/* ===== ABOUT PAGE — SECTION 1 ===== */
.about-intro{
  position: relative;
  overflow: visible;
  border-top: 1px solid rgba(199,255,61,.12);
}

/* section-bounded neon swirl background */
.about-intro .about-bg{
  position: absolute;
  left: 50%; transform: translateX(-50%);
  top: -12px; height: calc(100% + 24px);
  width: 100vw; z-index: -1; pointer-events: none; overflow: hidden;
}
.about-intro .about-bg::before{
  content:"";
  position:absolute; inset:0;
  background:
    conic-gradient(from 0deg at 60% 40%, rgba(125,92,255,.15), rgba(199,255,61,.12), rgba(125,92,255,.15)),
    radial-gradient(900px 560px at 18% 12%, rgba(125,92,255,.18), transparent 60%),
    radial-gradient(900px 560px at 82% 88%, rgba(199,255,61,.12), transparent 60%);
  mix-blend-mode: screen;
  opacity: .7;
  animation: aboutSwirl 28s linear infinite;
}
.about-intro .about-bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, var(--bg) 0 72px,
      rgba(11,13,18,0) 140px,
      rgba(11,13,18,0) calc(100% - 140px),
      var(--bg) 100%);
}
@keyframes aboutSwirl{
  from{ transform: rotate(0deg); }
  to  { transform: rotate(360deg); }
}

/* layout */
.about-grid{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items: start;
}
.about-head{ grid-column: 1 / -1; text-align: left; }
.about-title{
  margin: 0 0 6px;
  font-family: Sora, Inter, sans-serif;
  font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem);
  letter-spacing: .5px;
  text-shadow:
    0 0 12px rgba(199,255,61,.32),
    0 0 22px rgba(125,92,255,.25);
}
.about-kicker{ margin: 0; color: var(--muted); }

.about-copy p{ margin: 10px 0; color: var(--muted); }
.about-list{
  margin: 12px 0 16px; padding-left: 18px; color: var(--muted);
}
.about-cta{ display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* media column */
.about-media{
  display: grid; gap: 14px; align-content: start;
}
.about-fig{ margin: 0; display: grid; place-items: center; }
.a-float{
  border-radius: 14px;
  box-shadow: 0 6px 22px rgba(0,0,0,.35);
  animation: aFloat 5.4s cubic-bezier(.2,.8,.2,1) infinite;
  animation-play-state: paused; /* включаем при видимости секции */
}
.a-float.delay{ animation-delay: 1s; }
@keyframes aFloat{
  0%   { transform: translateY(0) rotate(-.3deg); }
  50%  { transform: translateY(-9px) rotate(.3deg); }
  100% { transform: translateY(0) rotate(-.3deg); }
}

/* включаем анимации, когда секция попала во вьюпорт */
.about-intro.is-visible .a-float{ animation-play-state: running; }

/* responsive */
@media (max-width: 991px){
  .about-grid{ grid-template-columns: 1fr; }
  .about-head{ text-align: center; }
  .about-cta{ justify-content: center; }
}
/* ===== ABOUT — SECTION 2: CRAFT & TECH ===== */
.craft-tech{
  position: relative;
  overflow: visible;
  border-top: 1px solid rgba(199,255,61,.12);
}

/* section-bounded backdrop with subtle grid + glow */
.craft-tech .ct-bg{
  position: absolute;
  left: 50%; transform: translateX(-50%);
  top: -12px; height: calc(100% + 24px);
  width: 100vw; z-index: -1; pointer-events: none; overflow: hidden;
}
.craft-tech .ct-bg::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(900px 560px at 18% 12%, rgba(125,92,255,.18), transparent 60%),
    radial-gradient(900px 560px at 82% 88%, rgba(199,255,61,.12), transparent 60%),
    linear-gradient(90deg,
      rgba(199,255,61,.07) 1px, transparent 1px) 0 0 / 18px 18px,
    linear-gradient(0deg,
      rgba(199,255,61,.07) 1px, transparent 1px) 0 0 / 18px 18px;
  mix-blend-mode: screen;
  opacity: .7;
  animation: ctDrift 36s linear infinite;
}
.craft-tech .ct-bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, var(--bg) 0 72px,
      rgba(11,13,18,0) 140px,
      rgba(11,13,18,0) calc(100% - 140px),
      var(--bg) 100%);
}
@keyframes ctDrift{
  from{ transform: translateX(0); }
  to  { transform: translateX(-240px); }
}

/* layout */
.ct-grid{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items: start;
}
.ct-head{
  grid-column: 1 / -1;
  text-align: left;
  margin-bottom: 4px;
}
.ct-head h2{
  margin: 0 0 8px;
  font-family: Sora, Inter, sans-serif;
  font-size: clamp(1.4rem, 1.1rem + 1.3vw, 2.1rem);
  text-shadow:
    0 0 10px rgba(199,255,61,.22),
    0 0 18px rgba(125,92,255,.18);
}
.ct-sub{ margin: 0; color: var(--muted); }

/* timeline */
.ct-steps{
  position: relative;
  list-style: none; margin: 18px 0 0; padding: 0;
  display: grid; gap: 14px;
}
.ct-steps::before{
  /* pulse line */
  content:"";
  position: absolute; left: 14px; top: 0; bottom: 0;
  width: 2px; border-radius: 2px;
  background: linear-gradient(180deg, rgba(125,92,255,.55), rgba(199,255,61,.55));
  opacity: .45;
}
.ct-step{
  position: relative;
  display: grid; grid-template-columns: 96px 1fr; gap: 14px; align-items: center;
  background: linear-gradient(180deg, rgba(16,20,30,.85), rgba(16,20,30,.92));
  border: 1px solid rgba(199,255,61,.18);
  border-radius: var(--radius);
  padding: 12px 12px 12px 22px;
  box-shadow: var(--shadow);
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.ct-step:hover,
.ct-step:focus-within{ transform: translateY(-3px); border-color: rgba(199,255,61,.32); }

/* step dot with pulse */
.ct-step::before{
  content:"";
  position: absolute; left: 6px; top: 18px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(199,255,61,.45);
  transform: translateZ(0);
}
.ct-step.is-visible::before{
  animation: ctPulse 1.8s ease-out infinite;
}
@keyframes ctPulse{
  0%   { box-shadow: 0 0 0 0 rgba(199,255,61,.45); }
  70%  { box-shadow: 0 0 0 14px rgba(199,255,61,0); }
  100% { box-shadow: 0 0 0 0 rgba(199,255,61,0); }
}

/* media & icons */
.ct-media{ width: 96px; display: grid; place-items: center; }
.ct-icon{
  border-radius: 12px;
  box-shadow: 0 6px 22px rgba(0,0,0,.35);
  animation: ctIcon 6s ease-in-out infinite;
  animation-play-state: paused; /* включаем при .is-visible */
}
@keyframes ctIcon{
  0%,100%{ transform: rotate(-.6deg) }
  50%    { transform: rotate(.6deg) }
}
.ct-step.is-visible .ct-icon{ animation-play-state: running; }

.ct-copy h3{ margin: 2px 0 4px; font-size: 1.05rem; }
.ct-copy p{ margin: 0; color: var(--muted); }

/* aside */
.ct-aside{
  background: linear-gradient(180deg, rgba(16,20,30,.85), rgba(16,20,30,.92));
  border: 1px solid rgba(199,255,61,.18);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  align-self: start;
}
.ct-aside h3{ margin: 0 0 8px; font-size: 1.05rem; }
.ct-list{ margin: 0 0 12px; padding-left: 18px; color: var(--muted); }
.ct-cta{ display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* responsive */
@media (max-width: 991px){
  .ct-grid{ grid-template-columns: 1fr; }
  .ct-head{ text-align: center; }
  .ct-cta{ justify-content: center; }
}
@media (max-width: 575px){
  .ct-step{ grid-template-columns: 80px 1fr; }
  .ct-media{ width: 80px; }
}

/* motion preferences */
@media (prefers-reduced-motion: reduce){
  .craft-tech .ct-bg::before,
  .ct-step.is-visible::before,
  .ct-step .ct-icon{ animation: none !important; }
}
/* === FIX: about → craft-tech timeline media overlap === */

/* шире левая колонка и без "минимальной ширины" у контента */
.craft-tech .ct-step{
  grid-template-columns: 112px 1fr;   /* было: 96px 1fr */
  align-items: start;
}

/* медиа-ячейка строго ограничена, переполнение скрываем */
.craft-tech .ct-media{
  width: 100%;
  max-width: 112px;                   /* под новую ширину трека */
  min-width: 0;                       /* разрешаем сжиматься в grid */
  overflow: hidden;
}

/* текстовая часть тоже не "упирается" в min-content */
.craft-tech .ct-copy{ min-width: 0; }

/* изображение внутри медиа-ячейки всегда вписывается в ячейку */
.craft-tech .ct-media .img-compact{
  display: block;
  width: 100% !important;             /* переопределяем глобальное ограничение */
  max-width: 100% !important;
  height: auto;
  aspect-ratio: 1 / 1;                /* аккуратная квадратная миниатюра */
  object-fit: cover;                   /* если картинка прямоугольная — обрезаем лишнее */
  border-radius: 12px;
}

/* если картинка не загрузилась и виден alt-текст — не даём ему ломать сетку */
.craft-tech .ct-media img{
  font-size: 0;                        /* скрываем alt, но доступность останется через атрибут */
  line-height: 0;
}

/* мобильная подстройка: колонка медиа чуть меньше, но с теми же ограничениями */
@media (max-width: 575px){
  .craft-tech .ct-step{ grid-template-columns: 90px 1fr; }
  .craft-tech .ct-media{ max-width: 90px; }
}
/* ===== ABOUT — SECTION 3: ACCESSIBILITY & COMFORT ===== */
.access{
  position: relative;
  overflow: visible;
  border-top: 1px solid rgba(199,255,61,.12);
}

/* bounded glow/grid background */
.access .ac-bg{
  position: absolute; left: 50%; transform: translateX(-50%);
  top: -12px; height: calc(100% + 24px); width: 100vw;
  z-index: -1; pointer-events: none; overflow: hidden;
}
.access .ac-bg::before{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(125,92,255,.16), rgba(16,20,30,0) 40%),
    linear-gradient(90deg, rgba(199,255,61,.08) 1px, transparent 1px) 0 0/ 18px 18px,
    linear-gradient(0deg,  rgba(199,255,61,.08) 1px, transparent 1px) 0 0/ 18px 18px;
  opacity: .75; mix-blend-mode: screen;
  animation: acDrift 32s linear infinite;
}
.access .ac-bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, var(--bg) 0 72px,
      rgba(11,13,18,0) 140px,
      rgba(11,13,18,0) calc(100% - 140px),
      var(--bg) 100%);
}
@keyframes acDrift{ from{ transform: translateX(0); } to{ transform: translateX(-220px); } }

.ac-head{ text-align:center; margin-bottom: 18px; }
.ac-head h2{
  margin:0 0 8px;
  font-family: Sora, Inter, sans-serif;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem);
  text-shadow: 0 0 10px rgba(199,255,61,.22), 0 0 18px rgba(125,92,255,.18);
}
.ac-sub{ margin:0; color: var(--muted); }

/* grid of features */
.ac-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px; margin-top: 18px;
}
@media (max-width: 1199px){ .ac-grid{ grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (max-width: 991px){ .ac-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 575px){ .ac-grid{ grid-template-columns: 1fr; } }

.ac-card{
  position: relative;
  background: linear-gradient(180deg, rgba(16,20,30,.85), rgba(16,20,30,.92));
  border: 1px solid rgba(199,255,61,.18);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
  outline: none;
}
.ac-card:hover,
.ac-card:focus-within{ transform: translateY(-3px); border-color: rgba(199,255,61,.32); }

/* focus halo sweep (keyboard friendly) */
.ac-card:focus-within::after{
  content:""; position:absolute; inset: -2px; border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(90deg, rgba(199,255,61,.0), rgba(199,255,61,.6), rgba(199,255,61,.0));
  filter: blur(10px);
  animation: acHalo .9s var(--ease);
}
@keyframes acHalo{ from{ opacity:0; transform: translateX(-30%);} to{ opacity:1; transform: translateX(0);} }

.ac-media{ display:grid; place-items:center; margin-bottom:10px; }
.ac-icon{ border-radius:14px; box-shadow: 0 6px 22px rgba(0,0,0,.35); }

/* Preferences demo (pure CSS) */
.ac-preferences{
  margin-top: 20px;
  display: grid; gap: 12px;
  background: linear-gradient(180deg, rgba(16,20,30,.85), rgba(16,20,30,.92));
  border: 1px solid rgba(199,255,61,.18);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.pref-form{
  display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center;
}
.pref-item{
  display: inline-flex; gap: 8px; align-items: center;
  color: var(--text);
}
.pref-item input{
  width: 18px; height: 18px; border-radius: 4px; accent-color: var(--accent);
}
.pref-help{ margin: 0; color: var(--muted); flex-basis: 100%; }

.pref-demo{
  --demo-bg: linear-gradient(180deg, rgba(125,92,255,.18), rgba(199,255,61,.12));
  --demo-dot: var(--accent);
  --demo-speed: 2.4s;
  position: relative;
  border: 1px solid rgba(199,255,61,.28);
  border-radius: 14px;
  padding: 14px;
}
.demo-track{
  position: relative; height: 12px; border-radius: 999px;
  background: var(--demo-bg); overflow: hidden;
}
.demo-progress{
  position: absolute; inset: 0;
  transform-origin: left center;
  transform: scaleX(1);
  background: linear-gradient(90deg, var(--accent), rgba(199,255,61,.2));
  filter: drop-shadow(0 0 8px var(--ring));
  opacity: .35;
}
.demo-runner{
  position: absolute; top: 50%; left: -8px; width: 12px; height: 12px;
  border-radius: 50%; transform: translateY(-50%);
  background: var(--demo-dot);
  box-shadow: 0 0 14px rgba(199,255,61,.6);
  animation: demoRun var(--demo-speed) linear infinite;
}
@keyframes demoRun{ from{ left: -8px; } to{ left: calc(100% - 4px); } }
.demo-note{ margin: 10px 0 0; color: var(--muted); font-size: .95rem; }

/* CSS-тогглы через :has() — работает при неизменённой разметке */
.ac-preferences:has(#pref-motion:checked) .demo-runner{ animation: none; }
.ac-preferences:has(#pref-motion:checked) .demo-progress{ opacity: .6; }

.ac-preferences:has(#pref-contrast:checked) .pref-demo{
  --demo-bg: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.22));
  --demo-dot: #fff;
  border-color: rgba(255,255,255,.6);
}
.ac-preferences:has(#pref-contrast:checked) .pref-demo .demo-runner{
  box-shadow: 0 0 10px rgba(255,255,255,.8);
}

/* Фоллбэк-классы для браузеров без :has() — их выставит JS */
.pref-demo.pref-reduce .demo-runner{ animation: none; }
.pref-demo.pref-reduce .demo-progress{ opacity: .6; }
.pref-demo.pref-contrast{
  --demo-bg: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.22));
  --demo-dot: #fff;
  border-color: rgba(255,255,255,.6);
}
.pref-demo.pref-contrast .demo-runner{ box-shadow: 0 0 10px rgba(255,255,255,.8); }

#pref-contrast:checked ~ .pref-demo{
  --demo-bg: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.22));
  --demo-dot: #fff;
  border-color: rgba(255,255,255,.6);
}
#pref-contrast:checked ~ .pref-demo .demo-runner{
  box-shadow: 0 0 10px rgba(255,255,255,.8);
}

/* Respect OS motion preference globally in this demo */
@media (prefers-reduced-motion: reduce){
  .demo-runner{ animation: none !important; }
}

/* small tweaks */
@media (max-width: 575px){
  .pref-item input{ width: 16px; height: 16px; }
}
/* ===== ABOUT — SECTION 4: TEAM & CREDITS ===== */
.team{
  position: relative;
  overflow: visible;
  border-top: 1px solid rgba(199,255,61,.12);
}

/* section-confined backdrop */
.team .team-bg{
  position: absolute; left: 50%; transform: translateX(-50%);
  top: -12px; height: calc(100% + 24px); width: 100vw;
  z-index: -1; pointer-events: none; overflow: hidden;
}
.team .team-bg::before{
  content:""; position:absolute; inset:0;
  background:
    repeating-linear-gradient(90deg, rgba(199,255,61,.08) 0 2px, transparent 2px 16px),
    radial-gradient(900px 560px at 18% 12%, rgba(125,92,255,.18), transparent 60%),
    radial-gradient(900px 560px at 82% 88%, rgba(199,255,61,.12), transparent 60%);
  mix-blend-mode: screen; opacity: .7;
  animation: teamDrift 30s linear infinite;
}
.team .team-bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, var(--bg) 0 72px,
      rgba(11,13,18,0) 140px,
      rgba(11,13,18,0) calc(100% - 140px),
      var(--bg) 100%);
}
@keyframes teamDrift{ from{ transform: translateX(0);} to{ transform: translateX(-240px);} }

.team-head{ text-align: center; margin-bottom: 18px; }
.team-head h2{
  margin: 0 0 8px;
  font-family: Sora, Inter, sans-serif;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem);
  text-shadow: 0 0 10px rgba(199,255,61,.22), 0 0 18px rgba(125,92,255,.18);
}
.team-sub{ margin: 0; color: var(--muted); }

/* grid */
.team-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 18px;
}
@media (max-width: 1199px){ .team-grid{ grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (max-width: 991px){ .team-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 575px){ .team-grid{ grid-template-columns: 1fr; } }

.t-card{
  position: relative;
  background: linear-gradient(180deg, rgba(16,20,30,.85), rgba(16,20,30,.92));
  border: 1px solid rgba(199,255,61,.18);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.t-card:hover,
.t-card:focus-within{ transform: translateY(-3px); border-color: rgba(199,255,61,.32); }

.t-avatar{ margin: 0 0 10px; display:grid; place-items:center; position: relative; }
.t-avatar img{ border-radius: 50%; box-shadow: 0 6px 22px rgba(0,0,0,.35); max-width: 140px; }
/* orbit ring spins only when карточка видима */
.t-avatar::after{
  content:""; position:absolute; width: 160px; height:160px; border-radius: 50%;
  border: 1px dashed rgba(199,255,61,.35);
  box-shadow: inset 0 0 16px rgba(125,92,255,.22);
  opacity: .75; pointer-events: none;
  transform-origin: 50% 50%;
  animation: orbit 12s linear infinite; animation-play-state: paused;
}
.t-card.is-visible .t-avatar::after{ animation-play-state: running; }
@keyframes orbit{ from{ transform: rotate(0deg);} to{ transform: rotate(360deg);} }

.t-name{
  margin: 0 0 6px; font-size: 1.05rem; font-weight: 700;
  position: relative; display: inline-flex; gap: 8px; align-items: center;
}
/* signature underline that "draws" in */
.t-name::after{
  content:""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(199,255,61,.0));
  transform: scaleX(0); transform-origin: left center;
  transition: transform .9s var(--ease);
}
.t-card.is-visible .t-name::after{ transform: scaleX(1); }

.role-tag{
  padding: 2px 8px; border-radius: 999px; font-size: .85rem; font-weight: 700;
  background: rgba(16,20,30,.6);
  border: 1px solid rgba(199,255,61,.28);
  color: var(--text);
  animation: tagFloat 4.4s ease-in-out infinite; animation-play-state: paused;
}
.t-card.is-visible .role-tag{ animation-play-state: running; }
@keyframes tagFloat{
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-4px); }
}

.t-points{ margin: 8px 0 0; padding-left: 18px; color: var(--muted); }

/* credits board */
.credits-board{
  margin-top: 20px;
  background: linear-gradient(180deg, rgba(16,20,30,.85), rgba(16,20,30,.92));
  border: 1px solid rgba(199,255,61,.18);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.credits-title{ margin: 0 0 8px; font-size: 1.05rem; }
.credits-note{ margin: 0 0 10px; color: var(--muted); }

.credit-ticker{
  position: relative; overflow: hidden; border-radius: 12px;
  border: 1px solid rgba(199,255,61,.18);
  background: linear-gradient(180deg, rgba(125,92,255,.12), rgba(16,20,30,.0));
}
.ticker-line{
  display: inline-flex; gap: 22px; white-space: nowrap; padding: 8px 12px;
  animation: ticker 18s linear infinite; will-change: transform;
}
.ticker-line span{ color: var(--text); }
@keyframes ticker{
  from{ transform: translateX(0); }
  to  { transform: translateX(-50%); }
}

.team-cta{ margin-top: 12px; display: flex; flex-wrap: wrap; gap: 10px; }

/* motion preferences */
@media (prefers-reduced-motion: reduce){
  .team .team-bg::before,
  .t-avatar::after,
  .role-tag,
  .ticker-line{ animation: none !important; }
}
/* ===== ABOUT — SECTION 5: ROADMAP & UPDATES ===== */
.roadmap{
  position: relative;
  overflow: visible;
  border-top: 1px solid rgba(199,255,61,.12);
}

/* section-confined dashed road background */
.roadmap .rm-bg{
  position: absolute; left: 50%; transform: translateX(-50%);
  top: -12px; height: calc(100% + 24px); width: 100vw;
  z-index: -1; pointer-events: none; overflow: hidden;
}
.roadmap .rm-bg::before{
  content:""; position:absolute; inset:0;
  background:
    repeating-linear-gradient(90deg, rgba(199,255,61,.10) 0 2px, transparent 2px 14px),
    radial-gradient(900px 560px at 18% 12%, rgba(125,92,255,.18), transparent 60%),
    radial-gradient(900px 560px at 82% 88%, rgba(199,255,61,.12), transparent 60%);
  mix-blend-mode: screen; opacity: .65;
  animation: rmStripes 26s linear infinite;
}
.roadmap .rm-bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, var(--bg) 0 72px,
      rgba(11,13,18,0) 140px,
      rgba(11,13,18,0) calc(100% - 140px),
      var(--bg) 100%);
}
@keyframes rmStripes{ from{ transform: translateX(0);} to{ transform: translateX(-240px);} }

.rm-head{ text-align: center; margin-bottom: 18px; }
.rm-head h2{
  margin: 0 0 8px;
  font-family: Sora, Inter, sans-serif;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem);
  text-shadow: 0 0 10px rgba(199,255,61,.22), 0 0 18px rgba(125,92,255,.18);
}
.rm-sub{ margin: 0; color: var(--muted); }

/* milestones grid with connecting progress line */
.rm-grid{
  position: relative;
  counter-reset: step;
  list-style: none; margin: 18px 0 0; padding: 0;
  display: grid; gap: 18px;
  grid-template-columns: repeat(4, minmax(0,1fr));
}
@media (max-width: 1199px){ .rm-grid{ grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (max-width: 991px){ .rm-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 575px){ .rm-grid{ grid-template-columns: 1fr; } }

.rm-grid::before{
  /* progress line */
  content:""; position:absolute; left: 0; right: 0; top: -8px; height: 2px;
  background: linear-gradient(90deg, rgba(125,92,255,.5), rgba(199,255,61,.5));
  opacity: .4; border-radius: 2px;
}
.rm-grid::after{
  /* sweep showing current progress when секция видима */
  content:""; position:absolute; left: 0; top: -8px; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--accent), rgba(199,255,61,.2));
  box-shadow: 0 0 10px var(--ring);
  transition: width 1.2s var(--ease);
}
.roadmap.is-visible .rm-grid::after{ width: 72%; } /* визуально — достигли 3 из 4 вех */

.rm-card{
  position: relative;
  background: linear-gradient(180deg, rgba(16,20,30,.85), rgba(16,20,30,.92));
  border: 1px solid rgba(199,255,61,.18);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.rm-card:hover,
.rm-card:focus-within{ transform: translateY(-3px) rotate(-.2deg); border-color: rgba(199,255,61,.32); }

.rm-media{ display:grid; place-items:center; margin-bottom: 10px; }
.rm-icon{ border-radius: 14px; box-shadow: 0 6px 22px rgba(0,0,0,.35); }

/* milestone dot + number */
.rm-card::before{
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 12px; top: -14px;
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 700; font-size: .9rem; color: #0b0d12;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(199,255,61,.45), 0 0 14px rgba(199,255,61,.35);
}
.rm-card.is-visible::before{
  animation: rmPing 1.6s ease-out 1;
}
@keyframes rmPing{
  0%   { box-shadow: 0 0 0 0 rgba(199,255,61,.45), 0 0 14px rgba(199,255,61,.35); }
  70%  { box-shadow: 0 0 0 16px rgba(199,255,61,0), 0 0 18px rgba(199,255,61,.45); }
  100% { box-shadow: 0 0 0 0 rgba(199,255,61,0), 0 0 14px rgba(199,255,61,.35); }
}

/* changelog */
.rm-log{
  margin-top: 20px;
  background: linear-gradient(180deg, rgba(16,20,30,.85), rgba(16,20,30,.92));
  border: 1px solid rgba(199,255,61,.18);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.log-item{
  border: 1px solid rgba(199,255,61,.18);
  border-radius: 12px;
  background: rgba(16,20,30,.4);
  margin: 0 0 10px; overflow: clip;
}
.log-item[open]{ border-color: rgba(199,255,61,.32); }

.log-item summary{
  list-style: none; cursor: pointer; outline: none; padding: 12px 14px;
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px;
}
.log-item summary::-webkit-details-marker{ display: none; }
.log-item summary span{ font-weight: 700; }
.log-item summary time{ color: var(--muted); font-size: .95rem; }

/* chevron */
.log-item summary::after{
  content:""; justify-self: end; width: 10px; height: 10px;
  border-right: 2px solid var(--text); border-bottom: 2px solid var(--text);
  transform: rotate(-45deg); transition: transform var(--t-base) var(--ease);
}
.log-item[open] summary::after{ transform: rotate(45deg); }

.log-body{ padding: 0 14px 12px; color: var(--muted); }
.log-list{ margin: 8px 0 0; padding-left: 18px; }

.rm-cta{ margin-top: 8px; display: flex; flex-wrap: wrap; gap: 10px; }

/* motion preferences */
@media (prefers-reduced-motion: reduce){
  .roadmap .rm-bg::before,
  .rm-grid::after,
  .rm-card::before{ animation: none !important; transition: none !important; }
}