:root {
    --primary-bg: rgb(15,35,34);
    --secondary-bg: rgb(25,50,48);
    --accent: #00bfa6;
    --text-primary: #f3f7f6;
    --text-secondary: #a1b7b5;
    --card-bg: rgba(255,255,255,0.05);
    --card-border: rgba(255,255,255,0.08);
    --transition-duration: 0.6s;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    scroll-behavior: smooth;
    /* Prevent any default list bullets globally */
    list-style: none;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 35, 34, 0.85);
    backdrop-filter: blur(5px);
    padding: 1rem 2rem;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header nav a {
    color: var(--text-secondary);
    margin-left: 1.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

header nav a:hover {
    color: var(--accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

#hero:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 50%, var(--primary-bg) 100%);
    z-index: -1;
    animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

#hero h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

#hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

#hero .cta {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 2px solid var(--accent);
    color: var(--accent);
    border-radius: 50px;
    text-decoration: none;
    transition: background 0.3s, color 0.3s;
    font-weight: 600;
}

#hero .cta:hover {
    background: var(--accent);
    color: var(--primary-bg);
}
.cta2 {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 2px solid var(--accent);
    background: var(--accent);
    color: var(--primary-bg);
    border-radius: 50px;
    text-decoration: none;
    transition: background 0.3s, color 0.3s;
    font-weight: 600;
}

.cta2:hover {
    border: 2px solid var(--accent);
    background: transparent;
    color: var(--accent);
}

section {
    padding: 6rem 0 4rem;
    position: relative;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

/* About Section */
#about .content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* Timeline Section */
#timeline .timeline {
    position: relative;
    margin: 0 auto;
    max-width: 900px;
}

#timeline .timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--card-border);
}

#timeline .entry {
    position: relative;
    width: 50%;
    padding: 1.5rem 2rem;
    box-sizing: border-box;
}

#timeline .entry.left {
    left: 0;
    text-align: right;
}

#timeline .entry.right {
    left: 50%;
    text-align: left;
}

#timeline .entry .card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 8px;
}

#timeline .entry .title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

#timeline .entry .subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

#timeline .entry .description {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

#timeline .entry::after {
    content: '';
    position: absolute;
    top: 1.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--primary-bg);
    box-shadow: 0 0 0 3px var(--card-border);
}

#timeline .entry.left::after {
    right: -6px;
}

#timeline .entry.right::after {
    left: -6px;
}

/* Skills Section */
#skills .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

#skills .skill {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

#skills .skill:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

#skills .skill h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--accent);
}

#skills .skill p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Passions Section */
#passions .passion-list {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

#passions .passion {
    flex: 1 1 250px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

#passions .passion:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

#passions .passion h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--accent);
}

#passions .passion p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Contact Section */
#contact .contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 8px;
}

#contact a.btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 2rem;
    border: none;
    background: var(--accent);
    color: var(--primary-bg);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

#contact a.btn:hover {
    background: #019c84;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--primary-bg);
}

/* Fade-in animations for sections */
.hidden {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--transition-duration) ease, transform var(--transition-duration) ease;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    #timeline .entry {
        width: 100%;
        padding-left: 2.5rem;
        padding-right: 1rem;
    }
    #timeline .entry.left, #timeline .entry.right {
        left: 0;
        text-align: left;
    }
    #timeline .timeline::before {
        left: 20px;
    }
    #timeline .entry::after {
        left: 14px;
    }
}

/* Publications Section */
#publications .cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}
#publications .card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    position: relative;
    transition: transform 0.4s, box-shadow 0.4s;
}
#publications .card:hover {
    transform: scale(1.05);
    box-shadow: 0 0 0 4px rgba(0, 191, 166, 0.4), 0 8px 16px rgba(0,0,0,0.4);
}
#publications .card h3 {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}
#publications .card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}
#publications .card .actions a {
    display: inline-block;
    margin: 0.25rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 4px;
    font-size: 0.8rem;
    text-decoration: none;
    transition: background 0.3s, color 0.3s;
}
#publications .card .actions a:hover {
    background: var(--accent);
    color: var(--primary-bg);
}

/* Projects Section */
#projects .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}
/* Fade-up animation for project cards */
#projects .project-card.hidden {
    opacity: 0;
    transform: translateY(40px);
}
#projects .project-card.show {
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--transition-duration) ease, transform var(--transition-duration) ease;
}
#projects .project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s;
}
#projects .project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.4);
}
#projects .project-card .image {
    height: 150px;
    background-size: cover;
    background-position: center;
    transition: transform 0.4s;
    display: flex;
    align-items: center;
    justify-content: center;
}
#projects .project-card .image i {
    font-size: 3rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}
#projects .project-card:hover .image {
    transform: scale(1.1);
}
#projects .project-card .content {
    padding: 1rem;
}
#projects .project-card h3 {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}
/* Icon inside project card */
#projects .project-card .icon {
    font-size: 2.5rem;
    margin-bottom: 0.6rem;
    text-align: center;
}
#projects .project-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}
#projects .project-card span.stack {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.08);
    border-radius: 3px;
    padding: 0.2rem 0.4rem;
    margin-right: 0.25rem;
}
#projects .project-card a.details-link {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--accent);
    text-decoration: underline;
}

/* Modal styles for project details */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}
.modal.active {
    display: flex;
}
.modal-content {
    background: var(--primary-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 1.5rem;
    position: relative;
    /* Avoid inheriting any list styles that could introduce bullets */
    list-style: none;
    /* Use flexbox to layout children vertically; this also avoids default list-item behaviors */
    display: flex;
    flex-direction: column;
}

/* Ensure no pseudo-element bullet appears before the modal content */
.modal-content::before {
    content: none !important;
}
.modal-content h3 {
    font-size: 1.3rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

/* Style for modal description block that contains multiple lines of text */
.modal-content .modal-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
    /* Ensure no list markers or bullets appear before or after this block */
    list-style: none;
}

/* Make each line within the modal text display as a separate block */
.modal-content .modal-text span {
    display: block;
    margin-bottom: 0.75rem;
}

/* Explicitly remove any pseudo-element markers for modal text */
.modal-content .modal-text::before,
.modal-content .modal-text::after,
.modal-content .modal-text::marker {
    content: none !important;
}

.modal-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    /* Prevent paragraphs from inheriting any list styles or markers */
    list-style: none;
    padding-left: 0;
    margin-left: 0;
    /* Ensure paragraphs are rendered as regular block elements, not list items */
    display: block;
}

/* Remove any markers or bullets that browsers might insert on paragraphs */
.modal-content p::before,
.modal-content p::marker,
.modal-content p::after {
    content: none !important;
}
.modal-content img {
    max-width: 100%;
    border-radius: 6px;
    margin-bottom: 1rem;
}

/* Ensure no child elements inside modal content get default list bullets */
.modal-content * {
    list-style: none;
}

/* Override default markers for any element inside the modal */
.modal-content *::marker {
    content: '' !important;
}

/* Ensure the container itself does not generate a marker */
.modal-content::marker {
    content: '' !important;
}

.modal-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    font-size: 1.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s;
    background: transparent;
    border: none;
    /* remove default button styles */
    padding: 0;
    line-height: 1;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}
.modal-close:hover {
    color: var(--accent);
}

/* Technos Section */
#technos .tech-slider {
    overflow: hidden;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}
#technos .tech-track {
    display: flex;
    animation: slide 30s linear infinite;
}
#technos .tech {
    flex: 0 0 auto;
    width: 120px;
    height: 120px;
    margin: 0 1rem;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.4s, box-shadow 0.4s;
    /* font-size and color moved to emoji/label for more control */
}
#technos .tech:hover {
    transform: scale(1.1);
    box-shadow: 0 0 10px var(--accent);
}
#technos .tech .label {
    position: absolute;
    bottom: -1.3rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity 0.3s;
    white-space: nowrap;
}
#technos .tech:hover .label {
    opacity: 1;
    color: var(--accent);
}
#technos .tech .emoji {
  font-size: clamp(0.8rem, 2.2vw, 1rem); 
  font-weight: 600; 
  line-height: 1.1;
}
@keyframes slide {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

/* Contact section enhancements */
#contact .icons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}
#contact .icons a {
    font-size: 1.8rem;
    color: var(--accent);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--accent);
    transition: box-shadow 0.3s, transform 0.3s;
}
#contact .icons a:hover {
    box-shadow: 0 0 10px var(--accent), 0 0 20px rgba(0,191,166,0.5);
    transform: translateY(-4px);
}
#contact form {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
#contact form input,
#contact form textarea {
    background: var(--secondary-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 0.7rem;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
}
#contact form button {
    margin-top: 0.5rem;
    padding: 0.8rem 2rem;
    border: none;
    background: var(--accent);
    color: var(--primary-bg);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}
#contact form button:hover {
    background: #019c84;
}