/* ==========================================
   MUHAMMAD UMAR - PORTFOLIO STYLES
   Professional Dark Theme
   ========================================== */

/* CSS Variables */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(99, 102, 241, 0.3);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b2;
    --text-muted: #6b6b80;
    
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #a78bfa;
    --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    --gradient-text: linear-gradient(135deg, #6366f1, #a78bfa, #c4b5fd);
    
    --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 30px rgba(99, 102, 241, 0.15);
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --nav-height: 70px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

input, textarea {
    outline: none;
    font-family: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

/* ==========================================
   LOADING SCREEN
   ========================================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    animation: loaderPulse 1.5s ease-in-out infinite;
}

.loader-bracket {
    color: var(--accent-primary);
}

.loader-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.loader-slash {
    color: var(--accent-secondary);
}

@keyframes loaderPulse {
    0%, 100% { opacity: 0.4; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* ==========================================
   CURSOR GLOW
   ========================================== */
.cursor-glow {
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
}

/* ==========================================
   PARTICLE CANVAS
   ========================================== */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: all var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0;
    z-index: 1001;
}

.logo-bracket {
    color: var(--accent-primary);
}

.logo-slash {
    color: var(--accent-secondary);
}

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

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-social {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.nav-social:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.mobile-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    transform: translateY(20px);
    opacity: 0;
}

.mobile-menu.active .mobile-link {
    transform: translateY(0);
    opacity: 1;
}

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

.mobile-menu.active .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-link:nth-child(6) { transition-delay: 0.35s; }
.mobile-menu.active .mobile-link:nth-child(7) { transition-delay: 0.4s; }

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2;
    padding-top: var(--nav-height);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-tertiary);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease forwards;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
}

.title-line {
    display: block;
}

.title-accent {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.letter {
    display: inline-block;
    animation: letterReveal 0.6s ease forwards;
    animation-delay: calc(var(--delay) * 0.05s);
    opacity: 0;
    transform: translateY(30px);
}

@keyframes letterReveal {
    to { opacity: 1; transform: translateY(0); }
}

.hero-typewriter {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 1.2rem;
    margin-bottom: 20px;
    min-height: 36px;
}

.typewriter-label {
    color: var(--text-secondary);
}

.typewriter-text {
    color: var(--accent-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}

.typewriter-cursor {
    color: var(--accent-primary);
    animation: blink 0.8s step-end infinite;
    font-weight: 300;
}

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

.hero-description {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.5s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-socials {
    animation: fadeInUp 0.6s ease 0.6s both;
}

.social-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

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

.social-link {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition-normal);
}

.social-link:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* Hero Visual - Profile */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease 0.3s both;
}

.profile-wrapper {
    position: relative;
    width: 380px;
    height: 380px;
}

.profile-ring {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border-radius: 50%;
    border: 2px solid rgba(99, 102, 241, 0.2);
    animation: ringRotate 20s linear infinite;
}

.profile-ring::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-primary);
}

.ring-2 {
    top: -30px;
    left: -30px;
    right: -30px;
    bottom: -30px;
    border-color: rgba(139, 92, 246, 0.1);
    animation-duration: 30s;
    animation-direction: reverse;
}

@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.profile-image-container {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(99, 102, 241, 0.3);
    position: relative;
    z-index: 2;
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.15);
}

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

.profile-image-container:hover .profile-image {
    transform: scale(1.05);
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    z-index: 3;
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
}

.floating-badge i {
    color: var(--accent-primary);
    font-size: 1rem;
}

.badge-1 {
    top: 10%;
    left: -15%;
    animation-delay: 0s;
}

.badge-2 {
    top: 5%;
    right: -10%;
    animation-delay: 1.5s;
}

.badge-3 {
    bottom: 15%;
    left: -20%;
    animation-delay: 3s;
}

.badge-4 {
    bottom: 5%;
    right: -15%;
    animation-delay: 4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Stats Bar */
.stats-bar {
    max-width: 1200px;
    margin: 40px auto 0;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==========================================
   SECTION HEADER
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-tertiary);
    margin-bottom: 16px;
    font-weight: 500;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-section {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.about-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.about-card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.4rem;
    color: var(--accent-primary);
    transition: all var(--transition-normal);
}

.about-card:hover .about-card-icon {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.1);
}

.about-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.about-card-decoration {
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.04);
    transition: all var(--transition-slow);
}

.about-card:hover .about-card-decoration {
    transform: scale(1.5);
    background: rgba(99, 102, 241, 0.08);
}

/* About Text Section */
.about-text-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.about-text-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
}

.about-text-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.about-text-content > p {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 1rem;
    line-height: 1.7;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.highlight-item i {
    color: #22c55e;
    font-size: 0.9rem;
}

/* ==========================================
   SKILLS SECTION
   ========================================== */
.skills-category {
    margin-bottom: 60px;
}

.skills-category:last-child {
    margin-bottom: 0;
}

.skills-category-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 32px;
    padding-left: 16px;
    border-left: 3px solid var(--accent-primary);
}

/* Soft Skills */
.soft-skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.soft-skill-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.soft-skill-card:hover {
    border-color: var(--border-glow);
    transform: translateX(5px);
}

.soft-skill-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-primary);
}

.soft-skill-info {
    flex: 1;
}

.soft-skill-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.soft-skill-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s ease;
}

.skill-percent {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-primary);
    min-width: 45px;
    text-align: right;
}

/* Technical Skills */
.tech-skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.tech-skill-group {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-normal);
}

.tech-skill-group:hover {
    border-color: var(--border-glow);
}

.tech-skill-group h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-tertiary);
}

.tech-skill-group h4 i {
    font-size: 1.2rem;
}

.tech-skill-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.tech-skill-item:last-child {
    margin-bottom: 0;
}

.tech-skill-item > span:first-child {
    min-width: 130px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tech-skill-item .skill-bar {
    flex: 1;
}

.tech-skill-item .skill-percent {
    font-size: 0.8rem;
}

/* Technologies Marquee */
.tech-marquee {
    overflow: hidden;
    padding: 20px 0;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
    display: flex;
    gap: 16px;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.tech-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

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

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.projects-section {
    background: var(--bg-secondary);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    background: transparent;
    transition: all var(--transition-normal);
}

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

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

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

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.project-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card.hidden {
    display: none;
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.project-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-primary);
}

.project-badge {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-tertiary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.project-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

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

.project-tags span {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

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

.project-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-primary);
    transition: all var(--transition-fast);
}

.project-link:hover {
    color: var(--accent-tertiary);
    transform: translateX(3px);
}

/* ==========================================
   EXPERIENCE / TIMELINE
   ========================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
    padding-left: 32px;
}

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

.timeline-dot {
    position: absolute;
    left: -40px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
    z-index: 1;
}

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

.timeline-content:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

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

.timeline-date {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.timeline-company {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-tertiary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.timeline-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.timeline-tags span {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ==========================================
   TESTIMONIALS
   ========================================== */
.testimonials-section {
    background: var(--bg-secondary);
}

.testimonials-slider {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-card {
    min-width: 100%;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-sizing: border-box;
}

.testimonial-stars {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-stars i {
    color: #fbbf24;
    font-size: 1.1rem;
}

.testimonial-stars span {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    margin-left: 8px;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 28px;
    font-style: italic;
    position: relative;
    padding-left: 24px;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 3rem;
    color: var(--accent-primary);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 600;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
}

.testimonial-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.testimonial-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

.testimonial-dots {
    display: flex;
    gap: 8px;
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonial-dot.active {
    background: var(--accent-primary);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px 14px 44px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-icon {
    position: absolute;
    left: 14px;
    bottom: 15px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-icon.textarea-icon {
    bottom: auto;
    top: 46px;
}

/* Contact Info Cards */
.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.contact-info-card:hover {
    border-color: var(--border-glow);
    transform: translateX(5px);
}

.info-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-primary);
}

.info-content h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.info-content p,
.info-content a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.info-content a:hover {
    color: var(--accent-primary);
}

.contact-social-section {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-top: 8px;
}

.contact-social-section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.contact-socials {
    display: flex;
    gap: 12px;
}

.contact-social-link {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.contact-social-link:hover {
    color: white;
    border-color: transparent;
    background: var(--gradient-primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    align-items: start;
    padding-bottom: 40px;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 280px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary);
    transform: translateX(5px);
}

.footer-socials {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.footer-socials a {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.footer-socials a:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ==========================================
   BACK TO TOP
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

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

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   FORM SUCCESS MESSAGE
   ========================================== */
.form-success {
    display: none;
    text-align: center;
    padding: 40px;
}

.form-success.show {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.form-success i {
    font-size: 3rem;
    color: #22c55e;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-secondary);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    .hero-container {
        gap: 40px;
    }
    
    .profile-wrapper {
        width: 300px;
        height: 300px;
    }
    
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-visual {
        order: 1;
    }
    
    .hero-description {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-socials {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .profile-wrapper {
        width: 250px;
        height: 250px;
    }
    
    .floating-badge {
        display: none;
    }
    
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .about-text-section {
        padding: 28px;
    }
    
    .soft-skills-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-socials {
        justify-content: center;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .timeline-item {
        padding-left: 20px;
    }
    
    .timeline-dot {
        left: -30px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
    
    .section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.85rem;
    }
    
    .stats-bar {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .stat-item {
        padding: 16px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .project-filters {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

/* ==========================================
   SCROLLBAR
   ========================================== */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}

/* ==========================================
   SELECTION
   ========================================== */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: white;
}