/* ==========================================================================
   DevStudioRBX – Home page
   Требует design-system.css (токены и базовые компоненты).
   ========================================================================== */

/* --- Header --- */
header {
  position: sticky;
  top: env(safe-area-inset-top, 0);
  z-index: 40;
  background: transparent;
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease;
}
/* Фон и разделитель появляются после начала скролла */
header.scrolled,
header.nav-open {
  background: rgba(10, 11, 14, 0.72);
  border-bottom-color: var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  min-height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}
.brand .logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  overflow: hidden;
  flex: 0 0 auto;
}
.brand h1 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand .pill {
  padding: 0.22rem 0.65rem;
  font-size: 0.78rem;
}
.menu {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}
.menu a {
  color: var(--text-secondary);
  font-size: 0.93rem;
  font-weight: 500;
  transition: color 0.18s ease;
}
.menu a:hover {
  color: var(--text);
}
.menu .btn {
  min-height: 38px;
  padding: 0.45rem 1.05rem;
  font-size: 0.9rem;
}
.menu-toggle {
  display: none;
}
.mobile-nav {
  display: none;
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: clamp(64px, 10vw, 112px) 0 0;
  text-align: center;
}
/* Мягкое акцентное свечение за hero-контентом */
.hero::before {
  content: "";
  position: absolute;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  width: min(920px, 92vw);
  height: 520px;
  background: radial-gradient(closest-side, rgba(53, 111, 238, 0.14), transparent 72%);
  pointer-events: none;
}
.hero > .wrap {
  position: relative;
}
.hero-inner {
  max-width: 780px;
  margin: 0 auto;
}
.hero .display {
  margin: var(--sp-4) 0 0;
}
.hero .lead {
  max-width: 560px;
  margin: var(--sp-4) auto 0;
}
.hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: var(--sp-6);
}
.btn-roblox img {
  width: 18px;
  height: 18px;
  filter: invert(1);
}
/* Главный CTA чуть «светится» – усиливает иерархию действий */
.hero-cta .btn-primary {
  box-shadow: 0 10px 30px rgba(53, 111, 238, 0.32);
}

/* --- Stats strip --- */
.stats {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 0;
  margin-top: var(--sp-7);
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0 clamp(20px, 4vw, 44px);
}
.stat + .stat {
  border-left: 1px solid var(--border);
}
.stat b {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.stat small {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  white-space: nowrap;
}

@keyframes count-bump {
  0% {
    transform: translateY(0);
  }
  35% {
    transform: translateY(-2px);
  }
  100% {
    transform: translateY(0);
  }
}
#online-count.count-bump {
  animation: count-bump 0.35s ease;
}

/* --- Showcase slider --- */
.showcase {
  margin-top: var(--sp-7);
}
.slider {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  background: var(--surface);
}
.viewport {
  width: 100%;
  aspect-ratio: 16 / 9;
}
.track {
  display: flex;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.slide .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 58%, rgba(0, 0, 0, 0.62) 100%);
}
.caption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 34px;
  text-align: left;
}
.cap-title {
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: clamp(1rem, 2.4vw, 1.3rem);
  color: #fff;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
}
.cap-sub {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  margin-top: 2px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: rgba(10, 11, 14, 0.55);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 1.15rem;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s ease, background 0.2s ease;
}
.slider:hover .nav-btn,
.nav-btn:focus-visible {
  opacity: 1;
}
.nav-btn:hover {
  background: rgba(10, 11, 14, 0.8);
}
.prev {
  left: 12px;
}
.next {
  right: 12px;
}
@media (hover: none) {
  .nav-btn {
    opacity: 1;
  }
}

.dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 5px;
  display: flex;
  justify-content: center;
  gap: 0;
}
/* Кнопка 22px (touch target), видимая точка – 7px через ::after */
.dot {
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.dot::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.38);
  transition: background 0.2s ease, transform 0.2s ease;
}
.dot:hover::after {
  background: rgba(255, 255, 255, 0.65);
}
.dot.active::after {
  background: #fff;
  transform: scale(1.25);
}

/* --- Section headers --- */
.section-head {
  max-width: 640px;
  margin-bottom: var(--sp-6);
}
.section-head .lead {
  margin-top: var(--sp-3);
}

/* --- «О проекте»: сцена – арт из игры, контент поверх --- */
.stage {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  background: #0b0c10;
}
.stage-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 100%;
  /* Углубляем кроп: флаги и лого баннера гарантированно за кадром */
  transform: scale(1.22);
  transform-origin: 50% 100%;
}
/* Слева сплошной фон под контент, вправо – проявляется арт */
.stage-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #0b0c10 44%, rgba(11, 12, 16, 0.5) 66%, rgba(11, 12, 16, 0.1) 100%);
}
.stage-content {
  position: relative;
  width: min(600px, 58%);
  padding: clamp(32px, 4.5vw, 56px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.stage-lead {
  margin: var(--sp-4) 0 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
}
.stage-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4) var(--sp-5);
  width: 100%;
  margin: var(--sp-5) 0 0;
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.stage-facts dt {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}
.stage-facts dd {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 500;
}
.stage-facts .status-dot {
  margin-right: 7px;
}
.stage-facts b {
  font-weight: 600;
}
.stage-cta {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: var(--sp-6);
}

/* --- «Возможности»: нумерованный список --- */
.featlist {
  border-top: 1px solid var(--border);
}
.js .featlist .reveal:nth-child(2) {
  transition-delay: 0.07s;
}
.js .featlist .reveal:nth-child(3) {
  transition-delay: 0.14s;
}
.featrow {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--sp-5);
  align-items: baseline;
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--border);
}
.featnum {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: rgba(255, 255, 255, 0.16);
  transition: color 0.25s ease;
}
.featrow:hover .featnum {
  color: var(--accent-text);
}
.featrow h4 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.012em;
}
.featrow p {
  margin: 6px 0 0;
  max-width: 620px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --- Финальный CTA --- */
.finale {
  position: relative;
  text-align: center;
  padding: var(--sp-7) var(--sp-5);
}
.finale::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(760px, 92vw);
  height: 380px;
  background: radial-gradient(closest-side, rgba(53, 111, 238, 0.13), transparent 72%);
  pointer-events: none;
}
.finale > * {
  position: relative;
}
.finale .lead {
  max-width: 520px;
  margin: var(--sp-3) auto 0;
}
.finale-cta {
  display: flex;
  justify-content: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: var(--sp-6);
}
.finale-cta .btn-primary {
  box-shadow: 0 10px 30px rgba(53, 111, 238, 0.32);
}

/* --- Footer --- */
footer {
  margin-top: var(--sp-9);
  padding: var(--sp-6) 0 var(--sp-7);
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 0.9rem;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  padding-bottom: var(--sp-5);
  margin-bottom: var(--sp-5);
  border-bottom: 1px solid var(--border);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-brand .logo {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  overflow: hidden;
  flex: 0 0 auto;
}
.footer-brand b {
  display: block;
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.footer-brand small {
  display: block;
  margin-top: 2px;
  font-size: 0.82rem;
  color: var(--text-tertiary);
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.footer-social a:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
}
.footer-social img {
  width: 17px;
  height: 17px;
  filter: invert(62%);
  transition: filter 0.2s ease;
}
.footer-social a:hover img {
  filter: invert(90%);
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--text-tertiary);
  transition: color 0.18s ease;
}
.footer-links a:hover {
  color: var(--text);
}

/* --- Auth modal --- */
.auth {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  place-items: center;
  padding: var(--sp-5);
  background: rgba(6, 7, 10, 0.66);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.auth.show {
  display: grid;
  animation: fadeIn 0.2s ease;
}
.auth-card {
  position: relative;
  width: min(420px, 100%);
  border-radius: var(--r-lg);
  padding: var(--sp-6) var(--sp-5) var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
}
.auth-title {
  margin: 0 0 var(--sp-5);
  text-align: center;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.auth-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  border: none;
  background: var(--surface-2);
  color: var(--text-secondary);
  transition: background 0.18s ease, color 0.18s ease;
}
.auth-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}
.provider-btn {
  width: 100%;
  min-height: 50px;
  border-radius: var(--r-md);
  font-size: 1rem;
  font-weight: 500;
}
.provider-btn + .provider-btn {
  margin-top: var(--sp-3);
}
.provider-btn img {
  width: 20px;
  height: 20px;
}
.provider-discord {
  background: var(--discord);
  color: #fff;
}
.provider-discord:hover {
  background: #6b76f3;
}
.provider-discord img {
  filter: invert(1);
}
.provider-roblox {
  background: #fff;
  color: #0a0b0e;
}
.provider-roblox:hover {
  background: #e8eaef;
}
.provider-btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}
.soon-chip {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--r-full);
  background: rgba(10, 11, 14, 0.12);
}
.auth-note {
  margin: var(--sp-5) 0 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* --- Notice banner (voting) --- */
.notice-banner {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  width: min(340px, calc(100vw - 32px));
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-4);
  animation: slideInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.notice-banner.show {
  display: block;
}
.notice-wrap {
  position: relative;
}
.notice-content {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  color: var(--text);
}
.notice-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent-text);
}
.notice-title {
  font-weight: 600;
  font-size: 0.98rem;
}
.notice-text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.5;
  color: var(--text-secondary);
}
.notice-content .btn {
  margin-top: var(--sp-2);
  width: 100%;
  min-height: 40px;
  font-size: 0.9rem;
}
.notice-close {
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
  z-index: 2;
}
.notice-close:hover {
  background: var(--surface-2);
  color: var(--text);
}
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes navDrop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .featrow {
    grid-template-columns: 56px 1fr;
    gap: var(--sp-4);
  }
  .featnum {
    font-size: 1.5rem;
  }
  .section {
    padding-top: var(--sp-8);
  }
}
@media (max-width: 700px) {
  /* Сцена вертикально: арт как приглушённый фон за контентом */
  .stage-bg {
    object-position: 62% 50%;
  }
  .stage-scrim {
    background: linear-gradient(180deg, rgba(11, 12, 16, 0.68) 0%, rgba(11, 12, 16, 0.88) 42%, #0b0c10 74%);
  }
  .stage-content {
    width: 100%;
  }
}
@media (max-width: 560px) {
  .menu a {
    display: none;
  }
  .brand .pill {
    display: none;
  }
  .menu {
    gap: var(--sp-2);
  }
  .menu-toggle {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
  }
  .menu-toggle:hover {
    background: var(--surface);
  }
  .menu-toggle .ic-close {
    display: none;
  }
  .nav-open .menu-toggle .ic-burger {
    display: none;
  }
  .nav-open .menu-toggle .ic-close {
    display: block;
  }
  .mobile-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0d0f13;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 4px 24px 8px;
  }
  .nav-open .mobile-nav {
    display: block;
    animation: navDrop 0.22s ease;
  }
  .mobile-nav a {
    display: block;
    padding: 13px 2px;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid var(--border);
  }
  .mobile-nav a:last-child {
    border-bottom: none;
  }
  .stat {
    padding: 0 14px;
  }
  .hero-cta .btn {
    flex: 1 1 100%;
  }
  .stage-facts {
    grid-template-columns: 1fr;
    gap: var(--sp-3);
  }
  .stage-cta .btn {
    flex: 1 1 100%;
  }
  .caption {
    bottom: 30px;
  }
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 380px) {
  .stat {
    padding: 0 10px;
  }
  .stat b {
    font-size: 1.02rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .track,
  .auth.show,
  .notice-banner,
  .linkcard,
  .linkcard .chev,
  .nav-btn,
  .dot::after,
  .nav-open .mobile-nav,
  header {
    transition: none;
    animation: none;
  }
  #online-count.count-bump {
    animation: none;
  }
}