* { margin: 0; padding: 0; box-sizing: border-box; text-decoration: none; border: none; outline: none; scroll-behavior: smooth; font-family: 'Poppins', sans-serif; }
        :root { --bg-color: #080808; --second-bg-color: rgba(19, 19, 19, 0.8); --text-color: #fff; --main-color: #00ffee; --hover-color: #00cca4; --chat-bg: #1a1a1a; --user-msg-bg: #00ffee; --bot-msg-bg: #333; }
        html { font-size: 62.5%; overflow-x: hidden; height: 100%; }
        body { background-color: var(--bg-color); color: var(--text-color); overflow-x: hidden; min-height: 100vh; display: flex; flex-direction: column; position: relative; }
        ::-webkit-scrollbar { width: 10px; } ::-webkit-scrollbar-track { background: #050505; } ::-webkit-scrollbar-thumb { background: var(--main-color); border-radius: 5px; border: 2px solid #050505; }
        

        #preloader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: #000; z-index: 9999; display: flex; justify-content: center; align-items: center; transition: opacity 0.5s ease, visibility 0.5s; }
        .loader-content { display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; }
        .loader-ring { position: relative; width: 80px; height: 80px; border-radius: 50%; border: 3px solid transparent; border-top-color: var(--main-color); animation: spin 1.5s linear infinite; box-shadow: 0 0 10px rgba(0, 255, 238, 0.2); }
        .loader-ring::before { content: ""; position: absolute; top: 5px; left: 5px; right: 5px; bottom: 5px; border-radius: 50%; border: 3px solid transparent; border-top-color: #fff; animation: spin 2.5s linear infinite reverse; }
        .loader-ring::after { content: ""; position: absolute; top: 15px; left: 15px; right: 15px; bottom: 15px; border-radius: 50%; border: 3px solid transparent; border-top-color: var(--hover-color); animation: spin 1s linear infinite; }
        @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
        .loader-text { margin-top: 25px; color: #fff; font-size: 1.6rem; letter-spacing: 3px; font-weight: 600; text-transform: uppercase; animation: pulseGlow 2s ease-in-out infinite; }
        @keyframes pulseGlow { 0%, 100% { opacity: 0.6; text-shadow: 0 0 5px var(--main-color); } 50% { opacity: 1; text-shadow: 0 0 20px var(--main-color), 0 0 10px #fff; letter-spacing: 4px; } }


        #parallax-container { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -10; background-color: #050505; }
        .parallax-layer { position: absolute; width: 120%; height: 120%; background-size: cover; top: -10%; left: -10%; }
        .layer-bg { background-image: url('https://images.unsplash.com/photo-1534972195531-d756b9bfa9f2?q=80&w=1770&auto=format&fit=crop'); opacity: 0.4; z-index: 1; }
        .layer-overlay { background-image: radial-gradient(circle at center, transparent 0%, #000 90%); z-index: 2; opacity: 0.6; mix-blend-mode: multiply; }
        .cursor-spotlight { position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, rgba(0, 255, 238, 0.06) 0%, rgba(0,0,0,0) 70%); transform: translate(-50%, -50%); pointer-events: none; z-index: 3; transition: opacity 0.3s ease; }

   
        .bg-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.4; z-index: -1; animation: floatOrb 10s infinite alternate; }
        .orb-1 { width: 300px; height: 300px; background: var(--main-color); top: 10%; left: -100px; }
        .orb-2 { width: 400px; height: 400px; background: #9d12d4; bottom: 10%; right: -100px; animation-delay: -5s; }
        @keyframes floatOrb { from { transform: translateY(0); } to { transform: translateY(50px); } }


        .header { position: fixed; top: 0; left: 0; width: 100%; padding: 2rem 9%; background: rgba(5, 5, 5, 0.8); backdrop-filter: blur(15px); display: flex; justify-content: space-between; align-items: center; z-index: 100; border-bottom: 1px solid rgba(0, 255, 238, 0.1); }
        .logo { font-size: 2.5rem; color: #fff; font-weight: 800; text-transform: uppercase; display: flex; align-items: center; gap: 10px; font-family: "DM Serif Text", serif; }
        .logo svg { width: 40px; height: 40px; }
        .navbar { display: flex; align-items: center; }
        .navbar a { font-size: 1.7rem; color: #fff; margin-left: 3.5rem; font-weight: 500; transition: 0.3s; position: relative; }
        .navbar a:hover, .navbar a.active { color: var(--main-color); }
        .navbar a:hover::after, .navbar a.active::after { content: ''; position: absolute; left: 0; bottom: -5px; width: 100%; height: 2px; background: var(--main-color); }
        

        .lang-btn { margin-left: 2rem; padding: 0.5rem 1rem; border: 1px solid var(--main-color); border-radius: 5px; background: transparent; color: #fff; font-size: 1.4rem; cursor: pointer; display: flex; gap: 5px; align-items: center; }
        .lang-btn:hover { background: var(--main-color); color: #000; }
        .voice-control { margin-left: 1.5rem; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--main-color); border-radius: 50%; cursor: pointer; transition: 0.3s; color: var(--main-color); font-size: 2rem; }
        .voice-control:hover { background: var(--main-color); color: #000; box-shadow: 0 0 10px var(--main-color); }
        .voice-control.speaking { background: rgba(255, 0, 0, 0.2); border-color: #ff004c; color: #ff004c; animation: voicePulse 1s infinite; }
        @keyframes voicePulse { 0% { box-shadow: 0 0 0 0 rgba(255, 0, 76, 0.4); } 70% { box-shadow: 0 0 0 10px rgba(255, 0, 76, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 0, 76, 0); } }
        
        #menu-icon { font-size: 3.6rem; color: var(--main-color); display: none; cursor: pointer; }

        section { min-height: 100vh; padding: 14rem 9% 4rem; display: flex; flex-direction: column; align-items: center; position: relative; overflow: hidden; }
        .heading { font-size: 5rem; text-align: center; margin-bottom: 7rem; font-family: "DM Serif Text", serif; text-shadow: 0 0 20px rgba(0, 255, 238, 0.3); }

        .education-container { position: relative; max-width: 1200px; width: 100%; margin: 0 auto; }
        .education-line { position: absolute; top: 0; bottom: 0; left: 50%; width: 6px; background: rgba(255, 255, 255, 0.1); transform: translateX(-50%); border-radius: 3px; box-shadow: 0 0 10px rgba(0, 255, 238, 0.1); }
        .education-line::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 50%; background: linear-gradient(180deg, var(--main-color), transparent); opacity: 0.8; box-shadow: 0 0 15px var(--main-color); }

        .edu-box { position: relative; width: 50%; padding: 25px 30px; margin-bottom: 30px; }
        .edu-box.left { left: 0; text-align: right; }
        .edu-box.right { left: 50%; text-align: left; }
        .edu-box::after { content: ''; position: absolute; width: 24px; height: 24px; background: #000; border: 4px solid var(--main-color); border-radius: 50%; top: 45px; z-index: 2; transition: 0.4s; box-shadow: 0 0 15px var(--main-color); }
        .edu-box.left::after { right: -12px; }
        .edu-box.right::after { left: -12px; }
        .edu-box:hover::after { background: var(--main-color); box-shadow: 0 0 30px var(--main-color), 0 0 60px var(--main-color); transform: scale(1.3); }

        .edu-content { background: rgba(25, 25, 25, 0.6); border: 1px solid rgba(255, 255, 255, 0.08); padding: 35px 30px; border-radius: 15px; position: relative; overflow: hidden; backdrop-filter: blur(15px); transition: 0.4s ease; min-height: 160px; display: flex; flex-direction: column; justify-content: center; box-shadow: 0 5px 20px rgba(0,0,0,0.3); }
        .edu-content::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%); pointer-events: none; }
        .edu-content:hover { transform: translateY(-5px); border-color: var(--main-color); box-shadow: 0 15px 40px rgba(0, 255, 238, 0.15); }
        
        .year { font-size: 1.5rem; color: #000; font-weight: 700; margin-bottom: 15px; display: inline-block; background: var(--main-color); padding: 8px 18px; border-radius: 20px; box-shadow: 0 0 10px var(--main-color); align-self: flex-end; }
        .edu-box.right .year { align-self: flex-start; }

        .edu-content h3 { font-size: 2.6rem; margin-bottom: 10px; color: #fff; font-weight: 700; letter-spacing: 0.5px; }
        .edu-content p { font-size: 1.6rem; color: #ccc; line-height: 1.8; margin-bottom: 20px; }
        .edu-tags { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
        .edu-box.right .edu-tags { justify-content: flex-start; }
        .tag { font-size: 1.2rem; color: var(--main-color); border: 1px solid var(--main-color); padding: 4px 12px; border-radius: 15px; transition: 0.3s; background: rgba(0, 255, 238, 0.05); }
        .edu-content:hover .tag { background: var(--main-color); color: #000; }
        .edu-icon { position: absolute; font-size: 12rem; color: rgba(255, 255, 255, 0.02); bottom: -20px; right: 10px; transition: 0.5s; pointer-events: none; z-index: 0; }
        .edu-box.left .edu-icon { left: 10px; right: auto; transform: rotateY(180deg); }
        .edu-content:hover .edu-icon { color: rgba(0, 255, 238, 0.1); transform: scale(1.2) rotate(-10deg); }


        .footer { padding: 2rem 9%; background: var(--second-bg-color); display: flex; justify-content: center; margin-top: auto; position: relative; z-index: 10; }
        .footer p { font-size: 1.4rem; }


        .chat-widget { position: fixed; bottom: 30px; right: 30px; z-index: 1000; }
        .chat-icon { width: 60px; height: 60px; background: var(--main-color); border-radius: 50%; display: flex; justify-content: center; align-items: center; cursor: pointer; box-shadow: 0 0 15px rgba(0, 255, 238, 0.5); transition: 0.3s; animation: pulse 2s infinite; }
        .chat-icon i { font-size: 3rem; color: #000; }
        .chat-window { position: absolute; bottom: 80px; right: 0; width: 360px; height: 500px; background: rgba(20, 20, 20, 0.95); border: 1px solid rgba(0, 255, 238, 0.3); border-radius: 20px; display: none; flex-direction: column; box-shadow: 0 10px 30px rgba(0,0,0,0.5); backdrop-filter: blur(15px); }
        .chat-window.active { display: flex; }
        .chat-header { background: linear-gradient(135deg, var(--main-color), #009988); padding: 15px 20px; display: flex; justify-content: space-between; align-items: center; color: #000; }
        .chat-header h3 { font-size: 1.6rem; font-weight: 700; display: flex; align-items: center; gap: 10px; }
        .chat-body { flex: 1; padding: 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 15px; }
        .message-wrapper { display: flex; align-items: flex-end; gap: 10px; max-width: 85%; }
        .message-wrapper.user { align-self: flex-end; flex-direction: row-reverse; }
        .chat-avatar { width: 30px; height: 30px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; justify-content: center; align-items: center; font-size: 1.6rem; color: var(--main-color); border: 1px solid var(--main-color); flex-shrink: 0; }
        .message-wrapper.user .chat-avatar { background-color: var(--main-color); color: #000; }
        .message-content { padding: 12px 16px; border-radius: 15px; font-size: 1.3rem; line-height: 1.5; }
        .message-wrapper.bot .message-content { background: rgba(255, 255, 255, 0.08); color: #e0e0e0; border-bottom-left-radius: 2px; }
        .message-wrapper.user .message-content { background: var(--main-color); color: #000; border-bottom-right-radius: 2px; font-weight: 500; }
        .chat-input-area { padding: 15px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; gap: 10px; background: rgba(0,0,0,0.3); }
        .chat-input-area input { flex: 1; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); padding: 12px 15px; border-radius: 25px; color: #fff; }
        .chat-input-area button { background: var(--main-color); border: none; width: 45px; height: 45px; border-radius: 50%; cursor: pointer; color: #000; font-size: 1.8rem; }

        @media (max-width: 991px) { html { font-size: 55%; } .header { padding: 2rem 3%; } section { padding: 12rem 3% 2rem; } }
        @media (max-width: 768px) {
            .navbar { position: absolute; top: 100%; left: 0; width: 100%; padding: 1rem 3%; background: #080808; border-top: 1px solid var(--main-color); display: none; flex-direction: column; z-index: 99; }
            .navbar.active { display: flex; } .navbar a { display: block; margin: 2rem 0; } #menu-icon { display: block; }
            .education-line { left: 30px; } .edu-box { width: 100%; left: 0; padding-left: 60px; padding-right: 20px; text-align: left; margin-bottom: 40px; }
            .edu-box.left, .edu-box.right { left: 0; text-align: left; } .edu-box.left::after, .edu-box.right::after { left: 18px; right: auto; }
            .edu-box.left .edu-icon { left: auto; right: 10px; transform: none; } .year { align-self: flex-start; } .edu-tags { justify-content: flex-start; }
        }
        @media (max-width: 480px) { .chat-window { position: fixed; bottom: 90px; right: 20px; width: calc(100% - 40px); max-width: 320px; height: 450px; border-radius: 20px; margin: 0; } }