*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #080B1A; --bg-center: #0A1628; --bg-edge: #020408;
  --bg-glass: rgba(10,22,40,0.6); --bg-card: rgba(255,255,255,0.03);
  --teal: #00D4FF; --teal-dim: rgba(0,212,255,0.15); --teal-glow: rgba(0,212,255,0.25);
  --purple: #7B2FBE; --purple-dim: rgba(123,47,190,0.15);
  --coral: #FF5733; --coral-hover: #FF7A5C; --coral-glow: rgba(255,87,51,0.35);
  --mint: #00FFB3; --mint-dim: rgba(0,255,179,0.1);
  --white: #FFFFFF; --body: #B8C9D9; --muted: #6B7F94;
  --border: rgba(0,212,255,0.12); --border-hover: rgba(0,212,255,0.35);
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font); background: radial-gradient(ellipse at 50% 30%, var(--bg-center), var(--bg-edge) 70%);
  background-attachment: fixed; color: var(--white); line-height: 1.6;
  -webkit-font-smoothing: antialiased; min-height: 100vh; overflow-x: hidden;
}
a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--mint); }

/* Nav */
.app-nav {
  position: sticky; top: 0; z-index: 100; height: 60px;
  background: rgba(2,4,8,0.9); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); display: flex; align-items: center; padding: 0 24px;
}
.app-nav-inner { max-width: 1080px; margin: 0 auto; width: 100%; display: flex; align-items: center; justify-content: space-between; }
.nav-left { display: flex; align-items: center; gap: 10px; }
.nav-logo { font-size: 20px; font-weight: 800; color: var(--white); text-decoration: none; }
.nav-otto { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { font-size: 13px; font-weight: 600; color: var(--body); transition: color 0.2s; text-decoration: none; }
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links button {
  background: none; border: none; font-size: 13px; font-weight: 600; color: var(--muted);
  cursor: pointer; font-family: var(--font); transition: color 0.2s;
}
.nav-links button:hover { color: var(--coral); }

/* Containers */
.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }
.page { padding: 48px 0; }

/* Cards */
.card {
  position: relative; border-radius: 18px; padding: 2px;
  background: linear-gradient(135deg, var(--teal), var(--purple));
}
.card-inner {
  background: var(--bg-glass); backdrop-filter: blur(16px); border-radius: 16px; padding: 32px 28px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}
.card-flat {
  background: var(--bg-glass); backdrop-filter: blur(12px);
  border: 1px solid var(--border); border-radius: 16px; padding: 28px 24px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.card-flat:hover { border-color: var(--border-hover); box-shadow: 0 0 24px var(--teal-glow); }

/* Buttons */
.btn-coral {
  display: inline-block; font-size: 15px; font-weight: 700; padding: 14px 32px;
  background: var(--coral); color: #fff; border: none; border-radius: 10px;
  cursor: pointer; font-family: var(--font); transition: all 0.25s;
  box-shadow: 0 4px 20px var(--coral-glow); text-decoration: none; text-align: center;
}
.btn-coral:hover { background: var(--coral-hover); transform: translateY(-1px); box-shadow: 0 6px 30px rgba(255,87,51,0.5); color: #fff; }
.btn-coral:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; transform: none; }

.btn-outline {
  display: inline-block; font-size: 14px; font-weight: 600; padding: 12px 24px;
  background: transparent; color: var(--body); border: 1px solid var(--border); border-radius: 10px;
  cursor: pointer; font-family: var(--font); transition: all 0.2s; text-decoration: none;
}
.btn-outline:hover { border-color: var(--teal); color: var(--white); }

/* Form elements */
.input {
  width: 100%; padding: 16px 20px; font-size: 16px; font-family: var(--font);
  background: var(--bg-glass); border: 2px solid var(--border); border-radius: 12px;
  color: var(--white); outline: none; backdrop-filter: blur(12px); transition: border-color 0.3s, box-shadow 0.3s;
}
.input:focus { border-color: var(--teal); box-shadow: 0 0 20px rgba(0,212,255,0.15); }
.input::placeholder { color: var(--muted); }

/* Labels */
.label { font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--teal); margin-bottom: 8px; display: block; }

/* Typography */
h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -1px; line-height: 1.1; margin-bottom: 12px; }
h2 { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 8px; }
h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.text-muted { color: var(--muted); }
.text-body { color: var(--body); }
.text-teal { color: var(--teal); }
.text-coral { color: var(--coral); }
.text-mint { color: var(--mint); }

/* Status badges */
.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 6px; text-transform: uppercase; letter-spacing: 1px; }
.badge-building { background: var(--teal-dim); color: var(--teal); }
.badge-ready { background: var(--mint-dim); color: var(--mint); }
.badge-trial { background: rgba(255,87,51,0.12); color: var(--coral); }

/* Progress bar */
.progress { height: 6px; background: rgba(255,255,255,0.06); border-radius: 3px; overflow: hidden; margin-top: 8px; }
.progress-bar { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--teal), var(--mint)); transition: width 0.5s; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 768px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

/* Modal */
.modal-bg { display: none; position: fixed; inset: 0; z-index: 200; background: rgba(2,4,8,0.8); backdrop-filter: blur(6px); align-items: center; justify-content: center; }
.modal-bg.open { display: flex; }
.modal-box { background: rgba(10,22,40,0.95); border: 1px solid var(--border); border-radius: 20px; padding: 36px 32px; max-width: 500px; width: 90%; max-height: 80vh; overflow-y: auto; }
.modal-box h3 { margin-bottom: 16px; }
.modal-close { position: absolute; top: 14px; right: 14px; background: none; border: none; color: var(--muted); font-size: 22px; cursor: pointer; }

/* Utility */
.hidden { display: none !important; }
.center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-top: 16px; }
.gap-3 { gap: 12px; }

/* Animation */
.fade-in { animation: fadeIn 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* Otto arm animation */
.otto-svg .otto-arm { transform-origin: center top; }
.otto-svg .otto-arm:nth-child(1) { animation: armWave 4s ease-in-out 0s infinite; }
.otto-svg .otto-arm:nth-child(2) { animation: armWave 4s ease-in-out 0.3s infinite; }
.otto-svg .otto-arm:nth-child(3) { animation: armWave 4s ease-in-out 0.6s infinite; }
.otto-svg .otto-arm:nth-child(4) { animation: armWave 4s ease-in-out 0.9s infinite; }
.otto-svg .otto-arm:nth-child(5) { animation: armWave 4s ease-in-out 0.15s infinite; }
.otto-svg .otto-arm:nth-child(6) { animation: armWave 4s ease-in-out 0.45s infinite; }
.otto-svg .otto-arm:nth-child(7) { animation: armWave 4s ease-in-out 0.75s infinite; }
.otto-svg .otto-arm:nth-child(8) { animation: armWave 4s ease-in-out 1.05s infinite; }
@keyframes armWave { 0%,100%{transform:rotate(0)} 25%{transform:rotate(8deg)} 75%{transform:rotate(-8deg)} }
@keyframes ottoBob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }