/* The Pulse Apps — Tide */
:root{
  --bg:#F7FAFF; --surface:#FFFFFF; --ink:#0B1B33; --muted:#4A5B75; --line:#DCE6F5;
  --blue:#2478E8; --blue-deep:#1066D2; --sky:#DDEBFF; --mint:#D9F5EE; --lilac:#ECE6FF;
  --live:#0E1A2E; --wp:#5B4CF0; --mail:#2478E8;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;letter-spacing:-0.025em;line-height:1.08;margin:0}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}
/* nav */
.nav{position:sticky;top:0;z-index:5;background:rgba(247,250,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;text-decoration:none}
.brand svg{width:28px;height:28px}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0;font-size:15px;color:var(--muted)}
.nav ul a{text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:12px 20px;font:600 15px/1 inherit;text-decoration:none;border:0;cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(36,120,232,.28)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-sm{padding:9px 14px;font-size:14px}
/* hero */
.hero{position:relative;padding:88px 0 40px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-200px -10% auto;height:720px;background:
 radial-gradient(520px 320px at 22% 40%,#CFE3FF 0,transparent 70%),
 radial-gradient(480px 300px at 78% 30%,#E4DCFF 0,transparent 70%),
 radial-gradient(420px 260px at 50% 75%,#D3F3EA 0,transparent 70%);z-index:-1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px}
.hero h1{font-size:clamp(40px,6.4vw,78px);margin:22px auto 18px;max-width:14ch}
.hero p.lead{font-size:clamp(18px,2vw,21px);color:var(--muted);max-width:40ch;margin:0 auto 30px}
.hero .ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.icons{display:flex;justify-content:center;gap:22px;margin:54px 0 0;flex-wrap:wrap}
.icons img{width:112px;height:112px;border-radius:26px;box-shadow:0 18px 40px rgba(16,40,90,.18)}
.icons img:nth-child(2){transform:translateY(-14px)}
/* products */
.section{padding:72px 0}
.section-head{text-align:center;margin-bottom:40px}
.section-head h2{font-size:clamp(30px,4vw,46px)}
.section-head p{color:var(--muted);margin:12px auto 0;max-width:46ch}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;display:flex;flex-direction:column;gap:16px;box-shadow:0 1px 0 rgba(16,40,90,.04),0 20px 50px -30px rgba(16,40,90,.25)}
.card img{width:72px;height:72px;border-radius:17px}
.card h3{font-size:28px}
.card .one{font-size:18px;color:var(--ink);margin:0;font-weight:500}
.card ul{margin:0;padding:0;list-style:none;color:var(--muted);font-size:15.5px;display:grid;gap:8px}
.card li{display:flex;gap:10px}
.card li::before{content:"";flex:0 0 7px;height:7px;border-radius:50%;margin-top:9px;background:var(--dot,var(--blue))}
.card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-top:8px;border-top:1px solid var(--line)}
.card .foot a.more{font-weight:600;font-size:15px;text-decoration:none;color:var(--blue)}
.card.mail{--dot:var(--mail)} .card.live{--dot:#E8453C} .card.wp{--dot:var(--wp)}
/* feature bands */
.band{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.band.flip{grid-template-columns:1.15fr 1fr}
.band.flip .copy{order:2}
.band .tag{display:flex;align-items:center;gap:12px;font-weight:600}
.band .tag img{width:44px;height:44px;border-radius:11px}
.band h3{font-size:clamp(28px,3.4vw,42px);margin:16px 0 14px}
.band p{color:var(--muted);margin:0 0 18px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;list-style:none}
.chips li{font-size:14px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px}
/* contact band */
.contact{background:linear-gradient(135deg,#E3EEFF,#EFE9FF 55%,#DDF5EE);border:1px solid var(--line);border-radius:32px;padding:56px 32px;text-align:center}
.contact h2{font-size:clamp(28px,4vw,44px)}
.contact p{color:var(--muted);margin:12px auto 24px;max-width:44ch}
/* later */
.later{display:flex;align-items:center;gap:18px;justify-content:center;flex-wrap:wrap;color:var(--muted);font-size:15px;padding:24px 0 8px}
.slots{display:flex;gap:10px}
.slots i{width:40px;height:40px;border-radius:11px;border:1.5px dashed #BFD0E8;background:rgba(255,255,255,.6)}
/* footer */
footer{border-top:1px solid var(--line);margin-top:64px;padding:36px 0 48px;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
footer a{text-decoration:none}
@media (max-width:900px){
  .cards{grid-template-columns:1fr}
  .band,.band.flip{grid-template-columns:1fr;gap:28px}
  .band.flip .copy{order:0}
  .nav ul{display:none}
}
@media (max-width:520px){
  .hero{padding-top:56px}
  .icons img{width:84px;height:84px;border-radius:20px}
  .contact{padding:40px 20px;border-radius:24px}
  .card{padding:22px}
}

/* desktop windows (rev 2) */
.stack{position:relative;max-width:1120px;margin:60px auto 0;height:690px}
.stack>div{position:absolute;width:78%}
.stack .s-back.l{left:0;top:0;transform:scale(.92);transform-origin:left top;opacity:.95}
.stack .s-back.r{right:0;top:20px;transform:scale(.92);transform-origin:right top;opacity:.95}
.stack .s-front{left:11%;top:110px;z-index:2}
.band,.band.flip{grid-template-columns:1fr;gap:28px}
.band .copy{display:grid;grid-template-columns:1fr 1fr;gap:8px 48px;align-items:start}
.band .copy .tag,.band .copy h3{grid-column:1}
.band .copy p,.band .copy .chips,.band .copy .ctas{grid-column:2}
.band .copy p{grid-row:1/3;align-self:end}
.band .copy .chips{grid-row:3;margin-bottom:12px}
.band .copy .ctas{grid-row:4}
.band .copy .tag{grid-row:1}
.band .copy h3{grid-row:2/5;align-self:start}
.band.flip .copy{order:0}
@media (max-width:900px){.stack{height:auto}.stack>div{position:static;width:100%;transform:none}.stack .s-back{display:none}.band .copy{display:block}}

/* rev 3 */
.shot{display:block;width:100%;height:auto;filter:drop-shadow(0 30px 50px rgba(20,30,60,.28)) drop-shadow(0 2px 6px rgba(20,30,60,.12))}
.band .ctas{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.note{font-size:14px;color:var(--muted);margin:16px auto 0}
.p-hero{padding:80px 0 30px;text-align:center;position:relative;overflow:hidden}
.p-hero::before{content:"";position:absolute;inset:-160px -10% auto;height:640px;background:radial-gradient(560px 320px at 50% 40%,#CFE3FF 0,transparent 70%),radial-gradient(380px 240px at 80% 60%,#E4DCFF 0,transparent 70%);z-index:-1}
.p-hero img.app{width:128px;height:128px;margin:0 auto 22px;border-radius:30px;box-shadow:0 20px 40px rgba(16,40,90,.2)}
.p-hero h1{font-size:clamp(40px,6vw,72px)}
.p-hero .lead{font-size:clamp(18px,2vw,22px);color:var(--muted);max-width:48ch;margin:16px auto 28px}
.p-hero .ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;align-items:center}
.p-hero .shot{max-width:1180px;margin:48px auto 0}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat div{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}
.feat h3{font-size:20px;margin-bottom:8px}
.feat p{margin:0;color:var(--muted);font-size:15.5px}
.priv{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.priv div{border-radius:18px;padding:20px;background:#EAF3FF;font-weight:600;font-size:15px}
.priv small{display:block;font-weight:400;color:var(--muted);margin-top:4px;font-size:14px}
.wide{max-width:1180px;margin:0 auto}
.also{max-width:760px;margin:28px auto 0;text-align:center;color:var(--muted);font-size:15.5px}
.prose{max-width:720px;margin:0 auto;padding:72px 0 24px}
.prose h1{font-size:clamp(36px,5vw,56px);margin-bottom:18px}
.prose h2{font-size:24px;margin:36px 0 10px}
.prose p,.prose li{color:var(--muted)}
.prose a{color:var(--blue);font-weight:600}
.small{font-size:12.5px;opacity:.85}
@media (max-width:900px){.feat{grid-template-columns:1fr}.priv{grid-template-columns:1fr 1fr}.band .copy{display:block}.band .ctas{margin-top:8px}}
@media (max-width:520px){.priv{grid-template-columns:1fr}.p-hero{padding-top:48px}.p-hero img.app{width:96px;height:96px;border-radius:22px}.nav .btn-sm{padding:8px 12px;font-size:13px}.brand{font-size:16px}}
.trial{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--blue-deep);background:#EAF3FF;border:1px solid #CFE2FB;border-radius:999px;padding:6px 12px;white-space:nowrap}
.trial::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue)}
.how{max-width:640px;margin:28px auto 0;text-align:center;color:var(--muted);font-size:15.5px}
.how b{color:var(--ink);font-weight:600}
.p-hero .how{margin-top:18px}

.contact .mailpill{margin-top:24px}

/* rev 4: brand tagline, nav, AI sections */
.bname{display:flex;flex-direction:column;line-height:1.1}
.bname em{font-style:italic;font-weight:400;font-size:11.5px;color:var(--muted);letter-spacing:0;margin-top:2px}
.nav .right{display:flex;align-items:center;gap:16px}
.nav .sup{font-size:13px;color:var(--muted);text-decoration:none}
.nav .sup:hover{color:var(--ink)}
.mnav{display:none}
.kick{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.ai-sec .section-head,.hl .section-head{max-width:760px;margin-left:auto;margin-right:auto}
.aigrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.aigrid div{background:linear-gradient(135deg,#EEF5FF,#F3EFFF);border:1px solid var(--line);border-radius:20px;padding:24px}
.aigrid h3{font-size:20px;margin-bottom:8px}
.aigrid p{margin:0;color:var(--muted);font-size:15.5px}
.also a{color:var(--blue);font-weight:600;text-decoration:none}
.hl{padding-top:0}
.feat div{display:flex;flex-direction:column}
.card .ailine{margin:0;display:flex;gap:10px;align-items:flex-start;font-size:15px;font-weight:600;color:var(--ink)}
.card .ailine span{flex:0 0 auto;font-size:11px;font-weight:700;letter-spacing:.04em;color:#fff;background:linear-gradient(135deg,#2478E8,#5B4CF0);border-radius:999px;padding:3px 8px;margin-top:1px}
.ai-head{display:flex;align-items:center;gap:18px;margin-bottom:28px}
.ai-head img{width:64px;height:64px;border-radius:15px}
.ai-head h2{font-size:clamp(26px,3.4vw,38px)}
.ai-head .kick{margin-bottom:4px}
.ai-head .btn{margin-left:auto}
.ai-app+.ai-app{padding-top:0}
footer .fbrand{display:flex;flex-direction:column;gap:8px}
footer .bname{font-weight:700;color:var(--ink);font-size:15px}
@media (max-width:900px){
  .mnav{display:flex;justify-content:center;gap:18px;padding:0 12px 10px;font-size:14px;color:var(--muted)}
  .mnav a{text-decoration:none;white-space:nowrap}
  .aigrid{grid-template-columns:1fr}
  .ai-head{flex-wrap:wrap}
  .ai-head .btn{margin-left:0}
}
@media (max-width:520px){
  .bname em{font-size:10.5px}
  .nav .right{gap:10px}
  .nav .sup{font-size:12.5px}
  .mnav{gap:14px;font-size:13px}
  .nav .wrap{height:58px}
}