/* ══════════════════════════════════════════════════════
   leet — landing page
   Dark, techy, neon-lime. Plain CSS, no framework.
   ══════════════════════════════════════════════════════ */

:root{
  --bg:        #06070a;
  --bg-2:      #0a0c11;
  --panel:     #0e1117;
  --panel-2:   #12161e;
  --line:      rgba(255,255,255,.09);
  --line-2:    rgba(255,255,255,.16);

  --txt:       #e9edf3;
  --txt-2:     #9aa4b2;
  --txt-3:     #667080;

  --acc:       #b8ff3a;   /* acid lime */
  --acc-2:     #35e6ff;   /* cyan */
  --acc-dim:   rgba(184,255,58,.14);

  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;

  --wrap: 1160px;
  --ease: cubic-bezier(.22,.75,.26,1);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:90px; }
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ line-height:1.08; letter-spacing:-.025em; margin:0; font-weight:600; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }

.wrap{ width:min(100% - 44px, var(--wrap)); margin-inline:auto; }

/* ── background layers ───────────────────────────────── */
.bg-grid{
  position:fixed; inset:0; z-index:-3; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
}
.bg-glow{
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(680px 420px at 18% -6%, rgba(184,255,58,.16), transparent 62%),
    radial-gradient(620px 460px at 88% 6%, rgba(53,230,255,.13), transparent 64%);
  filter:blur(4px);
}
.scan{
  position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.5;
  background:repeating-linear-gradient(to bottom, rgba(255,255,255,.02) 0 1px, transparent 1px 4px);
}

/* ── nav ─────────────────────────────────────────────── */
.nav{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; gap:26px;
  width:min(100% - 44px, var(--wrap)); margin:14px auto 0;
  padding:10px 10px 10px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(10,12,17,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.nav.stuck{
  background:rgba(8,10,14,.86);
  border-color:var(--line-2);
  box-shadow:0 12px 40px rgba(0,0,0,.5);
}
.brand{ display:flex; align-items:center; gap:9px; margin-right:auto; }
.brand-mark{ color:var(--acc); display:flex; filter:drop-shadow(0 0 10px rgba(184,255,58,.45)); }
/* app ke header wordmark jaisa: "leet" gadha (sans — monospace NAHI) +
   "assistant" halka/patla + phaili hui spacing, dono ek hi baseline par. */
.brand-text{
  display:inline-flex; align-items:baseline;
  font-family:inherit; /* Space Grotesk sans, app ke wordmark jaisa (JetBrains Mono nahi) */
  font-weight:700; font-size:21px; letter-spacing:-.03em;
}
.brand-sub{
  margin-left:.42em; font-weight:300; color:var(--txt-2);
  font-size:.66em; letter-spacing:.14em;
}
.nav-links{ display:flex; gap:24px; }
.nav-links a{
  font-size:14.5px; color:var(--txt-2); position:relative; padding:4px 0;
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--acc); transition:width .28s var(--ease);
}
.nav-links a:hover{ color:var(--txt); }
.nav-links a:hover::after{ width:100%; }

/* ── buttons ─────────────────────────────────────────── */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  border-radius:999px; border:1px solid transparent;
  font-family:inherit; font-weight:600; font-size:15px; letter-spacing:-.01em;
  padding:11px 20px; cursor:pointer; white-space:nowrap;
  transition:transform .18s var(--ease), box-shadow .25s var(--ease),
             background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.btn-sm{ padding:9px 17px; font-size:14px; }
.btn-lg{ padding:15px 28px; font-size:16.5px; }
.btn-primary{
  background:var(--acc); color:#08130a;
  box-shadow:0 0 0 0 rgba(184,255,58,.5), 0 10px 30px rgba(184,255,58,.18);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 0 34px rgba(184,255,58,.42), 0 14px 34px rgba(0,0,0,.4); }
.btn-primary:active{ transform:translateY(0); }
.btn-ghost{ border-color:var(--line-2); color:var(--txt); background:rgba(255,255,255,.02); }
.btn-ghost:hover{ border-color:var(--acc); color:var(--acc); transform:translateY(-2px); }

/* ── hero ────────────────────────────────────────────── */
.hero{ position:relative; padding:clamp(56px,9vw,112px) 0 clamp(40px,6vw,72px); }
.hero-inner{
  width:min(100% - 44px, var(--wrap)); margin-inline:auto;
  display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(28px,5vw,72px); align-items:center;
}
.pill{
  display:inline-flex; align-items:center; gap:9px;
  font-family:'JetBrains Mono', monospace; font-size:12.5px; letter-spacing:.06em; text-transform:uppercase;
  color:var(--acc);
  border:1px solid var(--acc-dim); background:rgba(184,255,58,.06);
  padding:7px 14px; border-radius:999px; margin-bottom:26px;
}
.pill .dot{
  width:7px; height:7px; border-radius:50%; background:var(--acc);
  box-shadow:0 0 0 0 rgba(184,255,58,.7); animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(184,255,58,.6); }
  70%{ box-shadow:0 0 0 9px rgba(184,255,58,0); }
  100%{ box-shadow:0 0 0 0 rgba(184,255,58,0); }
}
.hero h1{
  font-size:clamp(44px,6.4vw,78px);
  font-weight:700; letter-spacing:-.045em; margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg, var(--acc) 10%, var(--acc-2) 90%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.lede{ font-size:clamp(17px,1.5vw,19.5px); color:var(--txt-2); max-width:52ch; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }
.hero-note{ margin-top:16px; font-size:13.5px; color:var(--txt-3); font-family:'JetBrains Mono', monospace; }
.trust-row{
  display:flex; flex-wrap:wrap; gap:10px; margin-top:30px;
  padding-top:26px; border-top:1px solid var(--line);
}
.trust-row li{
  font-family:'JetBrains Mono', monospace; font-size:12.5px; color:var(--txt-2);
  border:1px solid var(--line); border-radius:999px; padding:6px 13px;
  background:rgba(255,255,255,.02);
}
.trust-row li::before{ content:'✓ '; color:var(--acc); }

/* ── phone mockups ───────────────────────────────────── */
.hero-visual{ position:relative; display:flex; justify-content:center; }
.phone{
  position:relative; width:290px; aspect-ratio:9/19.5;
  border-radius:40px; padding:9px;
  background:linear-gradient(160deg,#20252f,#0b0d12 55%);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:
    0 40px 90px rgba(0,0,0,.65),
    0 0 70px var(--glow, rgba(184,255,58,.10)),
    inset 0 1px 0 rgba(255,255,255,.14);
  transition:box-shadow 1.3s var(--ease);
}
@keyframes float{ 0%,100%{ transform:translateY(-9px); } 50%{ transform:translateY(9px); } }

/* do phone ka stage — reference jaisa overlap: peeche wala upar-daayein,
   aage wala neeche-baayein. Mouse ke saath poora stage 3D me tilt hota hai,
   aur translateZ se aage/peeche ka farq (parallax) banta hai. */
.stage{
  position:relative;
  width:min(430px, 100%);
  aspect-ratio:1 / 1.52;
  transform-style:preserve-3d;
  transform:perspective(1200px) rotateY(var(--ry,0deg)) rotateX(var(--rx,0deg));
  transition:transform .25s var(--ease);
}
.ph-slot{ position:absolute; width:60%; transform-style:preserve-3d; }
.slot-back{  right:0; top:0;    z-index:1; transform:rotate(6.5deg) translateZ(-30px); }
.slot-front{ left:0;  bottom:0; z-index:2; transform:rotate(-5deg)  translateZ(50px); }
.ph-flip{ transform-style:preserve-3d; }
.ph-slot .phone{ width:100%; animation:float 7.5s ease-in-out infinite; }
.slot-back .phone{ animation-delay:-3.7s; filter:brightness(.84) saturate(.94); }

/* ── phone flip ───────────────────────────────────────
   Phone 90° tak ghoomta hai (us pal woh bilkul patla/invisible hota
   hai) — theek wahin JS image badal deta hai — phir wapas 0° par aata
   hai. Isliye nayi screen "flip ke baad" hi dikhti hai.
   Har baar alag axis/direction use hota hai taaki repeat na lage.     */
@keyframes flip-y     { 0%{transform:rotateY(0)}    49.99%{transform:rotateY(90deg)}  50%{transform:rotateY(-90deg)} 100%{transform:rotateY(0)} }
@keyframes flip-y-rev { 0%{transform:rotateY(0)}    49.99%{transform:rotateY(-90deg)} 50%{transform:rotateY(90deg)}  100%{transform:rotateY(0)} }
@keyframes flip-x     { 0%{transform:rotateX(0)}    49.99%{transform:rotateX(90deg)}  50%{transform:rotateX(-90deg)} 100%{transform:rotateX(0)} }
@keyframes flip-x-rev { 0%{transform:rotateX(0)}    49.99%{transform:rotateX(-90deg)} 50%{transform:rotateX(90deg)}  100%{transform:rotateX(0)} }

.ph-flip.flip-y     { animation:flip-y     1.15s cubic-bezier(.55,.02,.45,.98); }
.ph-flip.flip-y-rev { animation:flip-y-rev 1.15s cubic-bezier(.55,.02,.45,.98); }
.ph-flip.flip-x     { animation:flip-x     1.15s cubic-bezier(.55,.02,.45,.98); }
.ph-flip.flip-x-rev { animation:flip-x-rev 1.15s cubic-bezier(.55,.02,.45,.98); }

/* slide swap flip ke beech (edge-on) me hota hai, isliye fade bahut
   chhota — sirf itna ki koi jhatka na dikhe */
.phone-screen .slide{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; transform:scale(1.04);
  transition:opacity .22s linear, transform 6s var(--ease);
}
.phone-screen .slide.is-on{ opacity:1; transform:scale(1); }
.phone-notch{
  position:absolute; top:15px; left:50%; transform:translateX(-50%);
  width:78px; height:6px; border-radius:99px; background:#000; opacity:.85; z-index:2;
}
.phone-screen{
  position:relative; height:100%; border-radius:32px; overflow:hidden;
  background:linear-gradient(170deg,#0d1017,#080a0e);
  display:flex; align-items:center; justify-content:center;
}
.phone-screen img{ width:100%; height:100%; object-fit:cover; }
.phone-sm{ width:min(260px, 70vw); }

/* placeholder when a screenshot file isn't there yet */
.shot-ph{
  width:100%; height:100%;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px;
  text-align:center; padding:22px;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(184,255,58,.10), transparent 60%),
    repeating-linear-gradient(135deg, rgba(255,255,255,.028) 0 12px, transparent 12px 24px);
  color:var(--txt-3); font-family:'JetBrains Mono', monospace; font-size:12px; letter-spacing:.04em;
}
.shot-ph b{ color:var(--txt-2); font-size:13px; font-weight:500; }
.shot-ph .ph-ico{ font-size:26px; opacity:.55; }

.scroll-hint{
  display:block; width:24px; height:38px; margin:clamp(28px,5vw,54px) auto 0;
  border:1px solid var(--line-2); border-radius:999px; position:relative;
}
.scroll-hint span{
  position:absolute; top:8px; left:50%; width:3px; height:7px; border-radius:2px;
  background:var(--acc); transform:translateX(-50%); animation:wheel 1.8s infinite;
}
@keyframes wheel{ 0%{ opacity:0; transform:translate(-50%,0); } 30%{ opacity:1; } 100%{ opacity:0; transform:translate(-50%,14px); } }

/* ── marquee ─────────────────────────────────────────── */
.marquee{
  overflow:hidden; border-block:1px solid var(--line);
  background:rgba(255,255,255,.015); padding:14px 0; margin-top:8px;
  mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track{
  display:flex; gap:20px; width:max-content; align-items:center;
  animation:slide 46s linear infinite;
  font-family:'JetBrains Mono', monospace; font-size:13px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--txt-3);
}
.marquee-track i{ color:var(--acc); font-style:normal; opacity:.6; }
@keyframes slide{ to{ transform:translateX(-50%); } }

/* ── sections ────────────────────────────────────────── */
.section{ padding:clamp(72px,10vw,132px) 0; position:relative; }
.section-alt{ background:linear-gradient(180deg, transparent, rgba(255,255,255,.018) 18%, transparent); }
.sec-head{ max-width:640px; margin-bottom:clamp(38px,5vw,62px); }
.eyebrow{
  display:inline-block; font-family:'JetBrains Mono', monospace;
  font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:var(--acc);
  margin-bottom:14px;
}
.sec-head h2, .privacy h2, .cta-inner h2{ font-size:clamp(32px,4.2vw,50px); font-weight:700; letter-spacing:-.04em; }
.sec-head p{ margin-top:16px; color:var(--txt-2); font-size:17.5px; }

/* ── hero feature ────────────────────────────────────── */
.feature-hero{
  display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(24px,4vw,56px); align-items:center;
  border:1px solid var(--line); border-radius:var(--r-lg);
  background:linear-gradient(150deg, rgba(184,255,58,.055), rgba(53,230,255,.03) 46%, rgba(255,255,255,.012));
  padding:clamp(26px,3.6vw,52px);
  margin-bottom:26px; overflow:hidden; position:relative;
}
.feature-hero::after{
  content:''; position:absolute; width:420px; height:420px; right:-140px; top:-160px;
  background:radial-gradient(circle, rgba(184,255,58,.18), transparent 65%); pointer-events:none;
}
.feature-hero h3{ font-size:clamp(25px,2.7vw,34px); margin:8px 0 16px; }
.feature-hero p{ color:var(--txt-2); max-width:56ch; }
.feature-hero-visual{ display:flex; justify-content:center; position:relative; z-index:1; }
.ticks{ margin-top:24px; display:grid; gap:11px; }
.ticks li{ display:flex; gap:11px; align-items:flex-start; font-size:15.5px; color:var(--txt-2); }
.ticks li::before{
  content:''; flex:none; width:18px; height:18px; margin-top:3px; border-radius:50%;
  background:var(--acc-dim); border:1px solid rgba(184,255,58,.4);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b8ff3a' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size:11px; background-repeat:no-repeat; background-position:center;
}

/* ── feature grid ────────────────────────────────────── */
.grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(268px,1fr)); gap:18px; }
.card{
  position:relative; overflow:hidden;
  border:1px solid var(--line); border-radius:var(--r);
  background:linear-gradient(170deg, var(--panel), var(--bg-2));
  padding:26px 24px 28px;
  transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.card::before{
  content:''; position:absolute; inset:0; opacity:0; pointer-events:none;
  background:radial-gradient(340px 200px at var(--mx,50%) var(--my,0%), rgba(184,255,58,.12), transparent 70%);
  transition:opacity .3s var(--ease);
}
.card:hover{ transform:translateY(-4px); border-color:rgba(184,255,58,.34); box-shadow:0 18px 46px rgba(0,0,0,.5); }
.card:hover::before{ opacity:1; }
.ico{
  width:46px; height:46px; border-radius:13px; display:grid; place-items:center;
  font-size:22px; margin-bottom:16px;
  background:rgba(184,255,58,.08); border:1px solid rgba(184,255,58,.18);
}
.card h3{ font-size:19.5px; margin-bottom:9px; }
.card p{ color:var(--txt-2); font-size:15.3px; }

/* ── screenshots rail ────────────────────────────────── */
.shots{ overflow-x:auto; scroll-snap-type:x mandatory; scrollbar-width:none; padding:6px 0 10px; }
.shots::-webkit-scrollbar{ display:none; }
.shots-track{
  display:flex; gap:26px; width:max-content;
  padding-inline:max(22px, calc(50vw - var(--wrap)/2));
}
.shot{ margin:0; scroll-snap-align:center; text-align:center; }
.shot .phone{ width:252px; transition:transform .35s var(--ease), box-shadow .35s var(--ease); }
.shot:hover .phone{ transform:translateY(-8px); box-shadow:0 44px 90px rgba(0,0,0,.7), 0 0 60px rgba(184,255,58,.16); }
.shot figcaption{
  margin-top:16px; font-size:13.5px; color:var(--txt-3);
  font-family:'JetBrains Mono', monospace; letter-spacing:.02em;
}
.shots-nav{ display:flex; gap:10px; justify-content:flex-end; margin-top:22px; }
.rnd{
  width:44px; height:44px; border-radius:50%; display:grid; place-items:center; cursor:pointer;
  background:rgba(255,255,255,.03); border:1px solid var(--line-2); color:var(--txt);
  transition:border-color .25s var(--ease), color .25s var(--ease), transform .2s var(--ease);
}
.rnd:hover{ border-color:var(--acc); color:var(--acc); transform:translateY(-2px); }

/* ── privacy ─────────────────────────────────────────── */
.privacy{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,5vw,72px); align-items:start; }
.privacy .lede{ margin-top:18px; }
.privacy .fine{ margin-top:16px; color:var(--txt-3); font-size:15px; }
.privacy .btn{ margin-top:28px; }
.privacy-list{ display:grid; gap:12px; }
.privacy-list li{
  display:grid; gap:5px;
  border:1px solid var(--line); border-left:2px solid rgba(184,255,58,.55);
  border-radius:var(--r-sm); padding:17px 20px;
  background:linear-gradient(100deg, rgba(184,255,58,.05), rgba(255,255,255,.012) 42%);
  transition:border-color .25s var(--ease), transform .25s var(--ease);
}
.privacy-list li:hover{ transform:translateX(4px); border-left-color:var(--acc); }
.privacy-list strong{ font-weight:600; font-size:16px; }
.privacy-list span{ color:var(--txt-2); font-size:14.8px; }

/* ── CTA band ────────────────────────────────────────── */
.cta-band{
  padding:clamp(66px,8vw,110px) 0;
  border-block:1px solid var(--line);
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(184,255,58,.12), transparent 70%),
    linear-gradient(180deg, rgba(255,255,255,.02), transparent);
}
.cta-inner{ text-align:center; display:grid; justify-items:center; gap:16px; }
.cta-inner p{ color:var(--txt-2); }
.cta-inner .btn{ margin-top:10px; }
.cta-inner .fine{ font-size:13.5px; color:var(--txt-3); max-width:46ch; }

/* ── footer ──────────────────────────────────────────── */
.footer{ padding:56px 0 40px; }
.footer-inner{
  display:flex; flex-wrap:wrap; gap:26px; justify-content:space-between; align-items:flex-start;
  padding-bottom:26px; border-bottom:1px solid var(--line);
}
.footer-brand p{ color:var(--txt-3); font-size:14.5px; margin-top:6px; }
.footer-links{ display:flex; flex-wrap:wrap; gap:22px; }
.footer-links a{ font-size:14.5px; color:var(--txt-2); transition:color .2s var(--ease); }
.footer-links a:hover{ color:var(--acc); }
.footer-bottom{
  display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between;
  margin-top:20px; font-size:13px; color:var(--txt-3);
  font-family:'JetBrains Mono', monospace;
}

/* ── scroll reveal ───────────────────────────────────── */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.reveal[data-d="1"]{ transition-delay:.07s; }
.reveal[data-d="2"]{ transition-delay:.14s; }
.reveal[data-d="3"]{ transition-delay:.21s; }
.reveal[data-d="4"]{ transition-delay:.28s; }
.reveal[data-d="5"]{ transition-delay:.35s; }

/* ── responsive ──────────────────────────────────────── */
@media (max-width: 980px){
  /* copy pehle, phone baad me — warna chhoti screen par pehla poora
     screenful sirf mockup se bhar jaata hai aur headline dikhta hi nahi */
  .hero-inner{ grid-template-columns:1fr; text-align:left; }
  .hero-visual{ margin-top:14px; }
  .feature-hero{ grid-template-columns:1fr; }
  .feature-hero-visual{ order:-1; }
  .privacy{ grid-template-columns:1fr; }
  .nav-links{ display:none; }
}
@media (max-width: 560px){
  body{ font-size:16px; }
  .wrap, .nav, .hero-inner{ width:calc(100% - 28px); }
  .shots-track{ gap:18px; padding-inline:14px; }
  .shot .phone{ width:212px; }
  .stage{ width:min(330px, 94%); }
  .hero-cta .btn{ flex:1 1 100%; }
  .shots-nav{ justify-content:center; }
  .footer-bottom{ flex-direction:column; gap:6px; }
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation:none !important; transition-duration:.01ms !important; }
  .reveal{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}