/* ============================================================
   ARC BATTALION // PAD-X1
   Tactical HUD landing — dark metal, green CRT, decryption reveal
   ============================================================ */

:root{
  --bg-0:#05070a;
  --bg-1:#0a0e12;
  --bg-2:#10161c;
  --metal-0:#161b21;
  --metal-1:#1c232b;
  --metal-2:#272f38;
  --metal-edge:#0a0d10;
  --line:#1f2730;

  --green-0:#0d2c14;
  --green-1:#1aff66;
  --green-2:#5bff8a;
  --green-soft:#9bffb6;
  --green-glow:rgba(26,255,102,.55);
  --green-glow-soft:rgba(26,255,102,.18);

  --white-0:#e8efe9;
  --white-1:#cfd5d0;
  --white-2:#9aa39c;

  --red:#ff5447;

  --font-display:'Chakra Petch', system-ui, sans-serif;
  --font-mono:'Share Tech Mono', ui-monospace, monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html, body{ height:100%; }
body{
  font-family:var(--font-display);
  background:var(--bg-0);
  color:var(--white-0);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  user-select:none;
}

button{ font-family:inherit; color:inherit; background:none; border:0; cursor:pointer; }

/* ============================================================
   AMBIENT BACKGROUND — full-bleed PNG (drop image at assets/background.jpg)
   Falls back to a CSS mesh + green glow if the image is missing.
   ============================================================ */

.ambient-mesh{
  position:fixed; inset:0;
  z-index:0;
  overflow:hidden;
  background-color:#05070a;
  background-image:url("assets/background.jpg");
  background-size:cover;       /* fills viewport, scales/distorts on extreme ratios */
  background-position:center center;
  background-repeat:no-repeat;
}
/* On very wide / very tall viewports, allow the background to stretch
   (deform) to fill the entire viewport — per user request. */
@media (min-aspect-ratio: 21/9), (max-aspect-ratio: 9/16){
  .ambient-mesh{ background-size:100% 100%; }
}

/* CSS fallback layers — visible only if the bg image is absent (handled by JS) */
.ambient-mesh.no-bg-img{
  background-image:
    radial-gradient(ellipse at 50% 60%, #0e1a14 0%, #06090c 55%, #03050700 100%),
    linear-gradient(180deg, #06090c 0%, #03050700 70%);
}

/* Distant green light cells behind the mesh — only in fallback mode */
.mesh-glow{
  position:absolute;
  width:240px; height:60px;
  background:linear-gradient(180deg, #0c2615, #1aff66);
  filter:blur(28px);
  opacity:.55;
  border-radius:6px;
  animation:pulse 4.5s ease-in-out infinite;
  display:none;
}
.ambient-mesh.no-bg-img .mesh-glow{ display:block; }
.mg-1{ left:-60px; top:42%; }
.mg-2{ right:-60px; top:48%; animation-delay:-1.6s; }
.mg-3{ left:18%; bottom:8%; width:160px; height:36px; opacity:.35; animation-delay:-2.8s; }

@keyframes pulse{
  0%,100%{ opacity:.35; transform:translateY(0) scaleX(1); }
  50%{ opacity:.7; transform:translateY(-4px) scaleX(1.02); }
}

/* Grid overlay — only in fallback mode */
.grid-overlay{
  position:absolute; inset:0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to right, rgba(0,0,0,.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,.55) 1px, transparent 1px);
  background-size:38px 38px, 38px 38px, 38px 38px, 38px 38px;
  background-position:0 0, 0 0, 1px 1px, 1px 1px;
  mix-blend-mode:screen;
  opacity:.55;
  mask-image:radial-gradient(ellipse at 50% 55%, #000 30%, transparent 80%);
  display:none;
}
.ambient-mesh.no-bg-img .grid-overlay{ display:block; }

/* Subtle CRT scanlines */
.scanlines{
  position:absolute; inset:0;
  background:repeating-linear-gradient(
    0deg,
    rgba(255,255,255,.02) 0px,
    rgba(255,255,255,.02) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events:none;
  mix-blend-mode:overlay;
}

.vignette{
  position:absolute; inset:0;
  background:radial-gradient(ellipse at 50% 50%, transparent 50%, rgba(0,0,0,.85) 100%);
  pointer-events:none;
}

/* ============================================================
   BOOT SCREEN
   ============================================================ */

.boot-screen{
  position:fixed; inset:0; z-index:50;
  background:radial-gradient(ellipse at 50% 50%, #0a0f0c 0%, #03050700 70%), #03050700;
  background-color:#04060880;
  backdrop-filter:blur(2px);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .6s ease, visibility .6s ease;
}
.boot-screen.hidden{ opacity:0; visibility:hidden; pointer-events:none; }

.boot-inner{
  width:min(520px, 86vw);
  font-family:var(--font-mono);
  color:var(--green-2);
  text-shadow:0 0 6px var(--green-glow);
}
.boot-brand{
  font-family:var(--font-display);
  font-size:64px; font-weight:700; letter-spacing:-.02em;
  color:var(--white-0);
  text-shadow:0 0 14px var(--green-glow);
  margin-bottom:18px;
}
.boot-brand .brand-x{ color:var(--white-0); }
.boot-brand .brand-1{ color:var(--green-1); }

.boot-line{
  display:flex; justify-content:space-between;
  font-size:11px; letter-spacing:.18em; text-transform:uppercase;
  margin-bottom:8px;
  color:var(--green-soft);
}
.boot-status{ color:var(--green-1); }

.boot-bar{
  height:4px; background:rgba(26,255,102,.12);
  border:1px solid rgba(26,255,102,.25);
  position:relative; overflow:hidden;
  margin-bottom:18px;
}
.boot-bar-fill{
  position:absolute; inset:0 100% 0 0;
  background:linear-gradient(90deg, #0c5a25, #1aff66 80%, #c8ffd6);
  box-shadow:0 0 12px var(--green-glow);
  transition:right .12s linear;
}

.boot-log{
  list-style:none;
  font-size:11px; line-height:1.65;
  color:rgba(155,255,182,.7);
  height:120px; overflow:hidden;
}
.boot-log li{ opacity:0; animation:logIn .25s forwards; }
.boot-log li.err{ color:var(--red); text-shadow:0 0 6px rgba(255,84,71,.6); }
@keyframes logIn{ to{ opacity:1; } }

/* ============================================================
   STAGE — the PAD itself
   ============================================================ */

.stage{
  position:relative;
  z-index:2;
  height:100vh;
  display:flex; align-items:center; justify-content:center;
  padding:clamp(12px, 3vw, 40px);
}

/* ---- The frame / chassis ---- */
.pad{
  --pad-w: min(1180px, 94vw);
  --pad-h: min(820px, 90vh);
  /* Screen-content inset = exact transparent cutout of tablet-frame.png (1362×946) */
  --frame-inset-top: 7.72%;
  --frame-inset-right: 6.31%;
  --frame-inset-bottom: 7.82%;
  --frame-inset-left: 6.31%;

  width:var(--pad-w);
  aspect-ratio: 1362 / 946;
  max-height:var(--pad-h);
  position:relative;
  padding:0;

  filter:drop-shadow(0 30px 60px rgba(0,0,0,.7)) drop-shadow(0 0 60px rgba(26,255,102,.06));
  transform:translateY(0) rotateX(0);
  transition:transform .8s cubic-bezier(.2,.7,.2,1);
}

/* PNG frame — sits BEHIND the screen content layer */
.pad-frame-img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:contain;
  pointer-events:none;
  z-index:0;
  user-select:none;
}

/* CSS fallback frame (used when no image is provided) */
.pad.no-frame-img{
  border-radius:26px;
  background:
    radial-gradient(ellipse at 50% 0%, #2a323b 0%, #161b21 30%, #0d1115 70%),
    linear-gradient(180deg, #1c232b, #0c1014);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.06),
    inset 0 -2px 0 rgba(0,0,0,.5),
    0 0 0 1px #0a0d10;
  padding:clamp(18px, 2.4vw, 34px);
}
.pad.no-frame-img::before{
  content:"";
  position:absolute; inset:6px 6px auto 6px; height:14px;
  background:linear-gradient(180deg, rgba(255,255,255,.12), transparent 80%);
  border-radius:22px 22px 0 0;
  pointer-events:none;
}
.pad.no-frame-img::after{
  content:"";
  position:absolute; inset:-1px;
  border-radius:28px;
  background:linear-gradient(180deg, #2b333c, #0a0d10);
  z-index:-1;
}
.pad.no-frame-img .bolt,
.pad.no-frame-img .notch{ display:block; }
.pad .bolt, .pad .notch{ display:none; }

/* shake on unlock */
.pad.shake{ animation:padShake .55s cubic-bezier(.36,.07,.19,.97); }
@keyframes padShake{
  0%,100%{ transform:translate(0,0) rotate(0); }
  10%{ transform:translate(-3px,1px) rotate(-.3deg); }
  20%{ transform:translate(4px,-2px) rotate(.4deg); }
  30%{ transform:translate(-5px,2px) rotate(-.5deg); }
  45%{ transform:translate(5px,-1px) rotate(.4deg); }
  60%{ transform:translate(-3px,2px) rotate(-.2deg); }
  80%{ transform:translate(2px,-1px) rotate(.1deg); }
}

/* Bolts at corners */
.bolt{
  position:absolute;
  width:14px; height:14px; border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #4a545f, #1a1f25 60%, #07090b);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 1px rgba(0,0,0,.6);
}
.bolt-tl{ top:14px; left:14px; }
.bolt-tr{ top:14px; right:14px; }
.bolt-bl{ bottom:14px; left:14px; }
.bolt-br{ bottom:14px; right:14px; }

/* Side notches */
.notch{
  position:absolute;
  width:6px; height:36px;
  background:linear-gradient(180deg, #0a0d10, #20262d 50%, #0a0d10);
  border-radius:3px;
}
.notch-l-1{ left:-3px; top:30%; }
.notch-l-2{ left:-3px; top:55%; }
.notch-r-1{ right:-3px; top:30%; }
.notch-r-2{ right:-3px; top:55%; }

/* ============================================================
   SCREEN
   ============================================================ */

.screen{
  position:absolute;
  top:var(--frame-inset-top);
  right:var(--frame-inset-right);
  bottom:var(--frame-inset-bottom);
  left:var(--frame-inset-left);
  border-radius:6px;
  background:
    radial-gradient(ellipse at 50% 0%, #0c1d12 0%, #050a07 60%, #02060300 100%),
    linear-gradient(180deg, #0a1410, #050907);
  box-shadow:
    inset 0 0 0 1px rgba(26,255,102,.05),
    inset 0 0 60px rgba(26,255,102,.08),
    inset 0 0 140px rgba(0,0,0,.6);
  overflow:hidden;
  isolation:isolate;
  padding:clamp(14px, 2.2vw, 28px);
  display:flex;
  flex-direction:column;
  z-index:2;
}
/* When falling back to CSS frame, screen takes the padding of .pad */
.pad.no-frame-img .screen{
  position:relative;
  inset:auto;
  width:100%; height:100%;
  border-radius:14px;
  border:1px solid #0c1f12;
}

/* CRT subtle scanlines on the screen itself */
.screen::before{
  content:"";
  position:absolute; inset:0;
  background:repeating-linear-gradient(
    0deg, rgba(0,0,0,0) 0 2px, rgba(0,0,0,.18) 2px 3px
  );
  pointer-events:none;
  z-index:5;
  mix-blend-mode:multiply;
  opacity:.6;
}

/* CRT noise */
.screen::after{
  content:"";
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.55'/></svg>");
  opacity:.05;
  pointer-events:none;
  z-index:6;
  mix-blend-mode:overlay;
}

/* HUD corners */
.corner{
  position:absolute;
  width:54px; height:54px;
  border:2px solid var(--green-1);
  filter:drop-shadow(0 0 6px var(--green-glow));
  z-index:7;
}
.c-tl{ top:10px; left:10px; border-right:0; border-bottom:0; border-radius:6px 0 0 0; }
.c-tr{ top:10px; right:10px; border-left:0; border-bottom:0; border-radius:0 6px 0 0; }
.c-bl{ bottom:10px; left:10px; border-right:0; border-top:0; border-radius:0 0 0 6px; }
.c-br{ bottom:10px; right:10px; border-left:0; border-top:0; border-radius:0 0 6px 0; }

/* PAD tag */
.pad-tag{
  position:absolute; top:14px; right:18px;
  z-index:8;
  font-family:var(--font-display);
  font-weight:700;
  color:var(--green-1);
  text-shadow:0 0 10px var(--green-glow);
  font-size:14px; letter-spacing:.18em;
  display:flex; gap:4px;
}
.pad-tag .bracket{ color:var(--green-soft); opacity:.7; }
.pad-tag-label{
  border:1.5px solid var(--green-1);
  padding:2px 8px;
  border-radius:3px;
  filter:drop-shadow(0 0 6px var(--green-glow));
}

/* HUD battery */
.hud-battery{
  position:absolute; bottom:20px; left:18px;
  display:flex; align-items:center; gap:3px;
  z-index:8;
}
.bat-cell{
  width:6px; height:9px;
  background:var(--green-1);
  box-shadow:0 0 6px var(--green-glow);
  display:block;
}
.bat-cell:nth-child(2){ opacity:.8; }
.bat-cell:nth-child(3){ opacity:.55; }
.bat-bar{
  margin-left:6px;
  width:34px; height:4px;
  background:linear-gradient(90deg, var(--green-1) 70%, rgba(26,255,102,.15) 70%);
  box-shadow:0 0 6px var(--green-glow);
}

/* ============================================================
   STATES
   ============================================================ */

.state{
  position:absolute; inset:0;
  display:flex; flex-direction:column;
  justify-content:center; align-items:center;
  padding:clamp(20px, 4vw, 60px);
  z-index:4;
  transition:opacity .4s ease, transform .4s ease, filter .4s ease;
}

/* LOCKED */
.state-locked{
  text-align:center;
  gap:16px;
  color:var(--green-1);
}
.state-locked.fading{ opacity:0; filter:blur(6px); transform:scale(.97); pointer-events:none; }

.lock-rings{
  position:relative;
  width:120px; height:120px;
  display:grid; place-items:center;
  margin-bottom:8px;
  color:var(--green-1);
  filter:drop-shadow(0 0 14px var(--green-glow));
}
.ring{
  position:absolute; inset:0;
  border:1.5px dashed var(--green-1);
  border-radius:50%;
  opacity:.45;
}
.ring.r1{ inset:0; animation:spin 9s linear infinite; }
.ring.r2{ inset:14px; border-style:solid; opacity:.25; animation:spin 14s linear infinite reverse; }
.ring.r3{ inset:28px; border-style:dotted; opacity:.55; animation:spin 6s linear infinite; }
.lock-glyph{ position:relative; z-index:2; color:var(--green-1); }
@keyframes spin{ to{ transform:rotate(360deg); } }

.locked-title{
  font-size:clamp(28px, 4.6vw, 56px);
  font-weight:700;
  letter-spacing:.05em;
  color:var(--white-0);
  text-shadow:0 0 12px var(--green-glow), 0 0 2px #fff;
  position:relative;
}
.locked-title::after{
  content:attr(data-text);
  position:absolute; left:0; top:0; right:0;
  color:var(--green-1);
  mix-blend-mode:screen;
  filter:blur(8px);
  opacity:.55;
  pointer-events:none;
}
.locked-sub{
  font-family:var(--font-mono);
  font-size:13px; letter-spacing:.22em;
  color:var(--green-soft);
  text-shadow:0 0 6px var(--green-glow);
}
.lock-meta{
  display:flex; gap:18px; flex-wrap:wrap; justify-content:center;
  font-family:var(--font-mono);
  font-size:11px; letter-spacing:.2em;
  color:rgba(155,255,182,.7);
  margin-top:4px;
}
.lock-meta .dot{
  display:inline-block; width:6px; height:6px; border-radius:50%;
  background:var(--green-1); box-shadow:0 0 6px var(--green-glow);
  margin-right:6px;
  animation:blink 1.6s ease-in-out infinite;
}
.lock-meta span:nth-child(2) .dot{ animation-delay:.3s; }
.lock-meta span:nth-child(3) .dot{ background:#ffd34d; box-shadow:0 0 6px rgba(255,211,77,.7); animation-delay:.6s; }
@keyframes blink{ 0%,100%{ opacity:1; } 50%{ opacity:.25; } }

/* Unlock button */
.unlock-btn, .accept-btn{
  position:relative;
  margin-top:10px;
  padding:clamp(14px, 1.5vh, 20px) clamp(40px, 5vw, 72px);
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(17px, 1.6vw, 22px);
  letter-spacing:.16em;
  color:var(--green-1);
  text-shadow:0 0 8px var(--green-glow);
  background:
    linear-gradient(180deg, rgba(26,255,102,.16), rgba(26,255,102,.05));
  border:1.5px solid var(--green-1);
  border-radius:6px;
  box-shadow:
    inset 0 0 12px rgba(26,255,102,.18),
    0 0 24px rgba(26,255,102,.18),
    0 0 60px rgba(26,255,102,.08);
  isolation:isolate;
  overflow:hidden;
  transition:transform .15s ease, box-shadow .25s ease, color .25s ease;
}
.unlock-btn{
  animation:btnPulse 2s ease-in-out infinite;
}
.unlock-btn:hover, .accept-btn:hover{
  color:#fff;
  text-shadow:0 0 14px #fff, 0 0 20px var(--green-glow);
  box-shadow:
    inset 0 0 20px rgba(26,255,102,.35),
    0 0 40px rgba(26,255,102,.45),
    0 0 90px rgba(26,255,102,.18);
  transform:translateY(-1px);
}
.unlock-btn:active, .accept-btn:active{ transform:translateY(0); }

@keyframes btnPulse{
  0%,100%{ box-shadow: inset 0 0 12px rgba(26,255,102,.18), 0 0 24px rgba(26,255,102,.22), 0 0 60px rgba(26,255,102,.08); }
  50%{ box-shadow: inset 0 0 18px rgba(26,255,102,.28), 0 0 38px rgba(26,255,102,.4), 0 0 100px rgba(26,255,102,.18); }
}

/* Button HUD corners */
.btn-corner{
  position:absolute;
  width:14px; height:14px;
  border:2px solid var(--green-1);
  filter:drop-shadow(0 0 4px var(--green-glow));
}
.btn-c-tl{ top:-2px; left:-2px; border-right:0; border-bottom:0; }
.btn-c-tr{ top:-2px; right:-2px; border-left:0; border-bottom:0; }
.btn-c-bl{ bottom:-2px; left:-2px; border-right:0; border-top:0; }
.btn-c-br{ bottom:-2px; right:-2px; border-left:0; border-top:0; }

.btn-glow{
  position:absolute; inset:0;
  background:radial-gradient(ellipse at center, rgba(26,255,102,.35), transparent 60%);
  opacity:0; transition:opacity .25s ease;
}
.unlock-btn:hover .btn-glow, .accept-btn:hover .btn-glow{ opacity:1; }

.btn-arrow{
  display:inline-block; margin-left:10px;
  font-family:var(--font-mono);
  font-weight:400; opacity:.85;
  transform:translateX(0); transition:transform .25s ease;
}
.unlock-btn:hover .btn-arrow{ transform:translateX(4px); }

.locked-hint{
  font-family:var(--font-mono);
  font-size:11px; letter-spacing:.22em;
  color:rgba(155,255,182,.45);
  margin-top:4px;
  animation:hintBlink 2.4s ease-in-out infinite;
}
@keyframes hintBlink{ 0%,100%{ opacity:.4; } 50%{ opacity:.9; } }

/* UNLOCKED state — manifesto */
.state-unlocked{
  opacity:0;
  pointer-events:none;
  text-align:left;
  align-items:stretch;
  justify-content:space-between;
  gap:clamp(10px, 2vh, 22px);
  overflow:hidden;
  padding:clamp(16px, 2.4vw, 38px);
}
.state-unlocked.visible{
  opacity:1;
  pointer-events:auto;
}

.m-header{
  display:flex; justify-content:space-between; align-items:flex-start;
  gap:24px;
  flex-shrink:0;
}
.m-titles{
  display:flex; flex-direction:column;
  line-height:.92;
}
.m-title{
  font-size:clamp(38px, 5.6vw, 76px);
  font-weight:700;
  color:var(--white-0);
  text-shadow:0 0 14px rgba(26,255,102,.25);
  letter-spacing:-.015em;
}
.m-subtitle{
  margin-top:14px;
  font-family:var(--font-mono);
  font-size:clamp(12px, 1.05vw, 16px);
  letter-spacing:.22em;
  color:var(--green-soft);
  text-shadow:0 0 6px var(--green-glow);
}
.m-sigil{
  display:block;
  height:clamp(80px, 11vh, 150px);
  width:auto;
  flex-shrink:0;
  filter:
    drop-shadow(0 0 10px var(--green-glow))
    drop-shadow(0 0 22px rgba(26,255,102,.3));
  user-select:none;
}

.m-preface{
  font-family:var(--font-mono);
  font-size:clamp(13px, 1.15vw, 16px);
  color:rgba(207,213,208,.92);
  letter-spacing:.04em;
  border-left:2px solid var(--green-1);
  padding-left:14px;
  text-shadow:0 0 4px rgba(26,255,102,.2);
  flex-shrink:0;
}

.m-articles{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(12px, 2vh, 24px) clamp(20px, 3vw, 44px);
  flex:1;
  align-content:center;
}
.m-art{
  position:relative;
}
.m-art h3{
  font-size:clamp(17px, 1.6vw, 22px);
  font-weight:600;
  color:var(--green-1);
  text-shadow:0 0 8px var(--green-glow);
  letter-spacing:.04em;
  margin-bottom:8px;
}
.m-art p{
  font-size:clamp(14px, 1.2vw, 17px);
  line-height:1.45;
  color:var(--white-1);
}
.m-creed{
  margin-top:10px;
  color:var(--white-0) !important;
  font-weight:700;
  letter-spacing:.04em;
  text-shadow:0 0 10px var(--green-glow);
  font-size:clamp(15px, 1.3vw, 19px) !important;
}

.accept-btn-wrap{
  display:flex;
  justify-content:center;
  align-items:center;
  width:100%;
  margin-top:8px;
}
.accept-btn{
  margin:0;
}

.m-footer-wrap{
  display:flex;
  justify-content:center;
  align-items:center;
  width:100%;
  margin-top:auto;
  padding-top:6px;
}
.m-footer{
  font-family:var(--font-mono);
  font-size:clamp(11px, .95vw, 13px); letter-spacing:.22em;
  color:rgba(155,255,182,.55);
  text-align:center;
}

/* WELCOME state — shown after accept, then fades out */
.state-welcome{
  opacity:0;
  pointer-events:none;
  text-align:center;
  align-items:center;
  justify-content:center;
  gap:0;
  transition:opacity .55s ease, filter .55s ease, transform .55s ease;
  filter:blur(6px);
  transform:scale(.96);
}
.state-welcome.visible{
  opacity:1;
  pointer-events:auto;
  filter:blur(0);
  transform:scale(1);
}
.state-welcome.fading{
  opacity:0;
  filter:blur(8px);
  transform:scale(1.04);
  pointer-events:none;
}
.welcome-frame{
  display:flex; flex-direction:column; align-items:center;
  gap:18px;
  padding:0 6%;
}
.welcome-line{
  width:min(420px, 60%);
  height:1px;
  background:linear-gradient(90deg, transparent, var(--green-1), transparent);
  box-shadow:0 0 12px var(--green-glow);
  opacity:.85;
  transform:scaleX(0);
  transform-origin:center;
  animation:welcomeLine .7s .2s cubic-bezier(.2,.7,.2,1) forwards;
}
.state-welcome.visible .welcome-line:nth-of-type(2){ animation-delay:.4s; }
@keyframes welcomeLine{ to{ transform:scaleX(1); } }

.welcome-text{
  font-family:var(--font-display);
  font-size:clamp(44px, 6.5vw, 96px);
  font-weight:700;
  letter-spacing:.01em;
  line-height:1;
  color:var(--white-0);
  text-shadow:
    0 0 14px var(--green-glow),
    0 0 28px rgba(26,255,102,.35),
    0 0 2px #fff;
  position:relative;
}
.welcome-text::after{
  content:attr(data-final);
  position:absolute; left:0; right:0; top:0;
  color:var(--green-1);
  filter:blur(10px);
  opacity:.55;
  mix-blend-mode:screen;
  pointer-events:none;
}
.welcome-sub{
  font-family:var(--font-mono);
  font-size:clamp(11px, 1vw, 14px);
  letter-spacing:.28em;
  color:var(--green-soft);
  text-shadow:0 0 6px var(--green-glow);
  margin-top:6px;
  opacity:0;
  animation:welcomeFadeIn .6s .55s ease forwards;
}
@keyframes welcomeFadeIn{ to{ opacity:.9; } }

/* DISCORD state — final invitation, shown after welcome fades */
.state-discord{
  opacity:0;
  pointer-events:none;
  text-align:center;
  align-items:center;
  justify-content:center;
  gap:0;
  transition:opacity .55s ease, filter .55s ease, transform .55s ease;
  filter:blur(8px);
  transform:scale(.95);
}
.state-discord.visible{
  opacity:1;
  pointer-events:auto;
  filter:blur(0);
  transform:scale(1);
}
.discord-frame{
  display:flex; flex-direction:column; align-items:center;
  gap:clamp(10px, 1.6vh, 18px);
  padding:0 6%;
  max-width:680px;
}
.discord-pre{
  font-family:var(--font-mono);
  font-size:clamp(11px, 1vw, 13px);
  letter-spacing:.32em;
  color:var(--green-soft);
  text-shadow:0 0 6px var(--green-glow);
  opacity:.85;
}
.discord-title{
  font-family:var(--font-display);
  font-size:clamp(36px, 5.4vw, 72px);
  font-weight:700;
  letter-spacing:.01em;
  line-height:1;
  color:var(--white-0);
  text-shadow:
    0 0 14px var(--green-glow),
    0 0 28px rgba(26,255,102,.3);
}
.discord-sub{
  font-family:var(--font-mono);
  font-size:clamp(13px, 1.1vw, 16px);
  color:rgba(207,213,208,.85);
  letter-spacing:.04em;
  line-height:1.5;
  max-width:520px;
}

.discord-btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-top:8px;
  padding:clamp(14px, 1.5vh, 20px) clamp(34px, 4vw, 56px);
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(16px, 1.4vw, 20px);
  letter-spacing:.16em;
  color:var(--green-1);
  text-decoration:none;
  text-shadow:0 0 8px var(--green-glow);
  background:linear-gradient(180deg, rgba(26,255,102,.16), rgba(26,255,102,.05));
  border:1.5px solid var(--green-1);
  border-radius:6px;
  box-shadow:
    inset 0 0 12px rgba(26,255,102,.18),
    0 0 24px rgba(26,255,102,.22),
    0 0 60px rgba(26,255,102,.08);
  isolation:isolate;
  overflow:hidden;
  transition:transform .15s ease, box-shadow .25s ease, color .25s ease;
  animation:btnPulse 2.4s ease-in-out infinite;
}
.discord-btn:hover{
  color:#fff;
  text-shadow:0 0 14px #fff, 0 0 20px var(--green-glow);
  box-shadow:
    inset 0 0 20px rgba(26,255,102,.35),
    0 0 40px rgba(26,255,102,.45),
    0 0 90px rgba(26,255,102,.18);
  transform:translateY(-1px);
}
.discord-btn:active{ transform:translateY(0); }
.discord-btn .btn-arrow{ font-family:var(--font-mono); font-weight:400; transition:transform .25s ease; }
.discord-btn:hover .btn-arrow{ transform:translateX(4px); }
.discord-ico{
  filter:drop-shadow(0 0 6px var(--green-glow));
  transition:transform .25s ease;
}
.discord-btn:hover .discord-ico{ transform:translateY(-1px) scale(1.05); }

.discord-hint{
  font-family:var(--font-mono);
  font-size:11px; letter-spacing:.28em;
  color:rgba(155,255,182,.45);
  margin-top:6px;
  animation:hintBlink 2.6s ease-in-out infinite;
}

/* Secondary back button — subtle, sits below the primary CTA */
.back-btn{
  margin-top:18px;
  display:inline-flex; align-items:center; gap:8px;
  padding:9px 22px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:rgba(155,255,182,.65);
  background:transparent;
  border:1px solid rgba(155,255,182,.3);
  border-radius:4px;
  transition:color .2s ease, border-color .2s ease, background .2s ease, transform .15s ease;
}
.back-btn:hover{
  color:#fff;
  border-color:var(--green-1);
  background:rgba(26,255,102,.08);
  text-shadow:0 0 8px var(--green-glow);
  transform:translateY(-1px);
}
.back-btn:active{ transform:translateY(0); }
.back-arrow{
  font-family:var(--font-display);
  font-size:18px;
  line-height:1;
  transform:translateX(0);
  transition:transform .2s ease;
}
.back-btn:hover .back-arrow{ transform:translateX(-3px); }

/* Scramble hides finalized text behind a placeholder — JS replaces .innerText */
.scramble{
  font-variant-ligatures:none;
}
.scramble.scrambling{
  color:var(--green-1) !important;
  text-shadow:0 0 8px var(--green-glow);
}

/* ============================================================
   CIPHER OVERLAY (decryption transition)
   ============================================================ */
.cipher-overlay{
  position:absolute; inset:0;
  z-index:9;
  pointer-events:none;
  font-family:var(--font-mono);
  color:var(--green-1);
  text-shadow:0 0 6px var(--green-glow);
  font-size:13px;
  line-height:1.2;
  padding:18px;
  white-space:pre-wrap;
  overflow:hidden;
  opacity:0;
  background:
    radial-gradient(ellipse at center, rgba(26,255,102,.15), transparent 60%),
    rgba(2,8,5,.7);
}
.cipher-overlay.active{ opacity:1; }

.cipher-overlay::after{
  content:"";
  position:absolute; left:0; right:0;
  height:6px;
  background:linear-gradient(180deg, transparent, var(--green-1), transparent);
  filter:blur(3px);
  opacity:.9;
  animation:cipherSweep 1.4s ease-in-out;
  top:0;
}
@keyframes cipherSweep{
  0%{ transform:translateY(0); opacity:0; }
  10%{ opacity:1; }
  100%{ transform:translateY(720px); opacity:0; }
}

/* ============================================================
   AMBIENT DRIFTING LIGHTS — sit behind the tablet, low z-index
   ============================================================ */
.ambient-lights{
  position:fixed; inset:0;
  z-index:1;
  pointer-events:none;
  overflow:hidden;
  mix-blend-mode:screen;
}

.alight{
  position:absolute;
  width:520px; height:520px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,
    rgba(26,255,102,.55) 0%,
    rgba(26,255,102,.22) 38%,
    rgba(26,255,102,0) 70%);
  filter:blur(70px);
  opacity:.28;
  will-change:transform, opacity;
}
.alight.red{
  background:radial-gradient(circle at 50% 50%,
    rgba(255,84,71,.55) 0%,
    rgba(255,84,71,.18) 38%,
    rgba(255,84,71,0) 70%);
  opacity:.18;
}

.al-1{
  top:-180px; left:-160px;
  width:640px; height:640px;
  animation:driftA 28s ease-in-out infinite;
}
.al-2{
  top:38%; right:-200px;
  width:580px; height:580px;
  animation:driftB 34s ease-in-out infinite;
  animation-delay:-8s;
}
.al-3{
  bottom:-180px; left:22%;
  width:520px; height:520px;
  animation:driftC 26s ease-in-out infinite;
  animation-delay:-14s;
}
.al-4{
  top:14%; left:34%;
  width:340px; height:340px;
  animation:driftD 38s ease-in-out infinite;
}
.al-5{
  bottom:8%; right:18%;
  width:420px; height:420px;
  animation:driftE 32s ease-in-out infinite;
  animation-delay:-6s;
}
.al-6{
  top:48%; left:8%;
  width:260px; height:260px;
  animation:driftF 42s ease-in-out infinite;
  animation-delay:-18s;
}

@keyframes driftA{
  0%,100%{ transform:translate(0,0) scale(1);    opacity:.22; }
  35%    { transform:translate(80px,40px) scale(1.08); opacity:.34; }
  70%    { transform:translate(-30px,90px) scale(.96); opacity:.18; }
}
@keyframes driftB{
  0%,100%{ transform:translate(0,0) scale(1);    opacity:.24; }
  40%    { transform:translate(-60px,-40px) scale(1.1); opacity:.36; }
  75%    { transform:translate(20px,60px) scale(.94);  opacity:.2; }
}
@keyframes driftC{
  0%,100%{ transform:translate(0,0) scale(1);    opacity:.2; }
  50%    { transform:translate(40px,-90px) scale(1.05); opacity:.32; }
}
@keyframes driftD{
  0%,100%{ transform:translate(0,0) scale(1);    opacity:.12; }
  50%    { transform:translate(-90px,30px) scale(1.15); opacity:.22; }
}
@keyframes driftE{
  0%,100%{ transform:translate(0,0) scale(1);    opacity:.22; }
  45%    { transform:translate(-40px,-50px) scale(1.07); opacity:.34; }
}
@keyframes driftF{
  0%,100%{ transform:translate(0,0) scale(1);    opacity:.1; }
  35%    { transform:translate(70px,40px) scale(1.18); opacity:.2; }
  70%    { transform:translate(-20px,90px) scale(.95); opacity:.13; }
}

/* Slow horizontal light sweep across the screen */
.light-sweep{
  position:absolute;
  top:48%;
  left:-30%;
  width:60vw; height:80px;
  background:linear-gradient(90deg,
    transparent 0%,
    rgba(26,255,102,.0) 10%,
    rgba(26,255,102,.18) 50%,
    rgba(26,255,102,.0) 90%,
    transparent 100%);
  filter:blur(40px);
  transform:translateY(-50%) skewX(-8deg);
  animation:sweepAcross 16s ease-in-out infinite;
  animation-delay:-4s;
}
@keyframes sweepAcross{
  0%,100%{ left:-40%; opacity:0; }
  20%    { opacity:.9; }
  60%    { opacity:.7; }
  100%   { left:120%; opacity:0; }
}

/* Tablet edge breathe — subtle green glow halo */
.pad{
  filter:drop-shadow(0 30px 60px rgba(0,0,0,.7))
         drop-shadow(0 0 60px rgba(26,255,102,.06));
  animation:padBreathe 6s ease-in-out infinite;
}
@keyframes padBreathe{
  0%,100%{
    filter:drop-shadow(0 30px 60px rgba(0,0,0,.7))
           drop-shadow(0 0 60px rgba(26,255,102,.05));
  }
  50%{
    filter:drop-shadow(0 30px 60px rgba(0,0,0,.7))
           drop-shadow(0 0 90px rgba(26,255,102,.18));
  }
}

@media (prefers-reduced-motion: reduce){
  .alight, .light-sweep, .pad{ animation:none !important; }
}

/* ============================================================
   MUTE BUTTON
   ============================================================ */
.mute-btn{
  position:fixed; top:18px; right:18px; z-index:70;
  width:42px; height:42px;
  display:grid; place-items:center;
  color:var(--green-1);
  background:rgba(5,12,8,.55);
  border:1px solid rgba(26,255,102,.35);
  border-radius:6px;
  backdrop-filter:blur(6px);
  filter:drop-shadow(0 0 6px var(--green-glow));
  transition:transform .2s ease, box-shadow .25s ease, color .25s ease, opacity .35s ease;
  opacity:0; pointer-events:none;
}
.mute-btn.visible{ opacity:1; pointer-events:auto; }
.mute-btn:hover{
  color:#fff;
  box-shadow:0 0 18px var(--green-glow), inset 0 0 8px rgba(26,255,102,.2);
  transform:translateY(-1px);
}
.mute-btn .ico-off{ display:none; }
.mute-btn[aria-pressed="true"] .ico-on{ display:none; }
.mute-btn[aria-pressed="true"] .ico-off{ display:block; }
.mute-btn[aria-pressed="true"]{
  color:rgba(155,255,182,.45);
  filter:none;
}

/* ============================================================
   TOAST
   ============================================================ */
.toast{
  position:fixed; left:50%; bottom:24px; transform:translate(-50%, 60px);
  z-index:60;
  background:rgba(5,12,8,.85);
  border:1px solid var(--green-1);
  color:var(--green-1);
  padding:10px 18px;
  font-family:var(--font-mono);
  font-size:12px; letter-spacing:.22em;
  text-shadow:0 0 6px var(--green-glow);
  box-shadow:0 0 24px rgba(26,255,102,.25), inset 0 0 12px rgba(26,255,102,.1);
  opacity:0; pointer-events:none;
  transition:opacity .4s ease, transform .4s ease;
  display:flex; gap:8px;
}
.toast .toast-bracket{ color:var(--green-soft); opacity:.6; }
.toast.show{ opacity:1; transform:translate(-50%, 0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 760px){
  .pad{ --pad-h: 92vh; }
  .pad.no-frame-img{ border-radius:18px; }
  .screen{ padding:14px; }
  .c-tl, .c-tr, .c-bl, .c-br{ width:30px; height:30px; }
  .pad-tag{ font-size:10px; top:8px; right:12px; }
  .m-articles{ grid-template-columns:1fr; gap:10px; }
  .m-header{ flex-direction:row; }
  .m-title{ font-size:clamp(24px, 6.5vw, 38px); }
  .m-subtitle{ font-size:11px; margin-top:8px; }
  .m-sigil{ height:clamp(56px, 13vw, 84px); }
  .m-art h3{ font-size:14px; }
  .m-art p{ font-size:12.5px; line-height:1.4; }
  .m-preface{ font-size:12px; }
  .lock-meta{ font-size:10px; gap:10px; }
  .unlock-btn, .accept-btn{ font-size:15px; padding:12px 32px; }
  .state-unlocked{ padding:16px; gap:12px; }
}

@media (max-height: 700px){
  .m-title{ font-size:clamp(24px, 3.6vw, 40px); }
  .m-subtitle{ margin-top:6px; }
  .m-sigil{ height:clamp(60px, 9vh, 100px); }
  .m-art h3{ font-size:14px; margin-bottom:4px; }
  .m-art p{ font-size:12.5px; line-height:1.35; }
  .m-preface{ font-size:12px; }
  .unlock-btn, .accept-btn{ padding:11px 36px; font-size:15px; }
  .lock-rings{ width:90px; height:90px; }
  .locked-title{ font-size:clamp(22px, 3.5vw, 38px); }
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}