/* Sage Mingle — vanilla replica stylesheet */

:root {
  --paper: #FFFFFF;
  --paper-deep: #EEF3FA;
  --ink: #0F1621;
  --ink-muted: #56637A;
  --rule: rgba(15, 22, 33, 0.12);
  --accent: #1B4FA8;
  --accent-soft: #C9DAF2;

  --font-ui: 'Space Grotesk', sans-serif;
  --font-body: 'Source Serif 4', serif;
}

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

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-ui);
  line-height: 1.1;
  margin: 0;
}

p, ul, ol { margin: 0; }
ul, ol { list-style: none; padding: 0; }

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

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

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

mark {
  margin-block: -1px;
  padding-inline: 1px;
  border-radius: 0;
  background-color: var(--accent-soft);
  color: var(--ink);
  font-style: normal;
  font-weight: 400;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- primitives ---------- */

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.ui { font-family: var(--font-ui); }
.measure { max-width: 155ch; }
.muted { color: var(--ink-muted); }
.accent-text { color: var(--accent); }

.label {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

.eyebrow {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.section-title {
  margin-top: 0.75rem;
  font-family: var(--font-ui);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink);
}

.section-standfirst {
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink-muted);
}

.editorial-link {
  font-family: var(--font-ui);
  font-size: 15px;
  color: var(--accent);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

@media (min-width: 1024px) {
  .section-title { font-size: 44px; }
}

.link-accent { color: var(--accent); transition: opacity 160ms ease; }
.link-accent:hover { opacity: 0.7; }

.link-plain { color: var(--ink); transition: color 160ms ease; }
.link-plain:hover { color: var(--accent); }

.field-input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--rule);
  background-color: transparent;
  padding: 0.5rem 0;
  margin-top: 0.25rem;
  font-family: var(--font-ui);
  font-size: 16px;
  color: var(--ink);
  outline: none;
}

.field-input:focus {
  border-bottom-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.field-label {
  display: block;
  font-size: 12px;
  color: var(--ink-muted);
}

.btn-accent {
  display: block;
  border-radius: 2px;
  background-color: var(--accent);
  color: #FFFFFF;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  padding: 0.75rem 1.25rem;
  transition: filter 150ms ease;
}

.btn-accent:hover { filter: brightness(0.92); }
.btn-full { width: 100%; }

.bubble-outgoing {
  max-width: 78%;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  padding: 0.5rem 0.75rem;
}

/* ---------- header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--rule);
  background-color: var(--paper);
}

.header-inner {
  margin: 0 auto;
  display: flex;
  height: 64px;
  max-width: 1570px;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.wordmark {
  font-family: var(--font-ui);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.header-nav { display: none; align-items: center; gap: 24px; }
.header-nav a, .header-nav button {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
}
.nav-active { border-bottom: 2px solid var(--accent); color: var(--ink); }

.menu-toggle {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink);
}

.mobile-menu {
  border-top: 1px solid var(--rule);
  background-color: var(--paper);
  padding: 20px 24px;
}
.mobile-menu-inner {
  margin: 0 auto;
  display: flex;
  max-width: 720px;
  flex-direction: column;
}
.mobile-menu a, .mobile-menu button {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}
.mobile-menu .no-rule { border-bottom: 0; }

@media (min-width: 768px) {
  .header-nav { display: flex; }
  .menu-toggle, .mobile-menu { display: none; }
}

@media (min-width: 1024px) {
  .header-inner { padding: 0 48px; }
}

/* ---------- shells ---------- */

.page { min-height: 100vh; background-color: var(--paper); }
.page-col { display: flex; min-height: 100vh; flex-direction: column; background-color: var(--paper); }

.guide-shell {
  margin: 0 auto;
  max-width: 1600px;
  padding: 64px 24px;
}

@media (min-width: 1024px) {
  .guide-shell { padding: 96px 48px; }
}

.app-main {
  margin: 0 auto;
  width: 100%;
  padding: 48px 24px;
}

@media (min-width: 1024px) {
  .app-main { padding: 48px 48px; }
}

.honesty-strip {
  border-bottom: 1px solid var(--rule);
  background-color: var(--paper-deep);
  padding: 8px 16px;
}
.honesty-strip p {
  text-align: center;
  font-size: 12px;
  line-height: 1.375;
  color: var(--ink-muted);
}

.sections { display: flex; flex-direction: column; gap: 96px; }
.scroll-mt { scroll-margin-top: 96px; }

/* ---------- home ---------- */

.hero-links { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px 28px; }

.hero h1 {
  margin-top: 16px;
  font-size: 48px;
  font-weight: 600;
  color: var(--ink);
}

.hero-standfirst {
  margin-top: 24px;
  max-width: 58ch;
  font-size: 21px;
  line-height: 1.625;
  color: var(--ink-muted);
}

.hero-art { margin-top: 32px; }
.hero-art svg { display: block; width: 100%; height: 260px; }

@media (min-width: 1024px) {
  .hero {
    display: grid;
    width: 100%;
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 40px;
  }
  .hero h1 { font-size: 72px; }
  .hero-art { margin-top: 0; }
  .hero-art svg { height: auto; }
}

.card-grid {
  margin-top: 40px;
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 960px) { .card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.card {
  border: 1px solid var(--rule);
  background-color: var(--paper);
  padding: 28px;
  min-width: 0;
}
.card h3 { font-family: var(--font-ui); font-size: 17px; font-weight: 600; color: var(--ink); }
.card svg + h3 { margin-top: 24px; }
.card p { margin-top: 12px; font-size: 15px; line-height: 1.625; color: var(--ink-muted); }

.body-stack {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 19px;
}

.control-grid {
  margin-top: 64px;
  display: grid;
  border-left: 1px solid var(--rule);
  border-top: 1px solid var(--rule);
}
.control-grid > div {
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  padding: 24px;
}
.control-grid h3 { font-family: var(--font-ui); font-size: 16px; font-weight: 600; }
.control-grid p { margin-top: 8px; font-size: 15px; line-height: 1.625; color: var(--ink-muted); }

@media (min-width: 768px) { .control-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.wide-breakout {
  width: min(1040px, calc(100vw - 48px));
  margin-left: 50%;
  transform: translateX(-50%);
}

@media (min-width: 1024px) {
  .wide-breakout { width: min(1500px, calc(100vw - 96px)); }
}

.diagram-band {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  max-width: none;
  margin-top: 64px;
  margin-bottom: 64px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background-color: var(--paper-deep);
  padding: 40px 24px;
}
.diagram-band > div { margin: 0 auto; max-width: 1040px; }
.diagram-band svg { display: block; width: 100%; }

@media (min-width: 1024px) {
  .diagram-band { padding: 72px 40px; }
}

/* ---------- interface preview ---------- */

.preview-grid {
  margin-top: 40px;
  display: grid;
  gap: 48px;
  align-items: start;
}

@media (min-width: 768px) {
  .preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
}

.frame { border: 1px solid var(--rule); background-color: var(--paper); }
.frame-bar {
  display: flex; height: 44px; align-items: center;
  border-bottom: 1px solid var(--rule); padding: 0 16px;
}
.frame-bar span { font-family: var(--font-ui); font-size: 13px; font-weight: 700; }
.frame-tabs {
  display: flex; align-items: flex-end; gap: 24px;
  border-bottom: 1px solid var(--rule); padding: 12px 16px 0;
}
.frame-tab {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  padding: 0 4px 8px;
  border-bottom: 2px solid transparent;
  color: var(--ink-muted);
  transition: color 150ms ease;
}
.frame-tab[aria-selected="true"] { border-bottom-color: var(--accent); color: var(--ink); }
.frame li { border-bottom: 1px solid var(--rule); }
.frame-row { display: flex; align-items: center; gap: 12px; padding: 12px 16px; transition: background-color 150ms ease; }
a.frame-row:hover { background-color: var(--paper-deep); }
.frame-row .grow { min-width: 0; flex: 1; }
.frame-row .name { font-family: var(--font-ui); font-size: 15px; font-weight: 500; }
.frame-row .sub { font-size: 14px; line-height: 1.375; color: var(--ink-muted); }
.frame-row .band { font-family: var(--font-ui); font-size: 13px; color: var(--accent); flex-shrink: 0; }
.frame-note { padding: 12px 16px; text-align: center; font-size: 11px; color: var(--ink-muted); }

.signin-block h3 { font-family: var(--font-ui); font-size: 24px; font-weight: 700; }
.form-stack { margin-top: 24px; display: flex; flex-direction: column; gap: 24px; }

/* ---------- faq ---------- */

.faq-list { margin-top: 32px; border-top: 1px solid var(--rule); }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-button {
  font-family: var(--font-ui);
  display: flex; width: 100%; align-items: center; justify-content: space-between;
  gap: 16px; padding: 20px 0; text-align: left; font-size: 16px; font-weight: 500;
}
.faq-button svg { flex-shrink: 0; transition: transform 150ms ease; }
.faq-button[aria-expanded="true"] svg { transform: rotate(180deg); }
.faq-panel { padding-bottom: 24px; font-size: 17px; color: var(--ink-muted); max-width: 66ch; }

/* ---------- footer ---------- */

.footer { border-top: 1px solid var(--rule); padding-top: 48px; margin-top: 96px; }
.footer .brand { font-family: var(--font-ui); font-size: 20px; font-weight: 700; }
.footer .tag { margin-top: 8px; font-size: 16px; color: var(--ink-muted); }
.footer-groups { margin-top: 40px; display: grid; gap: 32px; }
.footer-groups ul { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; font-size: 15px; }
.footer-legal { margin-top: 48px; border-top: 1px solid var(--rule); padding: 20px 0 48px; }
.footer-legal p { font-size: 12px; color: var(--ink-muted); }

@media (min-width: 640px) { .footer-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------- app screens ---------- */

.monogram {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  background-color: var(--paper-deep);
  font-family: var(--font-ui);
  font-weight: 500;
  color: var(--accent);
}
.monogram-36 { width: 36px; height: 36px; font-size: 14px; }
.monogram-48 { width: 48px; height: 48px; font-size: 20px; }
.monogram-64 { width: 64px; height: 64px; font-size: 28px; }

.discover-card { display: block; }
.discover-card .name { font-family: var(--font-ui); margin-top: 20px; font-size: 20px; font-weight: 600; }
.discover-card .band { font-family: var(--font-ui); margin-top: 4px; font-size: 13px; color: var(--accent); }
.discover-card .interests {
  margin-top: 12px; font-size: 15px; color: var(--ink-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
a.discover-card:hover { background-color: var(--paper-deep); }

.page-title { font-family: var(--font-ui); font-size: 34px; font-weight: 600; }

.sub-bar { border-bottom: 1px solid var(--rule); background-color: var(--paper); padding: 8px 16px; }
.sub-bar > div { margin: 0 auto; }

.back-chevron {
  display: inline-flex; height: 36px; width: 36px;
  align-items: center; justify-content: center; color: var(--ink);
}

.rule-line { margin: 32px 0 0; border: 0; border-top: 1px solid var(--rule); }

.chip-list { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-ui);
  border-radius: 2px;
  border: 1px solid var(--rule);
  padding: 4px 12px;
  font-size: 13px;
}

.list-rows { margin-top: 16px; border-top: 1px solid var(--rule); }
.list-rows li { border-bottom: 1px solid var(--rule); }
.row-link {
  display: flex; align-items: center; gap: 12px; padding: 16px 4px;
  transition: background-color 150ms ease;
}
.row-link:hover { background-color: var(--paper-deep); }
.row-link .grow { min-width: 0; flex: 1; }
.row-link .name { font-family: var(--font-ui); display: block; font-size: 15px; font-weight: 600; }
.row-link .sub {
  display: block; font-size: 14px; color: var(--ink-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.row-link .meta { font-family: var(--font-ui); flex-shrink: 0; font-size: 13px; color: var(--ink-muted); }
.row-link .band { font-family: var(--font-ui); flex-shrink: 0; font-size: 13px; color: var(--accent); }

.empty-state { display: flex; flex-direction: column; align-items: center; padding: 64px 0; text-align: center; }

.new-section { margin-top: 48px; border-top: 1px solid var(--rule); padding-top: 48px; }

.auth-wrap { display: flex; flex: 1; align-items: center; justify-content: center; padding: 64px 24px; }
.auth-card { width: 100%; max-width: 380px; }
.auth-card h1 { margin-top: 40px; font-size: 32px; font-weight: 600; }

.checkbox-row { display: flex; align-items: flex-start; gap: 12px; }
.checkbox-row input { margin-top: 4px; width: 16px; height: 16px; flex-shrink: 0; accent-color: var(--accent); }
.checkbox-row label { font-size: 13px; color: var(--ink-muted); }

.thread-bar { border-bottom: 1px solid var(--rule); background-color: var(--paper); padding: 0 16px; }
.thread-bar-inner {
  margin: 0 auto; display: flex; height: 56px; max-width: 720px;
  align-items: center; gap: 8px;
}
.thread-bar .name { font-family: var(--font-ui); display: block; font-size: 15px; font-weight: 600; }
.thread-bar .band { display: block; font-size: 13px; color: var(--ink-muted); }

.thread-main {
  margin: 0 auto; width: 100%; max-width: 720px; flex: 1;
  padding: 32px 24px 128px;
}
.thread-runs { display: flex; flex-direction: column; }
.thread-run + .thread-run { margin-top: 20px; }
.thread-run .bubbles { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.thread-run .stamp {
  font-family: var(--font-ui);
  margin-top: 4px; text-align: right; font-size: 11px; color: var(--ink-muted);
}
.thread-note { margin-bottom: 24px; text-align: center; font-size: 12px; color: var(--ink-muted); }

.composer {
  position: fixed; left: 0; right: 0; bottom: 0;
  border-top: 1px solid var(--rule); background-color: var(--paper);
}
.composer-inner {
  margin: 0 auto; display: flex; max-width: 720px; align-items: center;
  gap: 12px; padding: 12px 24px;
}
.composer input {
  font-family: var(--font-ui);
  flex: 1; border: 0; background: transparent; font-size: 16px; color: var(--ink); outline: none;
}
.composer button { flex-shrink: 0; padding: 8px; }

.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mt-10 { margin-top: 40px; }
.text-13 { font-size: 13px; }
.text-14 { font-size: 14px; }
.text-15 { font-size: 15px; }
.text-16 { font-size: 16px; }
.text-17 { font-size: 17px; }
.text-19 { font-size: 19px; }
.text-20 { font-size: 20px; }
.text-44 { font-size: 44px; font-weight: 700; line-height: 1.15; }

.btn-inline { width: 100%; }
@media (min-width: 640px) { .btn-inline { width: 240px; } }



.legal-list {
  margin-top: 24px;
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.legal-list li {
  border-left: 2px solid var(--rule);
  padding-left: 16px;
}


.monogram[data-photo]:not([data-photo=""]) {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: transparent;
}