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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.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(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

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

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

.theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    color: #333;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.theme-toggle i {
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: heroBackground 20s ease-in-out infinite;
}

@keyframes heroBackground {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.15;
    filter: blur(1px);
}

.hero-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

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

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
}

.highlight {
    background: linear-gradient(45deg, #fbbf24, #f59e0b, #d97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 5px rgba(251, 191, 36, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(251, 191, 36, 0.8)); }
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    animation: fadeInUp 1s ease-out 0.3s both;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn::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;
}

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

.btn-primary {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    color: #1f2937;
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(45deg, #f59e0b, #d97706);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(251, 191, 36, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.2);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    padding: 2.5rem;
    text-align: center;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.floating-card:nth-child(1) {
    top: -50px;
    left: -50px;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 50px;
    right: -50px;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: -50px;
    left: 50px;
    animation-delay: 4s;
}

.floating-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #fbbf24;
    text-shadow: 0 4px 15px rgba(251, 191, 36, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.floating-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.2rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 8rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 25px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
}

.service-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 200px;
    z-index: 0;
    opacity: 0.1;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.95);
}

.service-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #2563eb, #3b82f6, #8b5cf6);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.4);
}

.service-icon i {
    font-size: 2.2rem;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.service-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1.2rem;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, #1f2937, #374151);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.service-features {
    list-style: none;
    position: relative;
    z-index: 1;
}

.service-features li {
    padding: 0.6rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 2rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.service-features li:hover {
    color: #2563eb;
    transform: translateX(5px);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
    font-size: 1.1rem;
    text-shadow: 0 2px 5px rgba(16, 185, 129, 0.3);
}

/* About Section */
.about {
    padding: 8rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 3rem;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 2.5rem;
    background: linear-gradient(135deg, #1f2937, #374151, #4b5563);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    border-radius: 2px;
}

.about-text p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.skills {
    margin-top: 2rem;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-name {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.skill-bar {
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    border-radius: 4px;
    transition: width 2s ease;
    width: 0;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    box-shadow: 
        0 30px 60px rgba(102, 126, 234, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: rotate 4s linear infinite;
}

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

.image-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 
        0 40px 80px rgba(102, 126, 234, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.3);
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: relative;
    z-index: 1;
}

/* Portfolio Section */
.portfolio {
    padding: 8rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

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

.portfolio-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.portfolio-item:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.95);
}

.portfolio-image {
    height: 220px;
    background: linear-gradient(135deg, #2563eb, #3b82f6, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.portfolio-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.portfolio-content {
    padding: 2.5rem;
}

.portfolio-content h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, #1f2937, #374151);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.portfolio-content p {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.portfolio-tech span {
    background: linear-gradient(135deg, #e5e7eb, #f3f4f6);
    color: #374151;
    padding: 0.4rem 1rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
}

.portfolio-tech span:hover {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

/* Portfolio Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid rgba(59, 130, 246, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: #374151;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

/* Portfolio Overlay */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-actions {
    display: flex;
    gap: 1rem;
}

.portfolio-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.portfolio-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

/* Portfolio Modal */
.portfolio-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    margin: 2% auto;
    padding: 0;
    border-radius: 25px;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideIn 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

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

.close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #aaa;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.close:hover {
    color: #000;
    background: rgba(0, 0, 0, 0.2);
    transform: scale(1.1);
}

.modal-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.modal-header h2 {
    margin: 0 0 1rem 0;
    color: #1f2937;
    font-size: 2rem;
    font-weight: 700;
}

.modal-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.modal-tech span {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 600;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

.modal-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-info h3 {
    color: #1f2937;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.modal-info p {
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.modal-info ul {
    list-style: none;
    margin-bottom: 2rem;
}

.modal-info li {
    padding: 0.5rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.5rem;
}

.modal-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.modal-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.modal-links .btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
}

/* Dark Mode Portfolio */
[data-theme="dark"] .portfolio-filters {
    color: var(--text-primary);
}

[data-theme="dark"] .filter-btn {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(71, 85, 105, 0.3);
    color: var(--text-primary);
}

[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
}

[data-theme="dark"] .modal-content {
    background: rgba(30, 41, 59, 0.95);
    border-color: rgba(71, 85, 105, 0.3);
}

[data-theme="dark"] .modal-header h2,
[data-theme="dark"] .modal-info h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .modal-info p {
    color: var(--text-secondary);
}

[data-theme="dark"] .modal-info li {
    color: var(--text-secondary);
}

[data-theme="dark"] .close {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.2);
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 90%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #6b7280;
}

.contact-form {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.2);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    border: 2px solid rgba(229, 231, 235, 0.5);
    border-radius: 15px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

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

/* Footer */
.footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: white;
    padding: 4rem 0 1rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #fbbf24;
}

/* DevMarketingTools Branding */
.brand-gradient {
    background: linear-gradient(135deg, #2563eb, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-logo {
    position: relative;
    display: inline-block;
}

.brand-logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #2563eb, #3b82f6, #8b5cf6);
    border-radius: 1px;
}

/* Dark Mode Styles */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #475569;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] body {
    background: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .nav-link {
    color: var(--text-primary);
}

[data-theme="dark"] .nav-link:hover {
    color: #60a5fa;
}

[data-theme="dark"] .theme-toggle {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}

[data-theme="dark"] .theme-toggle:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
}

[data-theme="dark"] .services {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

[data-theme="dark"] .about {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] .portfolio {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

[data-theme="dark"] .contact {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] .service-card,
[data-theme="dark"] .portfolio-item,
[data-theme="dark"] .contact-form {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(71, 85, 105, 0.3);
    color: var(--text-primary);
}

[data-theme="dark"] .service-card h3,
[data-theme="dark"] .portfolio-content h3,
[data-theme="dark"] .about-text h2 {
    color: var(--text-primary);
}

[data-theme="dark"] .service-card p,
[data-theme="dark"] .portfolio-content p,
[data-theme="dark"] .about-text p {
    color: var(--text-secondary);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(71, 85, 105, 0.5);
    color: var(--text-primary);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
    background: rgba(30, 41, 59, 0.95);
    border-color: #60a5fa;
}

[data-theme="dark"] .footer {
    background: linear-gradient(135deg, #0f172a 0%, #020617 100%);
}

/* Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    max-width: 400px;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.notification-success .notification-content {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: #065f46;
}

.notification-error .notification-content {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #991b1b;
}

.notification-info .notification-content {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #1e40af;
}

.notification-content i {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.notification-success .notification-content i {
    color: #10b981;
}

.notification-error .notification-content i {
    color: #ef4444;
}

.notification-info .notification-content i {
    color: #3b82f6;
}

.notification-content span {
    flex: 1;
    font-weight: 500;
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    transition: all 0.2s ease;
    opacity: 0.7;
}

.notification-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}

/* Dark Mode Notifications */
[data-theme="dark"] .notification-content {
    background: rgba(30, 41, 59, 0.95);
    border-color: rgba(71, 85, 105, 0.3);
    color: var(--text-primary);
}

[data-theme="dark"] .notification-success .notification-content {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.4);
    color: #6ee7b7;
}

[data-theme="dark"] .notification-error .notification-content {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

[data-theme="dark"] .notification-info .notification-content {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    color: #93c5fd;
}

[data-theme="dark"] .notification-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 5% auto;
        max-height: 85vh;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .modal-header {
        padding: 1rem;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .notification {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #fbbf24;
}

.footer-section ul li i {
    margin-right: 0.5rem;
    color: #fbbf24;
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(55, 65, 81, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #1f2937;
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 10px 25px rgba(251, 191, 36, 0.3);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .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: 2rem 0;
    }

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

    .nav-menu li {
        margin: 1rem 0;
    }

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

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

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

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .floating-card {
        position: relative;
        margin: 1rem;
        animation: none;
    }

    .hero-image {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

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

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

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

    .service-card,
    .contact-form {
        padding: 1.5rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

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

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Success/Error Messages */
.message {
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}