/* GENERAL RESET */
*,
*::before,
*::after {
    box-sizing: border-box;
}


body, html {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif; /* Replace Helvetica with Inter */
    font-weight: 100;
    background: #000000;
    color: white;
    scroll-behavior: smooth;
    width: 100vw;
    max-width: 100vw;
    overflow-x: hidden;
}

/* CSS VARIABLES */
:root {
    --primary-color: white;
    --secondary-color: #222;
    --active-color: #ffedae;
    --bg-color: #000;
    --font-family: 'Inter', sans-serif; /* Replace Helvetica with Inter */
    --spacing: 20px;
    --transition-speed: 600ms;
}

.unselectable {
    user-select: none;
    -webkit-user-select: none; /* Safari */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
}

.content {
    margin-top: 100px;
}


img {
    user-drag: none;
    pointer-events: none;
    user-select: none;
}


/* HEADER */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    z-index: 1000;
    padding: 15px 20px;
    transition: 0.1 ease-in-out;
}

/* Special Header Style */
.home header {
    background: transparent;
}

.home header.menu-open {
    background: black;
}

.not-home header {
    background: black;
}

/* HEADER CONTAINER */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo img {
    height: 50px;
    display: block;
}

nav {
    display: flex;
    align-items: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 6em;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-size: 18px;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--active-color);
}

.nav-links .linkedin-icon img {
    width: 26px;
    height: 26px;
    transition: transform 0.3s ease-in-out;
}

.nav-links .linkedin-icon:hover img {
    transform: scale(1.2);
}

/* HAMBURGER MENU */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    cursor: pointer;
}

.menu-toggle div {
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    transition: 0.3s ease-in-out;
}




/* HOME PAGE */
.video-background {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}
.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.5);
    color: var(--primary-color);
    gap: 50px;
    padding-top: 100px;
}
.overlay img {
    width: 23vw;
    max-width: 1200px;
    margin-bottom: 5em;
}
.bttn-container {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 2em;
    width: 100%;
}
.bttn-container button {
    width: 220px;
    min-width: fit-content;
    padding: 17px;
    font-size: 16px;
    border: none;
    cursor: pointer;
    text-align: center;
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    transition: var(--transition-speed);
}
.bttn-container button:hover,
.bttn-container button:focus {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    outline: none;
}




/* ABOUT PAGE */
.about-page .about {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing);
    align-items: center;
    margin: 20px auto;
    max-width: 1200px;
    padding: 20px;
    padding-top: 100px;
}

.about-page .about-text {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    text-align: left;
    margin: 0 5em 0 0;
}

.about-page .about-text h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing);
}

.about-page .about-text p {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: var(--spacing);
}

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

.about-page .about-image img {
    max-width: 100%;
    height: auto;
}

.about-page .icon-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
}

.about-page .icon-links img {
    width: 40px;
    height: 40px;
    transition: transform 0.3s ease-in-out;
    cursor: pointer;
}

.about-page .icon-links a:hover img {
    transform: scale(1.2);
}




/* PORTFOLIO GALLERY PAGE */
.portfolio-page {
    margin-top: 100px;
}

.portfolio-container {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* Two columns of images */
    gap: 1em;
}

.portfolio-grid img {
    width: 100%;
    height: auto;
    cursor: pointer;
    object-fit: cover;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.portfolio-grid a {
    position: relative;
    display: block;
    overflow: hidden;
}

.portfolio-grid img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.portfolio-grid a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*background-color: rgba(219, 216, 216, 0.08);*/
    opacity: 0;
    transition: opacity 300ms ease;
}

.portfolio-grid a:hover img {
    transform: scale(1.08);
}

.portfolio-grid a:hover::after {
    opacity: 1;
}

.portfolio-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.portfolio-list li {
    margin-bottom: 20px;
}

.portfolio-list a {
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.portfolio-list a:hover {
    color: var(--active-color);
}

.nav-links a.active, .portfolio-list a.active {
    color: var(--active-color);
}




/* PORTFOLIO ITEM */
.portfolio-item-container {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 10px;
    max-width: 1500px;
    margin: 0 auto;
    padding: 20px;
}

.portfolio-item-gallery {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.portfolio-item-gallery img,
.portfolio-item-gallery video {
    width: 100%;
    height: auto;
    cursor: pointer;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-item-gallery img:hover,
.portfolio-item-gallery video:hover {
    transform: scale(1);
}

.item-space {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.item-space h2, p, h3 {
    margin: 0;
    padding: 0;
    font-weight: 100;
}

.item-space h2 {
    font-size: 3em;
}

h3 {
    font-size: 2em;
}

.portfolio-item-description {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.description-row {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 10px;
    width: 100%;
}

.description-row.main {
    order: 1;
}

.description-row.minor {
    order: 2;
}

.description-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    padding: 10px;
    font-size: 0.8em;
    text-align: center;
    white-space: nowrap;
    flex-grow: 1;
}

.description-item.main-style {
    border: 1px solid #202022;
    background-color: #202022;
    color: var(--primary-color);
}

.description-item.minor-style {
    border: 1px solid #202022;
    color: var(--primary-color);
}

.portfolio-item-media {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    background-color: #000;
}

/* BUTTONS */
.back-link {
    display: inline-block;
    margin-top: 15px;
    text-align: center;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1rem;
    padding: 10px;
    border: 1px solid var(--primary-color);
    width: 50px;
    height: 50px;
    transform: rotate(-90deg);
    cursor: pointer;
    transition: 0.3s ease;
}

.back-link:hover {
    background-color: #ffffff60;
}

.err-bttn {
    transform: rotate(0deg);
    min-width: fit-content;
    width: 250px;
    height: fit-content;
    padding: 15px 0;
    transition: var(--transition-speed) ease;
}

.err-bttn:hover {
    background-color: var(--primary-color);
    color: var(--bg-color);
}
.err-page {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 1500px;
    margin: 0 auto;
    margin-top: 100px;
    justify-items: center;
    align-items: center;
    height: 79vh;
}

.err-container {
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.err-code {
    position: absolute;
    margin: 0 auto;
    z-index: 0;
    font-size: 40vw;
    font-weight: 900;
    color: transparent;
    background: linear-gradient(45deg, black, #ffffffa9);
    background-size: 400% 400%;
    background-position: 100% 100%;
    -webkit-background-clip: text;
    animation: gradientMove 10s ease infinite, gradientZoom 6s ease infinite;
  }

  /* Gradient Move */
  @keyframes gradientMove {
    0% {
      background-position: 100% 100%;
    }
    25% {
      background-position: 0% 100%;
    }
    50% {
      background-position: 0% 0%;
    }
    75% {
      background-position: 100% 0%;
    }
    100% {
      background-position: 100% 100%;
    }
  }

  /* Gradient Zoom */
  @keyframes gradientZoom {
    0% {
      background-size: 400% 400%;
    }
    50% {
      background-size: 600% 600%;
    }
    100% {
      background-size: 400% 400%;
    }
  }



/* BACK TO TOP BUTTON */
#return-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    background-color: var(--bg-color);
    color: var(--primary-color);
    border: none;
    width: 50px;
    height: 50px;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    border: 1px solid white;
    padding: 10px;
}

#return-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#return-to-top:hover {
    background-color: #444;
}



/* FOOTER */
footer {
    position: static;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    background-color: transparent;
    font-size: 0.8em;
}



/* TITLE STYLE */
.tooltip {
    position: relative;
    cursor: pointer;
  }
  
  /* Tooltip style */
  .tooltip::after {
    content: attr(data-title);
    position: absolute;
    top: 120%;
    left: 90%;
    background: #fff;
    color: #000;
    padding: 6px 10px;
    border-radius: 5px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out;
  }
  
  /* Show tooltip on hover */
  .tooltip:hover::after {
    opacity: 1;
    visibility: visible;
  }



/* HAMBURGER ANIMATION */
.menu-toggle.open div:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
.menu-toggle.open div:nth-child(2) {
        opacity: 0;
    }
.menu-toggle.open div:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

/* Default button styles */
.portfolio-item-button {
    display: inline-block;
    padding: 12px 20px;
    margin: 30px;
    font-size: 16px;
    font-weight: normal;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease-in-out;
    cursor: pointer;
    width: 100%;
    align-self: center;
    
    background-color: var(--primary-color);
    color: var(--bg-color);
}

.portfolio-item-button:hover {
    background-color: var(--active-color);
}



/* RESPONSIVENESS 1024*/
@media (max-width: 1024px) {
    .overlay img {
        width: 50vw;
    }

    .portfolio-container {
        grid-template-columns: 1fr;
    }

    .portfolio-list {
        display: none;
    }

    header {
        padding: 1.5em 10em;
    }

    .about-page {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 80vh;
    }

    .about-page .about {
        padding: 0;
    }

    .about-page .about-text {
        padding: 3em;
        margin: 0;
    }

    .about-page .about-image {
        width: 100%;
        height: 100%;
    }

    .about-page .about-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 50px 0 0 50px ;
    }
}



/* RESPONSIVENESS 768*/
@media (max-width: 768px) {
    .content {
        margin-top: 80px;
    }

    header {
        padding: 15px 20px;
    }

    .portfolio-container {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1em;
    }

    .portfolio-list {
        display: none;
    }

    .about-page {
        display: flex;
        align-items: center;
        justify-content: center;
        height: auto;
    }

    .about-page .about {
        display: flex;
        flex-direction: column;
        flex-flow: column-reverse;
        padding: 0;
        margin: 0;
    }

    .about-page  .about-text {
        padding: 2em;
        padding-top: 0;
        margin: 0;
    }

    .about-page .about-image {
        width: 100%;
        height: 15em;
    }

    .about-page .about-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 0;
    }

    .about-page .icon-links {
        gap: auto;
        justify-content:space-around;
    }

    .overlay img {
        width: 80vw;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        right: 0;
        width: 100%;
        background: var(--bg-color);
        flex-direction: column;
        align-items: center;
        gap: 20px;
        padding: 20px 0;
        display: none;
        transition: 0.3s ease-in-out;
    }

    .nav-links.show {
        display: flex;
        gap: 3.5em;
        padding: 2em 0;
    }

    .menu-toggle {
        display: flex;
    }

    .about-page .icon-links img {
        width: 3.5em;
        height: 3.5em;
    }

    .item-space {
        flex-direction: column;
    }

    .err-container h1 {
        text-transform: uppercase;
    }
    .err-bttn {
        width: 100%;
        padding: 20px 0px;
    }
    .err-code {
        writing-mode: vertical-rl;
        text-orientation: upright;
        letter-spacing: -50px;
        font-size: 50vw;
    }

    .bttn-container {
        gap: 1em;
        justify-content: space-around;
        padding: 0 1em;
    }

    .bttn-container button {
        width: 100%;
    }

    .portfolio-item-button {
        width: 100%;
    }
}