/* Mountain Timeline Styles */

/* Timeline Container */
.mountain-timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 60px auto;
    padding: 40px 0;
    font-family: 'Poppins', sans-serif;
}

/* Mountain Path (Background) */
.mountain-path {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--primary-light) 20%, var(--primary) 50%, var(--primary-dark) 80%, transparent);
    transform: translateX(-50%);
    z-index: 1;
    box-shadow: 0 0 8px rgba(45, 70, 185, 0.3);
}

/* Path decoration */
.mountain-path::before {
    content: "";
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-image: url('../img/mountain-peak.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    filter: hue-rotate(240deg) brightness(1.2);
}

.mountain-path::after {
    content: "";
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background-image: url('../img/flag.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    filter: hue-rotate(240deg) brightness(1.2);
    animation: flagWave 3s infinite;
}

@keyframes flagWave {
    0% {
        transform: translateX(-50%) rotate(-5deg);
    }
    50% {
        transform: translateX(-50%) rotate(5deg);
    }
    100% {
        transform: translateX(-50%) rotate(-5deg);
    }
}

/* Timeline Milestones */
.timeline-milestone {
    position: relative;
    margin-bottom: 80px;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* Year Tag */
.timeline-milestone::before {
    content: attr(data-year);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-light);
    z-index: 3;
}

/* Milestone Icon */
.milestone-icon {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    background-color: var(--white);
    border: 3px solid var(--primary);
    border-radius: 50%;
    margin: 30px 30px 0 0;
    box-shadow: var(--shadow-light);
    z-index: 2;
    transition: all var(--transition-medium);
}

.milestone-icon i {
    font-size: 1.8rem;
    color: var(--primary);
    transition: all var(--transition-medium);
}

/* Milestone Content */
.milestone-content {
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-light);
    max-width: 500px;
    margin-top: 30px;
    position: relative;
    transition: all var(--transition-medium);
    border-bottom: 3px solid transparent;
}

.milestone-content::before {
    content: "";
    position: absolute;
    top: 20px;
    left: -20px;
    border-width: 10px;
    border-style: solid;
    border-color: transparent var(--white) transparent transparent;
    transition: border-color var(--transition-medium);
}

/* Milestone heading */
.milestone-content h3 {
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-size: 1.4rem;
}

.milestone-content h4 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.milestone-content p {
    color: var(--text-medium);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.milestone-content ul {
    list-style-type: disc;
    padding-left: 20px;
    margin-bottom: 10px;
}

.milestone-content ul li {
    margin-bottom: 5px;
    color: var(--text-medium);
}

/* Certification List */
.certification-list {
    list-style-type: none !important;
    padding-left: 0 !important;
}

.certification-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
}

.certification-list li::before {
    content: "\f559"; /* Font Awesome certificate icon */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary);
}

/* Milestone Project Tags */
.milestone-content .project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.milestone-content .project-tags span {
    background-color: rgba(45, 70, 185, 0.08);
    color: var(--primary);
    padding: 5px 12px;
    border-radius: var(--border-radius-large);
    font-size: 0.75rem;
    transition: all var(--transition-medium);
}

.milestone-content .project-tags span:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* Alternating Timeline Pattern */
.timeline-milestone:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-milestone:nth-child(even) .milestone-icon {
    margin: 30px 0 0 30px;
}

.timeline-milestone:nth-child(even) .milestone-content::before {
    left: auto;
    right: -20px;
    border-color: transparent transparent transparent var(--white);
}

/* Hover Effects */
.timeline-milestone:hover .milestone-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 0 15px rgba(45, 70, 185, 0.3);
    border-color: var(--accent);
}

.timeline-milestone:hover .milestone-icon i {
    transform: scale(1.1);
    color: var(--accent);
}

.timeline-milestone:hover .milestone-content {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(45, 70, 185, 0.15);
    border-bottom-color: var(--accent);
}

/* Connect dots to path */
.timeline-milestone .milestone-icon::before {
    content: "";
    position: absolute;
    width: 30px;
    height: 3px;
    background-color: var(--primary);
    z-index: 1;
    transition: background-color var(--transition-medium);
}

.timeline-milestone:hover .milestone-icon::before {
    background-color: var(--accent);
}

.timeline-milestone:nth-child(odd) .milestone-icon::before {
    right: -30px;
}

.timeline-milestone:nth-child(even) .milestone-icon::before {
    left: -30px;
}

/* Enhanced Milestone Animations */
@keyframes pathGlow {
    0% {
        filter: drop-shadow(0 0 3px rgba(45, 70, 185, 0.2));
    }
    50% {
        filter: drop-shadow(0 0 8px rgba(45, 70, 185, 0.4));
    }
    100% {
        filter: drop-shadow(0 0 3px rgba(45, 70, 185, 0.2));
    }
}

.mountain-path {
    animation: pathGlow 5s infinite;
}

.timeline-milestone:hover .milestone-content {
    transform: translateY(-8px) translateX(5px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.milestone-icon:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, transparent 60%, rgba(45, 70, 185, 0.2) 70%, transparent 80%);
    transform: scale(1.5);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: -1;
}

.timeline-milestone:hover .milestone-icon:after {
    opacity: 1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1.5);
        opacity: 0.3;
    }
    70% {
        transform: scale(2);
        opacity: 0;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* 3D effect for the milestone content */
.milestone-content {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.timeline-milestone:hover .milestone-content {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15), 0 4px 8px rgba(45, 70, 185, 0.1);
}

/* Responsive Adjustments */
@media screen and (max-width: 768px) {
    .mountain-path {
        left: 30px;
    }
    
    .timeline-milestone {
        flex-direction: row-reverse !important;
        margin-left: 30px;
        margin-bottom: 60px;
    }
    
    .timeline-milestone::before {
        left: 30px;
        top: -10px;
    }
    
    .timeline-milestone .milestone-icon {
        margin: 30px 0 0 0 !important;
    }
    
    .timeline-milestone .milestone-content {
        max-width: calc(100% - 90px);
    }
    
    .timeline-milestone .milestone-content::before {
        left: -20px !important;
        right: auto !important;
        border-color: transparent var(--white) transparent transparent !important;
    }
    
    .timeline-milestone .milestone-icon::before {
        left: -30px !important;
        right: auto !important;
    }
}

@media screen and (max-width: 480px) {
    .milestone-content {
        padding: 20px;
    }
    
    .milestone-content h3 {
        font-size: 1.2rem;
    }
    
    .milestone-content h4 {
        font-size: 1rem;
    }
    
    .timeline-milestone {
        margin-bottom: 50px;
    }
}