:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: #18231d;
  background: #f7f9f7;
  --ink: #18231d;
  --muted: #657069;
  --line: #d9e1dc;
  --surface: #ffffff;
  --surface-soft: #eef4f0;
  --green: #137a4b;
  --green-dark: #0c5b37;
  --mint: #bcead0;
  --yellow: #e7b94b;
  --blue: #3d78a8;
  --red: #b55246;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: #f7f9f7;
  color: var(--ink);
  line-height: 1.65;
}

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

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 9px 12px;
  background: #fff;
  color: #111;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(200px, 1fr) auto minmax(200px, 1fr);
  align-items: center;
  gap: 30px;
  padding: 12px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 760;
}

.brand img,
.footer-brand img {
  border-radius: 6px;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-header nav a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: #fff;
}

.header-action {
  justify-self: end;
  padding: 9px 15px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 5px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 680;
}

.hero {
  position: relative;
  min-height: min(780px, 88svh);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #11241b;
  color: #fff;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  object-fit: cover;
  object-position: center top;
  opacity: 0.66;
}

.hero-shade {
  background: rgba(7, 24, 16, 0.7);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 150px 0 52px;
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--green);
  font-size: 12px;
  font-weight: 760;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--mint);
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(48px, 7vw, 94px);
  line-height: 1.04;
  font-weight: 820;
}

.hero-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 5px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 720;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button-primary {
  border-color: #19a463;
  background: #19a463;
  color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
  border-color: #11814c;
  background: #11814c;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(6, 23, 15, 0.35);
  color: #fff;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: #fff;
  background: rgba(6, 23, 15, 0.7);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: 900px;
  margin: 52px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.hero-facts div {
  min-height: 84px;
  padding: 18px 24px 0 0;
}

.hero-facts div + div {
  padding-left: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-facts dt {
  color: var(--mint);
  font-size: 12px;
  font-weight: 740;
}

.hero-facts dd {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.capability-band,
.workspace-section,
.flow-section,
.security-section,
.closing-section {
  padding: 104px max(20px, calc((100vw - 1180px) / 2));
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.55fr);
  gap: 40px 80px;
  align-items: end;
}

.section-intro .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -26px;
}

h2 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.16;
}

.section-intro > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 64px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capability-grid article {
  min-height: 300px;
  padding: 28px 28px 34px 0;
}

.capability-grid article + article {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.capability-index {
  display: block;
  color: var(--green);
  font-size: 12px;
  font-weight: 760;
}

h3 {
  margin: 72px 0 12px;
  font-size: 21px;
  line-height: 1.3;
}

.capability-grid p,
.security-details p,
.flow-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.workspace-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.38fr) minmax(520px, 0.62fr);
  gap: clamp(54px, 7vw, 112px);
  align-items: center;
  background: #18231d;
  color: #fff;
}

.workspace-copy .eyebrow {
  color: var(--mint);
}

.workspace-copy h2 {
  font-size: clamp(34px, 4vw, 54px);
}

.workspace-copy > p:not(.eyebrow) {
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.workspace-copy ul {
  display: grid;
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.workspace-copy li {
  position: relative;
  padding-left: 22px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
}

.workspace-copy li::before {
  content: "";
  position: absolute;
  top: 0.66em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #42c984;
}

.product-figure {
  margin: 0;
}

.product-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  object-fit: cover;
  object-position: top left;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.product-figure figcaption {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

.flow-section {
  background: #fff;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 64px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.flow-list li {
  position: relative;
  min-height: 230px;
  padding: 28px 28px 30px 0;
}

.flow-list li + li {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.flow-list span {
  color: var(--green);
  font-size: 12px;
  font-weight: 760;
}

.flow-list strong {
  display: block;
  margin: 56px 0 10px;
  font-size: 18px;
}

.security-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.42fr) minmax(500px, 0.58fr);
  gap: 80px;
  background: var(--surface-soft);
}

.security-heading {
  position: sticky;
  top: 40px;
  align-self: start;
}

.security-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.security-details article {
  min-height: 220px;
  padding: 28px 26px 28px 0;
  border-bottom: 1px solid var(--line);
}

.security-details article:nth-child(even) {
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.security-details h3 {
  margin: 48px 0 10px;
  font-size: 19px;
}

.closing-section {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  background: #0f2a1e;
  color: #fff;
}

.closing-section .eyebrow {
  color: var(--mint);
}

.closing-section h2 {
  max-width: 850px;
}

.closing-section .button {
  margin-top: 32px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  min-height: 100px;
  padding: 24px max(20px, calc((100vw - 1180px) / 2));
  border-top: 1px solid #263c31;
  background: #0f2a1e;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

footer p {
  margin: 0;
}

footer p:last-child {
  justify-self: end;
}

.footer-brand {
  color: #fff;
}

@media (max-width: 960px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    padding-top: 130px;
  }

  .section-intro,
  .workspace-section,
  .security-section {
    grid-template-columns: 1fr;
  }

  .section-intro .eyebrow {
    margin-bottom: -20px;
  }

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

  .capability-grid article:nth-child(3),
  .flow-list li:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .capability-grid article:nth-child(4),
  .flow-list li:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .workspace-section {
    gap: 48px;
  }

  .security-heading {
    position: static;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 64px;
    padding: 10px 16px;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .brand span {
    font-size: 15px;
  }

  .header-action {
    padding: 8px 10px;
    font-size: 13px;
  }

  .hero {
    min-height: 760px;
    align-items: flex-end;
  }

  .hero-media {
    object-position: 28% top;
  }

  .hero-content {
    width: calc(100% - 32px);
    padding: 112px 0 28px;
  }

  h1 {
    font-size: 48px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .hero-actions {
    display: grid;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .hero-facts div {
    min-height: 62px;
    padding: 12px 0;
  }

  .hero-facts div + div {
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-left: 0;
  }

  .capability-band,
  .workspace-section,
  .flow-section,
  .security-section,
  .closing-section {
    padding: 74px 16px;
  }

  .section-intro {
    gap: 28px;
  }

  .section-intro .eyebrow {
    margin-bottom: -10px;
  }

  h2 {
    font-size: 34px;
  }

  .capability-grid,
  .flow-list,
  .security-details {
    grid-template-columns: 1fr;
  }

  .capability-grid article,
  .flow-list li {
    min-height: 220px;
  }

  .capability-grid article + article,
  .flow-list li + li,
  .capability-grid article:nth-child(3),
  .flow-list li:nth-child(3),
  .security-details article:nth-child(even) {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .security-details article {
    min-height: 180px;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 28px 16px;
  }

  footer p:last-child {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}