/* AlgoLudens — The Whimsical Curator (Organic Brutalism)
   Tokens & components per assets/Homepage_DESIGN.md */

:root {
  --primary:                 #ca0b19;
  --primary-dim:             #b40012;
  --on-primary:              #ffffff;
  --secondary-container:     #f8efef;
  --on-secondary-container:  #3b1113;
  --tertiary:                #007166;
  --on-tertiary:             #ffffff;
  --inverse-surface:         #0e0e0c;
  --on-inverse-surface:      #f2eee5;
  --on-surface:              #393832;
  --on-surface-variant:      #57564e;
  --surface:                 #fffbff;
  --surface-container-lowest:#ffffff;
  --surface-container-low:   #fdf9f4;
  --surface-container:       #f7f3ed;
  --surface-container-high:  #f1ede5;
  --surface-container-highest:#ebe8df;
  --outline-variant:         #bcb9b1;

  --radius-sm: 0.75rem;
  --radius-md: 1.5rem;
  --radius-lg: 2rem;
  --radius-xl: 3rem;
  --radius-full: 9999px;

  --shadow-float: 0 24px 60px rgba(57, 56, 50, 0.08);
  --shadow-soft:  0 12px 40px rgba(57, 56, 50, 0.06);

  --content-max: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--surface-container-low);
  color: var(--on-surface);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body { min-height: 100vh; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; }

/* Typography ---------------------------------------------------------- */
.display-lg {
  font-weight: 700;
  font-size: clamp(2.75rem, 7vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--inverse-surface);
}
.display-lg em {
  font-style: italic;
  font-weight: 700;
  color: var(--primary);
}
.headline-lg {
  font-weight: 700;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--inverse-surface);
}
.title-lg {
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--inverse-surface);
}
.body-lg { font-size: 1.0625rem; line-height: 1.65; color: var(--on-surface); }
.body-md { font-size: 1rem;      line-height: 1.65; color: var(--on-surface); }
.label-md {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

/* Layout -------------------------------------------------------------- */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* Header -------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(253, 249, 244, 0.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.25rem;
}
.brand {
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  color: var(--inverse-surface);
  text-decoration: none;
}
.brand::before {
  content: "◆";
  color: var(--primary);
  margin-right: 0.4rem;
  font-size: 0.8em;
}

/* Language switch ----------------------------------------------------- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--surface-container-highest);
  border-radius: var(--radius-full);
}
.lang-switch button {
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  border: 0;
  background: transparent;
  color: var(--on-surface-variant);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.lang-switch button:hover { color: var(--inverse-surface); }
.lang-switch button[aria-current="true"] {
  background: var(--inverse-surface);
  color: var(--on-inverse-surface);
}

/* Buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
  border: 0;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dim) 100%);
  color: var(--on-primary);
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { transform: scale(1.02); box-shadow: var(--shadow-float); }
.btn-secondary {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
}
.btn-secondary:hover { transform: scale(1.02); }
.btn-ghost {
  background: transparent;
  color: var(--inverse-surface);
  padding: 0.5rem 0;
}

/* Hero Editorial ------------------------------------------------------ */
.hero-editorial {
  padding-block: clamp(1rem, 2vw, 1.5rem) clamp(3.5rem, 7vw, 6rem);
  background: var(--surface-container-low);
}
.hero-editorial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3rem);
}
@media (min-width: 900px) {
  .hero-editorial-grid {
    grid-template-columns: 11fr 9fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: start;
  }
}
.hero-editorial .display-lg {
  font-size: clamp(1.85rem, 4vw, 3rem);
}
.hero-accent-bar {
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  margin-bottom: 1rem;
}

/* Deco strip ---------------------------------------------------------- */
.hero-deco-strip {
  margin-block: 1.5rem 2.5rem;
  overflow: hidden;
}
.deco-variant-wrap {
  position: relative;
}
.deco-variant-wrap + .deco-variant-wrap {
  margin-top: 0.25rem;
}
.deco-label {
  position: absolute;
  top: 0.35rem;
  left: var(--gutter);
  opacity: 0.45;
  pointer-events: none;
  z-index: 1;
}
.hero-deco-strip svg {
  width: 1440px;
  max-width: none;
  height: 96px;
  display: block;
}

.hero-deco-strip {
  mask-image: linear-gradient(to right, transparent 0, #000 40px, #000 calc(100% - 40px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 40px, #000 calc(100% - 40px), transparent 100%);
}

.header-deco-strip {
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  align-self: stretch;
  margin-inline: 1.25rem;
  mask-image: linear-gradient(to right, transparent 0, #000 60px, #000 calc(100% - 60px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 60px, #000 calc(100% - 60px), transparent 100%);
}
.header-deco-strip svg {
  width: 1440px;
  max-width: none;
  height: 100%;
  display: block;
}
.hero-editorial-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 0.25rem;
}
@media (min-width: 900px) {
  .hero-editorial-body { padding-top: 0.6rem; }
}
.hero-editorial-body .body-lg { color: var(--on-surface-variant); }
.hero-lead { color: var(--on-surface) !important; font-weight: 500; }
.hero-editorial-body strong { color: var(--inverse-surface); font-weight: 700; }

/* Sections ------------------------------------------------------------ */
.section-modules {
  background: var(--surface-container);
  padding-block: clamp(3rem, 6vw, 5rem);
}
.section-intro { text-align: center; max-width: 52ch; margin: 0 auto 2.5rem; }
.section-intro .body-lg { color: var(--on-surface-variant); margin-top: 0.75rem; }

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 720px)  { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cards { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.25rem;
}
.card-icon.red    { background: var(--secondary-container); color: var(--primary); }
.card-icon.teal   { background: #dcefec;                    color: var(--tertiary); }
.card-icon.amber  { background: #f7eacd;                    color: #b57a18; }
.card .body-md { color: var(--on-surface-variant); }
.card-cta {
  margin-top: auto;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  text-decoration: none;
}
.card-cta:hover { text-decoration: underline; }

/* DoKo teaser --------------------------------------------------------- */
.section-doko {
  background: var(--surface-container);
  padding-block: clamp(3rem, 6vw, 5rem);
}
.doko-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
@media (min-width: 900px) { .doko-grid { grid-template-columns: 1fr 1fr; } }
.doko-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  aspect-ratio: 4 / 3;
}
.doko-photo img { width: 100%; height: 100%; object-fit: cover; }
.section-doko .doko-photo { max-width: 360px; }

.pill {
  display: inline-block;
  background: var(--surface-container-lowest);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  color: var(--on-surface);
  box-shadow: var(--shadow-soft);
}
.doko-copy .body-lg { color: var(--on-surface-variant); margin-top: 0.75rem; }
.doko-copy .btn { margin-top: 1.75rem; }

/* Footer -------------------------------------------------------------- */
.site-footer {
  background: var(--surface-container-highest);
  padding-block: 3rem 2rem;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 2fr repeat(3, 1fr); } }
.footer-brand p { margin-top: 0.5rem; color: var(--on-surface-variant); max-width: 32ch; }
.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin: 0 0 0.75rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a { text-decoration: none; color: var(--on-surface); }
.footer-col a:hover { color: var(--primary); }
.footer-col .lang-switch { margin-top: -0.25rem; }
.footer-copy {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  color: var(--on-surface-variant);
  font-size: 0.85rem;
}

/* Placeholder / simple pages ------------------------------------------ */
.page-simple {
  padding-block: clamp(3rem, 6vw, 5rem);
  min-height: 55vh;
}
.page-simple.page-top-compact {
  padding-block-start: clamp(1rem, 2vw, 1.5rem);
}
.page-simple .back-link {
  display: inline-block;
  margin-top: 1.5rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.page-simple .back-link:hover { text-decoration: underline; }

.doko-page-hero {
  background: var(--surface-container);
  padding-block: clamp(3rem, 6vw, 5rem);
}
.doko-page-hero .doko-photo { max-width: 560px; margin-top: 2rem; }

/* Accessibility & motion --------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .btn-primary:hover, .btn-secondary:hover, .card:hover { transform: none; }
}