.site-header,
.section-shell,
.content-section,
.contact-section,
.site-footer {
  padding-inline: max(var(--space-4), calc((100vw - var(--container)) / 2));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background:
    linear-gradient(180deg, rgba(248, 250, 249, 0.72), rgba(248, 250, 249, 0.48)),
    rgba(248, 250, 249, 0.38);
  border-bottom: 1px solid transparent;
  transition:
    background var(--motion-medium) var(--ease),
    border-color var(--motion-medium) var(--ease),
    box-shadow var(--motion-medium) var(--ease),
    backdrop-filter var(--motion-medium) var(--ease);
}

.site-header.is-scrolled {
  background:
    linear-gradient(180deg, rgba(248, 250, 249, 0.92), rgba(248, 250, 249, 0.82)),
    rgba(248, 250, 249, 0.76);
  border-color: rgba(28, 43, 58, 0.1);
  box-shadow: 0 12px 32px rgba(17, 28, 43, 0.055);
  backdrop-filter: blur(16px) saturate(1.08);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-navy);
  font-weight: 680;
  letter-spacing: 0;
}

.brand {
  transition: opacity var(--motion-fast) var(--ease);
}

.brand:hover {
  opacity: 0.82;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.desktop-nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.desktop-nav a,
.site-footer a,
.site-footer button {
  position: relative;
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 520;
  letter-spacing: 0.01em;
  transition: color var(--motion-fast) var(--ease), opacity var(--motion-fast) var(--ease);
}

.desktop-nav a::after,
.site-footer a::after,
.site-footer button::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.42rem;
  height: 1px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0.64);
  transform-origin: center;
  transition: opacity var(--motion-fast) var(--ease), transform var(--motion-fast) var(--ease);
  content: "";
}

.desktop-nav a:hover,
.desktop-nav a.is-active,
.site-footer a:hover,
.site-footer button:hover {
  color: var(--color-navy);
}

.desktop-nav a:hover::after,
.desktop-nav a.is-active::after,
.site-footer a:hover::after,
.site-footer button:hover::after {
  opacity: 0.72;
  transform: scaleX(1);
}

.menu-button {
  display: none;
}

.mobile-panel {
  position: fixed;
  top: 78px;
  right: var(--space-4);
  z-index: 19;
  width: min(320px, calc(100vw - 2rem));
  padding: var(--space-3);
  background:
    linear-gradient(180deg, rgba(18, 30, 46, 0.97), rgba(15, 27, 45, 0.94)),
    var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-3);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity var(--motion-medium) var(--ease), transform var(--motion-medium) var(--ease);
}

.mobile-panel.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-panel nav {
  display: grid;
  gap: var(--space-1);
}

.mobile-panel a {
  color: rgba(255, 255, 255, 0.86);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-1);
  transition: background var(--motion-fast) var(--ease), color var(--motion-fast) var(--ease);
}

.mobile-panel a:hover,
.mobile-panel a.is-active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.07);
}

.hero {
  position: relative;
  min-height: clamp(680px, 88vh, 940px);
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.56fr) minmax(400px, 0.44fr);
  align-items: center;
  gap: clamp(2.5rem, 5vw, 5rem);
  padding-block: var(--space-7);
}

.hero-copy {
  max-width: 720px;
}

.hero h1 {
  margin: 0;
  max-width: 810px;
  color: var(--color-navy);
  font-size: clamp(3.2rem, 3.45vw, 3.9rem);
  font-weight: 590;
  line-height: 0.99;
  letter-spacing: -0.015em;
}

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

.hero-lead {
  max-width: 620px;
  margin: var(--space-4) 0 0;
  color: var(--color-ink-soft);
  font-size: 1.08rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.content-section {
  position: relative;
  padding-block: var(--space-8);
}

.content-section::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.34) 45%, transparent);
  content: "";
}

.muted-section {
  background:
    radial-gradient(circle at 16% 10%, rgba(47, 111, 126, 0.06), transparent 25rem),
    linear-gradient(180deg, rgba(237, 242, 243, 0.42), rgba(248, 250, 249, 0.2));
}

.section-grid {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

.two-column {
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1fr);
}

.section-heading {
  max-width: 760px;
  margin-bottom: var(--space-5);
}

.section-heading h2,
.content-section h2,
.contact-section h2 {
  margin: 0;
  color: var(--color-navy);
  font-size: clamp(2.2rem, 3.2vw, 3.35rem);
  font-weight: 560;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.content-section p {
  max-width: var(--measure);
  color: var(--color-muted);
  font-size: 1.02rem;
}

.service-grid,
.insight-grid {
  display: grid;
  gap: var(--space-4);
}

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

.insight-grid {
  grid-template-columns: minmax(0, 1.14fr) minmax(300px, 0.86fr);
  grid-template-rows: repeat(2, minmax(250px, auto));
  align-items: stretch;
}

.insight-feature {
  grid-row: span 2;
}

.contact-section {
  position: relative;
  max-width: none;
  padding-block: var(--space-8);
  text-align: center;
  background:
    radial-gradient(circle at 50% 10%, rgba(47, 111, 126, 0.095), transparent 28rem),
    linear-gradient(180deg, rgba(248, 250, 249, 0.2), rgba(238, 243, 244, 0.58));
}

.contact-section > * {
  margin-inline: auto;
}

.contact-section p {
  max-width: 660px;
  color: var(--color-muted);
}

.site-footer {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto minmax(220px, auto);
  gap: var(--space-6);
  align-items: start;
  padding-block: var(--space-6);
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 0%, rgba(82, 125, 136, 0.18), transparent 28rem),
    linear-gradient(180deg, #132033, #0f1b2d 72%);
  color: #ffffff;
}

.site-footer::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 100% 44px;
  opacity: 0.4;
  content: "";
}

.site-footer > * {
  position: relative;
}

.site-footer .brand-mark,
.site-footer .footer-brand {
  color: #ffffff;
}

.footer-brand {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  max-width: 430px;
}

.footer-brand p {
  margin: var(--space-1) 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.96rem;
  font-weight: 400;
}

.footer-brand small {
  color: rgba(255, 255, 255, 0.54);
  font-weight: 400;
}

.site-footer nav {
  align-items: flex-start;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer a,
.site-footer button {
  width: fit-content;
  padding: 0;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  cursor: pointer;
}

.site-footer a:hover,
.site-footer button:hover {
  color: #ffffff;
}

@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-copy {
    max-width: 820px;
  }

  .hero-media {
    max-width: 720px;
  }
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-1);
    background: rgba(255, 255, 255, 0.62);
    cursor: pointer;
    transition: background var(--motion-fast) var(--ease), border-color var(--motion-fast) var(--ease);
  }

  .menu-button:hover {
    background: rgba(255, 255, 255, 0.88);
    border-color: var(--color-line-strong);
  }

  .menu-button span {
    width: 18px;
    height: 2px;
    background: var(--color-navy);
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    gap: var(--space-5);
  }

  .hero-copy {
    padding-top: var(--space-5);
  }

  .insight-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .insight-feature {
    grid-row: auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header,
  .section-shell,
  .content-section,
  .contact-section,
  .site-footer {
    padding-inline: var(--space-3);
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero h1 span {
    white-space: normal;
  }

  .content-section,
  .contact-section {
    padding-block: var(--space-7);
  }

  .section-heading h2,
  .content-section h2,
  .contact-section h2 {
    font-size: 2.15rem;
  }

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

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }
}