/* Experience Page CSS 
   Author: Ömer Haluk Demirhan
   Description: Styles for the Experience page with circuit board timeline
*/

/* Page Header Styles */
.page-header {
    position: relative;
    padding: 8rem 0 5rem;
    overflow: hidden;
    padding-bottom: 30px;
    margin-bottom: 0;
}

.header-content {
    position: relative;
    z-index: 10;
}

.header-content h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-transform: uppercase;
}

.header-content .lead {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
    color: var(--color-text-secondary);
}

/* Circuit Board Header Elements */
.header-circuit {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.5;
    pointer-events: none;
}

.circuit-line {
    position: absolute;
    background: var(--color-neon-primary);
    box-shadow: 0 0 10px var(--color-neon-primary);
}

.circuit-line.line-1 {
    top: 30%;
    right: 10%;
    width: 40%;
    height: 2px;
    animation: circuit-line-animation 8s infinite;
}

.circuit-line.line-2 {
    bottom: 40%;
    right: 20%;
    width: 25%;
    height: 2px;
    animation: circuit-line-animation 6s infinite;
    animation-delay: 2s;
}

.circuit-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-neon-secondary);
    box-shadow: 0 0 10px var(--color-neon-secondary);
}

.circuit-dot.dot-1 {
    top: 30%;
    right: 10%;
    animation: circuit-dot-animation 8s infinite;
}

.circuit-dot.dot-2 {
    bottom: 40%;
    right: 20%;
    animation: circuit-dot-animation 6s infinite;
    animation-delay: 2s;
}

.circuit-dot.dot-3 {
    top: 45%;
    right: 45%;
    animation: circuit-dot-animation 10s infinite;
    animation-delay: 1s;
}

@keyframes circuit-line-animation {
    0% {
        opacity: 0.3;
        box-shadow: 0 0 5px var(--color-neon-primary);
    }
    50% {
        opacity: 1;
        box-shadow: 0 0 15px var(--color-neon-primary);
    }
    100% {
        opacity: 0.3;
        box-shadow: 0 0 5px var(--color-neon-primary);
    }
}

@keyframes circuit-dot-animation {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
        box-shadow: 0 0 5px var(--color-neon-secondary);
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
        box-shadow: 0 0 15px var(--color-neon-secondary);
    }
    100% {
        transform: scale(0.8);
        opacity: 0.5;
        box-shadow: 0 0 5px var(--color-neon-secondary);
    }
}

/* Timeline Section Styles */
.timeline-section {
    padding: 5rem 0;
    position: relative;
    padding-top: 20px;
    margin-top: 0;
}

.timeline-container {
    position: relative;
    padding: 2rem 0;
}

/* Timeline Circuit Background */
.timeline-circuit-bg {
    position: absolute;
    top: 0;
    left: 50%;
    height: 100%;
    width: 2px;
    transform: translateX(-50%);
    z-index: 1;
}

.circuit-path {
    position: absolute;
    background: var(--gradient-primary);
    opacity: 0.7;
}

.circuit-path.main-path {
    width: 4px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-neon-primary);
    box-shadow: 0 0 20px var(--color-neon-primary);
    animation: path-glow 3s infinite alternate;
}

.circuit-path.branch-1,
.circuit-path.branch-2,
.circuit-path.branch-3,
.circuit-path.branch-4 {
    width: 100px;
    height: 2px;
    top: 20%;
    left: 50%;
    transform: translateX(-100%);
    animation: path-pulse 4s infinite;
    animation-delay: 0.5s;
}

.circuit-path.branch-2 {
    top: 40%;
    transform: translateX(0%);
    animation-delay: 1s;
}

.circuit-path.branch-3 {
    top: 60%;
    transform: translateX(-100%);
    animation-delay: 1.5s;
}

.circuit-path.branch-4 {
    top: 80%;
    transform: translateX(0%);
    animation-delay: 2s;
}

@keyframes path-glow {
    0% {
        opacity: 0.7;
        box-shadow: 0 0 5px var(--color-neon-primary);
    }
    100% {
        opacity: 1;
        box-shadow: 0 0 20px var(--color-neon-primary);
    }
}

@keyframes path-pulse {
    0% {
        opacity: 0.3;
        width: 0;
    }
    50% {
        opacity: 1;
        width: 100px;
    }
    100% {
        opacity: 0.3;
        width: 0;
    }
}

/* Timeline Nodes */
.timeline-nodes {
    position: relative;
    z-index: 10;
}

.timeline-node {
    position: relative;
    margin-bottom: 5rem;
    z-index: 15;
}

.timeline-node:last-child {
    margin-bottom: 0;
}

.timeline-node:nth-child(odd) {
    padding-right: 50%;
}

.timeline-node:nth-child(even) {
    padding-left: 50%;
}

.node-connector {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 30px;
    width: 30px;
    z-index: 5;
}

.connector-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-neon-secondary);
    box-shadow: 0 0 15px var(--color-neon-secondary);
    z-index: 6;
    animation: connector-pulse 3s infinite;
}

.connector-line {
    position: absolute;
    top: 50%;
    left: 50%;
    height: 2px;
    width: 50px;
    background: var(--color-neon-secondary);
    box-shadow: 0 0 10px var(--color-neon-secondary);
    z-index: 5;
}

.timeline-node:nth-child(odd) .connector-line {
    transform: translateY(-50%);
    left: 0;
}

.timeline-node:nth-child(even) .connector-line {
    transform: translateY(-50%) rotate(180deg);
    right: 0;
    left: auto;
}

@keyframes connector-pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.7;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.7;
    }
}

/* Node Content Styles */
.node-content {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-dark);
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.node-content:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.timeline-node:hover .node-content {
    transform: translateY(-5px);
    box-shadow: var(--shadow-neon);
}

.node-date {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-dark);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-neon-primary);
    margin-bottom: 1rem;
    border: 1px solid var(--color-neon-primary);
}

.node-header {
    margin-bottom: 1rem;
}

.node-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.node-header h4 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.node-details p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.node-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.node-tag {
    padding: 0.3rem 0.6rem;
    background: var(--color-bg-darker);
    border-radius: var(--border-radius-pill);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.node-expand {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
    height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.5s ease-in-out;
}

.node-tech h5,
.node-achievements h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-neon-primary);
}

.node-tech ul,
.node-achievements ul {
    padding-left: 1.25rem;
}

.node-tech ul li,
.node-achievements ul li {
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.node-expand-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.node-expand-btn:hover {
    color: var(--color-neon-primary);
    border-color: var(--color-neon-primary);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.node-expand-btn i {
    transition: transform 0.3s ease;
}

.node-expand-btn.active i {
    transform: rotate(45deg);
}

.node-expand.active {
    height: auto;
    opacity: 1;
    margin-bottom: 1.5rem;
}

/* Data Year Marker */
.timeline-node:before {
    content: attr(data-year);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 1rem;
    background: var(--color-bg-darker);
    color: var(--color-neon-primary);
    border-radius: var(--border-radius-pill);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
    border: 1px solid var(--color-neon-primary);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
    z-index: 20;
}

/* Education Section Styles */
.education-section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.section-line {
    height: 4px;
    width: 100px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: var(--border-radius-pill);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.education-item {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-dark);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid var(--color-border);
}

.education-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-neon);
}

.education-year {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-neon-secondary);
}

.education-content {
    padding-top: 2rem;
}

.edu-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-darker);
    border-radius: 50%;
    margin-bottom: 1.5rem;
    color: var(--color-neon-primary);
    font-size: 1.5rem;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
    border: 1px solid var(--color-neon-primary);
}

.education-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.education-content h4 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

.education-content p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.edu-tag {
    padding: 0.3rem 0.6rem;
    background: var(--color-bg-darker);
    border-radius: var(--border-radius-pill);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* Certifications Section Styles */
.certifications-section {
    padding: 5rem 0;
    background: var(--color-bg-darker);
    position: relative;
    overflow: hidden;
}

.cert-container {
    max-width: 1000px;
    margin: 0 auto;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.cert-item {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-dark);
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
    text-align: center;
    height: 100%;
}

.cert-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-neon);
}

.cert-logo {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-darker);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    color: var(--color-neon-secondary);
    font-size: 2rem;
    box-shadow: 0 0 15px rgba(255, 13, 109, 0.2);
    border: 1px solid var(--color-neon-secondary);
}

.cert-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
    line-height: 1.4;
}

.cert-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
}

.cert-year {
    display: inline-block;
    padding: 0.2rem 0.75rem;
    background: var(--color-bg-darker);
    border-radius: var(--border-radius-pill);
    font-size: 0.8rem;
    color: var(--color-neon-secondary);
    font-weight: 500;
    border: 1px solid var(--color-neon-secondary);
}

/* CTA Section Styles */
.cta-section {
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
    background: var(--color-bg-dark);
}

.cta-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/images/circuit-pattern.svg') repeat;
    opacity: 0.05;
    z-index: 1;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 10;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Styles */
@media (max-width: 991px) {
    .header-content h1 {
        font-size: 2.5rem;
    }
    
    .timeline-node:nth-child(odd),
    .timeline-node:nth-child(even) {
        padding-right: 0;
        padding-left: 4rem;
    }
    
    .timeline-circuit-bg {
        left: 15px;
        transform: none;
    }
    
    .node-connector {
        left: 15px;
        transform: none;
    }
    
    .connector-line {
        left: 15px;
        width: 30px;
    }
    
    .timeline-node:nth-child(odd) .connector-line,
    .timeline-node:nth-child(even) .connector-line {
        transform: translateY(-50%);
        left: 15px;
    }
    
    .timeline-node:before {
        left: 15px;
        transform: none;
    }
    
    .circuit-path.main-path {
        left: 0;
        transform: none;
    }
    
    .circuit-path.branch-1,
    .circuit-path.branch-2,
    .circuit-path.branch-3,
    .circuit-path.branch-4 {
        width: 50px;
        left: 0;
        transform: none;
    }
}

@media (max-width: 767px) {
    .node-expand {
        grid-template-columns: 1fr;
    }
    
    .cert-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 575px) {
    .header-content h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline-node {
        padding-left: 3rem !important;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
}

/* Ensure first timeline node doesn't have extra spacing */
.timeline-node:first-child {
    margin-top: 0;
}