/* ═══════════════════════════════════════════
   BusyBytes — Wireframe / Terminal Theme
   Pure black · white text · blue accents
   ══════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #000;
  --white: #f0f0f0;
  --blue: #3b82f6;
  --blue-dim: rgba(59, 130, 246, 0.15);
  --border-color: rgba(59, 130, 246, 0.25);
  --mono: 'Courier New', Courier, monospace;
  --max-w: 1000px;
}

html { scroll-behavior: smooth; }

body {
  font-weight: 500;
  font-family: var(--mono);
  background: var(--black);
  color: var(--white);
  line-height: 2;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.75; }

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

/* ═══ Layout ═══ */
.container { width: min(var(--max-w), 88%); margin: 0 auto; }

section { padding: 4rem 0; }

/* ═══ ASCII Divider ═══ */
.divider {
  border: none; border-top: 1px solid var(--border-color);
  margin: 2rem 0; opacity: 0.5;
}

/* ═══ Header / Nav ═══ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(0, 0, 0, 0.92);
  border-bottom: 1px solid var(--border-color);
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 0;
}

.logo-link { text-decoration: none; }

.logo-text {
  font-family: var(--mono);
  font-size: 1.2rem; font-weight: bold; letter-spacing: 0.08em;
  color: #fff;
}

.logo-text .at { color: var(--blue); }
.logo-text .prompt { color: var(--blue); margin-right: 2px; }

nav { display: flex; gap: 1.75rem; align-items: center; }

nav a {
  font-family: var(--mono);
  color: rgba(240,240,240,0.85);
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em;
}

nav a:hover, nav a.active { color: var(--blue); opacity: 1; }

/* Mobile menu */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.menu-toggle span { display: block; width: 22px; height: 1px; background: var(--blue); margin: 4px 0; transition: 0.3s; }

/* ═══ Hero ═══ */
.hero {
  padding: 7rem 0 5rem;
  position: relative; border-bottom: 1px solid var(--border-color);
}

.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 20%, rgba(59,130,246,0.06) 0%, transparent 55%);
  pointer-events: none;
}

.hero-tag {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--blue); margin-bottom: 1.25rem; display: block;
}

.hero h1 {
  font-family: var(--mono);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: bold; letter-spacing: -0.01em;
  line-height: 1.2; margin-bottom: 1.5rem; color: #fff;
}

.hero h1 span { color: var(--blue); }

.hero p {
  font-size: 1rem; color: rgba(240,240,240,0.90);
  max-width: 580px; margin: 0 auto 2rem; line-height: 2;
}

/* ═══ Buttons ═══ */
.btn {
  display: inline-block; padding: 0.75rem 1.75rem;
  font-family: var(--mono); font-size: 0.9rem; text-transform: uppercase;
  letter-spacing: 0.1em; transition: all 0.2s; cursor: pointer; border: none; text-align: center;
}

.btn-primary {
  background: transparent; color: var(--blue);
  border: 1px solid var(--blue);
}
.btn-primary:hover { opacity: 1; background: rgba(59,130,246,0.1); }

.btn-outline {
  background: transparent; color: rgba(240,240,240,0.85);
  border: 1px solid rgba(240,240,240,0.15);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); opacity: 1; }

.btn-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }

/* ═══ Section Headers ═══ */
.section-label {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--blue); margin-bottom: 0.75rem; display: block;
}

.section-title {
  font-family: var(--mono);
  font-size: clamp(1.4rem, 3vw, 2rem); font-weight: bold;
  color: #fff; margin-bottom: 1rem; letter-spacing: -0.01em;
}

.section-desc {
  color: rgba(240,240,240,0.85); max-width: 600px; margin-bottom: 3rem;
  font-size: 1.05rem; line-height: 2;
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ═══ Service Cards (Wireframe) ═══ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  transition: all 0.3s; position: relative;
  background: transparent;
}

.service-card::before {
  content: ''; position: absolute; top: -1px; left: -1px;
  width: 8px; height: 8px;
  border-top: 1px solid var(--blue); border-left: 1px solid var(--blue);
  opacity: 0; transition: opacity 0.3s;
}

.service-card::after {
  content: ''; position: absolute; bottom: -1px; right: -1px;
  width: 8px; height: 8px;
  border-bottom: 1px solid var(--blue); border-right: 1px solid var(--blue);
  opacity: 0; transition: opacity 0.3s;
}

.service-card:hover {
  border-color: rgba(59,130,246,0.5);
  background: rgba(59,130,246,0.02);
}

.service-card:hover::before,
.service-card:hover::after { opacity: 1; }

.card-header {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem;
}

.card-icon {
  width: 36px; height: 36px; border: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--blue); flex-shrink: 0;
}

.service-card h3 {
  font-family: var(--mono);
  font-size: 1.05rem; color: #fff; letter-spacing: 0.02em;
}

.service-card p {
  color: rgba(240,240,240,0.85); font-size: 1rem; line-height: 2; margin-bottom: 1rem;
}

.service-card ul { list-style: none; padding: 0; }

.service-card li {
  color: rgba(240,240,240,0.85); font-size: 1rem;
  padding: 0.3rem 0; border-bottom: 1px solid rgba(59,130,246,0.08);
}

.service-card li:last-child { border-bottom: none; }

.service-card li::before { content: '> '; color: var(--blue); }

/* ═══ About / Trust ═══ */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start;
}

.about-text h3 { color: #fff; font-size: 1.2rem; margin-bottom: 0.5rem; }
.about-text p { color: rgba(240,240,240,0.85); margin-bottom: 1.25rem; font-size: 1rem; }

.stat-row { display: flex; gap: 2rem; }
.stat { text-align: left; padding: 1rem; border-left: 1px solid var(--border-color); }
.stat strong { display: block; font-size: 1.4rem; color: #fff; margin-bottom: 0.25rem; }
.stat span { font-size: 0.75rem; color: rgba(240,240,240,0.70); text-transform: uppercase; letter-spacing: 0.1em; }

/* ═══ Contact Page ═══ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
}

.contact-item {
  padding: 1.25rem; border: 1px solid var(--border-color);
  margin-bottom: 0.75rem; transition: border-color 0.2s;
}

.contact-item:hover { border-color: rgba(59,130,246,0.5); }

.contact-item h4 { color: #fff; margin-bottom: 0.25rem; font-size: 0.95rem; letter-spacing: 0.04em; }
.contact-item p, .contact-item a { color: rgba(240,240,240,0.85); font-size: 0.95rem; }

/* ═══ Terminal Block ═══ */
.terminal-block {
  border: 1px solid var(--border-color); padding: 1.75rem; position: relative;
}

.terminal-block::before {
  content: '■ □ ■'; font-size: 0.6rem; color: rgba(240,240,240,0.2);
  position: absolute; top: -0.55rem; left: 1rem; background: var(--black); padding: 0 0.5rem;
}

/* ═══ Footer ═══ */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0; text-align: center;
  color: rgba(240,240,240,0.80); font-size: 0.8rem; letter-spacing: 0.06em;
}

/* ═══ Responsive ═══ */
@media (max-width: 768px) {
  .menu-toggle { display: block; }

  nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(0,0,0,0.95); border-bottom: 1px solid var(--border-color);
    flex-direction: column; padding: 1rem 0; gap: 1rem;
    display: none;
  }

  nav.open { display: flex; }
  .hero { padding: 4rem 0 3rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .stat-row { flex-direction: column; gap: 0; }
  .stat { border-left: none; border-top: 1px solid var(--border-color); padding: 1rem 0; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .btn-group { flex-direction: column; align-items: center; }
}