/* Advantageous Group - Design System */
:root {
  --color-primary: #298b67;
  --color-primary-dark: #298b67;
  --color-text: #333;
  --color-text-muted: #6d6e70;
  --color-bg-dark: #1a1a1a;
  --color-bg-hero: #0f1419;
  --color-white: #fff;
  --font-sans: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Raleway', var(--font-sans);
  --max-width: 1200px;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; }

/* Skip link - visually hidden until focused */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0.5rem;
  z-index: 10000;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 700;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 0.5rem;
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg-dark);
  overflow-x: hidden;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* Layout */
main { scroll-margin-top: 5rem; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 0; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}
.logo:hover { opacity: 0.9; text-decoration: none; }
.logo img { height: 36px; width: auto; display: block; }

/* Nav */
.nav-desktop { display: flex; gap: 1.5rem; }
.nav-desktop a {
  color: rgba(255,255,255,0.9);
  font-size: 0.95rem;
}
.nav-desktop a:hover, .nav-desktop a.active { color: var(--color-primary); text-decoration: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
}
@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: flex; }
}
.nav-cta {
  margin-left: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-cta:hover { opacity: 0.9; text-decoration: none; }
.nav-cta:focus-visible { outline: 2px solid var(--color-white); outline-offset: 2px; }
.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg-dark);
  padding: 1rem;
  flex-direction: column;
  gap: 0.5rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a { color: var(--color-white); padding: 0.5rem; }
.nav-mobile .nav-cta {
  margin: 0.5rem 0 0;
  display: inline-block;
  text-align: center;
  color: var(--color-white);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--color-bg-hero);
  overflow: hidden;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.4) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 6rem 1rem 2rem;
  margin-top: 2rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-white);
  margin: 0 0 1rem;
  line-height: 1.2;
}
.hero .typewriter-span {
  color: var(--color-primary);
  font-weight: 700;
  background: var(--color-white);
  padding: 0.2em 0.4em;
  border-radius: 6px;
}
.hero .cursor { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .hero .cursor { animation: none; opacity: 1; }
}
.hero p { color: rgba(255,255,255,0.9); margin: 1rem 0 1.5rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero .hero-tagline { font-size: 1.1rem; color: rgba(255,255,255,0.95); }
.hero .hero-punchy { font-weight: 700; color: var(--color-primary); margin-bottom: 1.5rem; }
.hero .hero-secondary-heading { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.05em; color: rgba(255,255,255,0.6); margin: 2rem 0 0.5rem; }
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.hero-buttons { display: flex; flex-direction: column; align-items: center; gap: 1.25rem; margin-top: 2rem; }
.hero-cta-primary { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.hero-features {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.03em;
  margin: 0;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.hero-stat {
  background: rgba(15, 20, 25, 0.6);
  backdrop-filter: blur(8px);
  padding: 1.25rem 1rem;
  text-align: center;
}
.hero-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}
.hero-stat-label {
  display: block;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.35;
}
@media (max-width: 640px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stat-num { font-size: 1.25rem; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 6px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; color: var(--color-white); }
.btn:focus-visible { outline: 2px solid var(--color-white); outline-offset: 2px; }
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); text-decoration: none; color: var(--color-white); }

/* Page sections */
.page-hero {
  padding: 8rem 0 4rem;
  text-align: center;
  background: var(--color-bg-hero);
  position: relative;
  overflow: hidden;
}
.page-hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--color-white); font-size: clamp(2rem, 4vw, 2.5rem); margin: 0 0 1rem; }
.page-hero p { color: rgba(255,255,255,0.85); margin: 0; }
.page-content { background: var(--color-bg-dark); }
.page-content .prose {
  max-width: 720px;
  margin: 0 auto;
  color: rgba(255,255,255,0.9);
}
.page-content .prose h2 { color: var(--color-primary); margin: 2rem 0 1rem; }
.page-content .prose p { margin: 1rem 0; }
.page-content .prose ul { padding-left: 1.5rem; }

/* Services grid - responsive, mobile-first */
.services-intro {
  text-align: center;
  margin-bottom: 2.5rem;
}
.services-title {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin: 0 0 0.5rem;
}
.services-subtitle {
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  margin: 0;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}
@media (min-width: 600px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}
.service-card {
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.service-icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.service-icon svg {
  width: 100%;
  height: 100%;
}
.service-card h3 {
  color: var(--color-primary);
  font-size: 1.1rem;
  margin: 0;
}
.service-card p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.5;
}

/* Differentiators (home) */
.differentiators-section {
  background: var(--color-bg-hero);
  padding: 5rem 0;
}
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}
@media (max-width: 768px) {
  .diff-grid { grid-template-columns: 1fr; gap: 2rem; }
}
.diff-eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 0.75rem;
}
.diff-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-white);
  margin: 0 0 1.25rem;
}
.diff-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  margin: 0 0 2rem;
}
.diff-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.diff-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.diff-item:last-child { border-bottom: none; padding-bottom: 0; }
.diff-dot {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(41, 139, 103, 0.12);
  border: 1px solid rgba(41, 139, 103, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.8rem;
  margin-top: 2px;
}
.diff-item-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 0.3rem;
}
.diff-item-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.5);
  margin: 0;
}

/* Past clients (home) */
.past-clients-section { padding: 3rem 0; }
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin: 2rem auto 0;
  max-width: 800px;
}
.partner-logo {
  height: 50px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}
.partner-logo-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  min-height: 80px;
  min-width: 120px;
}
@media (max-width: 600px) {
  .partner-logos { gap: 1.5rem; }
  .partner-logo { height: 40px; max-width: 120px; }
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}
.card {
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.08);
}
.card h3 { color: var(--color-primary); margin: 0 0 1rem; }
.card p { color: rgba(255,255,255,0.85); margin: 0; font-size: 0.95rem; }

/* Footer */
.site-footer {
  background: #0d1117;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid h4 { color: var(--color-white); margin: 0 0 1rem; font-size: 1rem; }
.footer-grid a, .footer-grid p { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin: 0.5rem 0; }
.footer-grid a:hover { color: var(--color-primary); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-bottom p { color: rgba(255,255,255,0.5); margin: 0; font-size: 0.875rem; }
.social-links { display: flex; gap: 1rem; }
.social-links a { color: var(--color-primary); font-size: 1.25rem; }
.social-links a:hover { color: var(--color-white); }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.8);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.modal-overlay.open { display: flex; }
.modal-overlay { overscroll-behavior: contain; }
.modal {
  background: var(--color-bg-dark);
  border-radius: 12px;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 1.5rem;
  cursor: pointer;
}
.modal-close:hover { color: var(--color-white); }
.modal-close:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.modal h2 { color: var(--color-primary); margin: 0 0 1rem; }
.modal p, .modal img { margin: 1rem 0; max-width: 100%; }

/* Contact */
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; align-items: center; text-align: center; }
.contact-info a { color: var(--color-primary); font-size: 1.25rem; }
.contact-info a:hover { color: var(--color-white); }
.contact-info a.btn-primary { color: var(--color-white); }
.contact-info a.btn-primary:hover { color: var(--color-white); }

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}
.blog-card {
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}
.blog-card img { width: 100%; height: 200px; object-fit: cover; }
.blog-card-content { padding: 1.5rem; }
.blog-card h3 { margin: 0 0 0.5rem; }
.blog-card h3 a { color: var(--color-white); }
.blog-card h3 a:hover { color: var(--color-primary); }
.blog-card .meta { color: rgba(255,255,255,0.5); font-size: 0.875rem; margin-bottom: 0.5rem; }
.blog-card p { color: rgba(255,255,255,0.8); font-size: 0.95rem; margin: 0; }
.blog-post .prose { padding: 2rem 0; }
.blog-post .prose img { max-width: 100%; height: auto; }

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.team-member { text-align: center; }
.team-member img { width: 200px; height: 200px; border-radius: 50%; object-fit: cover; }
.team-member h3 { color: var(--color-primary); margin: 1rem 0 0.5rem; }
.team-member p { color: rgba(255,255,255,0.8); margin: 0; }

/* CTA banner (home) */
.cta-banner {
  padding: 4rem 0;
  background: var(--color-primary);
}
.cta-banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}
@media (max-width: 768px) {
  .cta-banner-inner {
    flex-direction: column;
    text-align: center;
  }
}
.cta-banner-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-white);
  margin: 0;
}
.cta-banner-text em { font-style: italic; font-weight: 400; }
.cta-banner-actions {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
  align-items: center;
}
@media (max-width: 480px) {
  .cta-banner-actions { flex-direction: column; }
}
.btn-dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-dark:hover { background: #2a2a2a; text-decoration: none; color: var(--color-white); }
.btn-dark:focus-visible { outline: 2px solid var(--color-white); outline-offset: 2px; }
.btn-outline-dark {
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: 6px;
  border: 2px solid rgba(255,255,255,0.5);
  background: transparent;
  transition: var(--transition);
}
.btn-outline-dark:hover { border-color: var(--color-white); background: rgba(255,255,255,0.1); text-decoration: none; color: var(--color-white); }

/* Fade-up entrance animation */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.hero .fade-up {
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
}
.hero .fade-up:nth-child(1) { animation-delay: 0.1s; }
.hero .fade-up:nth-child(2) { animation-delay: 0.2s; }
.hero .fade-up:nth-child(3) { animation-delay: 0.3s; }
.hero .fade-up:nth-child(4) { animation-delay: 0.4s; }
.hero .fade-up:nth-child(5) { animation-delay: 0.5s; }
.hero .fade-up:nth-child(6) { animation-delay: 0.55s; }
.hero .fade-up:nth-child(7) { animation-delay: 0.6s; }
.hero .fade-up:nth-child(8) { animation-delay: 0.65s; }
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  .hero .fade-up { opacity: 1; animation: none; }
}