:root {
    --bg-color: #ffffff;
    --surface-color: #ffffff;
    --border-color: rgba(234, 88, 12, 0.15);
    --text-primary: #121212;
    --text-secondary: #555555;
    --accent-color: #ea580c;
    --accent-glow: rgba(234, 88, 12, 0.08);
    --accent-color-2: #c2410c;
    --gradient-text: linear-gradient(135deg, var(--accent-color), var(--accent-color-2));
    --font-main: 'Inter', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}



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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-color);
    background-image: radial-gradient(#d1d1d1 0.5px, transparent 0.5px);
    background-size: 15px 15px;
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Gradient orbs */
/* ============================================================ */
/* GLASSMORPHISM */
/* ============================================================ */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: #111111;
    border-bottom: none;
    height: 70px;
    display: flex;
    align-items: center;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: #ffffff;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 30px;
    height: 2px;
    background-color: var(--text-primary);

}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================================ */
/* SECTIONS */
/* ============================================================ */
section {
    padding: 2.5rem 0;
    min-height: auto;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    position: relative;
    display: inline-block;
}

.highlight {
    color: var(--accent-color);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    max-width: 700px;
}

#hero {
    padding: 0;
}

/* ============================================================ */
/* HERO SECTION */
/* ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    width: 100%;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-image-card {
    max-width: 450px;
    width: 100%;
    height: 550px;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2), 0 0 20px var(--accent-glow);
}



.hero-image-inner {
    width: 100%;
    height: 100%;
    border-radius: 16px;
    overflow: hidden;
}

.hero-image-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 900px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }

    .hero-image-card {
        margin: 2rem auto 0;
        height: 450px;
    }

    .social-links {
        justify-content: center;
    }
}

/* ============================================================ */
/* ABOUT / SUMMARY */
/* ============================================================ */
.summary-card p {
    font-size: 1.1rem;
    line-height: 1.8;
}

.glass-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

/* ============================================================ */
/* TIMELINE (Education & Experience) */
/* ============================================================ */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.timeline-item {
    width: 100%;
}

.timeline-dot {
    display: none;
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-desc {
    margin-top: 1rem;
    color: var(--text-secondary);
}

.task-list {
    list-style: none;
    margin-top: 1rem;
}

.task-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
}

.task-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* ============================================================ */
/* PROJECTS SECTION */
/* ============================================================ */

/* Filter Buttons */
.social-links {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 2.5rem;
}

.social-btn {
    text-decoration: none;
    transition: var(--transition);
}

.social-btn:not(.btn-primary) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    padding: 0.7rem 1.3rem;
    background: rgba(234, 88, 12, 0.06);
    color: var(--accent-color);
    border: 1px solid rgba(234, 88, 12, 0.15);
    border-radius: 12px;
    font-weight: 600;
}

.social-btn:not(.btn-primary):hover {
    background: rgba(234, 88, 12, 0.12);
    border-color: var(--accent-color);
}

.project-filters {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.filter-btn {
    padding: 0.45rem 1.1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.3px;
}

.filter-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(234, 88, 12, 0.05);
}

.filter-btn.active {
    background: rgba(234, 88, 12, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.8rem;
}

/* Project Card */
.project-card-new {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: var(--transition);
}

.project-card-new::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-text);
    opacity: 0;

}

.project-card-new:hover::before {
    opacity: 1;
}

.project-card-new:hover {

    border-color: var(--accent-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* Category Badge */
.project-category-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.25rem 0.7rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.project-category-badge.ai-systems {
    background: rgba(94, 234, 212, 0.12);
    color: var(--cat-ai);
    border: 1px solid rgba(94, 234, 212, 0.3);
}

.project-category-badge.machine-learning {
    background: rgba(167, 139, 250, 0.12);
    color: var(--cat-ml);
    border: 1px solid rgba(167, 139, 250, 0.3);
}

.project-category-badge.research {
    background: rgba(245, 158, 11, 0.12);
    color: var(--cat-research);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.project-category-badge.data-science {
    background: rgba(59, 130, 246, 0.12);
    color: var(--cat-ds);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Card Header */
.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.8rem;
}

.project-icon {
    font-size: 2rem;
    line-height: 1;
}

.project-card-actions {
    display: flex;
    gap: 0.5rem;
}

.project-action.glass-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.1rem 2rem;
    background: rgba(234, 88, 12, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    /* Adjusted for light background */
    border-radius: 30px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
}

.project-action.glass-btn:hover {
    background: rgba(234, 88, 12, 0.12);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.project-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(234, 88, 12, 0.06);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
}

.project-action-btn:hover {
    background: rgba(234, 88, 12, 0.12);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Card Content */
.project-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
    line-height: 1.3;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1rem;
    flex-grow: 1;
}

/* Tech Stack Badges */
.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.tech-badge {
    font-size: 0.72rem;
    padding: 0.25rem 0.65rem;
    background: rgba(234, 88, 12, 0.08);
    color: var(--accent-color);
    border: 1px solid rgba(234, 88, 12, 0.2);
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    margin-top: 0.2rem;
}

/* Hover Details Panel */
.project-hover-details {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-bottom: 1rem;
    display: block;
}



.project-hover-details h4 {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.project-hover-details ul {
    list-style: none;
}

.project-hover-details ul li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.2rem 0;
}

.project-hover-details ul li strong {
    color: var(--accent-color);
}

/* Card Footer Buttons */
.project-card-footer {
    display: flex;
    gap: 0.6rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.project-btn {
    flex: 1;
    padding: 0.55rem 0.75rem;
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    cursor: pointer;

    border: 1px solid transparent;
    letter-spacing: 0.2px;
}

.btn-github {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-github:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-details {
    background: rgba(249, 115, 22, 0.08);
    /* orange */
    border-color: rgba(249, 115, 22, 0.25);
    color: var(--accent-color);
}

.btn-details:hover {
    background: rgba(249, 115, 22, 0.15);
    box-shadow: 0 0 12px var(--accent-glow);
}

/* Hidden card */
.project-card-new.hidden {
    display: none;
}

/* No projects message */
.no-projects-msg {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-size: 1rem;
}


/* ============================================================ */
/* SKILLS SECTION */
/* ============================================================ */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.8rem;
}

.skill-group {
    padding: 2rem;
    border-radius: 20px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.skill-group:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.skill-group-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.tech-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tech-tag {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    background: rgba(249, 115, 22, 0.08);
    /* orange theme */
    color: var(--accent-color);
    border: 1px solid rgba(249, 115, 22, 0.2);
    border-radius: 20px;
    font-weight: 600;

}

.tech-tag:hover {
    background: rgba(249, 115, 22, 0.15);

}



/* ============================================================ */
/* CERTIFICATIONS */
/* ============================================================ */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.cert-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    text-decoration: none;
    padding: 1.5rem;
    border-radius: 20px;
    transition: var(--transition);
}

.cert-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    /* Very slight shadow, no lift */
}

.cert-icon-wrap {
    font-size: 2.2rem;
    flex-shrink: 0;
}

.cert-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.cert-info strong {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 700;
}

.cert-info span {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.cert-link-label {
    font-size: 0.78rem !important;
    color: var(--accent-color) !important;
    font-weight: 600;
    margin-top: 0.3rem;

}

.cert-card:hover .cert-link-label {
    letter-spacing: 0.5px;
}

/* ============================================================ */
/* FOOTER */
/* ============================================================ */
.glass-footer {
    padding: 5rem 2rem 3rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    background: #111111;
}

.footer-name {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    color: #ffffff;
}

.glass-footer p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

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

.glass-footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.glass-footer a:hover {
    color: var(--accent-color);
}

/* ============================================================ */
/* RESPONSIVE */
/* ============================================================ */
@media (max-width: 1024px) {
    .hero-bg-overlay {
        width: 50%;
    }
}

@media (max-width: 768px) {
    .hero-bg-overlay {
        width: 100%;
        opacity: 0.15;
    }

    .hero-bg-img {
        mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 100%);
        -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 100%);
    }

    .nav-links {
        display: none;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #111111;
        padding: 2rem;
        gap: 1.5rem;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active a {
        margin: 0;
        font-size: 1.2rem;
    }

    .mobile-menu-btn {
        display: flex;
    }

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

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

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

    .skills-container {
        grid-template-columns: 1fr;
    }

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

    .project-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    main {
        padding: 0 1.2rem;
    }

    .hero-content {
        padding-top: 80px;
    }

    .project-card-footer {
        flex-direction: column;
    }
}











.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.edu-logo-wrapper {
    background: white;
    padding: 8px;
    border-radius: 8px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.edu-logo {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}



/* ============================================================ */
/* MODAL STYLES */
/* ============================================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;

}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content-box {
    width: 95%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 3rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-radius: 24px;
}

.modal-side-layout {
    display: flex;
    gap: 2.5rem;
    margin-top: 1.5rem;
}

.modal-description {
    flex: 1;
}

.modal-media {
    flex: 1.2;
    background: #f8f8f8;
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-media img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@media (max-width: 850px) {
    .modal-side-layout {
        flex-direction: column;
    }

    .modal-content-box {
        padding: 2rem;
    }
}

.modal-overlay.active .modal-content-box {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.8rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: var(--accent-color);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.1rem 2.4rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-2));
    border: none;
    border-radius: 30px;
    color: #ffffff;
    text-decoration: none;
    font-weight: 800;
    font-size: 0.95rem;
    cursor: pointer;
    letter-spacing: 0.3px;
    transition: background 0.2s ease, opacity 0.2s ease;
}

.tech-badge-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.72rem;
    padding: 0.5rem 1rem;
    background: rgba(234, 88, 12, 0.08);
    color: var(--accent-color);
    border: 1px solid rgba(234, 88, 12, 0.2);
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease, opacity 0.2s ease;
}

.tech-badge-btn:hover {
    background: rgba(234, 88, 12, 0.15);
    opacity: 0.9;
}