/* Root variables */
:root {
    --primary-green: #076363;
    --light-green: #3ec7b0;
    --earth-brown: #b80404;
    --water-blue: #4682b4;
    --deep-navy: #0a192f;
    --tech-gray: #2c3e50;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light-gray);
    color: var(--tech-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header & Navigation */
header {
    background-color: rgba(247, 247, 247, 0.89);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-green);
    text-decoration: none;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--water-blue);
    transition: var(--transition);
}

.logo:hover::after {
    width: 100%;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--tech-gray);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-green);
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(70, 130, 180, 0.1) 0%, rgba(46, 139, 87, 0.1) 100%);
    position: relative;
    overflow: hidden;
    padding: 0 5%;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M0,0 L100,0 L100,100 L0,100 Z" fill="none" stroke="%232e8b57" stroke-width="0.5" opacity="0.1"/></svg>');
    background-size: 50px 50px;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 2;
    padding: 2rem;
}

.hero h1 {
    font-size: 3.3rem;
    margin-bottom: 1rem;
    color: var(--deep-navy);
    position: relative;
}

.hero h1 span {
    color: var(--primary-green);
}

.tagline-container {
    margin: 2.2rem 0;
    min-height: 3.2rem;
}

.tagline {
    font-size: 1.2rem;
    font-weight: 450;
    color: var(--earth-brown);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

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

.tagline-2 {
    animation-delay: 2s;
}

.tagline-3 {
    animation-delay: 4s;
}

.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, #b80404, transparent);
  margin: 8px 0;
  opacity: 0;
  animation: fadeInDivider 0.8s ease forwards;
}

@keyframes fadeInDivider {
  to {
    opacity: 2;
  }
}


.btn {
    display: inline-block;
    background-color: var(--primary-green);
    color: var(--white);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    margin: 1rem 0.5rem;
    transition: var(--transition);
    border: 2px solid var(--primary-green);
}

.btn:hover {
    background-color: transparent;
    color: var(--primary-green);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(46, 139, 87, 0.2);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-green);
}

.btn-outline:hover {
    background-color: var(--primary-green);
    color: var(--white);
}

/* Section Styling */
section {
    padding: 6rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--deep-navy);
    display: inline-block;
    padding-bottom: 1rem;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--water-blue));
    border-radius: 2px;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--earth-brown);
    position: relative;
    padding-bottom: 0.5rem;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--light-green);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-badge {
    background-color: var(--light-gray);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: default;
}

.skill-badge:hover {
    background-color: var(--primary-green);
    color: var(--white);
    transform: scale(1.05);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.project-img {
    height: 200px;
    background-color: var(--light-green);
    background-size: cover;
    background-position: center;
    position: relative;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(46, 139, 87, 0.8) 0%, rgba(70, 130, 180, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--deep-navy);
}

.project-content p {
    color: var(--tech-gray);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

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

.project-tag {
    background-color: var(--light-gray);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--earth-brown);
}

/* Modal for Project Details */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.modal-content {
    background-color: var(--white);
    border-radius: 15px;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 2rem;
    animation: modalFadeIn 0.5s;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--tech-gray);
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--primary-green);
    transform: rotate(90deg);
}

.modal-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light-green);
}

.modal-header h2 {
    color: var(--deep-navy);
    font-size: 2rem;
}

.modal-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    margin: 1.5rem 0;
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.modal-tag {
    background-color: var(--primary-green);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* CV Section */
.cv-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.cv-download {
    text-align: center;
    padding: 3rem 2rem;
    background-color: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.cv-download:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.cv-download h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--deep-navy);
}

.cv-download p {
    margin-bottom: 2rem;
    color: var(--tech-gray);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: var(--light-green);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 3px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: var(--primary-green);
    border: 4px solid var(--white);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.left {
    left: 0;
}

.right {
    left: 50%;
}

.right::after {
    left: -8px;
}

.timeline-content {
    padding: 20px 30px;
    background-color: var(--white);
    position: relative;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.timeline-content h3 {
    color: var(--deep-navy);
    margin-bottom: 0.5rem;
}

.timeline-content .date {
    color: var(--earth-brown);
    font-weight: 600;
    margin-bottom: 1rem;
    display: block;
}

.timeline-content .location {
    color: var(--earth-brown);
    font-weight: 600;
    margin-bottom: 1rem;
    display: block;
}

.timeline-content p {
    color: var(--tech-gray);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.contact-info {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--deep-navy);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin: 2rem 0;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--light-gray);
    color: var(--tech-gray);
    font-size: 1.5rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--primary-green);
    color: var(--white);
    transform: translateY(-5px);
}

.contact-form {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

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

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

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.1);
}

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

/* Footer */
footer {
    background-color: var(--deep-navy);
    color: var(--white);
    padding: 3rem 5%;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--light-green);
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 2rem;
    margin: 2rem 0;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--light-green);
}

.copyright {
    margin-top: 2rem;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item::after {
        left: 18px;
    }
    
    .right {
        left: 0;
    }
}

@media (max-width: 768px) {
    header {
        background-color: rgba(247, 247, 247, 0.95);
        height: 60px;
        display: flex;
        align-items: center;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        background-color: rgba(247, 247, 247, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        transition: 0.3s ease;
    }

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

    .nav-links a {
        color: var(--deep-navy);
        padding: 0.8rem 1.5rem;
        width: 100%;
        text-align: center;
        border-radius: 8px;
    }

    .nav-links a:hover {
        background-color: rgba(7, 99, 99, 0.1);
    }

    .hamburger {
        display: block;
        margin-right: 1rem;
        color: var(--deep-navy);
    }

    /* Adjust hero section to prevent overlap */
    .hero {
        padding-top: 80px;
        margin-top: 30px;
    }

    /* Add spacing between nav items */
    .nav-links li {
        width: 100%;
        margin: 0.3rem 0;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn {
        display: block;
        margin: 1rem auto;
        width: 80%;
        max-width: 300px;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
a:focus, button:focus, .form-control:focus {
    outline: 3px solid var(--water-blue);
    outline-offset: 2px;
}

.project-overlay .btn {
    background-color: var(--white);
    color: var(--primary-green);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.project-card:hover .project-overlay .btn {
    opacity: 1;
    transform: translateY(0);
}

.project-overlay .btn:hover {
    background-color: var(--primary-green);
    color: var(--white);
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.modules-grid {
    margin: 1rem 0;
}

.modules-grid ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
    list-style: none;
    padding: 0;
}

.modules-grid li {
    background-color: var(--light-gray);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.modules-grid li:hover {
    background-color: var(--primary-green);
    color: var(--white);
    transform: translateX(5px);
}

.hidden {
    display: none !important;
}

@media (max-width: 500px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        margin: 0 auto;
        width: 100%;
    }
}