* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #ff6b6b;
    --secondary: #4ecdc4;
    --dark: #1a1a2e;
    --light: #f7f7f7;
    --gray: #6c757d;
    --accent: #ffd93d;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
}

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: var(--dark);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s;
}

.sidebar-header h2 {
    color: white;
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 3rem;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(255,255,255,0.1);
    color: white;
}

.nav-item i {
    font-size: 1.2rem;
}

.sidebar-footer .social {
    display: flex;
    gap: 1rem;
}

.sidebar-footer .social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-footer .social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    background: var(--dark);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 10px;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Content */
.main-content {
    margin-left: 280px;
    min-height: 100vh;
}

section {
    padding: 5rem 3rem;
    max-width: 1400px;
}

.section-header {
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 3rem;
    color: var(--dark);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--secondary);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

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

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: #ff5252;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,107,107,0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--dark);
}

.btn-secondary:hover {
    background: var(--dark);
    color: white;
}

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
    color: var(--primary);
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20%;
    left: 30%;
    animation-delay: 2s;
}

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

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

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder i {
    font-size: 8rem;
    color: white;
    opacity: 0.5;
}

.about-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-content p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 2rem 0;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: var(--secondary);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
}

.stats-row {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
}

.stat h4 {
    font-size: 2.5rem;
    color: var(--primary);
}

.stat p {
    color: var(--gray);
}

/* Services */
.services-list {
    display: grid;
    gap: 1.5rem;
}

.service-item {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    transition: all 0.3s;
}

.service-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.service-content h3 {
    margin-bottom: 0.5rem;
}

.service-content p {
    color: var(--gray);
}

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

.portfolio-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.portfolio-thumb {
    height: 250px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.portfolio-details {
    padding: 1.5rem;
}

.portfolio-details h3 {
    margin-bottom: 0.5rem;
}

.portfolio-details p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.portfolio-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--secondary);
    color: white;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* Contact */
.contact-wrapper {
    display: grid;
    gap: 3rem;
}

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

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
}

.contact-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.contact-card h4 {
    margin-bottom: 0.5rem;
}

.contact-card a {
    color: var(--secondary);
    text-decoration: none;
}

.contact-card p {
    color: var(--gray);
}

.contact-form-box {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.contact-form-box input,
.contact-form-box textarea {
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.contact-form-box input:focus,
.contact-form-box textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-submit {
    padding: 1rem 2rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.btn-submit:hover {
    background: #ff5252;
    transform: translateY(-3px);
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 3rem;
    margin-left: 280px;
}

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

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1rem;
}

.footer-col p {
    color: rgba(255,255,255,0.6);
    margin-bottom: 0.5rem;
}

.footer-col a {
    display: block;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .mobile-menu-btn {
        display: block;
    }

    .main-content,
    .footer {
        margin-left: 0;
    }

    .hero-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        display: none;
    }

    section {
        padding: 3rem 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .stats-row {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }
}