/* ============================================
   SIG AI — Design System & Styles
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --color-bg-primary: #06080d;
  --color-bg-secondary: #0c1019;
  --color-bg-card: rgba(14, 19, 32, 0.65);
  --color-bg-glass: rgba(255, 255, 255, 0.04);
  --color-bg-glass-hover: rgba(255, 255, 255, 0.08);

  --color-accent: #00c2ff;
  --color-accent-glow: rgba(0, 194, 255, 0.3);
  --color-accent-soft: rgba(0, 194, 255, 0.12);
  --color-accent-2: #6c5ce7;
  --color-accent-gradient: linear-gradient(135deg, #00c2ff 0%, #6c5ce7 100%);
  --color-accent-gradient-soft: linear-gradient(135deg, rgba(0, 194, 255, 0.15) 0%, rgba(108, 92, 231, 0.15) 100%);

  --color-text-primary: #f0f2f8;
  --color-text-secondary: #8b93a8;
  --color-text-muted: #4a5168;

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(0, 194, 255, 0.25);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px var(--color-accent-glow);
  --shadow-elevated: 0 20px 60px rgba(0, 0, 0, 0.5);

  color-scheme: dark;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 4px;
}

/* ---------- Animated Background ---------- */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg-mesh::before,
.bg-mesh::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
  animation: float-mesh 18s ease-in-out infinite alternate;
}

.bg-mesh::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 194, 255, 0.15), transparent 70%);
  top: -10%;
  right: -5%;
}

.bg-mesh::after {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.12), transparent 70%);
  bottom: -10%;
  left: -5%;
  animation-delay: -9s;
}

.bg-mesh .orb-3 {
  position: absolute;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 194, 255, 0.08), transparent 70%);
  filter: blur(100px);
  top: 50%;
  left: 40%;
  animation: float-mesh 22s ease-in-out infinite alternate-reverse;
}

@keyframes float-mesh {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
  100% { transform: translate(30px, -10px) scale(1.02); }
}

/* ---------- Grid Lines (decorative) ---------- */
.grid-lines {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ---------- Container ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: var(--transition-base);
  backdrop-filter: blur(0px);
}

.navbar.scrolled {
  backdrop-filter: blur(20px);
  background: rgba(6, 8, 13, 0.85);
  border-bottom: 1px solid var(--color-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo .logo-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.nav-logo .logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.5px;
}

.nav-logo .logo-text span {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  border-radius: 2px;
  transition: var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  background: var(--color-accent-gradient);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  color: #fff;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-accent-glow);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  width: 26px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.hero-content {
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent-glow);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero h1 .gradient-text {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.12rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  max-width: 620px;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.45s both;
}

.btn-primary {
  padding: 16px 36px;
  background: var(--color-accent-gradient);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: 0 4px 25px var(--color-accent-glow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px var(--color-accent-glow);
}

.btn-outline {
  padding: 16px 36px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  transform: translateY(-3px);
}

/* Hero decorative element */
.hero-visual {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 550px;
  height: 550px;
  pointer-events: none;
  opacity: 0.6;
}

.hero-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: spin-slow 25s linear infinite;
}

.hero-ring:nth-child(1) {
  width: 100%;
  height: 100%;
  border-color: rgba(0, 194, 255, 0.08);
}

.hero-ring:nth-child(2) {
  width: 75%;
  height: 75%;
  top: 12.5%;
  left: 12.5%;
  border-color: rgba(108, 92, 231, 0.1);
  animation-direction: reverse;
  animation-duration: 18s;
}

.hero-ring:nth-child(3) {
  width: 50%;
  height: 50%;
  top: 25%;
  left: 25%;
  border-color: rgba(0, 194, 255, 0.12);
  animation-duration: 12s;
}

.hero-ring-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 15px var(--color-accent-glow);
  top: -5px;
  left: 50%;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---------- Section Base ---------- */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-label::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--color-accent-gradient);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  max-width: 680px;
}

/* ---------- Divider ---------- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: 0;
}

/* ---------- About Section ---------- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  margin-top: var(--space-xl);
}

.about-text p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: var(--space-md);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat-card {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-glass-hover);
  transform: translateY(-4px);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* ---------- Why SIG AI (Pillars) ---------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.pillar-card {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent-gradient);
  opacity: 0;
  transition: var(--transition-base);
}

.pillar-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-glass-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-accent-gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.pillar-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.pillar-text {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ---------- Leadership ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.team-card {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
  position: relative;
}

.team-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-elevated);
}

.team-card-img {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.team-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.team-card:hover .team-card-img img {
  transform: scale(1.05);
}

.team-card-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, var(--color-bg-primary), transparent);
  pointer-events: none;
}

.team-card-info {
  padding: var(--space-md);
  text-align: center;
  position: relative;
  margin-top: -30px;
  z-index: 1;
}

.team-card-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.team-card-role {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 4px;
}

/* ---------- Quote Banner ---------- */
.quote-banner {
  background: var(--color-accent-gradient-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-2xl);
  text-align: center;
  margin-top: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.quote-banner::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 30px;
  font-family: var(--font-heading);
  font-size: 10rem;
  font-weight: 900;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.1;
  line-height: 1;
}

.quote-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.7;
  font-style: italic;
  color: var(--color-text-primary);
  max-width: 700px;
  margin: 0 auto;
}

/* ---------- Contact Grid ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  width: 100%;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: var(--space-md);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  cursor: pointer;
}

.contact-item:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-glass-hover);
  transform: translateY(-4px);
}

.contact-icon {
  font-size: 1.6rem;
}

.contact-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-value {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-primary);
  word-break: break-all;
  text-align: center;
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-sm);
}

.footer-brand .logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--color-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
}

.footer-brand .brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Scroll Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Fade In Up animation ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Particle dots for hero ---------- */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0;
  animation: particle-float 6s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 25%; top: 60%; animation-delay: 1s; }
.particle:nth-child(3) { left: 50%; top: 30%; animation-delay: 2s; }
.particle:nth-child(4) { left: 70%; top: 70%; animation-delay: 3s; }
.particle:nth-child(5) { left: 85%; top: 40%; animation-delay: 4s; }
.particle:nth-child(6) { left: 40%; top: 80%; animation-delay: 0.5s; }
.particle:nth-child(7) { left: 60%; top: 15%; animation-delay: 1.5s; }
.particle:nth-child(8) { left: 90%; top: 55%; animation-delay: 2.5s; }

@keyframes particle-float {
  0%, 100% { opacity: 0; transform: translateY(0) scale(0.5); }
  30% { opacity: 0.6; }
  50% { opacity: 0.4; transform: translateY(-50px) scale(1); }
  70% { opacity: 0.3; }
}

/* ---------- Services Section ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.service-card {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, var(--color-accent-glow) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition-slow);
  pointer-events: none;
}

.service-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.service-card:hover::after {
  opacity: 0.05;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-accent-gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.6rem;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.service-text {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ---------- CTA Section ---------- */
.cta-section {
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-box {
  background: var(--color-accent-gradient-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--color-accent-gradient);
  border-radius: 2px;
}

.cta-box h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

.cta-box p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero-visual {
    display: none;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .footer-brand-col {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 8, 13, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.3rem;
  }

  .nav-hamburger {
    display: flex;
    z-index: 1001;
  }

  .nav-hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(7px);
  }

  .nav-hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-7px);
  }

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

  .team-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

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

  .quote-banner {
    padding: var(--space-lg) var(--space-md);
  }

  .quote-text {
    font-size: 1.1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-outline {
    text-align: center;
    justify-content: center;
  }

  .footer-top {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-tagline {
    margin: 0 auto;
  }

  .footer-links {
    align-items: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
  }
}

@media (max-width: 480px) {
  .team-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }
}