/* ============================================================
   Walnut Beach Digital — shared site styles
   Loaded on every page via /includes/head.php
   Contains ONLY the shared design system: tokens, base,
   background, brand mark, top nav, mobile menu, page banner,
   and footer. Page-specific CSS stays in each page.
   ============================================================ */

:root{
  --ink:#051B2B; --ink-2:#07243a; --deep:#0D4A76; --azure:#2E86C8; --glow:#5BD2FF;
  --glow-soft:rgba(91,210,255,.5); --mist:#EEEEEE; --white:#FFFFFF; --muted:rgba(238,238,238,.62);
  --line:rgba(91,210,255,.16); --glass:rgba(255,255,255,.045); --glass-2:rgba(255,255,255,.045);
  --blur:18px; --ease:cubic-bezier(.16,1,.3,1); --maxw:1280px;
  --logo:url("/images/wb-logo.png"); --wave-bg:url("/images/waves.svg");
}

/* ---- base ---- */
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth}
body{font-family:'Montserrat',sans-serif;color:var(--mist);
  background:#03121d;overflow-x:hidden;line-height:1.55;min-height:100vh}
/* The blue gradient lives on a real fixed layer — NOT background-attachment:fixed,
   which mobile Safari refuses to paint (it falls back to white). This sits behind
   the waves (z-index:-1) and all content, so the blue shows on every device. */
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:radial-gradient(1100px 700px at 82% -8%, rgba(91,210,255,.10), transparent 60%),
    radial-gradient(900px 700px at 0% 30%, rgba(46,134,200,.10), transparent 55%),
    linear-gradient(180deg,#03121d 0%, var(--ink) 42%, #03121d 100%)}
::selection{background:var(--glow);color:var(--ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.bg-waves{position:fixed;inset:0;z-index:-1;pointer-events:none;background:var(--wave-bg) center bottom/cover no-repeat;opacity:.9}
.container{width:min(92%,var(--maxw));margin:0 auto;position:relative;z-index:3}
.wrap{width:min(92%,var(--maxw));margin:0 auto;position:relative;z-index:3}

/* ---- brand mark ---- */
.brand{display:flex;align-items:center;gap:12px;font-family:'Montserrat';font-weight:800;letter-spacing:-.01em;font-size:18px}
.brand .dot{width:42px;height:42px;flex:none;
  background:var(--logo) center/contain no-repeat;
  filter:drop-shadow(0 4px 18px rgba(91,210,255,.35))}
.brand small{display:block;font-family:'Montserrat';font-weight:400;font-size:10px;letter-spacing:.32em;color:var(--glow);
  text-transform:uppercase;margin-top:1px}

/* ===== site nav + footer (canonical — matches index.html) ===== */
header.nav{position:fixed;top:0;left:0;right:0;z-index:40;padding:18px 0;transition:padding .5s var(--ease),background .5s}
header.nav.scrolled{padding:10px 0;background:rgba(3,18,29,.55);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:14px;color:var(--muted);position:relative;transition:color .4s;cursor:pointer}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--glow);transition:width .4s var(--ease)}
.nav-links a:hover{color:var(--white)}
.nav-links a:hover::after{width:100%}
/* ---- nav dropdowns (desktop) ---- */
.nav-item{position:relative;display:flex;align-items:center}
.nav-item.has-dropdown>.nav-trigger{display:inline-flex;align-items:center;gap:6px;font-family:'Montserrat';font-size:14px;color:var(--muted);background:none;border:0;padding:0;cursor:pointer;transition:color .4s}
.nav-item.has-dropdown:hover>.nav-trigger,.nav-item.has-dropdown:focus-within>.nav-trigger,.nav-item.has-dropdown.open>.nav-trigger{color:var(--white)}
.nav-trigger .caret{width:13px;height:13px;transition:transform .35s var(--ease)}
.nav-item.has-dropdown:hover .caret,.nav-item.has-dropdown:focus-within .caret,.nav-item.has-dropdown.open .caret{transform:rotate(180deg)}
.nav-dropdown{position:absolute;top:calc(100% + 16px);left:50%;transform:translateX(-50%) translateY(8px);min-width:236px;display:flex;flex-direction:column;gap:2px;padding:10px;border-radius:16px;border:1px solid var(--line);background:rgba(3,18,29,.94);backdrop-filter:blur(18px);box-shadow:0 24px 60px rgba(0,0,0,.45);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;z-index:50}
.nav-dropdown::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px}
.nav-item.has-dropdown:hover .nav-dropdown,.nav-item.has-dropdown:focus-within .nav-dropdown,.nav-item.has-dropdown.open .nav-dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.nav-dropdown a{font-size:13.5px;color:var(--mist);padding:9px 13px;border-radius:10px;white-space:nowrap;transition:background .25s,color .25s}
.nav-dropdown a::after{display:none}
.nav-dropdown a:hover{color:var(--white);background:rgba(91,210,255,.08)}
.nav-dropdown .nav-dropdown-all{margin-top:5px;padding-top:11px;border-top:1px solid var(--line);border-radius:0;color:var(--glow);font-weight:500}
.nav-dropdown .nav-dropdown-all:hover{background:transparent;color:var(--white)}
header.nav .btn,.mobile-menu .btn{display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:500;padding:12px 22px;border-radius:100px;cursor:pointer;border:1px solid var(--line);background:linear-gradient(180deg,rgba(91,210,255,.14),rgba(13,74,118,.18));backdrop-filter:blur(10px);color:var(--white);font-family:'Montserrat';transition:transform .4s var(--ease),box-shadow .4s,background .4s;position:relative;overflow:hidden}
header.nav .btn:hover,.mobile-menu .btn:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(46,134,200,.45);background:linear-gradient(180deg,rgba(91,210,255,.28),rgba(13,74,118,.3))}
header.nav .btn.solid,.mobile-menu .btn.solid{background:linear-gradient(135deg,var(--azure),var(--deep));border-color:transparent;box-shadow:0 10px 30px rgba(13,74,118,.5)}
header.nav .btn.solid:hover,.mobile-menu .btn.solid:hover{box-shadow:0 16px 46px rgba(46,134,200,.6)}
header.nav .btn svg,.mobile-menu .btn svg{width:15px;height:15px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--mist);transition:transform .4s var(--ease),opacity .3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;z-index:39;background:rgba(3,18,29,.96);backdrop-filter:blur(20px);display:flex;flex-direction:column;align-items:flex-end;justify-content:flex-start;gap:14px;padding:100px 11vw 48px;overflow-y:auto;transform:translateY(-100%);transition:transform .6s var(--ease)}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a:not(.btn){font-family:'Montserrat';font-size:22px;font-weight:400;color:var(--mist);text-align:right}
.mm-group{display:flex;flex-direction:column;align-items:flex-end;width:100%}
.mm-toggle{display:inline-flex;align-items:center;gap:9px;font-family:'Montserrat';font-size:22px;font-weight:400;color:var(--mist);background:none;border:0;padding:0;cursor:pointer;transition:color .3s}
.mm-toggle .caret{width:16px;height:16px;transition:transform .35s var(--ease)}
.mm-group.open .mm-toggle{color:var(--white)}
.mm-group.open .mm-toggle .caret{transform:rotate(180deg)}
.mm-sub{display:flex;flex-direction:column;align-items:flex-end;gap:9px;width:100%;max-height:0;overflow:hidden;opacity:0;transition:max-height .4s var(--ease),opacity .3s var(--ease),margin-top .4s var(--ease)}
.mm-group.open .mm-sub{max-height:460px;opacity:1;margin-top:13px}
.mobile-menu .mm-sub a{font-size:17px;color:var(--muted);font-weight:300}
.mobile-menu .mm-sub a:hover{color:var(--white)}

/* ---- breadcrumbs (internal pages) ---- */
.crumbs{font-size:12.5px;color:var(--muted);margin-bottom:16px;font-weight:400}
.crumbs a{color:var(--muted);transition:color .3s}
.crumbs a:hover{color:var(--glow)}
.crumbs span{color:var(--mist)}

/* ---- page banner (internal/quote pages) ---- */
.page-banner-wrap{position:relative;z-index:3;padding-top:104px}
.page-banner{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:700;letter-spacing:.26em;text-transform:uppercase;color:var(--glow);padding:11px 22px;border-radius:100px;border:1px solid var(--glow-soft);background:rgba(91,210,255,.06);backdrop-filter:blur(10px)}
.page-banner::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--glow);box-shadow:0 0 12px var(--glow)}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);padding:70px 0 40px;background:rgba(3,18,29,.5);backdrop-filter:blur(10px)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot-grid p{color:var(--muted);font-size:14px;font-weight:300;max-width:40ch;margin-top:18px}
.foot-col h5{font-family:'Montserrat';font-size:14px;letter-spacing:.06em;margin-bottom:16px;color:var(--white)}
.foot-col a{display:block;color:var(--muted);font-size:14px;margin-bottom:11px;transition:.3s}
.foot-col a:hover{color:var(--glow)}
.socials{display:flex;gap:12px;margin-top:26px}
.socials a{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--glass-2);color:var(--mist);transition:.35s var(--ease)}
.socials a:hover{color:var(--ink);background:linear-gradient(135deg,var(--glow),var(--azure));border-color:transparent;transform:translateY(-3px);box-shadow:0 10px 26px rgba(46,134,200,.4)}
.socials svg{width:18px;height:18px;fill:currentColor}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-top:54px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.foot-bottom a{color:var(--muted);text-decoration:underline;text-underline-offset:3px;transition:color .3s}
.foot-bottom a:hover{color:var(--glow)}

@media(max-width:900px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  .nav-links{display:none}
  .burger{display:flex}
  header.nav .btn.solid{display:none}
  .foot-grid{grid-template-columns:1fr}
  .page-banner-wrap{padding-top:92px}
}
@media print{header.nav,.mobile-menu,.page-banner-wrap,footer{display:none!important}}