/* ==========================================================================
   Nirro — shared styles
   Palette sampled from the app icon and store screenshots.
   ========================================================================== */

:root{
  /* brand — straight off the icon gradient */
  --blue-bright:#3E8BFF;
  --blue:#2F5BF0;
  --blue-700:#2447D6;
  --indigo:#131F8F;
  --indigo-950:#0B1250;
  --peri:#8E9BF7;

  /* surfaces */
  --lav-50:#EEF1FE;
  --surface:#F4F6FD;
  --white:#FFFFFF;

  /* ink */
  --ink:#101A4D;
  --muted:#5A659B;
  --line:rgba(16,26,77,.10);
  --line-light:rgba(255,255,255,.18);

  /* accents — used sparingly */
  --amber:#E9A03A;
  --green:#34C759;

  --grad-brand:linear-gradient(150deg,#3E8BFF 0%,#2F5BF0 46%,#131F8F 100%);
  --grad-soft:linear-gradient(160deg,#5E8CFF 0%,#8E9BF7 100%);

  --display:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --body:"Figtree",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;

  --gut:clamp(20px,5vw,56px);
  --maxw:1200px;
  --r:18px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--white);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--blue)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}

h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.03em;margin:0;line-height:1.04}
h1{font-size:clamp(2.4rem,5.4vw,4.1rem);font-weight:800}
h2{font-size:clamp(1.85rem,3.6vw,2.8rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700;letter-spacing:-.015em;line-height:1.25}
p{margin:0 0 1em}
.lede{font-size:clamp(1.05rem,1.5vw,1.22rem);line-height:1.55;max-width:36ch}
.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);display:block;
}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo img{width:32px;height:32px;border-radius:8px}
.logo b{font-family:var(--display);font-weight:800;font-size:1.22rem;letter-spacing:-.04em}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:.92rem;font-weight:500;text-decoration:none;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
@media(max-width:860px){.nav-links a:not(.btn){display:none}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--display);font-weight:700;font-size:.98rem;letter-spacing:-.01em;
  text-decoration:none;border:0;cursor:pointer;
  padding:13px 24px;border-radius:100px;
  background:var(--blue);color:#fff;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}
.btn:hover{background:var(--blue-700);transform:translateY(-2px);box-shadow:0 10px 24px -12px rgba(47,91,240,.8)}
.btn.on-dark{background:#fff;color:var(--indigo)}
.btn.on-dark:hover{background:var(--lav-50);box-shadow:0 12px 30px -14px rgba(0,0,0,.6)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--surface);box-shadow:none}
.btn.sm{padding:10px 18px;font-size:.9rem}
a:focus-visible,button:focus-visible{outline:3px solid var(--blue-bright);outline-offset:3px;border-radius:6px}

/* ---------- hero ---------- */
.hero{background:var(--grad-brand);color:#fff;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:auto -10% -55% -10%;height:60%;
  background:radial-gradient(ellipse at 50% 0%,rgba(142,155,247,.55),transparent 68%);
  pointer-events:none;
}
.hero .wrap{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(28px,5vw,64px);align-items:center;
  padding-top:clamp(50px,7vw,90px);padding-bottom:clamp(50px,7vw,90px);
}
@media(max-width:940px){.hero .wrap{grid-template-columns:1fr;text-align:left}}
.hero .eyebrow{color:rgba(255,255,255,.62)}
.hero h1{margin:.35em 0 0}
.hero .lede{color:rgba(255,255,255,.84);margin-top:1em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.8em}
.hero-note{font-family:var(--mono);font-size:11px;color:rgba(255,255,255,.6);margin-top:1.4em;line-height:1.8}

/* sparkles + glass chips, same language as the store screenshots */
.spark{position:absolute;pointer-events:none;opacity:.9}
.chip-float{
  position:absolute;border-radius:14px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(3px);
  display:grid;place-items:center;pointer-events:none;
}
@media(max-width:940px){.chip-float,.spark{display:none}}

/* ---------- phone mock ---------- */
.phone-wrap{display:flex;justify-content:center}
.phone{
  width:min(300px,80vw);aspect-ratio:300/608;
  background:#0A1030;border-radius:46px;padding:9px;
  box-shadow:0 40px 80px -30px rgba(5,10,50,.75),0 0 0 1px rgba(255,255,255,.14);
}
.screen{height:100%;border-radius:38px;overflow:hidden;background:var(--surface);display:flex;flex-direction:column}
.sc-top{background:linear-gradient(158deg,#3E8BFF,#1A2AA8 85%);color:#fff;padding:26px 20px 30px;flex:none}
.sc-hint{display:flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.84)}
.sc-hint span.dot{width:16px;height:16px;border-radius:50%;background:var(--amber);display:block;flex:none}
.sc-gb{font-family:var(--display);font-weight:800;font-size:38px;letter-spacing:-.04em;margin-top:12px;line-height:1}
.sc-gb small{font-size:15px;font-weight:600;opacity:.72;letter-spacing:-.01em}
.sc-bar{height:11px;border-radius:99px;background:rgba(255,255,255,.28);margin-top:14px;overflow:hidden}
.sc-bar i{display:block;height:100%;border-radius:99px;background:#fff;width:67%;transition:width 1.4s cubic-bezier(.3,.8,.3,1)}
.sc-legend{display:flex;gap:16px;font-size:11px;color:rgba(255,255,255,.78);margin-top:10px}
.sc-legend b{font-weight:500}
.sc-legend i{width:6px;height:6px;border-radius:50%;background:#fff;display:inline-block;margin-right:6px;vertical-align:middle}
.sc-legend i.o{background:rgba(255,255,255,.45)}

.sc-body{padding:12px;display:flex;flex-direction:column;gap:10px;flex:1;overflow:hidden}
.sc-card{background:#fff;border-radius:16px;padding:12px;box-shadow:0 6px 18px -12px rgba(16,26,77,.35)}
.sc-card header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}
.sc-card h4{font-size:14px;font-weight:700;font-family:var(--display)}
.sc-card em{font-style:normal;font-size:12px;color:var(--muted)}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.tiles i{display:block;aspect-ratio:1;border-radius:8px}
.sc-tabs{display:flex;justify-content:space-around;padding:12px 0 6px;background:#fff;border-top:1px solid var(--line);flex:none}
.sc-tabs i{width:19px;height:19px;border-radius:5px;background:rgba(16,26,77,.16);display:block}
.sc-tabs i.on{background:var(--blue)}

/* ---------- sections ---------- */
.section{padding:clamp(58px,8vw,110px) 0}
.section.tint{background:var(--surface)}
.section.dark{background:var(--grad-brand);color:#fff}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark p{color:rgba(255,255,255,.82)}
.section.dark .eyebrow{color:rgba(255,255,255,.58)}

.sec-head{max-width:640px;margin-bottom:clamp(30px,4.5vw,56px)}
.sec-head h2{margin:.3em 0 .35em}
.sec-head p{color:var(--muted);margin:0;font-size:1.05rem}
.section.dark .sec-head p{color:rgba(255,255,255,.8)}

/* ---------- storage strip (signature) ---------- */
.strip{
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:clamp(20px,3vw,34px);
  box-shadow:0 30px 60px -45px rgba(16,26,77,.6);
}
.strip-head{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:baseline;justify-content:space-between}
.strip-num{font-family:var(--display);font-weight:800;font-size:clamp(2rem,5vw,3.2rem);letter-spacing:-.04em;line-height:1}
.strip-num span{color:var(--blue)}
.strip-num small{font-size:.36em;font-weight:600;color:var(--muted);letter-spacing:-.01em}
.track{
  height:26px;border-radius:99px;background:var(--lav-50);margin:20px 0 16px;
  display:flex;overflow:hidden;
}
.track b{display:block;height:100%;width:0;transition:width 1.1s cubic-bezier(.25,.8,.3,1)}
.legend{display:flex;flex-wrap:wrap;gap:10px 22px}
.legend div{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--muted)}
.legend i{width:11px;height:11px;border-radius:4px;display:block;flex:none}
.legend b{color:var(--ink);font-weight:600}

/* ---------- feature cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,24px)}
@media(max-width:940px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-3{grid-template-columns:1fr}}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.4vw,28px)}
.section.tint .feat{box-shadow:0 18px 40px -34px rgba(16,26,77,.5)}
.feat .ico{
  width:46px;height:46px;border-radius:13px;background:var(--grad-brand);
  display:grid;place-items:center;margin-bottom:16px;
}
.feat .ico svg{width:23px;height:23px;stroke:#fff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.feat p{color:var(--muted);font-size:.95rem;margin:.5em 0 0}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,30px);counter-reset:s}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding-top:22px;border-top:2px solid rgba(255,255,255,.28)}
.step .n{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.6);display:block;margin-bottom:14px}
.step h3{margin-bottom:.45em}

/* ---------- privacy band ---------- */
.band{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:clamp(24px,5vw,60px);align-items:center}
@media(max-width:880px){.band{grid-template-columns:1fr}}
.shield{
  border-radius:24px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  padding:clamp(22px,3vw,34px);
}
.shield ul{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.shield li{display:flex;gap:12px;align-items:flex-start;font-size:.97rem;color:rgba(255,255,255,.9)}
.shield li svg{width:20px;height:20px;flex:none;margin-top:2px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- faq ---------- */
.faq{display:grid;gap:0;max-width:820px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;
  font-family:var(--display);font-weight:700;font-size:1.05rem;letter-spacing:-.015em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:1.4rem;font-weight:400;color:var(--blue);line-height:1;
}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin:0 0 20px;max-width:66ch;font-size:.97rem}

/* ---------- cta band ---------- */
.cta-band{text-align:center;padding:clamp(50px,7vw,90px) 0}
.cta-band .wrap{display:grid;justify-items:center;gap:8px}
.cta-band img{width:74px;height:74px;border-radius:18px;margin-bottom:10px;box-shadow:0 18px 40px -20px rgba(0,0,0,.6)}
.cta-band p{max-width:48ch}

/* ---------- footer ---------- */
.foot{background:var(--indigo-950);color:rgba(255,255,255,.72);padding:clamp(44px,6vw,72px) 0 34px;font-size:.93rem}
.foot a{color:rgba(255,255,255,.72);text-decoration:none}
.foot a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
@media(max-width:840px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot h4{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.42);font-weight:400;margin-bottom:14px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot .logo b{color:#fff}
.foot .about{color:rgba(255,255,255,.6);max-width:34ch;margin-top:14px;font-size:.9rem}
.foot .fill{color:var(--amber)}
.colophon{
  margin-top:clamp(32px,4vw,52px);padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:.82rem;color:rgba(255,255,255,.5);
}

/* ---------- legal pages ---------- */
.page-head{background:var(--surface);border-bottom:1px solid var(--line);padding:clamp(40px,6vw,72px) 0 clamp(30px,4vw,48px)}
.page-head h1{font-size:clamp(2rem,4.4vw,3.1rem)}
.page-head .meta{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--muted);margin-top:16px}
.legal{display:grid;grid-template-columns:230px minmax(0,1fr);gap:clamp(28px,5vw,64px);padding:clamp(40px,5vw,72px) 0 clamp(60px,8vw,110px)}
@media(max-width:900px){.legal{grid-template-columns:1fr}}
.toc{position:sticky;top:90px;align-self:start;font-size:.88rem}
@media(max-width:900px){.toc{position:static;border-bottom:1px solid var(--line);padding-bottom:24px}}
.toc h4{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:400;margin-bottom:14px}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:8px;counter-reset:t}
.toc a{color:var(--muted);text-decoration:none;display:block}
.toc a:hover{color:var(--blue)}
.prose{max-width:72ch}
.prose h2{font-size:clamp(1.3rem,2.4vw,1.65rem);margin:2.2em 0 .7em;scroll-margin-top:90px}
.prose h2:first-child{margin-top:0}
.prose h3{margin:1.6em 0 .5em;font-size:1.05rem}
.prose p,.prose li{color:#2A3468;font-size:1rem;line-height:1.72}
.prose ul,.prose ol{padding-left:1.2em;margin:0 0 1.2em}
.prose li{margin-bottom:.5em}
.prose .fill{background:#FFF4E0;color:#8A5A10;padding:1px 7px;border-radius:5px;font-family:var(--mono);font-size:.82em;white-space:nowrap}
.callout{background:var(--lav-50);border-left:3px solid var(--blue);border-radius:0 12px 12px 0;padding:18px 22px;margin:1.6em 0}
.callout p{margin:0;font-size:.95rem}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.93rem}
.prose th,.prose td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-family:var(--display);font-weight:700;font-size:.85rem;color:var(--ink)}
.prose td{color:#2A3468}

/* ---------- support page ---------- */
.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,24px)}
@media(max-width:880px){.support-grid{grid-template-columns:1fr}}
.contact-card{background:var(--grad-brand);color:#fff;border-radius:24px;padding:clamp(24px,3.4vw,40px);display:grid;gap:6px}
.contact-card h2{color:#fff}
.contact-card a.mail{
  font-family:var(--display);font-weight:800;font-size:clamp(1.1rem,2.6vw,1.7rem);
  color:#fff;text-decoration:none;letter-spacing:-.03em;word-break:break-all;
}
.contact-card a.mail:hover{text-decoration:underline}
.contact-card p{color:rgba(255,255,255,.82);margin:0}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
}

/* ---------- hero icon ---------- */
.hero-icon{
  width:64px;height:64px;border-radius:16px;margin-bottom:20px;
  box-shadow:0 16px 34px -18px rgba(5,10,50,.85);
}
@media(max-width:940px){.hero-icon{width:56px;height:56px;margin-bottom:16px}}