/* =========================================================
   Бюджет Займ - стили
   Палитра: изумрудно-зелёный (доверие/деньги) + светлый фон
   Шрифты: Playfair Display (заголовки), Inter (текст),
            JetBrains Mono (цифры/суммы - «бухгалтерский» акцент)
   ========================================================= */

:root {
  --bg: #F6F8F5;
  --surface: #FFFFFF;
  --ink: #16241E;
  --ink-soft: #4B5B53;
  --primary: #1F7A53;
  --primary-dark: #14523A;
  --primary-tint: #E6F2EB;
  --accent: #E8A33D;
  --accent-tint: #FBEEDA;
  --medium: #D97B2B;
  --medium-tint: #FBEEDF;
  --line: #DCE6DE;
  --line-strong: #BFD0C5;
  --radius-l: 20px;
  --radius-m: 14px;
  --radius-s: 8px;
  --shadow: 0 12px 30px rgba(22, 36, 30, 0.08);
  --shadow-soft: 0 4px 14px rgba(22, 36, 30, 0.06);
  --container: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 16px;
}

h1 { font-size: clamp(32px, 4.4vw, 52px); }
h2 { font-size: clamp(26px, 3.2vw, 36px); }
h3 { font-size: clamp(20px, 2.2vw, 24px); }

p { margin: 0 0 16px; color: var(--ink-soft); }

.mono {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-tint);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section { padding: 64px 0; }
.section-tight { padding: 40px 0; }

.section-head {
  max-width: 720px;
  margin: 0 0 40px;
}

.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Ledger-line texture - сигнатурный элемент, обыгрывает «бюджет / бухучёт» */
.ledger-lines {
  background-image: repeating-linear-gradient(
    to bottom,
    var(--line) 0,
    var(--line) 1px,
    transparent 1px,
    transparent 40px
  );
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 248, 245, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand svg { height: 34px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.main-nav a:hover,
.main-nav a.active { color: var(--primary-dark); border-color: var(--accent); }

.header-phone {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--primary-dark);
  white-space: nowrap;
}

.nav-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: var(--surface);
  cursor: pointer;
}
.nav-toggle-btn span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--ink);
  border-radius: 2px;
}

.main-nav-mobile {
  display: none;
  flex-direction: column;
  padding: 6px 20px 18px;
  border-top: 1px solid var(--line);
}
.main-nav-mobile a {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  color: var(--ink-soft);
}
.main-nav-mobile.open { display: flex; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--primary-dark);
  border: 1.5px solid var(--line-strong);
}
.btn-ghost:hover { border-color: var(--primary); background: var(--primary-tint); }

.btn-block { width: 100%; }
.btn-sm { padding: 10px 18px; font-size: 14px; }

/* ---------- Hero + Calculator ---------- */
.hero {
  padding: 56px 0 40px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: start;
}

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-stats .stat b {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  color: var(--primary-dark);
}
.hero-stats .stat span {
  font-size: 13px;
  color: var(--ink-soft);
}

.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

/* Calculator card - стилизован под «квиток» / чек-книжку */
.calc-card {
  background: var(--surface);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  padding: 30px 30px 26px;
  position: relative;
  border: 1px solid var(--line);
}

.calc-card::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: -10px;
  width: 20px;
  background-image: radial-gradient(circle at 10px 10px, transparent 8px, var(--bg) 8.5px);
  background-size: 20px 20px;
  background-repeat: repeat-y;
  display: none;
}

.calc-card h3 { margin-bottom: 4px; }
.calc-card .calc-sub { font-size: 14px; margin-bottom: 22px; }

.calc-row { margin-bottom: 22px; }
.calc-row .calc-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
}
.calc-row .calc-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  color: var(--primary-dark);
  font-weight: 700;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--line);
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,.2);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,.2);
  cursor: pointer;
}

.calc-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px dashed var(--line-strong);
  padding-top: 18px;
  margin-top: 4px;
  margin-bottom: 20px;
}
.calc-summary .to-pay-label { font-size: 13px; color: var(--ink-soft); }
.calc-summary .to-pay-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
}
.calc-note { font-size: 12px; color: var(--ink-soft); margin-top: 12px; }

/* ---------- Offer cards ---------- */
.offers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.offer-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 22px 20px 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-soft);
  transition: transform .15s ease, box-shadow .15s ease;
}
.offer-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.offer-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
}

.offer-logo { height: 32px; max-width: 130px; }
.offer-logo img, .offer-logo svg { height: 32px; width: auto; }

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge-zero { background: var(--accent-tint); color: #8A5A16; }
.badge-approval-high { background: var(--primary-tint); color: var(--primary-dark); }
.badge-approval-medium { background: var(--medium-tint); color: var(--medium); }

.offer-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.offer-fact .fact-label {
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 2px;
}
.offer-fact .fact-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.offer-psk { font-size: 12px; color: var(--ink-soft); line-height: 1.45; }
.offer-psk b { color: var(--ink); font-family: 'JetBrains Mono', monospace; }

.offer-card .btn { margin-top: auto; }

.offers-legal {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

/* ---------- Content blocks ---------- */
.content-block { max-width: 820px; }
.content-block ul, .content-block ol {
  margin: 0 0 20px;
  padding-left: 22px;
  color: var(--ink-soft);
}
.content-block li { margin-bottom: 8px; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 22px;
}
.info-card h4 { margin-bottom: 8px; }
.info-card p { margin-bottom: 0; font-size: 14px; }

.steps-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
}
.steps-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 16px 18px;
}
.steps-list .num {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-tint);
  min-width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
}

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 4px;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  color: var(--primary);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "-"; }
.faq-item .faq-a { padding: 0 4px 18px; color: var(--ink-soft); font-size: 15px; }

/* ---------- Callout / disclaimer ---------- */
.callout {
  background: var(--primary-tint);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  padding: 20px 22px;
  font-size: 14px;
  color: var(--primary-dark);
}
.callout.amber { background: var(--accent-tint); color: #7A4E12; }

/* ---------- Auth buttons (личный кабинет) ---------- */
.auth-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  padding: 32px;
  max-width: 420px;
}
.auth-actions { display: grid; gap: 12px; margin-top: 20px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #CFE0D6;
  margin-top: 60px;
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-brand svg { height: 30px; margin-bottom: 12px; }
.footer-brand p { color: #9FB6A9; font-size: 13px; max-width: 280px; }
.footer-col h5 {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #9FB6A9;
  margin-bottom: 14px;
}
.footer-col a, .footer-col p {
  display: block;
  color: #DCE8E0;
  font-size: 14px;
  margin-bottom: 10px;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 20px;
  font-size: 12px;
  color: #7E9689;
}

/* ---------- 404 ---------- */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}
.error-page .error-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 90px;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .offers-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .main-nav { display: none; }
  .offers-grid { grid-template-columns: 1fr; }
  .header-phone { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .nav-toggle-btn { display: flex; }
}