/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #c5f82a;
    --primary-hover: #d4ff4d;
    --bg-dark: #0a0a0a;
    --bg-dark-alt: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --border-color: #222222;
    --border-light: #333333;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== HEADER & NAVIGATION ==================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

#header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo a {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 3px;
}

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

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

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

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 3rem;
    padding-top: 80px;
}

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

.hero-content {
    padding-right: 2rem;
}

.hero-title {
    font-size: 5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 400px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    padding: 0.9rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(197, 248, 42, 0.3);
}

.btn-primary::after {
    content: '→';
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.btn-primary:hover::after {
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 1.2rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: transparent;
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.social-link i {
    font-size: 1.1rem;
}

.hero-image {
    position: relative;
    animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    display: block;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ==================== ABOUT SECTION ==================== */
.about {
    padding: 8rem 3rem;
    background-color: var(--bg-dark-alt);
}

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

.about-content {
    max-width: 900px;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}

.about-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.skills {
    margin-top: 3rem;
}

.skills-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem;
    background-color: var(--bg-dark);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(197, 248, 42, 0.1);
}

.skill-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.skill-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* ==================== FEATURED PROJECTS ==================== */
.featured-projects {
    padding: 8rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

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

.section-description {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 500px;
    margin-top: 1rem;
}

.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.project-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.project-image-container {
    background-color: var(--bg-dark-alt);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    transition: transform 0.3s ease;
}

.project-image-container:hover {
    transform: translateY(-10px);
}

.project-tag {
    background-color: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.project-image {
    width: 100%;
    border-radius: 12px;
    display: block;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.project-content {
    padding: 2rem 0;
}

.project-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.project-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.project-info-section {
    margin-bottom: 2.5rem;
}

.info-title {
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.info-label {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.info-value {
    color: var(--text-primary);
    font-size: 0.95rem;
}

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

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.2rem;
}

.project-link:hover {
    color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateX(5px);
}

.project-link::after {
    content: '↗';
    font-size: 1.2rem;
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    padding: 8rem 3rem;
    background-color: var(--bg-dark-alt);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.contact-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 1rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
}

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

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

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(197, 248, 42, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.3rem;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.contact-item p,
.contact-item a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--primary-color);
}


.btn-submit {
    padding: 1rem 2rem;
    font-size: 1rem;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background-color: #c5f82a; /* highlight color */
    color: #000;
}

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--bg-dark);
    padding: 2rem 3rem;
    border-top: 1px solid var(--border-color);
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-social a {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: transparent;
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

/* ==================== SCROLL TO TOP BUTTON ==================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--bg-dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(197, 248, 42, 0.4);
}

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

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

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }

    .section-title {
        font-size: 3rem;
    }

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

    .hero-container,
    .project-item {
        gap: 3rem;
    }
}

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

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background-color: var(--bg-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transition: right 0.3s ease;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
    }

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

    .hero {
        padding: 0 2rem;
        padding-top: 100px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-content {
        padding-right: 0;
    }

    .hero-title {
        font-size: 3rem;
    }

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

    .about,
    .featured-projects,
    .contact {
        padding: 5rem 2rem;
    }

    .project-item {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .project-title {
        font-size: 1.75rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 1rem 1.5rem;
    }

    .hero {
        padding: 0 1.5rem;
        padding-top: 90px;
    }

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

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .btn-primary {
        padding: 0.8rem 1.5rem;
        font-size: 0.85rem;
    }

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

    .project-title {
        font-size: 1.5rem;
    }

    .about,
    .featured-projects,
    .contact {
        padding: 4rem 1.5rem;
    }

    .project-image-container {
        padding: 1.5rem;
    }

    .project-links {
        gap: 1.5rem;
    }

    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}