/* ========================================================================== 
   Variables
   ========================================================================== */

:root {
  /* Colors */
  --color-bg: #f5f6f8; /* soft, light grey */
  --color-bg-elevated: #ffffff;
  --color-bg-muted: #eef0f3;

  --color-text: #1f2933; /* deep neutral */
  --color-text-soft: #4b5563;
  --color-text-muted: #6b7280;

  --color-primary: #2c6fbf; /* cool, trustworthy blue */
  --color-primary-soft: #e0ecfb;
  --color-primary-strong: #1e4f8a;

  --color-success: #2f9a62;
  --color-warning: #d9901a;
  --color-danger: #d14343;

  --color-border-subtle: #d2d6de;
  --color-border: #c0c6d0;
  --color-border-strong: #9ca3af;

  --color-neutral-50: #f9fafb;
  --color-neutral-100: #f3f4f6;
  --color-neutral-200: #e5e7eb;
  --color-neutral-300: #d1d5db;
  --color-neutral-400: #9ca3af;
  --color-neutral-500: #6b7280;
  --color-neutral-600: #4b5563;
  --color-neutral-700: #374151;
  --color-neutral-800: #1f2933;
  --color-neutral-900: #111827;

  /* Wood-inspired accent (subtle, for highlights/badges if needed) */
  --color-wood: #c89b6b;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Base font sizing using rems for scalability */
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.125rem;  /* 2px */
  --space-2: 0.25rem;   /* 4px */
  --space-3: 0.375rem;  /* 6px */
  --space-4: 0.5rem;    /* 8px */
  --space-6: 0.75rem;   /* 12px */
  --space-8: 1rem;      /* 16px */
  --space-10: 1.25rem;  /* 20px */
  --space-12: 1.5rem;   /* 24px */
  --space-16: 2rem;     /* 32px */
  --space-20: 2.5rem;   /* 40px */
  --space-24: 3rem;     /* 48px */
  --space-32: 4rem;     /* 64px */
  --space-40: 5rem;     /* 80px */
  --space-48: 6rem;     /* 96px */

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-pill: 999px;

  /* Shadows (subtle, modern) */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 180ms ease-out;
  --transition-slow: 250ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-normal: 0ms;
    --transition-slow: 0ms;
  }
}

/* ========================================================================== 
   Reset / Normalize
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

h1, h2, h3, h4, h5, h6,
p, figure,
blockquote,
dl, dd {
  margin: 0;
}

ul[role='list'],
ol[role='list'] {
  list-style: none;
  padding: 0;
  margin: 0;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  padding: 0;
  background: none;
}

textarea {
  resize: vertical;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Remove default focus outline; re-add with :focus-visible below */
:focus {
  outline: none;
}

/* ========================================================================== 
   Base Styles
   ========================================================================== */

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--color-bg);
  color: var(--color-text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-16);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-12);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-10);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-6);
}

h6 {
  font-size: var(--font-size-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

p {
  margin-bottom: var(--space-8);
  color: var(--color-text-soft);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary);
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--color-primary-strong);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

small {
  font-size: var(--font-size-sm);
}

hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-16) 0;
}

/* ========================================================================== 
   Accessibility
   ========================================================================== */

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Screen-reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================================================== 
   Utilities
   ========================================================================== */

/* Layout containers */

.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-16);
  padding-right: var(--space-16);
  max-width: 1200px;
}

@media (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }
}

.section {
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}

.section--tight {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

/* Flex helpers */

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-row {
  flex-direction: row;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-4 {
  gap: var(--space-4);
}

.gap-8 {
  gap: var(--space-8);
}

.gap-12 {
  gap: var(--space-12);
}

.gap-16 {
  gap: var(--space-16);
}

/* Grid helpers */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-16);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-16);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-16);
}

@media (max-width: 960px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Width constraints, useful for product content */

/* Text alignment */

.text-left {
  text-align: left;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

/* Spacing utilities (margin / padding) */

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.pt-0 { padding-top: 0; }
.pt-8 { padding-top: var(--space-8); }
.pt-16 { padding-top: var(--space-16); }

.pb-0 { padding-bottom: 0; }
.pb-8 { padding-bottom: var(--space-8); }
.pb-16 { padding-bottom: var(--space-16); }

.p-8 { padding: var(--space-8); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }

/* Display helpers */

.hidden {
  display: none !important;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

/* ========================================================================== 
   Components
   ========================================================================== */

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.1;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

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

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

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn--outline:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
}

.btn--ghost:hover {
  background-color: var(--color-bg-muted);
  color: var(--color-text);
}

.btn:disabled,
.btn[aria-disabled='true'] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

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

/* Form elements */

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
}

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
}

.input[disabled],
.select[disabled],
.textarea[disabled] {
  background-color: var(--color-neutral-100);
  cursor: not-allowed;
  color: var(--color-text-muted);
}

.label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.field-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--space-2);
}

/* Card – for product tiles, info blocks, etc. */

.card {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: var(--shadow-xs);
  padding: var(--space-16);
  transition:
    box-shadow var(--transition-normal),
    transform var(--transition-normal),
    border-color var(--transition-normal),
    background-color var(--transition-normal);
}

.card--interactive:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(148, 163, 184, 0.5);
}

.card--muted {
  background-color: var(--color-bg-muted);
}

.card-header {
  margin-bottom: var(--space-8);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.card-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

.card-footer {
  margin-top: var(--space-12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Subtle badge, e.g. for promotions or expert tips */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.badge--neutral {
  background-color: var(--color-neutral-100);
  color: var(--color-text-muted);
}

.badge--accent {
  background-color: rgba(200, 155, 107, 0.15);
  color: var(--color-wood);
}

/* Helper for product price emphasis */

.price {
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.price--muted {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Header / navigation basics (minimal, shared) */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(245, 246, 248, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.site-nav a {
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--color-text);
}

.site-nav a[aria-current='page'] {
  color: var(--color-text);
  border-color: var(--color-primary);
}

/* Footer basics */

.site-footer {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  background-color: #ffffff;
  color: var(--color-text-soft);
  font-size: var(--font-size-sm);
}

.site-footer a {
  color: var(--color-text-soft);
}

.site-footer a:hover {
  color: var(--color-text);
}

/* ========================================================================== 
   Mobile Responsive - Buttons & Typography
   ========================================================================== */

@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-12);
  }

  h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-10);
  }

  h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
  }

  h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-6);
  }
}

@media (max-width: 640px) {
  .btn {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-sm);
    text-align: center;
  }

  .card-footer {
    width: 100%;
  }

  .card-footer .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-10);
  }

  h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
  }

  h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-6);
  }

  h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-4);
  }

  .btn {
    padding: 0.65rem 0.75rem;
    font-size: var(--font-size-xs);
  }
}

/* ========================================================================== 
   End of base.css
   ========================================================================== */