/* ============================================================
   Картотека v3 — премиальный дизайн, упор на графику
   Метафора: шахматы + бронзовые статуэтки СПб
   Типографика: Playfair Display (заголовки) + Inter (текст)
   ============================================================ */

:root {
  --bg-0: #0a0908;
  --bg-1: #111009;
  --bg-2: #171410;
  --bg-3: #211c14;

  --gold: #c9a227;
  --gold-soft: #e6cf77;
  --gold-dim: #8a7125;
  --bronze: #9a6a3f;

  --ink: #efe9dc;
  --ink-soft: #bcb5a6;
  --ink-faint: #817a6c;
  --line: #2c2618;

  --ok: #8fbf6a;
  --warn: #d9a03f;
  --danger: #cf7a68;

  --serif: "Playfair Display", "Georgia", "Times New Roman", serif;
  --font: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;

  --maxw: 1180px;
  --radius: 8px;
}

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

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--gold-soft); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- навигация ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  background: rgba(10,9,8,.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav__inner { position: relative; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand__mark {
  width: 42px; height: 42px; border-radius: 6px;
  background: linear-gradient(145deg, #b4883a, #6d5420);
  display: flex; align-items: center; justify-content: center;
  color: #120e06; font-size: 22px; font-weight: 700;
  font-family: var(--serif); box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.brand__name { font-family: var(--serif); font-weight: 700; font-size: 20px; letter-spacing: .01em; }
.brand__name span { color: var(--gold); }
.nav__links { display: flex; gap: 26px; align-items: center; }
.nav__links a { color: var(--ink-soft); font-size: 15px; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav__links a:hover, .nav__links a.active { color: var(--gold-soft); border-bottom-color: var(--gold); }
.nav__cta {
  background: var(--gold); color: #161006 !important;
  padding: 10px 20px !important; border-radius: var(--radius);
  font-weight: 700 !important; border-bottom: none !important;
  box-shadow: 0 6px 20px rgba(201,162,39,.28);
}
.nav__cta:hover { background: var(--gold-soft); }

/* бургер */
.nav__burger {
  display: none; width: 44px; height: 44px;
  background: transparent; border: 1px solid var(--line);
  border-radius: 8px; cursor: pointer; position: relative;
}
.nav__burger span, .nav__burger::before, .nav__burger::after {
  content: ""; position: absolute; left: 11px; right: 11px; height: 2px;
  background: var(--gold-soft); border-radius: 2px; transition: .25s;
}
.nav__burger span { top: 21px; }
.nav__burger::before { top: 14px; }
.nav__burger::after { top: 28px; }
.nav__burger.open span { opacity: 0; }
.nav__burger.open::before { top: 21px; transform: rotate(45deg); }
.nav__burger.open::after { top: 21px; transform: rotate(-45deg); }

/* ---------- доска-фон ---------- */
.board-bg { position: relative; background-color: var(--bg-0); overflow: hidden; }
.board-bg::before {
  content: ""; position: absolute; inset: 0;
  background-image: url("../assets/board.png");
  background-size: cover;
  background-position: center calc(30% + var(--bg-y, 0px));
  opacity: .5; pointer-events: none; z-index: 0;
}
.board-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(10,9,8,.78) 0%, rgba(10,9,8,.5) 42%, rgba(10,9,8,.7) 100%);
  pointer-events: none; z-index: 0;
}
.board-bg > * { position: relative; z-index: 1; }

/* секция с полноэкранной сценой «доска + фигура» как фон */
.scene-bg {
  position: relative;
  min-height: 70vh;
  background-size: cover;
  background-position: right center;
}
.scene-bg.parallax {
  background-position-y: calc(50% + var(--parallax-y, 0px));
}
.scene-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg,
    rgba(10,9,8,.93) 0%,
    rgba(10,9,8,.72) 42%,
    rgba(10,9,8,.22) 100%);
  pointer-events: none; z-index: 0;
}
.scene-bg > * { position: relative; z-index: 1; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 72px;
}
.hero__inner {
  display: block; padding: 72px 0; max-width: 760px;
}
.hero__eyebrow {
  font-size: 13px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--gold); font-weight: 600; margin-bottom: 24px;
}
.hero h1 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(44px, 6.4vw, 78px);
  line-height: 1.02; letter-spacing: -.015em; color: #fbf7ef;
}
.hero h1 .accent { color: var(--gold-soft); }
.hero__sub { margin-top: 26px; font-size: 19px; color: var(--ink-soft); max-width: 520px; }
.hero__actions { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero__steps { margin-top: 44px; display: flex; gap: 26px; flex-wrap: wrap; }
.hero__step { font-size: 13px; color: var(--ink-faint); letter-spacing: .06em; }
.hero__step b { color: var(--gold-soft); font-weight: 600; }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 15px 30px; border-radius: var(--radius);
  font-weight: 700; font-size: 15px; cursor: pointer;
  border: 1px solid transparent; transition: .2s;
}
.btn--gold { background: var(--gold); color: #161006; box-shadow: 0 8px 24px rgba(201,162,39,.4), 0 0 0 1px rgba(230,207,119,.6); }
.btn--gold:hover { background: var(--gold-soft); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--gold-dim); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-soft); }

/* ---------- секции ---------- */
.section { position: relative; padding: 110px 0; }
.section--panel { background: var(--bg-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section__num {
  font-family: var(--serif); font-size: clamp(80px, 12vw, 160px);
  line-height: 1; color: transparent;
  -webkit-text-stroke: 1px rgba(201,162,39,.28);
  font-weight: 700; letter-spacing: -.02em;
  position: absolute; top: 40px; right: 30px;
  user-select: none; pointer-events: none; z-index: 0;
}

.section__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 48px; margin-bottom: 56px;
}
.section__head .text-col { flex: 1 1 auto; min-width: 0; }
.kicker {
  display: inline-block; font-size: 12px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--gold); font-weight: 600;
  padding-bottom: 8px; border-bottom: 1px solid var(--gold-dim); margin-bottom: 18px;
}
.section h2 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(30px, 4vw, 46px); line-height: 1.08;
  letter-spacing: -.01em; color: #fbf7ef;
}
.section__lead { margin-top: 16px; color: var(--ink-soft); font-size: 17.5px; max-width: 620px; }

/* фигура-скульптура секции */
.section-figure { flex: 0 0 320px; display: flex; justify-content: center; }
.section-figure .frame {
  padding: 10px; border: 1px solid var(--gold-dim); border-radius: 12px;
  background: rgba(17,16,9,.35);
  box-shadow: 0 24px 60px rgba(0,0,0,.55);
  transition: box-shadow .35s, border-color .35s, transform .35s;
}
.section-figure img { display: block; max-height: 360px; width: auto; max-width: 100%; border-radius: 6px; }
.section-figure .frame:hover {
  border-color: var(--gold); transform: translateY(-4px);
  box-shadow: 0 28px 70px rgba(0,0,0,.6), 0 0 44px rgba(201,162,39,.18);
}

/* чередование композиции: секция с фигурой слева */
.section--flip .section__head { flex-direction: row-reverse; }

/* ---------- карточки ---------- */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  position: relative; background: var(--bg-2);
  background: rgba(23,20,16,.38);
  border: 1px solid rgba(201,162,39,.18); border-radius: 12px; padding: 30px;
  backdrop-filter: blur(4px);
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card:hover {
  border-color: rgba(201,162,39,.5); transform: translateY(-4px);
  box-shadow: 0 20px 44px rgba(0,0,0,.4);
}
.card__icon { font-size: 32px; margin-bottom: 16px; }
.card h3 { font-family: var(--serif); font-size: 21px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.card h3 .gold { color: var(--gold-soft); }
.card p { color: var(--ink-soft); font-size: 15px; }

/* ---------- формы ---------- */
.form-panel {
  background: rgba(17,16,9,.34); border: 1px solid rgba(201,162,39,.2);
  border-radius: 16px; padding: 40px;
  backdrop-filter: blur(5px);
  box-shadow: 0 30px 70px rgba(0,0,0,.35);
}
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; font-weight: 500; }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; background: var(--bg-3);
  border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink);
  font-size: 15px; font-family: inherit; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,162,39,.14);
}
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--ink-faint); }
.consent input { margin-top: 3px; }

/* результат */
.check-result { margin-top: 26px; }
.check-result[hidden] { display: none; }
.check-result__level { font-size: 15px; font-weight: 700; padding: 13px 17px; border-radius: var(--radius); margin-bottom: 16px; }
.check-result__level--confirmed { background: rgba(207,122,104,.16); color: #efa394; }
.check-result__level--strong { background: rgba(217,160,63,.16); color: var(--warn); }
.check-result__level--indirect { background: rgba(201,162,39,.12); color: var(--gold-soft); }
.check-result__level--system { background: rgba(188,181,166,.1); color: var(--ink-soft); }
.check-result__level--none { background: rgba(143,191,106,.14); color: var(--ok); }
.check-result__event { border-left: 2px solid var(--gold-dim); padding: 9px 15px; margin-bottom: 10px; background: var(--bg-2); border-radius: 0 8px 8px 0; }
.check-result__event-title { font-size: 14.5px; font-weight: 600; }
.check-result__event-meta { font-size: 12.5px; color: var(--ink-faint); margin-top: 3px; }
.spinner { width: 18px; height: 18px; border: 2px solid var(--line); border-top-color: var(--gold); border-radius: 50%; animation: spin .8s linear infinite; display: inline-block; vertical-align: -3px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- футер ---------- */
.footer { background: var(--bg-1); border-top: 1px solid var(--line); padding: 64px 0 44px; font-size: 14px; color: var(--ink-soft); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 44px; }
.footer h4 { color: var(--ink); font-size: 15px; margin-bottom: 16px; font-weight: 600; }
.footer a { display: block; margin-bottom: 9px; color: var(--ink-soft); }
.footer a:hover { color: var(--gold-soft); }
.footer__legal { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-faint); }
.footer__brand { font-family: var(--serif); font-weight: 700; color: var(--ink); font-size: 22px; }
.footer__brand span { color: var(--gold); }

/* появление при скролле */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- вкладки-органайзер (книжная полка) ---------- */
.organizer { position: relative; }
.organizer__tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  border-bottom: 1px solid rgba(201,162,39,.28);
  padding-bottom: 0;
}
.organizer__tab {
  appearance: none; background: rgba(23,20,16,.4);
  border: 1px solid rgba(201,162,39,.2);
  border-bottom: none; border-radius: 10px 10px 0 0;
  color: var(--ink-soft); font-family: var(--font);
  font-size: 14px; font-weight: 500; padding: 13px 18px;
  cursor: pointer; position: relative; top: 1px;
  transition: background .2s, color .2s, border-color .2s;
  backdrop-filter: blur(4px);
}
.organizer__tab:not(.active) {
  transform: translateY(3px);
  box-shadow: inset 0 -3px 0 rgba(0,0,0,.25);
}
.organizer__tab:not(.active):hover { transform: translateY(1px); }
.organizer__tab:hover { color: var(--gold-soft); border-color: rgba(201,162,39,.4); }
.organizer__tab.active {
  background: rgba(201,162,39,.16);
  color: var(--gold-soft); border-color: var(--gold);
  font-weight: 600;
  transform: translateY(0);
  padding-bottom: 16px;
}
.organizer__panel {
  display: none;
  background: rgba(17,16,9,.3);
  border: 1px solid rgba(201,162,39,.2);
  border-top: none; border-radius: 0 0 14px 14px;
  padding: 30px; backdrop-filter: blur(6px);
  min-height: 220px;
}
.organizer__panel.active { display: block; }
.organizer__panel .placeholder {
  color: var(--ink-faint); font-style: italic; font-size: 15px;
}
.organizer__panel h3 { font-family: var(--serif); font-size: 24px; color: #fbf7ef; margin-bottom: 14px; }

/* ---------- карточки-стек с параллаксом (Всё о наследстве) ---------- */
.parallax-stack {
  position: relative;
}
.pcard {
  position: sticky;
  top: calc(96px + var(--i, 0) * 8px);
  transform: scale(calc(1 - var(--i, 0) * 0.02));
  transform-origin: top center;
  background: rgba(23,20,16,.72);
  border: 1px solid rgba(201,162,39,.22);
  border-radius: 16px; padding: 30px 34px;
  backdrop-filter: blur(8px);
  max-width: 640px;
  margin-bottom: 26px;
  min-height: 180px;
  z-index: calc(1 + var(--i, 0));
  box-shadow: 0 18px 44px rgba(0,0,0,.45);
  transition: border-color .25s, box-shadow .25s;
}
.pcard:hover { border-color: rgba(201,162,39,.55); }
.pcard h3 {
  font-family: var(--serif); font-size: 23px; font-weight: 700;
  color: #fbf7ef; margin-bottom: 12px;
}
.pcard p { color: var(--ink-soft); font-size: 15px; }
.pcard .placeholder { color: var(--ink-faint); font-style: italic; }

@media (max-width: 880px) {
  .pcard { max-width: 100%; margin-left: 0 !important; padding: 24px 20px; top: 76px; }
  .pcard:nth-child(even) { margin-left: 0; }
}

/* ---------- мобильный ---------- */
@media (max-width: 880px) {
  .hero { min-height: auto; padding-top: 90px; padding-bottom: 40px; }
  .hero__inner { padding: 40px 0; max-width: 100%; }
  .hero h1 { font-size: clamp(34px, 9vw, 46px); }
  .hero__sub { font-size: 17px; }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .nav__burger { display: block; }
  .nav__links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: rgba(10,9,8,.97);
    border-bottom: 1px solid var(--line);
    padding: 12px 28px 20px;
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__links a { padding: 13px 0; font-size: 17px; width: 100%; border-bottom: 1px solid var(--line); }
  .nav__links a.nav__cta { margin-top: 14px; text-align: center; }
  .section { padding: 70px 0; }
  .section__num { font-size: 70px; top: 24px; right: 16px; }
  .scene-bg { background-position: right center; }
  .scene-bg::after {
    background: linear-gradient(90deg,
      rgba(10,9,8,.95) 0%, rgba(10,9,8,.82) 55%,
      rgba(10,9,8,.55) 100%);
  }
  .form-panel { padding: 26px 20px; }
  .organizer__tab { font-size: 13px; padding: 10px 13px; }
}

/* ---------- кнопка наверх ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--gold); color: #161006;
  border: none; cursor: pointer;
  font-size: 20px; font-weight: 700;
  box-shadow: 0 8px 24px rgba(201,162,39,.4);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s, transform .3s, visibility .3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--gold-soft); }