/* ==========================================================================
   Discobar — static site styles
   ========================================================================== */

:root {
  --bg: #0b0b12;
  --bg-alt: #101019;
  --surface: #161622;
  --surface-2: #1c1c2b;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f3f8;
  --muted: #a3a2b5;
  --faint: #6f6e84;
  --accent: #ff5c7a;
  --accent-2: #8b6cff;
  --accent-soft: rgba(255, 92, 122, 0.14);

  --radius: 18px;
  --radius-sm: 10px;
  --container: 1160px;
  --header-h: 68px;

  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; }

h1, h2, h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 750;
}

h1 { font-size: clamp(2.4rem, 4.6vw, 3.7rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }

p { margin: 0 0 1em; }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 100;
}
.skip-link:focus { left: 8px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.accent-text {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- Wordmark ---------- */

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--text);
}

.wordmark sup {
  font-size: 0.5em;
  font-weight: 500;
  color: var(--muted);
  margin-left: 1px;
}

.wordmark-disc {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 4px solid var(--accent);
  position: relative;
  flex: none;
}
.wordmark-disc::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 11, 18, 0.82);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 24px;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  border-radius: 999px;
  transition: color 0.2s, background-color 0.2s;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }

.site-nav .nav-cta {
  color: var(--text);
  border: 1px solid var(--line-strong);
  margin-left: 6px;
}
.site-nav .nav-cta:hover { border-color: var(--accent); background: var(--accent-soft); }

section[id] { scroll-margin-top: var(--header-h); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 650;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s, border-color 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(255, 92, 122, 0.6);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 34px -10px rgba(255, 92, 122, 0.75); }

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--text); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 10vw, 120px) 0 clamp(72px, 10vw, 128px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 820px;
  height: 820px;
  background:
    radial-gradient(closest-side, rgba(139, 108, 255, 0.22), transparent 70%),
    radial-gradient(closest-side at 30% 70%, rgba(255, 92, 122, 0.18), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.lead {
  margin: 28px 0 36px;
  max-width: 40em;
  font-size: 1.15rem;
  color: var(--muted);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-note {
  margin: 28px 0 0;
  font-size: 0.85rem;
  color: var(--faint);
}

/* Session card (hero visual) */

.hero-visual { margin: 0; }

.hero-visual figcaption,
.group-demo figcaption {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--faint);
  text-align: center;
}

.session-card {
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  padding: 26px;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
}

.session-top {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
}
.session-label { font-weight: 650; }
.session-meta { margin-left: auto; color: var(--faint); }

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  flex: none;
}

.session-place { margin: 22px 0 18px; }
.session-place strong { display: block; font-size: 1.35rem; letter-spacing: -0.02em; }
.session-place span { color: var(--muted); font-size: 0.9rem; }

.eq {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 72px;
  padding: 0 2px;
}
.eq span {
  flex: 1;
  height: 30%;
  border-radius: 3px;
  background: linear-gradient(to top, var(--accent), var(--accent-2));
  opacity: 0.85;
  transform-origin: bottom;
  animation: eq 2.4s ease-in-out infinite alternate;
}
.eq span:nth-child(3n)   { animation-duration: 1.9s; height: 55%; }
.eq span:nth-child(3n+1) { animation-duration: 2.7s; height: 80%; }
.eq span:nth-child(4n)   { animation-delay: -0.8s; height: 40%; }
.eq span:nth-child(5n)   { animation-delay: -1.4s; height: 95%; }

@keyframes eq {
  from { transform: scaleY(0.35); }
  to   { transform: scaleY(1); }
}

.session-factors {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.session-factors li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}
.session-factors span { color: var(--faint); }
.session-factors b { font-weight: 550; text-align: right; }

.session-next { margin-top: 18px; }

.next-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.next-bar {
  display: block;
  height: 4px;
  border-radius: 4px;
  background: var(--line);
  overflow: hidden;
}
.next-bar i {
  display: block;
  width: 62%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

/* ---------- Sections ---------- */

.section { padding: clamp(80px, 11vw, 136px) 0; }

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head { max-width: 760px; margin-bottom: 56px; }

.section-intro {
  margin: 20px 0 0;
  font-size: 1.12rem;
  color: var(--muted);
}

/* ---------- Concept ---------- */

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.problem {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.problem h3 { margin-bottom: 10px; }
.problem p { margin: 0; color: var(--muted); font-size: 0.97rem; }

.problem-num {
  display: block;
  margin-bottom: 26px;
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

.answer {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  margin-top: 28px;
  padding: clamp(32px, 5vw, 56px);
  border-radius: 24px;
  background:
    radial-gradient(600px 300px at 0% 0%, rgba(255, 92, 122, 0.14), transparent 70%),
    radial-gradient(600px 300px at 100% 100%, rgba(139, 108, 255, 0.14), transparent 70%),
    var(--surface);
  border: 1px solid var(--line-strong);
}
.answer h3 { font-size: 1.6rem; margin-bottom: 18px; }
.answer-copy p { color: var(--muted); }
.answer-copy p:last-child { margin-bottom: 0; }

.answer-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  align-content: center;
}
.answer-points li {
  padding-left: 20px;
  border-left: 2px solid var(--accent);
}
.answer-points strong { display: block; }
.answer-points span { color: var(--muted); font-size: 0.95rem; }

/* ---------- How it works ---------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  counter-increment: step;
}
.step::before {
  content: "0" counter(step);
  position: absolute;
  top: 28px;
  right: 26px;
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--faint);
}
.step h3 { margin: 22px 0 10px; }
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.step-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-soft);
}
.step-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Solutions ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  padding: 34px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: border-color 0.25s, transform 0.25s;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card h3 { font-size: 1.45rem; margin-bottom: 14px; }
.card p { color: var(--muted); }
.card p:last-child { margin-bottom: 0; }

.card-kicker {
  margin: 0 0 10px !important;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent) !important;
}

.card-feature {
  grid-column: 1 / -1;
  background:
    radial-gradient(700px 320px at 100% 0%, rgba(139, 108, 255, 0.16), transparent 70%),
    var(--surface);
  border-color: var(--line-strong);
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  column-gap: 48px;
}
.card-feature .card-kicker,
.card-feature h3,
.card-feature > p { grid-column: 1; }
.card-feature h3 { font-size: 1.8rem; }
.card-feature .card-list { grid-column: 2; grid-row: 1 / span 3; align-self: center; }

.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.card-list li {
  position: relative;
  padding: 14px 16px 14px 44px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  font-size: 0.95rem;
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border-radius: 50%;
  border: 2px solid var(--accent);
}

.fine-print {
  margin: 28px 0 0;
  font-size: 0.85rem;
  color: var(--faint);
}

/* ---------- Intelligent & social ---------- */

.social-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.social-copy h2 { margin-bottom: 22px; }
.social-copy > p { color: var(--muted); font-size: 1.08rem; }

.feature-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}
.feature-list li { padding-left: 20px; border-left: 2px solid var(--line-strong); }
.feature-list strong { display: block; margin-bottom: 2px; }
.feature-list span { color: var(--muted); font-size: 0.97rem; }

.group-demo {
  margin: 0;
  padding: 26px;
  border-radius: 24px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.7);
}

.demo-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 18px;
}

.guests {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.guests li {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}
.guests b { font-size: 0.92rem; font-weight: 600; }
.guests em { grid-column: 2; font-style: normal; font-size: 0.8rem; color: var(--faint); }
.guests .avatar { grid-row: span 2; }

.guest-join { grid-column: 1 / -1; border-style: dashed !important; }

.avatar {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
  color: #0b0b12;
}

/* Shared colour set for avatars and the blend chart */
.a1, .b1 { background: #ff5c7a; }
.a2, .b4 { background: #4fd1c5; }
.a3, .b2 { background: #ffb547; }
.a4, .b3 { background: #8b6cff; }
.a5 { background: var(--surface-2); color: var(--text); border: 1px dashed var(--line-strong); }
.b5 { background: #e8e6f2; }

.blend { margin-top: 22px; }
.blend-title { margin: 0 0 10px; font-size: 0.85rem; font-weight: 600; }

.blend-bar {
  display: flex;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  gap: 3px;
}
.blend-bar span { width: var(--w); }

.blend-legend {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 0.78rem;
  color: var(--muted);
}
.blend-legend li { display: inline-flex; align-items: center; gap: 6px; }
.blend-legend i { width: 8px; height: 8px; border-radius: 50%; }

.up-next {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(255, 92, 122, 0.3);
}
.up-next p { margin: 0; font-size: 0.95rem; }

/* ---------- Ecosystem ---------- */

.eco-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.eco {
  padding: 28px 0 0;
  border-top: 2px solid var(--line-strong);
}
.eco:first-child { border-top-color: var(--accent); }
.eco h3 { margin-bottom: 12px; }
.eco p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.statement {
  margin: 72px 0 0;
  padding: 0;
  max-width: 900px;
}
.statement p {
  margin: 0;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.statement p::before {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin-bottom: 24px;
  background: var(--accent);
  border-radius: 2px;
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}

.about-copy p { color: var(--muted); font-size: 1.05rem; }
.about-copy strong { color: var(--text); }

.facts {
  margin: 36px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.facts div { padding: 18px 22px; background: var(--bg-alt); }
.facts dt {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}
.facts dd { margin: 4px 0 0; font-weight: 600; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}
.contact-card h3 { margin-bottom: 10px; }
.contact-card p { color: var(--muted); font-size: 0.95rem; }
.contact-card .contact-link { margin: auto 0 0; }

.contact-link a,
.legal a:not(.back) {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.contact-link a:hover,
.legal a:not(.back):hover { text-decoration: underline; }

.postal {
  margin: 28px 0 0;
  font-style: normal;
  color: var(--muted);
  font-size: 0.95rem;
}
.postal strong { color: var(--text); margin-right: 8px; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 56px 0 32px;
  font-size: 0.92rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-brand p { margin: 10px 0 0; color: var(--muted); }
.footer-brand .footer-company { color: var(--faint); margin-top: 4px; }

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
}
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--text); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.82rem;
}
.footer-bottom p { margin: 0; }

/* ---------- Legal pages ---------- */

.legal {
  padding: clamp(56px, 8vw, 96px) 0;
}
.legal .container { max-width: 780px; }
.legal h1 { font-size: clamp(2.2rem, 4.5vw, 3rem); margin-bottom: 12px; }
.legal h2 { font-size: 1.35rem; margin: 44px 0 12px; }
.legal p, .legal li { color: var(--muted); }
.legal strong { color: var(--text); }
.legal .updated { color: var(--faint); font-size: 0.9rem; }
.legal .back { display: inline-block; margin-top: 48px; color: var(--accent); text-decoration: none; font-weight: 600; }

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .hero-grid,
  .social-grid,
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 520px; }
  .group-demo { max-width: 560px; }
  .steps,
  .eco-grid,
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .answer { grid-template-columns: 1fr; gap: 32px; }
  .card-feature { grid-template-columns: 1fr; }
  .card-feature .card-list { grid-column: 1; grid-row: auto; margin-top: 8px; }
}

@media (max-width: 820px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding-top: 12px;
    padding-bottom: 8px;
  }
  .site-nav {
    margin: 0 -24px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav ul { padding: 0 18px; }
  .site-nav a { padding: 6px 12px; }
  :root { --header-h: 104px; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .problem-grid,
  .cards,
  .steps,
  .eco-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .card, .card-feature { padding: 26px; }
  .guests { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .eq span { animation: none; }
  .btn, .card { transition: none; }
}