/* ===========================
   CSS Reset & Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Professional Dark Theme */
    --bg-primary: #0f172a;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-primary: #3b82f6;
    --accent-secondary: #2563eb;
    --accent-hover: #1d4ed8;
    --border-color: #cbd5e1;
    --card-bg: #ffffff;
    --skill-tag-bg: #eff6ff;
    --skill-tag-hover: #dbeafe;
    --sidebar-bg: #1e293b;
    --sidebar-text: #f1f5f9;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* ===========================
   Layout Container
   =========================== */
.container {
    display: flex;
    min-height: 100vh;
    max-width: 1600px;
    margin: 0 auto;
}

/* ===========================
   Sidebar Styles
   =========================== */
.sidebar {
    width: 350px;
    background-color: var(--sidebar-bg);
    padding: var(--spacing-2xl) var(--spacing-lg);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    overflow-y: auto;
    position: sticky;
    top: 0;
    height: 100vh;
}

.profile-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.profile-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--sidebar-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.profile-title {
    font-size: 0.9rem;
    color: #94a3b8;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.profile-location {
    font-size: 0.85rem;
    color: #cbd5e1;
    margin-bottom: var(--spacing-lg);
}

.profile-location i {
    margin-right: var(--spacing-xs);
    color: var(--accent-primary);
}

.contact-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: 1.1rem;
}

.contact-link:hover {
    background-color: var(--accent-primary);
    color: #ffffff;
    transform: translateY(-2px);
}

/* ===========================
   Experience Navigation
   =========================== */
.experience-nav {
    margin-bottom: var(--spacing-xl);
}

.nav-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--sidebar-text);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.experience-item {
    margin-bottom: var(--spacing-sm);
}

.experience-toggle {
    width: 100%;
    background: none;
    border: none;
    color: #cbd5e1;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    text-align: left;
    padding: var(--spacing-sm);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.experience-toggle:hover {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--sidebar-text);
}

.company-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 4px;
    background-color: #ffffff;
    padding: 4px;
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.company-name {
    font-weight: 500;
    color: var(--sidebar-text);
}

.company-tenure {
    font-size: 0.75rem;
    color: #94a3b8;
    font-weight: 400;
}


/* ===========================
   Education Section
   =========================== */
.education-section {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.education-degree {
    font-size: 0.95rem;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: var(--spacing-xs);
}

.education-school {
    font-size: 0.85rem;
    color: #f1f5f9;
    margin-bottom: var(--spacing-xs);
}

.education-year {
    font-size: 0.8rem;
    color: #94a3b8;
}

/* ===========================
   Main Content
   =========================== */
.main-content {
    flex: 1;
    padding: var(--spacing-2xl);
    overflow-y: auto;
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

section {
    margin-bottom: var(--spacing-2xl);
}

h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--accent-primary);
}

/* ===========================
   Summary Section
   =========================== */
.summary-section p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.summary-section strong {
    color: var(--accent-primary);
    font-weight: 600;
}

/* ===========================
   Skills Section
   =========================== */
.skill-category {
    margin-bottom: var(--spacing-xl);
}

.skill-category h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.skill-category h3 i {
    color: var(--accent-primary);
    font-size: 1rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--skill-tag-bg);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
}

.skill-tag:hover {
    background-color: var(--skill-tag-hover);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* ===========================
   Achievements Section
   =========================== */
.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.achievement-card {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.achievement-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(88, 166, 255, 0.1);
}

.achievement-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    color: white;
}

.achievement-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.achievement-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===========================
   Footer
   =========================== */
.footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .main-content {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .profile-name {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.5rem;
    }

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

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

@media (max-width: 480px) {
    .profile-name {
        font-size: 1.25rem;
    }

    .profile-title {
        font-size: 0.85rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .skill-tag {
        font-size: 0.8rem;
        padding: 0.4rem 0.7rem;
    }
}

/* ===========================
   Scrollbar Styling
   =========================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.main-content section {
    animation: fadeIn 0.6s ease-out;
}

/* ===========================
   Modal Popup Styles
   =========================== */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    max-width: 800px;
    max-height: 85vh;
    width: 90%;
    overflow-y: auto;
    position: relative;
    padding: var(--spacing-2xl);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9) translateY(-20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--accent-primary);
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: var(--spacing-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.modal-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.modal-icon i {
    font-size: 1.8rem;
    color: var(--accent-primary);
}

.modal-title {
    flex: 1;
}

.modal-title h2 {
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1.8rem;
    border-bottom: none;
    padding-bottom: 0;
}

.modal-title .company-desc {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
    margin: var(--spacing-xs) 0;
}

.modal-tenure {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    width: fit-content;
}

.modal-tenure i {
    color: var(--accent-primary);
    font-size: 0.9rem;
}

.modal-tenure span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    margin-left: var(--spacing-md);
}

.modal-close:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent-primary);
    transform: rotate(90deg);
}

.modal-body {
    color: var(--text-secondary);
}

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

.modal-body li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.modal-body li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.modal-body strong {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Scrollbar styling for modal */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: var(--radius-sm);
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Modal responsive design */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 90vh;
        padding: var(--spacing-lg);
    }

    .modal-title h2 {
        font-size: 1.4rem;
    }

    .modal-close {
        width: 35px;
        height: 35px;
        font-size: 1.5rem;
    }
}