/* ============================================================
   Bosleon design system — dark charcoal / amber terminal theme
   Fonts: JetBrains Mono (display/UI) + Inter (body)
   ============================================================ */

:root {
  --bg: #121110;
  --bg-raise: #181613;
  --bg-raise-2: #1f1c18;
  --line: #2e2b27;
  --line-soft: #242119;
  --text: #f5f0e6;
  --muted: #a39c8f;
  --dim: #8a847a;
  --amber: #f0a53c;
  --amber-soft: #f6c579;
  --amber-border: #6b5426;
  --amber-glow: rgba(240, 165, 60, 0.12);
  --on-amber: #121110;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 6px;
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--amber); color: var(--on-amber); }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.25; }
a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-soft); }
img { max-width: 100%; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }

/* faint grid backdrop */
.grid-bg {
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ---------- header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(18, 17, 16, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 19px; font-weight: 600; color: var(--text);
}
.brand:hover { color: var(--text); }
.brand img { height: 34px; width: auto; }
.brand .cursor { color: var(--amber); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  font-family: var(--mono); font-size: 13.5px; color: var(--muted);
  transition: color 0.15s;
}
.site-nav a:hover, .site-nav a.active { color: var(--text); }
.site-nav a.nav-cta {
  background: var(--amber); color: var(--on-amber);
  padding: 8px 16px; border-radius: 4px; font-weight: 600;
}
.site-nav a.nav-cta:hover { background: var(--amber-soft); color: var(--on-amber); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line);
  border-radius: 4px; color: var(--text); font-size: 20px;
  width: 40px; height: 40px; cursor: pointer; line-height: 1;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-raise); border-bottom: 1px solid var(--line);
    padding: 8px 0;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 24px; border-bottom: 1px solid var(--line-soft); }
  .site-nav a.nav-cta { margin: 12px 24px; text-align: center; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block; font-family: var(--mono); font-size: 14px;
  padding: 12px 22px; border-radius: 4px; font-weight: 600;
  transition: transform 0.12s, background 0.15s, border-color 0.15s;
  cursor: pointer; border: none;
}
.btn:active { transform: scale(0.97); }
.btn-amber { background: var(--amber); color: var(--on-amber); }
.btn-amber:hover { background: var(--amber-soft); color: var(--on-amber); }
.btn-outline {
  background: transparent; color: var(--amber);
  border: 1px solid var(--amber-border);
}
.btn-outline:hover { border-color: var(--amber); color: var(--amber); }

/* ---------- hero ---------- */
.hero {
  padding: 150px 0 90px;
  border-bottom: 1px solid var(--line);
}
.hero .container {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center;
}
.hero-prompt {
  font-family: var(--mono); font-size: 15px; color: var(--amber);
  margin-bottom: 18px; min-height: 24px;
}
.hero-prompt .caret {
  display: inline-block; width: 9px; height: 17px; background: var(--amber);
  vertical-align: -2px; margin-left: 2px; animation: blink 1s steps(1) infinite;
}
.hero h1 {
  font-size: clamp(32px, 4.6vw, 52px); letter-spacing: -0.02em; margin-bottom: 18px;
}
.hero .sub { color: var(--muted); font-size: 17px; max-width: 52ch; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-distributor {
  margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.hero-distributor .label { font-family: var(--mono); font-size: 12px; color: var(--dim); }
.hero-distributor .lenovo-chip {
  background: #e6e1d5; border-radius: 4px; padding: 8px 14px; display: inline-flex; align-items: center;
}
.hero-distributor img { height: 26px; width: auto; display: block; }

/* terminal card */
.term {
  background: var(--bg-raise); border: 1px solid var(--line); border-radius: 8px;
  overflow: hidden; box-shadow: 0 0 0 1px rgba(0,0,0,0.2), 0 18px 50px rgba(0,0,0,0.45);
}
.term-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px; background: var(--bg-raise-2); border-bottom: 1px solid var(--line);
}
.term-bar .dot { width: 11px; height: 11px; border-radius: 50%; background: #403c36; }
.term-bar .title { font-family: var(--mono); font-size: 12px; color: var(--dim); margin-left: 8px; }
.term-body {
  padding: 18px 20px; font-family: var(--mono); font-size: 13.5px; line-height: 2.05;
}
.term-body .cmt { color: var(--dim); }
.term-body .cmd { color: var(--text); }
.term-body .arg { color: var(--amber); }
.term-body .flag { color: var(--dim); }
.term-body .ok { color: var(--amber); }

@media (max-width: 860px) {
  .hero { padding: 120px 0 60px; }
  .hero .container { grid-template-columns: 1fr; gap: 36px; }
}

/* ---------- sections ---------- */
.section { padding: 90px 0; border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 48px; max-width: 60ch; }
.section-head .eyebrow {
  font-family: var(--mono); font-size: 13px; color: var(--amber); margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(26px, 3.2vw, 36px); letter-spacing: -0.015em; }
.section-head p { color: var(--muted); margin-top: 12px; }

/* services grid */
.svc-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px;
}
.svc {
  background: var(--bg-raise); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; transition: border-color 0.15s, transform 0.15s;
}
.svc:hover { border-color: var(--amber-border); transform: translateY(-2px); }
.svc h3 {
  font-family: var(--mono); font-size: 15px; font-weight: 600; margin-bottom: 8px;
}
.svc h3::before { content: "> "; color: var(--amber); }
.svc p { color: var(--muted); font-size: 14.5px; }

/* work cards */
.work-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.case {
  background: var(--bg-raise); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; display: flex; flex-direction: column; gap: 12px;
  transition: border-color 0.15s, transform 0.15s;
}
.case:hover { border-color: var(--amber-border); transform: translateY(-2px); }
.case .case-path { font-family: var(--mono); font-size: 12px; color: var(--dim); }
.case h3 { font-size: 18px; }
.case h3 a { color: var(--text); }
.case h3 a:hover { color: var(--amber); }
.case p { color: var(--muted); font-size: 14.5px; flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tag {
  font-family: var(--mono); font-size: 11.5px; color: var(--amber);
  background: var(--amber-glow); border: 1px solid var(--amber-border);
  border-radius: 4px; padding: 3px 9px;
}

/* cta band */
.cta-band { background: var(--amber); color: var(--on-amber); }
.cta-band .container {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding-top: 54px; padding-bottom: 54px; flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(22px, 3vw, 30px); }
.cta-band p { opacity: 0.75; margin-top: 6px; font-size: 15px; }
.cta-band .btn {
  background: var(--bg); color: var(--text);
}
.cta-band .btn:hover { background: #000; color: var(--text); }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info { display: flex; flex-direction: column; gap: 18px; }
.contact-line {
  background: var(--bg-raise); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px;
}
.contact-line .k { font-family: var(--mono); font-size: 12px; color: var(--dim); margin-bottom: 4px; }
.contact-line .v { font-family: var(--mono); font-size: 15px; color: var(--text); word-break: break-all; }
.contact-line .v a { color: var(--text); }
.contact-line .v a:hover { color: var(--amber); }

.php-email-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .php-email-form .row2 { grid-template-columns: 1fr; } }
.php-email-form .field { margin-bottom: 14px; }
.php-email-form label {
  display: block; font-family: var(--mono); font-size: 12.5px; color: var(--dim); margin-bottom: 6px;
}
.php-email-form input,
.php-email-form textarea {
  width: 100%; background: var(--bg-raise); border: 1px solid var(--line);
  border-radius: 4px; color: var(--text); font-family: var(--sans); font-size: 15px;
  padding: 12px 14px; transition: border-color 0.15s, box-shadow 0.15s;
}
.php-email-form input:focus,
.php-email-form textarea:focus {
  outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px var(--amber-glow);
}
.php-email-form textarea { resize: vertical; min-height: 170px; }
.php-email-form .loading,
.php-email-form .error-message,
.php-email-form .sent-message {
  display: none; font-family: var(--mono); font-size: 13.5px;
  border-radius: 4px; padding: 12px 14px; margin: 14px 0;
}
.php-email-form .loading { background: var(--bg-raise); color: var(--muted); border: 1px solid var(--line); }
.php-email-form .loading::before { content: "… "; }
.php-email-form .error-message { background: rgba(200, 70, 50, 0.12); color: #e8a294; border: 1px solid rgba(200, 70, 50, 0.4); }
.php-email-form .sent-message { background: var(--amber-glow); color: var(--amber); border: 1px solid var(--amber-border); }
.php-email-form .d-block { display: block; }
.php-email-form .captcha-wrap { margin: 16px 0; }

/* ---------- footer ---------- */
.site-footer { padding: 60px 0 32px; }
.footer-grid {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 36px; margin-bottom: 40px;
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { font-family: var(--mono); font-size: 13.5px; margin-bottom: 14px; color: var(--text); }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 8px; }
.site-footer li a { color: var(--muted); font-size: 14px; }
.site-footer li a::before { content: "> "; font-family: var(--mono); color: var(--amber-border); }
.site-footer li a:hover { color: var(--amber); }
.footer-contact p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.footer-bottom {
  border-top: 1px solid var(--line); padding-top: 24px;
  font-family: var(--mono); font-size: 12.5px; color: var(--dim);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* back to top */
.back-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  width: 42px; height: 42px; border-radius: 4px;
  background: var(--bg-raise); border: 1px solid var(--line);
  color: var(--amber); font-family: var(--mono); font-size: 18px;
  display: none; align-items: center; justify-content: center;
}
.back-top.show { display: flex; }
.back-top:hover { border-color: var(--amber-border); }