/* FILE: /assets/css/global.css */
/* MARHA Global Styles
   - Shared across EN + AR
   - Corporate-safe premium UI
   - Works with /assets/js/main.js (reveal, hero reveal, nav indicator, magnetic, tilt)
*/

:root{
  --brand-red: #ea1e2f;
  --brand-green: #3dbe69;
  --ink: #0b1220;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --soft: #f7f9fc;
  --radius-xl: 16px;
  --radius-2xl: 22px;
  --radius-3xl: 28px;
  --ease-out: cubic-bezier(.16,1,.3,1);
  --shadow-soft: 0 18px 50px rgba(15,23,42,.10);
  --shadow-mid: 0 22px 70px rgba(15,23,42,.14);
}

/* Base */
html, body{
  height: 100%;
}
body{
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--ink);
  background: #fff;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection{
  background: rgba(234,30,47,.18);
}

/* Focus */
:focus-visible{
  outline: 2px solid rgba(61,190,105,.65);
  outline-offset: 3px;
  border-radius: 10px;
}

/* Links */
a{
  color: inherit;
  text-decoration: none;
}
a:hover{
  text-decoration: none;
}

/* Header blur */
.header-blur{
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Brand gradient block (logo placeholder) */
.accent-gradient{
  background: radial-gradient(120% 120% at 15% 20%, rgba(234,30,47,.18), transparent 55%),
              radial-gradient(120% 120% at 80% 30%, rgba(61,190,105,.18), transparent 55%),
              linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
}

/* Subtle divider */
.soft-divider{
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, transparent, rgba(148,163,184,.55), transparent);
  opacity: .8;
}

/* Buttons: baseline polish */
.btn{
  transition: transform .18s var(--ease-out), box-shadow .18s var(--ease-out), background-color .18s var(--ease-out), opacity .18s var(--ease-out);
  will-change: transform;
}
.btn:active{
  transform: translateY(1px);
}
.btn:hover{
  box-shadow: 0 14px 36px rgba(15,23,42,.10);
}

/* Scrollbar progress (top bar) */
.scrollbar{
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 9999;
  background: linear-gradient(90deg, var(--brand-red), var(--brand-green));
  box-shadow: 0 10px 30px rgba(15,23,42,.16);
  transform: translateZ(0);
}

/* Back to top */
.to-top{
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  box-shadow: var(--shadow-soft);
}
.to-top.is-visible{
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* Hero media reveal */
.hero-media{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-out);
}
.hero-media.is-ready{
  opacity: 1;
  transform: translateY(0);
}

/* Reveal system: prevent blank page.
   JS adds .js on <html> early.
   JS then adds .is-hidden to all .reveal elements after it starts.
*/
.reveal{
  transform: translateY(0);
}
.js .reveal.is-hidden{
  opacity: 0;
  transform: translateY(14px);
  filter: blur(2px);
  transition: opacity .65s var(--ease-out), transform .65s var(--ease-out), filter .65s var(--ease-out);
}
.js .reveal:not(.is-hidden){
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Premium nav indicator (desktop)
   Works with:
   <nav data-nav> <span class="nav-indicator"></span> <a data-nav-link>...</a></nav>
*/
[data-nav]{
  position: relative;
}
.nav-indicator{
  position: absolute;
  left: 0;
  bottom: -10px;
  height: 2px;
  width: 24px;
  border-radius: 999px;
  opacity: 0;
  background: linear-gradient(90deg, var(--brand-red), var(--brand-green));
  box-shadow: 0 10px 24px rgba(15,23,42,.14);
  transition: transform .36s var(--ease-out), width .36s var(--ease-out), opacity .25s var(--ease-out);
  transform: translateX(0);
  will-change: transform, width;
}
[data-nav-link]{
  position: relative;
  padding-bottom: 8px;
}
[data-nav-link].is-current{
  color: var(--ink);
}

/* Cards */
.card-hover{
  transition: transform .18s var(--ease-out), box-shadow .18s var(--ease-out), border-color .18s var(--ease-out);
  box-shadow: none;
}
.card-hover:hover{
  box-shadow: var(--shadow-mid);
  border-color: rgba(148,163,184,.55) !important;
}

/* Tilt cards - allow the injected sweep layer to blend nicely */
[data-tilt]{
  isolation: isolate;
}
[data-tilt] .marha-sweep{
  mix-blend-mode: soft-light;
}

/* Optional: make links inside cards feel premium */
.card-hover a, a.card-hover{
  -webkit-tap-highlight-color: transparent;
}

/* Reduced motion: disable motion but keep layout */
@media (prefers-reduced-motion: reduce){
  .btn, .nav-indicator, .hero-media, .to-top, .js .reveal.is-hidden, .js .reveal:not(.is-hidden), .card-hover{
    transition: none !important;
  }
  .hero-media{
    opacity: 1 !important;
    transform: none !important;
  }
  .to-top{
    transform: none !important;
  }
}

/* Basic form polish (used later in Request Quote / Contact) */
input, textarea, select{
  outline: none;
}
input:focus, textarea:focus, select:focus{
  box-shadow: 0 0 0 4px rgba(61,190,105,.18);
  border-color: rgba(61,190,105,.55) !important;
}

/* Utility: subtle hairline border for sections if needed */
.hairline{
  border: 1px solid rgba(148,163,184,.40);
}
