/* ===== Variables ===== */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2234;
  --bg-card-hover: #1f2a40;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #94a3b8;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.12);
  --accent-soft: rgba(59, 130, 246, 0.1);
  --gradient-start: #3b82f6;
  --gradient-end: #8b5cf6;
  --border: rgba(148, 163, 184, 0.1);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --header-height: 72px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--accent-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text-primary); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.header.scrolled { background: rgba(10, 14, 23, 0.95); }

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}
.logo-img {
  height: 52px;
  width: auto;
  max-width: none;
  object-fit: contain;
  display: block;
}
.logo-icon { color: var(--accent); font-size: 1.5rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text-primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.32);
  color: white;
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(148, 163, 184, 0.25);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent-soft);
}
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.85rem; }
.btn-outline-nav {
  background: transparent;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 8px;
}
.btn-outline-nav:hover { border-color: var(--accent); color: var(--accent-light) !important; }
.btn-full { width: 100%; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -15%, rgba(59, 130, 246, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 85% 70%, rgba(139, 92, 246, 0.04), transparent);
  pointer-events: none;
}
.hero-content {
  position: relative;
  padding: 4rem 1.5rem;
  max-width: 800px;
}
.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--accent-soft);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent-light);
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}
.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ===== Sections ===== */
.section { padding: 6rem 0; }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  margin-bottom: 0.75rem;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}
.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.category-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 3rem 0 1.5rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--accent);
}

/* ===== Products Grid ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}
.products-grid.compact {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.product-card.featured {
  border-color: rgba(59, 130, 246, 0.15);
}
.product-card.security {
  border-color: rgba(139, 92, 246, 0.15);
}
.product-card.internal {
  opacity: 0.85;
}

.product-icon { font-size: 2rem; margin-bottom: 1rem; }
.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.product-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-light);
  background: var(--accent-soft);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  border: 1px solid rgba(59, 130, 246, 0.2);
}
.product-link {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.product-link:hover { color: var(--accent-light); }

.product-card h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.product-repo {
  font-size: 0.7rem;
  font-weight: 500;
  font-family: var(--font-body);
  color: var(--text-muted);
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--border);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}
.product-card > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  flex-grow: 0;
}
.product-features {
  margin-bottom: 1.25rem;
  flex-grow: 1;
}
.product-features li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.product-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}
.tech-tags span {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

/* ===== Services ===== */
.services { background: var(--bg-secondary); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.service-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
}
.service-card:hover {
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
}
.service-icon { font-size: 2rem; margin-bottom: 1rem; }
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}
.service-card > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.service-card ul li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-left: 1rem;
  margin-bottom: 0.3rem;
  position: relative;
}
.service-card ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--gradient-end));
}
.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
  padding-left: 2rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-primary);
  transform: translateX(-5px);
}
.timeline-year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-light);
  margin-bottom: 0.35rem;
}
.timeline-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}
.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}
.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.contact-details { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact-icon { font-size: 1.25rem; margin-top: 0.15rem; }
.contact-item strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}
.contact-item a, .contact-item span {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note {
  text-align: center;
  font-size: 0.85rem;
  margin-top: 0.75rem;
  color: var(--accent-light);
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}
.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
}
.footer-links h5 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.footer-links li {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-content { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .hero-stats { gap: 2rem; }
  .products-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; }
}