/* ==========================================================================
   RefuseRadar — Marketing site
   Palette lifted from the product's own design tokens (grey / off-white):
   --brand:#6B7280 --brand-pressed:#4B5563 --secondary:#0EA5E9
   ========================================================================== */

:root{
  --bg-canvas:#FAFAF9;
  --bg-surface:#FFFFFF;
  --bg-raised:#FFFFFF;
  --bg-sunken:#F1F0EE;
  --border:#E7E5E4;
  --border-strong:#D6D3D1;
  --text:#1C1917;
  --text-2:#57534E;
  --text-3:#A8A29E;
  --brand:#6B7280;
  --brand-pressed:#4B5563;
  --brand-light:#9CA3AF;
  --secondary:#0EA5E9;
  --secondary-dark:#0369A1;
  --danger:#DC2626;
  --warning:#F59E0B;
  --success:#22C55E;
  --shadow-sm:0 1px 3px rgba(28,25,23,0.06);
  --shadow:0 8px 24px rgba(28,25,23,0.08);
  --shadow-lg:0 24px 60px -12px rgba(28,25,23,0.22);
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:24px;
  --container:1160px;
  --ease:cubic-bezier(0.16,1,0.3,1);
  --ease-bounce:cubic-bezier(0.34,1.56,0.64,1);
}

*,*::before,*::after{box-sizing:border-box}
/* Smooth-scroll is driven by main.js (eased, nav-offset aware) so JS handles
   anchor navigation; this stays as a no-JS fallback only. */
html{scroll-behavior:smooth}
html.js-scroll{scroll-behavior:auto}
body{
  margin:0;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg-canvas);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
section{position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand-pressed);
  background:rgba(107,114,128,0.1);
  border:1px solid rgba(107,114,128,0.18);
  padding:6px 14px;border-radius:999px;
}
.eyebrow.blue{color:var(--secondary-dark);background:rgba(14,165,233,0.08);border-color:rgba(14,165,233,0.18)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.02em;color:var(--text)}
p{margin:0;color:var(--text-2);line-height:1.6}
.section-head{max-width:640px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(28px,4vw,40px);margin-top:14px}
.section-head p{font-size:16.5px;margin-top:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:999px;border:none;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-pressed));color:#fff;box-shadow:0 10px 24px -8px rgba(75,85,99,0.55)}
.btn-primary:hover{box-shadow:0 14px 30px -8px rgba(75,85,99,0.65);transform:translateY(-1px)}
.btn-secondary{background:var(--bg-surface);color:var(--text);border:1.5px solid var(--border-strong)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand-pressed);transform:translateY(-1px)}
.btn-ghost{background:none;color:var(--text-2);border:1.5px solid var(--border)}
.btn-ghost:hover{border-color:var(--text-3);color:var(--text)}
.btn-sm{height:42px;padding:0 18px;font-size:13.5px}

/* ---------------------------- Reveal-on-scroll --------------------------- */
/* Opacity settles quickly and linearly; transform gets a "back out" curve
   that overshoots slightly past its resting place, so content lands with a
   light, springy bounce rather than a flat slide. */
[data-reveal]{
  opacity:0;transform:translateY(34px) scale(.96);
  transition:opacity .55s cubic-bezier(.22,.61,.36,1), transform 1s var(--ease-bounce);
  will-change:transform,opacity;
}
[data-reveal].is-visible{opacity:1;transform:translateY(0) scale(1)}
[data-reveal="left"]{transform:translateX(-52px) scale(.97)}
[data-reveal="left"].is-visible{transform:translateX(0) scale(1)}
[data-reveal="right"]{transform:translateX(52px) scale(.97)}
[data-reveal="right"].is-visible{transform:translateX(0) scale(1)}
[data-reveal="scale"]{transform:scale(.86)}
[data-reveal="scale"].is-visible{transform:scale(1)}
@media (prefers-reduced-motion: reduce){
  [data-reveal]{opacity:1!important;transform:none!important;transition:none!important}
  *{animation-duration:.001s!important;animation-iteration-count:1!important}
}

/* ================================ NAV ==================================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:14px 0;
  background:rgba(250,250,249,0.72);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.nav.scrolled{border-bottom-color:var(--border);box-shadow:0 4px 20px rgba(28,25,23,0.05)}
.nav .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand img{width:30px;height:30px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-2);
  transition:background .15s ease,color .15s ease;
}
.nav-links a:hover{background:var(--bg-sunken);color:var(--text)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1.5px solid var(--border);background:var(--bg-surface);align-items:center;justify-content:center;cursor:pointer}

/* ================================ HERO ==================================== */
.hero{
  padding:168px 0 100px;
  background:
    radial-gradient(1100px 480px at 82% -8%, rgba(107,114,128,0.14), transparent 60%),
    radial-gradient(700px 420px at 8% 6%, rgba(14,165,233,0.08), transparent 60%),
    var(--bg-canvas);
  overflow:hidden;
}
.hero .container{display:grid;grid-template-columns:1.05fr 0.95fr;gap:40px;align-items:center}
.hero-copy h1{font-size:clamp(34px,5vw,54px);line-height:1.06}
.hero-copy .eyebrow{margin-bottom:20px}
.hero-copy p.lead{font-size:18px;margin-top:20px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.store-badges{margin-top:28px}
.store-badges-label{display:block;font-size:12.5px;font-weight:600;color:var(--text-3);margin-bottom:10px}
.store-badges-row{display:flex;flex-wrap:wrap;gap:12px}
.store-badge{
  display:flex;align-items:center;gap:10px;height:50px;padding:0 16px;border-radius:12px;
  background:#111;color:#fff;border:1px solid #111;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.store-badge:hover{transform:translateY(-2px);box-shadow:0 10px 22px -8px rgba(0,0,0,0.4);background:#000}
.store-badge:active{transform:translateY(0) scale(.98)}
.store-badge span{display:flex;flex-direction:column;line-height:1.15}
.store-badge i{font-style:normal;font-size:10px;color:#c9c6c1}
.store-badge b{font-size:14.5px;font-weight:700;letter-spacing:-0.01em}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px}
.hero-trust div{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text-2)}
.hero-trust svg{flex:0 0 auto;color:var(--brand)}

.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:640px}
.hero-visual .glow{
  position:absolute;inset:-60px;border-radius:50%;
  background:radial-gradient(closest-side, rgba(107,114,128,0.22), transparent 70%);
  filter:blur(10px);
}
.hero-device-wrap{
  position:relative;z-index:2;
  animation:heroFloat 6s ease-in-out infinite;
}
.hero-ring{
  position:absolute;border-radius:50%;border:1px solid var(--border-strong);
  animation:ringPulse 5s ease-in-out infinite;
}
.hero-ring.r1{width:520px;height:520px;animation-delay:0s}
.hero-ring.r2{width:420px;height:420px;animation-delay:.6s}
.hero-ring.r3{width:320px;height:320px;animation-delay:1.2s}
@keyframes heroFloat{0%,100%{transform:translateY(0) rotate(-1.2deg)}50%{transform:translateY(-16px) rotate(1deg)}}
@keyframes ringPulse{0%,100%{opacity:.35;transform:scale(1)}50%{opacity:.9;transform:scale(1.02)}}

.hero-badge-float{
  position:absolute;background:var(--bg-surface);border:1px solid var(--border);
  border-radius:16px;padding:12px 16px;box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:10px;z-index:3;
  animation:badgeFloat 4.5s ease-in-out infinite;
}
.hero-badge-float.b1{top:12%;left:-2%;animation-delay:.2s}
.hero-badge-float.b2{bottom:16%;right:-4%;animation-delay:1s}
@keyframes badgeFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-badge-float .ic{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:#fff}
.hero-badge-float .ic.green{background:linear-gradient(135deg,var(--success),#15803d)}
.hero-badge-float .ic.amber{background:linear-gradient(135deg,var(--warning),#b45309)}
.hero-badge-float .t1{font-size:12.5px;font-weight:700;color:var(--text)}
.hero-badge-float .t2{font-size:11px;color:var(--text-3)}

/* ============================ DEVICE MOCKUP =============================== */
.ios-device{
  width:272px;height:558px;border-radius:44px;position:relative;overflow:hidden;
  background:#000;
  box-shadow:0 46px 90px -20px rgba(28,25,23,0.35), 0 0 0 1.5px rgba(0,0,0,0.08);
}
.ios-device .screen{
  position:absolute;inset:9px;border-radius:36px;overflow:hidden;background:var(--bg-canvas);
}
.ios-device .island{
  position:absolute;top:16px;left:50%;transform:translateX(-50%);
  width:82px;height:24px;border-radius:16px;background:#000;z-index:50;
}
.ios-device .home-ind{
  position:absolute;bottom:8px;left:50%;transform:translateX(-50%);
  width:100px;height:4px;border-radius:100px;background:rgba(0,0,0,0.28);z-index:60;
}
.ios-device .statusbar{
  position:absolute;top:0;left:0;right:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px 0;font-size:13px;font-weight:600;color:var(--text);
}
.ios-device .statusbar .icons{display:flex;align-items:center;gap:5px;color:var(--text)}
.ios-device .statusbar .icons svg{display:block}
.ios-device.dark .statusbar .icons{color:#fff}
.ios-device.sm .statusbar .icons{gap:4px}
.ios-device.sm .statusbar .icons svg{transform:scale(.92)}
.ios-device.dark .statusbar{color:#fff}
.ios-device.dark .screen{background:#15181a}
/* The map screen's background is a literal light green (real map tiles
   don't reflect OS theme) with no card behind the status bar, so its time/
   icon color must be pinned dark regardless of --text — otherwise OS dark
   mode flips it near-white and it disappears into the light map. */
.ios-device:has(.scr-map) .statusbar,
.ios-device:has(.scr-map) .statusbar .icons{color:#1C1917}

/* Small showcase-scale variant so 9 mockups don't overwhelm the layout */
.ios-device.sm{width:246px;height:504px;border-radius:38px}
.ios-device.sm .screen{inset:8px;border-radius:31px}
.ios-device.sm .island{top:13px;width:70px;height:20px;border-radius:14px}
.ios-device.sm .home-ind{width:90px}

/* =============================== STAT BAR ================================= */
.statbar{padding:44px 0;background:var(--bg-surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.statbar .container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:0 8px}
.stat .num{font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--brand-pressed);letter-spacing:-.02em}
.stat .lbl{font-size:13px;color:var(--text-2);margin-top:6px;font-weight:600}

/* ============================== HOW IT WORKS =============================== */
.how{padding:110px 0}
.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.how-card{
  background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:32px 28px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.how-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--border-strong)}
.how-icon{
  width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  color:#fff;margin-bottom:20px;
}
.how-card h3{font-size:19px;margin-bottom:10px}
.how-card p{font-size:14.5px}
.how-step{font-size:12px;font-weight:700;color:var(--text-3);letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;display:block}

/* ============================ PRODUCT SHOWCASE ============================= */
.showcase{padding:60px 0 120px}
.showcase-row{
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;align-items:center;
  padding:70px 0;
}
.showcase-row:not(:last-child){border-bottom:1px solid var(--border)}
.showcase-row.reverse{grid-template-columns:1.1fr 0.9fr}
.showcase-row.reverse .showcase-copy{order:2}
.showcase-row.reverse .showcase-visual{order:1}
.showcase-copy .num{
  font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.08em;text-transform:uppercase;
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.showcase-copy .num svg{flex:0 0 auto}
.showcase-copy h3{font-size:clamp(22px,2.6vw,28px);margin-bottom:14px}
.showcase-copy p{font-size:15.5px;margin-bottom:20px}
.showcase-feature-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.showcase-feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2)}
.showcase-feature-list svg{flex:0 0 auto;margin-top:2px;color:var(--brand)}
.showcase-visual{display:flex;justify-content:center;position:relative}
.showcase-visual .device-glow{
  position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(closest-side, rgba(107,114,128,0.16), transparent 72%);
  z-index:0;
}

/* --- inner "screenshot" content shared styles --- */
.scr{position:absolute;inset:0;display:flex;flex-direction:column;background:var(--bg-canvas)}
.scr .pad{padding:52px 16px 16px}
.scr .row{display:flex;align-items:center;justify-content:space-between}
.scr h4{font-size:17px;margin:0;color:var(--text)}
.scr .muted{color:var(--text-3);font-size:11px}
.scr .card{background:var(--bg-surface);border:1px solid var(--border);border-radius:14px}
.scr .chip{font-size:10.5px;font-weight:700;padding:4px 9px;border-radius:999px}
.scr .avatar{border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;flex:0 0 auto}
.scr .tabbar{
  position:absolute;left:8px;right:8px;bottom:26px;background:rgba(255,255,255,0.9);
  backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:20px;
  display:flex;justify-content:space-around;padding:9px 4px;box-shadow:var(--shadow-sm);
}
.scr .tabbar .tab{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:8.5px;font-weight:700;color:var(--text-3)}
.scr .tabbar .tab.active{color:var(--brand)}
.scr .tabbar svg{width:16px;height:16px}

/* Welcome screen */
.scr-welcome{background:linear-gradient(160deg,#4B5563 0%,#6B7280 45%,#9CA3AF 100%);color:#fff;justify-content:flex-end;padding:30px 22px 40px}
.scr-welcome .rings{position:absolute;top:60px;left:50%;transform:translateX(-50%);width:220px;height:220px}
.scr-welcome .rings i{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:block}
.scr-welcome .rings i:nth-child(1){inset:0}
.scr-welcome .rings i:nth-child(2){inset:30px}
.scr-welcome .rings i:nth-child(3){inset:60px}
.scr-welcome .rings i:nth-child(4){inset:90px;border:none;background:rgba(255,255,255,.16)}
.scr-welcome h2{font-size:24px;line-height:1.2;font-weight:800;margin:0 0 10px;position:relative;color:#fff}
.scr-welcome p{color:rgba(255,255,255,.88);font-size:13px;position:relative;margin-bottom:18px}
.scr-welcome .cta{position:relative;height:42px;border-radius:999px;background:#fff;color:var(--brand-pressed);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}

/* Map / Home screen */
.scr-map{background:linear-gradient(160deg,#e4f0e8 0%,#cfe6de 45%,#d9ecdf 100%)}
.scr-map .map-grid{position:absolute;inset:0;opacity:.55}
.scr-map .pin{position:absolute;width:26px;height:26px;border-radius:50% 50% 50% 0;transform:rotate(45deg);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(0,0,0,.25)}
.scr-map .pin span{transform:rotate(-45deg);color:#fff;font-size:10px;font-weight:800}
.scr-map .topbar{position:absolute;top:44px;left:14px;right:14px;display:flex;justify-content:space-between}
.scr-map .pill-card{background:var(--bg-surface);border-radius:16px;padding:9px 13px;box-shadow:var(--shadow);display:flex;align-items:center;gap:8px}
.scr-map .fab{
  position:absolute;left:50%;bottom:108px;transform:translateX(-50%);
  height:44px;padding:0 18px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand-pressed));
  color:#fff;display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;box-shadow:0 10px 22px -6px rgba(75,85,99,.6);
}
.scr-map .sheet{position:absolute;left:0;right:0;bottom:0;background:var(--bg-surface);border-radius:20px 20px 0 0;box-shadow:0 -8px 24px rgba(0,0,0,.08);padding:10px 14px 66px}

/* Severe / Cleanest list */
.scr-list .pad{padding-top:52px}
.seg{display:flex;gap:4px;background:var(--bg-canvas);border:1px solid var(--border);border-radius:10px;padding:3px;margin:12px 0}
.seg span{flex:1;text-align:center;font-size:11px;font-weight:700;padding:7px 0;border-radius:8px;color:var(--text-2);white-space:nowrap}
.seg span.on{background:var(--brand);color:#fff}
.scr-list .rows{padding:0 16px}
.scr-list .r{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}
.scr-list .rank{width:18px;font-size:11px;font-weight:700;color:var(--text-3)}
.scr-list .dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto}
.scr-list .name{font-size:12px;font-weight:700;color:var(--text)}
.scr-list .meta{font-size:10px;color:var(--text-3)}

/* Report Detail (near, scored) */
.scr-detail .photo{height:150px;position:relative;background:linear-gradient(135deg,#7d8a97,#4B5563)}
.scr-detail .photo .badge{position:absolute;bottom:10px;left:12px;font-size:10px;font-weight:700;color:#fff;background:rgba(0,0,0,.45);padding:5px 10px;border-radius:999px}
.scr-detail .body{padding:14px 16px}
.scr-detail .score-row{margin-bottom:10px}
.scr-detail .score-row .lbl{display:flex;justify-content:space-between;font-size:10.5px;color:var(--text);margin-bottom:4px}
.scr-detail .bar{height:6px;border-radius:999px;background:linear-gradient(90deg,#22C55E,#F59E0B,#DC2626);position:relative}
.scr-detail .bar i{position:absolute;top:-2px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--text);transform:translateX(-50%)}
.scr-detail .pt-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border)}
.scr-detail .pt-ic{width:28px;height:28px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:13px;flex:0 0 auto}
.scr-detail .pt-row b{font-size:11px;font-weight:700;color:var(--text)}
.scr-detail .pt-row span{font-size:9.5px;color:var(--text-2);margin-left:4px}

/* Area Detail (far / view-only) */
.scr-area .photo{height:130px;position:relative;background:linear-gradient(135deg,#8b95a1,#5b6572)}
.scr-area .viewonly{position:absolute;top:10px;right:10px;background:rgba(0,0,0,.5);color:#fff;font-size:9px;font-weight:700;padding:4px 9px;border-radius:999px}
.scr-area .notice{margin:14px 16px;padding:10px 12px;border-radius:10px;background:var(--bg-surface);border:1px solid var(--border);font-size:10.5px;color:var(--text-2)}

/* Validate request */
.scr-validate .avatars{display:flex;gap:14px;padding:16px;overflow:hidden}
.scr-validate .av-item{display:flex;flex-direction:column;align-items:center;gap:5px;flex:0 0 auto}
.scr-validate .av-item .avatar{width:44px;height:44px;background:#9CA3AF;color:#374151;font-size:13px}
.scr-validate .av-item.sel .avatar{outline:2.5px solid var(--brand);outline-offset:2px}
.scr-validate .av-item .nm{font-size:9.5px;font-weight:600;color:var(--text)}

/* Profile */
.scr-profile{text-align:center}
.scr-profile .badge-ring{width:88px;height:88px;border-radius:50%;padding:5px;background:conic-gradient(from 0deg, rgba(107,114,128,.55), transparent 30%);margin:6px auto 10px}
.scr-profile .badge{width:100%;height:100%;border-radius:50%;background:linear-gradient(135deg,#94a3b8,#64748b);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:11px;box-shadow:var(--shadow)}
.scr-profile .prog{height:7px;background:var(--border);border-radius:999px;margin:12px auto;width:80%;overflow:hidden}
.scr-profile .prog i{display:block;height:100%;background:var(--brand);border-radius:999px}
.scr-profile .stats{display:flex;gap:8px;padding:0 16px;margin-top:14px}
.scr-profile .stat-card{flex:1;background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:10px 6px}
.scr-profile .stat-card b{font-size:16px;color:var(--brand-pressed);display:block}
.scr-profile .stat-card span{font-size:9px;color:var(--text-2)}

/* Tier up celebration */
.scr-tierup{align-items:center;justify-content:center;text-align:center;background:#fff;padding:30px}
.scr-tierup .badge-lg{width:104px;height:104px;border-radius:50%;background:linear-gradient(135deg,#EAB308,#CA8A04);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:14px;box-shadow:var(--shadow-lg);margin-bottom:18px;position:relative;overflow:hidden}
.scr-tierup .badge-lg::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.55) 50%,transparent 70%);background-size:250% 250%;animation:shimmer 2.4s ease-in-out infinite}
@keyframes shimmer{0%{background-position:150% 150%}100%{background-position:-50% -50%}}
.scr-tierup .tag{font-size:10px;font-weight:800;color:var(--brand);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
/* This screen's card is pinned to a literal white background (a real
   celebration-screen screenshot, not theme-reactive) — its heading and body
   text must be pinned to literal dark colors too, not the global h4/p rules'
   var(--text)/var(--text-2), which flip light in OS dark mode and would
   otherwise wash out to near-white-on-white. */
.scr-tierup h4{font-size:20px;color:#1C1917}
.scr-tierup p{font-size:11.5px;margin-top:8px;color:#57534E}
.scr-tierup .confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.scr-tierup .confetti i{position:absolute;top:-10%;width:6px;height:10px;border-radius:1px;animation:confettiFall 3.2s linear infinite}
@keyframes confettiFall{0%{transform:translateY(0) rotate(0deg);opacity:1}100%{transform:translateY(560px) rotate(360deg);opacity:0}}

/* =========================== BUSINESS / API =============================== */
.biz{padding:110px 0;background:var(--bg-surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.biz-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.biz-copy .section-head{text-align:left;margin:0 0 28px;max-width:520px}
.biz-list{list-style:none;margin:0 0 32px;padding:0;display:flex;flex-direction:column;gap:18px}
.biz-list li{display:flex;gap:14px}
.biz-list .ic{width:42px;height:42px;border-radius:12px;background:var(--bg-sunken);display:flex;align-items:center;justify-content:center;color:var(--brand-pressed);flex:0 0 auto}
.biz-list b{font-size:14.5px;color:var(--text);display:block;margin-bottom:2px}
.biz-list span{font-size:13.5px;color:var(--text-2)}
.biz-visual{position:relative}
.api-card{
  background:#1C1917;border-radius:20px;padding:26px;box-shadow:var(--shadow-lg);
  font-family:'SF Mono','Fira Code',ui-monospace,monospace;font-size:12.5px;color:#e7e5e4;
  position:relative;overflow:hidden;
}
.api-card .dots{display:flex;gap:6px;margin-bottom:16px}
.api-card .dots i{width:10px;height:10px;border-radius:50%}
.api-card .dots i:nth-child(1){background:#DC2626}
.api-card .dots i:nth-child(2){background:#F59E0B}
.api-card .dots i:nth-child(3){background:#22C55E}
.api-card pre{margin:0;white-space:pre-wrap;line-height:1.65}
.api-card .k{color:#9CA3AF}
.api-card .s{color:#7dd3fc}
.api-card .n{color:#fbbf24}
.api-card .c{color:#57534E}
.biz-badges{display:flex;gap:12px;margin-top:20px}
.biz-badges span{
  font-size:11.5px;font-weight:700;color:var(--text-2);background:var(--bg-canvas);
  border:1px solid var(--border);padding:8px 14px;border-radius:999px;
}

/* ================================ ABOUT ==================================== */
.about{padding:110px 0}
.about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;align-items:start}
.about-visual{
  position:relative;display:flex;align-items:center;justify-content:center;
  padding:30px;min-height:320px;
}
.about-visual .glow{
  position:absolute;inset:0;margin:auto;width:78%;height:78%;border-radius:50%;
  background:radial-gradient(closest-side, rgba(107,114,128,0.16), transparent 72%);
  filter:blur(6px);
}
.about-visual img{
  position:relative;width:100%;max-width:440px;
  filter:drop-shadow(0 18px 30px rgba(28,25,23,0.16));
}
.about-copy .section-head{text-align:left;margin:0 0 20px}
.about-copy p{font-size:15.5px;margin-bottom:16px}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
.pillar{background:var(--bg-surface);border:1px solid var(--border);border-radius:14px;padding:18px}
.pillar .n{font-size:22px;font-weight:800;color:var(--brand-pressed)}
.pillar .l{font-size:12px;color:var(--text-2);margin-top:4px;font-weight:600}

/* ================================ CONTACT =================================== */
.contact{padding:110px 0;background:linear-gradient(180deg,var(--bg-canvas),var(--bg-sunken))}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.contact-card{
  background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:32px;display:flex;flex-direction:column;gap:16px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.contact-card .ic{width:48px;height:48px;border-radius:14px;background:var(--bg-sunken);display:flex;align-items:center;justify-content:center;color:var(--brand-pressed)}
.contact-card h4{font-size:17px}
.contact-card a.link{color:var(--secondary-dark);font-weight:700;font-size:14.5px}
.contact-card a.link:hover{text-decoration:underline}

/* ================================ FOOTER =================================== */
.site-footer{background:#17181a;color:#a8a29e;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;padding-bottom:40px;border-bottom:1px solid #2a2a28}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-brand img{width:28px;height:28px}
.site-footer p{color:#8a8782;font-size:13.5px;max-width:320px}
.footer-col h5{color:#fff;font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#a8a29e;transition:color .15s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;font-size:12.5px;color:#6f6c67;flex-wrap:wrap;gap:10px}

/* ================================ RESPONSIVE ================================ */
@media (max-width:960px){
  .hero .container,.biz-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .hero-visual{margin-top:40px;min-height:520px}
  .how-grid{grid-template-columns:1fr 1fr}
  .showcase-row,.showcase-row.reverse{grid-template-columns:1fr!important}
  .showcase-row .showcase-copy,.showcase-row.reverse .showcase-copy{order:2!important}
  .showcase-row .showcase-visual,.showcase-row.reverse .showcase-visual{order:1!important}
  .footer-grid{grid-template-columns:1fr 1fr}
  .statbar .container{grid-template-columns:repeat(2,1fr);row-gap:24px}
}
@media (max-width:720px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .how-grid{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding-top:140px}
  .ios-device{transform:scale(.86)}
}

/* Dark-mode aware surfaces (marketing shell mainly stays light per brand ask,
   but avoid a jarring white flash for OS dark-mode users) */
@media (prefers-color-scheme: dark){
  body{background:#141513}
  :root{
    --bg-canvas:#141513;--bg-surface:#1c1e1b;--bg-sunken:#232522;
    --border:#2b2d29;--border-strong:#3a3c37;
    --text:#f5f5f4;--text-2:#c9c6c1;--text-3:#8a8782;
  }
  .nav{background:rgba(20,21,19,0.72)}
  .api-card{background:#0d0e0c}
}