:root {
  color-scheme: dark;
  --ink: #f7f4eb;
  --muted: #c6c0b2;
  --soft: #948b7a;
  --line: rgba(247, 244, 235, 0.16);
  --line-strong: rgba(247, 244, 235, 0.28);
  --bg: #0e1110;
  --bg-2: #151816;
  --panel: rgba(22, 25, 23, 0.84);
  --panel-solid: #191d1a;
  --maple: #d8a75d;
  --maple-strong: #f0bf73;
  --green: #5ec698;
  --blue: #78b7d8;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius: 8px;
  --max: 1180px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 /
      92px 92px,
    linear-gradient(180deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px) 0 0 /
      92px 92px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 70%);
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 18px clamp(18px, 4vw, 48px);
  background: rgba(13, 16, 15, 0.74);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--maple);
  color: var(--maple-strong);
  font-weight: 800;
  line-height: 1;
}

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

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

.brand small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: clamp(12px, 2vw, 26px);
  color: var(--muted);
  font-size: 14px;
}

.main-nav a {
  padding: 8px 0;
}

.main-nav a:hover {
  color: var(--ink);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.language-toggle,
.header-cta,
.primary-btn,
.secondary-btn {
  min-height: 44px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  cursor: pointer;
}

.language-toggle {
  width: 48px;
  background: transparent;
  color: var(--ink);
}

.header-cta,
.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  background: var(--maple);
  border-color: var(--maple);
  color: #12100c;
  font-weight: 700;
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.text-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 42px;
  margin-top: 24px;
  color: var(--maple-strong);
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 124px clamp(18px, 5vw, 72px) 56px;
  border-bottom: 1px solid var(--line);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(9, 11, 10, 0.94), rgba(9, 11, 10, 0.55) 46%, rgba(9, 11, 10, 0.18)),
    linear-gradient(0deg, rgba(9, 11, 10, 0.96), rgba(9, 11, 10, 0) 58%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--maple-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(54px, 9vw, 118px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(760px, 100%);
  margin-top: 62px;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--shadow);
}

.hero-panel div {
  min-height: 100px;
  padding: 22px;
  background: rgba(17, 20, 18, 0.82);
}

.hero-panel span,
.contact-strip span,
.project-grid span {
  display: block;
  color: var(--soft);
  font-size: 13px;
}

.hero-panel strong {
  display: block;
  margin-top: 10px;
  font-size: 18px;
}

.section {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px clamp(18px, 4vw, 32px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 34px;
}

.section-heading.narrow {
  display: block;
  max-width: 740px;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.28;
}

.section-heading p:not(.eyebrow),
.performance-section .section-heading p:not(.eyebrow),
.inquiry-copy p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.intro-grid,
.project-grid,
.capability-grid,
.resource-grid,
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.intro-grid article,
.project-grid article,
.capability-grid article,
.resource-grid article,
.scenario-grid article,
.spec-card,
.inquiry-form {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 28px;
  align-items: stretch;
}

.about-copy {
  min-width: 0;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(216, 167, 93, 0.12), rgba(94, 198, 152, 0.04));
}

.about-copy p:not(.eyebrow) {
  margin: 24px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

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

.capability-grid article,
.resource-grid article {
  min-height: 210px;
  padding: 24px;
}

.capability-grid span,
.resource-grid span {
  display: block;
  color: var(--maple-strong);
  font-size: 13px;
  font-weight: 800;
}

.capability-grid strong {
  display: block;
  margin-top: 28px;
  font-size: 22px;
}

.capability-grid p,
.resource-grid p,
.faq-list p {
  color: var(--muted);
  line-height: 1.75;
}

.intro-grid article {
  min-height: 250px;
  padding: 28px;
}

.line-icon {
  display: block;
  width: 44px;
  height: 3px;
  margin-bottom: 34px;
  background: var(--green);
}

.intro-grid p,
.system-list p,
.project-grid p,
.process-list p {
  color: var(--muted);
  line-height: 1.75;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 28px;
  align-items: stretch;
}

.visual-panel,
.content-panel,
.document-preview {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-solid);
}

.visual-panel img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
}

.content-panel {
  padding: clamp(28px, 4vw, 52px);
}

.system-list {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.system-list article {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.spec-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 18px;
  align-items: stretch;
}

.spec-card {
  padding: 28px;
}

.spec-card dl {
  margin: 0;
}

.spec-card div {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.spec-card div:first-child {
  padding-top: 0;
}

.spec-card div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.spec-card dt {
  color: var(--soft);
  font-size: 13px;
}

.spec-card dd {
  margin: 8px 0 0;
  font-weight: 700;
  line-height: 1.55;
}

.document-preview {
  min-height: 360px;
}

.document-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

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

.tech-matrix {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--line);
  background: var(--line);
}

.tech-matrix article {
  min-width: 0;
  min-height: 250px;
  padding: 22px;
  background: #111412;
}

.tech-matrix span {
  color: var(--soft);
  font-size: 13px;
}

.tech-matrix strong {
  display: block;
  margin-top: 28px;
  font-size: 20px;
  line-height: 1.28;
}

.tech-matrix p {
  color: var(--muted);
  line-height: 1.72;
}

.project-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.project-grid article {
  min-height: 230px;
  padding: 24px;
}

.project-grid h3 {
  margin-top: 36px;
}

.scenario-hero img {
  height: min(58vh, 560px);
  min-height: 420px;
  object-position: center;
}

.scenario-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.scenario-grid article {
  display: flex;
  min-height: 360px;
  padding: 24px;
  flex-direction: column;
}

.scenario-grid span {
  color: var(--maple-strong);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.scenario-grid h3 {
  margin-top: 34px;
}

.scenario-grid p {
  color: var(--muted);
  line-height: 1.75;
}

.scenario-grid strong {
  display: block;
  margin-top: auto;
  padding-top: 24px;
  color: var(--ink);
  line-height: 1.45;
}

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

.response-section .visual-panel img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  object-position: top center;
}

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

.resource-grid article {
  display: flex;
  flex-direction: column;
}

.resource-grid h3 {
  margin-top: 28px;
}

.resource-grid a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 42px;
  margin-top: auto;
  padding: 0 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--maple-strong);
  font-weight: 700;
}

.process-section {
  max-width: 100%;
  background: #111412;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-section .section-heading,
.process-list {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding: 0 clamp(18px, 4vw, 32px);
  list-style: none;
  background: var(--line);
}

.process-list li {
  min-height: 260px;
  padding: 28px;
  background: #111412;
}

.process-list span {
  display: block;
  margin-bottom: 44px;
  color: var(--maple-strong);
  font-weight: 800;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.faq-list summary {
  cursor: pointer;
  padding: 22px 24px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 800;
}

.faq-list p {
  margin: 0;
  padding: 0 24px 24px;
}

.inquiry-section {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 1.12fr);
  gap: 28px;
}

.contact-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 32px;
  border: 1px solid var(--line);
  background: var(--line);
}

.contact-strip div {
  padding: 20px;
  background: rgba(255, 255, 255, 0.045);
}

.contact-strip strong {
  display: block;
  margin-top: 8px;
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 24px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.inquiry-form .wide,
.form-status {
  grid-column: 1 / -1;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.22);
  color: var(--ink);
  padding: 12px;
  outline: none;
}

.inquiry-form textarea {
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--maple);
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--green);
  line-height: 1.5;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 36px clamp(18px, 4vw, 48px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer strong {
  color: var(--ink);
}

.site-footer p {
  max-width: 760px;
  margin: 8px 0 0;
  line-height: 1.6;
}

.site-footer a {
  color: var(--maple-strong);
}

.subpage {
  padding-top: 80px;
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 28px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px clamp(18px, 4vw, 32px) 56px;
  align-items: stretch;
}

.page-hero > div {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: end;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(216, 167, 93, 0.12), rgba(94, 198, 152, 0.05));
}

.page-hero h1 {
  font-size: clamp(48px, 7vw, 88px);
}

.page-hero p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.75;
  margin: 24px 0 0;
}

.page-hero img {
  width: 100%;
  min-height: 520px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.comparison-table {
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.comparison-table [role="row"] {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) minmax(0, 1fr) minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 1px;
}

.comparison-table span,
.comparison-table strong {
  min-width: 0;
  padding: 20px;
  background: #111412;
  line-height: 1.6;
}

.comparison-table .table-head span {
  color: var(--maple-strong);
  font-size: 13px;
  font-weight: 800;
}

.comparison-table strong {
  color: var(--ink);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.product-detail-grid article,
.stack-list div,
.page-cta {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.product-detail-grid article {
  padding: 28px;
}

.product-detail-grid span,
.stack-list span {
  color: var(--maple-strong);
  font-weight: 800;
}

.product-detail-grid h2 {
  margin-top: 28px;
  font-size: clamp(28px, 3.2vw, 44px);
}

.product-detail-grid p,
.product-detail-grid li,
.stack-list p {
  color: var(--muted);
  line-height: 1.7;
}

.product-detail-grid ul {
  margin: 24px 0 0;
  padding-left: 18px;
}

.stack-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stack-list div {
  padding: 24px;
}

.stack-list strong {
  display: block;
  margin-top: 28px;
  font-size: 22px;
}

.page-cta {
  text-align: center;
}

.page-cta h2 {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.page-cta .primary-btn {
  margin-top: 28px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .main-nav {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-panel,
  .section-heading,
  .split-section,
  .spec-layout,
  .about-section,
  .page-hero,
  .inquiry-section {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .project-grid,
  .tech-matrix,
  .resource-grid,
  .scenario-grid,
  .product-detail-grid,
  .stack-list,
  .process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .comparison-table [role="row"] {
    grid-template-columns: 1fr 1fr;
  }

  .visual-panel img {
    min-height: 360px;
  }

  .page-hero img {
    min-height: 360px;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: sticky;
    padding: 12px 14px;
  }

  .brand small,
  .header-cta {
    display: none;
  }

  .hero {
    padding: 76px 18px 34px;
  }

  h1 {
    font-size: 42px;
    line-height: 1;
    word-break: break-all;
  }

  h2 {
    font-size: 30px;
    line-height: 1.15;
    max-width: min(335px, 100%);
    word-break: break-all;
  }

  p,
  dd,
  summary,
  .capability-grid strong,
  .tech-matrix strong,
  .resource-grid h3 {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .about-copy {
    padding: 24px;
  }

  .hero-panel,
  .intro-grid,
  .project-grid,
  .capability-grid,
  .tech-matrix,
  .resource-grid,
  .scenario-grid,
  .product-detail-grid,
  .stack-list,
  .process-list,
  .contact-strip,
  .inquiry-form {
    grid-template-columns: 1fr;
  }

  .subpage {
    padding-top: 0;
  }

  .page-hero {
    padding: 42px 18px 34px;
  }

  .page-hero > div {
    padding: 24px;
  }

  .page-hero h1 {
    font-size: 42px;
    word-break: break-word;
  }

  .page-hero img {
    min-height: 260px;
  }

  .scenario-hero img {
    height: 300px;
    min-height: 300px;
  }

  .comparison-table [role="row"] {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 68px 18px;
  }

  .intro-grid article,
  .project-grid article,
  .scenario-grid article,
  .process-list li {
    min-height: auto;
  }

  .site-footer {
    display: block;
  }
}