:root {
  --bg: #0A0E14; --card: #131A24; --primary: #3DA8FF; --accent: #7CF5C4;
  --text: #E9F1FA; --muted: #8FA3B8; --radius: 14px; --shadow: 0 16px 34px rgba(61,168,255,.16);
  --font-h: 'Sora', serif; --font-b: 'Work Sans', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-b); color: var(--text); background: var(--bg); line-height: 1.6; }
h1, h2, h3 { font-family: var(--font-h); line-height: 1.15; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, 92%); margin-inline: auto; }
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .85rem 1.6rem; border-radius: var(--radius);
  font-weight: 600; cursor: pointer; border: none; }
.btn-primary { background: var(--primary); color: #0A0E14; }
.btn-accent { background: var(--accent); color: #111; }
.wa-fab { position: fixed; right: 20px; bottom: 20px; background: #25D366; color: #fff; width: 56px; height: 56px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(0,0,0,.25); z-index: 40; font-size: 1.5rem; }
.cookie-banner { position: fixed; left: 0; right: 0; bottom: 0; background: #3DA8FF; color: #0A0E14;
  padding: .9rem 1.2rem; display: flex; gap: 1rem; align-items: center; justify-content: space-between; flex-wrap: wrap; z-index: 50; font-size: .85rem; }
.cookie-banner button { background: #7CF5C4; color: #111; border: none; padding: .5rem 1rem; border-radius: 6px; font-weight: 700; cursor: pointer; }
footer { padding: 3rem 0 6rem; font-size: .9rem; color: var(--muted); }
footer .foot-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
footer nav a { display: block; margin-bottom: .4rem; color: var(--muted); }
.section-title { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: .6rem; }
.section-sub { color: var(--muted); max-width: 640px; }

header { border-bottom: 1px solid #1e2733; }
header .bar { display:flex; align-items:center; justify-content:space-between; padding: 1.1rem 0; }
.logo { font-family: var(--font-h); font-weight:700; color: var(--accent); }
nav.main a { margin-left: 1.3rem; font-weight:600; }
.hero { padding: 4.5rem 0; display:grid; grid-template-columns: 1.1fr .9fr; gap:2.5rem; align-items:center; }
.hero .tag { color: var(--primary); font-weight:700; text-transform:uppercase; font-size:.8rem; letter-spacing:.1em; }
.hero h1 { font-size: clamp(2rem,4vw,3.2rem); margin:.8rem 0 1.1rem; }
.hero-grid-art { display:grid; grid-template-columns:1fr 1fr; gap: .8rem; }
.hero-grid-art div { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 1; border: 1px solid #1e2733; }
section { padding: 3.5rem 0; border-top: 1px solid #1e2733; }
.cards { display:grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 1.2rem; }
.card { background: var(--card); border-radius: var(--radius); padding: 1.6rem; border: 1px solid #1e2733; }
.card h3 { color: var(--accent); margin-bottom:.5rem; }
.diff-list { list-style:none; display:grid; gap:.8rem; margin-top:1.2rem; }
.diff-list li { padding: 1rem 1.2rem; background: var(--card); border-radius: var(--radius); border: 1px solid #1e2733; }