:root {
  color-scheme: dark;
  --text-gold: #ffd58a;
  --text-cream: #fce5ba;
  --orange-glow: #ff7b1f;
  --panel-dark: rgba(14, 11, 18, 0.68);
  --panel-border: rgba(255, 176, 96, 0.38);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background: #090507;
  color: #fff;
}

.hero {
  position: relative;
  min-height: 100dvh;
  overflow: hidden;
  background: url("assets/bg_explosion.png") center / cover no-repeat;
  isolation: isolate;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    radial-gradient(
      360px 280px at calc(var(--cursor-bg-x, 50%) + 3%) calc(var(--cursor-bg-y, 50%) - 2%),
      rgba(255, 170, 70, calc(var(--cursor-bg-o, 0) * 0.9)),
      rgba(255, 130, 40, calc(var(--cursor-bg-o, 0) * 0.4)) 42%,
      transparent 78%
    ),
    radial-gradient(
      220px 340px at calc(var(--cursor-bg-x, 50%) - 4%) calc(var(--cursor-bg-y, 50%) + 3%),
      rgba(255, 190, 90, calc(var(--cursor-bg-o, 0) * 0.6)),
      rgba(255, 120, 30, calc(var(--cursor-bg-o, 0) * 0.3)) 50%,
      transparent 82%
    );
  transition: opacity 180ms ease-out;
}

.hero__vignette,
.hero__center-glow,
.hero__embers {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__vignette {
  z-index: 0;
  background: radial-gradient(circle at center, transparent 32%, rgba(5, 2, 4, 0.9) 100%);
}

.hero__center-glow {
  z-index: 0;
  background: radial-gradient(circle at 50% 45%, rgba(255, 136, 21, 0.45) 0%, rgba(255, 117, 0, 0.2) 24%, transparent 60%);
}

.hero__embers {
  overflow: hidden;
  background: none;
  z-index: 1;
}

.hero__embers::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__embers::before {
  background: url("assets/embers_overlay_black.png") center / cover no-repeat;
  mix-blend-mode: screen;
  opacity: 0.46;
}

.hero__embers-layer {
  display: none;
}

.hero__embers-layer--1 {
  background-image:
    radial-gradient(circle at 6% 88%, rgba(255, 209, 130, 0.94) 0 2px, transparent 4px),
    radial-gradient(circle at 43% 78%, rgba(255, 142, 46, 0.92) 0 1.7px, transparent 3.5px),
    radial-gradient(circle at 82% 86%, rgba(255, 179, 84, 0.88) 0 2px, transparent 4px);
}

.hero__embers-layer--2 {
  background-image:
    radial-gradient(circle at 18% 74%, rgba(255, 152, 56, 0.88) 0 1.8px, transparent 3.8px),
    radial-gradient(circle at 56% 90%, rgba(255, 205, 123, 0.86) 0 2px, transparent 4px),
    radial-gradient(circle at 93% 76%, rgba(255, 153, 52, 0.86) 0 1.8px, transparent 3.8px);
}

.hero__embers-layer--3 {
  background-image:
    radial-gradient(circle at 32% 92%, rgba(255, 186, 90, 0.9) 0 2.2px, transparent 4.2px),
    radial-gradient(circle at 70% 72%, rgba(255, 132, 40, 0.86) 0 1.6px, transparent 3.2px),
    radial-gradient(circle, rgba(255, 156, 58, 0.58) 0 1.3px, transparent 2.6px);
  background-size: 100% 100%, 100% 100%, 180px 210px;
  background-position: 0 0, 0 0, 24px 34px;
}

.hero__embers-layer--4 {
  background-image:
    radial-gradient(circle, rgba(255, 212, 130, 0.42) 0 1px, transparent 2.3px),
    radial-gradient(circle at 11% 67%, rgba(255, 179, 84, 0.8) 0 1.5px, transparent 3.2px),
    radial-gradient(circle at 78% 63%, rgba(255, 139, 44, 0.78) 0 1.4px, transparent 3px);
  background-size: 210px 235px, 100% 100%, 100% 100%;
  background-position: 78px 90px, 0 0, 0 0;
}

.hero__ember {
  position: absolute;
  left: var(--ember-x, 50%);
  top: var(--ember-y, 50%);
  width: 10px;
  height: 10px;
  opacity: 0;
  transform: translate(-50%, -50%) scale(var(--ember-scale, 1));
  filter: drop-shadow(0 0 12px rgba(255, 163, 68, 0.72));
  will-change: opacity, transform, filter;
}

.hero__ember::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--ember-streak, 12px);
  height: 2px;
  transform: translate(-50%, -50%) rotate(var(--ember-rotate, 0deg))
    scaleX(var(--ember-stretch, 1));
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0),
    rgba(255, 210, 150, 0.9) 45%,
    rgba(255, 255, 255, 0)
  );
  filter: blur(0.4px);
}

.hero__ember::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--ember-size, 12px);
  height: var(--ember-size, 12px);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 214, 150, 0.55) 38%,
    rgba(255, 255, 255, 0) 72%
  );
  filter: blur(var(--ember-blur, 0.6px));
}

.hero__ember.is-active {
  animation: emberPop var(--ember-duration, 0.9s) ease-out;
}

@keyframes emberPop {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.4);
  }
  18% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  60% {
    opacity: 0.55;
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.25);
  }
}

.content {
  position: relative;
  z-index: 2;
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: clamp(1rem, 3.2vw, 2rem) clamp(1rem, 4vw, 2.6rem) clamp(2.2rem, 8vw, 4.5rem);
  text-align: center;
}

.logo-wrap {
  position: relative;
  width: min(100%, 46rem);
  margin: clamp(0.4rem, 3vw, 1.4rem) auto 0;
  isolation: isolate;
}

.logo {
  width: 100%;
  display: block;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 8px 24px rgba(255, 121, 0, 0.36));
  animation: logoPulse 10s ease-in-out infinite;
}

.logo-sweep {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  opacity: 0;
  z-index: 3;
  mix-blend-mode: screen;
  filter: brightness(1.2) drop-shadow(0 6px 14px rgba(255, 200, 120, 0.6));
  -webkit-mask-image: linear-gradient(
    110deg,
    transparent 0%,
    rgba(0, 0, 0, 0) 44%,
    rgba(0, 0, 0, 1) 50%,
    rgba(0, 0, 0, 0.4) 56%,
    transparent 62%
  );
  -webkit-mask-size: 180% 100%;
  -webkit-mask-position: -100% 0%;
  mask-image: linear-gradient(
    110deg,
    transparent 0%,
    rgba(0, 0, 0, 0) 44%,
    rgba(0, 0, 0, 1) 50%,
    rgba(0, 0, 0, 0.4) 56%,
    transparent 62%
  );
  mask-size: 180% 100%;
  mask-position: -100% 0%;
  animation: logoSweep 10s ease-in-out infinite;
}

.logo-wrap::before {
  content: "";
  position: absolute;
  inset: -6% -4%;
  border-radius: 28px;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(
    60% 50% at 50% 50%,
    rgba(255, 220, 160, 0.55),
    rgba(255, 130, 40, 0.15) 60%,
    transparent 75%
  );
  filter: blur(6px);
  animation: logoAura 10s ease-in-out infinite;
}

@keyframes logoPulse {
  0%,
  84%,
  100% {
    filter: drop-shadow(0 8px 24px rgba(255, 121, 0, 0.36));
  }
  88% {
    filter: drop-shadow(0 10px 30px rgba(255, 168, 82, 0.7));
  }
  92% {
    filter: drop-shadow(0 12px 34px rgba(255, 210, 140, 0.8));
  }
}

@keyframes logoAura {
  0%,
  84%,
  100% {
    opacity: 0;
  }
  88% {
    opacity: 0.65;
  }
  92% {
    opacity: 0.35;
  }
}

@keyframes logoSweep {
  0%,
  84% {
    opacity: 0;
    -webkit-mask-position: -100% 0%;
    mask-position: -100% 0%;
  }
  86% {
    opacity: 0.85;
  }
  92% {
    opacity: 0.85;
    -webkit-mask-position: 100% 0%;
    mask-position: 100% 0%;
  }
  100% {
    opacity: 0;
    -webkit-mask-position: 100% 0%;
    mask-position: 100% 0%;
  }
}

.headline {
  margin: clamp(0.8rem, 4vw, 1.7rem) 0 0.75rem;
  font-size: clamp(1.9rem, 6.2vw, 4.2rem);
  color: var(--text-gold);
  letter-spacing: 0.04em;
  font-weight: 900;
  text-shadow: 0 4px 14px rgba(0, 0, 0, 0.65), 0 0 20px rgba(255, 137, 22, 0.3);
}

.winner-wrap {
  position: relative;
  width: min(92vw, 28rem);
  margin: 0 auto clamp(1.3rem, 4vw, 2rem);
}

.winner-banner {
  width: 100%;
  display: block;
}

.winner-text {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  font-size: clamp(1.15rem, 3.8vw, 2rem);
  font-weight: 800;
  color: var(--text-cream);
  text-shadow: 0 2px 7px rgba(0, 0, 0, 0.85);
}

.battle {
  display: grid;
  gap: clamp(0.9rem, 3.6vw, 2rem);
  align-items: center;
  justify-items: center;
}

.vs {
  width: clamp(6.4rem, 28vw, 10rem);
  filter: drop-shadow(0 0 20px rgba(255, 143, 31, 0.6));
}

.tilt-wrap {
  width: min(92vw, 21rem);
  perspective: 1100px;
}

.card {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 180ms ease-out;
  padding: clamp(1rem, 4vw, 1.25rem);
}

.card::before {
  content: "";
  position: absolute;
  inset: 8% 6%;
  border-radius: 1rem;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0) 42%);
  opacity: 0;
  mix-blend-mode: screen;
  transform: translate3d(var(--shine-x, 0px), var(--shine-y, 0px), 34px);
  pointer-events: none;
}

.card::after {
  content: "";
  position: absolute;
  inset: 6% 5%;
  border-radius: 1rem;
  pointer-events: none;
  background: radial-gradient(
    180px circle at var(--cursor-card-x, 50%) var(--cursor-card-y, 50%),
    rgba(255, 180, 90, var(--cursor-card-o, 0)),
    rgba(255, 140, 58, calc(var(--cursor-card-o, 0) * 0.34)) 38%,
    transparent 76%
  );
  mix-blend-mode: screen;
  transition: opacity 140ms ease-out;
}

.card-frame {
  width: 100%;
  display: block;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.55));
}

.card-content {
  position: absolute;
  inset: 14% 14% 16%;
  display: grid;
  align-content: start;
  gap: clamp(0.65rem, 2.2vw, 1.1rem);
  background: linear-gradient(160deg, rgba(40, 36, 43, 0.32), var(--panel-dark));
  border: 1px solid var(--panel-border);
  border-radius: 0.7rem;
  padding: clamp(0.7rem, 2.8vw, 1rem);
  backdrop-filter: blur(0.2px);
}

.card h2 {
  margin: 0;
  font-size: clamp(1.8rem, 7vw, 2.8rem);
  color: var(--text-cream);
  font-weight: 500;
  text-shadow: 0 2px 9px rgba(0, 0, 0, 0.75);
}

.meter {
  position: relative;
  height: clamp(2.1rem, 8vw, 2.6rem);
  border-radius: 0.6rem;
  border: 2px solid rgba(255, 255, 255, 0.58);
  overflow: hidden;
  display: grid;
  align-items: center;
}

.meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
}

.meter--left .meter-fill {
  background: linear-gradient(90deg, #ffb308, #d31340);
}

.meter--right .meter-fill {
  background: linear-gradient(90deg, #2a78ff, #5675d9);
}

.meter span {
  position: relative;
  z-index: 1;
  justify-self: end;
  margin-right: 0.4rem;
  font-size: clamp(1.35rem, 5vw, 1.95rem);
  color: var(--text-cream);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.score-row {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: clamp(1.45rem, 4.8vw, 2rem);
  color: var(--text-gold);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.score-line {
  flex: 1;
  height: 0.55rem;
  border-radius: 999px;
}

.score-line--left {
  background: #d94363;
}

.score-line--right {
  background: #4561c7;
}

.claim {
  margin: clamp(1.4rem, 5vw, 2.6rem) 0 0.3rem;
  font-size: clamp(2rem, 7.2vw, 4rem);
  line-height: 1.08;
  color: var(--text-cream);
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.75);
}

.subclaim {
  margin: 0 0 clamp(1.35rem, 4vw, 1.7rem);
  font-size: clamp(1.2rem, 4.5vw, 2.1rem);
  color: #f5d79f;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.72);
}

.cta {
  display: inline-block;
  min-width: min(90vw, 25rem);
  padding: clamp(0.8rem, 3vw, 1.05rem) clamp(1.2rem, 4.5vw, 2.4rem);
  border-radius: 999px;
  text-decoration: none;
  font-size: clamp(1.5rem, 5.6vw, 2.2rem);
  font-weight: 700;
  color: #f6deb2;
  background: linear-gradient(180deg, #7f2c07, #43120a);
  border: 2px solid rgba(255, 181, 86, 0.7);
  box-shadow: 0 0 0 2px rgba(120, 39, 8, 0.85) inset, 0 0 22px rgba(255, 138, 28, 0.36);
}

.footer-links {
  margin-top: clamp(0.9rem, 3vw, 1.4rem);
}

.footer-links a {
  color: #d7ba84;
  font-size: clamp(1.4rem, 4.8vw, 2rem);
  text-decoration: none;
}

.gyro-enable {
  margin-top: 0.9rem;
  border: 1px solid rgba(255, 186, 99, 0.55);
  border-radius: 999px;
  background: rgba(32, 16, 14, 0.78);
  color: #ffdca2;
  font-size: clamp(0.95rem, 3.4vw, 1.1rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.5rem 0.9rem;
  box-shadow: 0 0 14px rgba(255, 140, 32, 0.22);
}

@media (max-width: 1023px) {
  .card {
    animation: idlePulse 3.1s ease-in-out infinite;
  }

  .gyro-active .card {
    animation: none;
  }

  .card::before {
    opacity: 0.12;
  }

  .card::after {
    display: none;
  }
}

@media (min-width: 1024px) {
  .battle {
    grid-template-columns: 1fr auto 1fr;
    gap: clamp(1.2rem, 2vw, 2.1rem);
  }

  .tilt-wrap {
    width: min(30vw, 27rem);
  }

  .card::before {
    opacity: 0.24;
    transition: transform 160ms ease-out, opacity 120ms ease-out;
  }

  .card::after {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@keyframes idlePulse {
  0%,
  100% {
    transform: translateY(0);
    filter: drop-shadow(0 0 10px rgba(255, 145, 37, 0.25));
  }
  50% {
    transform: translateY(-3px);
    filter: drop-shadow(0 0 17px rgba(255, 145, 37, 0.35));
  }
}

@keyframes emberRoll {
  0%,
  100% {
    opacity: var(--base-opacity, 0.08);
    filter: blur(0.3px) brightness(var(--base-brightness, 0.46))
      drop-shadow(0 0 3px rgba(255, 138, 42, 0.24));
  }
  22% {
    opacity: calc(var(--base-opacity, 0.08) + 0.04);
    filter: blur(0.3px) brightness(calc(var(--base-brightness, 0.46) + 0.14))
      drop-shadow(0 0 4px rgba(255, 142, 44, 0.26));
  }
  46% {
    opacity: var(--mid-opacity, 0.22);
    filter: blur(0.3px) brightness(var(--mid-brightness, 0.88))
      drop-shadow(0 0 6px rgba(255, 148, 48, 0.34));
  }
  61% {
    opacity: var(--peak-opacity, 0.56);
    filter: blur(0.3px) brightness(var(--peak-brightness, 2.15))
      drop-shadow(0 0 12px rgba(255, 160, 58, 0.64));
  }
  74% {
    opacity: calc(var(--mid-opacity, 0.22) * 0.72);
    filter: blur(0.3px) brightness(calc(var(--mid-brightness, 0.88) * 0.78))
      drop-shadow(0 0 5px rgba(255, 144, 46, 0.3));
  }
}