:root {
  --bg: #f7f5ef;
  --paper: #fffdf8;
  --ink: #18231f;
  --muted: #66736b;
  --green: #0f4b3e;
  --green-2: #1b6b58;
  --gold: #c9a657;
  --gold-soft: #ead9ab;
  --line: rgba(24, 35, 31, 0.12);
  --shadow: 0 22px 60px rgba(12, 42, 34, 0.14);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Georgia, "Times New Roman", serif; color: var(--ink); background: var(--bg); }
a { color: inherit; text-decoration: none; }
p { line-height: 1.65; }
.hero {
  min-height: 720px;
  color: #fff;
  background:
    radial-gradient(circle at 20% 18%, rgba(201, 166, 87, 0.35), transparent 27%),
    linear-gradient(135deg, rgba(15, 75, 62, 0.96), rgba(9, 31, 29, 0.98));
  position: relative;
  overflow: hidden;
}
.hero::after { content: ""; position: absolute; inset: auto -10% -14% -10%; height: 200px; background: var(--bg); transform: rotate(-3deg); }
.nav { position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; padding: 28px 24px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; gap: 14px; align-items: center; }
.brand-mark { width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid rgba(234,217,171,.75); border-radius: 50%; color: var(--gold-soft); font-weight: 700; }
.brand small { display: block; opacity: .72; font-family: Arial, sans-serif; font-size: 12px; margin-top: 3px; }
.nav-links { display: flex; gap: 24px; font-family: Arial, sans-serif; font-size: 14px; }
.nav-links a { opacity: .82; }
.nav-links a:hover { opacity: 1; color: var(--gold-soft); }
.nav-toggle { display: none; border: 1px solid rgba(255,255,255,.25); background: transparent; color: #fff; border-radius: 12px; padding: 9px 12px; font-size: 20px; }
.hero-inner { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; padding: 92px 24px 170px; display: grid; grid-template-columns: 1.13fr .87fr; gap: 56px; align-items: center; }
.eyebrow { color: var(--gold); text-transform: uppercase; letter-spacing: .18em; font-family: Arial, sans-serif; font-size: 12px; font-weight: 700; margin: 0 0 14px; }
h1, h2, h3 { margin-top: 0; line-height: 1.15; }
h1 { font-size: clamp(38px, 5.8vw, 72px); margin-bottom: 26px; }
.subtitle { font-size: 20px; max-width: 760px; color: rgba(255,255,255,.84); }
.hero-actions { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 14px 24px; font-family: Arial, sans-serif; font-weight: 700; border: 1px solid transparent; transition: .2s ease; cursor: pointer; }
.btn.primary { background: var(--gold); color: #1d1a10; }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,0,0,.18); }
.btn.ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn.small { padding: 12px 18px; white-space: nowrap; }
.hero-card { background: rgba(255,255,255,.10); border: 1px solid rgba(234,217,171,.35); border-radius: var(--radius); padding: 34px; backdrop-filter: blur(16px); box-shadow: var(--shadow); }
.card-icon { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 20px; background: rgba(201,166,87,.2); color: var(--gold-soft); font-size: 30px; margin-bottom: 22px; }
.hero-card h2 { font-size: 30px; }
.hero-card p { color: rgba(255,255,255,.78); }
.hero-card dl { margin: 28px 0 0; display: grid; gap: 12px; }
.hero-card dl div { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid rgba(255,255,255,.14); padding-top: 12px; }
.hero-card dt { color: rgba(255,255,255,.58); font-family: Arial, sans-serif; }
.hero-card dd { margin: 0; font-weight: 700; }
.section { max-width: 1180px; margin: 0 auto; padding: 86px 24px; }
.section-heading { max-width: 780px; margin-bottom: 36px; }
.section-heading h2 { font-size: clamp(32px, 4vw, 52px); color: var(--green); }
.lead { color: var(--muted); font-size: 18px; }
.tinted { max-width: none; background: linear-gradient(135deg, rgba(15,75,62,.08), rgba(201,166,87,.12)); }
.tinted > * { max-width: 1180px; margin-left: auto; margin-right: auto; }
.grid { display: grid; gap: 22px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cards { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.text-card, .topic-card, .abstract-item, .contact-panel, .note-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(12,42,34,.07);
}
.text-card { padding: 32px; }
.text-card.accented { border-color: rgba(201,166,87,.6); background: linear-gradient(180deg, #fffdf8, #fff8e4); }
.text-card h3, .topic-card h3 { color: var(--green); font-size: 24px; }
.topic-card { padding: 26px; min-height: 245px; transition: .2s ease; }
.topic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.topic-card span { display: inline-flex; margin-bottom: 24px; color: var(--gold); font-family: Arial, sans-serif; font-weight: 800; }
.topic-card p, .abstract-item p, .text-card p, .contact-panel p, .note-box p { color: var(--muted); }
.abstract-tools { display: grid; grid-template-columns: 1fr 300px auto; gap: 16px; align-items: end; margin-bottom: 18px; }
.search, .select-wrap { font-family: Arial, sans-serif; font-size: 13px; color: var(--muted); }
.search span, .select-wrap span { display: block; margin-bottom: 8px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; background: #fff; color: var(--ink); font: inherit; }
input:focus, select:focus { outline: 2px solid rgba(201,166,87,.45); border-color: var(--gold); }
.summary-line { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin: 10px 0 18px; color: var(--muted); font-family: Arial, sans-serif; }
.summary-line button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 10px 16px; cursor: pointer; color: var(--green); font-weight: 700; }
.abstract-list { display: grid; gap: 14px; }
.abstract-item { padding: 22px; display: grid; grid-template-columns: 56px 1fr auto; gap: 18px; align-items: start; }
.number { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: rgba(15,75,62,.08); color: var(--green); font-family: Arial, sans-serif; font-weight: 800; }
.abstract-item h3 { margin-bottom: 8px; color: var(--green); font-size: 19px; line-height: 1.3; }
.abstract-item p { margin: 0; }
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; font-family: Arial, sans-serif; font-size: 12px; }
.pill { background: rgba(201,166,87,.16); color: #73591d; padding: 6px 10px; border-radius: 999px; }
.pill.green { background: rgba(15,75,62,.08); color: var(--green); }
.actions { display: flex; flex-direction: column; gap: 8px; }
.read-link, .copy-link { color: var(--green-2); font-family: Arial, sans-serif; font-weight: 800; white-space: nowrap; border: 1px solid var(--line); border-radius: 999px; padding: 10px 14px; text-align: center; background: #fff; cursor: pointer; }
.read-link { background: var(--green); color: #fff; border-color: var(--green); }
.copy-link:hover, .read-link:hover { transform: translateY(-1px); }
.hidden { display: none !important; }
.contact-panel { padding: 34px; display: grid; grid-template-columns: .95fr 1.05fr; gap: 34px; }
.note-box { padding: 26px; box-shadow: none; }
code { background: rgba(15,75,62,.08); padding: 2px 6px; border-radius: 6px; }
.footer { background: #0a231f; color: rgba(255,255,255,.72); padding: 28px 24px; display: flex; justify-content: space-between; gap: 18px; font-family: Arial, sans-serif; }
.footer a { color: var(--gold-soft); }
@media (max-width: 1020px) {
  .hero-inner, .grid.two, .contact-panel { grid-template-columns: 1fr; }
  .grid.cards { grid-template-columns: repeat(2, 1fr); }
  .abstract-tools { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav { align-items: flex-start; }
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; right: 24px; top: 92px; width: calc(100% - 48px); background: rgba(10,35,31,.98); border: 1px solid rgba(255,255,255,.12); border-radius: 20px; padding: 18px; flex-direction: column; }
  .nav-links.open { display: flex; }
  .grid.cards { grid-template-columns: 1fr; }
  .abstract-item { grid-template-columns: 1fr; }
  .actions { flex-direction: row; flex-wrap: wrap; }
  .footer, .summary-line { flex-direction: column; align-items: stretch; }
  .section { padding: 56px 18px; }
  .nav, .hero-inner { padding-left: 18px; padding-right: 18px; }
  .hero { min-height: auto; }
}