/* ============================================
   Бухгалтерский стандарт — Minimal Design
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --black: #0f0f0f;
  --gray-900: #1a1a1a;
  --gray-700: #404040;
  --gray-500: #6b6b6b;
  --gray-300: #d1d1d1;
  --gray-100: #f5f5f5;
  --gray-50: #fafafa;
  --white: #ffffff;
  --accent: #1a4b8c;
  --accent-light: #e8f0fb;
  --gold: #FFA626;
  --gold-dark: #e08c00;
  --gold-light: #fff8ec;
  --radius: 8px;
  --radius-lg: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- NAV ---- */
.site-nav {
  border-bottom: 1px solid var(--gray-300);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.nav-logo img { height: 72px; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--gray-700);
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
}

.nav-links a:hover { background: var(--gray-100); color: var(--black); text-decoration: none; }

.nav-links .nav-cta {
  background: var(--black);
  color: var(--white) !important;
  font-weight: 600;
  padding: 7px 16px;
  transition: background 0.2s, color 0.2s;
}

.nav-links .nav-cta:hover { background: var(--gold); color: var(--black) !important; opacity: 1; }

.nav-hamburger {
  display: none;
  background: none;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 6px 10px;
  cursor: pointer;
  color: var(--gray-700);
  font-size: 18px;
}

/* ---- HERO ---- */
.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--gray-100);
}

.hero-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--black);
  max-width: 640px;
  margin: 0 0 20px;
}

.hero-sub {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 480px;
  margin: 0 0 36px;
  line-height: 1.65;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  border-radius: 0;
  padding: 14px 32px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; }

.btn-dark { background: var(--black); color: var(--white); border-color: var(--black); }
.btn-dark:hover { background: transparent; color: var(--black); border-color: var(--black); }
.btn-outline { background: transparent; color: var(--black); border-color: var(--black); }
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-primary { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn-gold { background: var(--gold); color: var(--black); border-color: var(--gold); }
.btn-gold:hover { background: transparent; color: var(--gold); border-color: var(--gold); }
.btn-sm { padding: 9px 18px; font-size: 11px; }

/* ---- SECTION SPACING ---- */
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.section-border { border-top: 1px solid var(--gray-100); }

.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--black);
  margin: 0 0 12px;
}

.section-sub {
  font-size: 16px;
  color: var(--gray-500);
  max-width: 520px;
  margin: 0 0 48px;
}

/* ---- SERVICE GRID ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-300);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-item {
  background: var(--white);
  padding: 28px 28px 32px;
  transition: background .15s;
}

.service-item:hover { background: var(--gray-50); cursor: pointer; }

.service-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
  margin-bottom: 16px;
}

.service-item h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 8px;
}

.service-item p {
  font-size: 13.5px;
  color: var(--gray-500);
  margin: 0;
  line-height: 1.6;
}

/* ---- WHY US ---- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.why-item {}

.why-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1;
  margin-bottom: 8px;
}

.why-item h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 6px;
}

.why-item p {
  font-size: 13.5px;
  color: var(--gray-500);
  margin: 0;
}

/* ---- CTA STRIP ---- */
.cta-strip {
  background: transparent;
  color: var(--black);
  border: 2px solid var(--black);
  border-radius: 0;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-strip h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -.01em;
  color: var(--black);
}

.cta-strip p { color: var(--gray-500); margin: 0; font-size: 14px; }

.btn-white { background: var(--white); color: var(--black); }
.btn-white:hover { opacity: .9; }

/* ---- FOOTER ---- */
.site-footer {
  border-top: 1px solid var(--gray-300);
  padding: 48px 0 32px;
  background: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo img { height: 44px; margin-bottom: 12px; }

.footer-desc {
  font-size: 13.5px;
  color: var(--gray-500);
  line-height: 1.65;
  margin: 0 0 8px;
}

.footer-heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin: 0 0 16px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li { margin-bottom: 8px; }

.footer-links a {
  font-size: 13.5px;
  color: var(--gray-700);
  transition: color .15s;
}

.footer-links a:hover { color: var(--black); text-decoration: none; }

.footer-bottom {
  border-top: 1px solid var(--gray-100);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom-text {
  font-size: 12.5px;
  color: var(--gray-500);
}

/* ---- PAGE HEADER (inner pages) ---- */
.page-header {
  padding: 32px 0 28px;
  border-bottom: 1px solid var(--gray-100);
}

.page-header h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--black);
  margin: 0 0 10px;
}

.page-header.centered { text-align: center; }

.page-header .sub {
  font-size: 14px;
  color: var(--gray-500);
  margin: 0;
}

/* ---- REQUEST PAGE ---- */
.request-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  padding: 56px 0;
}

.about-block h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 10px;
}

.about-block p {
  font-size: 14px;
  color: var(--gray-500);
  margin: 0 0 24px;
}

.contact-list { list-style: none; padding: 0; margin: 0; }

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
}

.contact-list li:last-child { border-bottom: none; }

.contact-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

.contact-label { font-size: 11px; color: var(--gray-500); margin-bottom: 2px; font-weight: 500; }
.contact-value { font-size: 14px; color: var(--black); font-weight: 500; }
.contact-value a { color: var(--black); }

/* Form */
.form-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 24px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--black);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
  appearance: none;
}

.form-control:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0,0,0,.06);
}

textarea.form-control { resize: vertical; min-height: 110px; }

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}

.form-check input[type=checkbox] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--black);
  flex-shrink: 0;
}

.form-check label { font-size: 13px; color: var(--gray-500); line-height: 1.5; }
.form-check label a { color: var(--black); text-decoration: underline; }

.alert-msg {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13.5px;
  margin-bottom: 20px;
}

.alert-success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.alert-error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* ---- TAXES PAGE ---- */
.taxes-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  min-height: calc(100vh - 84px);
  align-items: start;
}

.taxes-sidebar {
  border-right: 1px solid var(--gray-100);
  padding: 32px 0;
  position: sticky;
  top: 84px; /* nav height */
  max-height: calc(100vh - 84px);
  overflow-y: auto;
}

.taxes-sidebar-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gray-500);
  padding: 0 20px;
  margin-bottom: 4px;
  text-align: center;
}

/* Purpose code reference block */
.purpose-codes {
  margin-top: 20px;
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 12px;
}
.purpose-codes-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gray-500);
  margin-bottom: 10px;
}
.purpose-code-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 1px solid var(--gray-100);
  line-height: 1.4;
}
.purpose-code-row:last-child { border-bottom: none; }
.purpose-code-row.active { background: var(--gold-light); margin: 0 -20px; padding: 5px 20px; }
.purpose-code-tag {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--black);
  white-space: nowrap;
  min-width: 80px;
}
.purpose-code-tag.gold { color: var(--gold-dark); }
.purpose-code-desc {
  color: var(--gray-500);
  font-size: 11.5px;
}

.tax-nav-item {
  display: block;
  padding: 10px 20px;
  font-size: 13.5px;
  color: var(--gray-700);
  cursor: pointer;
  transition: background .1s, color .1s;
  border-left: 2px solid transparent;
  text-decoration: none;
}

.tax-nav-item:hover { background: var(--gray-50); color: var(--black); text-decoration: none; }

.tax-nav-item.active {
  background: var(--gold-light);
  color: var(--black);
  border-left-color: var(--gold);
  font-weight: 600;
}

.tax-nav-code {
  font-size: 11px;
  color: var(--gray-500);
  margin-left: 6px;
  font-weight: 400;
}

.tax-nav-item.active .tax-nav-code { color: var(--gold-dark); opacity: .9; }

.taxes-content { padding: 32px 40px; }

/* Tax info header */
.tax-info-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gray-100);
}

.tax-info-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 8px;
  letter-spacing: -.01em;
}

.tax-meta { display: flex; gap: 8px; flex-wrap: wrap; }

.tax-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--gray-100);
  color: var(--gray-700);
}

.tax-badge-accent { background: var(--gold-light); color: var(--gold-dark); }

/* District selector */
.district-selector {
  margin-bottom: 28px;
}

.district-selector label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.district-selector select {
  width: 100%;
  max-width: 420px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--black);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  outline: none;
  cursor: pointer;
  transition: border-color .15s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.district-selector select:focus { border-color: var(--black); }

/* Accounts table */
.accounts-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
}

.accounts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.accounts-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray-500);
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  white-space: nowrap;
  background: var(--gray-50);
}

.accounts-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: top;
  color: var(--gray-900);
}

.accounts-table tr:last-child td { border-bottom: none; }
.accounts-table tr:hover td { background: var(--gray-50); }

.td-label {
  font-size: 11px;
  color: var(--gray-500);
  margin-bottom: 2px;
}

.td-main { font-weight: 500; }

.account-num {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  background: var(--gray-100);
  color: var(--gray-700);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
  white-space: nowrap;
}

.tax-hint {
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--gray-500);
}

.district-prompt {
  text-align: center;
  padding: 64px 32px;
  color: var(--gray-500);
}

.district-prompt-icon { font-size: 2.5rem; margin-bottom: 16px; opacity: .4; }
.district-prompt h3 { font-size: 1rem; color: var(--gray-700); margin: 0 0 8px; }
.district-prompt p { font-size: 13.5px; margin: 0; }

/* Mobile tax selector (hidden on desktop) */
.taxes-mobile-select { display: none; }

.taxes-mobile-select label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.taxes-mobile-select select {
  width: 100%;
  padding: 12px 36px 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--black);
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23333' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.taxes-hint-mobile { display: none; }

/* ---- LEGAL PAGES ---- */
.legal-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 56px 0 72px;
}

.legal-wrap .meta {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-100);
}

.legal-wrap h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--black);
  margin: 36px 0 12px;
}

.legal-wrap h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--gray-700);
  margin: 24px 0 8px;
}

.legal-wrap p, .legal-wrap li {
  font-size: 14.5px;
  color: var(--gray-700);
  line-height: 1.75;
}

.legal-wrap ul, .legal-wrap ol {
  padding-left: 20px;
  margin: 8px 0 16px;
}

.legal-wrap li { margin-bottom: 6px; }

.legal-box {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 16px 0;
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.7;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .taxes-layout { grid-template-columns: 240px 1fr; }
}

@media (max-width: 768px) {
  .site-nav .container { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-300);
    padding: 12px 20px 20px;
    gap: 4px;
  }
  .hero { padding: 56px 0 48px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-strip { padding: 32px 24px; }
  .request-grid { grid-template-columns: 1fr; gap: 40px; padding: 40px 0; }
  .form-row { grid-template-columns: 1fr; }
  .taxes-layout { grid-template-columns: 1fr; }
  .taxes-sidebar { display: none; }
  .taxes-mobile-select { display: block; margin-bottom: 24px; }
  .taxes-hint-desktop { display: none; }
  .taxes-hint-mobile { display: block; }
  .taxes-content { padding: 24px 20px; }

  /* Accounts table → card layout */
  .accounts-table-wrap {
    overflow-x: visible;
    border: none;
    border-radius: 0;
    background: transparent;
  }

  .accounts-table thead { display: none; }

  .accounts-table,
  .accounts-table tbody,
  .accounts-table tr,
  .accounts-table td { display: block; width: 100%; }

  .accounts-table tr {
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    margin-bottom: 12px;
    background: var(--white);
    overflow: hidden;
  }

  .accounts-table tr:last-child { margin-bottom: 0; }
  .accounts-table tr:hover td { background: transparent; }

  .accounts-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-50);
  }

  .accounts-table td:last-child { border-bottom: none; }

  .accounts-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--gray-500);
    margin-bottom: 3px;
  }
}

/* ---- UTILS ---- */
.container { max-width: 1160px; margin: 0 auto; padding: 0 32px; }
.text-muted { color: var(--gray-500); }
.mt-0 { margin-top: 0; }