:root {
  --ink: #0e2142;
  --muted: #5d6c84;
  --paper: #f3f6fa;
  --line: #e2e8f1;
  --blue: #0a84ff;
  --soft: #eaf3ff;
  --gray-bubble: #e9e9eb;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "Segoe UI", Inter, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- nav ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.5px;
}
.brand svg {
  width: 30px;
  height: 30px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}
.nav-links a:hover {
  color: var(--ink);
}
.pill {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  padding: 11px 22px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px #0a84ff44;
}
.pill.big {
  font-size: 17px;
  padding: 16px 34px;
}
.pill.ghost {
  background: #fff;
  color: var(--blue);
  border: 1px solid var(--line);
}
.pill.ghost:hover {
  box-shadow: 0 8px 24px #0e214218;
}

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 40px;
  padding: 64px 0 80px;
}
.kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue);
  margin-bottom: 18px;
}
h1 {
  font-size: clamp(44px, 6.2vw, 78px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin: 0 0 22px;
}
.hero p.sub {
  font-size: 19px;
  color: var(--muted);
  max-width: 480px;
  margin: 0 0 32px;
}
.hero p.sub b {
  color: var(--ink);
}
.cta-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.cta-row .quiet {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
}
.cta-row .quiet:hover {
  color: var(--ink);
}

/* ---------- phone ---------- */
.phone {
  width: 330px;
  margin: 0 auto;
  background: #0b0d12;
  border-radius: 48px;
  padding: 12px;
  box-shadow: 0 30px 80px #0e214230;
}
.screen {
  background: #fff;
  border-radius: 38px;
  overflow: hidden;
  padding-bottom: 26px;
  position: relative;
}
.pt-notif {
  position: absolute;
  top: 12px;
  left: 10px;
  right: 10px;
  background: #ffffffF2;
  backdrop-filter: blur(8px);
  border-radius: 18px;
  padding: 11px 14px;
  box-shadow: 0 10px 34px #0e214233;
  transform: translateY(-140%);
  transition: transform 0.45s cubic-bezier(0.3, 1.2, 0.4, 1);
}
.pt-notif.show {
  transform: none;
}
.pt-notif-top {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #6b7a92;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.pt-mini {
  display: inline-grid;
  place-items: center;
  width: 17px;
  height: 17px;
  border-radius: 5px;
  color: #fff;
  font-size: 8.5px;
  font-weight: 800;
  background: #0a84ff;
}
.pt-when {
  margin-left: auto;
  text-transform: none;
  font-weight: 500;
}
.pt-notif-body {
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  letter-spacing: -0.2px;
}
.statusbar {
  display: flex;
  justify-content: center;
  padding: 12px 0 4px;
}
.notch {
  width: 96px;
  height: 26px;
  background: #0b0d12;
  border-radius: 999px;
}
.msg-head {
  text-align: center;
  padding: 6px 0 12px;
  border-bottom: 1px solid #f0f2f6;
}
.msg-head .avatar {
  width: 44px;
  height: 44px;
  margin: 0 auto 5px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 19px;
  font-weight: 700;
}
.avatar.c1 { background: #0a84ff; }
.avatar.c2 { background: #af52de; }
.avatar.c3 { background: #ff2d55; }
.avatar.c4 { background: #5856d6; }
.avatar.c5 { background: #ff9500; }
.ph-name {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.2px;
}
.msg-head small {
  font-size: 10px;
  color: var(--muted);
}
.msgs {
  padding: 18px 14px 6px;
  display: grid;
  gap: 9px;
  align-content: start;
  height: 322px;
  overflow: hidden;
  transition: opacity 0.4s ease;
}
.msgs.fade-out {
  opacity: 0;
}
.msgs .b,
.msgs .typing {
  animation: pop 0.3s ease;
}
@keyframes pop {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.96);
  }
}
.sent-label {
  font-size: 10px;
  color: #8a97ab;
  justify-self: end;
  margin-top: -3px;
}
.b {
  font-size: 14.5px;
  line-height: 1.45;
  padding: 10px 14px;
  max-width: 82%;
  width: fit-content;
  white-space: pre-line;
}
.b.in {
  background: var(--gray-bubble);
  color: #111318;
  border-radius: 18px 18px 18px 5px;
}
.b.out {
  background: var(--blue);
  color: #fff;
  border-radius: 18px 18px 5px 18px;
  justify-self: end;
}
.typing {
  display: inline-flex;
  gap: 4px;
  padding: 13px 15px;
  background: var(--gray-bubble);
  border-radius: 18px 18px 18px 5px;
  width: fit-content;
}
.typing i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9aa2ad;
  animation: blink 1.3s infinite;
}
.typing i:nth-child(2) {
  animation-delay: 0.18s;
}
.typing i:nth-child(3) {
  animation-delay: 0.36s;
}
@keyframes blink {
  0%,
  60%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-2px);
  }
}

/* ---------- sections ---------- */
section {
  padding: 90px 0;
}
.center {
  text-align: center;
}
h2 {
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.045em;
  margin: 0 0 16px;
}
h2 em {
  font-style: normal;
  color: var(--blue);
}
.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
}
.lead b {
  color: var(--ink);
}

/* locked vs unlocked comparison */
.vs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  max-width: 880px;
  margin: 0 auto;
  text-align: left;
}
.vs-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 26px 26px 24px;
  box-shadow: 0 16px 50px #0e21420e;
}
.vs-locked {
  background: #f2f5f9;
}
.vs-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  color: var(--muted);
  margin: 0 0 18px;
}
.vs-open .vs-label {
  color: var(--blue);
}
.vs-chat {
  position: relative;
  min-height: 118px;
}
.vs-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}
.vs-av {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.vs .b {
  font-size: 15px;
  line-height: 1.5;
  padding: 11px 15px;
  background: var(--gray-bubble);
  color: #111318;
  border-radius: 18px 18px 18px 5px;
  width: fit-content;
}
.vs-locked .b {
  filter: blur(6px);
  user-select: none;
}
.vs-lock {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.vs-lock-chip {
  width: 46px;
  height: 46px;
  background: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 26px #0e214226;
}
.vs-lock-chip svg {
  width: 24px;
  height: 24px;
}
.vs-banner {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f6faff;
  border: 1px solid #d5e6fb;
  border-radius: 14px;
  padding: 10px 13px;
  font-size: 12.5px;
  color: var(--ink);
  line-height: 1.4;
}
.vs-banner b {
  font-weight: 800;
}
.vs-caption {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--muted);
  margin: 18px 0 0;
}
.vs-caption.open {
  color: var(--blue);
}
.vs-points {
  display: flex;
  justify-content: center;
  gap: 34px;
  flex-wrap: wrap;
  margin-top: 38px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.2px;
}
.vs-points span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.vs-points i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
}

/* lived-it pain scenarios */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  text-align: left;
  max-width: 1080px;
  margin: 0 auto;
}
.pain-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--blue);
  margin: 0 4px 12px;
}
.pain-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
  margin-bottom: 18px;
}
.pain-meta {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 10px;
}
.pain-card .b {
  display: block;
  font-size: 14px;
  line-height: 1.45;
  padding: 10px 14px;
  background: var(--gray-bubble);
  color: #111318;
  border-radius: 16px 16px 16px 4px;
  width: fit-content;
  max-width: 100%;
}
.pain-x {
  font-size: 12.5px;
  font-weight: 700;
  color: #b84040;
  line-height: 1.5;
  margin: 14px 0 8px;
}
.pain-x::before {
  content: "✗  ";
}
.pain-y {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
  margin: 0;
  display: flex;
  align-items: flex-start;
  gap: 7px;
}
.pain-y .pt-mini {
  flex-shrink: 0;
  margin-top: 2px;
}

/* steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 50px;
  text-align: left;
}
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 30px 28px;
}
.step-k {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--blue);
  margin: 0 0 16px;
}
.step-art {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.art-app {
  width: 40px;
  height: 40px;
  background: var(--blue);
  border-radius: 11px;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 18px #0a84ff44;
}
.art-app svg {
  width: 24px;
  height: 24px;
}
.art-bar {
  width: 96px;
  height: 7px;
  background: #e3eaf4;
  border-radius: 999px;
  overflow: hidden;
}
.art-bar i {
  display: block;
  height: 100%;
  width: 72%;
  background: var(--blue);
  border-radius: 999px;
  animation: installing 2.4s ease-in-out infinite alternate;
}
@keyframes installing {
  from {
    width: 22%;
  }
  to {
    width: 88%;
  }
}
.step-art-perms {
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 9px;
}
.perm-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  background: #f4f8fd;
  border: 1px solid #e0eaf7;
  border-radius: 11px;
  padding: 7px 11px;
}
.tgl {
  width: 34px;
  height: 20px;
  background: #30d158;
  border-radius: 999px;
  position: relative;
  flex-shrink: 0;
}
.tgl i {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px #0003;
}
.step-art .chip-ic {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  font-size: 12px;
}
.art-ok {
  font-size: 11px;
  font-weight: 800;
  color: #1da64a;
  background: #e8f8ee;
  border-radius: 999px;
  padding: 5px 10px;
  margin-left: 2px;
  white-space: nowrap;
}
.step h3 {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.step p {
  font-size: 14.5px;
  color: var(--muted);
  margin: 0;
}

/* partner cards */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1080px;
  margin: 10px auto 0;
  text-align: left;
}
.partner-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px 24px;
}
.partner-logo {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 18px;
  box-shadow: 0 8px 22px #0e214222;
}
.partner-pill {
  display: inline-block;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #0a6fdb;
  background: var(--soft);
  border-radius: 999px;
  padding: 5px 10px;
  margin-bottom: 10px;
}
.partner-card h3 {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.partner-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

/* privacy */
.rules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 50px;
  text-align: left;
}
.rule {
  background: var(--pine, #0e2142);
  background: #0e2142;
  color: #fff;
  border-radius: 26px;
  padding: 30px 28px;
}
.rule .dot-row {
  display: flex;
  gap: 5px;
  margin-bottom: 18px;
}
.rule .dot-row i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
}
.rule .dot-row i:nth-child(2) {
  opacity: 0.6;
}
.rule .dot-row i:nth-child(3) {
  opacity: 0.3;
}
.rule h3 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.rule p {
  font-size: 14px;
  color: #b4c5e2;
  margin: 0;
}

/* works with */
.chip-ic {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}
.ic-grok { background: #000; }
.ic-hark { background: #0e2142; }
.ic-muse { background: #ff2d55; }
.ic-dots { background: #10a37f; letter-spacing: 1px; }
.dev-note {
  margin-top: 34px;
  font-size: 14px;
  color: var(--muted);
}
.dev-note a {
  color: var(--blue);
  font-weight: 700;
}

/* final */
.final {
  padding: 110px 0 120px;
}
.final h2 {
  font-size: clamp(40px, 6vw, 72px);
}
.final .lead {
  margin-bottom: 36px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 34px 0 44px;
}
.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}
.foot .brand {
  font-size: 17px;
}
.foot .brand svg {
  width: 24px;
  height: 24px;
}
.foot-links {
  display: flex;
  gap: 22px;
  font-weight: 600;
}
.foot-links a:hover {
  color: var(--ink);
}

/* reveal animation */
.fade {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .fade {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .typing i,
  .art-bar i {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 36px 0 60px;
    gap: 52px;
    text-align: center;
  }
  .hero p.sub {
    margin-left: auto;
    margin-right: auto;
  }
  .cta-row {
    justify-content: center;
  }
  .steps,
  .rules,
  .vs,
  .pain-grid,
  .partner-grid {
    grid-template-columns: 1fr;
  }
  section {
    padding: 64px 0;
  }
  .nav-links .hide-m {
    display: none;
  }
  .phone {
    width: 300px;
  }
}