/* ════════════════════════════════════════════════════════════════════════════
   KLO base styles: consumes semantic tokens from tokens.css.
   Components are theme-agnostic; decorative fills use the raw --klo-* palette.
   ═════════════════════════════════════════════════════════════════════════════ */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* ── Nav ─────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1.5rem;
  background: var(--klo-blue-grey);
  border-bottom: 4px solid var(--klo-black);
}

.nav__brand img {
  display: block;
  height: 2.4rem;
  width: auto;
}

.nav__links {
  display: flex;
  gap: 0.9rem;
}

.nav__links a {
  color: var(--klo-black);
  background: var(--klo-cream);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.35rem 1.1rem;
  border: 3px solid var(--klo-black);
  border-radius: 999px;
  box-shadow: 3px 3px 0 var(--klo-black);
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.nav__links a:hover {
  background: var(--klo-yellow);
  transform: translate(-1px, -1px);
}

.nav__links a[aria-current="page"] {
  background: var(--klo-yellow);
}

h1,
h2,
h3 {
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 4.25rem);
  margin: 0 0 0.75rem;
  text-shadow: 3px 3px 0 var(--klo-yellow), 6px 6px 0 var(--klo-teal);
}

h2 {
  display: inline-block;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  margin: 0 0 1.5rem;
  padding: 0.35rem 1rem;
  background: var(--klo-yellow);
  border: 3px solid var(--color-text);
  border-radius: 0.9rem;
  box-shadow: 5px 5px 0 var(--color-text);
}

.about h2    { transform: rotate(-1.2deg); }
.projects h2 { transform: rotate(1deg); }

h3 {
  font-size: 1.3rem;
  margin: 0.5rem 0 0.5rem;
}

p {
  line-height: 1.6;
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 2.5rem 1.5rem 1.5rem;
}

.hero__burst {
  position: relative;
  display: inline-block;
  padding: 1.3rem;
  border-radius: 50%;
  margin-bottom: 0.75rem;
}

.hero__burst::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid var(--color-text);
  background: repeating-conic-gradient(
    var(--klo-yellow) 0deg 15deg,
    var(--color-bg) 15deg 30deg
  );
  animation: klo-spin 50s linear infinite;
  z-index: -1;
}

@keyframes klo-spin {
  to { transform: rotate(360deg); }
}

.hero__logo {
  display: block;
  width: min(15rem, 70vw);
  height: auto;
  /* The Earth art sits low in its own canvas; lift it to center on the burst. */
  transform: translateY(-5.6%);
}

.tagline {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin: 0 auto;
  max-width: 34rem;
}

.stamp {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.35rem 0.9rem;
  border: 3px solid var(--klo-black);
  border-radius: 0.9rem;
  background: var(--klo-peach);
  box-shadow: 4px 4px 0 var(--klo-black);
  transform: rotate(-2deg);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--klo-black);
}

/* ── Divider doodles ─────────────────────────────────────────────────────── */
.squiggle {
  height: 1.5rem;
  max-width: 36rem;
  margin: 0 auto 0.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='18' viewBox='0 0 120 18'%3E%3Cpath d='M0 9 Q 15 1 30 9 T 60 9 T 90 9 T 120 9' fill='none' stroke='black' stroke-width='3'/%3E%3C/svg%3E");
  background-size: auto 100%;
  background-repeat: repeat-x;
}

/* ── About ───────────────────────────────────────────────────────────────── */
.about {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 2.5rem;
  text-align: center;
}

.about p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin: 0;
}

/* ── Values ──────────────────────────────────────────────────────────────── */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 56rem;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.value-card {
  border: 3px solid var(--klo-black);
  border-radius: 1.25rem;
  box-shadow: 6px 6px 0 var(--klo-black);
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--klo-black);
}

.value-card:nth-child(1) { transform: rotate(-1.2deg); }
.value-card:nth-child(2) { transform: rotate(1deg); }
.value-card:nth-child(3) { transform: rotate(-0.6deg); }

.value-card--yellow { background: var(--klo-yellow); }
.value-card--teal   { background: var(--klo-teal); }
.value-card--green  { background: var(--klo-green); }

.value-card p {
  color: var(--klo-black);
  font-size: 0.95rem;
  margin: 0;
}

/* ── Projects ────────────────────────────────────────────────────────────── */
.projects {
  max-width: 56rem;
  margin: 0 auto;
  padding: 0 1.5rem 3.5rem;
  text-align: center;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.project-card {
  display: block;
  background: var(--color-surface);
  border: 3px solid var(--color-text);
  border-radius: 1.25rem;
  box-shadow: 6px 6px 0 var(--color-text);
  padding: 1.5rem 1.25rem;
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

a.project-card:hover {
  transform: rotate(0deg) translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--color-text);
}

.project-card:nth-child(1) { transform: rotate(-0.8deg); }
.project-card:nth-child(2) { transform: rotate(0.8deg); }

.project-card img {
  width: 7rem;
  height: 7rem;
  object-fit: contain;
  border-radius: 1rem;
  border: 3px solid var(--color-text);
  background: var(--klo-peach);
  padding: 0.4rem;
}

.project-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* ── Product pages ───────────────────────────────────────────────────────── */
.page-hero {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
}

.page-hero__icon {
  width: 8rem;
  height: 8rem;
  object-fit: contain;
  border: 3px solid var(--klo-black);
  border-radius: 1.5rem;
  background: var(--klo-peach);
  padding: 0.5rem;
  box-shadow: 6px 6px 0 var(--klo-black);
}

.page-section {
  max-width: 56rem;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  text-align: center;
}

.page-section h2 {
  margin-bottom: 1.25rem;
}

.download-grid,
.doc-grid,
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.download-card,
.doc-card,
.video-card {
  background: var(--color-surface);
  border: 3px solid var(--klo-black);
  border-radius: 1.25rem;
  box-shadow: 6px 6px 0 var(--klo-black);
  padding: 1.5rem 1.25rem;
}

.video-card__frame {
  border: 3px dashed var(--klo-black);
  border-radius: 1rem;
  aspect-ratio: 16 / 9;
  background: var(--color-bg);
  margin-bottom: 0.75rem;
}

.empty {
  display: inline-block;
  margin: 0.5rem 0 0;
  padding: 0.25rem 0.75rem;
  border: 3px dashed var(--klo-black);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--klo-black);
  background: var(--klo-sunshine);
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.button {
  display: inline-block;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 3px solid var(--color-text);
  box-shadow: 4px 4px 0 var(--color-text);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--color-text);
}

.button:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--color-text);
}

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

.button--primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.button--secondary {
  background: var(--color-secondary);
  color: var(--color-secondary-contrast);
}

/* ── Footer & theme picker ───────────────────────────────────────────────── */
.footer {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.6rem 1.5rem;
  background: var(--color-text);
  color: var(--color-bg);
}

.theme-picker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border: 3px solid var(--klo-black);
  border-radius: 999px;
  background: var(--color-bg);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.theme-picker select {
  border: none;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  cursor: pointer;
}

.theme-picker select:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.footer__line {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-bg);
  opacity: 0.85;
}

/* ── Responsive & motion ─────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .values,
  .project-grid,
  .download-grid,
  .doc-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__burst::before {
    animation: none;
  }
}