Developer Portfolio: Web, Apps, Design - Dawid Wróbel

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Dawid Wróbel's Portfolio</title>
    <link rel="stylesheet" href="style.css">
    <link rel="shortcut icon" href="https://i.postimg.cc/9fqYVvxh/logo.png" type="image/x-icon">
</head>
<body>
    <main>
        <aside class="sidebar" data-sidebar>
            <div class="sidebar-info">
                <figure class="avatar-box">
                    
                </figure>

<div class="info-content">
                    <h1 class="name" title="Mark Tee">Mark Tee</h1>
                    <p class="title">AI & Automation Engineer</p>
                </div>

<button class="info-more-btn" data-sidebar-btn>
                    <span>Show Contacts</span>
                    <ion-icon name="chevron-down"></ion-icon>
                </button>
            </div>

<div class="contact-info">
                            <p class="contact-title">Email</p>
                            <a href="mailto:mtjoluskin@gmail.com" class="contact-link">dawid.wrobel@example.com</a>
                        </div>
                    </li>

<div class="contact-info">
                            <p class="contact-title">Phone</p>
                            <a href="tel:+447738896745" class="contact-link">+48 512 345 678</a>
                        </div>
                    </li>

<div class="contact-info">
                            <p class="contact-title">Birthday</p>
                            <time datetime="1999-11-27">November 27, 1999</time>
                        </div>
                    </li>

<div class="contact-info">
                            <p class="contact-title">Location</p>
                            <address>London, United Kingdom</address>
                        </div>
                    </li>
                </ul>

<div class="main-content">
            <nav class="navbar">
                <ul class="navbar-list">
                    <li class="navbar-item"><button class="navbar-link active" data-nav-link>About</button></li>
                    <li class="navbar-item"><button class="navbar-link" data-nav-link>Resume</button></li>
                    <li class="navbar-item"><button class="navbar-link" data-nav-link>Portfolio</button></li>
                    <li class="navbar-item"><button class="navbar-link" data-nav-link>Blog</button></li>
                    <li class="navbar-item"><button class="navbar-link" data-nav-link>Contact</button></li>
                </ul>
            </nav>

<article class="about active" data-page="about">
                <header>
                    <h2 class="h2 article-title">About me</h2>
                </header>

<section class="about-text">
                    <p>I'm Dawid Wróbel, a Mobile App and Web Developer from Warsaw, Poland, specializing in creating innovative mobile applications and websites.</p>
                    <p>My goal is to build apps and websites that are functional, visually appealing, and user-friendly. I add a personal touch to every project, ensuring it’s engaging and easy to use. My passion is turning ideas into creative and effective digital solutions.</p>
                </section>

<section class="service">
                    <h3 class="h3 service-title">What I'm doing</h3>

<div class="service-content-box">
                                <h4 class="h4 service-item-title">Web Design</h4>
                                <p class="service-item-text">Modern and high-quality web design crafted at a professional level.</p>
                            </div>
                        </li>

<div class="service-content-box">
                                <h4 class="h4 service-item-title">Web Development</h4>
                                <p class="service-item-text">High-quality development of websites at a professional level.</p>
                            </div>
                        </li>

<div class="service-content-box">
                                <h4 class="h4 service-item-title">Mobile Apps</h4>
                                <p class="service-item-text">Professional development of applications for iOS and Android.</p>
                            </div>
                        </li>

<div class="service-content-box">
                                <h4 class="h4 service-item-title">Photography</h4>
                                <p class="service-item-text">High-quality photography for various categories at a professional level.</p>
                            </div>
                        </li>
                    </ul>
                </section>

<section class="testimonials">
                    <h3 class="h3 testimonials-title">Testimonials</h3>

<h4 class="h4 testimonials-item-title" data-testimonials-title>Jan Kowalski</h4>

<div class="testimonials-text" data-testimonials-text>
                                    <p>Dawid created a mobile app for us that impressed our clients. His professionalism and attention to detail made the collaboration a pleasure.</p>
                                </div>
                            </div>
                        </li>

<h4 class="h4 testimonials-item-title" data-testimonials-title>Anna Nowak</h4>

<div class="testimonials-text" data-testimonials-text>
                                    <p>Working with Dawid was fantastic. His skills in mobile app and web development, combined with his professional approach, made our project a success.</p>
                                </div>
                            </div>
                        </li>

<h4 class="h4 testimonials-item-title" data-testimonials-title>Marta Zielińska</h4>

<div class="testimonials-text" data-testimonials-text>
                                    <p>The website Dawid built is not only beautiful but also highly functional. We’ve seen a significant increase in interest in our brand since its launch.</p>
                                </div>
                            </div>
                        </li>

<h4 class="h4 testimonials-item-title" data-testimonials-title>Piotr Wiśniewski</h4>

<div class="testimonials-text" data-testimonials-text>
                                    <p>Dawid designed an app that boosted our conversions by 40%. His creativity and professionalism are highly recommended.</p>
                                </div>
                            </div>
                        </li>
                    </ul>
                </section>

<div class="modal-content">
                            <h4 class="h3 modal-title" data-modal-title>Jan Kowalski</h4>
                            <time datetime="2023-06-14">June 14, 2023</time>

<div class="modal-text" data-modal-text>
                                <p>Dawid created a mobile app for us that impressed our clients. His professionalism and attention to detail made the collaboration a pleasure.</p>
                            </div>
                        </div>
                    </section>
                </div>

<section class="clients">
                    <h3 class="h3 clients-title">Clients</h3>

<article class="resume" data-page="resume">
                <header>
                    <h2 class="h2 article-title">Resume</h2>
                </header>

<h3 class="h3">Education</h3>
                    </div>

<ol class="timeline-list">
                        <li class="timeline-item">
                            <h4 class="h4 timeline-item-title">Warsaw University of Technology</h4>
                            <span>2014 - 2018</span>
                            <p class="timeline-text">Studied computer science, learning the fundamentals of programming, computer architecture, operating systems, databases, and software engineering.</p>
                        </li>

<li class="timeline-item">
                            <h4 class="h4 timeline-item-title">University of Warsaw</h4>
                            <span>2018 - 2020</span>
                            <p class="timeline-text">Completed a master’s degree in mobile technologies, deepening my knowledge in mobile app and web development.</p>
                        </li>
                    </ol>
                </section>

<h3 class="h3">Experience</h3>
                    </div>

<ol class="timeline-list">
                        <li class="timeline-item">
                            <h4 class="h4 timeline-item-title">Mobile App Developer</h4>
                            <span>2020 - Present</span>
                            <p class="timeline-text">Developing mobile applications for iOS and Android, focusing on functionality and user experience.</p>
                        </li>

<li class="timeline-item">
                            <h4 class="h4 timeline-item-title">Web Developer</h4>
                            <span>2018 - 2020</span>
                            <p class="timeline-text">Designed and developed websites, leveraging modern front-end and back-end technologies.</p>
                        </li>
                    </ol>
                </section>

<section class="skill">
                    <h3 class="h3 skills-title">My Skills</h3>

<ul class="skills-list content-card">
                        <li class="skills-item">
                            <div class="title-wrapper">
                                <h5 class="h5">Web Design</h5>
                                <data value="85">85%</data>
                            </div>

<li class="skills-item">
                            <div class="title-wrapper">
                                <h5 class="h5">Mobile Apps</h5>
                                <data value="90">90%</data>
                            </div>

<li class="skills-item">
                            <div class="title-wrapper">
                                <h5 class="h5">UI/UX Design</h5>
                                <data value="80">80%</data>
                            </div>

<li class="skills-item">
                            <div class="title-wrapper">
                                <h5 class="h5">WordPress</h5>
                                <data value="60">60%</data>
                            </div>

<article class="portfolio" data-page="portfolio">
                <header>
                    <h2 class="h2 article-title">Portfolio</h2>
                </header>

<section class="projects">
                    <ul class="filter-list">
                        <li class="filter-item"><button class="active" data-filter-btn>All</button></li>
                        <li class="filter-item"><button data-filter-btn>Web Design</button></li>
                        <li class="filter-item"><button data-filter-btn>Applications</button></li>
                        <li class="filter-item"><button data-filter-btn>Web Development</button></li>
                    </ul>

<div class="filter-select-box">
                        <button class="filter-select" data-select>
                            <div class="select-value" data-select-value>Select Category</div>

<ul class="select-list">
                            <li class="select-item"><button data-select-item>All</button></li>
                            <li class="select-item"><button data-select-item>Web Design</button></li>
                            <li class="select-item"><button data-select-item>Applications</button></li>
                            <li class="select-item"><button data-select-item>Web Development</button></li>
                        </ul>
                    </div>

<h3 class="project-title">Finance</h3>
                                <p class="project-category">Web Development</p>
                            </a>
                        </li>

<h3 class="project-title">Orizon</h3>
                                <p class="project-category">Web Development</p>
                            </a>
                        </li>

<h3 class="project-title">Fundo</h3>
                                <p class="project-category">Web Design</p>
                            </a>
                        </li>

<h3 class="project-title">Brawlhalla</h3>
                                <p class="project-category">Applications</p>
                            </a>
                        </li>

<h3 class="project-title">DSM.</h3>
                                <p class="project-category">Web Design</p>
                            </a>
                        </li>

<h3 class="project-title">Metaspark</h3>
                                <p class="project-category">Web Design</p>
                            </a>
                        </li>

<h3 class="project-title">Summary</h3>
                                <p class="project-category">Web Development</p>
                            </a>
                        </li>

<h3 class="project-title">Task Manager</h3>
                                <p class="project-category">Applications</p>
                            </a>
                        </li>

<h3 class="project-title">Arrival</h3>
                                <p class="project-category">Web Development</p>
                            </a>
                        </li>
                    </ul>
                </section>
            </article>

<div class="blog-content">
                                    <div class="blog-meta">
                                        <p class="blog-category">Design</p>
                                        <span class="dot"></span>
                                        <time datetime="2024-02-23">Feb 23, 2024</time>
                                    </div>

<h3 class="h3 blog-item-title">Design conferences in 2024</h3>
                                    <p class="blog-text">In 2024, several exciting design conferences are set to take place, offering opportunities for professionals and enthusiasts to connect, learn, and share innovative ideas.</p>
                                </div>
                            </a>
                        </li>

<div class="blog-content">
                                    <div class="blog-meta">
                                        <p class="blog-category">Design</p>
                                        <span class="dot"></span>
                                        <time datetime="2024-01-29">Jan 29, 2024</time>
                                    </div>

<h3 class="h3 blog-item-title">Best fonts every designer</h3>
                                    <p class="blog-text">Choosing the right font is crucial for effective design. In this article, I provide an overview of some of the best fonts every designer should consider.</p>
                                </div>
                            </a>
                        </li>

<div class="blog-content">
                                    <div class="blog-meta">
                                        <p class="blog-category">Design</p>
                                        <span class="dot"></span>
                                        <time datetime="2023-12-20">Dec 20, 2023</time>
                                    </div>

<h3 class="h3 blog-item-title">Design digest #80</h3>
                                    <p class="blog-text">In this Design Digest, I present the latest trends, insights, and innovations in the design world.</p>
                                </div>
                            </a>
                        </li>

<div class="blog-content">
                                    <div class="blog-meta">
                                        <p class="blog-category">Design</p>
                                        <span class="dot"></span>
                                        <time datetime="2023-11-29">Nov 29, 2023</time>
                                    </div>

<h3 class="h3 blog-item-title">2023 UI interactions</h3>
                                    <p class="blog-text">The year 2023 marked significant advancements in UI interactions, driven by technology and user expectations.</p>
                                </div>
                            </a>
                        </li>

<div class="blog-content">
                                    <div class="blog-meta">
                                        <p class="blog-category">Design</p>
                                        <span class="dot"></span>
                                        <time datetime="2023-11-12">Nov 12, 2023</time>
                                    </div>

<h3 class="h3 blog-item-title">The forgotten art of spacing</h3>
                                    <p class="blog-text">Spacing is often overlooked but critical in design, significantly impacting aesthetics and functionality.</p>
                                </div>
                            </a>
                        </li>

<div class="blog-content">
                                    <div class="blog-meta">
                                        <p class="blog-category">Design</p>
                                        <span class="dot"></span>
                                        <time datetime="2023-10-20">Oct 20, 2023</time>
                                    </div>

<h3 class="h3 blog-item-title">Design digest #79</h3>
                                    <p class="blog-text">In this Design Digest, I focus on tools and resources used in daily projects, including software recommendations and online courses.</p>
                                </div>
                            </a>
                        </li>
                    </ul>
                </section>
            </article>

<article class="contact" data-page="contact">
                <header>
                    <h2 class="h2 article-title">Contact</h2>
                </header>

<section class="contact-form">
                    <h3 class="h3 form-title">Contact Form</h3>

<button class="form-btn" type="submit" disabled data-form-btn>
                            <ion-icon name="paper-plane"></ion-icon>
                            <span>Send Message</span>
                        </button>
                    </form>
                </section>
            </article>
        </div>
    </main>

CSS

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

:root {
    --bg-gradient-onyx: linear-gradient(to bottom right, hsl(240, 1%, 25%) 3%, hsl(0, 0%, 19%) 97%);
    --bg-gradient-jet: linear-gradient(to bottom right, hsla(240, 1%, 18%, .251) 3%, hsla(240, 2%, 11%, 0) 100%), hsl(240, 2%, 13%);
    --bg-gradient-yellow1: linear-gradient(to bottom right, hsl(45, 100%, 71%) 0%, hsla(36, 100%, 69%, 0) 50%);
    --bg-gradient-yellow2: linear-gradient(135deg, hsla(45, 100%, 71%, .251) 0%, hsla(35, 100%, 68%, 0) 59.86%), hsl(240, 2%, 13%);
    --border-gradient-onyx: linear-gradient(to bottom right, hsl(0, 0%, 25%) 0%, hsla(0, 0%, 25%, 0) 50%);
    --text-gradient-yellow: linear-gradient(to right, hsl(45, 100%, 72%), hsl(35, 100%, 68%));

--jet: hsl(0, 0%, 22%);
    --onyx: hsl(240, 1%, 17%);
    --eerie-black1: hsl(240, 2%, 13%);
    --eerie-black2: hsl(240, 2%, 12%);
    --smoky-black: hsl(0, 0%, 7%);
    --white1: hsl(0, 0%, 100%);
    --white2: hsl(0, 0%, 98%);
    --orange-yellow-crayola: hsl(45, 100%, 72%);
    --vegas-gold: hsl(45, 54%, 58%);
    --light-gray: hsl(0, 0%, 84%);
    --light-gray70: hsla(0, 0%, 84%, .7);
    --bittersweet-shimmer: hsl(0, 43%, 51%);

--ff-poppins: 'Poppins', sans-serif;

--fs1: 24px;
    --fs2: 18px;
    --fs3: 17px;
    --fs4: 16px;
    --fs5: 15px;
    --fs6: 14px;
    --fs7: 13px;
    --fs8: 12px;

--fw300: 300;
    --fw400: 400;
    --fw500: 500;
    --fw600: 600;

--shadow1: -4px 8px 24px hsla(0, 0%, 0%, .25);
    --shadow2: 0px 16px 30px hsla(0, 0%, 0%, .25);
    --shadow3: 0px 16px 40px hsla(0, 0%, 0%, .25);
    --shadow4: 0px 25px 50px hsla(0, 0%, 0%, .15);
    --shadow5: 0px 24px 80px hsla(0, 0%, 0%, .25);

--transition1: .25s ease;
    --transition2: .5s ease-in-out;
}

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

a {text-decoration: none; }

li {list-style: none; }

img, ion-icon, a, button, time, span { display: block; }

button {
    font: inherit;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
}

input, textarea {
    display: block;
    width: 100%;
    background: none;
    font: inherit;
}

::selection {
    background: var(--orange-yellow-crayola);
    color: var(--smoky-black);
}

:focus { outline-color: var(--orange-yellow-crayola); }

html { font-family: var(--ff-poppins); }

body { background: var(--smoky-black); }

main {
    margin: 15px 12px;
    margin-bottom: 75px;
    min-width: 259px;
}

.sidebar, article {
    background: var(--eerie-black2);
    border: 1px solid var(--jet);
    border-radius: 20px;
    box-shadow: var(--shadow1);
    z-index: 1;
    padding: 15px;
}

.sidebar.active { max-height: 405px; }

.separator {
    width: 100%;
    height: 1px;
    background: var(--jet);
    margin: 16px 0;
}

.icon-box {
    position: relative;
    background: var(--border-gradient-onyx);
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    color: var(--orange-yellow-crayola);
    box-shadow: var(--shadow1);
    z-index: 1;
}

.icon-box::before {
        content: '';
        position: absolute;
        inset: 1px;
        background: var(--eerie-black1);
        border-radius: inherit;
        z-index: -1;
    }

.icon-box ion-icon { --ionicon-stroke-width: 35px; }

article { display: none; }

article.active { 
        display: block;
        animation: fade .5s ease backwards;
    }

@keyframes fade {
            0% { opacity: 0; }
            100% { opacity: 1; }
        }

.h2, .h3, .h4, .h5 { 
    color: var(--white2);
    text-transform: capitalize;
}

.h2 { font-size: var(--fs1); }
    .h3 { font-size: var(--fs2); }
    .h4 { font-size: var(--fs4); }
    .h5 { 
        font-size: var(--fs7);
        font-weight: var(--fw500); 
    }

.article-title {
    position: relative;
    padding-bottom: 7px;
}

.article-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 30px;
        height: 3px;
        background: var(--text-gradient-yellow);
        border-radius: 3px;
    }

.has-scrollbar::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

.has-scrollbar::-webkit-scrollbar-track {
    background: var(--onyx);
    border-radius: 5px;
}

.has-scrollbar::-webkit-scrollbar-thumb {
    background: var(--orange-yellow-crayola);
    border-radius: 5px;
}

.has-scrollbar::-webkit-scrollbar-button { width: 20px; }

.content-card {
    position: relative;
    background: var(--border-gradient-onyx);
    padding: 15px;
    padding-top: 45px;
    border-radius: 14px;
    box-shadow: var(--shadow2);
    cursor: pointer;
    z-index: 1;
}

.content-card::before {
        content: '';
        position: absolute;
        inset: 1px;
        background: var(--bg-gradient-jet);
        border-radius: inherit;
        z-index: -1;
    }

/*ASIDE - SIDEBAR*/

.sidebar {
    margin-bottom: 15px;
    max-height: 112px;
    overflow: hidden;
    padding: 15px;
    transition: var(--transition2);
}

.sidebar-info {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 15px;
}

.avatar-box {
    background: var(--bg-gradient-onyx);
    border-radius: 20px;
}

.info-content .name {
    color: var(--white2);
    font-size: var(--fs3);
    font-weight: var(--fw500);
    letter-spacing: -0.25px;
    margin-bottom: 10px;
}

.info-content .title {
    color: var(--white1);
    background: var(--onyx);
    font-size: var(--fs8);
    font-weight: var(--fw300);
    width: max-content;
    padding: 3px 12px;
    border-radius: 8px;
}

.info-more-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    border-radius: 0 15px;
    font-size: 13px;
    color: var(--orange-yellow-crayola);
    background: var(--border-gradient-onyx);
    padding: 10px;
    box-shadow: var(--shadow2);
    transition: var(--transition1);
    z-index: 1;
}

.info-more-btn::before {
        content: '';
        position: absolute;
        inset: 1px;
        border-radius: inherit;
        background: var(--bg-gradient-jet);
        transition: var(--transition1);
        z-index: -1;
    }

.info-more-btn:hover, .info-more-btn:focus { background: var(--bg-gradient-yellow1); }
        .info-more-btn:hover::before, .info-more-btn:focus::before { background: var(--bg-gradient-yellow2); }

.info-more-btn span { display: none; }

.sidebar-info-more {
    opacity: 0;
    visibility: hidden;
    transition: var(--transition2);
}

.sidebar.active .sidebar-info-more {
        opacity: 1;
        visibility: visible;
    }

.contacts-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.contact-item {
    min-width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-info {
    max-width: calc(100% - 46px);
    width: calc(100% - 46px);
}

.contact-info :is(.contact-link, time, address) {
        color: var(--white2);
        font-size: var(--fs7);
    }

.contact-info address { font-style: normal; }

.contact-title {
    color: var(--light-gray70);
    font-size: var(--fs8);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.social-list {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 15px;
    padding-bottom: 4px;
    padding-left: 7px;
}

.social-item .social-link {
    color: var(--light-gray70);
    font-size: 18px;
}

.social-item .social-link:hover { color: var(--light-gray); }

/*NAVBAR*/

.navbar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: hsla(240, 1%, 17%, .75);
    backdrop-filter: blur(10px);
    border: 1px solid var(--jet);
    border-radius: 12px 12px 0 0;
    box-shadow: var(--shadow2);
    z-index: 5;
}

.navbar-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 0 10px;
}

.navbar-link {
    color: var(--light-gray);
    font-size: var(--fs8);
    padding: 20px 7px;
    transition: color var(--transition1);
}

.navbar-link:hover, .navbar-link:focus { color: var(--light-gray70); }
    .navbar-link.active { color: var(--orange-yellow-crayola); }

/*ABOUT*/

.about .article-title { 
    margin-bottom: 15px;
    margin-top: 15px;
}

.about-text {
    color: var(--light-gray);
    font-size: var(--fs6);
    font-weight: var(--fw300);
    line-height: 1.6;
}

.about-text p { 
        margin-bottom: 15px;
        text-align: justify;
        padding-left: 10px;
        padding-right: 10px;
     }

.service { margin-bottom: 35px; }

.service-title { margin-bottom: 20px; }

.service-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.service-item {
    position: relative;
    background: var(--border-gradient-onyx);
    padding: 20px;
    border-radius: 14px;
    box-shadow: var(--shadow2);
    z-index: 1;
}

.service-item::before {
        content: '';
        position: absolute;
        inset: 1px;
        background: var(--bg-gradient-jet);
        border-radius: inherit;
        z-index: -1;
    }

.service-icon-box { margin-bottom: 10px; }
    .service-icon-box img { margin: auto; }

.service-content-box { text-align: center; }
.service-item-title { margin-bottom: 7px; }

.service-item-text {
    color: var(--light-gray);
    font-size: var(--fs6);
    font-weight: var(--fw300);
    line-height: 1.6;
}

/*TESTIMONIALS*/

.testimonials { margin-bottom: 30px; }
.testimonials-title { margin-bottom: 20px; }

.testimonials-list {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 15px;
    margin: 0 -15px;
    padding: 25px 15px;
    padding-bottom: 35px;
    overflow-x: auto;
    scroll-behavior: smooth;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
}

.testimonials-item {
    min-width: 100%;
    scroll-snap-align: center;
}

.testimonials-avatar-box {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(15px, -25px);
    background: var(--bg-gradient-onyx);
    border-radius: 14px;
    box-shadow: var(--shadow1);
}

.testimonials-text {
    color: var(--light-gray);
    font-size: var(--fs6);
    font-weight: var(--fw300);
    line-height: 1.6;
    display: -webkit-box;
    line-clamp: 4;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/*MODAL CONTAINER*/

.modal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
    overscroll-behavior: contain;
    z-index: 20;
    pointer-events: none;
    visibility: hidden;
}

.modal-container::-webkit-scrollbar { display: none; }

.modal-container.active {
        pointer-events: all;
        visibility: visible;
    }

.modal-container.active .testimonials-modal {
            transform: scale(1);
            opacity: 1;
        }

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: hsl(0, 0%, 5%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 1;
    transition: var(--transition1);
}

.overlay.active {
        opacity: .8;
        visibility: visible;
        pointer-events: all;
    }

.testimonials-modal {
    background: var(--eerie-black2);
    position: relative;
    padding: 15px;
    margin: 15px 12px;
    border: 1px solid var(--jet);
    border-radius: 14px;
    box-shadow: var(--shadow5);
    transform: scale(1.2);
    opacity: 0;
    transition: var(--transition1);
    z-index: 2;
}

.modal-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--onyx);
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--white2);
    font-size: 18px;
    opacity: .7;
}

.modal-close-btn:hover, .modal-close-btn:focus { opacity: 1; }
    .modal-close-btn ion-icon { --ionicon-stroke-width: 50px; }

.modal-avatar-box {
    background: var(--bg-gradient-onyx);
    width: max-content;
    border-radius: 14px;
    margin-bottom: 15px;
    box-shadow: var(--shadow2);
}

.modal-img-wrapper > img { display: none; }

.modal-title { margin-bottom: 4px; }

.modal-content time {
    font-size: var(--fs6);
    color: var(--light-gray70);
    font-weight: var(--fw500);
    margin-bottom: 10px;
}

.modal-content p {
    color: var(--light-gray);
    font-size: var(--fs6);
    font-weight: var(--fw300);
    line-height: 1.6;
}

/*CLIENTS*/

.clients { margin-bottom: 15px; }

.clients-list {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 15px;
    margin: 0 -15px;
    padding: 25px;
    padding-bottom: 25px;
    overflow-x: auto;
    scroll-behavior: smooth;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scroll-padding-inline: 25px;
}

.clients-item {
    min-width: 50%;
    scroll-snap-align: start;
}

.clients-item img {
        width: 100%;
        filter: grayscale(1);
        transition: var(--transition1);
    }

.clients-item img:hover { filter: grayscale(0);}

/*RESUME*/

.article-title { margin-bottom: 30px; }

.timeline { margin-bottom: 30px; }

.timeline .title-wrapper {
        display: flex;
        align-items: center;
        gap: 15px;
        margin-bottom: 25px;
    }

.timeline-list {
    font-size: var(--fs6);
    margin-left: 45px;
}

.timeline-list span {
        color: var(--vegas-gold);
        font-weight: var(--fw400);
        line-height: 1.6;
    }

.timeline-item { position: relative; }

.timeline-item:not(:last-child) { margin-bottom: 20px; }
        .timeline-item:not(:last-child)::before {
            content: '';
            position: absolute;
            top: -25px;
            left: -30px;
            width: 1px;
            height: calc(100% + 50px);
            background: var(--jet);
        }

.timeline-item::after {
        content: '';
        position: absolute;
        top: 5px;
        left: -33px;
        height: 6px;
        width: 6px;
        border-radius: 50%;
        background: var(--text-gradient-yellow);
        box-shadow: 0 0 0 4px var(--jet);
    }

.timeline-item-title {
    font-size: var(--fs6);
    line-height: 1.3;
    margin-bottom: 7px;
}

.timeline-text {
    color: var(--light-gray);
    font-weight: var(--fw300);
    line-height: 1.6;
    text-align: justify;
}

/*SKILLS*/

.skills-title { margin-bottom: 20px; }

.skills-list { padding: 20px; }

.skills-item:not(:last-child) {margin-bottom: 15px; }

.skill .title-wrapper {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 8px;
}

.skill .title-wrapper data {
        color: var(--light-gray);
        font-size: var(--fs7);
        font-weight: var(--fw300);
    }

.skills-progress-bg {
    background: var(--jet);
    width: 100%;
    height: 8px;
    border-radius: 10px;
}

.skills-progress-fill {
    background: var(--text-gradient-yellow);
    height: 100%;
    border-radius: inherit;
}

/*PORTFOLIO*/

.filter-list { display: none; }

.filter-select-box { 
    position: relative;
    margin-bottom: 25px;
}

.filter-select {
    background: var(--eerie-black2);
    color: var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--jet);
    border-radius: 14px;
    font-size: var(--fs6);
    font-weight: var(--fw300);
}

.filter-select.active .select-icon { transform: rotate(0.5turn); }

.select-list {
    background: var(--eerie-black2);
    position: absolute;
    top: calc(100% + 6px);
    width: 100%;
    padding: 6px;
    border: 1px solid var(--jet);
    border-radius: 14px;
    z-index: 2;
    visibility: hidden;
    pointer-events: none;
    transition: .5s ease-in-out;
}

.filter-select.active + .select-list {
        opacity: 1;
        visibility: visible;
        pointer-events: all;
    }

.select-item button {
    background: var(--eerie-black2);
    color: var(--light-gray);
    font-size: var(--fs6);
    font-weight: var(--fw300);
    text-transform: capitalize;
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
}

.select-item button:hover { --eerie-black2: hsl(240, 2%, 20%); }

.project-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 10px;
}

.project-item { display: none; }

.project-item.active {
        display: block;
        animation: scaleUp .25s ease forwards;
    }

@keyframes scaleUp {
            0% { transform: scale(0.5); }
            100% { transform: scale(1); }
        }

.project-item > a { width: 100%; }

.project-img {
    position: relative;
    width: 100%;
    height: 200px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 15px;
}

.project-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition1);
    }

.project-img::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        z-index: 1;
        transition: var(--transition1);
    }

.project-item > a:hover img { transform: scale(1.1); }

.project-item > a:hover .project-img::before { background: hsla(0, 0%, 0%, .5); }

.project-item-icon-box {
    --scale: .8;

background: var(--jet);
    color: var(--orange-yellow-crayola);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(var(--scale));
    font-size: 20px;
    padding: 18px;
    border-radius: 12px;
    opacity: 0;
    z-index: 1;
    transition: var(--transition1);
}

.project-item > a:hover .project-item-icon-box {
        --scale: 1;
        opacity: 1;
    }

.project-item-icon-box ion-icon { --ionicon-stroke-width: 50px; }

.project-title, .project-category { margin-left: 10px; }

.project-title {
        color: var(--white2);
        font-size: var(--fs5);
        font-weight: var(--fw400);
        text-transform: capitalize;
        line-height: 1.3;
    }

.project-category {
        color: var(--light-gray70);
        font-size: var(--fs6);
        font-weight: var(--fw300);
    }

/*BLOG*/

.blog-posts { margin-bottom: 10px; }

.blog-posts-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.blog-posts-item > a {
    position: relative;
    background: var(--border-gradient-onyx);
    height: 100%;
    box-shadow: var(--shadow4);
    border-radius: 16px;
    z-index: 1;
}

.blog-posts-item > a::before {
        content: '';
        position: absolute;
        inset: 1px;
        border-radius: inherit;
        background: var(--eerie-black1);
        z-index: -1;
    }

.blog-banner-box {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
}

.blog-banner-box img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition1);
    }

.blog-content { padding: 15px; }

.blog-meta {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 7px;
    margin-bottom: 10px;
}

.blog-meta :is(.blog-category, time) {
        color: var(--light-gray70);
        font-size: var(--fs6);
        font-weight: var(--fw300);
    }

.blog-meta .dot {
        background: var(--light-gray70);
        width: 4px;
        height: 4px;
        border-radius: 4px;
    }

.blog-item-title {
    margin-bottom: 10px;
    line-height: 1.3;
    transition: var(--transition1);
}

.blog-post-item > a:hover .blog-item-title { color: var(--orange-yellow-crayola); }

.blog-text {
    color: var(--light-gray);
    font-size: var(--fs6);
    font-weight: var(--fw300);
    line-height: 1.6;
    text-align: justify;
}

/*CONTACT*/

.mapbox {
    position: relative;
    height: 250px;
    width: 100%;
    border-radius: 16px;
    margin-bottom: 30px;
    border: 1px solid var(--jet);
    overflow: hidden;
}

.mapbox figure { height: 100%; }

.mapbox iframe {
        width: 100%;
        height: 100%;
        border: none;
        filter: grayscale(1) invert(1);
    }

.contact-form { margin-bottom: 10px; }

.form-title { margin-bottom: 20px; }

.input-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.form-input {
    color: var(--white2);
    font-size: var(--fs6);
    font-weight: var(--fw400);
    padding: 13px 20px;
    border: 1px solid var(--jet);
    border-radius: 14px;
    outline: none;
}

.form-input::placeholder { font-weight: var(--fw500); }
    .form-input:focus { border-color: var(--orange-yellow-crayola); }
        .form-input:focus:invalid { border-color: var(--bittersweet-shimmer); }

textarea.form-input {
    min-height: 100px;
    height: 120px;
    max-height: 200px;
    resize: vertical;
    margin-bottom: 25px;
}

textarea.form-input::-webkit-realizer { display: none; }

.form-btn {
    position: relative;
    width: 100%;
    background: var(--border-gradient-onyx);
    color: var(--orange-yellow-crayola);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 13px 20px;
    border-radius: 14px;
    font-size: var(--fs6);
    text-transform: capitalize;
    box-shadow: var(--shadow3);
    z-index: 1;
    transition: var(--transition1);
}

.form-btn::before {
        content: '';
        position: absolute;
        inset: 1px;
        background: var(--bg-gradient-jet);
        border-radius: inherit;
        z-index: -1;
        transition: var(--transition1);
    }

.form-btn ion-icon { font-size: 16px; }
    .form-btn:hover { background: var(--bg-gradient-yellow1); }
        .form-btn::before { background: var(--bg-gradient-yellow2); }

.form-btn:disabled {
        opacity: .7;
        cursor: not-allowed;
    }

.form-btn:disabled:hover { background: var(--border-gradient-onyx); }
            .form-btn:disabled:hover::before { background: var(--bg-gradient-jet); }

/*MEDIA QUERIES*/

@media (min-width: 450px) {
    .clients-item { min-width: calc(33.33% - 10px); }

.project-img, .blog-banner-box { height: auto; }
}

@media (min-width: 580px) {
    :root {
        --fs1: 32px;
        --fs2: 24px;
        --fs3: 26px;
        --fs4: 18px;
        --fs6: 15px;
        --fs7: 15px;
        --fs8: 12px;
    }

.sidebar, article {
        width: 520px;
        margin-inline: auto;
        padding: 30px;
    }

.article-title {
        font-weight: var(--fw600);
        padding-bottom: 15px;
    }

.article-title::after {
            width: 40px;
            height: 5px;
        }

.icon-box {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        font-size: 18px;
    }

main {
        margin-top: 60px;
        margin-bottom: 100px;
    }

.sidebar {
        max-height: 180px;
        margin-bottom: 30px;
    }

.sidebar.active { max-height: 584px; }

.sidebar-info { gap: 25px; }

.avatar-box { border-radius: 30px; }
        .avatar-box img { width: 120px; }

.info-content .name { margin-bottom: 15px; }
    .info-content .title { padding: 5px 10px; }

.info-more-btn {
        top: -30px;
        right: -30px;
        padding: 10px 15px;
    }

.info-more-btn span {
            display: block;
            font-size: var(--fs8);
        }

.info-more-btn ion-icon { display: none; }

.separator { margin: 32px 0; }

.contacts-list { gap: 20px; }

.contact-info {
        max-width: calc(100% - 64px);
        width: calc(100% - 64px);
    }

.navbar { border-radius: 20px 20px 0 0; }

.navbar-list { gap: 20px; }
    .navbar-link { --fs8: 14px; }

.about .article-title { margin-bottom: 20px; }
    .about-text { margin-bottom: 40px; }

.service-item {
        display: flex;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 18px;
        padding: 30px;
    }

.service-icon-box {
        margin-bottom: 0;
        margin-top: 5px;
    }

.service-content-box { text-align: left; }

.testimonials-title { margin-bottom: 25px; }

.testimonials-list {
        gap: 30px;
        margin: 0 -30px;
        padding: 30px;
        padding-bottom: 35px;
    }

.content-card {
        padding: 30px;
        padding-top: 25px;
    }

.testimonials-avatar-box {
        transform: translate(30px, -30px);
        border-radius: 28px;
    }

.testimonials-avatar-box img { width: 80px; }

.testimonials-item-title {
        margin-bottom: 10px;
        margin-left: 95px;
    }

.testimonials-text {
        line-clamp: 2;
        -webkit-line-clamp: 2;
    }

.modal-container {padding: 20px; }

.testimonials-modal {
        display: flex;
        justify-content: flex-start;
        align-items: stretch;
        gap: 25px;
        padding: 30px;
        border-radius: 20px;
    }

.modal-img-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

.modal-avatar-box {
        border-radius: 18px;
        margin-bottom: 0;
    }

.modal-avatar-box img { width: 65px; }

.modal-img-wrapper > img {
        display: block;
        position: relative;
        /* flex-grow: 1; */
        width: 35px;
        top: 50px;
    }

.clients-list {
        gap: 25px;
        margin: 0 -30px;
        padding: 45px;
        scroll-padding-inline: 45px;
    }

.clients-item { min-width: calc(33..33% - 35px); }

.timeline-list { margin-left: 65px; }

.timeline-item:not(:last-child)::before { left: -40px; }

.timeline-item::after {
        height: 8px;
        width: 8px;
        left: -43px;
    }

.skills-item:not(:last-child) { margin-bottom: 25px; }

.project-img, .blog-banner-box { border-radius: 16px; }

.blog-posts-list { gap: 30px; }

.blog-content { padding: 25px; }

.mapbox {
        height: 380px;
        border-radius: 18px;
    }

.input-wrapper {
        gap: 30px;
        margin-bottom: 30px;
    }

.form-input { padding: 15px 20px; }

textarea.form-input { margin-bottom: 30px; }

.form-btn {
        --fs-6: 16px;
        padding: 16px 20px;
    }

.form-btn ion-icon { font-size: 18px; }
}

@media (min-width: 768px) {

.sidebar, article { width: 700px; }

.has-scrollbar::-webkit-scrollbar-button { width: 100px; }

.contacts-list {
        grid-template-columns: 1fr 1fr;
        gap: 30px 15px;
    }

.navbar-link { --fs8: 15px; }

.testimonials-modal {
        gap: 35px;
        max-width: 680px;
    }

.modal-avatar-box img { width: 80px; }

.article-title { padding-bottom: 20px; }

.filter-select-box { display: none; }

.filter-list {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        gap: 25px;
        padding-left: 5px;
        margin-bottom: 30px;
    }

.filter-item button {
        color: var(--light-gray);
        font-size: var(--fs5);
        transition: var(--transition1);
    }

.filter-item button:hover { color: var(--light-gray70); }
        .filter-item button.active { color: var(--orange-yellow-crayola); }

.project-list, .blog-posts-list { grid-template-columns: 1fr 1fr; }

.input-wrapper { grid-template-columns: 1fr 1fr; }

.form-btn {
        width: max-content;
        margin-left: auto;
    }
}

@media (min-width: 1024px) {

:root {
        --shadow1: -4px 8px 24px hsla(0, 0%, 0%, .125);
        --shadow2: 0px 16px 30px hsla(0, 0%, 0%, .125);
        --shadow3: 0px 16px 40px hsla(0, 0%, 0%, .125);
    }

.sidebar, article {
        width: 950px;
        box-shadow: var(--shadow5);
    }

main { margin-bottom: 60px; }

.main-content {
        position: relative;
        width: max-content;
        margin: auto;
    }

.navbar {
        position: absolute;
        bottom: auto;
        top: 0;
        left: auto;
        right: 0;
        width: max-content;
        border-radius: 0 20px;
        padding: 0 20px;
        box-shadow: none;
    }

.navbar-list {
        gap: 30px;
        padding: 0 20px;
    }

.navbar-link { font-weight: var(--fw500); }

.service-list {
        grid-template-columns: 1fr 1fr;
        gap: 20px 25px;
    }

.testimonials-item { min-width: calc(50% - 15px); }

.modal-img-wrapper > img { top: 20px; }

.clients-item { min-width: calc(25% - 15px); }

.project-list { grid-template-columns: repeat(3, 1fr); }

.blog-banner-box { height: 230px; }
}

@media (min-width: 1250px) {

body::-webkit-scrollbar { width: 20px; }
    body::-webkit-scrollbar-track { background: var(--smoky-black); }

body::-webkit-scrollbar-thumb {
        border: 5px solid var(--smoky-black);
        background: hsla(0, 0%, 100%, .1);
        border-radius: 20px;
        box-shadow: inset 1px 1px 0 hsla(0, 0%, 100%, .11), inset -1px -1px 0 hsla(0, 0%, 100%, .11);
    }

body::-webkit-scrollbar-thumb:hover { background: hsla(0, 0%, 100%, .15); }
    body::-webkit-scrollbar-button { height: 60px; }

.sidebar, article { width: auto; }

article { min-height: 100%; }

main {
        max-width: 1200px;
        margin-inline: auto;
        display: flex;
        justify-content: center;
        align-items: stretch;
        gap: 25px;
    }

.main-content {
        min-width: 75%;
        width: 75%;
        margin: 0;
    }

.sidebar {
        position: sticky;
        top: 60px;
        max-height: max-content;
        height: 100%;
        margin-bottom: 0;
        padding-top: 60px;
        z-index: 1;
    }

.sidebar-info { flex-direction: column; }

.avatar-box img { width: 150px; }

.info-content .name {
        white-space: nowrap;
        text-align: center;
    }

.info-content .title { margin: auto; }

.info-more-btn { display: none; }

.sidebar-info-more {
        opacity: 1;
        visibility: visible;
    }

.contacts-list { grid-template-columns: 1fr; }

.contact-info :is(.contact-link) {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

.contact-info :is(.contact-link, time, address) {
        --fs7: 14px;
        font-weight: var(--fw300);
    }

.separator:last-of-type {
        margin: 15px 0;
        opacity: 0;
    }

.social-list { justify-content: center; }

.timeline-text { max-width: 700px; }
}

JS

'use strict';

//Opening or closing side bar

const elementToggleFunc = function (elem) { elem.classList.toggle("active"); }

const sidebar = document.querySelector("[data-sidebar]");
const sidebarBtn = document.querySelector("[data-sidebar-btn]");

sidebarBtn.addEventListener("click", function() {elementToggleFunc(sidebar); })

//Activating Modal-testimonial

const testimonialsItem = document.querySelectorAll('[data-testimonials-item]');
const modalContainer = document.querySelector('[data-modal-container]');
const modalCloseBtn = document.querySelector('[data-modal-close-btn]');
const overlay = document.querySelector('[data-overlay]');

const modalImg = document.querySelector('[data-modal-img]');
const modalTitle = document.querySelector('[data-modal-title]');
const modalText = document.querySelector('[data-modal-text]');

const testimonialsModalFunc = function () {
    modalContainer.classList.toggle('active');
    overlay.classList.toggle('active');
}

for (let i = 0; i < testimonialsItem.length; i++) {
    testimonialsItem[i].addEventListener('click', function () {
        modalImg.src = this.querySelector('[data-testimonials-avatar]').src;
        modalImg.alt = this.querySelector('[data-testimonials-avatar]').alt;
        modalTitle.innerHTML = this.querySelector('[data-testimonials-title]').innerHTML;
        modalText.innerHTML = this.querySelector('[data-testimonials-text]').innerHTML;

testimonialsModalFunc();
    })
}

//Activating close button in modal-testimonial

modalCloseBtn.addEventListener('click', testimonialsModalFunc);
overlay.addEventListener('click', testimonialsModalFunc);

//Activating Filter Select and filtering options

const select = document.querySelector('[data-select]');
const selectItems = document.querySelectorAll('[data-select-item]');
const selectValue = document.querySelector('[data-select-value]');
const filterBtn = document.querySelectorAll('[data-filter-btn]');

select.addEventListener('click', function () {elementToggleFunc(this); });

for(let i = 0; i < selectItems.length; i++) {
    selectItems[i].addEventListener('click', function() {

let selectedValue = this.innerText.toLowerCase();
        selectValue.innerText = this.innerText;
        elementToggleFunc(select);
        filterFunc(selectedValue);

});
}

const filterItems = document.querySelectorAll('[data-filter-item]');

//Enabling filter button for larger screens

let lastClickedBtn = filterBtn[0];

for (let i = 0; i < filterBtn.length; i++) {
    
    filterBtn[i].addEventListener('click', function() {

let selectedValue = this.innerText.toLowerCase();
        selectValue.innerText = this.innerText;
        filterFunc(selectedValue);

lastClickedBtn.classList.remove('active');
        this.classList.add('active');
        lastClickedBtn = this;

})
}

// Enabling Contact Form

const form = document.querySelector('[data-form]');
const formInputs = document.querySelectorAll('[data-form-input]');
const formBtn = document.querySelector('[data-form-btn]');

for(let i = 0; i < formInputs.length; i++) {
    formInputs[i].addEventListener('input', function () {
        if(form.checkValidity()) {
            formBtn.removeAttribute('disabled');
        } else { 
            formBtn.setAttribute('disabled', '');
        }
    })
}

// Enabling Page Navigation

const navigationLinks = document.querySelectorAll('[data-nav-link]');
const pages = document.querySelectorAll('[data-page]');

for(let i = 0; i < navigationLinks.length; i++) {
    navigationLinks[i].addEventListener('click', function() {
        
        for(let i = 0; i < pages.length; i++) {
            if(this.innerHTML.toLowerCase() == pages[i].dataset.page) {
                pages[i].classList.add('active');
                navigationLinks[i].classList.add('active');
                window.scrollTo(0, 0);
            } else {
                pages[i].classList.remove('active');
                navigationLinks[i]. classList.remove('active');
            }
        }
    });
}

Developer Portfolio: Web, Apps, Design - Dawid Wróbel

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