:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --ink: #101522;
  --muted: #5b6474;
  --line: #e4e8f0;
  --brand: #7b4fd6;
  --brand-strong: #6237c1;
  --teal: #107a70;
  --blue: #245b8f;
  --shadow: 0 18px 52px rgba(22, 31, 48, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 14px clamp(20px, 6vw, 72px);
  border-bottom: 1px solid rgba(228, 232, 240, 0.86);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 18px;
  font-weight: 700;
}

.brand img {
  display: block;
  border-radius: 8px;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

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

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: min(720px, 78svh);
  padding: clamp(64px, 10vw, 112px) clamp(22px, 8vw, 96px);
  overflow: hidden;
  background-color: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.92) 44%, rgba(255, 255, 255, 0.56) 76%, rgba(255, 255, 255, 0.30) 100%),
    url("/assets/login-preview.png");
  background-size: cover;
  background-position: center;
}

.hero-guide::before {
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.92) 48%, rgba(255, 255, 255, 0.64) 78%, rgba(255, 255, 255, 0.42) 100%),
    url("/assets/mobile-preview.png");
  background-size: auto 112%, auto 92%;
  background-repeat: no-repeat;
  background-position: center, right 12% center;
}

.hero-copy {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 620px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 9em;
  font-size: 64px;
  line-height: 1.08;
  font-weight: 800;
}

h2 {
  margin: 0;
  font-size: 38px;
  line-height: 1.14;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
}

.hero-text {
  max-width: 540px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(22, 31, 48, 0.10);
}

.button.primary {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
}

.button.android {
  border-color: #ff9f1c;
  background: linear-gradient(135deg, #ffb238 0%, #ff7a1a 100%);
  color: #fff;
  box-shadow: 0 16px 30px rgba(255, 122, 26, 0.22);
}

.button.compact {
  align-self: flex-start;
}

.button small {
  display: block;
  margin-top: 1px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  opacity: 0.82;
}

.button-icon {
  position: relative;
  display: inline-flex;
  width: 23px;
  height: 23px;
  flex: 0 0 auto;
  margin-right: 9px;
  border: 2px solid currentColor;
  border-radius: 6px;
}

.button-icon::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 3px;
  width: 7px;
  height: 13px;
  border: 2px solid currentColor;
  border-radius: 4px;
}

.shield-icon {
  border-radius: 50% 50% 46% 46%;
}

.shield-icon::before {
  left: 7px;
  top: 5px;
  width: 6px;
  height: 10px;
  border-width: 0 2px 2px 0;
  border-radius: 0;
  transform: rotate(42deg);
}

.android-icon {
  width: 27px;
  height: 27px;
  margin-right: 10px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.36);
}

.android-icon::before {
  left: 5px;
  top: 8px;
  width: 15px;
  height: 13px;
  border: 0;
  border-radius: 8px 8px 5px 5px;
  background:
    radial-gradient(circle at 34% 45%, #ff8a1f 0 2px, transparent 2.4px),
    radial-gradient(circle at 66% 45%, #ff8a1f 0 2px, transparent 2.4px),
    #fff;
  box-shadow:
    -3px 7px 0 -1px #fff,
    3px 7px 0 -1px #fff,
    0 5px 12px rgba(133, 74, 17, 0.16);
}

.android-icon::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 3px;
  width: 15px;
  height: 8px;
  border: 0;
  background:
    linear-gradient(35deg, transparent 0 42%, #fff 43% 55%, transparent 56%),
    linear-gradient(145deg, transparent 0 42%, #fff 43% 55%, transparent 56%);
}

.home-main {
  background: #fff;
}

.home-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(228, 232, 240, 0.8);
  background:
    linear-gradient(90deg, #ffffff 0%, #ffffff 47%, rgba(252, 246, 255, 0.94) 100%),
    linear-gradient(180deg, #ffffff 0%, #f7f8fb 100%);
}

.home-hero-inner {
  display: grid;
  width: 100%;
  max-width: 1220px;
  min-height: 540px;
  margin: 0 auto;
  grid-template-columns: minmax(0, 1.08fr) minmax(430px, 0.92fr);
  align-items: center;
  gap: clamp(20px, 3vw, 46px);
  padding: clamp(42px, 6vw, 68px) clamp(20px, 5vw, 54px) 28px;
}

.home-copy {
  position: relative;
  z-index: 2;
}

.home-copy h1 {
  max-width: 650px;
  font-size: clamp(40px, 4.4vw, 52px);
  letter-spacing: 0;
}

.home-copy h1 .title-main,
.home-copy h1 .title-accent {
  display: block;
}

.home-copy h1 .title-main {
  white-space: nowrap;
}

.home-copy h1 .title-accent {
  color: var(--brand);
}

.home-copy h1 .title-tail {
  color: var(--ink);
}

.home-subtitle {
  max-width: 520px;
  margin: 22px 0 0;
  color: #536071;
  font-size: 20px;
  line-height: 1.75;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.home-actions .button {
  justify-content: flex-start;
  min-height: 66px;
  min-width: 224px;
  padding: 12px 18px;
}

.home-actions .primary {
  box-shadow: 0 16px 30px rgba(123, 79, 214, 0.22);
}

.home-status {
  display: grid;
  max-width: 590px;
  margin-top: 26px;
  grid-template-columns: minmax(0, 1fr) minmax(190px, 0.68fr);
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid #edf0f6;
  border-radius: 8px;
  background: rgba(248, 250, 252, 0.9);
}

.status-item {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 9px;
  color: #536071;
  font-size: 14px;
  line-height: 1.45;
}

.status-dot {
  position: relative;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border: 2px solid #8a94a6;
  border-radius: 50%;
}

.status-dot::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 3px;
  height: 6px;
  border-right: 2px solid #8a94a6;
  border-bottom: 2px solid #8a94a6;
  transform: rotate(35deg);
}

.status-link {
  color: var(--brand-strong);
  font-weight: 800;
}

.status-link span {
  color: #6b7280;
  font-weight: 600;
}

.product-preview {
  position: relative;
  min-height: 470px;
}

.product-preview::before {
  content: "";
  position: absolute;
  left: 7%;
  right: 4%;
  bottom: 18px;
  height: 26px;
  border-radius: 50%;
  background: rgba(45, 55, 72, 0.12);
  filter: blur(16px);
}

.phone-mock {
  position: absolute;
  overflow: hidden;
  border: 5px solid #171923;
  border-radius: 38px;
  background: #fff;
  box-shadow: 0 28px 54px rgba(22, 31, 48, 0.18);
}

.phone-mock::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 11px;
  z-index: 3;
  width: 92px;
  height: 24px;
  border-radius: 0 0 16px 16px;
  background: #05070b;
  transform: translateX(-50%);
}

.chat-phone {
  left: 4%;
  top: 0;
  z-index: 2;
  width: 310px;
  height: 480px;
}

.burn-phone {
  right: 2%;
  top: 66px;
  width: 252px;
  height: 396px;
  opacity: 0.94;
}

.phone-status,
.phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-status {
  height: 42px;
  padding: 8px 18px 0;
  color: #111827;
  font-size: 13px;
  font-weight: 800;
}

.phone-signal {
  color: #111827;
  font-size: 10px;
  letter-spacing: 1px;
}

.phone-header {
  padding: 8px 17px 10px;
  border-bottom: 1px solid #edf0f6;
  text-align: center;
}

.phone-header strong {
  display: block;
  color: #111827;
  font-size: 16px;
  line-height: 1.2;
}

.phone-header small {
  display: block;
  margin-top: 2px;
  color: #25a565;
  font-size: 11px;
  line-height: 1.2;
}

.back-mark,
.more-mark {
  color: #111827;
  font-size: 28px;
  font-weight: 700;
}

.more-mark {
  font-size: 20px;
  letter-spacing: 1px;
}

.chat-body {
  display: grid;
  align-content: start;
  gap: 10px;
  height: 318px;
  padding: 18px 14px;
  background: linear-gradient(180deg, #fff 0%, #fbfcff 100%);
}

.message-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.message-row p {
  max-width: 196px;
  margin: 0;
  padding: 10px 12px;
  border-radius: 14px;
  color: #253044;
  background: #f1f3f7;
  font-size: 12px;
  line-height: 1.45;
}

.message-row small {
  display: block;
  color: #7d8797;
  font-size: 10px;
}

.outbound {
  justify-content: flex-end;
}

.outbound p {
  color: #fff;
  background: var(--brand);
}

.file-message p {
  color: var(--brand-strong);
  background: #eee6ff;
}

.burn-message p {
  background: #ded1ff;
  color: var(--brand-strong);
  font-weight: 800;
}

.countdown-message p {
  background: var(--brand);
  font-weight: 800;
}

.avatar-dot {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border: 2px solid #fff;
  border-radius: 50%;
  background: linear-gradient(135deg, #82b6ff, #8b5cf6);
  box-shadow: 0 6px 14px rgba(22, 31, 48, 0.16);
}

.chat-input {
  margin: 0 14px;
  padding: 9px 13px;
  border-radius: 999px;
  color: #a0a7b5;
  background: #f2f4f8;
  font-size: 12px;
}

.phone-foot {
  margin-top: 10px;
  color: #25a565;
  font-size: 11px;
  text-align: center;
}

.burn-panel {
  padding: 76px 20px 18px;
  text-align: center;
}

.burn-panel h3 {
  font-size: 18px;
}

.burn-panel p {
  margin: 9px auto 22px;
  max-width: 170px;
  color: #6b7280;
  font-size: 12px;
  line-height: 1.55;
}

.burn-panel ul {
  margin: 0;
  padding: 0;
  border: 1px solid #edf0f6;
  border-radius: 14px;
  background: #fff;
  list-style: none;
  text-align: left;
}

.burn-panel li {
  position: relative;
  padding: 12px 18px;
  border-bottom: 1px solid #edf0f6;
  color: #253044;
  font-size: 13px;
}

.burn-panel li:last-child {
  border-bottom: 0;
}

.burn-panel .active::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 13px;
  width: 7px;
  height: 12px;
  border-right: 2px solid #111827;
  border-bottom: 2px solid #111827;
  transform: rotate(40deg);
}

.home-band {
  padding: clamp(34px, 5vw, 48px) clamp(20px, 6vw, 72px);
}

.capabilities-band {
  background: #fff;
}

.home-section-heading {
  margin-bottom: 24px;
  text-align: center;
}

.home-section-heading h2 {
  position: relative;
  display: inline-block;
  font-size: 27px;
}

.home-section-heading h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -9px;
  width: 38px;
  height: 3px;
  border-radius: 999px;
  background: var(--brand);
  transform: translateX(-50%);
}

.capability-grid {
  display: grid;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.capability-card {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 126px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 32px rgba(22, 31, 48, 0.05);
}

.capability-card p {
  margin: 8px 0 0;
  color: #536071;
  font-size: 14px;
  line-height: 1.6;
}

.capability-icon,
.mini-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: #efe8ff;
}

.capability-icon {
  width: 62px;
  height: 62px;
}

.capability-icon::before,
.capability-icon::after,
.mini-icon::before,
.mini-icon::after {
  content: "";
  position: absolute;
  box-sizing: border-box;
}

.lock-icon::before {
  width: 24px;
  height: 20px;
  bottom: 15px;
  border: 3px solid var(--brand);
  border-radius: 5px;
}

.lock-icon::after {
  width: 20px;
  height: 18px;
  top: 15px;
  border: 3px solid var(--brand);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
}

.clock-icon::before {
  width: 31px;
  height: 31px;
  border: 3px solid var(--brand);
  border-radius: 50%;
}

.clock-icon::after {
  width: 12px;
  height: 15px;
  border-left: 3px solid var(--brand);
  border-bottom: 3px solid var(--brand);
  transform: translate(4px, -3px);
}

.shield-large-icon::before {
  width: 31px;
  height: 36px;
  border: 3px solid var(--brand);
  border-radius: 16px 16px 19px 19px;
}

.shield-large-icon::after {
  width: 9px;
  height: 16px;
  border-right: 3px solid var(--brand);
  border-bottom: 3px solid var(--brand);
  transform: rotate(42deg);
}

.action-band {
  padding-top: 0;
  background: #fff;
}

.home-action-grid {
  display: grid;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.9fr);
  gap: 24px;
}

.install-panel,
.faq-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(22, 31, 48, 0.04);
}

.install-panel {
  padding: 24px 28px 22px;
}

.faq-panel {
  padding: 24px 26px;
}

.install-panel h2,
.faq-panel h2 {
  font-size: 22px;
}

.install-steps {
  display: grid;
  margin-top: 20px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.mini-step {
  display: grid;
  justify-items: center;
  text-align: center;
}

.mini-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 9px;
  border-radius: 12px;
}

.safari-icon::before {
  width: 25px;
  height: 25px;
  border: 2px solid var(--brand);
  border-radius: 50%;
}

.safari-icon::after {
  width: 3px;
  height: 17px;
  background: var(--brand);
  transform: rotate(38deg);
}

.share-icon::before {
  width: 21px;
  height: 25px;
  border: 2px solid var(--brand);
  border-top: 0;
  border-radius: 0 0 5px 5px;
}

.share-icon::after {
  width: 12px;
  height: 12px;
  border-left: 2px solid var(--brand);
  border-top: 2px solid var(--brand);
  transform: translateY(-6px) rotate(45deg);
}

.add-icon::before {
  width: 22px;
  height: 22px;
  border: 2px solid var(--brand);
  border-radius: 5px;
}

.add-icon::after {
  width: 14px;
  height: 14px;
  border-left: 3px solid var(--brand);
  border-top: 3px solid var(--brand);
  transform: translate(5px, 5px) rotate(0deg);
}

.start-icon::before {
  width: 22px;
  height: 26px;
  border: 2px solid var(--brand);
  border-radius: 9px;
}

.start-icon::after {
  width: 9px;
  height: 9px;
  border-right: 3px solid var(--brand);
  border-bottom: 3px solid var(--brand);
  transform: rotate(40deg);
}

.mini-step strong {
  color: #111827;
  font-size: 14px;
  line-height: 1.35;
}

.mini-step p {
  margin: 5px 0 0;
  color: #536071;
  font-size: 13px;
  line-height: 1.45;
}

.install-entry {
  display: flex;
  justify-content: center;
  gap: 8px;
  width: min(330px, 100%);
  margin: 22px auto 0;
  padding: 9px 14px;
  border-radius: 8px;
  color: #8a94a6;
  background: #f5f1ff;
}

.install-entry strong {
  color: var(--brand);
}

.compact-faq {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.compact-faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.compact-faq summary {
  cursor: pointer;
  padding: 10px 12px;
  color: #111827;
  font-size: 14px;
  font-weight: 800;
}

.compact-faq p {
  margin: 0;
  padding: 0 12px 12px;
  color: #536071;
  font-size: 13px;
  line-height: 1.55;
}

.top-nav .nav-download {
  min-height: 38px;
  padding: 8px 17px;
  border: 1px solid #dfe5ee;
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  box-shadow: 0 8px 18px rgba(22, 31, 48, 0.05);
}

.home-hero {
  isolation: isolate;
  border-bottom: 0;
  background:
    radial-gradient(circle at 68% 46%, rgba(63, 93, 185, 0.08) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
}

.home-hero::before,
.home-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  border: 1px solid rgba(56, 82, 148, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.home-hero::before {
  right: 7%;
  top: 38px;
  width: min(42vw, 560px);
  aspect-ratio: 1;
}

.home-hero::after {
  right: -4%;
  top: 88px;
  width: min(58vw, 760px);
  aspect-ratio: 1;
}

.home-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  min-height: 565px;
  grid-template-columns: minmax(640px, 0.98fr) minmax(0, 1.02fr);
  gap: clamp(22px, 4vw, 58px);
  padding: clamp(52px, 7vw, 78px) clamp(24px, 5vw, 58px) 0;
}

.home-copy {
  padding-bottom: 110px;
}

.home-eyebrow {
  margin: 0 0 18px;
  color: #355cff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.home-copy h1 {
  max-width: 560px;
  color: #081226;
  font-size: clamp(50px, 5.6vw, 72px);
  line-height: 1.08;
}

.home-subtitle {
  max-width: 510px;
  margin-top: 24px;
  color: #536071;
  font-size: 18px;
  line-height: 1.78;
}

.platform-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  min-height: 60px;
  padding: 10px 12px;
  border: 1px solid #dfe5ee;
  border-radius: 8px;
  color: #081226;
  background: #fff;
  box-shadow: 0 10px 24px rgba(22, 31, 48, 0.06);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.22;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.platform-button:hover {
  border-color: #cfd8e6;
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(22, 31, 48, 0.10);
}

.platform-button small {
  display: block;
  margin-top: 3px;
  color: #697386;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.safety-button {
  width: 176px;
}

.apple-button {
  width: 166px;
}

.android-button {
  width: 166px;
}

.platform-icon,
.platform-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 10px;
}

.platform-icon {
  width: 30px;
  height: 30px;
}

.platform-badge {
  width: 48px;
  height: 48px;
}

.apple-mark {
  background: #f1f5ff;
}

.apple-mark::before,
.apple-mark::after,
.android-mark::before,
.android-mark::after,
.safety-mark::before,
.safety-mark::after,
.trust-shield::before,
.trust-shield::after,
.privacy-icon::before,
.privacy-icon::after {
  content: "";
  position: absolute;
  box-sizing: border-box;
}

.apple-mark::before {
  left: 34%;
  top: 34%;
  width: 40%;
  height: 43%;
  border-radius: 48% 48% 52% 52%;
  background: #071126;
  box-shadow: -6px 4px 0 -3px #071126;
  transform: rotate(-6deg);
}

.apple-mark::after {
  left: 53%;
  top: 20%;
  width: 22%;
  height: 13%;
  border-radius: 100% 0 100% 0;
  background: #071126;
  transform: rotate(-32deg);
}

.android-mark {
  background: #eefaf3;
}

.android-mark::before {
  left: 27%;
  top: 37%;
  width: 46%;
  height: 35%;
  border-radius: 12px 12px 7px 7px;
  background:
    radial-gradient(circle at 34% 42%, #fff 0 1.5px, transparent 1.8px),
    radial-gradient(circle at 66% 42%, #fff 0 1.5px, transparent 1.8px),
    #24b45a;
  box-shadow:
    -7px 7px 0 -4px #24b45a,
    7px 7px 0 -4px #24b45a;
}

.android-mark::after {
  left: 31%;
  top: 24%;
  width: 38%;
  height: 18%;
  background:
    linear-gradient(36deg, transparent 0 40%, #24b45a 41% 57%, transparent 58%),
    linear-gradient(144deg, transparent 0 40%, #24b45a 41% 57%, transparent 58%);
}

.safety-mark {
  background: #f2f5ff;
}

.safety-mark::before {
  left: 31%;
  top: 24%;
  width: 38%;
  height: 47%;
  border: 2px solid #1d3b8f;
  border-radius: 12px 12px 16px 16px;
}

.safety-mark::after {
  left: 43%;
  top: 37%;
  width: 15%;
  height: 25%;
  border-right: 2px solid #1d3b8f;
  border-bottom: 2px solid #1d3b8f;
  transform: rotate(42deg);
}

.hero-trust {
  display: inline-flex;
  align-items: center;
  max-width: 520px;
  gap: 9px;
  margin-top: 18px;
  color: #68758a;
  font-size: 14px;
  line-height: 1.55;
}

.trust-shield {
  position: relative;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.trust-shield::before {
  inset: 1px 3px 2px;
  border: 1.8px solid #6c7d9a;
  border-radius: 8px 8px 10px 10px;
}

.trust-shield::after {
  left: 7px;
  top: 5px;
  width: 5px;
  height: 8px;
  border-right: 1.8px solid #6c7d9a;
  border-bottom: 1.8px solid #6c7d9a;
  transform: rotate(42deg);
}

.product-preview {
  min-height: 545px;
}

.product-preview::before {
  left: 7%;
  right: 3%;
  bottom: 0;
  height: 28px;
  background: rgba(24, 33, 52, 0.10);
}

.chat-phone {
  left: 15%;
  width: 318px;
  height: 520px;
}

.burn-phone {
  right: 4%;
  top: 72px;
  width: 262px;
  height: 420px;
  opacity: 0.98;
}

.product-preview .phone-header small {
  color: #5a6b83;
}

.product-preview .outbound p {
  color: #12633c;
  background: #e4f7eb;
}

.product-preview .file-message p {
  color: #12633c;
  background: #e7f7ee;
}

.product-preview .burn-message p {
  color: #0f6b40;
  background: #dff4e7;
}

.product-preview .burn-panel .active::after {
  border-color: #2f64ff;
}

.capabilities-band {
  position: relative;
  z-index: 5;
  margin-top: -42px;
  padding-top: 0;
  padding-bottom: 20px;
  background: transparent;
}

.capability-strip {
  max-width: 1320px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: 1px solid #e1e7f0;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(22, 31, 48, 0.08);
}

.capability-strip .capability-card {
  min-height: 118px;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 18px;
  padding: 24px 28px;
  border: 0;
  border-right: 1px solid #e7ecf3;
  border-radius: 0;
  box-shadow: none;
}

.capability-strip .capability-card:last-child {
  border-right: 0;
}

.capability-strip .capability-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
}

.capability-strip .clock-icon {
  background: #eefaf3;
}

.capability-strip .clock-icon::before,
.capability-strip .clock-icon::after {
  border-color: #24a35a;
}

.capability-strip .shield-large-icon,
.capability-strip .privacy-icon {
  background: #f1f5ff;
}

.privacy-icon::before {
  left: 18px;
  top: 15px;
  width: 18px;
  height: 18px;
  border: 2.4px solid #1d3b8f;
  border-radius: 50%;
}

.privacy-icon::after {
  left: 14px;
  top: 33px;
  width: 26px;
  height: 14px;
  border: 2.4px solid #1d3b8f;
  border-bottom: 0;
  border-radius: 18px 18px 0 0;
}

.capability-strip h3 {
  font-size: 17px;
}

.capability-strip .capability-card p {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.62;
}

.action-band {
  padding-top: 16px;
  padding-bottom: 34px;
}

.download-panels {
  display: grid;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.download-panel {
  padding: 26px 28px;
  border: 1px solid #e1e7f0;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 32px rgba(22, 31, 48, 0.05);
}

.download-panel-head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid #e8edf5;
}

.download-panel h2 {
  font-size: 24px;
  line-height: 1.22;
}

.download-panel-head p {
  margin: 4px 0 0;
  color: #697386;
  font-size: 14px;
}

.guide-mini {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  align-items: center;
  gap: 28px;
  padding-top: 18px;
}

.guide-entry {
  display: grid;
  justify-items: center;
  gap: 10px;
  min-height: 118px;
  padding: 12px;
  border-radius: 8px;
  background: #fbfcff;
  text-align: center;
}

.guide-entry img {
  display: block;
  width: 68px;
  height: 68px;
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(58, 78, 118, 0.12);
}

.guide-entry span {
  color: #536071;
  font-size: 13px;
  line-height: 1.45;
}

.guide-steps-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.guide-steps-line div {
  min-width: 0;
}

.guide-steps-line strong,
.guide-steps-line span {
  display: block;
}

.guide-steps-line strong {
  color: #111827;
  font-size: 14px;
  line-height: 1.35;
}

.guide-steps-line span {
  margin-top: 5px;
  color: #697386;
  font-size: 13px;
  line-height: 1.45;
}

.guide-steps-line i {
  position: relative;
  display: block;
  height: 1px;
  background: #aeb8c8;
}

.guide-steps-line i::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid #aeb8c8;
  border-bottom: 1.5px solid #aeb8c8;
  transform: translateY(-50%) rotate(-45deg);
}

.platform-button {
  min-height: 66px;
  gap: 14px;
  padding: 12px 20px;
  font-size: 16px;
}

.platform-button small {
  margin-top: 2px;
  font-size: 12px;
}

.apple-button,
.android-button {
  width: 184px;
}

.safety-button {
  width: 214px;
}

.platform-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: transparent;
}

.platform-logo {
  display: block;
  width: 26px;
  height: 26px;
}

.download-panel-head {
  gap: 18px;
}

.platform-badge {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: #f1f5ff;
}

.android-badge {
  background: #eefaf3;
}

.download-platform-logo {
  display: block;
  width: 30px;
  height: 30px;
}

.guide-cta {
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: 124px;
  gap: 6px;
  padding: 16px 12px;
  border: 1px solid #dfe5ee;
  border-radius: 8px;
  background: #fbfcff;
  text-align: center;
  box-shadow: 0 10px 22px rgba(22, 31, 48, 0.04);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.guide-cta:hover {
  border-color: #cfd8e6;
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(22, 31, 48, 0.08);
}

.guide-cta-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: #f1f5ff;
}

.guide-cta-icon img {
  display: block;
  border-radius: 11px;
}

.android-cta-icon {
  background: #eefaf3;
}

.guide-cta strong,
.guide-cta small {
  display: block;
}

.guide-cta strong {
  color: #111827;
  font-size: 14px;
  line-height: 1.35;
}

.guide-cta small {
  color: #697386;
  font-size: 12px;
  line-height: 1.35;
}

.qr-download {
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: 132px;
  gap: 7px;
  padding: 10px;
  border-radius: 8px;
  background: #fbfcff;
  text-align: center;
  transition: transform 160ms ease;
}

.qr-download:hover {
  transform: translateY(-1px);
}

.qr-frame {
  display: grid;
  place-items: center;
  width: 98px;
  height: 98px;
  border: 1px solid #dfe5ee;
  border-radius: 6px;
  background: #fff;
}

.qr-image {
  display: block;
  width: 88px;
  height: 88px;
}

.qr-download strong,
.qr-download small {
  display: block;
}

.qr-download strong {
  color: #111827;
  font-size: 14px;
  line-height: 1.3;
}

.qr-download small {
  max-width: 132px;
  color: #697386;
  font-size: 12px;
  line-height: 1.35;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  display: block;
  border-radius: 8px;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand strong {
  color: var(--ink);
  font-size: 17px;
}

.footer-brand span {
  color: #697386;
  font-size: 13px;
}

.section {
  padding: clamp(58px, 9vw, 96px) clamp(20px, 8vw, 96px);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 28px;
  text-align: center;
}

.feature-grid,
.download-grid,
.step-list,
.visual-steps {
  display: grid;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  gap: 16px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.download-card,
.step-card,
.tips-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(22, 31, 48, 0.05);
}

.feature-card {
  padding: 28px;
}

.feature-card p,
.download-card p,
.step-card p,
.support-copy p {
  margin: 12px 0 0;
  color: var(--muted);
}

.feature-mark {
  display: block;
  width: 34px;
  height: 34px;
  margin-bottom: 22px;
  border-radius: 8px;
}

.mark-secure {
  background: var(--brand);
}

.mark-sync {
  background: var(--teal);
}

.mark-lite {
  background: var(--blue);
}

.download-section {
  background: #fff;
}

.download-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.download-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
}

.download-card.muted {
  background: #f8fafc;
}

.platform {
  margin: 0 0 10px;
  color: var(--brand-strong);
  font-size: 13px;
  font-weight: 800;
}

.status-pill {
  display: inline-flex;
  align-self: flex-start;
  padding: 9px 12px;
  border: 1px solid #d2d8e5;
  border-radius: 8px;
  color: #536071;
  background: #fff;
  font-size: 14px;
  font-weight: 700;
}

.support-section {
  background: #f2f5f9;
}

.support-copy {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.support-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.support-links a,
.footer-links a {
  color: var(--brand-strong);
  font-weight: 700;
}

.support-links a {
  min-height: 42px;
  padding: 9px 13px;
  border: 1px solid #d8ddea;
  border-radius: 8px;
  background: #fff;
}

.legal-main {
  padding: clamp(42px, 7vw, 76px) clamp(20px, 8vw, 96px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(247, 248, 251, 0.98) 44%, #f7f8fb 100%),
    url("/assets/mobile-preview.png") right top / min(46vw, 520px) auto no-repeat;
}

.legal-hero,
.legal-card {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

.legal-hero {
  padding: clamp(24px, 4vw, 42px) 0 28px;
}

.legal-hero h1 {
  max-width: none;
  font-size: clamp(38px, 6vw, 58px);
}

.legal-hero p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.doc-meta {
  display: inline-flex;
  margin-top: 18px;
  padding: 8px 12px;
  border: 1px solid #d8ddea;
  border-radius: 8px;
  color: #536071;
  background: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  font-weight: 700;
}

.legal-card {
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 46px rgba(22, 31, 48, 0.08);
}

.legal-section + .legal-section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.legal-section h2 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.28;
}

.legal-section p {
  margin: 10px 0 0;
  color: #4b5565;
  font-size: 15px;
  line-height: 1.86;
}

.qa-grid {
  display: grid;
  gap: 10px;
}

.qa-grid details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.qa-grid summary {
  cursor: pointer;
  padding: 14px 16px;
  color: var(--ink);
  font-weight: 800;
}

.qa-grid details p {
  margin: 0;
  padding: 0 16px 16px;
}

.changelog-entry ul {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding-left: 22px;
  color: #4b5565;
}

.guide-section {
  background: #fff;
}

.guide-intro {
  display: flex;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto 20px;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid #cfd8e6;
  border-radius: 8px;
  color: #243044;
  background: #f6f8fb;
}

.guide-intro strong {
  flex: 0 0 auto;
}

.guide-intro span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.step-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step-card {
  padding: 26px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: #101522;
  color: #fff;
  font-weight: 800;
}

.visual-steps {
  gap: 22px;
}

.real-guide {
  display: grid;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  gap: 26px;
}

.real-step {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 0.94fr);
  align-items: center;
  gap: clamp(24px, 5vw, 56px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 46px rgba(22, 31, 48, 0.08);
}

.real-step:nth-child(even) {
  background: #f8fafc;
}

.screenshot-wrap {
  width: min(390px, 100%);
  margin: 0 auto;
}

.guide-shot {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #dfe5ee;
  border-radius: 26px;
  box-shadow: 0 20px 42px rgba(22, 31, 48, 0.16);
}

.screenshot-wrap figcaption {
  margin-top: 12px;
  color: #536071;
  font-size: 14px;
  text-align: center;
}

.visual-step {
  display: grid;
  min-height: 430px;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  align-items: center;
  gap: 34px;
  padding: clamp(24px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.96), rgba(255,255,255,0.92)),
    repeating-linear-gradient(0deg, rgba(36,91,143,0.06) 0, rgba(36,91,143,0.06) 1px, transparent 1px, transparent 28px),
    repeating-linear-gradient(90deg, rgba(36,91,143,0.05) 0, rgba(36,91,143,0.05) 1px, transparent 1px, transparent 28px);
  box-shadow: 0 16px 42px rgba(22, 31, 48, 0.07);
}

.step-copy {
  max-width: 460px;
}

.step-copy h3 {
  margin-top: 8px;
  font-size: 34px;
  line-height: 1.15;
}

.step-copy p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 44px;
  margin-bottom: 20px;
  border: 1px solid #d5dbea;
  border-radius: 8px;
  background: #101522;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}

.step-visual {
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
  width: min(310px, 100%);
  min-height: 390px;
  padding: 20px 16px;
  border: 1px solid #dbe1eb;
  border-radius: 34px;
  background: #f9fbff;
  box-shadow: 0 24px 50px rgba(22, 31, 48, 0.12);
}

.phone-top {
  width: 84px;
  height: 5px;
  margin: 0 auto 16px;
  border-radius: 999px;
  background: #111827;
}

.browser-mock,
.share-sheet-mock,
.add-screen {
  min-height: 328px;
  overflow: hidden;
  border: 1px solid #e2e7f0;
  border-radius: 22px;
  background: #fff;
}

.address-bar {
  margin: 14px;
  padding: 10px 12px;
  border-radius: 999px;
  color: #465267;
  background: #edf1f7;
  font-size: 13px;
  text-align: center;
}

.app-preview {
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 34px 18px;
  text-align: center;
}

.app-preview img {
  width: 58px;
  height: 58px;
  border-radius: 14px;
}

.app-preview span {
  color: var(--muted);
  font-size: 13px;
}

.blank-screen {
  display: grid;
  place-items: center;
  min-height: 200px;
  color: #8a94a6;
  background: #f7f8fb;
}

.safari-toolbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 8px;
  margin: 14px;
  padding: 10px;
  border: 1px solid #e2e7f0;
  border-radius: 16px;
  color: #697386;
  background: #fff;
  font-size: 12px;
  text-align: center;
}

.toolbar-focus,
.active-share {
  color: #fff;
  background: var(--brand);
  border-radius: 999px;
  font-weight: 800;
}

.toolbar-focus {
  padding: 6px;
}

.toolbar-large {
  position: relative;
  margin-top: 10px;
}

.share-symbol {
  padding: 9px 8px;
}

.active-share {
  box-shadow: 0 0 0 7px rgba(123, 79, 214, 0.14);
}

.tap-label {
  position: absolute;
  right: 40px;
  bottom: 86px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #fff;
  background: #101522;
  font-size: 13px;
  font-weight: 800;
}

.share-sheet-mock {
  margin-top: 88px;
  padding: 12px;
  border-radius: 24px 24px 18px 18px;
  box-shadow: 0 -10px 24px rgba(22, 31, 48, 0.08);
}

.sheet-handle {
  width: 48px;
  height: 5px;
  margin: 0 auto 12px;
  border-radius: 999px;
  background: #d7dde8;
}

.share-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 12px;
  border-bottom: 1px solid #eef1f6;
  color: #30394c;
  font-size: 14px;
}

.share-row:last-child {
  border-bottom: 0;
}

.muted-row {
  color: #8993a4;
}

.target-row {
  margin: 8px 0;
  border: 2px solid var(--brand);
  border-radius: 12px;
  color: var(--ink);
  background: #f8f4ff;
}

.plus-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: #101522;
  color: #fff;
  font-weight: 800;
}

.add-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  padding: 16px 14px;
  border-bottom: 1px solid #edf1f6;
  font-size: 13px;
}

.add-header strong {
  font-size: 14px;
}

.add-action {
  justify-self: end;
  color: var(--brand-strong);
  font-weight: 800;
}

.install-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 18px;
  padding: 14px;
  border: 1px solid #e3e8f0;
  border-radius: 16px;
  background: #fbfcff;
}

.install-preview img {
  width: 52px;
  height: 52px;
  border-radius: 13px;
}

.install-preview div {
  display: grid;
  gap: 2px;
}

.install-preview span {
  color: var(--muted);
  font-size: 12px;
}

.home-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 20px 18px 0;
  padding: 18px;
  border-radius: 18px;
  background: #f3f6fb;
}

.home-icon {
  display: grid;
  justify-items: center;
  gap: 6px;
  color: #243044;
  font-size: 12px;
  font-weight: 700;
}

.home-icon img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
}

.ghost-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #dfe5ef;
}

.tips-section {
  background: #f2f5f9;
}

.tips-panel {
  display: grid;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  grid-template-columns: 0.7fr 1fr;
  gap: 28px;
  padding: 34px;
}

.tip-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.tip-list li {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 6vw, 72px);
  color: #697386;
  border-top: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

@media (max-width: 900px) {
  .site-header {
    min-height: 62px;
  }

  .top-nav {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    padding-top: 78px;
    padding-bottom: 72px;
  }

  .hero::before,
  .hero-guide::before {
    background-image:
      linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.94) 58%, rgba(255, 255, 255, 0.78) 100%),
      url("/assets/mobile-preview.png");
    background-size: cover, auto 88%;
    background-position: center, right -24px bottom -10px;
    opacity: 0.96;
  }

  h1 {
    max-width: 9em;
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

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

  .home-hero-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 48px;
    gap: 34px;
  }

  .home-copy h1 {
    max-width: 760px;
    font-size: 44px;
  }

  .home-status {
    grid-template-columns: 1fr;
  }

  .product-preview {
    min-height: 430px;
  }

  .chat-phone {
    left: 50%;
    transform: translateX(-62%);
  }

  .burn-phone {
    right: 50%;
    transform: translateX(76%);
  }

  .capability-grid,
  .home-action-grid {
    grid-template-columns: 1fr;
  }

  .install-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid,
  .download-grid,
  .step-list,
  .real-step,
  .visual-step,
  .tips-panel {
    grid-template-columns: 1fr;
  }

  .visual-step {
    min-height: auto;
    gap: 28px;
  }

  .legal-main {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, #f7f8fb 54%),
      url("/assets/mobile-preview.png") right -80px top 30px / 360px auto no-repeat;
  }

  .step-copy {
    max-width: none;
  }

  .step-copy h3 {
    font-size: 28px;
  }
}

@media (max-width: 560px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .top-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 27px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

  .hero-actions .button,
  .download-card .button {
    width: 100%;
  }

  .hero-copy {
    max-width: 100%;
  }

  .home-hero-inner {
    padding: 36px 20px 20px;
  }

  .home-copy h1 {
    font-size: 36px;
  }

  .home-copy h1 .title-main {
    white-space: normal;
  }

  .home-subtitle {
    font-size: 16px;
  }

  .home-actions {
    max-width: 340px;
  }

  .home-actions .button {
    width: 100%;
    min-width: 0;
  }

  .home-status {
    padding: 13px;
  }

  .product-preview {
    min-height: 370px;
  }

  .chat-phone {
    width: 268px;
    height: 415px;
    left: 50%;
    top: 0;
    transform: translateX(-56%);
  }

  .burn-phone {
    width: 210px;
    height: 334px;
    top: 54px;
    right: 50%;
    transform: translateX(72%);
  }

  .phone-mock {
    border-width: 4px;
    border-radius: 32px;
  }

  .phone-mock::before {
    width: 78px;
    height: 20px;
  }

  .phone-status {
    height: 36px;
    font-size: 11px;
  }

  .phone-header {
    padding: 7px 14px 9px;
  }

  .phone-header strong {
    font-size: 14px;
  }

  .chat-body {
    height: 272px;
    gap: 8px;
    padding: 14px 12px;
  }

  .message-row p {
    max-width: 168px;
    padding: 8px 10px;
    font-size: 11px;
  }

  .burn-panel {
    padding: 64px 16px 16px;
  }

  .burn-panel li {
    padding: 10px 15px;
    font-size: 12px;
  }

  .home-band {
    padding: 32px 20px;
  }

  .capability-card {
    grid-template-columns: 58px minmax(0, 1fr);
    padding: 18px;
  }

  .capability-icon {
    width: 50px;
    height: 50px;
  }

  .install-panel,
  .faq-panel {
    padding: 20px;
  }

  .install-steps {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .guide-intro {
    flex-direction: column;
  }

  .visual-step {
    padding: 22px 18px;
  }

  .step-copy h3 {
    font-size: 25px;
  }

  .phone-frame {
    width: 100%;
    max-width: 292px;
    min-height: 360px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 900px) {
  .top-nav .nav-download {
    padding: 7px 13px;
  }

  .home-hero::before,
  .home-hero::after {
    opacity: 0.55;
  }

  .home-hero-inner {
    max-width: 720px;
    grid-template-columns: 1fr;
    padding-top: 46px;
    gap: 28px;
  }

  .home-copy {
    padding-bottom: 0;
  }

  .home-copy h1 {
    max-width: 620px;
    font-size: 48px;
  }

  .home-actions {
    max-width: 640px;
  }

  .platform-button {
    flex: 1 1 190px;
  }

  .product-preview {
    min-height: 455px;
  }

  .chat-phone {
    left: 50%;
    width: 292px;
    height: 478px;
    transform: translateX(-63%);
  }

  .burn-phone {
    right: 50%;
    width: 238px;
    height: 382px;
    transform: translateX(78%);
  }

  .capabilities-band {
    margin-top: -24px;
  }

  .capability-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-strip .capability-card {
    border-right: 1px solid #e7ecf3;
    border-bottom: 1px solid #e7ecf3;
  }

  .capability-strip .capability-card:nth-child(2n) {
    border-right: 0;
  }

  .capability-strip .capability-card:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .download-panels {
    max-width: 720px;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .guide-mini {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .guide-entry {
    grid-template-columns: auto minmax(0, 1fr);
    justify-items: start;
    min-height: auto;
    text-align: left;
  }

  .guide-steps-line {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .guide-steps-line i {
    display: none;
  }
}

@media (max-width: 560px) {
  .home-hero-inner {
    padding: 34px 20px 0;
  }

  .home-copy h1 {
    font-size: 40px;
  }

  .home-subtitle {
    font-size: 16px;
    line-height: 1.7;
  }

  .home-actions {
    max-width: none;
  }

  .platform-button {
    width: 100%;
    min-width: 0;
  }

  .product-preview {
    min-height: 374px;
  }

  .chat-phone {
    width: 258px;
    height: 424px;
    transform: translateX(-58%);
  }

  .burn-phone {
    width: 204px;
    height: 326px;
    transform: translateX(72%);
  }

  .capabilities-band {
    margin-top: -12px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .capability-strip {
    grid-template-columns: 1fr;
  }

  .capability-strip .capability-card,
  .capability-strip .capability-card:nth-child(2n),
  .capability-strip .capability-card:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid #e7ecf3;
  }

  .capability-strip .capability-card:last-child {
    border-bottom: 0;
  }

  .download-panel {
    padding: 22px 20px;
  }

  .guide-entry img {
    width: 58px;
    height: 58px;
  }
}