:root {
  --bg: #090d16;
  --paper: rgba(12, 17, 29, 0.78);
  --text: #f5f1e8;
  --muted: #b9c0cc;
  --soft: rgba(245, 241, 232, 0.1);
  --gold: #e7bb55;
  --silver: #d6dee9;
  --accent: #f0c567;
  --shadow: rgba(0, 0, 0, 0.3);
  --brick-opacity: 0.42;
  --brick-opacity-soft: 0.36;
  --bg-brick-opacity: 0.2;
  color-scheme: dark;
  font-family: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(231, 187, 85, 0.16), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(214, 222, 233, 0.1), transparent 26%),
    linear-gradient(135deg, #080b13 0%, var(--bg) 48%, #101525 100%);
  color: var(--text);
}

body.light-mode {
  --bg: #f6f0e5;
  --paper: rgba(255, 252, 246, 0.84);
  --text: #1d2430;
  --muted: #5d6675;
  --soft: rgba(29, 36, 48, 0.11);
  --gold: #bd811c;
  --silver: #718093;
  --accent: #a86812;
  --shadow: rgba(64, 49, 29, 0.16);
  --brick-opacity: 0.64;
  --brick-opacity-soft: 0.58;
  --bg-brick-opacity: 0.28;
  color-scheme: light;
  background:
    radial-gradient(circle at 12% 8%, rgba(189, 129, 28, 0.16), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(113, 128, 147, 0.12), transparent 26%),
    linear-gradient(135deg, #f9f5ee 0%, var(--bg) 54%, #ece4d5 100%);
}

.background-scene {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.soft-grid {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(var(--soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--soft) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, transparent, #000 16%, #000 78%, transparent);
}

.metal {
  position: absolute;
  width: 210px;
  height: 54px;
  border-radius: 6px;
  opacity: var(--bg-brick-opacity);
  transform: rotate(-8deg);
  filter: blur(0.1px);
  clip-path: polygon(10% 0, 90% 0, 100% 100%, 0 100%);
  animation: floatMetal 7s ease-in-out infinite;
}

.metal::before {
  position: absolute;
  top: -15px;
  left: 18px;
  width: calc(100% - 36px);
  height: 24px;
  border-radius: 6px 6px 2px 2px;
  clip-path: polygon(8% 0, 92% 0, 100% 100%, 0 100%);
  content: "";
}

.metal::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 12%, rgba(255, 255, 255, 0.5) 48%, transparent 66%);
  content: "";
  mix-blend-mode: screen;
  opacity: 0.38;
}

.gold {
  background: linear-gradient(115deg, #8c5608 0%, #f0a91f 20%, #ffdf55 52%, #b76f09 100%);
  box-shadow: 0 18px 60px rgba(231, 187, 85, 0.22);
}

.gold::before {
  background: linear-gradient(120deg, #fff4a6 0%, #f7cf35 42%, #b8740b 100%);
}

.silver {
  background: linear-gradient(115deg, #778393 0%, #dbe4ee 32%, #ffffff 54%, #8795a6 100%);
  box-shadow: 0 18px 60px rgba(214, 222, 233, 0.14);
}

.silver::before {
  background: linear-gradient(120deg, #ffffff 0%, #cfd8e4 45%, #7b8797 100%);
}

.metal-one {
  top: 14%;
  left: 6%;
}

.metal-two {
  top: 28%;
  right: 8%;
  animation-delay: -1.8s;
}

.metal-three {
  bottom: 18%;
  left: 10%;
  animation-delay: -3.2s;
}

.metal-four {
  right: 16%;
  bottom: 10%;
  animation-delay: -4.6s;
}

.market-symbol {
  position: absolute;
  color: var(--accent);
  opacity: 0.16;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(2rem, 5vw, 5rem);
  font-weight: 900;
  animation: floatSymbol 9s ease-in-out infinite;
}

.symbol-one {
  top: 18%;
  left: 78%;
}

.symbol-two {
  top: 66%;
  left: 4%;
  animation-delay: -2s;
}

.theme-toggle {
  position: fixed;
  top: 22px;
  right: 22px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--soft);
  border-radius: 999px;
  background: var(--paper);
  box-shadow: 0 16px 38px var(--shadow);
  color: var(--text);
  cursor: pointer;
  backdrop-filter: blur(16px);
}

.theme-toggle:hover {
  border-color: rgba(231, 187, 85, 0.5);
  transform: translateY(-1px);
}

.theme-icon {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  border: 3px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(231, 187, 85, 0.13);
  transition: 180ms ease;
}

.theme-text {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.86rem;
  font-weight: 800;
}

.light-mode .theme-icon {
  border: 0;
  border-radius: 50%;
  background: transparent;
  box-shadow: -6px 3px 0 0 var(--accent);
}

.blog-page {
  width: min(100% - 34px, 920px);
  margin: 0 auto;
  padding: clamp(70px, 9vw, 118px) 0;
}

.blog-article {
  display: grid;
  gap: 24px;
}


.content-card {
  padding: clamp(26px, 6vw, 72px);
  border: 1px solid var(--soft);
  background: var(--paper);
  box-shadow: 0 24px 80px var(--shadow);
  backdrop-filter: blur(18px);
}


.heading-card {
  padding: 5rem 5.5rem 4rem;
}

.heading-card {
  clip-path: polygon(22px 0, calc(100% - 22px) 0, 100% 22px, 100% calc(100% - 22px), calc(100% - 22px) 100%, 22px 100%, 0 calc(100% - 22px), 0 22px);
}

.content-card {
  border-radius: 10px;
}

.article-header {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(135deg, rgba(231, 187, 85, 0.18), transparent 36%),
    radial-gradient(circle at 78% 22%, rgba(214, 222, 233, 0.18), transparent 30%),
    var(--paper);
}

.article-header::before {
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(231, 187, 85, 0.18);
  clip-path: polygon(16px 0, calc(100% - 16px) 0, 100% 16px, 100% calc(100% - 16px), calc(100% - 16px) 100%, 16px 100%, 0 calc(100% - 16px), 0 16px);
  content: "";
  opacity: 0.7;
}

.article-header::after {
  position: absolute;
  right: -18%;
  bottom: -45%;
  width: 560px;
  max-width: 80vw;
  aspect-ratio: 1;
  border: 2px solid rgba(231, 187, 85, 0.22);
  border-radius: 50%;
  box-shadow: 0 0 80px rgba(231, 187, 85, 0.18);
  content: "";
}

.article-header > *:not(.heading-bars) {
  position: relative;
  z-index: 1;
}

.heading-bars {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent 0%, #000 13%, #000 87%, transparent 100%);
}

.heading-bar {
  position: absolute;
  width: clamp(150px, 28vw, 270px);
  height: clamp(42px, 6vw, 70px);
  border-radius: 7px;
  opacity: 0;
  --tilt: -8deg;
  transform: rotate(var(--tilt));
  clip-path: polygon(10% 0, 90% 0, 100% 100%, 0 100%);
  animation-duration: 7.5s;
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(0.45, 0, 0.2, 1);
}

.heading-bar::before {
  position: absolute;
  top: -18px;
  left: 20px;
  width: calc(100% - 40px);
  height: 30px;
  border-radius: 8px 8px 2px 2px;
  clip-path: polygon(8% 0, 92% 0, 100% 100%, 0 100%);
  content: "";
}

.heading-bar::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, transparent 12%, rgba(255, 255, 255, 0.58) 46%, transparent 63%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.2), transparent 28%, transparent 72%, rgba(0, 0, 0, 0.24));
  content: "";
  opacity: 0.5;
  mix-blend-mode: screen;
}

.gold-bar {
  border: 1px solid rgba(255, 236, 154, 0.5);
  background: linear-gradient(115deg, #895406 0%, #d8890c 19%, #ffe56a 48%, #c47b09 78%, #7b4705 100%);
  box-shadow: 0 22px 70px rgba(231, 187, 85, 0.32), inset 0 -12px 18px rgba(87, 45, 0, 0.34);
}

.gold-bar::before {
  background: linear-gradient(120deg, #fff7b5 0%, #f6cd35 48%, #a86406 100%);
}

.silver-bar {
  border: 1px solid rgba(255, 255, 255, 0.58);
  background: linear-gradient(115deg, #667284 0%, #c8d2de 24%, #ffffff 48%, #8a98aa 78%, #596678 100%);
  box-shadow: 0 22px 70px rgba(214, 222, 233, 0.24), inset 0 -12px 18px rgba(33, 43, 58, 0.28);
}

.silver-bar::before {
  background: linear-gradient(120deg, #ffffff 0%, #dbe3ec 48%, #7c8999 100%);
}

.title-bar-one {
  top: 0;
  right: 12%;
  --tilt: -8deg;
  animation-name: fallThroughCard;
}

.title-bar-two {
  top: 0;
  right: 23%;
  --tilt: 5deg;
  animation-name: riseThroughCard;
  animation-delay: -1.3s;
}

.title-bar-three {
  top: 0;
  right: 5%;
  width: clamp(120px, 22vw, 210px);
  --tilt: -3deg;
  animation-name: fallThroughCard;
  animation-delay: -2.7s;
}

.title-bar-four {
  top: 0;
  left: 9%;
  width: clamp(130px, 24vw, 230px);
  --tilt: 8deg;
  animation-name: riseThroughCard;
  animation-delay: -3.4s;
}

.title-bar-five {
  top: 0;
  left: 22%;
  width: clamp(115px, 20vw, 190px);
  --tilt: -10deg;
  animation-name: fallThroughCard;
  animation-delay: -4.8s;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(2.4rem, 5.2vw, 4.9rem);
  line-height: 1;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 28px;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
}

.post-meta span:not(:last-child)::after {
  margin-left: 18px;
  color: var(--soft);
  content: "/";
}

.content-section {
  padding: clamp(24px, 4vw, 42px) 0 0;
}

.content-section:first-child {
  padding-top: 0;
}

.content-section h2 {
  margin-bottom: 16px;
  color: var(--text);
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  line-height: 1.18;
}

.content-section p,
.content-section ul,
.article-footer p {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.06rem, 1.4vw, 1.18rem);
  line-height: 1.95;
}

.content-section p + p,
.content-section p + ul,
.content-section ul + p {
  margin-top: 22px;
}

.content-section ul {
  padding-left: 1.35em;
}

.content-section li::marker {
  color: var(--accent);
}

.article-footer {
  margin-top: clamp(36px, 6vw, 58px);
  padding-top: 24px;
  border-top: 1px solid var(--soft);
}

.article-footer p {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.95rem;
  line-height: 1.7;
}

@keyframes floatMetal {
  0%,
  100% {
    transform: translateY(0) rotate(-8deg);
  }
  50% {
    transform: translateY(-30px) rotate(-8deg);
  }
}

@keyframes floatSymbol {
  0%,
  100% {
    transform: translateY(0) rotate(-8deg);
  }
  50% {
    transform: translateY(-24px) rotate(8deg);
  }
}

@keyframes fallThroughCard {
  0% {
    opacity: 0;
    transform: translate3d(0, -130px, 0) rotate(var(--tilt));
  }
  14%,
  82% {
    opacity: var(--brick-opacity);
  }
  100% {
    opacity: 0;
    transform: translate3d(18px, 570px, 0) rotate(var(--tilt));
  }
}

@keyframes riseThroughCard {
  0% {
    opacity: 0;
    transform: translate3d(0, 570px, 0) rotate(var(--tilt));
  }
  16%,
  82% {
    opacity: var(--brick-opacity-soft);
  }
  100% {
    opacity: 0;
    transform: translate3d(-18px, -130px, 0) rotate(var(--tilt));
  }
}

@media (max-width: 680px) {
  .theme-toggle {
    top: 16px;
    right: 16px;
  }

  .blog-page {
    width: min(100% - 22px, 920px);
    padding-top: 82px;
  }

  .heading-card,
  .content-card {
    padding: 24px;
  }

  .article-header {
    min-height: 360px;
  }

  .post-meta {
    display: grid;
    gap: 8px;
  }

  .post-meta span::after {
    display: none;
  }

  .metal {
    width: 155px;
    height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}