html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #000;
}

:root {
  --bagel-orange: #e35b2e;
  --bagel-white: #ffffff;
  --font-f1: "Rajdhani", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --audio-toggle-size: clamp(50px, 4.8vw, 72px);
  --audio-toggle-icon-size: clamp(22px, 2.2vw, 30px);
  --video-frame-gap: clamp(12px, 1.8vw, 30px);
  --panel-side: clamp(12px, 1.3vw, 20px);
  --panel-top: clamp(50px, 5vw, 70px);
  --panel-bottom: clamp(44px, 4.2vw, 58px);
  --panel-gap: clamp(8px, 0.9vw, 14px);
}

.video-shell {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #000;
}

.video-tiles {
  position: absolute;
  inset: -1px;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(var(--tile-columns, 3), 1fr);
  grid-template-rows: repeat(var(--tile-rows, 2), 1fr);
  opacity: 0.28;
  filter: saturate(0.85) brightness(0.68);
}

.video-tile {
  position: relative;
  overflow: hidden;
}

.tile-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 56.25%;
  min-width: 177.78%;
  min-height: 100%;
  transform: translate(-50%, -50%);
  border: 0;
  pointer-events: none;
}

.video-panel {
  position: relative;
  z-index: 2;
  width: min(
    calc(100vw - (var(--video-frame-gap) * 2)),
    calc(
      (100vh - (var(--video-frame-gap) * 2) - var(--panel-top) - var(--panel-bottom) -
          (var(--panel-gap) * 2)) *
        16 / 9 + (var(--panel-side) * 2)
    )
  );
  display: grid;
  grid-template-rows: minmax(0, var(--panel-top)) 1fr minmax(0, var(--panel-bottom));
  row-gap: var(--panel-gap);
  padding-inline: var(--panel-side);
  border: none;
  outline: none;
  box-shadow: none;
  border-radius: clamp(16px, 2vw, 24px);
  background: transparent;
  backdrop-filter: none;
}

.panel-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  align-content: center;
  flex-wrap: wrap;
  gap: clamp(6px, 0.8vw, 10px);
}

.panel-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: clamp(5px, 0.55vw, 8px) clamp(10px, 1.15vw, 16px);
  border: none;
  outline: none;
  box-shadow: none;
  border-radius: 999px;
  background: var(--bagel-orange);
  color: var(--bagel-white);
  text-decoration: none;
  font-family: var(--font-f1);
  font-size: clamp(11px, 0.95vw, 13px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  white-space: nowrap;
  opacity: 0.96;
  transition:
    transform 170ms cubic-bezier(0.2, 0.8, 0.2, 1),
    filter 170ms cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 170ms ease,
    box-shadow 170ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform, filter, box-shadow;
}

.panel-tab:hover {
  transform: translateY(-2px) scale(1.03);
  filter: brightness(1.12) saturate(1.06);
  box-shadow:
    0 8px 18px rgba(227, 91, 46, 0.36),
    0 2px 6px rgba(0, 0, 0, 0.32);
  opacity: 1;
}

.panel-tab:focus-visible {
  transform: translateY(-2px) scale(1.03);
  filter: brightness(1.12) saturate(1.06);
  box-shadow:
    0 8px 18px rgba(227, 91, 46, 0.36),
    0 2px 6px rgba(0, 0, 0, 0.32);
}

.panel-tab:active {
  transform: translateY(0) scale(0.985);
  filter: brightness(1.03);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.28);
}

.panel-tab.is-active {
  transform: translateY(-2px) scale(1.03);
  filter: brightness(1.12) saturate(1.06);
  box-shadow:
    0 8px 18px rgba(227, 91, 46, 0.36),
    0 2px 6px rgba(0, 0, 0, 0.32);
  opacity: 1;
}

.about-overlay {
  position: fixed;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: clamp(18px, 3.6vw, 60px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 220ms ease;
}

.about-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 130% at 12% 8%, rgba(227, 91, 46, 0.26), rgba(227, 91, 46, 0) 46%),
    radial-gradient(120% 140% at 86% 92%, rgba(227, 91, 46, 0.18), rgba(227, 91, 46, 0) 52%),
    linear-gradient(120deg, rgba(8, 8, 8, 0.84), rgba(10, 10, 10, 0.92));
  backdrop-filter: blur(3px);
}

.about-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.about-overlay-content {
  position: relative;
  width: min(920px, 100%);
  max-width: 64ch;
  padding: clamp(28px, 3vw, 40px) clamp(24px, 2.8vw, 38px) clamp(30px, 3.3vw, 46px);
  border-radius: clamp(14px, 1.45vw, 18px);
  border: 1px solid transparent;
  background:
    linear-gradient(152deg, rgba(26, 22, 20, 0.96), rgba(14, 13, 13, 0.9)) padding-box,
    linear-gradient(
        128deg,
        rgba(255, 255, 255, 0.32) 0%,
        rgba(227, 91, 46, 0.43) 38%,
        rgba(255, 255, 255, 0.19) 76%,
        rgba(255, 255, 255, 0.08) 100%
      )
      border-box;
  box-shadow:
    0 34px 68px rgba(0, 0, 0, 0.56),
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 0 50px rgba(227, 91, 46, 0.055);
  backdrop-filter: blur(10px) saturate(115%);
  opacity: 0;
  transform: translateY(10px) scale(0.985);
  transition:
    transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 220ms ease;
}

.about-overlay-content::before {
  content: "About Bagel Labs";
  display: inline-block;
  margin-bottom: clamp(10px, 1.2vw, 14px);
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(227, 91, 46, 0.16);
  border: 1px solid rgba(227, 91, 46, 0.42);
  color: rgba(255, 255, 255, 0.92);
  font-family: var(--font-f1);
  font-size: clamp(11px, 0.9vw, 13px);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.about-overlay.is-visible .about-overlay-content {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.about-overlay-content::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0.7px, transparent 0.8px),
    radial-gradient(circle at 70% 60%, rgba(0, 0, 0, 0.14) 0.7px, transparent 0.8px);
  background-size:
    3px 3px,
    4px 4px;
  mix-blend-mode: soft-light;
  opacity: 0.23;
}

.about-close-btn {
  --close-magnet-x: 0px;
  --close-magnet-y: 0px;
  position: absolute;
  top: clamp(12px, 1.2vw, 16px);
  right: clamp(12px, 1.2vw, 16px);
  width: clamp(34px, 2.8vw, 40px);
  height: clamp(34px, 2.8vw, 40px);
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--bagel-white);
  font-family: var(--font-f1);
  font-size: clamp(18px, 1.2vw, 21px);
  font-weight: 500;
  line-height: 0.95;
  cursor: pointer;
  transform: translate3d(var(--close-magnet-x), var(--close-magnet-y), 0);
  transition:
    border-color 140ms ease,
    background 140ms ease,
    color 140ms ease,
    transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.about-close-btn:hover {
  border-color: rgba(227, 91, 46, 0.68);
  background: rgba(227, 91, 46, 0.18);
  color: #fff;
  transform: translate3d(var(--close-magnet-x), var(--close-magnet-y), 0) scale(1.02);
}

.about-close-btn:focus-visible {
  outline: none;
  border-color: rgba(227, 91, 46, 0.85);
  background: rgba(227, 91, 46, 0.28);
  transform: translate3d(var(--close-magnet-x), var(--close-magnet-y), 0) scale(1.05);
}

.about-overlay-content p {
  margin: 0;
  max-width: 58ch;
  color: rgba(255, 255, 255, 0.93);
  font-family: var(--font-f1);
  font-size: clamp(19px, 1.5vw, 26px);
  font-weight: 500;
  line-height: 1.52;
  letter-spacing: 0.012em;
  text-wrap: balance;
  text-shadow: 0 1px 20px rgba(0, 0, 0, 0.45);
}

.about-highlight {
  color: rgba(255, 246, 241, 0.97);
  font-weight: 560;
  white-space: nowrap;
  padding-inline: 0.02em;
  background-image: linear-gradient(
    180deg,
    rgba(227, 91, 46, 0) 60%,
    rgba(227, 91, 46, 0.16) 60%
  );
  background-repeat: no-repeat;
  background-size: 100% 100%;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  text-shadow: none;
}

.video-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: none;
  outline: none;
  box-shadow: none;
  background: #000;
  border-radius: clamp(10px, 1.2vw, 14px);
}

#hero-video {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none;
}

.panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.viewer-location {
  margin: 0;
  color: var(--bagel-white);
  font-family: var(--font-f1);
  font-size: clamp(10px, 0.9vw, 12px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.045em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.9;
}

.audio-toggle {
  position: relative;
  z-index: 1;
  width: var(--audio-toggle-size);
  height: var(--audio-toggle-size);
  margin: 0;
  padding: 0;
  display: grid;
  place-items: center;
  border: none;
  outline: none;
  box-shadow: none;
  border-radius: 50%;
  background: var(--bagel-orange);
  color: var(--bagel-white);
  font-family: var(--font-f1);
  line-height: 0;
  cursor: pointer;
  flex: 0 0 auto;
  transition: transform 120ms ease, filter 120ms ease, opacity 120ms ease;
}

.audio-toggle:hover {
  filter: brightness(1.06);
}

.audio-toggle:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.12);
}

.audio-toggle.is-muted {
  opacity: 0.9;
}

.audio-toggle .icon {
  width: var(--audio-toggle-icon-size);
  height: var(--audio-toggle-icon-size);
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.audio-toggle .icon-muted {
  display: none;
}

.audio-toggle.is-muted .icon-muted {
  display: block;
}

.audio-toggle.is-muted .icon-unmuted {
  display: none;
}

@media (max-width: 860px) {
  :root {
    --panel-top: clamp(62px, 13vw, 96px);
    --panel-bottom: clamp(46px, 10vw, 68px);
    --panel-side: clamp(10px, 2.5vw, 14px);
    --panel-gap: clamp(6px, 1.7vw, 10px);
  }

  .panel-tab {
    font-size: 11px;
    padding: 5px 10px;
  }
}

@media (max-width: 520px) {
  .viewer-location {
    max-width: 55vw;
  }

  .audio-toggle {
    width: clamp(46px, 14vw, 58px);
    height: clamp(46px, 14vw, 58px);
  }

  .about-overlay {
    padding: 12px;
  }

  .about-overlay-content {
    max-width: none;
    padding: 44px 16px 20px;
    border-radius: 14px;
  }

  .about-close-btn {
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    font-size: 17px;
  }

  .about-overlay-content::before {
    margin-bottom: 10px;
    padding: 4px 10px;
    font-size: 11px;
    letter-spacing: 0.07em;
  }

  .about-overlay-content p {
    font-size: clamp(15px, 4.6vw, 19px);
    line-height: 1.52;
    letter-spacing: 0.01em;
  }
}