/* ===========================================================================
   DEVILATED · GoreAtmosFX Installation Guide
   Visual identity: torch-lit tomb / death-metal boomer-shooter.
   Palette + materials are pulled straight from the game's own screenshots:
   torch-ember orange, blood crimson, bone parchment, brass HUD trim, dark stone.
   Author: StixsworldHD (StixsmasterHD4k)
   ========================================================================= */

/* ---- tokens --------------------------------------------------------------- */
:root {
    --void:        #0b0806;
    --void-2:      #0e0a07;
    --ash:         #13100b;
    --panel:       #181107;
    --panel-2:     #211808;
    --panel-edge:  #3a2a16;

    --ember:       #f4842b;
    --ember-2:     #ffb24a;
    --ember-deep:  #b85613;
    --blood:       #c0241a;
    --blood-2:     #e84630;
    --blood-deep:  #7e1610;

    --bone:        #ece0c4;
    --bone-2:      #cdbf9f;
    --bone-dim:    #9b8d6f;
    --brass:       #c79447;
    --brass-2:     #e6b96a;
    --brass-deep:  #7a5524;
    --rust:        #5e3318;

    --ink:         #ece0c4;
    --line:        rgba(199,148,71,.20);
    --line-strong: rgba(199,148,71,.42);

    --shadow:      0 18px 40px -22px rgba(0,0,0,.9);
    --shadow-deep: 0 30px 70px -30px rgba(0,0,0,.95);

    --wrap:        1140px;
    --radius:      4px;
    --radius-lg:   8px;

    --font-display: "Metal Mania", "Cinzel", serif;
    --font-head:    "Cinzel", "Times New Roman", serif;
    --font-body:    "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono:    "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

    --ease:        cubic-bezier(.22,.61,.36,1);
}

/* ---- reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
ul, ol { list-style: none; padding: 0; }

/* ---- base ----------------------------------------------------------------- */
body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.72;
    color: var(--ink);
    background-color: var(--void);
    background-image:
        radial-gradient(120% 80% at 50% -10%, rgba(244,132,43,.10), transparent 55%),
        radial-gradient(90% 60% at 105% 0%, rgba(192,36,26,.08), transparent 50%),
        radial-gradient(140% 120% at 50% 120%, rgba(0,0,0,.6), transparent 60%),
        linear-gradient(180deg, var(--void-2), var(--void));
    background-attachment: fixed;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}
/* faint grain so the dark never reads as flat AI-default black */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: .05;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body > * { position: relative; z-index: 1; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

/* ---- selection / focus ---------------------------------------------------- */
::selection { background: var(--blood); color: #fff; }
:focus-visible {
    outline: 2px solid var(--ember-2);
    outline-offset: 3px;
    border-radius: 2px;
}
.skip {
    position: fixed; left: 1rem; top: -100px; z-index: 200;
    background: var(--ember); color: #1a0e02; font-weight: 700;
    padding: .6rem 1rem; border-radius: var(--radius);
    transition: top .2s var(--ease);
}
.skip:focus { top: 1rem; }

/* ---- typography ----------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.1; color: var(--bone); }
p { color: var(--bone-2); }
strong { color: var(--bone); font-weight: 600; }
em { color: var(--bone-2); }
code {
    font-family: var(--font-mono);
    font-size: .86em;
    color: var(--ember-2);
    background: rgba(244,132,43,.08);
    border: 1px solid rgba(244,132,43,.18);
    padding: .08em .42em;
    border-radius: 3px;
    word-break: break-word;
}
a.inline, .prose a {
    color: var(--ember-2);
    border-bottom: 1px solid rgba(255,178,74,.4);
    transition: color .15s, border-color .15s;
}
a.inline:hover, .prose a:hover { color: var(--bone); border-color: var(--bone); }

.key {
    font-family: var(--font-mono); font-size: .8em; font-weight: 600;
    color: var(--bone); background: linear-gradient(180deg, #2a2012, #1a130a);
    border: 1px solid var(--brass-deep);
    border-bottom-width: 2px;
    padding: .1em .45em; border-radius: 4px;
    box-shadow: inset 0 1px 0 rgba(230,185,106,.25);
}

/* ===========================================================================
   TOPBAR
   ========================================================================= */
.topbar {
    position: sticky; top: 0; z-index: 100;
    background: rgba(11,8,6,.82);
    backdrop-filter: blur(12px) saturate(1.1);
    -webkit-backdrop-filter: blur(12px) saturate(1.1);
    border-bottom: 1px solid var(--line);
}
.topbar-inner {
    width: min(100% - 2.5rem, 1280px); margin-inline: auto;
    display: flex; align-items: center; justify-content: space-between;
    gap: 1.5rem; height: 70px;
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand-mark {
    display: grid; place-items: center;
    width: 40px; height: 40px; flex: none;
    color: var(--ember-2);
    background: radial-gradient(circle at 50% 35%, rgba(244,132,43,.2), transparent 70%);
    border: 1px solid var(--brass-deep);
    border-radius: 50%;
    box-shadow: inset 0 0 12px rgba(244,132,43,.25), 0 0 16px -6px rgba(244,132,43,.5);
}
.brand-mark svg { width: 23px; height: 23px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
    font-family: var(--font-display);
    font-size: 1.5rem; letter-spacing: .5px;
    color: var(--bone);
    text-shadow: 0 0 18px rgba(244,132,43,.35);
}
.brand-sub {
    font-family: var(--font-mono); font-size: .58rem;
    letter-spacing: .28em; text-transform: uppercase;
    color: var(--brass); margin-top: 4px;
}

.nav-desktop { display: flex; align-items: center; gap: .35rem; }
.nav-link {
    font-family: var(--font-mono); font-size: .72rem;
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--bone-dim);
    padding: .55rem .75rem; border-radius: var(--radius);
    position: relative;
    transition: color .18s var(--ease), background .18s var(--ease);
}
.nav-link:hover { color: var(--bone); background: rgba(244,132,43,.07); }
.nav-link.is-active { color: var(--ember-2); }
.nav-link.is-active::after {
    content: ""; position: absolute; left: .75rem; right: .75rem; bottom: .2rem; height: 2px;
    background: linear-gradient(90deg, var(--ember), var(--blood));
    box-shadow: 0 0 10px var(--ember);
}

.topbar-emberline {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--ember-deep) 15%, var(--ember) 40%, var(--blood) 60%, var(--ember-deep) 85%, transparent);
    background-size: 200% 100%;
    animation: emberSlide 9s linear infinite;
    opacity: .8;
}
@keyframes emberSlide { to { background-position: 200% 0; } }

/* hamburger */
.nav-toggle { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; gap: 5px; padding: 0 10px; }
.nav-toggle-bar { height: 2px; background: var(--bone); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
    position: fixed; inset: 70px 0 auto 0; z-index: 99;
    background: rgba(13,10,7,.98);
    border-bottom: 1px solid var(--line-strong);
    padding: 1rem 1.25rem 1.5rem;
    display: flex; flex-direction: column; gap: .25rem;
    box-shadow: var(--shadow-deep);
}
.nav-mobile[hidden] { display: none; }
.nav-mobile .nav-link { font-size: .8rem; padding: .85rem .5rem; border-bottom: 1px solid var(--line); border-radius: 0; }
.nav-mobile-cta {
    margin-top: 1rem; display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 600;
    color: #1a0e02; background: linear-gradient(180deg, var(--ember-2), var(--ember));
    padding: .85rem 1rem; border-radius: var(--radius);
}
.nav-mobile-cta svg { width: 18px; height: 18px; }

/* ===========================================================================
   BUTTONS
   ========================================================================= */
.btn {
    display: inline-flex; align-items: center; gap: .6rem;
    font-family: var(--font-mono); font-size: .8rem; font-weight: 600;
    letter-spacing: .1em; text-transform: uppercase;
    padding: .85rem 1.4rem; border-radius: var(--radius);
    transition: transform .15s var(--ease), box-shadow .2s var(--ease), background .2s;
    border: 1px solid transparent;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
    color: #1a0e02;
    background: linear-gradient(180deg, var(--ember-2), var(--ember));
    box-shadow: 0 10px 30px -12px rgba(244,132,43,.7), inset 0 1px 0 rgba(255,255,255,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(244,132,43,.8), inset 0 1px 0 rgba(255,255,255,.3); }
.btn-blood {
    color: #fff;
    background: linear-gradient(180deg, var(--blood-2), var(--blood));
    box-shadow: 0 10px 30px -12px rgba(192,36,26,.7), inset 0 1px 0 rgba(255,255,255,.18);
}
.btn-blood:hover { transform: translateY(-2px); }
.btn-ghost {
    color: var(--bone); border-color: var(--brass-deep);
    background: rgba(199,148,71,.06);
}
.btn-ghost:hover { border-color: var(--brass); background: rgba(199,148,71,.12); color: var(--bone); }

/* ===========================================================================
   PAGE HEAD (non-home)
   ========================================================================= */
.page-head {
    padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
    border-bottom: 1px solid var(--line);
    background:
        radial-gradient(80% 120% at 0% 0%, rgba(244,132,43,.10), transparent 55%),
        linear-gradient(180deg, rgba(33,24,8,.35), transparent);
}
.page-head.tone-blood {
    background:
        radial-gradient(80% 120% at 0% 0%, rgba(192,36,26,.14), transparent 55%),
        linear-gradient(180deg, rgba(40,12,8,.4), transparent);
}
.crumbs { margin-bottom: 1.4rem; }
.crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.crumbs li { display: flex; align-items: center; gap: .55rem; color: var(--bone-dim); }
.crumbs li:not(:last-child)::after { content: "/"; color: var(--brass-deep); }
.crumbs a { color: var(--brass); transition: color .15s; }
.crumbs a:hover { color: var(--ember-2); }
.crumb-part { color: var(--bone-dim); }
.crumbs li[aria-current] { color: var(--ember-2); }

.eyebrow {
    display: inline-flex; align-items: center; gap: .7rem;
    font-family: var(--font-mono); font-size: .72rem; font-weight: 600;
    letter-spacing: .26em; text-transform: uppercase;
    color: var(--blood-2); margin-bottom: 1rem;
}
.tone-ember .eyebrow { color: var(--ember-2); }
.eyebrow-tick { width: 26px; height: 2px; background: currentColor; box-shadow: 0 0 8px currentColor; }
.page-title {
    font-size: clamp(2.1rem, 5vw, 3.4rem);
    font-weight: 800; letter-spacing: .01em;
    text-transform: uppercase;
    color: var(--bone);
    text-shadow: 0 2px 30px rgba(0,0,0,.6);
}
.page-blurb { margin-top: 1rem; max-width: 60ch; font-size: 1.12rem; color: var(--bone-2); }

/* generic block rhythm */
.block { padding: clamp(2.2rem, 5vw, 3.6rem) 0; }
.block + .block { border-top: 1px solid var(--line); }
.lede { font-size: 1.18rem; color: var(--bone-2); max-width: 66ch; }
.prose { max-width: 70ch; }
.prose p + p { margin-top: 1rem; }

/* ===========================================================================
   SECTION HEADER — the signature "riveted warning plate"
   (drawn from the hanging Death Area sign in-game)
   ========================================================================= */
.plate {
    position: relative;
    display: inline-flex; flex-direction: column; gap: .35rem;
    padding: 1.05rem 2.2rem;
    margin-bottom: 2rem;
    background: linear-gradient(168deg, #2c2113, #1a130a 60%, #120c06);
    border: 1px solid var(--brass-deep);
    border-radius: var(--radius);
    box-shadow:
        inset 0 1px 0 rgba(230,185,106,.18),
        inset 0 -10px 26px rgba(0,0,0,.5),
        var(--shadow);
}
/* rivets */
.plate::before, .plate::after {
    content: ""; position: absolute; top: 50%; transform: translateY(-50%);
    width: 9px; height: 9px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, var(--brass-2), var(--brass-deep) 70%);
    box-shadow: 0 0 0 1px rgba(0,0,0,.5), inset 0 1px 1px rgba(255,255,255,.35);
}
.plate::before { left: .7rem; }
.plate::after  { right: .7rem; }
.plate-kicker {
    font-family: var(--font-mono); font-size: .64rem; font-weight: 600;
    letter-spacing: .3em; text-transform: uppercase; color: var(--brass);
}
.plate h2 {
    font-family: var(--font-head); font-weight: 700;
    font-size: clamp(1.45rem, 3vw, 2.05rem);
    letter-spacing: .04em; text-transform: uppercase;
    color: var(--bone);
    text-shadow: 0 0 24px rgba(244,132,43,.25);
}
.plate.tone-blood { background: linear-gradient(168deg, #2e1410, #1c0c09 60%, #130806); }
.plate.tone-blood h2 { text-shadow: 0 0 24px rgba(192,36,26,.35); }
.plate.tone-blood .plate-kicker { color: var(--blood-2); }

.section-intro { max-width: 66ch; margin-top: -.8rem; margin-bottom: 2rem; color: var(--bone-2); font-size: 1.08rem; }

/* ===========================================================================
   HOME / HERO
   ========================================================================= */
.hero {
    position: relative;
    padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}
.hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background-image:
        linear-gradient(90deg, var(--void) 6%, rgba(11,8,6,.55) 45%, rgba(11,8,6,.25)),
        linear-gradient(0deg, var(--void), rgba(11,8,6,.2)),
        url("../img/display/hero-gore.jpg");
    background-size: cover; background-position: center right;
    filter: saturate(1.05) contrast(1.02);
}
.hero-bg::after {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(70% 90% at 80% 40%, rgba(192,36,26,.22), transparent 60%);
    mix-blend-mode: screen;
    animation: emberFlicker 6s ease-in-out infinite;
}
@keyframes emberFlicker { 0%,100% { opacity: .8; } 45% { opacity: 1; } 70% { opacity: .65; } }
.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: .7rem;
    font-family: var(--font-mono); font-size: .72rem; font-weight: 600;
    letter-spacing: .26em; text-transform: uppercase; color: var(--ember-2);
    margin-bottom: 1.4rem;
}
.hero-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blood-2); box-shadow: 0 0 10px var(--blood-2); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(.7); } }
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 9vw, 6rem);
    line-height: .95; color: var(--bone);
    letter-spacing: 1px;
    text-shadow: 0 0 40px rgba(244,132,43,.45), 0 4px 0 rgba(0,0,0,.5);
}
.hero-title .blood { color: var(--blood-2); text-shadow: 0 0 40px rgba(192,36,26,.6), 0 4px 0 rgba(0,0,0,.5); }
.hero-sub { margin-top: 1.6rem; font-size: 1.25rem; line-height: 1.6; color: var(--bone-2); max-width: 56ch; }
.hero-meta {
    margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: .55rem;
}
.chip {
    font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
    color: var(--bone-2);
    border: 1px solid var(--line-strong); border-radius: 999px;
    padding: .4rem .85rem; background: rgba(0,0,0,.3);
    display: inline-flex; align-items: center; gap: .45rem;
}
.chip svg { width: 14px; height: 14px; color: var(--ember-2); }
.chip.blood svg { color: var(--blood-2); }
.hero-cta { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: .9rem; }

/* path / steps overview on home */
.path { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.1rem; }
.path-card {
    position: relative;
    background: linear-gradient(180deg, var(--panel), var(--ash));
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 1.6rem 1.5rem 1.5rem;
    transition: transform .2s var(--ease), border-color .2s, box-shadow .2s;
    overflow: hidden;
}
.path-card::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: linear-gradient(180deg, var(--ember), var(--blood));
    opacity: .8;
}
.path-card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.path-step { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .22em; text-transform: uppercase; color: var(--brass); }
.path-card h3 { margin: .5rem 0 .55rem; font-family: var(--font-head); font-size: 1.3rem; text-transform: uppercase; letter-spacing: .03em; color: var(--bone); }
.path-card p { font-size: .98rem; color: var(--bone-2); }
.path-card .path-go { margin-top: 1rem; display: inline-flex; align-items: center; gap: .4rem; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ember-2); }
.path-card .path-go svg { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.path-card:hover .path-go svg { transform: translateX(4px); }

/* feature grid on home */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.1rem; }
.feature {
    background: linear-gradient(180deg, var(--panel), var(--ash));
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 1.5rem;
}
.feature-ico {
    width: 46px; height: 46px; display: grid; place-items: center; border-radius: var(--radius);
    color: var(--ember-2);
    background: radial-gradient(circle at 40% 30%, rgba(244,132,43,.18), transparent 70%);
    border: 1px solid var(--brass-deep); margin-bottom: 1rem;
}
.feature-ico svg { width: 24px; height: 24px; }
.feature.tone-blood .feature-ico { color: var(--blood-2); background: radial-gradient(circle at 40% 30%, rgba(192,36,26,.2), transparent 70%); }
.feature h3 { font-family: var(--font-head); font-size: 1.15rem; text-transform: uppercase; letter-spacing: .03em; margin-bottom: .5rem; color: var(--bone); }
.feature p { font-size: .96rem; color: var(--bone-2); }

/* showcase strip */
.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.1rem; }

/* ===========================================================================
   REQUIREMENT CARDS
   ========================================================================= */
.req-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.1rem; }
.req {
    display: flex; gap: 1.1rem;
    background: linear-gradient(180deg, var(--panel), var(--ash));
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 1.4rem;
}
.req-ico {
    flex: none; width: 44px; height: 44px; display: grid; place-items: center; border-radius: var(--radius);
    color: var(--ember-2);
    background: rgba(244,132,43,.08); border: 1px solid var(--brass-deep);
}
.req-ico svg { width: 23px; height: 23px; }
.req h3 { font-family: var(--font-head); font-size: 1.05rem; text-transform: uppercase; letter-spacing: .02em; margin-bottom: .35rem; color: var(--bone); }
.req p { font-size: .94rem; color: var(--bone-2); }

/* ===========================================================================
   STEPS — brass stamped tokens + rivets
   ========================================================================= */
.steps { display: flex; flex-direction: column; gap: 1.6rem; counter-reset: step; }
.step {
    display: grid; grid-template-columns: 84px 1fr; gap: 1.5rem;
    align-items: start;
    position: relative;
}
.step:not(:last-child)::before {
    content: ""; position: absolute; left: 41px; top: 84px; bottom: -1.6rem; width: 2px;
    background: linear-gradient(180deg, var(--brass-deep), transparent);
    opacity: .7;
}
.step-token {
    position: relative; width: 84px; height: 84px;
    display: grid; place-items: center; border-radius: 50%;
    background: radial-gradient(circle at 38% 30%, #3a2b16, #1d1409 70%);
    border: 2px solid var(--brass-deep);
    box-shadow: inset 0 2px 6px rgba(230,185,106,.2), inset 0 -6px 14px rgba(0,0,0,.6), 0 0 26px -10px rgba(244,132,43,.6);
}
.step-rivets::before, .step-rivets::after,
.step-token > .step-rivets { }
.step-rivets {
    position: absolute; inset: 7px; border-radius: 50%;
    border: 1px dashed rgba(199,148,71,.35);
}
.step-n {
    font-family: var(--font-head); font-weight: 800; font-size: 1.9rem;
    color: var(--ember-2);
    text-shadow: 0 0 18px rgba(244,132,43,.5);
}
.step-body { padding-top: .35rem; }
.step-title { font-family: var(--font-head); font-size: 1.3rem; text-transform: uppercase; letter-spacing: .03em; margin-bottom: .6rem; color: var(--bone); }
.step-text { color: var(--bone-2); }
.step-text p + p { margin-top: .8rem; }
.step .figure { margin-top: 1.2rem; }

/* ===========================================================================
   CONFIG SECTION CARDS
   ========================================================================= */
.cfg-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.2rem; }
.cfg {
    position: relative; overflow: hidden;
    background: linear-gradient(180deg, var(--panel), var(--ash));
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 1.5rem;
}
.cfg::after {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--ember);
}
.cfg.tone-blood::after { background: var(--blood); }
.cfg-top { display: flex; align-items: center; gap: .85rem; margin-bottom: .9rem; }
.cfg-ico { width: 40px; height: 40px; flex: none; display: grid; place-items: center; border-radius: var(--radius); color: var(--ember-2); background: rgba(244,132,43,.08); border: 1px solid var(--brass-deep); }
.cfg.tone-blood .cfg-ico { color: var(--blood-2); background: rgba(192,36,26,.1); }
.cfg-ico svg { width: 22px; height: 22px; }
.cfg-top h3 { font-family: var(--font-head); font-size: 1.12rem; text-transform: uppercase; letter-spacing: .02em; color: var(--bone); }
.cfg p { font-size: .95rem; color: var(--bone-2); margin-bottom: 1rem; }
.cfg-keys { display: flex; flex-wrap: wrap; gap: .4rem; }
.cfg-key {
    font-family: var(--font-mono); font-size: .68rem;
    color: var(--bone-2);
    background: rgba(0,0,0,.35); border: 1px solid var(--line);
    border-radius: 3px; padding: .25rem .5rem;
}

/* ===========================================================================
   PRESET CARDS
   ========================================================================= */
.preset-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 1.3rem; }
.preset {
    display: flex; flex-direction: column;
    background: linear-gradient(180deg, var(--panel-2), var(--ash));
    border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.preset-head { padding: 1.3rem 1.4rem 1.1rem; border-bottom: 1px solid var(--line); position: relative; }
.preset-head::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(180deg, var(--ember), var(--ember-deep)); }
.preset.tone-blood .preset-head::before { background: linear-gradient(180deg, var(--blood-2), var(--blood-deep)); }
.preset-name { font-family: var(--font-head); font-size: 1.25rem; text-transform: uppercase; letter-spacing: .03em; color: var(--bone); margin-bottom: .4rem; }
.preset.tone-blood .preset-name { color: #f3c6b0; }
.preset-desc { font-size: .92rem; color: var(--bone-2); }
.preset .code-block { border: none; border-radius: 0; margin: 0; flex: 1; }
.preset .code-block pre { border-radius: 0; }

/* ===========================================================================
   CALLOUTS
   ========================================================================= */
.callout {
    display: flex; gap: 1rem;
    border-radius: var(--radius-lg);
    padding: 1.15rem 1.3rem;
    margin: 1.6rem 0;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(244,132,43,.06), rgba(0,0,0,.15));
}
.callout-ico { flex: none; width: 26px; height: 26px; color: var(--ember-2); }
.callout-ico svg { width: 26px; height: 26px; }
.callout-title { font-family: var(--font-head); font-size: 1rem; text-transform: uppercase; letter-spacing: .04em; color: var(--bone); margin-bottom: .25rem; }
.callout-text { font-size: .96rem; color: var(--bone-2); }
.callout-text p + p { margin-top: .6rem; }
.callout-text code { font-size: .82em; }

.callout-warning { border-color: rgba(244,132,43,.4); background: linear-gradient(180deg, rgba(244,132,43,.1), rgba(0,0,0,.15)); }
.callout-warning .callout-ico { color: var(--ember-2); }
.callout-danger { border-color: rgba(232,70,48,.45); background: linear-gradient(180deg, rgba(192,36,26,.14), rgba(0,0,0,.18)); }
.callout-danger .callout-ico { color: var(--blood-2); }
.callout-tip { border-color: rgba(230,185,106,.35); background: linear-gradient(180deg, rgba(199,148,71,.08), rgba(0,0,0,.15)); }
.callout-tip .callout-ico { color: var(--brass-2); }

/* ===========================================================================
   CODE / CONFIG BLOCKS
   ========================================================================= */
.code-block {
    margin: 1.4rem 0;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #0c0a07;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,.4);
}
.code-head {
    display: flex; align-items: center; gap: .5rem;
    padding: .6rem .9rem;
    background: linear-gradient(180deg, #1c1509, #140e07);
    border-bottom: 1px solid var(--line);
}
.code-dot { width: 10px; height: 10px; border-radius: 50%; background: #2e2415; box-shadow: inset 0 0 0 1px rgba(0,0,0,.4); }
.code-dot:nth-child(1) { background: var(--blood-deep); }
.code-dot:nth-child(2) { background: var(--ember-deep); }
.code-dot:nth-child(3) { background: var(--brass-deep); }
.code-label { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em; color: var(--bone-dim); margin-left: .4rem; }
.code-copy {
    margin-left: auto; display: inline-flex; align-items: center; gap: .4rem;
    font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase;
    color: var(--brass); padding: .3rem .55rem; border-radius: 4px;
    border: 1px solid var(--line); transition: color .15s, border-color .15s, background .15s;
}
.code-copy svg { width: 15px; height: 15px; }
.code-copy:hover { color: var(--ember-2); border-color: var(--brass-deep); background: rgba(244,132,43,.06); }
.code-copy.is-copied { color: #9fe09f; border-color: rgba(120,200,120,.4); }
.code-block pre { margin: 0; padding: 1.1rem 1.2rem; overflow-x: auto; }
.code-block code {
    font-family: var(--font-mono); font-size: .84rem; line-height: 1.7;
    color: var(--bone-2); background: none; border: none; padding: 0;
    white-space: pre; word-break: normal;
}
.code-block.tree code { color: var(--brass-2); }

/* ===========================================================================
   FIGURES + ZOOM
   ========================================================================= */
.figure { margin: 1.5rem 0; }
.figure .zoom {
    position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid var(--line-strong);
    background: #000;
    box-shadow: var(--shadow);
    transition: transform .2s var(--ease), box-shadow .2s, border-color .2s;
}
.figure .zoom:hover { transform: translateY(-3px); border-color: var(--brass); box-shadow: var(--shadow-deep); }
.figure .zoom img { width: 100%; height: auto; display: block; }
.zoom-badge {
    position: absolute; right: .7rem; bottom: .7rem;
    display: inline-flex; align-items: center; gap: .4rem;
    font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase;
    color: var(--bone);
    background: rgba(11,8,6,.78); backdrop-filter: blur(4px);
    border: 1px solid var(--line-strong); border-radius: 999px;
    padding: .35rem .7rem;
    opacity: 0; transform: translateY(6px);
    transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.zoom-ico { width: 14px; height: 14px; color: var(--ember-2); }
.figure .zoom:hover .zoom-badge, .figure .zoom:focus-visible .zoom-badge { opacity: 1; transform: translateY(0); }
figcaption {
    margin-top: .7rem; font-size: .86rem; color: var(--bone-dim); line-height: 1.55;
    padding-left: .9rem; border-left: 2px solid var(--brass-deep);
}
.fig-num { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--brass); }

/* lightbox */
.lightbox {
    position: fixed; inset: 0; z-index: 300;
    display: grid; place-items: center;
    padding: clamp(1rem, 4vw, 3rem);
    background: rgba(5,3,2,.92);
    backdrop-filter: blur(6px);
    opacity: 0; transition: opacity .22s var(--ease);
}
.lightbox.is-open { opacity: 1; }
.lightbox[hidden] { display: none; }
.lb-figure { max-width: min(1600px, 96vw); max-height: 90vh; display: flex; flex-direction: column; align-items: center; gap: .8rem; }
.lb-img {
    max-width: 100%; max-height: 80vh; width: auto; height: auto;
    border-radius: var(--radius); border: 1px solid var(--line-strong);
    box-shadow: 0 40px 90px -30px rgba(0,0,0,.9);
    transform: scale(.98); transition: transform .22s var(--ease);
}
.lightbox.is-open .lb-img { transform: scale(1); }
.lb-cap { font-family: var(--font-mono); font-size: .8rem; color: var(--bone-2); text-align: center; max-width: 70ch; }
.lb-close {
    position: absolute; top: 1.2rem; right: 1.2rem; z-index: 2;
    width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%;
    color: var(--bone); background: rgba(20,14,8,.7); border: 1px solid var(--line-strong);
    transition: transform .15s var(--ease), color .15s, border-color .15s;
}
.lb-close svg { width: 22px; height: 22px; }
.lb-close:hover { transform: rotate(90deg); color: var(--ember-2); border-color: var(--brass); }
.lb-hint { position: absolute; bottom: 1.2rem; left: 0; right: 0; text-align: center; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em; color: var(--bone-dim); }
.lb-hint kbd { font-family: var(--font-mono); color: var(--bone-2); }

/* ===========================================================================
   CHECKLIST
   ========================================================================= */
.checklist { display: grid; gap: .7rem; max-width: 760px; }
.checklist li {
    display: flex; align-items: flex-start; gap: .8rem;
    background: rgba(0,0,0,.25); border: 1px solid var(--line);
    border-radius: var(--radius); padding: .85rem 1rem;
    font-size: .98rem; color: var(--bone-2);
}
.checklist li svg { flex: none; width: 20px; height: 20px; color: #8fd28f; margin-top: .15rem; }
.checklist li strong { color: var(--bone); }

/* ===========================================================================
   FAQ ACCORDION
   ========================================================================= */
.faq { display: flex; flex-direction: column; gap: .8rem; max-width: 880px; }
.faq details {
    background: linear-gradient(180deg, var(--panel), var(--ash));
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color .2s;
}
.faq details[open] { border-color: var(--line-strong); }
.faq summary {
    list-style: none; cursor: pointer;
    display: flex; align-items: center; gap: 1rem;
    padding: 1.1rem 1.3rem;
    font-family: var(--font-head); font-size: 1.05rem; text-transform: uppercase; letter-spacing: .02em;
    color: var(--bone);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: ""; margin-left: auto; flex: none;
    width: 11px; height: 11px;
    border-right: 2px solid var(--brass); border-bottom: 2px solid var(--brass);
    transform: rotate(45deg); transition: transform .2s var(--ease);
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq summary:hover { color: var(--ember-2); }
.faq .faq-a { padding: 0 1.3rem 1.2rem; color: var(--bone-2); font-size: .98rem; }
.faq .faq-a code { font-size: .82em; }
.faq-q-ico { flex: none; width: 22px; height: 22px; color: var(--blood-2); }

/* ===========================================================================
   PAGER
   ========================================================================= */
.pager-wrap { padding: clamp(2rem,5vw,3.5rem) 0 clamp(3rem,6vw,4rem); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pager-link {
    display: flex; align-items: center; gap: 1rem;
    background: linear-gradient(180deg, var(--panel), var(--ash));
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 1.2rem 1.4rem;
    transition: transform .2s var(--ease), border-color .2s, box-shadow .2s;
}
.pager-link.is-empty { background: none; border: none; }
a.pager-link:hover { transform: translateY(-3px); border-color: var(--brass); box-shadow: var(--shadow); }
.pager-next { justify-content: flex-end; text-align: right; }
.pager-arrow { width: 24px; height: 24px; flex: none; color: var(--ember-2); }
.pager-meta { display: flex; flex-direction: column; }
.pager-dir { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--brass); }
.pager-title { font-family: var(--font-head); font-size: 1.05rem; text-transform: uppercase; letter-spacing: .02em; color: var(--bone); }

/* ===========================================================================
   FOOTER
   ========================================================================= */
.site-foot {
    margin-top: 2rem;
    border-top: 1px solid var(--line-strong);
    background: linear-gradient(180deg, rgba(20,14,8,.5), var(--void));
    padding: clamp(2.5rem, 5vw, 3.5rem) 0 2rem;
}
.site-foot-inner { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 2rem; align-items: start; }
.foot-brand { display: flex; gap: 1rem; align-items: center; }
.foot-mark { width: 46px; height: 46px; flex: none; display: grid; place-items: center; border-radius: 50%; color: var(--ember-2); border: 1px solid var(--brass-deep); background: radial-gradient(circle at 50% 35%, rgba(244,132,43,.18), transparent 70%); }
.foot-mark svg { width: 26px; height: 26px; }
.foot-title { font-family: var(--font-head); font-size: 1.05rem; text-transform: uppercase; letter-spacing: .02em; color: var(--bone); }
.foot-ver { font-family: var(--font-mono); font-size: .72rem; color: var(--bone-dim); margin-top: .3rem; }
.foot-nav { display: flex; flex-direction: column; gap: .5rem; }
.foot-nav a { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--bone-dim); transition: color .15s; }
.foot-nav a:hover { color: var(--ember-2); }
.foot-links { display: flex; flex-direction: column; gap: .65rem; }
.foot-links a { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--font-mono); font-size: .76rem; letter-spacing: .04em; color: var(--bone-2); transition: color .15s; }
.foot-links a:hover { color: var(--ember-2); }
.foot-ico { width: 17px; height: 17px; color: var(--brass); flex: none; }
.foot-fine { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.foot-fine p { font-size: .82rem; color: var(--bone-dim); }
.foot-fine strong { color: var(--brass-2); }
.foot-disclaimer { margin-top: .5rem; max-width: 80ch; }

/* ===========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 860px) {
    .nav-desktop { display: none; }
    .nav-toggle { display: flex; }
    .site-foot-inner { grid-template-columns: 1fr; gap: 1.6rem; }
    .pager { grid-template-columns: 1fr; }
    .pager-next { justify-content: flex-start; text-align: left; flex-direction: row-reverse; }
}
@media (max-width: 560px) {
    .step { grid-template-columns: 60px 1fr; gap: 1rem; }
    .step-token { width: 60px; height: 60px; }
    .step-n { font-size: 1.4rem; }
    .step:not(:last-child)::before { left: 29px; top: 60px; }
    .brand-sub { display: none; }
    .hero-cta .btn { width: 100%; justify-content: center; }
}

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