/* ============================================================
   AI Buddy - landing page
   Committed dark cinematic theme (deliberate single visual world).
   Accent lock: brand gradient violet #7D37FF -> purple #A85EE1 -> pink #E091BB.
   Semantic mint #3DE0B0 used ONLY for "correct" marks in the demo.
   Shape rule: cards 24px, inputs 14px, buttons/chips pill.
   ============================================================ */
:root{
  /* theme-agnostic brand + scale */
  --violet:#7D37FF; --purple:#A85EE1; --pink:#E091BB; --indigo:#1E1B4B;
  --grad:linear-gradient(120deg,#7D37FF 0%,#A85EE1 52%,#E091BB 100%);
  --r-card:24px; --r-in:14px; --pill:999px; --maxw:1200px;
  --font-d:"Jost",system-ui,sans-serif;
  --font-b:"DM Sans",system-ui,sans-serif;

  /* ===== LIGHT theme (default) ===== */
  --ink:#FBF9FF; --ink-2:#F2EEFC; --card:#FFFFFF; --card-2:#FFFFFF;
  --text:#1C1740; --dim:#544D77; --mute:#6E6890;
  --line:rgba(28,20,70,.12); --line-2:rgba(28,20,70,.20);
  --glass:rgba(125,55,255,.05); --glass-2:rgba(125,55,255,.09);
  --mint:#0FA877;
  --grad-text:linear-gradient(120deg,#6A24DE,#B4368C);
  --grad-soft:linear-gradient(120deg,rgba(125,55,255,.16),rgba(224,145,187,.12));
  --nav-bg:rgba(255,255,255,.72); --nav-bg-scr:rgba(255,255,255,.9); --nav-solid:rgba(255,255,255,.98);
  --board-bg:linear-gradient(180deg,#ffffff,#f6f2ff);
  --cam-bg:linear-gradient(160deg,#ece4ff,#f7f3ff);
  --track:rgba(28,20,70,.1);
  --field-bg:#ffffff;
  --aura-op:.4; --noise-op:.02;
  --shadow:0 24px 60px -28px rgba(45,24,100,.26);
  --glow:0 18px 50px -18px rgba(125,55,255,.4);
}
/* dark tokens shared by system-dark (unless forced light) and explicit toggle */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ink:#0A0918; --ink-2:#0E0C22; --card:#151233; --card-2:#1B1740;
    --text:#F4F2FF; --dim:#B7B2D8; --mute:#847FA8;
    --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.15);
    --glass:rgba(255,255,255,.035); --glass-2:rgba(255,255,255,.06);
    --mint:#3DE0B0;
    --grad-text:linear-gradient(120deg,#9A63FF,#E091BB);
    --grad-soft:linear-gradient(120deg,rgba(125,55,255,.22),rgba(224,145,187,.16));
    --nav-bg:rgba(10,9,24,.62); --nav-bg-scr:rgba(10,9,24,.82); --nav-solid:rgba(10,9,24,.96);
    --board-bg:linear-gradient(180deg,#17143c,#120f2e);
    --cam-bg:linear-gradient(160deg,#241d55,#160f38);
    --track:rgba(255,255,255,.08);
    --field-bg:#0A0918;
    --aura-op:.5; --noise-op:.035;
    --shadow:0 30px 80px -30px rgba(0,0,0,.7);
    --glow:0 20px 60px -18px rgba(125,55,255,.55);
  }
}
:root[data-theme="dark"]{
  --ink:#0A0918; --ink-2:#0E0C22; --card:#151233; --card-2:#1B1740;
  --text:#F4F2FF; --dim:#B7B2D8; --mute:#847FA8;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.15);
  --glass:rgba(255,255,255,.035); --glass-2:rgba(255,255,255,.06);
  --mint:#3DE0B0;
  --grad-text:linear-gradient(120deg,#9A63FF,#E091BB);
  --grad-soft:linear-gradient(120deg,rgba(125,55,255,.22),rgba(224,145,187,.16));
  --nav-bg:rgba(10,9,24,.62); --nav-bg-scr:rgba(10,9,24,.82); --nav-solid:rgba(10,9,24,.96);
  --board-bg:linear-gradient(180deg,#17143c,#120f2e);
  --cam-bg:linear-gradient(160deg,#241d55,#160f38);
  --track:rgba(255,255,255,.08);
  --field-bg:#0A0918;
  --aura-op:.5; --noise-op:.035;
  --shadow:0 30px 80px -30px rgba(0,0,0,.7);
  --glow:0 20px 60px -18px rgba(125,55,255,.55);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);
  font-family:var(--font-b);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;}
#app[dir="rtl"]{font-family:"Noto Sans Arabic",var(--font-b);}
#app.lang-hi{font-family:"Noto Sans Devanagari",var(--font-b);}
img{max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3{font-family:var(--font-d);font-weight:600;line-height:1.05;letter-spacing:-.02em;text-wrap:balance;margin:0}
p{margin:0}
::selection{background:rgba(168,94,225,.4);color:#fff}
:focus-visible{outline:2px solid var(--purple);outline-offset:3px;border-radius:6px}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
.eyebrow{font-family:var(--font-b);font-weight:700;font-size:12.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--purple)}
.lead{color:var(--dim);font-size:clamp(16px,1.4vw,18px);max-width:62ch}
.section{padding-block:clamp(72px,10vw,132px)}
.section-head{max-width:60ch}
.section-head h2{font-size:clamp(30px,4.4vw,52px)}
.section-head .lead{margin-top:18px}

/* ---------- background atmosphere ---------- */
.aura{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.aura b{position:absolute;border-radius:50%;filter:blur(90px);opacity:var(--aura-op)}
.aura .a1{width:620px;height:620px;left:-160px;top:-180px;background:radial-gradient(circle,rgba(125,55,255,.55),transparent 70%)}
.aura .a2{width:560px;height:560px;right:-160px;top:180px;background:radial-gradient(circle,rgba(224,145,187,.34),transparent 70%)}
.aura .a3{width:680px;height:680px;left:30%;top:1400px;background:radial-gradient(circle,rgba(60,224,176,.14),transparent 70%)}
.grid-lines{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(circle at 50% 12%,#000,transparent 62%);opacity:.35}
.noise{position:fixed;inset:0;z-index:60;pointer-events:none;opacity:var(--noise-op);mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;border:0;cursor:pointer;
  font-weight:700;font-size:15px;padding:14px 22px;border-radius:var(--pill);
  transition:transform .18s cubic-bezier(.16,1,.3,1),box-shadow .25s,background .25s;white-space:nowrap}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 26px 70px -16px rgba(125,55,255,.7)}
.btn-ghost{background:var(--glass-2);color:var(--text);border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--violet);transform:translateY(-2px)}
.btn-lg{padding:17px 30px;font-size:16px}
.btn svg{width:18px;height:18px;flex:none}

/* ---------- nav ---------- */
header.nav{position:sticky;top:0;z-index:50;
  backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);
  background:var(--nav-bg);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
header.nav.scrolled{border-color:var(--line);background:var(--nav-bg-scr)}
.nav-in{display:flex;align-items:center;gap:22px;height:70px}
.brand{display:flex;align-items:center;gap:0;flex:none}
.brand svg{height:30px;width:auto;display:block;color:var(--text)}
.nav-links{display:flex;gap:6px;margin-inline-start:14px}
.nav-links a{color:var(--dim);font-weight:500;font-size:14.5px;padding:9px 13px;border-radius:var(--pill);transition:color .2s,background .2s}
.nav-links a:hover{color:var(--text);background:var(--glass)}
.nav-right{margin-inline-start:auto;display:flex;align-items:center;gap:12px}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:7px;background:var(--glass);border:1px solid var(--line);
  color:var(--dim);border-radius:var(--pill);padding:8px 13px;font-size:13.5px;font-weight:600;cursor:pointer}
.lang-btn:hover{color:var(--text)}
.lang-menu{position:absolute;top:calc(100% + 8px);inset-inline-end:0;background:var(--card);border:1px solid var(--line-2);
  border-radius:16px;padding:6px;min-width:150px;box-shadow:var(--shadow);display:none}
.lang-menu.open{display:block}
.lang-menu button{display:flex;width:100%;gap:10px;align-items:center;background:none;border:0;color:var(--dim);
  padding:10px 12px;border-radius:10px;cursor:pointer;font-size:14px;text-align:start}
.lang-menu button:hover{background:var(--glass-2);color:var(--text)}
.nav-cta{display:inline-flex}
.menu-toggle{display:none;background:var(--glass);border:1px solid var(--line);color:var(--text);
  width:42px;height:42px;border-radius:12px;cursor:pointer;align-items:center;justify-content:center}
.menu-toggle svg{width:20px;height:20px}
.theme-toggle{display:inline-grid;place-items:center;width:40px;height:40px;background:var(--glass);
  border:1px solid var(--line);color:var(--dim);border-radius:var(--pill);cursor:pointer;flex:none;
  transition:color .2s,background .2s}
.theme-toggle:hover{color:var(--text);background:var(--glass-2)}
.theme-toggle svg{width:19px;height:19px}
.theme-toggle .ic-sun{display:none}
:root[data-theme="dark"] .theme-toggle .ic-sun{display:block}
:root[data-theme="dark"] .theme-toggle .ic-moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-toggle .ic-sun{display:block}
  :root:not([data-theme="light"]) .theme-toggle .ic-moon{display:none}
}
.mobile-panel{display:none}

/* ---------- hero ---------- */
.hero{position:relative;padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(48px,7vw,96px)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(30px,4vw,64px);align-items:center}
.hero-pill{display:inline-flex;align-items:center;gap:9px;background:var(--glass);border:1px solid var(--line-2);
  border-radius:var(--pill);padding:7px 14px 7px 8px;font-size:13px;font-weight:600;color:var(--dim)}
.hero-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(61,224,176,.18);flex:none}
.hero h1{font-size:clamp(38px,5.6vw,72px);margin-top:22px;font-weight:700}
.hero h1 .g{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:22px;font-size:clamp(17px,1.5vw,19.5px);max-width:52ch}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-trust{display:flex;gap:22px;margin-top:30px;flex-wrap:wrap;color:var(--mute);font-size:13.5px;font-weight:600}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust svg{width:16px;height:16px;color:var(--purple)}

/* ---------- whiteboard demo ---------- */
.board-wrap{position:relative}
.board-wrap .halo{position:absolute;inset:-40px -20px;background:var(--grad-soft);filter:blur(50px);z-index:-1;border-radius:40px;opacity:.9}
.board{background:var(--board-bg);border:1px solid var(--line-2);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;position:relative}
.board-top{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);
  background:var(--glass)}
.board-tab{font-family:var(--font-d);font-weight:600;font-size:15px}
.board-tab .k{color:var(--mute);font-weight:500;font-size:12.5px;display:block;letter-spacing:.04em}
.live{margin-inline-start:auto;display:inline-flex;align-items:center;gap:9px;color:var(--dim);font-size:12.5px;font-weight:600}
.wave{display:inline-flex;align-items:flex-end;gap:3px;height:16px}
.wave i{width:3px;background:var(--grad);border-radius:2px;height:6px;animation:wv 1s ease-in-out infinite}
.wave i:nth-child(2){animation-delay:.15s}.wave i:nth-child(3){animation-delay:.3s}
.wave i:nth-child(4){animation-delay:.45s}.wave i:nth-child(5){animation-delay:.6s}
@keyframes wv{0%,100%{height:5px}50%{height:16px}}
.board-body{padding:26px 26px 22px;min-height:340px;position:relative}
.board-body .step{font-family:var(--font-d);font-size:clamp(18px,2vw,23px);color:var(--text);margin-bottom:16px;
  display:flex;align-items:center;gap:12px;letter-spacing:.01em}
.board-body .step .lbl{font-family:var(--font-b);font-size:12px;font-weight:700;color:var(--mute);
  border:1px solid var(--line-2);border-radius:var(--pill);padding:3px 10px;letter-spacing:.05em}
.eq{font-variant-numeric:tabular-nums}
.tick{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;
  background:rgba(61,224,176,.15);color:var(--mint);font-size:15px;border:1px solid rgba(61,224,176,.4)}
.board-diagram{display:flex;align-items:center;gap:18px;margin-top:6px}
.board-diagram svg{flex:none}
.tutor-say{margin-top:18px;background:var(--glass);border:1px solid var(--line);border-radius:16px;
  padding:12px 15px;color:var(--dim);font-size:14.5px;display:flex;gap:10px;align-items:flex-start}
.tutor-say .av{width:30px;height:30px;border-radius:9px;background:var(--grad);flex:none;display:grid;place-items:center;
  color:#fff;font-weight:700;font-family:var(--font-d);font-size:14px}

/* motion states for board (enhancement only; visible at rest by default) */
.anim .b-item{opacity:0;transform:translateY(10px)}
.anim .b-item.show{opacity:1;transform:none;transition:opacity .5s ease,transform .5s cubic-bezier(.16,1,.3,1)}
.anim .curve{stroke-dasharray:1;stroke-dashoffset:1}
.anim .curve.show{animation:draw 1.1s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* ---------- hero video PiP tile (presenter on camera) ---------- */
.pip{position:absolute;top:64px;inset-inline-end:16px;width:130px;border-radius:16px;overflow:hidden;z-index:3;
  border:1px solid var(--line-2);background:var(--card);box-shadow:0 16px 34px -14px rgba(20,10,50,.5)}
.pip .cam2{position:relative;height:92px;overflow:hidden;background:var(--cam-bg)}
.pip .avatar{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:cover;object-position:50% 24%}
.pip .on-air{position:absolute;top:7px;inset-inline-start:7px;display:inline-flex;align-items:center;gap:5px;
  background:rgba(8,6,20,.55);color:#fff;font-size:9px;font-weight:800;letter-spacing:.08em;padding:3px 7px;border-radius:var(--pill)}
.pip .on-air i{width:6px;height:6px;border-radius:50%;background:#ff5d6c;animation:blink 1.5s infinite}
@keyframes blink{50%{opacity:.25}}
.pip .ring-glow{position:absolute;inset:0;box-shadow:inset 0 0 0 2px rgba(125,55,255,0);pointer-events:none;
  animation:airglow 2.4s ease-in-out infinite}
@keyframes airglow{50%{box-shadow:inset 0 0 0 2px rgba(125,55,255,.55)}}
.pip .name{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;
  background:var(--card);border-top:1px solid var(--line)}
.pip .name b{font-family:var(--font-d);font-weight:600;font-size:13px;color:var(--text)}
.pip .name .wave{height:13px}
.pip .name .wave i{width:2.5px}
.pip .mouth{transform-box:fill-box;transform-origin:center;animation:talk 2.6s ease-in-out infinite}
@keyframes talk{0%,18%,100%{transform:scaleY(1)}9%{transform:scaleY(.55)}38%{transform:scaleY(1.5)}60%{transform:scaleY(.75)}82%{transform:scaleY(1.25)}}

/* ---------- logo strip / trust band ---------- */
.band{border-block:1px solid var(--line);background:var(--ink-2)}
.band-in{display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;justify-content:center;padding-block:26px;
  color:var(--dim);font-weight:600;font-size:14.5px;text-align:center}
.band-in .t{color:var(--mute);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:12px}
.band-in .chip{display:inline-flex;align-items:center;gap:9px}
.band-in .chip svg{width:18px;height:18px;color:var(--purple)}

/* ---------- how it teaches ---------- */
.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px;position:relative}
.how-step{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;position:relative;overflow:hidden}
.how-step:hover{border-color:var(--line-2)}
.how-num{font-family:var(--font-d);font-size:15px;font-weight:600;color:var(--purple)}
.how-ic{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--violet),var(--pink));border:0;
  display:grid;place-items:center;margin:14px 0 18px;box-shadow:var(--glow)}
.how-ic svg{width:26px;height:26px;color:#fff}
.how-step h3{font-size:22px;margin-bottom:9px}
.how-step p{color:var(--dim);font-size:15px}

/* ---------- features bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;margin-top:52px}
.tile{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;position:relative;overflow:hidden;
  transition:transform .3s cubic-bezier(.16,1,.3,1),border-color .3s}
.tile:hover{transform:translateY(-4px);border-color:var(--line-2)}
.tile h3{font-size:21px;margin-bottom:9px}
.tile p{color:var(--dim);font-size:14.5px}
.tile .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--glass-2);border:1px solid var(--line-2)}
.tile .ic svg{width:24px;height:24px;color:var(--purple)}
.t-hero{grid-column:span 3;background:linear-gradient(140deg,rgba(125,55,255,.24),rgba(224,145,187,.12)),var(--card)}
.t-hero .ic{background:var(--grad);border:0}.t-hero .ic svg{color:#fff}
.t-wide{grid-column:span 3}
.t-3{grid-column:span 2}
.tile .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip-s{background:var(--glass-2);border:1px solid var(--line);border-radius:var(--pill);padding:6px 12px;font-size:12.5px;
  font-weight:600;color:var(--dim)}
.mock-face{display:flex;align-items:center;gap:14px;margin-top:18px}
.mock-face .cam{width:120px;height:84px;border-radius:14px;background:var(--cam-bg);
  border:1px solid var(--line-2);position:relative;overflow:hidden;flex:none}
.mock-face .cam .bud{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-d);font-weight:700;
  font-size:15px;color:#fff}
.mock-face .cam .bud b{width:44px;height:44px;border-radius:12px;background:var(--grad);display:grid;place-items:center}
.mock-face .cam .rec{position:absolute;top:8px;inset-inline-start:8px;font-size:10px;font-weight:700;color:#fff;
  display:flex;align-items:center;gap:5px}
.mock-face .cam .rec i{width:7px;height:7px;border-radius:50%;background:var(--mint)}
.ring{--p:78;width:96px;height:96px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:conic-gradient(var(--purple) calc(var(--p)*1%),var(--track) 0);position:relative}
.ring::before{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--card)}
.ring b{position:relative;font-family:var(--font-d);font-weight:700;font-size:22px}
.ring b span{font-size:12px;color:var(--mute);display:block;font-weight:600;font-family:var(--font-b)}
.mastery{display:flex;align-items:center;gap:18px;margin-top:16px}
.mastery .xp{flex:1}
.xp .bar{height:8px;border-radius:var(--pill);background:var(--track);overflow:hidden;margin-top:8px}
.xp .bar i{display:block;height:100%;width:64%;background:var(--grad);border-radius:var(--pill)}
.xp .row{display:flex;justify-content:space-between;font-size:13px;color:var(--dim);font-weight:600}

/* ---------- audiences ---------- */
.aud{display:grid;grid-template-columns:1fr;gap:0}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:40px;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--pill);padding:6px;width:max-content;max-width:100%}
.tab{border:0;background:none;color:var(--dim);font-weight:600;font-size:14.5px;padding:11px 20px;border-radius:var(--pill);
  cursor:pointer;transition:color .2s;white-space:nowrap}
.tab.active{background:var(--grad);color:#fff}
.aud-panel{display:none;margin-top:32px}
.aud-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.aud-panel h3{font-size:clamp(24px,3vw,34px);margin-bottom:16px}
.aud-list{display:grid;gap:14px;margin:22px 0 26px}
.aud-list li{list-style:none;display:flex;gap:12px;color:var(--dim);font-size:15.5px;align-items:flex-start}
.aud-list svg{width:22px;height:22px;color:var(--mint);flex:none;margin-top:1px}
.aud-visual{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;min-height:280px;
  display:flex;flex-direction:column;justify-content:center;gap:16px;position:relative;overflow:hidden}
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:var(--glass);border:1px solid var(--line);border-radius:18px;padding:18px}
.stat b{font-family:var(--font-d);font-size:30px;display:block;background:var(--grad-text);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.stat span{color:var(--dim);font-size:13.5px;font-weight:600}

/* ---------- markets ---------- */
.markets{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.market{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);padding:28px}
.market .flag{font-size:34px;line-height:1}
.market h3{font-size:22px;margin:14px 0 8px}
.market p{color:var(--dim);font-size:14.5px}
.market .tag{margin-top:16px;font-size:12.5px;font-weight:700;color:var(--purple);letter-spacing:.04em}

/* ---------- pricing ---------- */
.price-toggle{display:inline-flex;align-items:center;gap:6px;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--pill);padding:6px;margin-top:30px}
.price-toggle button{border:0;background:none;color:var(--dim);font-weight:700;font-size:14px;padding:10px 20px;
  border-radius:var(--pill);cursor:pointer}
.price-toggle button.active{background:var(--grad);color:#fff}
.price-toggle .save{color:var(--mint);font-size:12.5px;font-weight:700;margin-inline-start:2px}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px;align-items:stretch}
.plan{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;display:flex;flex-direction:column}
.plan.feat{border:0;background:linear-gradient(var(--card),var(--card)) padding-box,var(--grad) border-box;
  border:1.5px solid transparent;box-shadow:var(--glow);position:relative}
.plan .badge{position:absolute;top:-12px;inset-inline-start:28px;background:var(--grad);color:#fff;font-size:11.5px;
  font-weight:700;padding:5px 12px;border-radius:var(--pill);letter-spacing:.05em}
.plan h3{font-size:20px}
.plan .who{color:var(--mute);font-size:13px;font-weight:600;margin-top:4px;min-height:18px}
.plan .amt{font-family:var(--font-d);font-weight:700;font-size:40px;margin-top:18px;line-height:1}
.plan .amt small{font-size:15px;color:var(--mute);font-weight:600;font-family:var(--font-b)}
.plan .per{color:var(--mute);font-size:13px;margin-top:6px;min-height:18px}
.plan ul{list-style:none;padding:0;margin:20px 0 24px;display:grid;gap:11px}
.plan li{display:flex;gap:10px;font-size:14px;color:var(--dim);align-items:flex-start}
.plan li svg{width:18px;height:18px;color:var(--mint);flex:none;margin-top:1px}
.plan .btn{width:100%;justify-content:center;margin-top:auto}

/* ---------- lead / demo ---------- */
.demo{background:linear-gradient(160deg,rgba(125,55,255,.14),rgba(224,145,187,.06)),var(--ink-2);
  border:1px solid var(--line);border-radius:32px;padding:clamp(28px,4vw,52px);
  display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(30px,4vw,56px);align-items:center}
.demo h2{font-size:clamp(28px,3.6vw,42px)}
.demo .lead{margin-top:16px}
.demo-list{display:grid;gap:14px;margin-top:26px}
.demo-list li{list-style:none;display:flex;gap:12px;color:var(--text);font-weight:500;align-items:center}
.demo-list svg{width:22px;height:22px;color:var(--mint);flex:none}
form{display:grid;gap:14px;background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);padding:26px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px}
.field label{font-size:13px;font-weight:600;color:var(--dim)}
.field input,.field select,.field textarea{background:var(--field-bg);border:1px solid var(--line-2);color:var(--text);
  border-radius:var(--r-in);padding:13px 14px;font-family:inherit;font-size:15px;width:100%}
.field textarea{resize:vertical;min-height:76px}
.field input::placeholder,.field textarea::placeholder{color:var(--mute)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--purple);
  box-shadow:0 0 0 3px rgba(125,55,255,.25)}
.field.err input,.field.err select{border-color:#ff6b8a;box-shadow:0 0 0 3px rgba(255,107,138,.2)}
.field .msg{font-size:12px;color:#ff8ba1;display:none}
.field.err .msg{display:block}
form .btn{justify-content:center;margin-top:4px}
.form-note{color:var(--mute);font-size:12.5px;text-align:center}
.form-done{display:none;text-align:center;padding:20px}
.form-done.show{display:block}
.form-done .ok{width:64px;height:64px;border-radius:50%;background:rgba(61,224,176,.15);border:1px solid rgba(61,224,176,.4);
  display:grid;place-items:center;margin:0 auto 16px}
.form-done .ok svg{width:32px;height:32px;color:var(--mint)}
.form-done h3{font-size:24px;margin-bottom:8px}
.form-done p{color:var(--dim)}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;margin-top:44px;max-width:820px}
.q{background:var(--glass);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.q button{width:100%;display:flex;align-items:center;gap:16px;background:none;border:0;color:var(--text);
  padding:20px 22px;font-family:var(--font-d);font-size:clamp(16px,2vw,19px);font-weight:500;cursor:pointer;text-align:start}
.q button .pm{margin-inline-start:auto;flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-2);
  display:grid;place-items:center;transition:transform .3s;color:var(--purple)}
.q.open button .pm{transform:rotate(45deg)}
.q .ans{max-height:0;overflow:hidden;transition:max-height .35s ease}
.q .ans p{padding:0 22px 22px;color:var(--dim);font-size:15px;max-width:70ch}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);background:var(--ink-2);padding-block:56px 34px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot-brand svg{height:30px;margin-bottom:16px;color:var(--text)}
.foot-brand p{color:var(--dim);font-size:14.5px;max-width:32ch}
.foot-col h4{font-family:var(--font-b);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);margin:0 0 16px}
.foot-col a{display:block;color:var(--dim);font-size:14.5px;padding:6px 0}
.foot-col a:hover{color:var(--text)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);color:var(--mute);font-size:13px}

/* ---------- reveal (progressive: visible by default) ---------- */
.js .reveal{opacity:0;transform:translateY(24px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s cubic-bezier(.16,1,.3,1)}
.js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.16s}.js .reveal.d3{transition-delay:.24s}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .menu-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .board-wrap{order:2}
  .how-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr 1fr}
  .t-hero,.t-wide,.t-3{grid-column:span 2}
  .aud-panel.active{grid-template-columns:1fr}
  .markets{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr 1fr}
  .demo{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .mobile-panel.open{display:block;padding:8px 24px 22px;border-top:1px solid var(--line);background:var(--nav-solid)}
  .mobile-panel a{display:block;color:var(--dim);padding:12px 4px;font-weight:600;border-bottom:1px solid var(--line)}
  .mobile-panel .btn{width:100%;justify-content:center;margin-top:16px}
}
@media(max-width:560px){
  .bento{grid-template-columns:1fr}
  .t-hero,.t-wide,.t-3{grid-column:span 1}
  .plans{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%;justify-content:center}
  .pip{width:104px;top:56px}
  .pip .cam2{height:74px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
  .js .reveal{opacity:1!important;transform:none!important}
  .anim .b-item{opacity:1!important;transform:none!important}
  .anim .curve{stroke-dashoffset:0!important}
}

/* ============ multi-page additions ============ */
.nav-links a.navblog{color:var(--text)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--mute);
  padding-top:20px}
.breadcrumb a{color:var(--dim)}.breadcrumb a:hover{color:var(--text)}
.breadcrumb .sep{opacity:.5}
/* article / prose */
.prose-wrap{max-width:760px;margin-inline:auto;padding-block:clamp(24px,4vw,40px) clamp(56px,8vw,96px)}
.article-head{max-width:760px;margin-inline:auto;padding-top:8px}
.article-head .kicker{color:var(--purple);font-weight:700;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase}
.article-head h1{font-size:clamp(30px,4.6vw,48px);margin:14px 0 14px}
.article-head .meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--mute);font-size:13.5px;font-weight:600}
.prose{color:var(--dim);font-size:17px;line-height:1.72}
.prose h2{font-family:var(--font-d);color:var(--text);font-size:clamp(23px,3vw,30px);margin:38px 0 12px;letter-spacing:-.01em}
.prose h3{font-family:var(--font-d);color:var(--text);font-size:20px;margin:26px 0 8px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-inline-start:22px;display:grid;gap:9px}
.prose li{padding-inline-start:4px}
.prose strong{color:var(--text)}
.prose a{color:var(--purple);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{color:var(--pink)}
.prose table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{text-align:start;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.prose thead th{color:var(--text);font-family:var(--font-d);font-weight:600;border-bottom:1px solid var(--line-2)}
.prose tbody td{color:var(--dim)}
.callout{background:var(--glass);border:1px solid var(--line);border-inline-start:3px solid var(--violet);
  border-radius:14px;padding:16px 18px;margin:6px 0 24px}
.callout p{margin:0;color:var(--text)}
.article-cta{margin-top:36px;background:var(--grad-soft);border:1px solid var(--line-2);border-radius:var(--r-card);
  padding:26px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.article-cta h3{font-family:var(--font-d);font-size:22px}
.article-cta .btns{display:flex;gap:12px;flex-wrap:wrap}
.share-row{display:flex;gap:10px;align-items:center;margin-top:28px;color:var(--mute);font-size:13px}
/* blog index */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.post-card{display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;transition:transform .3s cubic-bezier(.16,1,.3,1),border-color .3s}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.post-card .tag{color:var(--purple);font-weight:700;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase}
.post-card h2{font-family:var(--font-d);font-size:21px;margin:12px 0 10px;color:var(--text)}
.post-card p{color:var(--dim);font-size:14.5px;margin:0 0 16px}
.post-card .more{margin-top:auto;color:var(--text);font-weight:700;font-size:14px;display:inline-flex;gap:7px;align-items:center}
.post-card .rm{color:var(--mute);font-size:12.5px;font-weight:600;margin-top:6px}
/* market page hero */
.mk-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center;
  padding-top:clamp(28px,4vw,52px);padding-bottom:clamp(20px,3vw,36px)}
.mk-hero .flag{font-size:46px;line-height:1}
.mk-hero h1{font-size:clamp(34px,5vw,58px);margin:16px 0 18px;font-weight:700}
.mk-hero h1 .g{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.mk-points{display:grid;gap:12px;margin:22px 0 28px}
.mk-points li{list-style:none;display:flex;gap:11px;color:var(--dim);font-size:16px;align-items:flex-start}
.mk-points svg{width:22px;height:22px;color:var(--mint);flex:none;margin-top:1px}
@media(max-width:960px){
  .blog-grid{grid-template-columns:1fr 1fr}
  .mk-hero{grid-template-columns:1fr}
}
@media(max-width:560px){
  .blog-grid{grid-template-columns:1fr}
  .prose{font-size:16px}
}