:root {
  color-scheme: light dark;
  --bg: #f5f3ff;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --text: #1e1b4b;
  --muted: #62677a;
  --primary: #6366f1;
  --primary-dark: #312e81;
  --primary-soft: #ede9fe;
  --border: rgba(49, 46, 129, 0.14);
  --shadow: 0 18px 55px rgba(49, 46, 129, 0.11);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111126;
    --surface: rgba(30, 29, 62, 0.92);
    --surface-strong: #1e1d3e;
    --text: #f2f0ff;
    --muted: #bbb9d0;
    --primary: #a5b4fc;
    --primary-dark: #c7d2fe;
    --primary-soft: #302d64;
    --border: rgba(226, 232, 255, 0.16);
    --shadow: 0 18px 55px rgba(0, 0, 0, 0.28);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 0%, rgba(129, 140, 248, 0.18), transparent 35rem),
    radial-gradient(circle at 95% 10%, rgba(192, 132, 252, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--primary); }

.shell,
.container {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 52px;
}

.topbar,
.top-bar {
  align-items: center;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding: 14px 24px;
  position: sticky;
  top: 0;
  z-index: 2;
}

.topbar { border: 0; padding: 0; position: static; background: transparent; }

.brand {
  align-items: center;
  color: var(--text);
  display: inline-flex;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
}

.brand img,
.site-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.24);
}

.site-mark {
  align-items: center;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #fff;
  display: inline-flex;
  font-size: 1.1rem;
  justify-content: center;
}

.site-mark::after { content: "H"; font-weight: 850; }

.language-picker,
.lang-toggle {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.language-picker button,
.lang-toggle button,
.lang-toggle span {
  appearance: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.84rem;
  padding: 6px 10px;
}

.language-picker button[aria-pressed="true"],
.lang-toggle .active {
  background: var(--primary-soft);
  border-color: transparent;
  color: var(--primary);
  font-weight: 750;
}

.card,
.privacy-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: clamp(24px, 5vw, 52px);
  backdrop-filter: blur(16px);
}

.eyebrow {
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 8px 0 12px;
  font-size: clamp(2.2rem, 7vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.privacy h1,
.privacy-content h1 { font-size: clamp(2rem, 6vw, 3.4rem); }

h2 { margin: 34px 0 8px; font-size: 1.22rem; line-height: 1.3; }
h3 { line-height: 1.3; }
p, li { color: var(--muted); }

.lead { max-width: 700px; font-size: 1.12rem; }
.meta { color: var(--muted); font-size: 0.92rem; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }

.button {
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  display: inline-flex;
  font-weight: 750;
  justify-content: center;
  min-height: 46px;
  padding: 10px 16px;
  text-decoration: none;
}

.button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }

.hero { display: grid; gap: 28px; grid-template-columns: 1.25fr 0.75fr; align-items: stretch; }
.hero-copy { padding: clamp(8px, 2vw, 20px) 0; }
.hero-panel { align-items: center; display: flex; justify-content: center; min-height: 270px; }
.hero-panel img { width: min(220px, 60%); border-radius: 28px; box-shadow: 0 22px 55px rgba(49, 46, 129, 0.22); }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); margin-top: 18px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.feature { background: color-mix(in srgb, var(--surface-strong) 72%, transparent); border: 1px solid var(--border); border-radius: 20px; padding: 20px; }
.feature h3 { margin: 0 0 6px; }
.feature p { margin: 0; font-size: 0.94rem; }
.section { margin-top: 30px; }
.section > h2 { margin-top: 0; }
.notice { background: var(--primary-soft); border-left: 4px solid var(--primary); border-radius: 8px; margin: 22px 0; padding: 14px 16px; }
.notice p { color: var(--text); margin: 0; }
ul { padding-left: 1.25rem; }
li + li { margin-top: 7px; }
footer { color: var(--muted); font-size: 0.88rem; padding: 24px 4px 0; text-align: center; }
[hidden] { display: none !important; }

@media (max-width: 720px) {
  .hero, .grid, .grid.two { grid-template-columns: 1fr; }
  .hero-panel { min-height: 210px; }
}

@media (max-width: 620px) {
  .shell, .container { width: min(100% - 20px, 1040px); padding-top: 14px; }
  .topbar, .top-bar { align-items: flex-start; flex-direction: column; }
  .top-bar { padding: 14px 16px; }
  .language-picker { justify-content: flex-start; }
  .card, .privacy-content { border-radius: 22px; }
}