/* =========================================================
   Base / Variables
========================================================= */
:root{
  --bg: #0b1220;
  --surface: #0f172a;
  --muted: #64748b;
  --text: #0f172a;
  --brand: #0ea5e9;         /* زر رئيسي */
  --brand-700: #0284c7;
  --card: #ffffff;
  --alt: #f7fbff;

  /* ⬇⬇ غيّر صورة الهيرو من هنا ⬇⬇ */
  --hero-image: url("https://srv1371-files.hstgr.io/8fc194245efe885d/files/public_html/bax");
}

/* Reset */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  color:#111827;
  background:#fff;
  line-height:1.6;
}
img{max-width:100%;display:block}

/* Layout helpers */
.container{width:min(1150px, 92%); margin-inline:auto}

/* Buttons */
.btn{
  display:inline-block;
  border:1px solid rgba(0,0,0,0.08);
  background:#fff;
  color:#0f172a;
  text-decoration:none;
  padding:.9rem 1.1rem;
  border-radius:12px;
  font-weight:600;
  transition:.2s transform,.2s filter,.2s background,.2s border-color;
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{
  background:var(--brand);
  color:#fff;
  border-color:transparent;
}
.btn--primary:hover{filter:brightness(.95)}
.btn--ghost{
  background:transparent;
  border-color:rgba(255,255,255,.35);
  color:#fff;
}
.btn--sm{padding:.55rem .9rem;border-radius:10px}
.btn--lg{padding:1.05rem 1.35rem;font-size:1.05rem;border-radius:14px}

/* =========================================================
   Header
========================================================= */
.site-header{
  position:sticky; top:0; z-index:50;
  background:#0b75b7; /* هيدر صلب وواضح */
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:.85rem 0;
}
.logo{
  color:#fff; text-decoration:none; font-weight:800; font-size:1.2rem;
}
.logo span{color:#7cd3ff}

/* Nav */
.main-nav{display:flex; gap:1rem; align-items:center}
.main-nav a{color:#eaf6ff; text-decoration:none; font-weight:600; opacity:.95}
.main-nav a:hover{opacity:1}

/* Mobile menu (CSS only) */
.nav-toggle{display:none}
.hamburger{display:none; width:36px; height:28px; cursor:pointer}
.hamburger span{
  display:block; height:3px; background:#fff; margin:6px 0; border-radius:2px;
}

/* =========================================================
   Hero
========================================================= */
.hero{
  position:relative;
  min-height:100vh;                /* يغطي الشاشة بالكامل */
  background-image: var(--hero-image);
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
  display:flex; align-items:center;
}
.hero__overlay{
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(15,23,42,.55), rgba(2,6,23,.65));
}
.hero__content{
  position:relative; z-index:1; color:#fff;
  padding: clamp(48px, 8vw, 96px) 0;
  text-align:center;
}
.hero__content h1{
  margin:0 0 12px 0;
  font-weight:800;
  letter-spacing:-.02em;
  font-size: clamp(2rem, 5vw, 3.2rem);
}
.hero__content p{
  margin:0 auto 22px auto;
  max-width: 740px;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color:#e5f4ff;
}
.hero__cta{display:flex; gap:.75rem; justify-content:center}

/* Progress (optional) */
.progress{
  margin:22px auto 0 auto;
  max-width:680px;
}
.progress__bar{
  height:10px; border-radius:999px;
  background:linear-gradient(90deg, var(--brand), var(--brand-700));
}
.progress__meta{
  display:flex; justify-content:space-between;
  color:#d6ecff; font-size:.9rem; margin-top:8px;
}

/* =========================================================
   Sections
========================================================= */
.section{padding: clamp(48px, 8vw, 80px) 0}
.section--alt{background:var(--alt)}
.section__head{ text-align:center; margin-bottom: clamp(24px, 4vw, 36px); }
.section__head h2{font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin:0 0 8px 0}
.section__head p{max-width:760px; margin:0 auto; color:#475569}

/* Cards */
.grid-3{
  display:grid; gap:18px;
  grid-template-columns: repeat(3, minmax(0,1fr));
}
.card{
  background:#fff; border:1px solid #e9eef5; border-radius:16px;
  padding:20px;
  box-shadow:0 6px 16px rgba(15,23,42,.04);
}
.card h3{margin:0 0 6px 0; font-size:1.1rem}

/* Stats */
.stats .stat{
  background:#fff; border:1px solid #e9eef5; border-radius:16px;
  padding:22px; text-align:center;
}
.stat__num{font-weight:800; font-size:1.8rem}
.stat__label{color:#64748b}

/* Quote */
.quote{
  max-width:820px; margin:0 auto; text-align:center;
  font-style:italic; font-size:1.1rem; line-height:1.9;
}
.quote cite{display:block; margin-top:8px; font-style:normal; font-weight:700}

/* CTA band */
.cta{ background: radial-gradient(1200px 500px at 50% -200px, #e6f6ff, #f8fbff 70%); }
.cta__inner{ text-align:center }
.cta__inner h2{ margin:0 0 12px 0; font-size: clamp(1.4rem, 3.2vw, 2rem) }

/* =========================================================
   Footer
========================================================= */
.site-footer{ background:#003f6f; color:#e6f6ff; }
.footer-inner{ display:flex; gap:1rem; align-items:center; justify-content:space-between; padding:18px 0 }
.footer-inner p{margin:0}
.footer-nav{display:flex; gap:1rem}
.footer-nav a{color:#e6f6ff; text-decoration:none; opacity:.95}
.footer-nav a:hover{opacity:1}

/* Floating donate on mobile */
.fab{
  position:fixed; right:16px; bottom:16px; z-index:60;
  background:var(--brand); color:#fff; text-decoration:none;
  padding:.85rem 1.05rem; border-radius:999px; font-weight:700;
  box-shadow:0 10px 24px rgba(2,8,23,.18);
}
@media (min-width: 900px){
  .fab{display:none}
}

/* =========================================================
   Responsive
========================================================= */
@media (max-width: 900px){
  .grid-3{grid-template-columns: 1fr 1fr}
  .main-nav{
    position: absolute; left:0; right:0; top:100%;
    background:#0b75b7;
    display:none; flex-direction:column; gap:0;
  }
  .main-nav a{padding:12px 4%; border-top:1px solid rgba(255,255,255,.12)}
  .hamburger{display:block}
  .nav-toggle:checked ~ .hamburger + .main-nav{display:flex}
}
@media (max-width: 640px){
  .grid-3{grid-template-columns: 1fr}
  .hero__cta{flex-direction:column}
}

/* Optional: parallax-like on large screens */
@media (min-width: 1024px){
  .hero{background-attachment: fixed;}
}