/* NeOn — Games for Kids · marketing site
   Design language pulled straight from the app's tokens:
   lavender canvas, purple primary, neon-orange "discharge glow" accent.
   Layered here with a quiet sci-fi / periodic-table feel. */

:root {
  /* Canvas & surfaces */
  --bg: #F4F1FC;
  --bg-deep: #ECE7FA;
  --card: #FFFFFF;
  --parent-bg: #F0EDFA;

  /* Ink */
  --text: #2A2152;
  --text-muted: #6F6699;
  --on-color: #FFFFFF;

  /* Brand */
  --primary: #6C4DF6;
  --primary-dark: #5739D9;

  /* Neon discharge glow */
  --neon: #FF7A1A;
  --neon-light: #FFB14E;
  --neon-dark: #F25C05;

  /* Per-game accents */
  --blue: #3B82F6;
  --teal: #14B8A6;
  --purple: #8B5CF6;
  --pink: #EC4899;
  --amber: #F59E0B;
  --green: #22C55E;
  --coral: #FB7185;
  --success: #22C55E;

  --border: #E3DEF5;
  --border-strong: #CFC7EC;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --font: 'Nunito', 'Segoe UI', system-ui, sans-serif;
  --display: 'Baloo 2', 'Nunito', 'Segoe UI', system-ui, sans-serif;

  --shadow-card: 0 6px 18px rgba(44, 33, 82, 0.10);
  --shadow-elevated: 0 12px 30px rgba(44, 33, 82, 0.16);

  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- The deep-space backdrop: a faint periodic grid + soft glows ---- */
.starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(108, 77, 246, 0.16), transparent 60%),
    radial-gradient(900px 500px at 10% 0%, rgba(255, 122, 26, 0.10), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
}
/* a faint periodic-table lattice: a cell grid of rounded "element" tiles */
.starfield::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108, 77, 246, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 77, 246, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 28px 28px, rgba(255, 122, 26, 0.05) 2px, transparent 2.5px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(ellipse 95% 75% at 50% 18%, #000 28%, transparent 82%);
  mask-image: radial-gradient(ellipse 95% 75% at 50% 18%, #000 28%, transparent 82%);
}

/* ---- Layout helpers ---- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--display); font-weight: 700; font-size: 13px;
  letter-spacing: 2px; text-transform: uppercase; color: var(--primary);
  background: rgba(108, 77, 246, 0.08);
  border: 1px solid rgba(108, 77, 246, 0.18);
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 20px;
}
h1, h2, h3 { font-family: var(--display); line-height: 1.1; margin: 0; }
h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; }
.lead { font-size: clamp(16px, 2vw, 19px); color: var(--text-muted); max-width: 60ch; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---- Header / nav ---- */
header.site {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(244, 241, 252, 0.78);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand .tile { width: 40px; height: 40px; }
.brand .name { font-family: var(--display); font-weight: 800; font-size: 22px; color: var(--primary); letter-spacing: 0.5px; }
.brand .sub { display:block; font-size: 9px; letter-spacing: 1.6px; text-transform: uppercase; color: var(--text-muted); font-weight: 700; margin-top: -2px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-weight: 700; font-size: 15px; transition: color .15s; }
.nav-links a:hover { color: var(--primary); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--display); font-weight: 700; font-size: 16px;
  padding: 13px 24px; border-radius: 999px; text-decoration: none;
  border: none; cursor: pointer; transition: transform .15s, box-shadow .15s;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(140deg, #8a6ff9 0%, var(--primary) 55%, var(--primary-dark) 100%);
  box-shadow: 0 10px 24px rgba(108, 77, 246, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(108, 77, 246, 0.45); }
.btn-ghost { color: var(--primary); background: #fff; border: 1.5px solid var(--border-strong); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--primary); }

/* ---- Hero ---- */
.hero { padding-top: 64px; padding-bottom: 64px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 6vw, 62px); font-weight: 800; letter-spacing: -0.5px; }
.hero h1 .glow {
  background: linear-gradient(120deg, var(--neon-light), var(--neon), var(--neon-dark));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { margin-top: 18px; font-size: clamp(17px, 2vw, 20px); }
.hero-cta { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 22px; margin-top: 34px; flex-wrap: wrap; }
.hero-badge { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 14px; color: var(--text-muted); }
.hero-badge svg { flex-shrink: 0; }

/* phone-frame mockup on the right */
.device {
  margin: 0 auto; width: 280px; max-width: 100%;
  background: #1b1340; border-radius: 38px; padding: 14px;
  box-shadow: var(--shadow-elevated), 0 0 80px rgba(108,77,246,0.25);
  position: relative;
}
.device::before {
  content:""; position:absolute; top: 18px; left:50%; transform:translateX(-50%);
  width: 90px; height: 6px; border-radius: 999px; background: rgba(255,255,255,0.2);
}
.device-screen { background: var(--bg); border-radius: 26px; overflow: hidden; aspect-ratio: 9 / 17.5; padding-top: 14px; }

/* ---- Cards / grids ---- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-card); transition: transform .18s, box-shadow .18s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-elevated); }
.card .ico {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  color: #fff; margin-bottom: 14px;
}
.card h3 { font-size: 19px; font-weight: 800; margin-bottom: 6px; }
.card p { margin: 0; color: var(--text-muted); font-size: 15px; }

/* ---- Games grid ---- */
.games-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 48px; }
.game-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-card); transition: transform .18s, box-shadow .18s;
  display: flex; flex-direction: column;
}
.game-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-elevated); }
.game-shot { aspect-ratio: 4 / 3; width: 100%; display: block; }
.game-shot svg { width: 100%; height: 100%; display: block; }
.game-body { padding: 16px 18px 20px; }
.game-body .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.game-body h3 { font-size: 18px; font-weight: 800; }
.age {
  font-family: var(--display); font-weight: 700; font-size: 12px; color: var(--primary);
  background: rgba(108,77,246,0.10); padding: 3px 10px; border-radius: 999px; white-space: nowrap;
}
.game-body p { margin: 8px 0 0; font-size: 14px; color: var(--text-muted); line-height: 1.5; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; letter-spacing: .3px; color: var(--text-muted);
  background: var(--parent-bg); border: 1px solid var(--border); padding: 3px 9px 3px 8px; border-radius: 999px; text-transform: capitalize; }
.tag::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); opacity: 0.55; flex-shrink: 0; }

/* ---- Hero: the Neon atom ---- */
.atom {
  position: relative; width: 360px; height: 360px; max-width: 100%;
  margin: 0 auto;
  filter: drop-shadow(0 18px 40px rgba(242, 92, 5, 0.18));
}
.shell {
  position: absolute; top: 50%; left: 50%;
  border-radius: 50%; border: 1.5px dashed rgba(108, 77, 246, 0.30);
  transform: translate(-50%, -50%);
}
.shell-2 { width: 188px; height: 188px; animation: orbit 16s linear infinite; }
.shell-8 { width: 340px; height: 340px; animation: orbit 30s linear infinite reverse; }
.e {
  position: absolute; top: 50%; left: 50%;
  width: 16px; height: 16px; margin: -8px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFD9A8, var(--neon) 60%, var(--neon-dark));
  box-shadow: 0 0 10px rgba(255, 122, 26, 0.65);
}
.shell-2 .e { transform: rotate(var(--a)) translateX(94px); }
.shell-8 .e { transform: rotate(var(--a)) translateX(170px); }
.shell-8 .e { background: radial-gradient(circle at 35% 30%, #C9BCFB, var(--primary) 60%, var(--primary-dark)); box-shadow: 0 0 10px rgba(108, 77, 246, 0.55); }
.nucleus {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 104px; height: 104px; border-radius: 26px;
  background: linear-gradient(140deg, var(--neon-light), var(--neon) 55%, var(--neon-dark));
  display: grid; place-items: center; color: #fff;
  box-shadow: 0 12px 30px rgba(242, 92, 5, 0.40), 0 0 56px rgba(255, 122, 26, 0.45);
}
.nucleus .sym { font-family: var(--display); font-weight: 800; font-size: 42px; line-height: 1; }
.nucleus .num { position: absolute; top: 9px; left: 13px; font-family: var(--display); font-weight: 700; font-size: 14px; opacity: 0.92; }
.nucleus .nm { position: absolute; bottom: 11px; font-family: var(--font); font-weight: 700; font-size: 9px; letter-spacing: 2.5px; opacity: 0.9; }

/* interactive electrons: hover/focus pauses the orbit and shows a science nugget */
.e { cursor: help; transition: box-shadow .15s; }
.e::before { content: ""; position: absolute; inset: -10px; border-radius: 50%; }
.e:focus-visible { outline: none; }
.e.e-active { box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.7), 0 0 16px rgba(255, 122, 26, 0.85); }
.shell-8 .e.e-active { box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.7), 0 0 16px rgba(108, 77, 246, 0.85); }

.atom-tip {
  position: absolute; left: 0; top: 0; z-index: 6;
  width: max-content; max-width: 220px;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 14px;
  padding: 10px 13px; box-shadow: var(--shadow-elevated);
  font-size: 12.5px; line-height: 1.45; font-weight: 600;
  pointer-events: none; transform: translate(-50%, calc(-100% - 16px));
}
.atom-tip[hidden] { display: none; }
.atom-tip strong { display: block; font-family: var(--display); font-size: 11.5px; letter-spacing: .4px; text-transform: uppercase; color: var(--primary); margin-bottom: 4px; }
.atom-tip::after {
  content: ""; position: absolute; left: var(--arrow-x, 50%); bottom: -7px; transform: translateX(-50%);
  border: 7px solid transparent; border-top-color: var(--card);
  filter: drop-shadow(0 1.5px 0 var(--border-strong));
}
.atom-tip.below { transform: translate(-50%, 16px); }
.atom-tip.below::after { bottom: auto; top: -7px; border-top-color: transparent; border-bottom-color: var(--card); filter: drop-shadow(0 -1.5px 0 var(--border-strong)); }

/* clickable nucleus: "noble gas discharge" burst-and-reform */
.nucleus { cursor: pointer; }
.nucleus:focus-visible { outline: 3px solid rgba(255, 122, 26, 0.6); outline-offset: 4px; }
.gas-particle {
  position: absolute; top: 50%; left: 50%; z-index: 4;
  width: 12px; height: 12px; margin: -6px; border-radius: 50%;
  pointer-events: none; will-change: transform, opacity;
}
.discharge {
  position: absolute; top: 50%; left: 50%; z-index: 3;
  width: 120px; height: 120px; margin: -60px; border-radius: 50%;
  pointer-events: none; will-change: transform, opacity;
  background: radial-gradient(circle, rgba(255,177,78,0.9) 0%, rgba(255,122,26,0.55) 40%, rgba(255,122,26,0) 70%);
}

/* ---- Element-tile badge (game cards) ---- */
.game-card { position: relative; }
.el-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  width: 44px; height: 44px; border-radius: 13px;
  display: grid; place-items: center; color: #fff;
  font-family: var(--display); font-weight: 800;
  box-shadow: 0 4px 12px rgba(44, 33, 82, 0.22), inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}
.el-badge .num { position: absolute; top: 3px; left: 7px; font-size: 9px; font-weight: 700; opacity: 0.9; }
.el-badge .sym { font-size: 19px; line-height: 1; }

/* ---- "The science of play" ---- */
.science-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }
.sci-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px 22px; box-shadow: var(--shadow-card); text-align: center;
  transition: transform .18s, box-shadow .18s;
}
.sci-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-elevated); }
.sci-ico {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 17px;
  display: grid; place-items: center; color: #fff;
}
.sci-card h3 { font-size: 17px; font-weight: 800; }
.sci-card .concept {
  font-family: var(--display); font-weight: 700; font-size: 11.5px; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--primary); margin-top: 6px;
}
.sci-card p { color: var(--text-muted); font-size: 14px; margin: 8px 0 0; line-height: 1.5; }

/* ---- Theme cohesion: every icon sits in a dashed "element cell" ---- */
.card .ico, .promise .ico, .sci-ico { position: relative; }
.card .ico::before, .promise .ico::before, .sci-ico::before {
  content: ""; position: absolute; inset: -7px; border: 1.5px dashed rgba(108, 77, 246, 0.26);
  border-radius: 18px; pointer-events: none;
}

/* decorative orbit watermark (CTA band + mission panel) */
.orbit-mark { position: absolute; pointer-events: none; opacity: 0.5; }
.orbit-mark.tr { top: -56px; right: -56px; }
.orbit-mark.bl { left: -64px; bottom: -72px; }

/* ---- Mission / split ---- */
.mission { position: relative; overflow: hidden;
  background: linear-gradient(160deg, rgba(108,77,246,0.06), rgba(255,122,26,0.05)); border-radius: var(--radius-xl);
  border: 1px solid var(--border); padding: 56px; }
.mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.roadmap { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 14px; }
.roadmap li { display: flex; gap: 14px; align-items: flex-start; }
.roadmap .dot { width: 28px; height: 28px; border-radius: 9px; flex-shrink: 0; display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 13px; box-shadow: 0 3px 8px rgba(44, 33, 82, 0.18); }
.roadmap strong { font-family: var(--display); }
.roadmap span { color: var(--text-muted); font-size: 14px; }

/* ---- Safety section ---- */
.safety-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.promise {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-card);
}
.promise .ico { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; color: #fff; margin-bottom: 14px;
  background: linear-gradient(140deg, #8a6ff9, var(--primary)); }
.promise h3 { font-size: 19px; font-weight: 800; margin-bottom: 6px; }
.promise p { margin: 0; color: var(--text-muted); font-size: 15px; }

/* ---- FAQ ---- */
.faq { max-width: 760px; margin: 48px auto 0; display: grid; gap: 14px; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card); overflow: hidden; transition: box-shadow .18s;
}
.faq-item[open] { box-shadow: var(--shadow-elevated); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 22px;
  font-family: var(--display); font-weight: 700; font-size: 17px; color: var(--text);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; flex-shrink: 0; width: 11px; height: 11px;
  border-right: 2.4px solid var(--primary); border-bottom: 2.4px solid var(--primary);
  transform: rotate(45deg); transition: transform .2s; margin-top: -3px;
}
.faq-item[open] summary::after { transform: rotate(225deg); margin-top: 2px; }
.faq-item summary:hover { color: var(--primary); }
.faq-a { padding: 0 22px 20px; }
.faq-a p { margin: 0; color: var(--text-muted); font-size: 15px; line-height: 1.6; }
.faq-a a { color: var(--primary); font-weight: 700; text-decoration: none; }

/* ---- Waitlist ---- */
.waitlist { position: relative; overflow: hidden; text-align: center;
  background: linear-gradient(160deg, rgba(108,77,246,0.07), rgba(255,122,26,0.06));
  border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 56px; }
.waitlist .lead { margin: 14px auto 0; }
.wl-form { max-width: 520px; margin: 28px auto 0; display: grid; gap: 14px; text-align: left; }
.wl-field { display: grid; gap: 6px; }
.wl-field label { font-family: var(--display); font-weight: 700; font-size: 13px; color: var(--text); }
.wl-field label .opt { color: var(--text-muted); font-weight: 600; font-size: 12px; letter-spacing: .3px; }
.wl-input, .wl-textarea {
  width: 100%; font-family: var(--font); font-size: 16px; color: var(--text);
  padding: 13px 16px; background: #fff; border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md); transition: border-color .15s, box-shadow .15s; }
.wl-input::placeholder, .wl-textarea::placeholder { color: var(--text-muted); opacity: .75; }
.wl-input:focus, .wl-textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108,77,246,0.16); }
.wl-textarea { resize: vertical; min-height: 88px; line-height: 1.5; }
.wl-form .btn-primary { width: 100%; justify-content: center; margin-top: 4px; }
.wl-form .btn-primary[disabled] { opacity: .7; cursor: default; transform: none; }
.wl-note { margin: 6px 0 0; font-size: 12.5px; color: var(--text-muted); text-align: center; }
.wl-note a { color: var(--primary); text-decoration: none; font-weight: 700; }
.wl-error { color: #E5484D; font-size: 13px; font-weight: 700; margin: 2px 0 0; text-align: center; }
.wl-success { max-width: 520px; margin: 28px auto 0; outline: none;
  background: #fff; border: 1px solid rgba(34,197,94,0.4); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-card); }
.wl-success .ico { width: 52px; height: 52px; margin: 0 auto 12px; border-radius: 16px;
  display: grid; place-items: center; color: #fff; background: linear-gradient(140deg,#34d399,#22C55E); }
.wl-success h3 { font-size: 20px; font-weight: 800; }
.wl-success p { color: var(--text-muted); margin: 6px 0 0; font-size: 15px; }

/* ---- CTA band ---- */
.cta-band { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); border-radius: var(--radius-xl);
  padding: 56px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-band::after { content:""; position:absolute; inset:0; background: radial-gradient(600px 300px at 80% 120%, rgba(255,122,26,0.4), transparent 60%); }
.cta-band > * { position: relative; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); max-width: 50ch; margin: 14px auto 28px; }
.cta-band .btn-primary { background: #fff; color: var(--primary); box-shadow: 0 10px 24px rgba(0,0,0,0.2); }

/* ---- Footer ---- */
footer.site { border-top: 1px solid var(--border); padding: 48px 0 56px; }
.foot-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: flex-start; }
footer .brand .name { font-size: 20px; }
.foot-links { display: flex; gap: 40px; flex-wrap: wrap; }
.foot-col h4 { font-family: var(--display); font-size: 13px; letter-spacing: 1px; text-transform: uppercase; color: var(--text); margin: 0 0 12px; }
.foot-col a, .foot-col span { display: block; color: var(--text-muted); text-decoration: none; font-size: 14px; margin-bottom: 8px; }
.foot-col a:hover { color: var(--primary); }
.foot-bottom { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---- Privacy / article page ---- */
.article { max-width: 760px; margin: 0 auto; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 56px; box-shadow: var(--shadow-card); }
.article h1 { font-size: clamp(30px, 5vw, 42px); font-weight: 800; }
.article .meta { color: var(--text-muted); font-size: 14px; margin: 12px 0 8px; }
.article h2 { font-size: 24px; font-weight: 800; margin-top: 36px; }
.article p, .article li { color: var(--text); font-size: 16px; }
.article ul { padding-left: 22px; }
.article li { margin-bottom: 8px; }
.article a { color: var(--primary); font-weight: 700; }
.callout { background: linear-gradient(160deg, rgba(34,197,94,0.10), rgba(108,77,246,0.06)); border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-lg); padding: 22px 26px; margin: 24px 0; }
.callout strong { font-family: var(--display); }

/* ---- Animations ---- */
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.floaty { animation: float 6s ease-in-out infinite; }
@keyframes orbit { from { transform: translate(-50%, -50%) rotate(0); } to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes spin { to { transform: rotate(360deg); } }
.cta-band .orbit-mark { animation: spin 46s linear infinite; transform-origin: center; }
.cta-band .orbit-mark.bl { animation: spin 64s linear infinite reverse; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero .device { order: -1; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .games-grid { grid-template-columns: repeat(2, 1fr); }
  .science-grid { grid-template-columns: repeat(2, 1fr); }
  .safety-grid { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .mission, .cta-band, .article, .waitlist { padding: 36px; }
}
@media (max-width: 560px) {
  section { padding: 60px 0; }
  .nav-links { display: none; }
  .feature-grid, .games-grid, .science-grid { grid-template-columns: 1fr; }
  .atom { width: 300px; height: 300px; }
  .article { padding: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  .floaty { animation: none; }
  .shell { animation: none; }
  .orbit-mark { animation: none !important; }
  .reveal { transition: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}