:root {
  --bg: #fff8ee;
  --text: #18354f;
  --muted: #4f6f8e;
  --card: rgba(255, 255, 255, 0.9);
  --line: rgba(62, 132, 200, 0.33);
  --blue: #2f8df6;
  --blue-2: #36c6ff;
  --mint: #d2ffe8;
  --peach: #ffd7b7;
  --sun: #ffe36b;
  --coral: #ff8da0;
  --green: #7ed957;
  --shadow: 0 18px 45px rgba(37, 91, 143, 0.2);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Onest", "Segoe UI", sans-serif;
  color: var(--text);
  line-height: 1.45;
  background: var(--bg);
  min-height: 100vh;
  position: relative;
  padding-top: 96px;
}

body.nav-open {
  overflow: hidden;
}

section[id],
header[id] {
  scroll-margin-top: 110px;
}

.top-nav {
  position: fixed;
  top: 12px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
}

.top-nav__inner {
  width: min(1060px, 100%);
  min-height: 68px;
  border-radius: 20px;
  border: 1px solid rgba(62, 132, 200, 0.28);
  background: linear-gradient(100deg, rgba(255, 255, 255, 0.94), rgba(225, 248, 255, 0.92), rgba(255, 239, 215, 0.92));
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 28px rgba(51, 78, 108, 0.16);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 18px;
  pointer-events: auto;
  position: relative;
}

.top-nav__brand {
  text-decoration: none;
  color: #1f71d1;
  font-family: "Comfortaa", "Onest", sans-serif;
  font-size: clamp(16px, 2.3vw, 24px);
  font-weight: 700;
  white-space: nowrap;
}

.top-nav__menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-nav__link {
  text-decoration: none;
  color: #21517f;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 14px;
  border-radius: 12px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.top-nav__link:hover {
  background: linear-gradient(120deg, rgba(54, 198, 255, 0.24), rgba(255, 227, 107, 0.28));
  color: #114c92;
  transform: translateY(-1px);
}

.top-nav__burger {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(47, 141, 246, 0.4);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.top-nav__burger span {
  width: 18px;
  height: 2px;
  background: #1e5e9f;
  border-radius: 20px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.top-nav.is-open .top-nav__burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.top-nav.is-open .top-nav__burger span:nth-child(2) {
  opacity: 0;
}

.top-nav.is-open .top-nav__burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.fhero{
    max-width: 100%;
    border-radius: calc(var(--radius) + 8px) calc(var(--radius) + 8px) 0 0;
    filter: saturate(1.12) brightness(1.04);
}
.page-bg {
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 18% 14%, rgba(255, 227, 107, 0.35), transparent 24%),
    radial-gradient(circle at 85% 22%, rgba(54, 198, 255, 0.28), transparent 28%),
    radial-gradient(circle at 78% 78%, rgba(255, 141, 160, 0.22), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.23)),
    url("images/backgr.png");
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.hero {
  width: min(1100px, calc(100% - 32px));
  margin: 14px auto 18px;
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 16%, rgba(255, 227, 107, 0.52), transparent 38%),
    radial-gradient(circle at 10% 88%, rgba(54, 198, 255, 0.3), transparent 42%),
    radial-gradient(circle at 4% 14%, rgba(255, 141, 160, 0.24), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(243, 252, 255, 0.9));
  box-shadow: var(--shadow);
  padding: clamp(0px, 5vw, 0px);
  padding-bottom: 30px ;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--peach), #fff2d5);
  color: #5f5867;
  font-size: 14px;
  margin-bottom: 16px;
}

.hero__title {
  margin: 0;
  font-family: "Comfortaa", "Onest", sans-serif;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.05;
  color: #2b6ab8;
}

.hero__subtitle {
  margin: 14px auto 0;
  max-width: 740px;
  font-size: clamp(17px, 2.2vw, 24px);
  color: #365877;
}

.hero__actions {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.layout {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto 42px;
  display: grid;
  gap: 16px;
}

.card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.93), rgba(246, 253, 255, 0.9));
  box-shadow: var(--shadow);
  backdrop-filter: blur(2px);
  padding: clamp(20px, 4vw, 34px);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--blue), var(--sun), var(--coral));
  opacity: 0.85;
}

.card--about::before {
  background: linear-gradient(90deg, #ffb86b, var(--sun));
}

.card--episodes::before {
  background: linear-gradient(90deg, var(--blue), var(--blue-2));
}

.card--author::before {
  background: linear-gradient(90deg, var(--blue-2), var(--green));
}

.card h2 {
  margin: 0 0 16px;
  font-family: "Comfortaa", "Onest", sans-serif;
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.2;
}

.card p {
  margin: 0 0 12px;
  font-size: clamp(18px, 2vw, 21px);
}

.card ul {
  margin: 8px 0 0;
  padding: 0 0 0 20px;
  font-size: clamp(18px, 2vw, 21px);
}

.card--episodes {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.episodes__panel h2 {
  margin-bottom: 10px;
}

.episodes__hint {
  margin: 0 0 12px;
  font-size: 16px;
  color: #3f6488;
}

.episodes__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  max-height: 520px;
  overflow: auto;
  padding-right: 6px;
}

.episode-btn {
  width: 100%;
  border: 1px solid rgba(47, 141, 246, 0.35);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(225, 245, 255, 0.88));
  color: var(--text);
  text-align: left;
  padding: 11px 13px;
  border-radius: 14px;
  font: inherit;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.episode-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 9px 20px rgba(54, 198, 255, 0.25);
}

.episode-btn.is-active {
  background: linear-gradient(130deg, var(--blue), var(--blue-2), #5ae6c2);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 12px 25px rgba(47, 141, 246, 0.36);
}

.player-block {
  display: grid;
  gap: 16px;
}

.player-block__head {
  border-radius: 20px;
  border: 1px solid rgba(47, 141, 246, 0.28);
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.92), rgba(228, 247, 255, 0.88));
  padding: 14px 18px;
}

.player-block__label {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.player-block__head h3 {
  margin: 6px 0 0;
  font-size: clamp(24px, 3vw, 36px);
  font-family: "Comfortaa", "Onest", sans-serif;
  line-height: 1.22;
}

.player-shell {
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(47, 141, 246, 0.33);
  background: linear-gradient(160deg, #2f8df6, #36c6ff 56%, #58e4b5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32);
  min-height: 390px;
  position: relative;
}

.player-shell iframe {
  border: 0;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 390px;
  display: block;
  background: #2472ca;
}

.player-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.player-actions .btn {
  will-change: transform, opacity;
}

.player-actions.is-updating .btn {
  animation: button-refresh 0.32s ease;
}

.player-actions.is-updating .btn:nth-child(2) {
  animation-delay: 0.04s;
}

.player-actions.is-updating .btn:nth-child(3) {
  animation-delay: 0.08s;
}

.player-note {
  margin: 0;
  flex-basis: 100%;
  color: #365a7d;
  font-size: 13px;
}

.player-note code {
  font-family: "Onest", "Segoe UI", sans-serif;
}

.btn {
  border: 0;
  border-radius: 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  min-height: 50px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.is-disabled {
  opacity: 0.55;
  pointer-events: none;
  box-shadow: none;
}

.btn--primary {
  background: linear-gradient(130deg, var(--blue), var(--blue-2), #58e4b5);
  color: #fff;
  box-shadow: 0 10px 22px rgba(47, 141, 246, 0.4);
}

.btn--secondary {
  background: linear-gradient(135deg, #fff6d7, #ffe8ca);
  color: #344f70;
  border: 1px solid rgba(255, 187, 90, 0.38);
}

.btn--ghost {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(220, 247, 255, 0.86));
  color: #205992;
  border: 1px solid rgba(47, 141, 246, 0.32);
}

.card--author {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 34px);
  align-items: start;
}

.author__photo {
  border-radius: 22px;
  min-height: 360px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.95), transparent 36%),
    radial-gradient(circle at 84% 10%, rgba(255, 227, 107, 0.4), transparent 34%),
    linear-gradient(150deg, #7bd1ff, #6be7c8 52%, #ffe17b);
  border: 1px solid rgba(47, 141, 246, 0.38);
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}

.author__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.28s ease;
}

.author__image.is-loaded {
  opacity: 1;
}

.author__photo-placeholder {
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: #315981;
  font-weight: 600;
}

.footer {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto 30px;
  text-align: center;
  color: #446789;
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes button-refresh {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  40% {
    opacity: 0.8;
    transform: translateY(4px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .card--episodes {
    grid-template-columns: 1fr;
  }

  .episodes__list {
    max-height: 280px;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  }

  .card--author {
    grid-template-columns: 1fr;
  }

  .author__photo {
    min-height: 260px;
  }
}

@media (max-width: 700px) {
  body {
    padding-top: 82px;
  }

  .top-nav {
    top: 8px;
    padding: 0 8px;
  }

  .top-nav__inner {
    min-height: 60px;
    border-radius: 16px;
    padding: 8px 10px 8px 14px;
  }

  .top-nav__brand {
    font-size: 15px;
  }

  .top-nav__burger {
    display: flex;
  }

  .top-nav__menu {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: min(280px, calc(100vw - 16px));
    display: grid;
    gap: 4px;
    padding: 10px;
    border-radius: 16px;
    border: 1px solid rgba(47, 141, 246, 0.26);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97), rgba(229, 248, 255, 0.95));
    box-shadow: 0 14px 26px rgba(50, 80, 113, 0.2);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
  }

  .top-nav.is-open .top-nav__menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .top-nav__link {
    padding: 11px 12px;
    border-radius: 10px;
  }

  .hero {
    width: calc(100% - 16px);
    margin: 10px auto 12px;
    border-radius: 22px;
  }

  .layout,
  .footer {
    width: calc(100% - 16px);
  }

  .card {
    border-radius: 22px;
    padding: 18px;
  }

  .card p,
  .card ul {
    font-size: 18px;
  }

  .player-shell,
  .player-shell iframe {
    min-height: 230px;
  }

  .player-actions .btn {
    width: 100%;
  }
}