:root {
    --bg-core: #050505;       
    --card-white: #ffffff;    
    --primary: #2563eb;       
    --text-white: #ffffff;
    --text-grey: #9ca3af;
    --font-main: 'Inter', 'Segoe UI', sans-serif; 
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-core);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden; 
}

@keyframes slideUpFade {
    0% {
        opacity: 0;
        transform: translateY(60px); 
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-white);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-grey);
    font-weight: 500;
    font-size: 0.9rem;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--text-white);
}

.nav-links li:last-child a {
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.bar {
    height: 3px;
    width: 25px;
    background-color: var(--text-white);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    margin-top: 0;
    position: relative;
    background: radial-gradient(circle at 80% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%);
}

.hero-content {
    flex: 1;
    max-width: 600px;
    opacity: 0; 
    animation: slideUpFade 1s ease forwards;
    animation-delay: 0.2s; 
}

.hero-content h1 {
    font-size: 4rem; 
    font-weight: 800;
    margin-bottom: 10px;
    line-height: 1.1;
    letter-spacing: -1px;
}

.highlight {
    color: var(--text-white); 
}

.typing-text {
    font-size: 1.2rem;
    color: var(--primary); 
    font-weight: 600;
    margin-bottom: 20px;
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    padding: 5px 15px;
    border-radius: 20px;
}

.hero-content p {
    color: var(--text-grey);
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 90%;
}

.cta-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 14px 35px;
    border-radius: 50px; 
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: 0.3s;
}

.btn.primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
}

.btn.secondary {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-white);
}

.btn.secondary:hover {
    border-color: var(--text-white);
    background: rgba(255,255,255,0.05);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end; 
    position: relative;
    opacity: 0;
    animation: slideUpFade 1s ease forwards;
    animation-delay: 0.5s; 
}

.hero-image img {
    width: 380px;  
    height: 420px; 
    object-fit: cover;
    background-color: var(--card-white); 
    padding: 15px; 
    padding-bottom: 60px; 
    border-radius: 20px; 
    transform: rotate(-2deg); 
    transition: 0.5s;
    box-shadow: 20px 20px 0px rgba(37, 99, 235, 0.2); 
}

.hero-image img:hover {
    transform: rotate(0deg) scale(1.02); 
    box-shadow: 10px 10px 30px rgba(37, 99, 235, 0.3);
}

.section-padding {
    padding: 100px 10%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--text-white);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

@media (max-width: 1200px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

#experience .card-grid {
    grid-template-columns: repeat(5, 1fr);
    justify-items: center;
}

#experience .card:nth-child(4) {
    grid-column: auto;
}

#experience .card:nth-child(5) {
    grid-column: auto;
}

@media (max-width: 1400px) {
    #experience .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1200px) {
    #experience .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    #experience .card-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background: #0f0f0f;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: 0.3s;
}

.card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.card h3 { color: var(--text-white); margin-bottom: 5px; }
.card p { color: var(--text-grey); }
.date { color: var(--primary); font-size: 0.9rem; display: block; margin-bottom: 15px; }
.card-icon { font-size: 2rem; color: var(--text-white); margin-bottom: 20px; }

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

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

.about-image img {
    width: 300px;
    height: 350px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
    border: 2px solid rgba(37, 99, 235, 0.3);
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-text p {
    color: var(--text-grey);
    font-size: 1rem;
    line-height: 1.8;
    text-align: justify;
}

@media (max-width: 768px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-image img {
        width: 250px;
        height: 290px;
    }
    
    .about-text p {
        text-align: left;
    }
}

.skills-wrapper { 
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-card {
    background: #0f0f0f;
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: 0.3s;
}

.skill-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    background: rgba(37, 99, 235, 0.05);
}

.skill-card h4 {
    color: var(--text-white);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.skill-card p {
    color: var(--text-grey);
    font-size: 0.95rem;
    line-height: 1.5;
}

.footer { 
    background: #000; 
    padding: 60px 10%; 
    text-align: center; 
    border-top: 1px solid rgba(255,255,255,0.1); 
}

.contact-info { 
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 30px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.contact-item {
    background: #0f0f0f;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: 0.3s;
}

.contact-item {
    background: #0f0f0f;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: 0.3s;
}

.contact-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    background: rgba(37, 99, 235, 0.05);
}

.contact-item a {
    color: inherit;
    text-decoration: none;
}

.contact-item i { 
    color: var(--primary); 
    font-size: 2rem; 
    margin-bottom: 15px; 
    display: block;
}

.contact-item p {
    color: var(--text-white);
    font-weight: 500;
    margin: 0;
}

@media (max-width: 1200px) {
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .nav-links {
        position: absolute; top: 70px; left: 0; width: 100%;
        background: black; flex-direction: column; padding: 20px 0;
        display: none; border-bottom: 1px solid #333;
    }
    .nav-links.active { display: flex; }
    
    .hero {
        flex-direction: column-reverse;
        justify-content: center;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-content h1 { font-size: 2.5rem; }
    .hero-image { justify-content: center; margin-bottom: 40px; }
    .hero-image img { width: 280px; height: 320px; transform: rotate(0); }
    .cta-buttons { justify-content: center; }
}