/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Exo 2', sans-serif;
    line-height: 1.6;
    color: #f5f5f0;
    background-color: #000000;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(212, 175, 55, 0.03) 0%, transparent 25%),
        radial-gradient(circle at 75% 75%, rgba(241, 213, 146, 0.02) 0%, transparent 25%);
}

/* Typography - Orbitron for headings and tech elements */
h1, h2, h3, h4, h5, h6,
.hero-title,
.section-title,
.logo-text h2,
.nav-link,
.btn,
.expertise-item h4,
.portfolio-header h3,
.research-header h3,
.contact-info h3,
.contact-form h3,
.github-section h3,
.footer-brand-text h3 {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 0.5px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(212, 175, 55, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-hexagons, .footer-logo-hexagons {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-svg, .footer-logo-svg {
    transition: all 0.4s ease;
    filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.3));
}

.logo-svg:hover, .footer-logo-svg:hover {
    transform: scale(1.15) rotate(3deg);
    filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.8));
}

.logo-svg polygon, .logo-svg line, .logo-svg circle,
.footer-logo-svg polygon, .footer-logo-svg line, .footer-logo-svg circle {
    transition: all 0.4s ease;
}

.logo-svg:hover polygon[fill="none"], 
.footer-logo-svg:hover polygon[fill="none"] {
    stroke-width: 2px;
    opacity: 1;
    fill: rgba(212, 175, 55, 0.1);
}

.logo-svg:hover polygon[fill*="url"], 
.footer-logo-svg:hover polygon[fill*="url"] {
    filter: brightness(1.2);
    stroke-width: 2px;
}

.logo-svg:hover line,
.footer-logo-svg:hover line {
    stroke-width: 2px;
    opacity: 0.8;
}

.logo-svg:hover circle,
.footer-logo-svg:hover circle {
    r: 2.5;
    opacity: 1;
    filter: drop-shadow(0 0 4px rgba(212, 175, 55, 0.8));
}

/* Subtle pulse animation for the central connection point */
@keyframes hexPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.logo-svg circle, .footer-logo-svg circle {
    animation: hexPulse 3s ease-in-out infinite;
}

.logo-text h2 {
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(135deg, #D4AF37, #F1D592, #C9B037);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 0;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
    letter-spacing: 0.5px;
}

.logo-text span {
    color: #D4AF37;
    font-size: 0.9rem;
    font-weight: 400;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-family: 'Orbitron', sans-serif;
    color: #f5f5f0;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    letter-spacing: 0.5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #D4AF37, #F1D592);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.nav-link:hover {
    color: #D4AF37;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    color: #D4AF37;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #D4AF37;
    margin: 3px 0;
    transition: 0.3s;
    box-shadow: 0 0 5px rgba(212, 175, 55, 0.3);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(241, 213, 146, 0.05) 0%, transparent 40%);
    background-image: 
        repeating-linear-gradient(60deg, transparent, transparent 10px, rgba(212, 175, 55, 0.02) 10px, rgba(212, 175, 55, 0.02) 20px);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: 1px;
}

.hero-highlight {
    display: block;
    background: linear-gradient(135deg, #D4AF37, #F1D592, #C9B037);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
}

.hero-subtitle {
    font-family: 'Exo 2', sans-serif;
    display: block;
    font-size: 1.5rem;
    color: #D4AF37;
    font-weight: 400;
    margin-top: 0.5rem;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
    font-style: italic;
}

.hero-description {
    font-size: 1.2rem;
    color: #f5f5f0;
    margin-bottom: 2rem;
    max-width: 500px;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    font-family: 'Orbitron', sans-serif;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 0;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
    position: relative;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #D4AF37, #F1D592, #C9B037);
    color: #000000;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.4);
    background: linear-gradient(135deg, #F1D592, #D4AF37, #E4C441);
}

.btn-secondary {
    background: transparent;
    color: #D4AF37;
    border: 2px solid #D4AF37;
    box-shadow: inset 0 0 20px rgba(212, 175, 55, 0.1);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #D4AF37, #F1D592);
    color: #000000;
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.3);
}

.btn-outline {
    background: transparent;
    color: #D4AF37;
    border: 1px solid #D4AF37;
}

.btn-outline:hover {
    background: linear-gradient(135deg, #D4AF37, #F1D592);
    color: #000000;
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

/* Floating Elements */
.hero-visual {
    position: relative;
    height: 400px;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(241, 213, 146, 0.1));
    clip-path: polygon(30% 0%, 70% 0%, 100% 50%, 70% 100%, 30% 100%, 0% 50%);
    animation: float 8s ease-in-out infinite;
    border: 1px solid rgba(212, 175, 55, 0.3);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.floating-element:nth-child(1) {
    width: 120px;
    height: 104px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 80px;
    height: 69px;
    top: 60%;
    right: 20%;
    animation-delay: 2.5s;
}

.floating-element:nth-child(3) {
    width: 60px;
    height: 52px;
    top: 10%;
    right: 10%;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Section Styles */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #D4AF37, #F1D592, #C9B037);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #D4AF37;
    opacity: 0.9;
}

/* About Section */
.about {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(60deg, transparent, transparent 20px, rgba(212, 175, 55, 0.02) 20px, rgba(212, 175, 55, 0.02) 40px),
        repeating-linear-gradient(-60deg, transparent, transparent 20px, rgba(212, 175, 55, 0.02) 20px, rgba(212, 175, 55, 0.02) 40px);
    opacity: 0.3;
}

.about .container {
    position: relative;
    z-index: 2;
}

.about-text h3 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #D4AF37, #F1D592);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.about-text p {
    margin-bottom: 2rem;
    color: #f5f5f0;
    line-height: 1.8;
    opacity: 0.9;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.expertise-item {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(0, 0, 0, 0.6));
    padding: 2rem;
    border-radius: 0;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
    position: relative;
    backdrop-filter: blur(10px);
}

.expertise-item:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.2);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(0, 0, 0, 0.8));
}

.expertise-item i {
    font-size: 2rem;
    background: linear-gradient(135deg, #D4AF37, #F1D592);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

.expertise-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #f5f5f0;
    font-weight: 600;
}

.expertise-item p {
    color: #D4AF37;
    margin: 0;
    opacity: 0.9;
}

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

.portfolio-item {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(0, 0, 0, 0.6));
    padding: 2rem;
    border-radius: 0;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
    backdrop-filter: blur(10px);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.2);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(0, 0, 0, 0.8));
}

.portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.portfolio-header h3 {
    font-size: 1.5rem;
    color: #f5f5f0;
    font-weight: 600;
}

.portfolio-link, .research-link {
    color: #D4AF37;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.portfolio-link:hover, .research-link:hover {
    color: #F1D592;
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.portfolio-status, .research-status {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(241, 213, 146, 0.1));
    color: #D4AF37;
    padding: 0.25rem 0.75rem;
    border-radius: 0;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(212, 175, 55, 0.3);
    clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag, .tech-tag {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(201, 176, 55, 0.1));
    color: #D4AF37;
    padding: 0.25rem 0.75rem;
    border-radius: 0;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(212, 175, 55, 0.3);
    clip-path: polygon(6px 0%, 100% 0%, calc(100% - 6px) 100%, 0% 100%);
}

.tech-tag {
    background: linear-gradient(135deg, rgba(241, 213, 146, 0.2), rgba(212, 175, 55, 0.1));
    color: #F1D592;
    border-color: rgba(241, 213, 146, 0.4);
}

/* Research Section */
.research {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    position: relative;
}

.research::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(60deg, transparent, transparent 25px, rgba(212, 175, 55, 0.015) 25px, rgba(212, 175, 55, 0.015) 50px),
        repeating-linear-gradient(-60deg, transparent, transparent 25px, rgba(212, 175, 55, 0.015) 25px, rgba(212, 175, 55, 0.015) 50px);
    opacity: 0.4;
}

.research .container {
    position: relative;
    z-index: 2;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.research-item {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(0, 0, 0, 0.6));
    padding: 2rem;
    border-radius: 0;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
    backdrop-filter: blur(10px);
}

.research-item:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.2);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(0, 0, 0, 0.8));
}

.research-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.research-header i {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #D4AF37, #F1D592);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.research-header h3 {
    font-size: 1.3rem;
    color: #f5f5f0;
    flex: 1;
    font-weight: 600;
}

.research-description {
    color: #f5f5f0;
    margin-bottom: 1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.research-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.github-section {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(0, 0, 0, 0.6));
    border-radius: 0;
    border: 1px solid rgba(212, 175, 55, 0.2);
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
    backdrop-filter: blur(10px);
}

.github-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #f5f5f0;
    font-weight: 600;
}

.github-section p {
    color: #D4AF37;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #f5f5f0;
    font-weight: 600;
}

.contact-info p {
    color: #D4AF37;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #D4AF37;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: #F1D592;
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.contact-form {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(0, 0, 0, 0.6));
    padding: 2rem;
    border-radius: 0;
    border: 1px solid rgba(212, 175, 55, 0.2);
    clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
    backdrop-filter: blur(10px);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #f5f5f0;
    font-weight: 600;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 0;
    color: #f5f5f0;
    font-family: inherit;
    transition: all 0.3s ease;
    clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #D4AF37;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #D4AF37;
    opacity: 0.7;
}

.form-error {
    display: block;
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 0.25rem;
    opacity: 0;
    transform: translateY(-5px);
    transition: all 0.3s ease;
}

.form-error.show {
    opacity: 1;
    transform: translateY(0);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

.form-group input.success,
.form-group textarea.success {
    border-color: #10b981;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.form-message {
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: 0;
    clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
    font-weight: 500;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.form-message.show {
    opacity: 1;
    transform: translateY(0);
}

.form-message.success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-message.error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #000000 0%, #0a0a0a 100%);
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(60deg, transparent, transparent 30px, rgba(212, 175, 55, 0.01) 30px, rgba(212, 175, 55, 0.01) 60px);
    opacity: 0.5;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Footer logo styles now handled by .footer-logo-hexagons above */

.footer-brand-text h3 {
    background: linear-gradient(135deg, #D4AF37, #F1D592);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand-text p {
    color: #D4AF37;
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #D4AF37;
    text-decoration: none;
    transition: all 0.3s ease;
    opacity: 0.9;
}

.footer-links a:hover {
    color: #F1D592;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.footer-social {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.footer-social a {
    color: #D4AF37;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    opacity: 0.9;
}

.footer-social a:hover {
    color: #F1D592;
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    position: relative;
    z-index: 2;
}

.footer-bottom p {
    color: #D4AF37;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(15px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-top: 1px solid rgba(212, 175, 55, 0.2);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-visual {
        height: 300px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
    }

    .footer-links {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    .expertise-grid,
    .portfolio-grid,
    .research-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        justify-content: center;
    }

    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}