/* ===== Additive Engineering Solutions, LLC - Main Stylesheet ===== */
:root {
  --bg-primary: #140e08;
  --bg-secondary: #1a130c;
  --bg-card: #241b10;
  --bg-card-hover: #2d2215;
  --accent-primary: #f59e0b;
  --accent-secondary: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.3);
  --text-primary: #fff7ed;
  --text-secondary: #b8a58e;
  --text-muted: #8a7a66;
  --border-color: #2e2216;
  --gradient-1: linear-gradient(135deg, #f59e0b, #d97706);
  --gradient-2: linear-gradient(135deg, #d97706, #b45309);
  --gradient-hero: linear-gradient(135deg, #140e08 0%, #1a130c 50%, #1a0e06 100%);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(245, 158, 11, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: #fbbf24; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 12px;
  position: relative;
}
.section-label::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--gradient-1);
  margin-top: 8px;
}
.section-title { font-size: 2.5rem; font-weight: 700; margin-bottom: 16px; line-height: 1.2; }
.section-subtitle { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; line-height: 1.8; }

#particles-canvas {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none;
}

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 0;
  transition: var(--transition); background: transparent;
}
.navbar.scrolled {
  background: rgba(20, 14, 8, 0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05); padding: 10px 0;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: flex; align-items: center; gap: 12px; font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }
.nav-brand .brand-icon {
  width: 38px; height: 38px; background: var(--gradient-1); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 0.85rem; font-weight: 800; color: #fff;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; position: relative; padding: 4px 0; }
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--gradient-1); transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta {
  background: var(--gradient-1); color: #fff !important; padding: 10px 24px !important;
  border-radius: 8px; font-weight: 600 !important; transition: var(--transition);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-primary); transition: var(--transition); border-radius: 2px; }

.hero {
  min-height: 100vh; background: var(--gradient-hero); display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.15) 0%, transparent 70%); border-radius: 50%; pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; left: -10%; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%); border-radius: 50%; pointer-events: none;
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content { padding-top: 80px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2); padding: 6px 16px; border-radius: 100px;
  font-size: 0.8rem; color: var(--accent-primary); margin-bottom: 24px;
}
.hero-badge .dot { width: 6px; height: 6px; background: var(--accent-primary); border-radius: 50%; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(0.8); } }
.hero-title { font-size: 3.5rem; font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.hero-title .highlight { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: 1.15rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 36px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 8px;
  font-size: 0.95rem; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); text-decoration: none;
}
.btn-primary { background: var(--gradient-1); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245, 158, 11, 0.35); color: #fff; }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { border-color: var(--accent-primary); color: var(--accent-primary); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--accent-primary); border: 1px solid var(--accent-primary); }
.btn-outline:hover { background: rgba(245, 158, 11, 0.1); transform: translateY(-2px); }
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; padding-top: 80px; }
.hero-orb {
  width: 400px; height: 400px;
  background: radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.05));
  border-radius: 50%; position: relative; animation: orb-float 8s ease-in-out infinite;
}
@keyframes orb-float { 0%,100% { transform:translateY(0) scale(1); } 50% { transform:translateY(-20px) scale(1.02); } }
.hero-orb-ring {
  position: absolute; inset: -20px; border: 1px solid rgba(245, 158, 11, 0.15);
  border-radius: 50%; animation: spin 20s linear infinite;
}
.hero-orb-ring:nth-child(2) { inset: -40px; animation-duration: 30s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-stat {
  position: absolute; background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius); padding: 16px 20px; box-shadow: var(--shadow-card); backdrop-filter: blur(10px);
}
.hero-stat .stat-num { font-size: 1.5rem; font-weight: 700; color: var(--accent-primary); }
.hero-stat .stat-label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 2px; }
.hero-stat:nth-child(3) { top: 20%; right: -10%; }
.hero-stat:nth-child(4) { bottom: 20%; left: -10%; }
.hero-stat:nth-child(5) { bottom: 10%; right: 10%; }

.services { background: var(--bg-secondary); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.service-card {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
  padding: 36px 28px; transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: var(--gradient-1); transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.service-icon {
  width: 52px; height: 52px; background: rgba(245, 158, 11, 0.1); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 20px;
}
.service-card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 12px; }
.service-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-top: 40px; }
.about-text .about-features { margin-top: 32px; display: grid; gap: 16px; }
.about-feature { display: flex; align-items: flex-start; gap: 14px; }
.about-feature .check {
  width: 24px; height: 24px; background: rgba(245, 158, 11, 0.15); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--accent-primary); flex-shrink: 0; margin-top: 2px;
}
.about-feature h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.about-feature p { font-size: 0.85rem; color: var(--text-secondary); }
.about-image-frame {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg);
  padding: 40px; position: relative; overflow: hidden;
}
.about-image-frame::before {
  content: ''; position: absolute; top: -50%; right: -50%; width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.1), transparent); border-radius: 50%;
}
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.about-stat {
  text-align: center; padding: 24px 16px; background: var(--bg-secondary);
  border-radius: var(--radius); border: 1px solid var(--border-color);
}
.about-stat .stat-num {
  font-size: 2rem; font-weight: 700; background: var(--gradient-1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.about-stat .stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 4px; }

.expertise { background: var(--bg-primary); }
.expertise-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 48px; }
.expertise-item {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
  padding: 28px; display: flex; align-items: center; gap: 16px; transition: var(--transition);
}
.expertise-item:hover { background: var(--bg-card-hover); transform: translateX(4px); }
.expertise-item .icon {
  width: 44px; height: 44px; background: rgba(245, 158, 11, 0.1); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.2rem;
}
.expertise-item .info h4 { font-size: 0.95rem; font-weight: 600; }
.expertise-item .info p { font-size: 0.8rem; color: var(--text-secondary); margin-top: 2px; }

.testimonials { background: var(--bg-secondary); }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
  padding: 32px; transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.testimonial-stars { color: #f59e0b; margin-bottom: 16px; font-size: 0.9rem; }
.testimonial-card blockquote { font-size: 0.9rem; color: var(--text-secondary); font-style: italic; line-height: 1.7; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-author .avatar {
  width: 40px; height: 40px; background: var(--gradient-1); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 0.9rem; color: #fff;
}
.testimonial-author .name { font-size: 0.9rem; font-weight: 600; }
.testimonial-author .role { font-size: 0.75rem; color: var(--text-muted); }

.contact-cta { background: var(--gradient-hero); text-align: center; position: relative; overflow: hidden; }
.contact-cta::before {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 500px; height: 500px; background: radial-gradient(circle, rgba(245, 158, 11, 0.08), transparent 70%); border-radius: 50%;
}
.contact-cta .container { position: relative; z-index: 1; }
.contact-cta h2 { font-size: 2.5rem; }
.contact-cta p { color: var(--text-secondary); max-width: 500px; margin: 16px auto 32px; }

.footer { background: var(--bg-primary); border-top: 1px solid var(--border-color); padding: 80px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .brand-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.footer-brand p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.7; max-width: 300px; }
.footer h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 20px; color: var(--text-primary); }
.footer-links a { display: block; color: var(--text-secondary); font-size: 0.85rem; padding: 6px 0; transition: var(--transition); }
.footer-links a:hover { color: var(--accent-primary); padding-left: 4px; }
.footer-contact .contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 0.85rem; color: var(--text-secondary); }
.footer-contact .contact-item .icon { flex-shrink: 0; }
.footer-bottom { border-top: 1px solid var(--border-color); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--text-muted); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: var(--text-muted); font-size: 0.8rem; }
.footer-bottom-links a:hover { color: var(--accent-primary); }

.page-header { padding: 160px 0 80px; background: var(--gradient-hero); text-align: center; position: relative; }
.page-header::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at center, rgba(217, 119, 6, 0.08), transparent);
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { font-size: 3rem; font-weight: 800; margin-bottom: 16px; }
.page-header p { color: var(--text-secondary); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.content-section { padding: 80px 0; }
.content-section h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 24px; }
.content-section h3 { font-size: 1.3rem; font-weight: 600; margin-bottom: 16px; margin-top: 32px; }
.content-section p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.content-section ul, .content-section ol { color: var(--text-secondary); line-height: 1.8; padding-left: 24px; margin-bottom: 16px; }
.content-section ul { list-style: disc; }
.content-section ol { list-style: decimal; }
.content-section li { margin-bottom: 8px; }
.content-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 40px; margin-bottom: 32px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 40px; }
.contact-info-list { display: grid; gap: 24px; }
.contact-info-item {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
  padding: 24px; display: flex; align-items: flex-start; gap: 16px;
}
.contact-info-item .icon {
  width: 48px; height: 48px; background: rgba(245, 158, 11, 0.1); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.3rem;
}
.contact-info-item h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.contact-info-item p { font-size: 0.85rem; color: var(--text-secondary); }
.contact-form { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 6px; color: var(--text-primary); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: 8px; color: var(--text-primary); font-size: 0.9rem; font-family: inherit; transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--accent-primary); box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { min-height: 120px; resize: vertical; }

.services-page-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 40px; }
.service-page-card {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
  padding: 36px; transition: var(--transition);
}
.service-page-card:hover { background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.service-page-card .icon {
  width: 56px; height: 56px; background: rgba(245, 158, 11, 0.1); border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 20px;
}
.service-page-card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 12px; }
.service-page-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

@media (max-width:1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content { padding-top: 100px; }
  .hero-desc { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2,1fr); }
  .testimonial-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width:768px) {
  .nav-links {
    display: none; position: fixed; top: 70px; left: 0; right: 0;
    background: rgba(20,14,8,0.98); backdrop-filter: blur(20px);
    flex-direction: column; padding: 24px; gap: 16px; border-bottom: 1px solid var(--border-color);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-title { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .expertise-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .services-page-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .page-header h1 { font-size: 2.2rem; }
}