/* ------------------------------------------------------------------
   D5 INITIATIVE — site styles
   One light theme on purpose: the studio look, not a system preference.
   Display face: Orbitron (wordmark, headings). Body: Inter.
   Single accent: #153756 — wordmark, buttons, links, active borders.
------------------------------------------------------------------- */

:root {
  --bg:        #f4f6f9;          /* земля страницы, слегка уведённая в синий */
  --bg-2:      #eaeff5;
  --surface:   #ffffff;          /* поднятые поверхности: карточки, шапка, документы */
  --panel:     #ffffff;
  --panel-2:   #f4f6f9;
  --line:      #e0e6ee;
  --line-2:    #c3cddb;

  --shadow:    0 1px 2px rgba(21,55,86,.05), 0 10px 30px rgba(21,55,86,.055);
  --shadow-up: 0 2px 4px rgba(21,55,86,.06), 0 16px 44px rgba(21,55,86,.10);

  --ink:       #122334;          /* headings */
  --ink-2:     #46586b;          /* body copy */
  --ink-3:     #6b7784;          /* meta, captions */

  --accent:    #153756;          /* the one accent */
  --accent-dim:#3a6a96;          /* hover borders, softer accent */
  --accent-bg: rgba(21, 55, 86, .07);
  --link:      #153756;

  --display: "Orbitron", "Eurostile", "Segoe UI", system-ui, sans-serif;
  --text:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
             Helvetica, Arial, sans-serif;

  --maxw: 68rem;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.65 var(--text);
  letter-spacing: .005em;
}

img { max-width: 100%; display: block; }

a { color: var(--link); text-decoration-color: rgba(21,55,86,.35); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--link); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------------------------------------------------------- header */

.site-head {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.head-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 64px;
}

.brand {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--display);
  font-weight: 700; font-size: .95rem; letter-spacing: .18em;
  color: var(--accent); text-decoration: none; white-space: nowrap;
}
.brand:hover { color: var(--accent-dim); }
.brand .mark { width: 30px; height: 30px; flex: none; }

.nav { display: flex; gap: 1.6rem; align-items: center; }
.nav a {
  font-size: .82rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-2); text-decoration: none; white-space: nowrap;
}
.nav a:hover { color: var(--accent); }

/* ------------------------------------------------------------ hero */

.hero {
  position: relative;
  isolation: isolate;
  padding: 7rem 0 7.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  overflow: hidden;
}

/* Туманность: два слоя мягких пятен, каждый плывёт со своей скоростью и в свою
   сторону. Пятна держатся справа и снизу — колонка с текстом остаётся светлой,
   иначе абзац теряет контраст. */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: -14%;
  z-index: -1;
  pointer-events: none;
  will-change: transform;
}

.hero::before {
  background:
    radial-gradient(15% 21% at 67% 24%, rgba(140,183,216,.58), rgba(140,183,216,0) 70%),
    radial-gradient(29% 39% at 88% 32%, rgba(76,95,156,.26), rgba(76,95,156,0) 72%),
    radial-gradient(44% 60% at 76% 12%, rgba(79,131,173,.50), rgba(79,131,173,0) 68%),
    radial-gradient(54% 70% at 98% 76%, rgba(21,55,86,.46), rgba(21,55,86,0) 70%),
    radial-gradient(38% 50% at 30% -6%, rgba(120,164,201,.34), rgba(120,164,201,0) 72%);
  animation: nebula-a 54s ease-in-out infinite alternate;
}

.hero::after {
  background:
    radial-gradient(11% 17% at 41% 86%, rgba(140,183,216,.46), rgba(140,183,216,0) 72%),
    radial-gradient(48% 58% at 60% 106%, rgba(44,90,133,.42), rgba(44,90,133,0) 68%),
    radial-gradient(34% 44% at 2% 94%, rgba(79,131,173,.40), rgba(79,131,173,0) 72%);
  animation: nebula-b 76s ease-in-out infinite alternate;
}

@keyframes nebula-a {
  from { transform: translate3d(-3%, -2%, 0) scale(1); }
  to   { transform: translate3d(5%,  4%, 0) scale(1.14); }
}
@keyframes nebula-b {
  from { transform: translate3d(4%,  3%, 0) scale(1.1); }
  to   { transform: translate3d(-5%, -4%, 0) scale(1); }
}

.hero > .wrap { position: relative; z-index: 1; }

.eyebrow {
  font-family: var(--display);
  font-size: .72rem; font-weight: 600; letter-spacing: .28em;
  text-transform: uppercase; color: var(--accent-dim);
  margin: 0 0 1.4rem;
}

.wordmark {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(1.9rem, 7.5vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: .06em;
  overflow-wrap: break-word;
  margin: 0 0 1.2rem;
  text-transform: uppercase;
  color: var(--accent);
}

.lede {
  max-width: 40rem; margin: 0 0 2rem;
  font-size: 1.16rem; line-height: 1.6; color: var(--ink-2);
}
.lede strong { color: var(--ink); font-weight: 600; }

/* --------------------------------------------------------- sections */

section { padding: 4.5rem 0; }
section + section { border-top: 1px solid var(--line); }
main > section:nth-of-type(even) { background: var(--surface); }

.sec-head { margin: 0 0 2.2rem; }

h2 {
  font-family: var(--display);
  font-size: .92rem; font-weight: 700; letter-spacing: .24em;
  text-transform: uppercase; color: var(--accent);
  margin: 0 0 .5rem;
  display: flex; align-items: center; gap: .9rem;
}
h2::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(to right, var(--line-2), transparent);
}

.sec-note { margin: 0; color: var(--ink-3); font-size: .95rem; max-width: 42rem; }

h3 {
  font-family: var(--display);
  font-size: 1.05rem; font-weight: 700; letter-spacing: .06em;
  margin: 0 0 .6rem; color: var(--ink);
}

p { margin: 0 0 1rem; color: var(--ink-2); }
p:last-child { margin-bottom: 0; }

/* ----------------------------------------------------------- cards */

.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

.card-link {
  display: block; text-decoration: none; color: inherit;
  transition: border-color .15s ease, background .15s ease,
              box-shadow .15s ease, transform .15s ease;
}
.card-link:hover {
  border-color: var(--accent-dim);
  box-shadow: var(--shadow-up);
  transform: translateY(-2px);
}

.game-card { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.game-card .meta {
  display: flex; flex-wrap: wrap; gap: .5rem .8rem;
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3);
}
.game-card p { margin: 0; }
.more { color: var(--accent); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; }

.badge {
  display: inline-block;
  font-family: var(--display);
  font-size: .66rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid rgba(21,55,86,.22);
  border-radius: 100px;
  padding: .3rem .7rem;
}
.badge-quiet { color: var(--ink-3); background: transparent; border-color: var(--line-2); }

/* --------------------------------------------------------- buttons */

.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--display);
  font-size: .78rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  padding: .85rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid var(--accent);
  color: #ffffff; background: var(--accent);
}
.btn:hover { background: #1d4a72; border-color: #1d4a72; }

.btn-ghost { background: transparent; color: var(--accent); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--panel); border-color: var(--accent-dim); color: var(--accent); }

.btn-disabled {
  background: transparent; color: var(--ink-3); border-color: var(--line-2);
  cursor: default; pointer-events: none;
}

.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }

/* ------------------------------------------------------- doc links */

.doclist { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.doclist a {
  display: flex; align-items: baseline; gap: .9rem;
  padding: 1rem 1.2rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none; color: var(--ink);
  box-shadow: var(--shadow);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.doclist a:hover { border-color: var(--accent-dim); box-shadow: var(--shadow-up); }
.doclist .doc-name { font-weight: 500; }
.doclist .doc-note { color: var(--ink-3); font-size: .88rem; margin-left: auto; text-align: right; }

/* ------------------------------------------------------ fact table */

.facts { width: 100%; border-collapse: collapse; font-size: .95rem; }
.facts th, .facts td {
  text-align: left; padding: .75rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.facts th {
  font-weight: 500; color: var(--ink-3);
  width: 34%; padding-right: 1.5rem;
  font-size: .82rem; letter-spacing: .08em; text-transform: uppercase;
}
.facts td { color: var(--ink-2); }
.facts tr:last-child th, .facts tr:last-child td { border-bottom: 0; }

/* ------------------------------------------------------ screenshots */

.shots {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
}
.shot {
  aspect-ratio: 9 / 16;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-2);
  border: 1px dashed var(--line-2);
  display: grid; place-items: center;
  color: var(--ink-3);
  font-size: .74rem; letter-spacing: .14em; text-transform: uppercase;
}
.shot img { width: 100%; height: 100%; object-fit: cover; }

/* --------------------------------------------------------- feature */

.feature { border-left: 2px solid var(--accent); padding-left: 1.1rem; }
.feature h3 { font-family: var(--text); font-size: 1rem; letter-spacing: 0; }
.feature p { margin: 0; font-size: .95rem; }

/* ------------------------------------------------------- doc pages */

.doc { padding: 3.5rem 0 5rem; }
.doc .doc-wrap {
  max-width: 52rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 3rem 3.25rem;
}

.doc h1 {
  font-family: var(--display);
  font-size: clamp(1.7rem, 4.5vw, 2.4rem);
  font-weight: 700; letter-spacing: .04em; line-height: 1.15;
  margin: 0 0 .6rem; text-transform: uppercase;
  color: var(--accent);
}
.doc .doc-meta {
  color: var(--ink-3); font-size: .88rem; margin: 0 0 2.5rem;
  padding-bottom: 1.5rem; border-bottom: 1px solid var(--line);
}
.doc h2 {
  font-family: var(--text);
  font-size: 1.12rem; font-weight: 600; letter-spacing: 0; text-transform: none;
  color: var(--ink); margin: 2.6rem 0 .7rem;
  display: block;
}
.doc h2::after { content: none; }
.doc p, .doc li { color: var(--ink-2); }
.doc ul { margin: 0 0 1rem; padding-left: 1.35rem; }
.doc li { margin-bottom: .45rem; }
.doc strong { color: var(--ink); font-weight: 600; }

.summary {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin: 0 0 2.5rem;
}
.summary p { margin: 0; }

.crumbs {
  font-size: .8rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3); margin: 0 0 1.5rem;
}
.crumbs a { color: var(--ink-3); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs span { margin: 0 .5rem; color: var(--line-2); }

/* ---------------------------------------------------------- footer */

.site-foot {
  border-top: 1px solid var(--line);
  padding: 1.9rem 0 2.2rem;
  color: var(--ink-3);
  font-size: .84rem;
}
.foot-inner {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: .6rem 2rem;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.foot-links a { color: var(--ink-3); text-decoration: none; }
.foot-links a:hover { color: var(--accent); }
.foot-note { margin: 0; color: var(--ink-3); }

/* ---------------------------------------------------------- mobile */

/* The brand and the nav together are wider than a phone: stack them. */
@media (max-width: 720px) {
  .head-inner {
    flex-direction: column; align-items: flex-start;
    gap: .35rem; min-height: 0; padding-top: .7rem; padding-bottom: .7rem;
  }
  .brand { font-size: .8rem; letter-spacing: .12em; }
  .brand .mark { width: 26px; height: 26px; }
  .nav { gap: 1.1rem; }
  .nav a { font-size: .72rem; letter-spacing: .06em; }
}

@media (max-width: 640px) {
  .hero { padding: 4rem 0 3.5rem; }
  .hero { padding: 4.5rem 0 5rem; }
  .doc .doc-wrap { padding: 1.9rem 1.35rem; border-radius: 10px; }
  section { padding: 3.2rem 0; }
  .doclist .doc-note { display: none; }
  .facts th { width: 42%; font-size: .76rem; }
}

@media (prefers-reduced-motion: reduce) {
  .card-link { transition: none; }
  .card-link:hover { transform: none; }
  .hero::before, .hero::after { animation: none; }
}