:root {
        --bg-0: #FFFFFF;
        --bg-1: #F8FAFC;
        --bg-2: #F1F5F9;
        --bg-3: #E2E8F0;

        --blue-50:  #EFF6FF;
        --blue-100: #DBEAFE;
        --blue-200: #BFDBFE;
        --blue-300: #93C5FD;
        --blue-400: #60A5FA;
        --blue-500: #3B82F6;
        --blue-600: #2563EB;
        --blue-700: #1D4ED8;
        --blue-800: #1E40AF;
        --blue-900: #1E3A8A;

        --text-primary: #0F172A;
        --text-secondary: #475569;
        --text-muted: #94A3B8;

        --border: #E2E8F0;

        --grad-blue: linear-gradient(135deg, #3B82F6 0%, #2563EB 50%, #1D4ED8 100%);

        --shadow-sm: 0 1px 2px rgba(15,23,42,0.05);
        --shadow-md: 0 4px 12px rgba(15,23,42,0.08);
        --shadow-lg: 0 12px 32px rgba(15,23,42,0.10);
        --shadow-xl: 0 24px 48px rgba(15,23,42,0.14);
        --shadow-blue: 0 14px 40px -12px rgba(37,99,235,0.55);

        --radius: 16px;
        --radius-lg: 24px;
        --radius-xl: 32px;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
        font-family: 'Tajawal', 'Cairo', sans-serif;
        background: var(--bg-0);
        color: var(--text-primary);
        line-height: 1.75;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    h1,h2,h3,h4,h5,h6,.cairo { font-family: 'Cairo', sans-serif; }

    /* ============ HEADER ============ */
    .header {
        position: fixed;
        top: 0; left: 0; right: 0;
        z-index: 1000;
        transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
    }
    .header-inner {
        max-width: 1360px;
        margin: 0 auto;
        padding: 0 40px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 90px;
        transition: height 0.4s ease;
    }
    .header.scrolled {
        background: rgba(255,255,255,0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 4px 20px rgba(15,23,42,0.06);
    }
    .header.scrolled .header-inner { height: 76px; }

    .header.transparent .logo-text { color: #fff; }
    .header.transparent .nav-link { color: rgba(255,255,255,0.85); }
    .header.transparent .nav-link:hover { color: #fff; }
    .header.transparent .mobile-toggle span { background: #fff; }

    .logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
    .logo-mark {
        width: 46px; height: 46px;
        border-radius: 13px;
        background: var(--grad-blue);
        display: flex; align-items: center; justify-content: center;
        position: relative;
        box-shadow: var(--shadow-blue);
    }
    .logo-mark::before {
        content: '';
        position: absolute; inset: 3px;
        border-radius: 10px;
        background: #fff;
    }
    .logo-mark::after {
        content: '';
        position: relative;
        width: 18px; height: 18px;
        border: 2.5px solid transparent;
        border-top-color: var(--blue-600);
        border-right-color: var(--blue-600);
        border-radius: 4px;
        transform: rotate(45deg);
    }
    .logo-text {
        font-family: 'Cairo', sans-serif;
        font-size: 25px;
        font-weight: 800;
        letter-spacing: -0.5px;
        color: var(--text-primary);
        transition: color 0.3s ease;
    }
    .logo-text span { color: var(--blue-600); }

    .nav { display: flex; align-items: center; gap: 42px; }
    .nav-link {
        text-decoration: none;
        color: var(--text-secondary);
        font-size: 15px;
        font-weight: 500;
        transition: all 0.3s ease;
        position: relative;
        padding: 6px 0;
    }
    .nav-link::before {
        content: '';
        position: absolute;
        bottom: 0; right: 50%;
        transform: translateX(50%);
        width: 0; height: 2px;
        background: var(--blue-600);
        border-radius: 2px;
        transition: width 0.35s cubic-bezier(0.4,0,0.2,1);
    }
    .nav-link:hover { color: var(--blue-600); }
    .nav-link:hover::before { width: 100%; }

    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: var(--blue-600);
        color: #fff;
        padding: 12px 26px;
        border-radius: 100px;
        text-decoration: none;
        font-size: 14px;
        font-weight: 700;
        font-family: 'Cairo', sans-serif;
        transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
        box-shadow: var(--shadow-blue);
    }
    .nav-cta:hover {
        background: var(--blue-700);
        transform: translateY(-2px);
    }

    .mobile-toggle {
        display: none;
        background: none; border: none;
        cursor: pointer; padding: 8px;
    }
    .mobile-toggle span {
        display: block; width: 24px; height: 2px;
        background: var(--text-primary); margin: 6px 0;
        border-radius: 2px; transition: 0.3s;
    }

    /* ============ HERO SLIDER ============ */
    .hero-slider {
        position: relative;
        width: 100%;
        height: 100vh;
        min-height: 700px;
        overflow: hidden;
        background: #0F172A;
    }
    .slide {
        position: absolute;
        inset: 0;
        opacity: 0;
        visibility: hidden;
        transition: opacity 1.2s cubic-bezier(0.4,0,0.2,1), visibility 1.2s;
    }
    .slide.active { opacity: 1; visibility: visible; }
    .slide-bg { position: absolute; inset: 0; z-index: 1; }
    .slide-bg img {
        width: 100%; height: 100%;
        object-fit: cover;
        transform: scale(1.1);
        transition: transform 8s ease-out;
        display: block;
    }
    .slide.active .slide-bg img { transform: scale(1); }
    .slide-bg::after {
        content: '';
        position: absolute;
        inset: 0;
        background:
            linear-gradient(180deg, rgba(15,23,42,0.35) 0%, rgba(15,23,42,0.55) 50%, rgba(15,23,42,0.85) 100%),
            linear-gradient(90deg, rgba(30,58,138,0.75) 0%, rgba(15,23,42,0.35) 50%, transparent 100%);
    }
    .slide-content {
        position: relative;
        z-index: 3;
        max-width: 1360px;
        height: 100%;
        margin: 0 auto;
        padding: 0 40px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding-top: 90px;
    }
    .slide-inner { max-width: 720px; }
    .slide-badge {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: rgba(37,99,235,0.25);
        border: 1px solid rgba(96,165,250,0.5);
        backdrop-filter: blur(14px);
        color: #BFDBFE;
        padding: 9px 20px;
        border-radius: 100px;
        font-size: 13px;
        font-weight: 600;
        font-family: 'Cairo', sans-serif;
        margin-bottom: 30px;
        opacity: 0;
        transform: translateY(30px);
    }
    .slide.active .slide-badge {
        animation: slideUp 0.9s 0.2s cubic-bezier(0.4,0,0.2,1) forwards;
    }
    .slide-badge-dot {
        width: 7px; height: 7px;
        background: #60A5FA;
        border-radius: 50%;
        box-shadow: 0 0 14px #60A5FA;
        animation: pulse 2s infinite;
    }
    @keyframes pulse {
        0%,100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.5; transform: scale(1.4); }
    }
    .slide-title {
        font-size: 72px;
        font-weight: 900;
        line-height: 1.1;
        letter-spacing: -2.5px;
        margin-bottom: 26px;
        font-family: 'Cairo', sans-serif;
        color: #FFFFFF;
        opacity: 0;
        transform: translateY(40px);
        text-shadow: 0 2px 30px rgba(0,0,0,0.3);
    }
    .slide.active .slide-title {
        animation: slideUp 1s 0.35s cubic-bezier(0.4,0,0.2,1) forwards;
    }
    .slide-title .grad {
        background: linear-gradient(135deg, #60A5FA 0%, #93C5FD 100%);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .slide-desc {
        font-size: 19px;
        color: rgba(255,255,255,0.88);
        line-height: 1.9;
        margin-bottom: 44px;
        max-width: 580px;
        opacity: 0;
        transform: translateY(40px);
        text-shadow: 0 1px 20px rgba(0,0,0,0.3);
    }
    .slide.active .slide-desc {
        animation: slideUp 1s 0.5s cubic-bezier(0.4,0,0.2,1) forwards;
    }
    .slide-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        opacity: 0;
        transform: translateY(40px);
    }
    .slide.active .slide-actions {
        animation: slideUp 1s 0.65s cubic-bezier(0.4,0,0.2,1) forwards;
    }
    @keyframes slideUp {
        to { opacity: 1; transform: translateY(0); }
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        background: var(--blue-600);
        color: #fff;
        padding: 17px 36px;
        border-radius: 100px;
        text-decoration: none;
        font-size: 15px;
        font-weight: 700;
        font-family: 'Cairo', sans-serif;
        transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
        border: none; cursor: pointer;
        box-shadow: 0 14px 40px -12px rgba(37,99,235,0.7);
        position: relative;
        overflow: hidden;
    }
    .btn-primary:hover {
        background: var(--blue-700);
        transform: translateY(-3px);
        box-shadow: 0 22px 55px -12px rgba(37,99,235,0.9);
    }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        background: rgba(255,255,255,0.15);
        color: #fff;
        padding: 17px 36px;
        border-radius: 100px;
        text-decoration: none;
        font-size: 15px;
        font-weight: 600;
        font-family: 'Cairo', sans-serif;
        transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
        border: 1.5px solid rgba(255,255,255,0.4);
        backdrop-filter: blur(14px);
    }
    .btn-secondary:hover {
        background: rgba(255,255,255,0.25);
        border-color: rgba(255,255,255,0.7);
        transform: translateY(-3px);
    }

    .slider-ui {
        position: absolute;
        bottom: 50px;
        left: 0; right: 0;
        z-index: 10;
        max-width: 1360px;
        margin: 0 auto;
        padding: 0 40px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .slider-dots { display: flex; gap: 14px; align-items: center; }
    .dot {
        width: 48px; height: 3px;
        background: rgba(255,255,255,0.3);
        border-radius: 2px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition: all 0.4s ease;
    }
    .dot.active { background: rgba(255,255,255,0.2); }
    .dot.active::after {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--blue-500);
        transform-origin: right;
        animation: dotProgress 7s linear forwards;
        box-shadow: 0 0 12px var(--blue-500);
    }
    @keyframes dotProgress {
        from { transform: scaleX(0); }
        to { transform: scaleX(1); }
    }
    .dot:hover { background: rgba(255,255,255,0.5); }

    .slider-arrows { display: flex; gap: 12px; }
    .slider-arrow {
        width: 54px; height: 54px;
        border-radius: 50%;
        background: rgba(255,255,255,0.12);
        border: 1px solid rgba(255,255,255,0.3);
        backdrop-filter: blur(14px);
        color: #fff;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.35s ease;
    }
    .slider-arrow:hover {
        background: var(--blue-600);
        border-color: var(--blue-600);
        transform: scale(1.08);
    }
    .slider-arrow svg { width: 18px; height: 18px; }

    .slider-counter {
        position: absolute;
        bottom: 50px;
        left: 50%;
        transform: translateX(-50%);
        font-family: 'Cairo', sans-serif;
        font-size: 14px;
        font-weight: 600;
        color: rgba(255,255,255,0.7);
        z-index: 10;
        letter-spacing: 2px;
    }
    .slider-counter strong { color: #fff; font-weight: 800; }

    /* ============ INTRO STATS ============ */
    .intro-strip {
        max-width: 1360px;
        margin: 0 auto;
        padding: 100px 40px 40px;
        position: relative;
        z-index: 1;
    }
    .intro-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-xl);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
    }
    .intro-item {
        padding: 44px 30px;
        text-align: center;
        border-left: 1px solid var(--border);
        transition: all 0.4s ease;
        position: relative;
    }
    .intro-item:first-child { border-left: none; }
    .intro-item:hover { background: var(--blue-50); }
    .intro-number {
        font-family: 'Cairo', sans-serif;
        font-size: 48px;
        font-weight: 900;
        letter-spacing: -1.5px;
        line-height: 1;
        color: var(--blue-600);
        margin-bottom: 10px;
    }
    .intro-label {
        font-size: 14px;
        color: var(--text-secondary);
        font-weight: 500;
    }

    /* ============ SECTION ============ */
    .section {
        padding: 130px 40px;
        max-width: 1360px;
        margin: 0 auto;
        position: relative;
        z-index: 1;
    }
    .section-header {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 80px;
    }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        font-size: 13px;
        font-weight: 700;
        color: var(--blue-600);
        letter-spacing: 3px;
        text-transform: uppercase;
        margin-bottom: 22px;
        font-family: 'Cairo', sans-serif;
    }
    .section-label::before,
    .section-label::after {
        content: '';
        width: 28px; height: 2px;
        background: var(--blue-600);
        border-radius: 2px;
    }
    .section-title {
        font-size: 52px;
        font-weight: 800;
        letter-spacing: -1.5px;
        line-height: 1.2;
        margin-bottom: 20px;
        font-family: 'Cairo', sans-serif;
    }
    .section-desc {
        font-size: 17px;
        color: var(--text-secondary);
        line-height: 1.9;
    }

    /* ============ SYSTEMS PORTFOLIO ============ */
    .systems-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 26px;
    }
    .system-tile {
        position: relative;
        aspect-ratio: 4/4.6;
        border-radius: var(--radius-lg);
        overflow: hidden;
        cursor: pointer;
        background: var(--bg-2);
        border: 1px solid var(--border);
        transition: all 0.5s cubic-bezier(0.4,0,0.2,1);
        box-shadow: var(--shadow-md);
    }
    .system-tile:hover {
        transform: translateY(-8px);
        border-color: var(--blue-300);
        box-shadow: 0 40px 80px -30px rgba(37,99,235,0.35);
    }
    .system-tile-img { position: absolute; inset: 0; }
    .system-tile-img img {
        width: 100%; height: 100%;
        object-fit: cover;
        transition: transform 0.9s cubic-bezier(0.4,0,0.2,1);
        display: block;
    }
    .system-tile:hover .system-tile-img img { transform: scale(1.1); }
    .system-tile-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 0%, transparent 40%, rgba(15,23,42,0.5) 70%, rgba(15,23,42,0.95) 100%);
        transition: all 0.5s ease;
    }
    .system-tile:hover .system-tile-overlay {
        background: linear-gradient(180deg, rgba(37,99,235,0.35) 0%, rgba(30,58,138,0.85) 45%, rgba(15,23,42,0.98) 100%);
    }
    .system-tile-tag {
        position: absolute;
        top: 20px;
        right: 20px;
        background: rgba(255,255,255,0.95);
        backdrop-filter: blur(12px);
        padding: 8px 16px;
        border-radius: 100px;
        font-size: 11px;
        font-weight: 800;
        color: var(--blue-700);
        border: 1px solid rgba(37,99,235,0.3);
        font-family: 'Cairo', sans-serif;
        letter-spacing: 1.5px;
        text-transform: uppercase;
        z-index: 3;
    }
    .system-tile-num {
        position: absolute;
        top: 20px;
        left: 20px;
        font-family: 'Cairo', sans-serif;
        font-size: 13px;
        font-weight: 700;
        color: rgba(255,255,255,0.85);
        letter-spacing: 1px;
        z-index: 3;
        background: rgba(15,23,42,0.5);
        backdrop-filter: blur(10px);
        padding: 5px 12px;
        border-radius: 100px;
    }
    .system-tile-content {
        position: absolute;
        bottom: 0; left: 0; right: 0;
        padding: 32px 28px;
        z-index: 3;
    }
    .system-tile-title {
        font-family: 'Cairo', sans-serif;
        font-size: 24px;
        font-weight: 800;
        letter-spacing: -0.5px;
        margin-bottom: 10px;
        color: #fff;
        text-shadow: 0 2px 20px rgba(0,0,0,0.4);
    }
    .system-tile-desc {
        font-size: 14px;
        color: rgba(255,255,255,0.85);
        line-height: 1.75;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.5s cubic-bezier(0.4,0,0.2,1);
    }
    .system-tile:hover .system-tile-desc {
        max-height: 100px;
        opacity: 1;
        margin-bottom: 22px;
    }
    .system-tile-actions {
        display: flex;
        gap: 10px;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.5s 0.1s cubic-bezier(0.4,0,0.2,1);
    }
    .system-tile:hover .system-tile-actions {
        max-height: 80px;
        opacity: 1;
        transform: translateY(0);
    }
    .tile-btn {
        flex: 1;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 13px 18px;
        border-radius: 100px;
        font-family: 'Cairo', sans-serif;
        font-size: 13px;
        font-weight: 700;
        text-decoration: none;
        transition: all 0.35s ease;
        border: none;
        white-space: nowrap;
    }
    .tile-btn.primary {
        background: var(--blue-600);
        color: #fff;
        box-shadow: 0 10px 26px -8px rgba(37,99,235,0.8);
    }
    .tile-btn.primary:hover {
        background: var(--blue-700);
        transform: translateY(-2px);
    }
    .tile-btn.ghost {
        background: rgba(255,255,255,0.95);
        color: var(--blue-700);
        border: 1px solid rgba(255,255,255,0.9);
    }
    .tile-btn.ghost:hover {
        background: #fff;
        transform: translateY(-2px);
    }
    .tile-btn svg { width: 14px; height: 14px; }

    /* ============ FEATURES ============ */
    .features-wrap {
        background: var(--bg-1);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }
    .features-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .feature-item {
        padding: 42px 34px;
        background: #fff;
        border-radius: var(--radius-lg);
        border: 1px solid var(--border);
        transition: all 0.5s cubic-bezier(0.4,0,0.2,1);
        position: relative;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }
    .feature-item:hover {
        transform: translateY(-6px);
        border-color: var(--blue-200);
        box-shadow: 0 30px 60px -25px rgba(37,99,235,0.25);
    }
    .feature-icon {
        width: 60px; height: 60px;
        border-radius: 15px;
        background: var(--blue-50);
        border: 1px solid var(--blue-100);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 28px;
        transition: all 0.4s ease;
    }
    .feature-item:hover .feature-icon {
        background: var(--blue-600);
        border-color: var(--blue-600);
        transform: scale(1.05);
    }
    .feature-icon svg {
        width: 27px; height: 27px;
        stroke: var(--blue-600);
        fill: none;
        stroke-width: 1.8;
        stroke-linecap: round;
        stroke-linejoin: round;
        transition: all 0.4s ease;
    }
    .feature-item:hover .feature-icon svg { stroke: #fff; }
    .feature-title {
        font-size: 20px;
        font-weight: 800;
        margin-bottom: 12px;
        font-family: 'Cairo', sans-serif;
        color: var(--text-primary);
    }
    .feature-desc {
        font-size: 14.5px;
        color: var(--text-secondary);
        line-height: 1.85;
    }

    /* ============================================================
       CTA مع PARALLAX - نسخة طبق الأصل من منصة نُور
       النقطة الأساسية: لا يوجد overflow:hidden على الأب
       ولا يوجد transform (reveal) على العنصر نفسه
       ============================================================ */
    .cta-section {
        padding: 130px 40px;
        max-width: 1360px;
        margin: 0 auto;
    }
    .cta-box {
        /* لا overflow: hidden هنا! */
        border-radius: var(--radius-xl);
        padding: 140px 70px;
        text-align: center;
        position: relative;
        min-height: 480px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 40px 80px -30px rgba(37,99,235,0.5);

        /* ====== Parallax بخاصية background-attachment ====== */
        background-image: url('https://images.unsplash.com/photo-1523240795612-9a054b0db644?w=1600&q=80');
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        background-repeat: no-repeat;
    }

    /* طبقة الأزرق الشفافة فوق الصورة - نفس تدرج منصة نُور */
    .cta-box::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: var(--radius-xl);
        background: linear-gradient(135deg, rgba(29,78,216,0.85) 0%, rgba(37,99,235,0.78) 50%, rgba(59,130,246,0.82) 100%);
        z-index: 1;
        pointer-events: none;
    }

    .cta-content {
        position: relative;
        z-index: 2;
    }
    .cta-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 12px;
        font-weight: 700;
        color: #BFDBFE;
        letter-spacing: 3px;
        text-transform: uppercase;
        margin-bottom: 26px;
        font-family: 'Cairo', sans-serif;
    }
    .cta-title {
        font-size: 52px;
        font-weight: 900;
        margin-bottom: 22px;
        letter-spacing: -1.5px;
        line-height: 1.2;
        font-family: 'Cairo', sans-serif;
        color: #fff;
        text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    }
    .cta-title .grad {
        background: linear-gradient(135deg, #BFDBFE 0%, #FFFFFF 100%);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .cta-desc {
        font-size: 18px;
        color: rgba(255,255,255,0.95);
        max-width: 580px;
        margin: 0 auto 46px;
        line-height: 1.9;
        text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    }
    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }
    .cta-btn-white {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        background: #fff;
        color: var(--blue-700);
        padding: 17px 36px;
        border-radius: 100px;
        text-decoration: none;
        font-size: 15px;
        font-weight: 700;
        font-family: 'Cairo', sans-serif;
        transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
        box-shadow: 0 14px 40px -12px rgba(0,0,0,0.25);
    }
    .cta-btn-white:hover {
        transform: translateY(-3px);
        box-shadow: 0 22px 55px -12px rgba(0,0,0,0.35);
    }
    .cta-btn-ghost {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        background: rgba(255,255,255,0.15);
        color: #fff;
        padding: 17px 36px;
        border-radius: 100px;
        text-decoration: none;
        font-size: 15px;
        font-weight: 600;
        font-family: 'Cairo', sans-serif;
        transition: all 0.4s ease;
        border: 1.5px solid rgba(255,255,255,0.45);
        backdrop-filter: blur(14px);
    }
    .cta-btn-ghost:hover {
        background: rgba(255,255,255,0.28);
        border-color: rgba(255,255,255,0.75);
        transform: translateY(-3px);
    }

    /* ============================================================
       FOOTER مع PARALLAX - نسخة طبق الأصل من منصة نُور
       ============================================================ */
    .footer {
        position: relative;
        color: #CBD5E1;
        padding: 80px 0 0;
        overflow: hidden;
        /* ====== Parallax بخاصية background-attachment ====== */
        background-image: url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?w=1600&q=80');
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        background-repeat: no-repeat;
    }

    /* طبقة التعتيم - نفس تدرج منصة نُور (تسمح برؤية الصورة) */
    .footer::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(15,23,42,0.9) 0%, rgba(15,23,42,0.85) 50%, rgba(15,23,42,0.92) 100%);
        z-index: 1;
        pointer-events: none;
    }
    .footer > * { position: relative; z-index: 2; }

    .footer .container {
        max-width: 1360px;
        margin: 0 auto;
        padding: 0 40px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
        gap: 48px;
        padding-bottom: 60px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .footer .logo { color: #fff; margin-bottom: 20px; }
    .footer .logo-text { color: #fff; }
    .footer .logo-text span { color: #93C5FD; }
    .footer .logo-mark::before { background: #fff; }
    .footer-col > p {
        line-height: 1.8;
        font-size: 15px;
        margin-bottom: 24px;
        color: #94A3B8;
    }
    .footer-col h4 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 20px;
        font-family: 'Cairo', sans-serif;
    }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul a {
        color: #94A3B8;
        font-size: 15px;
        transition: all 0.3s ease;
        text-decoration: none;
    }
    .footer-col ul a:hover {
        color: #93C5FD;
        padding-right: 6px;
    }
    .footer .social-links { display: flex; gap: 10px; }
    .footer .social-links a {
        width: 42px; height: 42px;
        border-radius: 12px;
        background: rgba(255,255,255,0.08);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.35s ease;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255,255,255,0.1);
        text-decoration: none;
    }
    .footer .social-links a:hover {
        background: var(--blue-600);
        transform: translateY(-3px);
        box-shadow: 0 10px 25px rgba(37,99,235,0.4);
    }
    .footer .social-links a svg {
        width: 17px; height: 17px;
        stroke: rgba(255,255,255,0.85);
        fill: none;
        stroke-width: 1.8;
    }

    .footer-contact-item {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 14px;
        color: rgba(255,255,255,0.8);
        margin-bottom: 12px;
        transition: color 0.3s ease;
    }
    .footer-contact-item:hover { color: #93C5FD; }
    .footer-contact-item svg {
        width: 16px; height: 16px;
        stroke: #60A5FA;
        fill: none;
        stroke-width: 1.8;
        flex-shrink: 0;
    }

    .footer-bottom {
        padding: 30px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 20px;
    }
    .footer-bottom p {
        font-size: 14px;
        color: #94A3B8;
    }

    /* ============ RESPONSIVE ============ */
    @media (max-width: 1100px) {
        .systems-grid { grid-template-columns: repeat(2, 1fr); }
        .features-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 44px; }
        .intro-grid { grid-template-columns: repeat(2, 1fr); }
        .intro-item:nth-child(3) { border-left: none; }
        .intro-item:nth-child(1), .intro-item:nth-child(2) { border-bottom: 1px solid var(--border); }
        .slide-title { font-size: 56px; }
    }
    @media (max-width: 768px) {
        .header-inner { padding: 0 20px; height: 76px; }
        .nav { display: none; }
        .mobile-toggle { display: block; }
        .header.transparent .mobile-toggle span { background: #fff; }
        .header.scrolled .mobile-toggle span { background: var(--text-primary); }

        .hero-slider { height: 92vh; min-height: 620px; }
        .slide-content { padding: 100px 22px 120px; }
        .slide-title { font-size: 36px; letter-spacing: -1px; }
        .slide-desc { font-size: 15.5px; }
        .slide-actions { flex-direction: column; align-items: stretch; }
        .btn-primary, .btn-secondary { width: 100%; justify-content: center; padding: 15px 30px; }

        .slider-ui { padding: 0 20px; bottom: 30px; }
        .slider-arrow { width: 44px; height: 44px; }
        .dot { width: 32px; }
        .slider-counter { bottom: 30px; font-size: 12px; }

        .intro-strip { padding: 70px 20px 30px; }
        .intro-item { padding: 32px 18px; }
        .intro-number { font-size: 34px; }

        .section { padding: 80px 20px; }
        .section-title { font-size: 32px; }
        .systems-grid { grid-template-columns: 1fr; gap: 20px; }
        .system-tile { aspect-ratio: 4/4.5; }
        .system-tile-actions { max-height: 80px; opacity: 1; transform: translateY(0); }
        .system-tile-desc { max-height: 100px; opacity: 1; margin-bottom: 18px; }
        .features-grid { grid-template-columns: 1fr; gap: 16px; }
        .feature-item { padding: 34px 26px; }

        .cta-section { padding: 60px 20px; }
        .cta-box {
            padding: 100px 26px;
            border-radius: 24px;
            min-height: 420px;
            background-attachment: scroll; /* للجوال */
        }
        .cta-title { font-size: 28px; }
        .cta-actions { flex-direction: column; }
        .cta-actions > * { width: 100%; justify-content: center; }

        .footer { background-attachment: scroll; }
        .footer .container { padding: 0 20px; }
        .footer-grid { grid-template-columns: 1fr; gap: 32px; }
        .footer-bottom { justify-content: center; text-align: center; }
    }

    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.9s cubic-bezier(0.4,0,0.2,1), transform 0.9s cubic-bezier(0.4,0,0.2,1);
    }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    .reveal-delay-1 { transition-delay: 0.12s; }
    .reveal-delay-2 { transition-delay: 0.24s; }

    ::-webkit-scrollbar { width: 10px; }
    ::-webkit-scrollbar-track { background: var(--bg-1); }
    ::-webkit-scrollbar-thumb {
        background: var(--blue-600);
        border-radius: 10px;
        border: 2px solid var(--bg-1);
    }
    ::selection { background: var(--blue-200); color: var(--blue-900); }