/* --- BASE STYLES (from base.css) --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --cyber-gradient: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    --neon-green: #39ff14;
    --neon-blue: #00f5ff;
    --neon-pink: #ff1493;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--cyber-gradient);
    color: #ffffff;
    line-height: 1.7;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* --- LAYOUT STYLES (from layout.css) --- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 35, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(57, 255, 20, 0.5);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background: var(--neon-green);
    transition: 0.3s;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.nav-links a:not(.active):hover {
    color: var(--neon-green);
    background: transparent;
    border: none;
    transform: none;
    box-shadow: none;
}

.nav-links a.active {
    color: var(--neon-green);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(57, 255, 20, 0.3);
}

.section {
    padding: 8rem 0;
    position: relative;
}

.section h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    text-align: center;
    margin-bottom: 4rem;
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

footer {
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid var(--glass-border);
    margin-top: 6rem;
}


/* --- COMPONENT STYLES (from components.css) --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: 
        radial-gradient(circle at 20% 50%, rgba(57, 255, 20, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 245, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 20, 147, 0.1) 0%, transparent 50%);
}

.hero-content h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow-pulse 3s ease-in-out infinite;
}

.hero-content .subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(57, 255, 20, 0.4);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.cta-button:hover::before { left: 100%; }
.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(57, 255, 20, 0.6);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.profile-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue), var(--neon-pink));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    margin: 0 auto;
    animation: float-rotate 6s ease-in-out infinite;
    box-shadow: 0 20px 60px rgba(57, 255, 20, 0.3);
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}
.about-text p { margin-bottom: 1.5rem; }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--glass-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(57, 255, 20, 0.1), transparent);
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

.skill-category:hover::before { opacity: 1; }
.skill-category:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(57, 255, 20, 0.5);
    box-shadow: 0 25px 50px rgba(57, 255, 20, 0.3);
}

.skill-category h3 {
    color: var(--neon-green);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    position: relative;
    z-index: 2;
}

.skill-tag {
    background: rgba(57, 255, 20, 0.2);
    color: var(--neon-green);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(57, 255, 20, 0.3);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-tag:hover {
    background: rgba(57, 255, 20, 0.3);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 5px 15px rgba(57, 255, 20, 0.4);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--glass-bg);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

.cert-card:hover {
    transform: translateY(-10px) rotateY(5deg);
    box-shadow: 0 25px 50px rgba(0, 245, 255, 0.3);
    border-color: var(--neon-blue);
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--neon-blue);
}

.cert-card h3 {
    color: var(--neon-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.view-cert-btn {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-green));
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.view-cert-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 245, 255, 0.4);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--glass-bg);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s;
}

.project-card:hover::before { left: 100%; }
.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(255, 20, 147, 0.5);
    box-shadow: 0 25px 50px rgba(255, 20, 147, 0.3);
}

.project-card h3 {
    color: var(--neon-pink);
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    font-weight: 700;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.tech-tag {
    background: rgba(0, 245, 255, 0.2);
    color: var(--neon-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(0, 245, 255, 0.3);
}

.lab-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.lab-overview {
    background: var(--glass-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
}
.lab-overview h3 { color: var(--neon-green); margin-bottom: 1rem; }
.lab-overview h4 { color: var(--neon-blue); margin-top: 1.5rem; margin-bottom: 0.5rem;}

.lab-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-button {
    padding: 0.8rem 1.5rem;
    background: rgba(57, 255, 20, 0.1);
    color: var(--neon-green);
    border: 1px solid rgba(57, 255, 20, 0.3);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.tab-button.active, .tab-button:hover {
    background: rgba(57, 255, 20, 0.2);
    transform: translateY(-2px);
}

.tab-content {
    display: none;
    background: var(--glass-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
    display: block;
}
.tab-content h3 { color: var(--neon-green); margin-bottom: 1.5rem;}

.lab-card {
    background: var(--glass-bg);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    margin-bottom: 1rem;
}
.lab-card ul { padding-left: 1.5rem; }
.lab-card li { margin-bottom: 0.5rem; }

.blue-team-heading { color: var(--neon-blue); margin-top: 0rem; margin-bottom: 1rem; }
.red-team-heading { color: var(--neon-pink); margin-top: 0rem; margin-bottom: 1rem; }
.future-concepts-heading { color: var(--neon-green); margin-top: 0rem; margin-bottom: 1rem; }

.experiment-card { background: var(--glass-bg); padding: 2rem; border-radius: 15px; border: 1px solid var(--glass-border); margin-bottom: 2rem; }
.status-tag { margin-top: 1rem; display: inline-block; padding: 0.3rem 0.8rem; border-radius: 15px; font-size: 0.8rem;}
.status-tag.green { background: rgba(57, 255, 20, 0.2); }
.status-tag.blue { background: rgba(0, 245, 255, 0.2); }
.status-tag.pink { background: rgba(255, 20, 147, 0.2); }
.achievements-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.achievement-card { background: var(--glass-bg); padding: 2rem; border-radius: 15px; border: 1px solid var(--glass-border); text-align: center; }
.achievement-icon { font-size: 3rem; margin-bottom: 1rem; }

.contact-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}
.contact-content p { font-size: 1.1rem; margin-bottom: 2rem; color: rgba(255, 255, 255, 0.9); }

.contact-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: #ffffff;
    text-decoration: none;
    padding: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
}

.contact-link:hover {
    color: var(--neon-green);
    border-color: rgba(57, 255, 20, 0.5);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(57, 255, 20, 0.3);
}

.contact-icon { font-size: 2.5rem; }

/* --- MODAL STYLES --- */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    overflow: auto;
}

.modal-content {
    position: relative;
    margin: 5% auto;
    padding: 2rem;
    width: 90%;
    max-width: 800px;
    background: var(--cyber-gradient);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    color: white;
    animation: modalSlideIn 0.3s ease-out;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    color: #aaa;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: var(--neon-green);
}

/* New style for the certificate image */
.cert-image {
    width: 100%;
    height: auto;
    margin-top: 20px;
    border-radius: 10px;
    display: none;
}

/* Form Styling */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--neon-green);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}
.form-actions .cta-button {
    padding: 0.8rem 2rem;
    font-size: 1rem;
    box-shadow: none;
}
.form-actions .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(57, 255, 20, 0.4);
}

/* --- ANIMATIONS (from animations.css) --- */
@keyframes glow-pulse {
    0%, 100% { filter: drop-shadow(0 0 20px rgba(57, 255, 20, 0.4)); }
    50% { filter: drop-shadow(0 0 40px rgba(57, 255, 20, 0.8)); }
}

@keyframes float-rotate {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes modalSlideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes particleFade {
    0% { transform: scale(1) translateY(0); opacity: 0.7; }
    100% { transform: scale(0) translateY(-20px); opacity: 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.3; }
    50% { transform: translateY(-30px) rotate(180deg); opacity: 0.7; }
}

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-shapes { position: absolute; width: 100%; height: 100%; }

.shape {
    position: absolute;
    border: 2px solid rgba(57, 255, 20, 0.1);
    animation: float 8s ease-in-out infinite;
}

.shape:nth-child(1) { top: 20%; left: 10%; width: 100px; height: 100px; border-radius: 50%; border-color: rgba(57, 255, 20, 0.2); animation-delay: 0s; }
.shape:nth-child(2) { top: 60%; right: 10%; width: 80px; height: 80px; transform: rotate(45deg); border-color: rgba(0, 245, 255, 0.2); animation-delay: 2s; }
.shape:nth-child(3) { bottom: 20%; left: 20%; width: 120px; height: 120px; border-radius: 20px; border-color: rgba(255, 20, 147, 0.2); animation-delay: 4s; }


/* --- RESPONSIVE DESIGN (from responsive.css) --- */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .about-content { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
    .lab-content { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 3rem; }
    .section { padding: 5rem 0; }
    .container { padding: 0 1rem; }
    .modal-content { width: 95%; margin: 10% auto; padding: 1.5rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }

    .menu-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 15, 35, 0.95);
        flex-direction: column;
        padding: 1rem;
        transition: all 0.3s ease-in-out;
    }
    .nav-links.active { display: flex; }
}

@media (max-width: 480px) {
    .lab-tabs { flex-direction: column; }
    .tab-button { width: 100%; text-align: center; }
    .contact-links { grid-template-columns: 1fr; }
}