/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all var(--transition-fast) ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Experience Grid */
.experienceGrid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 40px;
}

/* Experience Cards */
.experience-card {
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all var(--transition-speed) ease;
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--secondary-color);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    gap: 10px;
}

.experience-header h3 {
    font-size: 20px;
    margin: 0;
    color: var(--text-color);
}

.company-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
}

.date-range,
.location {
    color: var(--text-secondary);
    font-size: 13px;
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.experience-card .description {
    margin: 15px 0;
    font-size: 14px;
}

.highlights {
    display: flex;
    gap: 8px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.highlight-tag {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.view-details {
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}

.project-links {
    display: flex;
    gap: 12px;
    margin-top: auto;
    padding-top: 15px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(102, 126, 234, 0.1);
}

.tech-stack {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tech-badge {
    background: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* Experience Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
}

.experienceModalContent {
    background: var(--bg-primary);
    border-radius: 15px;
    max-width: 700px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-hover);
    animation: slideUp 0.3s ease;
    display: flex;
    flex-direction: column;
}

#experienceModalInner {
    padding: 40px;
}

.experience-meta {
    display: flex;
    gap: 20px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.meta-item i {
    color: var(--primary-color);
}

.experience-section {
    margin-bottom: 30px;
}

.experience-section h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-color);
    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
    padding-bottom: 10px;
}

.achievements-list {
    list-style: none;
    padding: 0;
}

.achievement-item {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    align-items: flex-start;
}

.achievement-item i {
    color: var(--primary-color);
    margin-top: 2px;
}

.company-name {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    position: sticky;
    top: 0;
    right: 0;
    background: var(--primary-color);
    color: white;
    border: none;
    width: auto;
    height: auto;
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    margin: 0 0 15px 0;
    margin-left: auto;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast) ease;
}

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

.modal-close i {
    font-size: 18px;
}

/* Theme Toggle & Menu */
.circle-button {
    position: fixed;
    right: 30px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-hover);
    transition: all var(--transition-fast) ease;
    z-index: 999;
}

.circle-button:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.circle-button img {
    width: 24px;
    height: 24px;
}

#theme-toggle {
    bottom: 30px;
}

.scroll-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Theme Menu */
.theme-menu {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px;
    opacity: 0;
    transform: scale(0.8) translateY(10px);
    pointer-events: none;
    transition: all var(--transition-fast) ease;
    z-index: 998;
}

.theme-menu.open {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color);
    transition: all var(--transition-fast) ease;
    font-weight: 500;
}

.theme-option:hover {
    background: var(--border-color);
    border-color: var(--primary-color);
}

.theme-option.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: transparent;
}

.theme-option img {
    width: 18px;
    height: 18px;
}

/* Project Cards */
.project-card {
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--secondary-color);
}

.project-card h3 {
    font-size: 20px;
    margin: 0 0 12px 0;
    color: var(--text-color);
}

.project-card .description {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 12px 0 15px 0;
}

.features {
    display: flex;
    gap: 8px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.view-details {
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}

.project-description {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 15px 0;
    line-height: 1.6;
}

.project-section {
    margin-bottom: 25px;
}

.project-section h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-color);
    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
    padding-bottom: 8px;
}

.features-list {
    list-style: none;
    padding: 0;
}

.feature-item {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    align-items: flex-start;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast) ease;
}

.project-link:hover {
    gap: 12px;
}

.projectsGrid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.skill-category-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 25px;
    min-height: 380px;
    max-width: 300px;
    display: flex;
    flex-direction: column;
}

.skill-category-card h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-color);
    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
    padding-bottom: 10px;
}

.skills-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.skill-item {
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 8px;
}

.skill-name {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
}

.skill-level {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 6px;
}

.skill-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}