:root{
    --ink:#20261f;
    --cream:#faf5e9;
    --cream-deep:#f2e9d8;
    --green-deep:#123f2b;
    --green-mid:#1e7a50;
    --green-soft:#e7f1e9;
    --red-heart:#b7362b;
    --gold:#c79a3e;
    --line:rgba(18,63,43,0.16);
    --shadow: 0 18px 40px -20px rgba(18,63,43,0.35);
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--cream);
    color:var(--ink);
    font-family:'Tajawal', sans-serif;
    font-weight:400;
    line-height:1.9;
    overflow-x:hidden;
  }
  h1,h2,h3, .display{
    font-family:'Aref Ruqaa', serif;
    font-weight:700;
    color:var(--green-deep);
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .wrap{max-width:1120px; margin:0 auto; padding:0 28px;}
  section{position:relative; padding:100px 0;}

  /* reduced motion */
  @media (prefers-reduced-motion: reduce){
    *{animation:none !important; transition:none !important;}
  }

  /* ===== NAV ===== */
  header.site-nav{
    position:fixed; top:0; right:0; left:0; z-index:50;
    background:rgba(250,245,233,0.9);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    max-width:1120px; margin:0 auto; padding:14px 28px;
    display:flex; align-items:center; justify-content:space-between;
  }
  .brand{display:flex; align-items:center; gap:12px;}
  .brand img{width:44px; height:44px; border-radius:50%; object-fit:cover;}
  .brand span{font-family:'Aref Ruqaa', serif; font-size:1.25rem; color:var(--green-deep);}
  nav.links{display:flex; gap:28px; font-size:0.95rem;}
  nav.links a{position:relative; padding:4px 0; color:var(--ink);}
  nav.links a::after{
    content:''; position:absolute; right:0; bottom:-2px; width:0; height:2px;
    background:var(--red-heart); transition:width .25s ease;
  }
  nav.links a:hover::after{width:100%;}
  .nav-toggle{display:none; background:none; border:none; font-size:1.6rem; color:var(--green-deep); cursor:pointer;}

  @media (max-width:820px){
    nav.links{
      position:absolute; top:100%; right:0; left:0;
      background:var(--cream); flex-direction:column; gap:0;
      max-height:0; overflow:hidden; border-bottom:1px solid var(--line);
      transition:max-height .3s ease;
    }
    nav.links.open{max-height:400px;}
    nav.links a{padding:14px 28px; border-top:1px solid var(--line);}
    .nav-toggle{display:block;}
  }

  /* ===== HERO ===== */
  .hero{
    padding-top:104px; padding-bottom:90px;
    background:
      radial-gradient(circle at 85% 15%, rgba(30,122,80,0.10), transparent 45%),
      radial-gradient(circle at 10% 85%, rgba(183,54,43,0.08), transparent 40%),
      var(--cream);
  }
  .hero-grid{
    display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:center;
  }
  .eyebrow{
    display:inline-flex; align-items:center; gap:10px;
    font-size:0.85rem; letter-spacing:0.5px; color:var(--green-mid);
    font-weight:700; margin-bottom:22px;
  }
  .eyebrow::before{content:''; width:26px; height:2px; background:var(--red-heart); display:inline-block;}
  .hero h1{font-size:clamp(2.3rem, 4.4vw, 3.6rem); line-height:1.35; margin-bottom:24px;}
  .hero h1 em{font-style:normal; color:var(--red-heart);}
  .hero p.lead{font-size:1.15rem; color:#3a3a34; max-width:560px; margin-bottom:34px;}
  .cta-row{display:flex; gap:16px; flex-wrap:wrap;}
  .btn{
    display:inline-block; padding:14px 30px; border-radius:999px; font-weight:700; font-size:0.98rem;
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .btn-solid{background:var(--green-deep); color:var(--cream);}
  .btn-solid:hover{transform:translateY(-2px); box-shadow:var(--shadow);}
  .btn-outline{border:1.5px solid var(--green-deep); color:var(--green-deep);}
  .btn-outline:hover{background:var(--green-deep); color:var(--cream);}

  .hero-badge{
    position:relative; display:flex; align-items:center; justify-content:center;
  }
  .ring{
    position:absolute; border-radius:50%; border:1.5px solid var(--gold); opacity:0.55;
  }
  .ring.r1{width:340px; height:340px; animation:spin 60s linear infinite;}
  .ring.r2{width:390px; height:390px; border-style:dashed; opacity:0.35; animation:spin 90s linear infinite reverse;}
  @keyframes spin{from{transform:rotate(0deg);} to{transform:rotate(360deg);}}
  .logo-frame{
    width:280px; height:280px; border-radius:50%; overflow:hidden;
    background:var(--cream-deep); box-shadow:var(--shadow);
    border:6px solid var(--cream);
  }
  .logo-frame img{width:100%; height:100%; object-fit:cover;}

  @media (max-width:820px){
    .hero-grid{grid-template-columns:1fr; text-align:center;}
    .eyebrow{margin-right:auto; margin-left:auto;}
    .hero p.lead{margin-right:auto; margin-left:auto;}
    .cta-row{justify-content:center;}
    .hero-badge{margin-top:20px;}
  }

  /* ===== SECTION HEADERS ===== */
  .sec-head{max-width:680px; margin-bottom:56px;}
  .sec-head .eyebrow{margin-bottom:14px;}
  .sec-head h2{font-size:clamp(1.8rem, 3vw, 2.5rem);}
  .sec-head p{color:#4a4a42; margin-top:14px; font-size:1.05rem;}

  /* ===== ABOUT ===== */
  .about{background:var(--cream);}
  .about-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start;}
  .about p{color:#3a3a34; margin-bottom:16px; font-size:1.02rem;}
  blockquote.pull{
    border-right:3px solid var(--red-heart); padding-right:22px; margin-top:26px;
    font-family:'Aref Ruqaa', serif; font-size:1.35rem; color:var(--green-deep); line-height:1.7;
  }
  @media (max-width:900px){
    .about-grid{grid-template-columns:1fr; gap:36px;}
  }
  .stat-cards{display:grid; gap:18px;}
  .stat-card{
    background:#fff; border:1px solid var(--line); border-radius:18px; padding:26px;
    box-shadow:0 10px 24px -18px rgba(18,63,43,0.25);
  }
  .stat-card h3{font-family:'Tajawal'; font-weight:800; font-size:1.05rem; color:var(--green-mid); margin-bottom:8px;}
  .stat-card p{color:#4a4a42; font-size:0.95rem; margin:0;}

  /* ===== VISION (banner) ===== */
  .vision{
    background:linear-gradient(180deg, var(--green-deep), #0c3220);
    color:var(--cream); text-align:center;
  }
  .vision .wrap{max-width:820px;}
  .vision .eyebrow{color:var(--gold);}
  .vision .eyebrow::before{background:var(--gold);}
  .vision h2{color:var(--cream); font-size:clamp(1.9rem,3.4vw,2.7rem); margin-bottom:20px;}
  .vision p{color:#dce8e0; font-size:1.1rem; max-width:640px; margin:0 auto;}
  .vision .tag{margin-top:30px; font-family:'Aref Ruqaa'; color:var(--gold); font-size:1.2rem;}

  /* ===== GOALS ===== */
  .goals-grid{
    display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr)); gap:22px;
  }
  .goal-card{
    background:#fff; border-radius:20px; padding:28px 24px; border:1px solid var(--line);
    transition:transform .25s ease, box-shadow .25s ease;
  }
  .goal-card:hover{transform:translateY(-6px); box-shadow:var(--shadow);}
  .goal-icon{
    width:52px; height:52px; border-radius:50%; background:var(--green-soft);
    display:flex; align-items:center; justify-content:center; margin-bottom:16px;
  }
  .goal-icon svg{width:26px; height:26px; stroke:var(--green-deep); fill:none; stroke-width:1.6;}
  .goal-card h3{font-family:'Tajawal'; font-weight:800; font-size:1.05rem; color:var(--ink); margin-bottom:8px;}
  .goal-card p{color:#54544a; font-size:0.92rem;}

  /* ===== BRACELET CHAIN (signature) ===== */
  .chain-section{background:var(--cream-deep); overflow:hidden;}
  .chain-intro{max-width:680px; margin-bottom:70px;}
  .bracelet{
    position:relative; display:flex; justify-content:space-between; align-items:flex-start;
    padding:0 10px;
  }
  .bracelet::before{
    content:''; position:absolute; top:44px; right:6%; left:6%; height:2px;
    background:repeating-linear-gradient(90deg, var(--gold) 0 10px, transparent 10px 18px);
    z-index:0;
  }
  .link{
    position:relative; z-index:1; display:flex; flex-direction:column; align-items:center;
    width:16%; text-align:center;
  }
  .link .bead{
    width:88px; height:88px; border-radius:50%; background:#fff; border:2px solid var(--green-deep);
    display:flex; align-items:center; justify-content:center; margin-bottom:16px;
    box-shadow:0 12px 22px -14px rgba(18,63,43,0.4);
  }
  .link .bead svg{width:34px; height:34px; stroke:var(--red-heart); fill:none; stroke-width:1.6;}
  .link h4{font-size:0.98rem; font-weight:800; color:var(--green-deep); margin-bottom:8px;}
  .link p{font-size:0.85rem; color:#54544a; display:none;}

  .chain-details{margin-top:60px; display:grid; gap:16px;}
  .detail-row{
    background:#fff; border:1px solid var(--line); border-radius:16px; padding:24px 28px;
    display:grid; grid-template-columns:190px 1fr; gap:20px; align-items:start;
  }
  .detail-row h4{font-family:'Tajawal'; font-weight:800; color:var(--green-mid); font-size:1.05rem; display:flex; align-items:center; gap:10px;}
  .detail-row h4 .dot{width:10px; height:10px; border-radius:50%; background:var(--red-heart); display:inline-block;}
  .detail-row p{color:#4a4a42; font-size:0.95rem;}

  @media (max-width:900px){
    .bracelet{flex-wrap:wrap; gap:24px;}
    .bracelet::before{display:none;}
    .link{width:45%;}
    .detail-row{grid-template-columns:1fr;}
  }

  /* ===== VOLUNTEER CTA ===== */
  .volunteer{
    background:var(--green-soft);
  }
  .vol-card{
    background:var(--cream); border:1px solid var(--line); border-radius:26px;
    padding:56px; display:grid; grid-template-columns:1.1fr 0.9fr; gap:40px; align-items:center;
    box-shadow:var(--shadow);
  }
  .vol-card h2{font-size:clamp(1.6rem,2.8vw,2.1rem); margin-bottom:16px;}
  .vol-card p{color:#4a4a42; margin-bottom:22px;}
  .req-list{list-style:none; display:grid; gap:12px;}
  .req-list li{display:flex; align-items:center; gap:12px; font-weight:500;}
  .req-list li::before{
    content:''; width:8px; height:8px; border-radius:50%; background:var(--red-heart); flex:none;
  }
  .vol-note{
    background:#fff; border:1px dashed var(--gold); border-radius:18px; padding:22px; font-size:0.92rem; color:#4a4a42;
  }
  @media (max-width:820px){ .vol-card{grid-template-columns:1fr; padding:34px;} }

  /* ===== CONTACT / FOOTER ===== */
  footer{
    background:var(--green-deep); color:#e7efe9; padding:70px 0 30px;
  }
  .foot-grid{display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:40px; margin-bottom:50px;}
  .foot-brand{display:flex; align-items:center; gap:14px; margin-bottom:16px;}
  .foot-brand img{width:52px; height:52px; border-radius:50%;}
  .foot-brand span{font-family:'Aref Ruqaa'; font-size:1.3rem; color:#fff;}
  footer h5{color:var(--gold); font-family:'Tajawal'; font-weight:800; margin-bottom:16px; font-size:1rem;}
  footer p, footer li{color:#cddccf; font-size:0.92rem;}
  footer ul{list-style:none; display:grid; gap:10px;}
  .foot-bottom{
    border-top:1px solid rgba(255,255,255,0.12); padding-top:24px;
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
    font-size:0.85rem; color:#9db6a4;
  }
  @media (max-width:820px){ .foot-grid{grid-template-columns:1fr;} }

  ::selection{background:var(--red-heart); color:#fff;}

  /* ============================================================
     إضافات المرحلة 7 — PWA / Mobile-first / Bottom Nav / النماذج
     (إضافية فقط، لا تعدّل الهوية البصرية الأصلية)
     ============================================================ */

  /* مناطق لمس 44px كحد أدنى */
  .btn, nav.links a, .bottom-nav a, button, .form-field input, .form-field select, .form-field textarea{
    min-height:44px;
  }

  /* safe-area-insets لأجهزة iOS ذات النوتش */
  body{ padding-bottom: env(safe-area-inset-bottom); }

  /* ===== Bottom Navigation Bar — الجوال فقط ===== */
  .bottom-nav{ display:none; }
  @media (max-width: 820px){
    .bottom-nav{
      position:fixed; right:0; left:0; bottom:0; z-index:60;
      display:flex; justify-content:space-around; align-items:stretch;
      background:rgba(250,245,233,0.98);
      border-top:1px solid var(--line);
      backdrop-filter:blur(8px);
      padding-bottom: env(safe-area-inset-bottom);
    }
    .bottom-nav a{
      flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center;
      gap:3px; padding:8px 4px; font-size:0.72rem; color:var(--green-deep); text-align:center;
    }
    .bottom-nav a svg{ width:22px; height:22px; stroke:var(--green-deep); fill:none; stroke-width:1.7; }
    .bottom-nav a.vol{
      color:var(--cream); font-weight:800;
      background:var(--green-deep); border-radius:999px;
      margin:8px 6px; padding:6px 4px;
    }
    .bottom-nav a.vol svg{ stroke:var(--cream); }
    .bottom-nav a.vol.active{ color:var(--cream); }
    .bottom-nav a.vol.active svg{ stroke:var(--cream); }
    .bottom-nav a.active{ color:var(--red-heart); }
    .bottom-nav a.active svg{ stroke:var(--red-heart); }
    /* مساحة أسفل الصفحة كي لا يغطي الشريط المحتوى */
    body{ padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
    footer{ margin-bottom: 0; }
  }

  /* ===== زر "تطوّع معنا" — نفس تنسيق .btn-solid في الهيرو، أفقي ومضغوط ===== */
  nav.links a.nav-cta{
    display:inline-flex; flex-direction:row; align-items:center; justify-content:center;
    gap:7px; white-space:nowrap; flex:none;
    padding:8px 18px; font-size:0.9rem; line-height:1.2; min-height:0;
    /* خلفية .btn-solid ثابتة افتراضيًا — نتغلب على color:var(--ink) في "nav.links a" */
    background:var(--green-deep); color:var(--cream); border:none;
  }
  nav.links a.nav-cta:hover{
    background:var(--green-deep); color:var(--cream);
    transform:translateY(-2px); box-shadow:var(--shadow);
  }
  nav.links a.nav-cta svg{
    width:15px; height:15px; flex:none;
    fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round;
  }
  nav.links a.nav-cta::after{ content:none; }
  @media (max-width:820px){
    nav.links a.nav-cta{ margin:12px 28px; min-height:44px; }
  }

  /* ===== قسم CTA بارز للتطوع في الصفحة الرئيسية ===== */
  .vol-cta-band{
    background:linear-gradient(180deg, var(--red-heart), #8f281f);
    color:var(--cream); text-align:center;
  }
  .vol-cta-band h2{ color:var(--cream); font-size:clamp(1.7rem,3vw,2.4rem); margin-bottom:16px; }
  .vol-cta-band p{ color:#f4e2df; max-width:620px; margin:0 auto 26px; font-size:1.08rem; }
  .vol-cta-band .btn-solid{ background:var(--cream); color:var(--green-deep); }
  .vol-cta-band .btn-outline{ border-color:var(--cream); color:var(--cream); }
  .vol-cta-band .btn-outline:hover{ background:var(--cream); color:var(--green-deep); }

  /* ===== النماذج (تطوع / تواصل) ===== */
  .form-page{ padding-top:104px; }
  .form-card{
    background:#fff; border:1px solid var(--line); border-radius:22px;
    padding:36px; box-shadow:var(--shadow); max-width:720px; margin:0 auto;
  }
  .form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
  .form-field{ display:flex; flex-direction:column; gap:6px; margin-bottom:4px; }
  .form-field.full{ grid-column:1 / -1; }
  .form-field label{ font-weight:700; font-size:0.9rem; color:var(--green-deep); }
  .form-field input, .form-field select, .form-field textarea{
    border:1.5px solid var(--line); border-radius:12px; padding:11px 14px;
    font-family:inherit; font-size:0.95rem; background:var(--cream); color:var(--ink);
  }
  .form-field input:focus, .form-field select:focus, .form-field textarea:focus{
    outline:none; border-color:var(--green-mid);
  }
  .form-field textarea{ min-height:120px; resize:vertical; }
  .field-error{ color:var(--red-heart); font-size:0.82rem; min-height:1em; }
  .form-alert{ padding:14px 18px; border-radius:12px; margin-bottom:18px; font-weight:700; }
  .form-alert.ok{ background:var(--green-soft); color:var(--green-deep); border:1px solid var(--green-mid); }
  .form-alert.err{ background:#fbe9e7; color:var(--red-heart); border:1px solid var(--red-heart); }
  @media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } .form-card{ padding:24px; } }

  /* ===== Spinner + Skeleton ===== */
  .spinner{
    width:18px; height:18px; border:2px solid rgba(255,255,255,0.4);
    border-top-color:#fff; border-radius:50%; display:inline-block;
    animation:spin 0.7s linear infinite; vertical-align:middle; margin-left:8px;
  }
  .btn[disabled]{ opacity:0.7; pointer-events:none; }
  .skeleton{
    background:linear-gradient(90deg,#eee 25%,#f5f5f5 37%,#eee 63%);
    background-size:400% 100%; animation:sk 1.4s ease infinite; border-radius:8px;
  }
  @keyframes sk{ 0%{background-position:100% 0} 100%{background-position:-100% 0} }