/* ============================================
   PROFESSIONAL PORTFOLIO CSS
   Modern, Clean, Job-Hunting Optimized
   ============================================ */

/* ============================================
   CSS VARIABLES & THEME
   ============================================ */
:root {
    /* Colors - Dark Professional Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #16161f;
    --bg-card-hover: #1e1e2a;
    
    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --accent-glow: rgba(99, 102, 241, 0.3);
    --accent-warm: #f59e0b;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Borders */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--accent-glow);
    
    /* Typography */
    --font-primary: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: var(--text-primary);
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Lists */
ul, ol {
    list-style: none;
}

/* ============================================
   PAGE LOADER
   ============================================ */
.page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loader-text {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
}

.navbar.hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 700;
    font-size: 24px;
    color: var(--text-primary);
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent-primary);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--accent-gradient);
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-cta i {
    font-size: 12px;
    transition: transform var(--transition-fast);
}

.nav-cta:hover i {
    transform: translateX(4px);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 100;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 30px 30px;
        gap: 8px;
        transition: right var(--transition-normal);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 15px 20px;
        font-size: 16px;
    }

    .nav-cta {
        display: none;
    }
}

/* ============================================
   MAIN CONTENT TRANSITIONS
   ============================================ */
#app {
    min-height: 100vh;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

#app.fade-out {
    opacity: 0;
    transform: translateY(10px);
}

#app.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(139, 92, 246, 0.1), transparent);
    pointer-events: none;
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}

.hero-content {
    animation: slideInLeft 0.8s ease forwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    margin-bottom: 24px;
}

.title-line,
.title-name,
.title-role {
    display: block;
}

.title-line {
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.title-name {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-role {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 600;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 8px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-description strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-highlights {
    display: grid;
    gap: 12px;
    margin: 0 0 28px;
    padding: 0;
}

.hero-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--text-secondary);
}

.hero-highlights i {
    color: var(--accent-primary);
    font-size: 14px;
    margin-top: 3px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 24px 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: slideInRight 0.8s ease 0.2s forwards;
    opacity: 0;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.profile-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.profile-image {
    position: relative;
    width: 280px;
    height: 280px;
    margin-bottom: 24px;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 3px solid var(--accent-primary);
}

.profile-glow {
    position: absolute;
    inset: -20px;
    background: var(--accent-gradient);
    opacity: 0.2;
    border-radius: var(--radius-lg);
    filter: blur(40px);
    z-index: -1;
}

.profile-social {
    display: flex;
    gap: 12px;
}

.social-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 18px;
    transition: all var(--transition-fast);
}

.social-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

/* Floating Tech Badges */
.floating-badges {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.tech-badge {
    position: absolute;
    left: var(--x, 0);
    top: var(--y, 50%);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay, 0s);
}

.tech-badge i {
    color: var(--accent-primary);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Hero Responsive */
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-description {
        max-width: 100%;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .hero-visual {
        order: -1;
    }

    .profile-image {
        width: 200px;
        height: 200px;
    }

    .floating-badges {
        display: none;
    }
}

/* ============================================
   RECRUITER SNAPSHOT
   ============================================ */
.snapshot-section {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 60% 40% at 8% 10%, rgba(99, 102, 241, 0.16), transparent 60%),
        radial-gradient(ellipse 50% 40% at 92% 0%, rgba(245, 158, 11, 0.12), transparent 55%),
        var(--bg-secondary);
}

.snapshot-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 32px;
    align-items: start;
}

.snapshot-card {
    padding: 36px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), transparent 45%), var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.snapshot-card .section-tag {
    margin-bottom: 12px;
}

.snapshot-card .section-title {
    text-align: left;
    margin-bottom: 12px;
}

.snapshot-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.snapshot-details {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}

.snapshot-detail {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.snapshot-detail:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

.detail-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
}

.snapshot-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.snapshot-metrics {
    display: grid;
    gap: 16px;
}

.metric-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 22px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.metric-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.metric-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-warm);
    font-size: 20px;
    flex-shrink: 0;
}

.metric-label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.metric-value {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
}

@media (max-width: 900px) {
    .snapshot-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .snapshot-detail {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary i {
    transition: transform var(--transition-fast);
}

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.btn-large {
    padding: 18px 36px;
    font-size: 16px;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--section-padding) 24px;
}

.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    padding: 160px 24px 80px;
    text-align: center;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(99, 102, 241, 0.1), transparent);
}

.page-header-container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.page-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.page-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.page-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   SKILLS GRID
   ============================================ */
.skills-section {
    background: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.skill-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.skill-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.skill-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.skill-icon i {
    font-size: 24px;
    color: var(--accent-primary);
}

.skill-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.skill-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   TECH GRID
   ============================================ */
.tech-section {
    background: var(--bg-primary);
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.tech-item i {
    font-size: 18px;
    color: var(--accent-primary);
}

/* ============================================
   EXPERIENCE TIMELINE
   ============================================ */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
}

.timeline-marker.current {
    box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.2);
}

.experience-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.experience-card.highlight {
    border-color: rgba(99, 102, 241, 0.35);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), transparent);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 20px;
}

.experience-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.company {
    font-size: 16px;
    color: var(--accent-primary);
    font-weight: 500;
}

.experience-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    flex-shrink: 0;
}

.experience-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.experience-meta i {
    color: var(--text-muted);
}

.experience-list {
    margin-bottom: 20px;
}

.experience-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.experience-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
}

.experience-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

@media (max-width: 600px) {
    .experience-header {
        flex-direction: column;
    }

    .experience-meta {
        align-items: flex-start;
    }
}

/* ============================================
   PROJECTS
   ============================================ */
.projects-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

.project-card {
    position: relative;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.project-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.project-card.featured {
    border-color: rgba(99, 102, 241, 0.3);
}

.project-card.featured::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    opacity: 0.1;
    z-index: -1;
}

.project-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.project-badge i {
    color: #fbbf24;
}

.project-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.project-subtitle {
    font-size: 14px;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.project-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-tech span {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.project-links {
    display: flex;
    gap: 12px;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.project-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

@media (max-width: 400px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ACHIEVEMENTS
   ============================================ */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.achievement-card {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.achievement-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.achievement-card.highlight {
    border-color: rgba(99, 102, 241, 0.3);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), transparent);
}

.achievement-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
}

.achievement-icon i {
    font-size: 24px;
    color: white;
}

.achievement-content {
    flex: 1;
}

.achievement-year {
    display: inline-block;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.achievement-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.achievement-event {
    font-size: 14px;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.achievement-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   CERTIFICATIONS
   ============================================ */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.certification-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.certification-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.certification-logo {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.certification-logo i {
    font-size: 28px;
    color: var(--accent-primary);
}

.certification-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.certification-issuer {
    font-size: 14px;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.certification-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.certification-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

.certification-meta .cert-date,
.certification-meta .cert-id {
    display: flex;
    align-items: center;
    gap: 6px;
}

.certification-meta i {
    color: var(--accent-primary);
    font-size: 12px;
}

.certification-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all var(--transition-fast);
}

.certification-link:hover {
    background: rgba(99, 102, 241, 0.2);
    gap: 12px;
    transform: translateY(-2px);
}

.certification-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.certification-badge i {
    font-size: 16px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateX(8px);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-card-icon i {
    font-size: 20px;
    color: var(--accent-primary);
}

.contact-card-content {
    flex: 1;
}

.contact-card-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-card-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-card > i {
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.contact-card:hover > i {
    color: var(--accent-primary);
    transform: translateX(4px);
}

.contact-location {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-secondary);
}

.contact-location i {
    color: var(--accent-primary);
}

/* CTA Card */
.cta-card {
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
}

.cta-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 50%;
    margin: 0 auto 24px;
}

.cta-icon i {
    font-size: 28px;
    color: white;
}

.cta-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.cta-card > p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

@media (max-width: 800px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ERROR PAGE
   ============================================ */
.error-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.error-container {
    text-align: center;
}

.error-code {
    font-size: clamp(100px, 20vw, 200px);
    font-weight: 700;
    line-height: 1;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.error-title {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.error-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 24px 24px;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 15px;
    color: var(--text-secondary);
    padding: 6px 0;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

@media (max-width: 800px) {
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        gap: 40px;
        flex-wrap: wrap;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* ============================================
   ANIMATIONS & UTILITIES
   ============================================ */
.visible {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger animations for grids */
.skills-grid .skill-card,
.projects-grid .project-card,
.achievements-grid .achievement-card,
.certifications-grid .certification-card,
.snapshot-grid .snapshot-card,
.snapshot-metrics .metric-card {
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.skills-grid .skill-card:nth-child(1) { animation-delay: 0.1s; }
.skills-grid .skill-card:nth-child(2) { animation-delay: 0.2s; }
.skills-grid .skill-card:nth-child(3) { animation-delay: 0.3s; }
.skills-grid .skill-card:nth-child(4) { animation-delay: 0.4s; }
.skills-grid .skill-card:nth-child(5) { animation-delay: 0.5s; }
.skills-grid .skill-card:nth-child(6) { animation-delay: 0.6s; }
.skills-grid .skill-card:nth-child(7) { animation-delay: 0.7s; }

.projects-grid .project-card:nth-child(1) { animation-delay: 0.1s; }
.projects-grid .project-card:nth-child(2) { animation-delay: 0.15s; }
.projects-grid .project-card:nth-child(3) { animation-delay: 0.2s; }
.projects-grid .project-card:nth-child(4) { animation-delay: 0.25s; }
.projects-grid .project-card:nth-child(5) { animation-delay: 0.3s; }
.projects-grid .project-card:nth-child(6) { animation-delay: 0.35s; }
.projects-grid .project-card:nth-child(7) { animation-delay: 0.4s; }
.projects-grid .project-card:nth-child(8) { animation-delay: 0.45s; }
.projects-grid .project-card:nth-child(9) { animation-delay: 0.5s; }

.snapshot-grid .snapshot-card { animation-delay: 0.1s; }
.snapshot-metrics .metric-card:nth-child(1) { animation-delay: 0.2s; }
.snapshot-metrics .metric-card:nth-child(2) { animation-delay: 0.3s; }
.snapshot-metrics .metric-card:nth-child(3) { animation-delay: 0.4s; }