:root {
    --primary-teal: #00D9C0;
    --secondary-blue: #0066FF;
    --accent-purple: #7B61FF;
    --dark-text: #1A1A2E;
    --light-text: #4A5568;
    --bg-white: #FAFBFC;
    --bg-gray: #F0F4F8;
    --border-color: #E2E8F0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--dark-text);
    background: var(--bg-white);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Animated DNA background */
.dna-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.03;
    pointer-events: none;
}

.dna-helix {
    position: absolute;
    width: 2px;
    height: 100%;
    background: repeating-linear-gradient(0deg,
            var(--primary-teal) 0px,
            var(--primary-teal) 20px,
            transparent 20px,
            transparent 40px);
    animation: dnaFloat 20s ease-in-out infinite;
}

.dna-helix:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
}

.dna-helix:nth-child(2) {
    left: 30%;
    animation-delay: -5s;
}

.dna-helix:nth-child(3) {
    right: 30%;
    animation-delay: -10s;
}

.dna-helix:nth-child(4) {
    right: 10%;
    animation-delay: -15s;
}

@keyframes dnaFloat {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-50px) rotate(5deg);
    }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(250, 251, 252, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-teal), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-teal), var(--secondary-blue));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--light-text);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-teal), var(--secondary-blue));
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--dark-text);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content {
    animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(0, 217, 192, 0.1), rgba(0, 102, 255, 0.1));
    border: 1px solid var(--primary-teal);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--secondary-blue);
    margin-bottom: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-teal), var(--secondary-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero p {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: 2.5rem;
    max-width: 600px;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary-teal), var(--secondary-blue));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 217, 192, 0.3);
    position: relative;
    overflow: hidden;
}

.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 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 217, 192, 0.4);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 600px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.molecule-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.molecule-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid;
    animation: rotate 20s linear infinite;
}

.circle-1 {
    width: 400px;
    height: 400px;
    border-color: var(--primary-teal);
    opacity: 0.3;
}

.circle-2 {
    width: 300px;
    height: 300px;
    border-color: var(--secondary-blue);
    opacity: 0.4;
    animation-duration: 15s;
    animation-direction: reverse;
}

.circle-3 {
    width: 200px;
    height: 200px;
    border-color: var(--accent-purple);
    opacity: 0.5;
    animation-duration: 10s;
}

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

    to {
        transform: rotate(360deg);
    }
}

.atom {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-teal), var(--secondary-blue));
    box-shadow: 0 0 20px var(--primary-teal);
    animation: float 3s ease-in-out infinite;
}

.atom:nth-child(1) {
    top: 50%;
    left: 10%;
    animation-delay: 0s;
}

.atom:nth-child(2) {
    top: 20%;
    left: 50%;
    animation-delay: 0.5s;
}

.atom:nth-child(3) {
    top: 80%;
    left: 50%;
    animation-delay: 1s;
}

.atom:nth-child(4) {
    top: 50%;
    right: 10%;
    animation-delay: 1.5s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.center-core {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-teal), var(--secondary-blue), var(--accent-purple));
    border-radius: 50%;
    box-shadow: 0 0 50px rgba(0, 217, 192, 0.6);
    animation: pulse 2s ease-in-out infinite;
}

/* Sections */
section {
    padding: 6rem 2rem;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

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

.section-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(0, 217, 192, 0.1), rgba(0, 102, 255, 0.1));
    border: 1px solid var(--primary-teal);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--secondary-blue);
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--light-text);
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
#about {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-gray) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.about-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-teal), var(--secondary-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 217, 192, 0.15);
}

.about-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 217, 192, 0.1), rgba(0, 102, 255, 0.1));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.about-card p {
    color: var(--light-text);
    line-height: 1.8;
}

/* Projects Section */
#projects {
    background: var(--bg-white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

.project-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 102, 255, 0.15);
}

.project-image {
    height: 300px;
    background: linear-gradient(135deg, var(--primary-teal), var(--secondary-blue));
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    animation: ripple 4s ease-out infinite;
}

@keyframes ripple {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0;
    }
}

.project-content {
    padding: 2.5rem;
}

.project-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(0, 217, 192, 0.1);
    color: var(--primary-teal);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
}

.project-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.project-content p {
    color: var(--light-text);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.project-link {
    color: var(--secondary-blue);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.project-link:hover {
    gap: 1rem;
}

/* Contact Section */
#contact {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-gray) 100%);
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 4rem;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-text);
}

.form-group input,
.form-group textarea {
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--bg-gray);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-teal);
    background: white;
    box-shadow: 0 0 0 4px rgba(0, 217, 192, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-button {
    padding: 1.2rem 3rem;
    background: linear-gradient(135deg, var(--primary-teal), var(--secondary-blue));
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 217, 192, 0.3);
    font-family: 'Outfit', sans-serif;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 217, 192, 0.4);
}

/* Footer */
footer {
    background: var(--dark-text);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-teal), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-text {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-teal);
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero-visual {
        height: 400px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .contact-container {
        padding: 2rem;
    }

    .nav-links {
        display: none;
    }
}