:root {
    --font-primary: 'Poppins', sans-serif;
    --color-text: #000;
    --color-text-light: #555;
    --color-text-darker: #333;
    --color-bg: #fff;
    --color-border: #000;
    --color-border-light: #ddd;
    --color-border-faint: #eee;
    --color-hover-light: #f0f0f0;
    --color-hover-dark: #999;
    --max-width-content: 1200px;
    --max-width-narrow: 800px;
    --border-radius-main: 8px;
    --border-radius-small: 4px;
    --nav-height: 60px; 
    --nav-buffer: 20px;
}

html {
    box-sizing: border-box;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + var(--nav-buffer));
}

*, *:before, *:after {
    box-sizing: inherit;
}

body, html {
    margin: 0; 
    padding: 0; 
    width: 100%; 
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden; 
}

.nav {
    border-bottom: 1px solid var(--color-border);
    padding: 10px 20px; 
    display: flex;
    justify-content: space-between; 
    align-items: center; 
    z-index: 1000; 
    min-height: var(--nav-height); 
    position: sticky;
    top: 0;
    background-color: var(--color-bg);
}

.wordmark {
    font-family: var(--font-primary);
    width: 8rem;
    height: 3rem;
    font-weight: bold; 
    font-size: 1rem;
    color: var(--color-text); 
    border: 1.5px solid var(--color-border);
    border-radius: 0.5rem;
    background-color: var(--color-bg);
    cursor: pointer; 
}

.hamburger-menu {
    display: none; 
    background-color: var(--color-bg); 
    color: var(--color-text); 
    border: 1px solid var(--color-border); 
    padding: 5px 10px; 
    border-radius: var(--border-radius-small); 
    font-size: 1.2rem; 
    cursor: pointer; 
    transition: all 0.2s ease-in-out; 
}

.hamburger-menu:hover {
    background-color: var(--color-border-faint); 
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex; 
    flex-direction: row; 
}

.nav-links li {
    margin: 0 15px;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none; 
    padding: 5px 10px;
    transition: background-color 0.3s; 
    font-size: 1rem;
    border-radius: var(--border-radius-small); 
}

.nav-links a:hover {
    background-color: var(--color-hover-dark);
    color: var(--color-bg); 
}

#home {
    max-width: var(--max-width-narrow);
    margin: 20px auto;
    padding: 10px 20px;
}

.my-name {
    font-size: clamp(1.8rem, 5vw, 2.2rem); 
    font-weight: 600;
    word-break: break-word; 
}

.about {
    font-size: 1rem;
    line-height: 1.6; 
}

.typing-cursor {
    border-right: 2px solid var(--color-border); 
    animation: blink-caret .75s step-end infinite;
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--color-border); }
}

.coding-journey-container {
    padding: 40px 20px;
    margin: 40px auto;
    border: 1px solid var(--color-border); 
    border-radius: var(--border-radius-main);
    background-color: var(--color-bg);
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
    max-width: var(--max-width-narrow);
}

.projects-container {
    background-color: var(--color-bg);
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
    padding: 40px 20px;
    margin: 40px auto;
    max-width: var(--max-width-content);
    text-align: center;
    border: 1px solid var(--color-border); 
    border-radius: var(--border-radius-main);
}

.section-title,
.journey-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    margin-top: 0;
    color: var(--color-text);
}

.card-grid {
    display: flex;
    flex-wrap: wrap; 
    gap: 30px; 
    justify-content: center;
}

.project-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border-light); 
    border-radius: var(--border-radius-main);
    width: 350px; 
    overflow: hidden; 
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: left;
    opacity: 0; 
    transform: translateY(20px); 
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.card-image-wrapper {
    height: 180px; 
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--color-border-faint); 
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    display: block;
}

.card-content {
    padding: 20px;
}

.card-content h3 {
    margin-top: 0;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.card-content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.5;
}

.btn-visit {
    display: inline-block;
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: 10px 20px;
    text-decoration: none;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    font-size: 0.9rem;
    transition: background-color 0.3s;
    outline: none; 
    border: none; 
}

.btn-visit:focus {
    outline: none; 
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.5); 
}

.btn-visit:hover {
    background-color: var(--color-text-darker);
}

.btn-show-more {
    display: none; 
    margin-top: 30px;
    padding: 12px 25px;
    background-color: var(--color-bg);
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
    border-radius: var(--border-radius-small);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-show-more:hover {
    background-color: var(--color-hover-light);
}

.btn-show-more.hidden {
    display: none;
}

.code-block-python {
    background-color: #272822;
    color: #f8f8f2;
    padding: 15px;
    margin: 20px 0;
    border-radius: 5px;
    overflow: auto;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    word-wrap: break-word; /* FIX untuk baris kode super panjang */
    max-height: 300px; /* FIX: Naikkan tinggi maksimal agar kode terlihat */
    width: 100%;
}

.modal-content h2 {
    margin-bottom: 10px;
}
iframe { 
    width: 100%; 
    height: 100%; 
    z-index: 999; 
}

.journey-table {
    width: 100%;
    border-collapse: collapse; 
    font-size: 0.95rem;
}

.journey-table th, .journey-table td {
    border: 1px solid var(--color-border-light);
    padding: 12px 10px;
    text-align: left;
}

.journey-table th {
    background-color: var(--color-hover-light);
    font-weight: 600;
}

.journey-row {
    opacity: 0; 
    transition: opacity 0.5s ease-in; 
}

.journey-row.show {
    opacity: 1; 
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s;
    overflow-y: auto; /* FIX: Biar modal bisa di-scroll di HP */
    align-items: flex-start; /* FIX: Biar modal mulai dari atas layar di HP */
    padding: 20px 0; /* Jarak aman di atas/bawah */
    -webkit-overflow-scrolling: touch; /* Biar scrolling di iOS/HP lebih halus */
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-bg);
    padding: 40px;
    border-radius: var(--border-radius-main);
    max-width: 90%;
    max-height: 90vh; /* FIX: Batasi tinggi modal dari viewport */
    width: 500px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transform: scale(0.9);
    transition: transform 0.3s ease-in-out;
    margin: 20px 0; /* Jaga jarak dari padding backdrop */
    overflow-y: auto; /* Safety net jika konten sangat panjang */
}

.modal-backdrop.active .modal-content {
    transform: scale(1);
}

.modal-close-btn {
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--color-text);
    padding: 0;
    margin-left: 10px;
}

@media (max-width: 768px) {
    .projects-container,
    .coding-journey-container,
    #home {
        padding-left: 15px; 
        padding-right: 15px; 
        margin-left: auto;
        margin-right: auto;
        width: 100%;
    }
    
    .hamburger-menu {
        display: block; 
        z-index: 1001; 
    }
    
    .nav-links {
        display: none; 
        flex-direction: column; 
        width: 100%;
        position: absolute;
        top: var(--nav-height); 
        left: 0;
        z-index: 999; 
        background-color: var(--color-bg);
        border-top: 1px solid var(--color-border);
    }
    
    .nav-links.active {
        display: flex; 
    }
    
    .nav-links li {
        margin: 0; 
        border-bottom: 1px solid var(--color-border-faint); 
    }

    .nav-links a {
        display: block; 
        padding: 15px 20px;
    }

    .my-name, .about {
        padding-left: 0;
        padding-right: 0;
    }

    .card-grid {
        flex-direction: column;
        align-items: center; 
        gap: 20px; 
    }

    .project-card {
        width: 100%;
        max-width: 350px; 
    }
    
    .project-card:not(:first-child) {
        opacity: 0;
        height: 0;
    }
    
    .project-card.visible {
        opacity: 1 !important;
        height: auto !important;
        margin: 20px 0 !important;
        padding: 20px !important;
    }

    .project-card:first-child.visible {
        height: auto;
        padding: 20px;
        margin: 20px 0;
    }

    .btn-show-more {
        display: inline-block; 
    }
    
    .coding-journey-container {
        overflow-x: auto;
        box-shadow: none;
    }

    .journey-table th, .journey-table td {
        padding: 10px 5px; 
        font-size: 0.9rem;
    }
}

@media (max-width: 550px) {
    .modal-content {
        width: 100%;
        max-height: 100%;
        margin: 0 10px;
    }
    
    .modal-backdrop {
        /* Di layar super kecil, paksakan modal mulai dari paling atas */
        align-items: flex-start;
    }
}