:root {
    /* Light theme colours */
    --colour-bg: #E3FDFD;
    --colour-text: #333333;
    --colour-accent: #8e0d47; 
    --colour-secondary: #CBF1F5; 
    --colour-card: #A6E3E9; 
    --colour-border: #A6E3E9; 
    --colour-link: #050606;
    --colour-button-text: #ffffff;
    --colour-button-bg: #084092;
    --colour-button-hover: #8318e0;
    --color-footer: #A6E3E9;
    --color-contact:#A6E3E9;
    --colour-button-social:#410506;
}

/* Dark theme */
[data-theme="dark"] {
    --colour-bg: #261C2C;
    --colour-text: #e8edf3;
    --colour-accent: #ff5887;
    --colour-secondary: #3E2C41;
    --colour-card: #3c1d42;
    --colour-border: #3b2140;
    --colour-link: #e8edf3;
    --colour-button-bg: #550505;
    --colour-button-hover: #7a8403;
    --color-footer: #1b0e25;
    --color-contact:#76677f;
    --colour-button-social:#c5bc08;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--colour-bg);
    color: var(--colour-text);
    line-height: 1.6;
}

a {
    color: var(--colour-link);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}



.header {
    position: sticky;
    top: 0;
    width: 100%;
    background-color: var(--colour-bg);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
    z-index: 100;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo-name {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--colour-accent);
    font-family: 'Agustina', sans-serif;
    font-variant-ligatures: no-common-ligatures;
    -webkit-font-variant-ligatures: no-common-ligatures;
    font-weight: 700;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--colour-accent);
}

.nav-links a.active {
    color: var(--colour-accent);
    font-weight: 600;
    border-bottom: 2px solid var(--colour-accent);
    padding-bottom: 0.2rem;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--colour-text);
    transition: transform 0.2s ease;
}

.theme-toggle:hover {
    transform: rotate(20deg);
}



.hero {
    padding: 4rem 0;
    background-color: var(--colour-secondary);
    text-align: center;
}

.hero-title {
    margin: 0;
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
}

.highlight {
    color: var(--colour-accent);
    font-family: 'Papyrus', sans-serif;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-top: 0.5rem;
    color: var(--colour-accent);
    font-weight: 500;
}

.hero-description {
    max-width: 700px;
    margin: 1.5rem auto 2rem;
    font-size: 1rem;
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    
}

.social-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--colour-card);
    color: var(--colour-accent);
    /* fill: red; */
    border: 1px solid var(--colour-border);
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.social-button:hover {
    background-color: var(--colour-accent);
    color: var(--colour-button-text);
    transform: translateY(-3px);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    color: var(--colour-button-text);
    background-color: var(--colour-button-bg);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn:hover {
    background-color: var(--colour-button-hover);
    transform: translateY(-2px);
}

.cv-btn {
    color: var(--colour-button-text);
    background-color: var(--colour-accent);
}



.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 700;
    color: var(--colour-accent);
}



.skills {
    padding: 4rem 0;
    background-color: var(--colour-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.skill-group h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    color: var(--colour-text);
}

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

.tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background-color: var(--colour-secondary);
    border: 1px solid var(--colour-border);
    border-radius: 3px;
    font-size: 0.85rem;
    color: var(--colour-text);
    transition: background-color 0.3s ease;
}

.tag:hover {
    background-color: var(--colour-accent);
    color: var(--colour-button-text);
}

.proficient-list {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
    background-color: var(--colour-secondary);
    border-radius: 6px;
    border: 1px solid var(--colour-border);
}

.proficient-list h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    color: var(--colour-text);
}

.proficient-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.proficient-list li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.proficient-list .icon {
    display: inline-block;
    margin-right: 0.5rem;
    font-size: 1.1rem;
    color: var(--colour-accent);
}





.experience {
    padding: 4rem 0;
    background-color: var(--colour-secondary);
}

.timeline {
    position: relative;
    margin: 2rem 0;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--colour-border);
}

.experience-item {
    position: relative;
    padding-left: 50px;
    margin-bottom: 2rem;
}

.timeline-marker {
    position: absolute;
    left: 7px;
    top: 0.4rem;
    width: 16px;
    height: 16px;
    background-color: var(--colour-accent);
    border-radius: 50%;
    border: 2px solid var(--colour-secondary);
}

.timeline-content h3 {
    margin-top: 0;
    margin-bottom: 0.3rem;
    font-size: 1.25rem;
    color: var(--colour-accent);
}

.timeline-content .period {
    font-size: 0.85rem;
    color: var(--colour-text);
    opacity: 0.8;
}

.timeline-content p {
    margin-top: 0.5rem;
    font-size: 0.95rem;
    color: var(--colour-text);
}


.projects {
    padding: 4rem 0;
    background-color: var(--colour-bg);
}

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

.project-card {
    background-color: var(--colour-secondary);
    border: 1px solid var(--colour-border);
    border-radius: 6px;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.project-card h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
    color: var(--colour-accent);
}

.project-card p {
    margin: 0 0 1rem;
    font-size: 0.95rem;
    color: var(--colour-text);
}

/* Added styling for project images */
.project-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 1rem;
}

/* Achievements section styles */
.achievements {
    padding: 4rem 0;
    background-color: var(--colour-secondary);
}

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

.achievement-card {
    background-color: var(--colour-bg);
    border: 1px solid var(--colour-border);
    border-radius: 6px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.achievement-icon {
    font-size: 2rem;
    color: var(--colour-accent);
    margin-bottom: 0.5rem;
}

.achievement-card h3 {
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    color: var(--colour-accent);
}

.achievement-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--colour-text);
}



.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--colour-text);
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav {
        position: relative;
    }
    .nav-links {
        position: absolute;
        top: 100%;
        right: 0;
        display: none;
        flex-direction: column;
        background-color: var(--colour-bg);
        border: 1px solid var(--colour-border);
        border-radius: 4px;
        padding: 1rem;
        gap: 1rem;
        z-index: 200;
        width: 200px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links a {
        margin: 0;
    }
}

.project-link {
    display: inline-block;
    color: var(--colour-button-text);
    background-color: var(--colour-button-bg);
    padding: 0.5rem 1rem;
    margin-bottom: 0.2rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.project-link:hover {
    background-color: var(--colour-button-hover);
}


.contact {
    padding: 4rem 0;
    background-color: var(--color-footer);
    text-align: center;
}

.contact-intro {
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1rem;
}

.contact-info p {
    margin: 0.25rem 0;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    font-size: 0.95rem;
    font-weight:500;
    color: var(--colour-button-social);
    border-bottom: 1px solid transparent;
    transition: border-bottom 0.2s ease;
}

.social-links a:hover {
    border-bottom: 1px solid var(--colour-button-social);
}

.footer {
    margin-top: 2rem;
    font-size: 0.85rem;
    opacity: 0.8;
    background-color: var(--color-footer);
}


.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}