:root {
  /* Sunset Heat */
  --bg: #15091f;
  --bg2: #221033;
  --card: rgba(37, 20, 51, 0.55);
  --card-solid: #251433;
  --bd: #3d2350;
  --hair: #51306b;
  --tx: #fff1f6;
  --dim: #c8a6be;
  --faint: #8a6a82;
  --ink: #2a0e1e;
  --g1: #ff5e62;
  --g2: #ff9966;
  --g3: #ff61a6;
  --ok: #36d399;
  --grad: linear-gradient(90deg, var(--g1), var(--g2) 45%, var(--g3));
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--tx);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 22px; }

/* ---------- animated background ---------- */
.bg { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.55; will-change: transform; }
.blob.b1 { width: 52vw; height: 52vw; left: -12vw; top: -14vw; background: radial-gradient(circle, #ff5e62, transparent 62%); animation: drift1 22s ease-in-out infinite; }
.blob.b2 { width: 46vw; height: 46vw; right: -10vw; top: 4vw; background: radial-gradient(circle, #ff61a6, transparent 62%); animation: drift2 26s ease-in-out infinite; }
.blob.b3 { width: 44vw; height: 44vw; left: 22vw; bottom: -18vw; background: radial-gradient(circle, #ff9966, transparent 62%); animation: drift3 30s ease-in-out infinite; opacity: 0.4; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(8vw,6vw) scale(1.12); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-7vw,5vw) scale(1.1); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(5vw,-6vw) scale(1.15); } }
/* grain */
.grain { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ---------- gradient text ---------- */
.grad {
  background: linear-gradient(90deg, var(--g1), var(--g2), var(--g3), var(--g1));
  background-size: 250% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer { to { background-position: 250% 0; } }

/* ---------- nav ---------- */
header.nav { position: sticky; top: 0; z-index: 20; transition: background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s; border-bottom: 1px solid transparent; }
header.nav.scrolled { background: rgba(21, 9, 31, 0.72); backdrop-filter: blur(14px); border-bottom-color: var(--bd); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { font-weight: 900; font-size: 22px; letter-spacing: -0.3px; display: inline-flex; align-items: center; gap: 9px; }
.logo-mark { height: 26px; width: auto; display: block; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--dim); font-weight: 600; font-size: 15px; transition: color 0.15s; }
.nav-links a:hover { color: var(--tx); }
@media (max-width: 640px) { .nav-links a:not(.btn) { display: none; } }

/* ---------- buttons ---------- */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: 15px; color: var(--ink);
  background: var(--grad); background-size: 180% 100%;
  padding: 13px 22px; border-radius: 999px;
  box-shadow: 0 8px 30px rgba(255, 94, 98, 0.32);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-position 0.4s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(255, 97, 166, 0.45); background-position: 100% 0; }
.btn::after { content: ""; position: absolute; top: 0; left: -120%; width: 80%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.5), transparent); transform: skewX(-20deg); }
.btn:hover::after { animation: sheen 0.8s ease; }
@keyframes sheen { to { left: 130%; } }
.btn.ghost { background: rgba(255,255,255,0.04); color: var(--tx); border: 1px solid var(--hair); box-shadow: none; }
.btn.ghost:hover { border-color: var(--g3); background: rgba(255,97,166,0.08); }
.btn.lg { padding: 16px 30px; font-size: 16px; }

/* ---------- hero ---------- */
.hero { padding: 76px 0 60px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; text-align: center; padding-top: 52px; } }
.pill { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.05); border: 1px solid var(--hair);
  color: var(--dim); font-weight: 700; font-size: 13px; letter-spacing: 0.4px; padding: 7px 14px; border-radius: 999px; }
.pill .live { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(54,211,153,0.6); animation: ping 1.8s ease-out infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(54,211,153,0.5); } 100% { box-shadow: 0 0 0 10px rgba(54,211,153,0); } }
.hero h1 { font-size: clamp(44px, 7vw, 82px); font-weight: 900; letter-spacing: -2.5px; line-height: 0.98; margin: 18px 0; }
.hero p.sub { color: var(--dim); font-size: clamp(17px, 2.2vw, 21px); max-width: 540px; margin-bottom: 28px; }
@media (max-width: 900px) { .hero p.sub { margin-inline: auto; } }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 900px) { .hero-cta { justify-content: center; } }
.trust { margin-top: 22px; color: var(--faint); font-size: 14px; display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width: 900px) { .trust { justify-content: center; } }
.trust b { color: var(--dim); }

/* ---------- phone mockup ---------- */
.phone-wrap { display: flex; justify-content: center; perspective: 1200px; }
.phone {
  width: 300px; max-width: 80vw; border-radius: 44px; padding: 14px;
  background: linear-gradient(160deg, #2c1840, #170b26);
  border: 1px solid var(--hair); box-shadow: 0 40px 90px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,97,166,0.1);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0) rotateZ(-1deg); } 50% { transform: translateY(-14px) rotateZ(1deg); } }
.phone-screen { background: #190b27; border-radius: 32px; padding: 18px 16px; overflow: hidden; }
.ps-head { font-weight: 900; font-size: 19px; }
.ps-date { color: var(--faint); font-size: 12px; margin-bottom: 14px; }
.ps-share { border: 1px solid var(--g3); border-radius: 18px; padding: 16px; text-align: center; background: rgba(255,97,166,0.06); box-shadow: 0 0 30px rgba(255,97,166,0.12); }
.ps-share .l { color: var(--g3); font-weight: 800; font-size: 11px; letter-spacing: 2px; }
.ps-share .a { font-size: 34px; font-weight: 900; letter-spacing: -1px; margin-top: 2px; transition: opacity 0.3s; }
.ps-rows { margin: 14px 0; display: grid; gap: 8px; }
.ps-row { display: flex; align-items: center; gap: 10px; background: #20102f; border: 1px solid var(--bd); border-radius: 12px; padding: 10px 12px; font-size: 14px; font-weight: 600; transition: border-color 0.3s, background 0.3s; }
.ps-row b { margin-left: auto; font-weight: 800; }
.ps-row .mk { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--faint); display: flex; align-items: center; justify-content: center; font-size: 12px; color: transparent; transition: all 0.3s; }
.ps-row.on { border-color: var(--g3); background: rgba(255,97,166,0.1); }
.ps-row.on .mk { background: var(--g3); border-color: var(--g3); color: var(--ink); }
.ps-pay { margin-top: 4px; text-align: center; font-weight: 800; color: var(--ink); background: var(--grad); border-radius: 12px; padding: 11px; font-size: 14px; }

/* ---------- sections ---------- */
section { padding: 70px 0; position: relative; }
.section-title { text-align: center; font-size: clamp(30px, 4.4vw, 46px); font-weight: 900; letter-spacing: -1.2px; }
.section-sub { text-align: center; color: var(--dim); max-width: 600px; margin: 12px auto 0; font-size: 17px; }

/* feature grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; margin-top: 46px; }
.card { position: relative; background: var(--card); border: 1px solid var(--bd); border-radius: 22px; padding: 28px; backdrop-filter: blur(6px); transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease; }
.card:hover { transform: translateY(-6px); border-color: var(--g3); box-shadow: 0 20px 50px rgba(255,97,166,0.16); }
.chip { width: 50px; height: 50px; border-radius: 15px; display: flex; align-items: center; justify-content: center; font-size: 24px; background: linear-gradient(135deg, rgba(255,94,98,0.22), rgba(255,97,166,0.22)); border: 1px solid var(--hair); }
.card h3 { font-size: 19px; font-weight: 800; margin: 16px 0 6px; }
.card p { color: var(--dim); font-size: 15px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 46px; }
.step { text-align: center; padding: 10px; }
.step .num { width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 23px; color: var(--ink); background: linear-gradient(135deg, var(--g1), var(--g3)); box-shadow: 0 10px 30px rgba(255,94,98,0.3); }
.step h3 { font-size: 18px; font-weight: 800; margin-bottom: 6px; }
.step p { color: var(--dim); font-size: 15px; }

/* stats strip */
.stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; margin-top: 10px; }
.stat { text-align: center; }
.stat .v { font-size: clamp(30px, 5vw, 44px); font-weight: 900; letter-spacing: -1px; }
.stat .k { color: var(--dim); font-size: 14px; margin-top: 2px; }

/* cta */
.cta { text-align: center; background: var(--card); border: 1px solid var(--bd); border-radius: 30px; padding: 60px 24px; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: -2px; background: var(--grad); opacity: 0.12; filter: blur(40px); z-index: 0; }
.cta > * { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(28px, 4.4vw, 42px); font-weight: 900; letter-spacing: -1px; }
.cta p { color: var(--dim); margin: 10px 0 26px; font-size: 17px; }

/* footer */
footer { border-top: 1px solid var(--bd); padding: 40px 0; color: var(--faint); margin-top: 30px; }
.foot-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.foot-links { display: flex; gap: 22px; }
.foot-links a { color: var(--dim); font-weight: 600; transition: color 0.15s; }
.foot-links a:hover { color: var(--tx); }

/* ---------- scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s cubic-bezier(0.2,0.7,0.2,1), transform 0.7s cubic-bezier(0.2,0.7,0.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }

/* ---------- article (privacy / support) ---------- */
.article { padding: 56px 0 80px; max-width: 760px; }
.article h1 { font-size: clamp(32px, 6vw, 48px); font-weight: 900; letter-spacing: -1px; }
.article .updated { color: var(--faint); margin-top: 8px; margin-bottom: 28px; }
.article h2 { font-size: 22px; font-weight: 800; margin: 32px 0 10px; }
.article h3 { font-size: 17px; font-weight: 800; margin: 20px 0 8px; }
.article p, .article li { color: var(--dim); font-size: 16px; }
.article ul { margin: 10px 0 10px 22px; }
.article li { margin: 6px 0; }
.article a { color: var(--g3); text-decoration: underline; }
.back { display: inline-block; margin-bottom: 24px; color: var(--dim); font-weight: 600; }
.back:hover { color: var(--tx); }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}