/* ==========================================================================
   THE BEST HOME BAKER - BESPOKE CAKE ATELIER
   Official Semantic Design System Stylesheet
   Color System: Cotton Cream, Neutral Greige, Rose Blonde, Dusty Brown
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,500;0,600;0,700;1,500;1,600&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* User-Defined Preferred Brand Color Tokens */
  --color-cotton-cream: #E4D8CB;    /* Warm artisanal paper canvas */
  --color-neutral-greige: #CDC6C3;  /* Subdued architectural greige */
  --color-rose-blonde: #CFB3A9;     /* Soft botanical rose highlight */
  --color-dusty-brown: #A09086;     /* Earthy craft signature tone */

  /* Semantic Surface Tokens (STRICT ZERO WHITE: Cotton Cream, Neutral Greige) */
  --surface-primary: #E4D8CB;       /* Cotton Cream primary canvas */
  --surface-secondary: #CDC6C3;     /* Neutral Greige backdrop */
  --surface-elevated: #E4D8CB;      /* Cotton Cream card surface */
  --surface-subtle: #CDC6C3;        /* Neutral Greige wash */
  --surface-dark: #231B16;          /* Deep espresso dark backdrop */

  /* Hairlines & Structural Borders */
  --border-subtle: #A09086;         /* Dusty Brown divider */
  --border-strong: #A09086;         /* Dusty Brown tactile border */
  --border-focus: #231B16;          /* High contrast focus ring */

  /* High-Contrast Readability Typography Tokens */
  --text-primary: #231B16;          /* Deep Espresso Noir (WCAG AAA 13.5:1 on #E4D8CB) */
  --text-secondary: #4A3E37;        /* Velvet Umber (WCAG AAA 8.6:1 on #E4D8CB) */
  --text-tertiary: #6E5F56;         /* Warm graphite (WCAG AA 5.2:1 on #E4D8CB) */
  --text-inverse: #E4D8CB;          /* Cotton Cream on dark backgrounds (NEVER WHITE) */

  /* Signature Accents & Interactive Tokens */
  --accent: #231B16;                /* Primary luxury dark anchor */
  --accent-hover: #3A2C25;          /* Warm roast hover */
  --accent-active: #15100D;         /* Deep roast active */
  --accent-craft: #A09086;          /* Dusty Brown craft accent */
  --accent-craft-hover: #8D7D73;    /* Deeper Dusty Brown */
  --accent-tint: #F3ECE6;           /* Rose Blonde soft glaze */
  --accent-badge-bg: #CFB3A9;       /* Rose Blonde pill background */
  --accent-badge-text: #231B16;     /* High-contrast text on badge */
  --accent-glow: rgba(160, 144, 134, 0.25);

  /* Functional Status & Validation Tokens */
  --success-surface: #F0FDF4;
  --success-border: #86EFAC;
  --success-text: #166534;

  --warning-surface: #FFFBEB;
  --warning-border: #FCD34D;
  --warning-text: #92400E;

  --error-surface: #FEF2F2;
  --error-border: #FCA5A5;
  --error-text: #991B1B;

  /* Fonts */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(35, 27, 22, 0.04), 0 6px 16px rgba(35, 27, 22, 0.03);
  --shadow-hover: 0 14px 32px -4px rgba(74, 62, 55, 0.08), 0 4px 12px -2px rgba(35, 27, 22, 0.03);
  --shadow-modal: 0 24px 48px -8px rgba(35, 27, 22, 0.14);
}

/* Base Resets & Typography */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--surface-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-feature-settings: "kern" 1, "liga" 1;
}

/* Button Component Tokens */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--accent);
  color: #E4D8CB !important;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.8125rem 1.75rem;
  border-radius: 9999px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(35, 27, 22, 0.18);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(35, 27, 22, 0.26);
  color: #E4D8CB !important;
}

.btn-primary:active {
  transform: translateY(1px) scale(0.98);
  background-color: var(--accent-active);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: transparent;
  color: var(--text-primary) !important;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.8125rem 1.75rem;
  border-radius: 9999px;
  border: 1px solid var(--border-strong);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-secondary:hover {
  background-color: var(--surface-secondary);
  border-color: var(--text-primary);
  color: var(--text-primary) !important;
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(1px) scale(0.98);
}

/* Card & Surface Tokens */
.card-atelier {
  background-color: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem; /* 16px Shape Consistency */
  box-shadow: var(--shadow-subtle);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.card-atelier:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-strong);
}

/* Badges & Pills */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.95rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background-color: var(--accent-badge-bg);
  color: var(--accent-badge-text);
  border: 1px solid var(--color-dusty-brown);
}

/* Form Controls */
.input-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.input-field {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem; /* 12px Shape Consistency */
  border: 1px solid var(--border-subtle);
  background-color: var(--color-cotton-cream);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-field:focus {
  outline: none;
  border-color: var(--color-dusty-brown);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-field::placeholder {
  color: var(--text-tertiary);
  opacity: 0.85;
}

.input-error {
  border-color: var(--error-border) !important;
  background-color: var(--error-surface);
}

.error-text {
  font-size: 0.75rem;
  color: var(--error-text);
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Active Filter Tabs */
.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background-color: transparent;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--color-dusty-brown);
  background-color: var(--color-neutral-greige);
}

.filter-btn.active {
  background-color: var(--text-primary);
  color: #E4D8CB;
  border-color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(35, 27, 22, 0.2);
}

/* Accordion Styling */
.accordion-item {
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  background-color: var(--surface-elevated);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.accordion-item:hover {
  border-color: var(--color-dusty-brown);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.2s ease;
}

.accordion-trigger:hover {
  color: var(--color-dusty-brown);
}

.accordion-icon {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
  padding: 0 1.5rem;
}

.accordion-item.open .accordion-content {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem 1.5rem;
}

/* Sticky Mobile CTA Bar */
.sticky-mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(250, 247, 242, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  z-index: 40;
  display: none;
  box-shadow: 0 -4px 16px rgba(35, 27, 22, 0.06);
}

@media (max-width: 768px) {
  .sticky-mobile-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
  }
  body {
    padding-bottom: 4.5rem;
  }
}

/* Reduced Motion Compliance */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .card-atelier:hover {
    transform: none !important;
  }
  .btn-primary:hover, .btn-secondary:hover {
    transform: none !important;
  }
}