:root {
    --primary-color: #dc2626;
    --secondary-color: #b91c1c;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background: #ffffff;
    --light-bg: #fef2f2;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--secondary-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

.btn.primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

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

.btn.secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

section {
    padding: 5rem 0;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
}

section h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 1rem auto 0;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    text-align: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.hero p {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: 2rem;
}

.highlight {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 10px;
    background-color: rgba(220, 38, 38, 0.3);
    z-index: -1;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.about {
    background-color: var(--light-bg);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--light-text);
}

.about-image {
    flex: 1;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Skills Section */
.skills {
    background-color: var(--background);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-card {
    background: white;
    padding: 2rem 1rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(220, 38, 38, 0.1);
    transition: var(--transition);
    border: 1px solid #fecaca;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(220, 38, 38, 0.15);
    border-color: var(--primary-color);
}

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

.skill-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0;
}

.projects {
    background-color: var(--light-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(220, 38, 38, 0.1);
    transition: var(--transition);
    border: 1px solid #fecaca;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(220, 38, 38, 0.15);
    border-color: var(--primary-color);
}

.project-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

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

.contact-form.disabled .form-group input,
.contact-form.disabled .form-group textarea {
    background-color: #fef2f2;
    cursor: not-allowed;
    opacity: 0.8;
    border: 1px solid #fca5a5;
}

.contact-form.disabled .form-group input:focus,
.contact-form.disabled .form-group textarea:focus {
    border-color: #fca5a5;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.contact-form.disabled .btn[disabled] {
    background-color: #fca5a5;
    cursor: not-allowed;
    transform: none;
    color: #7f1d1d;
}

.contact-form.disabled .btn[disabled]:hover {
    background-color: #fca5a5;
}

.contact {
    background-color: var(--background);
}

.contact-container {
    display: flex;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    flex: 1;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

footer {
    background-color: var(--text-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

footer p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .about-image {
        margin-top: 2rem;
    }
    
    .contact-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .project-links {
        flex-direction: column;
    }
}