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

:root {
  /* Colors */
  --color-background: #f7f8fa;
  --color-surface: #ffffff;
  --color-text: #1f2933;
  --color-text-muted: #6b7280;

  --color-primary: #2563eb; /* accent blue */
  --color-primary-soft: #e0edff;
  --color-primary-strong: #1d4ed8;

  --color-success: #16a34a;
  --color-warning: #ea580c;
  --color-danger: #dc2626;

  --color-kraft-light: #f2e6d5;
  --color-kraft: #d1b792;
  --color-kraft-dark: #8b6b3e;

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

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, 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-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-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-7: 0.875rem; /* 14px */
  --space-8: 1rem;     /* 16px */
  --space-10: 1.25rem; /* 20px */
  --space-12: 1.5rem;  /* 24px */
  --space-14: 1.75rem; /* 28px */
  --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: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-soft: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-medium: 0 12px 30px rgba(15, 23, 42, 0.12);
  --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.07);

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

  /* Layout */
  --container-max-width: 1200px;
  --container-padding-x: var(--space-16);
}

@media (max-width: 768px) {
  :root {
    --container-padding-x: var(--space-8);
  }
}

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

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

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

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

ul, ol {
  padding-left: 1.25rem;
}

body {
  min-height: 100vh;
}

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

img {
  height: auto;
}

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

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

textarea {
  resize: vertical;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

/* Remove default link underlines, handled in base styles */
a {
  color: inherit;
  text-decoration: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

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

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

main {
  display: block;
}

/* Headings: modern, structured hierarchy */

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

h1 {
  font-size: clamp(2.25rem, 2.4vw, 2.75rem);
  margin-bottom: var(--space-16);
}

h2 {
  font-size: clamp(1.875rem, 2vw, 2.25rem);
  margin-bottom: var(--space-12);
}

h3 {
  font-size: clamp(1.5rem, 1.7vw, 1.875rem);
  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);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

p {
  margin-bottom: var(--space-8);
  /* comfortable line length */
}

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

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

strong {
  font-weight: 600;
}

/* Links: understated, professional */

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base),
              opacity var(--transition-fast);
}

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

a:active {
  opacity: 0.85;
}

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

/* Lists spacing */

ul, ol {
  margin-bottom: var(--space-8);
}

li + li {
  margin-top: var(--space-2);
}

/* Code */

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

pre {
  padding: var(--space-8);
  background-color: var(--gray-900);
  color: #f9fafb;
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

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

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

:focus:not(:focus-visible) {
  outline: none;
}

@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-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

.container-wide {
  width: 100%;
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

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

.section--tight {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

/* Flex helpers */

.flex {
  display: flex;
}

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

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

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

.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;
}

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

.gap-sm {
  gap: var(--space-6);
}

.gap-md {
  gap: var(--space-10);
}

.gap-lg {
  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: 1024px) {
  .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);
  }
}

/* Display helpers */

.hidden {
  display: none !important;
}

.block {
  display: block;
}

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

/* Text alignment */

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

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

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

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

/* Spacing utilities (subset for common use) */

.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--space-4) !important; }
.mt-sm { margin-top: var(--space-8) !important; }
.mt-md { margin-top: var(--space-16) !important; }
.mt-lg { margin-top: var(--space-24) !important; }
.mt-xl { margin-top: var(--space-32) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--space-4) !important; }
.mb-sm { margin-bottom: var(--space-8) !important; }
.mb-md { margin-bottom: var(--space-16) !important; }
.mb-lg { margin-bottom: var(--space-24) !important; }
.mb-xl { margin-bottom: var(--space-32) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-sm { padding-top: var(--space-8) !important; }
.pt-md { padding-top: var(--space-16) !important; }
.pt-lg { padding-top: var(--space-24) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-sm { padding-bottom: var(--space-8) !important; }
.pb-md { padding-bottom: var(--space-16) !important; }
.pb-lg { padding-bottom: var(--space-24) !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 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color var(--transition-base),
              border-color var(--transition-base),
              color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
  white-space: nowrap;
}

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

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

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

.btn-secondary {
  background-color: var(--color-surface);
  border-color: var(--gray-300);
  color: var(--color-text);
}

.btn-secondary:hover {
  border-color: var(--gray-400);
  box-shadow: var(--shadow-soft);
}

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

.btn-ghost:hover {
  background-color: rgba(15, 23, 42, 0.04);
}

.btn-kraft {
  background: linear-gradient(135deg, var(--color-kraft-light), var(--color-kraft));
  color: var(--color-text);
  border-color: rgba(0, 0, 0, 0.04);
  box-shadow: var(--shadow-soft);
}

.btn-kraft:hover {
  background: linear-gradient(135deg, var(--color-kraft), var(--color-kraft-dark));
  color: #fdfcf9;
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 0.75rem 1.8rem;
  font-size: var(--font-size-base);
}

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

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

/* Form elements */

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-300);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

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

.input:focus,
.select:focus,
.textarea:focus {
  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(--gray-100);
  cursor: not-allowed;
}

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

.form-help {
  margin-top: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card: used for products, filters, info blocks */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-16);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(15, 23, 42, 0.03);
}

.card--interactive {
  transition: box-shadow var(--transition-base),
              transform var(--transition-fast);
}

.card--interactive:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: var(--space-10);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

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

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

/* Tag / badge - useful for B2B labels like "Nieuw", "Actie" */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

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

.badge-kraft {
  background-color: var(--color-kraft-light);
  color: var(--color-kraft-dark);
}

.badge-neutral {
  background-color: var(--gray-100);
  color: var(--gray-700);
}

/* Banner base - for promotional / trust banners */

.banner {
  width: 100%;
  border-radius: var(--radius-lg);
  padding: var(--space-14) var(--space-16);
  background: linear-gradient(135deg, #ffffff, #f7f2e9);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-10);
  box-shadow: var(--shadow-soft);
}

.banner--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #ffffff;
}

.banner-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.banner-text {
  font-size: var(--font-size-sm);
  color: inherit;
}

/* Product imagery wrapper - keep aspect & polish */

.media-cover {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--gray-100);
}

.media-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-cover--ratio-4x3 {
  aspect-ratio: 4 / 3;
}

.media-cover--ratio-1x1 {
  aspect-ratio: 1 / 1;
}

/* Minimal top navigation helpers */

.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(247, 248, 250, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-10);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
}

.nav-link {
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link--active::after {
  width: 100%;
}

/* Footer basics */

.footer {
  background-color: #0f172a;
  color: #e5e7eb;
  padding-top: var(--space-24);
  padding-bottom: var(--space-16);
}

.footer a {
  color: inherit;
}

.footer a:hover {
  color: #ffffff;
}

.footer-meta {
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  margin-top: var(--space-16);
  padding-top: var(--space-10);
  font-size: var(--font-size-xs);
  color: #9ca3af;
}

/* End of base.css */