:root {
  --bg: #090316;
  --ink: #fff8ef;
  --muted: #aaa0ba;
  --soft: #ded2ec;
  --line: rgba(255, 248, 239, 0.15);
  --panel: rgba(255, 248, 239, 0.075);
  --lime: #ffd36a;
  --cyan: #39c8ff;
  --pink: #ff3dae;
  --font-display: "Chakra Petch", "Noto Sans Thai", sans-serif;
  --font-body: "Noto Sans Thai", sans-serif;
}

:root[data-theme="light"] {
  --bg: #fff7f2;
  --ink: #15101f;
  --muted: #544d61;
  --soft: #2b2436;
  --line: rgba(89, 43, 138, 0.18);
  --panel: rgba(255, 255, 255, 0.58);
  --lime: #ffb000;
  --cyan: #008ad8;
  --pink: #df2ba8;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 12% 80%, rgba(255, 116, 47, 0.14), transparent 30rem),
    radial-gradient(circle at 78% 12%, rgba(57, 200, 255, 0.14), transparent 32rem),
    radial-gradient(circle at 82% 82%, rgba(255, 61, 174, 0.12), transparent 34rem),
    var(--bg);
  background-size: 72px 72px, 72px 72px, auto, auto;
  transition: background 680ms cubic-bezier(0.16, 1, 0.3, 1), color 680ms cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="light"] body {
  background:
    linear-gradient(90deg, rgba(89, 43, 138, 0.045) 1px, transparent 1px),
    linear-gradient(rgba(0, 138, 216, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 12% 78%, rgba(255, 107, 42, 0.18), transparent 30rem),
    radial-gradient(circle at 78% 12%, rgba(0, 138, 216, 0.16), transparent 32rem),
    radial-gradient(circle at 82% 82%, rgba(223, 43, 168, 0.13), transparent 34rem),
    var(--bg);
  background-size: 72px 72px, 72px 72px, auto, auto;
}

a {
  color: inherit;
}

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

.nav,
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 24px max(22px, 5vw);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
}

.site-loader,
.theme-wash {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.theme-wash {
  z-index: 200;
  opacity: 0;
  background:
    linear-gradient(110deg, transparent, color-mix(in srgb, var(--pink) 18%, var(--bg)) 38%, color-mix(in srgb, var(--cyan) 18%, var(--bg)) 62%, transparent);
  transform: translateX(-100%);
  transition: opacity 820ms cubic-bezier(0.16, 1, 0.3, 1), transform 820ms cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-wash.is-active {
  opacity: 0.42;
  transform: translateX(100%);
}

.site-loader {
  z-index: 300;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 520ms cubic-bezier(0.16, 1, 0.3, 1), visibility 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-panel {
  width: min(680px, calc(100vw - 44px));
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--ink) 5%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in srgb, var(--ink) 5%, transparent) 1px, transparent 1px),
    color-mix(in srgb, var(--bg) 86%, transparent);
  background-size: 34px 34px;
}

.loader-panel::before {
  content: "8BIT CASE";
  display: grid;
  place-items: center;
  min-height: 150px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 54px);
  font-weight: 700;
  text-align: center;
  background:
    radial-gradient(circle at 28% 30%, color-mix(in srgb, var(--pink) 25%, transparent), transparent 44%),
    radial-gradient(circle at 72% 64%, color-mix(in srgb, var(--cyan) 20%, transparent), transparent 46%),
    var(--panel);
}

.skeleton {
  position: relative;
  overflow: hidden;
  min-height: 18px;
  background: color-mix(in srgb, var(--ink) 9%, transparent);
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--ink) 14%, transparent), transparent);
  transform: translateX(-100%);
  animation: skeletonSweep 1.25s linear infinite;
}

.skeleton.logo { width: 100%; height: 44px; }
.skeleton.title { width: 100%; height: 76px; }
.skeleton.copy { width: 100%; height: 24px; }
.skeleton.copy.short { width: 58%; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
}

.theme-toggle::before {
  content: "";
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-radius: 999px;
  box-shadow: inset -6px -2px 0 currentColor;
}

:root[data-theme="light"] .theme-toggle::before {
  box-shadow: inset 0 0 0 currentColor;
}

.nav img {
  width: min(280px, 46vw);
  max-height: 86px;
  object-fit: contain;
}

.nav a,
.footer a {
  text-decoration: none;
}

.case {
  width: min(1360px, calc(100% - 44px));
  margin: 0 auto;
  padding: 90px 0 110px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--lime);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 52px;
  height: 2px;
  background: currentColor;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  max-width: 1080px;
  margin-top: 22px;
  font-size: clamp(46px, 8vw, 112px);
  line-height: 0.96;
}

h2 {
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.05;
}

h3 {
  font-size: clamp(22px, 2.2vw, 32px);
}

p,
li {
  color: var(--muted);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.68;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(320px, 0.5fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: end;
}

.hero-copy {
  display: grid;
  gap: 24px;
}

.hero-copy > *,
.panel strong,
.panel li,
.note-copy h2,
.note-copy p,
.eyebrow,
.btn {
  clip-path: inset(0 100% 0 0);
  animation: typeReveal 1180ms steps(34, end) both;
}

.hero-visual,
.panel,
.case-dashboard,
.note {
  animation: caseRise 760ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-visual { animation-delay: 120ms; }
.panel:nth-child(1) { animation-delay: 160ms; }
.panel:nth-child(2) { animation-delay: 250ms; }
.panel:nth-child(3) { animation-delay: 340ms; }
.note { animation-delay: 260ms; }

.hero-visual {
  border: 1px solid var(--line);
  overflow: hidden;
  background: color-mix(in srgb, var(--bg) 86%, #111);
}

.hero-visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.btn.primary {
  border-color: transparent;
  background: var(--lime);
  color: #11130d;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 70px;
  border: 1px solid var(--line);
  background: var(--line);
}

.panel {
  position: relative;
  min-height: 250px;
  padding: 26px;
  background: rgba(8, 9, 11, 0.9);
  overflow: hidden;
}

:root[data-theme="light"] .panel {
  background: rgba(255, 255, 255, 0.68);
}

.panel::after {
  content: "";
  position: absolute;
  inset: auto 22px 20px;
  height: 4px;
  background: linear-gradient(90deg, var(--lime), var(--cyan), var(--pink));
  transform: scaleX(0);
  transform-origin: left;
  animation: panelSignal 2.6s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.panel strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 15px;
  text-transform: uppercase;
}

.panel ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.panel li::before {
  content: "/ ";
  color: var(--lime);
  font-family: var(--font-display);
  font-weight: 700;
}

.note {
  position: relative;
  display: grid;
  grid-template-columns: minmax(310px, 0.58fr) minmax(0, 0.92fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  margin-top: 56px;
  padding: 42px 0 0;
  border-top: 1px solid var(--line);
}

.case-dashboard {
  position: relative;
  min-height: 330px;
  padding: 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--ink) 5%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in srgb, var(--ink) 5%, transparent) 1px, transparent 1px),
    color-mix(in srgb, var(--bg) 82%, transparent);
  background-size: 34px 34px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.case-dashboard::before {
  content: "";
  position: absolute;
  inset: -30% auto auto -18%;
  width: 58%;
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in srgb, var(--pink) 28%, transparent), transparent 62%);
  animation: dashboardFloat 5.4s ease-in-out infinite;
}

.case-dashboard-top,
.case-kpis,
.case-graph {
  position: relative;
  z-index: 1;
}

.case-dashboard-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--soft);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.case-dashboard-top strong {
  color: var(--lime);
  text-align: right;
}

.case-graph {
  height: 170px;
  margin-top: 28px;
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.case-graph span {
  position: absolute;
  bottom: 0;
  left: var(--x);
  width: 10%;
  height: var(--h);
  background: linear-gradient(180deg, var(--pink), color-mix(in srgb, var(--cyan) 45%, var(--pink)));
  transform-origin: bottom;
  animation: caseBarRise 1.25s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: var(--d);
}

.case-graph svg {
  position: absolute;
  inset: 10px 10px 18px 10px;
  width: calc(100% - 20px);
  height: calc(100% - 28px);
  overflow: visible;
}

.case-graph path {
  fill: none;
  stroke: var(--lime);
  stroke-width: 5;
  stroke-linecap: square;
  stroke-linejoin: round;
  stroke-dasharray: 420;
  stroke-dashoffset: 420;
  animation: caseGraphDraw 2.8s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.case-graph .ghost {
  stroke: var(--cyan);
  stroke-width: 2;
  opacity: 0.44;
  animation-delay: 280ms;
}

.case-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 18px;
}

.case-kpis span {
  min-height: 62px;
  padding: 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.case-kpis em {
  display: block;
  margin-top: 5px;
  color: var(--ink);
  font-style: normal;
  font-size: 14px;
  line-height: 1.1;
}

.note-copy {
  max-width: 760px;
}

.footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

@keyframes skeletonSweep {
  to { transform: translateX(100%); }
}

@keyframes caseRise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes typeReveal {
  0% { opacity: 0; clip-path: inset(0 100% 0 0); }
  18% { opacity: 1; }
  100% { opacity: 1; clip-path: inset(0 0 0 0); }
}

@keyframes panelSignal {
  0%, 100% { transform: scaleX(0.22); opacity: 0.5; }
  50% { transform: scaleX(1); opacity: 1; }
}

@keyframes dashboardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes caseBarRise {
  from { transform: scaleY(0); opacity: 0.35; }
  to { transform: scaleY(1); opacity: 1; }
}

@keyframes caseGraphDraw {
  0% { stroke-dashoffset: 420; opacity: 0.35; }
  46%, 78% { stroke-dashoffset: 0; opacity: 1; }
  100% { stroke-dashoffset: -420; opacity: 0.35; }
}

@media (max-width: 860px) {
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }

  .case {
    padding-top: 50px;
  }

  .btn {
    width: 100%;
  }

  .nav {
    flex-wrap: wrap;
  }

  .nav img {
    width: min(230px, 58vw);
    max-height: 66px;
  }

  .theme-toggle {
    margin-left: auto;
  }

  .note {
    grid-template-columns: 1fr;
    padding-top: 34px;
  }

  .case-dashboard {
    min-height: 300px;
  }
}