:root {
  --violet-900: #2E1065;
  --violet-800: #4C1D95;
  --violet-600: #7C3AED;
  --violet-400: #A78BFA;
  --amber: #FBBF24;

  --bg: #FFFFFF;
  --bg-soft: #F7F5FF;
  --surface: #FFFFFF;
  --border: #E7E2F5;
  --text: #1B1330;
  --text-dim: #5C5474;
  --accent: var(--violet-600);
  --accent-ink: #FFFFFF;
  --shadow: 0 1px 2px rgba(27, 19, 48, .06), 0 8px 24px rgba(76, 29, 149, .07);

  --maxw: 68rem;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #120C24;
    --bg-soft: #1A1235;
    --surface: #1A1235;
    --border: #2E2450;
    --text: #F3F0FF;
    --text-dim: #A79FC4;
    --accent: var(--violet-400);
    --accent-ink: #1B1330;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
  }
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 1.25rem; }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 50;
  background: var(--accent);
  color: var(--accent-ink);
  padding: .5rem .9rem;
  border-radius: 8px;
}

/* ---------- language toggle ---------- */
[data-lang="el"] .en { display: none; }
[data-lang="en"] .el { display: none; }

.langswitch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface);
}
.langswitch button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .34rem .78rem;
  cursor: pointer;
}
.langswitch button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.langswitch button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 64px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  margin-inline-end: auto;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.site-nav { display: flex; gap: 1.1rem; font-size: .92rem; }
.site-nav a { color: var(--text-dim); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--accent); }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(1100px 460px at 12% -8%, rgba(124, 58, 237, .30), transparent 62%),
    radial-gradient(760px 420px at 88% 6%, rgba(251, 191, 36, .16), transparent 60%),
    linear-gradient(180deg, var(--violet-900), var(--violet-800));
  color: #fff;
  padding-block: clamp(3rem, 8vw, 5.5rem);
}
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 760px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-art { order: -1; justify-self: center; }
}
.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 .9rem;
  letter-spacing: -.02em;
}
.hero p.lede {
  font-size: clamp(1.03rem, 2.2vw, 1.2rem);
  color: rgba(255, 255, 255, .88);
  margin: 0 0 1.6rem;
  max-width: 42ch;
}
.eyebrow {
  display: inline-block;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: .7rem;
}
.hero-art img {
  width: min(240px, 60vw);
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .38);
}

.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .72rem 1.3rem;
  border-radius: 999px;
  font-weight: 650;
  font-size: .96rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--amber); color: #2B1B00; box-shadow: 0 6px 20px rgba(251, 191, 36, .3); }
.btn-ghost { border-color: rgba(255, 255, 255, .38); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); }

/* ---------- sections ---------- */
section { padding-block: clamp(2.75rem, 6vw, 4.5rem); }
section.alt { background: var(--bg-soft); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2rem); letter-spacing: -.01em; margin: 0 0 .5rem; }
h3 { font-size: 1.08rem; margin: 0 0 .35rem; }
.section-lede { color: var(--text-dim); max-width: 60ch; margin: 0 0 2rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow);
}
.card .ico { font-size: 1.7rem; line-height: 1; display: block; margin-bottom: .6rem; }
.card p { margin: 0; color: var(--text-dim); font-size: .95rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  text-align: center;
}
.stat { padding: 1.2rem .75rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.stat b { display: block; font-size: clamp(1.8rem, 4vw, 2.4rem); line-height: 1.1; color: var(--accent); letter-spacing: -.02em; }
.stat span { font-size: .86rem; color: var(--text-dim); }

.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: .34rem .8rem;
  font-size: .87rem;
  color: var(--text-dim);
}

/* ---------- legal / doc pages ---------- */
.doc { padding-block: clamp(2.25rem, 5vw, 3.5rem); }
.doc .wrap { max-width: 48rem; }
.doc h1 { font-size: clamp(1.8rem, 4.5vw, 2.5rem); margin: 0 0 .35rem; letter-spacing: -.02em; }
.doc .updated { color: var(--text-dim); font-size: .88rem; margin: 0 0 2.25rem; }
.doc h2 { font-size: 1.22rem; margin: 2.25rem 0 .5rem; padding-top: 1.25rem; border-top: 1px solid var(--border); }
.doc h2:first-of-type { border-top: 0; padding-top: 0; }
.doc p, .doc li { color: var(--text-dim); }
.doc strong { color: var(--text); }
.doc ul { padding-inline-start: 1.15rem; }
.doc li { margin-bottom: .4rem; }
.callout {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-inline-start: 3px solid var(--accent);
  border-radius: 10px;
  padding: 1rem 1.15rem;
  margin: 1.5rem 0;
}
.callout p { margin: 0; }

table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .93rem; }
.table-scroll { overflow-x: auto; }
th, td { text-align: start; padding: .6rem .7rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text); font-weight: 650; white-space: nowrap; }
td { color: var(--text-dim); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2.25rem;
  background: var(--bg-soft);
  font-size: .9rem;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem 1.6rem; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1.1rem; margin-inline-start: auto; }
.site-footer a { color: var(--text-dim); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.site-footer .copy { color: var(--text-dim); }