/* ============================================================================
   SITE-WIDE SHARED STYLES — siplive.net
   Used by every page via partials/header.php + partials/footer.php. Editing
   this file (or the two partials) changes the header/footer everywhere at
   once instead of needing per-page edits.
   ============================================================================ */
:root {
  --green: #22c55e;
  --green-dark: #16a34a;
  --green-glow: rgba(34,197,94,.18);
  --cyan: #38bdf8;
  --bg: #080e14;
  --bg2: #0d1520;
  --bg3: #111c2a;
  --card: rgba(255,255,255,.04);
  --border: rgba(255,255,255,.08);
  --text: #e2e8f0;
  --muted: #64748b;
  --white: #ffffff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;line-height:1.6}
a{color:inherit}

/* ── NAV ─────────────────────────────────────────────────────────────────── */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 5%;display:flex;align-items:center;justify-content:space-between;height:68px;background:rgba(8,14,20,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:background .3s}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:36px;object-fit:contain}
.nav-links{display:flex;gap:32px;list-style:none;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--white)}
.nav-cta{display:flex;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 20px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;border:0;transition:all .2s}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.btn-primary{background:var(--green);color:#000}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:0 6px 24px var(--green-glow)}
.btn-lg{padding:14px 32px;font-size:16px;border-radius:10px}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}

/* ── NAV DROPDOWN ────────────────────────────────────────────────────────── */
.nav-dropdown{position:relative}
.nav-dropdown-trigger{background:none;border:0;font:inherit;color:var(--muted);font-size:14px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:4px;padding:0}
.nav-dropdown-trigger:hover{color:var(--white)}
.nav-dropdown.open .nav-dropdown-trigger{color:var(--white)}
.nav-dropdown-trigger .caret{font-size:9px;transition:transform .2s;color:var(--cyan)}
.nav-dropdown.open .nav-dropdown-trigger .caret{transform:rotate(180deg)}
.nav-dropdown-menu{position:absolute;top:calc(100% + 16px);left:50%;transform:translateX(-50%);min-width:190px;background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:6px;box-shadow:0 16px 40px rgba(0,0,0,.45);display:none;z-index:200}
.nav-dropdown.open .nav-dropdown-menu{display:block}
.nav-dropdown-menu a{display:block;padding:9px 10px;border-radius:6px;color:var(--text);font-size:13.5px;text-decoration:none;white-space:nowrap}
.nav-dropdown-menu a:hover{background:rgba(255,255,255,.06);color:var(--cyan)}

/* ── FOOTER ──────────────────────────────────────────────────────────────── */
footer{background:var(--bg2);border-top:1px solid var(--border);padding:60px 5% 32px}
.footer-inner{max-width:1100px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand img{height:32px;object-fit:contain;margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.7;max-width:280px}
.footer-col h4{font-size:13px;font-weight:700;color:var(--white);text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--muted);text-decoration:none;transition:color .2s}
.footer-col a:hover{color:var(--green)}
.footer-bottom{border-top:1px solid var(--border);padding-top:28px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:13px;color:var(--muted)}
.footer-bottom .footer-note{font-size:12px}

/* ── MOBILE NAV ──────────────────────────────────────────────────────────── */
@media(max-width:820px){
  .nav-links{display:none;position:fixed;top:68px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--border);flex-direction:column;gap:0;padding:16px 0;max-height:calc(100vh - 68px);overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 5%;border-bottom:1px solid var(--border);font-size:15px}
  .nav-dropdown{width:100%}
  .nav-dropdown-trigger{width:100%;padding:12px 5%;border-bottom:1px solid var(--border);justify-content:space-between}
  .nav-dropdown-menu{position:static;transform:none;box-shadow:none;border:none;border-radius:0;background:rgba(255,255,255,.03);display:none;padding:0}
  .nav-dropdown.open .nav-dropdown-menu{display:block}
  .nav-dropdown-menu a{padding:12px 8%;border-bottom:1px solid var(--border)}
  .hamburger{display:flex}
  .nav-cta .btn-ghost{display:none}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .footer-top{grid-template-columns:1fr}
}

/* ── SCROLL REVEAL (used by pages that add class="reveal") ──────────────── */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}