/* ------------------------------------------------------------------
   Harper landing, near-black canvas, hairline borders, white ink.
   Display + body: Inter Tight (light weights, River-style).
   Micro-labels: JetBrains Mono.
------------------------------------------------------------------- */

:root {
  --ink: #ededed;
  --ink-dim: #8a8a8a;
  --ink-faint: #5a5a5a;

  --canvas: #0a0a0a;
  --surface: #0f0f0f;
  --surface-2: #161616;
  --surface-3: #1d1d1d;

  --line: #232323;
  --line-strong: #2f2f2f;

  --sans: 'Inter Tight', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  --blue: #0a84ff;

  --radius: 4px;
  --pad: clamp(20px, 4vw, 48px);
}

* { box-sizing: border-box; border-color: var(--line); }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.num { font-variant-numeric: tabular-nums; }

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: var(--pad);
}

/* ---------------- nav ---------------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--pad);
  transition: background-color .4s ease, border-color .4s ease;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: color-mix(in srgb, var(--canvas) 82%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* metallic mark on black, screen-blend the square away */
.nav-logo img { display: block; mix-blend-mode: screen; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--ink); }

.nav-cta {
  color: var(--ink);
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 2px;
  padding: 9px 14px;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--canvas) !important;
  border-color: var(--ink);
}

/* ---------------- hero ---------------- */

.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
}

/* Cinematic nature hero. Muted, darkened color grade keeps the photo
   on-brand; swap the <img> for a <video> and nothing else moves. */
.hero-media {
  position: absolute;
  inset: 0;
}

/* Single looping montage video. Soft blur (like the known.com hero);
   scaled up a touch so the blurred edges never show. */
.hero-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 42%;
  filter: saturate(1.07) brightness(1.0) blur(4px);
  transform: scale(1.06);
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    /* seat the headline bottom-left in a soft warm wash (not black) */
    linear-gradient(100deg, rgba(38,24,14,.62) 0%, rgba(38,24,14,.26) 32%, rgba(38,24,14,.04) 54%, transparent 64%),
    /* gentle lift off the bottom for the sub-copy + feature strip */
    linear-gradient(to top, rgba(28,18,10,.6) 0%, rgba(28,18,10,.14) 24%, transparent 42%),
    /* whisper of shade up top so the nav stays legible */
    linear-gradient(to bottom, rgba(28,18,10,.32) 0%, transparent 14%);
  pointer-events: none;
}

.hero-inner {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: clamp(120px, 19vh, 210px);
  max-width: 720px;
}

.hero-title {
  margin: 0;
  font-weight: 200;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  min-height: 1.1em;
  text-shadow: 0 2px 24px rgba(10,10,10,.55);
}

.caret {
  display: inline-block;
  width: .04em;
  min-width: 2px;
  height: .9em;
  margin-left: .06em;
  background: var(--ink);
  vertical-align: -0.1em;
  animation: blink 1.1s steps(1) infinite;
}

.caret.is-done { animation: blink 1.1s steps(1) 4; animation-fill-mode: forwards; opacity: 0; }

@keyframes blink { 50% { opacity: 0; } }

.hero-sub {
  margin: 22px 0 0;
  max-width: 460px;
  font-size: 15.5px;
  font-weight: 300;
  line-height: 1.7;
  color: #c9c9cc;
  text-shadow: 0 1px 16px rgba(10,10,10,.65);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .9s ease, transform .9s ease;
}

.hero-sub.is-in { opacity: 1; transform: none; }

/* ---------------- standalone iMessage bubbles (poke-style) ---------------- */

.msgs-label {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 300;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.hbubble {
  position: relative;
  width: fit-content;
  max-width: 86%;
  padding: 10px 15px 11px;
  margin-bottom: 3px;
  border-radius: 19px;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter Tight', sans-serif;
  font-size: 14.5px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.hbubble.them {
  margin-right: auto;
  background: #26262a;
  color: #e9e9eb;
}

.hbubble.me {
  margin-left: auto;
  background: linear-gradient(180deg, #1f8fff 0%, #0a7aff 100%);
  color: #fff;
}

.hbubble.tail.me::after,
.hbubble.tail.them::after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 20px;
  height: 18px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.hbubble.tail.me::after {
  right: -6px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 18'%3E%3Cpath d='M0 0 L0 18 L20 18 C12 18 5 12 4 0 Z' fill='%230a7aff'/%3E%3C/svg%3E");
}

.hbubble.tail.them::after {
  left: -6px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 18'%3E%3Cpath d='M20 0 L20 18 L0 18 C8 18 15 12 16 0 Z' fill='%2326262a'/%3E%3C/svg%3E");
}

/* hero cluster: floats over the photo, frosted */
.hero-msgs {
  position: absolute;
  right: clamp(20px, 6vw, 88px);
  bottom: clamp(140px, 23vh, 280px);
  width: min(350px, 40vw);
  display: flex;
  flex-direction: column;
}

.hero-msgs .hbubble {
  box-shadow: 0 14px 36px rgba(0,0,0,.4);
}

.hero-msgs .hbubble.them {
  background: rgba(36, 36, 40, .82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.hero-msgs .hbubble.tail.them::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 18'%3E%3Cpath d='M20 0 L20 18 L0 18 C8 18 15 12 16 0 Z' fill='%23242428' fill-opacity='0.92'/%3E%3C/svg%3E");
}

.hero-msgs .msgs-label { color: rgba(237,237,237,.55); }

.hero-msgs > * {
  opacity: 0;
  transform: translateY(12px) scale(.94);
  transition: opacity .55s cubic-bezier(.2,.8,.25,1), transform .55s cubic-bezier(.2,.8,.25,1);
}

.hero-msgs > .is-in { opacity: 1; transform: none; }

/* section 03: conversation groups */
.texts {
  display: flex;
  flex-direction: column;
  gap: 36px;
  max-width: 440px;
  margin-inline: auto;
}

.text-group { display: flex; flex-direction: column; }
.text-group .msgs-label { text-align: center; margin-bottom: 12px; }

/* ---------------- hero strip (boxy cells) ---------------- */

.hero-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.14);
  background: rgba(10,10,10,.52);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.strip-cell {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 19px 22px 20px;
  border-left: 1px solid rgba(255,255,255,.1);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 300;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(237,237,237,.78);
  white-space: nowrap;
  overflow: hidden;
}

.strip-cell:first-child { border-left: 0; }
.strip-k { color: rgba(237,237,237,.32); flex: none; }

/* ---------------- shared section bits ---------------- */

.section { padding: clamp(96px, 14vh, 170px) 0; }

.kicker {
  margin: 0 0 28px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.display {
  margin: 0;
  font-weight: 200;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.025em;
}

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

@media (min-width: 1216px) {
  .rule { margin: 0 auto; max-width: 1120px; }
}

/* ---------------- manifesto ---------------- */

.manifesto-body {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: clamp(24px, 4vw, 56px);
  max-width: 880px;
}

.manifesto-body p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 15.5px;
  font-weight: 300;
  line-height: 1.75;
}

/* ---------------- features ---------------- */

.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

.feature-grid.flip .feature-copy { order: 2; }
.feature-grid.flip .vignette { order: 1; }

.feature-title {
  margin: 0;
  font-weight: 200;
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.feature-blurb {
  margin: 20px 0 0;
  color: var(--ink-dim);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  max-width: 400px;
}

.ticks {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ticks li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  font-weight: 300;
  color: var(--ink-dim);
}

.ticks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .52em;
  width: 10px;
  height: 1px;
  background: var(--ink-faint);
}

/* ---------------- iMessage marquee ---------------- */

.imessage-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

.phone-stage {
  position: relative;
  display: flex;
  justify-content: center;
  padding: clamp(8px, 2vw, 24px) 0;
}

.phone-glow {
  position: absolute;
  inset: -8% 6%;
  background: radial-gradient(ellipse 50% 46% at 50% 46%, rgba(237,237,237,.07), transparent 70%);
  pointer-events: none;
}

/* --- iPhone 17 Pro frame, pure CSS --- */

.iphone {
  position: relative;
  width: min(360px, 82vw);
  aspect-ratio: 360 / 738;
  border-radius: 60px;
  padding: 3px;
  background:
    linear-gradient(145deg, #6b6b70 0%, #3a3a3e 18%, #232326 40%, #1b1b1e 62%, #4c4c51 88%, #707076 100%);
  box-shadow:
    0 0 0 1px rgba(0,0,0,.85),
    0 30px 80px rgba(0,0,0,.6),
    0 6px 18px rgba(0,0,0,.5);
}

.iphone::after {
  /* side button glint */
  content: '';
  position: absolute;
  right: -2px;
  top: 27%;
  width: 2px;
  height: 9%;
  border-radius: 2px;
  background: linear-gradient(180deg, #6f6f74, #3c3c40);
}

.iphone-screen {
  position: relative;
  height: 100%;
  border-radius: 57px;
  border: 8px solid #000;
  background: #000;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter Tight', sans-serif;
}

.ios-statusbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 26px 6px;
  color: #fff;
}

.ios-time {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}

.ios-island {
  position: absolute;
  left: 50%;
  top: 11px;
  transform: translateX(-50%);
  width: 32%;
  height: 24px;
  border-radius: 14px;
  background: #000;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.045);
}

.ios-status-icons { display: flex; align-items: center; gap: 5px; color: #fff; }

.msg-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px 10px;
  border-bottom: .5px solid rgba(255,255,255,.12);
  background: rgba(18,18,20,.92);
}

.msg-contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.msg-avatar {
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  background: #0c0c0d;
  box-shadow: inset 0 0 0 .5px rgba(255,255,255,.14);
}

.msg-avatar img { width: 100%; height: 100%; object-fit: cover; }

.msg-name {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: #e6e6e8;
}

.msg-thread {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px 6px;
  background: #000;
  overflow: hidden;
}

.msg-stamp {
  margin: 0 0 8px;
  text-align: center;
  font-size: 10px;
  font-weight: 500;
  color: #8e8e93;
}

.msg-meta {
  margin: 1px 4px 6px 0;
  text-align: right;
  font-size: 9.5px;
  font-weight: 500;
  color: #8e8e93;
}

.ibubble {
  position: relative;
  max-width: 76%;
  padding: 7px 12px;
  margin-bottom: 2px;
  border-radius: 18px;
  font-size: 13.5px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.ibubble b { font-weight: 600; }

.ibubble.me {
  align-self: flex-end;
  background: linear-gradient(180deg, #1f8fff 0%, #0a7aff 100%);
  color: #fff;
}

.ibubble.them {
  align-self: flex-start;
  background: #26262a;
  color: #e9e9eb;
}

/* authentic iMessage tails on the last bubble of each run */
.ibubble.tail.me::after,
.ibubble.tail.them::after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 16px;
  height: 15px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.ibubble.tail.me::after {
  right: -5px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 18'%3E%3Cpath d='M0 0 L0 18 L20 18 C12 18 5 12 4 0 Z' fill='%230a7aff'/%3E%3C/svg%3E");
}

.ibubble.tail.them::after {
  left: -5px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 18'%3E%3Cpath d='M20 0 L20 18 L0 18 C8 18 15 12 16 0 Z' fill='%2326262a'/%3E%3C/svg%3E");
}

.ibubble + .ibubble.me, .ibubble + .ibubble.them { margin-top: 4px; }

.ibubble.typing {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  padding: 11px 14px;
}

.ibubble.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #8e8e93;
  animation: typing 1.3s ease-in-out infinite;
}

.ibubble.typing span:nth-child(2) { animation-delay: .18s; }
.ibubble.typing span:nth-child(3) { animation-delay: .36s; }

@keyframes typing {
  0%, 60%, 100% { opacity: .35; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-2px); }
}

.msg-inputrow {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 6px;
  background: #000;
}

.msg-plus {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #1c1c1f;
  color: #98989d;
  font-size: 19px;
  font-weight: 300;
  line-height: 1;
}

.msg-input {
  flex: 1;
  padding: 6px 14px;
  border-radius: 16px;
  border: .5px solid rgba(255,255,255,.18);
  color: #5a5a5e;
  font-size: 13.5px;
}

.ios-homebar {
  width: 36%;
  height: 4px;
  border-radius: 3px;
  background: #fff;
  opacity: .9;
  margin: 6px auto 8px;
}

/* ---------------- browser vignette (web chat) ---------------- */

.browser {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.browser-bar .dots { display: flex; gap: 6px; }

.browser-bar .dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 1px solid var(--line-strong);
}

.urlpill {
  flex: 1;
  max-width: 320px;
  margin-inline: auto;
  text-align: center;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 300;
  color: var(--ink-faint);
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 4px 12px;
}

.browser-body { padding: 26px 26px 24px; }

.web-h1 {
  margin: 0;
  font-weight: 200;
  font-size: 30px;
  letter-spacing: -0.02em;
  line-height: 1;
}

.web-sub {
  margin: 6px 0 18px;
  font-size: 13px;
  font-weight: 300;
  color: var(--ink-faint);
}

.chat-card {
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.chat-q { margin: 0; font-size: 14px; line-height: 1.6; }
.chat-q .faint { color: var(--ink-faint); }

.chat-a {
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  color: var(--ink-dim);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
}

.chat-a p { margin: 0; }
.chat-a .num { color: var(--ink); font-weight: 400; }

.agent-bar {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 13px 15px;
}

.agent-glyph {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--radius);
}

.agent-placeholder {
  display: inline-flex;
  align-items: center;
  color: var(--ink-faint);
  font-size: 14px;
  font-weight: 300;
}

.agent-caret {
  width: 1px;
  height: 15px;
  background: var(--ink-dim);
  animation: blink 1.1s steps(1) infinite;
}

/* ---------------- grounded / accounts ---------------- */

.grounded-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: end;
  margin-bottom: 56px;
}

.grounded-head .feature-blurb { justify-self: end; }

.accounts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.acct {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px 18px;
  transition: border-color .25s ease, transform .25s ease;
}

.acct:hover { border-color: var(--line-strong); transform: translateY(-2px); }

.acct-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.acct-label {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 300;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.acct-mask { font-family: var(--mono); font-size: 11px; font-weight: 300; color: var(--ink-faint); }

.acct-balance {
  margin: 14px 0 16px;
  font-weight: 250;
  font-size: clamp(24px, 2.3vw, 30px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.spark { display: block; width: 100%; height: 28px; }
.spark path { fill: none; stroke: var(--ink-faint); stroke-width: 1.25; }
.acct:hover .spark path { stroke: var(--ink-dim); }

/* ---------------- statement ---------------- */

.statement {
  position: relative;
  padding: clamp(140px, 24vh, 260px) 0;
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

#scape {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .6;
}

.statement-inner { position: relative; }

.statement-line {
  margin: 0;
  font-weight: 200;
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.15;
  color: var(--ink-dim);
  letter-spacing: -0.02em;
}

.statement-answer {
  margin: 8px 0 0;
  font-weight: 300;
  font-size: clamp(36px, 4.8vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

/* ---------------- waitlist ---------------- */

.waitlist-form {
  margin-top: 44px;
  display: flex;
  max-width: 520px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .25s ease;
}

.waitlist-form:focus-within { border-color: var(--ink-faint); }

.waitlist-form[hidden] { display: none; }

.waitlist-form input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  padding: 16px 18px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
}

.waitlist-form input::placeholder { color: var(--ink-faint); }

.waitlist-form button {
  flex: none;
  margin: 6px;
  padding: 0 20px;
  background: var(--ink);
  color: var(--canvas);
  border: 0;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity .2s ease;
}

.waitlist-form button:hover { opacity: .85; }

.waitlist-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity .2s ease;
}
.waitlist-cta:hover { opacity: .85; }

.waitlist-form.is-error { border-color: #6e3b3b; }

.waitlist-done {
  margin-top: 44px;
  font-weight: 250;
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: -0.02em;
}

.fine {
  margin-top: 20px;
  font-size: 13px;
  font-weight: 300;
  color: var(--ink-faint);
}

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

.footer {
  border-top: 1px solid var(--line);
  padding: 72px 0 0;
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  padding-bottom: 72px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1;
}

.footer-logo img { display: block; mix-blend-mode: screen; }

.footer-tag {
  margin: 14px 0 0;
  color: var(--ink-dim);
  font-size: 14px;
  font-weight: 300;
}

.footer-head {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 300;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.footer-col { display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
  font-size: 14px;
  font-weight: 300;
  color: var(--ink-dim);
  transition: color .2s ease;
}

.footer-col a:hover { color: var(--ink); }

.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-block: 22px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 300;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------------- reveal on scroll ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s cubic-bezier(.2,.6,.2,1) var(--d, 0s),
              transform .9s cubic-bezier(.2,.6,.2,1) var(--d, 0s);
}

.reveal.is-in { opacity: 1; transform: none; }

/* ---------------- responsive ---------------- */

@media (max-width: 880px) {
  .feature-grid, .imessage-grid { grid-template-columns: 1fr; gap: 40px; }
  .feature-grid.flip .feature-copy { order: 1; }
  .feature-grid.flip .vignette { order: 2; }
  .grounded-head { grid-template-columns: 1fr; align-items: start; }
  .grounded-head .feature-blurb { justify-self: start; }
  .accounts { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-links { gap: 18px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero-msgs { display: none; }
  .hero-inner { bottom: clamp(150px, 22vh, 220px); }
  .hero-strip { grid-template-columns: 1fr 1fr; }
  .strip-cell { padding: 13px 16px; font-size: 9.5px; letter-spacing: .12em; }
  .strip-cell:nth-child(3) { border-left: 0; }
  .strip-cell:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.1); }
}

/* ---------------- reduced motion ---------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .hero-sub, .hero-msgs > * { transition: none; opacity: 1; transform: none; }
  .caret, .agent-caret { animation: none; }
  .ibubble.typing span { animation: none; opacity: .6; }
}

/* screenshot/QA mode: final state, no motion */
.static-qa { scroll-behavior: auto; }
.static-qa .reveal,
.static-qa .hero-sub,
.static-qa .hero-msgs > * { transition: none !important; opacity: 1 !important; transform: none !important; }
.static-qa .caret, .static-qa .agent-caret { animation: none; }
