:root {
            --bg-color: #0f172a;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --accent: #38bdf8;
            --nav-bg: rgba(15, 23, 42, 0.95);
            --border: rgba(255, 255, 255, 0.1);
            --card-bg: #1e293b;
            --input-bg: #0f172a;
            --nav-height: 75px;
        }

        [data-theme="light"] {
            --bg-color: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --accent: #0ea5e9;
            --nav-bg: rgba(255, 255, 255, 0.95);
            --border: rgba(0, 0, 0, 0.08);
            --card-bg: #ffffff;
            --input-bg: #ffffff;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Plus Jakarta Sans', sans-serif; }
        
        body { 
            background: var(--bg-color); 
            color: var(--text-main); 
            transition: 0.3s; 
            min-height: 100vh;
            padding-top: calc(var(--nav-height) + 20px); 
        }

        /* --- NAVBAR --- */
        .navbar {
            display: flex; justify-content: space-between; align-items: center;
            padding: 0 5%; height: var(--nav-height); background: var(--nav-bg);
            border-bottom: 1px solid var(--border); position: fixed; top: 0; left: 0; width: 100%; z-index: 1001;
            backdrop-filter: blur(10px);
        }
        .logo { font-size: 1.3rem; font-weight: 800; text-decoration: none; color: var(--text-main); }
        .logo span { color: var(--accent); }
        
        .nav-links { display: flex; list-style: none; gap: 1.5rem; align-items: center; }
        .nav-link { text-decoration: none; color: var(--text-main); font-weight: 600; font-size: 0.85rem; cursor: pointer; }

        .dropdown { position: relative; }
        .dropdown-menu {
            position: absolute; top: 100%; left: 0; background: var(--card-bg);
            border: 1px solid var(--border); list-style: none; min-width: 200px;
            display: none; border-radius: 8px; padding: 10px 0; box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }
        .dropdown:hover .dropdown-menu { display: block; }
        .dropdown-menu li a { padding: 10px 20px; display: block; text-decoration: none; color: var(--text-muted); font-size: 0.8rem; }
        .dropdown-menu li a:hover { color: var(--accent); background: rgba(255,255,255,0.05); }

        .nav-right { display: flex; align-items: center; gap: 0.8rem; }
        .whatsapp-btn { background: #25d366; color: white; width: 35px; height: 35px; border-radius: 50%; text-decoration: none; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
        .hamburger { display: none; font-size: 1.3rem; cursor: pointer; }

        /* --- FORM SECTION --- */
        .form-section { width: 100%; display: flex; justify-content: center; padding: 20px 15px; }
        .form-container { width: 100%; max-width: 850px; background: var(--card-bg); border: 1px solid var(--border); padding: clamp(20px, 5vw, 40px); border-radius: 24px; box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
        .header { margin-bottom: 30px; border-left: 4px solid var(--accent); padding-left: 15px; }
        .header h2 { font-size: 1.8rem; font-weight: 800; }
        .header h2 span { color: var(--accent); }
        
        .grid-form { display: flex; flex-direction: column; gap: 20px; }
        .full-row, .field { width: 100%; }
        .field { display: flex; flex-direction: column; gap: 8px; }
        .field label { font-size: 0.75rem; font-weight: 800; color: var(--accent); text-transform: uppercase; }
        .opt-txt { color: var(--text-muted); font-weight: 400; font-size: 0.65rem; text-transform: none; }
        
        input, select, textarea { background: var(--input-bg); border: 1px solid var(--border); padding: 12px; border-radius: 10px; color: var(--text-main); outline: none; width: 100%; transition: 0.3s; }
        input:focus, select:focus, textarea:focus { border-color: var(--accent); }
        
        .section-tag { grid-column: auto; font-size: 0.8rem; font-weight: 900; color: var(--text-muted); border-bottom: 1px solid var(--border); padding-bottom: 5px; margin-top: 15px; text-transform: uppercase; }
        .submit-btn { background: var(--accent); color: #000; padding: 18px; border: none; border-radius: 12px; font-weight: 900; cursor: pointer; display: flex; justify-content: center; align-items: center; gap: 10px; transition: 0.3s; width: 100%; }

        /* --- SIDEBAR --- */
        .sidebar { position: fixed; top: 0; left: -110%; width: 280px; height: 100vh; background: var(--card-bg); z-index: 2500; transition: 0.4s; padding: 25px; border-right: 1px solid var(--border); overflow-y: auto; }
        .sidebar.active { left: 0; }
        .sidebar-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 2400; display: none; backdrop-filter: blur(4px); }
        
        .side-link { display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 12px 0; color: var(--text-main); text-decoration: none; font-weight: 600; border-bottom: 1px solid var(--border); font-size: 0.9rem; background: none; border: none; cursor: pointer; }
        .side-submenu { display: none; padding-left: 10px; background: rgba(0,0,0,0.05); }
        .side-submenu.show { display: block; }
        .side-sub-link { display: block; padding: 10px 20px; color: var(--text-muted); text-decoration: none; font-size: 0.8rem; border-bottom: 1px solid rgba(255,255,255,0.03); }
        
        .side-controls { display: none; align-items: center; gap: 15px; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid var(--border); }

        @media (max-width: 1024px) {
            .nav-links { display: none; }
            .hamburger { display: block; }
        }
    
    
    
    
    
    
    /*support*/
     .support-tab-container {
        position: fixed;
        right: 0;
        top: 60%;
        transform: translateY(-50%);
        z-index: 9999;
    }

    .support-slide-btn {
        display: flex;
        align-items: center;
        background: #38bdf8;
        color: #0f172a;
        text-decoration: none;
        border-radius: 30px 0 0 30px;
        padding: 5px;
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        width: 50px;
        overflow: hidden;
        white-space: nowrap;
        box-shadow: -5px 5px 15px rgba(0, 0, 0, 0.2);
    }

    .icon-box {
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .support-text {
        font-weight: 800;
        font-size: 0.85rem;
        margin-left: 15px;
        margin-right: 20px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        opacity: 0;
        transition: 0.3s;
    }

    .support-slide-btn:hover {
        width: 220px;
        color: #ffffff;
    }

    .support-slide-btn:hover .support-text {
        opacity: 1;
    }

    /* --- RESPONSIVE BREAKPOINTS --- */

    /* For 350px and 300px */
    @media (max-width: 350px) {
        .support-tab-container { top: 80%; } /* Move down to avoid overlapping main content */
        .support-slide-btn:hover { width: 180px; } /* Slightly shorter slide */
        .support-text { font-size: 0.7rem; margin-left: 10px; }
    }

    /* For 250px */
    @media (max-width: 250px) {
        .support-slide-btn { 
            width: 45px; 
            padding: 3px; 
        }
        .icon-box { width: 35px; height: 35px; font-size: 1rem; }
        .support-slide-btn:hover { width: 150px; }
    }

    /* For 200px */
    @media (max-width: 200px) {
        .support-tab-container { bottom: 10px; top: auto; right: 5px; }
        .support-slide-btn { border-radius: 50%; width: 40px; height: 40px; } /* Becomes a circle */
        .support-slide-btn:hover { width: 40px; } /* Disable slide because 200px is too narrow */
        .support-text { display: none; } /* Hide text completely */
        .icon-box { background: none; width: 100%; height: 100%; }
    }

    /* For 150px */
    @media (max-width: 150px) {
        .support-tab-container { right: 2px; bottom: 5px; }
        .support-slide-btn { width: 32px; height: 32px; }
        .icon-box { font-size: 0.8rem; }
    }
    
    
    
    
    
    
    
    
    
    
    
     
    /*footer
[[[[[[[[]]]]]djjjjjjjjjjjhdhbsdhbhdhhdhd]]]*/


   /* --- CORE OBSIDIAN STYLES --- */
    .obsidian-footer {
        background: #000000 !important;
        padding: 100px 5% 40px;
        position: relative;
        overflow: hidden;
    }

    .obsidian-container {
        max-width: 1200px;
        margin: 0 auto;
        color: #ffffff !important;
    }

    .footer-top-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        gap: 60px;
        margin-bottom: 80px;
    }

    /* --- NARRATIVE --- */
    .engineering-tag {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-family: monospace;
        font-size: 0.7rem;
        letter-spacing: 2px;
        color: var(--accent);
        margin-bottom: 20px;
    }

    .pulse-icon {
        width: 8px; height: 8px;
        background: var(--accent);
        border-radius: 50%;
        animation: obsidian-pulse 2s infinite;
    }

    .footer-headline {
        font-size: clamp(1.8rem, 4vw, 3rem);
        font-weight: 900;
        margin-bottom: 25px;
        line-height: 1.2;
    }

    .footer-headline span {
        color: transparent;
        -webkit-text-stroke: 1px #ffffff;
    }

    .footer-bio {
        color: #999 !important;
        line-height: 1.7;
        font-size: 0.95rem;
    }

    /* --- NAVIGATION --- */
    .nav-header {
        font-family: monospace;
        font-size: 0.8rem;
        letter-spacing: 3px;
        color: var(--accent);
        margin-bottom: 25px;
    }

    .nav-list { list-style: none; padding: 0; }
    .nav-list li { margin-bottom: 12px; }
    .nav-list a {
        text-decoration: none;
        color: #ffffff !important;
        font-weight: 600;
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        gap: 10px;
        transition: 0.3s;
    }

    .nav-list a i { font-size: 0.6rem; color: var(--accent); opacity: 0; transition: 0.3s; }
    .nav-list a:hover { color: var(--accent) !important; transform: translateX(5px); }
    .nav-list a:hover i { opacity: 1; }

    /* --- SOCIAL GRID --- */
    .obsidian-social-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        border: 1px solid rgba(255,255,255,0.1);
    }

    .obsidian-link {
        background: #000000;
        padding: 40px 20px;
        text-decoration: none;
        border: 0.5px solid rgba(255,255,255,0.05);
        transition: 0.4s;
        position: relative;
    }

    .obsidian-inner { display: flex; flex-direction: column; align-items: center; gap: 15px; position: relative; z-index: 2; }
    .obsidian-link i { font-size: 1.8rem; color: #fff; transition: 0.4s; }
    .obsidian-text { text-align: center; }
    .obsidian-text .label { display: block; font-family: monospace; font-size: 0.6rem; color: #555; }
    .obsidian-text .value { display: block; font-weight: 800; font-size: 0.85rem; color: #fff; }

    .obsidian-link:hover { background: var(--accent); }
    .obsidian-link:hover i, .obsidian-link:hover .value { color: #915c5c !important; }

    /* --- BOTTOM BAR --- */
    .obsidian-bottom {
        margin-top: 60px;
        padding-top: 30px;
        border-top: 1px solid rgba(255,255,255,0.1);
        display: flex;
        justify-content: space-between;
        font-family: monospace;
        font-size: 0.7rem;
        color: #444;
    }

    /* --- RESPONSIVE --- */
    @media (max-width: 900px) {
        .footer-top-grid { grid-template-columns: 1fr; }
        .obsidian-social-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 350px) {
        .obsidian-social-grid { grid-template-columns: 1fr; }
        .footer-headline { font-size: 1.5rem; }
        .nav-list a { font-size: 0.8rem; }
    }

    @media (max-width: 150px) {
        .engineering-tag, .obsidian-text, .bottom-right { display: none; }
    }

    /* REVEAL */
    .reveal { opacity: 0; transform: translateY(30px); transition: 0.8s ease-out; }
    .active-obsidian .reveal { opacity: 1; transform: translateY(0); }
    .d-1{ transition-delay: 0.1s; } .d-2{ transition-delay: 0.2s; } .d-3{ transition-delay: 0.3s; }
    .d-4{ transition-delay: 0.4s; } .d-5{ transition-delay: 0.5s; } .d-6{ transition-delay: 0.6s; }

    @keyframes obsidian-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }