/* ==========================================================================
   Тсяковник — полевой дневник Г. Е. Евстигнеева
   Эстетика: гербарный дневник натуралиста. Тёплая бумага, засечки, капитель,
   ботанические таблицы. Только системные шрифты. Никаких внешних ресурсов:
   зерно бумаги — inline-SVG в data-URI. Полностью работает офлайн.
   ========================================================================== */

:root {
  /* Бумага и чернила */
  --paper:      #f3eee1;
  --paper-2:    #ece5d3;
  --paper-edge: #e3dac3;
  --ink:        #2a2620;
  --ink-soft:   #5c5547;
  --ink-faint:  #8a8270;

  /* Приглушённые натуральные акценты */
  --green:      #51613f;
  --green-dk:   #3a472d;
  --sepia:      #7c6543;
  --rust:       #9a6a44;
  --bloom:      #b9c0a3;   /* бледный зеленоватый «лепесток» */

  --rule:       #cdc3a8;
  --rule-dk:    #b6a988;

  --measure:    40rem;     /* комфортная мера строки */

  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua",
                  Palatino, Georgia, "Times New Roman", serif;
  --font-body:    "Iowan Old Style", "Palatino Linotype", Palatino,
                  "Book Antiqua", Georgia, "Times New Roman", serif;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.66;
  font-variant-numeric: oldstyle-nums proportional-nums;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  /* слои бумаги: мягкая виньетка + тёплые пятна */
  background-color: var(--paper);
  background-image:
    radial-gradient(120% 90% at 50% -10%, #faf6ec 0%, rgba(250,246,236,0) 55%),
    radial-gradient(140% 120% at 100% 0%, rgba(124,101,67,0.06) 0%, rgba(124,101,67,0) 45%),
    radial-gradient(140% 120% at 0% 100%, rgba(81,97,63,0.06) 0%, rgba(81,97,63,0) 45%);
  background-attachment: fixed;
}

/* Зерно бумаги — фиксированный overlay, inline-SVG, никаких файлов */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
}

body > * { position: relative; z-index: 1; }

/* --- Шапка / masthead ---------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.35), rgba(255,255,255,0) 60%),
    var(--paper-2);
}

.masthead {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 2.1rem 1.4rem 1.5rem;
  text-align: center;
}

.masthead .ornament { display: block; margin: 0 auto 0.7rem; color: var(--green); }

.site-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: normal;
  font-size: clamp(1.7rem, 4.4vw, 2.45rem);
  letter-spacing: 0.01em;
  color: var(--ink);
  line-height: 1.1;
}
.site-title a { color: inherit; text-decoration: none; }

.site-subtitle {
  margin: 0.55rem 0 0;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--ink-faint);
  font-variant-numeric: lining-nums;
}

/* Навигация — капитель, чернильное подчёркивание */
nav.site-nav { border-top: 1px solid var(--rule); background: rgba(236,229,211,0.55); }

nav.site-nav ul {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0.55rem 1.4rem;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.1rem 1.8rem;
}

nav.site-nav a {
  position: relative;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 0.45rem 0;
  display: inline-block;
}
nav.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0.2rem;
  height: 1px;
  background: var(--green-dk);
  transition: right 0.32s cubic-bezier(.2,.7,.3,1);
}
nav.site-nav a:hover { color: var(--green-dk); }
nav.site-nav a:hover::after { right: 0; }
nav.site-nav a.active { color: var(--green-dk); }
nav.site-nav a.active::after { right: 0; }

/* --- Основной поток ------------------------------------------------------ */

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 2.8rem 1.4rem 3rem;
  animation: rise 0.7s ease both;
}
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* мягкое ступенчатое проявление блоков */
main > * { animation: fade 0.8s ease both; }
main > *:nth-child(1) { animation-delay: 0.02s; }
main > *:nth-child(2) { animation-delay: 0.08s; }
main > *:nth-child(3) { animation-delay: 0.14s; }
main > *:nth-child(4) { animation-delay: 0.20s; }
main > *:nth-child(5) { animation-delay: 0.26s; }
main > *:nth-child(n+6) { animation-delay: 0.30s; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  main, main > * { animation: none !important; }
  html { scroll-behavior: auto; }
}

h1, h2, h3 { font-family: var(--font-display); font-weight: normal; color: var(--ink); line-height: 1.18; }

.page-title {
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  margin: 0 0 0.3rem;
}
.kicker {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--rust);
  margin-bottom: 0.8rem;
  font-variant-numeric: lining-nums;
}

h2 {
  font-size: 1.45rem;
  margin: 2.6rem 0 0.7rem;
  padding-bottom: 0.35rem;
  color: var(--green-dk);
  border-bottom: 1px solid var(--rule);
}
h3 { font-size: 1.16rem; margin: 1.7rem 0 0.4rem; color: var(--sepia); }

.lead {
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* Буквица для вводного абзаца */
.lead.dropcap::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 3.5em;
  line-height: 0.78;
  padding: 0.06em 0.12em 0 0;
  color: var(--green);
}

p { margin: 0 0 1.1rem; }

a { color: var(--green); text-underline-offset: 0.18em; text-decoration-color: var(--rule-dk); }
a:hover { color: var(--green-dk); text-decoration-color: var(--green-dk); }

blockquote {
  margin: 1.6rem 0;
  padding: 0.2rem 0 0.2rem 1.3rem;
  border-left: 2px solid var(--green);
  color: var(--ink-soft);
  font-style: italic;
  font-size: 1.05rem;
}
blockquote cite { display: block; margin-top: 0.4rem; font-style: normal; font-size: 0.82rem; color: var(--ink-faint); }

ul.plain, ol.plain { padding-left: 1.3rem; }
ul.plain li, ol.plain li { margin-bottom: 0.45rem; }

.muted { color: var(--ink-faint); font-size: 0.9rem; }

/* Орнаментальный разделитель с прессованным листом */
.leaf-divider { text-align: center; margin: 2.6rem 0; color: var(--green); }
.leaf-divider svg { display: inline-block; vertical-align: middle; }

/* --- Гербарная карточка автора ------------------------------------------ */

.specimen-label {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem 1.3rem;
  align-items: center;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.5), rgba(255,255,255,0) 70%),
    var(--paper);
  border: 1px solid var(--rule-dk);
  box-shadow: 0 1px 0 #fff inset, 0 8px 22px -16px rgba(42,38,32,0.5);
  padding: 1.1rem 1.3rem;
  margin: 1.9rem 0;
}
.specimen-label .avatar {
  width: 92px; height: 92px;
  border-radius: 2px;
  border: 1px solid var(--rule-dk);
  background: var(--paper-2);
  overflow: hidden;
}
.specimen-label .avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 22%;
  display: block;
}
.specimen-label .meta { font-size: 0.96rem; line-height: 1.5; }
.specimen-label .meta .name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--green-dk);
}
.specimen-label .meta .field {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.25rem;
}

/* --- Полевые заметки ----------------------------------------------------- */

.note {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0 1.6rem;
  padding: 1.5rem 0 1.6rem;
  border-bottom: 1px solid var(--rule);
}
.note:last-child { border-bottom: none; }

.note .stamp { padding-top: 0.15rem; }
.note .date {
  font-variant-numeric: oldstyle-nums;
  font-size: 1.02rem;
  color: var(--green-dk);
  display: block;
}
.note .specimen {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rust);
}
.note h3 { margin: 0 0 0.4rem; color: var(--ink); }
.note .place { font-size: 0.84rem; color: var(--ink-faint); font-style: italic; margin-bottom: 0.5rem; }
.note p:last-child { margin-bottom: 0; }

@media (max-width: 600px) {
  .note { grid-template-columns: 1fr; gap: 0.2rem; }
  .note .stamp { display: flex; align-items: baseline; gap: 0.9rem; padding-top: 0; }
  .note .specimen { margin-top: 0; }
}

/* --- Галерея: ботанические таблицы --------------------------------------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1.7rem;
  margin: 2rem 0;
}

figure.plate {
  margin: 0;
  background:
    linear-gradient(180deg, #fbf8f0, #f2ecdd);
  border: 1px solid var(--rule-dk);
  box-shadow: 0 10px 26px -20px rgba(42,38,32,0.7);
  padding: 0.8rem 0.8rem 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
figure.plate:hover { transform: translateY(-3px); box-shadow: 0 16px 30px -20px rgba(42,38,32,0.7); }

figure.plate .frame {
  width: 100%;
  aspect-ratio: 4 / 5;
  display: block;
  background: var(--paper);
  border: 1px solid var(--rule);
  overflow: hidden;
}
figure.plate .frame svg { width: 100%; height: 100%; display: block; }
figure.plate .frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

figure.plate figcaption {
  padding: 0.7rem 0.3rem 0.95rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.45;
}
figure.plate .plate-no {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 0.25rem;
  font-variant-numeric: lining-nums;
}
figure.plate .cap-title { font-family: var(--font-display); color: var(--green-dk); font-size: 0.98rem; }

/* --- История растения ---------------------------------------------------- */

.story-figure { margin: 2rem auto; text-align: center; max-width: 34rem; }
.story-figure .frame {
  display: block;
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--rule-dk);
  box-shadow: 0 10px 26px -20px rgba(42,38,32,0.7);
}
.story-figure .frame svg { width: 100%; height: auto; display: block; }
.story-figure .frame img { width: 100%; height: auto; display: block; }
.story-figure figcaption { margin-top: 0.6rem; font-size: 0.85rem; color: var(--ink-faint); font-style: italic; }

/* --- Подвал -------------------------------------------------------------- */

footer.site-footer {
  border-top: 1px solid var(--rule);
  background:
    linear-gradient(180deg, rgba(255,255,255,0) , rgba(255,255,255,0.25)),
    var(--paper-2);
  color: var(--ink-faint);
  font-size: 0.84rem;
  margin-top: 2rem;
}
footer.site-footer .inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 1.7rem 1.4rem 2.2rem;
  text-align: center;
  line-height: 1.7;
}
footer.site-footer .leaf { color: var(--green); display: block; margin: 0 auto 0.7rem; }
footer.site-footer a { color: var(--sepia); }
footer.site-footer a:hover { color: var(--green-dk); }

/* --- Утилиты ------------------------------------------------------------- */

.note-aside {
  background: rgba(124,101,67,0.06);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--sepia);
  padding: 0.9rem 1.1rem;
  margin: 1.6rem 0;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.note-aside strong { color: var(--sepia); font-weight: normal; }