:root {
  --font-sans: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --bg-900: #04060a;
  --bg-800: #0b1220;
  --surface-700: #111a2a;

  --text-100: #e8edf5;
  --text-300: #a7b3c8;

  --line-500: rgba(154, 180, 219, 0.28);
  --accent-500: #4da3ff;
  --accent-400: #79bcff;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-900);
  color: var(--text-100);
  font-size: 16px;
  line-height: 1.4;
  min-height: 100vh;
}

a {
  color: var(--accent-400);
}

img {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
}
/* ***********************************************       HERO*/
.hero {
  position: relative;
  min-height: 70vh;
  border-bottom: 1px solid var(--line-500);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 520px;
  padding: clamp(2rem, 5vw, 4rem) 1.5rem;
  margin: 0 auto 0 max(1.5rem, 6vw);
}

.hero__content h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.hero__content p {
  margin: 0 0 1.1rem;
  color: var(--text-300);
  max-width: 46ch;
}

.hero__actions {
  display: flex;
  gap: 0.75rem;
}

.hero__actions button {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line-500);
  background: rgba(8, 14, 24, 0.55);
  color: var(--text-100);
  border-radius: 6px;
  cursor: pointer;
}

/* ***********************************************       CARDS*/

.cards {
  padding: 2.5rem 1.5rem;
}

.cards__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.cards__inner h2 {
  margin: 0 0 1rem;
}

.cards__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  border: 1px solid var(--line-500);
  background: rgba(8, 14, 24, 0.72);
  overflow: hidden;
}

.card__thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.card__body {
  padding: 1rem;
}

.card__body h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.9rem;
  line-height: 1.08;
}

.card__body p {
  margin: 0 0 0.9rem;
  color: var(--text-300);
}

.card__body button {
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line-500);
  background: rgba(77, 163, 255, 0.08);
  color: var(--text-100);
  border-radius: 6px;
  cursor: pointer;
}

/* ***********************************************      CAD */

.services {
  padding: 2.5rem 1.5rem;
}

.services__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.services__inner h2 {
  margin: 0 0 1rem;
}

.services__row {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}
.service-icon-item {
  background: none;
  border: 0;
  padding: 0;
  width: 100%;
  text-align: left;
}

.service-icon-item__icon {
  display: inline-flex;
  width: 44px;
  height: 44px;
  color: var(--accent-400);
  margin-bottom: 0.6rem;
}

.service-icon-item__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-icon-item__title {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 650;
}

.service-icon-item__blurb {
  display: block;
  margin: 0;
  color: var(--text-300);
  font-size: 0.95rem;
  line-height: 1.35;
  max-width: 28ch;
}


/* ***********************************************      FOOT*/
.site-footer {
  border-top: 1px solid var(--line-500);
  padding: 1.25rem 1.5rem;
}

.site-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.site-footer__copy {
  margin: 0;
  color: var(--text-300);
}

.site-footer__nav {
  display: flex;
  gap: 1rem;
}

.site-footer__nav a {
  color: var(--text-300);
  text-decoration: none;
}

.site-footer__nav a:hover {
  color: var(--text-100);
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 14, 0.72);
  display: grid;
  place-items: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-panel {
  width: min(680px, 94vw);
  max-height: 90vh;
  overflow: auto;
  background: var(--bg-800);
  border: 1px solid var(--line-500);
  border-radius: 12px;
  padding: 1rem;
  color: var(--text-100);
}

#categoryModalClose,
#sceneModalClose {
  float: right;
  border: 1px solid var(--line-500);
  background: transparent;
  color: var(--text-100);
  border-radius: 6px;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
}

#categoryModalTitle,
#sceneModalTitle {
  margin: 0 0 0.9rem;
}

.hero-stage {
  width: 100%;
  height: 100%;
}

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

/* ************ HUD GROUP ************ */
.hud-group {
  position: fixed;
  top: 3.5rem;
  left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 200;
  background: rgba(16, 24, 40, 0.55);
  border: 1.5px solid var(--line-500);
  border-radius: 18px;
  box-shadow: 0 4px 24px 0 rgba(0,0,0,0.18);
  padding: 1.2rem 1rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  min-width: 160px;
}

.hud-btn {
  font: inherit;
  padding: 0.7rem 1.1rem;
  margin: 0;
  border: 1px solid var(--line-500);
  background: rgba(8, 14, 24, 0.72);
  color: var(--text-100);
  border-radius: 8px;
  cursor: pointer;
  transition: border 0.18s, color 0.18s, box-shadow 0.18s;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.10);
}

.hud-btn:hover,
.hud-btn:focus {
  background: var(--accent-500);
  color: #fff;
  border-color: var(--accent-400);
  outline: none;
  box-shadow: 0 2px 12px 0 rgba(77,163,255,0.18);
}

.hud-panel {
  position: fixed;
  top: 2.5rem;
  right: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: rgba(16, 24, 40, 0.32);
  border: 1.5px solid var(--line-500);
  border-radius: 18px;
  box-shadow: 0 4px 24px 0 rgba(0,0,0,0.18);
  padding: 2rem 1.5rem;
  z-index: 200;
  min-width: 200px;
  align-items: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}


.hud-btn:hover,
.hud-btn:focus {
  background: var(--accent-500);
  color: #fff;
  border-color: var(--accent-400);
  outline: none;
  box-shadow: 0 2px 12px 0 rgba(77,163,255,0.18);
}
.sharpener-control {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  display: grid;
  gap: 0.45rem;
  width: 220px;
  padding: 0.75rem;
  border: 1px solid rgba(154, 180, 219, 0.28);
  border-radius: 8px;
  background: rgba(4, 6, 10, 0.72);
  color: #e8edf5;
  backdrop-filter: blur(10px);
}

.sharpener-control span {
  font-size: 0.85rem;
  color: #a7b3c8;
}

.sharpener-control input[type="range"] {
  width: 100%;
}

.sharpener-hud {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(2, minmax(96px, 1fr));
  gap: 0.4rem;
  width: 220px;
}

.sharpener-hud__button {
  
  min-width: 112px;
  border: 1px solid rgba(121, 188, 255, 0.65);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  background: rgba(8, 14, 24, 0.78);
  color: var(--text-100);
  cursor: pointer;
  backdrop-filter: blur(10px);
}


.sharpener-hud__button--wide {
  grid-column: 1 / -1;
}

.sharpener-hud__button:hover {
  border-color: var(--accent-400);
  background: rgba(77, 163, 255, 0.16);
}

.sharpener-hud__button--active {
  border-color: var(--accent-400);
  background: rgba(77, 163, 255, 0.24);
}

.sharpener-hud__button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.sharpener-hud__button:hover:not(:disabled) {
  background: rgba(77, 163, 255, 0.18);

}
  .scene-sample-host {
  position: relative;
  width: 100%;
  height: min(70vh, 680px);
  min-height: 420px;
}