:root {
  --ink: #12151c;
  --ink-soft: #3a4254;
  --mute: #6b7385;
  --paper: #eef1f4;
  --paper-2: #e2e7ee;
  --line: #cfd6e0;
  --accent: #0f6e56;
  --accent-deep: #0a5340;
  --accent-soft: #d7efe6;
  --shadow: 0 18px 40px rgba(18, 21, 28, 0.08);
  --font-display: "Bricolage Grotesque", Georgia, serif;
  --font-body: "Figtree", "Trebuchet MS", sans-serif;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --max: 68rem;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), transparent 28%),
    repeating-linear-gradient(
      -12deg,
      transparent 0 22px,
      rgba(18, 21, 28, 0.015) 22px 23px
    ),
    radial-gradient(120% 80% at 100% -10%, #d9e8e2 0%, transparent 45%),
    radial-gradient(90% 60% at -10% 20%, #dde3ee 0%, transparent 40%),
    var(--paper);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--accent-deep); }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem var(--pad);
  backdrop-filter: blur(10px);
  background: rgba(238, 241, 244, 0.82);
  border-bottom: 1px solid rgba(207, 214, 224, 0.7);
}

.top-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.85rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.top-nav a { text-decoration: none; color: var(--ink-soft); }
.top-nav a:hover { color: var(--ink); }

.top-login {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

/* —— Hero: one composition —— */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
  min-height: calc(100svh - 3.5rem);
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2rem, 6vh, 4rem) var(--pad) clamp(2.5rem, 7vh, 4.5rem);
}

.brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 9vw, 6.5rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
  color: var(--ink);
}

.brand-sm {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 0.5rem;
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 3.4vw, 2.45rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0 0 1.75rem;
  max-width: 32ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1.2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.btn-primary {
  color: #f4fffa;
  background: var(--accent);
  border-color: var(--accent-deep);
}

.btn-primary:hover {
  color: #fff;
  background: var(--accent-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--ink-soft);
  background: transparent;
  border-color: var(--line);
}

.btn-ghost:hover {
  color: var(--ink);
  border-color: var(--ink-soft);
}

.hero-visual {
  position: relative;
  min-height: 22rem;
  align-self: stretch;
  display: flex;
  align-items: center;
}

.stage {
  position: relative;
  width: 100%;
  min-height: 24rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(232, 238, 244, 0.4)),
    repeating-linear-gradient(90deg, transparent 0 18px, rgba(15, 110, 86, 0.04) 18px 19px);
  overflow: hidden;
}

.stage-glow {
  position: absolute;
  inset: auto -20% -35% 20%;
  height: 70%;
  background: radial-gradient(closest-side, rgba(15, 110, 86, 0.22), transparent 70%);
  pointer-events: none;
  animation: drift 10s ease-in-out infinite alternate;
}

.link-chip {
  position: relative;
  z-index: 2;
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-bottom: 1rem;
  padding: 0.7rem 0.9rem;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  animation: rise 700ms ease both;
}

.link-chip-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
}

.link-chip-url {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.room-frame {
  position: relative;
  z-index: 1;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  animation: rise 900ms 120ms ease both;
}

.room-bar {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.room-dot {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--accent);
}

.peers {
  list-style: none;
  margin: 0;
  padding: 0.5rem;
  display: grid;
  gap: 0.4rem;
}

.peer {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.7rem;
  background: var(--paper);
  border: 1px solid transparent;
  font-size: 0.95rem;
}

.peer-host {
  background: var(--accent-soft);
  border-color: rgba(15, 110, 86, 0.18);
}

.peer-join {
  border-style: dashed;
  border-color: var(--line);
  color: var(--mute);
  background: transparent;
}

.avatar {
  display: grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  background: #fff;
  border: 1px solid var(--line);
}

.peer-host .avatar {
  background: var(--accent);
  border-color: var(--accent-deep);
  color: #f4fffa;
}

/* —— Sections —— */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 9vh, 6rem) var(--pad);
}

.section h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.section-lead {
  margin: 0 0 2rem;
  max-width: 40rem;
  color: var(--ink-soft);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem 1.5rem;
  counter-reset: none;
}

.steps li {
  padding-top: 1rem;
  border-top: 2px solid var(--ink);
}

.step-n {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.steps h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.steps p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.teams {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.35);
}

.bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.bullets li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--accent);
}

.teams-note {
  padding: 1.25rem 1.35rem;
  background: var(--ink);
  color: #e8edf4;
}

.teams-note-kicker {
  margin: 0 0 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9aa6b8;
}

.teams-note p:last-child {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.5;
}

.price {
  text-align: left;
}

.price-block {
  max-width: 26rem;
  padding: 1.5rem 0 0;
  border-top: 2px solid var(--ink);
}

.price-amount {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.5rem, 8vw, 5rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.price-amount span { color: var(--accent); }

.price-period {
  margin: 0.4rem 0 1.25rem;
  color: var(--mute);
}

.price-includes {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
  color: var(--ink-soft);
}

.price-includes li::before {
  content: "— ";
  color: var(--accent);
}

.foot {
  padding: clamp(3rem, 8vh, 5rem) var(--pad) 2rem;
  background: #d7dde6;
  border-top: 1px solid var(--line);
}

.foot-cta {
  max-width: var(--max);
  margin: 0 auto 2.5rem;
}

.foot-cta p:not(.brand) {
  margin: 0 0 1.25rem;
  max-width: 28rem;
  color: var(--ink-soft);
}

.foot-meta {
  max-width: var(--max);
  margin: 0 auto;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(18, 21, 28, 0.12);
  color: var(--mute);
  font-size: 0.88rem;
}

/* auth pages */
.auth {
  min-height: calc(100svh - 3.5rem);
  display: grid;
  place-items: center;
  padding: 2rem var(--pad) 3rem;
}

.auth-panel {
  width: min(100%, 24rem);
}

.auth-panel h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.9rem;
  letter-spacing: -0.03em;
}

.auth-panel .lead {
  margin-bottom: 1.5rem;
}

.field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.field span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.field input,
.field select {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(15, 110, 86, 0.35);
  border-color: var(--accent);
}

.auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.1rem;
}

.auth-note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--mute);
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-4%, -3%, 0) scale(1.06); }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    align-items: start;
  }

  .hero-visual { min-height: 18rem; }
  .stage { min-height: 20rem; }

  .steps { grid-template-columns: 1fr; }
  .teams { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .top-nav a:not(.top-login) { display: none; }
  .hero h1 { max-width: none; }
  .lead { max-width: none; }
}

/* —— Cabinet —— */
.cabinet {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--pad) 4rem;
}

.cabinet-head h1 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
}

.mute-inline {
  color: var(--mute);
  font-size: 0.92rem;
}

.create-form {
  max-width: 26rem;
  margin: 0 0 2.5rem;
  padding: 1.25rem 0 0;
  border-top: 2px solid var(--ink);
}

.create-form h2,
.room-list-wrap h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.room-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.room-item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.room-item .share {
  display: inline-block;
  margin-top: 0.35rem;
  word-break: break-all;
  color: var(--accent-deep);
  font-size: 0.92rem;
}

.room-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-start;
}

button.top-login,
button.btn-primary,
button.btn-ghost {
  cursor: pointer;
  font: inherit;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .stage-glow,
  .link-chip,
  .room-frame,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
}