/* Single-page layout */
.container {
    max-width: 1140px;
}

.page-tabs {
    margin-bottom: 24px;
}

.page-tabs > .tab-content {
    padding: 0;
}

.page-tabs .page-section {
    box-shadow: none;
    margin-bottom: 0;
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.section-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    padding: 10px;
    gap: 6px;
    background: color-mix(in srgb, var(--card-bg) 92%, transparent);
    backdrop-filter: blur(10px);
}

.section-nav .tab-btn {
    flex: 1;
    min-width: 0;
    padding: 10px 8px;
    font-size: 0.85rem;
}

@media (min-width: 576px) {
    .section-nav .tab-btn {
        padding: 12px 10px;
        font-size: 0.88rem;
    }
}

.page-section {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: 28px 24px;
    margin-bottom: 24px;
    scroll-margin-top: 80px;
}

.section-header {
    margin-bottom: 24px;
}

.section-header h2 {
    margin: 0 0 8px;
    font-size: 1.45rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-header h2 i {
    color: var(--primary-color);
}

.section-lead {
    margin: 0;
    color: var(--text-secondary-color);
    line-height: 1.8;
}

/* Hero */
.hero {
    text-align: unset;
    border-top: none;
    background: linear-gradient(145deg, var(--card-bg) 0%, color-mix(in srgb, var(--primary-color) 6%, var(--card-bg)) 100%);
    border: 1px solid var(--border-color);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: center;
}

@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 220px 1fr;
    }
}

.hero-visual {
    text-align: center;
}

.hero-visual .profile-image {
    margin-bottom: 16px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.hero-stat {
    background: var(--light-color);
    border-radius: 12px;
    padding: 10px 6px;
    text-align: center;
}

.hero-stat strong {
    display: block;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.hero-stat span {
    font-size: 0.72rem;
    color: var(--text-secondary-color);
}

.hero-meta {
    color: var(--text-secondary-color);
    font-size: 0.95rem;
    margin: 6px 0 10px;
}

.hero-actions {
    justify-content: flex-start;
}

.hero-content .social-links {
    justify-content: flex-start;
}

/* Projects */
.project-type-badge {
    display: inline-block;
    margin-bottom: 8px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    background: rgba(58, 123, 213, 0.12);
    color: var(--primary-color);
}

/* Services */
.service-card-head {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 10px;
}

.service-card-head i {
    margin-bottom: 0;
    flex-shrink: 0;
}

.service-card-head h3 {
    margin: 0;
}

.service-audience {
    font-size: 0.85rem;
    color: var(--text-secondary-color);
    margin: 10px 0 0;
    line-height: 1.7;
}

.service-audience i {
    color: var(--primary-color);
    margin-inline-end: 4px;
}

@media (min-width: 900px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Timeline */
.timeline-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.activity-timeline {
    position: relative;
    padding-inline-start: 8px;
}

.activity-timeline::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 8px;
    bottom: 8px;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 99px;
    opacity: 0.35;
}

.activity-timeline .timeline-item {
    background: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 16px 18px;
    margin-bottom: 14px;
    margin-inline-start: 16px;
    border-inline-start: none;
}

.activity-timeline .timeline-item::before {
    inset-inline-start: -23px;
    top: 22px;
    width: 13px;
    height: 13px;
    border: 3px solid var(--card-bg);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.timeline-item-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.timeline-kind {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--primary-color);
    background: rgba(58, 123, 213, 0.1);
    padding: 3px 10px;
    border-radius: 999px;
}

.timeline-period {
    font-size: 0.82rem;
    color: var(--text-secondary-color);
    font-weight: 600;
}

.timeline-org {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.timeline-link {
    display: inline-block;
    margin-top: 8px;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

/* Profile */
.profile-intro {
    margin-bottom: 20px;
}

.profile-intro-card {
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary-color) 8%, var(--light-color)) 0%, var(--light-color) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 20px;
}

.profile-quick-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.profile-fact {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--card-bg);
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary-color);
}

.profile-fact i {
    color: var(--primary-color);
}

.profile-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.profile-stack .tag {
    font-size: 0.82rem;
    padding: 5px 12px;
}

.profile-tabs {
    background: transparent;
    box-shadow: none;
}

.profile-tabs > .tab-nav {
    padding: 0;
    margin-bottom: 16px;
    border: none;
    background: transparent;
}

.profile-tabs > .tab-content {
    padding: 0;
}

.profile-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 768px) {
    .profile-layout.two-col {
        grid-template-columns: repeat(2, 1fr);
    }
}

.profile-card {
    background: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    margin-bottom: 16px;
}

.profile-card h3 {
    margin: 0 0 14px;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-card h3 i {
    color: var(--primary-color);
}

.profile-highlight {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--border-color);
}

.profile-highlight h4 {
    margin: 0 0 8px;
    font-size: 0.95rem;
}

.education-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.education-item span {
    color: var(--text-secondary-color);
}

.profile-list {
    margin: 0;
    padding-inline-start: 18px;
    color: var(--text-secondary-color);
    line-height: 1.9;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

@media (min-width: 600px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.ltr-text {
    direction: ltr;
    unicode-bidi: embed;
    display: inline-block;
}

.contact-item-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.contact-label {
    font-size: 0.78rem;
    color: var(--text-secondary-color);
}

@media print {
    .section-nav,
    .timeline-filters,
    .project-filters,
    .theme-toggle,
    .contact-dock {
        display: none !important;
    }

    .page-section {
        box-shadow: none;
        break-inside: avoid;
    }
}