/* ============================================================
   Сторінка рішення для стоматологій
   Автономні стилі сторінки. Не залежить від site.css головної.
   Візуальна система та сама: Inter + Fragment Mono, білий і
   світло-сірий фон, без градієнтів і важких тіней.
   ============================================================ */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../assets/fonts/inter-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../assets/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Fragment Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/fragment-mono-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: light;

  --ink: #101114;
  --ink-2: #4a4e57;
  --ink-3: #5b6472;
  --dim: #8a8d93;
  --dim-2: #9aa0a8;
  --bg: #ffffff;
  --surface: #f4f5f7;
  --line: #e4e6ea;
  --line-2: #d9dce1;
  --accent-bg: #deeaf7;
  --accent-ink: #1b3b57;

  --font-sans: "Inter", ui-sans-serif, system-ui, Arial, sans-serif;
  --font-mono: "Fragment Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --pad-x: clamp(20px, 4vw, 48px);
  --sec-y: clamp(56px, 7vw, 104px);
  --max-w: 1100px;
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.container.narrow { max-width: 780px; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 60;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 160ms ease-out;
}
.skip-link:focus { transform: translateY(0); }

/* ---------- типографіка ---------- */

h1 {
  margin: 16px 0 0;
  font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1px;
  text-wrap: balance;
}

h2 {
  margin: 0;
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.6px;
  text-wrap: balance;
}

h3 {
  margin: 0;
  font-size: clamp(17px, 1.2vw, 19px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.2px;
}

p { margin: 0; }

.eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dim-2);
}

.muted { color: var(--ink-2); }

.section-intro {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 0.5vw + 14px, 18px);
  color: var(--ink-2);
}

.prose { display: grid; gap: 18px; margin-top: 24px; max-width: 68ch; }
.prose p { color: var(--ink-2); }

.statement {
  margin: 0;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
  font-size: clamp(18px, 1.6vw, 24px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.3px;
}

/* ---------- шапка ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
}

.brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.7px;
  text-decoration: none;
}

.menu-button {
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: inherit;
  font: inherit;
  font-size: 15px;
  cursor: pointer;
}

.nav-links { display: none; }
.nav-links.open {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px var(--pad-x) 18px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.nav-links a {
  display: flex;
  align-items: center;
  min-height: 46px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
}

/* ---------- кнопки ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity 160ms ease-out;
}
.button:hover { opacity: 0.86; color: var(--bg); }

.button-secondary {
  background: transparent;
  border-color: var(--line-2);
  color: var(--ink);
}
.button-secondary:hover { background: var(--surface); color: var(--ink); }

.button-small { min-height: 44px; padding: 0 18px; font-size: 15px; }
.nav-cta { margin-top: 4px; }

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  text-underline-offset: 4px;
}

/* ---------- hero ---------- */

.research-hero { position: relative; padding-block: 0 var(--sec-y); }
.research-hero img {
  width: 100%;
  height: clamp(240px, 38vw, 460px);
  object-fit: cover;
  object-position: center 55%;
}
.research-hero-content { margin-top: clamp(28px, 4vw, 48px); }
.hero-copy {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 0.6vw + 14px, 19px);
  color: var(--ink-2);
}
.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- секції ---------- */

.section { padding-block: var(--sec-y); }
.section.surface { background: var(--surface); }

/* ---------- результати ---------- */

.result-grid { display: grid; gap: clamp(28px, 4vw, 56px); }

.result-number {
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -3px;
}
.result-number span {
  display: block;
  margin-top: 14px;
  max-width: 22ch;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--ink-3);
}

.result-list { margin-top: 24px; display: grid; gap: 14px; }
.result-card {
  padding: 20px;
  border-radius: 18px;
  background: var(--surface);
}
.section.surface .result-card { background: var(--bg); }
.result-card strong {
  display: block;
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 700;
  letter-spacing: -0.5px;
}
.result-card span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink-2);
}

/* ---------- методика ---------- */

.methodology-grid { display: grid; gap: clamp(28px, 4vw, 56px); }

.methodology-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 12px;
  color: var(--ink-2);
}

.quote {
  margin: 28px 0;
  padding: 20px 22px;
  border-radius: 18px;
  background: var(--surface);
  font-size: clamp(16px, 1vw, 18px);
  font-style: normal;
  line-height: 1.5;
}
.section.surface .quote { background: var(--bg); }

.limitations {
  margin: 12px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  color: var(--ink-2);
}

.methodology-grid h3 { margin-top: 34px; }

/* ---------- таблиця ---------- */

.table-shell {
  margin-top: 28px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  white-space: nowrap;
}
.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.data-table th {
  font-weight: 600;
  color: var(--ink);
  background: var(--surface);
}
.data-table td { color: var(--ink-2); }
.data-table tbody tr:last-child td { border-bottom: 0; }

.table-note {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--dim);
}

/* ---------- висновки ---------- */

.conclusion { margin-top: 32px; display: grid; gap: 20px; }
.conclusion article {
  padding: 24px;
  border-radius: 20px;
  background: var(--surface);
}
.section.surface .conclusion article { background: var(--bg); }
.conclusion p { margin-top: 10px; }
.conclusion p + p { margin-top: 12px; }
.conclusion ul {
  margin: 12px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  color: var(--ink-2);
}

/* ---------- джерела ---------- */

.sources { margin-top: 28px; display: grid; gap: 12px; }
.source {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg);
  text-decoration: none;
  transition: background 160ms ease-out;
}
.source:hover { background: var(--surface); }
.source strong { display: block; font-size: 16px; font-weight: 600; }
.source span {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--ink-2);
}

/* ---------- сценарій ---------- */

.scenario {
  margin-top: 32px;
  display: grid;
  gap: 14px;
}
.scenario article {
  padding: 22px;
  border-radius: 20px;
  background: var(--surface);
}
.section.surface .scenario article { background: var(--bg); }
.scenario b {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-ink);
}
.scenario h3 { margin-top: 10px; font-weight: 600; }

/* ---------- демо ---------- */

.demo-panel {
  margin-top: 32px;
  display: grid;
  gap: 24px;
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--bg);
}
.demo-copy p { margin-top: 12px; color: var(--ink-2); }
.demo-copy .button { margin-top: 22px; }
.demo-note { font-size: 13px; line-height: 1.5; color: var(--dim); }

.demo-chat { display: grid; gap: 10px; align-content: start; }
.bubble {
  max-width: 88%;
  padding: 12px 16px;
  border-radius: 18px;
  background: var(--surface);
  font-size: 15px;
  line-height: 1.45;
}
.bubble.patient {
  margin-left: auto;
  background: var(--accent-bg);
  color: var(--accent-ink);
}
.bubble small {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim);
}

.topics { display: flex; flex-wrap: wrap; gap: 10px; }
.topic {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  font-size: 14px;
  color: var(--ink-2);
}

/* ---------- картка запису ---------- */

.admin-preview { display: grid; gap: clamp(28px, 4vw, 48px); }

.record {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--bg);
}
.record-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.record-head strong { font-size: 17px; font-weight: 700; }
.record-status {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent-bg);
  color: var(--accent-ink);
  font-size: 12px;
  font-weight: 500;
}
.record-grid {
  margin-top: 18px;
  display: grid;
  gap: 16px;
}
.record-grid span {
  display: block;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dim-2);
}
.record-grid b { display: block; margin-top: 4px; font-size: 15px; font-weight: 600; }

/* ---------- пілот ---------- */

.pilot { display: grid; gap: clamp(28px, 4vw, 48px); }
.pilot .button { margin-top: 26px; }
.pilot-list { display: grid; gap: 14px; }
.pilot-list article {
  padding: 20px;
  border-radius: 18px;
  background: var(--bg);
}
.pilot-list p { margin-top: 8px; font-size: 15px; color: var(--ink-2); }

/* ---------- фінальний блок ---------- */

.final-cta {
  padding-block: var(--sec-y);
  border-top: 1px solid var(--line);
  text-align: center;
}
.final-cta p {
  margin: 18px auto 0;
  max-width: 60ch;
  color: var(--ink-2);
}
.final-cta .hero-actions { justify-content: center; }

/* ---------- підвал ---------- */

.site-footer {
  padding-block: 32px;
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: grid;
  gap: 14px;
  font-size: 14px;
  color: var(--ink-2);
}
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  text-underline-offset: 4px;
}

/* ============================================================
   Планшет і десктоп
   ============================================================ */

@media (min-width: 720px) {
  .result-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .conclusion { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sources { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scenario { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .record-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pilot-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .menu-button { display: none; }
  .nav-links {
    position: static;
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0;
    border: 0;
    background: none;
  }
  .nav-links a { min-height: 44px; }
  .nav-cta { margin-top: 0; }

  .result-grid { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); }
  .methodology-grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); }
  .demo-panel { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; }
  .admin-preview { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
  .pilot { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
  .scenario { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pilot-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}