:root {
  --bg: #f4f7fb;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: #ffffff;
  --text: #12213f;
  --muted: #62708d;
  --line: rgba(137, 155, 186, 0.2);
  --primary: #2277f6;
  --primary-strong: #155bd7;
  --primary-soft: rgba(34, 119, 246, 0.12);
  --shadow: 0 24px 60px rgba(22, 48, 93, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "SF Pro Display", "PingFang SC", "Helvetica Neue", sans-serif;
  color: var(--text);
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(97, 180, 255, 0.3), transparent 28%),
    radial-gradient(circle at right 20%, rgba(134, 223, 214, 0.22), transparent 22%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
}

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

p,
li {
  line-height: 1.75;
}

.site-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
  padding-bottom: 56px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, #0f70f0 0%, #39b5ff 100%);
  box-shadow: 0 14px 32px rgba(34, 119, 246, 0.3);
}

.brand-text {
  font-size: 1.05rem;
}

.topnav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.topnav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 390px);
  gap: 40px;
  align-items: center;
  min-height: min(calc(100vh - 120px), 860px);
  padding: 28px 0 34px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.contact-panel h2,
.policy-aside h1 {
  margin: 0;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.9rem);
  max-width: 11ch;
}

.hero-product,
.hero-title-sub {
  display: block;
}

.hero-product {
  margin-bottom: 10px;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  color: var(--primary-strong);
  letter-spacing: -0.03em;
}

.hero-title-sub {
  max-width: 11ch;
}

.lead {
  max-width: 58ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.hero-disclaimer {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin: 16px 0 0;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  font-size: 0.88rem;
  font-weight: 600;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

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

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, #35a7ff 100%);
  box-shadow: 0 16px 34px rgba(34, 119, 246, 0.24);
}

.button.secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.74);
}

.hero-notes {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.hero-notes li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f70f0 0%, #5fd2ff 100%);
}

.hero-visual {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 18px;
  width: 100%;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
}

.orb-left {
  top: 20px;
  left: 10px;
  width: 150px;
  height: 150px;
  background: rgba(95, 210, 255, 0.25);
}

.orb-right {
  right: 20px;
  bottom: 40px;
  width: 210px;
  height: 210px;
  background: rgba(34, 119, 246, 0.16);
}

.phone-frame {
  position: relative;
  width: min(388px, 100%);
  padding: 15px;
  border-radius: 38px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.9), rgba(229, 238, 249, 0.72)),
    #dfe9f7;
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow);
}

.hero-deck {
  position: relative;
  width: min(388px, 100%);
  height: 680px;
}

.deck-card {
  position: absolute;
  inset: 0;
  transform-origin: center center;
  transition:
    transform 420ms ease,
    opacity 420ms ease,
    filter 420ms ease,
    box-shadow 420ms ease;
}

.deck-card.is-active {
  z-index: 3;
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1) rotate(0deg);
}

.deck-card.is-next {
  z-index: 2;
  opacity: 0.8;
  transform: translate3d(26px, 16px, 0) scale(0.95) rotate(4deg);
  filter: saturate(0.92);
}

.deck-card.is-back {
  z-index: 1;
  opacity: 0.58;
  transform: translate3d(44px, 30px, 0) scale(0.9) rotate(8deg);
  filter: saturate(0.84);
}

.deck-controls {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 4;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.deck-dot {
  width: 11px;
  height: 11px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(18, 33, 63, 0.18);
  cursor: pointer;
  transition:
    width 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.deck-dot.is-active {
  width: 28px;
  background: var(--primary);
}

.deck-caption {
  display: grid;
  justify-items: center;
  gap: 6px;
  min-height: 64px;
  text-align: center;
}

.deck-label {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--primary-strong);
  background: rgba(34, 119, 246, 0.1);
  font-size: 0.84rem;
  font-weight: 700;
}

.deck-description {
  margin: 0;
  max-width: 28ch;
  min-height: 3.5em;
  color: var(--muted);
  font-size: 0.92rem;
}

.phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 8px 12px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.phone-island {
  width: 98px;
  height: 20px;
  border-radius: 999px;
  background: #0d1222;
}

.phone-body {
  padding: 16px;
  border-radius: 30px;
  background: linear-gradient(180deg, #fcfdff 0%, #eef4fb 100%);
}

.app-nav,
.topic-card,
.tabbar,
.trust-strip,
.feature-card,
.experience-card,
.faq-list details,
.contact-panel,
.policy-content section,
.policy-aside {
  backdrop-filter: blur(18px);
}

.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-title {
  font-size: 1.72rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.nav-actions {
  display: flex;
  gap: 8px;
}

.nav-actions span {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(147, 167, 197, 0.24);
}

.chips {
  display: flex;
  gap: 8px;
  margin: 16px 0 18px;
  overflow: hidden;
}

.chip {
  padding: 7px 13px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.74);
  font-size: 0.8rem;
  font-weight: 600;
}

.chip.active {
  color: #fff;
  background: linear-gradient(135deg, #1981ff 0%, #4eb2ff 100%);
}

.topic-list {
  display: grid;
  gap: 10px;
}

.topic-card {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid rgba(146, 166, 196, 0.2);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
}

.gradient-a {
  background: linear-gradient(135deg, #61d2ff 0%, #3d7dff 100%);
}

.gradient-b {
  background: linear-gradient(135deg, #ffb07a 0%, #ff6b87 100%);
}

.gradient-c {
  background: linear-gradient(135deg, #85e7c7 0%, #2f9dca 100%);
}

.topic-text h2 {
  margin: 0;
  font-size: 0.9rem;
  letter-spacing: -0.03em;
}

.topic-text p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.reply-pill {
  min-width: 36px;
  padding: 7px 10px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #587d98 0%, #40596e 100%);
  font-size: 0.72rem;
  text-align: center;
}

.tabbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 16px;
  padding: 8px;
  border: 1px solid rgba(146, 166, 196, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
}

.tab {
  padding: 9px 0;
  border-radius: 999px;
  color: var(--muted);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
}

.tab.active {
  color: var(--primary);
  background: var(--primary-soft);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.trust-strip div {
  display: grid;
  gap: 6px;
}

.trust-strip strong {
  font-size: 0.92rem;
}

.trust-strip span {
  color: var(--muted);
}

.mini-topbar,
.compose-head,
.profile-head,
.compose-switcher,
.profile-tabs,
.profile-stats,
.compose-panel,
.mini-row {
  position: relative;
  z-index: 1;
}

.mini-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mini-title {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.mini-actions {
  display: flex;
  gap: 8px;
}

.mini-actions span,
.compose-capsule,
.compose-preview,
.profile-pill,
.profile-tab,
.compose-tab,
.mini-chip,
.mini-badge {
  border-radius: 999px;
}

.mini-actions span {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(147, 167, 197, 0.24);
  background: rgba(255, 255, 255, 0.86);
}

.mini-chips {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.mini-chip {
  padding: 7px 14px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.76);
  font-size: 0.82rem;
  font-weight: 600;
}

.mini-chip.active {
  color: #fff;
  background: linear-gradient(135deg, #1981ff 0%, #4eb2ff 100%);
}

.mini-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.mini-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(146, 166, 196, 0.16);
}

.mini-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.mini-lines {
  display: grid;
  gap: 8px;
}

.line {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: rgba(145, 163, 192, 0.24);
}

.line.strong {
  height: 12px;
  background: rgba(31, 52, 90, 0.18);
}

.w-92 { width: 92%; }
.w-90 { width: 90%; }
.w-85 { width: 85%; }
.w-80 { width: 80%; }
.w-72 { width: 72%; }
.w-64 { width: 64%; }
.w-60 { width: 60%; }
.w-58 { width: 58%; }
.w-55 { width: 55%; }
.w-53 { width: 53%; }
.w-52 { width: 52%; }
.w-48 { width: 48%; }
.w-46 { width: 46%; }
.w-42 { width: 42%; }
.w-35 { width: 35%; }

.mini-badge {
  min-width: 38px;
  padding: 8px 10px;
  color: #fff;
  text-align: center;
  font-size: 0.74rem;
  background: linear-gradient(135deg, #587d98 0%, #40596e 100%);
}

.compose-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
}

.compose-capsule {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

.compose-capsule.primary,
.compose-preview {
  color: var(--primary);
}

.compose-title {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.compose-panel {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(146, 166, 196, 0.16);
}

.compose-chevron {
  position: absolute;
  right: 18px;
  top: 20px;
  width: 12px;
  height: 12px;
  border-top: 2px solid rgba(98, 112, 141, 0.6);
  border-right: 2px solid rgba(98, 112, 141, 0.6);
  transform: rotate(45deg);
}

.compose-input {
  position: relative;
  z-index: 1;
  display: block;
  height: 42px;
  margin-top: 18px;
  border-bottom: 1px solid rgba(146, 166, 196, 0.22);
}

.compose-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

.compose-tab,
.compose-preview {
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.8);
  font-weight: 700;
}

.compose-tab.active {
  color: var(--text);
  box-shadow: 0 6px 16px rgba(22, 48, 93, 0.08);
}

.compose-preview {
  margin-left: auto;
  background: rgba(34, 119, 246, 0.12);
}

.compose-editor {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.compose-toolbar {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  padding: 14px 16px;
  border-top: 1px solid rgba(146, 166, 196, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.24));
}

.compose-toolbar span {
  height: 18px;
  border-radius: 999px;
  background: rgba(75, 95, 130, 0.24);
}

.profile-head {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 16px;
  align-items: center;
}

.profile-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: linear-gradient(135deg, #101820 0%, #e2a900 100%);
  box-shadow: inset 0 0 0 6px rgba(255, 255, 255, 0.5);
}

.profile-meta {
  display: grid;
  gap: 8px;
}

.profile-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.profile-pill {
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 700;
}

.profile-pill.warm {
  color: #f08a24;
  background: rgba(240, 138, 36, 0.12);
}

.profile-pill.green {
  color: #2daa58;
  background: rgba(45, 170, 88, 0.12);
}

.profile-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
}

.stat-dot,
.stat-pin {
  display: inline-block;
  border-radius: 50%;
}

.stat-dot {
  width: 16px;
  height: 16px;
}

.amber { background: #ffbe4f; }
.soft { background: #d7dce6; }
.brown { background: #c65514; }

.stat-pin {
  width: 30px;
  height: 30px;
  margin-left: auto;
  background: linear-gradient(135deg, #f0a34c 0%, #d87b25 100%);
}

.profile-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 18px 0;
  padding: 8px;
  border-radius: 22px;
  background: rgba(229, 236, 246, 0.88);
}

.profile-tab {
  padding: 12px 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.84rem;
  font-weight: 700;
}

.profile-tab.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.92);
}

.profile-thumb {
  background: linear-gradient(135deg, #23201a 0%, #e0a114 100%);
}

.section {
  padding: 84px 0 0;
}

.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.section-heading h2 {
  max-width: 12ch;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.feature-grid,
.experience-grid {
  display: grid;
  gap: 18px;
}

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

.feature-card,
.experience-card,
.contact-panel,
.policy-content section,
.policy-aside,
.faq-list details {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
}

.feature-card,
.experience-card,
.policy-content section,
.faq-list details {
  padding: 26px;
  border-radius: var(--radius-lg);
}

.feature-card h3,
.experience-card h3,
.contact-panel h2,
.policy-content h2 {
  margin: 0;
  letter-spacing: -0.03em;
}

.feature-card p,
.experience-card p,
.contact-panel p,
.policy-content p,
.policy-content li,
.faq-list p,
.policy-aside p {
  margin: 12px 0 0;
  color: var(--muted);
}

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

.kicker {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary-strong);
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-list details summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-list details summary::-webkit-details-marker {
  display: none;
}

.faq-list details[open] summary {
  margin-bottom: 10px;
}

.contact-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border-radius: var(--radius-xl);
}

.footer {
  display: grid;
  gap: 12px;
  padding: 72px 0 20px;
  color: var(--muted);
}

.footer-brand {
  margin-bottom: 10px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-meta {
  font-size: 0.92rem;
}

.policy-page {
  min-height: 100vh;
}

.policy-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 24px;
  padding-top: 20px;
}

.policy-aside {
  position: sticky;
  top: 104px;
  align-self: start;
  padding: 28px;
  border-radius: var(--radius-xl);
}

.policy-updated,
.policy-note {
  color: var(--muted);
}

.policy-content {
  display: grid;
  gap: 18px;
}

.policy-content ul {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

@media (max-width: 1080px) {
  .hero,
  .policy-layout,
  .feature-grid,
  .experience-grid,
  .trust-strip {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 18px;
    gap: 28px;
  }

  .policy-aside {
    position: static;
  }
}

@media (max-height: 900px) and (min-width: 1081px) {
  .hero {
    padding: 18px 0 24px;
    gap: 32px;
  }

  .hero-deck {
    height: 620px;
  }

  .phone-frame {
    width: min(360px, 100%);
  }

  .hero h1 {
    font-size: clamp(2.4rem, 5.2vw, 4.3rem);
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--content-width));
  }

  .topbar,
  .contact-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .topnav {
    width: 100%;
    justify-content: space-between;
    overflow-x: auto;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-title-sub {
    max-width: none;
  }

  .hero-copy {
    width: 100%;
  }

  .section {
    padding-top: 64px;
  }

  .phone-frame {
    width: min(332px, 100%);
    padding: 12px;
    border-radius: 32px;
  }

  .phone-body {
    padding: 13px;
    border-radius: 26px;
  }

  .hero-deck {
    width: min(332px, 100%);
    height: 580px;
  }

  .deck-card.is-next {
    transform: translate3d(16px, 14px, 0) scale(0.95) rotate(3deg);
  }

  .deck-card.is-back {
    transform: translate3d(28px, 26px, 0) scale(0.91) rotate(5deg);
  }

  .deck-caption {
    gap: 4px;
    min-height: 58px;
  }

  .deck-description {
    min-height: 3.4em;
    font-size: 0.88rem;
  }
}

@media (max-width: 560px) {
  .topbar {
    gap: 14px;
    padding: 16px 0;
  }

  .hero {
    padding: 14px 0 20px;
  }

  .hero h1 {
    font-size: clamp(2.1rem, 9vw, 3rem);
  }

  .hero-product {
    margin-bottom: 8px;
    font-size: 1.08rem;
  }

  .lead {
    font-size: 0.98rem;
  }

  .hero-notes {
    gap: 8px;
  }

  .hero-deck {
    width: min(296px, 100%);
    height: 520px;
  }

  .deck-card.is-next {
    transform: translate3d(10px, 10px, 0) scale(0.96) rotate(2deg);
  }

  .deck-card.is-back {
    transform: translate3d(18px, 18px, 0) scale(0.92) rotate(4deg);
  }

  .deck-description {
    max-width: 22ch;
    min-height: 3.2em;
  }
}