:root{
  --bg:#151515;
  --text:#f1f5f9;
  --muted:#a1a1aa;
  --muted2:#71717a;
  --primary:#f03535;
  --primary2:#dc2626;
  --shadow: 0 1px 3px rgb(0 0 0 / .35);
  --shadow-lg: 0 12px 24px rgb(0 0 0 / .45);
  --radius: 16px;
  --container: 1160px;
}

*{ box-sizing:border-box; }
html {
  scroll-padding-top: 72px;
  scroll-behavior: smooth
}
html,body{ height:100%; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  overflow-x:hidden;
}

.container{
  width:100%;
  max-width: var(--container);
  margin:0 auto;
  padding: 18px 18px;
}

.bg-layer{
  position:fixed; inset:0;
  background:
    radial-gradient(900px 600px at 20% 15%, rgba(255,255,255,.08), transparent 50%),
    radial-gradient(600px 400px at 80% 60%, rgba(255,255,255,.06), transparent 50%),
    radial-gradient(800px 500px at 50% 50%, rgba(240,53,53,.12), transparent 60%),
    linear-gradient(135deg, rgba(20,10,15,.95) 0%, rgba(40,15,25,.92) 35%, rgba(60,20,40,.90) 65%, rgba(30,10,20,.94) 100%);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
  filter: saturate(1.1) brightness(0.95);
  z-index:-3;
}
#confetti{
  position:fixed; inset:0;
  z-index:-2;
  pointer-events:none;
  opacity:.9;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 10;
  background: transparent;
  border-bottom: none;
  isolation: isolate;
  min-height: 60px;
  width: 100%;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(21, 21, 21, .45);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.header-content {
  max-width: var(--container);
  margin-inline: auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-inline: 18px;
}

.brand{
  display:flex; align-items:center; gap:12px;
  text-decoration:none; color:var(--text);
  font-weight: 750;
  letter-spacing:.2px;
}
.brand-text{ font-size:18px; }
.dot{ color: var(--primary); }
.brand-mark{
  width:34px; height:34px; border-radius:10px;
  background: linear-gradient(180deg, rgba(240,53,53,1), rgba(220,38,38,1));
  position:relative;
  box-shadow: 0 12px 28px rgba(240,53,53,.18);
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  background: rgba(0, 0, 0, .18);
  clip-path: polygon(
    50% 0%,
    0% 90%,
    100% 90%
  );
  border-radius: 5px;
}

.btn{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 650;
  cursor:pointer;
  transition: .18s ease;
  box-shadow: var(--shadow);
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  text-decoration:none;
  user-select:none;
}
.btn:hover{ transform: translateY(-1px); border-color: rgba(240,53,53,.35); }
.btn:active{ transform: translateY(0px) scale(.99); }

.btn-primary{
  background: linear-gradient(180deg, var(--primary), var(--primary2));
  border-color: rgba(240,53,53,.55);
  box-shadow: 0 14px 34px rgba(240,53,53,.18);
}
.btn-outline{
  background: rgba(0,0,0,.18);
  border-color: rgba(255,255,255,.12);
}
.btn-ghost{
  background: transparent;
  border-color: rgba(255,255,255,.12);
  box-shadow:none;
}
.btn-ghost:hover{ background: rgba(255,255,255,.06); }

.btn-xl{ padding: 14px 18px; border-radius: 16px; font-size: 15px; }

.hero{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
  padding: 26px 0 14px;
  align-items: center;
}
.hero > div:first-child {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 420px;
}
.chip{
  display:inline-flex; align-items:center; gap:10px;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  border-radius: 999px;
  color: var(--muted);
  width: fit-content;
}
.chip-dot{
  width:10px; height:10px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(240,53,53,.12);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ transform: scale(1); box-shadow: 0 0 0 6px rgba(240,53,53,.10); }
  50%{ transform: scale(1.06); box-shadow: 0 0 0 10px rgba(240,53,53,.16); }
}

h1{
  margin: 14px 0 10px;
  font-size: clamp(30px, 3.6vw, 52px);
  line-height: 1.03;
  letter-spacing: -0.6px;
}
.accent{ color: var(--primary); }
.sub{
  display:block;
  margin-top: 12px;
  font-size: clamp(14px, 1.25vw, 16px);
  color: var(--muted);
  letter-spacing: .1px;
}

.lead{
  margin: 0 0 0px;
  color: var(--muted);
  font-size: 16px;
  max-width: 54ch;
}

.cta-row{
  display:flex; gap:12px; flex-wrap: wrap;
  margin: 18px 0 10px;
}

.triangle-card{
  position:relative;
  border-radius: 26px;
  padding: 26px;
  min-height: 420px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(35,35,35,.70), rgba(20,20,20,.60));
  box-shadow: var(--shadow-lg);
  overflow:hidden;
}
.triangle{
  position:absolute;
  left:50%;
  transform: translateX(-50%);
  width: 320px;
  height: 260px;
  border-radius: 38px;
  background: var(--primary);
  clip-path: polygon(50% 0%, 98% 92%, 2% 92%);
  filter: drop-shadow(0 30px 55px rgba(240,53,53,.18));
}
.triangle.big{ top: 70px; animation: floaty 3.6s ease-in-out infinite; }
.triangle.glow{
  top: 90px; width: 380px; height: 310px;
  opacity: .22; filter: blur(20px);
  animation: floaty 4.4s ease-in-out infinite reverse;
}
.triangle.small{
  top: 30px; width: 160px; height: 130px;
  opacity: .80; border-radius: 28px;
  filter: drop-shadow(0 22px 40px rgba(240,53,53,.22));
  animation: floaty 3.0s ease-in-out infinite;
}
@keyframes floaty{
  0%,100%{ transform: translateX(-50%) translateY(0px) rotate(-1deg); }
  50%{ transform: translateX(-50%) translateY(-10px) rotate(1.5deg); }
}

.section{
  margin-top: 26px;
  padding: 22px;
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.14);
  box-shadow: var(--shadow);
}
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 16px;
}
.section-head h2{ margin:0; font-size: 22px; letter-spacing: -0.3px; }
.section-head p{ margin:0; color: var(--muted); }

.steps{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.step{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(21,21,21,.35);
  padding: 14px;
  display:flex; gap: 12px;
  transition: .18s ease;
}
.step:hover{ transform: translateY(-2px); border-color: rgba(240,53,53,.30); }
.step-num{
  width:34px; height:34px; border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(240,53,53,.16);
  font-weight: 900;
}
.step-title{ font-weight: 800; }
.step-text{ color: var(--muted); font-size: 14px; margin-top: 4px; }
.helper-row{ display:flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }

.grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.banner{
  background: linear-gradient(135deg, rgba(240,53,53,.14), rgba(0,0,0,.20));
  border-color: rgba(240,53,53,.26);
}
.banner-inner{ display:flex; align-items:center; justify-content:space-between; gap: 14px; flex-wrap: wrap; }
.banner h2{ margin:0 0 6px; }
.banner p{ margin:0; color: var(--muted); }
.banner-actions{ display:flex; gap: 12px; flex-wrap: wrap; }

.footer{
  margin: 24px 0 10px;
  display:flex; justify-content:space-between; align-items:flex-start;
  gap: 12px; color: var(--muted2); flex-wrap: wrap;
}
.footer a{ color: var(--muted); text-decoration:none; }
.footer a:hover{ color: var(--text); }
.brand-mini{ display:flex; align-items:center; gap:10px; color: var(--text); font-weight: 800; }
.footer-sub{ margin-top: 6px; }

.toast{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%) translateY(24px);
  opacity: 0;
  background: rgba(255,255,255,.92);
  color: #111;
  padding: 10px 14px;
  border-radius: 14px;
  box-shadow: 0 16px 36px rgba(0,0,0,.35);
  transition: .22s ease;
  z-index: 9999;
  max-width: min(560px, calc(100vw - 28px));
}
.toast.show{ transform: translateX(-50%) translateY(0); opacity: 1; }

.modal{
  position: fixed; inset: 0;
  display:none;
  align-items:center; justify-content:center;
  padding: 18px;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 9998;
}
.modal.active{ display:flex; }
.modal-content{
  width: min(640px, 100%);
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(21,21,21,.90);
  box-shadow: 0 12px 24px rgb(0 0 0 / .45);
  overflow:hidden;
}
.modal-head{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.modal-title{ font-weight: 900; }
.modal-close{
  width: 40px; height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  font-size: 22px;
}
.modal-close:hover{ border-color: rgba(240,53,53,.35); }
.modal-body{ padding: 16px; }

.qr-wrap{
  display:flex;
  flex-direction: column;
  align-items:center;
  gap: 12px;
  text-align:center;
}
#qrCode img{ width: 256px; height: 256px; border-radius: 18px; }
.qr-hint{ color: var(--muted); font-size: 14px; }
.qr-actions{ display:flex; gap: 10px; flex-wrap: wrap; justify-content:center; }

@media (max-width: 980px){
  .hero{ grid-template-columns: 1fr; }
  .triangle-card{ min-height: 360px; }
  .steps{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
}
@media (max-width: 520px){
  .btn-text{ font-size: 12px; }
  .triangle{ width: 280px; height: 230px; }
  #qrCode img{ width: 230px; height: 230px; }
  
  .hero {
      grid-template-columns: 1fr;
      row-gap: 20px;
  }
  .hero > div:first-child {
      justify-content: flex-start;
      min-height: unset;
      gap: 8px;
  }
  .hero .chip {
      margin-bottom: 8px;
  }
  .hero h1 {
      margin: 8px 0 6px;
  }
  .hero .sub {
      margin-top: 6px;
  }
  .hero .lead {
      margin: 6px 0 10px;
      max-width: 100%;
  }
  .hero .cta-row {
      margin: 10px 0;
  }
  .triangle-card {
      min-height: 280px;
  }
}