:root {
  --ink: #151719;
  --graphite: #262c32;
  --muted: #687177;
  --soft: #8a928c;
  --paper: #f4efe6;
  --paper-2: #ebe3d6;
  --white: #fffdf8;
  --green: #276b5b;
  --green-2: #3b8a73;
  --cyan: #2d7f88;
  --coral: #c95f4b;
  --gold: #b98d3b;
  --line: rgba(21, 23, 25, 0.14);
  --line-dark: rgba(255, 253, 248, 0.18);
  --shadow: 0 24px 80px rgba(27, 31, 34, 0.16);
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
}

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

img {
  max-width: 100%;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  height: 76px;
  padding: 0 48px;
  border-bottom: 1px solid rgba(244, 239, 230, 0.18);
  color: var(--white);
  background: rgba(15, 18, 19, 0.62);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.hero-status,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 253, 248, 0.58);
  background: rgba(255, 253, 248, 0.12);
  color: var(--white);
  font-weight: 900;
}

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

.nav-links {
  justify-content: center;
  gap: 34px;
  color: rgba(255, 253, 248, 0.74);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--white);
}

.header-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 750;
  white-space: nowrap;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.header-cta,
.primary-button {
  background: var(--white);
  color: var(--ink);
}

.secondary-button {
  border-color: rgba(255, 253, 248, 0.42);
  background: rgba(255, 253, 248, 0.08);
  color: var(--white);
}

.header-cta:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.header-cta:hover,
.primary-button:hover {
  background: #f1d89e;
}

.secondary-button:hover {
  border-color: rgba(255, 253, 248, 0.8);
}

.hero {
  position: relative;
  min-height: 86vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 128px 48px 72px;
  color: var(--white);
}

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

.hero-image {
  object-fit: cover;
  object-position: center right;
  filter: saturate(0.94) contrast(1.05);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(12, 15, 16, 0.95) 0%, rgba(12, 15, 16, 0.84) 38%, rgba(12, 15, 16, 0.18) 78%),
    linear-gradient(0deg, rgba(12, 15, 16, 0.84) 0%, rgba(12, 15, 16, 0.08) 54%, rgba(12, 15, 16, 0.62) 100%);
}

.hero-content {
  position: relative;
  width: min(760px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: #88d3c5;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 26px;
  font-size: 92px;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  width: min(680px, 100%);
  margin-bottom: 30px;
  color: rgba(255, 253, 248, 0.84);
  font-size: 24px;
  line-height: 1.45;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 38px;
}

.hero-status {
  flex-wrap: wrap;
  gap: 18px;
  color: rgba(255, 253, 248, 0.72);
  font-size: 13px;
  font-weight: 720;
}

.hero-status span {
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.operating-strip {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 48px));
  margin: -34px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.operating-strip div {
  min-height: 132px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.operating-strip div:last-child {
  border-right: 0;
}

.operating-strip strong,
.operating-strip span {
  display: block;
}

.operating-strip strong {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 18px;
}

.operating-strip span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 104px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 64px;
  align-items: start;
  margin-bottom: 42px;
}

.section-heading.compact {
  margin-bottom: 30px;
}

h2 {
  margin-bottom: 18px;
  font-size: 46px;
  line-height: 1.14;
  letter-spacing: 0;
}

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

.section-heading p,
.workflow-layout > div > p,
.capability-grid p,
.platform-grid p,
.roadmap p,
.workflow-list p {
  color: var(--muted);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.capability-grid article,
.platform-grid article,
.roadmap div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.76);
}

.capability-grid article {
  min-height: 268px;
  padding: 22px;
}

.capability-grid span,
.platform-grid span,
.roadmap span {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--green);
  font-size: 13px;
  font-weight: 850;
}

.workflow-section {
  width: 100%;
  padding: 104px 48px;
  background: var(--graphite);
  color: var(--white);
}

.workflow-section .section-kicker,
.platform-section .section-kicker {
  width: min(var(--max), 100%);
  margin-left: auto;
  margin-right: auto;
}

.workflow-layout {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 72px;
  align-items: start;
}

.workflow-layout > div > p,
.workflow-list p {
  color: rgba(255, 253, 248, 0.68);
}

.workflow-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.workflow-list li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 24px;
  padding: 24px;
  background: #2b3238;
}

.workflow-list span {
  color: #8bd3c2;
  font-size: 13px;
  font-weight: 850;
}

.workflow-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.workflow-list p {
  grid-column: 2;
  margin-bottom: 0;
}

.platform-section {
  padding-top: 104px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.platform-grid article {
  min-height: 214px;
  padding: 22px;
}

.platform-grid .platform-ready {
  background: var(--white);
  border-top: 5px solid var(--green-2);
}

.roadmap-section {
  padding-top: 72px;
}

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

.roadmap div {
  min-height: 220px;
  padding: 24px;
}

.roadmap div:nth-child(2) span {
  color: var(--cyan);
}

.roadmap div:nth-child(3) span {
  color: var(--coral);
}

.final-cta {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 38px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
}

.final-cta h2 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: 40px;
}

.site-footer {
  justify-content: space-between;
  gap: 20px;
  min-height: 80px;
  padding: 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .nav-links {
    display: none;
  }

  h1 {
    font-size: 68px;
  }

  h2 {
    font-size: 38px;
  }

  .section-heading,
  .workflow-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

@media (max-width: 760px) {
  .site-header {
    height: 68px;
    padding: 0 18px;
  }

  .brand-name {
    font-size: 14px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 14px;
  }

  .hero {
    min-height: 82vh;
    padding: 110px 20px 54px;
  }

  .hero-image {
    object-position: 58% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(12, 15, 16, 0.92) 0%, rgba(12, 15, 16, 0.78) 55%, rgba(12, 15, 16, 0.28) 100%),
      linear-gradient(0deg, rgba(12, 15, 16, 0.82) 0%, rgba(12, 15, 16, 0.12) 55%, rgba(12, 15, 16, 0.58) 100%);
  }

  h1 {
    font-size: 44px;
    line-height: 1.08;
  }

  h2 {
    font-size: 30px;
  }

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

  .hero-status {
    gap: 10px;
  }

  .hero-status span {
    width: 100%;
  }

  .operating-strip,
  .section,
  .final-cta {
    width: calc(100% - 28px);
  }

  .operating-strip,
  .capability-grid,
  .platform-grid,
  .roadmap {
    grid-template-columns: 1fr;
  }

  .operating-strip div {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .operating-strip div:last-child {
    border-bottom: 0;
  }

  .section,
  .workflow-section,
  .platform-section {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .workflow-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .workflow-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .workflow-list p {
    grid-column: 1;
  }

  .final-cta {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 56px;
    padding: 24px;
  }

  .final-cta h2 {
    font-size: 28px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    min-height: 132px;
    padding: 24px 20px;
  }
}
