/* =========================================
   1. CSS VARIABLES & RESET
   ========================================= */
:root {
    /* Color Palette */
    --bg-color: #0a0a0a;          /* Royal Black */
    --card-bg: #171717;           /* Very Dark Gray */
    --text-main: #ededed;         /* Bright White */
    --text-muted: #a1a1aa;        /* Silver Gray */
    
    /* Accent Colors */
    --accent: #8b5cf6;            /* Vivid Purple */
    --accent-hover: #a78bfa;      /* Light Purple */
    
    /* Functional */
    --nav-bg: rgba(10, 10, 10, 0.85);
    --transition: all 0.3s ease;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 5px;
    border: 2px solid var(--bg-color);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

section {
    padding: 5rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -5;
    pointer-events: none;
}

/* =========================================
   2. HEADER & NAVIGATION
   ========================================= */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    display: inline-block; 
    transition: color 0.3s ease;
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
    position: relative;
    transition: color 0.3s ease;
    padding: 5px;
    display: inline-block;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    cursor: pointer;
    color: var(--text-main);
}

/* =========================================
   3. HERO SECTION
   ========================================= */
.hero {
    min-height: 100vh;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 150px 1rem 5rem 1rem;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    filter: blur(120px);
    opacity: 0.2;
    top: 20%;
    z-index: -1;
    will-change: transform;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    padding: 0 2rem;
    flex-direction: row-reverse;
}

.hero-text {
    flex: 1;
    z-index: 2;
    padding-left: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: center;
    gap: 1.5rem;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    display: inline;
    white-space: nowrap;
}

.typing-text {
    font-size: 2rem;
    color: var(--accent);
    font-weight: 400;
    min-height: 1.5em;
    display: block;
    margin: 0;
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.hero-socials {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    padding: 0;
    margin: 0;
}

.hero-socials a {
    color: var(--text-muted);
    font-size: 1.5rem;
    transition: color 0.3s ease, background 0.3s ease;
    background: rgba(255,255,255,0.05);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.hero-socials a:hover {
    color: #fff;
    background-color: var(--accent);
    box-shadow: 0 5px 15px rgba(139, 92, 246, 0.4);
}

.btn {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    background: linear-gradient(45deg, var(--accent), #7c3aed);
    color: #fff;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
    position: relative; 
    z-index: 10;
    margin-top: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.hero-image-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center; 
    height: 400px; 
    margin-top: -30px; 
    overflow: visible !important;
}
.dev-img {
    position: relative;
    width: 100%;
    max-width: 380px;
    height: auto;
    z-index: 2;
    mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
    animation: floatBreathing 5s ease-in-out infinite;
}

.hero-image-wrapper::after {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    background: var(--accent);
    filter: blur(80px);
    opacity: 0.4;
    z-index: 0;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}


.glow-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    opacity: 0.5;
    z-index: 1;
    filter: blur(60px);
}

.code-bracket {
    position: absolute;
    top: 10%;
    right: 10%;
    font-size: 8rem;
    font-family: monospace;
    color: rgba(255, 255, 255, 0.05);
    font-weight: bold;
    z-index: 0;
    transform: rotate(15deg);
}

@keyframes floatBreathing {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-10px) scale(1.02); }
}

/* =========================================
   4. SECTION HEADERS
   ========================================= */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.section-header .line { display: none; }

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
    padding: 10px 30px;
    color: #fff;
    z-index: 1;
    cursor: default;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent);
    transition: width 0.3s ease, left 0.3s ease, transform 0.3s ease;
    transition-delay: 0.9s;
}

.section-header h2::before {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 3px;
    height: 0%; 
    background-color: var(--accent);
    transition: height 0.3s ease;
    transition-delay: 0.6s;
}

.section-header h2 .top-border {
    position: absolute;
    top: 0; right: 0; width: 0%; height: 3px;
    background-color: var(--accent);
    transition: width 0.3s ease;
    transition-delay: 0.3s;
}

.section-header h2 .left-border {
    position: absolute;
    top: 0; left: 0; width: 3px; height: 0%;
    background-color: var(--accent);
    transition: height 0.3s ease;
    transition-delay: 0s;
}

.section-header.in-view h2::after { width: 100%; left: 0; transform: translateX(0); transition-delay: 0s; }
.section-header.in-view h2::before { height: 100%; transition-delay: 0.3s; }
.section-header.in-view h2 .top-border { width: 100%; transition-delay: 0.6s; }
.section-header.in-view h2 .left-border { height: 100%; transition-delay: 0.9s; }


/* =========================================
   5. ABOUT SECTION
   ========================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item h3 {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 0.2rem;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.code-block {
    background-color: #1e1e1e;
    padding: 1.5rem;
    padding-left: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(139, 92, 246, 0.1);
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    color: #a1a1aa;
    line-height: 1.8;
    position: relative;
    overflow: hidden;
    overflow-x: auto;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.code-block:hover {
    transform: scale(1.05) translateY(-5px);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
    z-index: 10;
}

.code-block::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background-color: var(--accent);
    opacity: 0.5;
    transition: opacity 0.3s ease, box-shadow 0.3s ease;
}

.code-block:hover::before {
    opacity: 1;
    box-shadow: 0 0 15px var(--accent);
}

/* =========================================
   6. SKILLS SECTION
   ========================================= */
.skills-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.skill-tag {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-main);
    cursor: default;
}

.skill-tag:hover {
    border-color: var(--accent);
    background-color: rgba(139, 92, 246, 0.2);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

.skill-tag i { color: var(--accent); }

/* =========================================
   7. PROJECTS SECTION
   ========================================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.project-img {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.gradient-1 { background: linear-gradient(135deg, #6366f1, #a855f7); }
.gradient-2 { background: linear-gradient(135deg, #ec4899, #8b5cf6); }
.gradient-3 { background: linear-gradient(135deg, #3b82f6, #14b8a6); }

.project-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.project-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.tech-badge {
    font-size: 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
}

.project-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* =========================================
   8. CONTACT SECTION
   ========================================= */
.contact-container {
    max-width: 700px;
    margin: 0 auto;
    background: linear-gradient(145deg, #1e1e1e, #141414);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.contact-container:hover {
    border-color: var(--accent);
    transform: translateY(-10px); 
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.15);
}
form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    width: 100%;
}

input, textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background-color: #0f0f0f;
    border: 1px solid #333;
    border-radius: 8px;
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    background-color: #121212;
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

form .btn {
    width: 100%;
    margin-top: 1rem;
    cursor: pointer;
}

/* =========================================
   9. FOOTER & BACK TO TOP
   ========================================= */
footer {
    text-align: center;
    padding: 3rem 1rem;
    margin-top: 5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    background-color: rgba(5, 5, 5, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--accent);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    background-color: var(--accent-hover);
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.6);
}

/* =========================================
   10. DECORATIVE SIDE GLOW
   ========================================= */
.side-glow {
    position: fixed;
    top: var(--scroll-per, 0%);
    width: 50px;
    height: 30vh;
    z-index: -1;
    pointer-events: none;
    background: transparent;
    border-radius: 50%;
    filter: blur(10px);
    opacity: 0.8;
    transition: top 0.1s linear;
    transform: translateY(calc(-1 * var(--scroll-per, 0%)));
    animation: pulseSide 3s infinite alternate;
}

.left-glow {
    left: -20px;
    border-right: 5px solid var(--accent);
    box-shadow: 10px 0 20px var(--accent), 20px 0 60px var(--accent);
}

.right-glow {
    right: -20px;
    border-left: 5px solid #3b82f6;
    box-shadow: -10px 0 20px #3b82f6, -20px 0 60px #3b82f6;
}

@keyframes pulseSide {
    0% { height: 20vh; opacity: 0.5; filter: blur(10px); }
    100% { height: 35vh; opacity: 0.9; filter: blur(15px); }
}

/* =========================================
   11. RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 70px;
        right: 0;
        height: auto;
        min-height: 50vh;
        width: 100%;
        background-color: var(--nav-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transform: translateY(-150%);
        transition: transform 0.4s ease-in-out, opacity 0.4s ease;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding: 2rem 0;
        opacity: 0;
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0%);
        opacity: 1;
        pointer-events: all;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

    .menu-toggle {
        display: block;
        margin-left: 15px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-stats {
        justify-content: center;
    }

    .contact-container {
        padding: 2rem 1.5rem;
    }
    
    .side-glow {
        display: none;
    }
}

@media (max-width: 900px) {
    .hero-container {
        flex-direction: column-reverse; 
        text-align: center;
        gap: 2rem;
    }

    .hero-text {
        padding-left: 0;
        align-items: center;
        text-align: center;
    }
    
    .hero-text h1, 
    .hero-text p {
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-socials {
        justify-content: center;
    }

    .hero-image-wrapper {
        height: 350px;
        width: 100%;
        padding: 40px 0;
    }

    .hero-image-wrapper::after {
        width: 180px;
        height: 180px;
        filter: blur(60px);
    }

    .dev-img {
        max-width: 70%;
    }
    .hero-text h1 {
        font-size: 2.2rem;
        white-space: normal;
    }
    .hero-text h1 span {
    display: block; 
    margin-top: 0.5rem;
}
.typing-text {
    white-space: nowrap;
    font-size: 1.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
}
}