/* ============================================================
   Void — styles.css
   ============================================================ */

:root{
  --bg:#05060a;
  --bg-soft:#0a0c14;
  --text:#eceef7;
  --muted:#8b90a8;
  --violet:#7c5cff;
  --cyan:#22d3ee;
  --line:rgba(255,255,255,.08);
  --card:rgba(255,255,255,.028);
  --radius:20px;
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,.display{
  font-family:'Space Grotesk','Inter',sans-serif;
  font-weight:600;
  letter-spacing:-.03em;
  line-height:1.08;
}

a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}

/* ---------- backdrop ---------- */
#void-canvas{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
}

.orb{
  position:fixed;
  border-radius:50%;
  filter:blur(110px);
  opacity:.5;
  pointer-events:none;
  z-index:0;
  will-change:transform;
}
.orb-1{
  width:620px;height:620px;
  top:-240px;left:-160px;
  background:radial-gradient(circle at 30% 30%, rgba(124,92,255,.85), transparent 68%);
}
.orb-2{
  width:560px;height:560px;
  top:6%;right:-220px;
  background:radial-gradient(circle at 60% 40%, rgba(34,211,238,.55), transparent 68%);
}
.orb-3{
  width:700px;height:700px;
  bottom:-380px;left:35%;
  background:radial-gradient(circle at 50% 50%, rgba(124,92,255,.4), transparent 70%);
}

.grain{
  position:fixed;
  inset:0;
  z-index:3;
  pointer-events:none;
  opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.shell{position:relative;z-index:2}

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- nav ---------- */
header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  background:rgba(5,6,10,.6);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, background .3s ease;
}
header.scrolled{
  border-bottom-color:var(--line);
  background:rgba(5,6,10,.82);
}
nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:'Space Grotesk',sans-serif;
  font-weight:700;
  font-size:1.15rem;
  letter-spacing:.18em;
}
.logo-mark{
  width:22px;height:22px;
  border-radius:50%;
  background:conic-gradient(from 180deg, var(--violet), var(--cyan), var(--violet));
  box-shadow:0 0 18px rgba(124,92,255,.7);
  position:relative;
  flex:none;
}
.logo-mark::after{
  content:'';
  position:absolute;
  inset:6px;
  border-radius:50%;
  background:var(--bg);
}
.nav-links{
  display:flex;
  gap:34px;
  font-size:.9rem;
  color:var(--muted);
}
.nav-links a{transition:color .2s ease}
.nav-links a:hover{color:var(--text)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:100px;
  padding:12px 22px;
  font-size:.9rem;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s cubic-bezier(.2,.8,.3,1), box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:#fff;
  color:#05060a;
  box-shadow:0 0 0 0 rgba(255,255,255,0);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 34px -10px rgba(255,255,255,.5);
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.2);
  transform:translateY(-2px);
}
.btn-sm{padding:9px 18px;font-size:.85rem}

/* ---------- hero ---------- */
.hero{
  padding:84px 0 110px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;
  align-items:center;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 14px 6px 10px;
  border:1px solid var(--line);
  border-radius:100px;
  background:rgba(255,255,255,.03);
  font-size:.76rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:28px;
}
.pulse{
  width:7px;height:7px;
  border-radius:50%;
  background:#34d399;
  box-shadow:0 0 0 0 rgba(52,211,153,.6);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(52,211,153,.55)}
  70%{box-shadow:0 0 0 9px rgba(52,211,153,0)}
  100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}
}

h1{
  font-size:clamp(2.7rem,6vw,4.5rem);
  margin-bottom:24px;
}
.grad{
  background:linear-gradient(100deg,#a78bfa 0%,#7c5cff 35%,#22d3ee 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.lede{
  font-size:clamp(1rem,1.35vw,1.12rem);
  color:var(--muted);
  max-width:52ch;
  margin-bottom:36px;
}

.signup{
  display:flex;
  align-items:center;
  gap:8px;
  padding:7px 7px 7px 22px;
  border:1px solid var(--line);
  border-radius:100px;
  background:rgba(255,255,255,.03);
  max-width:440px;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.signup:focus-within{
  border-color:rgba(124,92,255,.7);
  box-shadow:0 0 0 4px rgba(124,92,255,.14);
}
.signup input{
  flex:1;
  min-width:0;
  background:none;
  border:none;
  outline:none;
  font-size:.92rem;
}
.signup input::placeholder{color:#5d627a}

.fineprint{
  margin-top:16px;
  font-size:.79rem;
  color:#6a6f88;
}

/* ---------- phone mock ---------- */
.phone-stage{
  position:relative;
  display:flex;
  justify-content:center;
  perspective:1400px;
}
.phone-glow{
  position:absolute;
  width:340px;height:340px;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(124,92,255,.55),transparent 66%);
  filter:blur(70px);
  z-index:-1;
}
.phone{
  width:100%;
  max-width:376px;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(180deg,rgba(22,24,38,.92),rgba(8,9,16,.94));
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  box-shadow:
    0 50px 100px -40px rgba(0,0,0,.95),
    0 0 0 1px rgba(255,255,255,.02) inset,
    0 1px 0 rgba(255,255,255,.08) inset;
  padding:18px;
  transform:rotateY(-8deg) rotateX(4deg);
  transition:transform .6s cubic-bezier(.2,.8,.3,1);
  animation:float 7s ease-in-out infinite;
}
.phone:hover{transform:rotateY(0deg) rotateX(0deg) translateY(-6px)}
@keyframes float{
  0%,100%{translate:0 0}
  50%{translate:0 -12px}
}

.phone-head{
  display:flex;
  align-items:center;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.avatar{
  width:38px;height:38px;
  border-radius:50%;
  flex:none;
  display:grid;
  place-items:center;
  font-weight:700;
  font-size:.9rem;
  font-family:'Space Grotesk',sans-serif;
  background:linear-gradient(135deg,#7c5cff,#22d3ee);
  color:#05060a;
}
.who{flex:1;min-width:0}
.who .name{font-size:.9rem;font-weight:600;line-height:1.3}
.who .stat{
  display:flex;align-items:center;gap:6px;
  font-size:.72rem;color:#6a6f88;letter-spacing:.03em;
}
.dot-live{
  width:6px;height:6px;border-radius:50%;background:#34d399;
  box-shadow:0 0 8px #34d399;
}
.lock{
  width:30px;height:30px;
  border-radius:9px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:#7c8199;
}

.thread{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 2px;
  min-height:290px;
}
.msg{
  max-width:80%;
  padding:10px 15px;
  border-radius:18px;
  font-size:.86rem;
  line-height:1.45;
  opacity:0;
  animation:pop .6s cubic-bezier(.2,.8,.3,1) forwards;
  animation-delay:var(--d,0s);
}
@keyframes pop{
  from{opacity:0;transform:translateY(12px) scale(.95)}
  to{opacity:1;transform:none}
}
.msg.them{
  align-self:flex-start;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.07);
  border-bottom-left-radius:6px;
  color:#dfe2f0;
}
.msg.me{
  align-self:flex-end;
  background:linear-gradient(135deg,#7c5cff,#6247e8);
  border-bottom-right-radius:6px;
  color:#fff;
  box-shadow:0 10px 26px -12px rgba(124,92,255,.9);
}
.msg.vanish{
  display:flex;
  align-items:center;
  gap:8px;
  align-self:flex-start;
  background:rgba(34,211,238,.09);
  border:1px dashed rgba(34,211,238,.4);
  color:#8fe6f5;
  border-bottom-left-radius:6px;
}
.msg.vanish svg{flex:none;opacity:.85}

.composer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 10px 10px 18px;
  border-radius:100px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:.83rem;
  color:#5d627a;
}
.send{
  width:32px;height:32px;
  flex:none;
  border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#7c5cff,#22d3ee);
  color:#05060a;
}

/* ---------- sections ---------- */
section{position:relative}

.eyebrow{
  font-size:.74rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:#7c8199;
  margin-bottom:16px;
}

.sec-head{max-width:640px;margin-bottom:60px}
.sec-head h2{
  font-size:clamp(1.9rem,3.6vw,2.9rem);
  margin-bottom:18px;
}
.sec-head p{color:var(--muted);font-size:1.02rem}

.features{padding:110px 0}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:18px;
}

.card{
  position:relative;
  padding:30px 28px 32px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--card);
  overflow:hidden;
  transition:transform .35s cubic-bezier(.2,.8,.3,1), border-color .35s ease, background .35s ease;
}
.card::before{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(124,92,255,.12),transparent 45%);
  opacity:0;
  transition:opacity .35s ease;
  pointer-events:none;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(124,92,255,.4);
  background:rgba(255,255,255,.045);
}
.card:hover::before{opacity:1}

.icon{
  width:42px;height:42px;
  border-radius:12px;
  display:grid;place-items:center;
  margin-bottom:20px;
  background:linear-gradient(135deg,rgba(124,92,255,.22),rgba(34,211,238,.14));
  border:1px solid rgba(124,92,255,.28);
  color:#b6a5ff;
}
.card h3{
  font-size:1.06rem;
  margin-bottom:9px;
  letter-spacing:-.02em;
}
.card p{
  font-size:.9rem;
  color:var(--muted);
  line-height:1.62;
}

/* ---------- stats ---------- */
.stats{
  padding:64px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:36px;
  text-align:center;
}
.stat-num{
  font-family:'Space Grotesk',sans-serif;
  font-size:clamp(1.9rem,3.4vw,2.6rem);
  font-weight:700;
  letter-spacing:-.04em;
  background:linear-gradient(120deg,#fff,#a78bfa 60%,#22d3ee);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.1;
}
.stat-label{
  font-size:.8rem;
  color:#6a6f88;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-top:8px;
}

/* ---------- final cta ---------- */
.cta{padding:120px 0 100px}
.cta-box{
  position:relative;
  text-align:center;
  padding:80px 32px;
  border-radius:32px;
  border:1px solid var(--line);
  background:
    radial-gradient(700px circle at 50% -20%, rgba(124,92,255,.22), transparent 62%),
    rgba(255,255,255,.02);
  overflow:hidden;
}
.cta-box h2{
  font-size:clamp(2rem,4.4vw,3.2rem);
  margin-bottom:20px;
}
.cta-box p{
  color:var(--muted);
  max-width:50ch;
  margin:0 auto 38px;
}
.cta-actions{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
.platforms{
  margin-top:28px;
  font-size:.78rem;
  color:#5d627a;
  letter-spacing:.05em;
}

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--line);
  padding:48px 0 56px;
}
.foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.foot-links{
  display:flex;
  gap:26px;
  font-size:.85rem;
  color:var(--muted);
  flex-wrap:wrap;
}
.foot-links a:hover{color:var(--text)}
.copy{font-size:.8rem;color:#565b73}

/* ---------- reveal ---------- */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .8s cubic-bezier(.2,.8,.3,1), transform .8s cubic-bezier(.2,.8,.3,1);
  transition-delay:var(--i,0s);
}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero{
    grid-template-columns:1fr;
    gap:70px;
    padding:64px 0 80px;
    text-align:center;
  }
  .lede{margin-left:auto;margin-right:auto}
  .signup{margin:0 auto}
  .nav-links{display:none}
  .phone{transform:none}
  .features{padding:80px 0}
  .cta{padding:80px 0 70px}
  .cta-box{padding:56px 22px}
}

@media (max-width:520px){
  .wrap{padding:0 18px}
  .signup{
    flex-direction:column;
    align-items:stretch;
    border-radius:22px;
    padding:10px;
    gap:10px;
  }
  .signup input{padding:8px 12px;text-align:center}
  .signup .btn{width:100%}
  .stats-grid{gap:28px}
}

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