/* Briefr — marketing site
   Design system mirrors the shipped app: newspaper masthead motif,
   warm print palette, DM Serif Display / Spectral / DM Mono type pairing. */

:root {
  --bg: #F7F5F0;
  --ink: #0F0E0C;
  --ink-soft: rgba(15, 14, 12, 0.62);
  --ink-faint: rgba(15, 14, 12, 0.38);
  --accent: #7A5C10;
  --accent-soft: rgba(122, 92, 16, 0.1);
  --rule: rgba(15, 14, 12, 0.14);
  --card-bg: #FFFFFF;
  --card-border: rgba(15, 14, 12, 0.1);

  --tier-reply: #7A5C10;
  --tier-reply-bg: rgba(122, 92, 16, 0.1);
  --tier-update: #5C6F82;
  --tier-update-bg: rgba(92, 111, 130, 0.12);
  --tier-noise: rgba(15, 14, 12, 0.45);
  --tier-noise-bg: rgba(15, 14, 12, 0.06);

  --shadow-card: 0 1px 2px rgba(15, 14, 12, 0.04), 0 8px 24px rgba(15, 14, 12, 0.05);
  --shadow-phone: 0 30px 60px -20px rgba(15, 14, 12, 0.35), 0 10px 20px -10px rgba(15, 14, 12, 0.15);

  --font-display: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Spectral', Georgia, 'Times New Roman', serif;
  --font-mono: 'DM Mono', 'SFMono-Regular', Menlo, Consolas, monospace;

  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0E0D0B;
  --ink: #F0EDE8;
  --ink-soft: rgba(240, 237, 232, 0.66);
  --ink-faint: rgba(240, 237, 232, 0.4);
  --accent: #C9A96E;
  --accent-soft: rgba(201, 169, 110, 0.14);
  --rule: rgba(240, 237, 232, 0.16);
  --card-bg: #17150F;
  --card-border: rgba(240, 237, 232, 0.1);

  --tier-reply: #C9A96E;
  --tier-reply-bg: rgba(201, 169, 110, 0.14);
  --tier-update: #8FA3B8;
  --tier-update-bg: rgba(143, 163, 184, 0.14);
  --tier-noise: rgba(240, 237, 232, 0.5);
  --tier-noise-bg: rgba(240, 237, 232, 0.08);

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-phone: 0 30px 70px -20px rgba(0, 0, 0, 0.7), 0 10px 24px -10px rgba(0, 0, 0, 0.5);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E0D0B;
    --ink: #F0EDE8;
    --ink-soft: rgba(240, 237, 232, 0.66);
    --ink-faint: rgba(240, 237, 232, 0.4);
    --accent: #C9A96E;
    --accent-soft: rgba(201, 169, 110, 0.14);
    --rule: rgba(240, 237, 232, 0.16);
    --card-bg: #17150F;
    --card-border: rgba(240, 237, 232, 0.1);

    --tier-reply: #C9A96E;
    --tier-reply-bg: rgba(201, 169, 110, 0.14);
    --tier-update: #8FA3B8;
    --tier-update-bg: rgba(143, 163, 184, 0.14);
    --tier-noise: rgba(240, 237, 232, 0.5);
    --tier-noise-bg: rgba(240, 237, 232, 0.08);

    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-phone: 0 30px 70px -20px rgba(0, 0, 0, 0.7), 0 10px 24px -10px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

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

a { color: inherit; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

.eyebrow--muted { color: var(--ink-faint); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.12;
  margin: 0;
}

p { margin: 0; }

.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  gap: 16px;
}

.masthead-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.masthead-logo .icon {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  flex-shrink: 0;
}

.masthead-logo .wordmark {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.masthead-logo .mark {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: -0.01em;
}

.masthead-logo .vol {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.theme-toggle {
  appearance: none;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink-soft);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }

.nav-toggle {
  display: none;
  appearance: none;
  border: none;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  padding: 6px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 3px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  cursor: pointer;
}

.btn--primary {
  background: var(--ink);
  color: var(--bg);
}

.btn--primary:hover { background: var(--accent); }

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

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

.play-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 6px;
  transition: transform 0.15s ease, background 0.15s ease;
}

.play-badge:hover { background: var(--accent); transform: translateY(-1px); }

.play-badge svg { width: 22px; height: 22px; flex-shrink: 0; }

.play-badge .txt {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.play-badge .txt small {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
}

.play-badge .txt strong {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 400;
}

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

.hero {
  padding: 88px 0 100px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.hero-copy .eyebrow { margin-bottom: 18px; display: block; }

.hero-copy h1 {
  font-size: clamp(38px, 5vw, 58px);
  max-width: 15ch;
}

.hero-copy .sub {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 25px);
  color: var(--accent);
  margin-top: 22px;
  line-height: 1.3;
}

.hero-copy .support {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-top: 22px;
  line-height: 1.65;
}

.hero-cta { margin-top: 36px; }

.hero-cta .note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  margin-top: 14px;
}

/* ---------- Phone mockup ---------- */

.phone-wrap {
  display: flex;
  justify-content: center;
}

.phone {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 9 / 19.3;
  background: var(--bg);
  border: 8px solid var(--ink);
  border-radius: 38px;
  box-shadow: var(--shadow-phone);
  overflow: hidden;
  position: relative;
  padding: 22px 18px 18px;
}

:root[data-theme="dark"] .phone { border-color: #2A2823; }

.phone-notch {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 18px;
  background: var(--ink);
  border-radius: 0 0 12px 12px;
}

:root[data-theme="dark"] .phone-notch { background: #2A2823; }

.phone-masthead {
  text-align: center;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1.5px solid var(--ink);
}

.phone-masthead .brand {
  font-family: var(--font-display);
  font-size: 26px;
}

.phone-masthead .meta {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 4px;
}

.phone-section-label {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 10px 0 6px;
}

.phone-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
}

.phone-item .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.phone-item.reply .dot { background: var(--tier-reply); }
.phone-item.update .dot { background: var(--tier-update); }
.phone-item.noise .dot { background: var(--tier-noise); }

.phone-item .body { min-width: 0; }

.phone-item .who {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.03em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

.phone-item .line {
  font-family: var(--font-body);
  font-size: 11.5px;
  color: var(--ink);
  margin-top: 2px;
  line-height: 1.35;
}

/* ---------- Section shell ---------- */

section { padding: 96px 0; }

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head .eyebrow { display: block; margin-bottom: 14px; }

.section-head h2 {
  font-size: clamp(30px, 3.6vw, 42px);
}

.section-head p {
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.65;
}

/* ---------- Problem ---------- */

.problem {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.problem .container { max-width: 760px; text-align: center; }

.problem .eyebrow { display: block; margin-bottom: 20px; }

.problem p {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.5;
  color: var(--ink);
}

.problem p + p { margin-top: 20px; }

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

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}

.step {
  padding: 32px 28px;
  border-right: 1px solid var(--rule);
  position: relative;
}

.step:last-child { border-right: none; }

.step .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.step h3 {
  font-size: 22px;
  margin-top: 14px;
}

.step p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.step .arrow {
  position: absolute;
  right: -11px;
  top: 34px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  z-index: 2;
  background: var(--bg);
}

.step:last-child .arrow { display: none; }

/* ---------- Interactive demo ---------- */

.demo-layout {
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  gap: 56px;
  align-items: center;
}

.demo-widget {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  padding: 22px;
  max-width: 440px;
  margin: 0 auto;
  width: 100%;
  position: relative;
}

/* Masthead row */
.demo-masthead-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}

.demo-masthead-title {
  font-family: var(--font-display);
  font-size: 26px;
}

.demo-masthead-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

.demo-refresh {
  appearance: none;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--ink-faint);
  font-size: 15px;
  line-height: 1;
  padding: 2px;
}

.demo-refresh:hover { color: var(--accent); }

.demo-rule {
  height: 2px;
  background: var(--ink);
  margin: 8px 0 16px;
}

/* Lede */
.demo-lede { margin-bottom: 18px; }

.demo-lede .eyebrow { display: block; margin-bottom: 8px; }

.demo-lede p {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* Factbox */
.demo-factbox {
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 14px 16px;
  margin-bottom: 18px;
  background: var(--bg);
}

.demo-factbox .eyebrow { display: block; margin-bottom: 12px; }

.demo-fact-row { display: flex; justify-content: space-between; }

.demo-fact-item { text-align: center; }

.demo-fact-item strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
}

.demo-fact-item.hi strong { color: var(--accent); }

.demo-fact-item span {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 3px;
}

/* Tab bar */
.demo-tabbar {
  display: flex;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 4px;
}

.demo-tab {
  flex: 1;
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  padding: 10px 4px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.demo-tab .count {
  display: block;
  font-size: 13px;
  color: var(--ink-faint);
  margin-top: 3px;
  letter-spacing: 0;
}

.demo-tab.active { color: var(--ink); border-bottom-color: var(--accent); }
.demo-tab.active .count { color: var(--accent); }

/* Rows */
.demo-rows { min-height: 160px; }

.demo-row { border-bottom: 1px solid var(--rule); }
.demo-row:last-child { border-bottom: none; }

.demo-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 2px;
  cursor: pointer;
}

.demo-row-head .from-col { min-width: 0; }

.demo-row-head .from {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.demo-row-head .from .email { color: var(--ink-faint); opacity: 0.7; }

.demo-row-head .subject {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.demo-row-head .badge-carry {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--accent);
  margin-top: 3px;
}

.demo-row-head .right-col {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
}

.demo-row-head .chevron { font-size: 14px; }
.demo-row.open .demo-row-head .chevron { color: var(--accent); }

.demo-row-detail {
  padding: 0 2px 16px;
  animation: demo-in 0.18s ease;
}

@keyframes demo-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.demo-quote {
  border-left: 3px solid var(--accent);
  background: var(--tier-reply-bg);
  border-radius: 2px;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-style: italic;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.demo-no-summary {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-faint);
}

.demo-action-item {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.5;
}

.demo-action-item .label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin-right: 4px;
}

.demo-action-item .text { color: var(--accent); font-family: var(--font-body); }

.demo-tag-row {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.demo-tag {
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

.demo-tag--status { background: var(--card-bg); }
.demo-tag--urgent { background: var(--tier-reply-bg); border-color: var(--tier-reply); color: var(--accent); }

.demo-action-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
  position: relative;
}

.demo-link-btn {
  appearance: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 12px;
  color: var(--accent);
}

.demo-link-btn--muted { color: var(--ink-faint); }
.demo-link-btn--ghost { color: var(--ink-faint); font-weight: 400; font-family: var(--font-mono); font-size: 11px; }
.demo-link-btn:hover { opacity: 0.75; }

.demo-correction-popover {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  display: flex;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--card-bg);
  z-index: 5;
  animation: demo-in 0.15s ease;
}

.demo-correction-popover button {
  appearance: none;
  background: none;
  border: none;
  border-left: 1px solid var(--card-border);
  cursor: pointer;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 12px;
  color: var(--accent);
  white-space: nowrap;
}

.demo-correction-popover button:first-child { border-left: none; }
.demo-correction-popover button:hover { background: var(--tier-reply-bg); }

.demo-empty-tab {
  padding: 30px 4px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
}

/* Dock */
.demo-dock {
  margin-top: 14px;
  border: 1px solid var(--tier-reply);
  background: var(--tier-reply-bg);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
}

.demo-dock-text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  color: var(--ink);
}

.demo-dock-arrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--accent);
  white-space: nowrap;
}

/* Decide Mode */
.demo-decide-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.demo-decide-close {
  appearance: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  color: var(--ink-faint);
  width: 24px;
}

.demo-decide-top span[data-demo-decide-progress] {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}

.demo-progress-track {
  height: 3px;
  background: var(--rule);
  border-radius: 2px;
  overflow: hidden;
  margin: 10px 0 20px;
}

.demo-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.2s ease;
}

.demo-decide-stage { min-height: 360px; }

.demo-decide-card {
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 20px;
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
  animation: demo-in 0.2s ease;
}

.demo-decide-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.demo-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--tier-reply-bg);
  border: 1px solid var(--tier-reply);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  flex-shrink: 0;
}

.demo-decide-header .who { min-width: 0; flex: 1; }

.demo-decide-header .from-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.demo-decide-header .from-email {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--ink-faint);
}

.demo-decide-card .subject {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  margin-bottom: 8px;
}

.demo-decide-card .deadline {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}

.demo-decide-box {
  border: 1px solid var(--tier-reply);
  background: var(--tier-reply-bg);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}

.demo-decide-box .label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 6px;
}

.demo-decide-box .text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.45;
}

.demo-sent-banner {
  text-align: center;
  border: 1px solid var(--tier-reply);
  background: var(--tier-reply-bg);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
}

.demo-reply-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}

.demo-reply-row textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: var(--font-body);
  font-size: 13px;
  background: var(--bg);
  color: var(--ink);
  min-height: 38px;
  max-height: 70px;
}

.demo-reply-row button {
  appearance: none;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  padding: 10px 14px;
  cursor: pointer;
  flex-shrink: 0;
}

.demo-reply-row button:disabled { opacity: 0.4; cursor: default; }

.demo-decide-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.demo-decide-actions button {
  flex: 1;
  appearance: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 12px 10px;
  border-radius: 8px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink-faint);
}

.demo-decide-actions button.primary {
  border-color: var(--tier-reply);
  background: var(--tier-reply-bg);
  color: var(--accent);
}

.demo-decide-actions button:hover { border-color: var(--accent); color: var(--accent); }

.demo-complete { text-align: center; padding-top: 60px; }

.demo-complete .mark {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--accent);
}

.demo-complete h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin-top: 8px;
}

.demo-complete p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

.demo-complete button {
  margin-top: 20px;
  appearance: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 22px;
  border-radius: 3px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
}

.demo-complete button:hover { border-color: var(--accent); color: var(--accent); }

.demo-side {
  text-align: left;
}

.demo-side-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--ink-faint);
  margin-bottom: 16px;
}

.badge-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.play-badge--disabled {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

.play-badge--disabled:hover { background: var(--ink); }

/* ---------- Feature grid ---------- */

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

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
}

.feature-card h3 {
  font-size: 20px;
  margin-top: 16px;
}

.feature-card p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.feature-icon {
  width: 34px;
  height: 34px;
  color: var(--accent);
}

/* ---------- Trust ---------- */

.trust {
  background: var(--card-bg);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
}

.trust-item {
  border-top: 2px solid var(--ink);
  padding-top: 18px;
}

.trust-item h3 {
  font-size: 18px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}

.trust-item p {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.65;
}

/* ---------- Screenshots ---------- */

.screens-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

.screen-card { text-align: center; }

.screen-frame {
  background: var(--bg);
  border: 6px solid var(--ink);
  border-radius: 24px;
  aspect-ratio: 9/17.5;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
}

:root[data-theme="dark"] .screen-frame { border-color: #2A2823; }

.screen-card figcaption {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.mini-title {
  text-align: center;
  border-bottom: 1.5px solid var(--ink);
  padding-bottom: 8px;
  margin-bottom: 10px;
}

.mini-title .brand { font-family: var(--font-display); font-size: 18px; }
.mini-title .meta {
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-top: 2px;
}

.swipe-card {
  margin-top: auto;
  margin-bottom: auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: var(--shadow-card);
}

.swipe-card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 20px;
  background: var(--tier-reply-bg);
  color: var(--tier-reply);
}

.swipe-card .from {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--ink-faint);
  margin-top: 10px;
  text-transform: uppercase;
}

.swipe-card .summary {
  font-family: var(--font-body);
  font-size: 13px;
  margin-top: 8px;
  line-height: 1.5;
}

.swipe-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.swipe-actions span {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 8px 4px;
  border-radius: 6px;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
}

.correction-note {
  margin-top: 16px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--ink-faint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Download CTA ---------- */

.cta-band {
  text-align: center;
  background: var(--ink);
  color: var(--bg);
  border-radius: 12px;
  padding: 72px 32px;
}

.cta-band .eyebrow { color: var(--accent); display: block; margin-bottom: 18px; }

.cta-band h2 {
  color: var(--bg);
  font-size: clamp(28px, 3.6vw, 40px);
  max-width: 20ch;
  margin: 0 auto;
}

.cta-band .play-badge {
  margin-top: 34px;
  background: var(--bg);
  color: var(--ink);
}

.cta-band .play-badge:hover { background: var(--accent); color: var(--ink); }

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

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 48px 0 36px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 32px;
}

.footer-links {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links a { text-decoration: none; color: var(--ink-soft); }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}

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

.legal {
  padding: 64px 0 100px;
}

.legal .container { max-width: 760px; }

.legal h1 { font-size: clamp(32px, 4vw, 44px); }

.legal .updated {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 14px;
  display: block;
}

.legal h2 {
  font-size: 22px;
  margin-top: 48px;
  margin-bottom: 14px;
}

.legal p, .legal li {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.legal p + p { margin-top: 14px; }

.legal ul { padding-left: 22px; margin-top: 14px; }
.legal li + li { margin-top: 8px; }

.legal a { color: var(--accent); }

.legal .callout {
  margin-top: 40px;
  padding: 24px;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  background: var(--card-bg);
}

.legal .callout p { font-size: 15px; }

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

@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { order: 1; text-align: center; }
  .hero-copy .support { margin-left: auto; margin-right: auto; }
  .phone-wrap { order: 0; }

  .steps { grid-template-columns: 1fr 1fr; }
  .step { border-right: 1px solid var(--rule); }
  .step:nth-child(2) { border-right: none; }
  .step .arrow { display: none; }
  .step { border-bottom: 1px solid var(--rule); }
  .step:nth-child(3), .step:nth-child(4) { border-bottom: none; }

  .features-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr; gap: 32px; }
  .screens-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }

  .demo-layout { grid-template-columns: 1fr; gap: 32px; }
  .demo-side { text-align: center; }
  .demo-side-copy { text-align: center; }
  .badge-row { align-items: center; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-links.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
  }
  .nav-links.is-open a { padding: 12px 0; border-bottom: 1px solid var(--rule); }
  .nav-links.is-open a:last-child { border-bottom: none; }
  .nav-toggle { display: flex; }
  section { padding: 64px 0; }
  .hero { padding: 56px 0 72px; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: none !important; }
  .features-grid { grid-template-columns: 1fr; }
  .screens-grid { grid-template-columns: 1fr 1fr; }
  .screen-card:last-child { grid-column: 1 / -1; max-width: 260px; margin: 0 auto; }
  .cta-band { padding: 56px 22px; }
  .footer-top { flex-direction: column; }
}

@media (max-width: 480px) {
  .screens-grid { grid-template-columns: 1fr; }
  .screen-card:last-child { max-width: none; }
}