:root {
  --ink: #101828;
  --muted: #667085;
  --line: #e3eaf5;
  --blue: #3168f4;
  --blue-dark: #1949c9;
  --wash: #f5f8ff;
  --green: #16a34a;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(227, 234, 245, 0.8);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}
.nav-shell,
.section,
.site-footer {
  width: min(1200px, calc(100% - 48px));
  margin: auto;
}
.nav-shell {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand img {
  width: 38px;
  height: 38px;
  border-radius: 11px;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
  color: #475467;
  font-size: 14px;
  font-weight: 650;
}
.desktop-nav a:hover {
  color: var(--blue);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 10px;
}
.contact-entry {
  position: relative;
}
.contact-label-short {
  display: none;
}
.button.button-contact {
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: #475467;
  background: transparent;
  box-shadow: none;
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
  cursor: pointer;
}
.button.button-contact:hover,
.button.button-contact:focus-visible {
  color: var(--blue);
  background: transparent;
  transform: none;
}
.contact-popover {
  position: absolute;
  right: 0;
  top: calc(100% + 14px);
  width: 280px;
  padding: 18px;
  border: 1px solid #d9e4f3;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 24px 60px rgba(22, 48, 92, 0.22);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0.18s;
  pointer-events: none;
  text-align: center;
}
.contact-popover::before {
  content: "";
  position: absolute;
  right: 32px;
  top: -7px;
  width: 12px;
  height: 12px;
  border-left: 1px solid #d9e4f3;
  border-top: 1px solid #d9e4f3;
  background: #fff;
  transform: rotate(45deg);
}
.contact-popover strong,
.contact-popover span {
  display: block;
}
.contact-popover strong {
  font-size: 17px;
}
.contact-popover span {
  margin: 5px 0 13px;
  color: #667085;
  font-size: 12px;
  line-height: 1.6;
}
.contact-popover img {
  display: block;
  width: 238px;
  height: 238px;
  margin: auto;
  border-radius: 12px;
  object-fit: contain;
}
.contact-entry:hover .contact-popover,
.contact-entry:focus-within .contact-popover,
.contact-entry.is-open .contact-popover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 750;
  transition: 0.2s ease;
}
.button:hover {
  transform: translateY(-1px);
}
.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #2359de);
  box-shadow: 0 10px 24px rgba(49, 104, 244, 0.22);
}
.button-primary:hover {
  background: linear-gradient(135deg, #3c73ff, var(--blue-dark));
}
.button-ghost {
  border-color: var(--line);
  background: #fff;
}
.button-light {
  border-color: #d5e0f2;
  background: #fff;
  color: #29425f;
}
.button-large {
  min-height: 50px;
  padding: 0 27px;
  border-radius: 12px;
}
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(380px, 0.78fr) minmax(560px, 1.22fr);
  gap: 54px;
  align-items: center;
  min-height: 720px;
  padding: 82px max(40px, calc((100vw - 1200px) / 2)) 96px;
  background: linear-gradient(180deg, #fbfdff 0%, #f4f8ff 100%);
}
.hero-glow {
  position: absolute;
  z-index: -1;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.75;
}
.hero-glow-one {
  width: 460px;
  height: 460px;
  right: 4%;
  top: 60px;
  background: radial-gradient(
    circle,
    rgba(88, 170, 255, 0.24),
    transparent 68%
  );
}
.hero-glow-two {
  width: 360px;
  height: 360px;
  left: -100px;
  bottom: -160px;
  background: radial-gradient(circle, rgba(92, 74, 255, 0.15), transparent 68%);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  color: #315fc5;
  background: #edf3ff;
  border: 1px solid #dce8ff;
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.hero h1 {
  margin: 24px 0 22px;
  font-size: clamp(46px, 5vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.055em;
}
.hero h1 span {
  color: var(--blue);
}
.hero-copy > p {
  max-width: 640px;
  margin: 0;
  color: #56677e;
  font-size: 18px;
  line-height: 1.85;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}
.hero-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  color: #7a899d;
  font-size: 13px;
}
.hero-note span {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: #22c55e;
  box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.12);
}
.hero-visual {
  overflow: hidden;
  border: 1px solid rgba(157, 181, 224, 0.5);
  border-radius: 18px;
  background: #fff;
  box-shadow:
    0 34px 80px rgba(28, 68, 140, 0.18),
    0 5px 18px rgba(28, 68, 140, 0.08);
  transform: perspective(1400px) rotateY(-2deg);
}
.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  object-position: top;
}
.window-bar {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  border-bottom: 1px solid #edf1f7;
  color: #8b98aa;
  font-size: 11px;
}
.window-bar i {
  width: 9px;
  height: 9px;
  border-radius: 99px;
  background: #ff6b67;
}
.window-bar i:nth-child(2) {
  background: #ffbd45;
}
.window-bar i:nth-child(3) {
  background: #34c759;
}
.window-bar span {
  margin-left: 6px;
}
.trust-strip {
  position: relative;
  z-index: 2;
  width: min(1040px, calc(100% - 48px));
  margin: -43px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(27, 60, 113, 0.1);
}
.trust-strip div {
  padding: 24px 30px;
}
.trust-strip div + div {
  border-left: 1px solid var(--line);
}
.trust-strip strong,
.trust-strip span {
  display: block;
}
.trust-strip strong {
  font-size: 17px;
}
.trust-strip span {
  margin-top: 2px;
  color: #7c899d;
  font-size: 13px;
}
.section {
  padding: 110px 0;
}
.section-heading {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-heading h2,
.download-section h2 {
  margin: 18px 0 12px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}
.section-heading p,
.download-section p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature-grid article {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, #fff, #fbfcff);
  box-shadow: 0 12px 32px rgba(30, 64, 120, 0.06);
  transition: 0.25s ease;
}
.feature-grid article:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 45px rgba(30, 64, 120, 0.11);
}
.feature-grid h3 {
  margin: 24px 0 10px;
  font-size: 19px;
}
.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  font-weight: 900;
}
.icon-blue {
  color: #3168f4;
  background: #edf3ff;
}
.icon-cyan {
  color: #0786b5;
  background: #e8f8fe;
}
.icon-purple {
  color: #7655e8;
  background: #f1edff;
}
.icon-green {
  color: #159447;
  background: #eaf8ef;
}
.product-showcase {
  padding-top: 40px;
}
.showcase-row {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 64px;
  align-items: center;
  padding: 70px 0;
}
.showcase-row.reverse {
  grid-template-columns: 1.28fr 0.72fr;
}
.showcase-row.reverse .showcase-copy {
  order: 2;
}
.showcase-copy .step {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: #fff;
  background: var(--blue);
  font-size: 13px;
  font-weight: 850;
}
.showcase-copy h2 {
  margin: 20px 0 14px;
  font-size: 36px;
  line-height: 1.25;
  letter-spacing: -0.03em;
}
.showcase-copy p {
  margin: 0;
  color: var(--muted);
}
.showcase-copy ul {
  display: grid;
  gap: 9px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  color: #344054;
  font-weight: 650;
}
.showcase-copy li:before {
  content: "✓";
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-right: 9px;
  border-radius: 99px;
  color: #fff;
  background: var(--green);
  font-size: 11px;
}
.product-shot {
  display: block;
  overflow: hidden;
  padding: 0;
  border: 1px solid #dbe5f4;
  border-radius: 20px;
  background: #edf3fb;
  box-shadow: 0 24px 54px rgba(31, 65, 124, 0.14);
  cursor: zoom-in;
  transition: 0.25s ease;
}
.product-shot:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 62px rgba(31, 65, 124, 0.19);
}
.product-shot img {
  display: block;
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  object-position: top;
}
.download-section {
  width: min(1200px, calc(100% - 48px));
  margin: 30px auto 100px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 56px;
  align-items: center;
  padding: 58px 64px;
  border-radius: 28px;
  color: #fff;
  background: radial-gradient(
      circle at 88% 20%,
      rgba(56, 189, 248, 0.28),
      transparent 28%
    ),
    linear-gradient(135deg, #10215a, #2357b7 62%, #047f9a);
  box-shadow: 0 28px 70px rgba(19, 57, 126, 0.22);
}
.download-section .eyebrow {
  color: #dbeafe;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
}
.download-section p {
  color: #d3def1;
}
.download-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  min-width: 390px;
}
.download-actions .button-light {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.register-link {
  grid-column: 1/-1;
  text-align: center;
  color: #dbeafe;
  font-size: 13px;
}
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
}
.site-footer p {
  margin: 5px 0 0;
  color: #8a97a9;
  font-size: 13px;
}
.footer-links {
  display: flex;
  gap: 28px;
  color: #667085;
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--blue);
}
.image-dialog {
  width: min(1400px, 94vw);
  max-width: none;
  padding: 0;
  border: 0;
  border-radius: 18px;
  background: #0b1220;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.45);
}
.image-dialog::backdrop {
  background: rgba(4, 10, 24, 0.82);
  backdrop-filter: blur(8px);
}
.image-dialog img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}
.image-dialog button {
  position: absolute;
  right: 14px;
  top: 12px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 99px;
  color: #fff;
  background: rgba(4, 10, 24, 0.65);
  font-size: 24px;
  cursor: pointer;
}
@media (max-width: 1020px) {
  .desktop-nav {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 72px;
  }
  .hero-copy {
    text-align: center;
  }
  .hero-copy > p {
    margin: auto;
  }
  .hero-actions,
  .hero-note {
    justify-content: center;
  }
  .hero-visual {
    max-width: 880px;
    margin: auto;
    transform: none;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .showcase-row,
  .showcase-row.reverse {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .showcase-row.reverse .showcase-copy {
    order: 0;
  }
  .showcase-copy {
    max-width: 720px;
  }
  .download-section {
    grid-template-columns: 1fr;
  }
  .download-actions {
    min-width: 0;
    max-width: 540px;
  }
}
@media (max-width: 680px) {
  .nav-shell,
  .section,
  .site-footer {
    width: min(100% - 28px, 1200px);
  }
  .nav-shell {
    height: 64px;
  }
  .nav-actions {
    gap: 6px;
    margin-left: auto;
  }
  .nav-actions .button-ghost {
    display: none;
  }
  .contact-label-full {
    display: none;
  }
  .contact-label-short {
    display: inline;
  }
  .button.button-contact {
    padding: 0 13px;
  }
  .contact-popover {
    position: fixed;
    left: 14px;
    right: 14px;
    top: 72px;
    width: auto;
  }
  .contact-popover::before {
    right: 148px;
  }
  .brand {
    font-size: 17px;
  }
  .brand img {
    width: 34px;
    height: 34px;
  }
  .button {
    padding: 0 16px;
  }
  .hero {
    min-height: 0;
    padding: 64px 18px 78px;
  }
  .hero h1 {
    font-size: 42px;
  }
  .hero-copy > p {
    font-size: 16px;
  }
  .hero-actions {
    display: grid;
  }
  .hero-visual {
    border-radius: 12px;
  }
  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
    margin-top: -30px;
  }
  .trust-strip div {
    padding: 18px;
  }
  .trust-strip div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .trust-strip div:nth-child(4) {
    border-top: 1px solid var(--line);
  }
  .section {
    padding: 82px 0;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-grid article {
    min-height: 0;
  }
  .showcase-row {
    padding: 46px 0;
  }
  .showcase-copy h2 {
    font-size: 29px;
  }
  .product-shot {
    border-radius: 13px;
  }
  .download-section {
    width: calc(100% - 28px);
    margin-bottom: 60px;
    padding: 38px 22px;
    border-radius: 22px;
  }
  .download-actions {
    grid-template-columns: 1fr;
  }
  .register-link {
    grid-column: auto;
  }
  .site-footer {
    align-items: flex-start;
    gap: 30px;
    flex-direction: column;
  }
  .footer-links {
    gap: 18px;
    flex-wrap: wrap;
  }
}
