/* ============================================================
   Cap4u — Editorial Landing
   Academic Journal on Vellum
   ============================================================ */

:root {
  /* Colors — Claude design system */
  --color-cream-soft: #f2efe4;     /* Warmer, slightly more saturated cream — used for "side note" bands */
  --color-cream-faint: #f5f2e8;    /* Very subtle warm tint — just a touch deeper than vellum */
  --color-cream-deep: #ebe6d4;     /* Deeper warm cream — used for "emphasis chapter" bands */
  --color-vellum-white: #faf9f5;
  --color-ink-black: #141413;
  --color-onyx: #1f1e1d;
  --color-graphite: #3d3d3a;
  --color-dusty-gray: #73726c;
  --color-stone: #9c9a92;
  --color-parchment: #dedcd1;
  --color-snow-white: #ffffff;
  --color-pale-azure: #ccdbe8;
  --color-terra-cotta: #d97757;

  /* Type stacks — pairing latin + CJK */
  /* "Serif" stack: Lora handles Latin (display serif), Chinese falls through to sans.
     This is intentional — keep Chinese sans-serif even in display contexts. */
  --font-serif: 'Lora', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', ui-sans-serif, system-ui, sans-serif;
  --font-sans: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', ui-sans-serif, system-ui, sans-serif;

  /* Type scale */
  --text-caption: 11px;
  --text-small: 13px;
  --text-body: 16px;
  --text-body-lg: 18px;
  --text-quote: 22px;
  --text-h3: 24px;
  --text-h2: 30px;
  --text-h1: 56px;
  --text-display: 72px;

  /* Spacing */
  --s-8: 8px;
  --s-16: 16px;
  --s-24: 24px;
  --s-32: 32px;
  --s-40: 40px;
  --s-48: 48px;
  --s-64: 64px;
  --s-80: 80px;
  --s-96: 96px;
  --s-128: 128px;

  /* Radii */
  --radius-lg: 9.6px;
  --radius-2xl: 16px;
  --radius-3xl: 24px;

  /* Layout */
  --col-text: 580px;
  --col-aside: 300px;
  --col-gap: 80px;
  --page-pad: 64px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  background: var(--color-vellum-white);
  color: var(--color-ink-black);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--color-ink-black);
  color: var(--color-vellum-white);
}

/* ============================================================
   MASTHEAD — small, sticky, journal-style
   ============================================================ */

.masthead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 249, 245, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-parchment);
}

.masthead-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-24);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  line-height: 1;
}

.wordmark img {
  display: block;
  height: 38px;
  width: auto;
}

.wordmark .tagline {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--color-stone);
  letter-spacing: 0.005em;
  padding-left: 12px;
  border-left: 1px solid var(--color-parchment);
  white-space: nowrap;
}

.page-footer .wordmark img { height: 34px; }

.masthead nav {
  display: flex;
  align-items: center;
  gap: var(--s-32);
}

.masthead nav a {
  font-size: 14px;
  color: var(--color-graphite);
  text-decoration: none;
  font-weight: 400;
}

.masthead nav a:hover { color: var(--color-ink-black); }

.masthead .cta-mini {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink-black);
  background: transparent;
  border: 1px solid rgba(31, 30, 29, 0.3);
  padding: 9px 17px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.masthead .cta-mini:hover {
  background: rgba(31, 30, 29, 0.06);
}

/* Solid state — applied after the user scrolls past the hero */
.masthead.scrolled .cta-mini {
  background: var(--color-ink-black);
  border-color: var(--color-ink-black);
  color: var(--color-snow-white);
}

.masthead.scrolled .cta-mini:hover {
  background: var(--color-onyx);
  border-color: var(--color-onyx);
}

/* ── Language switcher ───────────────────────── */
.lang-switch {
  position: relative;
}

.lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
  font-size: 14px;
  color: var(--color-graphite);
  background: transparent;
  border: 0;
  padding: 6px 4px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.18s ease;
}

.lang-trigger:hover,
.lang-switch.open .lang-trigger {
  color: var(--color-ink-black);
}

.lang-globe {
  opacity: 0.7;
  flex: none;
}

.lang-trigger:hover .lang-globe,
.lang-switch.open .lang-globe {
  opacity: 1;
}

.lang-current {
  font-weight: 400;
}

.lang-caret {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.2s ease;
}

.lang-switch.open .lang-caret {
  transform: translateY(1px) rotate(-135deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--color-snow-white, #fafaf6);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-lg);
  box-shadow:
    0 12px 32px -16px rgba(31, 30, 29, 0.18),
    0 2px 8px -4px rgba(31, 30, 29, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 20;
}

.lang-switch.open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-menu li {
  margin: 0;
}

.lang-menu button {
  width: 100%;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-16);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14px;
  color: var(--color-ink-black);
  background: transparent;
  border: 0;
  border-radius: calc(var(--radius-lg) - 4px);
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

.lang-menu button:hover,
.lang-menu li[aria-selected="true"] button {
  background: rgba(31, 30, 29, 0.05);
}

.lang-native {
  font-weight: 400;
}

.lang-status {
  font-size: 12px;
  color: var(--color-ink-black);
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: 0.01em;
}

.lang-status.soon {
  color: var(--color-dusty-gray);
  font-style: normal;
  font-family: inherit;
  font-size: 11.5px;
  letter-spacing: 0.02em;
}

/* ============================================================
   HERO — split layout: text on left, phone on right
   ============================================================ */

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--s-80) var(--page-pad) var(--s-80);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--s-80);
  align-items: center;
}

.hero-text {
  max-width: 560px;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--color-ink-black);
  max-width: 16ch;
}

.hero-sub {
  margin-top: var(--s-32);
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.45;
  color: var(--color-graphite);
  max-width: 28ch;
  font-style: italic;
}

.hero-byline {
  margin-top: var(--s-32);
  font-size: 15px;
  color: var(--color-dusty-gray);
  max-width: 38ch;
  line-height: 1.55;
}

.hero-byline strong {
  display: block;
  color: var(--color-ink-black);
  font-weight: 500;
  margin-bottom: 2px;
  letter-spacing: -0.005em;
}

.hero-actions {
  margin-top: var(--s-32);
  display: flex;
  gap: var(--s-16);
  align-items: center;
}

.hero-phone {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-phone .phone-frame {
  max-width: 324px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 40px 80px -28px rgba(20, 20, 19, 0.25);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-ink-black);
  color: var(--color-snow-white);
  padding: 16px 22px;
  border-radius: var(--radius-lg);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--color-onyx); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(31, 30, 29, 0.3);
  font-size: 15px;
  font-weight: 400;
  color: var(--color-ink-black);
  text-decoration: none;
  background: transparent;
}
.btn-secondary:hover { background: rgba(31,30,29,0.04); }

/* ============================================================
   ARTICLE GRID — text column + aside column
   ============================================================ */

.article {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--s-80) var(--page-pad) var(--s-128);
}

.spread {
  display: grid;
  grid-template-columns: var(--col-text) var(--col-aside);
  gap: var(--col-gap);
  padding: var(--s-64) 0;
  align-items: start;
}

.spread.center-v { align-items: center; }

/* Flip column order: phone on left, text on right.
   The aside is still rendered second in HTML; we swap visually via grid columns. */
.spread.flip {
  grid-template-columns: var(--col-aside) var(--col-text);
}
.spread.flip .text { grid-column: 2; grid-row: 1; }
.spread.flip .aside { grid-column: 1; grid-row: 1; }

.spread:last-of-type { }
.spread.no-rule { }

.spread .text { max-width: var(--col-text); }
.spread .aside { position: sticky; top: 96px; }

/* Section heading */
.section-num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dusty-gray);
  font-weight: 500;
  margin-bottom: var(--s-24);
}

.section-num .glyph {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-terra-cotta);
}

.section-num .rule {
  width: 32px;
  height: 1px;
  background: var(--color-parchment);
  display: inline-block;
}

.spread h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 36px;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--color-ink-black);
  margin-bottom: var(--s-32);
  max-width: 22ch;
}

/* Prose */
.prose p {
  font-size: 17px;
  line-height: 1.78;
  color: var(--color-ink-black);
  margin-bottom: var(--s-16);
  text-wrap: pretty;
}

.prose p.lede {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.55;
  font-weight: 400;
  color: var(--color-ink-black);
  margin-bottom: var(--s-24);
}

.prose .softer { color: var(--color-graphite); }

/* Invitation closer — the warm sign-off after a stanza set */
.prose .invite {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.55;
  color: var(--color-ink-black);
  margin-top: var(--s-24);
  letter-spacing: -0.005em;
  text-wrap: pretty;
}

.prose .invite em {
  font-style: italic;
  color: var(--color-graphite);
}

/* ── "Cap4u 是什么？" — left title/lede, right stanzas ───── */

.spread.spread-about {
  /* Wider left col so the lede has room; the stanzas read tall on the right */
  grid-template-columns: 1fr 1fr;
  gap: var(--s-96);
  align-items: stretch;
}

.spread-about .text {
  max-width: 520px;
}

.about-stanzas {
  /* Override the global sticky-aside behavior — this column is long */
  position: static !important;
  top: auto !important;
  max-width: 520px;
}

/* Right column: stretches full height, content pushed to the bottom */
.about-stanzas-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: var(--s-32);
  max-width: 480px;
}

/* "Invite block" — softly highlighted reader-address.
   The whole page is on warm cream; this block sits in a barely-perceptible
   pool of slightly warmer paper so the eye knows it's *one thing*, without
   ever crossing into "card" or "callout" territory. */
.invite-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--s-40) var(--s-32);
  border-radius: 12px;
  /* A radial of slightly warmer parchment — no hard edges, no border, no shadow.
     Fades to transparent at the rectangle's corners so it never reads as a box. */
  background:
    radial-gradient(120% 100% at 30% 30%,
      rgba(217, 195, 158, 0.18) 0%,
      rgba(217, 195, 158, 0.10) 45%,
      rgba(217, 195, 158, 0) 85%);
}

/* Preamble in italic serif — sets a quieter, addressed tone */
.invite-preamble p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-graphite);
  margin: 0 0 2px;
  text-wrap: pretty;
  letter-spacing: 0.002em;
}

.invite-headline {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(26px, 2.6vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.012em;
  color: var(--color-ink-black);
  margin: var(--s-24) 0 10px;
  text-wrap: balance;
}

.invite-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  line-height: 1.4;
  color: var(--color-graphite);
  letter-spacing: 0.005em;
  margin: 0 0 var(--s-32);
}

.invite-block .appstore-btn {
  margin-top: 0;
}

@media (max-width: 1024px) {
  .invite-block { padding: var(--s-32) var(--s-24); }
  .invite-headline { font-size: 24px; }
  .invite-tagline { font-size: 17px; }
}

/* App Store-style pill button — used in the about-aside */
.appstore-btn {
  display: inline-flex;
  align-self: flex-start;
  width: auto;
  align-items: center;
  gap: 10px;
  margin-top: var(--s-32);
  padding: 10px 20px 10px 16px;
  background: var(--color-ink-black);
  color: var(--color-snow-white);
  border-radius: 12px;
  text-decoration: none;
  line-height: 1;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.appstore-btn:hover {
  background: var(--color-onyx, #2a2725);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -10px rgba(0, 0, 0, 0.45);
}

.appstore-btn svg {
  flex: none;
}

.appstore-btn-label {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  text-align: left;
}

.appstore-btn-eyebrow {
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(250, 249, 245, 0.7);
  text-transform: uppercase;
}

.appstore-btn-main {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.005em;
  color: var(--color-snow-white);
}

.about-stanzas .stanza {
  margin: var(--s-16) 0;
  padding-left: 0;
  border-left: 0;
}

.about-stanzas .stanza p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-graphite);
  margin-bottom: 6px;
  text-wrap: pretty;
}

.about-stanzas .stanza p strong {
  color: var(--color-ink-black);
  font-weight: 500;
}

.about-stanzas .softer {
  font-size: 17px;
  line-height: 1.78;
  color: var(--color-graphite);
  text-wrap: pretty;
  margin: var(--s-24) 0 !important;
}

.about-stanzas .stanza + .softer,
.about-stanzas .softer + .stanza {
  margin-top: var(--s-24) !important;
}

.about-stanzas .invite {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.55;
  color: var(--color-ink-black);
  margin-top: var(--s-24);
  letter-spacing: -0.005em;
  text-wrap: pretty;
}

.about-stanzas .invite em {
  font-style: italic;
  color: var(--color-graphite);
}

@media (max-width: 1024px) {
  .spread.spread-about {
    grid-template-columns: 1fr;
    gap: var(--s-32);
  }
  .spread-about .text {
    position: static;
    max-width: none;
  }
  .about-stanzas { max-width: none; }
}

/* Stanza — multiple short lines that scan like verse */
.stanza {
  margin: var(--s-24) 0;
  padding-left: var(--s-16);
  border-left: 1px solid var(--color-parchment);
}

.stanza p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-graphite);
  margin-bottom: 4px;
}

.stanza p strong {
  color: var(--color-ink-black);
  font-weight: 500;
}

/* Pull quote */
.pull {
  margin: var(--s-40) 0;
  padding: var(--s-24) 0;
  border-top: 1px solid var(--color-parchment);
  border-bottom: 1px solid var(--color-parchment);
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.45;
  color: var(--color-ink-black);
  letter-spacing: -0.005em;
}
.pull em { color: var(--color-terra-cotta); font-style: italic; }

/* Couplet — the brand tagline */
.couplet {
  margin: var(--s-40) 0 var(--s-24);
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.35;
  font-weight: 400;
  color: var(--color-ink-black);
  letter-spacing: -0.01em;
}
.couplet .row { display: block; }
.couplet .row + .row { margin-top: 4px; }

/* Negation list */
.negation {
  margin: var(--s-16) 0 var(--s-24);
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.6;
  color: var(--color-graphite);
}
.negation p { margin: 0; }

/* Inline tag pills for call contexts */
.context-pills {
  margin: var(--s-24) 0 var(--s-32);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.context-pills span {
  padding: 6px 12px;
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-lg);
  font-size: 13px;
  color: var(--color-graphite);
  background: var(--color-snow-white);
  font-weight: 400;
}

/* ============================================================
   ASIDE CARDS — UI demonstrations
   ============================================================ */

/* ============================================================
   ASIDE — feature column (right side)
   Demo card first, then eyebrow + title + sub.
   ============================================================ */

.aside {
  display: flex;
  flex-direction: column;
}

.aside > div[class^="demo-"] { order: 1; }
.aside > .feat-eyebrow { order: 2; margin-top: 24px; margin-bottom: 10px; }
.aside > .feat-title { order: 3; }
.aside > .feat-sub { order: 4; margin-bottom: 0; }

.aside .feat-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dusty-gray);
  font-weight: 500;
}

.aside .feat-eyebrow .roman {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-terra-cotta);
}

.aside .feat-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--color-ink-black);
  margin-bottom: 14px;
  max-width: 14ch;
  text-wrap: pretty;
}

.aside .feat-sub {
  margin-bottom: 18px;
  font-size: 14px;
  color: var(--color-graphite);
  line-height: 1.6;
  max-width: 32ch;
}

.aside .label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-stone);
  font-weight: 500;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.aside .label .num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-terra-cotta);
}

.aside .caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-dusty-gray);
  font-style: italic;
  max-width: 26ch;
}

/* Phone-call demo card */
.demo-card {
  background: var(--color-snow-white);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-2xl);
  padding: 18px;
  box-shadow: 0 1px 0 rgba(20, 20, 19, 0.03);
}

.demo-card .topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-dusty-gray);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-parchment);
  margin-bottom: 14px;
}

.demo-card .topbar .who {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-ink-black);
  font-weight: 500;
}

.demo-card .topbar .dot-live {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-terra-cotta);
  animation: livePulse 1.6s ease-in-out infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Caption stream */
.caption-stream {
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-ink-black);
}

.caption-stream .turn {
  margin-bottom: 12px;
}

.caption-stream .turn:last-child { margin-bottom: 0; }

.caption-stream .who-mini {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-stone);
  font-weight: 500;
  margin-bottom: 4px;
}

.caption-stream .en {
  color: var(--color-ink-black);
  font-weight: 400;
}

.caption-stream .zh {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-graphite);
  line-height: 1.55;
  padding-left: 10px;
  border-left: 2px solid var(--color-pale-azure);
}

.caption-stream .live-token {
  background: linear-gradient(90deg, var(--color-ink-black) 0%, var(--color-ink-black) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.caption-stream .caret {
  display: inline-block;
  width: 7px;
  height: 16px;
  background: var(--color-ink-black);
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s steps(2) infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Reply suggestion card */
.demo-reply {
  background: var(--color-snow-white);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-2xl);
  padding: 18px;
}

.demo-reply .intent {
  font-size: 12px;
  color: var(--color-dusty-gray);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 8px;
}

.demo-reply .my-thought {
  font-size: 14px;
  color: var(--color-graphite);
  line-height: 1.55;
  padding: 10px 12px;
  background: var(--color-vellum-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-parchment);
  margin-bottom: 14px;
}

.demo-reply .arrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: 10px;
  font-weight: 500;
}

.demo-reply .arrow .rule { flex: 1; height: 1px; background: var(--color-parchment); }

.demo-reply .suggestion {
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-ink-black);
  margin-bottom: 10px;
}

.demo-reply .level-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.demo-reply .level-tabs button {
  font-family: inherit;
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-parchment);
  background: transparent;
  color: var(--color-graphite);
  cursor: pointer;
  font-weight: 400;
}

.demo-reply .level-tabs button.on {
  background: var(--color-ink-black);
  color: var(--color-snow-white);
  border-color: var(--color-ink-black);
}

.demo-reply .footer-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-parchment);
  font-size: 11px;
  color: var(--color-dusty-gray);
}

.demo-reply .footer-note .read-it {
  color: var(--color-ink-black);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Ledger — "你 / Cap4u" attribution table */
.demo-ledger {
  background: var(--color-snow-white);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-2xl);
  padding: 18px 20px;
}

.demo-ledger .ledger-head {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-stone);
  font-weight: 500;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-parchment);
  margin-bottom: 14px;
}

.demo-ledger .ledger-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 7px 0;
}

.demo-ledger .who-tag {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--color-ink-black);
  letter-spacing: -0.005em;
}

.demo-ledger .who-tag.them {
  color: var(--color-dusty-gray);
  font-style: italic;
}

.demo-ledger .acts {
  font-size: 14px;
  color: var(--color-graphite);
  line-height: 1.5;
}

.demo-ledger .acts strong {
  color: var(--color-ink-black);
  font-weight: 500;
}

.demo-ledger .ledger-rule {
  height: 1px;
  background: var(--color-parchment);
  margin: 6px 0;
  border: 0;
}

/* Levels — A1 / B1 / B2 sentence stack */
.demo-levels {
  background: var(--color-snow-white);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-2xl);
  padding: 18px;
}

.demo-levels .intent {
  font-size: 12px;
  color: var(--color-dusty-gray);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 8px;
}

.demo-levels .my-thought {
  font-size: 14px;
  color: var(--color-graphite);
  line-height: 1.55;
  padding: 10px 12px;
  background: var(--color-vellum-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-parchment);
  margin-bottom: 14px;
}

.demo-levels .levels {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.demo-levels .level {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px dashed var(--color-parchment);
  align-items: baseline;
  cursor: pointer;
  transition: opacity 0.2s;
}
.demo-levels .level:first-child { border-top: none; }

.demo-levels .level .lvl-tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.demo-levels .level .lvl-tag em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-graphite);
  margin-left: 4px;
}

.demo-levels .level .lvl-sentence {
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-ink-black);
}

.demo-levels .level.on .lvl-tag {
  color: var(--color-terra-cotta);
}
.demo-levels .level.on .lvl-sentence {
  font-weight: 500;
}
.demo-levels .level:not(.on) .lvl-sentence {
  color: var(--color-graphite);
}

/* Translation aid */
.demo-translate {
  background: var(--color-snow-white);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-2xl);
  padding: 18px;
}

.demo-translate .topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-dusty-gray);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-parchment);
  margin-bottom: 14px;
}

.demo-translate .topbar .who {
  color: var(--color-ink-black);
  font-weight: 500;
}

.demo-translate .en-line {
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-ink-black);
  margin-bottom: 12px;
}

.demo-translate .en-line .hl {
  background: rgba(217, 119, 87, 0.14);
  padding: 1px 4px;
  border-radius: 4px;
}

.demo-translate .tap-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-stone);
  font-weight: 500;
  margin-bottom: 10px;
}
.demo-translate .tap-row .rule { flex: 1; height: 1px; background: var(--color-parchment); }

.demo-translate .zh-line {
  font-size: 14px;
  color: var(--color-graphite);
  line-height: 1.65;
  padding-left: 10px;
  border-left: 2px solid var(--color-pale-azure);
}

/* Voice attribution — who speaks, who doesn't */
.demo-voice {
  background: var(--color-snow-white);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-2xl);
  padding: 18px;
}

.demo-voice .voice-head {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-stone);
  font-weight: 500;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-parchment);
  margin-bottom: 4px;
}

.demo-voice .voice-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--color-parchment);
}
.demo-voice .voice-row:last-child { border-bottom: none; }

.demo-voice .voice-row .name {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-ink-black);
  letter-spacing: -0.005em;
}

.demo-voice .voice-row .desc {
  font-size: 13px;
  color: var(--color-dusty-gray);
  margin-top: 2px;
}

.demo-voice .state {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 999px;
}

.demo-voice .state.on {
  color: var(--color-ink-black);
  background: var(--color-vellum-white);
  border: 1px solid var(--color-parchment);
}
.demo-voice .state.off {
  color: var(--color-stone);
  background: transparent;
  border: 1px solid var(--color-parchment);
  text-decoration: line-through;
  text-decoration-color: var(--color-stone);
}

.demo-voice .voice-foot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-parchment);
  font-size: 13px;
  color: var(--color-graphite);
  line-height: 1.55;
}

/* After-call empty state */
.demo-after {
  background: var(--color-snow-white);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-2xl);
  padding: 18px;
}

.demo-after .after-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-parchment);
  margin-bottom: 8px;
}

.demo-after .after-head .left {
  color: var(--color-ink-black);
  font-weight: 500;
}

.demo-after .after-head .right {
  color: var(--color-dusty-gray);
  font-variant-numeric: tabular-nums;
}

.demo-after ul {
  list-style: none;
}

.demo-after li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 9px 0;
  border-top: 1px dashed var(--color-parchment);
  font-size: 14px;
}
.demo-after li:first-child { border-top: none; }

.demo-after li .what {
  color: var(--color-ink-black);
}
.demo-after li .state {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  font-weight: 500;
}

.demo-after .after-foot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-parchment);
  font-size: 13px;
  color: var(--color-graphite);
}

/* ============================================================
   iPhone-style frame — wraps a demo to read as a real phone
   ============================================================ */

.phone-frame {
  position: relative;
  width: 100%;
  max-width: 296px;
  aspect-ratio: 9 / 19.5;        /* iPhone 17 display ratio */
  margin: 0 auto;
  background: var(--color-ink-black);
  border-radius: 44px;           /* iPhone 17 outer body radius */
  padding: 8px;
  box-sizing: border-box;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 28px 60px -22px rgba(20, 20, 19, 0.22);
}

.phone-screen {
  position: relative;
  background: var(--color-vellum-white);
  border-radius: 36px;           /* concentric with bezel: outer 44 − bezel 8 */
  padding: 60px 14px 22px;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* Dynamic island */
.phone-screen::before {
  content: '';
  position: absolute;
  top: 11px;
  left: 50%;
  transform: translateX(-50%);
  width: 96px;
  height: 28px;
  background: var(--color-ink-black);
  border-radius: 99px;
  z-index: 2;
}

.phone-status {
  position: absolute;
  top: 18px;
  left: 26px;
  right: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink-black);
  z-index: 3;
  letter-spacing: -0.005em;
  pointer-events: none;
}

.phone-status .time { font-variant-numeric: tabular-nums; }

.phone-status .status-icons {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--color-ink-black);
}

/* When a demo-card sits inside the phone screen, strip its chrome */
.phone-screen .demo-card {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  flex: 1;
  min-height: 0;
}

/* Hero demo card needs even more breathing room */
.hero-phone .phone-screen { padding: 60px 16px 18px; }
.hero-phone .phone-screen .demo-card .topbar { margin-bottom: 14px; }
.hero-phone .phone-screen .caption-stream { font-size: 14.5px; }
.hero-phone .phone-screen .caption-stream .en { line-height: 1.5; }

/* Hero phone sequence: dial -> connecting -> live captions. */
.hero-phone .hero-demo-screen {
  --hero-demo-duration: 16s;
  padding: 0;
  background: #f5f5f6;
  color: #000;
}

.hero-demo-screen .phone-status {
  top: 18px;
  left: 26px;
  right: 26px;
  font-size: 14px;
  font-weight: 700;
}

.hero-demo-stage {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
}

.hero-dialer-stage {
  z-index: 1;
  padding: 66px 16px 82px;
  background: #fff;
  animation: heroDialStage var(--hero-demo-duration) linear infinite;
}

.hero-dialer-number {
  display: flex;
  min-height: 84px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.hero-country-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: none;
  border-radius: 999px;
  background: #f2f2f2;
  color: #111;
  padding: 5px 9px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
}

.hero-country-pill svg {
  color: #8a8a8a;
}

.hero-dialed-number {
  min-height: 31px;
  margin: 0;
  color: #000;
  font-size: 26px;
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  white-space: nowrap;
  width: 14ch;
  clip-path: inset(0 100% 0 0);
  animation: heroTypeNumber var(--hero-demo-duration) steps(14, end) infinite both;
}

.hero-add-contact {
  color: #8a8a8a;
  font-size: 11px;
  line-height: 1;
  opacity: 0;
  animation: heroAddContact var(--hero-demo-duration) linear infinite both;
}

.hero-dialpad {
  display: grid;
  justify-content: center;
  grid-template-columns: repeat(3, 58px);
  gap: 12px 15px;
  margin-top: 3px;
}

.hero-dial-key {
  display: inline-flex;
  width: 58px;
  height: 58px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f2f2f2;
  color: #000;
}

.hero-dial-key[style] {
  animation: heroKeyTap var(--hero-demo-duration) linear infinite both;
  animation-delay: var(--tap);
}

.hero-dial-key b {
  font-size: 25px;
  font-weight: 300;
  line-height: 1;
}

.hero-dial-key small {
  margin-top: 3px;
  color: #777;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.hero-dial-actions {
  display: grid;
  grid-template-columns: 58px 58px 58px;
  justify-content: center;
  align-items: center;
  gap: 21px;
  margin-top: 14px;
}

.hero-call-button {
  display: inline-flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: #fb7f70;
  color: #fff;
  animation: heroCallPress var(--hero-demo-duration) linear infinite both;
}

.hero-delete-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #8a8a8a;
}

.hero-demo-tabbar {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 21px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  min-height: 47px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  color: #555;
  font-size: 9px;
  font-weight: 600;
  text-align: center;
  box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.05);
}

.hero-demo-tabbar .on {
  color: #fb7f70;
}

.hero-connecting-stage {
  z-index: 1;
  background: #fff;
  animation: heroConnectingStage var(--hero-demo-duration) linear infinite;
}

.hero-calling-copy {
  display: inline-flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: #9a9a9a;
  font-size: 18px;
  font-weight: 700;
}

.hero-calling-copy i {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  animation: heroCallingDot 1.35s ease-in-out infinite;
}

.hero-calling-copy i:nth-child(3) {
  animation-delay: 0.18s;
}

.hero-calling-copy i:nth-child(4) {
  animation-delay: 0.36s;
}

.hero-live-stage {
  z-index: 1;
  background: #f5f5f6;
  animation: heroLiveStage var(--hero-demo-duration) linear infinite;
}

.hero-live-stage .call-card {
  opacity: 0;
  transform: translateY(14px);
}

.hero-live-stage .call-card:nth-child(1) {
  animation: heroFirstCaption var(--hero-demo-duration) ease-out infinite both;
}

.hero-live-stage .call-card:nth-child(2) {
  animation: heroSecondCaption var(--hero-demo-duration) ease-out infinite both;
}

.hero-live-stage .call-card:nth-child(3) {
  animation: heroLaterCaption var(--hero-demo-duration) ease-out infinite both;
}

.hero-live-stage .call-card:nth-child(4) {
  animation: heroPartialCaption var(--hero-demo-duration) ease-out infinite both;
}

.hero-live-stage .call-latest,
.hero-live-stage .call-bottom {
  animation: heroLiveChrome var(--hero-demo-duration) linear infinite both;
}

/* Demo card topbar reads as the in-call header inside the phone */
.phone-screen .demo-card .topbar {
  padding-bottom: 14px;
  margin-bottom: 16px;
}

/* Caption stream slightly larger inside phone for readability */
.phone-screen .caption-stream { font-size: 16px; }
.phone-screen .caption-stream .en { line-height: 1.55; }

/* demo-reply when sitting inside the phone screen */
.phone-screen .demo-reply.phone-demo-reply {
  background: transparent;
  border: none;
  padding: 0;
}

/* voice bars — animated soundwave under the input */
.voice-bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 28px;
  margin: 12px 0 14px;
}
.voice-bars span {
  display: block;
  width: 3px;
  background: var(--color-terra-cotta);
  border-radius: 2px;
  animation: voiceBar 1.2s ease-in-out infinite;
}
.voice-bars span:nth-child(1) { animation-delay: 0s;    height: 12px; }
.voice-bars span:nth-child(2) { animation-delay: 0.08s; height: 18px; }
.voice-bars span:nth-child(3) { animation-delay: 0.16s; height: 24px; }
.voice-bars span:nth-child(4) { animation-delay: 0.24s; height: 14px; }
.voice-bars span:nth-child(5) { animation-delay: 0.32s; height: 22px; }
.voice-bars span:nth-child(6) { animation-delay: 0.40s; height: 16px; }
.voice-bars span:nth-child(7) { animation-delay: 0.48s; height: 26px; }
.voice-bars span:nth-child(8) { animation-delay: 0.56s; height: 12px; }
.voice-bars span:nth-child(9) { animation-delay: 0.64s; height: 20px; }
.voice-bars span:nth-child(10){ animation-delay: 0.72s; height: 14px; }

@keyframes voiceBar {
  0%, 100% { transform: scaleY(0.6); opacity: 0.55; }
  50%      { transform: scaleY(1.0); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .voice-bars span { animation: none; }
}

/* Primary chip — used for "按住说中文" */
.phone-actions .chip.primary {
  background: var(--color-ink-black);
  border-color: var(--color-ink-black);
  color: var(--color-snow-white);
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  padding: 14px 16px;
}

.phone-actions .chip.primary .mic-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-terra-cotta);
  animation: livePulse 1.6s ease-in-out infinite;
}

/* Past (history) turns dim back compared to the live one */
.phone-screen .caption-stream .turn.past .who-mini,
.phone-screen .caption-stream .turn.past .en {
  color: var(--color-dusty-gray);
}

/* Level picker inside phone */
.phone-level-picker {
  margin-bottom: 16px;
}

.phone-level-picker .picker-head {
  font-size: 12px;
  color: var(--color-dusty-gray);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 10px;
}

.phone-level-picker .picker-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 4px;
  background: var(--color-vellum-white);
  border: 1px solid var(--color-parchment);
  border-radius: 999px;
}

.phone-level-picker .lvl-pill {
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 10px;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--color-graphite);
  cursor: pointer;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  transition: background 0.18s, color 0.18s;
}

.phone-level-picker .lvl-pill.on {
  background: var(--color-ink-black);
  color: var(--color-snow-white);
}

/* demo-levels when sitting inside the phone screen */
.phone-screen .demo-levels.phone-demo-levels {
  background: transparent;
  border: none;
  padding: 0;
}

.phone-screen .demo-levels .level {
  grid-template-columns: 56px 1fr;
  cursor: default;
}

.phone-screen .demo-levels .level:not(.on) {
  opacity: 0.45;
}

/* In-call actions pinned to the bottom of the phone screen */
.phone-actions {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.phone-actions .chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-parchment);
  background: var(--color-snow-white);
  font-size: 13px;
  color: var(--color-ink-black);
  font-family: inherit;
  text-align: left;
}

.phone-actions .chip .toggle {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-terra-cotta);
  font-weight: 600;
}

.phone-actions .chip .arrow {
  font-size: 15px;
  color: var(--color-stone);
  line-height: 1;
}

/* Full active-call workspace used in the hero phone. */
.phone-screen.call-screen {
  padding: 0;
  background: #f5f5f6;
  color: #000;
}

.call-screen .phone-status {
  top: 18px;
  left: 25px;
  right: 25px;
  font-size: 14px;
  font-weight: 700;
}

.call-top {
  flex: none;
  padding: 66px 20px 17px;
  background: #fff;
  border-bottom: 1px solid #e8e8e8;
}

.call-id {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 17px;
  font-variant-numeric: tabular-nums;
}

.call-number {
  font-size: 21px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.035em;
  white-space: nowrap;
}

.call-timer {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #666;
  font-size: 15px;
  line-height: 1;
}

.call-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #f47d69;
  animation: livePulse 1.8s ease-in-out infinite;
}

.call-controls {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.call-control {
  display: inline-flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid #e5e5e5;
  border-radius: 50%;
  background: #fff;
  color: #000;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.call-control.end-call {
  border-color: #ff3b30;
  background: #ff3b30;
  color: #fff;
}

.call-transcript {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding: 16px 16px 108px;
  background: #f5f5f6;
}

.call-card {
  position: relative;
  margin-bottom: 13px;
  padding: 17px 18px 22px;
  border: 1px solid #e0e0e0;
  border-radius: 17px;
  background: #fff;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.02);
}

.call-card-en,
.call-card-zh {
  margin: 0;
}

.call-card-en {
  color: #000;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.38;
  letter-spacing: -0.035em;
}

.call-card-zh {
  margin-top: 7px;
  color: #0079eb;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.45;
}

.call-card-time {
  position: absolute;
  right: 18px;
  bottom: 12px;
  color: #aaa;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
}

.call-card-partial {
  margin-bottom: 0;
}

.call-card-partial .call-card-en {
  font-size: 17.5px;
}

.call-latest {
  position: absolute;
  left: 50%;
  bottom: 86px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transform: translateX(-50%);
  border: none;
  border-radius: 999px;
  background: #fb7f70;
  color: #fff;
  padding: 8px 14px 9px 12px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow:
    0 7px 18px rgba(251, 127, 112, 0.32),
    0 2px 7px rgba(0, 0, 0, 0.08);
}

.call-bottom {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 13px 20px 23px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.06);
}

.call-press {
  display: flex;
  width: 100%;
  height: 44px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid #e8e8e8;
  border-radius: 18px;
  background: #fbfbfb;
  color: #000;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.call-press svg {
  color: #777;
}

.call-home-indicator {
  display: block;
  width: 116px;
  height: 5px;
  margin: 13px auto 0;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.3);
}

.hero-demo-stage > .call-home-indicator {
  position: absolute;
  left: 50%;
  bottom: 8px;
  z-index: 3;
  transform: translateX(-50%);
  margin: 0;
}

@keyframes heroDialStage {
  0%, 35% { opacity: 1; transform: translateX(0); }
  39%, 100% { opacity: 0; transform: translateX(-10px); }
}

@keyframes heroConnectingStage {
  0%, 34% { opacity: 0; transform: translateX(10px); }
  38%, 51% { opacity: 1; transform: translateX(0); }
  55%, 100% { opacity: 0; transform: translateX(-8px); }
}

@keyframes heroLiveStage {
  0%, 53% { opacity: 0; transform: translateX(10px); }
  58%, 100% { opacity: 1; transform: translateX(0); }
}

@keyframes heroTypeNumber {
  0%, 6% { clip-path: inset(0 100% 0 0); }
  23%, 34% { clip-path: inset(0 0 0 0); }
  38%, 100% { clip-path: inset(0 100% 0 0); }
}

@keyframes heroAddContact {
  0%, 23% { opacity: 0; }
  27%, 34% { opacity: 1; }
  38%, 100% { opacity: 0; }
}

@keyframes heroKeyTap {
  0%, 1.8%, 100% { background: #f2f2f2; transform: scale(1); }
  0.8% { background: #e4e4e4; transform: scale(0.94); }
}

@keyframes heroCallPress {
  0%, 24%, 100% { transform: scale(1); box-shadow: none; }
  27% { transform: scale(0.92); box-shadow: 0 0 0 8px rgba(251, 127, 112, 0.14); }
  31% { transform: scale(1); box-shadow: none; }
}

@keyframes heroCallingDot {
  0%, 100% { opacity: 0.28; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-1px); }
}

@keyframes heroFirstCaption {
  0%, 58% { opacity: 0; transform: translateY(14px); }
  63%, 100% { opacity: 1; transform: translateY(0); }
}

@keyframes heroSecondCaption {
  0%, 69% { opacity: 0; transform: translateY(14px); }
  74%, 100% { opacity: 1; transform: translateY(0); }
}

@keyframes heroLaterCaption {
  0%, 80% { opacity: 0; transform: translateY(14px); }
  85%, 100% { opacity: 1; transform: translateY(0); }
}

@keyframes heroPartialCaption {
  0%, 87% { opacity: 0; transform: translateY(14px); }
  92%, 100% { opacity: 1; transform: translateY(0); }
}

@keyframes heroLiveChrome {
  0%, 57% { opacity: 0; }
  62%, 100% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-dialer-stage,
  .hero-connecting-stage {
    display: none;
  }

  .hero-live-stage,
  .hero-live-stage .call-card,
  .hero-live-stage .call-latest,
  .hero-live-stage .call-bottom {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

/* Scenario "ticket" — for §II aside */
.demo-scenarios {
  background: var(--color-snow-white);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-2xl);
  padding: 18px;
}

.demo-scenarios h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--color-ink-black);
}

.demo-scenarios ul {
  list-style: none;
}

.demo-scenarios li {
  font-size: 13px;
  color: var(--color-graphite);
  padding: 8px 0;
  border-top: 1px dashed var(--color-parchment);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-variant-numeric: tabular-nums;
}

.demo-scenarios li:first-child { border-top: none; padding-top: 0; }

.demo-scenarios li .who {
  font-weight: 400;
  color: var(--color-ink-black);
}

.demo-scenarios li .when {
  color: var(--color-stone);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Boundaries — two-column */
.boundaries {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-48);
  padding: var(--s-64) 0;
}

.boundary h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.25;
  margin-bottom: var(--s-16);
  color: var(--color-ink-black);
  letter-spacing: -0.005em;
}

.boundary p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-graphite);
  margin-bottom: var(--s-16);
}
.boundary p:last-child { margin-bottom: 0; }

.boundary p.coda {
  color: var(--color-ink-black);
  font-style: italic;
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.55;
  margin-top: var(--s-16);
}

.boundary-divider {
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--color-stone);
  letter-spacing: 0.06em;
  padding: var(--s-24) 0;
}

/* Features list (your-can-do) */
.features {
  padding: var(--s-64) 0;
  border-bottom: 1px solid var(--color-parchment);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: var(--s-32);
}

.feat {
  padding: var(--s-32) var(--s-32) var(--s-32) 0;
  border-top: 1px solid var(--color-parchment);
  position: relative;
}

.feat:nth-child(odd) { padding-right: var(--s-48); }
.feat:nth-child(even) { padding-left: var(--s-32); border-left: 1px solid var(--color-parchment); }

.feat .num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--color-terra-cotta);
  margin-bottom: 10px;
  letter-spacing: 0;
}

.feat h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.3;
  color: var(--color-ink-black);
  margin-bottom: 10px;
  letter-spacing: -0.005em;
}

.feat p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-graphite);
  max-width: 34ch;
}

/* Privacy block */
.privacy {
  padding: var(--s-64) 0;
}

.privacy h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 30px;
  line-height: 1.3;
  margin-bottom: var(--s-24);
  color: var(--color-ink-black);
}

.privacy .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-48);
}

.privacy p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-graphite);
}

.privacy p.kicker {
  font-family: var(--font-serif);
  font-size: 22px;
  font-style: italic;
  color: var(--color-ink-black);
  line-height: 1.4;
}

/* Closing */
.closing {
  padding: var(--s-96) 0 var(--s-64);
  text-align: center;
}

.closing .small {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dusty-gray);
  margin-bottom: var(--s-24);
  font-weight: 500;
}

.closing p.farewell {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.55;
  color: var(--color-graphite);
  max-width: 36ch;
  margin: 0 auto var(--s-40);
}

.closing h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.1;
  color: var(--color-ink-black);
  letter-spacing: -0.015em;
  margin-bottom: var(--s-40);
}

.closing .cta-row {
  display: flex;
  justify-content: center;
  gap: var(--s-16);
  flex-wrap: wrap;
  align-items: center;
}

.closing .meta {
  margin-top: var(--s-32);
  font-size: 13px;
  color: var(--color-dusty-gray);
}

/* ============================================================
   FOOTER
   ============================================================ */

/* ============================================================
   FOOTER
   ============================================================ */

/* ============================================================
   BAND · BRAND NARRATIVE — quiet cream band hosting the
   "Cap4u 是 / 写给谁 / Cap4u 不是" trio
   ============================================================ */

.band.band-narrative {
  background: var(--color-cream-faint);
}

.band.band-narrative .band-inner {
  padding-top: var(--s-96);
  padding-bottom: var(--s-96);
  display: flex;
  flex-direction: column;
  gap: var(--s-96);
}

.band.band-narrative .spread {
  padding: 0;
}

/* The lead "Cap4u 是什么" intro — single column, centered top-aligned */
.band.band-narrative .brand-narrative {
  display: block;
}

.band.band-narrative .brand-narrative h2 {
  max-width: 18ch;
  margin-bottom: var(--s-32);
}

.band.band-narrative .brand-narrative .couplet {
  margin-top: var(--s-40);
}

/* Boundaries section sitting inside the narrative band — strip any inline
   styles and align with the band’s rhythm */
.band.band-narrative #boundaries {
  padding: 0 !important;
}

/* ============================================================
   FULL-BLEED BANDS — surface rhythm between chapters
   ============================================================ */

.band {
  width: 100%;
}

.band-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--s-96) var(--page-pad);
}

/* ----- Full-bleed backgrounds for spread chapters
   Each .spread inside <main class="article"> can carry a band-bg modifier
   that extends its colour to the viewport edges, using the box-shadow trick
   (cleaner than negative margins; no horizontal scrollbar). */
.spread.bg-snow,
.spread.bg-cream-soft,
.spread.bg-cream-deep,
.spread.bg-vellum {
  position: relative;
  z-index: 0;
}

.spread.bg-snow::before,
.spread.bg-cream-soft::before,
.spread.bg-cream-deep::before,
.spread.bg-vellum::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  z-index: -1;
}

.spread.bg-snow::before       { background: var(--color-snow-white); }
.spread.bg-vellum::before     { background: var(--color-vellum-white); }
.spread.bg-cream-soft::before { background: var(--color-cream-soft); }
.spread.bg-cream-deep::before { background: var(--color-cream-deep); }

/* Bands keep working the same way (they are full-width sections by structure) */

/* Soft cream band — used for "side note" content like roadmap */
.band.band-cream {
  background: var(--color-cream-soft);
}

.band.band-cream .roadmap {
  padding: 0;
}

/* Emphasis band — deeper warm cream, NOT dark inversion.
   Used for the § V "Cap4u 不是什么" chapter. Stays in the vellum family,
   but the page feels noticeably heavier here — like turning to a special spread
   in a magazine. Visual weight comes from typography, not color contrast. */
.band.band-dark {
  background: var(--color-cream-deep);
  color: var(--color-ink-black);
  position: relative;
}

.band.band-dark::before,
.band.band-dark::after {
  content: '';
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 1px;
  background: rgba(20, 20, 19, 0.18);
}

.band.band-dark::before { top: 48px; }
.band.band-dark::after { bottom: 48px; }

.band.band-dark .band-inner {
  padding-top: var(--s-128);
  padding-bottom: var(--s-128);
}

.band.band-dark > .band-inner > section {
  padding: 0 !important;
}

.band.band-dark h2 {
  color: var(--color-ink-black) !important;
  /* Promote the chapter heading so the weight is editorial, not chromatic */
  font-size: clamp(40px, 5vw, 56px) !important;
  line-height: 1.1 !important;
  letter-spacing: -0.015em !important;
  max-width: 22ch !important;
  margin-bottom: var(--s-64) !important;
}

.band.band-dark .boundaries {
  border: none;
  padding: 0;
}

.band.band-dark .boundary h3 {
  color: var(--color-ink-black);
}

.band.band-dark .boundary p {
  color: var(--color-graphite);
}

.band.band-dark .boundary p strong {
  color: var(--color-ink-black) !important;
}

/* ============================================================
   ROADMAP — coming-soon previews
   ============================================================ */

.roadmap {
  padding: var(--s-80) 0 var(--s-64);
}

.roadmap-head {
  max-width: 720px;
  margin: 0 auto var(--s-48);
  text-align: center;
}

.roadmap-eyebrow {
  display: inline-block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--color-terra-cotta);
  margin-bottom: 14px;
  letter-spacing: 0;
}

.roadmap-head h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-ink-black);
  margin-bottom: var(--s-16);
}

.roadmap-head .roadmap-sub {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-dusty-gray);
  max-width: 44ch;
  margin: 0 auto;
}

.roadmap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-24);
}

.roadmap-card {
  position: relative;
  padding: var(--s-32);
  background: transparent;
  border: 1px dashed var(--color-stone);
  border-radius: var(--radius-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--s-16);
}

.roadmap-badge {
  align-self: flex-start;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dusty-gray);
  font-weight: 500;
  padding: 4px 10px;
  border: 1px solid var(--color-parchment);
  border-radius: 999px;
  background: var(--color-vellum-white);
}

.roadmap-card h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--color-ink-black);
}

.roadmap-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-graphite);
  max-width: 32ch;
  text-wrap: pretty;
}

@media (max-width: 1024px) {
  .roadmap-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FAQ
   ============================================================ */

.faq {
  padding: var(--s-96) var(--page-pad) var(--s-80);
}

.faq-inner {
  max-width: 760px;
  margin: 0 auto;
}

.faq-head {
  text-align: center;
  margin-bottom: var(--s-48);
}

.faq-eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--color-terra-cotta);
  margin-bottom: 12px;
  letter-spacing: 0;
}

.faq-head h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-ink-black);
}

.faq-list {
  border-top: 1px solid var(--color-parchment);
}

.faq-item {
  border-bottom: 1px solid var(--color-parchment);
}

.faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 8px 22px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-24);
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.4;
  color: var(--color-ink-black);
  letter-spacing: -0.005em;
  transition: color 0.2s;
}

.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary:hover { color: var(--color-graphite); }

.faq-item .chev {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  position: relative;
  margin-top: 8px;
}

.faq-item .chev::before,
.faq-item .chev::after {
  content: '';
  position: absolute;
  background: var(--color-ink-black);
  top: 50%;
  left: 50%;
  transition: transform 0.2s ease;
}

.faq-item .chev::before {
  width: 12px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.faq-item .chev::after {
  width: 1.5px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.faq-item[open] .chev::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-item .a {
  padding: 0 var(--s-40) 24px 0;
  max-width: 60ch;
}

.faq-item .a p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-graphite);
  text-wrap: pretty;
}

@media (max-width: 1024px) {
  .faq-head h2 { font-size: 36px; }
}

@media (max-width: 640px) {
  .faq { padding-top: var(--s-64); padding-bottom: var(--s-64); }
  .faq-item > summary { font-size: 17px; }
}

/* Coda — final manifesto line, sits between the closing CTA and the footer */
.coda-line {
  padding: var(--s-64) var(--page-pad) var(--s-96);
}

.coda-line-inner {
  max-width: 1120px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.coda-line-inner::before {
  content: '';
  display: block;
  width: 56px;
  height: 1px;
  background: var(--color-parchment);
  margin: 0 auto var(--s-32);
}

.coda-line p {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.005em;
  color: var(--color-ink-black);
  max-width: 38ch;
  margin: 0 auto;
}

.coda-line .row {
  display: block;
}

.coda-line .row + .row {
  margin-top: 4px;
  color: var(--color-graphite);
}

.page-footer {
  border-top: 1px solid var(--color-parchment);
  background: var(--color-vellum-white);
}

.page-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--s-40) var(--page-pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-24);
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-dusty-gray);
}



.page-footer-inner nav {
  display: flex;
  gap: var(--s-24);
}

.page-footer-inner a {
  color: var(--color-graphite);
  text-decoration: none;
}

.page-footer-inner a:hover { color: var(--color-ink-black); }

/* ============================================================
   TRUST PAGES — privacy / terms / support
   Scoped to standalone trust pages only.
   ============================================================ */

body.trust-page {
  background:
    linear-gradient(180deg, var(--color-vellum-white) 0%, var(--color-cream-faint) 48%, var(--color-vellum-white) 100%);
}

.trust-masthead nav a[aria-current="page"] {
  color: var(--color-ink-black);
  font-weight: 500;
}

.trust-masthead nav .cta-mini[aria-current="page"] {
  background: var(--color-ink-black);
  border-color: var(--color-ink-black);
  color: var(--color-snow-white);
}

.trust-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--s-96) var(--page-pad) var(--s-128);
}

.trust-hero {
  max-width: 780px;
  padding-bottom: var(--s-64);
}

.trust-eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--color-terra-cotta);
  margin-bottom: var(--s-16);
}

.trust-hero h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 64px;
  line-height: 1.08;
  letter-spacing: 0;
  color: var(--color-ink-black);
  max-width: 12ch;
}

.trust-lede {
  margin-top: var(--s-32);
  max-width: 680px;
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.55;
  color: var(--color-graphite);
  text-wrap: pretty;
}

.trust-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: var(--s-32);
  color: var(--color-dusty-gray);
  font-size: 13px;
}

.trust-meta-row span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 5px 12px;
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.48);
}

.trust-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 720px);
  gap: var(--s-80);
  align-items: start;
  border-top: 1px solid var(--color-parchment);
  padding-top: var(--s-64);
}

.trust-sidebar {
  position: sticky;
  top: 104px;
}

.trust-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: var(--s-24);
  border-bottom: 1px solid var(--color-parchment);
}

.trust-sidebar nav a {
  display: block;
  padding: 8px 0;
  color: var(--color-graphite);
  font-size: 14px;
  line-height: 1.35;
  text-decoration: none;
}

.trust-sidebar nav a:hover {
  color: var(--color-ink-black);
}

.trust-side-note {
  margin-top: var(--s-24);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-dusty-gray);
  text-wrap: pretty;
}

.trust-content {
  min-width: 0;
}

.trust-section {
  padding: 0 0 var(--s-64);
  margin-bottom: var(--s-64);
  border-bottom: 1px solid var(--color-parchment);
}

.trust-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.trust-section h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.22;
  letter-spacing: 0;
  color: var(--color-ink-black);
  margin-bottom: var(--s-24);
}

.trust-section p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--color-graphite);
  margin-bottom: var(--s-16);
  text-wrap: pretty;
}

.trust-section p:last-child {
  margin-bottom: 0;
}

.trust-section a {
  color: var(--color-ink-black);
  text-decoration-color: rgba(20, 20, 19, 0.28);
  text-underline-offset: 4px;
}

.trust-section a:hover {
  text-decoration-color: var(--color-ink-black);
}

.trust-rule-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: var(--s-32) 0;
  border-top: 1px solid var(--color-parchment);
}

.trust-rule-list > div {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: var(--s-32);
  padding: var(--s-24) 0;
  border-bottom: 1px solid var(--color-parchment);
}

.trust-rule-label {
  display: block;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-terra-cotta);
  font-weight: 500;
}

.trust-rule-list p {
  margin: 0;
}

.trust-list {
  display: grid;
  gap: 14px;
  margin: var(--s-24) 0 0;
  padding: 0;
  list-style: none;
}

.trust-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-graphite);
  text-wrap: pretty;
}

.trust-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-terra-cotta);
}

.trust-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: var(--s-32) 0;
  border-top: 1px solid var(--color-parchment);
  border-bottom: 1px solid var(--color-parchment);
}

.trust-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  color: var(--color-graphite);
  font-size: 14px;
  line-height: 1.55;
}

.trust-table th,
.trust-table td {
  padding: 16px 14px;
  border-bottom: 1px solid var(--color-parchment);
  text-align: left;
  vertical-align: top;
}

.trust-table th {
  color: var(--color-ink-black);
  font-size: 12px;
  line-height: 1.35;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

.trust-table td:first-child {
  color: var(--color-ink-black);
  font-weight: 500;
  width: 18%;
}

.trust-table tr:last-child td {
  border-bottom: 0;
}

.trust-qa {
  border-top: 1px solid var(--color-parchment);
}

.trust-qa details {
  border-bottom: 1px solid var(--color-parchment);
}

.trust-qa summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.4;
  color: var(--color-ink-black);
}

.trust-qa summary::-webkit-details-marker {
  display: none;
}

.trust-qa summary:hover {
  color: var(--color-graphite);
}

.trust-qa details p {
  max-width: 62ch;
  padding: 0 0 22px;
  margin: 0;
}

.trust-contact-panel {
  padding: var(--s-40);
  margin-bottom: var(--s-64);
  border: 1px solid var(--color-parchment);
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.42);
}

.trust-contact-panel h2 {
  margin-bottom: var(--s-16);
}

.trust-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--s-32);
}

.trust-link-row a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid rgba(31, 30, 29, 0.26);
  border-radius: var(--radius-lg);
  color: var(--color-ink-black);
  text-decoration: none;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.34);
}

.trust-link-row a:hover {
  background: rgba(31, 30, 29, 0.05);
}

.trust-footer .page-footer-inner a[aria-current="page"] {
  color: var(--color-ink-black);
  font-weight: 500;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  :root {
    --col-text: 1fr;
    --col-aside: 1fr;
    --col-gap: var(--s-48);
    --page-pad: 32px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--s-48);
  }
  .hero-text { max-width: none; }
  .hero-phone { order: -1; }

  .spread {
    grid-template-columns: 1fr;
    gap: var(--s-40);
  }

  .spread .aside { position: static; }

  .boundaries { grid-template-columns: 1fr; gap: 0; }
  .boundaries .boundary + .boundary { padding-top: var(--s-40); border-top: 1px solid var(--color-parchment); margin-top: var(--s-40); }

  .features-grid { grid-template-columns: 1fr; }
  .feat:nth-child(even) { padding-left: 0; border-left: none; }

  .privacy .grid { grid-template-columns: 1fr; gap: var(--s-24); }

  .trust-main {
    padding-top: var(--s-80);
  }

  .trust-hero h1 {
    font-size: 52px;
  }

  .trust-lede {
    font-size: 22px;
  }

  .trust-layout {
    grid-template-columns: 1fr;
    gap: var(--s-40);
  }

  .trust-sidebar {
    position: static;
  }

  .trust-sidebar nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 18px;
  }

  .trust-side-note {
    max-width: 48ch;
  }
}

@media (max-width: 640px) {
  :root { --page-pad: 24px; }

  .masthead-inner { gap: 12px; }
  .wordmark .tagline { display: none; }
  .masthead nav { gap: 12px; }
  .masthead nav .hide-sm { display: none; }
  .masthead .cta-mini { padding: 8px 12px; }
  .lang-menu { right: -8px; }

  .hero {
    padding-top: var(--s-64);
    padding-bottom: var(--s-48);
  }

  .hero-meta { flex-direction: column; gap: 8px; align-items: flex-start; }
  .hero-bottom { gap: var(--s-24); }

  .pull { font-size: 21px; }
  .couplet { font-size: 24px; }
  .spread h2 { font-size: 28px; }
  .closing h2 { font-size: 36px; }

  .trust-main {
    padding-top: var(--s-64);
    padding-bottom: var(--s-80);
  }

  .trust-hero {
    padding-bottom: var(--s-48);
  }

  .trust-hero h1 {
    font-size: 42px;
  }

  .trust-lede {
    font-size: 20px;
    line-height: 1.5;
  }

  .trust-layout {
    padding-top: var(--s-48);
  }

  .trust-section,
  .trust-contact-panel {
    padding-bottom: var(--s-48);
    margin-bottom: var(--s-48);
  }

  .trust-contact-panel {
    padding: var(--s-24);
  }

  .trust-section h2 {
    font-size: 27px;
  }

  .trust-rule-list > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .trust-qa summary {
    font-size: 18px;
  }

  .trust-link-row a {
    width: 100%;
    justify-content: center;
  }
}