/* ============================================
   ZYNGROWTH DIGITAL — DESIGN SYSTEM
   Theme: Signal / Growth / Scale
   Mobile-First Optimized
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Archivo:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --ink: #0B0E14;
  --ink-2: #11151F;
  --ink-3: #171C28;
  --paper: #F5F0E8;
  --paper-dim: #C9C3B6;
  --signal: #FF5A1F;
  --signal-dim: #B8431A;
  --teal: #00D9C0;
  --line: #262C3A;
  --line-soft: rgba(245,240,232,0.08);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  background:var(--ink);
  color:var(--paper);
  font-family:'Archivo', system-ui, sans-serif;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4 { font-family:'Archivo Black', sans-serif; text-transform:uppercase; letter-spacing:-0.5px; line-height:0.98; }
.mono { font-family:'JetBrains Mono', monospace; }
::selection { background:var(--signal); color:var(--ink); }
img { max-width:100%; height:auto; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

/* ===== NAV ===== */
.site-nav {
  position:fixed; top:0; left:0; right:0; z-index:200;
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 20px;
  background:rgba(11,14,20,0.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  min-height:60px;
}
.nav-mark { display:flex; align-items:center; gap:8px; text-decoration:none; }
.nav-mark .bars { display:flex; align-items:flex-end; gap:2px; height:16px; }
.nav-mark .bars span { width:3px; background:var(--signal); display:block; animation:eq 1.1s ease-in-out infinite; }
.nav-mark .bars span:nth-child(1){height:40%; animation-delay:0s;}
.nav-mark .bars span:nth-child(2){height:100%; animation-delay:0.15s;}
.nav-mark .bars span:nth-child(3){height:65%; animation-delay:0.3s;}
.nav-mark .bars span:nth-child(4){height:85%; animation-delay:0.45s;}
@keyframes eq { 0%,100%{transform:scaleY(0.4);} 50%{transform:scaleY(1);} }
.nav-mark .wordmark { font-family:'Archivo Black',sans-serif; font-size:15px; letter-spacing:-0.3px; color:var(--paper); text-transform:uppercase; }
.nav-mark .wordmark em { font-style:normal; color:var(--signal); }

.nav-links { display:flex; align-items:center; gap:24px; }
.nav-links a {
  color:var(--paper-dim); text-decoration:none; font-size:13px; font-weight:600;
  text-transform:uppercase; letter-spacing:0.8px; transition:color .2s;
}
.nav-links a:hover { color:var(--paper); }
.nav-links a.active { color:var(--signal); }
.nav-cta-btn {
  background:var(--signal); color:var(--ink) !important; padding:9px 18px; border-radius:2px;
  font-weight:700 !important; transition:transform .2s, background .2s !important;
  white-space:nowrap;
}
.nav-cta-btn:hover { background:#ff7a47 !important; transform:translateY(-2px); }
.nav-burger { display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; padding:4px; }
.nav-burger span { width:22px; height:2px; background:var(--paper); display:block; transition:all .3s; }

/* Mobile Nav */
@media (max-width:860px) {
  .nav-links {
    position:fixed;
    top:60px; left:0; right:0; bottom:0;
    background:rgba(11,14,20,0.98);
    flex-direction:column;
    justify-content:flex-start;
    align-items:flex-start;
    padding:32px 24px;
    gap:20px;
    transform:translateX(100%);
    transition:transform .3s ease;
    overflow-y:auto;
    z-index:9998;
    -webkit-overflow-scrolling:touch;
  }
  .nav-links.open {
    transform:translateX(0);
  }
  .nav-links a {
    font-size:18px;
    padding:10px 0;
    border-bottom:1px solid var(--line-soft);
    width:100%;
    display:block;
  }
  .nav-cta-btn {
    padding:14px 24px;
    font-size:16px !important;
    width:100%;
    text-align:center;
    margin-top:12px;
    border-radius:4px;
  }
  .nav-burger {
    display:flex;
    z-index:9999;
    position:relative;
    padding:8px;
    margin-right:-8px;
    -webkit-tap-highlight-color:transparent;
    touch-action:manipulation;
  }
  .nav-burger span {
    transition:transform .3s ease, opacity .3s ease;
    transform-origin:center;
  }
}

/* ===== SCROLL PROGRESS ===== */
.signal-progress {
  position:fixed; top:0; left:0; height:3px;
  background:linear-gradient(90deg,var(--signal),var(--teal));
  z-index:300; width:0%; transition:width .1s linear;
}

/* ===== FOOTER ===== */
.site-footer { border-top:1px solid var(--line-soft); padding:48px 20px 28px; }
.footer-grid { max-width:1180px; margin:0 auto; display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:32px; }
.footer-brand .wordmark { font-family:'Archivo Black',sans-serif; font-size:18px; text-transform:uppercase; margin-bottom:10px; }
.footer-brand .wordmark em { font-style:normal; color:var(--signal); }
.footer-brand p { color:var(--paper-dim); font-size:13px; line-height:1.7; max-width:280px; }
.footer-col h4 { font-family:'Archivo',sans-serif; text-transform:uppercase; font-size:11px; letter-spacing:1.5px; color:var(--paper-dim); margin-bottom:14px; font-weight:700; }
.footer-col a { display:block; color:var(--paper); text-decoration:none; font-size:13px; margin-bottom:10px; transition:color .2s; word-break:break-all; }
.footer-col a:hover { color:var(--signal); }
.footer-bottom { max-width:1180px; margin:36px auto 0; padding-top:20px; border-top:1px solid var(--line-soft); display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; color:var(--paper-dim); font-size:12px; }

@media (max-width:760px) {
  .footer-grid { grid-template-columns:1fr 1fr; gap:24px; }
  .footer-brand { grid-column:1/-1; }
  .footer-brand p { max-width:100%; }
}
@media (max-width:480px) {
  .footer-grid { grid-template-columns:1fr; }
}

/* ===== SHARED UTILITY ===== */
.container { max-width:1180px; margin:0 auto; padding:0 20px; }
.eyebrow {
  font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:2px;
  text-transform:uppercase; color:var(--teal); margin-bottom:12px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before { content:''; width:20px; height:1px; background:var(--teal); flex-shrink:0; }

.btn-solid {
  display:inline-flex; align-items:center; gap:8px; background:var(--signal); color:var(--ink);
  padding:14px 28px; font-weight:700; text-decoration:none; border-radius:2px; font-size:14px;
  border:none; cursor:pointer; transition:transform .2s, background .2s;
  text-transform:uppercase; letter-spacing:0.5px; touch-action:manipulation;
}
.btn-solid:hover { background:#ff7a47; transform:translateY(-3px); }
.btn-outline {
  display:inline-flex; align-items:center; gap:8px; background:transparent; color:var(--paper);
  padding:13px 26px; font-weight:700; text-decoration:none; border-radius:2px; font-size:14px;
  border:1px solid var(--line); cursor:pointer; transition:all .2s;
  text-transform:uppercase; letter-spacing:0.5px; touch-action:manipulation;
}
.btn-outline:hover { border-color:var(--paper); transform:translateY(-3px); }

.section { padding:80px 20px; }
.section-sm { padding:50px 20px; }

/* Reveal animation */
.reveal { opacity:0; transform:translateY(28px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in { opacity:1; transform:translateY(0); }

/* Mobile overrides */
@media (max-width:640px) {
  .section { padding:56px 16px; }
  .section-sm { padding:36px 16px; }
  .btn-solid, .btn-outline { width:100%; justify-content:center; padding:15px 20px; font-size:14px; }
  h2 { letter-spacing:-0.3px; }
}