transition: color var(--t-fast) var(--ease-out);
}
.accordion__trigger:hover { color: var(--gold-600); }
.accordion__icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--cream-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    background var(--t-fast) var(--ease-out),
    transform var(--t-base) var(--ease-out);
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--charcoal-900);
  border-radius: 1px;
  transition: opacity var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}
.accordion__icon::before { width: 12px; height: 2px; }
.accordion__icon::after  { width: 2px; height: 12px; }
.accordion__icon { position: relative; }
.accordion__item.is-open .accordion__icon { background: var(--gold-500); }
.accordion__item.is-open .accordion__icon::before { background: var(--charcoal-900); }
.accordion__item.is-open .accordion__icon::after  { opacity: 0; transform: rotate(90deg); }

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-slow) var(--ease-in-out);
}
.accordion__panel-inner {
  overflow: hidden;
}
.accordion__panel-content {
  padding: 0 0 var(--space-5);
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 60ch;
}
.accordion__item.is-open .accordion__panel {
  grid-template-rows: 1fr;
}

/* ---------- MODAL ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 20, 25, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  transition: opacity var(--t-base) var(--ease-out);
}
.modal-backdrop.is-open {
  display: flex;
  opacity: 1;
}
.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 540px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  box-shadow: var(--shadow-4);
  transform: scale(0.96);
  opacity: 0;
  transition:
    opacity var(--t-base) var(--ease-out),
    transform var(--t-base) var(--ease-out);
}
.modal-backdrop.is-open .modal {
  opacity: 1;
  transform: scale(1);
}

/* ---------- BEFORE/AFTER SLIDER ---------- */

.before-after {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--cream-100);
  user-select: none;
  touch-action: none;
  cursor: grab;
}
.before-after.is-dragging { cursor: grabbing; }
.before-after__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  display: block;
}
/* AFTER image is the same size as BEFORE — clipped to show right portion only */
.before-after__img--after {
  clip-path: inset(0 0 0 50%);
  will-change: clip-path;
}
.before-after__divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--cream-50);
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 0 1px rgba(26, 32, 44, 0.18);
  will-change: left;
}
.before-after__handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: var(--cream-50);
  border: 2px solid var(--gold-500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-3);
  pointer-events: none;
  color: var(--charcoal-900);
}
.before-after__handle svg { width: 20px; height: 20px; }
.before-after__label {
  position: absolute;
  top: var(--space-3);
  padding: 0.3rem 0.7rem;
  background: rgba(26, 32, 44, 0.75);
  color: var(--cream-50);
  font-size: 0.7rem;
  font-weight: var(--weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  pointer-events: none;
  backdrop-filter: blur(6px);
}
.before-after__label--before { left: var(--space-3); }
.before-after__label--after  { right: var(--space-3); }

/* ---------- TOAST ---------- */

.toast-stack {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 340px;
}
.toast {
  background: var(--charcoal-900);
  color: var(--cream-50);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-3);
  font-size: 0.9rem;
  animation: slideInRight 240ms var(--ease-out);
}
.toast--success { background: var(--success); }
.toast--error   { background: var(--danger); }

/* ---------- DIVIDER WITH LABEL ---------- */

.divider-label {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-subtle);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: var(--weight-semibold);
  margin-block: var(--space-6);
}
.divider-label::before,
.divider-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-soft);
}