/* --- THEME VARIABLES --- */
:root {
    --bg-color: #f4f1ea;
    --text-color: #3b3834;
    --sidebar-bg: #e6e2d6; /* Solid, opaque background */
    --sidebar-border: #FF8C00; /* Vibrant Orange */
    --card-bg: #ffffff;
    --social-bg: #ffc0cb; /* Pink as requested */
    --social-text: #333;
    --accent-color: #5c554f;
    --transition-speed: 0.4s;
    --hero-overlay: rgba(255,255,255,0.0);
}

body.theme-dark {
    --bg-color: #0a0a0a;
    --text-color: #e0e0e0;
    --sidebar-bg: #141414; /* Solid Dark */
    --sidebar-border: #FF8C00; /* Keep Orange Accent */
    --card-bg: #1f1f1f;
    --social-bg: #ffc0cb; /* Keep Pink */
    --social-text: #000;
    --accent-color: #ffffff;
    --hero-overlay: rgba(0,0,0,0.3);
}

/* --- RESET & BASE --- */
* { box-sizing: border-box; margin: 0; padding: 0; cursor: none !important; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* 1. CUSTOM CURSOR */
#custom-cursor {
    width: 15px;
    height: 15px;
    background: var(--text-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    mix-blend-mode: difference;
}

/* 4. SCROLL PROGRESS */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 280px; /* Aligned with content start */
    height: 4px;
    background: var(--sidebar-border);
    width: 0%;
    z-index: 1001;
}

/* --- SIDEBAR --- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: var(--sidebar-bg);
    border-right: 3px solid var(--sidebar-border); /* Thicker Orange Border */
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: background-color var(--transition-speed) ease;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    position: relative;
    z-index: 200; /* Ensure header stays above drawer */
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-name {
    font-size: 1.4rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-color);
    text-decoration: none;
}

/* THEME TOGGLE */
.theme-toggle-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}
.theme-toggle-btn:hover { transform: rotate(15deg); }

.menu-toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--text-color);
    display: flex; /* Always visible now */
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

/* DRAWER NAVIGATION (SLIDES IN) */
.nav-container {
    position: absolute;
    top: 85px; /* Just below header */
    left: 0;
    width: 100%;
    height: calc(100% - 85px); /* Cover rest of sidebar */
    background: var(--sidebar-bg);
    z-index: 100; /* Above profile content */
    padding: 20px 30px;
    border-right: 3px solid transparent; /* Match alignment */
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    display: flex;
    flex-direction: column;
}

.nav-container.open { 
    transform: translateX(0); 
}

.nav-menu { list-style: none; }
.nav-link {
    text-decoration: none;
    color: var(--text-color);
    opacity: 0.6;
    font-size: 1.2rem; /* Slightly larger for drawer menu */
    font-weight: 600;
    display: block;
    margin-bottom: 20px;
    transition: 0.3s ease;
    position: relative;
}
.nav-link:hover, .nav-link.active {
    opacity: 1;
    transform: translateX(10px);
    color: var(--sidebar-border);
}

/* SIDEBAR INFO */
.sidebar-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    /* Content will be behind the drawer when open */
}

.profile-container {
    margin-bottom: 15px;
}

.profile-pic {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--sidebar-border); /* Orange Border */
    margin-bottom: 20px;
    display: block;
}

.intro-text {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-color);
    font-weight: 400;
}

.intro-title {
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
    font-size: 1rem;
}

/* DECORATIVE RECTANGLE */
.sidebar-divider-rect {
    width: 80%;
    height: 120px;
    background-color: var(--text-color);
    border-radius: 13px;
    margin: auto 0 20px 0; /* Pushed to bottom above footer */
    opacity: 0.7;
    border: 1px solid var(--sidebar-border);
    align-self: center;
    
}

/* FOOTER (Socials) */
.sidebar-footer {
    background-color: rgb(75, 131, 163);
    padding: 13px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-icons {
    display: flex;
    gap: 24px;
    align-items: center;
}

.social-link {
    display: inline-block;
    color: var(--social-text);
    font-size: 1.2rem;
    transition: transform 0.3s;
}

/* MAIN CONTENT AREA */
.content-area {
    flex: 1;
    margin-left: 280px;
    padding: 0; /* Remove padding to let Hero touch edges */
    min-height: 100vh;
    position: relative;
}

.page-container {
    padding: 80px 10%;
    max-width: 1200px;
    margin: 0 auto;
}

.page-section { display: none; }
/* Override for multi-page: Always show active content, handled by HTML structure now */
.page-section.active-section { display: block; animation: fadeIn 0.6s ease forwards; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- HERO SECTION (NEW) --- */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5%;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1400px;
}

.hero-text h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
    color: var(--text-color);
}

.hero-text p {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.8;
    max-width: 500px;
}

.hero-cta {
    display: inline-block;
    padding: 15px 35px;
    background: var(--sidebar-border);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: transform 0.3s;
}

.hero-image-wrapper {
    position: relative;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 20px 20px 0px var(--sidebar-border);
    filter: grayscale(100%);
    transition: filter 0.5s;
}
.hero-image:hover { filter: grayscale(0%); }

.page-header { font-size: 3.5rem; font-weight: 800; margin-bottom: 40px; letter-spacing: -1px; }

/* MASONRY & CARDS */
.masonry-grid { column-count: 2; column-gap: 30px; }

/* UPDATED: Masonry Item and Image Hover Effect */
.masonry-item { 
    break-inside: avoid; 
    margin-bottom: 30px; 
    border-radius: 8px; 
    overflow: hidden; 
}

.masonry-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease, filter 0.5s ease;
}

/* Hover Effect: Slight Zoom and Brightness/Contrast Pop */
.masonry-item:hover img {
    transform: scale(1.05);
    filter: brightness(1.1) contrast(1.05);
}

.card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.05);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

/* CODE WINDOW */
.code-window {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 25px;
    border-radius: 8px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    margin-top: 20px;
}
.keyword { color: #569cd6; } .func { color: #dcdcaa; } .string { color: #ce9178; }

/* RESPONSIVE */
@media (max-width: 900px) {
    #scroll-progress { left: 0; }
    .sidebar { 
        width: 100%; height: auto; position: sticky; top: 0; 
        border-right: none; border-bottom: 3px solid var(--sidebar-border); 
        padding: 15px 20px;
    }
    .sidebar-content { display: none; }
    /* Mobile Nav Logic Override */
    .nav-container { 
        position: fixed; top: 70px; height: auto; border:none; 
        box-shadow: 0 10px 20px rgba(0,0,0,0.1); 
    }
    .sidebar.mobile-open .sidebar-content { display: flex; }
    
    .content-area { margin-left: 0; }
    .hero-content { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-text p { margin: 0 auto 30px; }
    .hero-text h1 { font-size: 3rem; }
    .masonry-grid { column-count: 1; }
}