/* Expandable inline keyword links within sentences */
.exp-toggle {
    cursor: pointer;
    color: var(--accent-light);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 3px;
    text-decoration-color: var(--accent-light);
    transition: color 0.2s ease;
}
.exp-toggle:hover {
    color: var(--accent-lighter);
    text-decoration-color: var(--accent-lighter);
}
.exp-toggle.active {
    text-decoration-style: solid;
}
.exp-detail-content {
    display: none;
    margin-top: 8px;
    padding: 12px 16px;
    background: var(--bg-card-solid);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.exp-detail-content ul {
    list-style: disc;
    padding-left: 20px;
    margin: 4px 0;
}
.exp-detail-content li {
    margin: 3px 0;
}
.exp-detail-content .detail-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    color: var(--accent-lighter);
    margin: 2px 2px;
}

/* Inline section navigation links */
.section-link {
    color: var(--accent-light);
    cursor: pointer;
    text-decoration: none;
    border-bottom: 1px dashed var(--accent-light);
    transition: color 0.2s ease, border-color 0.2s ease;
}
.section-link:hover {
    color: var(--accent-lighter);
    border-color: var(--accent-lighter);
}

/* Section Content & Cards */
.content-card {
    background-color: var(--bg-card);
    color: var(--text-primary);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-medium);
    background-clip: padding-box;
    border-radius: 0.75rem;
    position: relative;
    transition: all 0.4s ease;
}

.content-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 30px var(--shadow-card-hover);
    border-color: var(--border-card-hover);
}

.content-card h1, .content-card h2, .content-card h3, .content-card h4 {
    color: var(--text-heading);
}

.content-card p, .content-card li {
    color: var(--text-secondary);
}

.content-card .text-sky-400 {
    color: var(--accent-light);
}
.content-card .text-sky-400:hover {
    color: var(--accent-lighter);
}

/* Section visibility and animation */
.section {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.section.active {
    display: block;
    opacity: 1;
    animation: fadeInUp 0.8s ease forwards;
}

/* Intersection Observer Animation */
.section-visible {
    animation: slideInFromBottom 0.6s ease forwards;
}

.profile-pic {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.profile-pic:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(56, 189, 248, 0.5);
}

/* Hero top: transparent wrapper on desktop so float still works */
.hero-top {
    display: contents;
}

/* Mobile hero layout: CTA above profile image, stacked vertically */
@media (max-width: 767px) {
    .hero-top {
        display: flex;
        flex-direction: column;
    }
    .hero-top > .float-right {
        float: none;
        order: 2;
        margin: 0 auto 1.5rem;
    }
    .hero-top > .hero-cta {
        order: 1;
    }
}