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

:root {
  /* Color palette - Industrial safety inspired */
  --color-background: #f7f9fc;
  --color-surface: #ffffff;
  --color-surface-muted: #f1f3f7;

  --color-text: #111827;
  --color-text-muted: #6b7280;

  --color-primary: #f5b100; /* Safety yellow */
  --color-primary-dark: #d89600;
  --color-primary-soft: rgba(245, 177, 0, 0.12);

  --color-accent: #0f4c81; /* Deep industrial blue */
  --color-accent-dark: #08345a;

  --color-success: #16a34a;
  --color-success-soft: rgba(22, 163, 74, 0.12);

  --color-warning: #eab308;
  --color-warning-soft: rgba(234, 179, 8, 0.12);

  --color-danger: #dc2626;
  --color-danger-soft: rgba(220, 38, 38, 0.12);

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

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

  --font-size-xs: 0.75rem;  /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-md: 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-5: 0.625rem; /* 10px */
  --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-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows - subtle but crisp for product cards */
  --shadow-xs: 0 1px 2px rgba(15, 76, 129, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 76, 129, 0.08), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 10px rgba(15, 76, 129, 0.12);
  --shadow-lg: 0 12px 30px rgba(15, 76, 129, 0.16);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 180ms ease-out;
  --transition-slow: 240ms ease-out;

  /* Layout */
  --container-max-width: 1200px;
}

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

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

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

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;
  margin: 0;
  padding: 0;
}

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

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

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

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

/* Remove default focus outlines to re-implement with :focus-visible */
:focus {
  outline: none;
}

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

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

main {
  min-height: 60vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

h1 {
  font-size: clamp(2rem, 2.6vw + 1rem, 2.75rem);
  margin-bottom: var(--space-12);
}

h2 {
  font-size: clamp(1.5rem, 2vw + 0.5rem, 2.125rem);
  margin-bottom: var(--space-8);
}

h3 {
  font-size: clamp(1.25rem, 1.3vw + 0.75rem, 1.5rem);
  margin-bottom: var(--space-6);
}

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

h5 {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-3);
}

h6 {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

p.lead {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--color-accent-dark);
}

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

strong, b {
  font-weight: 600;
}

code, pre {
  font-family: var(--font-mono);
}

hr {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: var(--space-16) 0;
}

/* ==========================================================================
   Accessibility & Motion
   ========================================================================== */

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

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

/* Layout containers */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-16);
}

@media (max-width: 768px) {
  .container {
    padding-inline: var(--space-10);
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-8);
  }
}

.section {
  padding-block: var(--space-24);
}

.section--tight {
  padding-block: var(--space-16);
}

/* Flex helpers */

.flex {
  display: flex;
}

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

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

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

.flex-center {
  align-items: center;
  justify-content: center;
}

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

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

.gap-xs { gap: var(--space-4); }
.gap-sm { gap: var(--space-6); }
.gap-md { gap: var(--space-8); }
.gap-lg { gap: var(--space-12); }
.gap-xl { gap: var(--space-16); }

/* Grid helpers for product listings */

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

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities (margin-bottom commonly used in content) */

.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--space-4) !important; }
.mb-sm { margin-bottom: var(--space-6) !important; }
.mb-md { margin-bottom: var(--space-8) !important; }
.mb-lg { margin-bottom: var(--space-12) !important; }
.mb-xl { margin-bottom: var(--space-16) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--space-4) !important; }
.mt-sm { margin-top: var(--space-6) !important; }
.mt-md { margin-top: var(--space-8) !important; }
.mt-lg { margin-top: var(--space-12) !important; }
.mt-xl { margin-top: var(--space-16) !important; }

/* Text alignment */

.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

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

.sr-only-focusable:active,
.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

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

/* Buttons - primary actions like "In winkelwagen" */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: 0.625rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--font-size-sm);
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #111827;
  box-shadow: var(--shadow-sm);
}

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

.btn--secondary {
  background-color: var(--color-surface);
  color: var(--color-accent);
  border-color: var(--color-gray-200);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  background-color: var(--color-surface-muted);
}

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

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

.btn--danger {
  background-color: var(--color-danger);
  color: #ffffff;
}

.btn--danger:hover {
  background-color: #b91c1c;
}

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

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

/* Form controls */

.input,
textarea,
select {
  width: 100%;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-300);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-snug);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

.input::placeholder,
textarea::placeholder {
  color: var(--color-gray-400);
}

.input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), 0 0 0 4px rgba(15, 76, 129, 0.12);
}

.input:disabled,
textarea:disabled,
select:disabled {
  background-color: var(--color-gray-100);
  cursor: not-allowed;
  color: var(--color-gray-500);
}

label {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-800);
}

.form-help {
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card - product tiles, info boxes */

.card {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-xs);
  padding: var(--space-10);
  transition:
    box-shadow var(--transition-normal),
    transform var(--transition-normal),
    border-color var(--transition-normal);
}

.card--interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-soft);
}

.card__header {
  margin-bottom: var(--space-6);
}

.card__body {
  margin-bottom: var(--space-6);
}

.card__footer {
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-100);
}

/* Badge - e.g. "Nieuw", "Aanbieding" */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.badge--success {
  background-color: var(--color-success-soft);
  color: var(--color-success);
}

.badge--danger {
  background-color: var(--color-danger-soft);
  color: var(--color-danger);
}

/* Alerts - safety / compliance notices */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
}

.alert--info {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.alert--success {
  background-color: var(--color-success-soft);
  border-color: var(--color-success);
}

.alert--warning {
  background-color: var(--color-warning-soft);
  border-color: var(--color-warning);
}

.alert--danger {
  background-color: var(--color-danger-soft);
  border-color: var(--color-danger);
}

.alert__title {
  font-weight: 600;
  margin-bottom: var(--space-2);
}

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

/* Tables - for order summaries, product specs */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

th, td {
  padding: 0.6rem 0.75rem;
  text-align: left;
}

th {
  font-weight: 600;
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-200);
}

tbody tr:nth-child(even) {
  background-color: var(--color-gray-50);
}

/* Chips / Pill filters - for categories like handschoenen, veiligheidsvesten */

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-gray-200);
  font-size: var(--font-size-xs);
  color: var(--color-gray-700);
  background-color: #ffffff;
  cursor: pointer;
  transition:
    background-color var(--transition-normal),
    border-color var(--transition-normal),
    color var(--transition-normal);
}

.chip--active {
  border-color: var(--color-accent);
  background-color: var(--color-primary-soft);
  color: var(--color-accent-dark);
}

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

/* Tag for secure / trusted elements (e.g. "Veilig afrekenen") */

.trust-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-gray-700);
}

.trust-indicator__icon {
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  background-color: var(--color-success);
  display: inline-block;
}

/* End of base.css */