/* ══════════════════════════════════════
   TOKENS
══════════════════════════════════════ */
:root {
  --ease: cubic-bezier(.22,1,.36,1);
  --r: 14px; --r-sm: 9px;
  --nh: 58px;
}

[data-theme="dark"] {
  --bg:        #0a0712;
  --bg2:       #100d1a;
  --grid:      rgba(160,120,255,0.055);
  --card:      #140f20;
  --card-b:    rgba(255,255,255,0.08);
  --card-bh:   rgba(99,102,241,0.45);
  --nav-bg:    rgba(10,7,18,0.94);
  --tx:        #f0ecff;
  --tx2:       rgba(210,200,255,0.55);
  --tx3:       rgba(210,200,255,0.42);
  --ac:        #6366f1;
  --ac-lt:     #a5b4fc;
  --ac-dim:    rgba(99,102,241,0.12);
  --ac-gl:     rgba(99,102,241,0.3);
  --btn:       #5b5bd6;
  --green:     #34d399;
  --green-dim: rgba(52,211,153,0.1);
  --green-gl:  rgba(52,211,153,0.22);
  --warn:      #fbbf24;
  --warn-dim:  rgba(251,191,36,0.1);
  --step-bg:   rgba(99,102,241,0.1);
  --code-bg:   rgba(99,102,241,0.1);
}

[data-theme="light"] {
  --bg:        #f5f3ff;
  --bg2:       #ede9fe;
  --grid:      rgba(109,40,217,0.055);
  --card:      #ffffff;
  --card-b:    rgba(109,40,217,0.1);
  --card-bh:   rgba(99,102,241,0.4);
  --nav-bg:    rgba(245,243,255,0.96);
  --tx:        #1e1040;
  --tx2:       rgba(30,16,64,0.7);
  --tx3:       rgba(30,16,64,0.35);
  --ac:        #4f46e5;
  --ac-lt:     #6366f1;
  --ac-dim:    rgba(79,70,229,0.09);
  --ac-gl:     rgba(79,70,229,0.22);
  --btn:       #4f46e5;
  --green:     #059669;
  --green-dim: rgba(5,150,105,0.08);
  --green-gl:  rgba(5,150,105,0.18);
  --warn:      #d97706;
  --warn-dim:  rgba(217,119,6,0.08);
  --step-bg:   rgba(79,70,229,0.08);
  --code-bg:   rgba(79,70,229,0.07);
}

/* ══ RESET ══ */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body {
  font-family:'Manrope',sans-serif;
  background:var(--bg); color:var(--tx);
  min-height:100vh; overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  transition:background .3s,color .3s;
  font-size:15px; line-height:1.6;
}
a { color:inherit; text-decoration:none; }
button { cursor:pointer; border:none; background:none; font:inherit; color:inherit; }
img,video { max-width:100%; display:block; }

/* ══ BG GRID ══ */
.grid-bg {
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:48px 48px;
}
.grid-bg::after {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse 85% 75% at 50% 35%,transparent 10%,var(--bg) 100%);
}

/* ══ NAV ══ */
nav {
  position:fixed; top:0; inset-inline:0; z-index:200;
  height:var(--nh); padding:0 20px;
  display:flex; align-items:center; gap:12px;
  background:var(--nav-bg);
  backdrop-filter:blur(20px) saturate(1.5);
  border-bottom:1px solid var(--card-b);
  transition:transform .35s var(--ease), background .3s;
}
nav.nav-hidden { transform:translateY(-100%); }
.nav-logo {
  font-family:'Exo 2',sans-serif; font-weight:700; font-size:1.05rem;
  display:flex; align-items:center; gap:7px; letter-spacing:-.02em; flex-shrink:0;
}
.nl { color:var(--ac-lt); }
.nv { color:var(--tx); }

.nav-links {
  display:flex; align-items:center; gap:2px; flex:1; justify-content:center;
}
.nav-link {
  padding:6px 13px; border-radius:20px; font-size:.8rem; font-weight:600;
  color:var(--tx2); transition:color .2s,background .2s; white-space:nowrap;
}
.nav-link:hover { color:var(--tx); background:var(--ac-dim); }
.nav-link.active { color:var(--ac-lt); background:var(--ac-dim); }

.nav-right { display:flex; align-items:center; gap:8px; flex-shrink:0; margin-left:auto; }

.btn-pill {
  display:inline-flex; align-items:center; gap:6px;
  padding:7px 14px; border-radius:20px;
  font-size:.79rem; font-weight:600; white-space:nowrap;
  transition:background .2s;
}
.btn-pill.ac {
  background:var(--btn); color:#fff;
  box-shadow:0 3px 14px var(--ac-gl);
  animation:btn-pulse 3.5s ease-in-out infinite;
}
.btn-pill.ac:hover { opacity:.95; animation:none; transform:translateY(-1px); box-shadow:0 5px 22px var(--ac-gl); }
@keyframes btn-pulse {
  0%,100%{ box-shadow:0 3px 14px var(--ac-gl); }
  50%    { box-shadow:0 4px 18px rgba(99,102,241,.38); }
}
.btn-pill.ghost { background:var(--ac-dim); border:1px solid rgba(99,102,241,.22); color:var(--ac-lt); }
.btn-pill.ghost:hover { background:rgba(99,102,241,.2); }

.ttog {
  width:42px; height:23px; border-radius:12px; flex-shrink:0;
  background:var(--card); border:1px solid var(--card-b); position:relative;
}
.ttog::after {
  content:''; position:absolute; width:17px; height:17px; border-radius:50%;
  top:2px; left:2px;
  background:var(--ac-lt);
  transition:transform .3s var(--ease);
}
[data-theme="light"] .ttog::after { transform:translateX(19px); }

.hbg {
  display:none; width:38px; height:38px; border-radius:10px;
  background:var(--ac-dim); border:1px solid rgba(99,102,241,.3);
  align-items:center; justify-content:center; flex-direction:column; gap:5px;
  transition:background .2s, border-color .2s, box-shadow .2s;
  animation:hbg-pulse 1.8s ease-in-out infinite;
}
.hbg:hover, .hbg.open {
  animation:none;
  background:rgba(99,102,241,.25); border-color:var(--ac);
  box-shadow:0 0 20px rgba(99,102,241,.45);
}
@keyframes hbg-pulse {
  0%,100%{ box-shadow:0 0 0 0 rgba(99,102,241,0); border-color:rgba(99,102,241,.3); }
  40%    { box-shadow:0 0 0 5px rgba(99,102,241,.18), 0 0 18px rgba(99,102,241,.3); border-color:rgba(99,102,241,.7); }
  60%    { box-shadow:0 0 0 8px rgba(99,102,241,.06), 0 0 22px rgba(99,102,241,.2); border-color:rgba(99,102,241,.5); }
}
.hbg span {
  display:block; border-radius:2px;
  background:var(--ac-lt);
  transition:all .3s var(--ease);
}
.hbg span:nth-child(1) { width:16px; height:1.5px; }
.hbg span:nth-child(2) { width:11px; height:1.5px; align-self:flex-start; margin-left:2px; }
.hbg span:nth-child(3) { width:16px; height:1.5px; }
.hbg.open span:nth-child(1) { transform:translateY(6.5px) rotate(45deg); width:16px; }
.hbg.open span:nth-child(2) { opacity:0; transform:scaleX(0); }
.hbg.open span:nth-child(3) { transform:translateY(-6.5px) rotate(-45deg); width:16px; }

/* ══ MOBILE NAV DRAWER ══ */
.mob-drawer {
  display:none; position:fixed; top:var(--nh); left:0; right:0;
  background:var(--nav-bg); backdrop-filter:blur(20px);
  border-bottom:1px solid var(--card-b);
  padding:10px 16px 16px; z-index:190;
  flex-direction:column; gap:4px;
}
.mob-drawer.open { display:flex; }
.mob-drawer .nav-link { text-align:left; border-radius:var(--r-sm); padding:10px 14px; font-size:.88rem; }
.mob-ov { display:none; position:fixed; inset:0; z-index:180; }
.mob-ov.show { display:block; }

/* ══ LAYOUT ══ */
.z1 { position:relative; z-index:1; }
.wrap { max-width:700px; margin:0 auto; padding:0 18px; }
.page-body { padding-top:calc(var(--nh) + 36px); padding-bottom:80px; }

/* ══ PAGE HEADER ══ */
.ph { margin-bottom:28px; }
.ph-tag {
  display:inline-flex; align-items:center; gap:6px;
  font-size:.68rem; font-weight:700; letter-spacing:.09em; text-transform:uppercase;
  color:var(--ac-lt); background:var(--ac-dim); border:1px solid rgba(99,102,241,.2);
  padding:4px 11px; border-radius:20px; margin-bottom:10px;
}
.ph h1 {
  font-family:'Exo 2',sans-serif; font-weight:700;
  font-size:clamp(1.6rem,4.5vw,2.2rem);
  letter-spacing:-.025em; line-height:1.15;
  margin-bottom:8px; color:var(--tx);
}
.ph h1 em { font-style:normal; color:var(--ac-lt); }
.ph-lead { font-size:.9rem; color:var(--tx2); line-height:1.7; }

/* ══ STEP BLOCK ══ */
.step-block {
  background:var(--card); border:1px solid var(--card-b);
  border-radius:var(--r); padding:18px 18px;
  margin-bottom:8px; display:flex; gap:14px; align-items:flex-start;
  transition:border-color .2s;
}
.step-block:hover { border-color:var(--card-bh); }
.step-n {
  width:32px; height:32px; border-radius:50%; flex-shrink:0;
  background:var(--step-bg); border:1.5px solid var(--ac);
  display:flex; align-items:center; justify-content:center;
  font-family:'Exo 2',sans-serif; font-weight:700; font-size:.82rem; color:var(--ac-lt);
}
.step-bd { flex:1; min-width:0; }
.step-title { font-weight:700; font-size:.91rem; color:var(--tx); margin-bottom:5px; }
.step-text { font-size:.85rem; color:var(--tx2); line-height:1.65; }
.step-text strong { color:var(--tx); font-weight:600; }

/* ══ MEDIA SLOT ══ */
.media-slot {
  margin-top:12px; border-radius:var(--r-sm); overflow:hidden;
  background:var(--bg2); border:1.5px dashed var(--card-b);
}
.media-slot img,
.media-slot video { width:100%; display:block; border-radius:var(--r-sm); }
.media-slot-label {
  padding:20px; text-align:center; font-size:.78rem; color:var(--tx3);
  display:flex; align-items:center; justify-content:center; gap:8px; flex-direction:column;
}
.media-slot-label span { opacity:.6; font-size:1.4rem; }

/* ══ CARD GRID ══ */
.cg { display:grid; gap:8px; margin-bottom:8px; }
.cg-2 { grid-template-columns:1fr 1fr; }
.c-card {
  background:var(--card); border:1px solid var(--card-b);
  border-radius:var(--r); padding:15px 16px;
  transition:border-color .2s, transform .18s;
}
.c-card:hover { border-color:var(--card-bh); }
.c-card.link { cursor:pointer; }
.c-card.link:hover { transform:translateY(-1px); }
.c-ico { font-size:1.35rem; margin-bottom:6px; }
.c-title { font-weight:700; font-size:.87rem; color:var(--tx); margin-bottom:3px; }
.c-desc { font-size:.79rem; color:var(--tx2); line-height:1.55; }

/* ══ INFO BOXES ══ */
.ib {
  display:flex; gap:10px; align-items:flex-start;
  padding:11px 14px; border-radius:var(--r-sm);
  margin-bottom:8px; font-size:.84rem; line-height:1.65; color:var(--tx2);
}
.ib.note { background:var(--ac-dim); border:1px solid rgba(99,102,241,.22); }
.ib.tip  { background:var(--green-dim); border:1px solid rgba(52,211,153,.22); }
.ib.warn { background:var(--warn-dim); border:1px solid rgba(251,191,36,.22); }
.ib-ico  { flex-shrink:0; margin-top:1px; }
.ib strong { color:var(--tx); font-weight:600; }
.ib a { color:var(--ac-lt); font-weight:600; }
.ib code {
  font-family:'Courier New',monospace; font-size:.8em;
  background:var(--code-bg); padding:1px 6px; border-radius:4px; color:var(--ac-lt);
}

/* ══ BOT BUTTON DEMO ══ */
.bdw { display:flex; flex-wrap:wrap; gap:6px; margin:8px 0; }
.bd {
  display:inline-flex; align-items:center; gap:6px;
  padding:6px 13px; border-radius:20px;
  background:var(--bg2); border:1px solid var(--card-b);
  font-size:.8rem; font-weight:600; color:var(--tx2); pointer-events:none;
}

/* ══ BUTTONS ══ */
.btn {
  display:inline-flex; align-items:center; gap:7px;
  padding:10px 20px; border-radius:100px;
  font-family:'Manrope',sans-serif; font-weight:700; font-size:.83rem;
  transition:opacity .2s, transform .15s;
}
.btn.primary { background:var(--btn); color:#fff; box-shadow:0 4px 18px var(--ac-gl); }
.btn.primary:hover { opacity:.88; transform:translateY(-1px); }
.btn.ghost { background:var(--ac-dim); border:1px solid rgba(99,102,241,.22); color:var(--ac-lt); }
.btn.ghost:hover { background:rgba(99,102,241,.2); }
.btn.green { background:var(--green); color:#fff; box-shadow:0 4px 18px var(--green-gl); }
.btn.green:hover { opacity:.88; transform:translateY(-1px); }

/* copy sm */
.btn-copy-sm {
  display:flex; align-items:center; justify-content:center;
  width:32px; height:32px; border-radius:var(--r-sm);
  background:var(--bg2); border:1px solid var(--card-b);
  color:var(--tx3); flex-shrink:0;
  transition:background .2s,color .2s,border-color .2s;
}
.btn-copy-sm:hover { background:var(--ac-dim); color:var(--ac-lt); border-color:rgba(99,102,241,.3); }
.btn-copy-sm svg { width:13px; height:13px; pointer-events:none; }

/* copy link */
.btn-copy-link {
  display:flex; align-items:center; justify-content:center; gap:7px;
  width:100%; margin-top:10px; padding:8px;
  border-radius:var(--r-sm); background:var(--ac-dim);
  border:1px solid rgba(99,102,241,.2);
  color:var(--ac-lt); font-size:.79rem; font-weight:600;
  transition:background .2s;
}
.btn-copy-link:hover { background:rgba(99,102,241,.2); }

/* ══ ACCORDION ══ */
.acc-btn {
  width:100%; display:flex; align-items:center; justify-content:space-between;
  gap:12px; padding:15px 18px;
  font-weight:600; font-size:.87rem; color:var(--tx); text-align:left;
  transition:color .2s;
}
.acc-btn:hover,.acc-btn.open { color:var(--ac-lt); }
.acc-chev { flex-shrink:0; color:var(--tx3); transition:transform .3s var(--ease); }
.acc-btn.open .acc-chev { transform:rotate(180deg); color:var(--ac-lt); }
.acc-body { max-height:0; overflow:hidden; transition:max-height .4s var(--ease),opacity .3s; opacity:0; }
.acc-body.open { max-height:800px; opacity:1; }
.acc-inner { padding:0 18px 16px; border-top:1px solid var(--card-b); padding-top:12px; }
.acc-inner p { font-size:.85rem; color:var(--tx2); line-height:1.7; margin-bottom:8px; }
.acc-inner p:last-child { margin-bottom:0; }
.acc-inner strong { color:var(--tx); font-weight:600; }

/* FAQ item */
.faq-item {
  background:var(--card); border:1px solid var(--card-b);
  border-radius:var(--r); margin-bottom:8px; overflow:hidden;
  transition:border-color .2s;
}
.faq-item:hover { border-color:var(--card-bh); }

/* ══ SECTION ══ */
.sdiv {
  height:1px;
  background:linear-gradient(90deg,transparent,var(--card-b) 30%,var(--card-b) 70%,transparent);
  margin:24px 0;
}
.sh {
  font-family:'Exo 2',sans-serif; font-weight:700;
  font-size:1rem; margin-bottom:12px; margin-top:24px;
  color:var(--tx); letter-spacing:-.015em;
}

/* ══ BADGE ══ */
.status-badge {
  display:inline-flex; align-items:center; gap:7px;
  padding:5px 14px; border-radius:100px;
  border:1px solid rgba(99,102,241,.25); background:var(--ac-dim);
  font-size:.72rem; font-weight:700; color:var(--ac-lt); letter-spacing:.02em;
}
.badge-dot {
  width:7px; height:7px; border-radius:50%; background:var(--green); flex-shrink:0;
  animation:gpulse 2s ease-in-out infinite;
}
@keyframes gpulse {
  0%  { box-shadow:0 0 0 0 rgba(52,211,153,.55); }
  60% { box-shadow:0 0 0 6px rgba(52,211,153,0); }
  100%{ box-shadow:0 0 0 0 rgba(52,211,153,0); }
}

/* ══ FOOTER ══ */
footer {
  position:relative; z-index:1;
  padding:20px 20px; border-top:1px solid var(--card-b);
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px;
}
.fc { font-size:.74rem; color:var(--tx3); }
.fl { font-size:.74rem; color:var(--tx3); transition:color .2s; }
.fl:hover { color:var(--ac-lt); }
.foot-links { display:flex; gap:16px; }

/* ══ TOAST ══ */
.toast {
  position:fixed; bottom:22px; left:50%;
  transform:translateX(-50%) translateY(50px);
  background:var(--ac); color:#fff;
  padding:8px 18px; border-radius:100px;
  font-size:.82rem; font-weight:700;
  opacity:0; pointer-events:none; z-index:500;
  transition:transform .4s var(--ease),opacity .3s;
  white-space:nowrap; box-shadow:0 4px 22px var(--ac-gl);
}
.toast.show { transform:translateX(-50%) translateY(0); opacity:1; }

/* ══ ANIMS ══ */
@keyframes up { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:translateY(0)} }
.a1{opacity:0;animation:up .5s var(--ease) .1s forwards}
.a2{opacity:0;animation:up .6s var(--ease) .2s forwards}
.a3{opacity:0;animation:up .6s var(--ease) .3s forwards}
.a4{opacity:0;animation:up .7s var(--ease) .4s forwards}
.a5{opacity:0;animation:up .7s var(--ease) .5s forwards}

/* ══ PREV/NEXT ══ */
.pn-nav { display:flex; gap:8px; margin-top:32px; padding-top:20px; border-top:1px solid var(--card-b); }
.pn-btn {
  flex:1; display:flex; align-items:center; gap:10px;
  padding:12px 14px; border-radius:var(--r);
  background:var(--card); border:1px solid var(--card-b);
  transition:border-color .2s; cursor:pointer; text-align:left;
}
.pn-btn:hover { border-color:var(--card-bh); }
.pn-btn.nxt { flex-direction:row-reverse; text-align:right; }
.pn-arrow { font-size:1rem; flex-shrink:0; color:var(--ac-lt); }
.pn-meta { flex:1; min-width:0; }
.pn-lbl { font-size:.67rem; color:var(--tx3); font-weight:500; margin-bottom:1px; }
.pn-title { font-size:.82rem; font-weight:700; color:var(--tx); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

/* ══ MOBILE ══ */
@media(max-width:640px) {
  nav { padding:0 14px; }
  .nav-links { display:none; }
  .hbg { display:flex; }
  .cg-2 { grid-template-columns:1fr 1fr; }
  .wrap { padding:0 14px; }
}
@media(max-width:400px) {
  .ph h1 { font-size:1.5rem; }
  .cg-2 { grid-template-columns:1fr; }
}