@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 {
    --black: #0a0a0f;
    --dark-purple: #1a1a2f;
    --purple-dark: #2d1b69;
    --purple-medium: #6d28d9;
    --purple-light: #8b5cf6;
    --purple-lighter: #a78bfa;
    --purple-glow: rgba(168, 85, 247, 0.4);
    --white: #f8fafc;
    --gray-light: #cbd5e1;
    
    --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: 0 6px 20px rgba(109, 40, 217, 0.15);
    --shadow2: 0 10px 30px rgba(109, 40, 217, 0.2);
    --shadow-glow: 0 0 20px var(--purple-glow);

    --transition1: .25s ease;
    --transition2: .4s ease;
}

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

a {text-decoration: none; }

li {list-style: none; }

img, i, a, button, time, span { display: block; }

button {
    font: inherit;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: var(--transition1);
}

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

::selection {
    background: var(--purple-light);
    color: var(--white);
}

:focus { outline-color: var(--purple-light); }

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

body { 
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-purple) 100%);
    min-height: 100vh;
}

main {
    margin: 20px 15px;
    margin-bottom: 80px;
    min-width: 259px;
}

.side, article {
    background: var(--dark-purple);
    border: 1px solid var(--purple-medium);
    border-radius: 20px;
    box-shadow: var(--shadow1), var(--shadow-glow);
    z-index: 1;
    padding: 20px;
    transition: var(--transition1);
    position: relative;
    overflow: hidden;
}

.side::before, article::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(45deg, var(--purple-light), var(--purple-lighter));
    z-index: -1;
    border-radius: 21px;
    opacity: 0.2;
    transition: var(--transition1);
}

.side:hover::before, article:hover::before {
    opacity: 0.4;
}

.side:hover, article:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow2), var(--shadow-glow);
}

.side.active { 
    max-height: 420px;
}

.separator {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--purple-light), transparent);
    margin: 20px 0;
    opacity: 0.4;
}

.icon-box {
    position: relative;
    background: linear-gradient(135deg, var(--purple-medium), var(--purple-light));
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    color: var(--white);
    box-shadow: var(--shadow1);
    z-index: 1;
    transition: var(--transition1);
    border: 1px solid var(--purple-lighter);
}

.icon-box:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow2);
}

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

article { 
    display: none;
}

article.active { 
    display: block;
    animation: fadeInUp .4s ease;
}

@keyframes fadeInUp {
    0% { 
        opacity: 0;
        transform: translateY(20px);
    }
    100% { 
        opacity: 1;
        transform: translateY(0);
    }
}

.h2, .h3, .h4, .h5 { 
    color: var(--white);
    text-transform: capitalize;
    text-shadow: 0 2px 8px var(--purple-glow);
}

.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: 12px;
    margin-bottom: 25px;
}

.article-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--purple-light), var(--purple-lighter));
    border-radius: 3px;
    box-shadow: 0 0 10px var(--purple-glow);
    transition: var(--transition1);
}

.article-title:hover::after {
    width: 80px;
}

.side {
    margin-bottom: 20px;
    max-height: 130px;
    overflow: hidden;
    padding: 20px;
    transition: var(--transition2);
}

.side-info {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 20px;
}

.avatar-box {
    background: linear-gradient(135deg, var(--purple-medium), var(--purple-light));
    border-radius: 50%;
    padding: 4px;
    box-shadow: var(--shadow1);
    transition: var(--transition1);
    border: 2px solid var(--purple-lighter);
}

.avatar-box:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow2);
}

.avatar-box img {
    border-radius: 50%;
    width: 80px;
    height: 80px;
    object-fit: cover;
    filter: grayscale(20%) contrast(110%);
    transition: var(--transition1);
}

.avatar-box:hover img {
    filter: grayscale(0%) contrast(120%);
}

.info-content .name {
    color: var(--white);
    font-size: var(--fs3);
    font-weight: var(--fw600);
    letter-spacing: -0.25px;
    margin-bottom: 8px;
    text-shadow: 0 2px 8px var(--purple-glow);
}

.info-content .title {
    color: var(--white);
    background: linear-gradient(135deg, var(--purple-medium), var(--purple-light));
    font-size: var(--fs8);
    font-weight: var(--fw400);
    width: max-content;
    padding: 6px 15px;
    border-radius: 12px;
    border: 1px solid var(--purple-lighter);
    box-shadow: 0 4px 12px var(--purple-glow);
    transition: var(--transition1);
}

.info-content .title:hover {
    transform: translateY(-2px);
}

.more-info-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    border-radius: 50%;
    font-size: 14px;
    color: var(--white);
    background: linear-gradient(135deg, var(--purple-medium), var(--purple-light));
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow1);
    transition: var(--transition1);
    z-index: 1;
    border: 1px solid var(--purple-lighter);
}

.more-info-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow2);
}

.more-info-btn::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: var(--purple-dark);
    z-index: -1;
}

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

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

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

.stuff-item {
    min-width: 100%;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 15px;
    border-radius: 12px;
    transition: var(--transition1);
    border: 1px solid transparent;
}

.stuff-item:hover {
    background: linear-gradient(135deg, var(--purple-dark), transparent);
    transform: translateX(5px);
    border-color: var(--purple-light);
}

.stuff-info {
    max-width: calc(100% - 60px);
    width: calc(100% - 60px);
}

.stuff-info :is(.stuff-link, time, address) {
    color: var(--white);
    font-size: var(--fs7);
    transition: var(--transition1);
}

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

.stuff-title {
    color: var(--purple-lighter);
    font-size: var(--fs8);
    text-transform: uppercase;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.social-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 15px 0;
}

.social-item .social-link {
    color: var(--purple-lighter);
    font-size: 20px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple-dark), var(--purple-medium));
    transition: var(--transition1);
    border: 2px solid transparent;
    box-shadow: var(--shadow1);
}

.social-item .social-link:hover { 
    color: var(--white);
    transform: translateY(-3px);
    border-color: var(--purple-lighter);
    background: linear-gradient(135deg, var(--purple-medium), var(--purple-light));
}

.about .article-title { 
    margin-bottom: 25px;
    margin-top: 15px;
}

.about-text {
    color: var(--gray-light);
    font-size: var(--fs6);
    font-weight: var(--fw300);
    line-height: 1.7;
    text-shadow: 0 1px 3px var(--purple-glow);
}

.about-text p { 
    margin-bottom: 25px;
    text-align: justify;
    padding: 0 15px;
    transition: var(--transition1);
 }

 .about-text p:hover {
    color: var(--white);
    transform: translateX(5px);
 }

.things {
    margin-top: 30px;
}

.things.active {
    display: block;
    animation: fadeInUp .4s ease;
}

.things-content {
    margin-top: 25px;
}

.things-list {
    display: flex;
    justify-content: flex-start;
    align-items: stretch;
    gap: 15px;
    margin: 0 -15px;
    padding: 20px 15px;
    padding-bottom: 30px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
}

.thing-item {
    min-width: calc(100vw - 60px);
    max-width: calc(100vw - 60px);
    scroll-snap-align: center;
    flex-shrink: 0;
}

.thing-card {
    background: var(--dark-purple);
    border: 1px solid var(--purple-medium);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow1), var(--shadow-glow);
    transition: var(--transition1);
    position: relative;
    overflow: hidden;
    height: 100%;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.thing-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(45deg, var(--purple-light), var(--purple-lighter));
    z-index: -1;
    border-radius: 17px;
    opacity: 0.2;
    transition: var(--transition1);
}

.thing-card:hover::before {
    opacity: 0.4;
}

.thing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow2), var(--shadow-glow);
}

.thing-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.thing-header img {
    border-radius: 10px;
    filter: grayscale(20%) contrast(110%);
    transition: var(--transition1);
    width: 40px;
    height: 40px;
    object-fit: cover;
}

.thing-card:hover .thing-header img {
    filter: grayscale(0%) contrast(120%);
    transform: scale(1.05);
}

.thing-header h4 {
    color: var(--white);
    font-size: var(--fs4);
    margin: 0;
    font-weight: var(--fw500);
    text-shadow: 0 1px 3px var(--purple-glow);
}

.thing-desc {
    color: var(--gray-light);
    font-size: var(--fs6);
    line-height: 1.5;
    margin-bottom: 15px;
    opacity: 0.8;
    flex-grow: 1;
}

.thing-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.thing-tech span {
    background: linear-gradient(135deg, var(--purple-medium), var(--purple-light));
    color: var(--white);
    padding: 4px 10px;
    border-radius: 16px;
    font-size: var(--fs8);
    border: 1px solid var(--purple-lighter);
    transition: var(--transition1);
    box-shadow: 0 2px 6px var(--purple-glow);
}

.thing-tech span:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--purple-glow);
}

.has-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.has-scrollbar::-webkit-scrollbar-track {
    background: var(--purple-dark);
    border-radius: 8px;
}

.has-scrollbar::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--purple-light), var(--purple-lighter));
    border-radius: 8px;
}

.has-scrollbar::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--purple-lighter), var(--white));
}

@media (min-width: 580px) {
    :root {
        --fs1: 28px;
        --fs2: 22px;
        --fs3: 18px;
        --fs4: 16px;
        --fs6: 14px;
        --fs7: 13px;
        --fs8: 12px;
    }

    .side, article {
        width: 540px;
        margin-inline: auto;
        padding: 25px;
    }

    .article-title::after {
        width: 70px;
    }

    .article-title:hover::after {
        width: 90px;
    }

    main {
        margin-top: 40px;
        margin-bottom: 80px;
    }

    .side {
        max-height: 140px;
        margin-bottom: 25px;
    }

    .side.active { max-height: 500px; }

    .side-info { gap: 20px; }

    .avatar-box img { width: 90px; height: 90px; }

    .things-list {
        gap: 20px;
        margin: 0 -25px;
        padding: 25px 25px;
        padding-bottom: 35px;
    }
    
    .thing-item {
        min-width: calc(100vw - 100px);
        max-width: calc(100vw - 100px);
    }
}

@media (min-width: 768px) {
    .side, article { width: 650px; }

    .things-list {
        gap: 25px;
        margin: 0 -30px;
        padding: 30px 30px;
        padding-bottom: 40px;
    }
    
    .thing-item {
        min-width: calc(100vw - 120px);
        max-width: calc(100vw - 120px);
    }
}

@media (min-width: 1024px) {
    .side, article { width: 800px; }

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

    .things-list {
        gap: 30px;
        margin: 0 -40px;
        padding: 35px 40px;
        padding-bottom: 45px;
    }
    
    .thing-item {
        min-width: calc(100vw - 160px);
        max-width: calc(100vw - 160px);
    }
}

@media (min-width: 1250px) {
    .side, article { width: auto; }

    article { min-height: 100%; }

    main {
        max-width: 1300px;
        margin-inline: auto;
        display: flex;
        justify-content: center;
        align-items: stretch;
        gap: 40px;
        padding: 40px 20px;
    }

    .main-content {
        min-width: 70%;
        width: 70%;
        margin: 0;
    }

    .side {
        position: sticky;
        top: 80px;
        max-height: max-content;
        height: fit-content;
        margin-bottom: 0;
        padding-top: 40px;
        z-index: 1;
    }

    .side-info { flex-direction: column; text-align: center; }

    .avatar-box img { width: 120px; height: 120px; }

    .info-content .name {
        white-space: nowrap;
        text-align: center;
        font-size: 22px;
    }

    .info-content .title { margin: 12px auto; }

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

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

    .social-list { justify-content: center; gap: 25px; }
    
    .social-item .social-link {
        width: 55px;
        height: 55px;
        font-size: 22px;
    }

    .things-list {
        gap: 35px;
        margin: 0 -50px;
        padding: 40px 50px;
        padding-bottom: 50px;
    }
    
    .thing-item {
        min-width: calc(100vw - 200px);
        max-width: calc(100vw - 200px);
    }
}