/* ---------- Theme ---------- */

:root {
  --pk-bg: #ffffff;
  --pk-bg-alt: #f6f7f9;
  --pk-header-bg: #f2f3f5;
  --pk-border: #d7d9dd;
  --pk-border-soft: #e2e4ea;
  --pk-text: #20223a;
  --pk-text-muted: #6a6e7a;
  --pk-heading: #111320;
  --pk-accent: #0059c8;
  --pk-accent-soft: #e1edff;
  --pk-link: #0059c8;
  --pk-link-hover: #003f8f;
  --pk-button-bg: #0059c8;
  --pk-button-bg-hover: #00479f;
  --pk-button-text: #ffffff;
}

/* ---------- Base ---------- */

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--pk-bg);
  color: var(--pk-text);
}

body {
  line-height: 1.6;
}

/* Main layout */

.pk-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* ---------- Header ---------- */

.pk-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem 1.5rem 1.25rem;
  border-bottom: 1px solid var(--pk-border);
  background: var(--pk-header-bg);
}

.pk-header-main h1 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  color: var(--pk-heading);
}

.pk-tagline {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pk-text-muted);
}

.pk-header-meta p {
  margin: 0.1rem 0;
  font-size: 0.9rem;
  color: var(--pk-text-muted);
}

/* ---------- Sections ---------- */

.pk-section {
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--pk-border-soft);
}

.pk-section:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.pk-section h2 {
  margin: 0 0 0.75rem;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pk-heading);
}

.pk-section h3 {
  margin-top: 1.1rem;
  margin-bottom: 0.4rem;
  font-size: 1.02rem;
  color: var(--pk-heading);
}

.pk-section p {
  margin: 0 0 0.8rem;
  color: var(--pk-text);
}

/* ---------- Links / Lists ---------- */

a {
  color: var(--pk-link);
  text-decoration: none;
}

a:hover {
  color: var(--pk-link-hover);
  text-decoration: underline;
}

.pk-link-list {
  list-style: none;
  padding-left: 0;
  margin: 0 0 0.8rem;
}

.pk-link-list li {
  margin-bottom: 0.2rem;
}

/* ---------- Two-column layout ---------- */

.pk-two-col {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: flex-start;
}

.pk-aside {
  padding: 1rem;
  background: var(--pk-bg-alt);
  border-radius: 8px;
  border: 1px solid var(--pk-border-soft);
  font-size: 0.9rem;
}

/* ---------- Features ---------- */

.pk-feature-list {
  padding-left: 1.2rem;
  margin: 0;
}

/* ---------- Media ---------- */

.pk-media-embed {
  margin-top: 0.8rem;
  max-width: 800px;
}

.pk-media-embed video {
  width: 100%;
  display: block;
  border-radius: 6px;
  border: 1px solid var(--pk-border-soft);
  background: #000;
}

/* ---------- Gallery ---------- */

.pk-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-top: 1rem;
}

.pk-gallery figure {
  margin: 0;
  background: var(--pk-bg-alt);
  border-radius: 8px;
  border: 1px solid var(--pk-border-soft);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pk-gallery img {
  width: 100%;
  display: block;
}

.pk-gallery figcaption {
  padding: 0.6rem 0.75rem 0.8rem;
  font-size: 0.85rem;
  color: var(--pk-text-muted);
}

.pk-gallery-branding img {
  background: #ffffff;
}

/* ---------- Buttons ---------- */

.pk-button {
  display: inline-block;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--pk-button-bg);
  background: var(--pk-button-bg);
  color: var(--pk-button-text);
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.1s ease, border-color 0.1s ease, transform 0.06s ease;
}

.pk-button:hover {
  text-decoration: none;
  background: var(--pk-button-bg-hover);
  border-color: var(--pk-button-bg-hover);
  transform: translateY(-1px);
}

.pk-button-secondary {
  background: transparent;
  color: var(--pk-accent);
  border-color: var(--pk-border);
}

/* Download-all block */

.pk-download-all {
  margin-top: 1.1rem;
}

/* ---------- Notes ---------- */

.pk-note {
  font-size: 0.9rem;
  color: var(--pk-text-muted);
}

/* ---------- Footer ---------- */

.pk-footer {
  padding: 1.1rem 1.5rem 1.6rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--pk-text-muted);
  border-top: 1px solid var(--pk-border-soft);
  background: var(--pk-bg-alt);
}

/* ---------- Responsive tweaks ---------- */

@media (max-width: 800px) {
  .pk-main {
    padding-inline: 1.1rem;
  }

  .pk-header {
    padding-inline: 1.1rem;
  }

  .pk-two-col {
    grid-template-columns: 1fr;
  }

  .pk-aside {
    order: -1;
  }
}