/* ============================================================
   Планёрка — Digital sanctuary redesign
   Editorial paper · ink · sage
============================================================ */

:root {
  /* palette — set by Tweaks via root attrs */
  --bg: #f4f1ea;
  --bg-deep: #ecE7d9;
  --ink: #1b1a17;
  --ink-soft: #2a2823;
  --mute: #6b675e;
  --mute-2: #87837a;
  --line: #e2ddd2;
  --line-soft: #ece7db;
  --card: #faf8f3;
  --accent: oklch(0.58 0.06 145);
  --accent-soft: oklch(0.92 0.025 145);
  --accent-deep: oklch(0.48 0.06 145);

  /* type */
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;

  /* rhythm */
  --gap-section: 160px;
  --col-text: 62ch;
}

/* palette variants */
[data-palette="fog"] {
  --bg: #eef0ef;
  --bg-deep: #e3e6e5;
  --ink: #161819;
  --ink-soft: #232628;
  --mute: #6a6f72;
  --mute-2: #8a9094;
  --line: #d9dcdc;
  --line-soft: #e5e8e8;
  --card: #f5f6f6;
  --accent: oklch(0.55 0.04 230);
  --accent-soft: oklch(0.92 0.02 230);
  --accent-deep: oklch(0.45 0.04 230);
}
[data-palette="dusk"] {
  --bg: #f1ece6;
  --bg-deep: #e6dfd4;
  --ink: #1a1714;
  --ink-soft: #2c2823;
  --mute: #74695e;
  --mute-2: #8e8276;
  --line: #ddd4c4;
  --line-soft: #e8e1d4;
  --card: #f7f3ec;
  --accent: oklch(0.55 0.07 35);
  --accent-soft: oklch(0.92 0.025 35);
  --accent-deep: oklch(0.45 0.07 35);
}
[data-palette="ink"] {
  --bg: #1b1a17;
  --bg-deep: #14130f;
  --ink: #f1ede4;
  --ink-soft: #d5d0c4;
  --mute: #8d877a;
  --mute-2: #6f6a5e;
  --line: #2c2a25;
  --line-soft: #232220;
  --card: #211f1b;
  --accent: oklch(0.72 0.07 145);
  --accent-soft: oklch(0.32 0.04 145);
  --accent-deep: oklch(0.82 0.08 145);
}

/* density */
[data-density="compact"] { --gap-section: 112px; }

/* base ============================================================ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--accent-soft); color: var(--ink); }

/* ============================================================ */
/* Lettering logo                                                  */
/* ============================================================ */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.logo .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  flex: 0 0 auto;
  transform: translateY(0.5px);
}
.logo .word {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.012em;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
}
.logo .word em {
  font-style: italic;
  display: inline-block;
  transform: translateY(-0.5px);
  margin: 0 -0.01em;
}
.logo .word .underline { position: relative; }
.logo .word .underline::after {
  content: "";
  position: absolute;
  left: 4%; right: 12%;
  bottom: -2px;
  height: 1px;
  background: var(--accent);
  opacity: 0.55;
}

/* ============================================================ */
/* Top bar                                                        */
/* ============================================================ */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(1.1);
  -webkit-backdrop-filter: blur(16px) saturate(1.1);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 240ms ease, background 240ms ease;
}
.topbar.scrolled { border-bottom-color: var(--line-soft); }
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav a {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--mute);
  text-decoration: none;
  transition: color 180ms ease;
}
.nav a:hover { color: var(--ink); }
.nav .join {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: var(--card);
  transition: border-color 180ms ease, transform 200ms ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav .join:hover { border-color: color-mix(in oklab, var(--ink) 25%, var(--line)); transform: translateY(-1px); }
.nav .join .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 40%, transparent); }
  70% { box-shadow: 0 0 0 8px color-mix(in oklab, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.nav-toggle { display: none; background: none; border: 0; padding: 8px; color: var(--ink); }

@media (max-width: 820px) {
  .topbar-inner { padding: 14px 20px; }
  .nav { gap: 20px; }
  .nav .link { display: none; }
}

/* ============================================================ */
/* Page wrapper                                                   */
/* ============================================================ */
.page { padding-top: 80px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.text-col { max-width: var(--col-text); }
@media (max-width: 720px) { .wrap { padding: 0 20px; } }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px; height: 1px;
  background: currentColor;
  opacity: 0.4;
}

.section-no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

h2.editorial {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
  text-wrap: pretty;
}
h2.editorial em { font-style: italic; color: var(--accent); }

p.lede {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(20px, 2.1vw, 26px);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 32px 0 0;
}

/* ============================================================ */
/* Hero                                                           */
/* ============================================================ */
.hero {
  position: relative;
  padding: clamp(80px, 14vh, 160px) 0 clamp(48px, 6vh, 80px);
  overflow: hidden;
}
.hero .wrap {
  max-width: none;
  padding: 0 clamp(32px, 5vw, 80px);
}
.hero .ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero .ambient .bloom {
  position: absolute;
  width: 900px; height: 900px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
  background: radial-gradient(circle at 30% 30%, var(--accent-soft), transparent 60%);
  top: -180px; left: -200px;
  animation: drift1 28s ease-in-out infinite alternate;
}
.hero .ambient .bloom.b2 {
  width: 700px; height: 700px;
  top: 200px; right: -260px; left: auto;
  background: radial-gradient(circle at 50% 50%, color-mix(in oklab, var(--accent) 18%, transparent), transparent 60%);
  opacity: 0.6;
  animation: drift2 36s ease-in-out infinite alternate;
}
@keyframes drift1 {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(80px, 40px) scale(1.06); }
}
@keyframes drift2 {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(-60px, 50px) scale(1.08); }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 64px;
  align-items: end;
}
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 48px; } }

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 9vw, 140px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin: 28px 0 0;
  text-wrap: pretty;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero h1 .quiet { color: var(--mute-2); }

.hero-sub {
  max-width: 50ch;
  margin-top: 36px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--ink);
  transition: transform 200ms ease, background 200ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-soft);
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn.ghost:hover { border-color: color-mix(in oklab, var(--ink) 30%, var(--line)); }
.link-quiet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mute);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 180ms ease, border-color 180ms ease;
}
.link-quiet:hover { color: var(--ink); border-color: var(--mute); }

/* Hero side card — next session */
.next-card {
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--card) 80%, transparent);
  backdrop-filter: blur(10px);
  border-radius: 18px;
  padding: 24px;
}
.next-card .head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}
.next-card .head .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.next-card .head .status {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.next-card .head .status .live {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  animation: pulse 2.6s ease-out infinite;
}
.next-card .date {
  font-family: var(--serif);
  font-size: 38px;
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.next-card .date em { font-style: italic; color: var(--accent); }
.next-card .meta {
  display: flex;
  gap: 0;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mute);
  flex-wrap: wrap;
}
.next-card .meta > span {
  padding-right: 12px;
  margin-right: 12px;
  border-right: 1px solid var(--line);
}
.next-card .meta > span:last-child { border-right: 0; }
.next-card .seats {
  margin-top: 18px;
  font-size: 13px;
  color: var(--mute);
}
.next-card .seats b { color: var(--ink); font-weight: 500; }
.next-card .bar {
  height: 3px;
  background: var(--line);
  border-radius: 999px;
  margin-top: 8px;
  overflow: hidden;
}
.next-card .bar > div { height: 100%; background: var(--accent); border-radius: inherit; }
.next-card .join {
  margin-top: 20px;
  width: 100%;
  justify-content: center;
}

/* tiny presence row */
.presence {
  margin-top: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--mute);
  font-size: 13px;
}
.presence .stack {
  display: inline-flex;
}
.presence .stack i {
  display: inline-block;
  width: 22px; height: 22px; border-radius: 50%;
  border: 1.5px solid var(--bg);
  background: var(--bg-deep);
  margin-left: -8px;
}
.presence .stack i:nth-child(1) { background: oklch(0.72 0.04 145); margin-left: 0; }
.presence .stack i:nth-child(2) { background: oklch(0.68 0.04 60); }
.presence .stack i:nth-child(3) { background: oklch(0.66 0.04 250); }
.presence .stack i:nth-child(4) { background: oklch(0.74 0.04 30); }

/* ============================================================ */
/* Section frame                                                  */
/* ============================================================ */
section.block {
  padding: var(--gap-section) 0;
  position: relative;
}
.block-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 64px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  margin-bottom: 64px;
}
@media (max-width: 820px) {
  .block-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
}

/* ============================================================ */
/* What — principles                                              */
/* ============================================================ */
.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}
@media (max-width: 720px) { .principles { grid-template-columns: 1fr; } }
.principle {
  padding: 32px 28px 32px 0;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  position: relative;
}
.principle:nth-child(2n) { border-right: 0; padding-right: 0; padding-left: 28px; }
@media (max-width: 720px) {
  .principle, .principle:nth-child(2n) { border-right: 0; padding: 28px 0; }
}
.principle .n {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
  margin-bottom: 14px;
}
.principle h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
}
.principle h3 em { font-style: italic; color: var(--accent); }
.principle p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.6;
  max-width: 42ch;
}

/* ============================================================ */
/* Hour timeline                                                  */
/* ============================================================ */
.timeline {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 820px) { .timeline { grid-template-columns: 1fr; gap: 24px; } }
.timeline .stages {
  position: relative;
  border-left: 1px solid var(--line);
  padding-left: 32px;
}
.stage {
  padding: 22px 0 28px;
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: baseline;
  transition: background 240ms ease;
}
.stage:last-child { border-bottom: 0; }
.stage::before {
  content: "";
  position: absolute;
  left: -36px; top: 30px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--mute-2);
  transition: background 200ms ease, border-color 200ms ease, transform 200ms ease;
}
.stage:hover::before, .stage.active::before {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.2);
}
.stage .time {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mute);
  padding-top: 6px;
}
.stage .body h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}
.stage .body h4 em { font-style: italic; color: var(--accent); }
.stage .body p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 56ch;
}

/* ============================================================ */
/* Schedule                                                       */
/* ============================================================ */
.filter-row {
  display: flex;
  gap: 10px;
  margin: 0 0 12px;
  flex-wrap: wrap;
}
.filter-row button {
  background: transparent;
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}
.filter-row button:hover { color: var(--ink); border-color: color-mix(in oklab, var(--ink) 25%, var(--line)); }
.filter-row button.on {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.sessions { border-top: 1px solid var(--line); }
.session {
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 200px 1fr 220px 200px;
  gap: 24px;
  padding: 28px 0;
  align-items: center;
  transition: background 240ms ease, padding 240ms ease;
  cursor: pointer;
}
.session:hover { background: color-mix(in oklab, var(--card) 60%, transparent); padding-left: 16px; padding-right: 16px; }
@media (max-width: 980px) {
  .session { grid-template-columns: 1fr; gap: 10px; padding: 24px 0; }
  .session:hover { padding-left: 0; padding-right: 0; }
}
.session .when {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.015em;
}
.session .when em { font-style: italic; color: var(--accent); }
.session .when .day {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 6px;
}
.session .topic {
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 52ch;
}
.session .topic .host {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mute);
  margin-top: 6px;
}
.session .availability {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mute);
}
.session .availability .bar {
  height: 2px; width: 120px;
  background: var(--line);
  border-radius: 999px;
  margin-top: 6px;
  overflow: hidden;
}
.session .availability .bar > div { height: 100%; background: var(--accent); }
.session .availability.full .bar > div { background: var(--mute-2); }
.session .cta-cell {
  display: flex;
  justify-content: flex-end;
}
@media (max-width: 980px) {
  .session .cta-cell { justify-content: flex-start; }
}
.session .arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  background: transparent;
  color: var(--ink);
  transition: background 200ms ease, border-color 200ms ease;
}
.session:hover .arrow { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.session.expanded { background: color-mix(in oklab, var(--card) 80%, transparent); padding-left: 24px; padding-right: 24px; border-radius: 12px; }
@media (max-width: 980px) {
  .session.expanded { padding-left: 16px; padding-right: 16px; }
}
.session-detail {
  grid-column: 1 / -1;
  margin-top: 18px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  cursor: default;
}
@media (max-width: 820px) { .session-detail { grid-template-columns: 1fr; } }
.session-detail .desc {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 60ch;
}
.session-detail .desc h5 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.session-detail .desc ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
}
.session-detail .desc ul li {
  padding: 6px 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
}
.session-detail .desc ul li:first-child { border-top: 0; }
.session-detail .desc ul li b { color: var(--ink); font-weight: 500; }

.session-detail .form {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.session-detail .form .row-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 8px;
}
.session-detail .form input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 10px 0;
  font: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color 200ms ease;
}
.session-detail .form input:focus { border-color: var(--ink); }
.session-detail .form input::placeholder { color: var(--mute-2); }
.session-detail .form .field { margin-top: 14px; }
.session-detail .form .submit {
  margin-top: 20px;
  width: 100%;
  justify-content: center;
}
.session-detail .form .note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--mute);
  line-height: 1.5;
}
.session-detail .form.success {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 36px 22px;
}
.session-detail .form.success .mark {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-soft);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  color: var(--accent-deep);
}
.session-detail .form.success h6 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.session-detail .form.success p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  max-width: 36ch;
}

/* ============================================================ */
/* Voices                                                         */
/* ============================================================ */
.voices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 820px) { .voices { grid-template-columns: 1fr; } }
.voice {
  padding: 36px 32px 32px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  position: relative;
}
.voice:nth-child(3n) { border-right: 0; }
@media (max-width: 820px) { .voice { border-right: 0; padding: 32px 0; } }
.voice .quote {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--ink);
  text-wrap: pretty;
}
.voice .quote em { font-style: italic; color: var(--accent); }
.voice .who {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mute);
  display: flex;
  align-items: center;
  gap: 10px;
}
.voice .who::before {
  content: "";
  display: inline-block;
  width: 18px; height: 1px;
  background: currentColor;
  opacity: 0.6;
}

/* ============================================================ */
/* FAQ                                                            */
/* ============================================================ */
.faq-list { border-top: 1px solid var(--line); }
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq-q {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 24px 0;
  text-align: left;
  display: grid;
  grid-template-columns: 50px 1fr 24px;
  gap: 24px;
  align-items: baseline;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.faq-q .n {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
  text-transform: uppercase;
}
.faq-q .plus {
  width: 24px; height: 24px;
  position: relative;
  justify-self: end;
  transition: transform 280ms ease;
}
.faq-q .plus::before, .faq-q .plus::after {
  content: ""; position: absolute; background: var(--mute);
  transition: background 200ms ease;
}
.faq-q .plus::before { left: 0; right: 0; top: 50%; height: 1px; transform: translateY(-0.5px); }
.faq-q .plus::after  { top: 0; bottom: 0; left: 50%; width: 1px; transform: translateX(-0.5px); }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-item.open .faq-q .plus::before, .faq-item.open .faq-q .plus::after { background: var(--ink); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 320ms ease;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a > div { overflow: hidden; }
.faq-a p {
  margin: 0 0 24px;
  padding-left: 74px;
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 62ch;
}
@media (max-width: 720px) {
  .faq-q { grid-template-columns: 36px 1fr 24px; font-size: 20px; gap: 16px; }
  .faq-a p { padding-left: 52px; font-size: 15px; }
}

/* ============================================================ */
/* Sign up                                                        */
/* ============================================================ */
.signup-block {
  text-align: center;
  padding: 96px 0;
  position: relative;
}
.signup-block .ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.signup-block .ambient .bloom {
  position: absolute;
  width: 700px; height: 700px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  filter: blur(120px);
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  opacity: 0.45;
}
.signup-block .inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}
.signup-block h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: pretty;
}
.signup-block h2 em { font-style: italic; color: var(--accent); }
.signup-block p {
  color: var(--ink-soft);
  margin: 20px auto 36px;
  max-width: 46ch;
  font-size: 17px;
}
.signup-form {
  display: flex;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 8px 8px 24px;
  max-width: 520px;
  margin: 0 auto;
  align-items: center;
  transition: border-color 200ms ease;
}
.signup-form:focus-within { border-color: color-mix(in oklab, var(--ink) 30%, var(--line)); }
.signup-form input {
  flex: 1;
  border: 0;
  background: transparent;
  font: inherit;
  color: var(--ink);
  outline: none;
  padding: 10px 0;
  min-width: 0;
}
.signup-form input::placeholder { color: var(--mute-2); }
.signup-form .btn { padding: 12px 22px; }
.signup-note {
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mute);
}
.signup-block.success .inner > * { transition: opacity 280ms ease; }
.signup-success {
  margin-top: 24px;
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  font-style: italic;
}
.signup-success::before {
  content: "✓";
  display: inline-block;
  margin-right: 10px;
  color: var(--accent);
  font-style: normal;
}

/* ============================================================ */
/* Footer                                                         */
/* ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 48px;
  background: var(--bg-deep);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 820px) { .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .footer-inner { grid-template-columns: 1fr; } }
.footer h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 16px;
  font-weight: 400;
}
.footer p { margin: 0; color: var(--ink-soft); font-size: 14px; max-width: 36ch; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { padding: 4px 0; }
.footer ul li a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
  transition: color 180ms ease;
}
.footer ul li a:hover { color: var(--ink); }
.footer .legal {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
}
@media (max-width: 480px) { .footer .legal { flex-direction: column; gap: 12px; } }

/* ============================================================ */
/* Mobile nav drawer                                              */
/* ============================================================ */
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
}
.mobile-nav {
  position: fixed;
  inset: 0;
  background: color-mix(in oklab, var(--bg) 96%, transparent);
  backdrop-filter: blur(18px);
  z-index: 60;
  padding: 90px 24px 24px;
  transform: translateY(-100%);
  transition: transform 320ms cubic-bezier(.22,.61,.36,1);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-nav.open { transform: translateY(0); }
.mobile-nav a {
  padding: 18px 8px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.01em;
}
.mobile-nav a em { font-style: italic; color: var(--accent); }

/* ============================================================ */
/* Accessibility / motion                                         */
/* ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .hero .ambient .bloom { animation: none; }
  .nav .join .pulse { animation: none; }
  * { transition-duration: 0.001ms !important; }
}