:root {
  --ink: #07111f;
  --navy: #073b72;
  --navy-deep: #06223d;
  --blue: #0f5fba;
  --signal: #28a745;
  --muted: #4d5a68;
  --line: #d9e0e8;
  --line-strong: #b6c5d4;
  --surface: #ffffff;
  --surface-cool: #f4f7fa;
  --footer: #07182a;
  --shadow: 0 22px 50px rgba(7, 17, 31, 0.14);
  --soft-shadow: 0 12px 26px rgba(7, 17, 31, 0.1);
  --container: min(1210px, calc(100vw - 64px));
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

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

svg {
  display: block;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 88px;
  padding: 0 clamp(20px, 4vw, 54px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.18rem, 2vw, 1.6rem);
  font-weight: 700;
  line-height: 1.1;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--navy);
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

.brand-mark path:first-child {
  fill: currentColor;
}

.brand-mark path:not(:first-child) {
  fill: none;
  stroke: #fff;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 42px);
  color: #0d1623;
  font-size: 0.98rem;
  font-weight: 560;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--navy);
  opacity: 0;
  transform: scaleX(0.7);
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(340px, 0.9fr) minmax(430px, 1.1fr);
  align-items: center;
  width: 100%;
  min-height: clamp(560px, calc(100svh - 132px), 760px);
  border-bottom: 1px solid var(--line);
}

.hero::before {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 54%;
  content: "";
  background:
    linear-gradient(rgba(15, 95, 186, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 95, 186, 0.045) 1px, transparent 1px);
  background-size: 34px 34px;
  border-left: 1px solid #edf1f5;
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 660px;
  padding: clamp(46px, 8vw, 96px) clamp(28px, 4vw, 58px);
}

.hero h1 {
  max-width: 640px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.7rem, 5.2vw, 4.9rem);
  font-weight: 700;
  line-height: 0.97;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero-copy p {
  max-width: 510px;
  margin: 34px 0 0;
  color: #2f3a47;
  font-size: clamp(1.14rem, 1.7vw, 1.42rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 24px;
  border: 1px solid var(--navy);
  border-radius: 3px;
  font-size: 1rem;
  font-weight: 670;
  line-height: 1;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

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

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--navy-deep);
  border-color: var(--navy-deep);
}

.button-secondary {
  color: var(--navy);
  background: transparent;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: #fff;
  background: var(--navy);
}

.system-visual {
  position: relative;
  z-index: 1;
  align-self: stretch;
  display: grid;
  min-height: min(670px, calc(100svh - 135px));
  margin: 0 clamp(26px, 4vw, 64px) 0 0;
  place-items: center;
}

.system-visual picture {
  display: block;
  width: min(100%, 820px);
}

.system-visual img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 24px 42px rgba(7, 17, 31, 0.1));
}

.section-jump {
  display: grid;
  height: 0;
  place-items: center;
}

.section-jump a {
  display: grid;
  width: 76px;
  height: 54px;
  place-items: center;
  color: var(--blue);
  background: #fff;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 38px 38px 0 0;
  transform: translateY(-54px);
}

.section-jump svg {
  width: 30px;
  height: 30px;
}

.section-jump path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

.section-inner {
  width: var(--container);
  margin: 0 auto;
  padding: clamp(58px, 7vw, 86px) 0;
}

.section-inner h2,
.contact-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.capability-list {
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.capability-item {
  display: grid;
  grid-template-columns: 140px minmax(210px, 0.55fr) 1fr;
  gap: 34px;
  align-items: center;
  min-height: 150px;
  border-bottom: 1px solid var(--line);
}

.capability-icon {
  display: grid;
  width: 86px;
  height: 86px;
  place-items: center;
  color: var(--navy);
}

.capability-icon svg,
.process-icon svg,
.contact-icon svg {
  width: 100%;
  height: 100%;
}

.capability-icon path,
.capability-icon circle,
.process-icon path,
.process-icon circle,
.contact-icon path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.25;
}

.capability-item h3 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.28rem, 2vw, 1.55rem);
  font-weight: 760;
  line-height: 1.2;
}

.capability-item p {
  max-width: 540px;
  margin: 0;
  padding-left: 48px;
  color: #273442;
  border-left: 1px solid var(--line);
  font-size: 1.03rem;
  line-height: 1.58;
}

.approach {
  background: var(--surface-cool);
  border-top: 1px solid #eef2f6;
  border-bottom: 1px solid var(--line);
}

.process {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 7vw, 120px);
  margin-top: 44px;
}

.process::before {
  position: absolute;
  top: 103px;
  right: 24px;
  left: 24px;
  height: 3px;
  content: "";
  background: var(--navy);
}

.process::after {
  position: absolute;
  top: 94px;
  right: 9px;
  width: 20px;
  height: 20px;
  content: "";
  border-top: 3px solid var(--navy);
  border-right: 3px solid var(--navy);
  transform: rotate(45deg);
}

.process-step {
  position: relative;
  display: grid;
  justify-items: center;
  text-align: center;
}

.process-icon {
  display: grid;
  width: 86px;
  height: 86px;
  place-items: center;
  color: #fff;
  background: var(--navy);
  border-radius: 50%;
  box-shadow: 0 14px 28px rgba(7, 59, 114, 0.2);
}

.step-number {
  position: relative;
  z-index: 1;
  display: grid;
  width: 40px;
  height: 40px;
  margin-top: 16px;
  place-items: center;
  color: #fff;
  background: var(--navy);
  border: 4px solid var(--surface-cool);
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1;
}

.process-step h3 {
  margin: 13px 0 0;
  color: var(--navy);
  font-size: 1.35rem;
  line-height: 1.2;
}

.process-step p {
  max-width: 300px;
  margin: 14px 0 0;
  color: #263443;
  font-size: 0.99rem;
  line-height: 1.58;
}

.contact-band {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.contact-inner {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 36px;
  align-items: center;
  width: var(--container);
  min-height: 180px;
  margin: 0 auto;
  padding: 34px 0;
}

.contact-icon {
  width: 72px;
  height: 72px;
  color: var(--navy);
}

.contact-copy p {
  max-width: 620px;
  margin: 12px 0 0;
  color: #2f3d4c;
  font-size: 1.05rem;
}

.site-footer {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent 30%),
    var(--footer);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(250px, 0.9fr) minmax(240px, 1.1fr) minmax(220px, auto);
  gap: 36px;
  align-items: center;
  width: var(--container);
  min-height: 118px;
  margin: 0 auto;
  padding: 30px 0;
}

.brand-footer {
  color: #fff;
}

.brand-footer .brand-mark {
  color: #fff;
}

.brand-footer .brand-mark path:first-child {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
}

.brand-footer .brand-mark path:not(:first-child) {
  stroke: currentColor;
}

.footer-inner p {
  margin: 0;
  padding: 0 36px;
  color: rgba(255, 255, 255, 0.86);
  border-right: 1px solid rgba(255, 255, 255, 0.26);
  border-left: 1px solid rgba(255, 255, 255, 0.26);
}

.footer-contact {
  justify-self: end;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 620;
}

.copyright {
  width: var(--container);
  margin: 0 auto;
  padding: 0 0 24px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.86rem;
  text-align: center;
}

@media (min-width: 821px) and (max-width: 1060px) {
  .hero-copy {
    max-width: none;
    padding: 64px 24px;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 5.8vw, 3.85rem);
  }

  .hero-copy p {
    margin-top: 26px;
    font-size: 1.06rem;
  }

  .button {
    min-height: 50px;
    padding: 0 10px;
    font-size: 0.8rem;
  }

  .hero-actions {
    gap: 8px;
    flex-wrap: nowrap;
  }

  .system-visual {
    min-height: 590px;
    margin-right: 24px;
  }
}

@media (max-width: 820px) {
  :root {
    --container: min(100% - 44px, 960px);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero::before {
    top: auto;
    bottom: 0;
    width: 100%;
    height: 50%;
    border-top: 1px solid #edf1f5;
    border-left: 0;
  }

  .hero-copy {
    max-width: 680px;
    padding-bottom: 34px;
  }

  .hero h1 {
    max-width: 10ch;
    font-size: clamp(3.5rem, 10vw, 4.8rem);
  }

  .system-visual {
    min-height: 600px;
    margin: 0 clamp(20px, 5vw, 54px) 40px;
  }

  .capability-item {
    grid-template-columns: 96px minmax(190px, 0.52fr) 1fr;
    gap: 24px;
  }

  .capability-icon {
    width: 74px;
    height: 74px;
  }

  .capability-item p {
    padding-left: 28px;
  }
}

@media (max-width: 820px) {
  .site-header {
    min-height: 78px;
    padding: 14px 22px;
  }

  .brand {
    font-size: 1.04rem;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .nav-links {
    gap: 17px;
    font-size: 0.9rem;
  }

  .system-visual {
    min-height: 540px;
  }

  .capability-item {
    grid-template-columns: 70px 1fr;
    gap: 18px 24px;
    padding: 26px 0;
  }

  .capability-item p {
    grid-column: 2;
    padding-left: 0;
    border-left: 0;
  }

  .capability-icon {
    width: 62px;
    height: 62px;
  }

  .process {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .process::before,
  .process::after {
    display: none;
  }

  .process-step {
    grid-template-columns: 78px 48px 1fr;
    justify-items: start;
    text-align: left;
  }

  .process-icon {
    grid-row: span 2;
    width: 66px;
    height: 66px;
  }

  .step-number {
    margin-top: 13px;
    border-color: var(--surface-cool);
  }

  .process-step h3 {
    align-self: end;
    margin-top: 0;
  }

  .process-step p {
    grid-column: 3;
    max-width: none;
    margin-top: 4px;
  }

  .contact-inner {
    grid-template-columns: 70px 1fr;
    gap: 22px;
  }

  .contact-inner .button {
    grid-column: 2;
    justify-self: start;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 22px;
    align-items: start;
  }

  .footer-inner p {
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.22);
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
    border-left: 0;
  }

  .footer-contact {
    justify-self: start;
  }

  .copyright {
    text-align: left;
  }
}

@media (max-width: 600px) {
  :root {
    --container: min(100% - 34px, 560px);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  .hero-copy {
    padding: 42px 22px 28px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.85rem, 13vw, 4rem);
  }

  .hero-copy p {
    margin-top: 24px;
    font-size: 1.06rem;
  }

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

  .button {
    width: 100%;
    min-height: 54px;
  }

  .system-visual {
    min-height: 0;
    margin: 0 14px 34px;
  }

  .section-jump {
    display: none;
  }

  .section-inner {
    padding: 54px 0;
  }

  .capability-list {
    margin-top: 30px;
  }

  .capability-item {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 13px;
  }

  .capability-item p {
    grid-column: 1;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 42px 0;
  }

  .contact-inner .button {
    grid-column: 1;
  }
}

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

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