/* Halcyra — the calm after nicotine. Night-sky canvas, aurora as the earned reward. */
:root {
  --canvas: #0B1220;
  --canvas-deep: #070D18;
  --surface: #16202E;
  --hairline: #232F40;
  --text: #F4F7FB;
  --muted: #93A1B5;
  --mint: #7FE7D0;
  --peri: #8FA8FF;
  --peach: #FFC59E;
  --aurora: linear-gradient(100deg, var(--mint), var(--peri) 52%, var(--peach));
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--canvas);
  color: var(--text);
  font-family: "Instrument Sans", -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* Night-sky atmosphere: faint aurora glow high above the fold + grain */
.sky {
  position: fixed; inset: 0; z-index: -1; background: var(--canvas);
}
.sky::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 75vh;
  background:
    radial-gradient(42% 55% at 22% 18%, rgba(127,231,208,.10), transparent 70%),
    radial-gradient(48% 60% at 55% 8%, rgba(143,168,255,.11), transparent 70%),
    radial-gradient(38% 50% at 84% 22%, rgba(255,197,158,.07), transparent 70%);
  filter: blur(28px);
}
.sky::after {
  content: ""; position: absolute; inset: 0; opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
a { color: var(--peri); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Header */
header { padding: 26px 0; }
header .wrap { display: flex; align-items: center; justify-content: space-between; }
.mark { display: flex; align-items: center; gap: 12px; font-weight: 600; letter-spacing: .01em; color: var(--text); }
.mark:hover { text-decoration: none; }
.rings { width: 34px; height: 34px; position: relative; }
.rings i { position: absolute; inset: 0; border-radius: 50%; border: 1.6px solid transparent;
  background: var(--aurora) border-box; -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; }
.rings i:nth-child(2) { inset: 5px; opacity: .75; }
.rings i:nth-child(3) { inset: 10px; opacity: .5; }
nav { display: flex; gap: 26px; font-size: 15px; }
nav a { color: var(--muted); }
nav a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { padding: 9vh 0 10vh; text-align: center; position: relative; }
.orb { width: 190px; height: 190px; margin: 0 auto 44px; position: relative; animation: breathe 7s ease-in-out infinite; }
.orb::before { content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 210deg, var(--mint), var(--peri), var(--peach), var(--mint));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #fff calc(100% - 4px));
          mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #fff calc(100% - 4px)); }
.orb::after { content: ""; position: absolute; inset: -26px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(143,168,255,.22), transparent 72%); filter: blur(14px); z-index: -1; }
@keyframes breathe { 0%,100% { transform: scale(.97); } 50% { transform: scale(1.03); } }
@media (prefers-reduced-motion: reduce) { .orb { animation: none; } }

h1 { font-family: "Fraunces", Georgia, serif; font-weight: 480; font-size: clamp(44px, 7vw, 76px);
  letter-spacing: -0.015em; line-height: 1.04; }
h1 em { font-style: italic; background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tag { font-family: "Fraunces", Georgia, serif; font-style: italic; font-size: clamp(19px, 2.4vw, 24px);
  color: var(--muted); margin-top: 14px; font-weight: 400; }
.lede { max-width: 560px; margin: 26px auto 0; color: rgba(244,247,251,.85); font-size: 18px; }
.cta-row { margin-top: 42px; display: flex; gap: 16px; justify-content: center; align-items: center; flex-wrap: wrap; }
.badge-soon { display: inline-flex; align-items: center; gap: 10px; padding: 15px 28px; border-radius: 16px;
  background: var(--aurora); color: #0B1220; font-weight: 600; font-size: 16px;
  box-shadow: 0 10px 34px rgba(143,168,255,.30); }
.privacy-chip { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }

/* Feature vignettes — alternating editorial rows */
.features { padding: 4vh 0 6vh; display: grid; gap: 18px; }
.card { background: rgba(22,32,46,.72); border: 1px solid var(--hairline); border-radius: 22px;
  padding: 34px 36px; display: grid; grid-template-columns: 1fr; gap: 8px; position: relative; overflow: hidden; }
.card h2 { font-family: "Fraunces", Georgia, serif; font-weight: 520; font-size: 27px; letter-spacing: -.01em; }
.card p { color: var(--muted); max-width: 60ch; }
.card .k { font-size: 12px; letter-spacing: .18em; font-weight: 600; }
.card:nth-child(3n+1) .k { color: var(--mint); }
.card:nth-child(3n+2) .k { color: var(--peri); }
.card:nth-child(3n)   .k { color: var(--peach); }
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 720px) { .duo { grid-template-columns: 1fr; } }

/* Long-form pages (privacy / support) */
.page { max-width: 720px; margin: 0 auto; padding: 5vh 24px 10vh; }
.page h1 { font-size: clamp(34px, 5vw, 48px); margin-bottom: 8px; }
.page .sub { color: var(--muted); margin-bottom: 44px; }
.page h2 { font-family: "Fraunces", Georgia, serif; font-weight: 520; font-size: 23px; margin: 38px 0 8px; }
.page p, .page li { color: rgba(244,247,251,.82); }
.page ul { padding-left: 22px; margin: 8px 0; }
details { border: 1px solid var(--hairline); border-radius: 16px; background: rgba(22,32,46,.72);
  padding: 18px 22px; margin: 12px 0; }
details summary { cursor: pointer; font-weight: 600; color: var(--text); list-style: none; display: flex; justify-content: space-between; align-items: center; }
details summary::after { content: "+"; color: var(--muted); font-size: 20px; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin-top: 10px; color: var(--muted); }

footer { border-top: 1px solid var(--hairline); padding: 34px 0 54px; margin-top: 6vh; }
footer .wrap { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
footer nav { gap: 20px; }
.fineprint { max-width: 640px; font-size: 13px; color: rgba(147,161,181,.75); margin-top: 10px; }