/* ==========================================================================
   ВОСХОД — Архив советского ретрофутуризма
   Дизайн: тёмный космос + бумажный архив + латунь и киноварь.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@400;600;800;900&family=PT+Serif:ital,wght@0,400;0,700;1,400&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --void:        #0a0e17;
  --void-2:      #0f1524;
  --panel:       #131a2b;
  --panel-line:  #26314a;
  --paper:       #ece3cd;
  --paper-2:     #e0d5b8;
  --ink:         #201a10;
  --ink-soft:    #4a4130;
  --brass:       #c9a227;
  --brass-bright:#e7c04d;
  --rust:        #b8382a;
  --rust-bright: #d64431;
  --steel:       #9fb0c2;
  --teal:        #3e7c74;
  --star:        #f4ecd2;

  --font-display: 'Unbounded', sans-serif;
  --font-body:    'PT Serif', Georgia, serif;
  --font-mono:    'JetBrains Mono', monospace;

  --container: 1180px;
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--void);
  color: var(--star);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg{ display:block; max-width: 100%; }
a{ color: inherit; }

::selection{ background: var(--rust); color: var(--paper); }

:focus-visible{
  outline: 2px solid var(--brass-bright);
  outline-offset: 3px;
}

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

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  margin: 0 0 .5em;
  letter-spacing: .01em;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brass-bright);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px;
  background: var(--brass-bright);
  display:inline-block;
}

p{ margin: 0 0 1.1em; color: #d9d0b8; }
.lede{ font-size: 1.18rem; color: var(--star); }

/* ---------- Header / Nav ---------- */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(10,14,23,.72);
  border-bottom: 1px solid rgba(159,176,194,.15);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content: space-between;
  height: 68px;
}
.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
}
.brand-mark{
  width: 30px; height: 30px;
  position: relative;
  flex: none;
}
.brand-mark svg{ width:100%; height:100%; }
.brand small{
  display:block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 9.5px;
  letter-spacing: .1em;
  color: var(--steel);
  text-transform: none;
}

.nav{
  display:flex;
  gap: 6px;
  align-items:center;
}
.nav a{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--steel);
  padding: 9px 14px;
  border: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.nav a:hover{ color: var(--star); border-color: var(--panel-line); }
.nav a.active{
  color: var(--void);
  background: var(--brass-bright);
  border-color: var(--brass-bright);
}
.nav a.warn{ color: var(--rust-bright); }
.nav a.warn:hover{ background: var(--rust); color: var(--paper); }

.nav-toggle{ display:none; }

/* ---------- Hero / Parallax ---------- */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  overflow: hidden;
  isolation: isolate;
  background: radial-gradient(ellipse 120% 90% at 50% 115%, #2a1710 0%, var(--void-2) 45%, var(--void) 78%);
}
.parallax-layer{
  position:absolute;
  inset: 0;
  pointer-events:none;
  will-change: transform;
}
#layer-stars-far{ z-index:1; }
#layer-stars-near{ z-index:2; }
#layer-rings{ z-index:3; display:flex; align-items:center; justify-content:center; }
#layer-glow{ z-index:0; }
#layer-grid{ z-index:1; }

.starfield{ position:absolute; inset:0; }
.star{
  position:absolute;
  background: var(--star);
  border-radius: 50%;
}
.star.tw{ animation: twinkle 4.2s ease-in-out infinite; }
@keyframes twinkle{ 0%,100%{opacity:.25} 50%{opacity:1} }

.sunrise-glow{
  position:absolute;
  left:50%; bottom:-30%;
  transform: translateX(-50%);
  width: 1400px; height: 1400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,39,.35) 0%, rgba(184,56,42,.16) 38%, rgba(184,56,42,0) 70%);
}

.orbit-rings{ position:relative; width: 560px; height: 560px; max-width: 90vw; opacity:.9; }
.orbit-rings svg{ width:100%; height:100%; }
.orbit-ring{ fill:none; stroke: rgba(159,176,194,.35); stroke-dasharray: 2 6; }
.orbit-ring.solid{ stroke: rgba(201,162,39,.4); stroke-dasharray:none; }
.orbit-sat{ transform-origin: 300px 300px; animation: orbit-spin linear infinite; }
.orbit-sat.s1{ animation-duration: 22s; }
.orbit-sat.s2{ animation-duration: 34s; animation-direction: reverse; }
.orbit-sat.s3{ animation-duration: 48s; }
@keyframes orbit-spin{ to{ transform: rotate(360deg); } }

.grid-floor{
  position:absolute; left:0; right:0; bottom:0; height: 46%;
  background-image:
    linear-gradient(rgba(159,176,194,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159,176,194,.14) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(420px) rotateX(62deg);
  transform-origin: bottom;
  -webkit-mask-image: linear-gradient(to top, black, transparent);
          mask-image: linear-gradient(to top, black, transparent);
}

.hero-content{
  position: relative;
  z-index: 5;
  width:100%;
  text-align:center;
  padding-top: 68px;
}
.hero h1{
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  text-transform: uppercase;
  margin: 0 auto .3em;
  max-width: 16ch;
  text-shadow: 0 2px 30px rgba(0,0,0,.5);
}
.hero h1 .accent{ color: var(--rust-bright); }
.hero-sub{
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing:.14em;
  text-transform: uppercase;
  color: var(--brass-bright);
  margin-bottom: 30px;
}
.hero-desc{
  max-width: 58ch;
  margin: 0 auto 40px;
  color: #cfc6ad;
  font-size: 1.05rem;
}
.scroll-cue{
  position:absolute;
  bottom: 34px; left:50%; transform:translateX(-50%);
  z-index:5;
  display:flex; flex-direction:column; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing:.2em;
  color: var(--steel); text-transform:uppercase;
}
.scroll-cue .stick{
  width:1px; height: 34px;
  background: linear-gradient(var(--brass-bright), transparent);
  animation: cue-pulse 1.8s ease-in-out infinite;
}
@keyframes cue-pulse{ 0%,100%{opacity:.2} 50%{opacity:1} }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  text-decoration:none;
  padding: 13px 24px;
  border: 1px solid var(--brass-bright);
  color: var(--brass-bright);
  transition: all .2s ease;
}
.btn:hover{ background: var(--brass-bright); color: var(--void); }
.btn.solid{ background: var(--brass-bright); color: var(--void); }
.btn.solid:hover{ background: var(--brass); }
.btn.rust{ border-color: var(--rust-bright); color: var(--rust-bright); }
.btn.rust:hover{ background: var(--rust-bright); color: var(--paper); }

/* ---------- Sections generic ---------- */
main{ position:relative; z-index:2; background: var(--void); }
.section{ padding: 108px 0; position:relative; }
.section.tight{ padding: 72px 0; }
.section-head{ max-width: 760px; margin-bottom: 56px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section h2{ font-size: clamp(1.9rem, 3.6vw, 2.9rem); text-transform:uppercase; }
.section-alt{ background: var(--void-2); border-top: 1px solid var(--panel-line); border-bottom: 1px solid var(--panel-line); }

.divider{
  height:1px;
  background: repeating-linear-gradient(90deg, var(--panel-line) 0 8px, transparent 8px 14px);
  margin: 0;
}

/* feature rows (image/text alternating, on scroll parallax float) */
.feature-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items:center;
  margin-bottom: 96px;
}
.feature-row:last-child{ margin-bottom:0; }
.feature-row.reverse{ direction: rtl; }
.feature-row.reverse > *{ direction: ltr; }
.feature-figure{
  position:relative;
  aspect-ratio: 4/3;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  overflow:hidden;
}
.feature-figure svg{ width:100%; height:100%; }
.feature-figure .cap{
  position:absolute; left:0; right:0; bottom:0;
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing:.1em;
  color: var(--steel);
  padding: 10px 14px;
  background: linear-gradient(to top, rgba(0,0,0,.55), transparent);
  text-transform:uppercase;
}
.feature-body h3{
  font-size: 1.5rem;
  color: var(--star);
  text-transform: uppercase;
}
.feature-body .tag-row{ display:flex; gap:8px; flex-wrap:wrap; margin-top: 18px; }
.tag{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding: 5px 10px;
  border: 1px solid var(--panel-line);
  color: var(--steel);
}

/* ---------- Stamp component ---------- */
.stamp{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color: var(--rust-bright);
  border: 1.5px solid var(--rust-bright);
  padding: 4px 9px;
  transform: rotate(-3deg);
  border-radius: 1px;
}
.stamp.brass{ color: var(--brass-bright); border-color: var(--brass-bright); }
.stamp.teal{ color: var(--teal); border-color: var(--teal); }

/* ---------- Cards grid (Примеры) ---------- */
.card-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 26px;
}
.card{
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper-2);
  display:flex;
  flex-direction:column;
  position:relative;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
}
.card:hover{ transform: translateY(-6px); box-shadow: 0 24px 46px rgba(0,0,0,.35); }
.card-media{
  aspect-ratio: 16/11;
  background: linear-gradient(160deg, #1a2233, #0d1220);
  position:relative;
  overflow:hidden;
  border-bottom: 1px solid var(--paper-2);
}
.card-media svg{ width:100%; height:100%; }
.card-index{
  position:absolute; top:10px; left:10px;
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing:.08em;
  color: var(--brass-bright);
  background: rgba(10,14,23,.72);
  padding: 3px 8px;
}
.card-kind{
  position:absolute; top:10px; right:10px;
  font-family: var(--font-mono);
  font-size: 9.5px; letter-spacing:.1em; text-transform:uppercase;
  color: var(--void);
  background: var(--steel);
  padding: 3px 8px;
}
.card-body{ padding: 20px 22px 24px; flex:1; display:flex; flex-direction:column; }
.card-body h3{
  font-family: var(--font-display);
  font-size: 1.05rem;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: .4em;
}
.card-body .sub{
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing:.06em; text-transform:uppercase;
  color: var(--ink-soft);
  margin-bottom: 12px;
}
.card-body p{ color: #3a3223; font-size: .95rem; margin-bottom: 14px; flex:1; }
.card-foot{
  display:flex; justify-content:space-between; align-items:center;
  border-top: 1px dashed var(--paper-2);
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing:.06em; text-transform:uppercase;
  color: var(--ink-soft);
}

/* ---------- Opinions / articles (Кремнёвые мнения) ---------- */
.epoch-nav{
  display:flex; flex-wrap:wrap; gap:10px;
  margin-bottom: 46px;
}
.epoch-nav button{
  font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing:.08em; text-transform:uppercase;
  background: transparent;
  border: 1px solid var(--panel-line);
  color: var(--steel);
  padding: 9px 14px;
  cursor:pointer;
  transition: all .2s ease;
}
.epoch-nav button:hover{ border-color: var(--brass-bright); color: var(--star); }
.epoch-nav button.on{ background: var(--brass-bright); border-color: var(--brass-bright); color: var(--void); }

.article-list{
  display:flex;
  flex-direction:column;
  gap: 22px;
}
.article{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  border: 1px solid var(--panel-line);
  background: var(--panel);
  overflow:hidden;
}
.article-media{ position:relative; background:#0a0e17; }
.article-media svg{ width:100%; height:100%; }
.article-main{ padding: 26px 30px; }
.article-meta{
  display:flex; gap:14px; align-items:center; flex-wrap:wrap;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing:.08em; text-transform:uppercase;
  color: var(--steel);
  margin-bottom: 10px;
}
.article-meta .num{ color: var(--brass-bright); }
.article h3{
  font-size: 1.28rem;
  text-transform: none;
  color: var(--star);
  margin-bottom: .32em;
}
.article p{ font-size: .96rem; }
.article-foot{ display:flex; justify-content:space-between; align-items:center; margin-top: 14px; }

/* Epoch visual variants — "стилистические переходы" */
.epoch-1{ --e-accent: var(--brass-bright); }
.epoch-1 .article{ border-left: 4px solid var(--brass-bright); }
.epoch-1 .article-meta{ color: var(--brass-bright); }

.epoch-2{ --e-accent: var(--rust-bright); }
.epoch-2 .article{ border-left: 4px solid var(--rust-bright); background: linear-gradient(180deg, var(--panel), #1a1018); }
.epoch-2 .article h3{ font-family: var(--font-display); text-transform:uppercase; font-size:1.1rem; }

.epoch-3{ --e-accent: var(--teal); }
.epoch-3 .article{ border-left: 4px solid var(--teal); }
.epoch-3 .article-main{ font-family: var(--font-mono); }
.epoch-3 .article h3{ font-family: var(--font-mono); font-weight:700; letter-spacing:.02em; }
.epoch-3 .article p{ font-size:.9rem; color:#b9c7c4; }

.epoch-4{ --e-accent: var(--steel); }
.epoch-4 .article{ border-left: 4px solid var(--steel); filter: saturate(.75); }
.epoch-4 .article::after{
  content:"СИГНАЛ НЕСТАБИЛЕН";
  position:absolute;
}

/* ---------- Attention page ---------- */
.attn-hero{
  min-height: 100vh;
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  position:relative;
  overflow:hidden;
  background:
    repeating-linear-gradient(-45deg, rgba(184,56,42,.09) 0 22px, rgba(184,56,42,0) 22px 44px),
    radial-gradient(circle at 50% 30%, #1a0f0d 0%, var(--void) 65%);
}
.attn-hero .wrap{ position:relative; z-index:2; max-width: 760px; }
.attn-badge{
  width: 130px; height: 130px;
  margin: 0 auto 30px;
}
.attn-hero h1{
  font-size: clamp(2rem, 5vw, 3.4rem);
  color: var(--rust-bright);
  text-transform:uppercase;
}
.attn-box{
  text-align:left;
  background: var(--panel);
  border: 1px solid var(--rust);
  padding: 26px 30px;
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: .92rem;
  color: #dccfc6;
}
.attn-box li{ margin-bottom: 10px; }
.attn-box ul{ padding-left: 20px; margin:0; }

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid var(--panel-line);
  padding: 46px 0 60px;
  background: var(--void-2);
}
.foot-row{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: 18px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing:.06em; text-transform:uppercase; color: var(--steel);
}
.foot-row a{ text-decoration:none; color:var(--steel); }
.foot-row a:hover{ color: var(--brass-bright); }

/* ---------- Scroll reveal ---------- */
[data-reveal]{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1);
}
[data-reveal].is-visible{ opacity: 1; transform: none; }
[data-reveal="left"]{ transform: translateX(-32px); }
[data-reveal="left"].is-visible{ transform:none; }
[data-reveal="right"]{ transform: translateX(32px); }
[data-reveal="right"].is-visible{ transform:none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .feature-row{ grid-template-columns: 1fr; gap: 30px; }
  .feature-row.reverse{ direction: ltr; }
  .article{ grid-template-columns: 1fr; }
  .article-media{ aspect-ratio: 16/8; }
}
@media (max-width: 720px){
  .nav{
    position:fixed; top:68px; left:0; right:0;
    flex-direction:column; align-items:stretch;
    background: rgba(10,14,23,.98);
    border-bottom: 1px solid var(--panel-line);
    padding: 8px 20px 18px;
    transform: translateY(-130%);
    transition: transform .25s ease;
  }
  .nav.open{ transform: translateY(0); }
  .nav a{ padding: 13px 4px; border-bottom: 1px solid var(--panel-line); }
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px;
    background:none; border:none; cursor:pointer; padding:8px;
  }
  .nav-toggle span{ width:22px; height:2px; background: var(--star); display:block; }
  .card-grid{ grid-template-columns: 1fr; }
}