/* ==========================================================================
   Caffenation — Specialty Coffee Roasters, Antwerp
   Shared design system: tokens + reusable components.
   Mobile-first. Every page links to this single stylesheet.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette */
  --color-primary: #ca3311;
  --color-primary-dark: #a52710;
  --color-primary-light: #e8563a;
  --color-secondary: #1c1c1c;
  --color-secondary-soft: #232323;
  --color-accent: #eb2626;
  --color-accent-dark: #c81d1d;

  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-alt: #f7f4f2;
  --color-surface: #e6e2e1;
  --color-surface-strong: #d8d2cf;
  --color-border: #ddd6d3;
  --color-text: #111111;
  --color-text-muted: #6b6360;
  --color-text-invert: #f7f4f2;

  /* Feedback */
  --color-success: #2f7a4f;
  --color-warning: #b7791f;
  --color-danger: #eb2626;

  /* Typography */
  --font-sans: "Assistant", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --font-display: "Assistant", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 3rem;
  --fs-5xl: 3.75rem;

  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-normal: 1.6;
  --lh-loose: 1.8;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-black: 800;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.06em;
  --tracking-wider: 0.14em;

  /* Spacing scale (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --space-10: 5rem;
  --space-11: 6rem;
  --space-12: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 780px;
  --container-wide: 1440px;
  --gutter: var(--space-4);
  --header-height: 68px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --radius-circle: 50%;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(17, 17, 17, 0.06);
  --shadow-sm: 0 2px 6px rgba(17, 17, 17, 0.08);
  --shadow-md: 0 6px 18px rgba(17, 17, 17, 0.1);
  --shadow-lg: 0 16px 40px rgba(17, 17, 17, 0.14);
  --shadow-focus: 0 0 0 3px rgba(202, 51, 17, 0.35);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 140ms;
  --duration-base: 240ms;
  --duration-slow: 420ms;

  /* Stacking */
  --z-header: 100;
  --z-overlay: 200;
  --z-modal: 300;
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  font-weight: var(--fw-regular);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

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

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

h1,
.h1 {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-black);
}

h2,
.h2 {
  font-size: var(--fs-2xl);
}

h3,
.h3 {
  font-size: var(--fs-xl);
}

h4,
.h4 {
  font-size: var(--fs-lg);
  letter-spacing: var(--tracking-normal);
}

p {
  margin: 0 0 var(--space-4);
}

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

.lead {
  font-size: var(--fs-lg);
  line-height: var(--lh-normal);
  color: var(--color-text-muted);
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-primary);
}

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

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

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

.link {
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
  border-bottom: 1px solid transparent;
}

.link:hover {
  border-bottom-color: currentColor;
}

/* --------------------------------------------------------------------------
   4. Layout primitives
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  padding-block: var(--space-9);
}

.section--tight {
  padding-block: var(--space-7);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background-color: var(--color-secondary);
  color: var(--color-text-invert);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-text-invert);
}

.section__header {
  max-width: var(--container-narrow);
  margin-bottom: var(--space-7);
}

.section__header--center {
  margin-inline: auto;
  text-align: center;
}

.stack > * + * {
  margin-top: var(--space-4);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

.divider {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin-block: var(--space-7);
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: #ffffff;
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-invert);
}

.btn-secondary:hover {
  background-color: #000000;
  color: var(--color-text-invert);
}

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

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

.btn-outline-invert {
  background-color: transparent;
  color: var(--color-text-invert);
  border-color: rgba(247, 244, 242, 0.4);
}

.btn-outline-invert:hover {
  background-color: var(--color-text-invert);
  color: var(--color-secondary);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--fs-xs);
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: var(--fs-base);
}

.btn-block {
  width: 100%;
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   6. Cards
   -------------------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

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

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-surface);
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.card:hover .card__media img {
  transform: scale(1.04);
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
}

.card__title {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
}

.card__text {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-3);
}

.card__price {
  font-weight: var(--fw-bold);
  color: var(--color-text);
}

.card--dark {
  background-color: var(--color-secondary-soft);
  border-color: transparent;
  color: var(--color-text-invert);
}

.card--dark .card__title,
.card--dark .card__price {
  color: var(--color-text-invert);
}

.card--dark .card__text {
  color: rgba(247, 244, 242, 0.72);
}

/* Badge / pill */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.badge--primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.badge--accent {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   7. Forms
   -------------------------------------------------------------------------- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

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

.textarea {
  min-height: 8rem;
  resize: vertical;
}

/* --------------------------------------------------------------------------
   8. Site header / navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
}

/* Brand */
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

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

.site-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: var(--radius-circle);
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: var(--fw-black);
  font-size: var(--fs-lg);
  letter-spacing: var(--tracking-tight);
}

.site-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.site-brand__name {
  font-weight: var(--fw-black);
  font-size: var(--fs-lg);
  letter-spacing: var(--tracking-tight);
}

.site-brand__tagline {
  display: none;
  font-size: 0.6875rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
}

/* Mobile toggle (CSS-only) */
.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle__label {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 11px 9px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out);
}

.nav-toggle__label:hover {
  background-color: var(--color-surface);
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background-color: var(--color-text);
  transition: transform var(--duration-base) var(--ease-out),
    opacity var(--duration-fast) linear;
}

.nav-toggle:checked ~ .nav-toggle__label .nav-toggle__bar:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle:checked ~ .nav-toggle__label .nav-toggle__bar:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.nav-toggle:focus-visible ~ .nav-toggle__label {
  box-shadow: var(--shadow-focus);
}

/* Nav panel — collapsed on mobile */
.site-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4) var(--gutter) var(--space-6);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.nav-toggle:checked ~ .site-nav {
  display: flex;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.site-nav__link {
  display: block;
  padding: var(--space-3) var(--space-2);
  color: var(--color-text);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  transition: background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.site-nav__link:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-primary);
}

.site-nav__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   9. Site footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-secondary);
  color: rgba(247, 244, 242, 0.78);
  padding-top: var(--space-9);
}

.site-footer a {
  color: rgba(247, 244, 242, 0.78);
}

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

.site-footer .site-brand,
.site-footer .site-brand:hover {
  color: var(--color-text-invert);
}

.site-footer .site-brand__tagline {
  color: rgba(247, 244, 242, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-8);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-heading {
  margin: 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-invert);
}

.footer-tagline {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  color: rgba(247, 244, 242, 0.7);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--fs-sm);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-style: normal;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-circle);
  border: 1px solid rgba(247, 244, 242, 0.25);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.footer-social a:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-top: 1px solid rgba(247, 244, 242, 0.15);
  font-size: var(--fs-xs);
  color: rgba(247, 244, 242, 0.6);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   10. Utilities
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: var(--z-modal);
  padding: var(--space-3) var(--space-5);
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-md);
  font-weight: var(--fw-bold);
  transition: top var(--duration-base) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-4);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   11. Responsive — min-width media queries
   -------------------------------------------------------------------------- */
@media (min-width: 480px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  :root {
    --gutter: var(--space-6);
  }

  .section {
    padding-block: var(--space-10);
  }

  h1,
  .h1 {
    font-size: var(--fs-4xl);
  }

  h2,
  .h2 {
    font-size: var(--fs-3xl);
  }

  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 768px) {
  .site-brand__tagline {
    display: block;
  }

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  :root {
    --gutter: var(--space-8);
  }

  .section {
    padding-block: var(--space-11);
  }

  h1,
  .h1 {
    font-size: var(--fs-5xl);
  }

  /* Desktop navigation: inline, no toggle */
  .nav-toggle,
  .nav-toggle__label {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex !important;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-6);
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
  }

  .site-nav__link {
    padding: var(--space-2) 0;
    font-size: var(--fs-sm);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border-radius: 0;
    border-bottom: 2px solid transparent;
  }

  .site-nav__link:hover {
    background: transparent;
    border-bottom-color: var(--color-primary);
  }

  .site-nav__link[aria-current="page"] {
    border-bottom-color: var(--color-primary);
  }

  .site-nav__actions {
    flex-direction: row;
    align-items: center;
    padding-top: 0;
    border-top: 0;
  }

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

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

  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  }
}

@media (min-width: 1280px) {
  .grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@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;
  }
}