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

:root {
    --primary-color: #14b8a6;
    --secondary-color: #0d9488;
    --accent-color: #2dd4bf;
    --bg-dark: #1a1a1a;
    --bg-darker: #0f0f0f;
    --bg-card: #2a2a2a;
    --text-light: #ffffff;
    --text-muted: #a3a3a3;
    --text-green: #5eead4;
    --border-color: #404040;
    --border-thick: 1px;
    --radius: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-light);
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 50%, #0f0f0f 100%);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #0d9488 0%, #14b8a6 50%, #0d9488 100%);
    border-bottom: var(--border-thick) solid rgba(20, 184, 166, 0.3);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--bg-darker);
    letter-spacing: -1px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 1rem;
    list-style: none;
}

.nav-links a {
    color: var(--bg-darker);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    background: transparent;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--bg-darker);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 80%;
}

.nav-links a:hover {
    color: var(--bg-darker);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--bg-darker);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

main {
    margin-top: 80px;
}

#hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 50%, #1a1a1a 100%);
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    50% {
        transform: translateY(-30px) translateX(20px);
    }
}

.hero-content {
    max-width: 700px;
    text-align: left;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    color: var(--text-light);
    letter-spacing: -3px;
    animation: fadeInUp 0.8s ease;
}

.hero-content h1 .highlight {
    background: var(--primary-color);
    color: var(--bg-darker);
    padding: 0 0.3em;
    border-radius: 4px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 400;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-content .hero-link {
    color: #60a5fa;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.hero-content .hero-link:hover {
    color: #93c5fd;
}

.hero-content .hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.btn-primary {
    padding: 0.9rem 2rem;
    background: var(--bg-darker);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 50px;
    border: 2px solid var(--text-light);
    font-weight: 800;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    background: var(--text-light);
    color: var(--bg-darker);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    padding: 0.9rem 2rem;
    background: transparent;
    color: var(--text-light);
    text-decoration: none;
    border-radius: 50px;
    border: 2px solid var(--text-light);
    font-weight: 800;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--bg-darker);
    transform: translateY(-2px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    padding: 5rem 2rem;
}

#projects {
    background: linear-gradient(180deg, #0f0f0f 0%, #1a1a1a 100%);
}

h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--text-light);
    font-weight: 800;
    letter-spacing: -2px;
}

.projects-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.6) 0%, rgba(31, 31, 31, 0.6) 100%);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(64, 64, 64, 0.5);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-bottom: 1px solid rgba(64, 64, 64, 0.5);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.project-info p {
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.tag {
    background: rgba(15, 15, 15, 0.8);
    color: var(--text-green);
    border: 1px solid rgba(94, 234, 212, 0.3);
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    backdrop-filter: blur(5px);
}

.learn-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--bg-darker);
    background: var(--primary-color);
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.learn-more:hover {
    transform: translateY(-2px);
    background: var(--secondary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.learn-more svg {
    transition: transform 0.3s ease;
}

.learn-more:hover svg {
    transform: translateX(4px);
}

#about {
    background: linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.6) 0%, rgba(31, 31, 31, 0.6) 100%);
    border: 1px solid rgba(64, 64, 64, 0.5);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.about-photo {
    width: 220px;
    height: 220px;
    flex-shrink: 0;
    object-fit: cover;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.about-text {
    flex: 1;
}

.about-content h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
    text-align: left;
    margin-bottom: 1.25rem;
}

.about-content p:first-of-type {
    color: var(--text-light);
    font-weight: 500;
}

.resume-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--primary-color);
    color: var(--bg-darker);
    text-decoration: none;
    border-radius: 50px;
    border: none;
    font-weight: 800;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.resume-btn:hover {
    transform: translateY(-2px);
    background: var(--secondary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

#contact {
    background: linear-gradient(180deg, #0f0f0f 0%, #1a1a1a 100%);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-content h2 {
    color: var(--text-light);
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-muted);
}

.contact-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary-color);
    color: var(--bg-darker);
    text-decoration: none;
    border-radius: 50px;
    border: none;
    font-weight: 800;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.contact-btn:hover {
    transform: translateY(-3px);
    background: var(--secondary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

footer {
    background: linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
    color: var(--text-muted);
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(64, 64, 64, 0.5);
}

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

.social-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background: var(--primary-color);
        border-left: 1px solid rgba(15, 15, 15, 0.3);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1.5rem;
        transition: right 0.3s ease;
        box-shadow: -4px 0 15px rgba(0, 0, 0, 0.3);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .hero-content {
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
        letter-spacing: -1px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        text-align: center;
    }

    .about-content {
        flex-direction: column;
        align-items: center;
    }

    .about-photo {
        margin-bottom: 1.5rem;
    }

    .about-text {
        width: 100%;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

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

    h2 {
        font-size: 2rem;
    }

    .project-image {
        height: 250px;
        background: var(--bg-card);
    }

    .project-image img {
        object-fit: contain;
        object-position: center;
        image-rendering: auto;
        image-rendering: -webkit-optimize-quality;
    }
}

/* NDA Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
    border: 2px solid rgba(94, 234, 212, 0.3);
    border-radius: 16px;
    padding: 3rem 2.5rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    line-height: 1;
}

.modal-close:hover {
    background: rgba(94, 234, 212, 0.1);
    color: var(--primary-color);
    transform: rotate(90deg);
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.modal-content h3 {
    font-size: 1.8rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 800;
}

.modal-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.modal-content p a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.modal-content p a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.modal-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary-color);
    color: var(--bg-darker);
    border: none;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.modal-btn:hover {
    transform: translateY(-2px);
    background: var(--secondary-color);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
    .modal-content {
        padding: 2rem 1.5rem;
    }

    .modal-content h3 {
        font-size: 1.5rem;
    }

    .modal-icon {
        font-size: 3rem;
    }
}