/* Modern Color Scheme */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --accent-secondary: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #22c55e;
    --text-primary: #1f2937;
    --text-secondary: #374151;
    --text-light: #6b7280;
    --text-muted: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.8);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-dark: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --text-primary: #f9fafb;
    --text-secondary: #e5e7eb;
    --text-light: #d1d5db;
    --text-muted: #9ca3af;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --bg-card: #1f2937;
    --bg-overlay: rgba(0, 0, 0, 0.9);
    --border-light: #374151;
    --border-medium: #4b5563;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

/* Reset dan Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: var(--transition-normal);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition-normal);
}

[data-theme="dark"] .navbar {
    background: rgba(17, 24, 39, 0.95);
    border-bottom-color: var(--border-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-logo a:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #6c5ce7;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #6c5ce7;
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.language-toggle {
    margin-left: 20px;
}

.lang-btn {
    background: linear-gradient(45deg, #6c5ce7, #74b9ff);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 25px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(108, 92, 231, 0.2);
}

.lang-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
    background: linear-gradient(45deg, #5b4cdb, #6bb6ff);
}

.lang-btn .flag {
    font-size: 1rem;
}

.lang-btn .lang-text {
    font-weight: 600;
}

/* Theme Toggle */
.theme-toggle {
    margin-left: 15px;
}

.theme-btn {
    background: var(--gradient-secondary);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.theme-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.theme-btn:active {
    transform: translateY(0) scale(0.95);
}

.theme-btn i {
    transition: var(--transition-normal);
}

[data-theme="dark"] .theme-btn {
    background: var(--gradient-accent);
}

[data-theme="dark"] .theme-btn i:before {
    content: "\f185"; /* fa-sun */
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    color: white;
    padding: 70px 0 50px 0;
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .hero {
    background: var(--gradient-dark);
}

.particles-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text-animated {
    animation: slideInLeft 1s ease-out;
}

.hero-greeting {
    margin-bottom: 10px;
}

.greeting-text {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.1;
}

.highlight {
    color: #74b9ff;
    background: linear-gradient(45deg, #74b9ff, #0984e3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.hero-content h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 20px;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.95);
}

.typing-container {
    margin: 20px 0;
    height: 35px;
    font-size: 1.3rem;
    color: #74b9ff;
    display: flex;
    align-items: center;
}

.typing-prefix {
    color: rgba(255, 255, 255, 0.8);
    margin-right: 8px;
}

.typing-text {
    font-weight: 500;
    color: #74b9ff;
}

.cursor {
    animation: blink 1s infinite;
    color: #74b9ff;
    font-weight: bold;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-content p {
    font-size: 1.15rem;
    margin-bottom: 25px;
    opacity: 0.85;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.hero-highlights {
    margin: 25px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    padding: 8px 0;
}

.highlight-item i {
    color: #74b9ff;
    width: 20px;
    text-align: center;
}

.highlight-item span {
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin: 25px 0 30px 0;
}

.btn {
    padding: 15px 35px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: var(--gradient-primary);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #6c5ce7;
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 15px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 5px;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: slideInRight 1s ease-out;
}

.profile-img-container {
    position: relative;
}

.profile-img {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.2);
    animation: float 6s ease-in-out infinite;
    position: relative;
    z-index: 2;
}

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

.profile-decoration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.decoration-circle {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -40px;
    left: -40px;
    animation-duration: 20s;
}

.circle-2 {
    width: 480px;
    height: 480px;
    top: -80px;
    left: -80px;
    animation-duration: 30s;
    animation-direction: reverse;
}

.circle-3 {
    width: 560px;
    height: 560px;
    top: -120px;
    left: -120px;
    animation-duration: 40s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

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

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

/* Section Styles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--text-primary);
    position: relative;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* About Section */
.about {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #6c5ce7, transparent);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    align-items: start;
}

.about-intro {
    text-align: center;
    margin-bottom: 40px;
}

.about-text h3 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #2d3436;
    background: linear-gradient(45deg, #6c5ce7, #74b9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lead {
    font-size: 1.3rem;
    font-weight: 400;
    color: #636e72;
    margin-bottom: 30px;
    line-height: 1.6;
}

.about-description {
    margin-bottom: 40px;
}

.about-description p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: #2d3436;
    line-height: 1.8;
    text-align: justify;
}

.about-expertise {
    margin-bottom: 40px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.about-expertise h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2d3436;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.expertise-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #6c5ce7;
    transition: all 0.3s ease;
}

.expertise-item:hover {
    background: white;
    box-shadow: 0 5px 15px rgba(108, 92, 231, 0.1);
    transform: translateY(-2px);
}

.expertise-item i {
    color: #6c5ce7;
    font-size: 1.5rem;
    margin-top: 2px;
}

.expertise-item div {
    flex: 1;
}

.expertise-item strong {
    display: block;
    font-size: 1.1rem;
    color: #2d3436;
    margin-bottom: 5px;
}

.expertise-item span {
    color: #636e72;
    font-size: 0.95rem;
    line-height: 1.4;
}

.personal-info {
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.personal-info h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2d3436;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.info-item:hover {
    background: #6c5ce7;
    color: white;
    transform: translateY(-2px);
}

.info-item i {
    color: #6c5ce7;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.info-item:hover i {
    color: white;
}

.info-item div {
    flex: 1;
}

.info-item strong {
    display: block;
    font-size: 0.9rem;
    color: #636e72;
    margin-bottom: 2px;
}

.info-item:hover strong {
    color: rgba(255, 255, 255, 0.8);
}

.info-item span {
    color: #2d3436;
    font-weight: 500;
}

.info-item:hover span {
    color: white;
}

.about-quote {
    text-align: center;
    margin-top: 40px;
}

.about-quote blockquote {
    font-size: 1.2rem;
    font-style: italic;
    color: #636e72;
    line-height: 1.8;
    position: relative;
    padding: 30px 40px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #74b9ff;
}

.about-quote i {
    color: #74b9ff;
    font-size: 1.5rem;
    opacity: 0.6;
}

.fa-quote-left {
    margin-right: 10px;
}

.fa-quote-right {
    margin-left: 10px;
}

/* Skills Section */
.skills {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

[data-theme="dark"] .skills {
    background: var(--bg-secondary);
}

/* Skills Filter Tabs */
.skills-filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-tab {
    padding: 12px 30px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: var(--border-radius-xl);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-normal);
    font-family: 'Poppins', sans-serif;
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.skill-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.skill-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    transition: var(--transition-normal);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1) rotateY(180deg);
}

/* Skill Progress Bars */
.skill-progress {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    margin-top: 20px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: 10px;
    width: 0%;
    transition: width 2s ease-in-out;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

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

.skill-icon .fa-laravel {
    color: #ff2d20;
}

.skill-icon .fa-php {
    color: #777bb4;
}

.skill-icon .fa-server {
    color: #28a745;
}

.skill-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2d3436;
}

.skill-card p {
    color: #636e72;
    line-height: 1.6;
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: #f8f9fa;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(108, 92, 231, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    border-radius: var(--border-radius-lg);
    z-index: 10;
}

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

.project-links {
    display: flex;
    gap: 20px;
    z-index: 11;
}

.project-link {
    color: white;
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    border-radius: 50%;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    z-index: 12;
    cursor: pointer;
}

.project-link:hover {
    background: white;
    color: #6c5ce7;
    transform: scale(1.1);
}

.project-info {
    padding: 30px;
}

.project-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2d3436;
}

.project-info p {
    color: #636e72;
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: #6c5ce7;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #2d3436;
}

.contact-info p {
    color: #636e72;
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #636e72;
}

.contact-item i {
    color: #6c5ce7;
    width: 20px;
    margin-right: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    color: #6c5ce7;
    font-size: 1.5rem;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #6c5ce7;
    border-radius: 50%;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: #6c5ce7;
    color: white;
}

.contact-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6c5ce7;
}

.contact-form .btn {
    width: 100%;
}

/* Footer */
.footer {
    background: #2d3436;
    color: white;
    text-align: center;
    padding: 30px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 50px 0;
    }

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

    .language-toggle {
        margin: 20px 0 0 0;
    }

    .nav-toggle {
        display: flex;
    }

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

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
        padding: 20px;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .hero-content h2 {
        font-size: 1.4rem;
    }

    .typing-container {
        font-size: 1.1rem;
        height: 30px;
    }

    .hero-highlights {
        margin: 25px 0;
    }

    .highlight-item {
        font-size: 0.9rem;
    }

    .profile-img {
        width: 250px;
        height: 250px;
    }

    .decoration-circle {
        display: none; /* Hide decorative circles on mobile */
    }

    .hero-stats {
        justify-content: center;
        gap: 30px;
        flex-wrap: wrap;
    }

    .stat-number {
        font-size: 2rem;
    }

    .about-text h3 {
        font-size: 2rem;
    }

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

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

    .about-expertise,
    .personal-info {
        padding: 20px;
    }

    .about-quote blockquote {
        padding: 20px 25px;
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        margin: 20px 0;
        gap: 15px;
    }

    .btn {
        width: 250px;
        text-align: center;
        justify-content: center;
    }

    .typing-container {
        font-size: 1rem;
    }

    .hero {
        min-height: 100vh;
        padding: 70px 0 30px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content h2 {
        font-size: 1.2rem;
    }

    .typing-container {
        font-size: 1rem;
        flex-direction: column;
        height: auto;
        text-align: center;
    }

    .typing-prefix {
        margin-right: 0;
        margin-bottom: 5px;
    }

    .hero-highlights {
        margin: 20px 0;
    }

    .highlight-item {
        font-size: 0.85rem;
        justify-content: center;
    }

    .about-text h3 {
        font-size: 1.8rem;
    }

    .lead {
        font-size: 1.1rem;
    }

    .expertise-item,
    .info-item {
        padding: 15px;
    }

    .about-quote blockquote {
        padding: 15px 20px;
        font-size: 1rem;
    }

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

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

    .project-card {
        margin: 0 10px;
    }

    .contact-form {
        padding: 25px;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-item {
        flex: 1;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .btn {
        width: 200px;
        padding: 12px 25px;
    }

    .hero {
        padding: 70px 0 20px 0;
    }

    .hero-container {
        padding: 10px;
        gap: 15px;
    }

    .hero-buttons {
        margin: 15px 0 20px 0;
        gap: 10px;
    }
}

/* Enhanced Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Interactive Elements */
.interactive-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.interactive-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

.interactive-card:hover::before {
    left: 100%;
}

/* Glowing effect for buttons */
.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.btn-glow:hover::after {
    width: 300px;
    height: 300px;
}

/* Ripple animation */
@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Interactive navigation */
.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #6c5ce7, #74b9ff);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

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

/* Enhanced project cards */
.project-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.project-overlay {
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.project-card:hover .project-overlay {
    backdrop-filter: blur(10px);
}

/* Tech tags animation */
.tech-tag {
    transition: all 0.3s ease;
    cursor: pointer;
}

.tech-tag:hover {
    transform: translateY(-2px);
    background: #6c5ce7;
    color: white;
    box-shadow: 0 4px 8px rgba(108, 92, 231, 0.3);
}

/* Skill cards enhanced hover */
.skill-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e9ecef;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(108, 92, 231, 0.05), transparent);
    transition: left 0.6s;
}

.skill-card:hover::before {
    left: 100%;
}

.skill-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(108, 92, 231, 0.15);
}

/* Project cards enhanced */
.project-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(116, 185, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-card:hover {
    transform: translateY(-15px) rotate(1deg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

/* Enhanced contact section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6c5ce7, #74b9ff);
    border-radius: 15px 15px 0 0;
}

/* Enhanced buttons */
.btn:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Navigation active state */
.nav-link.active {
    color: #6c5ce7;
    font-weight: 600;
}

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

/* Loading Screen */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-content h3 {
    margin: 20px 0;
    font-size: 1.5rem;
    font-weight: 300;
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 20px;
}

.progress-bar {
    width: 0;
    height: 100%;
    background: white;
    border-radius: 2px;
    animation: loading 3s ease-in-out;
}

/* Achievement Section */
.achievements {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.achievement-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
}

.achievement-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.achievement-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.achievement-icon i {
    font-size: 2rem;
    color: white;
}

.achievement-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.achievement-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.achievement-year {
    display: inline-block;
    padding: 8px 16px;
    background: var(--gradient-secondary);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.testimonials-carousel {
    max-width: 800px;
    margin: 60px auto 40px;
    position: relative;
    overflow: hidden;
}

.testimonial-card {
    opacity: 0;
    transform: translateX(100px);
    transition: var(--transition-slow);
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
    position: relative;
}

.testimonial-content {
    text-align: center;
    padding: 40px;
    background: var(--bg-card);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    opacity: 0.3;
}

.testimonial-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.author-info h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 5px;
}

.author-info span {
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active {
    background: var(--primary-color);
}

/* Enhanced Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: white;
    font-size: 1.2rem;
}

.contact-content-item h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 5px;
}

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

/* Contact Form */
.contact-form-container {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 8px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-fast);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.btn-submit {
    position: relative;
    overflow: hidden;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn-submit.loading .btn-loader {
    opacity: 1;
}

.btn-submit.loading span,
.btn-submit.loading i {
    opacity: 0;
}

/* Projects Enhancement */
.projects-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.featured-project {
    position: relative;
    border: 2px solid var(--primary-color);
}

.project-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
}

.badge-text {
    background: var(--gradient-primary);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.project-category {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.project-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin: 20px 0;
    padding: 20px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .project-features {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 30px 20px;
    }
}

@keyframes loading {
    0% { width: 0; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}