:root {
  color-scheme: light;
  font-family:
    "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue",
    sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color: #1c1917;
  background: #fcfbf9;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  --bg: #fcfbf9;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --line: rgba(42, 34, 24, 0.08);
  --line-soft: rgba(42, 34, 24, 0.05);
  --text: #1e1b18;
  --muted: #746e66;
  --muted-strong: #564f48;
  --accent: #c57b35;
  --accent-soft: #f3dfcd;
  --accent-soft-2: #fcf1e6;
  --shadow-soft: 0 24px 70px rgba(74, 53, 31, 0.06);
  --shadow-card: 0 20px 48px rgba(56, 42, 26, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  scroll-behavior: auto;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  overscroll-behavior-x: none;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top center, rgba(245, 232, 214, 0.2), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #ffffff 100%);
  color: var(--text);
}

body.is-modal-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

.landing-page {
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

.shell {
  width: min(100%, 1160px);
  margin: 0 auto;
  padding: 0 20px;
  max-width: 100%;
}

main,
section {
  max-width: 100%;
}

.narrow {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(42, 34, 24, 0.04);
  backdrop-filter: blur(10px);
}

@media (min-width: 901px) {
  .landing-page {
    padding-top: 58px;
  }

  .shell {
    width: min(100%, 1360px);
    padding: 0 24px;
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    box-shadow: 0 10px 24px rgba(74, 53, 31, 0.05);
  }

  .site-nav a,
  .nav-login {
    font-size: 12px;
  }

  .nav-register {
    min-height: 32px;
    padding: 0 16px;
    font-size: 12px;
  }

  .brand-name {
    font-size: 16px;
  }

  .eyebrow {
    min-height: 30px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 500px) minmax(0, 1fr);
    gap: 64px;
    min-height: 600px;
  }

  .hero-copy {
    max-width: 520px;
  }

  .hero-copy h1,
  .section-heading-block h2,
  .feature-copy-block h2 {
    font-size: clamp(50px, 5vw, 68px);
  }

  .hero-copy p,
  .section-heading-block p,
  .feature-copy-block p,
  .info-card p,
  .mail-card p,
  .timeline-body p,
  .footer-brand p {
    font-size: 16px;
    line-height: 1.82;
  }

  .hero-points li,
  .feature-list li,
  .footer-columns li {
    font-size: 12px;
  }

  .payment-item span,
  .step-card p,
  .info-card p,
  .mail-card p,
  .timeline-body p,
  .footer-columns li {
    font-size: 15px;
  }

  .payment-item strong,
  .step-card h3,
  .info-card h3,
  .mail-card h3,
  .timeline-body h3,
  .footer-columns h3 {
    font-size: 20px;
  }

  .hero-section,
  .feature-hub,
  .feature-section,
  .steps-section,
  .advanced-section,
  .architecture-section,
  .events-section,
  .site-footer {
    scroll-margin-top: 72px;
  }
}

.nav-shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 58px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  position: relative;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  border-radius: 7px;
  background:
    radial-gradient(circle at 28% 30%, #ffd56d 0 18%, transparent 19%),
    radial-gradient(circle at 70% 28%, #f78bb7 0 22%, transparent 23%),
    radial-gradient(circle at 72% 74%, #78a5ff 0 24%, transparent 25%),
    radial-gradient(circle at 28% 74%, #71dab0 0 20%, transparent 21%),
    linear-gradient(135deg, #fff1de 0%, #ffffff 100%);
  border: 1px solid rgba(42, 34, 24, 0.08);
  overflow: hidden;
}

.brand-mark::before,
.brand-mark::after,
.brand-mark-core::before,
.brand-mark-core::after {
  content: "";
  position: absolute;
  background: #70513e;
  border-radius: 999px;
}

.brand-mark::before {
  top: 10px;
  left: 3px;
  width: 15px;
  height: 2px;
  transform: rotate(38deg);
}

.brand-mark::after {
  top: 10px;
  left: 3px;
  width: 15px;
  height: 2px;
  transform: rotate(-38deg);
}

.brand-mark-core {
  position: absolute;
  inset: 0;
}

.brand-mark-core::before {
  top: 3px;
  left: 10px;
  width: 2px;
  height: 15px;
  transform: rotate(38deg);
}

.brand-mark-core::after {
  top: 3px;
  left: 10px;
  width: 2px;
  height: 15px;
  transform: rotate(-38deg);
}

.brand-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #171412;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
}

.site-nav a,
.nav-login {
  position: relative;
  font-size: 11px;
  font-weight: 600;
  color: #7c746d;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.nav-login:hover {
  color: #1f1b18;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-panel {
  display: contents;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 28px;
  height: 28px;
  border-radius: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.nav-toggle-bar {
  display: block;
  width: 12px;
  height: 1.5px;
  border-radius: 999px;
  background: #2a241d;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.nav-toggle-bar + .nav-toggle-bar {
  margin-top: 0;
}

.site-header.is-menu-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}

.site-header.is-menu-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.is-menu-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-4.5px) rotate(-45deg);
}

.nav-register {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, #dfb186 0%, #cf9156 100%);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  box-shadow: 0 10px 18px rgba(201, 138, 79, 0.16);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.nav-register:hover,
.button:hover,
.hero-tab:hover,
.shot-card:hover,
.preview-close:hover {
  transform: translateY(-1px);
}

.hero-section {
  position: relative;
  padding: 28px 0 22px;
}

.hero-halo {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}

.hero-halo-left {
  top: 32px;
  left: -120px;
  width: 280px;
  height: 280px;
  background: rgba(239, 209, 171, 0.12);
}

.hero-halo-right {
  top: 18px;
  right: -60px;
  width: 320px;
  height: 260px;
  background: rgba(251, 229, 202, 0.16);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 440px) minmax(0, 1fr);
  align-items: center;
  gap: 54px;
  min-height: 560px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 470px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--accent-soft-2);
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.03em;
  box-shadow: inset 0 0 0 1px rgba(197, 123, 53, 0.1);
}

.hero-copy h1,
.section-heading-block h2,
.feature-copy-block h2 {
  margin: 18px 0 0;
  font-size: clamp(40px, 6vw, 58px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.05em;
  color: #1b1714;
}

.text-highlight {
  display: inline-block;
  padding: 0 8px 3px;
  color: var(--accent);
  background: linear-gradient(180deg, rgba(253, 244, 236, 0.98) 0%, rgba(247, 229, 211, 0.96) 100%);
  box-shadow:
    inset 0 0 0 1px rgba(197, 123, 53, 0.05),
    0 12px 24px rgba(197, 123, 53, 0.06);
}

.hero-copy p,
.section-heading-block p,
.feature-copy-block p,
.info-card p,
.mail-card p,
.timeline-body p,
.footer-brand p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.button-primary {
  background: linear-gradient(180deg, #dcaa78 0%, #c98644 100%);
  color: #ffffff;
  box-shadow: 0 14px 28px rgba(197, 122, 52, 0.18);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.88);
  color: #1f1b18;
  box-shadow: inset 0 0 0 1px rgba(42, 34, 24, 0.08), 0 10px 22px rgba(74, 53, 31, 0.06);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 18px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}

.hero-points li::before,
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ddb184 0%, #cb8c52 100%);
}

.hero-visual {
  position: relative;
  min-height: 500px;
  width: 100%;
}

.hero-stack,
.hero-main-shot {
  position: absolute;
  border-radius: 24px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(42, 34, 24, 0.06);
  box-shadow: var(--shadow-card);
}

.hero-stack img,
.hero-main-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-stack {
  top: 78px;
  width: 220px;
  aspect-ratio: 1.85;
  opacity: 0.72;
  filter: saturate(0.95);
}

.hero-stack-left {
  left: 8px;
  transform: rotate(-7deg);
}

.hero-stack-right {
  right: 8px;
  transform: rotate(7deg);
}

.hero-main-shot {
  top: 62px;
  left: 50%;
  width: min(100%, 520px);
  aspect-ratio: 1.9;
  padding: 10px;
  transform: translateX(-50%);
}

.hero-main-shot img,
.shot-card img,
.preview-frame img {
  border-radius: 18px;
}

.hero-tabs {
  position: absolute;
  left: 50%;
  bottom: 14px;
  display: flex;
  gap: 8px;
  transform: translateX(-50%);
}

.hero-tab {
  min-height: 32px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(42, 34, 24, 0.07);
  color: #726c65;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(74, 53, 31, 0.06);
  transition:
    transform 0.2s ease,
    color 0.2s ease,
    background-color 0.2s ease;
}

.hero-tab.is-active {
  background: linear-gradient(180deg, #f7e7d7 0%, #f0d3b7 100%);
  color: var(--accent);
  box-shadow:
    inset 0 0 0 1px rgba(197, 123, 53, 0.08),
    0 10px 22px rgba(197, 123, 53, 0.06);
}

.hero-scroll {
  margin-top: 24px;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #9d958c;
}

.feature-hub {
  padding: 16px 0 24px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.feature-hub .shell {
  overflow: hidden;
}

.feature-caption {
  margin: 0 0 12px;
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(116, 110, 102, 0.58);
}

.feature-marquee {
  --feature-gap: 14px;
  display: flex;
  align-items: center;
  gap: var(--feature-gap);
  width: max-content;
  min-width: 100%;
  animation: feature-marquee 24s linear infinite;
}

.feature-marquee:hover {
  animation-play-state: paused;
}

.feature-strip {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-start;
  gap: 10px var(--feature-gap);
  flex: 0 0 auto;
}

.feature-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(42, 34, 24, 0.06);
  box-shadow: 0 10px 24px rgba(74, 53, 31, 0.04);
  font-size: 12px;
  font-weight: 700;
  color: #645d56;
  white-space: nowrap;
}

@keyframes feature-marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(calc(-50% - (var(--feature-gap) / 2)));
  }
}

@media (prefers-reduced-motion: reduce) {
  .feature-marquee {
    width: 100%;
    min-width: 0;
    overflow-x: auto;
    animation: none;
    scrollbar-width: none;
  }

  .feature-marquee::-webkit-scrollbar {
    display: none;
  }
}

.feature-section,
.advanced-section,
.architecture-section,
.events-section {
  padding: 42px 0 0;
}

.feature-row,
.payment-section {
  display: grid;
  grid-template-columns: minmax(0, 430px) minmax(0, 1fr);
  align-items: center;
  gap: 52px;
}

.feature-row + .feature-row {
  margin-top: 70px;
}

.feature-row.is-reverse {
  grid-template-columns: minmax(0, 1fr) minmax(0, 430px);
}

.feature-row.is-reverse .feature-copy-block {
  order: 2;
}

.feature-row.is-reverse .feature-shot {
  order: 1;
}

.feature-copy-block,
.feature-shot,
.timeline-copy,
.timeline-list {
  min-width: 0;
  width: 100%;
}

.timeline-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 28px;
}

.timeline-section .timeline-copy {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.timeline-section .timeline-copy p {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.timeline-section .timeline-copy .text-link {
  justify-content: center;
}

.feature-copy-block h2,
.section-heading-block h2 {
  font-size: clamp(34px, 4vw, 52px);
}

.feature-copy-block p,
.section-heading-block p {
  max-width: 560px;
}

.feature-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.feature-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.feature-shot {
  position: relative;
}

.shot-card,
.payment-card,
.info-card,
.mail-card,
.timeline-list,
.preview-dialog,
.site-footer {
  border: 1px solid rgba(42, 34, 24, 0.06);
  box-shadow: var(--shadow-soft);
}

.shot-card {
  display: block;
  width: 100%;
  padding: 12px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(249, 248, 245, 0.96) 100%);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.payment-section {
  margin-top: 84px;
}

.payment-card {
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(249, 248, 245, 0.96) 100%);
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.payment-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 14px;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(42, 34, 24, 0.06);
}

.payment-item strong,
.step-card h3,
.info-card h3,
.mail-card h3,
.timeline-body h3,
.footer-columns h3 {
  font-size: 18px;
  line-height: 1.25;
  font-weight: 800;
  color: #1d1916;
}

.payment-item span,
.step-card p,
.info-card p,
.mail-card p,
.timeline-body p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.payment-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.payment-stats strong {
  display: block;
  font-size: 30px;
  font-weight: 900;
  color: #1d1916;
}

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

.section-heading-block {
  text-align: center;
  padding: 26px 0 10px;
}

.section-heading-block p {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.steps-section {
  margin-top: 54px;
  padding: 54px 0 60px;
  background: linear-gradient(180deg, #faf6f1 0%, #fdfbf8 100%);
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.step-card {
  padding: 22px 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(42, 34, 24, 0.06);
  box-shadow: 0 18px 40px rgba(74, 53, 31, 0.05);
}

.step-icon,
.info-card-icon,
.mail-card-icon {
  display: inline-flex;
  width: 26px;
  height: 26px;
  margin-bottom: 16px;
  border-radius: 9px;
  background: linear-gradient(180deg, rgba(213, 160, 106, 0.2) 0%, rgba(242, 225, 208, 0.72) 100%);
  box-shadow: inset 0 0 0 1px rgba(201, 138, 79, 0.12);
}

.advanced-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.info-card {
  padding: 22px 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.95);
}

.architecture-section .section-heading-block {
  padding-top: 72px;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.info-card-large h3 {
  font-size: 32px;
  letter-spacing: -0.03em;
}

.events-section {
  padding-bottom: 50px;
}

.mail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.mail-card {
  padding: 20px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
}

.timeline-section {
  margin-top: 82px;
  align-items: start;
}

.timeline-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 16px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(249, 248, 245, 0.96) 100%);
}

.timeline-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
  padding: 20px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: inset 0 0 0 1px rgba(42, 34, 24, 0.06);
}

.timeline-item + .timeline-item {
  border-top: 0;
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.timeline-date {
  font-size: 12px;
  color: #8b847c;
}

.timeline-tag {
  display: inline-flex;
  width: fit-content;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft-2);
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}

.site-footer {
  margin: 16px 20px 20px;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 246, 243, 0.96) 100%);
}

.footer-shell {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 760px);
  justify-content: center;
  align-items: start;
  gap: 48px;
  padding: 38px 20px 32px;
}

.footer-brand p {
  max-width: 240px;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  width: 100%;
}

.footer-columns h3 {
  margin: 0 0 12px;
  font-size: 14px;
}

.footer-columns ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-columns li {
  font-size: 13px;
  color: var(--muted);
}

.footer-columns a {
  color: inherit;
  transition: color 0.2s ease;
}

.footer-columns a:hover {
  color: var(--muted-strong);
}

.preview-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
}

.preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 13, 10, 0.58);
  backdrop-filter: blur(6px);
}

.preview-dialog {
  position: relative;
  z-index: 1;
  width: min(100% - 28px, 980px);
  margin: 36px auto;
  padding: 14px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.98);
}

.preview-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(20, 17, 14, 0.82);
  color: #ffffff;
  font-size: 20px;
  line-height: 1;
}

.preview-frame {
  border-radius: 22px;
  overflow: hidden;
}

.preview-frame img {
  width: 100%;
}

@media (max-width: 1100px) {
  .feature-row,
  .payment-section,
  .timeline-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .feature-row.is-reverse .feature-copy-block,
  .feature-row.is-reverse .feature-shot,
  .timeline-section .timeline-copy,
  .timeline-section .timeline-list {
    order: initial;
  }

  .timeline-section .timeline-copy {
    max-width: none;
    margin: 0;
    text-align: left;
  }

  .timeline-section .timeline-copy p {
    margin-left: 0;
    margin-right: 0;
  }

  .timeline-section .timeline-copy .text-link {
    justify-content: flex-start;
  }

  .timeline-list {
    max-width: none;
    grid-template-columns: 1fr;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 410px) minmax(0, 1fr);
    gap: 34px;
    min-height: 500px;
  }

  .hero-copy h1 {
    max-width: 11ch;
  }

  .hero-visual {
    min-height: 420px;
  }

  .hero-stack {
    width: 176px;
  }

  .hero-main-shot {
    width: min(100%, 450px);
  }

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

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

@media (max-width: 900px) {
  .nav-shell {
    grid-template-columns: auto auto;
    align-items: center;
    justify-content: space-between;
    min-height: auto;
    gap: 12px 16px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: center;
    flex-wrap: wrap;
    overflow: visible;
    gap: 10px 18px;
    padding-bottom: 0;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .nav-actions {
    justify-self: end;
  }

  .hero-section {
    padding-top: 20px;
    padding-bottom: 18px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 24px;
    min-height: auto;
  }

  .hero-copy {
    max-width: 560px;
    margin: 0 auto;
    align-items: center;
    text-align: center;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-copy p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions,
  .hero-points {
    justify-content: center;
  }

  .hero-visual {
    width: min(100%, 560px);
    min-height: 350px;
    margin: 0 auto;
  }

  .hero-stack {
    top: 62px;
    width: 146px;
  }

  .hero-main-shot {
    top: 42px;
    width: min(100%, 400px);
  }

  .hero-tabs {
    bottom: 6px;
  }

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

  .timeline-item {
    grid-template-columns: 96px 1fr;
  }

  .footer-shell {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 640px) {
  .landing-page {
    padding-top: 66px;
  }

  .shell {
    padding: 0 16px;
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 24px rgba(74, 53, 31, 0.06);
  }

  .nav-shell {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    min-height: 64px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .nav-toggle {
    display: inline-flex;
    justify-self: end;
    width: 28px;
    height: 28px;
  }

  .nav-panel {
    grid-column: 1 / -1;
    display: none;
    padding-top: 8px;
  }

  .site-header.is-menu-open .nav-panel {
    display: block;
  }

  .hero-section,
  .feature-hub,
  .feature-section,
  .steps-section,
  .advanced-section,
  .architecture-section,
  .events-section,
  .site-footer {
    scroll-margin-top: 78px;
  }

  .nav-actions {
    display: none;
  }

  .site-nav {
    display: grid;
    gap: 8px;
    justify-content: stretch;
    width: 100%;
    min-width: 0;
    padding: 10px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow:
      0 14px 32px rgba(74, 53, 31, 0.08),
      inset 0 0 0 1px rgba(42, 34, 24, 0.05);
  }

  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 40px;
    padding: 0 12px;
    border-radius: 12px;
    background: rgba(250, 247, 243, 0.92);
  }

  .brand-mark {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
    border-radius: 9px;
  }

  .brand-mark::before,
  .brand-mark::after {
    top: 12px;
    left: 4px;
    width: 18px;
  }

  .brand-mark-core::before,
  .brand-mark-core::after {
    left: 12px;
    height: 18px;
  }

  .brand-name {
    font-size: 15px;
    font-weight: 800;
  }

  .site-nav a,
  .nav-login {
    font-size: 11px;
  }

  .nav-register {
    min-height: 32px;
    padding: 0 12px;
    font-size: 10px;
  }

  .hero-section {
    padding-top: 12px;
    padding-bottom: 8px;
  }

  .hero-layout {
    gap: 18px;
  }

  .eyebrow {
    min-height: 32px;
    padding: 0 14px;
    font-size: 12px;
  }

  .hero-copy h1,
  .section-heading-block h2,
  .feature-copy-block h2 {
    margin-top: 16px;
    font-size: 31px;
    line-height: 1.05;
    letter-spacing: -0.05em;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-copy p,
  .section-heading-block p,
  .feature-copy-block p,
  .info-card p,
  .mail-card p,
  .timeline-body p,
  .footer-brand p {
    font-size: 14px;
  }

  .hero-copy {
    max-width: none;
    margin: 0;
    align-items: flex-start;
    text-align: left;
  }

  .text-highlight {
    color: #1b1714;
    padding: 1px 8px 4px;
    background: linear-gradient(180deg, rgba(253, 244, 236, 0.98) 0%, rgba(247, 229, 211, 0.96) 100%);
    box-shadow:
      inset 0 0 0 1px rgba(197, 123, 53, 0.04),
      0 8px 18px rgba(197, 123, 53, 0.05);
  }

  .hero-copy p {
    max-width: none;
    margin-top: 16px;
    margin-left: 0;
    margin-right: 0;
    line-height: 1.78;
  }

  .hero-actions {
    width: 100%;
    flex-direction: row;
    align-items: stretch;
    flex-wrap: nowrap;
    gap: 12px;
    margin-top: 22px;
  }

  .hero-actions .button {
    width: auto;
    flex: 0 0 auto;
    font-size: 12px;
  }

  .hero-actions .button-primary {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 50px;
    padding: 0 22px;
    background: linear-gradient(180deg, #d7904e 0%, #c2742e 100%);
    box-shadow: 0 14px 26px rgba(197, 122, 52, 0.24);
  }

  .hero-actions .button-secondary {
    min-height: 50px;
    padding: 0 26px;
    border: 1px solid rgba(42, 34, 24, 0.1);
    box-shadow: 0 8px 18px rgba(74, 53, 31, 0.04);
  }

  .hero-points {
    gap: 10px 16px;
    margin-top: 18px;
    justify-content: flex-start;
  }

  .hero-points li {
    padding-left: 18px;
    font-size: 11px;
    font-weight: 600;
  }

  .hero-points li::before {
    content: "";
    top: 7px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(180deg, #ddb184 0%, #cb8c52 100%);
  }

  .hero-visual {
    width: 100%;
    min-height: 260px;
    margin-top: 8px;
  }

  .hero-stack {
    width: 78px;
    top: 42px;
    border-radius: 18px;
    opacity: 0.42;
  }

  .hero-main-shot {
    top: 18px;
    width: min(100%, 320px);
    padding: 6px;
    border-radius: 18px;
  }

  .hero-main-shot img,
  .shot-card img,
  .preview-frame img {
    border-radius: 12px;
  }

  .hero-tabs {
    position: absolute;
    left: 50%;
    bottom: -8px;
    gap: 6px;
    transform: translateX(-50%);
  }

  .hero-tab {
    min-height: 26px;
    padding: 0 9px;
    font-size: 10px;
  }

  .hero-scroll {
    display: none;
  }

  .feature-strip {
    justify-content: flex-start;
  }

  .feature-caption {
    margin-bottom: 10px;
    font-size: 11px;
    letter-spacing: 0.1em;
  }

  .feature-marquee {
    --feature-gap: 12px;
    animation-duration: 20s;
  }

  .feature-pill {
    min-height: 30px;
    padding: 0 12px;
    font-size: 11px;
  }

  .shot-card,
  .payment-card,
  .info-card,
  .mail-card,
  .timeline-list,
  .preview-dialog,
  .site-footer,
  .step-card {
    border-radius: 20px;
  }

  .payment-grid,
  .payment-stats,
  .step-grid,
  .advanced-grid,
  .architecture-grid,
  .mail-grid {
    grid-template-columns: 1fr;
  }

  .showcase-thumb,
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .payment-card,
  .step-card,
  .info-card,
  .mail-card,
  .timeline-list {
    padding: 16px 14px;
  }

  .payment-item {
    padding: 13px 12px;
    border-radius: 14px;
  }

  .payment-item strong,
  .step-card h3,
  .info-card h3,
  .mail-card h3,
  .timeline-body h3 {
    margin: 8px 0 0;
    font-size: 15px;
    line-height: 1.28;
  }

  .info-card-large h3 {
    font-size: 15px;
    letter-spacing: -0.02em;
  }

  .payment-item span,
  .step-card p,
  .info-card p,
  .mail-card p,
  .timeline-body p,
  .footer-columns li {
    margin: 6px 0 0;
    font-size: 12px;
    line-height: 1.6;
  }

  .step-icon,
  .info-card-icon,
  .mail-card-icon {
    width: 16px;
    height: 16px;
    margin-bottom: 8px;
    border-radius: 6px;
  }

  .advanced-grid,
  .architecture-grid,
  .mail-grid,
  .step-grid {
    gap: 12px;
    margin-top: 20px;
  }

  .payment-stats {
    gap: 10px;
    margin-top: 14px;
    padding-top: 12px;
  }

  .payment-stats strong {
    font-size: 22px;
    line-height: 1.05;
  }

  .payment-stats span {
    display: block;
    margin-top: 4px;
  }

  .feature-row + .feature-row {
    margin-top: 40px;
  }

  .feature-row,
  .payment-section,
  .timeline-section,
  .feature-copy-block,
  .feature-shot,
  .timeline-copy,
  .timeline-list {
    width: 100%;
    min-width: 0;
  }

  .feature-row,
  .payment-section,
  .timeline-section {
    display: block;
  }

  .feature-copy-block,
  .timeline-copy {
    text-align: left;
  }

  .feature-copy-block h2,
  .feature-copy-block p,
  .feature-list,
  .feature-list li,
  .feature-copy-block .eyebrow,
  .text-link,
  .timeline-copy h2,
  .timeline-copy p {
    writing-mode: horizontal-tb;
    max-width: none;
    width: 100%;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .feature-shot,
  .payment-card,
  .timeline-list {
    margin-top: 18px;
  }

  .timeline-section {
    margin-top: 36px;
  }

  .timeline-copy .text-link {
    display: inline-flex;
    width: auto;
    margin-top: 14px;
    padding: 0 12px;
    min-height: 30px;
    border-radius: 999px;
    background: rgba(255, 248, 241, 0.92);
    box-shadow: inset 0 0 0 1px rgba(201, 138, 79, 0.12);
    font-size: 11px;
  }

  .timeline-list {
    display: grid !important;
    grid-template-columns: none !important;
    grid-auto-flow: column !important;
    grid-auto-columns: minmax(240px, 82vw) !important;
    gap: 10px !important;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    padding: 10px !important;
    border-radius: 20px !important;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(250, 249, 246, 0.96) 100%);
    scrollbar-width: none;
  }

  .timeline-list::-webkit-scrollbar {
    display: none;
  }

  .timeline-item {
    position: relative;
    display: block !important;
    min-height: 100%;
    padding: 14px 12px 14px 18px !important;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: inset 0 0 0 1px rgba(42, 34, 24, 0.05);
    scroll-snap-align: start;
  }

  .timeline-item::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 18px;
    bottom: 18px;
    width: 2px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(212, 154, 94, 0.6) 0%, rgba(242, 225, 208, 0.15) 100%);
  }

  .timeline-item + .timeline-item {
    margin-top: 0;
    border-top: 0;
  }

  .timeline-meta {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
  }

  .timeline-date {
    font-size: 11px;
    letter-spacing: 0.01em;
  }

  .timeline-tag {
    min-height: 22px;
    padding: 0 8px;
    font-size: 10px;
  }

  .timeline-body h3 {
    margin-top: 0 !important;
  }

  .payment-section {
    margin-top: 44px;
  }

  .steps-section {
    margin-top: 28px;
    padding: 34px 0 36px;
  }

  .architecture-section .section-heading-block {
    padding-top: 34px;
  }

  .section-heading-block {
    padding-top: 14px;
  }

  .section-heading-block h2 {
    font-size: 21px;
    line-height: 1.16;
  }

  .section-heading-block p {
    margin-top: 10px;
    font-size: 11px;
    line-height: 1.55;
  }

  .footer-brand p {
    margin-top: 10px;
    max-width: none;
  }

  .footer-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }

  .footer-columns section + section {
    padding-top: 0 !important;
    border-top: 0 !important;
  }

  .footer-columns h3 {
    margin: 0 0 6px;
    font-size: 12px;
  }

  .footer-columns ul {
    gap: 6px;
  }

  .footer-columns li {
    margin-top: 0 !important;
    font-size: 11px !important;
    line-height: 1.5 !important;
  }

  .payment-card,
  .step-card,
  .info-card,
  .mail-card,
  .timeline-list {
    padding: 14px 12px !important;
    border-radius: 18px !important;
  }

  .payment-item {
    padding: 12px 10px !important;
    border-radius: 12px !important;
  }

  .payment-item strong,
  .step-card h3,
  .info-card h3,
  .mail-card h3,
  .timeline-body h3 {
    margin: 6px 0 0 !important;
    font-size: 13px !important;
    line-height: 1.24 !important;
  }

  .info-card-large h3 {
    font-size: 13px !important;
  }

  .payment-item span,
  .step-card p,
  .info-card p,
  .mail-card p,
  .timeline-body p,
  .footer-columns li,
  .footer-brand p,
  .section-heading-block p {
    margin-top: 6px !important;
    font-size: 11px !important;
    line-height: 1.5 !important;
  }

  .step-icon,
  .info-card-icon,
  .mail-card-icon {
    width: 14px !important;
    height: 14px !important;
    margin-bottom: 6px !important;
    border-radius: 5px !important;
  }

  .advanced-grid,
  .architecture-grid,
  .mail-grid,
  .step-grid {
    gap: 10px !important;
    margin-top: 16px !important;
  }

  .payment-stats {
    gap: 8px !important;
    margin-top: 12px !important;
    padding-top: 10px !important;
  }

  .payment-stats strong {
    font-size: 20px !important;
  }

  .feature-shot,
  .payment-card,
  .timeline-list {
    margin-top: 14px !important;
  }

  .payment-section {
    margin-top: 36px !important;
  }

  .steps-section {
    margin-top: 24px !important;
    padding: 28px 0 30px !important;
  }

  .architecture-section .section-heading-block {
    padding-top: 24px !important;
  }

  .section-heading-block {
    padding-top: 10px !important;
  }

  .section-heading-block h2 {
    font-size: 22px !important;
    line-height: 1.14 !important;
  }

  .footer-columns {
    gap: 12px !important;
  }

  .footer-columns section + section {
    padding-top: 10px !important;
  }

  .footer-columns h3 {
    margin-bottom: 6px !important;
    font-size: 12px !important;
  }

  .site-footer {
    margin: 12px 12px 14px !important;
    border-radius: 18px !important;
  }

  .footer-shell {
    gap: 14px !important;
    padding: 16px 12px 14px !important;
  }

  .preview-dialog {
    width: min(100% - 16px, 980px);
    padding: 10px;
    margin: 22px auto;
  }

  .preview-close {
    top: 6px;
    right: 6px;
    width: 30px;
    height: 30px;
    font-size: 18px;
  }

  .site-footer {
    margin: 14px 14px 16px;
    border-radius: 20px;
  }

  .footer-shell {
    gap: 18px;
    padding: 20px 14px 18px;
    justify-items: center;
  }

  .footer-brand {
    width: 100%;
    text-align: center;
  }

  .footer-brand .brand {
    justify-content: center;
  }

  .footer-brand p {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-columns {
    width: 100%;
    text-align: center;
  }

  .footer-columns section {
    justify-items: center;
  }

  .payment-grid,
  .step-grid,
  .advanced-grid,
  .architecture-grid,
  .mail-grid,
  .timeline-list {
    display: grid !important;
    grid-template-columns: none !important;
    grid-auto-flow: column !important;
    grid-auto-columns: minmax(220px, 78vw) !important;
    gap: 10px !important;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding-bottom: 4px;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
  }

  .is-auto-marquee-mobile {
    display: block !important;
    overflow: hidden !important;
    padding-bottom: 0 !important;
    scroll-snap-type: none !important;
    scroll-behavior: auto !important;
    touch-action: pan-y !important;
  }

  .is-auto-marquee-mobile .mobile-marquee-track {
    display: flex;
    align-items: stretch;
    gap: 10px;
    width: max-content;
    animation: mobile-card-marquee var(--mobile-marquee-duration, 22s) linear infinite;
    will-change: transform;
  }

  .is-auto-marquee-mobile > * {
    scroll-snap-align: none !important;
  }

  .is-auto-marquee-mobile .payment-item {
    flex: 0 0 min(180px, 64vw);
  }

  .is-auto-marquee-mobile .step-card,
  .is-auto-marquee-mobile .info-card,
  .is-auto-marquee-mobile .mail-card {
    flex: 0 0 min(220px, 78vw);
  }

  .is-auto-marquee-mobile .timeline-item {
    flex: 0 0 min(240px, 82vw);
  }

  .payment-grid::-webkit-scrollbar,
  .step-grid::-webkit-scrollbar,
  .advanced-grid::-webkit-scrollbar,
  .architecture-grid::-webkit-scrollbar,
  .mail-grid::-webkit-scrollbar,
  .timeline-list::-webkit-scrollbar {
    display: none;
  }

  .payment-item,
  .step-card,
  .info-card,
  .mail-card,
  .timeline-item {
    min-height: auto;
    scroll-snap-align: start;
  }

  .payment-stats {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }

  .footer-columns {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    align-items: start;
  }
}

@keyframes mobile-card-marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(calc(-50% - 5px));
  }
}