/* ==============================
   EXPERIENCE SECTION
   (header, divider and spacing: sections.css)
============================== */

.experience-list {
    display: flex;
    flex-direction: column;
}

/* Individual card */

.experience-card {
    position: relative;
    display: grid;
    grid-template-columns: 70px minmax(0, 1fr) 220px;
    align-items: start;
    gap: 2rem;
    padding: 2.5rem 1rem;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.18);
    overflow: hidden;
    transition: background 0.3s ease;
}

.experience-card:first-child {
    border-top: 1px solid rgba(var(--primary-rgb), 0.18);
}

.experience-card:hover {
    background: rgba(var(--primary-rgb), 0.035);
}

/* Index */

.experience-index {
    align-self: start;
    position: relative;
}

.experience-index > span {
    color: var(--secondary);
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
}

.experience-decoration {
    width: 35px;
    height: 2px;
    margin-top: 1rem;
    background: var(--primary);
    transition: width 0.3s ease;
}

.experience-card:hover .experience-decoration {
    width: 55px;
}

.decoration-two {
    background: var(--secondary);
}

.decoration-three {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.decoration-four {
    background: var(--primary);
}

/* Main information */

.experience-main {
    min-width: 0;
}

.experience-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--text-subtle);
    font-family: var(--font-tech);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.experience-meta span:last-child {
    color: var(--secondary);
}

.experience-main h3 {
    margin: 0;
    color: var(--text-strong);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    transition: color 0.3s ease;
}

.experience-card:hover .experience-main h3 {
    color: var(--primary);
}

.experience-role {
    margin: 0.5rem 0 1.2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.experience-position {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.experience-position .experience-role {
    margin: 0;
    color: var(--text-soft);
}

.experience-position > span {
    color: var(--text-subtle);
    font-family: var(--font-tech);
    font-size: 0.85rem;
    font-weight: 600;
}

/* Technology tags */

.experience-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.experience-tags li {
    padding: 0.4rem 0.7rem;
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    border-radius: 3px;
    color: var(--text-muted);
    background: rgba(var(--primary-rgb), 0.035);
    font-size: 0.7rem;
    transition:
        border-color 0.25s ease,
        color 0.25s ease;
}

.experience-card:hover .experience-tags li {
    border-color: rgba(var(--primary-rgb), 0.4);
    color: var(--text-strong);
}

/* Expandable details */

.experience-details {
    border-top: 1px solid var(--hairline);
}

.experience-details summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 44px;
    padding: 1rem 0 0;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

.experience-details summary:hover .details-icon {
    background: rgba(var(--primary-rgb), 0.12);
}

.experience-details summary::-webkit-details-marker {
    display: none;
}

.details-icon {
    display: grid;
    place-items: center;
    width: 25px;
    height: 25px;
    border: 1px solid var(--primary);
    border-radius: 50%;
    font-size: 1rem;
    transition: transform 0.3s ease, background 0.3s ease;
}

.experience-details[open] .details-icon {
    transform: rotate(45deg);
    background: rgba(var(--primary-rgb), 0.12);
}

.experience-description {
    padding-top: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
    animation: experience-reveal 0.3s ease;
}

.experience-description ul {
    padding-left: 1.2rem;
    margin: 0.5rem 0 1.5rem;
}

.experience-description li {
    padding-left: 0.3rem;
    margin-bottom: 0.5rem;
}

.experience-description li::marker {
    color: var(--primary);
}

.experience-description strong {
    color: var(--text-strong);
}

/* Visible technical highlights (no interaction needed) */

.experience-highlights {
    display: grid;
    gap: 0.55rem;
    margin: 0 0 1.25rem;
    list-style: none;
}

.experience-highlights li {
    position: relative;
    padding-left: 1.35rem;
    color: var(--text);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* Diamond "node" marker; fills in on hover */
.experience-highlights li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 0.62em;
    width: 7px;
    height: 7px;
    border: 1.5px solid var(--primary);
    transform: rotate(45deg);
    transition: background-color var(--transition-fast);
}

.experience-card:hover .experience-highlights li::before {
    background: var(--primary);
}

/* Technical focus panel (replaces the old decorative symbol) */

.experience-focus {
    position: relative;
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    min-height: 145px;
    padding: 1.25rem 1.25rem 1.35rem;
    overflow: hidden;
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    background:
        radial-gradient(circle at 100% 0%, rgba(var(--primary-rgb), 0.13), transparent 60%),
        linear-gradient(135deg, rgba(var(--primary-rgb), 0.04), rgba(var(--surface-rgb), 0.8));
}

/* Faint circuit-style frame, kept from the previous visual */
.experience-focus::before {
    content: "";
    position: absolute;
    right: -38px;
    bottom: -38px;
    width: 96px;
    height: 96px;
    border: 1px solid rgba(var(--primary-rgb), 0.18);
    transform: rotate(45deg);
    transition: transform 0.5s var(--ease-out);
    pointer-events: none;
}

.experience-card:hover .experience-focus::before {
    transform: rotate(65deg) scale(1.1);
}

.experience-focus-area {
    position: relative;
    color: var(--secondary);
    font-family: var(--font-tech);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.experience-focus ul {
    position: relative;
    display: grid;
    gap: 0.45rem;
    list-style: none;
}

.experience-focus li {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--text-soft);
    font-size: 0.85rem;
    font-weight: 600;
}

.experience-focus li::before {
    content: '';
    width: 5px;
    height: 5px;
    flex-shrink: 0;
    background: var(--primary);
}

.visual-two,
.visual-four {
    background:
        radial-gradient(circle at 100% 0%, rgba(var(--secondary-rgb), 0.12), transparent 60%),
        linear-gradient(135deg, rgba(var(--secondary-rgb), 0.04), rgba(var(--surface-rgb), 0.8));
}

.visual-two li::before,
.visual-four li::before {
    background: var(--secondary);
}

/* Animation */

@keyframes experience-reveal {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

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

/* Tablet */

@media (max-width: 850px) {
    .experience-card {
        grid-template-columns: 45px minmax(0, 1fr);
        gap: 1.2rem;
    }

    .experience-focus {
        display: none;
    }
}

/* Mobile */

@media (max-width: 600px) {
    .experience-card {
        grid-template-columns: 30px minmax(0, 1fr);
        gap: 0.8rem;
        padding: 2rem 0.2rem;
    }

    .experience-index > span {
        font-size: 1rem;
    }

    .experience-decoration {
        width: 22px;
    }

    .experience-main h3 {
        font-size: 1.3rem;
    }

    .experience-meta {
        font-size: 0.78rem;
    }

    .experience-position {
        display: block;
    }

    .experience-position > span {
        display: block;
        margin-top: 0.3rem;
    }

    .experience-tags {
        gap: 0.4rem;
    }

    .experience-tags li {
        font-size: 0.7rem;
        padding: 0.35rem 0.5rem;
    }
}