/* =========================================================
   Darkline — Liquid Glass design system
   ========================================================= */

:root{
  /* base */
  --bg-base: #0b0d17;
  --bg-radial: #12142a;

  /* glass surface */
  --glass-bg: rgba(255,255,255,0.12);
  --glass-bg-strong: rgba(255,255,255,0.18);
  --glass-bg-soft: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.35);
  --glass-highlight: rgba(255,255,255,0.6);

  /* text */
  --text: #ffffff;
  --text-dim: rgba(255,255,255,0.65);
  --text-faint: rgba(255,255,255,0.35);

  /* blob palette */
  --blob-violet-a: #7c5cff;
  --blob-violet-b: #3a2ba3;
  --blob-pink-a: #ff6fa5;
  --blob-pink-b: #a5227e;
  --blob-cyan-a: #4fd7ff;
  --blob-cyan-b: #1f6fbf;
  --blob-amber-a: #ffd76f;
  --blob-amber-b: #d98a2b;

  /* layout */
  --maxw: 1160px;
  --gap: 24px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  min-height: 100vh;
  background: var(--bg-base);
  color: var(--text);
  font-family: -apple-system, "SF Pro Display", "Segoe UI", Inter, system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
ul{ margin: 0; padding: 0; list-style: none; }

.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   Background layer — dark base + animated blobs + grain
   ========================================================= */

.bg{
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: radial-gradient(circle at 30% 20%, var(--bg-radial) 0%, var(--bg-base) 60%);
}

.blob{
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  mix-blend-mode: screen;
  will-change: transform, filter;
}

.blob--1{
  width: 42vw; height: 42vw;
  top: -12vh; left: -8vw;
  background: radial-gradient(circle, var(--blob-violet-a), var(--blob-violet-b));
  opacity: .55;
  animation: float-1 26s ease-in-out infinite, hue-1 42s linear infinite;
}
.blob--2{
  width: 38vw; height: 38vw;
  top: 40vh; right: -10vw;
  background: radial-gradient(circle, var(--blob-pink-a), var(--blob-pink-b));
  opacity: .5;
  animation: float-2 31s ease-in-out infinite, hue-2 47s linear infinite;
}
.blob--3{
  width: 34vw; height: 34vw;
  bottom: -14vh; left: 12vw;
  background: radial-gradient(circle, var(--blob-cyan-a), var(--blob-cyan-b));
  opacity: .5;
  animation: float-3 24s ease-in-out infinite, hue-3 39s linear infinite;
}
.blob--4{
  width: 30vw; height: 30vw;
  bottom: 6vh; right: 18vw;
  background: radial-gradient(circle, var(--blob-amber-a), var(--blob-amber-b));
  opacity: .45;
  animation: float-4 29s ease-in-out infinite, hue-4 50s linear infinite;
}

@keyframes float-1{
  0%,100%{ transform: translate(0,0) scale(1); }
  33%{ transform: translate(4vw,6vh) scale(1.06); }
  66%{ transform: translate(-3vw,3vh) scale(0.95); }
}
@keyframes float-2{
  0%,100%{ transform: translate(0,0) scale(1); }
  40%{ transform: translate(-6vw,-4vh) scale(0.94); }
  70%{ transform: translate(-2vw,5vh) scale(1.08); }
}
@keyframes float-3{
  0%,100%{ transform: translate(0,0) scale(1); }
  35%{ transform: translate(5vw,-5vh) scale(1.05); }
  68%{ transform: translate(2vw,-2vh) scale(0.96); }
}
@keyframes float-4{
  0%,100%{ transform: translate(0,0) scale(1); }
  45%{ transform: translate(-4vw,4vh) scale(1.07); }
  75%{ transform: translate(3vw,-3vh) scale(0.93); }
}
@keyframes hue-1{ 0%{ filter: blur(70px) hue-rotate(0deg);} 100%{ filter: blur(70px) hue-rotate(360deg);} }
@keyframes hue-2{ 0%{ filter: blur(70px) hue-rotate(0deg);} 100%{ filter: blur(70px) hue-rotate(-360deg);} }
@keyframes hue-3{ 0%{ filter: blur(70px) hue-rotate(0deg);} 100%{ filter: blur(70px) hue-rotate(360deg);} }
@keyframes hue-4{ 0%{ filter: blur(70px) hue-rotate(0deg);} 100%{ filter: blur(70px) hue-rotate(-360deg);} }

.grain{
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .03;
  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='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (prefers-reduced-motion: reduce){
  .blob{ animation: none !important; }
  html{ scroll-behavior: auto; }
}

/* =========================================================
   Glass surface — the core reusable component
   ========================================================= */

.glass{
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  box-shadow:
    0 8px 32px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.5),
    inset 0 0 0 1px rgba(255,255,255,0.04);
  overflow: hidden;
}
.glass::before{
  content:"";
  position:absolute;
  top:0; left:0; right:0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.35), rgba(255,255,255,0) 100%);
  pointer-events:none;
  opacity:0.5;
}

.glass--soft{ background: var(--glass-bg-soft); backdrop-filter: blur(12px) saturate(160%); -webkit-backdrop-filter: blur(12px) saturate(160%); }
.glass--strong{ background: var(--glass-bg-strong); backdrop-filter: blur(32px) saturate(170%); -webkit-backdrop-filter: blur(32px) saturate(170%); }

/* =========================================================
   Navigation
   ========================================================= */

.nav{
  position: sticky;
  top: 16px;
  z-index: 20;
  margin: 16px auto 0;
  max-width: calc(var(--maxw) - 0px);
  width: calc(100% - 32px);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav .brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 18px;
}

.nav .brand .mark{
  width: 28px; height: 28px;
  border-radius: 9px;
  background: linear-gradient(145deg, var(--blob-violet-a), var(--blob-cyan-b));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
  flex-shrink: 0;
}

.nav-links{
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a{
  color: var(--text-dim);
  font-size: 15px;
  transition: color 150ms ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color: var(--text); }

.nav-cta{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #1a1a2e;
  background: linear-gradient(145deg, rgba(255,255,255,0.55), rgba(255,255,255,0.12));
  border: 1px solid rgba(255,255,255,0.5);
  transition: transform 150ms ease, box-shadow 150ms ease;
}
.nav-cta:hover{ transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,0.25); }
.nav-cta:active{ transform: scale(0.98); }

.nav-toggle{
  display: none;
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-soft);
  color: var(--text);
  align-items: center;
  justify-content: center;
}

/* =========================================================
   Buttons
   ========================================================= */

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.btn-primary{
  color: #1a1a2e;
  background: linear-gradient(145deg, rgba(255,255,255,0.55), rgba(255,255,255,0.12));
  border-color: rgba(255,255,255,0.5);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.btn-primary:hover{ transform: translateY(-1px); box-shadow: 0 12px 30px rgba(0,0,0,0.35); }
.btn-primary:active{ transform: scale(0.98); }

.btn-ghost{
  color: var(--text);
  background: var(--glass-bg-soft);
  border-color: var(--glass-border);
}
.btn-ghost:hover{ transform: translateY(-1px); background: var(--glass-bg); }
.btn-ghost:active{ transform: scale(0.98); }

/* =========================================================
   Typography
   ========================================================= */

h1,h2,h3,h4{
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 .5em;
}

h1{ font-size: clamp(2.6rem, 5.5vw, 4.6rem); line-height: 1.05; }
h2{ font-size: clamp(1.8rem, 3.2vw, 2.6rem); line-height: 1.15; }
h3{ font-size: 1.25rem; }

p{ color: var(--text-dim); margin: 0 0 1em; }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.eyebrow::before{
  content:"";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blob-cyan-a);
  box-shadow: 0 0 10px var(--blob-cyan-a);
}

.meta, .micro{
  color: var(--text-faint);
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* =========================================================
   Hero
   ========================================================= */

.hero{
  position: relative;
  z-index: 2;
  padding: 110px 0 80px;
  min-height: 92vh;
  display: flex;
  align-items: center;
}

.hero-grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-copy .lede{
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 46ch;
}

.hero-actions{
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-stats{
  display: flex;
  gap: 32px;
  margin-top: 48px;
}
.hero-stats div strong{
  display: block;
  font-size: 1.4rem;
  font-weight: 600;
}
.hero-stats div span{
  font-size: 13px;
  color: var(--text-faint);
}

/* floating "server preview" card */
.hero-card-wrap{
  perspective: 1000px;
}

.hero-card{
  padding: 28px;
  transform-style: preserve-3d;
  will-change: transform;
}

.hero-card .presence{
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.hero-card .dot{
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--blob-cyan-a);
  box-shadow: 0 0 8px var(--blob-cyan-a);
}
.hero-card .presence span{ font-size: 13px; color: var(--text-dim); }

.avatar-stack{
  display: flex;
  margin-bottom: 20px;
}
.avatar-stack .avatar{
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(11,13,23,0.9);
  margin-left: -12px;
  background: linear-gradient(145deg, var(--a), var(--b));
}
.avatar-stack .avatar:first-child{ margin-left: 0; }

.hero-card .channel-row{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg-soft);
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-dim);
}
.hero-card .channel-row .hash{ color: var(--text-faint); }
.hero-card .channel-row.active{ background: var(--glass-bg-strong); color: var(--text); }

/* =========================================================
   Section scaffolding
   ========================================================= */

.section{
  position: relative;
  z-index: 2;
  padding: 90px 0;
}

.section-head{
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head p{ margin: 0 auto; }

.reveal{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* pillars */
.pillars{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.pillar{
  padding: 32px 28px;
}
.pillar .icon{
  width: 44px; height: 44px;
  border-radius: 14px;
  margin-bottom: 20px;
  background: linear-gradient(145deg, var(--ia), var(--ib));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
}
.pillar h3{ margin-bottom: 10px; }
.pillar p{ font-size: 14.5px; margin: 0; }

/* together / quotes */
.quotes{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.quote-card{
  padding: 26px;
}
.quote-card p{
  font-size: 15px;
  color: var(--text-dim);
  margin-bottom: 18px;
}
.quote-card .who{
  display: flex;
  align-items: center;
  gap: 10px;
}
.quote-card .who .avatar{
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--a), var(--b));
}
.quote-card .who span{ font-size: 13px; color: var(--text-faint); }

/* channel dock preview */
.dock-preview{
  padding: 40px 32px;
}
.dock-preview-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.dock{
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.dock-item{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
  border-radius: var(--radius-sm);
  min-width: 108px;
  transition: transform 150ms ease;
}
.dock-item:hover{ transform: translateY(-6px) scale(1.03); }
.dock-item .glyph{
  width: 38px; height: 38px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--ia), var(--ib));
}
.dock-item span{ font-size: 13px; color: var(--text-dim); }

/* CTA band */
.cta-band{
  padding: 64px 48px;
  text-align: center;
}
.cta-band h2{ margin-bottom: 14px; }
.cta-band p{ max-width: 48ch; margin: 0 auto 32px; }

/* =========================================================
   Footer
   ========================================================= */

.site-footer{
  position: relative;
  z-index: 2;
  padding: 48px 0 40px;
}
.footer-inner{
  padding: 36px 40px;
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-col h4{
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 14px;
}
.footer-col a{
  display: block;
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 10px;
  transition: color 150ms ease;
}
.footer-col a:hover{ color: var(--text); }
.footer-brand{ max-width: 280px; }
.footer-brand .brand{ display:flex; align-items:center; gap:10px; font-weight:600; margin-bottom: 12px; }
.footer-brand .mark{ width: 24px; height: 24px; border-radius: 8px; background: linear-gradient(145deg, var(--blob-violet-a), var(--blob-cyan-b)); }
.footer-brand p{ font-size: 13px; color: var(--text-faint); }
.footer-bottom{
  max-width: var(--maxw);
  margin: 20px auto 0;
  padding: 0 40px;
  font-size: 12px;
  color: var(--text-faint);
}

/* =========================================================
   Legal / content pages
   ========================================================= */

.page-hero{
  padding: 150px 0 40px;
  position: relative;
  z-index: 2;
}
.page-hero .eyebrow{ margin-bottom: 14px; }
.page-hero p{ max-width: 60ch; }

.legal{
  position: relative;
  z-index: 2;
  padding: 20px 0 100px;
}
.legal-card{
  padding: 48px;
}
.legal h2{
  font-size: 1.3rem;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.legal h2:first-child{ margin-top: 0; padding-top: 0; border-top: none; }
.legal p, .legal li{
  color: var(--text-dim);
  font-size: 15px;
}
.legal ul{ margin: 0 0 1em; padding-left: 1.2em; list-style: disc; }
.legal li{ margin-bottom: 6px; }
.legal strong{ color: var(--text); }
.legal-note{
  padding: 18px 22px;
  margin-bottom: 36px;
  font-size: 13.5px;
  color: var(--text-dim);
}

.toc{
  padding: 28px;
  margin-bottom: 32px;
}
.toc h4{ font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin-bottom: 14px; }
.toc a{ display:block; color: var(--text-dim); font-size: 14px; padding: 6px 0; }
.toc a:hover{ color: var(--text); }

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-card-wrap{ order: -1; max-width: 420px; }
  .pillars, .quotes{ grid-template-columns: 1fr; }
  .nav-links{ display: none; }
  .nav-toggle{ display: inline-flex; }
  .footer-inner{ flex-direction: column; }
}

@media (max-width: 560px){
  .legal-card{ padding: 28px 22px; }
  .cta-band{ padding: 48px 24px; }
}

:focus-visible{
  outline: 2px solid rgba(255,255,255,0.7);
  outline-offset: 2px;
}