/* ============================================================
   KADE ZERO // Anomaly Detected
   Dark cyberpunk LitRPG design system
   ============================================================ */

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

/* ---- Tokens ---- */
:root {
  --bg:      #0a0a12;
  --bg-2:    #0d0d18;
  --panel:   #12121f;
  --panel-2: #161626;

  --violet:  #a855f7;
  --magenta: #d946ef;
  --cyan:    #22d3ee;

  --text:    #e8e8f2;
  --muted:   #9a9ab4;
  --dim:     #6b6b84;

  --line:      rgba(168, 85, 247, 0.22);
  --line-cyan: rgba(34, 211, 238, 0.28);

  --glow-violet: 0 0 18px rgba(168, 85, 247, 0.55);
  --glow-cyan:   0 0 14px rgba(34, 211, 238, 0.45);

  --font-display: "Chakra Petch", "Arial Narrow", sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Share Tech Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --maxw: 1080px;
  --pad: clamp(1.1rem, 4vw, 2.5rem);
}

/* ---- Base ---- */
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Ambient background glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 600px at 78% -8%, rgba(168, 85, 247, 0.16), transparent 60%),
    radial-gradient(900px 520px at 8% 12%, rgba(34, 211, 238, 0.10), transparent 55%),
    radial-gradient(1200px 900px at 50% 120%, rgba(217, 70, 239, 0.10), transparent 60%),
    var(--bg);
}

/* Scanline texture */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.018) 0px,
    rgba(255, 255, 255, 0.018) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.6;
  mix-blend-mode: overlay;
}

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ---- Typography ---- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.72rem;
  color: var(--cyan);
  margin-bottom: 0.9rem;
  display: inline-block;
}
.mono { font-family: var(--font-mono); }
.accent { color: var(--violet); }
.accent-cyan { color: var(--cyan); }

p { color: var(--muted); }
p.lead { color: var(--text); font-size: clamp(1.05rem, 2.2vw, 1.28rem); }

/* ---- HUD panel with corner brackets ---- */
.hud {
  --bk: 20px;   /* bracket length */
  --bw: 2px;    /* bracket weight */
  --bc: var(--cyan);
  position: relative;
  background:
    linear-gradient(180deg, rgba(22, 22, 38, 0.72), rgba(12, 12, 24, 0.72));
  border: 1px solid var(--line);
  backdrop-filter: blur(2px);
}
.hud::before, .hud::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hud::before {
  background:
    linear-gradient(var(--bc), var(--bc)) top left    / var(--bk) var(--bw) no-repeat,
    linear-gradient(var(--bc), var(--bc)) top left    / var(--bw) var(--bk) no-repeat,
    linear-gradient(var(--bc), var(--bc)) top right   / var(--bk) var(--bw) no-repeat,
    linear-gradient(var(--bc), var(--bc)) top right   / var(--bw) var(--bk) no-repeat;
}
.hud::after {
  background:
    linear-gradient(var(--bc), var(--bc)) bottom left  / var(--bk) var(--bw) no-repeat,
    linear-gradient(var(--bc), var(--bc)) bottom left  / var(--bw) var(--bk) no-repeat,
    linear-gradient(var(--bc), var(--bc)) bottom right / var(--bk) var(--bw) no-repeat,
    linear-gradient(var(--bc), var(--bc)) bottom right / var(--bw) var(--bk) no-repeat;
}
.hud--violet { --bc: var(--violet); border-color: rgba(168,85,247,0.30); }

/* ---- Buttons ---- */
.btn {
  --c: var(--violet);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.86rem;
  padding: 0.85rem 1.5rem;
  color: var(--text);
  background: linear-gradient(180deg, rgba(168,85,247,0.16), rgba(168,85,247,0.05));
  border: 1px solid var(--c);
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-violet);
  background: linear-gradient(180deg, rgba(168,85,247,0.30), rgba(168,85,247,0.10));
}
.btn--cyan {
  --c: var(--cyan);
  background: linear-gradient(180deg, rgba(34,211,238,0.15), rgba(34,211,238,0.04));
}
.btn--cyan:hover { box-shadow: var(--glow-cyan); background: linear-gradient(180deg, rgba(34,211,238,0.28), rgba(34,211,238,0.08)); }
.btn--ghost {
  background: transparent;
  border-color: var(--dim);
  color: var(--muted);
}
.btn--ghost:hover { color: var(--text); border-color: var(--cyan); box-shadow: none; transform: translateY(-2px); }
.btn--lg { padding: 1.05rem 2rem; font-size: 0.95rem; }

/* ---- Nav ---- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem var(--pad);
  background: rgba(10, 10, 18, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.nav__brand b { color: var(--violet); text-shadow: var(--glow-violet); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
.nav__links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.15s ease;
}
.nav__links a:hover { color: var(--cyan); }
.nav__links .btn { color: var(--text); }
.nav__toggle { display: none; background: none; border: 0; padding: 0.4rem; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: 0.2s; }

/* ---- Sections ---- */
section { padding-block: clamp(3.5rem, 9vw, 6.5rem); position: relative; }
.section-head { margin-bottom: 2.5rem; }
.section-head h2 { font-size: clamp(1.9rem, 5vw, 3rem); }
.section-num {
  font-family: var(--font-mono);
  color: var(--dim);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
}

/* ---- Hero ---- */
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding-top: 6rem;
}
.hero__title {
  font-size: clamp(3.2rem, 12vw, 7rem);
  line-height: 0.92;
  margin: 0.3rem 0 1.1rem;
}
.hero__title .z { color: var(--violet); }
.hero__hook {
  font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  color: var(--text);
  max-width: 34ch;
  margin-bottom: 2rem;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero__media { position: relative; justify-self: center; }
.hero__avatar {
  width: min(100%, 420px);
  border: 1px solid var(--line-cyan);
  box-shadow: 0 0 60px rgba(168, 85, 247, 0.25), 0 30px 60px rgba(0,0,0,0.55);
  filter: saturate(1.05);
}
.hero__media .hud { padding: 10px; }

/* Objectives HUD panel */
.objectives {
  margin-top: 1.8rem;
  padding: 1rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}
.objectives .obj-label { color: var(--cyan); letter-spacing: 0.24em; font-size: 0.72rem; }
.objectives ul { display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; margin-top: 0.6rem; }
.objectives li { color: var(--text); position: relative; padding-left: 1.1rem; }
.objectives li::before {
  content: "▸";
  position: absolute; left: 0; top: 0;
  color: var(--violet);
}

/* ---- The Book ---- */
.book { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 5vw, 3.5rem); align-items: start; }
.book__cover-wrap { position: relative; padding: 12px; }
.book__cover {
  width: 100%;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 40px rgba(217,70,239,0.18);
}
.book__blurb p { margin-bottom: 1.1rem; }
.book__blurb .lead { margin-bottom: 1.4rem; }

/* Stat block */
.statblock {
  margin: 1.6rem 0;
  padding: 1.15rem 1.3rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.statblock .sb-title {
  color: var(--cyan);
  letter-spacing: 0.2em;
  font-size: 0.72rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.6rem;
  margin-bottom: 0.8rem;
  display: block;
}
.statblock dl { display: grid; grid-template-columns: auto 1fr; gap: 0.45rem 1.2rem; margin: 0; }
.statblock dt { color: var(--dim); }
.statblock dd { color: var(--text); margin: 0; text-align: right; }
.statblock dd b { color: var(--violet); }

.booktwo-note {
  margin-top: 1.4rem;
  padding: 0.8rem 1rem;
  border-left: 2px solid var(--cyan);
  background: rgba(34,211,238,0.05);
  font-size: 0.92rem;
  color: var(--text);
}

/* ---- About / Who is Kade Zero ---- */
.about { max-width: 780px; }
.about__panel { padding: clamp(1.6rem, 4vw, 2.6rem); }
.about .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--bg);
  background: var(--cyan);
  padding: 0.25rem 0.7rem;
  margin-bottom: 1.3rem;
  text-transform: uppercase;
}
.about__panel p { color: var(--text); font-size: clamp(1rem, 2.2vw, 1.14rem); }
.about__panel p + p { margin-top: 1.1rem; }

/* ---- Newsletter ---- */
.newsletter { text-align: center; }
.newsletter .wrap { max-width: 680px; }
.newsletter__box { padding: clamp(1.8rem, 5vw, 3rem); }
.newsletter h2 { font-size: clamp(1.8rem, 5vw, 2.6rem); }
.newsletter p { margin: 0.8rem auto 1.8rem; max-width: 44ch; }
/* Signup form */
.signup {
  display: flex;
  gap: 0.6rem;
  max-width: 460px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.signup input[type="email"] {
  flex: 1 1 240px;
  min-width: 0;
  background: rgba(10, 10, 18, 0.8);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.signup input[type="email"]::placeholder { color: var(--dim); }
.signup input[type="email"]:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan), var(--glow-cyan);
}
.signup .btn { flex: 0 0 auto; }
/* Honeypot: hidden from humans, catches bots */
.signup .hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.signup-msg {
  min-height: 1.2rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.signup-msg.ok { color: var(--cyan); }
.signup-msg.err { color: #f472b6; }
.signup.busy { opacity: 0.6; pointer-events: none; }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 2.6rem;
  background: rgba(8,8,14,0.6);
}
.footer .wrap { display: flex; flex-wrap: wrap; gap: 1.2rem 2rem; align-items: center; justify-content: space-between; }
.footer__links { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer__links a { font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em; color: var(--muted); text-transform: uppercase; }
.footer__links a:hover { color: var(--cyan); }
.footer__meta { font-family: var(--font-mono); font-size: 0.76rem; color: var(--dim); }
.footer__meta b { color: var(--violet); }

/* ---- Glitch (subtle) ---- */
.glitch { position: relative; }
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  clip-path: inset(0 0 0 0);
  opacity: 0.7;
}
.glitch::before { color: var(--cyan); animation: glitch-x 4.2s infinite steps(2, jump-none); }
.glitch::after  { color: var(--magenta); animation: glitch-y 3.4s infinite steps(2, jump-none); }

@keyframes glitch-x {
  0%, 92%, 100% { transform: translate(0); clip-path: inset(0 0 100% 0); }
  93% { transform: translate(-2px, 0); clip-path: inset(20% 0 40% 0); }
  96% { transform: translate(2px, 0);  clip-path: inset(60% 0 10% 0); }
}
@keyframes glitch-y {
  0%, 90%, 100% { transform: translate(0); clip-path: inset(0 0 100% 0); }
  91% { transform: translate(2px, 1px); clip-path: inset(45% 0 35% 0); }
  95% { transform: translate(-1px, -1px); clip-path: inset(10% 0 70% 0); }
}

/* ---- Reveal on scroll ---- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   TRANSPARENCY PAGE (/how-this-is-made)
   ============================================================ */
.page-hero { padding-top: 8rem; padding-bottom: 1rem; }
.page-hero h1 { font-size: clamp(2.4rem, 8vw, 4.2rem); }
.page-hero .standfirst { font-size: clamp(1.1rem, 2.6vw, 1.4rem); color: var(--text); max-width: 46ch; margin-top: 1rem; }

.tp-grid { display: grid; gap: 1.4rem; }
.tp-block { padding: clamp(1.4rem, 3.5vw, 2.2rem); }
.tp-block h2 { font-size: clamp(1.3rem, 3.5vw, 1.8rem); margin-bottom: 0.9rem; color: var(--text); }
.tp-block h2 .n { font-family: var(--font-mono); color: var(--violet); font-size: 0.9rem; margin-right: 0.6rem; }
.tp-block p { color: var(--muted); }
.tp-block p + p { margin-top: 0.9rem; }
.tp-two { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }

/* HUD list for "what the human/AI does" */
.hud-list li {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text);
  padding: 0.55rem 0 0.55rem 1.6rem;
  border-bottom: 1px solid rgba(168,85,247,0.10);
  position: relative;
}
.hud-list li:last-child { border-bottom: 0; }
.hud-list li::before {
  content: "»";
  position: absolute; left: 0.2rem; top: 0.5rem;
  color: var(--cyan);
}
.hud-list.ai li::before { color: var(--magenta); }

.disclosure {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--text);
  border: 1px solid var(--line-cyan);
  padding: 1.1rem 1.3rem;
  background: rgba(34,211,238,0.04);
}
.disclosure .tag-ai {
  display: inline-block;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 0.1rem 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  margin-right: 0.4rem;
}

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    padding-top: 5.5rem;
    padding-bottom: 2.75rem;
    gap: 1.9rem;
  }
  .hero__copy { display: flex; flex-direction: column; align-items: center; }
  .hero__hook { margin-inline: auto; }
  .hero__cta { justify-content: center; }
  .hero__title { font-size: clamp(3rem, 16vw, 5rem); }
  /* Avatar box: deterministic width, centered, square */
  .hero__media { order: -1; justify-self: center; width: 100%; display: flex; justify-content: center; }
  .hero__media .hud { width: min(66vw, 280px); padding: 8px; }
  .hero__avatar { width: 100%; }
  /* Objectives: compact centered panel with left-aligned items */
  .objectives { display: inline-block; text-align: left; margin-inline: auto; }
  .objectives ul { justify-content: flex-start; }
  .book { grid-template-columns: 1fr; }
  .book__cover-wrap { max-width: 340px; margin-inline: auto; }
  .statblock dd { text-align: left; }
  .tp-two { grid-template-columns: 1fr; }

  .nav__links {
    position: fixed;
    inset: 56px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(10,10,18,0.97);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--pad) 1.2rem;
    transform: translateY(-120%);
    transition: transform 0.25s ease;
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links a { padding: 0.85rem 0; border-bottom: 1px solid rgba(168,85,247,0.10); }
  .nav__links .btn { margin-top: 0.8rem; justify-content: center; }
  .nav__toggle { display: block; }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .glitch::before, .glitch::after { animation: none; display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}