:root {
  --color-bg: #0a0a0a;
  --color-surface: #161616;
  --color-surface-2: #1f1f1f;
  --color-text: #f5f5f5;
  --color-muted: #a3a3a3;
  --color-accent: #ff5b1f;
  --color-accent-hover: #e54a14;
  --color-accent-2: #ffd60a;
  --color-success: #22c55e;
  --color-danger: #ef4444;
  --color-border: #2a2a2a;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 24px rgba(255,91,31,0.4);
  --transition: all 0.2s ease;
  --container-max: 1200px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  line-height: 1.1;
}

h1 { font-size: clamp(2.5rem, 5vw, 5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.8rem); }

button { font-family: inherit; cursor: pointer; }

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
}
.btn-ghost:hover { color: var(--color-accent); }

.text-muted { color: var(--color-muted) !important; }
.text-center { text-align: center; }

.form-control {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  width: 100%;
  font-family: inherit;
  font-size: 14px;
}
.form-control:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(255,91,31,0.15);
}
textarea.form-control { resize: vertical; min-height: 80px; }

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-success { background: rgba(34,197,94,0.1); border-color: var(--color-success); color: var(--color-success); }
.alert-danger  { background: rgba(239,68,68,0.1); border-color: var(--color-danger); color: var(--color-danger); }