:root {
  --ink: #111817;
  --muted: #5e6b68;
  --line: #d9e1df;
  --paper: #ffffff;
  --wash: #f3f6f5;
  --teal: #0d5f59;
  --teal-dark: #08443f;
  --red: #b4483d;
  --gold: #bd8e37;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.65;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  padding: 0 max(32px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(217, 225, 223, 0.78);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  min-width: 0;
  line-height: 1;
}

.brand img {
  width: 34px;
  height: 34px;
  margin-right: 10px;
  border-radius: 6px;
  object-fit: cover;
}

.brand span {
  font-size: 19px;
  font-weight: 800;
}

.brand small {
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: #3d4946;
  font-size: 14px;
}

nav a,
footer a {
  transition: color 160ms ease;
}

nav a:hover,
footer a:hover {
  color: var(--teal);
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  transition: background 160ms ease, color 160ms ease;
}

.header-cta:hover {
  color: #fff;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: min(790px, calc(100vh - 24px));
  padding: 162px max(32px, calc((100vw - var(--max)) / 2)) 138px;
  overflow: hidden;
  color: #fff;
  background-color: #17201f;
  background-image: url("/assets/product-workspace.png");
  background-repeat: no-repeat;
  background-position: right center;
  background-size: auto 100%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: rgba(8, 18, 17, 0.2);
}

.hero-shield {
  position: absolute;
  z-index: 1;
  top: 0;
  bottom: 0;
  left: 0;
  width: 58%;
  background: rgba(12, 25, 23, 0.94);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(620px, 49vw);
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #83c8c0;
}

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

h1 {
  max-width: 600px;
  margin-bottom: 26px;
  font-size: 64px;
  line-height: 1.08;
  font-weight: 800;
}

.hero-copy {
  max-width: 590px;
  margin-bottom: 38px;
  color: #d9e4e1;
  font-size: 21px;
  line-height: 1.75;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 750;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button-primary {
  color: var(--ink);
  background: #fff;
}

.button-primary:hover {
  background: #c9e4df;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.42);
  color: #fff;
  background: transparent;
}

.button-secondary:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero-proof {
  position: absolute;
  z-index: 3;
  right: max(32px, calc((100vw - var(--max)) / 2));
  bottom: 0;
  left: max(32px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-height: 104px;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(8, 22, 20, 0.88);
}

.hero-proof div {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
  padding: 22px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-proof div:last-child {
  border-right: 0;
}

.hero-proof strong {
  color: #76bbb3;
  font: 700 13px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.hero-proof span {
  font-size: 15px;
  font-weight: 700;
}

.section {
  width: min(var(--max), calc(100% - 64px));
  margin: 0 auto;
  padding: 116px 0;
}

.positioning {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: 90px;
  align-items: end;
}

.section-heading h2,
.advantage-copy h2,
.contact-intro h2,
.industries h2 {
  margin-bottom: 0;
  font-size: 42px;
  line-height: 1.28;
  font-weight: 800;
}

.positioning-copy {
  color: var(--muted);
  font-size: 17px;
}

.positioning-copy p {
  margin-bottom: 18px;
}

.positioning-copy .emphasis {
  margin-bottom: 0;
  padding-left: 20px;
  border-left: 3px solid var(--red);
  color: var(--ink);
  font-weight: 650;
}

.advantages {
  border-top: 1px solid var(--line);
}

.advantage {
  display: grid;
  grid-template-columns: minmax(350px, 0.72fr) minmax(0, 1.28fr);
  gap: 70px;
  align-items: center;
  padding: 104px max(32px, calc((100vw - var(--max)) / 2));
}

.advantage:nth-child(odd) {
  background: var(--wash);
}

.advantage-deployment {
  grid-template-columns: minmax(0, 1.15fr) minmax(350px, 0.85fr);
}

.number {
  display: block;
  margin-bottom: 20px;
  color: var(--teal);
  font: 800 12px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.advantage-copy h2 {
  margin-bottom: 24px;
}

.advantage-copy > p {
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 17px;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding: 12px 0 12px 25px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  font-weight: 650;
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: 21px;
  left: 3px;
  width: 7px;
  height: 7px;
  background: var(--teal);
}

.product-visual {
  margin: 0;
  min-width: 0;
}

.product-visual img {
  width: 100%;
  border: 1px solid #cfd9d6;
  border-radius: 6px;
  box-shadow: 0 24px 60px rgba(31, 49, 46, 0.12);
}

.product-visual figcaption {
  margin-top: 14px;
  color: #74807d;
  font-size: 12px;
}

.deployment-diagram {
  position: relative;
  padding: 34px;
  border: 1px solid #cbd5d2;
  border-radius: 6px;
  background: #f7faf9;
}

.diagram-label {
  margin-bottom: 24px;
  color: var(--teal);
  font: 800 12px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.diagram-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  color: #35423f;
  font-size: 13px;
}

.diagram-row span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  text-align: center;
  font-weight: 700;
}

.diagram-row b {
  color: #83908d;
  font-size: 11px;
  font-weight: 600;
}

.diagram-core {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 24px 0;
  border: 1px solid var(--teal-dark);
  border-radius: 5px;
  overflow: hidden;
  background: #527a75;
}

.diagram-core div {
  min-height: 132px;
  padding: 24px 18px;
  color: #fff;
  background: var(--teal-dark);
}

.diagram-core small,
.diagram-core strong {
  display: block;
}

.diagram-core small {
  margin-bottom: 22px;
  color: #9ad0c9;
  font-size: 11px;
}

.diagram-core strong {
  font-size: 15px;
  line-height: 1.55;
}

.deployment-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.deployment-options span {
  padding: 7px 12px;
  border: 1px solid #b9c8c5;
  border-radius: 3px;
  color: #3c4b48;
  font-size: 12px;
  font-weight: 700;
  background: #fff;
}

.delivery-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.delivery-steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.delivery-steps b {
  color: var(--gold);
  font: 800 12px/1.65 ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

.delivery-steps strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
}

.capabilities .section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 56px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.capability-grid article {
  min-height: 220px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  transition: background 160ms ease, transform 160ms ease;
}

.capability-grid article:hover {
  z-index: 1;
  background: var(--wash);
  transform: translateY(-3px);
}

.capability-grid span {
  display: block;
  margin-bottom: 34px;
  color: var(--teal);
  font: 800 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.capability-grid h3 {
  margin-bottom: 12px;
  font-size: 20px;
}

.capability-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.industries {
  padding: 96px max(32px, calc((100vw - var(--max)) / 2));
  color: #fff;
  background: #17201f;
}

.industries .eyebrow {
  color: #85c4bd;
}

.industries h2 {
  max-width: 680px;
  margin-bottom: 52px;
}

.industry-line {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.industry-line span {
  padding: 20px 12px 0 0;
  color: #c7d1ce;
  font-size: 13px;
  font-weight: 650;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.7fr) minmax(0, 1.3fr);
  gap: 88px;
  padding: 112px max(32px, calc((100vw - var(--max)) / 2));
  background: var(--wash);
}

.contact-intro {
  position: sticky;
  top: 118px;
  align-self: start;
}

.contact-intro h2 {
  margin-bottom: 24px;
}

.contact-intro > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
}

.contact-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.contact-points span {
  padding: 7px 11px;
  border: 1px solid #c4cecb;
  border-radius: 3px;
  color: #4b5956;
  font-size: 12px;
  background: #fff;
}

.lead-form {
  padding: 36px;
  border: 1px solid #cfd8d6;
  border-radius: 6px;
  background: #fff;
}

.form-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.form-heading strong {
  font-size: 20px;
}

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

.field-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 18px;
}

.field-grid.two {
  grid-template-columns: repeat(2, 1fr);
}

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

label > span {
  display: block;
  margin-bottom: 7px;
  color: #34413e;
  font-size: 12px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #bfcac7;
  border-radius: 3px;
  outline: 0;
  color: var(--ink);
  background: #fff;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

input,
select {
  height: 45px;
  padding: 0 12px;
}

textarea {
  min-height: 112px;
  padding: 11px 12px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13, 95, 89, 0.1);
}

input::placeholder,
textarea::placeholder {
  color: #98a29f;
}

.field-note {
  margin: -10px 0 18px;
  color: #7a8582;
  font-size: 11px;
}

.full-field {
  display: block;
  margin-bottom: 18px;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 4px 0 20px;
  cursor: pointer;
}

.consent input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 4px 0 0;
  accent-color: var(--teal);
}

.consent span {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.submit-button {
  width: 100%;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border: 0;
  border-radius: 3px;
  color: #fff;
  background: var(--teal-dark);
  cursor: pointer;
  font-weight: 750;
  transition: background 160ms ease;
}

.submit-button:hover {
  background: var(--teal);
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.64;
}

.submit-button b {
  font-size: 20px;
  font-weight: 500;
}

.form-status {
  min-height: 22px;
  margin: 13px 0 -8px;
  font-size: 13px;
}

.form-status.success {
  color: var(--teal);
}

.form-status.error {
  color: var(--red);
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  min-height: 116px;
  padding: 28px max(32px, calc((100vw - var(--max)) / 2));
  border-top: 1px solid #283432;
  color: #dce4e2;
  background: #111817;
}

.footer-brand img {
  width: 30px;
  height: 30px;
}

.footer-brand small {
  border-color: #485552;
  color: #8f9b98;
}

footer p {
  margin: 0;
  color: #9ba7a4;
  font-size: 12px;
}

footer > a {
  justify-self: end;
  font-size: 12px;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  nav {
    display: none;
  }

  .hero-shield {
    width: 70%;
  }

  .hero-content {
    width: min(620px, 64vw);
  }

  h1 {
    font-size: 54px;
  }

  .positioning,
  .advantage,
  .advantage-deployment,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .positioning,
  .advantage,
  .contact-section {
    gap: 52px;
  }

  .advantage-deployment .deployment-diagram {
    order: 2;
  }

  .advantage-deployment .advantage-copy {
    order: 1;
  }

  .industry-line {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 24px;
  }

  .contact-intro {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    height: 62px;
    padding: 0 18px;
  }

  .brand img {
    width: 30px;
    height: 30px;
  }

  .brand span {
    font-size: 17px;
  }

  .brand small {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 760px;
    padding: 128px 20px 210px;
    background-position: 62% center;
    background-size: auto 100%;
  }

  .hero::after {
    background: rgba(8, 18, 17, 0.34);
  }

  .hero-shield {
    width: 100%;
    height: 64%;
    bottom: auto;
    background: rgba(10, 23, 21, 0.93);
  }

  .hero-content {
    width: 100%;
  }

  .eyebrow {
    margin-bottom: 15px;
    font-size: 11px;
  }

  h1 {
    margin-bottom: 20px;
    max-width: 330px;
    font-size: 37px;
    overflow-wrap: break-word;
  }

  .hero-copy {
    margin-bottom: 28px;
    font-size: 17px;
    line-height: 1.7;
  }

  .button {
    min-height: 46px;
    padding: 0 17px;
    font-size: 13px;
  }

  .hero-proof {
    right: 20px;
    bottom: 20px;
    left: 20px;
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .hero-proof div {
    min-height: 54px;
    padding: 11px 14px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }

  .hero-proof div:last-child {
    border-bottom: 0;
  }

  .hero-proof span {
    font-size: 13px;
  }

  .section {
    width: calc(100% - 40px);
    padding: 78px 0;
  }

  .positioning {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .section-heading h2,
  .advantage-copy h2,
  .contact-intro h2,
  .industries h2 {
    font-size: 31px;
  }

  .positioning-copy,
  .advantage-copy > p {
    font-size: 15px;
  }

  .advantage,
  .advantage-deployment {
    grid-template-columns: 1fr;
    gap: 38px;
    padding: 76px 20px;
  }

  .product-visual img {
    border-radius: 4px;
  }

  .deployment-diagram {
    padding: 20px 14px;
  }

  .diagram-row {
    gap: 6px;
    font-size: 11px;
  }

  .diagram-row span {
    padding: 9px 5px;
  }

  .diagram-row b {
    font-size: 9px;
  }

  .diagram-core {
    grid-template-columns: 1fr;
    margin: 16px 0;
  }

  .diagram-core div {
    min-height: auto;
    padding: 15px;
  }

  .diagram-core small {
    margin-bottom: 5px;
  }

  .diagram-core strong {
    font-size: 13px;
  }

  .capabilities .section-heading {
    margin-bottom: 36px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .capability-grid article {
    min-height: 170px;
    padding: 24px;
  }

  .capability-grid span {
    margin-bottom: 25px;
  }

  .industries {
    padding: 72px 20px;
  }

  .industries h2 {
    margin-bottom: 38px;
  }

  .industry-line {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-section {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 76px 20px;
  }

  .lead-form {
    padding: 24px 18px;
  }

  .form-heading {
    display: block;
  }

  .form-heading strong,
  .form-heading span {
    display: block;
  }

  .form-heading span {
    margin-top: 5px;
  }

  .field-grid.two,
  .field-grid.three {
    grid-template-columns: 1fr;
  }

  footer {
    grid-template-columns: 1fr auto;
    padding: 26px 20px;
  }

  footer p {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}