/* =========================
   AI КЛИНИКА — ГЛОБАЛЬНЫЕ ПЕРЕМЕННЫЕ
========================= */
:root{
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e5e7eb;

  /* фирменный градиент шапки */
  --brand-start:#0f172a;  /* slate-900 */
  --brand-mid:#1e3a8a;    /* blue-800 */
  --brand-end:#2563eb;    /* blue-600 */

  --accent:#2563eb;       /* основной акцент */
}

/* =========================
   БАЗА И ТИПОГРАФИКА
========================= */
*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* =========================
   ТЕХНОЛОГИЧНАЯ ШАПКА
========================= */
.site-header{
  position:sticky; top:0; z-index:50; color:#fff;
  background:linear-gradient(135deg,var(--brand-start) 0%,var(--brand-mid) 40%,var(--brand-end) 100%);
  box-shadow:0 6px 24px rgba(16,24,40,.12);
  overflow:hidden;
}
.site-header::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(600px 240px at 0% 100%, rgba(255,255,255,.08), transparent 60%),
    radial-gradient(420px 200px at 100% 0%, rgba(255,255,255,.06), transparent 60%),
    repeating-linear-gradient(135deg, rgba(255,255,255,.06) 0 2px, transparent 2px 6px);
  pointer-events:none;
}

.header-inner{
  position:relative;
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 20px;
}

.logo-wrap{
  width:68px; height:68px;
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,.16);
  backdrop-filter:blur(4px);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.logo{height:56px; width:auto; display:block; filter:drop-shadow(0 1px 1px rgba(0,0,0,.35));}

.brand-title{font-weight:700; letter-spacing:.2px; font-size:18px; line-height:1.1;}
.brand-sub{margin-top:2px; font-size:12px; line-height:1.1; opacity:.9;}

/* =========================
   КОНТЕЙНЕР КОНТЕНТА (КАРТОЧКА)
========================= */
.container{
  max-width:960px;
  margin:40px auto;
  background:var(--card);
  padding:24px;
  border-radius:14px;
  box-shadow:0 12px 40px rgba(16,24,40,.10);
}

/* заголовок формы */
.form-title{
  margin:0 0 18px;
  font-size:30px;
  font-weight:800;
}

/* =========================
   СЕТКА ФОРМЫ
========================= */
.form-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}

@media (min-width:900px){
  .form-grid{grid-template-columns:1fr 1fr;}
  .form-grid .col-span-2{grid-column:1 / -1;}
}

/* поля */
.form-group{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.form-label{
  font-weight:600;
  color:var(--text);
}

.form-field{
  padding:12px 14px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  outline:none;
  transition:.15s border, .15s box-shadow;
  font:inherit;
}
.form-field textarea{resize:vertical;min-height:120px}
.form-field:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(37,99,235,.12);
}

/* чекбокс */
.checkbox-field{display:flex; align-items:flex-end;}
.checkbox{display:flex; align-items:center; gap:10px; color:var(--text)}
.checkbox input{width:18px; height:18px}

/* Кнопки */
.form-actions{margin-top:6px}
.btn-primary{
  appearance:none;
  border:0;
  background:linear-gradient(90deg,var(--brand-start),var(--brand-end));
  color:#fff;
  padding:12px 20px;
  border-radius:10px;
  font-weight:600;
  cursor:pointer;
  box-shadow:0 6px 16px rgba(37,99,235,.25);
  transition:transform .05s ease, filter .15s ease;
}
.btn-primary:hover{filter:brightness(1.03)}
.btn-primary:active{transform:translateY(1px)}

/* =========================
   ФУТЕР
========================= */
.site-footer{
  margin-top:24px;
  color:var(--muted);
}
.footer-inner{
  max-width:1000px;
  margin:0 auto;
  padding:12px 20px 32px;
  text-align:center;
  font-size:14px;
  opacity:.9;
}