@font-face {
  font-family: "Glimdo Display";
  src: url("/assets/home/LXGWNeoXiHei.ttf") format("truetype");
  font-display: swap;
  font-style: normal;
  font-weight: 400 800;
}

:root {
  --ink: #142019;
  --ink-soft: #526058;
  --forest: #0f392c;
  --forest-deep: #082a21;
  --mint: #b7efc7;
  --mint-bright: #c9f5d4;
  --mint-pale: #eef8ef;
  --paper: #f5f2e8;
  --paper-strong: #fffdf6;
  --surface: #ffffff;
  --line: rgba(20, 32, 25, 0.14);
  --line-light: rgba(255, 255, 255, 0.16);
  --shadow: 0 30px 80px rgba(15, 57, 44, 0.18);
  --shell: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper-strong);
  font-family: "Glimdo Display", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid #45b86f;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  color: #fff;
  background: var(--forest);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--ink);
  background: rgba(255, 253, 246, 0.94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.topbar.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 12px 36px rgba(15, 57, 44, 0.06);
}

.topbar-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 34px);
}

.site-nav a {
  position: relative;
  text-decoration: none;
  font-size: 15px;
  font-weight: 650;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--forest);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:not(.nav-cta):hover::after,
.site-nav a:not(.nav-cta):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding: 10px 16px;
  color: #fff;
  background: var(--forest);
  border-radius: 999px;
}

.menu-button {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 8px;
  color: var(--ink);
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.menu-lines {
  width: 25px;
  display: grid;
  gap: 6px;
}

.menu-lines i {
  height: 2px;
  display: block;
  background: currentColor;
  transition: transform 180ms ease;
}

.hero {
  padding: 26px 0 0;
  background: var(--paper-strong);
}

.hero-grid {
  height: clamp(720px, calc(100vh - 104px), 860px);
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(520px, 1.14fr);
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 28px 28px 0 0;
}

.hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
  min-height: 0;
  padding: clamp(52px, 5vw, 70px) clamp(42px, 5vw, 68px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
  background: var(--forest);
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: 0;
  width: 1px;
  height: 74%;
  background: var(--line-light);
}

.eyebrow {
  margin: 0 0 20px;
  color: #2f754c;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-copy .eyebrow {
  color: var(--mint);
}

.hero h1,
.section-heading h2,
.mac-copy h2,
.final-cta h2 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.08;
  text-wrap: balance;
}

.hero h1 {
  max-width: 640px;
  font-size: clamp(48px, 4.4vw, 64px);
}

.hero h1 em {
  color: var(--mint-bright);
  font-style: normal;
}

.hero-lead {
  max-width: 590px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.85;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--forest-deep);
  background: var(--mint);
}

.button-primary:hover {
  background: var(--mint-bright);
}

.text-link {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.54);
  font-size: 15px;
  font-weight: 700;
}

.fact-row {
  margin-top: 36px;
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  border-top: 1px solid var(--line-light);
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
}

.fact-row span:not(:last-child)::after {
  content: "·";
  margin-left: 20px;
  color: var(--mint);
}

.device-stage {
  position: relative;
  height: clamp(720px, calc(100vh - 104px), 860px);
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #e8e6da;
  isolation: isolate;
}

.device-stage::before {
  content: "SYSTEM LOCK SCREEN";
  position: absolute;
  top: 54px;
  right: -35px;
  z-index: -1;
  color: rgba(15, 57, 44, 0.055);
  font-size: 62px;
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap;
  transform: rotate(90deg);
  transform-origin: top right;
}

.stage-note {
  position: absolute;
  top: 34px;
  left: 34px;
  z-index: 4;
  display: grid;
  gap: 2px;
  color: var(--forest);
  font-size: 14px;
}

.stage-note strong {
  font-size: 16px;
}

.stage-note span {
  color: var(--ink-soft);
  font-size: 12px;
}

.phone-shot {
  position: absolute;
  top: 42px;
  left: 15%;
  height: calc(100% - 92px);
  aspect-ratio: 756 / 1632;
  margin: 0;
  overflow: hidden;
  background: #111;
  border: 10px solid #161c18;
  border-radius: 46px;
  box-shadow: var(--shadow);
}

.phone-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mac-shot {
  position: absolute;
  right: clamp(24px, 4vw, 60px);
  bottom: 60px;
  width: min(44%, 350px);
  margin: 0;
  overflow: hidden;
  background: rgba(255, 253, 246, 0.97);
  border: 1px solid rgba(15, 57, 44, 0.2);
  border-radius: 18px;
  box-shadow: 0 22px 50px rgba(15, 57, 44, 0.2);
}

.mac-shot figcaption {
  padding: 13px 16px 11px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--forest);
  font-size: 14px;
  font-weight: 800;
}

.mac-shot figcaption small {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 600;
}

.mac-shot img {
  width: 100%;
}

.proof-strip {
  color: #fff;
  background: var(--forest-deep);
}

.proof-strip-inner {
  min-height: 96px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 40px;
}

.proof-strip p {
  margin: 0;
  color: var(--mint);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.proof-strip ul {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  list-style: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.proof-strip li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.proof-strip li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

.section {
  padding: clamp(92px, 11vw, 150px) 0;
}

.section-heading {
  max-width: 760px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.mac-copy h2,
.final-cta h2 {
  font-size: clamp(40px, 5vw, 68px);
}

.section-heading > p:last-child,
.mac-copy > p,
.final-cta p {
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.85;
}

.lockscreen-proof {
  margin-top: 72px;
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
  align-items: center;
  gap: clamp(64px, 9vw, 130px);
}

.proof-phone {
  width: min(100%, 430px);
  justify-self: center;
  overflow: hidden;
  border: 9px solid #171c18;
  border-radius: 50px;
  box-shadow: var(--shadow);
}

.index-mark {
  display: block;
  margin-bottom: 30px;
  color: #6e7a73;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.proof-copy h3 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.proof-copy > p {
  max-width: 680px;
  margin: 26px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.truth-list {
  margin: 42px 0 0;
  border-top: 1px solid var(--line);
}

.truth-list div {
  padding: 18px 0;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.truth-list dt {
  color: #6c776f;
  font-size: 13px;
  font-weight: 800;
}

.truth-list dd {
  margin: 0;
  font-size: 15px;
  font-weight: 650;
}

.workflow-section {
  background: var(--paper);
}

.workflow-grid {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.workflow-card {
  min-width: 0;
  display: grid;
  grid-template-rows: auto auto 1fr;
  overflow: hidden;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.workflow-card-dark {
  color: #fff;
  background: var(--forest);
}

.workflow-number {
  width: 38px;
  height: 38px;
  margin: 24px 24px 0;
  display: grid;
  place-items: center;
  color: var(--forest);
  background: var(--mint);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
}

.workflow-copy {
  min-height: 190px;
  padding: 22px 24px 28px;
}

.workflow-copy h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.3;
}

.workflow-copy p {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.workflow-card-dark .workflow-copy p {
  color: rgba(255, 255, 255, 0.7);
}

.workflow-card figure {
  height: 520px;
  margin: 0 20px 20px;
  overflow: hidden;
  background: #f1f3ed;
  border-radius: 16px;
}

.workflow-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.workflow-card-dark figure {
  background: #15231d;
}

.mac-section {
  color: #fff;
  background: var(--forest-deep);
}

.mac-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(480px, 1.15fr);
  align-items: center;
  gap: clamp(56px, 8vw, 120px);
}

.eyebrow-light {
  color: var(--mint);
}

.mac-copy > p {
  color: rgba(255, 255, 255, 0.72);
}

.development-note {
  margin-top: 42px;
  padding: 22px 0 0;
  border-top: 1px solid var(--line-light);
}

.development-note strong {
  color: var(--mint);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.development-note p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.mac-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #173f32;
  border: 1px solid var(--line-light);
  border-radius: 22px;
}

.desktop-rail {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 42px;
  padding-left: 16px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid var(--line-light);
}

.desktop-rail span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.44);
}

.mac-visual img {
  width: min(72%, 430px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.34);
}

.mac-visual > p {
  position: absolute;
  right: 22px;
  bottom: 16px;
  margin: 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 11px;
}

.privacy-section {
  background: var(--paper-strong);
}

.privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(520px, 1.16fr);
  align-items: start;
  gap: clamp(64px, 9vw, 130px);
}

.privacy-facts {
  border-top: 1px solid var(--line);
}

.privacy-facts article {
  padding: 22px 0;
  display: grid;
  grid-template-columns: 48px 150px 1fr;
  align-items: baseline;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.privacy-facts span {
  color: #7b857f;
  font-size: 12px;
  font-weight: 800;
}

.privacy-facts h3,
.privacy-facts p {
  margin: 0;
}

.privacy-facts h3 {
  font-size: 17px;
}

.privacy-facts p {
  color: var(--ink-soft);
  font-size: 14px;
}

.final-cta {
  padding: 80px 0;
  color: #fff;
  background: var(--forest);
}

.final-cta-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
}

.final-cta h2 {
  max-width: 760px;
}

.final-cta p {
  margin: 0 0 18px;
}

.button-light {
  flex: 0 0 auto;
  color: var(--forest-deep);
  background: var(--mint);
}

.footer {
  padding: 38px 0;
  background: #061d17;
  color: rgba(255, 255, 255, 0.66);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 42px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.footer-brand div {
  display: grid;
}

.footer-brand strong {
  color: #fff;
}

.footer-brand span {
  font-size: 12px;
}

.footer nav {
  display: flex;
  gap: 22px;
}

.footer a {
  text-decoration: none;
}

.footer a:hover {
  color: #fff;
}

.footer p {
  margin: 0;
  text-align: right;
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr);
  }

  .hero-copy {
    padding-inline: 44px;
  }

  .phone-shot {
    left: 10%;
  }

  .mac-shot {
    right: 20px;
    width: 46%;
  }

  .workflow-card figure {
    height: 440px;
  }

  .privacy-grid {
    grid-template-columns: 1fr 1.15fr;
  }
}

@media (max-width: 820px) {
  .shell {
    width: min(calc(100% - 32px), var(--shell));
  }

  .topbar-inner {
    min-height: 68px;
  }

  .menu-button {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: 68px 0 auto;
    max-height: calc(100vh - 68px);
    padding: 28px 24px 36px;
    display: grid;
    align-items: stretch;
    gap: 4px;
    overflow: auto;
    color: #fff;
    background: var(--forest-deep);
    transform: translateY(-120%);
    transition: transform 220ms ease;
  }

  .nav-open .site-nav {
    transform: translateY(0);
  }

  .site-nav a {
    padding: 16px 4px;
    border-bottom: 1px solid var(--line-light);
    font-size: 18px;
  }

  .site-nav .nav-cta {
    margin-top: 18px;
    padding: 14px 20px;
    text-align: center;
    border: 0;
    color: var(--forest-deep);
    background: var(--mint);
  }

  .nav-open .menu-lines i:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .nav-open .menu-lines i:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .hero {
    padding-top: 12px;
  }

  .hero-grid {
    height: auto;
    min-height: 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    border-radius: 22px 22px 0 0;
  }

  .hero-copy {
    min-height: 650px;
  }

  .device-stage {
    height: 760px;
    min-height: 760px;
  }

  .phone-shot {
    top: 48px;
    left: 12%;
    height: 650px;
    width: auto;
    margin: 0;
  }

  .mac-shot {
    right: 6%;
    bottom: 55px;
    width: min(52vw, 300px);
  }

  .proof-strip-inner {
    padding-block: 24px;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .proof-strip ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: start;
  }

  .lockscreen-proof,
  .mac-grid,
  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .proof-phone {
    width: min(78vw, 410px);
  }

  .workflow-grid {
    grid-template-columns: 1fr;
  }

  .workflow-card {
    grid-template-columns: 84px minmax(0, 0.85fr) minmax(280px, 1.15fr);
    grid-template-rows: auto;
    align-items: center;
  }

  .workflow-number {
    margin: 0 0 0 24px;
  }

  .workflow-copy {
    min-height: 0;
    padding: 36px 20px;
  }

  .workflow-card figure {
    height: 480px;
    margin: 18px;
  }

  .privacy-facts article {
    grid-template-columns: 42px 140px 1fr;
  }

  .final-cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer p {
    text-align: left;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .shell {
    width: min(calc(100% - 24px), var(--shell));
  }

  .brand {
    font-size: 19px;
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .hero-copy {
    min-height: auto;
    padding: 58px 26px 54px;
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 58px);
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .text-link {
    align-self: flex-start;
  }

  .fact-row span:not(:last-child)::after {
    display: none;
  }

  .device-stage {
    height: 680px;
    min-height: 680px;
    padding-top: 70px;
  }

  .stage-note {
    top: 22px;
    left: 22px;
  }

  .phone-shot {
    top: 66px;
    left: 50%;
    height: 555px;
    width: auto;
    margin: 0;
    transform: translateX(-50%);
  }

  .mac-shot {
    right: 16px;
    bottom: 24px;
    width: min(58vw, 250px);
  }

  .mac-shot figcaption {
    display: grid;
    padding: 10px 12px;
  }

  .proof-strip ul {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .section {
    padding: 86px 0;
  }

  .section-heading h2,
  .mac-copy h2,
  .final-cta h2 {
    font-size: clamp(38px, 11vw, 52px);
  }

  .lockscreen-proof {
    margin-top: 52px;
    gap: 56px;
  }

  .truth-list div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .workflow-grid {
    margin-top: 48px;
  }

  .workflow-card {
    grid-template-columns: 66px 1fr;
    grid-template-rows: auto auto;
  }

  .workflow-number {
    margin-left: 18px;
  }

  .workflow-copy {
    padding: 28px 18px 28px 0;
  }

  .workflow-card figure {
    grid-column: 1 / -1;
    height: 530px;
    margin: 0 14px 14px;
  }

  .mac-visual {
    min-height: 390px;
  }

  .mac-visual img {
    width: 84%;
  }

  .privacy-facts article {
    grid-template-columns: 34px 1fr;
    gap: 12px;
  }

  .privacy-facts p {
    grid-column: 2;
  }

  .footer nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Full-screen product story: every primary region fits one viewport. */
:root {
  --topbar-height: 78px;
  --screen-height: calc(100vh - var(--topbar-height));
}

@supports (height: 100svh) {
  :root {
    --screen-height: calc(100svh - var(--topbar-height));
  }
}

html {
  scroll-padding-top: var(--topbar-height);
  scroll-snap-type: y mandatory;
}

body {
  overflow-x: hidden;
}

.topbar-inner {
  height: var(--topbar-height);
  min-height: 0;
}

.hero,
.section,
.closing-screen {
  width: 100%;
  height: var(--screen-height);
  min-height: 0;
  max-height: var(--screen-height);
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.hero {
  padding: 18px 0 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) 76px;
}

.hero-grid {
  height: auto;
  min-height: 0;
  border-radius: 28px 28px 0 0;
}

.hero-copy {
  height: 100%;
  min-height: 0;
  padding-block: clamp(34px, 5svh, 64px);
}

.hero h1 {
  font-size: clamp(44px, 4.1vw, 62px);
}

.hero-lead {
  margin-top: clamp(16px, 2.4svh, 24px);
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.72;
}

.hero-actions {
  margin-top: clamp(18px, 2.6svh, 28px);
}

.fact-row {
  margin-top: clamp(20px, 3.2svh, 34px);
  padding-top: 14px;
}

.device-stage {
  height: auto;
  min-height: 0;
}

.phone-shot {
  top: 24px;
  left: 13%;
  height: calc(100% - 48px);
}

.phone-shot img {
  object-fit: contain;
}

.mac-shot {
  right: clamp(18px, 3vw, 44px);
  bottom: 28px;
  width: min(42%, 320px);
}

.stage-note {
  top: 24px;
  left: 24px;
}

.proof-strip {
  height: 76px;
  min-height: 0;
}

.proof-strip-inner {
  height: 100%;
  min-height: 0;
}

.section {
  padding: clamp(26px, 4.5svh, 58px) 0;
  display: grid;
  align-items: center;
}

.section > .shell {
  height: 100%;
  min-height: 0;
}

.section-heading h2,
.mac-copy h2,
.final-cta h2 {
  font-size: clamp(36px, 4.3vw, 58px);
}

.section-heading > p:last-child,
.mac-copy > p,
.final-cta p {
  margin-top: clamp(14px, 2.2svh, 24px);
  font-size: clamp(14px, 1.25vw, 17px);
  line-height: 1.72;
}

.intro-section > .shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(18px, 3svh, 30px);
}

.lockscreen-proof {
  height: 100%;
  min-height: 0;
  margin-top: 0;
  gap: clamp(40px, 7vw, 92px);
}

.proof-phone {
  width: auto;
  height: 100%;
  max-width: min(100%, 390px);
  max-height: 100%;
  aspect-ratio: 756 / 1632;
  border-width: 7px;
  border-radius: 40px;
}

.proof-phone img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.index-mark {
  margin-bottom: clamp(12px, 2svh, 22px);
}

.proof-copy h3 {
  font-size: clamp(28px, 3.3vw, 44px);
}

.proof-copy > p {
  margin-top: clamp(12px, 2svh, 22px);
  font-size: clamp(14px, 1.25vw, 17px);
}

.truth-list {
  margin-top: clamp(16px, 2.8svh, 30px);
}

.truth-list div {
  padding: clamp(10px, 1.6svh, 15px) 0;
}

.workflow-section > .shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(18px, 3svh, 30px);
}

.workflow-grid {
  height: 100%;
  min-height: 0;
  margin-top: 0;
}

.workflow-card {
  height: 100%;
  min-height: 0;
  grid-template-rows: auto auto minmax(0, 1fr);
}

.workflow-number {
  width: 34px;
  height: 34px;
  margin: 18px 20px 0;
}

.workflow-copy {
  min-height: 0;
  padding: 16px 20px 18px;
}

.workflow-copy h3 {
  font-size: clamp(19px, 1.8vw, 23px);
}

.workflow-copy p {
  margin-top: 9px;
  font-size: clamp(12px, 1.1vw, 14px);
  line-height: 1.55;
}

.workflow-card figure {
  height: auto;
  min-height: 0;
  margin: 0 16px 16px;
}

.workflow-card figure img {
  object-fit: contain;
}

.mac-grid,
.privacy-grid {
  height: 100%;
  min-height: 0;
  align-items: center;
}

.mac-visual {
  width: 100%;
  height: min(58svh, 510px);
  min-height: 0;
  max-height: 100%;
}

.development-note {
  margin-top: clamp(18px, 3svh, 32px);
  padding-top: 16px;
}

.privacy-facts article {
  padding: clamp(14px, 2svh, 20px) 0;
}

.closing-screen {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  color: #fff;
  background: var(--forest);
}

.final-cta {
  min-height: 0;
  padding: 0;
  display: grid;
  align-items: center;
}

.final-cta-inner {
  width: min(calc(100% - 48px), var(--shell));
  height: 100%;
  align-items: center;
}

.footer {
  padding: 24px 0;
}

@media (max-height: 760px) and (min-width: 821px) {
  :root {
    --topbar-height: 64px;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .hero {
    padding-top: 10px;
    grid-template-rows: minmax(0, 1fr) 62px;
  }

  .hero-copy {
    padding-block: 24px;
  }

  .hero h1 {
    font-size: clamp(38px, 4.5vw, 52px);
  }

  .hero-lead {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.55;
  }

  .hero-actions {
    margin-top: 14px;
  }

  .button {
    min-height: 44px;
    padding-block: 9px;
  }

  .fact-row {
    margin-top: 16px;
    padding-top: 10px;
  }

  .section {
    padding-block: 22px;
  }

  .section-heading h2,
  .mac-copy h2,
  .final-cta h2 {
    font-size: clamp(32px, 4vw, 46px);
  }

  .workflow-section > .shell,
  .intro-section > .shell {
    gap: 14px;
  }

  .workflow-copy p,
  .section-heading > p:last-child,
  .mac-copy > p {
    font-size: 13px;
  }
}

@media (max-width: 820px) {
  :root {
    --topbar-height: 68px;
  }

  html {
    scroll-snap-type: y proximity;
  }

  .hero {
    padding-top: 8px;
    grid-template-rows: minmax(0, 1fr) 52px;
  }

  .hero-grid {
    height: 100%;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 46%) minmax(0, 54%);
    border-radius: 20px 20px 0 0;
  }

  .hero-copy {
    min-height: 0;
    padding: clamp(18px, 3.4svh, 28px) 24px;
  }

  .hero-copy .eyebrow {
    margin-bottom: 10px;
    font-size: 11px;
  }

  .hero h1 {
    font-size: clamp(31px, 8.8vw, 42px);
    line-height: 1.02;
  }

  .hero-lead {
    margin-top: 12px;
    display: -webkit-box;
    overflow: hidden;
    font-size: 13px;
    line-height: 1.52;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .hero-actions {
    margin-top: 13px;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 14px;
  }

  .hero-actions .button {
    width: auto;
    min-height: 40px;
    padding: 8px 15px;
    font-size: 13px;
  }

  .hero-actions .text-link {
    align-self: center;
    white-space: nowrap;
    font-size: 12px;
  }

  .fact-row {
    margin-top: 13px;
    padding-top: 9px;
    gap: 5px 14px;
    font-size: 10px;
  }

  .device-stage {
    height: auto;
    min-height: 0;
    padding: 0;
  }

  .stage-note {
    top: 12px;
    left: 14px;
  }

  .stage-note strong {
    font-size: 12px;
  }

  .stage-note span {
    display: none;
  }

  .phone-shot {
    top: 14px;
    left: 50%;
    height: calc(100% - 26px);
    width: auto;
    margin: 0;
    border-width: 6px;
    border-radius: 29px;
    transform: translateX(-50%);
  }

  .mac-shot {
    right: 9px;
    bottom: 9px;
    width: min(43vw, 180px);
    border-radius: 10px;
  }

  .mac-shot figcaption {
    padding: 7px 9px;
    font-size: 10px;
  }

  .mac-shot figcaption small {
    display: none;
  }

  .proof-strip,
  .proof-strip-inner {
    height: 52px;
  }

  .proof-strip-inner {
    padding-block: 6px;
    grid-template-columns: 1fr;
  }

  .proof-strip p {
    display: none;
  }

  .proof-strip ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 12px;
    font-size: 10px;
    line-height: 1.25;
  }

  .proof-strip li {
    gap: 7px;
  }

  .proof-strip li::before {
    width: 4px;
    height: 4px;
  }

  .section {
    padding: clamp(18px, 3svh, 28px) 0;
  }

  .section-heading h2,
  .mac-copy h2,
  .final-cta h2 {
    font-size: clamp(29px, 8vw, 38px);
  }

  .section-heading > p:last-child,
  .mac-copy > p {
    margin-top: 10px;
    display: -webkit-box;
    overflow: hidden;
    font-size: 12px;
    line-height: 1.5;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .intro-section > .shell {
    gap: 14px;
  }

  .lockscreen-proof {
    grid-template-columns: minmax(110px, 0.78fr) minmax(0, 1.22fr);
    gap: 16px;
  }

  .proof-phone {
    width: 100%;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    align-self: center;
    border-width: 5px;
    border-radius: 26px;
  }

  .index-mark {
    margin-bottom: 8px;
    font-size: 10px;
  }

  .proof-copy h3 {
    font-size: clamp(20px, 5.5vw, 26px);
    line-height: 1.2;
  }

  .proof-copy > p {
    margin-top: 9px;
    display: -webkit-box;
    overflow: hidden;
    font-size: 11px;
    line-height: 1.45;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
  }

  .truth-list {
    margin-top: 12px;
  }

  .truth-list div {
    padding: 7px 0;
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .truth-list dt {
    font-size: 9px;
  }

  .truth-list dd {
    font-size: 10px;
    line-height: 1.35;
  }

  .workflow-section > .shell {
    gap: 14px;
  }

  .workflow-section .section-heading > p:last-child {
    -webkit-line-clamp: 2;
  }

  .workflow-grid {
    width: calc(100vw - 32px);
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(82vw, 330px);
    gap: 12px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .workflow-grid::-webkit-scrollbar {
    display: none;
  }

  .workflow-card {
    width: 100%;
    grid-template-columns: 54px minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    align-items: start;
    scroll-snap-align: start;
  }

  .workflow-number {
    width: 30px;
    height: 30px;
    margin: 16px 0 0 16px;
  }

  .workflow-copy {
    padding: 15px 14px 12px 0;
  }

  .workflow-copy h3 {
    font-size: 18px;
  }

  .workflow-copy p {
    display: -webkit-box;
    overflow: hidden;
    font-size: 11px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .workflow-card figure {
    grid-column: 1 / -1;
    height: auto;
    min-height: 0;
    margin: 0 12px 12px;
  }

  .mac-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 16px;
  }

  .development-note {
    margin-top: 13px;
    padding-top: 10px;
  }

  .development-note p {
    margin-top: 5px;
    font-size: 11px;
    line-height: 1.4;
  }

  .mac-visual {
    height: 100%;
    min-height: 0;
  }

  .privacy-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 16px;
  }

  .privacy-facts {
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-left: 1px solid var(--line);
  }

  .privacy-facts article {
    padding: 13px;
    display: block;
    border-right: 1px solid var(--line);
  }

  .privacy-facts span {
    display: block;
    margin-bottom: 6px;
  }

  .privacy-facts h3 {
    font-size: 15px;
  }

  .privacy-facts p {
    margin-top: 6px;
    font-size: 10px;
    line-height: 1.4;
  }

  .closing-screen {
    grid-template-rows: minmax(0, 1fr) auto;
  }

  .final-cta-inner {
    width: min(calc(100% - 32px), var(--shell));
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    gap: 28px;
  }

  .final-cta-inner .button {
    width: auto;
  }

  .footer {
    padding: 18px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr auto;
    gap: 14px 22px;
  }

  .footer nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 14px;
  }

  .footer p {
    grid-column: 1 / -1;
    font-size: 10px;
  }
}

@media (max-width: 420px) and (max-height: 760px) {
  .hero-copy {
    padding-block: 14px;
  }

  .hero h1 {
    font-size: 29px;
  }

  .hero-lead {
    -webkit-line-clamp: 2;
  }

  .fact-row {
    display: none;
  }

  .section-heading h2,
  .mac-copy h2,
  .final-cta h2 {
    font-size: 27px;
  }

  .workflow-section .section-heading > p:last-child,
  .intro-section .section-heading > p:last-child {
    display: none;
  }
}

/* Browser-review refinements: full-bleed hero and natural vertical scrolling. */
html {
  scroll-behavior: smooth;
  scroll-snap-type: none;
}

.topbar {
  background: rgba(255, 253, 246, 0.985);
  backdrop-filter: none;
}

.hero,
.section,
.closing-screen {
  scroll-snap-align: none;
  scroll-snap-stop: normal;
}

.hero {
  padding: 0;
  grid-template-rows: minmax(0, 1fr);
}

.hero-grid {
  width: 100%;
  max-width: none;
  margin: 0;
  border: 0;
  border-radius: 0;
}

.phone-shot {
  left: 50%;
  transform: translateX(-50%);
}

.mac-visual {
  height: min(66svh, 610px);
  overflow: visible;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.desktop-rail,
.mac-visual > p {
  display: none;
}

.mac-visual img {
  width: min(100%, 690px);
  max-height: 100%;
  height: auto;
  object-fit: contain;
  border: 0;
  border-radius: 20px;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.16);
}

@media (max-width: 820px) {
  html {
    scroll-snap-type: none;
  }

  .hero {
    grid-template-rows: minmax(0, 1fr);
  }

  .hero-grid {
    border-radius: 0;
  }

  .workflow-grid {
    scroll-snap-type: x proximity;
  }

  .mac-visual {
    height: 100%;
    overflow: hidden;
  }

  .mac-visual img {
    width: min(100%, 560px);
    max-height: 100%;
  }
}