:root {
  --color-bg: #f5f5f2;
  --color-surface: #ffffff;
  --color-surface-soft: #f6f6f3;
  --color-line: #d6d8d2;
  --color-line-strong: #c0c6bf;
  --color-text: #172026;
  --color-muted: #59636b;
  --color-accent: #183448;
  --color-accent-soft: #e9eff3;
  --shadow-soft: 0 8px 22px rgba(23, 32, 38, 0.045);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --container-width: 1120px;
  --font-body: "Aptos", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.68;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

p,
h1,
h2,
h3,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

.container {
  width: min(calc(100% - 3rem), var(--container-width));
  margin: 0 auto;
}

.section {
  padding: clamp(3.6rem, 6.5vw, 5.3rem) 0;
}

section[id],
footer[id] {
  scroll-margin-top: 5.5rem;
}

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

.section-subtle {
  background: rgba(255, 255, 255, 0.4);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-line);
  background: rgba(245, 245, 242, 0.96);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.8rem;
}

.brand {
  display: inline-grid;
  gap: 0.1rem;
  text-decoration: none;
}

.brand-name {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-subline {
  color: var(--color-muted);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
}

.main-nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.brand:focus-visible {
  color: var(--color-text);
}

.main-nav a:focus-visible,
.brand:focus-visible,
.button:focus-visible,
.contact-card a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.hero {
  padding-top: clamp(4.8rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 6vw, 5.4rem);
}

.hero-grid,
.intro-grid,
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.9fr);
  gap: 2.1rem 2.8rem;
  align-items: start;
}

.hero-copy {
  min-width: 0;
  max-width: 46rem;
  padding-top: 0.2rem;
}

.hero-copy::before {
  content: "";
  display: block;
  width: 4.5rem;
  height: 2px;
  margin-bottom: 1.35rem;
  background: var(--color-accent);
}

.eyebrow,
.section-kicker,
.aside-kicker,
.card-kicker,
.service-index,
.process-number,
.note-label {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: -0.04em;
  line-height: 1.1;
}

h1 {
  max-width: 10.5ch;
  margin-top: 0.8rem;
  font-size: clamp(3.1rem, 7.5vw, 5.4rem);
  font-weight: 820;
  line-height: 1.02;
}

h2 {
  max-width: 15ch;
  font-size: clamp(2rem, 4vw, 2.95rem);
  font-weight: 780;
}

h3 {
  font-size: 1.24rem;
  font-weight: 730;
}

.lead {
  max-width: 54ch;
  margin-top: 1.3rem;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.72;
}

.tech-line {
  margin-top: 1rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.tech-line + .hero-actions {
  margin-top: 1.2rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.92rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
}

.button-primary {
  border-color: #10283a;
  background: var(--color-accent);
  color: #f4f7f8;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #12293a;
}

.button-secondary {
  border-color: var(--color-line-strong);
  background: rgba(255, 255, 255, 0.82);
  color: var(--color-text);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--color-surface-soft);
}

.topic-list {
  display: grid;
  gap: 0.7rem;
  max-width: 40rem;
  margin-top: 1.95rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-line);
}

.topic-list li,
.plain-list li,
.service-points li {
  position: relative;
  padding-left: 1.05rem;
  line-height: 1.6;
}

.topic-list li::before,
.plain-list li::before,
.service-points li::before {
  content: "";
  position: absolute;
  top: 0.66rem;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--color-accent);
}

.hero-aside,
.note-card,
.case-card,
.process-item,
.contact-card {
  min-width: 0;
  padding: 1.55rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
}

.hero-aside {
  border-color: var(--color-line-strong);
  background: rgba(255, 255, 255, 0.8);
}

.note-card {
  background: var(--color-surface-soft);
  box-shadow: none;
}

.quote-list {
  display: grid;
  gap: 0.95rem;
  margin-top: 1.05rem;
}

.quote-list li {
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
}

.quote-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.quote-list p {
  color: var(--color-text);
  font-size: 0.99rem;
  line-height: 1.62;
}

.aside-note {
  margin-top: 1.3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
}

.aside-note p:last-child,
.section-copy p:not(.section-kicker),
.section-head p,
.service-body > p,
.case-card p:last-child,
.process-item p:last-child,
.footer-copy p:not(.section-kicker),
.contact-card,
.contact-note {
  color: var(--color-muted);
}

.text-flow {
  display: grid;
  gap: 0.95rem;
}

.plain-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 0.9rem;
}

.section-head {
  display: grid;
  gap: 0.75rem;
  max-width: 46rem;
  margin-bottom: 1.8rem;
}

.section-head.narrow {
  max-width: 38rem;
}

.section-head p {
  max-width: 42ch;
  font-size: 0.98rem;
}

.service-list {
  display: grid;
  gap: 0;
}

.service-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.6fr) minmax(0, 1.4fr);
  gap: 1.25rem 2.2rem;
  padding: 1.55rem 0;
  border-top: 1px solid var(--color-line);
}

.service-row:first-child {
  padding-top: 0.5rem;
}

.service-row:last-child {
  border-bottom: 1px solid var(--color-line);
}

.service-meta {
  display: grid;
  gap: 0.45rem;
  align-content: start;
}

.service-meta h3 {
  max-width: 13ch;
}

.service-body {
  display: grid;
  gap: 0.9rem;
}

.service-body > p {
  max-width: 54ch;
}

.service-points {
  display: grid;
  gap: 0.65rem;
  color: var(--color-text);
  font-weight: 580;
}

.case-grid,
.process-list {
  display: grid;
  gap: 1.1rem;
}

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

.case-card {
  background: rgba(255, 255, 255, 0.76);
  border-color: var(--color-line-strong);
  box-shadow: none;
}

.case-card h3,
.process-item h3 {
  margin-top: 0.55rem;
}

.case-card p:last-child,
.process-item p:last-child {
  margin-top: 0.8rem;
}

.process-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.35rem;
}

.process-item {
  padding: 1.1rem 0 0.2rem;
  border: 0;
  border-top: 2px solid var(--color-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.site-footer {
  padding: clamp(3.8rem, 7vw, 5.2rem) 0;
  border-top: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.46);
}

.footer-copy {
  display: grid;
  gap: 1rem;
}

.contact-card {
  border-color: var(--color-line-strong);
  background: #fbfbf9;
}

.contact-name {
  margin-top: 0.7rem;
  color: var(--color-text);
  font-size: 1.15rem;
  font-weight: 760;
  letter-spacing: -0.03em;
  line-height: 1.28;
}

.contact-card p + p {
  margin-top: 0.85rem;
}

.contact-card a {
  text-decoration: none;
}

.contact-card a:hover,
.contact-card a:focus-visible {
  text-decoration: underline;
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  margin-top: 1.3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
}

.footer-legal-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 600;
}

.footer-legal-links a:hover,
.footer-legal-links a:focus-visible {
  color: var(--color-text);
}

.legal-page {
  padding: clamp(3.8rem, 7vw, 5.6rem) 0;
}

.legal-container {
  max-width: 48rem;
  display: grid;
  gap: 1.35rem;
}

.legal-intro {
  display: grid;
  gap: 0.8rem;
  max-width: 44rem;
}

.legal-page h1 {
  max-width: none;
  margin-top: 0;
  font-size: clamp(2.5rem, 6vw, 4rem);
}

.legal-backlink {
  display: inline-flex;
  width: fit-content;
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 600;
}

.legal-backlink:hover,
.legal-backlink:focus-visible {
  color: var(--color-text);
}

.legal-section {
  display: grid;
  gap: 0.8rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--color-line);
}

.legal-section h2 {
  max-width: none;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
}

.legal-section h3 {
  margin-top: 0.15rem;
  font-size: 1.05rem;
}

.legal-section p,
.legal-section li {
  max-width: 66ch;
  color: var(--color-muted);
}

.legal-section a {
  color: var(--color-text);
}

.legal-list {
  display: grid;
  gap: 0.65rem;
  padding-left: 1.15rem;
  list-style: disc;
}

.legal-list li::marker {
  color: var(--color-accent);
}

@media (max-width: 980px) {
  .hero-grid,
  .intro-grid,
  .footer-grid,
  .case-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  h1,
  h2 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 1.6rem), var(--container-width));
  }

  .site-header {
    position: static;
    background: var(--color-bg);
    backdrop-filter: none;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.95rem 0 0.85rem;
    min-height: auto;
  }

  .main-nav {
    width: 100%;
    gap: 0.7rem 1rem;
  }

  .main-nav a {
    font-size: 0.92rem;
  }

  .hero {
    padding-top: 2.9rem;
    padding-bottom: 3.4rem;
  }

  .hero-grid,
  .intro-grid,
  .footer-grid {
    gap: 1.4rem;
  }

  .hero-aside,
  .note-card,
  .case-card,
  .contact-card {
    padding: 1.25rem;
  }

  .process-item {
    padding-top: 0.95rem;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .button {
    width: 100%;
  }

  .lead {
    max-width: none;
    font-size: 1rem;
  }

  .tech-line {
    line-height: 1.7;
  }

  .section-head {
    margin-bottom: 1.35rem;
  }

  .legal-page {
    padding: 3rem 0 3.6rem;
  }

  .legal-container {
    gap: 1.15rem;
  }

  section[id],
  footer[id] {
    scroll-margin-top: 0;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 2.7rem 0;
  }

  h1 {
    font-size: clamp(2.3rem, 12vw, 3.15rem);
  }

  h2 {
    font-size: clamp(1.7rem, 8vw, 2.2rem);
  }

  .hero-copy::before {
    width: 3rem;
    margin-bottom: 1rem;
  }
}