/* ==========================================================================
   Arco Design System
   Premium CSS custom properties and base utilities for Elementor Arco Pro
   ========================================================================== */

/* ── 1. Custom Properties ─────────────────────────────────────────────────── */

:root {
  /* Colors */
  --arco-primary:         #1a3c6e;
  --arco-primary-dark:    #122b4f;
  --arco-secondary:       #e8a020;
  --arco-secondary-dark:  #c78512;
  --arco-white:           #ffffff;
  --arco-black:           #111111;

  --arco-neutral-50:      #f8fafc;
  --arco-neutral-100:     #f1f5f9;
  --arco-neutral-200:     #e2e8f0;
  --arco-neutral-300:     #cbd5e1;
  --arco-neutral-400:     #94a3b8;
  --arco-neutral-500:     #64748b;
  --arco-neutral-600:     #475569;
  --arco-neutral-700:     #334155;
  --arco-neutral-800:     #1e293b;
  --arco-neutral-900:     #0f172a;

  --arco-success:         #15803d;
  --arco-success-light:   #dcfce7;
  --arco-danger:          #b91c1c;
  --arco-danger-light:    #fee2e2;

  /* Typography */
  --arco-font-heading: "Inter", system-ui, -apple-system, sans-serif;
  --arco-font-body:    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --arco-text-xs:   0.75rem;    /* 12px */
  --arco-text-sm:   0.875rem;   /* 14px */
  --arco-text-base: 1rem;       /* 16px */
  --arco-text-lg:   1.125rem;   /* 18px */
  --arco-text-xl:   1.25rem;    /* 20px */
  --arco-text-2xl:  1.5rem;     /* 24px */
  --arco-text-3xl:  1.875rem;   /* 30px */
  --arco-text-4xl:  2.25rem;    /* 36px */
  --arco-text-5xl:  3rem;       /* 48px */

  /* Spacing — 8px grid */
  --arco-space-1:   4px;
  --arco-space-2:   8px;
  --arco-space-3:   12px;
  --arco-space-4:   16px;
  --arco-space-5:   20px;
  --arco-space-6:   24px;
  --arco-space-8:   32px;
  --arco-space-10:  40px;
  --arco-space-12:  48px;
  --arco-space-16:  64px;
  --arco-space-20:  80px;
  --arco-space-24:  96px;

  /* Radius */
  --arco-radius-sm: 4px;
  --arco-radius-md: 8px;
  --arco-radius-lg: 12px;
  --arco-radius-xl: 20px;

  /* Shadows */
  --arco-shadow-sm: 0 1px 3px rgba(0, 0, 0, .07), 0 1px 2px rgba(0, 0, 0, .05);
  --arco-shadow-md: 0 4px 12px rgba(0, 0, 0, .09), 0 2px 4px rgba(0, 0, 0, .06);
  --arco-shadow-lg: 0 12px 32px rgba(0, 0, 0, .12), 0 4px 8px rgba(0, 0, 0, .07);

  /* Transitions */
  --arco-transition-fast: 120ms ease;
  --arco-transition-base: 220ms ease;
}

/* ── 2. Responsive Container ──────────────────────────────────────────────── */

.arco-container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--arco-space-6);
}

@media (min-width: 1280px) {
  .arco-container {
    padding-inline: var(--arco-space-8);
  }
}

/* ── 3. Section Titles & Lead ─────────────────────────────────────────────── */

.arco-section-title {
  font-family: var(--arco-font-heading);
  font-size: var(--arco-text-3xl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--arco-neutral-900);
  margin: 0 0 var(--arco-space-4) 0;
}

@media (min-width: 768px) {
  .arco-section-title {
    font-size: var(--arco-text-4xl);
  }
}

.arco-section-lead {
  font-family: var(--arco-font-body);
  font-size: var(--arco-text-lg);
  line-height: 1.65;
  color: var(--arco-neutral-600);
  max-width: 60ch;
  margin: 0 0 var(--arco-space-10) 0;
}

/* ── 4. Buttons ───────────────────────────────────────────────────────────── */

.arco-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--arco-space-2);
  font-family: var(--arco-font-body);
  font-size: var(--arco-text-base);
  font-weight: 600;
  line-height: 1;
  padding: 14px var(--arco-space-6);
  border-radius: var(--arco-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--arco-transition-fast),
              border-color var(--arco-transition-fast),
              color var(--arco-transition-fast),
              box-shadow var(--arco-transition-fast),
              transform var(--arco-transition-fast);
  user-select: none;
  -webkit-appearance: none;
}

/* Primary (brand blue) */
.arco-btn--primary {
  background-color: var(--arco-primary);
  color: var(--arco-white);
  border-color: var(--arco-primary);
}
.arco-btn--primary:hover {
  background-color: var(--arco-primary-dark);
  border-color: var(--arco-primary-dark);
}

/* Secondary (amber) */
.arco-btn--secondary {
  background-color: var(--arco-secondary);
  color: var(--arco-white);
  border-color: var(--arco-secondary);
}
.arco-btn--secondary:hover {
  background-color: var(--arco-secondary-dark);
  border-color: var(--arco-secondary-dark);
}

/* Outline (dark) */
.arco-btn--outline {
  background-color: transparent;
  color: var(--arco-primary);
  border-color: var(--arco-primary);
}
.arco-btn--outline:hover {
  background-color: var(--arco-primary);
  color: var(--arco-white);
}

/* Outline white (for dark backgrounds) */
.arco-btn--outline-white {
  background-color: transparent;
  color: var(--arco-white);
  border-color: rgba(255,255,255,.65);
}
.arco-btn--outline-white:hover {
  background-color: var(--arco-white);
  color: var(--arco-primary);
  border-color: var(--arco-white);
}

/* Ghost white */
.arco-btn--ghost-white {
  background-color: rgba(255,255,255,.1);
  color: var(--arco-white);
  border-color: transparent;
}
.arco-btn--ghost-white:hover {
  background-color: rgba(255,255,255,.18);
}

/* Size: small */
.arco-btn--sm {
  font-size: var(--arco-text-sm);
  padding: 10px var(--arco-space-5);
}

/* Focus-visible */
.arco-btn:focus-visible {
  outline: 3px solid var(--arco-secondary);
  outline-offset: 3px;
}

/* Disabled */
.arco-btn:disabled,
.arco-btn[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}

/* Loading state (inject via JS) */
.arco-btn--loading .arco-btn__label {
  opacity: 0;
}
.arco-btn--loading .arco-btn__spinner {
  display: block;
}
.arco-btn__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,.35);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: arco-spin 0.65s linear infinite;
  position: absolute;
}
.arco-btn--submit {
  position: relative;
  min-width: 180px;
}

@keyframes arco-spin {
  to { transform: rotate(360deg); }
}

/* ── 5. Badges ────────────────────────────────────────────────────────────── */

.arco-badge {
  display: inline-block;
  font-family: var(--arco-font-body);
  font-size: var(--arco-text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--arco-primary);
  background-color: rgba(26, 60, 110, .08);
  padding: var(--arco-space-1) var(--arco-space-3);
  border-radius: var(--arco-radius-sm);
  margin-bottom: var(--arco-space-3);
}

/* ── 6. Cards (base) ──────────────────────────────────────────────────────── */

.arco-card {
  background: var(--arco-white);
  border-radius: var(--arco-radius-lg);
  box-shadow: var(--arco-shadow-sm);
  border: 1px solid var(--arco-neutral-200);
  transition: box-shadow var(--arco-transition-base), transform var(--arco-transition-base);
}
.arco-card:hover {
  box-shadow: var(--arco-shadow-md);
  transform: translateY(-2px);
}

/* ── 7. Form Inputs ───────────────────────────────────────────────────────── */

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

.arco-form-field__label {
  font-family: var(--arco-font-body);
  font-size: var(--arco-text-sm);
  font-weight: 600;
  color: var(--arco-neutral-700);
  display: flex;
  align-items: center;
  gap: var(--arco-space-2);
}

.arco-form-field__label span[aria-hidden] {
  color: var(--arco-danger);
}

.arco-form-field__hint {
  font-weight: 400;
  color: var(--arco-neutral-500);
  font-size: var(--arco-text-xs);
}

.arco-form-field__input,
.arco-form-field__select,
.arco-form-field__textarea {
  font-family: var(--arco-font-body);
  font-size: var(--arco-text-base);
  color: var(--arco-neutral-900);
  background-color: var(--arco-neutral-50);
  border: 1px solid var(--arco-neutral-300);
  border-radius: var(--arco-radius-md);
  padding: 11px var(--arco-space-4);
  width: 100%;
  line-height: 1.5;
  transition: border-color var(--arco-transition-fast),
              box-shadow var(--arco-transition-fast),
              background-color var(--arco-transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

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

.arco-form-field__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--arco-space-4) center;
  padding-right: var(--arco-space-10);
  cursor: pointer;
}

/* Focus state */
.arco-form-field__input:focus,
.arco-form-field__select:focus,
.arco-form-field__textarea:focus {
  outline: none;
  border-color: var(--arco-primary);
  background-color: var(--arco-white);
  box-shadow: 0 0 0 3px rgba(26, 60, 110, .12);
}

/* Error state */
.arco-form-field--error .arco-form-field__input,
.arco-form-field--error .arco-form-field__select,
.arco-form-field--error .arco-form-field__textarea {
  border-color: var(--arco-danger);
  background-color: var(--arco-danger-light);
}
.arco-form-field--error .arco-form-field__input:focus,
.arco-form-field--error .arco-form-field__select:focus,
.arco-form-field--error .arco-form-field__textarea:focus {
  box-shadow: 0 0 0 3px rgba(185, 28, 28, .15);
}

.arco-form-field__error {
  font-size: var(--arco-text-xs);
  color: var(--arco-danger);
  font-weight: 500;
  min-height: 1em;
}

/* File input */
.arco-form-field__input--file {
  padding: var(--arco-space-3) var(--arco-space-4);
  cursor: pointer;
}
.arco-form-field__input--file::-webkit-file-upload-button {
  font-family: var(--arco-font-body);
  font-size: var(--arco-text-sm);
  font-weight: 600;
  color: var(--arco-primary);
  background: var(--arco-neutral-100);
  border: 1px solid var(--arco-neutral-300);
  border-radius: var(--arco-radius-sm);
  padding: var(--arco-space-2) var(--arco-space-4);
  margin-right: var(--arco-space-4);
  cursor: pointer;
  transition: background-color var(--arco-transition-fast);
}
.arco-form-field__input--file::-webkit-file-upload-button:hover {
  background-color: var(--arco-neutral-200);
}

/* Success / Error feedback messages */
.arco-quote-form__feedback {
  margin-top: var(--arco-space-6);
  padding: var(--arco-space-4) var(--arco-space-5);
  border-radius: var(--arco-radius-md);
  font-size: var(--arco-text-base);
  font-weight: 500;
  line-height: 1.5;
}
.arco-quote-form__feedback--success {
  background-color: var(--arco-success-light);
  color: var(--arco-success);
  border: 1px solid rgba(21, 128, 61, .25);
}
.arco-quote-form__feedback--error {
  background-color: var(--arco-danger-light);
  color: var(--arco-danger);
  border: 1px solid rgba(185, 28, 28, .25);
}