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

:root {
  --tvn_main: #7a4a12;
  --tvn_second: #d98324;
  --tvn_accent: #1f3a5f;
  --tvn_accent_soft: #2c4f7d;
  --tvn_ink: #3a2a16;
  --tvn_ink_soft: #7d6a52;
  --tvn_cream: #fdf8f0;
  --tvn_sand: #f5ead8;
  --tvn_card: #fffdf9;
  --tvn_line: #e6d5b8;
  --tvn_font_head: "Iowan Old Style", Constantia, Georgia, "Times New Roman",
    serif;
  --tvn_font_ui: Verdana, "Segoe UI", Tahoma, Arial, sans-serif;
  --tvn_r_sm: 10px;
  --tvn_r_md: 18px;
  --tvn_r_lg: 28px;
  --tvn_lift_1: 0 6px 16px rgba(122, 74, 18, 0.08);
  --tvn_lift_2: 0 14px 34px rgba(122, 74, 18, 0.13);
  --tvn_lift_3: 0 26px 58px rgba(58, 42, 22, 0.18);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--tvn_font_head);
  font-size: 16px;
  line-height: 1.74;
  color: var(--tvn_ink);
  background:
    radial-gradient(
      circle at 88% -4%,
      rgba(217, 131, 36, 0.18),
      transparent 40%
    ),
    radial-gradient(circle at 4% 12%, rgba(31, 58, 95, 0.08), transparent 34%),
    linear-gradient(180deg, var(--tvn_cream) 0%, var(--tvn_sand) 100%);
  background-attachment: fixed;
}

a {
  color: var(--tvn_accent);
  text-decoration: none;
  transition:
    color 0.2s ease,
    opacity 0.2s ease;
}
a:hover {
  color: var(--tvn_second);
}

/* ---------- шапка ---------- */
.tvn_header_bar {
  padding: 20px 18px;
  text-align: center;
  background: rgba(253, 248, 240, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 2px solid rgba(122, 74, 18, 0.16);
  box-shadow: var(--tvn_lift_1);
}
.tvn_header_inner {
  max-width: 1120px;
  margin: 0 auto;
}
.tvn_header_brand {
  display: inline-block;
  font-family: var(--tvn_font_ui);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--tvn_main);
  border-bottom: 3px solid var(--tvn_second);
  padding-bottom: 3px;
}
.tvn_header_brand:hover {
  color: var(--tvn_main);
}

/* ---------- вступ сторінки ---------- */
.tvn_doc_intro {
  max-width: 860px;
  margin: 0 auto;
  padding: 62px 20px 40px;
  text-align: center;
}
.tvn_doc_kicker {
  display: inline-block;
  padding: 7px 18px;
  margin-bottom: 20px;
  border-radius: 999px;
  background: linear-gradient(
    135deg,
    rgba(217, 131, 36, 0.18),
    rgba(253, 248, 240, 0.95)
  );
  border: 1px solid rgba(217, 131, 36, 0.5);
  font-family: var(--tvn_font_ui);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tvn_main);
}
.tvn_doc_title {
  font-size: clamp(28px, 4.6vw, 48px);
  line-height: 1.16;
  font-weight: 700;
  color: var(--tvn_main);
  margin-bottom: 16px;
}
.tvn_doc_lead {
  max-width: 660px;
  margin: 0 auto;
  font-size: 17px;
  color: var(--tvn_ink_soft);
}
.tvn_doc_stamp {
  display: inline-block;
  margin-top: 20px;
  padding: 6px 16px;
  border-radius: var(--tvn_r_sm);
  background: rgba(31, 58, 95, 0.08);
  border: 1px dashed rgba(31, 58, 95, 0.34);
  font-family: var(--tvn_font_ui);
  font-size: 12px;
  color: var(--tvn_accent);
}

/* ---------- колонка пронумерованих секцій ---------- */
.tvn_doc_column {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.tvn_doc_section {
  background: var(--tvn_card);
  border: 2px solid var(--tvn_line);
  border-radius: var(--tvn_r_md);
  box-shadow: var(--tvn_lift_1);
  overflow: hidden;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
.tvn_doc_section[open] {
  border-color: rgba(217, 131, 36, 0.55);
  box-shadow: var(--tvn_lift_2);
}

.tvn_doc_summary {
  display: grid;
  grid-template-columns: 72px 1fr 26px;
  gap: 18px;
  align-items: center;
  padding: 16px 20px 16px 16px;
  cursor: pointer;
  list-style: none;
  background: linear-gradient(
    100deg,
    rgba(245, 234, 216, 0.75) 0%,
    rgba(255, 253, 249, 0.4) 60%
  );
}
.tvn_doc_summary::-webkit-details-marker {
  display: none;
}
.tvn_doc_summary::marker {
  content: "";
}
.tvn_doc_summary:hover .tvn_doc_num {
  transform: translateY(-2px);
}
.tvn_doc_summary:focus-visible {
  outline: 3px solid var(--tvn_second);
  outline-offset: -3px;
}

.tvn_doc_num {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-family: var(--tvn_font_ui);
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fffaf1;
  background: linear-gradient(140deg, var(--tvn_second) 0%, var(--tvn_main) 100%);
  box-shadow:
    0 8px 18px rgba(122, 74, 18, 0.28),
    inset 0 -4px 10px rgba(90, 52, 8, 0.3);
  transition: transform 0.2s ease;
}
.tvn_doc_section:nth-of-type(even) .tvn_doc_num {
  background: linear-gradient(
    140deg,
    var(--tvn_accent_soft) 0%,
    var(--tvn_accent) 100%
  );
  box-shadow:
    0 8px 18px rgba(31, 58, 95, 0.28),
    inset 0 -4px 10px rgba(15, 28, 48, 0.3);
}

.tvn_doc_heading {
  font-family: var(--tvn_font_head);
  font-size: clamp(18px, 2.6vw, 24px);
  line-height: 1.28;
  font-weight: 700;
  color: var(--tvn_main);
}
.tvn_doc_chevron {
  width: 26px;
  height: 26px;
  position: relative;
  justify-self: end;
}
.tvn_doc_chevron::before,
.tvn_doc_chevron::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--tvn_second);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.22s ease;
}
.tvn_doc_chevron::before {
  width: 16px;
  height: 3px;
}
.tvn_doc_chevron::after {
  width: 3px;
  height: 16px;
}
.tvn_doc_section[open] .tvn_doc_chevron::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.tvn_doc_body {
  padding: 6px 26px 26px 106px;
  border-top: 1px dashed rgba(122, 74, 18, 0.24);
  margin-top: -1px;
}
@media (max-width: 700px) {
  .tvn_doc_summary {
    grid-template-columns: 56px 1fr 22px;
    gap: 14px;
    padding: 14px 16px 14px 12px;
  }
  .tvn_doc_num {
    width: 56px;
    height: 56px;
    font-size: 23px;
    border-radius: 12px;
  }
  .tvn_doc_body {
    padding: 6px 18px 22px 18px;
  }
  .tvn_doc_intro {
    padding-top: 46px;
  }
}

.tvn_doc_body p {
  margin: 14px 0 0;
  color: var(--tvn_ink_soft);
}
.tvn_doc_body p:first-child {
  margin-top: 12px;
}
.tvn_doc_body ul,
.tvn_doc_body ol {
  margin: 14px 0 0;
  padding-left: 22px;
  color: var(--tvn_ink_soft);
}
.tvn_doc_body li {
  margin-bottom: 8px;
}
.tvn_doc_body li::marker {
  color: var(--tvn_second);
}
.tvn_doc_body strong {
  color: var(--tvn_ink);
}
.tvn_doc_subhead {
  font-family: var(--tvn_font_ui);
  font-size: 15px;
  font-weight: 800;
  color: var(--tvn_accent);
  margin: 20px 0 0;
}

/* ---------- допоміжні блоки ---------- */
.tvn_doc_tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(212px, 1fr));
  gap: 14px;
  margin: 18px 0 4px;
}
.tvn_doc_tile {
  padding: 18px 18px 16px;
  border-radius: var(--tvn_r_sm);
  background: linear-gradient(
    180deg,
    rgba(245, 234, 216, 0.55),
    rgba(255, 253, 249, 0.9)
  );
  border: 1px solid rgba(122, 74, 18, 0.18);
  border-left: 4px solid var(--tvn_second);
}
.tvn_doc_tile_head {
  font-family: var(--tvn_font_ui);
  font-size: 14px;
  font-weight: 900;
  color: var(--tvn_main);
  margin-bottom: 5px;
}
.tvn_doc_tile_text {
  font-size: 14px;
  line-height: 1.66;
  color: var(--tvn_ink_soft);
}

.tvn_doc_callout {
  margin: 20px 0 4px;
  padding: 18px 20px;
  border-radius: var(--tvn_r_sm);
  background: linear-gradient(
    135deg,
    rgba(31, 58, 95, 0.1),
    rgba(253, 248, 240, 0.95)
  );
  border: 1px solid rgba(31, 58, 95, 0.32);
  border-left: 5px solid var(--tvn_accent);
}
.tvn_doc_callout p {
  margin: 0;
  color: var(--tvn_ink);
}

.tvn_doc_scroll {
  overflow-x: auto;
  margin: 18px 0 4px;
}
.tvn_doc_table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  border-radius: var(--tvn_r_sm);
  overflow: hidden;
  box-shadow: var(--tvn_lift_1);
  font-size: 15px;
}
.tvn_doc_table th {
  padding: 13px 15px;
  text-align: left;
  font-family: var(--tvn_font_ui);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: #fffaf1;
  background: linear-gradient(120deg, var(--tvn_main), var(--tvn_second));
}
.tvn_doc_table td {
  padding: 12px 15px;
  color: var(--tvn_ink_soft);
  background: rgba(255, 253, 249, 0.92);
  border-bottom: 1px solid rgba(122, 74, 18, 0.14);
}
.tvn_doc_table tr:nth-child(even) td {
  background: rgba(245, 234, 216, 0.62);
}
.tvn_doc_table tr:last-child td {
  border-bottom: none;
}

.tvn_doc_ladder {
  counter-reset: tvn_ladder;
  list-style: none;
  margin: 18px 0 4px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.tvn_doc_ladder li {
  counter-increment: tvn_ladder;
  position: relative;
  margin: 0;
  padding: 14px 16px 14px 56px;
  border-radius: var(--tvn_r_sm);
  background: rgba(253, 248, 240, 0.85);
  border: 1px solid rgba(122, 74, 18, 0.16);
  color: var(--tvn_ink_soft);
  font-size: 15px;
}
.tvn_doc_ladder li::before {
  content: counter(tvn_ladder);
  position: absolute;
  left: 14px;
  top: 13px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  font-family: var(--tvn_font_ui);
  font-size: 14px;
  font-weight: 900;
  color: #fffaf1;
  background: var(--tvn_accent);
}
.tvn_doc_ladder b {
  display: block;
  font-family: var(--tvn_font_ui);
  font-size: 14px;
  color: var(--tvn_main);
  margin-bottom: 2px;
}

/* ---------- підвал ---------- */
.tvn_footer_bar {
  margin-top: 10px;
  padding: 26px 20px 22px;
  text-align: center;
  font-family: var(--tvn_font_ui);
  background: linear-gradient(180deg, #f3e6d0 0%, #ecdcc2 100%);
  border-top: 2px solid rgba(122, 74, 18, 0.18);
}
.tvn_footer_inner {
  max-width: 900px;
  margin: 0 auto;
}
.tvn_footer_brand {
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--tvn_main);
  margin-bottom: 12px;
}
.tvn_footer_nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  margin-bottom: 14px;
}
.tvn_footer_nav a {
  font-size: 12px;
  color: var(--tvn_accent);
  border-bottom: 1px solid rgba(31, 58, 95, 0.3);
}
.tvn_footer_nav a:hover {
  color: var(--tvn_second);
}
.tvn_footer_copy {
  font-size: 12px;
  color: var(--tvn_ink_soft);
  margin-bottom: 8px;
}
.tvn_footer_note {
  max-width: 780px;
  margin: 0 auto;
  font-size: 11px;
  line-height: 1.7;
  color: #8a765b;
}