/* ===========================
   1. RESET & BASE
   =========================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-dark);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* ===========================
   2. DESIGN TOKENS
   =========================== */

:root {
    /* Colors */
    --color-bg: #FFFFFF;
    --color-surface: #F8F9FA;
    --color-surface-alt: #F1F3F5;
    --color-border: #E9ECEF;
    --color-border-light: #F1F3F5;
    --color-text: #212529;
    --color-text-secondary: #6C757D;
    --color-text-muted: #ADB5BD;
    --color-accent: #228BE6;
    --color-accent-light: #E7F5FF;
    --color-accent-dark: #1971C2;
    --color-success: #2F9E44;
    --color-success-light: #EBFBEE;
    --color-tag-bg: #F1F3F5;
    --color-tag-text: #495057;

    /* Typography */
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-thin: 100;
    --font-weight-extralight: 200;
    --font-weight-regular: 300;
    --font-weight-medium: 400;
    --font-weight-semibold: 500;
    --font-weight-bold: 600;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Layout */
    --max-width: 800px;
    --header-height: 64px;
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

/* Dark theme overrides */
[data-theme="dark"] {
    --color-bg: #131316;
    --color-surface: #1C1C21;
    --color-surface-alt: #23232A;
    --color-border: #2C2C35;
    --color-border-light: #23232A;
    --color-text: #E4E4E7;
    --color-text-secondary: #A1A1AA;
    --color-text-muted: #71717A;
    --color-accent: #60A5FA;
    --color-accent-light: #172554;
    --color-accent-dark: #93C5FD;
    --color-success: #4ADE80;
    --color-success-light: #052E16;
    --color-tag-bg: #23232A;
    --color-tag-text: #A1A1AA;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .sector-law_enforcement {
    color: #fdba74;
    background: #431407;
}

[data-theme="dark"] .sector-private {
    color: #c4b5fd;
    background: #1e1b4b;
}

/* ===========================
   3. LAYOUT
   =========================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    position: relative;
}

.logo-text {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.logo-text:hover {
    color: var(--color-text);
}

.content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-10) var(--space-6) var(--space-16);
    min-height: calc(100vh - var(--header-height) - 80px);
}

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-6) var(--space-6);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

/* ===========================
   4. NAVIGATION
   =========================== */

.main-nav {
    display: flex;
    gap: var(--space-1);
}

.tab-btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    position: relative;
    letter-spacing: 0.02em;
}

.tab-btn:hover {
    color: var(--color-text);
    background: var(--color-surface);
}

.tab-btn.active {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

/* ===========================
   5. HEADER ACTIONS (LANG + THEME)
   =========================== */

.header-actions {
    position: absolute;
    right: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.lang-toggle {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
    letter-spacing: 0.05em;
}

.lang-toggle:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.theme-icon--dark { display: none; }

[data-theme="dark"] .theme-icon--light { display: none; }
[data-theme="dark"] .theme-icon--dark { display: block; }

/* ===========================
   6. LOADING
   =========================== */

.loading {
    display: flex;
    justify-content: center;
    padding: var(--space-16) 0;
}

.loading-bar {
    width: 48px;
    height: 3px;
    background: var(--color-border);
    border-radius: var(--border-radius-full);
    overflow: hidden;
    position: relative;
}

.loading-bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 40%;
    background: var(--color-accent);
    border-radius: var(--border-radius-full);
    animation: loading 1s ease-in-out infinite;
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(220%); }
}

/* ===========================
   7. SECTION HEADINGS
   =========================== */

.section {
    margin-bottom: var(--space-12);
}

.section:last-child {
    margin-bottom: 0;
}

.section-heading {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

/* ===========================
   8. PROFILE HERO
   =========================== */

.profile-hero {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
    padding-bottom: var(--space-10);
    border-bottom: 1px solid var(--color-border);
}

.profile-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
    font-weight: var(--font-weight-extralight);
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.profile-title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
}

.profile-subtitle {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.profile-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.stat-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-full);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.stat-badge.accent {
    background: var(--color-accent-light);
    color: var(--color-accent-dark);
    border-color: transparent;
}

.stat-badge.open {
    background: var(--color-success-light);
    color: var(--color-success);
    border-color: transparent;
}

.stat-badge.closed {
    background: var(--color-surface);
    color: var(--color-text-muted);
}

.stat-badge strong {
    font-weight: var(--font-weight-semibold);
}

.download-cv-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    margin-top: var(--space-3);
    padding: 0;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-muted);
    background: none;
    border: none;
    transition: color var(--transition-fast);
    text-decoration: none;
}

.download-cv-btn:hover {
    color: var(--color-accent);
}

/* ===========================
   9. EXPERIENCE TIMELINE
   =========================== */

.timeline {
    position: relative;
}

.experience-card {
    display: flex;
    gap: var(--space-4);
    padding-bottom: var(--space-6);
    position: relative;
}

.experience-card:last-child {
    padding-bottom: 0;
}

.experience-timeline-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    width: 16px;
}

.timeline-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
    border: 2px solid var(--color-bg);
    box-shadow: 0 0 0 2px var(--color-border);
    flex-shrink: 0;
    margin-top: 6px;
}

.timeline-dot.active {
    background: var(--color-success);
    box-shadow: 0 0 0 2px var(--color-success);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 2px var(--color-success); }
    50% { box-shadow: 0 0 0 4px rgba(47, 158, 68, 0.2); }
}

.timeline-line {
    width: 2px;
    flex: 1;
    background: var(--color-border);
    margin-top: var(--space-2);
}

.experience-card:last-child .timeline-line {
    display: none;
}

.experience-logo-wrap {
    flex-shrink: 0;
}

.experience-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    object-fit: contain;
}

.experience-content {
    flex: 1;
    min-width: 0;
}

.experience-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.experience-role {
    font-size: var(--text-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.current-badge {
    display: inline-flex;
    padding: 2px var(--space-2);
    font-size: 0.65rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-success);
    background: var(--color-success-light);
    border-radius: var(--border-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sector-badge {
    display: inline-flex;
    padding: 2px var(--space-2);
    font-size: 0.65rem;
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-full);
    letter-spacing: 0.03em;
}

.sector-law_enforcement {
    color: #9c4221;
    background: #fff4e6;
}

.sector-public {
    color: var(--color-accent-dark);
    background: var(--color-accent-light);
}

.sector-private {
    color: #5c469c;
    background: #f3f0ff;
}

.experience-company {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.experience-dates {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: 2px;
}

.experience-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-3);
    line-height: 1.6;
}

.experience-highlights {
    margin-top: var(--space-2);
    padding-left: var(--space-4);
    list-style: disc;
}

.experience-highlights li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
    list-style: disc;
}

.experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-top: var(--space-3);
}

/* ===========================
   10. TAGS
   =========================== */

.tag {
    display: inline-flex;
    padding: 2px var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-regular);
    color: var(--color-tag-text);
    background: var(--color-tag-bg);
    border-radius: var(--border-radius-full);
}

/* ===========================
   11. EDUCATION
   =========================== */

.education-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.education-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border-light);
}

.education-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.education-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.education-icon-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--border-radius-sm);
}

.education-content {
    flex: 1;
}

.education-degree {
    font-size: var(--text-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.education-institution {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.education-years {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: 2px;
}

.education-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-2);
}

/* ===========================
   12. CERTIFICATES
   =========================== */

.certificates-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.certificate-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border-light);
}

.certificate-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.certificate-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.certificate-icon-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-alt);
    color: var(--color-text-secondary);
    border-radius: var(--border-radius-sm);
}

.certificate-content {
    flex: 1;
}

.certificate-name {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.cert-link {
    color: var(--color-text-muted);
    display: inline-flex;
}

.cert-link:hover {
    color: var(--color-accent);
}

.certificate-issuer {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.certificate-id,
.education-id {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ===========================
   13. SKILLS
   =========================== */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.skills-category-name {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.skill-tag {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-regular);
    color: var(--color-tag-text);
    background: var(--color-tag-bg);
    border-radius: var(--border-radius-full);
    border: 1px solid var(--color-border);
}

/* ===========================
   13b. INTERESTS
   =========================== */

.interests-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.interest-category {
    padding: var(--space-5);
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border-light);
}

.interest-category-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.interest-category-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-sm);
    background: var(--color-accent-light);
    color: var(--color-accent);
    flex-shrink: 0;
}

.interest-category-icon svg {
    width: 18px;
    height: 18px;
}

.interest-category-name {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.interest-tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-regular);
    color: var(--color-tag-text);
    background: var(--color-tag-bg);
    border-radius: var(--border-radius-full);
    border: 1px solid var(--color-border);
}

.interest-tag--preferred {
    color: var(--color-accent-dark);
    background: var(--color-accent-light);
    border-color: var(--color-accent);
    font-weight: var(--font-weight-medium);
}

/* ===========================
   13c. GALLERY
   =========================== */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.gallery-item {
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.gallery-item:hover {
    box-shadow: var(--shadow-md);
}

.gallery-image {
    width: 100%;
    display: block;
    cursor: pointer;
}

.gallery-item--wide {
    grid-column: 1 / -1;
}

.gallery-caption {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-secondary);
    text-align: center;
}

/* ===========================
   14. PROJECTS
   =========================== */

.projects-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.project-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.project-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.project-logo {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
}

.project-logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
}

.project-content {
    flex: 1;
    min-width: 0;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-2);
}

.project-name {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    white-space: nowrap;
}

.project-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-3);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

/* ===========================
   15. CONFERENCES
   =========================== */

.conferences-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.conference-card {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-6);
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.conference-card:hover {
    box-shadow: var(--shadow-md);
}

.conference-photo {
    flex-shrink: 0;
    width: 200px;
    max-height: 300px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.conference-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.conference-content {
    flex: 1;
}

.conference-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-1);
}

.conference-title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.conference-role {
    display: inline-flex;
    padding: 2px var(--space-2);
    font-size: 0.65rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-dark);
    background: var(--color-accent-light);
    border-radius: var(--border-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.conference-event {
    font-size: var(--text-sm);
    color: var(--color-accent);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-2);
}

.conference-meta {
    display: flex;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

.conference-meta span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.conference-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-3);
}

.conference-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-bottom: var(--space-3);
}

.conference-actions {
    display: flex;
    gap: var(--space-2);
}

.conf-action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    background: var(--color-accent-light);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
}

.conf-action-btn:hover {
    background: var(--color-accent);
    color: var(--color-bg);
}

/* ===========================
   16. CONTACT
   =========================== */

.contact-section {
    text-align: center;
}

.contact-section .section-heading {
    display: block;
    text-align: center;
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: var(--space-8);
}

.contact-section .section-heading::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--color-accent);
    margin: var(--space-3) auto 0;
}

.contact-email-wrap {
    margin-bottom: var(--space-10);
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-extralight);
    color: var(--color-text);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.contact-email:hover {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.contact-email-icon {
    display: flex;
    color: var(--color-accent);
}

.social-heading {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-6);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    transition: all var(--transition-base);
    width: 220px;
}

.social-link:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
    color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.social-icon {
    display: flex;
    color: var(--color-text-secondary);
}

.social-link:hover .social-icon {
    color: var(--color-accent);
}

.social-info {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.social-platform {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.social-link:hover .social-platform {
    color: var(--color-accent);
}

.social-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ===========================
   17. RESPONSIVE
   =========================== */

/* Tablet */
@media (max-width: 768px) {
    .header-inner {
        padding: 0 var(--space-4);
    }

    .content {
        padding: var(--space-8) var(--space-4) var(--space-12);
    }

    .profile-hero {
        gap: var(--space-6);
    }

    .profile-photo {
        width: 100px;
        height: 100px;
    }

    .skills-grid,
    .interests-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .conference-card {
        flex-direction: column;
    }

    .conference-photo {
        width: 100%;
        max-height: 300px;
    }
}

/* Mobile */
@media (max-width: 640px) {
    .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: var(--space-3) var(--space-4);
        gap: var(--space-2);
        position: static;
    }

    .header-actions {
        position: static;
    }

    .main-nav {
        order: -1;
        width: 100%;
        justify-content: center;
        padding-bottom: var(--space-2);
        border-bottom: 1px solid var(--color-border);
    }

    .tab-btn {
        flex: 1;
        text-align: center;
        padding: var(--space-2) var(--space-2);
    }

    .profile-hero {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }

    .profile-photo {
        width: 96px;
        height: 96px;
    }

    .profile-stats {
        justify-content: center;
    }

    .experience-timeline-col {
        display: none;
    }

    .experience-card {
        gap: var(--space-3);
    }

    .experience-logo {
        width: 40px;
        height: 40px;
    }

    .contact-email {
        font-size: var(--text-lg);
        padding: var(--space-3) var(--space-4);
    }

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .social-link {
        width: 100%;
        max-width: 280px;
    }

    .section {
        margin-bottom: var(--space-10);
    }
}

/* Small mobile */
@media (max-width: 380px) {
    .profile-name {
        font-size: var(--text-xl);
    }

    .stat-badge {
        font-size: 0.65rem;
    }

    .experience-logo {
        width: 36px;
        height: 36px;
    }
}