/* =========================
   ROOT: ВСЕ НАСТРОЙКИ
========================= */

:root {
  --scene-width: 1920px;
  --scene-height: 1080px;

  /* ФОНЫ */
  --bg-main-image: url("bg_monady_main.png");
  --bg-about-image: url("bg_monady_about.png");
  --bg-chart-image: url("bg_monady_chart.png");

  /* NAV (верх слева) */
  --nav-top: 24px;
  --nav-left: 30px;
  --nav-gap: 28px;
  --nav-font-size: 35px;

  /* ЛОГО НА ГЛАВНОЙ */
  --main-logo-top: 450px;
  --main-logo-left: 50%;
  --main-logo-width: 800px;

  /* CONTRACT ADDRESS */
  --ca-top-offset: 200px;    /* отступ вниз от логотипа */
  --ca-font-size: 30px;

  /* ABOUT PAGE: логотип */
  --about-logo-top: 35px;
  --about-logo-left: 34px;
  --about-logo-width: 220px;

  /* ABOUT PAGE: персонаж */
  --about-character-top: 365px;
  --about-character-left: 10%;
  --about-character-width: 500px;

  /* ABOUT PAGE: текстовый блок */
  --about-block-top: 190px;          /* базовый отступ сверху */
  --about-text-block-width: 70%;     /* ширина блока текста ABOUT */

  /* СМЕЩЕНИЕ ТЕКСТОВОГО БЛОКА ABOUT */
  --about-block-offset-x: 350px;     /* + вправо, - влево */
  --about-block-offset-y: 0px;       /* + вниз, - вверх */

  --about-title-font-size: 60px;
  --about-text-font-size: 15px;

  /* ABOUT ME */
  --about-me-top-offset: 220px;      /* от верха блока about-text-block */
  --about-me-title-font-size: 60px;
  --about-me-text-font-size: 15px;
  --about-me-icon-size: 50px;        /* запасом, сейчас не используется */

  /* CHART PAGE: персонаж */
  --chart-character-top: 365px;
  --chart-character-left: 10%;
  --chart-character-width: 500px;

  /* CHART PAGE: блок CHART */
  --chart-block-top: 180px;
  --chart-block-left: 70%;
  --chart-block-width: 1000px;
  --chart-title-font-size: 60px;
  --chart-frame-height: 700px;

  /* СНЕЖИНКИ MONAD */
  --snowflake-size: 30px;

  /* СВЕЧЕНИЕ ПЕРСОНАЖА */
  --character-glow-expand: 40px;
  --character-glow-offset-x: 0px;
  --character-glow-offset-y: 0px;

  /* Цвета */
  --purple: #8562f0;
  --text-main: #ffffff;
}

/* =========================
   BASE
========================= */

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

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-main);
  background-color: #000;
}

.page-wrapper {
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
}

/* =========================
   SCREENS
========================= */

.screen {
  position: relative;
  width: 100%;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
}

.screen-main {
  background-image: var(--bg-main-image);
}

.screen-about {
  background-image: var(--bg-about-image);
}

.screen-chart {
  background-image: var(--bg-chart-image);
}

/* =========================
   NAV
========================= */

.top-nav {
  position: absolute;
  top: var(--nav-top);
  left: var(--nav-left);
  display: flex;
  gap: var(--nav-gap);
  z-index: 20;
}

.nav-link {
  position: relative;
  background: transparent;
  border: none;
  padding: 2px 0;
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 700; /* жирный */
  font-size: var(--nav-font-size);
  letter-spacing: 0.08em;
  color: #ffffff;
  cursor: pointer;
  text-transform: uppercase;
  transition:
    transform 0.15s ease,
    filter 0.15s ease;
}

.nav-link:hover {
  transform: translateY(-2px);
  filter:
    drop-shadow(0 0 8px rgba(133, 98, 240, 0.8))
    drop-shadow(0 0 20px rgba(133, 98, 240, 0.9));
}

.nav-link:active {
  transform: translateY(0) scale(0.97);
}

/* =========================
   MAIN LOGO + CONTRACT
========================= */

.main-logo-wrapper {
  position: absolute;
  top: var(--main-logo-top);
  left: var(--main-logo-left);
  transform: translateX(-50%);
  width: var(--main-logo-width);
  max-width: 80vw;
  z-index: 10; /* ← добавили, чтобы логотип точно был поверх */
}

.main-logo-image {
  width: 100%;
  height: auto;
  display: block;
}

/* CONTRACT ADDRESS */

.ca-wrapper {
  position: absolute;
  top: calc(var(--main-logo-top) + var(--ca-top-offset));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 600;
  font-size: var(--ca-font-size);
  color: var(--purple);
}

.ca-wrapper.hidden {
  display: none;
}

.ca-label {
  color: #ffffff;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.7);
}

.ca-text {
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: var(--purple);
  cursor: pointer;
  white-space: nowrap;
}

/* Toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(20px);
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.85);
  color: #ffffff;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 100;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =========================
   ABOUT PAGE
========================= */

.about-logo {
  position: absolute;
  top: var(--about-logo-top);
  left: var(--about-logo-left);
  width: var(--about-logo-width);
  z-index: 3;
}

.about-logo img {
  width: 100%;
  height: auto;
  display: block;
}

/* Персонажи + свечение */

.character-wrapper {
  position: absolute;
  width: var(--about-character-width);
  max-width: 40vw;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s ease, transform 0.9s ease;
  z-index: 2;
}

.character-about {
  top: var(--about-character-top);
  left: var(--about-character-left);
}

.character-chart {
  top: var(--chart-character-top);
  left: var(--chart-character-left);
  width: var(--chart-character-width);
}

.character-wrapper.visible {
  opacity: 1;
  transform: translateY(0);
}

.character-wrapper::before {
  content: "";
  position: absolute;
  inset: calc(-1 * var(--character-glow-expand));
  border-radius: 40%;
  background: radial-gradient(
    circle at center,
    rgba(133, 98, 240, 0.65),
    transparent 65%
  );
  filter: blur(4px);
  z-index: 0;
  transform: translate(var(--character-glow-offset-x), var(--character-glow-offset-y));
}

.character-image {
  position: relative;
  width: 100%;
  height: auto;
  display: block;
  z-index: 1;
}

/* Блок текста ABOUT */

.about-text-block {
  position: relative;
  width: var(--about-text-block-width);
  max-width: 90vw;
  margin: var(--about-block-top) auto 0 auto;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transform-origin: top;
  transition: opacity 0.9s ease 0.2s, transform 0.9s ease 0.2s;
  z-index: 3;

  top: var(--about-block-offset-y);
  left: var(--about-block-offset-x);
}

.about-text-block.visible {
  opacity: 1;
  transform: translateY(0);
}

.about-title {
  margin: 0 0 18px;
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 700;
  font-size: var(--about-title-font-size);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.about-text {
  margin: 0;
  white-space: pre-line;
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 400;
  font-size: var(--about-text-font-size);
  line-height: 1.5;
}

/* ABOUT ME */

.about-me-block {
  margin-top: var(--about-me-top-offset);
}

.about-me-title {
  margin: 0 0 8px;
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 700;
  font-size: var(--about-me-title-font-size);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.about-me-text {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 500;
  font-size: var(--about-me-text-font-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.about-me-monad-text {
  color: var(--purple);
  font-weight: 700;
  font-size: calc(var(--about-me-text-font-size) + 4px);
  letter-spacing: 0.05em;
}

/* =========================
   CHART PAGE
========================= */

.chart-logo {
  position: absolute;
  top: var(--about-logo-top);
  left: var(--about-logo-left);
  width: var(--about-logo-width);
  z-index: 3;
}

.chart-logo img {
  width: 100%;
  height: auto;
  display: block;
}

.chart-block {
  position: absolute;
  top: var(--chart-block-top);
  left: var(--chart-block-left);
  transform: translateX(-50%);
  width: var(--chart-block-width);
  max-width: 80vw;
  text-align: left;
  z-index: 3;
}

.chart-title {
  margin: 0 0 18px;
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 700;
  font-size: var(--chart-title-font-size);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chart-frame {
  width: 100%;
  height: var(--chart-frame-height);
  border-radius: 16px;
  overflow: hidden;
  background: var(--purple);
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.8);
}

.chart-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* =========================
   СНЕЖИНКИ MONAD
========================= */

.snow-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.snowflake {
  position: absolute;
  top: -10%;
  width: var(--snowflake-size);
  height: auto;
  opacity: 0.0;
  animation-name: monad-snow-fall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

@keyframes monad-snow-fall {
  0% {
    transform: translate3d(0, -10%, 0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.9;
  }
  100% {
    transform: translate3d(40px, 115vh, 0) rotate(360deg);
    opacity: 0;
  }
}

/* =========================
   ADAPTIVE
========================= */

@media (max-width: 1024px) {
  :root {
    --nav-font-size: 15px;
    --main-logo-width: 360px;

    --about-character-left: 10%;
    --chart-character-left: 10%;

    --chart-block-left: 62%;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-top: 18px;
    --nav-left: 20px;
    --nav-gap: 18px;
    --nav-font-size: 13px;

    --main-logo-top: 260px;
    --main-logo-width: 260px;
    --ca-font-size: 13px;

    --about-logo-width: 150px;

    --about-character-top: 330px;
    --about-character-left: 50%;
    --about-character-width: 230px;

    --about-block-top: 80px;
    --about-text-block-width: 86vw;

    --chart-character-top: 340px;
    --chart-character-left: 50%;
    --chart-character-width: 230px;

    --chart-block-top: 90px;
    --chart-block-left: 50%;
    --chart-block-width: 86vw;
    --chart-frame-height: 230px;
  }

  .character-about,
  .character-chart {
    left: 50%;
    transform: translate(-50%, 16px);
  }

  .character-wrapper.visible {
    transform: translate(-50%, 0);
  }
}

@media (max-width: 480px) {
  :root {
    --nav-font-size: 11px;
    --nav-gap: 12px;

    --main-logo-top: 250px;
    --main-logo-width: 220px;
    --ca-font-size: 11px;

    --about-title-font-size: 26px;
    --about-text-font-size: 14px;

    --chart-title-font-size: 26px;
  }
}