:root {
  --void-0: #03030a;
  --void-1: #0b0c1f;
  --void-2: #18183a;
  --mist-0: #d6dcff;
  --mist-1: #9ca8de;
  --mist-2: #6f77b8;
  --pulse-a: #7de2d1;
  --pulse-b: #6ea3ff;
  --pulse-c: #b58cff;
  --edge: rgba(255, 255, 255, 0.14);
  --card: rgba(11, 13, 35, 0.72);
  --card-strong: rgba(12, 14, 40, 0.88);
  --blur: 18px;
  --radius: 18px;
  --shadow-void: 0 1px 1px rgba(0, 0, 0, 0.5),
    0 20px 40px rgba(5, 7, 25, 0.7),
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 0 45px rgba(125, 226, 209, 0.1),
    0 0 95px rgba(181, 140, 255, 0.11);
  --shadow-ink: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(255, 255, 255, 0.04),
    0 24px 44px rgba(3, 4, 14, 0.9);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--void-0);
}

body {
  margin: 0;
  color: var(--mist-0);
  font-family: "Georgia", "Times New Roman", serif;
  line-height: 1.72;
  letter-spacing: 0.015em;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(1200px 700px at 15% 15%, rgba(125, 226, 209, 0.18), transparent 56%),
    radial-gradient(950px 540px at 80% 10%, rgba(110, 163, 255, 0.2), transparent 58%),
    radial-gradient(850px 600px at 40% 86%, rgba(181, 140, 255, 0.2), transparent 60%),
    conic-gradient(from 200deg at 75% 35%, rgba(125, 226, 209, 0.1), rgba(110, 163, 255, 0.06), rgba(181, 140, 255, 0.13), rgba(125, 226, 209, 0.1)),
    linear-gradient(140deg, var(--void-0), var(--void-1) 36%, #0f1230 55%, var(--void-2));
  background-attachment: fixed, fixed, fixed, fixed, fixed;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: -12vmax;
  pointer-events: none;
  z-index: -2;
}

body::before {
  background:
    radial-gradient(circle at 20% 35%, rgba(255, 255, 255, 0.18) 0 1px, transparent 2px),
    radial-gradient(circle at 80% 15%, rgba(255, 255, 255, 0.17) 0 1px, transparent 2px),
    radial-gradient(circle at 54% 70%, rgba(255, 255, 255, 0.12) 0 1px, transparent 2px),
    radial-gradient(circle at 10% 82%, rgba(255, 255, 255, 0.12) 0 1px, transparent 2px);
  background-size: 260px 260px, 220px 220px, 240px 240px, 200px 200px;
  opacity: 0.55;
  animation: drift-stars 40s linear infinite;
}

body::after {
  z-index: -1;
  background:
    radial-gradient(55% 42% at 50% 22%, rgba(125, 226, 209, 0.14), transparent 70%),
    radial-gradient(48% 38% at 38% 76%, rgba(181, 140, 255, 0.13), transparent 70%),
    radial-gradient(40% 34% at 80% 60%, rgba(110, 163, 255, 0.1), transparent 70%);
  filter: blur(30px);
  animation: breathe 12s ease-in-out infinite alternate;
}

.page-wrapper {
  width: min(1180px, calc(100% - 2rem));
  margin: 1.2rem auto 4rem;
  display: grid;
  grid-template-columns: 1.45fr minmax(250px, 0.85fr);
  gap: 1.2rem;
  position: relative;
}

.page-wrapper::before {
  content: "";
  position: absolute;
  inset: -1rem;
  z-index: -1;
  border-radius: 26px;
  clip-path: polygon(1% 4%, 98% 0, 100% 96%, 2% 100%);
  background:
    linear-gradient(120deg, rgba(125, 226, 209, 0.14), rgba(110, 163, 255, 0.1), rgba(181, 140, 255, 0.13));
  filter: blur(30px);
  opacity: 0.9;
}

.intro,
.main.supporting,
.sidebar {
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
}

.intro,
.main.supporting {
  background: linear-gradient(145deg, var(--card), rgba(10, 12, 33, 0.55));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-void);
}

.intro {
  padding: 1.2rem;
  display: grid;
  gap: 1rem;
}

.main.supporting {
  grid-column: 1;
  padding: 1rem;
}

.sidebar {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: start;
  position: sticky;
  top: 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background:
    linear-gradient(158deg, var(--card-strong), rgba(5, 8, 28, 0.75)),
    radial-gradient(160% 80% at 20% 0, rgba(125, 226, 209, 0.22), transparent 70%);
  box-shadow: var(--shadow-ink);
  overflow: hidden;
}

.sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.04) 0 2px,
    transparent 2px 12px
  );
  opacity: 0.35;
}

.sidebar .wrapper {
  position: relative;
  padding: 1rem;
  z-index: 1;
}

header[role="banner"] {
  position: relative;
  padding: 1.1rem 1rem 1.3rem;
  border-radius: 14px;
  overflow: hidden;
  background:
    linear-gradient(136deg, rgba(7, 11, 35, 0.95), rgba(18, 21, 54, 0.84)),
    radial-gradient(120% 90% at 20% 15%, rgba(125, 226, 209, 0.3), transparent 80%);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 18px 30px rgba(2, 4, 16, 0.85),
    0 0 90px rgba(110, 163, 255, 0.16);
}

header[role="banner"]::after {
  content: "";
  position: absolute;
  right: -20%;
  top: -35%;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.5), rgba(181, 140, 255, 0.24) 35%, transparent 70%);
  filter: blur(6px);
  mix-blend-mode: screen;
  transform: rotate(22deg);
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 500;
}

h1 {
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.16),
    0 0 15px rgba(125, 226, 209, 0.5),
    0 0 28px rgba(110, 163, 255, 0.45);
}

h2 {
  margin-top: 0.65rem;
  color: var(--mist-1);
  font-size: clamp(1rem, 1.9vw, 1.25rem);
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

h3 {
  color: #dce4ff;
  font-size: clamp(1.02rem, 1.8vw, 1.34rem);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.summary,
.preamble,
.explanation,
.participation,
.benefits,
.requirements,
.design-selection,
.design-archives,
.zen-resources {
  position: relative;
  background: linear-gradient(150deg, rgba(10, 12, 32, 0.8), rgba(20, 24, 57, 0.42));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 1rem 1rem 1.15rem;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 14px 26px rgba(0, 0, 0, 0.42),
    0 0 36px rgba(181, 140, 255, 0.08);
  overflow: hidden;
}

.summary::before,
.preamble::before,
.explanation::before,
.participation::before,
.benefits::before,
.requirements::before,
.design-selection::before,
.design-archives::before,
.zen-resources::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  clip-path: polygon(0 0, 100% 0, 100% 12%, 0 27%);
  background: linear-gradient(95deg, rgba(125, 226, 209, 0.19), rgba(110, 163, 255, 0.09), transparent);
}

.main.supporting > div {
  margin-bottom: 1rem;
}

.main.supporting > div:last-of-type {
  margin-bottom: 0;
}

.summary p:last-child {
  margin-bottom: 0;
}

p,
li {
  color: var(--mist-1);
}

abbr {
  text-decoration-style: wavy;
  text-decoration-color: rgba(125, 226, 209, 0.7);
  cursor: help;
}

a {
  color: #daf6ff;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(181, 140, 255, 0.8);
  text-underline-offset: 0.2em;
  transition: color 220ms ease, text-shadow 220ms ease, transform 220ms ease;
}

a:hover,
a:focus-visible {
  color: #ffffff;
  text-shadow: 0 0 14px rgba(125, 226, 209, 0.7);
  transform: translateY(-1px);
}

a:focus-visible {
  outline: 2px solid rgba(125, 226, 209, 0.8);
  outline-offset: 3px;
  border-radius: 3px;
}

footer {
  margin-top: 1rem;
  border-radius: 14px;
  background: linear-gradient(132deg, rgba(9, 12, 35, 0.85), rgba(29, 34, 75, 0.62));
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 12px 22px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.8rem;
}

footer a {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.3rem 0.7rem;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.sidebar ul,
.sidebar li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar li + li {
  margin-top: 0.55rem;
}

.design-name,
.designer-name,
.sidebar .viewall a,
.sidebar .next a,
.zen-resources a {
  display: inline-block;
  padding: 0.22rem 0.34rem;
  border-radius: 6px;
}

.design-name {
  color: #ffffff;
  font-variant: small-caps;
  letter-spacing: 0.08em;
}

.designer-name {
  color: #9adad6;
}

.indicator {
  display: inline-block;
  transform-origin: center;
  animation: pulse-arrow 1.6s ease-in-out infinite;
}

.extra1,
.extra2,
.extra3,
.extra4,
.extra5,
.extra6 {
  position: fixed;
  width: 18vmax;
  aspect-ratio: 1;
  border-radius: 26% 74% 32% 68% / 30% 37% 63% 70%;
  filter: blur(2px);
  pointer-events: none;
  opacity: 0.42;
  z-index: -1;
  mix-blend-mode: screen;
}

.extra1 {
  left: -6vmax;
  top: 14vh;
  background: radial-gradient(circle at 35% 30%, rgba(125, 226, 209, 0.46), transparent 64%);
  animation: float-blob 24s ease-in-out infinite;
}

.extra2 {
  right: -5vmax;
  top: 62vh;
  background: radial-gradient(circle at 40% 35%, rgba(181, 140, 255, 0.44), transparent 64%);
  animation: float-blob 28s ease-in-out -7s infinite reverse;
}

.extra3 {
  right: 24vw;
  top: -4vmax;
  background: radial-gradient(circle at 35% 40%, rgba(110, 163, 255, 0.42), transparent 64%);
  animation: float-blob 26s ease-in-out -3s infinite;
}

.extra4,
.extra5,
.extra6 {
  display: none;
}

/* Scroll-linked reveal where supported; regular animation remains as fallback. */
.summary,
.preamble,
.main.supporting > div,
.sidebar > .wrapper > div,
footer {
  transform: translateY(18px) scale(0.99);
  opacity: 0;
  animation: rise-in 680ms ease forwards;
}

.summary { animation-delay: 40ms; }
.preamble { animation-delay: 140ms; }
.explanation { animation-delay: 190ms; }
.participation { animation-delay: 260ms; }
.benefits { animation-delay: 310ms; }
.requirements { animation-delay: 380ms; }
.design-selection { animation-delay: 420ms; }
.design-archives { animation-delay: 500ms; }
.zen-resources { animation-delay: 580ms; }
footer { animation-delay: 640ms; }

@supports (animation-timeline: view()) {
  .summary,
  .preamble,
  .main.supporting > div,
  .sidebar > .wrapper > div,
  footer {
    animation: reveal linear both;
    animation-timeline: view();
    animation-range: entry 10% cover 35%;
  }
}

@media (max-width: 980px) {
  .page-wrapper {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .sidebar {
    grid-column: 1;
    grid-row: auto;
    position: relative;
    top: auto;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 0.96rem;
  }

  .page-wrapper {
    width: min(100%, calc(100% - 1rem));
    margin-top: 0.5rem;
  }

  .intro,
  .main.supporting,
  .sidebar .wrapper {
    padding: 0.78rem;
  }

  header[role="banner"] {
    padding: 0.9rem;
  }
}

@keyframes drift-stars {
  from { transform: translateY(0) translateX(0); }
  to { transform: translateY(-36px) translateX(-24px); }
}

@keyframes breathe {
  from { transform: scale(1) translateY(0); }
  to { transform: scale(1.08) translateY(-1.5%); }
}

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

@keyframes reveal {
  from {
    transform: translateY(24px) scale(0.99);
    opacity: 0.1;
    filter: blur(4px);
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes float-blob {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(2vmax, -3vmax) scale(1.14) rotate(10deg);
  }
  100% {
    transform: translate(-1.5vmax, 1vmax) scale(0.94) rotate(-8deg);
  }
}

@keyframes pulse-arrow {
  0%,
  100% {
    transform: translateX(0);
    opacity: 0.8;
  }
  50% {
    transform: translateX(5px);
    opacity: 1;
  }
}