:root {
  --gold: #ffc107;
  --gold-soft: rgba(255, 193, 7, .18);
  --red: #e63946;
  --foam: #fff8e7;
  --muted: #c9c3b7;
  --line: rgba(255, 193, 7, .18);
  --card: rgba(18, 18, 18, .78);
  --shadow: 0 34px 90px rgba(0, 0, 0, .58);
  --max: 1180px;
  --display: "Bangers", Impact, sans-serif;
  --head: "Outfit", system-ui, sans-serif;
  --body: "Nunito", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { max-width: 100%; }
body {
  margin: 0;
  color: var(--foam);
  font-family: var(--body);
  line-height: 1.72;
  background:
    radial-gradient(circle at 20% 0, rgba(255, 193, 7, .16), transparent 28rem),
    radial-gradient(circle at 86% 16%, rgba(230, 57, 70, .14), transparent 28rem),
    linear-gradient(180deg, #050505, #111 46%, #050505);
  overflow-x: hidden;
}

body::selection { color: #000; background: var(--gold); }
a { color: inherit; }
figure { margin: 0; }
img { display: block; width: 100%; height: auto; object-fit: contain; }

.bubbles {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.014) 1px, transparent 1px);
  background-size: 54px 54px;
}

.bubbles span {
  position: absolute;
  bottom: -80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  box-shadow: inset 0 0 10px rgba(255, 255, 255, .12);
  animation: bubbleRise linear infinite;
}

.bubbles span[data-gold="true"] {
  background: rgba(255, 193, 7, .22);
  box-shadow: 0 0 18px rgba(255, 193, 7, .14);
}

.foam {
  position: fixed;
  inset: 0 0 auto;
  height: 180px;
  z-index: -1;
  pointer-events: none;
  opacity: .22;
  background:
    radial-gradient(circle at 8% 0, #fff 0 26px, transparent 27px),
    radial-gradient(circle at 22% 3%, #fff 0 44px, transparent 45px),
    radial-gradient(circle at 42% 0, #fff 0 32px, transparent 33px),
    radial-gradient(circle at 68% 2%, #fff 0 52px, transparent 53px),
    radial-gradient(circle at 86% 0, #fff 0 36px, transparent 37px);
  filter: blur(1px);
}

.hero,
.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pill-link,
.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 18px;
  border: 1px solid var(--line);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 12px;
  font-weight: 900;
  transition: transform .25s ease, background .25s ease, color .25s ease, box-shadow .25s ease;
}

.pill-link,
.btn.secondary {
  color: var(--gold);
  background: rgba(255, 255, 255, .04);
}

.pill-link::before { content: "<"; margin-right: .7rem; }
.pill-link.solid::before { content: ""; margin: 0; }
.pill-link.solid,
.btn.primary {
  color: #050505;
  background: var(--gold);
  box-shadow: 0 18px 54px rgba(255, 193, 7, .2);
}

.pill-link:hover,
.btn:hover { transform: translateY(-3px); }
.pill-link.solid:hover,
.btn.primary:hover {
  background: #fff;
  box-shadow: 0 0 0 6px rgba(255, 193, 7, .14), 0 22px 66px rgba(255, 193, 7, .24);
}

.pill-link:active,
.btn:active {
  transform: translateY(0) scale(.98);
}

.hero-grid {
  min-height: calc(100vh - 78px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .88fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.brand-mark {
  width: min(230px, 62vw);
  margin: 1.2rem 0 1.25rem;
  filter: drop-shadow(0 22px 34px rgba(255, 193, 7, .18));
  transform-origin: 50% 70%;
  transition: transform .35s ease;
}

.brand-mark:hover { transform: rotate(-4deg) scale(1.04); }

.eyebrow {
  margin: 0 0 1rem;
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1, h2, h3 { margin: 0; letter-spacing: 0; }
h1 {
  max-width: 840px;
  color: var(--gold);
  font-family: var(--display);
  font-size: clamp(4rem, 9vw, 7.4rem);
  line-height: .85;
  letter-spacing: .06em;
  text-shadow: 6px 6px 0 rgba(230, 57, 70, .32);
}

h2 {
  max-width: 880px;
  color: #fff;
  font-family: var(--head);
  font-size: clamp(2rem, 3.8vw, 3.6rem);
  line-height: 1.05;
  font-weight: 900;
}

.hero-subtitle {
  max-width: 720px;
  color: #fff;
  font-size: clamp(1.55rem, 3vw, 2.8rem);
  line-height: 1.08;
}

.lead,
.section-head p,
.split p,
.final-card p {
  color: var(--muted);
  font-size: clamp(1rem, 1.2vw, 1.15rem);
}

.lead {
  max-width: 760px;
  margin: 1.4rem 0 0;
  color: #e5dccb;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2rem;
}

.hero-stage {
  position: relative;
  display: grid;
  gap: 1rem;
  align-content: center;
}

.product-card,
.image-frame,
.board-frame,
.gallery figure,
.video-box,
.final-card,
.insight-card,
.research-grid article,
.mechanics-grid article,
.spec-list article,
.tool-grid article,
.testing-timeline article {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.research-grid article,
.mechanics-grid article,
.spec-list article,
.tool-grid article,
.testing-timeline article {
  position: relative;
  overflow: hidden;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease, background .35s ease;
}

.research-grid article::after,
.mechanics-grid article::after,
.spec-list article::after,
.tool-grid article::after,
.testing-timeline article::after {
  content: "";
  position: absolute;
  inset: -35% auto auto -45%;
  width: 54%;
  height: 180%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.18), transparent);
  transform: rotate(18deg) translateX(-140%);
  transition: transform .65s ease;
  pointer-events: none;
}

.research-grid article:hover,
.mechanics-grid article:hover,
.spec-list article:hover,
.tool-grid article:hover,
.testing-timeline article:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 193, 7, .55);
  background: rgba(28, 23, 12, .9);
  box-shadow: 0 24px 70px rgba(255, 193, 7, .14), var(--shadow);
}

.research-grid article:hover::after,
.mechanics-grid article:hover::after,
.spec-list article:hover::after,
.tool-grid article:hover::after,
.testing-timeline article:hover::after {
  transform: rotate(18deg) translateX(280%);
}

.research-grid article:active,
.mechanics-grid article:active,
.spec-list article:active,
.tool-grid article:active,
.testing-timeline article:active {
  transform: scale(.985);
}

.product-card {
  border-radius: 32px;
  padding: .85rem;
  overflow: hidden;
}

.main-card {
  position: relative;
  background: linear-gradient(145deg, rgba(255,255,255,.96), rgba(255,193,7,.22));
  transform: rotate(-2deg);
  animation: floatOne 7s ease-in-out infinite;
}

.floating-card {
  position: relative;
  width: min(78%, 390px);
  justify-self: end;
  transform: rotate(2.5deg);
  animation: floatTwo 8s ease-in-out infinite;
}

.product-card img,
.image-frame img,
.gallery img,
.final-card img { border-radius: inherit; }

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.metric-strip article {
  min-height: 126px;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 1rem;
  background: rgba(255, 255, 255, .05);
}

.metric-strip strong {
  display: block;
  color: var(--gold);
  font-family: var(--display);
  font-size: 2.5rem;
  line-height: 1;
  letter-spacing: .04em;
}

.metric-strip span {
  color: var(--muted);
  font-weight: 800;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .95fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.split.reverse { grid-template-columns: minmax(360px, .95fr) minmax(0, 1fr); }

.band,
.dark-section {
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100% - var(--max)) / 2));
  padding-right: max(20px, calc((100% - var(--max)) / 2));
}

.band {
  background:
    radial-gradient(circle at 80% 8%, rgba(255, 193, 7, .15), transparent 24rem),
    rgba(255, 255, 255, .035);
}

.dark-section {
  background:
    radial-gradient(circle at 20% 0, rgba(230, 57, 70, .18), transparent 26rem),
    #050505;
}

.section-head { max-width: 920px; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head.centered { text-align: center; margin-inline: auto; }
.section-head.centered h2 { margin-inline: auto; }

.insight-card {
  border-radius: 32px;
  padding: clamp(1.5rem, 4vw, 2.6rem);
  background:
    radial-gradient(circle at 20% 12%, rgba(255, 193, 7, .2), transparent 36%),
    rgba(14, 14, 14, .88);
}

.insight-card span,
.research-grid span,
.tool-grid span,
.testing-timeline span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.insight-card strong {
  display: block;
  margin-top: 1rem;
  color: #fff;
  font-family: var(--head);
  font-size: clamp(1.6rem, 3vw, 2.45rem);
  line-height: 1.1;
}

.check-list {
  display: grid;
  gap: .9rem;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  color: var(--muted);
  border-left: 3px solid var(--gold);
  padding-left: 1rem;
}

.check-list strong { color: #fff; }

.research-grid,
.mechanics-grid,
.tool-grid,
.testing-timeline,
.spec-list,
.gallery,
.video-grid {
  display: grid;
  gap: 1rem;
}

.research-grid,
.tool-grid,
.mechanics-grid,
.testing-timeline {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.research-grid article,
.mechanics-grid article,
.tool-grid article,
.testing-timeline article,
.spec-list article {
  border-radius: 24px;
  padding: 1rem;
}

.research-grid article,
.tool-grid article { min-height: 220px; }

.research-grid strong,
.mechanics-grid strong,
.tool-grid strong,
.testing-timeline strong,
.spec-list strong {
  display: block;
  color: #fff;
  font-size: 1.1rem;
  line-height: 1.25;
}

.research-grid p,
.tool-grid p,
.testing-timeline p,
.spec-list span,
.mechanics-grid span {
  margin: .75rem 0 0;
  color: var(--muted);
}

.image-frame,
.board-frame,
.gallery figure {
  border-radius: 32px;
  padding: .7rem;
  overflow: hidden;
}

.image-frame:hover,
.gallery figure:hover,
.board-frame:hover { border-color: rgba(255, 193, 7, .55); }

.image-frame img,
.gallery img,
.board-frame img {
  transition: transform .55s ease, filter .55s ease;
}

.image-frame:hover img,
.gallery figure:hover img,
.board-frame:hover img {
  transform: scale(1.025);
  filter: saturate(1.08) contrast(1.04);
}

.board-frame { background: #0b0b0b; }
.board-frame img { border-radius: 24px; }

.gallery.two,
.video-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery.two { margin-top: 1rem; }
.staggered { margin-top: 1rem; }
.spec-list { margin-top: 1.8rem; }

.testing-timeline article {
  position: relative;
  min-height: 210px;
}

.testing-timeline span {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #050505;
  background: var(--gold);
  letter-spacing: 0;
}

.video-box {
  position: relative;
  min-height: 0;
  border-radius: 32px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.video-box iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.final-section { padding-bottom: clamp(4rem, 8vw, 7rem); }

.final-card {
  display: grid;
  grid-template-columns: minmax(160px, 230px) 1fr;
  gap: clamp(1.35rem, 3vw, 2.4rem);
  align-items: center;
  border-radius: 36px;
  padding: clamp(1.2rem, 4vw, 2.6rem);
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 193, 7, .2), transparent 34%),
    rgba(14, 14, 14, .9);
}

.final-card img {
  border-radius: 28px;
  width: min(210px, 100%);
  max-height: 230px;
  object-fit: contain;
  background: #111;
}

.final-card h2 {
  max-width: 760px;
  font-size: clamp(2rem, 4vw, 3.35rem);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  filter: blur(8px);
  transition: opacity .75s ease, transform .75s ease, filter .75s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: none;
  filter: none;
}

.section-head.in-view h2,
.hero-subtitle.in-view {
  animation: titleGlow 1.1s ease both;
}

.mechanics-grid article.in-view,
.testing-timeline article.in-view {
  animation: cardPulse .9s ease both;
}

@keyframes bubbleRise {
  from { transform: translate3d(0, 0, 0) scale(.75); opacity: 0; }
  20% { opacity: .8; }
  to { transform: translate3d(22px, -122vh, 0) scale(1.12); opacity: 0; }
}

@keyframes floatOne {
  0%, 100% { transform: rotate(-2deg) translateY(0); }
  50% { transform: rotate(-.5deg) translateY(-18px); }
}

@keyframes floatTwo {
  0%, 100% { transform: rotate(2.5deg) translateY(0); }
  50% { transform: rotate(1deg) translateY(16px); }
}

@keyframes titleGlow {
  0% { text-shadow: 0 0 0 rgba(255, 193, 7, 0); }
  45% { text-shadow: 0 0 28px rgba(255, 193, 7, .24); }
  100% { text-shadow: 0 0 0 rgba(255, 193, 7, 0); }
}

@keyframes cardPulse {
  0% { box-shadow: var(--shadow); }
  45% { box-shadow: 0 0 0 1px rgba(255, 193, 7, .35), 0 24px 70px rgba(255, 193, 7, .15), var(--shadow); }
  100% { box-shadow: var(--shadow); }
}

@media (max-width: 980px) {
  .hero-grid,
  .split,
  .split.reverse {
    grid-template-columns: 1fr;
  }

  .hero-stage { min-height: auto; }

  .main-card,
  .floating-card {
    width: 100%;
    transform: none;
    animation: none;
  }

  .floating-card { justify-self: stretch; }

  .metric-strip,
  .research-grid,
  .mechanics-grid,
  .tool-grid,
  .testing-timeline,
  .video-grid,
  .gallery.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero,
  .section {
    width: min(var(--max), calc(100vw - 28px));
  }

  .nav {
    flex-direction: column;
    align-items: stretch;
    padding: .9rem 0;
  }

  .pill-link,
  .btn {
    width: 100%;
    padding-inline: 14px;
    text-align: center;
  }

  .hero-actions { flex-direction: column; }

  h1 {
    font-size: clamp(3.35rem, 15vw, 4.85rem);
    text-shadow: 5px 5px 0 rgba(230, 57, 70, .32);
  }

  h2 { font-size: clamp(1.9rem, 8.5vw, 2.8rem); }

  .hero-subtitle {
    font-size: clamp(1.45rem, 7vw, 2rem);
  }

  .lead,
  .section-head p,
  .split p,
  .final-card p {
    font-size: 1rem;
  }

  .metric-strip,
  .research-grid,
  .mechanics-grid,
  .tool-grid,
  .testing-timeline,
  .video-grid,
  .gallery.two,
  .final-card {
    grid-template-columns: 1fr;
  }

  .band,
  .dark-section {
    width: 100%;
    max-width: none;
  }

  .final-card {
    text-align: left;
    border-radius: 26px;
  }

  .final-card img {
    width: min(190px, 70vw);
    margin: 0 auto;
  }

  .research-grid article.in-view::after,
  .mechanics-grid article.in-view::after,
  .spec-list article.in-view::after,
  .tool-grid article.in-view::after,
  .testing-timeline article.in-view::after {
    transform: rotate(18deg) translateX(280%);
    transition-delay: .18s;
  }

  .research-grid article,
  .mechanics-grid article,
  .spec-list article,
  .tool-grid article,
  .testing-timeline article {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
}

html,
body {
  height: auto !important;
  min-height: 100% !important;
  overflow-x: hidden;
  overflow-y: auto !important;
  overscroll-behavior-y: auto;
  touch-action: pan-y;
  scrollbar-gutter: stable;
}