:root{
  --flow-yellow:#F5B942;
  --flow-orange:#EB9C29;
  --flow-turquoise:#2B9CA4;

  --flow-dark:#1A1A1A;
  --flow-light:#FDF8EE;
  --flow-white:#FFFFFF;
  --flow-gray:#8A8A8A;

  --flow-text-dark:#121212;
  --flow-text-light:#FAFAFA;

  --bg: var(--flow-dark);
  --surface: #222222;
  --surface2:#2A2A2A;

  --primary: var(--flow-yellow);
  --accent: var(--flow-orange);
  --secondary: var(--flow-turquoise);

  --text: var(--flow-text-light);
  --muted: rgba(250,250,250,.70);

  --border: rgba(255,255,255,.10);
  --shadow: 0 18px 45px rgba(0,0,0,.55);

  --r12: 12px;
  --r16: 16px;
  --r20: 20px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background:
    radial-gradient(900px 500px at 20% -10%, rgba(245,185,66,.10), transparent 60%),
    radial-gradient(900px 600px at 90% 0%, rgba(43,156,164,.10), transparent 55%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a{ color:inherit; text-decoration:none; }
.container{ width:min(1100px, calc(100% - 48px)); margin:0 auto; }
.muted{ color: var(--muted); }
h2{ font-size: 22px; letter-spacing: -0.2px; }

/* ===== Topbar ===== */
.topbar{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(26,26,26,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}
.brand{
  font-weight: 800;
  letter-spacing: .2px;
}
.nav{
  display:flex;
  align-items:center;
  gap: 18px;
}
.nav a{
  color: rgba(250,250,250,.70);
  font-size: 14px;
}
.nav a:hover{ color: var(--text); }

.menuBtn{
  display:none;
  width: 44px;
  height: 40px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  border-radius: var(--r12);
  cursor:pointer;
  padding: 10px;
}
.menuBtn span{
  display:block;
  height:2px;
  background: rgba(250,250,250,.90);
  border-radius: 999px;
}
.menuBtn span + span{ margin-top:6px; }

.mobileNav{
  display:none;
  padding: 10px 0 16px;
  border-top: 1px solid var(--border);
}
.mobileNav a{
  display:block;
  padding: 10px 0;
  color: rgba(250,250,250,.70);
}
.mobileNav a:hover{ color: var(--text); }
.mobileNav.is-open{ display:block; }

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 16px;
  border-radius: var(--r12);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text);
  cursor:pointer;
  font-size: 14px;
}
.btn--sm{ padding: 10px 14px; }
.btn--primary{
  background: var(--primary);
  color: var(--flow-text-dark);
  border-color: rgba(0,0,0,.0);
}
.btn--primary:hover{ background: var(--accent); }
.btn--ghost:hover{ background: rgba(255,255,255,.07); }

/* ===== Hero ===== */
.hero{
  padding: 64px 0 34px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  align-items:center;
  gap: 34px;
}
.hero__left h1{
  font-size: clamp(36px, 4.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.8px;
  max-width: 18ch;
}
.hero__subtitle{
  margin-top: 14px;
  line-height: 1.6;
  color: rgba(250,250,250,.72);
  max-width: 56ch;
}
.hero__cta{
  margin-top: 22px;
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero__chips{
  margin-top: 18px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.chip{
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  font-size: 13px;
}

/* ===== Mock ===== */
.mockCard{
  border-radius: var(--r20);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(34,34,34,.95), rgba(42,42,42,.92));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.mockTop{
  display:flex;
  align-items:center;
  gap: 8px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.22);
}
.mockTitle{
  margin-left: 6px;
  font-weight: 700;
  color: rgba(250,250,250,.92);
}
.mockBody{ padding: 14px; }
.mockRow{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding: 12px 12px;
  border-radius: var(--r16);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}
.mockRow + .mockRow{ margin-top: 10px; }
.mockTime{ font-weight: 650; }
.mockCap{ color: var(--secondary); font-weight: 700; }
.mockDivider{
  height: 1px;
  background: rgba(255,255,255,.10);
  margin: 14px 0;
}
.mockSectionTitle{ font-weight: 700; margin-bottom: 10px; }
.mockButton{
  width: 100%;
  text-align:center;
  padding: 12px 12px;
  border-radius: var(--r16);
  background: var(--primary);
  color: var(--flow-text-dark);
  font-weight: 700;
}

/* ===== Sections ===== */
.section{ padding: 54px 0; }
.section--alt{
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.02);
}
.section--download{ padding-bottom: 70px; }

/* Cards */
.cards{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card{
  border-radius: var(--r16);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  padding: 18px;
}
.card h3{ font-size: 16px; margin-bottom: 8px; }
.card p{ color: rgba(250,250,250,.72); line-height: 1.6; font-size: 14px; }

/* Steps */
.steps{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.step{
  border-radius: var(--r16);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  padding: 16px;
  display:flex;
  gap: 12px;
  align-items:flex-start;
}
.step__num{
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display:grid;
  place-items:center;
  background: rgba(43,156,164,.14);
  border: 1px solid rgba(43,156,164,.35);
  color: var(--secondary);
  font-weight: 800;
}
.step__text{ color: rgba(250,250,250,.72); line-height: 1.55; }

/* FAQ */
.faq{
  margin-top: 12px;
  border-radius: var(--r16);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  padding: 14px 16px;
}
.faq summary{ cursor:pointer; font-weight: 700; }
.faq p{ margin-top: 10px; color: rgba(250,250,250,.72); line-height: 1.6; }

/* Download */
.download{ display:flex; justify-content:center; }
.download__box{
  width: min(620px, 100%);
  border-radius: var(--r20);
  border: 1px solid rgba(245,185,66,.22);
  background: linear-gradient(180deg, rgba(245,185,66,.08), rgba(255,255,255,.02));
  padding: 18px;
}
.download__box h2{ margin-bottom: 8px; }
.download__cta{
  margin-top: 14px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.download__url{
  margin-top: 14px;
  padding: 12px;
  border-radius: var(--r16);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12.5px;
  color: rgba(250,250,250,.78);
  word-break: break-all;
}

/* Footer */
.footer{
  border-top: 1px solid var(--border);
  background: rgba(26,26,26,.85);
  padding: 18px 0;
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
}

/* Toast */
.toast{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(34,34,34,.96);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: var(--r12);
  box-shadow: var(--shadow);
  color: rgba(250,250,250,.92);
  font-size: 14px;
  opacity: 0;
  pointer-events:none;
  transition: opacity .18s ease, transform .18s ease;
}
.toast.is-show{
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .menuBtn{ display:inline-flex; flex-direction:column; justify-content:center; }
}
/* =========================================================
   Stripe mini-pages (success/reauth)
   ========================================================= */
.pageCenter{
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px 0;
}

.panel{
  width: min(520px, calc(100% - 48px));
  border-radius: var(--r20);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(34,34,34,.95), rgba(42,42,42,.92));
  box-shadow: var(--shadow);
  padding: 18px;
}

.panel__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.panel__brand{
  font-weight: 800;
  letter-spacing: .2px;
  color: rgba(250,250,250,.92);
}

.panel__title{
  font-size: 28px;
  letter-spacing: -0.4px;
  margin-top: 6px;
}

.panel__subtitle{
  margin-top: 10px;
  line-height: 1.6;
  color: rgba(250,250,250,.72);
}

.panel__cta{
  margin-top: 16px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.panel__status{
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.5;
}

/* badges */
.badge{
  display:inline-flex;
  align-items:center;
  padding: 7px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .2px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}

.badge--ok{
  background: rgba(245,185,66,.14);
  border-color: rgba(245,185,66,.28);
  color: var(--primary);
}

.badge--warn{
  background: rgba(43,156,164,.14);
  border-color: rgba(43,156,164,.30);
  color: var(--secondary);
}
.badge--error{
  background: rgba(235,156,41,.14);
  border-color: rgba(235,156,41,.28);
  color: var(--accent);
}