:root {
  --bg: #1c1510;
  --stone: #2a2118;
  --stone-light: #3a2e22;
  --ink: #f4e6c8;
  --muted: #c4ae8f;
  --gold: #d4af37;
  --gold-dim: #8a6a1f;
  --ember: #e85d04;
  --ember-hot: #ffba08;
  --lava: #ff4d00;
  --line: rgba(212, 175, 55, 0.35);
  --font-display: "Cinzel", Georgia, serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(232, 93, 4, 0.18), transparent 55%),
    linear-gradient(180deg, #120c08 0%, var(--bg) 40%, #0e0a07 100%);
  overflow-x: hidden;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.osrs-vignette {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 55;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(0, 0, 0, 0.45) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.osrs-frame {
  border: 2px solid var(--gold-dim);
  box-shadow:
    inset 0 0 0 1px rgba(212, 175, 55, 0.25),
    0 8px 28px rgba(0, 0, 0, 0.45);
  background:
    linear-gradient(180deg, rgba(58, 46, 34, 0.92), rgba(32, 24, 18, 0.94));
}

.osrs-panel {
  position: relative;
  border: 2px solid var(--gold-dim);
  background:
    linear-gradient(145deg, rgba(58, 46, 34, 0.95) 0%, rgba(28, 21, 16, 0.98) 55%, rgba(42, 30, 20, 0.95) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 220, 150, 0.12),
    inset 0 -2px 0 rgba(0, 0, 0, 0.35),
    0 14px 30px rgba(0, 0, 0, 0.4);
  transform-style: preserve-3d;
}

.osrs-panel::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(212, 175, 55, 0.22);
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0.75rem;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 0.75rem clamp(0.75rem, 3vw, 2rem) 0;
  padding: 0.85rem 1.15rem;
  backdrop-filter: blur(10px);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  text-shadow: 0 0 18px rgba(232, 93, 4, 0.35);
}

.nav {
  display: none;
  gap: 1.5rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--gold);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border: 2px solid #6b4a12;
  border-radius: 0;
  background:
    linear-gradient(180deg, #c9892a 0%, #8a4f0f 48%, #5c3208 100%);
  color: #1a1005;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 230, 160, 0.45),
    0 6px 16px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn-small {
  padding: 0.45rem 0.8rem;
  font-size: 0.68rem;
}

.btn-ghost {
  background: linear-gradient(180deg, #3a2e22, #241a12);
  border-color: var(--gold-dim);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 220, 150, 0.1);
}

.hero {
  position: relative;
  min-height: min(100vh, 980px);
  display: grid;
  align-items: end;
  padding: clamp(4rem, 12vh, 7rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 8vh, 5rem);
  overflow: hidden;
  perspective: 1200px;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 12, 8, 0.82) 0%, rgba(18, 12, 8, 0.35) 48%, rgba(18, 12, 8, 0.15) 100%),
    linear-gradient(180deg, transparent 35%, rgba(18, 12, 8, 0.55) 70%, var(--bg) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  transform: translateZ(40px);
  animation: fade-up 0.9s ease both;
}

.brand-mark {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 8.5vw, 5.4rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--gold);
  text-shadow:
    0 2px 0 #5c3d0c,
    0 0 28px rgba(232, 93, 4, 0.45),
    0 0 60px rgba(255, 77, 0, 0.25);
  animation: brand-glow 4.5s ease-in-out infinite;
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 14ch;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.45rem);
  font-weight: 700;
  line-height: 1.15;
}

.hero-lead {
  margin: 0 0 2rem;
  max-width: 38ch;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.section {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 6.5rem) 0;
  perspective: 1400px;
}

.section-head {
  max-width: 36rem;
  margin-bottom: 2.75rem;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  font-weight: 700;
  color: var(--gold);
  text-shadow: 0 0 20px rgba(232, 93, 4, 0.2);
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.features {
  position: relative;
}

.feature-stage {
  position: absolute;
  inset: 20% 5% auto;
  height: 220px;
  pointer-events: none;
  transform: rotateX(62deg) scale(1.05);
  transform-origin: center top;
  background:
    radial-gradient(ellipse at center, rgba(255, 77, 0, 0.22), transparent 60%),
    linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.12), transparent);
  filter: blur(1px);
  opacity: 0.8;
}

.feature-stage-glow {
  position: absolute;
  inset: 30% 20%;
  background: radial-gradient(circle, rgba(255, 186, 8, 0.25), transparent 70%);
  animation: pulse-rift 5s ease-in-out infinite;
}

.feature-list {
  display: grid;
  gap: 1.5rem;
}

.feature {
  padding: 1.5rem 1.35rem 1.4rem;
}

.feature h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

.feature p {
  margin: 0;
  color: var(--muted);
}

.panel-gem {
  width: 14px;
  height: 14px;
  margin-bottom: 0.9rem;
  transform: rotate(45deg);
  background: linear-gradient(135deg, #7dd3fc, #0284c7);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.gem-amber {
  background: linear-gradient(135deg, #ffe08a, #d97706);
  box-shadow: 0 0 12px rgba(251, 146, 60, 0.55);
}

.gem-crimson {
  background: linear-gradient(135deg, #fb7185, #be123c);
  box-shadow: 0 0 12px rgba(244, 63, 94, 0.55);
}

.tilt-a { transform: rotateY(-4deg) rotateX(3deg); }
.tilt-b { transform: rotateY(0deg) rotateX(4deg) translateY(-6px); }
.tilt-c { transform: rotateY(4deg) rotateX(3deg); }

.install {
  width: 100%;
  max-width: none;
  padding-left: clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1.25rem, 4vw, 3rem);
}

.install .section-head,
.install-block {
  width: min(100%, var(--max));
  margin-left: auto;
  margin-right: auto;
}

.install-block.deep {
  overflow: hidden;
  transform: rotateX(2deg);
}

.install-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.copy-btn {
  border: 1px solid var(--gold-dim);
  background: linear-gradient(180deg, #3a2e22, #241a12);
  color: var(--ink);
  padding: 0.4rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.copy-btn:hover,
.copy-btn.is-copied {
  border-color: var(--gold);
  color: var(--gold);
}

#install-command {
  margin: 0;
  padding: 1.25rem 1.1rem;
  overflow-x: auto;
  background: #100b08;
  color: #ffd7a8;
  font-family: Consolas, "Courier New", monospace;
  font-size: clamp(0.72rem, 2.2vw, 0.9rem);
  line-height: 1.5;
}

.install-steps {
  margin: 0;
  padding: 1.35rem 1.1rem 1.5rem 2.4rem;
  color: var(--muted);
}

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

kbd {
  display: inline-block;
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--gold-dim);
  background: var(--stone);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
}

.review-list {
  display: grid;
  gap: 1.25rem;
}

.review {
  margin: 0;
  padding: 1.35rem 1.25rem;
}

.review p {
  margin: 0 0 0.85rem;
  font-size: 1.08rem;
  font-style: italic;
  color: var(--ink);
}

.review footer {
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-style: normal;
}

.plugin-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 1.1rem;
}

.plugin-list li {
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.plugin-list li:last-child {
  border-bottom: 0;
}

.plugin-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 1.2rem 0.15rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  transition: color 0.2s ease;
}

.plugin-list a:hover {
  color: var(--gold);
}

.plugin-meta {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--muted);
}

.faq-list {
  padding: 0.2rem 1.2rem 0.4rem;
}

.faq-list details {
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.faq-list details:last-child {
  border-bottom: 0;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 1.2rem 2rem 1.2rem 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  position: relative;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 1.15rem;
  color: var(--gold);
  font-size: 1.2rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "–";
}

.faq-list details p {
  margin: 0 0 1.25rem;
  max-width: 58ch;
  color: var(--muted);
}

.site-footer {
  margin: 0 clamp(0.75rem, 3vw, 2rem) 1.5rem;
  padding: 2.2rem 1.25rem;
  text-align: center;
}

.footer-brand {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

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

@keyframes brand-glow {
  0%, 100% { filter: drop-shadow(0 0 0 transparent); }
  50% { filter: drop-shadow(0 0 18px rgba(232, 93, 4, 0.45)); }
}

@keyframes pulse-rift {
  0%, 100% { opacity: 0.65; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

@media (min-width: 800px) {
  .nav {
    display: flex;
  }

  .feature-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .review-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-content,
  .brand-mark,
  .feature-stage-glow {
    animation: none;
  }

  .tilt-a,
  .tilt-b,
  .tilt-c,
  .install-block.deep {
    transform: none;
  }
}

@media (max-width: 799px) {
  .tilt-a,
  .tilt-b,
  .tilt-c {
    transform: none;
  }
}