:root{
  --bg:#050505;
  --panel:rgba(255,255,255,.96);
  --text:#f7f7f7;
  --ink:#111;
  --muted:#b8b8be;
  --accent:#6657ff;
  --accent-dark:#4c3fd6;
  --line:rgba(255,255,255,.14);
  --radius:18px;
  --shadow:0 20px 60px rgba(0,0,0,.28);
  --max:1180px;
}

*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

html{
  scroll-behavior:smooth;
  background:var(--bg);
}

body{
  min-height:100vh;
  overflow-x:hidden;
  background:
    radial-gradient(circle at 20% 10%,rgba(61,78,255,.09),transparent 30%),
    radial-gradient(circle at 85% 18%,rgba(102,87,255,.08),transparent 28%),
    var(--bg);
  color:var(--text);
  font-family:"Helvetica Neue",Arial,sans-serif;
  line-height:1.6;
}

a{
  color:inherit;
}

#stars{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  overflow:hidden;
}

.star{
  position:absolute;
  width:2px;
  height:2px;
  border-radius:50%;
  background:#fff;
  opacity:.55;
  animation:twinkle 2.4s infinite ease-in-out alternate;
}

@keyframes twinkle{
  from{
    opacity:.18;
    transform:scale(.8);
  }

  to{
    opacity:.9;
    transform:scale(1.25);
  }
}

header,
main,
footer{
  position:relative;
  z-index:1;
}

.wrap{
  width:min(calc(100% - 36px),var(--max));
  margin-inline:auto;
}

header{
  position:sticky;
  top:0;
  z-index:30;
  background:rgba(5,5,5,.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}

nav{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand{
  font-weight:800;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
}

.nav-links{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:22px;
  flex-wrap:wrap;
}

.nav-links a{
  color:#f4f4f4;
  text-decoration:none;
  font-size:.96rem;
  opacity:.88;
}

.nav-links a:hover,
.nav-links a:focus{
  color:#fff;
  opacity:1;
}

.hero{
  min-height:82vh;
  display:grid;
  place-items:center;
  text-align:center;
  padding:90px 0 70px;
}

.hero-inner{
  max-width:900px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 13px;
  border:1px solid var(--line);
  border-radius:999px;
  color:#d9d9dd;
  background:rgba(255,255,255,.035);
  font-size:.82rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:22px;
}

.hero h1{
  font-size:clamp(2.7rem,7vw,5.7rem);
  line-height:.98;
  letter-spacing:-.045em;
  margin-bottom:22px;
}

.hero .tagline{
  font-size:clamp(1.2rem,2.6vw,1.85rem);
  max-width:780px;
  margin:0 auto 18px;
  color:#e8e8eb;
}

.colorful-text{
  display:inline-block;
  background:linear-gradient(
    90deg,
    #ff3b30,
    #ff9500,
    #ffd60a,
    #30d158,
    #0a84ff,
    #5e5ce6,
    #bf5af2
  );
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-weight:900;
}

.hero .positioning{
  max-width:760px;
  margin:22px auto 28px;
  color:var(--muted);
  font-size:1.08rem;
}

.hero-logo{
  width:min(345px,64vw);
  aspect-ratio:1/1;
  object-fit:contain;
  display:block;
  margin:30px auto 24px;
}

.hero-actions,
.contact-actions{
  display:flex;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
  margin-top:28px;
}

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:13px 22px;
  border-radius:10px;
  border:1px solid transparent;
  text-decoration:none;
  font-weight:800;
  transition:
    transform .18s ease,
    background .18s ease,
    border-color .18s ease;
  cursor:pointer;
  font:inherit;
}

.button:hover{
  transform:translateY(-2px);
}

.button.primary{
  background:var(--accent);
  color:#fff;
}

.button.primary:hover{
  background:var(--accent-dark);
}

.button.secondary{
  background:rgba(255,255,255,.06);
  border-color:var(--line);
  color:#fff;
}

.section{
  padding:86px 0;
}

section[id]{
  scroll-margin-top:92px;
}

.section-heading{
  max-width:820px;
  margin:0 auto 34px;
  text-align:center;
}

.section-heading h1,
.section-heading h2{
  font-size:clamp(2rem,4.6vw,3.5rem);
  line-height:1.05;
  letter-spacing:-.035em;
  margin-bottom:14px;
}

.section-heading p{
  color:var(--muted);
  font-size:1.06rem;
}

.manifesto{
  max-width:930px;
  margin:0 auto;
  padding:clamp(28px,5vw,54px);
  background:var(--panel);
  color:var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  text-align:left;
}

.manifesto p{
  font-size:clamp(1.12rem,2vw,1.35rem);
  margin-bottom:14px;
}

.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
  align-items:stretch;
}

.card{
  min-height:100%;
  display:flex;
  flex-direction:column;
  text-align:left;
  background:var(--panel);
  color:var(--ink);
  border-radius:var(--radius);
  padding:30px;
  box-shadow:var(--shadow);
  border:1px solid rgba(0,0,0,.06);
}

.card .kicker{
  color:var(--accent);
  text-transform:uppercase;
  font-weight:900;
  font-size:.75rem;
  letter-spacing:.12em;
  margin-bottom:12px;
}

.card h3{
  font-size:clamp(1.5rem,2.5vw,2rem);
  line-height:1.08;
  letter-spacing:-.025em;
  margin-bottom:12px;
}

.card p{
  color:#444;
  margin-bottom:20px;
  font-size:1.05rem;
  line-height:1.66;
}

.card .card-link{
  margin-top:auto;
  color:var(--accent);
  text-decoration:none;
  font-weight:900;
}

.card .card-link:hover{
  text-decoration:underline;
}

.library-note{
  margin:18px auto 0;
  color:#9f9fa6;
  text-align:center;
  font-size:.92rem;
}

.newsletter,
.contact{
  max-width:960px;
  margin-inline:auto;
  border-radius:var(--radius);
  padding:clamp(30px,6vw,58px);
}

.newsletter{
  background:linear-gradient(
    135deg,
    rgba(102,87,255,.16),
    rgba(191,90,242,.10)
  );
  border:1px solid var(--line);
  text-align:center;
}

.newsletter h2,
.contact h2{
  font-size:clamp(2rem,4vw,3rem);
  line-height:1.06;
  letter-spacing:-.03em;
  margin-bottom:12px;
}

.newsletter p,
.contact p{
  color:var(--muted);
  max-width:720px;
  margin:0 auto 24px;
}

.newsletter-form{
  max-width:650px;
  margin:22px auto 0;
  display:grid;
  grid-template-columns:1fr auto;
  gap:10px;
}

input{
  width:100%;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#fff;
  border-radius:10px;
  padding:14px 16px;
  font:inherit;
  outline:none;
}

.form-note{
  margin-top:12px!important;
  font-size:.84rem!important;
  color:#999!important;
}

.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}

.about-panel{
  background:var(--panel);
  color:var(--ink);
  padding:32px;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  text-align:left;
}

.about-panel h3{
  margin-bottom:12px;
  font-size:1.5rem;
}

.about-panel p{
  color:#444;
  margin-bottom:12px;
}

.contact{
  background:rgba(255,255,255,.055);
  border:1px solid var(--line);
  text-align:center;
}

footer{
  margin-top:70px;
  border-top:1px solid var(--line);
  padding:30px 0 42px;
  color:#9a9aa0;
  font-size:.92rem;
}

.footer-inner{
  display:flex;
  gap:16px 28px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}

.footer-links{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

footer a{
  color:#d7d7db;
  text-decoration:none;
}

footer a:hover{
  color:#fff;
}

.library-hero{
  padding:90px 0 35px;
  text-align:center;
}

.library-hero h1{
  font-size:clamp(2.7rem,7vw,5rem);
  line-height:1;
  letter-spacing:-.045em;
  margin-bottom:18px;
}

.library-hero p{
  max-width:760px;
  margin:auto;
  color:var(--muted);
  font-size:1.1rem;
}

@media(max-width:900px){

  .about-grid{
    grid-template-columns:1fr;
  }

  nav{
    align-items:flex-start;
    padding:16px 0;
  }

  .nav-links{
    gap:12px 16px;
  }
}

@media(max-width:680px){

  .wrap{
    width:min(calc(100% - 24px),var(--max));
  }

  header{
    position:relative;
  }

  nav{
    flex-direction:column;
    align-items:center;
  }

  .nav-links{
    justify-content:center;
  }

  .hero{
    min-height:auto;
    padding:64px 0 52px;
  }

  .newsletter-form{
    grid-template-columns:1fr;
  }

  .section{
    padding:62px 0;
  }

  .card{
    padding:27px 24px;
  }
}