/* ==================================================================
   Live hero mockup (homepage only). Load after lb.css.
   A Gmail-like window with the Letterbot panel, driven by
   assets/js/lb/demo.js. Gmail chrome uses the system UI font,
   the Letterbot panel uses Mona Sans.
   ================================================================== */

/* Dark skin (default) */
:root {
  --mk-window: #1B1B1E;
  --mk-ring: 0 0 0 1px rgba(255,255,255,.11), 0 1px 0 0 rgba(255,255,255,.08) inset;
  --mk-shadow: 0 60px 120px -40px rgba(0,0,0,.85), 0 30px 80px -50px rgba(45,212,191,.3);
  --mk-edge: rgba(255,255,255,.28);
  --mk-fg: #E4E4E6;
  --mk-bar: #202023;
  --mk-line: rgba(255,255,255,.07);
  --mk-dot: #3A3A3F;
  --mk-url-bg: #17171A;
  --mk-url-fg: #96969D;
  --mk-gmail-fg: #C9C9CD;
  --mk-search-bg: #27272B;
  --mk-search-fg: #8E8E95;
  --mk-avatar-bg: #35353A;
  --mk-avatar-fg: #E4E4E6;
  --mk-compose-btn-bg: #2A2A2E;
  --mk-compose-btn-fg: #EDEDEF;
  --mk-nav-fg: #A9A9AF;
  --mk-nav-on-bg: rgba(255,255,255,.08);
  --mk-nav-on-fg: #F0F0F1;
  --mk-row-line: rgba(255,255,255,.05);
  --mk-row-fg: #9A9AA0;
  --mk-row-unread: #E9E9EB;
  --mk-row-pv: #8A8A91;
  --mk-list-opacity: .55;

  --mk-panel: #242427;
  --mk-panel-line: rgba(255,255,255,.12);
  --mk-panel-shadow: 0 30px 60px -20px rgba(0,0,0,.75), 0 1px 0 rgba(255,255,255,.07) inset;
  --mk-title: #F1F1F2;
  --mk-icon-bg: rgba(255,255,255,.06);
  --mk-icon-fg: #9C9CA2;
  --mk-pill-line: rgba(255,255,255,.1);
  --mk-pill-fg: #AEAEB4;
  --mk-pill-on-fg: #5EEAD4;
  --mk-inset: #1B1B1E;
  --mk-inset-line: rgba(255,255,255,.09);
  --mk-k: #8E8E95;
  --mk-v: #E7E7E9;
  --mk-label: #95959C;
  --mk-input: #19191C;
  --mk-input-line: rgba(255,255,255,.1);
  --mk-input-fg: #CFCFD4;
  --mk-input-focus: rgba(255,255,255,.22);
  --mk-gen-bg: #2DD4BF;
  --mk-gen-fg: #042F2E;
  --mk-gen-busy-bg: #0F2E2B;
  --mk-gen-busy-fg: #5EEAD4;
  --mk-sh-a: #29292D;
  --mk-sh-b: #36363B;
  --mk-result-fg: #F1F1F2;
  --mk-empty-line: rgba(255,255,255,.13);
  --mk-empty-fg: #8A8A91;
  --mk-copy-line: rgba(255,255,255,.12);
  --mk-copy-fg: #D0D0D4;
  --mk-ink-bg: #EDEDEC;     /* Insert and Send */
  --mk-ink-fg: #141414;
  --mk-ink-press: #FFFFFF;
  --mk-compose: #232326;
  --mk-compose-head: #2C2C30;
  --mk-compose-shadow: 0 -20px 50px -20px rgba(0,0,0,.75);
  --mk-cf-fg: #D4D4D8;
  --mk-cb-fg: #E9E9EB;
}

/* Light skin: keep both blocks identical */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --mk-window: #FFFFFF;
    --mk-ring: 0 0 0 1px #E6E5E1;
    --mk-shadow: 0 1px 1px rgba(17,17,16,.04), 0 14px 32px -14px rgba(17,17,16,.16), 0 48px 96px -40px rgba(17,17,16,.24);
    --mk-edge: transparent;
    --mk-fg: #111110;
    --mk-bar: #F3F3F1;
    --mk-line: #E6E5E1;
    --mk-dot: #DAD9D4;
    --mk-url-bg: #FFFFFF;
    --mk-url-fg: #6A6963;
    --mk-gmail-fg: #3F3E3A;
    --mk-search-bg: #F3F3F1;
    --mk-search-fg: #6A6963;
    --mk-avatar-bg: #DCDBD5;
    --mk-avatar-fg: #3F3E3A;
    --mk-compose-btn-bg: #ECECE9;
    --mk-compose-btn-fg: #111110;
    --mk-nav-fg: #3F3E3A;
    --mk-nav-on-bg: #F3F3F1;
    --mk-nav-on-fg: #111110;
    --mk-row-line: #F0EFEC;
    --mk-row-fg: #6A6963;
    --mk-row-unread: #111110;
    --mk-row-pv: #6A6963;
    --mk-list-opacity: .7;

    --mk-panel: #FFFFFF;
    --mk-panel-line: #E6E5E1;
    --mk-panel-shadow: 0 1px 2px rgba(17,17,16,.05), 0 18px 40px -16px rgba(17,17,16,.22);
    --mk-title: #111110;
    --mk-icon-bg: #F3F3F1;
    --mk-icon-fg: #6A6963;
    --mk-pill-line: #E6E5E1;
    --mk-pill-fg: #6A6963;
    --mk-pill-on-fg: #0F766E;
    --mk-inset: #FCFCFB;
    --mk-inset-line: #E6E5E1;
    --mk-k: #6A6963;
    --mk-v: #111110;
    --mk-label: #6A6963;
    --mk-input: #FFFFFF;
    --mk-input-line: #D4D3CE;
    --mk-input-fg: #3F3E3A;
    --mk-input-focus: #111110;
    --mk-gen-bg: #111110;
    --mk-gen-fg: #FFFFFF;
    --mk-gen-busy-bg: #3A3935;
    --mk-gen-busy-fg: #FFFFFF;
    --mk-sh-a: #ECECE9;
    --mk-sh-b: #F7F7F5;
    --mk-result-fg: #111110;
    --mk-empty-line: #D4D3CE;
    --mk-empty-fg: #6A6963;
    --mk-copy-line: #D4D3CE;
    --mk-copy-fg: #111110;
    --mk-ink-bg: #111110;
    --mk-ink-fg: #FFFFFF;
    --mk-ink-press: #3A3935;
    --mk-compose: #FFFFFF;
    --mk-compose-head: #F3F3F1;
    --mk-compose-shadow: 0 -2px 4px rgba(17,17,16,.03), 0 -18px 40px -16px rgba(17,17,16,.22);
    --mk-cf-fg: #3F3E3A;
    --mk-cb-fg: #111110;
  }
}
:root[data-theme="light"] {
  --mk-window: #FFFFFF;
  --mk-ring: 0 0 0 1px #E6E5E1;
  --mk-shadow: 0 1px 1px rgba(17,17,16,.04), 0 14px 32px -14px rgba(17,17,16,.16), 0 48px 96px -40px rgba(17,17,16,.24);
  --mk-edge: transparent;
  --mk-fg: #111110;
  --mk-bar: #F3F3F1;
  --mk-line: #E6E5E1;
  --mk-dot: #DAD9D4;
  --mk-url-bg: #FFFFFF;
  --mk-url-fg: #6A6963;
  --mk-gmail-fg: #3F3E3A;
  --mk-search-bg: #F3F3F1;
  --mk-search-fg: #6A6963;
  --mk-avatar-bg: #DCDBD5;
  --mk-avatar-fg: #3F3E3A;
  --mk-compose-btn-bg: #ECECE9;
  --mk-compose-btn-fg: #111110;
  --mk-nav-fg: #3F3E3A;
  --mk-nav-on-bg: #F3F3F1;
  --mk-nav-on-fg: #111110;
  --mk-row-line: #F0EFEC;
  --mk-row-fg: #6A6963;
  --mk-row-unread: #111110;
  --mk-row-pv: #6A6963;
  --mk-list-opacity: .7;

  --mk-panel: #FFFFFF;
  --mk-panel-line: #E6E5E1;
  --mk-panel-shadow: 0 1px 2px rgba(17,17,16,.05), 0 18px 40px -16px rgba(17,17,16,.22);
  --mk-title: #111110;
  --mk-icon-bg: #F3F3F1;
  --mk-icon-fg: #6A6963;
  --mk-pill-line: #E6E5E1;
  --mk-pill-fg: #6A6963;
  --mk-pill-on-fg: #0F766E;
  --mk-inset: #FCFCFB;
  --mk-inset-line: #E6E5E1;
  --mk-k: #6A6963;
  --mk-v: #111110;
  --mk-label: #6A6963;
  --mk-input: #FFFFFF;
  --mk-input-line: #D4D3CE;
  --mk-input-fg: #3F3E3A;
  --mk-input-focus: #111110;
  --mk-gen-bg: #111110;
  --mk-gen-fg: #FFFFFF;
  --mk-gen-busy-bg: #3A3935;
  --mk-gen-busy-fg: #FFFFFF;
  --mk-sh-a: #ECECE9;
  --mk-sh-b: #F7F7F5;
  --mk-result-fg: #111110;
  --mk-empty-line: #D4D3CE;
  --mk-empty-fg: #6A6963;
  --mk-copy-line: #D4D3CE;
  --mk-copy-fg: #111110;
  --mk-ink-bg: #111110;
  --mk-ink-fg: #FFFFFF;
  --mk-ink-press: #3A3935;
  --mk-compose: #FFFFFF;
  --mk-compose-head: #F3F3F1;
  --mk-compose-shadow: 0 -2px 4px rgba(17,17,16,.03), 0 -18px 40px -16px rgba(17,17,16,.22);
  --mk-cf-fg: #3F3E3A;
  --mk-cb-fg: #111110;
}

/* ------------------------------------------------------------------
   Hero layout around the mockup
   ------------------------------------------------------------------ */
.hero { padding: 48px 0 0; position: relative; overflow-x: clip; }
.hero-copy { max-width: 760px; }
.hero h1 { max-width: 15.5em; }
.hero .lede { margin-top: 18px; max-width: 58ch; }
.hero .cta-row { margin-top: 28px; }
.hero .proof { margin-top: 64px; }

.stage { position: relative; margin-top: 44px; }
.stage::before {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  left: -6%; right: -6%; top: -4%; bottom: -10%;
  background: var(--glow);
}

/* ------------------------------------------------------------------
   Window
   ------------------------------------------------------------------ */
.lb-browser {
  position: relative; z-index: 1; max-width: 1080px; margin: 0 auto;
  background: var(--mk-window); border-radius: var(--r-xl); overflow: hidden;
  font-family: var(--ui-font); color: var(--mk-fg);
  box-shadow: var(--mk-ring), var(--mk-shadow);
  user-select: none; -webkit-user-select: none;
}
.lb-browser::after { /* light catching the top edge (dark skin) */
  content: ""; position: absolute; top: 0; left: 12%; right: 12%; height: 1px; pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--mk-edge), transparent);
}
.lb-bar { height: 40px; display: flex; align-items: center; gap: 12px; padding: 0 16px; background: var(--mk-bar); border-bottom: 1px solid var(--mk-line); }
.lb-dots { display: flex; gap: 7px; flex-shrink: 0; }
.lb-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--mk-dot); }
.lb-url { margin: 0 auto; display: flex; align-items: center; gap: 7px; height: 26px; padding: 0 14px; border-radius: 8px; background: var(--mk-url-bg); border: 1px solid var(--mk-line); font-size: 12px; color: var(--mk-url-fg); min-width: 220px; justify-content: center; }
.lb-url svg { width: 11px; height: 11px; }
.lb-bar-spacer { width: 44px; flex-shrink: 0; }

.lb-top { height: 56px; display: flex; align-items: center; gap: 16px; padding: 0 16px 0 20px; border-bottom: 1px solid var(--mk-line); }
.lb-gmail { display: flex; align-items: center; gap: 8px; font-size: 18px; color: var(--mk-gmail-fg); min-width: 150px; letter-spacing: -0.01em; }
.lb-gmail svg { width: 26px; height: 20px; }
.lb-search { flex: 1; max-width: 560px; height: 38px; border-radius: 10px; background: var(--mk-search-bg); display: flex; align-items: center; gap: 10px; padding: 0 14px; font-size: 13px; color: var(--mk-search-fg); }
.lb-search svg { width: 15px; height: 15px; }
.lb-avatar { margin-left: auto; width: 30px; height: 30px; border-radius: 50%; background: var(--mk-avatar-bg); color: var(--mk-avatar-fg); font-size: 12px; font-weight: 600; display: flex; align-items: center; justify-content: center; }

.lb-body { position: relative; display: flex; height: 580px; overflow: hidden; }
.lb-side { width: 188px; flex-shrink: 0; padding: 14px 10px 0 0; }
.lb-compose-btn { margin: 0 0 14px 12px; display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 18px; border-radius: 14px; background: var(--mk-compose-btn-bg); color: var(--mk-compose-btn-fg); font-size: 13px; font-weight: 600; }
.lb-compose-btn svg { width: 16px; height: 16px; }
.lb-navi { display: flex; justify-content: space-between; align-items: center; height: 30px; padding: 0 12px 0 22px; border-radius: 0 15px 15px 0; font-size: 13px; color: var(--mk-nav-fg); }
.lb-navi.on { background: var(--mk-nav-on-bg); color: var(--mk-nav-on-fg); font-weight: 600; }
.lb-navi b { font-weight: 600; font-size: 11px; }

.lb-list { flex: 1; min-width: 0; padding-top: 6px; opacity: var(--mk-list-opacity); }
.lb-row { display: grid; grid-template-columns: 128px 1fr 64px; gap: 12px; align-items: center; height: 40px; padding: 0 18px; border-bottom: 1px solid var(--mk-row-line); font-size: 12.5px; color: var(--mk-row-fg); }
.lb-row.unread { color: var(--mk-row-unread); font-weight: 600; }
.lb-row span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lb-row .pv { font-weight: 400; color: var(--mk-row-pv); }
.lb-row .tm { text-align: right; font-size: 11.5px; }

/* ------------------------------------------------------------------
   Letterbot panel
   ------------------------------------------------------------------ */
.lb-panel {
  position: absolute; z-index: 3; top: 10px; right: 10px; bottom: 10px; width: 396px;
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--mk-panel); border: 1px solid var(--mk-panel-line); border-radius: var(--r-lg);
  box-shadow: var(--mk-panel-shadow);
  font-family: var(--font);
}
.lb-ph { height: 46px; flex-shrink: 0; display: flex; align-items: center; justify-content: space-between; padding: 0 12px 0 12px; border-bottom: 1px solid var(--mk-panel-line); }
.lb-ph-title { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 620; font-stretch: 104%; letter-spacing: -0.01em; color: var(--mk-title); }
.lb-ph-title img { width: 24px; height: 24px; object-fit: contain; }
.lb-ph-btns { display: flex; gap: 6px; }
.lb-ph-btns span { width: 26px; height: 26px; border-radius: 8px; background: var(--mk-icon-bg); display: flex; align-items: center; justify-content: center; color: var(--mk-icon-fg); }
.lb-ph-btns svg { width: 13px; height: 13px; }

.lb-pb { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 9px; padding: 13px 14px 14px; transition: opacity var(--t-base) var(--ease); }
.lb-pb.is-fading { opacity: 0; }
.lb-pills { display: flex; gap: 4px; flex-shrink: 0; }
.lb-pill { flex: 1 1 auto; justify-content: center; height: 27px; padding: 0 6px; display: inline-flex; align-items: center; border-radius: 7px; border: 1px solid var(--mk-pill-line); font-size: 11.5px; font-weight: 520; color: var(--mk-pill-fg); white-space: nowrap; transition: background-color var(--t-base) var(--ease), color var(--t-base) var(--ease), border-color var(--t-base) var(--ease); }
.lb-pill.on { background: var(--accent-soft); border-color: var(--accent-line); color: var(--mk-pill-on-fg); font-weight: 600; }
.lb-selects { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; flex-shrink: 0; }
.lb-select { height: 32px; overflow: hidden; white-space: nowrap; display: flex; align-items: center; gap: 6px; padding: 0 10px; border-radius: 8px; background: var(--mk-inset); border: 1px solid var(--mk-inset-line); font-size: 11.5px; }
.lb-select .k { color: var(--mk-k); }
.lb-select .v { color: var(--mk-v); font-weight: 560; }
.lb-select svg { width: 12px; height: 12px; margin-left: auto; color: var(--mk-k); }
.lb-field { flex-shrink: 0; }
.lb-label { font-size: 11.5px; color: var(--mk-label); margin-bottom: 6px; }
.lb-input { height: 78px; overflow: hidden; padding: 9px 11px; border-radius: 9px; background: var(--mk-input); border: 1px solid var(--mk-input-line); font-size: 12.5px; line-height: 1.5; color: var(--mk-input-fg); white-space: pre-wrap; transition: border-color var(--t-base); }
.lb-input.is-typing { border-color: var(--mk-input-focus); }
.is-typing::after { content: ""; display: inline-block; width: 1.5px; height: 1.15em; margin-left: 1px; vertical-align: text-bottom; background: var(--accent); animation: lb-blink 1s steps(1) infinite; }
@keyframes lb-blink { 50% { opacity: 0; } }

.lb-gen { flex-shrink: 0; height: 36px; border-radius: 9px; background: var(--mk-gen-bg); color: var(--mk-gen-fg); font-size: 12.5px; font-weight: 640; display: flex; align-items: center; justify-content: center; gap: 8px; box-shadow: 0 1px 0 rgba(255,255,255,.2) inset; transition: background-color var(--t-base), transform var(--t-fast); }
.lb-gen.is-loading { background: var(--mk-gen-busy-bg); color: var(--mk-gen-busy-fg); }
.lb-gen.is-pressed { transform: scale(.97); }
.lb-spin { display: none; width: 12px; height: 12px; border-radius: 50%; border: 2px solid currentColor; border-top-color: transparent; opacity: .85; animation: lb-spin .7s linear infinite; }
.lb-gen.is-loading .lb-spin { display: inline-block; }
@keyframes lb-spin { to { transform: rotate(360deg); } }

.lb-shimmer { display: none; flex-shrink: 0; padding: 12px; border-radius: 9px; background: var(--mk-inset); border: 1px solid var(--mk-inset-line); }
.lb-shimmer.on { display: block; }
.lb-shimmer i { display: block; height: 9px; border-radius: 4px; margin-bottom: 9px; background: linear-gradient(90deg, var(--mk-sh-a) 25%, var(--mk-sh-b) 50%, var(--mk-sh-a) 75%); background-size: 200% 100%; animation: lb-sh 1.2s ease-in-out infinite; }
.lb-shimmer i:nth-child(2) { width: 88%; } .lb-shimmer i:nth-child(3) { width: 72%; } .lb-shimmer i:nth-child(4) { width: 48%; margin-bottom: 0; }
@keyframes lb-sh { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.lb-result { display: none; flex: 1 1 auto; min-height: 0; overflow: hidden; padding: 10px 12px; border-radius: 9px; background: var(--mk-inset); border: 1px solid var(--mk-inset-line); font-size: 12.5px; line-height: 1.55; color: var(--mk-result-fg); white-space: pre-wrap; }
.lb-result.on { display: block; animation: lb-focus .5s var(--ease) both; }
@keyframes lb-focus { from { opacity: 0; filter: blur(4px); } to { opacity: 1; filter: blur(0); } }
.lb-empty { flex: 1 1 auto; min-height: 0; display: flex; align-items: center; justify-content: center; border-radius: 9px; border: 1px dashed var(--mk-empty-line); font-size: 12px; color: var(--mk-empty-fg); }
.lb-shimmer.on ~ .lb-empty, .lb-result.on ~ .lb-empty { display: none; }
.lb-actions { display: none; gap: 8px; flex-shrink: 0; }
.lb-actions.on { display: flex; }
.lb-copy, .lb-insert { flex: 1; height: 32px; border-radius: 8px; font-size: 11.5px; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 6px; transition: transform var(--t-fast) var(--ease), background-color var(--t-fast); }
.lb-copy { border: 1px solid var(--mk-copy-line); color: var(--mk-copy-fg); }
.lb-insert { background: var(--mk-ink-bg); color: var(--mk-ink-fg); }
.lb-insert.is-pressed { transform: scale(.96); background: var(--mk-ink-press); }
.lb-copy svg, .lb-insert svg { width: 13px; height: 13px; }

/* ------------------------------------------------------------------
   Gmail compose window
   ------------------------------------------------------------------ */
.lb-compose {
  position: absolute; z-index: 2; bottom: 0; right: 422px; width: min(340px, calc(100% - 436px));
  background: var(--mk-compose); border: 1px solid var(--mk-panel-line); border-bottom: 0; border-radius: 12px 12px 0 0;
  box-shadow: var(--mk-compose-shadow);
  transform: translateY(calc(100% + 24px)); transition: transform var(--t-slow) var(--ease);
}
.lb-compose.open { transform: translateY(0); }
.lb-ch { height: 36px; display: flex; align-items: center; justify-content: space-between; padding: 0 12px; background: var(--mk-compose-head); border-radius: 12px 12px 0 0; font-size: 12.5px; font-weight: 600; color: var(--mk-v); }
.lb-ch svg { width: 12px; height: 12px; color: var(--mk-k); }
.lb-cf { display: flex; gap: 8px; align-items: center; height: 32px; padding: 0 12px; border-bottom: 1px solid var(--mk-line); font-size: 12px; color: var(--mk-cf-fg); white-space: nowrap; overflow: hidden; }
.lb-cf em { font-style: normal; color: var(--mk-k); }
.lb-cf span { overflow: hidden; text-overflow: ellipsis; }
.lb-cb { height: 236px; overflow: hidden; padding: 10px 12px; font-size: 12.5px; line-height: 1.55; color: var(--mk-cb-fg); white-space: pre-wrap; }
.lb-ct { display: flex; align-items: center; height: 46px; padding: 0 12px; border-top: 1px solid var(--mk-line); }
.lb-send { height: 30px; padding: 0 16px; border-radius: 15px; background: var(--mk-ink-bg); color: var(--mk-ink-fg); font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; }

/* ------------------------------------------------------------------
   Demo controls (scene picker, pause)
   ------------------------------------------------------------------ */
.demo-controls { position: relative; z-index: 1; display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 24px; flex-wrap: wrap; }
.seg { display: inline-flex; gap: 2px; padding: 4px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); }
.seg button { height: 32px; padding: 0 14px; border-radius: 8px; font-size: 13px; font-weight: 520; color: var(--text-2); white-space: nowrap; transition: background-color var(--t-fast), color var(--t-fast); }
.seg button:hover { color: var(--text); }
.seg button[aria-pressed="true"] { background: var(--surface-3); color: var(--text); }
.icon-btn { width: 42px; height: 42px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: var(--surface); border: 1px solid var(--line); color: var(--text-2); transition: color var(--t-fast), background-color var(--t-fast); }
.icon-btn:hover { color: var(--text); background: var(--surface-2); }
.icon-btn svg { width: 16px; height: 16px; }
.icon-btn .i-play { display: none; }
.icon-btn[aria-pressed="true"] .i-play { display: block; }
.icon-btn[aria-pressed="true"] .i-pause { display: none; }

@media (prefers-reduced-motion: no-preference) {
  .stage-rise { animation: lb-stage-rise 1s var(--ease) both; animation-delay: 220ms; }
  @keyframes lb-stage-rise { from { opacity: 0; transform: translateY(20px); } }
}
@media (prefers-reduced-motion: reduce) {
  .is-typing::after { display: none; }
}

/* ------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------ */
/* Wide screens: copy beside the demo, so the whole sequence sits above the fold */
@media (min-width: 1240px) {
  .hero > .wrap { display: grid; grid-template-columns: minmax(0, clamp(380px, 32vw, 440px)) minmax(0, 1fr); column-gap: clamp(48px, 4.4vw, 72px); }
  .hero { padding-top: 32px; }
  .hero-copy { align-self: center; padding-bottom: 48px; }
  .hero h1 { font-size: clamp(2.75rem, 3.7vw, 3.375rem); }
  .stage { margin-top: 0; }
  .lb-browser { max-width: none; }
  .lb-side { display: none; }
  .hero .proof { grid-column: 1 / -1; }
}
@media (max-width: 1040px) {
  .lb-side { display: none; }
}
/* Narrow: the panel fills the window and the compose window slides up over it */
@media (max-width: 860px) {
  .lb-list { display: none; }
  .lb-panel { left: 10px; width: auto; }
  .lb-body { height: 600px; }
  .lb-compose { z-index: 4; left: 10px; right: 10px; width: auto; border-radius: 12px 12px 0 0; box-shadow: 0 -28px 56px -16px rgba(0,0,0,.5), 0 -1px 0 var(--mk-line); }
  .lb-ct { height: 42px; }
}
@media (max-width: 640px) {
  .hero { padding-top: 44px; }
  .stage { margin-top: 40px; }
  .hero .proof { margin-top: 48px; }
  .lb-browser { border-radius: 14px; }
  .lb-search, .lb-bar-spacer { display: none; }
  .lb-url { min-width: 0; margin: 0 0 0 auto; }
  .lb-gmail { min-width: 0; }
  .lb-body { height: 640px; }
  .lb-pills { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, #000 90%, transparent); mask-image: linear-gradient(90deg, #000 90%, transparent); }
  .lb-select { padding: 0 8px; font-size: 11px; }
  .lb-panel { top: 8px; right: 8px; bottom: 8px; left: 8px; }
  .lb-compose { left: 8px; right: 8px; }
  .seg { flex: 1 1 auto; min-width: 0; overflow-x: auto; scrollbar-width: none; }
  .seg::-webkit-scrollbar { display: none; }
  .seg button { flex: 1 0 auto; padding: 0 12px; }
  .demo-controls { flex-wrap: nowrap; }
}