/* ============================================================
   MachineZen Marketing — dark theme, MachineZen palette
   ============================================================ */

:root {
  --bg: #0d0a15;
  --bg2: #120e1d;
  --surface: #171224;
  --surface2: #1d1730;
  --border: #2a2140;
  --border-soft: #221a36;
  --accent: #8b5cf6;
  --accent-bright: #a78bfa;
  --accent-dim: rgba(139, 92, 246, 0.14);
  --mint: #2ee6a8;
  --mint-dim: rgba(46, 230, 168, 0.12);
  --text: #f5f3ff;
  --muted: #a89fc7;
  --muted2: #6f648f;
  --radius: 18px;
  --radius-lg: 26px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section: clamp(4rem, 8vw, 7rem);
  --display: "Space Grotesk", "Inter", sans-serif;
  --body: "Inter", -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.33, 1, 0.68, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #fff; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; color: inherit; }
button { cursor: pointer; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section) 0; }
.section-alt { background: var(--bg2); border-block: 1px solid var(--border-soft); }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -0.03em; line-height: 1.08; }
h1 { font-size: clamp(2.4rem, 5vw + 0.5rem, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3vw + 0.5rem, 3rem); }
h3 { font-size: 1.25rem; line-height: 1.25; }
.eyebrow {
  font-family: var(--display); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent-bright);
  margin-bottom: 1rem;
}
.section-sub { color: var(--muted); max-width: 560px; margin-top: 1rem; }
.grad {
  background: linear-gradient(100deg, var(--accent-bright), var(--mint));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--display); font-weight: 600; letter-spacing: -0.01em;
  border-radius: 999px; border: 1px solid transparent;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s var(--ease);
  white-space: nowrap;
}
.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.9rem; }
.btn-lg { padding: 0.9rem 1.8rem; font-size: 1rem; }
.btn-primary {
  background: linear-gradient(120deg, var(--accent), #6d4bd8);
  color: #fff; box-shadow: 0 8px 28px rgba(139, 92, 246, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(139, 92, 246, 0.45); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13, 10, 21, 0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner { display: flex; align-items: center; gap: 2rem; padding-block: 0.9rem; }
.brand { font-family: var(--display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.brand-sub { color: var(--accent-bright); margin-left: 0.4rem; font-weight: 600; }
.nav { display: flex; gap: 1.6rem; margin-left: auto; }
.nav a { color: var(--muted); font-size: 0.95rem; font-weight: 500; transition: color 0.15s; }
.nav a:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero { padding: clamp(4.5rem, 9vw, 8.5rem) 0 clamp(3.5rem, 7vw, 6rem); position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 320px at 18% 0%, var(--accent-dim), transparent 70%),
    radial-gradient(520px 300px at 85% 20%, var(--mint-dim), transparent 70%);
}
.hero .container { position: relative; }
.hero-sub { color: var(--muted); max-width: 640px; margin-top: 1.4rem; font-size: 1.13rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.2rem; }
.hero-note { color: var(--muted2); font-size: 0.9rem; margin-top: 1.1rem; }

/* ---------- Services ---------- */
.grid { display: grid; gap: 1.1rem; }
.services-grid { grid-template-columns: repeat(3, 1fr); margin-top: 2.6rem; }
.card {
  position: relative;
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 1.7rem 1.6rem;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.card:hover { border-color: var(--border); transform: translateY(-3px); }
.card h3 { margin: 1rem 0 0.5rem; }
.card p { color: var(--muted); font-size: 0.95rem; }
.card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-dim); color: var(--accent-bright);
}
.card-icon svg { width: 22px; height: 22px; }
.card-highlight {
  background: linear-gradient(160deg, var(--surface2), var(--surface));
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.18), 0 18px 44px rgba(139, 92, 246, 0.12);
}
.card-highlight .card-icon { background: var(--accent-dim); color: var(--accent-bright); }
.card-flag {
  position: absolute; top: -0.75rem; right: 1.2rem;
  font-family: var(--display); font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: #0d0a15; background: var(--mint);
  padding: 0.25rem 0.7rem; border-radius: 999px;
}

/* ---------- Why ---------- */
.why-grid { grid-template-columns: repeat(3, 1fr); margin-top: 2.6rem; }
.why-item h3 { margin-bottom: 0.6rem; font-size: 1.1rem; }
.why-item p { color: var(--muted); font-size: 0.95rem; }
.why-item { border-top: 2px solid var(--accent); padding-top: 1.3rem; }

/* ---------- Proof ---------- */
.proof-grid { grid-template-columns: repeat(4, 1fr); margin-top: 2.4rem; }
.proof-card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 1.4rem 1.3rem;
  display: flex; flex-direction: column; gap: 0.3rem;
}
.proof-name { font-family: var(--display); font-weight: 600; }
.proof-what { color: var(--muted2); font-size: 0.85rem; }

/* ---------- Audit band ---------- */
.audit-band { background: linear-gradient(120deg, rgba(139,92,246,0.16), rgba(46,230,168,0.10)); border-block: 1px solid var(--border-soft); padding: clamp(3rem, 6vw, 4.5rem) 0; }
.audit-inner { display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; }
.audit-inner h2 { font-size: clamp(1.6rem, 2.4vw + 0.5rem, 2.3rem); margin-bottom: 0.7rem; }
.audit-inner p { color: var(--muted); max-width: 560px; }

/* ---------- Contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 3.5rem; align-items: start; }
.contact-intro p { color: var(--muted); margin-block: 1rem 1.6rem; max-width: 420px; }
.contact-divider { display: flex; align-items: center; gap: 1rem; color: var(--muted2); font-size: 0.85rem; margin-block: 1.4rem 0 !important; }
.contact-divider::before, .contact-divider::after { content: ""; height: 1px; flex: 1; background: var(--border-soft); }

.lead-form {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); padding: 2rem; display: grid; gap: 1.1rem;
}
.lead-form label { display: grid; gap: 0.4rem; font-size: 0.9rem; font-weight: 500; color: var(--muted); }
.optional { color: var(--muted2); font-weight: 400; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.lead-form input, .lead-form select, .lead-form textarea {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 12px;
  padding: 0.75rem 0.9rem; transition: border-color 0.15s;
  width: 100%;
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim);
}
.lead-form textarea { resize: vertical; }
.form-status { font-size: 0.9rem; min-height: 1.3em; }
.form-status.is-ok { color: var(--mint); }
.form-status.is-error { color: #f87171; }
.lead-form button[type=submit] { justify-self: start; border: none; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border-soft); background: var(--bg2); padding: 3rem 0 2rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; flex-wrap: wrap; }
.footer-tag { color: var(--muted2); font-size: 0.88rem; margin-top: 0.4rem; }
.footer-nav { display: flex; gap: 1.6rem; }
.footer-nav a { color: var(--muted); font-size: 0.92rem; }
.footer-nav a:hover { color: var(--text); }
.footer-legal { margin-top: 2rem; }
.footer-legal p { color: var(--muted2); font-size: 0.82rem; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .services-grid, .why-grid { grid-template-columns: 1fr 1fr; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrap { grid-template-columns: 1fr; gap: 2.5rem; }
  .nav { display: none; }
}
@media (max-width: 600px) {
  .services-grid, .why-grid, .proof-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .header-inner { gap: 1rem; }
  .lead-form { padding: 1.4rem; }
}