/* ============================================================
   WAIvePulse — landing page styles
   ============================================================ */
:root{
  --bg:#07070b;
  --panel:rgba(20,20,28,.55);
  --line:rgba(255,255,255,.08);
  --txt:#e7e7ee;
  --txt2:#9a9aa8;
  --txt3:#5a5a68;

  --cyan:#8cffff;
  --green:#4ade80;
  --purple:#a78bfa;
  --magenta:#f472b6;
  --amber:#fbbf24;

  --accent:var(--cyan);
  --accent-rgb:140,255,255;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:'Inter',system-ui,sans-serif;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.brand,.btn,.f-tag,.num,.flow-step .lbl{font-family:'Space Grotesk',system-ui,sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* ---- Animated background ---- */
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:-3;opacity:.9}
.grain{
  position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.035;
  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='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.orb{position:fixed;border-radius:50%;filter:blur(90px);z-index:-3;opacity:.34;pointer-events:none;
  transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.orb-1{width:520px;height:520px;background:radial-gradient(circle,#13b6b6,transparent 70%);top:-160px;left:-120px}
.orb-2{width:480px;height:480px;background:radial-gradient(circle,#7c3aed,transparent 70%);top:40%;right:-160px}
.orb-3{width:420px;height:420px;background:radial-gradient(circle,#db2777,transparent 70%);bottom:-160px;left:30%}

/* ---- Nav ---- */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;gap:24px;
  padding:18px 40px;transition:padding .25s, background .25s, border-color .25s;
  border-bottom:1px solid transparent;
}
#nav.scrolled{
  padding:11px 40px;background:rgba(8,8,12,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;letter-spacing:.3px}
.brand img{height:26px;width:auto;filter:drop-shadow(0 0 8px rgba(140,255,255,.4))}
.brand b{color:var(--cyan);font-weight:700}
.links{display:flex;gap:6px;margin-left:auto}
.links a{color:var(--txt2);font-size:14px;font-weight:500;padding:7px 13px;border-radius:8px;transition:.15s}
.links a:hover{color:var(--txt);background:rgba(255,255,255,.05)}
.gh-btn{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  padding:8px 15px;border-radius:9px;border:1px solid var(--line);color:var(--txt);
  background:rgba(255,255,255,.03);transition:.18s}
.gh-btn:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 22px rgba(140,255,255,.18)}

/* ---- Hero ---- */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  align-items:center;text-align:center;padding:120px 24px 60px;position:relative}
.hero-inner{max-width:880px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);
  padding:7px 16px;border:1px solid rgba(140,255,255,.25);border-radius:999px;
  background:rgba(140,255,255,.05);margin-bottom:30px;
}
h1{font-size:clamp(2.8rem,8vw,6rem);line-height:.98;font-weight:700;letter-spacing:-.02em;margin-bottom:26px}
.grad{
  background:linear-gradient(110deg,var(--cyan),var(--green) 40%,var(--purple) 70%,var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:220% auto;animation:shimmer 6s linear infinite;
}
@keyframes shimmer{to{background-position:220% center}}
.lede{font-size:clamp(1.05rem,2.3vw,1.35rem);color:var(--txt2);max-width:620px;margin:0 auto 38px}
.lede b{color:var(--txt)}
.cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{font-size:15px;font-weight:600;padding:14px 26px;border-radius:12px;
  transition:.2s;cursor:pointer;border:1px solid transparent;display:inline-flex;align-items:center;gap:8px}
.btn.primary{
  background:linear-gradient(110deg,var(--cyan),var(--green));color:#04201f;
  box-shadow:0 8px 30px rgba(140,255,255,.25);
}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(140,255,255,.4)}
.btn.ghost{border-color:var(--line);color:var(--txt);background:rgba(255,255,255,.03)}
.btn.ghost:hover{border-color:var(--purple);color:#fff;box-shadow:0 0 26px rgba(167,139,250,.22)}
.badges{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.badge{font-size:12.5px;color:var(--txt2);padding:6px 13px;border:1px solid var(--line);
  border-radius:999px;background:rgba(255,255,255,.02)}
.badge::before{content:"●";color:var(--green);margin-right:7px;font-size:8px;vertical-align:middle}

.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  width:22px;height:36px;border:2px solid var(--txt3);border-radius:12px}
.scroll-hint span{position:absolute;top:7px;left:50%;width:3px;height:7px;border-radius:2px;
  background:var(--cyan);transform:translateX(-50%);animation:scrolldot 1.6s ease-in-out infinite}
@keyframes scrolldot{0%{opacity:0;top:7px}40%{opacity:1}100%{opacity:0;top:18px}}

/* ---- Flow strip ---- */
.flow{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  padding:46px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.012)}
.flow-step{display:flex;align-items:baseline;gap:10px;transition-delay:var(--d)}
.flow-step .num{font-size:13px;font-weight:700;color:var(--cyan);font-variant-numeric:tabular-nums}
.flow-step .lbl{font-size:clamp(1rem,2vw,1.4rem);font-weight:600}
.flow-arrow{color:var(--txt3);font-size:1.2rem}

/* ---- Features ---- */
.feature{
  --accent:var(--cyan);
  display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center;
  max-width:1180px;margin:0 auto;padding:110px 40px;
}
.feature[data-accent="cyan"]   {--accent:var(--cyan);   --argb:140,255,255}
.feature[data-accent="green"]  {--accent:var(--green);  --argb:74,222,128}
.feature[data-accent="purple"] {--accent:var(--purple); --argb:167,139,250}
.feature[data-accent="magenta"]{--accent:var(--magenta);--argb:244,114,182}
.feature[data-accent="amber"]  {--accent:var(--amber);  --argb:251,191,36}
.feature.flip .f-text{order:2}
.f-tag{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin-bottom:18px}
.f-tag span{color:var(--txt3);font-weight:500;letter-spacing:.02em;text-transform:none;font-size:12px}
.f-text h2{font-size:clamp(1.8rem,3.6vw,2.7rem);line-height:1.08;letter-spacing:-.02em;margin-bottom:18px}
.f-text p{color:var(--txt2);font-size:1.05rem;margin-bottom:24px;max-width:480px}
.f-text ul{list-style:none;display:grid;gap:11px}
.f-text li{position:relative;padding-left:28px;color:var(--txt);font-size:.97rem}
.f-text li::before{content:"";position:absolute;left:0;top:8px;width:11px;height:11px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 12px rgba(var(--argb),.6)}

.shot-frame{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:#0c0c12;box-shadow:0 30px 80px rgba(0,0,0,.55);
  transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.shot-frame::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  border-radius:16px;box-shadow:inset 0 0 0 1px rgba(var(--argb),.18)}
.shot-frame::after{content:"";position:absolute;inset:-2px;z-index:-1;border-radius:18px;
  background:linear-gradient(130deg,rgba(var(--argb),.5),transparent 60%);filter:blur(22px);opacity:.7}
.f-shot:hover .shot-frame{transform:perspective(1000px) rotateY(-4deg) rotateX(2deg) translateY(-4px)}
.shot-frame img{width:100%;display:block}

/* ---- Feature gallery ---- */
.gallery{max-width:1180px;margin:0 auto;padding:60px 40px 30px;text-align:center}
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:34px;margin-top:24px;text-align:left}
.gcard{--accent:var(--cyan);--argb:140,255,255;margin:0}
.gcard[data-accent="cyan"]   {--accent:var(--cyan);   --argb:140,255,255}
.gcard[data-accent="green"]  {--accent:var(--green);  --argb:74,222,128}
.gcard[data-accent="purple"] {--accent:var(--purple); --argb:167,139,250}
.gcard[data-accent="magenta"]{--accent:var(--magenta);--argb:244,114,182}
.gcard .shot-frame{transition:transform .25s ease;display:flex;align-items:center;
  justify-content:center;background:#0c0c11;min-height:150px}
.gcard .shot-frame img{width:auto;max-width:100%;max-height:210px;display:block}
.gcard:hover .shot-frame{transform:translateY(-5px)}
.gcard figcaption{padding:18px 6px 0}
.gcard h3{font-size:1.15rem;letter-spacing:-.01em;margin-bottom:6px;color:var(--accent)}
.gcard figcaption p{color:var(--txt2);font-size:.97rem;line-height:1.55}

/* ---- Why / comparison ---- */
.why{max-width:920px;margin:40px auto;padding:80px 40px;text-align:center}
.section-title{font-size:clamp(2rem,5vw,3rem);letter-spacing:-.02em;margin-bottom:12px}
.section-sub{color:var(--txt2);margin-bottom:42px}
.table-wrap{border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:var(--panel);backdrop-filter:blur(8px)}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{padding:15px 16px;text-align:center;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:none}
.head th{font-family:'Space Grotesk';font-weight:600;color:var(--txt2);font-size:13px}
th.us,td.us{background:rgba(140,255,255,.06);color:var(--txt)}
.head th.us{color:var(--cyan)}
.rowlbl{text-align:left;color:var(--txt2);font-weight:500}
.yes{color:var(--green);font-weight:700}
.no{color:var(--txt3)}
.meh{color:var(--amber);font-size:12px}
.txt{color:var(--txt2)}

/* ---- Specs ---- */
.specs{display:flex;justify-content:center;gap:clamp(28px,6vw,90px);flex-wrap:wrap;
  padding:70px 40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.spec{display:flex;flex-direction:column;align-items:center;gap:4px}
.spec .big{font-family:'Space Grotesk';font-size:clamp(2.6rem,6vw,4rem);font-weight:700;line-height:1;
  background:linear-gradient(160deg,var(--cyan),var(--purple));-webkit-background-clip:text;
  background-clip:text;color:transparent}
.spec span:last-child{color:var(--txt2);font-size:14px}

/* ---- Final CTA ---- */
.final{padding:120px 40px;display:flex;justify-content:center}
.final-card{max-width:760px;text-align:center;padding:70px 48px;border-radius:24px;
  border:1px solid var(--line);position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(140,255,255,.07),rgba(167,139,250,.05))}
.final-card::after{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(circle at 50% 0%,rgba(140,255,255,.2),transparent 60%)}
.final-card h2{font-size:clamp(2rem,5vw,3.2rem);letter-spacing:-.02em;margin-bottom:18px}
.final-card p{color:var(--txt2);font-size:1.1rem;max-width:520px;margin:0 auto 32px}

/* ---- Footer ---- */
footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;
  padding:40px;border-top:1px solid var(--line)}
.foot-brand{display:flex;align-items:center;gap:9px;font-family:'Space Grotesk';font-weight:600}
.foot-brand img{height:22px}
.foot-brand b{color:var(--cyan)}
.foot-meta{display:flex;flex-direction:column;gap:3px;text-align:right;color:var(--txt3);font-size:13px}

/* ---- Reveal animation ---- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s, transform .8s}
.reveal.in{opacity:1;transform:none}

/* ---- Responsive ---- */
@media (max-width:820px){
  #nav{padding:14px 20px}
  .links{display:none}
  .feature{grid-template-columns:1fr;gap:36px;padding:70px 24px}
  .feature.flip .f-text{order:0}
  .f-text p{max-width:none}
  .gallery{padding:40px 24px 20px}
  .gallery-grid{grid-template-columns:1fr;gap:26px}
  .foot-meta{text-align:left}
  footer{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .grad{animation:none}
  #bg{display:none}
}