/* ============================================================
   Базовый слой: сброс, типографика, кнопки, панели, утилиты.
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Иначе авторский display:grid/flex перебивает атрибут hidden */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

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

body {
  font-family: var(--font-ui);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Фоновая аврора + лёгкая сетка на всём приложении */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--grad-aurora);
  z-index: -2;
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 10%, transparent 75%);
  z-index: -1;
  pointer-events: none;
}

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

button,
input,
select {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--gold-soft);
  color: #fff;
}

/* Скроллбар */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* ---------------- Типографика ---------------- */
h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.01em;
}
.display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-hero);
  line-height: 0.98;
  letter-spacing: -0.02em;
}
p {
  margin: 0;
}

.mono {
  font-family: var(--font-mono);
}

.text-gold {
  color: var(--gold);
}
.text-cyan {
  color: var(--cyan);
}
.text-dim {
  color: var(--text-dim);
}

.grad-text {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Надзаголовок (eyebrow) */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  opacity: 0.7;
}

/* ---------------- Кнопки ---------------- */
.btn {
  --b-bg: var(--glass);
  --b-fg: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border: 1px solid var(--stroke-strong);
  border-radius: var(--r-pill);
  background: var(--b-bg);
  color: var(--b-fg);
  font-weight: 600;
  font-size: var(--fs-body);
  letter-spacing: 0.01em;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-1) var(--ease),
    border-color var(--dur-2) var(--ease), background var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.btn:hover {
  transform: translateY(-2px);
  border-color: var(--stroke-strong);
}
.btn:active {
  transform: translateY(0);
}
.btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.btn-primary {
  --b-bg: var(--grad-gold);
  --b-fg: #1b1304;
  border-color: transparent;
  box-shadow: var(--glow-gold), var(--sh-md);
  font-weight: 700;
}
.btn-primary:hover {
  box-shadow: 0 0 60px rgba(232, 195, 106, 0.42), var(--sh-md);
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 20%,
    rgba(255, 255, 255, 0.55) 50%,
    transparent 80%
  );
  transform: translateX(-120%);
  transition: transform 0.9s var(--ease);
}
.btn-primary:hover::after {
  transform: translateX(120%);
}

.btn-ghost {
  background: transparent;
  border-color: var(--stroke);
}
.btn-ghost:hover {
  background: var(--glass-soft);
  border-color: var(--stroke-strong);
}

.btn-sm {
  padding: 9px 16px;
  font-size: var(--fs-sm);
}
.btn-lg {
  padding: 17px 34px;
  font-size: var(--fs-lead);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* ---------------- Панели / карточки ---------------- */
.panel {
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: var(--r-lg);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  box-shadow: var(--sh-md);
}
.panel-strong {
  background: var(--glass-strong);
}

/* бейдж / чип */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--stroke);
  background: var(--glass-soft);
  font-size: var(--fs-sm);
  color: var(--text-dim);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.chip .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

/* ---------------- Утилиты ---------------- */
.hidden {
  display: none !important;
}
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-page);
}
.stack {
  display: flex;
  flex-direction: column;
}
.row {
  display: flex;
  align-items: center;
}
.gap-sm {
  gap: 10px;
}
.gap-md {
  gap: 18px;
}
.gap-lg {
  gap: 30px;
}
.center {
  text-align: center;
}

/* ---------------- Splash (заставка загрузки) ---------------- */
#splash {
  position: fixed;
  inset: 0;
  z-index: var(--z-splash);
  display: grid;
  place-items: center;
  background: radial-gradient(120% 120% at 50% 40%, #0a0f1b 0%, #05070c 70%);
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
#splash.gone {
  opacity: 0;
  visibility: hidden;
}
.splash-inner {
  display: grid;
  place-items: center;
  gap: 22px;
}
.splash-logo {
  width: 118px;
  height: 118px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--glow-gold), var(--sh-lg);
  animation: splashPop 0.9s var(--ease) both;
}
.splash-ring {
  width: 190px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.splash-ring i {
  display: block;
  height: 100%;
  width: 40%;
  border-radius: 999px;
  background: var(--grad-gold);
  animation: splashBar 1.4s var(--ease) infinite;
}
.splash-title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-faint);
}
@keyframes splashPop {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes splashBar {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(360%);
  }
}

/* ---------------- Иконки (инлайн-плейсхолдеры i-NAME) ---------------- */
[class^="i-"] > svg,
[class*=" i-"] > svg {
  width: 1.15em;
  height: 1.15em;
  display: inline-block;
  vertical-align: -0.22em;
}
.btn > [class^="i-"],
.btn > [class*=" i-"] {
  display: inline-flex;
  align-items: center;
}
.quick-banner .qb-ic > svg,
.hub-card .hc-ic > svg,
.stage-id .st-ic > svg {
  width: 26px;
  height: 26px;
  vertical-align: middle;
}

/* ---------------- Reveal-анимации (motion.js) ---------------- */
[data-parallax] {
  will-change: transform;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease),
    filter 0.85s var(--ease);
  will-change: opacity, transform;
}
[data-reveal="fade"] {
  transform: none;
}
[data-reveal="left"] {
  transform: translateX(-40px);
}
[data-reveal="right"] {
  transform: translateX(40px);
}
[data-reveal="zoom"] {
  transform: scale(0.92);
}
[data-reveal="blur"] {
  filter: blur(14px);
  transition: opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease),
    filter var(--dur-3) var(--ease);
}
[data-reveal].in {
  opacity: 1;
  transform: none;
  filter: none;
}

/* Побуквенная анимация заголовка */
.char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em) rotate(4deg);
  animation: charIn 0.7s var(--ease) forwards;
  animation-delay: calc(var(--i) * 0.028s + 0.1s);
}
@keyframes charIn {
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Доступность: уважаем reduced-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}