*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
--bg:       #0a0a0a;
--surface:  #111111;
--border:   #222222;
--text:     #d4cfc8;
--muted:    #5a5550;
--accent:   #c0392b;
--accent2:  #7f1d1d;
--white:    #f0ebe3;
--glitch1:  #ff2244;
--glitch2:  #00e5ff;
--font-title:   'Special Elite', cursive;
--font-body:    'Playfair Display', serif;
--font-mono:    'Share Tech Mono', monospace;
--font-horror:  'UnifrakturMaguntia', cursive;
}

html:not(.lang-ready) { visibility: hidden; }
html { scroll-behavior: smooth; }

body {
background: var(--bg);
color: var(--text);
font-family: var(--font-body);
font-size: 18px;
line-height: 1.85;
min-height: 100vh;
overflow-x: hidden;
}

body::before {
content: '';
position: fixed;
inset: 0;
background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
pointer-events: none;
z-index: 9999;
opacity: 0.6;
}

/* ── LANGUAGE TOGGLE ── */
.lang-toggle {
position: fixed;
top: 1.5rem;
right: 1.5rem;
z-index: 1000;
display: flex;
align-items: center;
border: 1px solid var(--border);
overflow: hidden;
}
.lang-btn {
font-family: var(--font-mono);
font-size: 11px;
letter-spacing: 0.15em;
padding: 0.4rem 0.85rem;
background: transparent;
color: var(--muted);
border: none;
cursor: pointer;
transition: background 0.2s, color 0.2s;
text-transform: uppercase;
}
.lang-btn.active { background: var(--accent); color: var(--white); }
.lang-btn:not(.active):hover { background: var(--surface); color: var(--text); }
.lang-divider { width: 1px; height: 28px; background: var(--border); flex-shrink: 0; }

/* ── LANGUAGE VISIBILITY ── */
[data-lang="en"] { display: none; }
span[data-lang="es"] { display: inline; }
span[data-lang="en"] { display: none; }

body.lang-en [data-lang="es"] { display: none; }
body.lang-en [data-lang="en"] { display: block; }
body.lang-en span[data-lang="en"] { display: inline; }
body.lang-en span[data-lang="es"] { display: none; }

/* ── ANIMATIONS ── */
@keyframes glitch-1 {
0%,100%{ clip-path:inset(0 0 95% 0); transform:translate(-3px,0); }
20%    { clip-path:inset(30% 0 50% 0); transform:translate(3px,0); }
40%    { clip-path:inset(70% 0 10% 0); transform:translate(-2px,0); }
60%    { clip-path:inset(10% 0 80% 0); transform:translate(2px,0); }
80%    { clip-path:inset(50% 0 30% 0); transform:translate(-3px,0); }
}
@keyframes glitch-2 {
0%,100%{ clip-path:inset(80% 0 5% 0);  transform:translate(3px,0); }
20%    { clip-path:inset(5% 0 80% 0);   transform:translate(-3px,0); }
40%    { clip-path:inset(55% 0 20% 0);  transform:translate(2px,0); }
60%    { clip-path:inset(20% 0 60% 0);  transform:translate(-2px,0); }
80%    { clip-path:inset(90% 0 2% 0);   transform:translate(3px,0); }
}
@keyframes flicker {
0%,100%{opacity:1} 92%{opacity:1} 93%{opacity:.4} 95%{opacity:1} 97%{opacity:.6} 98%{opacity:1}
}
@keyframes bounce {
0%,100%{transform:translateY(0)} 50%{transform:translateY(5px)}
}
@keyframes bleed {
0%,100%{opacity:0.6} 50%{opacity:1}
}
@keyframes shake {
0%,100%{transform:rotate(0deg)}
20%{transform:rotate(-1.5deg)}
40%{transform:rotate(1deg)}
60%{transform:rotate(-0.5deg)}
80%{transform:rotate(1.5deg)}
}

/* ── SCANLINES ── */
.scanlines {
position: fixed; inset: 0;
pointer-events: none; z-index: 9998;
background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 3px,
    rgba(0,0,0,0.08) 3px, rgba(0,0,0,0.08) 4px
);
}

/* ── COVER ── */
.cover {
min-height: 100vh;
display: flex; flex-direction: column;
align-items: center; justify-content: center;
text-align: center;
padding: 4rem 2rem;
position: relative;
border-bottom: 1px solid var(--border);
animation: flicker 8s infinite;
}
.cover::after {
content:''; position:absolute; inset:0;
background:radial-gradient(ellipse at center, rgba(192,57,43,0.06) 0%, transparent 70%);
pointer-events:none;
}
.lang-badge {
font-family: var(--font-mono); font-size: 11px;
letter-spacing: 0.2em; color: var(--muted);
margin-bottom: 3rem; border: 1px solid var(--border);
display: inline-block; padding: 0.3rem 1rem;
}
.glitch-wrap {
position: relative; display: inline-block; margin-bottom: 1.5rem;
}
.glitch-wrap h1 {
font-family: var(--font-title);
font-size: clamp(3rem, 10vw, 7rem);
color: var(--white); letter-spacing: -0.02em; line-height: 1; position: relative;
}
.glitch-wrap::before, .glitch-wrap::after {
content: attr(data-text); position: absolute; top:0; left:0;
font-family: var(--font-title); font-size: clamp(3rem, 10vw, 7rem);
line-height: 1; letter-spacing: -0.02em; width: 100%; pointer-events: none;
}
.glitch-wrap::before { color:var(--glitch1); animation:glitch-1 4s infinite linear; animation-delay:0.5s; }
.glitch-wrap::after  { color:var(--glitch2); animation:glitch-2 4s infinite linear; }

.cover-subtitle {
font-family: var(--font-mono); font-size: 13px; color: var(--muted);
letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 3rem;
}
.rule { width:60px; height:2px; background:var(--accent); margin:2rem auto; }
.cover-epigraph {
font-style: italic; font-size: 1.05rem; color: var(--muted);
max-width: 480px; line-height: 1.7;
}
.cover-epigraph .attr {
display: block; font-style: normal; font-family: var(--font-mono);
font-size: 11px; letter-spacing: 0.1em; color: var(--accent); margin-top: 0.8rem;
}
.scroll-hint {
position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
color: var(--muted); text-decoration: none;
display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
transition: color 0.3s;
}
.scroll-hint:hover { color: var(--text); }
.scroll-hint svg { animation: bounce 2s infinite; }

/* ── TOC ── */
.toc-section { max-width: 780px; margin: 0 auto; padding: 6rem 2rem; }
.section-label {
font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.25em;
text-transform: uppercase; color: var(--accent); margin-bottom: 2rem;
display: flex; align-items: center; gap: 1rem;
}
.section-label::after { content:''; flex:1; height:1px; background:var(--border); }
.toc-list { list-style: none; }
.toc-item { border-top:1px solid var(--border); transition:border-color 0.3s; }
.toc-item:last-child { border-bottom:1px solid var(--border); }
.toc-item:hover { border-color: var(--accent2); }
.toc-link {
display: flex; align-items: baseline; justify-content: space-between;
padding: 1.2rem 0; text-decoration: none; color: var(--text); gap: 1rem; transition: color 0.3s;
}
.toc-link:hover { color: var(--white); }
.toc-link:hover .toc-num { color: var(--accent); }
.toc-num { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.1em; flex-shrink: 0; transition: color 0.3s; }
.toc-title { font-family: var(--font-body); font-size: 1.05rem; flex: 1; }

/* ── CHAPTER ── */
.chapter { max-width: 680px; margin: 0 auto; padding: 6rem 2rem 8rem; border-top: 1px solid var(--border); }
.chapter-header { margin-bottom: 4rem; }
.chapter-num {
font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.25em;
text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 1rem;
}
.chapter-title {
font-family: var(--font-title); font-size: clamp(2rem, 6vw, 3.5rem);
color: var(--white); line-height: 1.1; margin-bottom: 0.5rem;
}
.chapter-subtitle {
font-family: var(--font-mono); font-size: 13px; color: var(--muted);
letter-spacing: 0.1em; display: block; margin-bottom: 2rem;
}
.chapter-rule { width:40px; height:1px; background:var(--accent); }
.chapter p { margin-bottom: 1.8rem; color: var(--text); }

/* ── TEXT ELEMENTS ── */

.bold { font-weight: 700; color: var(--white); }

.strike { text-decoration: line-through; color: var(--muted); }

.redacted {
background: var(--white); color: var(--white);
user-select: none; padding: 0 0.2em; cursor: crosshair;
transition: background 0.5s, color 0.5s;
}
.redacted:hover { background: transparent; color: var(--accent); }

.whisper { color: var(--muted); font-size: 0.78em; letter-spacing: 0.08em; font-style: italic; }

.scream {
font-family: var(--font-title); font-size: 2.2rem; color: var(--white);
letter-spacing: -0.04em; line-height: 1; display: block;
margin: 1rem 0; animation: shake 1.5s infinite;
}

.horror { font-family: var(--font-horror); font-size: 1.6rem; color: var(--accent); line-height: 1.3; }

.fragment { font-family: var(--font-mono); font-size: 13px; color: var(--muted); letter-spacing: 0.06em; }

.blood { color: var(--accent); font-style: italic; animation: bleed 3s ease-in-out infinite; display: inline-block; }

.glitch-text { position: relative; display: inline-block; color: var(--white); font-family: var(--font-mono); }
.glitch-text::before {
content: attr(data-text); position: absolute; top:0; left:0;
color: var(--glitch1); animation: glitch-1 3s infinite; pointer-events: none;
}

.margin-note {
float: right; clear: right; width: 160px; margin: 0.5rem 0 1rem 2rem;
font-family: var(--font-mono); font-size: 11px; color: var(--muted);
letter-spacing: 0.05em; line-height: 1.6;
border-left: 2px solid var(--accent2); padding-left: 0.8rem;
}

.chapter-epigraph {
border-left: 2px solid var(--accent2); padding-left: 1.5rem;
margin: 2.5rem 0; font-style: italic; color: var(--muted); font-size: 0.95rem;
}
.chapter-epigraph cite {
display: block; font-style: normal; font-family: var(--font-mono);
font-size: 11px; letter-spacing: 0.1em; color: var(--accent); margin-top: 0.6rem;
}

.broken-quote {
position: relative; margin: 3rem 0; padding: 2rem;
border: 1px solid var(--border); background: var(--surface);
}
.broken-quote::before {
content: '"'; font-family: var(--font-title); font-size: 6rem;
line-height: 0; color: var(--accent2); position: absolute;
top: 2.5rem; left: 1rem; opacity: 0.3;
}
.broken-quote p {
font-style: italic; font-size: 1.15rem; color: var(--white);
padding-left: 2rem; margin-bottom: 0 !important; position: relative; z-index: 1;
}
.broken-quote .glitch-line {
font-family: var(--font-mono); font-size: 11px; color: var(--accent);
letter-spacing: 0.2em; margin-top: 1rem; padding-left: 2rem; display: block; opacity: 0.7;
}

.letter-block {
border: 1px solid var(--border); border-top: 3px solid var(--accent);
padding: 2rem; margin: 2.5rem 0; background: var(--surface);
font-size: 0.95rem; line-height: 2;
}
.letter-block .letter-date {
font-family: var(--font-mono); font-size: 11px; color: var(--muted);
letter-spacing: 0.15em; margin-bottom: 1.5rem; display: block;
}
.letter-block .letter-sign {
font-family: var(--font-horror); font-size: 1.4rem; color: var(--muted);
margin-top: 1.5rem; display: block;
}

.distort {
text-align: center; font-family: var(--font-mono); font-size: 11px;
color: var(--muted); letter-spacing: 0.35em; margin: 3rem 0;
font-size: 12px;
opacity: 0.95;
text-shadow: 0 1px 0 rgba(0,0,0,0.45);
overflow: hidden; white-space: nowrap;
}

/* estilo más visible para separadores importantes (ej. sep2) */
.distort--strong {
color: var(--accent);
letter-spacing: 0.45em;
font-weight: 600;
text-shadow: 0 2px 8px rgba(192,57,43,0.08);
}

/* ── CHAPTER NAV ── */
.chapter-nav {
display: flex; justify-content: space-between; align-items: center;
margin-top: 5rem; padding-top: 2rem; border-top: 1px solid var(--border);
font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em;
}
.chapter-nav a { color:var(--muted); text-decoration:none; transition:color 0.3s; }
.chapter-nav a:hover { color: var(--accent); }

/* ── FOOTER ── */
footer {
text-align: center; padding: 4rem 2rem; border-top: 1px solid var(--border);
font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; color: var(--muted);
}
footer a { color:var(--muted); text-decoration:none; }
footer a:hover { color: var(--accent); }
.mt-sm { margin-top: 1rem; }
.sr-only { position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0); }
.text-accent { color: var(--accent); }

@media (max-width: 600px) {
.chapter { padding: 4rem 1.5rem 6rem; }
.broken-quote { padding: 1.5rem; }
.margin-note { float:none; width:100%; margin:1rem 0; }
.lang-toggle { top:1rem; right:1rem; }
}