:root {
  --c-bg: #F5F4F0;
  --c-fg: #0D0D0D;
  --c-muted: #5A5A5A;
  --c-accent: #0052FF;
  --c-surface: #ECEAE5;
  --c-dark: #0D0D0D;
  --c-dark-fg: #F0EFE9;
  --c-dark-muted: #999999;
  --c-dark-surface: #1A1A1A;
  --c-border: #DDDAD5;
  --c-border-dark: #2A2A2A;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 5rem;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  background: var(--c-bg);
  color: var(--c-fg);
  -webkit-font-smoothing: antialiased;
}

svg { display: block; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--c-dark);
  border-bottom: 1px solid var(--c-border-dark);
}

.header-inner {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-4);
  height: 64px;
  display: flex;
  align-items: center;
}

.header-logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-dark-fg);
  letter-spacing: -0.015em;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.page-hero {
  background: var(--c-dark);
  color: var(--c-dark-fg);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--c-border-dark);
}

.page-hero__label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}

.page-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--c-dark-fg);
  margin-bottom: var(--space-2);
}

.page-hero__sub {
  font-size: 1rem;
  color: var(--c-dark-muted);
  max-width: 520px;
  line-height: 1.6;
}

.page-main {
  padding-block: var(--space-6);
}

.about-block {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--c-border);
}

.about-block:last-child {
  border-bottom: none;
}

.about-block--dark {
  background: var(--c-dark);
  color: var(--c-dark-fg);
  padding-inline: var(--space-4);
}

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

.about-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}

.about-title {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--c-fg);
  margin-bottom: var(--space-3);
}

.about-block--dark .about-title {
  color: var(--c-dark-fg);
}

.about-body {
  font-size: 0.9375rem;
  color: var(--c-muted);
  line-height: 1.75;
}

.about-block--dark .about-body {
  color: var(--c-dark-muted);
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.about-value {
  padding: var(--space-3);
  border-left: 3px solid var(--c-accent);
  text-align: left;
  background: var(--c-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--c-fg);
}

.about-value__heading {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--c-fg);
  margin-bottom: var(--space-1);
}

.about-value__text {
  font-size: 0.85rem;
  color: var(--c-muted);
  line-height: 1.55;
}

.about-img-ph {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-img-ph--dark {
  background: var(--c-dark-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--c-border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ph-label {
  font-size: 0.72rem;
  color: var(--c-dark-muted);
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.policy-content {
  max-width: 780px;
  padding-block: var(--space-6);
  color: var(--c-fg);
}

.policy-placeholder {
  padding: var(--space-5);
  background: var(--c-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  text-align: center;
}

.policy-placeholder p {
  font-size: 1rem;
  color: var(--c-muted);
  line-height: 1.65;
}

.site-footer {
  background: var(--c-dark);
  color: var(--c-dark-fg);
  padding-block: var(--space-4);
  border-top: 1px solid var(--c-border-dark);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.footer__brand {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-dark-fg);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--c-dark-muted);
  text-decoration: none;
}

.footer__copy {
  font-size: 0.78rem;
  color: var(--c-dark-muted);
  text-align: right;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 640px) {
  :root {
    --space-6: 3.5rem;
    --space-5: 2.5rem;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .footer__copy {
    text-align: left;
  }
}