/* ===========================================================
   Astryn — marketing + legal site
   Aurora theme, ElevenLabs-pro: clean white, neutral chrome,
   near-black type, subtle cool aurora accents.
   Pure static, no build step.
   =========================================================== */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f6f7;
  --card: #f5f5f6;
  --ink: #111114;
  --ink-soft: #5b5b64;
  --ink-faint: #9a9aa3;
  --border: #ebebee;
  --accent: #6d5ef0;
  --accent-soft: #efedfd;
  --max: 1120px;
  --radius: 22px;
  --radius-sm: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .serif {
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--ink);
}

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

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Background layers ----------------------------------------- */
.sky-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}
/* Drifting aurora gradient blobs (subtle, cool, on pure white) */
.aurora {
  position: fixed;
  inset: -18%;
  z-index: -1;
  pointer-events: none;
  filter: blur(90px) saturate(110%);
  will-change: transform;
}
.blob {
  position: absolute;
  border-radius: 50%;
  opacity: 0.18;
  will-change: transform;
}
.b1 { width: 48vw; height: 48vw; left: -10vw;  top: -14vw;    background: #8E7BF0; animation: drift1 28s ease-in-out infinite; }
.b2 { width: 42vw; height: 42vw; right: -12vw; top: -8vw;     background: #6FC0E8; animation: drift2 33s ease-in-out infinite; }
.b3 { width: 40vw; height: 40vw; left: 16vw;   bottom: -18vw; background: #E89EC4; animation: drift3 38s ease-in-out infinite; }
.b4 { width: 36vw; height: 36vw; right: 2vw;   bottom: -12vw; background: #7FD9C8; animation: drift4 31s ease-in-out infinite; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(7vw,5vw) scale(1.12); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-6vw,6vw) scale(1.08); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(5vw,-6vw) scale(1.14); } }
@keyframes drift4 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-5vw,-4vw) scale(1.1); } }

/* Animated aurora gradient text */
.grad-text {
  background: linear-gradient(100deg, #7A5AF0 0%, #4FA6D6 38%, #E07FB0 72%, #7A5AF0 100%);
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: shimmer 9s linear infinite;
}
@keyframes shimmer { to { background-position: 220% center; } }

/* Nav -------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.6);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--border); background: rgba(255, 255, 255, 0.9); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 32px; height: 32px; border-radius: 9px; box-shadow: 0 4px 14px rgba(0,0,0,0.10); }
.brand span { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 19px; letter-spacing: 0.14em; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { color: var(--ink-soft); font-size: 14px; letter-spacing: 0.01em; transition: color 0.25s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff !important;
  font-weight: 600;
}
.nav-cta:hover { background: #000; }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); font-size: 24px; cursor: pointer; }

/* Buttons ---------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, border-color 0.25s;
  cursor: pointer;
}
.btn-primary {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
  box-shadow: 0 8px 24px rgba(17, 17, 20, 0.18);
}
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.30), transparent);
  transform: skewX(-18deg);
  transition: left 0.7s var(--ease);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(17, 17, 20, 0.26); }
.btn-primary:hover::after { left: 130%; }
.btn-ghost { border: 1px solid var(--border); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

/* Hero ------------------------------------------------------- */
.hero { position: relative; text-align: center; padding: 124px 0 112px; }
.hero-badge {
  width: 104px; height: 104px; margin: 0 auto 34px; border-radius: 26px;
  box-shadow: 0 22px 50px rgba(17,17,20,0.16), 0 0 0 1px rgba(17,17,20,0.04);
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 22px; font-weight: 600;
}
.hero h1 { font-size: clamp(44px, 7.6vw, 86px); margin: 0 0 22px; font-weight: 800; }
.hero h1 em { font-style: normal; }
.hero p.lead {
  max-width: 600px; margin: 0 auto 38px; font-size: clamp(17px, 2.4vw, 20px);
  color: var(--ink-soft);
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 22px; font-size: 13px; color: var(--ink-faint); }

/* Section scaffolding --------------------------------------- */
section.block { padding: 104px 0; position: relative; }
section.block:nth-of-type(even) { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section-head .eyebrow { margin-bottom: 16px; }
.section-head h2 { font-size: clamp(30px, 4.6vw, 46px); margin: 0 0 16px; }
.section-head p { color: var(--ink-soft); font-size: 17px; margin: 0; }

/* Cards (shared) -------------------------------------------- */
.card-base {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 6px 22px rgba(17,17,20,0.04);
}

/* Pillars ---------------------------------------------------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pillar {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 6px 22px rgba(17,17,20,0.04);
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.pillar:hover { transform: translateY(-6px); border-color: rgba(109,94,240,0.4); box-shadow: 0 18px 44px rgba(17,17,20,0.09); }
.pillar .glyph {
  width: 60px; height: 60px; margin: 0 auto 20px; border-radius: 16px;
  display: grid; place-items: center; font-size: 26px; color: var(--accent);
  background: var(--accent-soft);
}
.pillar h3 { font-size: 21px; margin: 0 0 10px; }
.pillar p { color: var(--ink-soft); font-size: 15px; margin: 0; }

/* Feature rows ---------------------------------------------- */
.feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  padding: 52px 0;
}
.feature:nth-child(even) .feature-media { order: -1; }
.feature-text h3 { font-size: clamp(26px, 3.6vw, 36px); margin: 0 0 16px; }
.feature-text p { color: var(--ink-soft); font-size: 16.5px; margin: 0 0 18px; }
.feature-text ul { list-style: none; padding: 0; margin: 0; }
.feature-text li { color: var(--ink-soft); padding: 6px 0 6px 26px; position: relative; }
.feature-text li::before {
  content: "✦"; color: var(--accent); position: absolute; left: 0; font-size: 13px; top: 8px;
}
.feature-media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(80% 80% at 50% 20%, rgba(109,94,240,0.10), transparent 60%),
    radial-gradient(70% 70% at 70% 80%, rgba(79,166,214,0.08), transparent 60%),
    var(--card);
  display: grid; place-items: center;
  overflow: hidden;
  position: relative;
  box-shadow: 0 10px 30px rgba(17,17,20,0.05);
}
.feature-media .big-glyph { font-size: 84px; opacity: 0.9; color: var(--accent); filter: drop-shadow(0 8px 24px rgba(109,94,240,0.28)); }

/* Moon visual ------------------------------------------------ */
.moon-stage { display: grid; place-items: center; padding: 20px 0; }
.moon {
  position: relative; width: 230px; height: 230px; border-radius: 50%;
  background: radial-gradient(circle at 38% 35%, #f0f0f2, #c9c9cf 60%, #a6a6ad 100%);
  box-shadow: 0 18px 50px rgba(17,17,20,0.16), inset -18px -10px 40px rgba(0,0,0,0.20);
  overflow: hidden;
}
.moon::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle at 70% 65%, rgba(0,0,0,0.14), transparent 40%),
              radial-gradient(circle at 30% 60%, rgba(0,0,0,0.09), transparent 35%),
              radial-gradient(circle at 55% 30%, rgba(0,0,0,0.07), transparent 30%);
}
#moon { background: var(--bg); }
.moon-shadow {
  position: absolute; top: -4px; right: -2px; width: 62%; height: calc(100% + 8px);
  background: var(--bg); border-radius: 50%;
  transform: translateX(8%);
}

/* How it works (steps) -------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: 0 6px 22px rgba(17,17,20,0.04);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}
.step:hover { transform: translateY(-6px); border-color: rgba(109,94,240,0.35); box-shadow: 0 18px 44px rgba(17,17,20,0.09); }
.step-no {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 17px; color: #fff; margin-bottom: 18px;
  background: var(--ink);
}
.step h3 { font-size: 19px; margin: 0 0 8px; }
.step p { color: var(--ink-soft); font-size: 14.5px; margin: 0; }

/* Safety (mirrors developedmind: header + line-art cards) ---- */
.safety-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; gap: 20px; }
.safety-header h2 { font-size: clamp(28px, 4.4vw, 44px); margin: 0; }
.safety-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.safety-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.safety-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(17,17,20,0.08); }
.safety-icon {
  width: 100%; aspect-ratio: 4 / 3;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.safety-icon svg { width: 120px; height: 120px; stroke: var(--ink); fill: none; stroke-width: 1; stroke-linecap: round; stroke-linejoin: round; }
.safety-card h3 { font-size: 19px; font-weight: 700; margin: 0 0 8px; }
.safety-card p { font-size: 15px; color: var(--ink-soft); margin: 0; line-height: 1.6; }
.crisis {
  margin-top: 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  color: var(--ink-soft);
  font-size: 15px;
}
.crisis strong { color: var(--ink); }
.crisis a { color: var(--accent); text-decoration: underline; white-space: nowrap; }

/* Support page ---------------------------------------------- */
.support { padding: 80px 0 110px; }
.support .doc { max-width: 760px; margin: 0 auto; }
.support h2.sec { font-size: 24px; margin: 44px 0 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.app-info { display: flex; gap: 16px; flex-wrap: wrap; margin: 18px 0 8px; }
.app-info-item { flex: 1; min-width: 150px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px 18px; }
.app-info-item h4 { font-family: "Inter", sans-serif; color: var(--ink-faint); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; margin: 0 0 4px; font-weight: 600; }
.app-info-item p { color: var(--ink); margin: 0; font-weight: 600; }
.faq-item { margin-bottom: 22px; }
.faq-item h3 { font-size: 18px; margin: 0 0 6px; }
.faq-item p { color: var(--ink-soft); font-size: 15.5px; margin: 0; }
.faq-item a { color: var(--accent); text-decoration: underline; }
.contact-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 30px;
  text-align: center;
  margin: 20px 0;
}
.contact-box h3 { margin: 0 0 6px; }
.contact-box p { color: var(--ink-soft); margin: 0 0 14px; }
.contact-box a { font-size: 18px; font-weight: 600; color: var(--accent); }

/* Membership tiers ------------------------------------------ */
.tiers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 760px; margin: 0 auto; }
.tier {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  box-shadow: 0 6px 22px rgba(17,17,20,0.04);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}
.tier:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(17,17,20,0.09); }
.tier-featured { border-color: rgba(109,94,240,0.45); box-shadow: 0 14px 40px rgba(109,94,240,0.12); }
.tier-badge {
  position: absolute; top: -12px; left: 30px;
  background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
}
.tier h3 { font-size: 22px; margin: 0 0 4px; }
.tier-cycle { color: var(--ink-faint); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; margin: 0 0 14px; }
.tier p { color: var(--ink-soft); font-size: 15px; margin: 0; }
.tiers-note { max-width: 760px; margin: 28px auto 0; color: var(--ink-soft); font-size: 14.5px; text-align: center; }

/* Subscription details (fine print) ------------------------- */
.sub-legal { padding: 64px 0 88px; }
.sub-legal-box { max-width: 760px; margin: 0 auto; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.sub-legal-box h3 { font-size: 18px; margin: 0 0 14px; }
.sub-legal-box p { color: var(--ink-soft); font-size: 13.5px; line-height: 1.7; margin: 0 0 12px; }
.sub-legal-box p:last-child { margin-bottom: 0; }
.sub-legal-box a { color: var(--accent); text-decoration: underline; }
.sub-legal-box strong { color: var(--ink); }

/* CTA band (dark, for pro contrast) -------------------------- */
.cta-band {
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(60% 120% at 50% 0%, rgba(109,94,240,0.32), transparent 60%),
    radial-gradient(50% 110% at 80% 100%, rgba(79,166,214,0.20), transparent 60%),
    #0d0d12;
  padding: 116px 0;
}
.cta-band h2 { font-size: clamp(32px, 5vw, 52px); margin: 0 0 18px; color: #fff; }
.cta-band p { color: rgba(255,255,255,0.72); max-width: 520px; margin: 0 auto 34px; font-size: 18px; }
.cta-band .btn-primary { background: #fff; color: var(--ink); box-shadow: 0 14px 40px rgba(0,0,0,0.4); }
.cta-band .btn-primary::after { background: linear-gradient(100deg, transparent, rgba(17,17,20,0.12), transparent); }

/* Footer ----------------------------------------------------- */
footer.site { padding: 64px 0 72px; border-top: 1px solid var(--border); background: var(--bg); }
footer.site .cols { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
footer.site .brand span { font-size: 17px; }
footer.site .tagline { color: var(--ink-faint); font-size: 14px; max-width: 320px; margin-top: 14px; }
footer.site .links { display: flex; gap: 40px; flex-wrap: wrap; }
footer.site .links h4 { font-family: "Inter", sans-serif; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 14px; font-weight: 600; }
footer.site .links a { display: block; color: var(--ink-soft); font-size: 14px; padding: 5px 0; transition: color 0.2s; }
footer.site .links a:hover { color: var(--accent); }
footer.site .legal { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); color: var(--ink-faint); font-size: 13px; line-height: 1.7; }

/* Legal pages ------------------------------------------------ */
.legal { padding: 80px 0 110px; }
.legal .doc { max-width: 760px; margin: 0 auto; }
.legal h1 { font-size: clamp(34px, 5vw, 48px); margin: 0 0 6px; }
.legal .updated { color: var(--ink-faint); font-size: 14px; margin-bottom: 10px; }
.legal .commitment { color: var(--ink-soft); font-size: 17px; border-left: 2px solid var(--accent); padding-left: 18px; margin: 26px 0 36px; }
.legal h2 { font-size: 22px; margin: 38px 0 10px; color: var(--ink); }
.legal p { color: var(--ink-soft); white-space: pre-wrap; margin: 0 0 14px; }
.legal a { color: var(--accent); text-decoration: underline; }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-faint); font-size: 14px; margin-bottom: 28px; }
.back-link:hover { color: var(--ink); }

/* Scroll reveal --------------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* Responsive ------------------------------------------------- */
@media (max-width: 860px) {
  .nav-links { position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 0; background: rgba(255,255,255,0.98); border-bottom: 1px solid var(--border); padding: 12px 24px 24px; transform: translateY(-130%); transition: transform 0.4s var(--ease); }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 14px 0; width: 100%; border-bottom: 1px solid var(--border); }
  .nav-cta { text-align: center; margin-top: 10px; }
  .nav-toggle { display: block; }
  .pillars { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .safety-header { flex-direction: column; align-items: flex-start; }
  .tiers { grid-template-columns: 1fr; }
  .feature { grid-template-columns: 1fr; gap: 28px; padding: 36px 0; }
  .feature:nth-child(even) .feature-media { order: 0; }
  footer.site .cols { flex-direction: column; }
}

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