@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;700&family=Roboto:wght@400;700&display=swap');

:root {
    --background-color: #1a1b26; 
    --foreground-color: #24283b; 
    --primary-color: #7aa2f7;    
    --secondary-color: #bb9af7;  
    --text-color: #c0caf5;       
    --heading-color: #a9b1d6;    
    --comment-color: #565f89;    
    --green-color: #9ece6a;      

    --font-primary: 'Roboto', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth; 
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-primary);
    line-height: 1.6;
}

h1, h2 {
    font-family: var(--font-mono);
    color: var(--heading-color);
    margin-bottom: 1rem;
}

section {
    padding: 100px 10%;
    border-bottom: 1px solid var(--foreground-color);
}

header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    padding: 1rem 10%;
    background-color: rgba(26, 27, 38, 0.85);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--foreground-color);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-family: var(--font-mono);
}

nav ul li a:hover {
    color: var(--primary-color);
}

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

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: all 0.3s ease-in-out;
}

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

#hero .hero-text p {
    font-family: var(--font-mono);
    color: var(--primary-color);
    margin-bottom: 1rem;
}

#hero h1 {
    font-size: 4rem;
    color: var(--heading-color);
    margin-bottom: 0.5rem;
}

#hero h2 {
    font-size: 2.5rem;
    color: var(--comment-color);
    margin-bottom: 2rem;
}

.hero-description {
    max-width: 600px;
    font-size: 1.1rem;
    color: var(--text-color) !important; 
}

.cta-button {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 2rem;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    color: var(--primary-color);
    text-decoration: none;
    font-family: var(--font-mono);
    font-weight: 500;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
}

#about h2, #contact h2 {
    font-size: 2.5rem;
}

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

#skills h2 {
    font-size: 2.5rem;
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.skill-tag {
    background-color: var(--foreground-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    border-left: 3px solid var(--green-color);
    transition: transform 0.2s ease;
}

.skill-tag:hover {
    transform: translateY(-3px);
}

#projects h2 {
    font-size: 2.5rem;
}

.projects-intro {
    max-width: 800px;
    margin: 0 auto 3rem auto;
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-color);
}

.projects-grid {
    display: flex;
    overflow-x: auto;
    gap: 1.5rem;
    padding-bottom: 1.5rem; 
    margin-top: 2rem;
    cursor: grab;
}
.projects-grid::-webkit-scrollbar {
    display: none; 
}
.projects-grid {
    -ms-overflow-style: none;  
    scrollbar-width: none;  
}

.project-card {
    background-color: var(--foreground-color);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-shrink: 0; 
    width: 400px; 
    justify-content: space-between;
    border: 1px solid transparent;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.project-gallery {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.gallery-images {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.project-image {
    width: 100%;
    height: 100%;
    flex-shrink: 0;
    object-fit: cover; 
    border: 1px solid var(--comment-color);
}

.gallery-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(26, 27, 38, 0.7);
    color: var(--text-color);
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-gallery:hover .gallery-btn {
    opacity: 1;
}

.prev-btn { left: 10px; }
.next-btn { right: 10px; }

.project-card h3 {
    font-family: var(--font-mono);
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

footer {
    text-align: center;
    padding: 2rem 0;
    font-family: var(--font-mono);
    color: var(--comment-color);
}


@media (max-width: 1024px) {
    section {
        padding: 90px 8%;
    }

    #hero h1 {
        font-size: 3.5rem;
    }

    #hero h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 5%;
    }

    header {
        padding: 1rem 5%;
    }

    #hero h1 { font-size: 3rem; }
    #hero h2 { font-size: 1.8rem; }

    .project-card {
        width: 80vw; 
        max-width: 350px; 
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 60%;
        max-width: 300px;
        background-color: var(--foreground-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 25vh;
        gap: 3rem;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        z-index: 200;
    }

    .nav-links.open {
        transform: translateX(0%);
    }

    .nav-links li {
        opacity: 0;
    }

    .nav-links li.fade {
        opacity: 1;
        transition: opacity 0.5s ease 0.4s;
    }

    .hamburger {
        display: block;
        z-index: 201;
    }

    .hamburger.toggle .line:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .hamburger.toggle .line:nth-child(2) {
        opacity: 0;
    }
    .hamburger.toggle .line:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    #hero {
        text-align: center;
    }

    .hero-description {
        margin: 0 auto;
    }
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 6px rgba(0,0,0,0.25);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}
.whatsapp-float:hover {
    transform: scale(1.1);
}

.whatsapp-float img {
    width: 35px; 
}

@media (max-width: 480px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
}