@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --canvas: #000000;
  --surface-1: #15181e;
  --surface-2: #1f232b;
  --surface-3: #3b3d45;
  --hairline: rgba(178,182,189,0.15);
  --hairline-solid: #3b3d45;
  --ink: #ffffff;
  --ink-muted: #b2b6bd;
  --ink-subtle: #656a76;
  --accent-blue: #2b89ff;
  --inverse-canvas: #ffffff;
  --inverse-ink: #000000;
  --semantic-success: #00ca8e;
  --semantic-error: #e62b1e;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--accent-blue); outline-offset: 2px; }
button:focus-visible { outline: 2px solid var(--accent-blue); outline-offset: 2px; }

.pr-container {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}

.pr-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
}

.pr-header__inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.pr-header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  flex-shrink: 0;
}

.pr-header__logo:hover { text-decoration: none; }

.pr-header__brand {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--ink);
}

.pr-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.pr-nav__link {
  display: inline-block;
  padding: 0 14px;
  height: 64px;
  line-height: 64px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.15s;
  white-space: nowrap;
}

.pr-nav__link:hover { color: var(--ink); text-decoration: none; }
.pr-nav__link--active { color: var(--ink); }

.pr-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  justify-content: center;
  align-items: center;
}

.pr-burger__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s, opacity 0.2s;
}

.pr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.29;
  padding: 10px 18px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.pr-btn--primary {
  background: var(--inverse-canvas);
  color: var(--inverse-ink);
}

.pr-btn--primary:hover {
  background: #e0e0e0;
  text-decoration: none;
  color: var(--inverse-ink);
}

.pr-btn--secondary {
  background: var(--surface-2);
  color: var(--ink);
}

.pr-btn--secondary:hover {
  background: var(--surface-3);
  text-decoration: none;
  color: var(--ink);
}

.pr-btn--ghost {
  background: transparent;
  color: var(--ink-muted);
  border: 1px solid var(--hairline-solid);
}

.pr-btn--ghost:hover {
  color: var(--ink);
  background: var(--surface-1);
  text-decoration: none;
}

.pr-hero {
  background: var(--canvas);
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--hairline);
}

.pr-hero__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  color: var(--accent-blue);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.pr-hero__title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.17;
  letter-spacing: -2px;
  color: var(--ink);
  max-width: 760px;
  margin-bottom: 24px;
}

.pr-hero__body {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.69;
  color: var(--ink-muted);
  max-width: 560px;
  margin-bottom: 36px;
}

.pr-hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.pr-section {
  padding: 96px 0;
}

.pr-section--surface {
  background: var(--surface-1);
}

.pr-section__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  color: var(--ink-muted);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.pr-section__title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  line-height: 1.19;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 20px;
}

.pr-section__lead {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.69;
  color: var(--ink-muted);
  max-width: 680px;
  margin-bottom: 48px;
}

.pr-grid {
  display: grid;
  gap: 24px;
}

.pr-grid--2 { grid-template-columns: repeat(2, 1fr); }
.pr-grid--3 { grid-template-columns: repeat(3, 1fr); }

.pr-card {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.15s;
}

.pr-card:hover { background: var(--surface-2); }

.pr-card__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  color: var(--ink-subtle);
  text-transform: uppercase;
}

.pr-card__title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.3px;
  color: var(--ink);
}

.pr-card__body {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.71;
  color: var(--ink-muted);
  flex: 1;
}

.pr-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-blue);
}

.pr-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 4px;
}

.pr-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.pr-gallery__item {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
}

.pr-gallery__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.pr-gallery__caption {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  color: var(--ink-subtle);
  line-height: 1.4;
}

.pr-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.pr-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  color: var(--ink-subtle);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.pr-breadcrumb a { color: var(--accent-blue); text-decoration: none; }
.pr-breadcrumb a:hover { text-decoration: underline; }
.pr-breadcrumb__sep { color: var(--ink-subtle); }

.pr-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  color: var(--ink-subtle);
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 20px;
}

.pr-article__summary {
  background: var(--surface-1);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-muted);
  margin-bottom: 32px;
}

.pr-article__toc {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 40px;
}

.pr-article__toc-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 14px;
}

.pr-article__toc ol {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pr-article__toc li { font-size: 14px; font-weight: 500; color: var(--ink-muted); }
.pr-article__toc a { color: var(--accent-blue); }

.pr-article__body h2 {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.21;
  letter-spacing: -0.6px;
  color: var(--ink);
  margin: 48px 0 16px;
}

.pr-article__body h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.2px;
  color: var(--ink);
  margin: 32px 0 12px;
}

.pr-article__body p {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.75;
  color: var(--ink-muted);
  margin-bottom: 20px;
}

.pr-article__body ul, .pr-article__body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.pr-article__body li {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.75;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.pr-article__figure {
  margin: 32px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.pr-article__figure img { width: 100%; }

.pr-article__figcaption {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  color: var(--ink-subtle);
  background: var(--surface-1);
}

.pr-article__box {
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  margin: 32px 0;
  background: var(--surface-1);
}

.pr-article__box-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

.pr-article__box p {
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-muted);
}

.pr-related {
  border-top: 1px solid var(--hairline);
  padding-top: 48px;
  margin-top: 48px;
}

.pr-related__title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.4px;
  color: var(--ink);
  margin-bottom: 24px;
}

.pr-article-page {
  padding: 48px 0 96px;
}

.pr-article-page .pr-container { max-width: 800px; }

.pr-page {
  padding: 64px 0 96px;
}

.pr-page .pr-container { max-width: 800px; }

.pr-page h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.19;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 24px;
}

.pr-page h2 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.4px;
  color: var(--ink);
  margin: 40px 0 14px;
}

.pr-page h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--ink);
  margin: 24px 0 8px;
}

.pr-page p, .pr-page li {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.75;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.pr-page ul, .pr-page ol { padding-left: 24px; margin-bottom: 16px; }
.pr-page hr { border: none; border-top: 1px solid var(--hairline); margin: 40px 0; }

.pr-contact-form { max-width: 600px; }

.pr-form-group { margin-bottom: 20px; }

.pr-form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--ink);
  margin-bottom: 6px;
}

.pr-form-input, .pr-form-textarea {
  width: 100%;
  background: var(--surface-1);
  border: 1px solid var(--hairline-solid);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: 8px;
  transition: border-color 0.15s;
  outline: none;
}

.pr-form-input:focus, .pr-form-textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px var(--accent-blue);
}

.pr-form-input.error, .pr-form-textarea.error {
  border-color: var(--semantic-error);
}

.pr-form-textarea { resize: vertical; min-height: 140px; }

.pr-form-error {
  font-size: 12px;
  font-weight: 500;
  color: var(--semantic-error);
  margin-top: 4px;
  display: none;
}

.pr-form-error.visible { display: block; }

.pr-form-success {
  background: var(--surface-1);
  border-left: 3px solid var(--semantic-success);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  font-size: 16px;
  color: var(--ink);
  display: none;
  margin-top: 16px;
}

.pr-form-success.visible { display: block; }

.pr-cookie {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--surface-1);
  border-top: 1px solid var(--hairline-solid);
  padding: 20px 32px;
}

.pr-cookie__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.pr-cookie__text {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  flex: 1;
  min-width: 200px;
}

.pr-cookie__text a { color: var(--accent-blue); }

.pr-cookie__actions { display: flex; gap: 8px; flex-wrap: wrap; }

.pr-page-header {
  background: var(--surface-1);
  border-bottom: 1px solid var(--hairline);
  padding: 64px 0 48px;
}

.pr-page-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.19;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 16px;
}

.pr-page-header p {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.69;
  color: var(--ink-muted);
  max-width: 560px;
  margin-bottom: 0;
}

.pr-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  color: var(--ink-muted);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.71;
  padding-top: 64px;
}

.pr-footer__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.pr-footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 12px;
}

.pr-footer__logo:hover { text-decoration: none; color: var(--ink); }

.pr-footer__tagline {
  font-size: 13px;
  color: var(--ink-subtle);
  max-width: 280px;
  line-height: 1.5;
}

.pr-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pr-footer__col { display: flex; flex-direction: column; gap: 8px; }

.pr-footer__col-heading {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 4px;
}

.pr-footer__col a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 14px;
}

.pr-footer__col a:hover { color: var(--ink); text-decoration: underline; }

.pr-footer__bottom {
  border-top: 1px solid var(--hairline);
  padding: 16px 0;
}

.pr-footer__bottom p {
  font-size: 13px;
  color: var(--ink-subtle);
  letter-spacing: 0.2px;
}

.pr-footer__bottom a { color: var(--ink-subtle); text-decoration: underline; }
.pr-footer__bottom a:hover { color: var(--ink-muted); }

.pr-cta-banner {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 24px;
  padding: 48px;
  margin: 64px 0;
  text-align: center;
}

.pr-cta-banner h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.6px;
  color: var(--ink);
  margin-bottom: 12px;
}

.pr-cta-banner p {
  font-size: 16px;
  color: var(--ink-muted);
  margin-bottom: 24px;
}

@media (max-width: 1024px) {
  .pr-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .pr-gallery { grid-template-columns: repeat(2, 1fr); }
  .pr-two-col { grid-template-columns: 1fr; gap: 32px; }
  .pr-footer__inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .pr-burger { display: flex; }
  .pr-nav {
    display: none;
    position: fixed;
    inset: 0;
    top: 64px;
    background: var(--surface-1);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 0;
    gap: 0;
    border-top: 1px solid var(--hairline);
    overflow-y: auto;
    z-index: 99;
  }
  .pr-nav--open { display: flex; }
  .pr-nav__link {
    width: 100%;
    height: auto;
    line-height: 1;
    padding: 16px 24px;
    border-bottom: 1px solid var(--hairline);
    font-size: 16px;
  }
  .pr-grid--2, .pr-grid--3 { grid-template-columns: 1fr; }
  .pr-gallery { grid-template-columns: 1fr; }
  .pr-footer__cols { grid-template-columns: 1fr; gap: 24px; }
  .pr-cookie__inner { flex-direction: column; align-items: flex-start; }
  .pr-hero { padding: 64px 0 48px; }
  .pr-section { padding: 64px 0; }
  .pr-container { padding-left: 20px; padding-right: 20px; }
}