/* OpsForge Labs — global styles */
:root {
  --bg-deep: #050810;
  --bg-panel: #0c1222;
  --bg-elevated: #111827;
  --border: rgba(99, 102, 241, 0.22);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --accent-blue: #3b82f6;
  --accent-violet: #8b5cf6;
  --accent-cyan: #22d3ee;
  --gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 55%, #a855f7 100%);
  --gradient-subtle: linear-gradient(180deg, rgba(59, 130, 246, 0.12) 0%, transparent 50%);
  --radius: 12px;
  --radius-lg: 20px;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Outfit", system-ui, sans-serif;
  --shadow-glow: 0 0 80px rgba(139, 92, 246, 0.15);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-deep);
  min-height: 100vh;
}

/* Background mesh */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(139, 92, 246, 0.15), transparent),
    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(34, 211, 238, 0.08), transparent),
    var(--bg-deep);
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, black 0%, transparent 85%);
  pointer-events: none;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #67e8f9;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: white;
  box-shadow: var(--shadow-glow);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--text-muted);
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  font-size: 0.925rem;
  font-weight: 500;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--text);
  background: rgba(99, 102, 241, 0.12);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

@media (max-width: 880px) {
  .nav-toggle {
    display: block;
  }

  .nav-list {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: rgba(12, 18, 34, 0.98);
    border-bottom: 1px solid var(--border);
    gap: 0.25rem;
    display: none;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list a {
    padding: 0.85rem 1rem;
  }

  .header-cta .btn-outline {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.35rem;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.925rem;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 32px rgba(139, 92, 246, 0.45);
  color: white;
}

.btn-secondary {
  background: rgba(59, 130, 246, 0.15);
  color: var(--text);
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.25);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: rgba(139, 92, 246, 0.5);
  background: rgba(99, 102, 241, 0.08);
  color: white;
}

.btn-lg {
  padding: 0.85rem 1.65rem;
  font-size: 1rem;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  margin: 0 0 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  margin: 0 0 1rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 54ch;
  margin: 0 0 2rem;
}

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

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(4rem, 10vw, 6rem);
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.8);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.hero-badge span.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  margin: 0 0 1rem;
  max-width: 16ch;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 52ch;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.hero-visual {
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-panel);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ef4444; }
.terminal-dots span:nth-child(2) { background: #eab308; }
.terminal-dots span:nth-child(3) { background: #22c55e; }

.terminal-body {
  padding: 1.25rem 1.25rem 1.5rem;
  font-family: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.terminal-body .prompt { color: var(--accent-cyan); }
.terminal-body .cmd { color: var(--text); }
.terminal-body .hl { color: #a78bfa; }

/* Sections */
section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-header {
  margin-bottom: 2.5rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(165deg, rgba(17, 24, 39, 0.9) 0%, rgba(12, 18, 34, 0.6) 100%);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(139, 92, 246, 0.35);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.icon-tag {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.25);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 768px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

.list-check {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-check li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  color: var(--text-muted);
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient);
}

/* Tracks */
.track-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.5);
  margin-bottom: 0.85rem;
}

.track-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient);
  color: white;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  display: grid;
  place-items: center;
}

.track-item h4 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.track-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.testimonial {
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px dashed rgba(148, 163, 184, 0.35);
  background: rgba(17, 24, 39, 0.4);
}

.testimonial blockquote {
  margin: 0 0 1rem;
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.testimonial cite {
  font-size: 0.85rem;
  font-style: normal;
  color: var(--text-muted);
}

/* CTA band */
.cta-band {
  margin: 2rem 0;
  padding: clamp(2.5rem, 5vw, 4rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.12) 100%),
    var(--bg-panel);
  text-align: center;
}

.cta-band h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.cta-band p {
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  max-width: 48ch;
  margin-inline: auto;
}

/* Page hero (inner pages) */
.page-hero {
  padding: clamp(2.5rem, 6vw, 4rem) 0 2rem;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0 0 0.75rem;
}

.page-hero p {
  margin: 0;
  color: var(--text-muted);
  max-width: 60ch;
}

/* Blog list */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.blog-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.45);
  transition: border-color 0.2s ease;
}

.blog-row:hover {
  border-color: rgba(139, 92, 246, 0.35);
}

.blog-row h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.blog-row p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.blog-tag {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-panel);
}

.contact-card h3 {
  margin-top: 0;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: rgba(139, 92, 246, 0.55);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-brand p {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 32ch;
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

/* Utilities */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }