/* ============================================================
   КредитПро — общие стили сайта
   ============================================================ */
:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --text: #1e2433;
  --muted: #6b7280;
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-soft: #eef2ff;
  --accent: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #e5e9f2;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(30, 41, 59, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img { max-width: 100%; }

/* ---------- Шапка ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--text);
}
.logo .mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #818cf8);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
}
nav.main-nav {
  margin-left: auto;
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
}
nav.main-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 12px;
  border-radius: 10px;
  transition: background 0.15s, color 0.15s;
}
nav.main-nav a:hover { color: var(--text); background: var(--primary-soft); }
nav.main-nav a.active { color: var(--primary); background: var(--primary-soft); }

/* ---------- Герой ---------- */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 54px 20px 26px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.hero p {
  color: var(--muted);
  max-width: 660px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ---------- Раскладка ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 64px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
}
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
@media (max-width: 880px) {
  .calc-grid { grid-template-columns: 1fr; }
}

/* ---------- Форма ---------- */
.field { margin-bottom: 18px; }
.field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-weight: 600;
  font-size: 0.93rem;
  margin-bottom: 8px;
}
.field .value {
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}
.field input[type="range"] { width: 100%; accent-color: var(--primary); cursor: pointer; }
.field input[type="number"],
.field input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
}
.field input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.field .hint { color: var(--muted); font-size: 0.8rem; margin-top: 6px; }

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
}
.btn:hover { background: var(--primary-dark); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: var(--primary-soft); color: var(--primary); }
.btn.secondary:hover { background: #e0e7ff; }

/* ---------- Результаты ---------- */
.result-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.result {
  flex: 1 1 150px;
  background: var(--primary-soft);
  border-radius: 14px;
  padding: 14px 16px;
}
.result .label { font-size: 0.8rem; color: var(--muted); margin-bottom: 4px; }
.result .num {
  font-size: 1.25rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}
.result.primary { background: linear-gradient(135deg, var(--primary), #818cf8); }
.result.primary .label { color: rgba(255, 255, 255, 0.8); }
.result.primary .num { color: #fff; }
.result.good { background: #ecfdf5; }
.result.good .num { color: #047857; }

.bar {
  height: 14px;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  margin: 10px 0 8px;
  background: #f1f4f9;
}
.bar .part-principal { background: var(--primary); }
.bar .part-interest { background: var(--warning); }
.legend { display: flex; gap: 16px; font-size: 0.85rem; color: var(--muted); flex-wrap: wrap; }
.legend .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: middle;
}
.legend .dot.principal { background: var(--primary); }
.legend .dot.interest { background: var(--warning); }

/* ---------- Таблица ---------- */
.table-toggle {
  margin-top: 18px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
}
.table-toggle:hover { background: var(--primary-soft); }
.table-wrap { overflow-x: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 560px; }
th, td {
  padding: 8px 10px;
  text-align: right;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
th:first-child, td:first-child { text-align: left; color: var(--muted); }
th { color: var(--muted); font-weight: 600; }
tr:nth-child(even) td { background: #fafbff; }

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: #fff;
}
.faq summary { cursor: pointer; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "＋ "; color: var(--primary); }
.faq details[open] summary::before { content: "– "; }
.faq details p { margin-top: 8px; color: #374151; font-size: 0.95rem; }

/* ---------- Статья ---------- */
.article h2 { margin: 30px 0 10px; font-size: 1.35rem; }
.article h2:first-child { margin-top: 0; }
.article h3 { margin: 18px 0 8px; font-size: 1.1rem; }
.article p { margin-bottom: 12px; color: #374151; }
.article ul, .article ol { padding-left: 22px; margin: 0 0 14px; color: #374151; }
.article li { margin-bottom: 6px; }
.tip {
  background: #ecfdf5;
  border-left: 4px solid var(--accent);
  padding: 12px 14px;
  border-radius: 0 10px 10px 0;
  margin: 14px 0;
  font-size: 0.95rem;
}
.warn {
  background: #fef2f2;
  border-left: 4px solid var(--danger);
  padding: 12px 14px;
  border-radius: 0 10px 10px 0;
  margin: 14px 0;
  font-size: 0.95rem;
}

/* ---------- Секции ---------- */
.section-title { margin: 34px 0 14px; font-size: 1.4rem; letter-spacing: -0.01em; }
.section-sub { color: var(--muted); margin: -8px 0 18px; }

/* ---------- Сравнение ---------- */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 880px) { .compare-grid { grid-template-columns: 1fr; } }
.offer { border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; background: #fff; }
.offer h3 { margin-bottom: 14px; font-size: 1.1rem; }
.offer.win { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15); }
.verdict {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: 14px;
  background: #ecfdf5;
  border-left: 4px solid var(--accent);
  font-weight: 600;
}
.verdict.bad { background: #fef2f2; border-left-color: var(--danger); }

/* ---------- Подвал ---------- */
footer {
  background: #111827;
  color: #d1d5db;
}
footer .inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 26px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
}
footer a { color: #fff; text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .disclaimer { width: 100%; color: #9ca3af; font-size: 0.82rem; }

/* ---------- Разное ---------- */
.muted { color: var(--muted); }
.center { text-align: center; }
.mt { margin-top: 18px; }
.hidden { display: none !important; }