:root {
  --pa-cobalt: #1E3A8A;
  --pa-electric-blue: #4361EE;
  --pa-stone: #94A3B8;
  --pa-slate: #475569;
  --pa-ink: #0B0B14;
  --pa-paper: #FDFBF8;
  --pa-white: #FCFDFE;
  --pa-border: rgba(148, 163, 184, 0.25);
  --pa-shadow: 0 18px 44px rgba(11, 11, 20, 0.055);
  --pa-font: 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(--pa-paper);
  color: var(--pa-ink);
  font-family: var(--pa-font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid rgba(67, 97, 238, 0.46);
  outline-offset: 5px;
}

.pa-site {
  min-height: 100vh;
  overflow-x: hidden;
}

.pa-container {
  width: min(1200px, calc(100% - 56px));
  margin-inline: auto;
}

.pa-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.pa-eyebrow {
  margin: 0;
  color: var(--pa-stone);
  font-size: clamp(0.7rem, 0.68rem + 0.12vw, 0.8rem);
  font-weight: 600;
  letter-spacing: 0.24em;
  line-height: 1.2;
  text-transform: uppercase;
}

/* Hero */
.pa-hero {
  position: relative;
  min-height: clamp(430px, 54vh, 560px);
  overflow: hidden;
  background: var(--pa-cobalt);
  color: var(--pa-white);
}

.pa-hero-inner {
  display: flex;
  min-height: clamp(430px, 54vh, 560px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-block: clamp(86px, 9vw, 128px);
  text-align: center;
}

.pa-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(680px, 84vw);
}

.pa-logo {
  width: 100%;
  height: auto;
}

.pa-logo-mark + .pa-eyebrow {
  margin-top: clamp(48px, 5vw, 70px);
  color: rgba(252, 253, 254, 0.68);
  letter-spacing: 0.22em;
}

.pa-intro {
  background: var(--pa-paper);
  border-bottom: 1px solid var(--pa-border);
}

.pa-intro-inner {
  max-width: 920px;
  padding-block: clamp(72px, 8vw, 150px) clamp(76px, 8vw, 150px);
  text-align: center;
}

.pa-intro h1 {
  max-width: 760px;
  margin: 0 auto;
  color: var(--pa-cobalt);
  font-size: clamp(3.5rem, 5vw, 4rem);
  font-weight: 300;
  letter-spacing: 0;
  line-height: 1;
}

.pa-intro p {
  max-width: 660px;
  margin: clamp(26px, 3vw, 36px) auto 0;
  color: var(--pa-slate);
  font-size: clamp(1.06rem, 1rem + 0.32vw, 1.24rem);
  font-weight: 400;
  line-height: 1.62;
}

/* Expertise */
.pa-main {
  background: var(--pa-paper);
}

.pa-section {
  padding-block: clamp(70px, 7vw, 102px);
}

.pa-expertise {
  padding-top: 120px;
  padding-bottom: 120px;
  background: var(--pa-cobalt);
}

.pa-section-eyebrow {
  margin-bottom: clamp(42px, 5vw, 60px);
  color: var(--pa-cobalt);
  text-align: center;
}

.pa-expertise .pa-section-eyebrow {
  margin-bottom: 42px;
  color: rgba(255, 255, 255, 0.8);
}

.pa-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 2vw, 28px);
}

.pa-card {
  min-height: 360px;
  padding: clamp(32px, 3vw, 40px);
  border: 1px solid var(--pa-border);
  border-radius: 16px;
  background: var(--pa-white);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.pa-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  margin-bottom: clamp(44px, 4vw, 56px);
  color: var(--pa-cobalt);
}

.pa-card-icon img {
  width: 50px;
  height: 50px;
  object-fit: contain;
}

.pa-card h3 {
  max-width: 240px;
  margin: 0;
  color: var(--pa-cobalt);
  font-size: clamp(1.08rem, 1rem + 0.28vw, 1.22rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.14;
}

.pa-card p {
  margin: 22px 0 0;
  color: var(--pa-slate);
  font-size: clamp(1rem, 0.96rem + 0.16vw, 1.08rem);
  line-height: 1.72;
}

/* Contact */
.pa-contact {
  background: rgba(148, 163, 184, 0.08);
  color: var(--pa-ink);
  border-top: 1px solid var(--pa-border);
}

.pa-contact-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: clamp(420px, 42vw, 500px);
  justify-content: center;
  text-align: center;
}

.pa-contact .pa-eyebrow {
  color: var(--pa-cobalt);
}

.pa-contact h2 {
  max-width: 760px;
  margin: clamp(30px, 3vw, 38px) auto 0;
  color: var(--pa-cobalt);
  font-size: clamp(2.35rem, 1.82rem + 2vw, 3.72rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.08;
}
.pa-contact-link-container {  
  display: grid;  
  grid-template-columns: repeat(2, minmax(0, 1fr));  
  gap: 2rem;  
  align-items: start;
  margin-top: clamp(34px, 3.8vw, 48px);
}
@media (max-width: 700px) {
  .pa-contact-link-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.pa-contact-link-outer {
  margin-top: clamp(34px, 3.8vw, 48px);
}
.pa-contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 12px 24px;
  border: 1px solid rgba(30, 58, 138, 0.22);
  border-radius: 999px;
  background: var(--pa-white);
  color: var(--pa-cobalt);
  font-size: clamp(1.12rem, 1.03rem + 0.38vw, 1.36rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  min-width: 250px;
  text-decoration: none;
  box-shadow: 0 12px 34px rgba(11, 11, 20, 0.035);
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.pa-contact-link:hover,
.pa-contact-link:focus-visible {
  border-color: var(--pa-cobalt);
  background: var(--pa-cobalt);
  color: var(--pa-white);
}

.pa-contact-link svg {
  width: 22px;
  height: 22px;
  color: currentColor;
  stroke-width: 1.7;
}

/* Footer */
.pa-footer {
  padding: 34px 0;
  background: var(--pa-cobalt);
  border-top: 1px solid rgba(252, 253, 254, 0.12);
}

.pa-footer-inner {
  display: flex;
  justify-content: center;
  color: rgba(252, 253, 254, 0.72);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.pa-footer p {
  margin: 0;
}

@media (max-width: 1040px) {
  .pa-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .pa-container {
    width: min(100% - 32px, 1220px);
  }

  .pa-hero,
  .pa-hero-inner {
    min-height: 440px;
  }

  .pa-logo-mark {
    width: min(420px, 84vw);
  }

  .pa-intro h1 {
    max-width: 560px;
    font-size: clamp(2.8rem, 12vw, 3.8rem);
  }

  .pa-card-grid {
    grid-template-columns: 1fr;
  }

  .pa-section-eyebrow {
    margin-bottom: 38px;
  }

  .pa-expertise {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .pa-card {
    min-height: auto;
  }

  .pa-card-icon {
    margin-bottom: 42px;
  }

  .pa-contact-inner {
    min-height: 440px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
