/* ============================================================
   BFlow — marketing + legal site
   ============================================================ */

:root{
  --ink:#F2F4F8;
  --ink-soft:#A2ABBC;
  --ink-faint:#6B748A;
  --bg:#080A11;
  --bg-2:#0D1019;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --gold:#CCA680;
  --gold-bright:#E4C7A6;
  --green:#4FCC85;
  --radius:20px;
  --radius-lg:28px;
  --maxw:1140px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Inter,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.6;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4.2vw,24px)}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  background:rgba(8,10,17,.72);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:-.3px;font-size:17px}
.brand img{width:30px;height:30px;border-radius:8px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:14.5px;color:var(--ink-soft);transition:color .2s}
.nav-links a:hover{color:var(--ink)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:-.2px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,var(--gold-bright),var(--gold));
  color:#241608;
  box-shadow:0 8px 28px rgba(204,166,128,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(204,166,128,.34)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{position:relative;padding:clamp(56px,9vw,96px) 0 0;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-30% 0 auto;height:820px;
  background:radial-gradient(58% 46% at 50% 0%,rgba(204,166,128,.16) 0%,rgba(204,166,128,.05) 38%,transparent 72%);
  pointer-events:none;
}
.hero-inner{position:relative;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px 7px 11px;border-radius:999px;
  border:1px solid var(--line-strong);background:var(--surface);
  font-size:13px;color:var(--ink-soft);letter-spacing:.1px;margin-bottom:26px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(79,204,133,.16)}

h1{
  font-size:clamp(30px,6.4vw,68px);line-height:1.06;font-weight:800;letter-spacing:-.045em;
  background:linear-gradient(178deg,#FFFFFF 30%,#B9C0CE 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{
  margin:22px auto 0;max-width:600px;
  font-size:clamp(16px,2.1vw,19px);color:var(--ink-soft);letter-spacing:-.1px;
}
.cta-row{display:flex;gap:13px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.cta-note{margin-top:16px;font-size:13px;color:var(--ink-faint)}

/* device */
.hero-device{
  position:relative;margin:clamp(40px,6vw,64px) auto -110px;
  width:min(330px,74vw);
  padding:9px;border-radius:44px;
  background:linear-gradient(160deg,#3D424E 0%,#0E0F14 17%,#08090C 54%,#252935 100%);
  box-shadow:0 50px 110px rgba(0,0,0,.72),0 8px 30px rgba(0,0,0,.55);
}
.hero-device .screen{border-radius:36px;overflow:hidden;background:#F9F8F5}

/* ---------- sections ---------- */
section{position:relative}
.sec{padding:clamp(84px,11vw,150px) 0 0}
/* Spacing utilities. These exist as classes rather than inline style=""
   attributes so the pages stay compatible with style-src 'self'. */
.pt-0{padding-top:0}
.sec-first{padding-top:clamp(140px,17vw,190px)}  /* clears the hero device, which overhangs */
.sec-head{max-width:660px;margin:0 auto 56px;text-align:center}
.kicker{
  font-size:12.5px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--gold);margin-bottom:14px;
}
h2{font-size:clamp(29px,4vw,44px);line-height:1.12;font-weight:800;letter-spacing:-1.2px}
.sec-head p{margin-top:16px;color:var(--ink-soft);font-size:17px}

/* ---------- feature grid ---------- */
/* Intrinsic grids. min() keeps a single column from overflowing on a 320px
   phone, while auto-fit reflows 3 -> 2 -> 1 with no breakpoints at all. */
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,278px),1fr))}
.card{
  padding:clamp(22px,3.4vw,30px) clamp(20px,3.2vw,28px);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);
  transition:transform .35s var(--ease),border-color .35s,background .35s;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03))}
.card .ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(160deg,rgba(204,166,128,.24),rgba(204,166,128,.08));
  border:1px solid rgba(204,166,128,.24);
}
.card .ico svg{width:20px;height:20px;stroke:var(--gold-bright);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17.5px;font-weight:700;letter-spacing:-.4px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--ink-soft);line-height:1.62}

/* ---------- showcase ---------- */
.showcase{
  margin-top:clamp(84px,11vw,150px);padding:clamp(44px,7vw,74px) 0 0;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(204,166,128,.10),rgba(204,166,128,0) 62%),var(--bg-2);
  border:1px solid var(--line);overflow:hidden;
}
.showcase .sec-head{margin-bottom:46px}
.tablet{
  width:min(760px,88%);margin:0 auto;padding:11px 11px 0;
  border-radius:34px 34px 0 0;
  background:linear-gradient(160deg,#3D424E 0%,#0E0F14 17%,#08090C 54%,#252935 100%);
  box-shadow:0 -6px 80px rgba(0,0,0,.6);
}
.tablet .screen{border-radius:26px 26px 0 0;overflow:hidden;background:#F9F8F5}

/* ---------- gallery ---------- */
.rail{
  display:flex;gap:clamp(14px,2.6vw,22px);overflow-x:auto;
  padding:8px clamp(16px,4.2vw,24px) 30px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px}
.rail figure{flex:0 0 clamp(168px,46vw,232px);scroll-snap-align:center}
.rail .frame{
  padding:6px;border-radius:30px;
  background:linear-gradient(160deg,#3D424E 0%,#0E0F14 17%,#08090C 54%,#252935 100%);
  box-shadow:0 22px 50px rgba(0,0,0,.55);
}
.rail .frame img{border-radius:25px}
.rail figcaption{margin-top:15px;text-align:center;font-size:13.5px;color:var(--ink-soft)}

/* ---------- privacy strip ---------- */
.strip{
  margin-top:clamp(84px,11vw,150px);padding:clamp(34px,5vw,60px) clamp(22px,4vw,44px);border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(79,204,133,.10),rgba(204,166,128,.06));
  display:flex;gap:36px;align-items:center;
}
.strip .lock{
  flex:0 0 60px;height:60px;border-radius:18px;display:grid;place-items:center;
  background:rgba(79,204,133,.14);border:1px solid rgba(79,204,133,.28);
}
.strip .lock svg{width:26px;height:26px;stroke:var(--green);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.strip h3{font-size:22px;font-weight:750;letter-spacing:-.6px;margin-bottom:9px}
.strip p{color:var(--ink-soft);font-size:15.5px;max-width:640px}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:18px;max-width:760px;margin:0 auto}
.plan{
  padding:32px 30px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.018));
}
.plan.best{border-color:rgba(204,166,128,.42);background:linear-gradient(180deg,rgba(204,166,128,.13),rgba(204,166,128,.03))}
.plan .tag{font-size:11.5px;font-weight:750;letter-spacing:1.3px;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.plan .price{font-size:38px;font-weight:800;letter-spacing:-1.6px;line-height:1}
.plan .per{font-size:14px;color:var(--ink-faint);margin-top:7px}
.plan .note{margin-top:16px;font-size:14px;color:var(--ink-soft)}
.legal-note{margin:26px auto 0;max-width:680px;text-align:center;font-size:12.5px;color:var(--ink-faint);line-height:1.7}

/* ---------- support page ---------- */
.page-head{padding:clamp(56px,9vw,88px) 0 12px;text-align:center;position:relative}
.page-head::before{
  content:"";position:absolute;inset:-40% 0 auto;height:520px;
  background:radial-gradient(52% 44% at 50% 0%,rgba(204,166,128,.13),transparent 70%);
  pointer-events:none;
}
.page-head h1{font-size:clamp(30px,5.6vw,54px)}
.page-head p{margin:18px auto 0;max-width:560px;color:var(--ink-soft);font-size:17px}

.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:18px;margin-top:clamp(36px,6vw,56px)}
.contact .card{display:block}
.contact .card .val{display:inline-block;margin-top:12px;font-size:16px;font-weight:650;color:var(--gold-bright);word-break:break-word;text-decoration:none;border-bottom:1px solid rgba(228,199,166,.35);transition:border-color .2s}
.contact .card a.val:hover{border-bottom-color:var(--gold-bright)}
.legal a[href^="mailto:"]{font-weight:600}

.faq{max-width:780px;margin:0 auto}
.faq details{
  border:1px solid var(--line);border-radius:16px;margin-bottom:12px;
  background:var(--surface);overflow:hidden;transition:border-color .25s,background .25s;
}
.faq details[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  font-size:16px;font-weight:650;letter-spacing:-.3px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:0 0 10px;height:10px;
  border-right:2px solid var(--ink-faint);border-bottom:2px solid var(--ink-faint);
  transform:rotate(45deg);transition:transform .28s var(--ease);margin-top:-4px;
}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:2px}
.faq .body{padding:0 24px 22px;color:var(--ink-soft);font-size:15px}
.faq .body p+p{margin-top:12px}
.faq .body strong{color:var(--ink);font-weight:650}

/* ---------- legal pages ---------- */
.legal{max-width:760px;margin:0 auto;padding:clamp(48px,8vw,78px) 0 0}
.legal .meta{
  display:inline-block;margin-top:16px;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--ink-soft);
}
.legal h1{font-size:clamp(29px,4.8vw,44px);text-align:left}
.legal section{margin-top:clamp(32px,5vw,44px);scroll-margin-top:90px}
.legal h2{
  font-size:20px;font-weight:700;letter-spacing:-.5px;margin-bottom:14px;
  padding-bottom:0;display:flex;gap:12px;align-items:baseline;
}
.legal h2 .n{
  flex:0 0 auto;font-size:13px;font-weight:750;color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.legal p{color:var(--ink-soft);font-size:15.5px;line-height:1.75}
.legal p+p{margin-top:14px}
.legal a{color:var(--gold-bright);text-decoration:underline;text-underline-offset:3px}
.legal .callout{
  margin-top:16px;padding:18px 22px;border-radius:14px;
  border:1px solid var(--line);background:var(--surface);
}
.legal .callout p{font-size:14.5px}

/* ---------- footer ---------- */
footer{margin-top:clamp(84px,11vw,150px);border-top:1px solid var(--line);padding:clamp(32px,5vw,44px) 0 clamp(38px,6vw,54px)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap}
.foot .brand{font-size:15px}
.foot-links{display:flex;gap:24px;flex-wrap:wrap}
.foot-links a{font-size:13.5px;color:var(--ink-faint);transition:color .2s}
.foot-links a:hover{color:var(--ink-soft)}
.copy{font-size:13px;color:var(--ink-faint)}

/* ---------- motion ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- responsive ----------
   Layout above is fluid (clamp + intrinsic grids), so these handle only the
   things that genuinely need a breakpoint: stacking, and viewports where the
   fluid rules alone would still be cramped. */

/* Tablet portrait and below — the privacy strip reads badly side-by-side. */
@media (max-width:860px){
  .strip{flex-direction:column;text-align:center}
  .strip p{margin-left:auto;margin-right:auto}
  .tablet{width:min(760px,94%)}
}

/* Large phones / small tablets. */
@media (max-width:640px){
  .nav-inner{height:60px}
  .nav-links{gap:18px}
  .nav-links a{font-size:13.5px}
  .brand{font-size:16px}
  .brand img{width:27px;height:27px}
  .hero-device{margin-bottom:-72px}
  .sec-first{padding-top:clamp(118px,26vw,150px)}
  .foot{justify-content:center;text-align:center}
  .foot-links{justify-content:center;gap:18px}
}

/* Phones. Nav links wrap under the brand rather than crushing together. */
@media (max-width:460px){
  .nav-inner{height:auto;padding:11px 0;flex-direction:column;gap:9px}
  .nav-links{gap:22px}
  .eyebrow{font-size:12px;padding:6px 13px 6px 10px}
  .cta-row{margin-top:26px}
  .btn{padding:12px 20px;font-size:14.5px;width:100%;justify-content:center}
  .cta-row .btn{max-width:320px}
  .legal h2{gap:9px}
  .faq summary{padding:17px 18px;font-size:15px}
  .faq .body{padding:0 18px 18px}
  .strip .lock{flex-basis:52px;height:52px}
}

/* Small phones (iPhone SE, 320px). Nothing may overflow horizontally. */
@media (max-width:380px){
  .hero-device{width:82vw}
  .plan{padding:26px 22px}
  .plan .price{font-size:33px}
  .legal h2{flex-direction:column;gap:3px}
}

/* Landscape phone: a tall hero would push everything off-screen. */
@media (max-height:520px) and (orientation:landscape){
  .hero{padding-top:34px}
  .hero-device{width:min(240px,34vw);margin:28px auto -60px}
  .sec-first{padding-top:110px}
}

/* Very wide displays — let the content breathe rather than stay pinned. */
@media (min-width:1500px){
  :root{--maxw:1240px}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}