/* НейроМастер — page layer on top of the Industry design system (industry.css).
   Dark AI theme: token overrides first, then page sections in document order. */

:root {
  --color-bg: #07080f;
  --color-surface: #12142c;
  --color-text: #edeffb;
  --color-divider: color-mix(in srgb, #ffffff 16%, transparent);
  --color-accent: #7c6cff;
  --color-accent-2: #34d6ff;
  --color-accent-ink: #b7acff;
  --color-accent-100: #f1efff; --color-accent-200: #ddd6ff; --color-accent-300: #c3b8ff;
  --color-accent-400: #a48cff; --color-accent-500: #7c6cff; --color-accent-600: #6450e0;
  --color-accent-700: #4c3cb0; --color-accent-800: #362b80; --color-accent-900: #201a50;
  --color-accent-2-100: #eafcff; --color-accent-2-200: #c9f4ff; --color-accent-2-300: #9fe9ff;
  --color-accent-2-400: #6fdcff; --color-accent-2-500: #34d6ff; --color-accent-2-600: #23aed9;
  --color-accent-2-700: #1c86ad; --color-accent-2-800: #185f80; --color-accent-2-900: #123f52;
  --shadow-sm: 0 0 0 1px color-mix(in srgb, var(--color-accent) 30%, transparent);
  --shadow-md: 0 8px 32px color-mix(in srgb, var(--color-accent) 28%, transparent);
  --shadow-lg: 0 24px 70px color-mix(in srgb, var(--color-accent) 32%, transparent);
  --nav-offset: 70px;
}
body {
  background: radial-gradient(1100px 700px at 12% -8%, color-mix(in srgb, var(--color-accent) 30%, transparent), transparent 60%),
    radial-gradient(900px 620px at 100% 18%, color-mix(in srgb, var(--color-accent-2) 22%, transparent), transparent 60%),
    var(--color-bg);
  background-attachment: fixed;
}
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; text-wrap: pretty; }
[id] { scroll-margin-top: var(--nav-offset); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 64px); }
.section { padding: 64px 0; }
.kicker { display: block; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 600; color: var(--color-accent-ink); margin: 0 0 12px; }
.caption-rule { height: 1px; border: 0; margin: 0 0 32px; background: var(--color-divider); }
.h2 { font-family: var(--font-heading); font-weight: 600; font-size: clamp(28px, 3.4vw, 40px);
  letter-spacing: 0.01em; text-transform: uppercase; margin: 0; }
.lede { font-size: 17px; line-height: 1.6; max-width: 60ch; margin: 16px 0 0;
  color: color-mix(in srgb, var(--color-text) 82%, transparent); }
.btn, .tag { white-space: nowrap; }
a.btn { color: var(--color-text); }
a.btn-primary { color: var(--color-bg); }

/* nav */
.top-nav { padding-inline: max(24px, calc((100% - 1180px) / 2 + 24px)); position: sticky; top: 0;
  z-index: 20; background: color-mix(in srgb, var(--color-bg) 92%, transparent); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-divider); }
.top-nav .nav-link { white-space: nowrap; }
@media (max-width: 560px) { .top-nav .nav-link { display: none; } }

/* hero */
.hero { padding: 56px 0 64px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(24px, 5vw, 72px);
  align-items: center; }
.hero-meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 0 0 16px; }
.display { font-family: var(--font-heading); font-weight: 600; font-size: clamp(36px, 5vw, 84px);
  line-height: 0.98; letter-spacing: 0.01em; text-transform: uppercase; margin: 0; overflow-wrap: break-word;
  background: linear-gradient(100deg, var(--color-text) 15%, var(--color-accent-ink) 55%, var(--color-accent-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: 18px; line-height: 1.55; max-width: 52ch; margin: 20px 0 0;
  color: color-mix(in srgb, var(--color-text) 85%, transparent); }
.from-to { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.from-to li { font-size: 15px; line-height: 1.5; padding-left: 20px; position: relative;
  color: color-mix(in srgb, var(--color-text) 82%, transparent); }
.from-to li::before { content: ""; position: absolute; left: 0; top: 8px; width: 8px; height: 1px; background: var(--color-accent); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-figure { position: relative; aspect-ratio: 1024/1183; overflow: visible;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-accent) 55%, transparent), var(--shadow-lg); }
.hero-figure picture, .hero-figure img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .hero-figure { max-width: 360px; margin: 0 auto; } }

/* audience cards */
.cells-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); margin-top: 28px; }
.cell-frame { position: relative; border: 1px solid var(--color-divider); padding: 28px; display: flex;
  flex-direction: column; gap: 14px; }
.cell-frame .corner { position: absolute; width: 13px; height: 13px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent); pointer-events: none; }
.cell-frame .corner::before { content: ""; position: absolute; left: 6px; top: 0; width: 1px; height: 100%; background: currentColor; }
.cell-frame .corner::after { content: ""; position: absolute; top: 6px; left: 0; width: 100%; height: 1px; background: currentColor; }
.cell-frame .corner.tl { top: -7px; left: -7px; } .cell-frame .corner.tr { top: -7px; right: -7px; }
.cell-frame .corner.bl { bottom: -7px; left: -7px; } .cell-frame .corner.br { bottom: -7px; right: -7px; }
.cell-frame h3 { font-family: var(--font-heading); font-weight: 600; font-size: 20px; text-transform: uppercase;
  letter-spacing: 0.01em; margin: 0; }
.cell-frame .pitch { font-size: 14px; color: color-mix(in srgb, var(--color-text) 80%, transparent); margin: 0; }
.cell-frame ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.cell-frame ul li { font-size: 14px; line-height: 1.5; padding-left: 16px; position: relative;
  color: color-mix(in srgb, var(--color-text) 82%, transparent); }
.cell-frame ul li::before { content: "—"; position: absolute; left: 0; color: var(--color-accent-ink); }
.cell-frame:hover { box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--color-accent) 55%, transparent); }
.cell-frame .result-tag { align-self: flex-start; white-space: normal; }
@media (max-width: 900px) { .cells-3 { grid-template-columns: 1fr; } }

/* accordion (program + faq) */
.accordion { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.acc-item { border: 1px solid var(--color-divider); }
.acc-item h3 { margin: 0; }
.acc-head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; background: none; border: 0; cursor: pointer; text-align: left; font: inherit; color: inherit; }
.acc-head:hover { background: color-mix(in srgb, var(--color-text) 5%, transparent); }
.acc-head:focus-visible { outline: 2px solid var(--color-accent); outline-offset: -2px; }
.acc-title { display: flex; align-items: baseline; gap: 14px; }
.acc-num { font-family: var(--font-heading); font-size: 13px; letter-spacing: 0.08em; color: var(--color-accent-ink); font-weight: 600; }
.acc-label { font-family: var(--font-heading); font-weight: 600; font-size: 18px; text-transform: uppercase;
  letter-spacing: 0.01em; line-height: 1.12; }
.acc-icon { flex: none; width: 18px; height: 18px; position: relative; }
.acc-icon::before, .acc-icon::after { content: ""; position: absolute; background: var(--color-text); }
.acc-icon::before { left: 0; top: 8px; width: 18px; height: 1.5px; }
.acc-icon::after { left: 8px; top: 0; width: 1.5px; height: 18px; transition: transform 0.2s; }
.acc-item[data-open="true"] .acc-icon::after { transform: scaleY(0); }
.acc-body { padding: 0 22px 22px; display: flex; flex-direction: column; gap: 14px; }
.acc-body[hidden] { display: none; }
.acc-body ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.acc-body ul li { font-size: 14.5px; line-height: 1.5; padding-left: 16px; position: relative;
  color: color-mix(in srgb, var(--color-text) 82%, transparent); }
.acc-body ul li::before { content: "—"; position: absolute; left: 0; color: var(--color-accent-ink); }
.acc-result { font-size: 14.5px; line-height: 1.5; padding-top: 12px; margin: 0; border-top: 1px solid var(--color-divider);
  color: color-mix(in srgb, var(--color-text) 88%, transparent); }
.acc-result b { color: var(--color-accent-ink); }
.acc-item[data-open="true"] { border-color: color-mix(in srgb, var(--color-accent) 55%, transparent); }
.faq-body p { font-size: 14.5px; line-height: 1.6; margin: 0; color: color-mix(in srgb, var(--color-text) 84%, transparent); }

/* testimonials (placeholder cards until real reviews arrive) */
.testi-row { display: flex; gap: 18px; margin-top: 28px; overflow-x: auto; padding-bottom: 6px; }
.testi-card { flex: 0 0 260px; border: 1px solid var(--color-divider); padding: 20px; display: flex;
  flex-direction: column; gap: 12px; }
.testi-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.testi-name { font-size: 13px; font-weight: 600; color: color-mix(in srgb, var(--color-text) 70%, transparent);
  text-transform: uppercase; letter-spacing: 0.03em; }
.testi-lines { display: flex; flex-direction: column; gap: 6px; }
.testi-lines span { display: block; height: 8px; background: var(--color-divider); }
.testi-lines span:nth-child(1) { width: 100%; } .testi-lines span:nth-child(2) { width: 88%; }
.testi-lines span:nth-child(3) { width: 64%; }

/* image placeholder — swap for an <img> once the photo exists */
.ph { display: grid; place-items: center; width: 100%; height: 100%; font-size: 11px; letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
  background: color-mix(in srgb, var(--color-text) 6%, transparent);
  border: 1px dashed color-mix(in srgb, var(--color-text) 25%, transparent); }
.ph.testi-avatar { border-radius: 50%; font-size: 10px; }

/* pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.5vw, 28px); margin-top: 28px; align-items: stretch; }
.price-card { position: relative; border: 1px solid var(--color-divider); padding: 28px; display: flex;
  flex-direction: column; gap: 16px; }
.price-card[data-popular="true"] { border-color: var(--color-accent); box-shadow: var(--shadow-md); }
.price-badges { display: flex; gap: 8px; flex-wrap: wrap; min-height: 22px; }
.price-card h3 { font-family: var(--font-heading); font-weight: 600; font-size: 22px; text-transform: uppercase; margin: 0; }
.price-card .pitch { font-size: 13.5px; margin: 0; color: color-mix(in srgb, var(--color-text) 80%, transparent); min-height: 40px; }
.price-meta { display: flex; flex-direction: column; gap: 4px; font-size: 13px; padding: 12px 0;
  border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider);
  color: color-mix(in srgb, var(--color-text) 75%, transparent); }
.price-features { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.price-features li { font-size: 13.5px; line-height: 1.45; padding-left: 16px; position: relative;
  color: color-mix(in srgb, var(--color-text) 84%, transparent); }
.price-features li::before { content: "—"; position: absolute; left: 0; color: var(--color-accent-ink); }
.price-tag { display: flex; align-items: baseline; gap: 10px; margin-top: 4px; }
.price-old { font-size: 15px; text-decoration: line-through; color: color-mix(in srgb, var(--color-text) 50%, transparent); }
.price-new { font-family: var(--font-heading); font-weight: 600; font-size: 30px; letter-spacing: 0.01em; }
.price-actions { display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 980px) { .pricing-grid { grid-template-columns: 1fr; } }

/* author */
.author-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.author-photo { aspect-ratio: 1/1; }
.author-photo img { width: 100%; height: 100%; object-fit: cover; }
.author-facts { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.author-facts li { font-size: 15px; line-height: 1.5; padding-left: 18px; position: relative;
  color: color-mix(in srgb, var(--color-text) 84%, transparent); }
.author-facts li::before { content: "—"; position: absolute; left: 0; color: var(--color-accent-ink); }
@media (max-width: 760px) { .author-grid { grid-template-columns: 1fr; } .author-photo { max-width: 220px; } }

/* close + footer */
.close-cta { text-align: center; padding: 56px 0 72px; border-top: 1px solid var(--color-divider); }
.close-cta .h2 { margin: 0 auto; max-width: 24ch; }
.close-actions { display: flex; justify-content: center; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
footer.site-footer { border-top: 1px solid var(--color-divider); padding: 28px 0; }
.footer-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: color-mix(in srgb, var(--color-text) 65%, transparent); }
.footer-row a { color: inherit; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }