/* Shared styles for neuromusic.pro sub-pages (policies, about, contact). */
:root {
  --color-background-body: #0b0d17;
  --color-background-primary: #141826;
  --color-background-secondary: #1b2030;
  --color-background-info: rgba(57, 130, 255, 0.14);
  --color-text-primary: #eef1f8;
  --color-text-secondary: #9aa3b8;
  --color-text-info: #5b8cff;
  --color-border-tertiary: #2a3145;
  --border-radius-md: 10px;
  --border-radius-lg: 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
html { background: var(--color-background-body); }
body {
  font-family: "Inter", system-ui, "Segoe UI", Roboto, sans-serif;
  color: var(--color-text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(91,140,255,0.18), transparent 60%),
    var(--color-background-body);
}

a { color: var(--color-text-info); }
h1 { font-size: clamp(1.6rem, 4.5vw, 2.1rem); line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
h3 { font-size: 1rem; margin: 20px 0 6px; }
p, li { color: var(--color-text-secondary); line-height: 1.75; font-size: 15px; }
.page { max-width: 760px; margin: 0 auto; padding: 40px 20px 64px; }
.page-lead { color: var(--color-text-secondary); font-size: 15px; margin: 0 0 8px; }
.updated { font-size: 13px; color: #6b7388; margin: 0 0 24px; }
.card {
  background: rgba(20, 24, 38, 0.72);
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 24px;
}
.placeholder {
  display: inline-block; padding: 1px 6px; border-radius: 6px;
  background: var(--color-background-info); color: var(--color-text-info);
  font-size: 13px;
}
.notice {
  border: 1px dashed var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  padding: 12px 14px; margin: 0 0 24px;
  color: var(--color-text-secondary); font-size: 14px;
}

/* header */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 20px;
  background: rgba(11,13,23,0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-tertiary);
}
.brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 16px; letter-spacing: .3px;
  color: var(--color-text-primary); text-decoration: none;
}
.brand .dot { color: var(--color-text-info); }
.nav-actions { display: inline-flex; align-items: center; gap: 8px; }
.btn-ghost, .btn-primary {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: inherit; font-size: 14px; font-weight: 500; cursor: pointer;
  padding: 8px 14px; border-radius: var(--border-radius-md);
  border: 1px solid transparent; text-decoration: none;
}
.btn-ghost { background: transparent; color: var(--color-text-primary); border-color: var(--color-border-tertiary); }
.btn-ghost:hover { background: var(--color-background-secondary); }
.btn-primary { background: var(--color-text-info); color: #fff; border: none; }
.btn-primary:hover { filter: brightness(1.07); }
button:disabled { opacity: .7; cursor: default; }

/* currency switcher (shared with the home page) */
.cur-switch {
  display: inline-flex; align-items: center; gap: 4px;
  border: 1px solid var(--color-border-tertiary);
  border-radius: 999px; padding: 2px;
}
.cur-switch button {
  font: inherit; font-size: 12px; font-weight: 600; cursor: pointer;
  border: none; background: transparent; color: var(--color-text-secondary);
  padding: 4px 9px; border-radius: 999px;
}
.cur-switch button.active { background: var(--color-text-info); color: #fff; }

/* forms */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--color-text-secondary); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; font-family: inherit; font-size: 14px;
  color: var(--color-text-primary); background: var(--color-background-secondary);
  border: 1px solid var(--color-border-tertiary); border-radius: var(--border-radius-md);
  padding: 10px 12px; outline: none; resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--color-text-info); }
.field input::placeholder, .field textarea::placeholder { color: #6b7388; }
.check { display: flex; align-items: flex-start; gap: 8px; margin: 4px 0 16px; }
.check input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--color-text-info); }
.check label { font-size: 13px; color: var(--color-text-secondary); line-height: 1.6; }
.form-error { color: #ff6b6b; font-size: 13px; min-height: 1.1em; margin: -4px 0 10px; }
.form-ok { color: #4ade80; font-size: 14px; margin: 8px 0 0; }

/* footer (shared markup with the home page) */
.site-footer {
  border-top: 1px solid var(--color-border-tertiary);
  background: rgba(11,13,23,0.72);
  padding: 32px 20px;
}
.footer-inner { max-width: 960px; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 24px; }
.footer-col { min-width: 180px; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--color-text-secondary); margin: 0 0 10px; font-weight: 600; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: var(--color-text-secondary); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--color-text-primary); }
.footer-legal { font-size: 13px; color: #6b7388; line-height: 1.8; margin: 0; max-width: 280px; }
.pay-marks { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.pay-marks span {
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff; border-radius: 6px; padding: 6px 8px; height: 30px;
}
.pay-marks img { height: 18px; width: auto; display: block; }
.footer-copy { text-align: center; color: #5b6378; font-size: 12px; margin: 24px 0 0; }