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

:root {
    --cream-white: #ffe7bb;
    --dandelion-orange: #ffa600;
    --pongkan-orange: #FF5500;
    --snow-white: #dcfbff;
}

body {
    font-family: "Inter", sans-serif;
}

/* Hide hamburger by default (desktop) */
.hamburger {
    display: none;
}

/* ===================== DESKTOP (1025px+) ===================== */
@media (min-width: 1025px) {

    #navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        display: flex;
        font-size: 1.7vw;
        padding: 45px 80px;
        gap: 50px;
        align-items: center;
        transition: all 0.3s ease-in-out;
        background: rgba(0, 0, 0, 0);
    }

    #navbar a {
        text-decoration: none;
        color: white;
        font-weight: 200;
    }

    #navbar.scrolled {
        background: black;
        padding: 35px 100px;
    }

    #navbar a:first-child {
        margin-right: auto;
    }

    #talk-btn {
        color: white;
        padding: 10px 50px;
        border-radius: 50px;
        border: 1px solid white;
        transition: all 0.1s ease;
    }

    #talk-btn:hover {
        background-color: var(--pongkan-orange);
        color: black;
        font-weight: 600;
        border: 1px solid var(--pongkan-orange);
    }

    #home {
        min-height: 100vh;
        background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
                    url(https://images.pexels.com/photos/2387873/pexels-photo-2387873.jpeg);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        text-align: center;
    }

    #home h1 {
        font-size: 10.2vw;
        padding: 33vh 0 0 0;
        font-weight: 600;
        color: #FF5500;
    }

    #home h2 {
        font-size: 3.5vw;
        margin-left: 20.5vw;
        margin-top: -3.3vw;
        color: var(--snow-white);
    }


    /* About - 1. Discover section  */
    #about {
        background-color: #FF5500;
        padding: 20vh 75px 20vh 75px;
        /* REQUIRED: This keeps the button from flying outside the orange box */
        position: relative; 
    }

    .discover-button {
        background-color: black;
        color: white;
        padding: 2vh 3.5vw;
        font-size: 20px;
        border: none;
        display: inline-block;
        border-radius: 50px 20px 20px 50px;
        
        /* POSITIONING LOGIC */
        position: absolute;
        right: 80px; 
        top: 22vh; 
        
        transition: all 0.3s ease;
        cursor: pointer;
    }

    .discover-button:hover {
        background-color: white;
        color: black;
    }

    #about .about-discover h1 {
        font-size: 4vw;
        font-weight: 600;
        color: black;
        display: inline-block;
    }

    #about .about-discover p {
        font-size: 2vw;
        color: white;
        margin-top: 15vh;
        line-height: 35px;

        /* creates a space on the right sides so the text doesn't hit the button */
        margin-right: 42vw; 
        margin-bottom: 200px;
        font-weight: 200;
    }

    /* About - 2. About Me section */

    #about img {
        width: 35vw;
        height: 700px;
        border: 10px solid black;
        border-radius: 35px;
        object-fit: cover; 
        position: absolute;
        object-position: center; 
    }

    #about .about-me h1{
        font-size: 9vw;
        color: black;
        padding-top: 60px;
        text-align: right;
        font-weight: 250;
    }

    #about .about-me h2{
        text-align: right;
        color: black;
        font-style: italic;
        font-weight: 400;
        margin-bottom: 35px;
        font-size: 1.5vw;
    }

    #about .custom-line {
        height: 2px;
        width: 53%;
        margin-left: 47%;
        background-color: white; 
        border-radius: 10px;
        opacity: 1;
    }
    #about .about-me p{
        font-size: 1.5vw;
        color: white;
        margin-top: 5vh;
        padding-left: 41.5vw;
        text-align: right;
        line-height: 35px;
        font-weight: 200;
    }

    .tech-skills {
        position: relative;
        min-height: 100vh;
        width: 100%;
        background: linear-gradient(rgba(0, 0, 0, 0.905), rgba(0, 0, 0, 0.733)), url(./img/grainy-bg.jpg);       
        background-position: center;
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-size: cover;
        padding: 30px 75px 200px 75px;
        overflow: auto;
    }

    .tech-content {
        position: relative;
        z-index: 2;
        padding: 10vh 5vw;
        text-align: center;
        width: 100%;
    }

    .tech-skills h1 {
        font-size: 5vw;
        font-weight: 500;
        letter-spacing: -3%;
        margin-top: 15vh;
        color: white;
    }

    #tech-skills .line-skills{
        opacity: 1;
        color: white;
        padding-top: 5px;
        height: 3px;
        border: none;
        background: white;
    }

    .card img{
        border-radius: 10px;
    }

    .card h4{
        margin-top: 20px;
    }

    ol, ul {
        padding-left: 0rem;
    }

    .tech-skills ul {
        display: flex;
        flex-wrap: wrap;
        gap: 30px;
        list-style: none;
        margin-top: 5vh;
    }

    .card {
        width: calc(25% - 23px);
        padding: 30px;
        border-radius: 20px;
        text-align: left;
        background: rgba(0, 0, 0, 0.74);
        border: 1px solid var(--snow-white);
        transition: transform 0.3s ease, background 0.3s ease, border 0.3s ease;
        color: var(--snow-white);
        font-size: 1.4rem;
        font-weight: 600;
    }

    .card:hover {
        transform: translateY(-10px);
        border: 1px solid var(--dandelion-orange);
    }

    .icon-group {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        margin-top: 20px;
    }

    .tech-icon {
        width: 40px;
        height: 40px;
        object-fit: contain;
        filter: drop-shadow(0 4px 6px rgba(0,0,0,0.5));
        transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .tech-icon:hover {
        transform: scale(1.2) translateY(-5px);
    }

    #tech p {
        font-weight: 300;
        font-size: 18px;
    }

    #soft-skills {
        margin-top: 5vh;
    }

    #about .hidden-buttons{
        display: block;
    }

    
    /* footer section */
    footer {
        background-color: black;
        padding: 50px 50px 30px 50px;
        color: white;
        text-align: center;
    }

    footer a {
        text-decoration: none;
        display: inline-block;
        margin: 0 10px;
    }
}

/* ===================== TABLET (max 1024px) ===================== */
@media (max-width: 1024px) {

    /* --- Hamburger button --- */
    .hamburger {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        position: fixed;
        top: 16px;
        right: 20px;
        z-index: 1100;
        cursor: pointer;
        padding: 5px;
        margin: 15px 10px 0 0;
    }

    .hamburger span {
        display: block;
        width: 40px;
        height: 3px;
        background-color: white;
        border-radius: 2px;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    /* Animate to X when checked */
    #nav-toggle:checked ~ .hamburger span:nth-child(1) {
        transform: translateY(11px) rotate(45deg);
    }
    #nav-toggle:checked ~ .hamburger span:nth-child(2) {
        opacity: 0;
    }
    #nav-toggle:checked ~ .hamburger span:nth-child(3) {
        transform: translateY(-11px) rotate(-45deg);
    }

    /* --- Nav overlay hidden by default --- */
    #navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8vw;
        background: black;
        border-bottom-left-radius: 8vw;
        border-bottom-right-radius: 8vw;
        padding: 16vh 0 8vh 0;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    /* Nav open when checkbox is checked */
    #nav-toggle:checked ~ #navbar {
        opacity: 1;
        pointer-events: all;
        transform: translateY(0);
    }

    #navbar a {
        text-decoration: none;
        color: white;
        font-size: 3vw;
    }

    #navbar a:first-child {
        margin-right: 0;
    }

    /* Tap-outside overlay — invisible, sits behind the menu */
    #nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 999; /* just below #navbar (1000) and hamburger (1100) */
        cursor: default;
    }

    /* Show overlay only when menu is open */
    #nav-toggle:checked ~ #nav-overlay {
        display: block;
    }

    /* --- Home section --- */
    #home {
        min-height: 100vh;
        background: linear-gradient(rgba(0,0,0,0.788), rgba(0,0,0,0.041)), url(https://images.pexels.com/photos/2387873/pexels-photo-2387873.jpeg);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        text-align: center;
    }

    #home h1 {
        font-size: 20vw;
        padding: 35vh 0 0 0;
        font-weight: 600;
        color: var(--dandelion-orange);
    }

    #home h2 {
        font-size: 7.5vw;
        margin-left: 37vw;
        margin-top: -5.5vw;
        color: var(--snow-white);
    }

    /* --- Tech section --- */
    .tech-skills {
        position: relative;
        min-height: 100vh;
        width: 100%;
        padding: 30px 15px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .tech-skills::before {
        content: "";
        position: absolute;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1;
    }

    .tech-content {
        position: relative;
        z-index: 2;
        padding: 8vh 4vw;
        text-align: center;
        width: 100%;
    }

    .tech-skills h1 {
        font-size: 8vw;
        font-weight: 500;
        color: var(--dandelion-orange);
    }

    ol, ul {
        padding-left: 0;
    }

    .tech-skills ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        list-style: none;
        margin-top: 4vh;
    }

    .card {
        width: 90vw;
        max-width: 400px;
        padding: 20px;
        border-radius: 16px;
        text-align: left;
        background: black;
        border: 1px solid var(--snow-white);
        color: var(--snow-white);
        font-size: 1.1rem;
        font-weight: 600;
        transition: transform 0.3s ease, border 0.3s ease;
    }

    .card:hover {
        transform: translateY(-6px);
        border: 3px solid var(--snow-white);
    }

    .icon-group {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 15px;
    }

    .tech-icon {
        width: 35px;
        height: 35px;
        object-fit: contain;
        filter: drop-shadow(0 4px 6px rgba(0,0,0,0.5));
    }

    #tech p {
        font-weight: 300;
        font-size: 15px;
    }

    #soft-skills {
        margin-top: 4vh;
    }

    footer {
        background-color: black;
        padding: 30px;
        color: white;
        text-align: center;
    }

    footer a {
        text-decoration: none;
        display: inline-block;
        margin: 0 8px;
    }
}

/* ===================== MOBILE (max 700 px) ===================== */
@media (max-width: 700px) {

    /* --- Hamburger button --- */
    .hamburger {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        position: fixed;
        top: 16px;
        right: 20px;
        z-index: 1100;
        cursor: pointer;
        padding: 5px;
        margin: 15px 10px 0 0;
    }

    .hamburger span {
        display: block;
        width: 40px;
        height: 3px;
        background-color: white;
        border-radius: 2px;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    /* Animate to X when checked */
    #nav-toggle:checked ~ .hamburger span:nth-child(1) {
        transform: translateY(11px) rotate(45deg);
    }
    #nav-toggle:checked ~ .hamburger span:nth-child(2) {
        opacity: 0;
    }
    #nav-toggle:checked ~ .hamburger span:nth-child(3) {
        transform: translateY(-11px) rotate(-45deg);
    }

    /* --- Nav overlay hidden by default --- */
    #navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 40vh;
        z-index: 1000;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5vh;
        background: #0c0c0c;
        border-bottom-left-radius: 300px;
        border-bottom-right-radius: 300px;
        padding: 35vh 0;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    /* Nav open when checkbox is checked */
    #nav-toggle:checked ~ #navbar {
        opacity: 1;
        pointer-events: all;
        transform: translateY(0);
    }

    #navbar a {
        text-decoration: none;
        color: white;
        font-size: 5.5vw;
        font-weight: 300;
    }

    #navbar a:first-child {
        margin-right: 0;
    }

    /* Tap-outside overlay — invisible, sits behind the menu */
    #nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 999; /* just below #navbar (1000) and hamburger (1100) */
        cursor: default;
    }

    /* Show overlay only when menu is open */
    #nav-toggle:checked ~ #nav-overlay {
        display: block;
    }

    /* --- Home section --- */
    #home {
        min-height: 100vh;
        background: linear-gradient(rgba(0,0,0,0.788), rgba(0,0,0,0.041)), url(https://images.pexels.com/photos/2387873/pexels-photo-2387873.jpeg);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-attachment: scroll;
        text-align: center;
    }

    #home h1 {
        font-size: 20vw;
        padding: 35vh 0 0 0;
        font-weight: 600;
        color: var(--dandelion-orange);
    }

    #home h2 {
        font-size: 7.5vw;
        margin-left: 38vw;
        margin-top: -6.5vw;
        color: var(--snow-white);
    }

    /* --- Tech section --- */
    .tech-skills {
        position: relative;
        min-height: 100vh;
        width: 100%;
        padding: 30px 15px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .tech-skills::before {
        content: "";
        position: absolute;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1;
    }

    .tech-content {
        position: relative;
        z-index: 2;
        padding: 8vh 4vw;
        text-align: center;
        width: 100%;
    }

    .tech-skills h1 {
        font-size: 8vw;
        font-weight: 500;
        color: var(--dandelion-orange);
    }

    ol, ul {
        padding-left: 0;
    }

    .tech-skills ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        list-style: none;
        margin-top: 4vh;
    }

    .card {
        width: 90vw;
        max-width: 400px;
        padding: 20px;
        border-radius: 16px;
        text-align: left;
        background: black;
        border: 1px solid var(--snow-white);
        color: var(--snow-white);
        font-size: 1.1rem;
        font-weight: 600;
        transition: transform 0.3s ease, border 0.3s ease;
    }

    .card:hover {
        transform: translateY(-6px);
        border: 3px solid var(--snow-white);
    }

    .icon-group {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 15px;
    }

    .tech-icon {
        width: 35px;
        height: 35px;
        object-fit: contain;
        filter: drop-shadow(0 4px 6px rgba(0,0,0,0.5));
    }

    #tech p {
        font-weight: 300;
        font-size: 15px;
    }

    #soft-skills {
        margin-top: 4vh;
    }

    footer {
        background-color: black;
        padding: 30px;
        color: white;
        text-align: center;
    }

    footer a {
        text-decoration: none;
        display: inline-block;
        margin: 0 8px;
    }
}