* { box-sizing: border-box; }

:root {
  --bg: #0a0d0b;
  --panel: #111713;
  --panel-2: #171e19;
  --line: rgba(255,255,255,.095);
  --text: #f3f6f3;
  --muted: #a8b1aa;
  --accent: #78b94e;
  --accent-2: #95d36f;
  --shadow: 0 28px 90px rgba(0,0,0,.32);
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% -5%, rgba(120,185,78,.11), transparent 34%),
    linear-gradient(180deg, #0a0d0b, #0c100d 45%, #090c0a);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button { font: inherit; }

.visualizer-shell {
  width: min(1240px, calc(100% - 28px));
  margin: 0 auto;
  padding: 44px 0 70px;
}

.hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 26px;
}

.hero > div:first-child { max-width: 770px; }

.eyebrow {
  color: var(--accent-2);
  font-weight: 850;
  letter-spacing: .15em;
  font-size: 12px;
  margin: 0 0 10px;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(38px, 5.8vw, 72px);
  line-height: .95;
  letter-spacing: -.05em;
}

.intro {
  color: var(--muted);
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.65;
  margin: 20px 0 0;
  max-width: 730px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  max-width: 330px;
}

.hero-badges span {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.025);
  color: #cbd2cd;
  padding: 9px 11px;
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}

.size-picker {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 9px;
  margin: 0 0 14px;
}

.size-btn, .control-btn {
  border: 1px solid var(--line);
  background: #111713;
  color: var(--text);
  border-radius: 12px;
  min-height: 46px;
  font-weight: 780;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
}

.size-btn:hover, .control-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(149,211,111,.55);
}

.size-btn.active {
  background: var(--accent);
  color: #091009;
  border-color: transparent;
  box-shadow: 0 8px 28px rgba(120,185,78,.2);
}

.viewer-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.viewer-toolbar {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.unit-name {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 870;
  letter-spacing: -.02em;
}

.unit-meta {
  color: var(--muted);
  margin-top: 5px;
  font-size: 14px;
}

.toolbar-actions {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.control-btn { padding: 0 15px; }
.control-btn.secondary { background: transparent; }

.viewer {
  position: relative;
  width: 100%;
  height: min(70vh, 720px);
  min-height: 460px;
  background:
    radial-gradient(circle at 50% 28%, rgba(255,255,255,.04), transparent 35%),
    linear-gradient(#1e2621, #0f1311);
}

.viewer canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.viewer-help,
.brand-plate {
  pointer-events: none;
  position: absolute;
  z-index: 3;
  backdrop-filter: blur(10px);
}

.viewer-help {
  left: 14px;
  bottom: 14px;
  padding: 9px 11px;
  border-radius: 10px;
  background: rgba(0,0,0,.46);
  color: #d8ddd9;
  font-size: 12px;
}

.brand-plate {
  top: 14px;
  right: 14px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(7,12,8,.58);
  border: 1px solid rgba(149,211,111,.24);
  color: #dce7dd;
  font-weight: 800;
  letter-spacing: .09em;
  font-size: 10px;
}

.viewer-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 18px 14px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--line);
}

.info-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.info-card {
  min-height: 100px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--panel-2);
}

.info-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.info-card strong {
  display: block;
  font-size: 18px;
  line-height: 1.25;
}

.feature-strip {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--line);
  gap: 1px;
}

.feature-strip > div {
  padding: 17px;
  background: rgba(18,24,20,.96);
}

.feature-strip strong {
  display: block;
  margin-bottom: 5px;
}

.feature-strip span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 920px) {
  .hero { align-items: start; flex-direction: column; }
  .hero-badges { justify-content: flex-start; max-width: none; }
  .size-picker { grid-template-columns: repeat(4, 1fr); }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 650px) {
  .visualizer-shell {
    width: min(100% - 16px, 1240px);
    padding-top: 24px;
  }

  h1 { font-size: clamp(36px, 12vw, 54px); }

  .size-picker {
    grid-template-columns: repeat(4, 1fr);
    gap: 7px;
  }

  .size-btn {
    min-height: 42px;
    font-size: 13px;
  }

  .viewer-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .toolbar-actions button {
    min-width: 0;
    padding: 0 8px;
    font-size: 12px;
  }

  .viewer {
    height: 58vh;
    min-height: 390px;
  }

  .viewer-footer {
    flex-direction: column;
    gap: 5px;
  }

  .info-grid, .feature-strip { grid-template-columns: 1fr; }
}

@media (max-width: 390px) {
  .toolbar-actions { grid-template-columns: 1fr; }
  .viewer { min-height: 360px; }
}





/* Embedded website mode */
.embed-mode body {
  background: transparent;
}

.embed-mode .visualizer-shell {
  width: 100%;
  padding: 0;
}

.embed-mode .hero,
.embed-mode .info-grid,
.embed-mode .feature-strip {
  display: none;
}

.embed-mode .size-picker {
  margin-top: 0;
}

.embed-mode .viewer-card {
  box-shadow: none;
}

.embed-mode .viewer {
  height: 560px;
  min-height: 420px;
}

@media (max-width: 650px) {
  .embed-mode .viewer {
    height: 440px;
    min-height: 360px;
  }
}