:root {
  --color-bg-page: #f8fafd;
  --color-bg-section: #f1f5f9;
  --color-bg-elevated: #ffffff;
  --color-bg-soft: #f7f7f7;
  --color-text-primary: #0c2243;
  --color-text-secondary: #39485d;
  --color-text-muted: #5a6d88;
  --color-border-subtle: #e5eaf1;
  --color-border-default: #d7dee9;
  --color-primary: #1183fb;
  --color-primary-foreground: #ffffff;
  --color-assist: #428bff;
  --color-accent: #428bff;
  --color-dark: #0c2243;
  --shadow-xs: 0 1px 1px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 16px 40px rgba(12, 34, 67, 0.12);
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text-primary);
  background:
    radial-gradient(circle at 12% 4%, rgba(17, 131, 251, 0.1), transparent 30rem),
    radial-gradient(circle at 86% 10%, rgba(235, 242, 249, 0.98), transparent 34rem),
    var(--color-bg-page);
  font-family:
    "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
}

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

img,
svg {
  max-width: 100%;
}

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.top-bar {
  background: #333333;
  color: #eef4fb;
  font-size: 13px;
}

.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 32px;
  gap: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
}

.navbar {
  border-bottom: 1px solid rgba(215, 222, 233, 0.82);
  background: rgba(245, 245, 245, 0.92);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

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

.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: white;
  background: linear-gradient(135deg, #1183fb, #145bcc);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
  letter-spacing: 0.02em;
}

.brand small {
  margin-top: 2px;
  color: var(--color-text-muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links > a:not(.button) {
  padding: 10px 14px;
  color: var(--color-text-secondary);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
}

.nav-links > a:not(.button):hover {
  color: var(--color-primary);
  background: #ffffff;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border-subtle);
  background: white;
  border-radius: 999px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-primary);
  border-radius: 999px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

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

.button--primary {
  color: var(--color-primary-foreground);
  background: linear-gradient(135deg, #1183fb, #145bcc);
  box-shadow: 0 12px 24px rgba(17, 131, 251, 0.24);
}

.button--secondary {
  color: #145bcc;
  background: #ffffff;
  border-color: var(--color-border-subtle);
}

.button--light {
  color: var(--color-primary);
  background: #ffffff;
}

.button--small {
  min-height: 36px;
  padding: 0 16px;
  font-size: 14px;
}

.button--large {
  min-height: 50px;
  padding: 0 26px;
  font-size: 16px;
}

.button--full {
  width: 100%;
}

.hero,
.product-hero {
  padding: 88px 0 64px;
}

.hero__grid,
.product-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #145bcc;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow--light {
  color: #d7eaff;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 20px;
  color: #0c2243;
  font-size: clamp(38px, 6vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.35;
}

p {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.65;
}

.hero__lead {
  max-width: 720px;
  margin-bottom: 28px;
  color: #2f4056;
  font-size: 19px;
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  color: #145bcc;
  background: #ebf2f9;
  border: 1px solid #dce8f8;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.pill--light {
  color: #145bcc;
  background: #dceeff;
  border-color: rgba(17, 131, 251, 0.22);
}

.hero-card,
.product-console {
  position: relative;
  overflow: hidden;
  padding: 24px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(229, 234, 241, 0.9);
  border-radius: 28px;
  box-shadow: 0 22px 60px rgba(12, 34, 67, 0.18);
}

.hero-card::before,
.product-console::before {
  position: absolute;
  inset: auto -60px -80px auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(17, 131, 251, 0.18), transparent 68%);
  content: "";
}

.hero-card__header,
.console-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 700;
}

.status-dot {
  width: 9px;
  height: 9px;
  background: #47a447;
  border-radius: 999px;
  box-shadow: 0 0 0 6px rgba(71, 164, 71, 0.12);
}

.launch-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 18px;
  padding: 24px;
  color: white;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), transparent),
    linear-gradient(135deg, #145bcc, #1183fb);
  border-radius: 22px;
}

.launch-card h2 {
  margin-bottom: 8px;
  color: white;
  font-size: 28px;
}

.launch-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.76);
}

.launch-card__label {
  color: #dceeff !important;
  font-size: 13px;
  font-weight: 800;
}

.launch-card a {
  position: relative;
  z-index: 1;
  color: #ffffff;
  font-weight: 800;
}

.service-stack {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.service-stack div {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: #fbfdff;
  border: 1px solid var(--color-border-subtle);
  border-radius: 16px;
}

.service-stack strong {
  color: #1183fb;
  font-size: 14px;
}

.service-stack span {
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: 600;
}

.section {
  padding: 84px 0;
}

.section--compact {
  padding: 28px 0 56px;
}

.section--soft {
  background: linear-gradient(180deg, rgba(241, 245, 249, 0.7), rgba(248, 250, 253, 0.9));
}

.section--dark {
  color: white;
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.18), transparent 26rem),
    linear-gradient(135deg, #145bcc, #0c4fb4);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.76);
}

.section--dark h2 {
  color: white;
}

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

.section-heading--center {
  margin: 0 auto 40px;
  text-align: center;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.metrics article,
.feature-card,
.pricing-card,
.contact-card,
.timeline article,
.faq-list details {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
}

.metrics article {
  padding: 22px;
}

.metrics strong {
  display: block;
  margin-bottom: 6px;
  color: #1183fb;
  font-size: 30px;
  line-height: 1.1;
}

.metrics span {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.5;
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 56px;
}

.product-panel {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 24px;
  padding: 28px;
  background: white;
  border: 1px solid var(--color-border-subtle);
  border-radius: 28px;
  box-shadow: var(--shadow-md);
}

.chat-window {
  display: grid;
  grid-template-columns: 72px 1fr;
  min-height: 260px;
  overflow: hidden;
  background: #edf4fb;
  border: 1px solid var(--color-border-subtle);
  border-radius: 22px;
}

.chat-window__sidebar {
  background:
    linear-gradient(#ffffff 0 0) center 28px / 36px 36px no-repeat,
    repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.34) 18px, transparent 18px, transparent 42px),
    #1183fb;
}

.chat-window__body {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 24px;
}

.chat-window__body > span {
  width: 68%;
  height: 12px;
  background: #dce8f5;
  border-radius: 999px;
}

.chat-window__body > span:nth-child(2) {
  width: 45%;
}

.chat-window__body > span:nth-child(3) {
  width: 56%;
}

.message,
.meeting-card {
  height: 46px;
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-xs);
}

.message--blue {
  margin-left: 32px;
  background: #dbeafe;
}

.meeting-card {
  height: 78px;
  background:
    linear-gradient(90deg, #ffffff 0 48%, transparent 48%),
    linear-gradient(135deg, rgba(17, 131, 251, 0.18), rgba(235, 242, 249, 0.94));
}

.product-panel__content p {
  margin: 14px 0 22px;
}

.card-grid {
  display: grid;
  gap: 18px;
}

.card-grid--four {
  grid-template-columns: repeat(4, 1fr);
}

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

.feature-card {
  padding: 24px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.feature-card p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 15px;
}

.icon-badge {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  color: #145bcc;
  background: #ebf3f9;
  border-radius: 16px;
  font-weight: 800;
}

.process-layout,
.fit-grid,
.faq-layout,
.about-grid,
.cta-band {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  align-items: start;
  gap: 56px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline article {
  padding: 22px;
}

.timeline span {
  display: inline-flex;
  margin-bottom: 10px;
  color: #1183fb;
  font-size: 13px;
  font-weight: 900;
}

.timeline p {
  margin-bottom: 0;
}

.about-grid {
  align-items: center;
}

.about-grid p {
  font-size: 17px;
}

.contact-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  padding: 36px;
  border-radius: 28px;
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--color-text-primary);
  font-size: 14px;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  color: var(--color-text-primary);
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  font: inherit;
  font-size: 14px;
  outline: none;
}

.contact-form textarea {
  min-height: 118px;
  padding-top: 14px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(22, 75, 122, 0.1);
}

.form-note,
.stripe-note {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.site-footer {
  padding: 56px 0;
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border-default);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 36px;
}

.footer-grid h3 {
  margin-bottom: 12px;
  font-size: 15px;
}

.footer-grid a,
.footer-grid span,
.footer-grid p {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.product-hero {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.48), rgba(248, 250, 253, 0)),
    radial-gradient(circle at 78% 20%, rgba(17, 131, 251, 0.1), transparent 28rem);
}

.console-top span {
  width: 10px;
  height: 10px;
  background: #d7dee9;
  border-radius: 999px;
}

.console-top strong {
  margin-left: auto;
  color: var(--color-text-primary);
}

.console-grid {
  display: grid;
  grid-template-columns: 86px 1fr;
  min-height: 360px;
  overflow: hidden;
  background: #f3f7fb;
  border: 1px solid var(--color-border-subtle);
  border-radius: 22px;
}

.console-sidebar {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 22px;
  background: #0b1b2f;
}

.console-sidebar span {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.13);
  border-radius: 15px;
}

.console-main {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 26px;
}

.console-message {
  width: 78%;
  height: 62px;
  background: white;
  border-radius: 18px;
  box-shadow: var(--shadow-xs);
}

.console-message--short {
  width: 55%;
  margin-left: auto;
  background: #dbeafe;
}

.console-meeting {
  display: grid;
  gap: 6px;
  padding: 20px;
  color: white;
  background: linear-gradient(135deg, #1183fb, #145bcc);
  border-radius: 20px;
}

.console-meeting span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.console-files {
  display: flex;
  gap: 10px;
}

.console-files span {
  flex: 1;
  padding: 16px 10px;
  color: var(--color-primary);
  background: white;
  border-radius: 16px;
  text-align: center;
  font-weight: 800;
}

.check-list {
  display: grid;
  gap: 14px;
}

.check-list p {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 0;
  padding: 18px;
  background: white;
  border: 1px solid var(--color-border-subtle);
  border-radius: 16px;
  font-weight: 600;
}

.check-list span {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  background:
    linear-gradient(135deg, #1183fb, #7db8ff);
  border-radius: 999px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
}

.pricing-card--featured {
  color: white;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.22), transparent 16rem),
    linear-gradient(135deg, #145bcc, #1183fb);
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

.pricing-card--featured p,
.pricing-card--featured li {
  color: rgba(255, 255, 255, 0.78);
}

.pricing-card--featured h3,
.pricing-card--featured .price {
  color: white;
}

.price {
  margin-bottom: 10px;
  color: var(--color-primary);
  font-size: 32px;
  font-weight: 900;
  line-height: 1.15;
}

.pricing-card ul {
  display: grid;
  gap: 10px;
  margin: 16px 0 24px;
  padding: 0;
  list-style: none;
}

.pricing-card li {
  color: var(--color-text-muted);
  font-size: 15px;
}

.pricing-card li::before {
  margin-right: 8px;
  color: #1183fb;
  content: "✓";
}

.pricing-card .button {
  margin-top: auto;
}

.stripe-note {
  margin-top: 18px;
  text-align: center;
}

.cta-band {
  align-items: center;
}

.cta-band .button {
  justify-self: end;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--color-text-primary);
  font-size: 18px;
  font-weight: 800;
}

.faq-list p {
  margin: 14px 0 0;
}

.reveal {
  animation: rise-in 680ms ease both;
}

.reveal--delay {
  animation-delay: 130ms;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero__grid,
  .product-hero__grid,
  .split,
  .process-layout,
  .fit-grid,
  .faq-layout,
  .about-grid,
  .cta-band,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .metrics,
  .card-grid--four,
  .card-grid--three,
  .pricing-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-band .button {
    justify-self: start;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .top-bar__inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 8px 0;
  }

  .navbar__inner {
    min-height: 64px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 1px);
    right: 14px;
    left: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    background: white;
    border: 1px solid var(--color-border-subtle);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links > a {
    justify-content: center;
  }

  .hero,
  .product-hero,
  .section {
    padding: 56px 0;
  }

  .section--compact {
    padding: 20px 0 42px;
  }

  .hero__grid,
  .product-hero__grid {
    gap: 32px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .button--large {
    width: 100%;
  }

  .metrics,
  .card-grid--four,
  .card-grid--three,
  .pricing-grid,
  .footer-grid,
  .product-panel {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .product-console,
  .contact-card {
    padding: 20px;
    border-radius: 22px;
  }

  .launch-card {
    grid-template-columns: 1fr;
  }

  .console-grid {
    grid-template-columns: 64px 1fr;
    min-height: 310px;
  }

  .console-sidebar {
    padding: 18px 12px;
  }

  .console-sidebar span {
    width: 38px;
    height: 38px;
  }
}