/* ============================================================
   secureMobile — public frontend
   Design system: "Diagnostic Ink"
   ink navy (trust) + repair coral (action) + serviceable mint
   Display: Space Grotesk · Body: Inter · Data: IBM Plex Mono
   ============================================================ */

:root{
  --ink:#12183A;          /* primary deep navy */
  --ink-2:#1C2550;        /* raised navy */
  --slate:#2A3352;        /* body text on light */
  --muted:#6B7391;        /* secondary text */
  --line:#E4E7F2;         /* hairlines */
  --paper:#F5F6FA;        /* app background */
  --white:#FFFFFF;
  --coral:#FF6B4A;        /* action / broken-phone energy */
  --coral-d:#E85539;
  --mint:#12B981;         /* serviceable / verified / fixed */
  --amber:#FFB020;        /* stars, highlights */
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 40px -12px rgba(18,24,58,.18);
  --shadow-sm:0 4px 16px -6px rgba(18,24,58,.16);
  --maxw:1160px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--slate);background:var(--paper);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:"Space Grotesk","Inter",sans-serif;color:var(--ink);margin:0;line-height:1.12;letter-spacing:-.02em}
.mono{font-family:"IBM Plex Mono","SF Mono",monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--coral);font-weight:600}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  padding:13px 22px;border-radius:12px;border:0;cursor:pointer;transition:.18s;font-family:inherit}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px -8px rgba(255,107,74,.7)}
.btn-primary:hover{background:var(--coral-d);transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:#fff}
.btn-block{width:100%;justify-content:center}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(245,246,250,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk";font-weight:700;font-size:20px;color:var(--ink)}
.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--ink);display:grid;place-items:center;color:var(--coral);font-size:19px}
.brand b{color:var(--coral)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--slate)}
.nav-links a:hover{color:var(--coral)}
.nav-cta{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer}

/* hero */
.hero{padding:56px 0 40px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,56px);font-weight:700}
.hero h1 .fix{color:var(--coral);position:relative;white-space:nowrap}
.hero p.lead{font-size:18px;color:var(--muted);margin:20px 0 28px;max-width:520px}
.trust-row{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px}
.trust-row .t{display:flex;flex-direction:column}
.trust-row .t b{font-family:"Space Grotesk";font-size:24px;color:var(--ink)}
.trust-row .t span{font-size:12.5px;color:var(--muted)}

/* signature: diagnostic console card */
.console{background:var(--ink);border-radius:20px;padding:8px;box-shadow:var(--shadow);position:relative}
.console-bar{display:flex;align-items:center;gap:7px;padding:12px 14px}
.console-bar i{width:11px;height:11px;border-radius:50%;background:#3a4373;display:block}
.console-bar i:first-child{background:var(--coral)}
.console-bar .cid{margin-left:auto;font-family:"IBM Plex Mono";font-size:11px;color:#6f79ad;letter-spacing:.1em}
.console-body{background:#fff;border-radius:14px;padding:22px}
.console-body h3{font-size:19px;margin-bottom:4px}
.console-body .sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--slate);margin-bottom:6px;letter-spacing:.02em}
.field select,.field input{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;
  font-family:inherit;font-size:14.5px;color:var(--ink);background:#fff;transition:.15s}
.field select:focus,.field input:focus{outline:0;border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,107,74,.14)}
.pincode-row{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:end}
.pin-status{font-family:"IBM Plex Mono";font-size:12px;margin-top:8px;min-height:16px}
.pin-status.ok{color:var(--mint)}
.pin-status.bad{color:var(--coral-d)}
.chip-serviceable{display:inline-flex;align-items:center;gap:6px;background:rgba(18,185,129,.1);color:var(--mint);
  font-family:"IBM Plex Mono";font-size:11px;font-weight:600;padding:4px 10px;border-radius:20px}

/* section shells */
section.blk{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(26px,3.4vw,36px)}
.sec-head p{color:var(--muted);margin:8px 0 0;max-width:520px}

/* how it works — real sequence, so numbered */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step .n{font-family:"IBM Plex Mono";font-size:13px;color:var(--coral);font-weight:600;letter-spacing:.1em}
.step h4{font-size:17px;margin:14px 0 8px}
.step p{font-size:14px;color:var(--muted);margin:0}
.step .ic{font-size:26px;position:absolute;top:22px;right:22px;opacity:.9}

/* category / brand grid */
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#d5d9e8}
.card .thumb{aspect-ratio:16/10;background:var(--paper);display:grid;place-items:center;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:16px}
.card .body h4{font-size:15.5px}
.card .body span{font-size:12.5px;color:var(--muted)}

.pill-row{display:flex;gap:10px;flex-wrap:wrap}
.pill{background:#fff;border:1px solid var(--line);border-radius:30px;padding:9px 16px;font-size:14px;font-weight:500;color:var(--slate);transition:.15s;cursor:pointer}
.pill:hover{border-color:var(--coral);color:var(--coral)}

/* shops / sellers */
.shop{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.shop .logo{width:60px;height:60px;border-radius:12px;background:var(--paper);flex:0 0 60px;display:grid;place-items:center;font-family:"Space Grotesk";font-weight:700;color:var(--ink);font-size:22px}
.shop h4{font-size:16px}
.shop .meta{font-size:13px;color:var(--muted);margin-top:2px}
.badge{display:inline-block;font-size:10.5px;font-family:"IBM Plex Mono";font-weight:600;padding:3px 8px;border-radius:6px;letter-spacing:.04em}
.badge.prem{background:rgba(255,176,32,.15);color:#B87400}
.badge.feat{background:rgba(255,107,74,.12);color:var(--coral-d)}

/* empty state (design as invitation) */
.empty{background:#fff;border:1.5px dashed var(--line);border-radius:var(--radius);padding:44px 30px;text-align:center}
.empty .ic{font-size:38px;margin-bottom:10px}
.empty h4{font-size:18px;margin-bottom:6px}
.empty p{color:var(--muted);margin:0 auto 18px;max-width:420px;font-size:14.5px}

/* testimonials */
.tgrid-quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.quote .stars{color:var(--amber);font-size:15px;letter-spacing:2px}
.quote p{font-size:14.5px;color:var(--slate);margin:14px 0 16px}
.quote .who{display:flex;align-items:center;gap:11px}
.quote .who .av{width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:600;font-family:"Space Grotesk"}
.quote .who b{font-size:14px;color:var(--ink);display:block}
.quote .who span{font-size:12px;color:var(--muted)}

/* blog */
.grid-blog{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.18s}
.post:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.post .thumb{aspect-ratio:16/9;background:var(--ink)}
.post .body{padding:18px}
.post .date{font-family:"IBM Plex Mono";font-size:11.5px;color:var(--coral);letter-spacing:.06em}
.post h4{font-size:16.5px;margin:8px 0}

/* CTA band */
.cta-band{background:var(--ink);border-radius:24px;padding:52px 40px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 200px at 80% -20%,rgba(255,107,74,.35),transparent)}
.cta-band h2{color:#fff;font-size:clamp(26px,3.4vw,38px);position:relative}
.cta-band p{color:#aeb6dd;margin:12px auto 26px;max-width:480px;position:relative}
.cta-band .btn-row{position:relative;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* footer */
footer.site{background:var(--ink);color:#aeb6dd;padding:56px 0 26px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
footer .brand{color:#fff}
footer .brand .mark{background:#fff}
footer h5{color:#fff;font-family:"Space Grotesk";font-size:14px;margin:0 0 14px;letter-spacing:.04em}
footer a{display:block;font-size:14px;padding:5px 0;color:#aeb6dd}
footer a:hover{color:var(--coral)}
.foot-about{font-size:14px;line-height:1.7;margin:16px 0}
.foot-bottom{border-top:1px solid #26305f;margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}
.foot-contact{font-family:"IBM Plex Mono";font-size:13px}
.foot-contact a{display:inline;color:#fff}

/* generic page hero */
.page-hero{background:var(--ink);color:#fff;padding:52px 0}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,42px)}
.page-hero .crumb{font-family:"IBM Plex Mono";font-size:12px;color:#8b93c4;letter-spacing:.08em;margin-bottom:10px}
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;font-size:15.5px;line-height:1.8}
.prose h2,.prose h3{margin:22px 0 10px}

/* whatsapp float */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;
  background:var(--mint);color:#fff;display:grid;place-items:center;font-size:28px;box-shadow:var(--shadow);transition:.18s}
.wa-float:hover{transform:scale(1.08)}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:.6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* responsive */
@media(max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .tgrid-quotes,.grid-blog{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    padding:16px 20px;gap:6px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .nav-links.open a{padding:10px 0;width:100%}
  .burger{display:block}
  .nav-cta .btn-ghost{display:none}
  .grid-cards{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  section.blk{padding:44px 0}
  .cta-band{padding:38px 22px}
}

/* ============================================================
   UI MODERNIZATION LAYER
   ============================================================ */

/* hero backdrop: soft grid + glow, disciplined */
.hero{position:relative}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:44px 44px;-webkit-mask-image:radial-gradient(560px 340px at 72% 30%,#000,transparent);
          mask-image:radial-gradient(560px 340px at 72% 30%,#000,transparent);opacity:.55}
.console{position:relative}
.console::after{content:"";position:absolute;inset:-40px -30px auto auto;width:220px;height:220px;z-index:-1;
  background:radial-gradient(circle,rgba(255,107,74,.28),transparent 65%);filter:blur(8px)}

/* verified chip pulse on hero stats */
.trust-row .t b{position:relative}

/* WHY US — feature tiles */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#d5d9e8}
.feature .fic{width:46px;height:46px;border-radius:12px;background:var(--ink);color:var(--coral);display:grid;place-items:center;font-size:22px;margin-bottom:16px}
.feature h4{font-size:17px;margin-bottom:8px}
.feature p{font-size:14px;color:var(--muted);margin:0}

/* coverage stat band */
.coverage{background:linear-gradient(120deg,var(--ink),#1a2350);border-radius:24px;padding:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;overflow:hidden}
.coverage::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 180px at 15% -30%,rgba(255,107,74,.25),transparent)}
.cov{position:relative;text-align:center;color:#fff}
.cov b{font-family:"Space Grotesk";font-size:clamp(28px,4vw,40px);display:block;line-height:1}
.cov span{font-size:13px;color:#aeb6dd;margin-top:6px;display:block}

/* sticky mobile action bar */
.mobile-bar{display:none}
@media(max-width:640px){
  .mobile-bar{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom))}
  .mobile-bar .btn{padding:12px;font-size:14.5px}
  .wa-float{bottom:78px}
  body{padding-bottom:70px}
  .features{grid-template-columns:1fr}
  .coverage{grid-template-columns:1fr 1fr;padding:28px 20px}
}
@media(max-width:920px){.features{grid-template-columns:1fr}.coverage{grid-template-columns:1fr 1fr}}