:root {
  --navy: #1b365d;
  --navy-dark: #122640;
  --teal: #5fb4b4;
  --teal-dark: #4a9696;
  --teal-light: #e8f4f4;
  --white: #ffffff;
  --gray-50: #f8fafb;
  --gray-100: #eef2f5;
  --gray-300: #c5cdd6;
  --gray-500: #6b7a8a;
  --gray-700: #3d4a57;
  --shadow-sm: 0 1px 3px rgb(27 54 93 / 0.06);
  --shadow-md: 0 8px 30px rgb(27 54 93 / 0.08);
  --shadow-lg: 0 20px 50px rgb(27 54 93 / 0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --header-h: 72px;
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--teal-dark);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--navy);
}

ul {
  list-style: none;
}

.container {
  width: min(1120px, 100% - 2rem);
  margin-inline: auto;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-dark);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--gray-300);
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.btn-full {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgb(255 255 255 / 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  height: 40px;
  width: auto;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--white);
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.site-nav.is-open {
  transform: translateX(0);
}

.site-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.site-nav a {
  display: block;
  padding: 0.875rem 1rem;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--navy);
  border-radius: 8px;
}

.site-nav a:hover {
  background: var(--teal-light);
  color: var(--teal-dark);
}

.hero {
  padding: 3rem 0 4rem;
  background:
    radial-gradient(ellipse 80% 60% at 90% 10%, rgb(95 180 180 / 0.12), transparent),
    linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--gray-500);
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.orbit-card {
  position: relative;
  width: min(280px, 70vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}

.orbit-core {
  width: 96px;
  height: 96px;
  color: var(--teal);
}

.orbit-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--teal);
  border-radius: 50%;
  opacity: 0.6;
}

.orbit-dot:nth-child(1) {
  top: 18%;
  left: 22%;
  animation: float 4s ease-in-out infinite;
}

.orbit-dot:nth-child(2) {
  top: 62%;
  right: 16%;
  animation: float 4s ease-in-out 1s infinite;
}

.orbit-dot:nth-child(3) {
  bottom: 20%;
  left: 30%;
  width: 6px;
  height: 6px;
  animation: float 4s ease-in-out 2s infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--gray-50);
}

.section-header {
  max-width: 640px;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.0625rem;
  color: var(--gray-500);
}

.services-grid {
  display: grid;
  gap: 1.25rem;
}

.service-card {
  padding: 1.75rem;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: rgb(95 180 180 / 0.4);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--teal-light);
  color: var(--teal-dark);
  border-radius: 10px;
  margin-bottom: 1.25rem;
}

.service-icon svg {
  width: 22px;
  height: 22px;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.approach-grid {
  display: grid;
  gap: 2.5rem;
}

.approach-list {
  display: grid;
  gap: 1rem;
}

.approach-list li {
  padding: 1.25rem 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  border-left: 3px solid var(--teal);
  box-shadow: var(--shadow-sm);
}

.approach-list strong {
  display: block;
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.approach-list span {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

.contact-panel {
  display: grid;
  gap: 2.5rem;
  padding: 2.5rem;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-content p {
  color: rgb(255 255 255 / 0.75);
  margin-bottom: 1.5rem;
}

.contact-content .eyebrow {
  color: var(--teal);
}

.contact-email {
  display: inline-block;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--teal);
}

.contact-email:hover {
  color: var(--white);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.375rem;
}

.contact-form span {
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgb(255 255 255 / 0.7);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--navy);
  background: var(--white);
  border: 2px solid transparent;
  border-radius: 8px;
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.site-footer {
  padding: 2.5rem 0;
  background: var(--navy-dark);
  color: rgb(255 255 255 / 0.65);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand {
  padding: 0.625rem 1rem;
  background: var(--white);
  border-radius: 10px;
}

.footer-logo {
  height: 40px;
  width: auto;
}

.footer-meta p {
  font-size: 0.8125rem;
  line-height: 1.7;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    padding: 0;
    transform: none;
    background: none;
  }

  .site-nav ul {
    flex-direction: row;
    gap: 0.5rem;
  }

  .site-nav a {
    font-size: 0.9375rem;
    padding: 0.5rem 1rem;
  }

  .hero {
    padding: 5rem 0 6rem;
  }

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

  .approach-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .contact-panel {
    grid-template-columns: 1fr 1fr;
    padding: 3rem;
    align-items: start;
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .logo {
    height: 48px;
  }
}

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

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