:root {
  color-scheme: dark;
  --bg: #0d1012;
  --bg-raised: #13171a;
  --surface: #181d20;
  --surface-2: #20262a;
  --ink: #f3eee3;
  --muted: #a7a49c;
  --faint: #747671;
  --gold: #d7b36a;
  --gold-bright: #f0d28e;
  --gold-dim: rgba(215, 179, 106, 0.15);
  --purple: #8c65a8;
  --success: #83b596;
  --warning: #d8a768;
  --danger: #d57d74;
  --stroke: rgba(243, 238, 227, 0.12);
  --stroke-strong: rgba(215, 179, 106, 0.36);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.2rem;
  --text-xl: clamp(1.75rem, 5vw, 2.5rem);
  --text-2xl: clamp(2.75rem, 9vw, 5.8rem);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.28);
  --dur-1: 160ms;
  --dur-2: 280ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    radial-gradient(circle at 76% -10%, rgba(215, 179, 106, 0.09), transparent 34rem),
    var(--bg);
  background-size: 32px 32px, 32px 32px, auto, auto;
  font: 400 var(--text-md)/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 12px 16px;
  color: #14110b;
  background: var(--gold-bright);
  border-radius: var(--radius-sm);
  transition: top var(--dur-1);
}
.skip-link:focus { top: 16px; }

:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 3px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: max(10px, env(safe-area-inset-top)) clamp(18px, 4vw, 44px) 10px;
  background: rgba(13, 16, 18, 0.86);
  border-bottom: 1px solid var(--stroke);
  backdrop-filter: blur(18px) saturate(130%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: #15120d;
  background: var(--gold);
  clip-path: polygon(50% 0, 100% 100%, 50% 78%, 0 100%);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
}

.level-pill {
  padding: 7px 10px;
  color: var(--gold-bright);
  background: var(--gold-dim);
  border: 1px solid rgba(215,179,106,.2);
  border-radius: 999px;
  font: 600 var(--text-xs)/1 var(--font-mono);
}

main { width: min(1180px, 100%); margin-inline: auto; padding-inline: clamp(18px, 4vw, 44px); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, .7fr);
  gap: clamp(28px, 7vw, 100px);
  align-items: end;
  min-height: 440px;
  padding: clamp(64px, 11vw, 132px) 0 58px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font: 650 var(--text-xs)/1.2 var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2, h3, p { text-wrap: pretty; }
h1, h2, h3 { margin-top: 0; }

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font: 500 var(--text-2xl)/.94 var(--font-display);
  letter-spacing: -.055em;
}
h1 em { color: var(--gold-bright); font-weight: 400; }

.lede { max-width: 590px; margin: 0; color: var(--muted); font-size: var(--text-lg); }

.progress-panel {
  position: relative;
  padding: 22px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(215,179,106,.11), rgba(255,255,255,.02));
  border: 1px solid var(--stroke-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}
.progress-panel::before {
  content: "";
  position: absolute;
  width: 90px;
  height: 90px;
  right: -40px;
  top: -40px;
  border: 1px solid rgba(215,179,106,.3);
  transform: rotate(45deg);
}
.progress-head { display: flex; justify-content: space-between; gap: 16px; font-size: var(--text-sm); }
.progress-head strong { color: var(--gold-bright); font-family: var(--font-mono); }
.progress-track { height: 5px; margin: 18px 0 14px; overflow: hidden; background: rgba(255,255,255,.08); border-radius: 99px; }
.progress-track span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, #967340, var(--gold-bright)); transition: width 500ms var(--ease-out); }
.progress-panel p { margin: 0; color: var(--muted); font-size: var(--text-sm); }

.section-nav {
  position: sticky;
  top: 62px;
  z-index: 15;
  display: flex;
  gap: 6px;
  width: fit-content;
  margin-bottom: 54px;
  padding: 5px;
  background: rgba(24, 29, 32, .9);
  border: 1px solid var(--stroke);
  border-radius: 999px;
  backdrop-filter: blur(14px);
}
.section-nav a { padding: 8px 15px; border-radius: 99px; color: var(--muted); text-decoration: none; font-size: var(--text-sm); }
.section-nav a:hover, .section-nav a:focus-visible { color: var(--ink); background: var(--surface-2); }

.content-section { padding: 42px 0 76px; scroll-margin-top: 118px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.section-heading h2, .install-card h2 { margin-bottom: 0; font: 500 var(--text-xl)/1 var(--font-display); letter-spacing: -.035em; }
.section-note { max-width: 430px; margin: 0; color: var(--muted); font-size: var(--text-sm); }

.filters { display: flex; gap: 4px; padding: 4px; background: var(--bg-raised); border: 1px solid var(--stroke); border-radius: 99px; }
.filter { min-height: 38px; padding: 0 13px; color: var(--muted); background: transparent; border: 0; border-radius: 99px; cursor: pointer; }
.filter.is-active { color: #18130b; background: var(--gold); font-weight: 700; }

.gear-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.gear-card {
  position: relative;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  min-height: 280px;
  overflow: hidden;
  background: linear-gradient(140deg, rgba(255,255,255,.035), transparent 55%), var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  transition: transform var(--dur-2) var(--ease-out), border-color var(--dur-2), opacity var(--dur-2);
}
.gear-card:hover { transform: translateY(-3px); border-color: var(--stroke-strong); }
.gear-card.is-owned { border-color: rgba(131,181,150,.48); }
.gear-card.is-owned .gear-image::after { background: rgba(11,22,16,.38); }
.gear-card.is-hidden { display: none; }
.gear-image { position: relative; min-height: 100%; overflow: hidden; background: #080a0b; }
.gear-image img { width: 100%; height: 100%; object-fit: cover; object-position: 38% center; filter: saturate(.72) contrast(1.04); }
.gear-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 55%, var(--surface)); }
.gear-rarity { position: absolute; left: 12px; bottom: 12px; z-index: 2; padding: 5px 8px; color: white; background: rgba(88,56,108,.88); border: 1px solid rgba(255,255,255,.24); border-radius: 6px; font: 700 .65rem/1 var(--font-mono); text-transform: uppercase; }
.gear-rarity.legendary { color: #1b150d; background: rgba(215,179,106,.92); }
.gear-rarity.rare { background: rgba(52, 101, 139, .92); }
.gear-body { display: flex; flex-direction: column; min-width: 0; padding: 20px 20px 18px 8px; }
.gear-topline { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.gear-slot { margin: 0 0 2px; color: var(--faint); font: 600 var(--text-xs)/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; }
.gear-card h3 { margin: 0; font: 600 1.12rem/1.15 var(--font-body); }
.check-button { flex: 0 0 44px; display: grid; width: 44px; height: 44px; place-items: center; color: var(--muted); background: rgba(255,255,255,.04); border: 1px solid var(--stroke); border-radius: 50%; cursor: pointer; transition: background var(--dur-1), color var(--dur-1), transform var(--dur-1); }
.check-button:hover { transform: scale(1.05); }
.check-button[aria-pressed="true"] { color: #0c1710; background: var(--success); border-color: transparent; }
.check-button svg { width: 20px; }
.perks { display: grid; gap: 7px; margin: 18px 0; padding: 0; list-style: none; }
.perks li { display: flex; gap: 8px; align-items: baseline; color: #d4d1c9; font-size: var(--text-sm); }
.perks li::before { content: "◆"; color: var(--purple); font-size: .55rem; }
.added-perk { margin-top: auto; padding: 10px 11px; color: var(--gold-bright); background: var(--gold-dim); border: 1px solid rgba(215,179,106,.23); border-radius: var(--radius-sm); font-size: var(--text-sm); }
.added-perk span { display: block; margin-bottom: 2px; color: var(--faint); font: 600 .65rem/1.2 var(--font-mono); text-transform: uppercase; }
.availability { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; color: var(--muted); font-size: var(--text-xs); }
.availability::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--warning); }
.availability.now::before { background: var(--success); }

.weapons-section { border-top: 1px solid var(--stroke); }
.weapon-card .gear-image img { object-position: 48% center; }
.weapon-card .perks li::before { color: var(--gold); }
.subsection-heading { margin: 48px 0 18px; }
.subsection-heading h3 { margin: 0; font: 500 clamp(1.35rem, 4vw, 1.85rem)/1.1 var(--font-display); letter-spacing: -.025em; }

.engraving-list { display: grid; gap: 10px; }
.engraving-card { overflow: clip; background: var(--surface); border: 1px solid var(--stroke); border-radius: var(--radius-md); }
.engraving-card[open] { border-color: var(--stroke-strong); }
.engraving-card summary { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto 24px; gap: 14px; align-items: center; min-height: 86px; padding: 14px 18px; cursor: pointer; list-style: none; }
.engraving-card summary::-webkit-details-marker { display: none; }
.engraving-glyph { display: grid; width: 48px; height: 48px; place-items: center; color: var(--gold-bright); background: #111416; border: 1px solid var(--stroke-strong); transform: rotate(45deg); }
.engraving-glyph span { transform: rotate(-45deg); font: 700 1.05rem/1 var(--font-display); }
.engraving-title { min-width: 0; }
.engraving-title span { display: block; color: var(--muted); font-size: var(--text-xs); }
.engraving-title strong { display: block; overflow: hidden; text-overflow: ellipsis; font-size: var(--text-md); white-space: nowrap; }
.engraving-value { color: var(--gold-bright); font: 650 var(--text-sm)/1 var(--font-mono); text-align: right; }
.chevron { color: var(--faint); transition: transform var(--dur-2); }
.engraving-card[open] .chevron { transform: rotate(180deg); }
.engraving-content { padding: 0 18px 20px 84px; }
.engraving-alert { margin: 0 0 18px; padding: 11px 13px; color: #e8d1a8; background: rgba(216,167,104,.1); border-left: 2px solid var(--warning); font-size: var(--text-sm); }
.engraving-description { color: var(--muted); }
.steps { display: grid; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; counter-reset: guide-step; }
.guide-step { counter-increment: guide-step; display: grid; grid-template-columns: 42px minmax(0, 1fr) 32px; gap: 12px; align-items: start; padding: 13px; background: rgba(255,255,255,.025); border: 1px solid var(--stroke); border-radius: var(--radius-sm); }
.guide-step::before { content: counter(guide-step, decimal-leading-zero); padding-top: 2px; color: var(--gold); font: 600 var(--text-xs)/1.2 var(--font-mono); }
.step-copy strong { display: block; margin-bottom: 3px; font-size: var(--text-sm); }
.step-copy span { display: block; color: var(--muted); font-size: var(--text-sm); }
.step-check { display: grid; width: 32px; height: 32px; place-items: center; color: transparent; background: transparent; border: 1px solid var(--stroke); border-radius: 50%; cursor: pointer; }
.step-check[aria-pressed="true"] { color: #0d1811; background: var(--success); border-color: transparent; }
.source-link { display: inline-flex; margin-top: 16px; color: var(--gold-bright); font-size: var(--text-sm); text-underline-offset: 4px; }
.source-links { display: flex; flex-wrap: wrap; gap: 4px 18px; }

.probability-card { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; margin-bottom: 16px; padding: clamp(18px, 4vw, 30px); background: var(--surface); border: 1px solid var(--stroke); border-radius: var(--radius-lg); }
.probability-intro h3 { margin-bottom: 10px; font: 500 clamp(1.4rem, 4vw, 2rem)/1.05 var(--font-display); }
.probability-intro > p:last-child { max-width: 620px; margin: 0; color: var(--muted); }
.probability-intro strong { color: var(--gold-bright); }
.probability-facts { display: grid; gap: 8px; }
.probability-facts p { margin: 0; padding: 12px; background: rgba(255,255,255,.025); border: 1px solid var(--stroke); border-radius: var(--radius-sm); }
.probability-facts strong, .probability-facts span { display: block; }
.probability-facts strong { color: var(--gold-bright); font-size: var(--text-sm); }
.probability-facts span { margin-top: 3px; color: var(--muted); font-size: var(--text-xs); }
.probability-table-wrap { grid-column: 1 / -1; overflow-x: auto; border: 1px solid var(--stroke); border-radius: var(--radius-sm); }
.probability-table { width: 100%; min-width: 680px; border-collapse: collapse; font-size: var(--text-sm); }
.probability-table th, .probability-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--stroke); }
.probability-table thead th { color: var(--faint); background: #111416; font: 600 var(--text-xs)/1.3 var(--font-mono); text-transform: uppercase; }
.probability-table tbody tr:last-child th, .probability-table tbody tr:last-child td { border-bottom: 0; }
.probability-table tbody th { color: var(--gold-bright); }
.probability-live { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(190px, .7fr) minmax(220px, .9fr) minmax(320px, 1.4fr); gap: 12px; align-items: end; }
.probability-live label { color: var(--muted); font-size: var(--text-sm); }
.probability-live select { min-height: 48px; padding: 0 12px; color: var(--ink); background: #101315; border: 1px solid var(--stroke); border-radius: var(--radius-sm); }
.probability-results { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.probability-results p { margin: 0; padding: 10px 12px; background: var(--gold-dim); border: 1px solid rgba(215,179,106,.23); border-radius: var(--radius-sm); }
.probability-results span, .probability-results strong { display: block; }
.probability-results span { color: var(--muted); font-size: .7rem; }
.probability-results strong { margin-top: 2px; color: var(--gold-bright); font: 600 1.15rem/1.2 var(--font-mono); }
.probability-warning { grid-column: 1 / -1; margin: 0; padding: 11px 13px; color: #e8d1a8; background: rgba(216,167,104,.1); border-left: 2px solid var(--warning); font-size: var(--text-sm); }
.forge-card { display: grid; grid-template-columns: .8fr .65fr 1fr; gap: 18px; padding: clamp(18px, 4vw, 30px); background: linear-gradient(130deg, rgba(215,179,106,.08), transparent 50%), var(--surface); border: 1px solid var(--stroke-strong); border-radius: var(--radius-lg); }
.forge-stat label, .forge-result span { display: block; margin-bottom: 10px; color: var(--muted); font-size: var(--text-sm); }
.stepper { display: grid; grid-template-columns: 44px minmax(64px, 1fr) 44px; overflow: hidden; border: 1px solid var(--stroke); border-radius: var(--radius-sm); }
.stepper button { min-height: 46px; color: var(--ink); background: var(--surface-2); border: 0; cursor: pointer; }
.stepper input, .input-suffix input { width: 100%; min-width: 0; color: var(--ink); background: #101315; border: 0; text-align: center; font-family: var(--font-mono); }
.input-suffix { display: grid; grid-template-columns: 1fr auto; min-height: 48px; overflow: hidden; background: #101315; border: 1px solid var(--stroke); border-radius: var(--radius-sm); }
.input-suffix span { display: grid; padding-right: 14px; place-items: center; color: var(--faint); font-size: var(--text-sm); }
.forge-result { display: flex; flex-direction: column; justify-content: center; padding-left: 20px; border-left: 1px solid var(--stroke); }
.forge-result span { margin: 0; }
.forge-result strong { color: var(--gold-bright); font: 500 clamp(2rem, 5vw, 3.2rem)/1 var(--font-display); }
.forge-rules { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 10px 0 0; padding: 0; list-style-position: inside; }
.forge-rules li { padding: 12px; color: var(--muted); background: rgba(255,255,255,.025); border-radius: var(--radius-sm); font-size: var(--text-sm); }

.install-card { display: grid; grid-template-columns: 60px minmax(0, 1fr); gap: 18px; align-items: center; margin: 22px 0 86px; padding: 24px; background: var(--bg-raised); border: 1px solid var(--stroke); border-radius: var(--radius-md); }
.install-icon { display: grid; width: 54px; height: 54px; place-items: center; color: var(--gold-bright); border: 1px solid var(--stroke-strong); border-radius: 14px; font-size: 1.4rem; }
.install-card p:last-child { margin: 8px 0 0; color: var(--muted); }

footer { display: flex; justify-content: space-between; gap: 20px; align-items: center; width: min(1180px, 100%); margin: auto; padding: 24px clamp(18px, 4vw, 44px) calc(28px + env(safe-area-inset-bottom)); color: var(--faint); border-top: 1px solid var(--stroke); font-size: var(--text-sm); }
footer p { margin: 0; }
#reset-progress { padding: 9px 12px; color: var(--muted); background: transparent; border: 1px solid var(--stroke); border-radius: 9px; cursor: pointer; }

@media (max-width: 850px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 74px; }
  .progress-panel { max-width: 480px; }
  .gear-grid { grid-template-columns: 1fr; }
  .forge-card { grid-template-columns: 1fr 1fr; }
  .probability-live { grid-template-columns: 1fr 1fr; }
  .probability-results { grid-column: 1 / -1; }
  .forge-result { grid-column: 1 / -1; padding: 18px 0 0; border-left: 0; border-top: 1px solid var(--stroke); }
  .forge-rules { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .topbar { min-height: 58px; }
  .brand span:last-child { display: none; }
  .section-nav { top: 58px; width: 100%; justify-content: space-between; }
  .section-nav a { flex: 1; padding-inline: 7px; text-align: center; font-size: .75rem; }
  .section-heading { align-items: start; flex-direction: column; }
  .filters { width: 100%; }
  .filter { flex: 1; }
  .gear-card { grid-template-columns: 115px minmax(0, 1fr); min-height: 310px; }
  .gear-body { padding: 17px 15px 15px 4px; }
  .gear-image img { object-position: 32% center; }
  .engraving-card summary { grid-template-columns: 46px minmax(0, 1fr) 20px; padding-inline: 13px; }
  .engraving-value { grid-column: 2; text-align: left; }
  .chevron { grid-column: 3; grid-row: 1 / span 2; }
  .engraving-content { padding: 0 13px 16px; }
  .forge-card { grid-template-columns: 1fr; }
  .probability-card { grid-template-columns: 1fr; }
  .probability-facts, .probability-table-wrap, .probability-live, .probability-warning { grid-column: auto; }
  .probability-live { grid-template-columns: 1fr; align-items: stretch; }
  .probability-results { grid-column: auto; grid-template-columns: 1fr; }
  .forge-result { grid-column: auto; }
  .install-card { grid-template-columns: 48px minmax(0, 1fr); padding: 18px; }
  .install-icon { width: 46px; height: 46px; }
  footer { align-items: start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}