/* ==========================================================================
   Modern Developer Portfolio - Glassmorphism CSS Design System
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
    /* Color Palette */
    --bg-dark: #07090e;
    --bg-card: rgba(15, 23, 42, 0.65);
    --bg-card-hover: rgba(30, 41, 59, 0.75);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(99, 102, 241, 0.4);
    
    /* Neon Accents & Gradients */
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.35);
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    
    /* Typography */
    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Layout & Spacing */
    --nav-height: 80px;
    --container-max: 1200px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base & Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    color-scheme: dark;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* --- Background Particle Canvas --- */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* --- Typography Helpers --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.25;
    font-weight: 700;
}

.gradient-text {
    background: linear-gradient(135deg, #a855f7 0%, #6366f1 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight {
    color: var(--primary);
}

/* --- Glassmorphism Reusable Card --- */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-glass-hover);
    box-shadow: 0 15px 35px -10px rgba(99, 102, 241, 0.2);
}

/* --- Navigation Bar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 100;
    transition: background-color var(--transition-normal), border-bottom var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(7, 9, 14, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--accent-cyan);
    font-family: var(--font-mono);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
    transition: width var(--transition-fast);
    border-radius: var(--radius-full);
}

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

.nav-link.active::after, .nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--accent-emerald);
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-emerald);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-emerald);
    animation: pulse 2s infinite;
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.5rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.6rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: #ffffff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    border: 1px dashed var(--border-glass);
    color: var(--text-secondary);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-block {
    width: 100%;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent-cyan);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: color var(--transition-fast), gap var(--transition-fast);
}

.btn-link:hover {
    color: var(--primary);
    gap: 0.6rem;
}

/* --- Hero Section --- */
.hero-section {
    min-height: 100vh;
    padding-top: calc(var(--nav-height) + 3rem);
    padding-bottom: 4rem;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.2rem;
    letter-spacing: -0.02em;
    margin-bottom: 1.2rem;
    line-height: 1.15;
}

.typing-container {
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 2.2rem;
}

.cursor {
    display: inline-block;
    background-color: var(--accent-cyan);
    margin-left: 2px;
    width: 3px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-bio {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-metrics {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-glass);
}

.metric-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.metric-divider {
    width: 1px;
    height: 35px;
    background-color: var(--border-glass);
}

/* Hero Avatar Card */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.avatar-card-glass {
    position: relative;
    width: 340px;
    height: 420px;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.avatar-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(40px);
    z-index: -1;
}

.avatar-wrapper {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.avatar-card-glass:hover .avatar-img {
    transform: scale(1.05);
}

/* Floating Tech Tags */
.floating-tag {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    animation: float 4s ease-in-out infinite;
}

.tag-1 { top: -20px; right: -20px; animation-delay: 0s; }
.tag-2 { bottom: 40px; left: -30px; animation-delay: 1.5s; }
.tag-3 { bottom: -20px; right: 20px; animation-delay: 3s; }

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

/* --- Section Common Layout --- */
.section {
    padding: 6rem 0;
}

.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-subtitle {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    letter-spacing: 0.1em;
    font-weight: 600;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.4rem;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.section-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
    margin: 1.2rem auto 0 auto;
    border-radius: var(--radius-full);
}

/* --- About Grid --- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    padding: 2.5rem 2rem;
}

.card-icon-box {
    width: 55px;
    height: 55px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* --- Skills Matrix --- */
.tab-controls {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.6rem 1.4rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover, .tab-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    padding: 1.5rem;
}

.skill-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.skill-info {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.skill-icon {
    color: var(--accent-cyan);
    width: 20px;
    height: 20px;
}

.skill-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.skill-pct {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

.skill-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.skill-tags span {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

/* --- Projects Section --- */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.2rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
    color: var(--text-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-thumb {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-img {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 9, 14, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.badge {
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-purple { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); }
.badge-emerald { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.badge-cyan { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }

.project-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 0.6rem;
}

.project-summary {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.2rem;
}

.project-tags span {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.project-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border-glass);
}

/* --- Timeline Section --- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--accent-cyan) 100%);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 2.5rem;
}

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 25px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}

.timeline-content {
    padding: 2rem;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.role-title {
    font-size: 1.2rem;
}

.company-name {
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 0.95rem;
    display: block;
}

.time-period {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

.role-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.role-highlights {
    list-style: none;
    padding-left: 0;
}

.role-highlights li {
    position: relative;
    padding-left: 1.2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.role-highlights li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.5rem;
}

.info-icon {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-md);
    background: rgba(6, 182, 212, 0.12);
    border: 1px solid rgba(6, 182, 212, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
}

.info-card h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

.info-val {
    font-size: 0.95rem;
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-btn {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    transform: translateY(-3px);
}

.contact-form-container {
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* --- Modal Overlay & Container --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(7, 9, 14, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--text-secondary);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.modal-hero-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
}

.modal-section-h4 {
    font-size: 1.1rem;
    margin: 1.5rem 0 0.6rem 0;
    color: var(--accent-cyan);
}

.modal-metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.2rem 0;
}

.modal-metric-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
}

.modal-metric-val {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

.modal-metric-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- Toast Notification --- */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.5rem;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid var(--accent-emerald);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transform: translateY(100px);
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    color: var(--accent-emerald);
}

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--border-glass);
    padding: 2.5rem 0;
    text-align: center;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;

    color: var(--text-muted);
    font-size: 0.9rem;
}

.back-to-top {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.back-to-top:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
}

/* --- Responsive Styles --- */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-bio {
        margin: 0 auto 2rem auto;
    }

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

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

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        right: -100%;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background: rgba(7, 9, 14, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        transition: right var(--transition-normal);
    }

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

    .mobile-toggle {
        display: block;
    }

    .hero-title {
        font-size: 2.4rem;
    }

    .typing-container {
        font-size: 1.6rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-metrics-grid {
        grid-template-columns: 1fr;
    }
}