:root {
  --primary-bg: #111111;
  --primary-bg-2: #161616;
  --secondary-bg: #1d1d1d;
  --secondary-bg-2: #242424;
  --accent-color: #d4af37;
  --accent-color-soft: rgba(212, 175, 55, 0.18);
  --text-main: #f1f1f1;
  --text-muted: #aaaaaa;
  --border-soft: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 20px 45px rgba(0, 0, 0, 0.35);
  --font-heading: "Playfair Display", serif;
  --font-body: "Inter", sans-serif;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  background:
    radial-gradient(
      circle at top left,
      rgba(212, 175, 55, 0.08),
      transparent 22%
    ),
    radial-gradient(
      circle at top right,
      rgba(255, 255, 255, 0.04),
      transparent 20%
    ),
    linear-gradient(180deg, #111111 0%, #0f0f0f 100%);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  opacity: 0.25;
  mask-image: radial-gradient(circle at center, black 25%, transparent 85%);
  z-index: -1;
}

h1,
h2,
h3,
.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.01em;
}

p {
  line-height: 1.8;
}

code {
  color: #f0d67e;
}

.text-accent {
  color: var(--accent-color);
}

#page-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 1200;
  background: linear-gradient(
    90deg,
    rgba(212, 175, 55, 0.1),
    var(--accent-color),
    rgba(212, 175, 55, 0.1)
  );
  box-shadow: 0 0 18px rgba(212, 175, 55, 0.55);
}

.navbar {
  background-color: rgba(17, 17, 17, 0.78) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition:
    padding 0.25s ease,
    box-shadow 0.25s ease;
}

.navbar.scrolled {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.navbar-brand {
  font-size: 1.45rem;
  letter-spacing: 0.04em;
}

.nav-link {
  color: var(--text-muted) !important;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.11em;
  position: relative;
  transition: color 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main) !important;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 2px;
  transform: translateX(-50%);
  background: var(--accent-color);
  transition: width 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.hero-section {
  position: relative;
  overflow: hidden;
  padding: 150px 0 96px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(
      circle at 50% 25%,
      rgba(212, 175, 55, 0.08),
      transparent 28%
    ),
    radial-gradient(
      circle at 20% 20%,
      rgba(255, 255, 255, 0.03),
      transparent 24%
    ),
    linear-gradient(180deg, var(--primary-bg) 0%, #0e0e0e 100%);
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 150px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.42));
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.5;
  pointer-events: none;
}

.hero-orb-a {
  width: 260px;
  height: 260px;
  top: 12%;
  left: -90px;
  background: rgba(212, 175, 55, 0.12);
  animation: floaty 12s ease-in-out infinite;
}

.hero-orb-b {
  width: 320px;
  height: 320px;
  right: -110px;
  bottom: 2%;
  background: rgba(255, 255, 255, 0.04);
  animation: floaty 15s ease-in-out infinite reverse;
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-18px) translateX(12px);
  }
}

.eyebrow {
  color: var(--accent-color);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 700;
}

.hero-copy h1 {
  font-size: clamp(3.1rem, 6vw, 5.7rem);
  line-height: 0.98;
  margin-bottom: 1rem;
}

.hero-copy .lead,
.section-subtitle {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 680px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-stat {
  min-width: 118px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow-soft);
}

.hero-stat strong {
  display: block;
  font-size: 1.4rem;
  line-height: 1;
}

.hero-stat span {
  color: var(--text-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero-showcase-card {
  position: relative;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.04),
      rgba(255, 255, 255, 0.015)
    ),
    rgba(20, 20, 20, 0.88);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  padding: 18px;
}

.hero-showcase-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at top left,
      rgba(212, 175, 55, 0.1),
      transparent 30%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(255, 255, 255, 0.04),
      transparent 30%
    );
  pointer-events: none;
}

.hero-showcase-top {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  z-index: 1;
}

.hero-showcase-title {
  font-size: clamp(1.8rem, 2.2vw, 2.5rem);
}

.icon-button {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.icon-button:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(212, 175, 55, 0.35);
}

.icon-button.is-active {
  background: rgba(212, 175, 55, 0.14);
  border-color: rgba(212, 175, 55, 0.45);
  color: var(--accent-color);
  box-shadow:
    0 0 0 1px rgba(212, 175, 55, 0.12),
    0 10px 22px rgba(0, 0, 0, 0.24);
}

.icon-button.is-active:hover {
  background: rgba(212, 175, 55, 0.18);
  border-color: rgba(212, 175, 55, 0.55);
}

.hero-spotlight-trigger {
  display: block;
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  position: relative;
  z-index: 1;
}

.hero-spotlight-image {
  width: 100%;
  max-height: min(68vh, 640px);
  object-fit: contain;
  display: block;
  border-radius: 22px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.015)
  );
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
  min-height: 320px;
}

.hero-showcase-caption {
  position: relative;
  z-index: 1;
  padding: 16px 4px 2px;
}

.section-padding {
  padding: 88px 0;
}

.section-heading {
  margin-bottom: 42px;
}

.section-title {
  font-size: clamp(2.1rem, 3vw, 3rem);
}

.section-title::after {
  content: "";
  display: block;
  width: 68px;
  height: 2px;
  background: var(--accent-color);
  margin: 16px auto 0;
  border-radius: 999px;
}

.masonry-grid {
  width: 100%;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.masonry-grid.ready {
  opacity: 1;
}

.grid-sizer,
.masonry-item {
  width: 100%;
}

.masonry-item {
  padding: 10px;
}

@media (min-width: 768px) {
  .grid-sizer,
  .masonry-item {
    width: 50%;
  }
}

@media (min-width: 992px) {
  .grid-sizer,
  .masonry-item {
    width: 33.333333%;
  }
}

@media (min-width: 1400px) {
  .grid-sizer,
  .masonry-item {
    width: 25%;
  }
}

.gallery-item {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--secondary-bg);
  cursor: pointer;
  transform-style: preserve-3d;
  will-change: transform;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
  transition:
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.gallery-item:hover {
  border-color: rgba(212, 175, 55, 0.22);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5);
}

.gallery-img-container {
  width: 100%;
  background: linear-gradient(180deg, #242424, #181818);
}

.gallery-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition:
    transform 0.55s ease,
    filter 0.55s ease;
}

.gallery-item:hover .gallery-img {
  transform: scale(1.045);
  filter: saturate(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 3rem 1.3rem 1.2rem;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.42) 35%,
    rgba(0, 0, 0, 0.94) 100%
  );
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
  transform: translateY(0);
}

.gallery-title {
  font-size: 1.22rem;
  margin-bottom: 0.15rem;
  font-family: var(--font-heading);
  color: #fff;
}

.gallery-category {
  margin-bottom: 0.45rem;
  font-size: 0.8rem;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
}

.gallery-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: #ddd;
}

.gallery-status.view-only {
  color: #ffb9b9;
  border-color: rgba(220, 53, 69, 0.26);
  background: rgba(220, 53, 69, 0.08);
}

.filter-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-muted);
  padding: 0.58rem 1.2rem;
  border-radius: 999px;
  margin: 0.25rem;
  transition: all 0.25s ease;
  font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--text-main);
  color: var(--primary-bg);
  border-color: var(--text-main);
  transform: translateY(-1px);
}

.about-section {
  background:
    radial-gradient(
      circle at top left,
      rgba(212, 175, 55, 0.05),
      transparent 26%
    ),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 60%),
    var(--primary-bg-2);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.about-frame {
  position: relative;
  padding: 14px;
  border-radius: 28px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.015)
  );
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
}

.about-image {
  width: 100%;
  border-radius: 20px;
  display: block;
}

.footer-section {
  background: #0a0a0a;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 3.6rem 0 3rem;
}

.social-link {
  color: var(--text-muted);
  font-size: 1.5rem;
  margin: 0 10px;
  transition:
    color 0.25s ease,
    transform 0.25s ease;
}

.social-link:hover {
  color: var(--accent-color);
  transform: translateY(-2px);
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  border-radius: 24px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
}

.empty-state i {
  font-size: 2.1rem;
}

.artwork-modal,
.game-modal {
  background:
    radial-gradient(
      circle at top left,
      rgba(212, 175, 55, 0.06),
      transparent 28%
    ),
    linear-gradient(180deg, #141414 0%, #101010 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
}

.modal-header {
  padding-top: 1.1rem;
}

.modal-art-frame {
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  padding: 12px;
}

.modal-img {
  width: 100%;
  max-height: 76vh;
  object-fit: contain;
  display: block;
  border-radius: 16px;
  transition:
    filter 250ms ease,
    opacity 250ms ease,
    transform 250ms ease;
  opacity: 1;
}

#modal-image.is-loading {
  filter: blur(18px);
  transform: scale(1.025);
  opacity: 0.95;
}

#modal-image.is-loaded {
  filter: none;
  transform: none;
}

.btn-close-custom {
  color: var(--text-main);
  background: transparent;
  border: none;
  font-size: 1.45rem;
  opacity: 0.7;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.btn-close-custom:hover {
  opacity: 1;
  transform: rotate(8deg);
}

.download-panel {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.25rem;
}

.game-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.game-stat {
  min-width: 110px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.game-stat strong {
  display: block;
  font-size: 1.4rem;
  line-height: 1;
}

.game-stat span {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.game-stat-best {
  border-color: rgba(212, 175, 55, 0.28);
  background: rgba(212, 175, 55, 0.06);
}

.game-board {
  display: grid;
  gap: 10px;
  width: 100%;
  min-height: 380px;
}

.game-board.is-hidden {
  opacity: 0.5;
}

.game-tile {
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.game-tile:hover {
  transform: none;
}

.game-tile.correct {
  outline: 2px solid rgba(212, 175, 55, 0.8);
  outline-offset: 2px;
}

.app-toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: min(390px, calc(100vw - 32px));
  padding: 14px 16px 16px;
  border-radius: 20px;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.08),
      rgba(255, 255, 255, 0.04)
    ),
    rgba(18, 18, 18, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(14px);
  z-index: 1300;
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  pointer-events: none;
}

.app-toast.show {
  animation:
    toast-in 0.28s ease forwards,
    toast-out 0.35s ease forwards 3.05s;
}

@keyframes toast-in {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }
}

.toast-shell {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}

.toast-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
}

.toast-title {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-color);
  font-weight: 700;
  margin-bottom: 4px;
}

.toast-message {
  margin: 0;
  color: var(--text-main);
  line-height: 1.45;
}

.toast-progress {
  grid-column: 1 / -1;
  height: 3px;
  margin-top: 12px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-color),
    transparent
  );
  transform-origin: left;
  animation: toast-bar 3.3s linear forwards;
}

@keyframes toast-bar {
  from {
    transform: scaleX(1);
  }
  to {
    transform: scaleX(0);
  }
}

.toast-success .toast-icon {
  color: #99f0b1;
}

.toast-error .toast-icon {
  color: #ff8f8f;
}

.toast-info .toast-icon {
  color: #9fd2ff;
}

.toast-warning .toast-icon {
  color: #ffdf86;
}

.reveal-up {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hover-accent:hover {
  color: var(--accent-color) !important;
}

@media (max-width: 991.98px) {
  .hero-section {
    padding-top: 128px;
    min-height: auto;
  }

  .hero-showcase-image {
    min-height: 260px;
  }

  .hero-showcase-top {
    flex-direction: column;
    align-items: stretch;
  }

  .icon-button {
    flex: 1;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 72px 0;
  }

  .hero-section {
    padding: 112px 0 76px;
  }

  .hero-copy h1 {
    font-size: clamp(2.7rem, 14vw, 4.2rem);
  }

  .hero-stat {
    flex: 1 1 110px;
  }

  .hero-spotlight-image {
    min-height: 220px;
    max-height: 380px;
  }

  .cursor-dot,
  .cursor-outline {
    display: none;
  }

  * {
    cursor: auto;
  }

  .app-toast {
    right: 16px;
    bottom: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-orb {
    animation: none !important;
  }
}

.hero-spotlight-trigger:focus-visible,
.icon-button:focus-visible,
.fab-top:focus-visible,
.filter-btn:focus-visible,
#download-btn:focus-visible,
#game-restart:focus-visible {
  outline: 2px solid rgba(212, 175, 55, 0.7);
  outline-offset: 3px;
}

.hero-showcase-top .icon-button {
  flex: 0 0 auto;
}

.hero-showcase-top .icon-button + .icon-button {
  margin-left: 2px;
}

.download-btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.download-btn.is-disabled:hover {
  transform: none;
}

.game-progress {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

#game-progress-bar {
  width: 100%;
  height: 100%;
  transform-origin: left center;
  background: linear-gradient(
    90deg,
    rgba(212, 175, 55, 0.22),
    var(--accent-color),
    rgba(212, 175, 55, 0.25)
  );
  transition: transform 0.1s linear;
}

.fab-top {
  position: fixed;
  right: 24px;
  bottom: 92px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(18, 18, 18, 0.9);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(12px);
  z-index: 1250;
  opacity: 0;
  transform: translateY(14px) scale(0.95);
  pointer-events: none;
  transition:
    opacity 0.22s ease,
    transform 0.22s ease,
    border-color 0.22s ease;
}

.fab-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.fab-top:hover {
  border-color: rgba(212, 175, 55, 0.35);
  transform: translateY(-2px) scale(1.02);
}

@media (max-width: 768px) {
  .fab-top {
    right: 16px;
    bottom: 82px;
  }
}