/* Theme variables */
:root {
  --bg: #050608;
  --bg-soft: #10131a;
  --bg-card: #151925;
  --accent: #c2c7d0;
  --accent-strong: #f4f5f7;
  --accent-soft: rgba(194, 199, 208, 0.14);
  --text-main: #f6f7fb;
  --text-muted: #a8b0c7;
  --border-soft: rgba(255, 255, 255, 0.08);
  --radius-lg: 18px;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);
}

body[data-theme="light"] {
  --bg: #f1f3f8;
  --bg-soft: #ffffff;
  --bg-card: #ffffff;
  --accent: #545b66;
  --accent-strong: #151922;
  --accent-soft: rgba(47, 52, 60, 0.10);
  --text-main: #162033;
  --text-muted: #4f5a73;
  --border-soft: rgba(0, 0, 0, 0.08);
  --shadow-soft: 0 10px 28px rgba(20, 35, 75, 0.18);
}

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

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.05), transparent 32%),
    radial-gradient(circle at top, #14161b 0, #050608 58%);
  color: var(--text-main);
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

body[data-theme="light"] {
  background: radial-gradient(circle at top, #ffffff 0, #f1f3f8 58%);
}

.site-header {
  border-bottom: 1px solid var(--border-soft);
  padding: 34px 18px 16px;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
}

.hero-logo {
  display: flex;
  justify-content: center;
}

.cat-mark {
  width: 190px;
  min-height: 190px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  box-shadow:
    inset 0 0 0 7px rgba(255,255,255,0.025),
    0 16px 38px rgba(0,0,0,0.55);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 24px 20px;
  background:
    radial-gradient(circle at 50% 35%, rgba(255,255,255,0.08), transparent 32%),
    linear-gradient(145deg, #181b21, #08090b);
  position: relative;
  overflow: hidden;
}

.cat-mark::after {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
}

body[data-theme="light"] .cat-mark {
  background: linear-gradient(145deg, #f9fafb, #dfe3e8);
  box-shadow: 0 10px 28px rgba(28, 34, 45, 0.18);
}

.cat-mark-kicker,
.cat-mark-main,
.cat-mark-sub {
  position: relative;
  z-index: 1;
}

.cat-mark-kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.35em;
  padding-left: 0.35em;
  color: var(--accent);
}

.cat-mark-main {
  font-size: 2.1rem;
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-strong);
  margin: 6px 0 8px;
}

.cat-mark-sub {
  max-width: 120px;
  font-size: 0.63rem;
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.hero-text {
  min-width: 0;
}

.hero-tagline {
  margin: 0 0 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-text h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-subtitle {
  margin: 0 0 18px;
  max-width: 760px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.hero-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav-chip {
  font-size: 0.78rem;
  text-decoration: none;
  color: var(--text-main);
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent-soft);
  background: rgba(5, 8, 16, 0.86);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.08s ease, color 0.18s ease;
}

body[data-theme="light"] .nav-chip {
  background: #f5f7fc;
  backdrop-filter: none;
}

.nav-chip:hover,
.nav-chip:focus-visible {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: translateY(-1px);
  outline: none;
}

.theme-toggle {
  border: 1px solid var(--border-soft);
  background: rgba(5, 8, 16, 0.9);
  cursor: pointer;
  border-radius: 999px;
  width: 48px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.35);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.08s ease;
}

body[data-theme="light"] .theme-toggle {
  background: #ffffff;
  box-shadow: 0 6px 14px rgba(23, 41, 82, 0.2);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  outline: 1px solid var(--accent);
}

.theme-icon {
  position: absolute;
  font-size: 1rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.theme-icon-dark {
  opacity: 1;
  transform: translateY(0);
}

body[data-theme="light"] .theme-icon-dark {
  opacity: 0;
  transform: translateY(-6px);
}

body[data-theme="light"] .theme-icon-light {
  opacity: 1;
  transform: translateY(0);
}

.content {
  max-width: 960px;
  margin: 26px auto 42px;
  padding: 0 18px 10px;
}

.policy-card {
  scroll-margin-top: 18px;
  background: linear-gradient(135deg, rgba(21, 25, 37, 0.98), rgba(7, 10, 18, 0.98));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  padding: 22px 22px 20px;
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.08s ease;
}

body[data-theme="light"] .policy-card {
  background: linear-gradient(135deg, #ffffff, #f4f6fb);
}

.policy-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255,255,255,0.045), transparent 55%);
  pointer-events: none;
}

.policy-card:hover {
  transform: translateY(-1px);
}

.policy-card h2,
.policy-card h3,
.policy-card h4,
.policy-card p,
.policy-card ul,
.policy-card hr {
  position: relative;
}

.policy-card h2 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--border-soft);
}

.policy-card h3 {
  margin: 20px 0 8px;
  font-size: 1rem;
}

.policy-card h4 {
  margin: 18px 0 6px;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.policy-card p {
  margin: 8px 0;
  color: var(--text-muted);
}

.policy-card ul {
  margin: 8px 0 10px;
  padding-left: 22px;
  color: var(--text-muted);
}

.policy-card li + li {
  margin-top: 5px;
}

.policy-card strong {
  color: var(--text-main);
}

.policy-card hr {
  border: 0;
  border-top: 1px solid var(--border-soft);
  margin: 24px 0 18px;
}

.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 14px 18px 20px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: radial-gradient(circle at bottom, #0c0e12 0, #050608 60%);
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

body[data-theme="light"] .site-footer {
  background: radial-gradient(circle at bottom, #dde3e4 0, #f2f4f6 60%);
}

@media (max-width: 820px) {
  .hero-inner {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .hero-logo {
    justify-self: center;
    width: 100%;
  }

  .theme-toggle {
    position: absolute;
    top: 18px;
    right: 18px;
  }

  .site-header {
    position: relative;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding-top: 26px;
  }

  .cat-mark {
    width: 160px;
    min-height: 160px;
  }

  .cat-mark-main {
    font-size: 1.7rem;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .policy-card {
    padding: 17px 16px 15px;
  }
}