/* --- Global Reset & Variables --- */
:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(22, 28, 45, 0.4);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --youtube-red: #ef4444;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* --- Interactive Canvas Background --- */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* --- Header / Navigation --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-main);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.7);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.btn-danger {
    background-color: var(--youtube-red);
    color: #fff;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(239, 68, 68, 0.6);
}

/* --- Hero Section --- */
.hero {
    min-height: 20vh;
    display: flex;
    align-items: center;
    padding-top: 200px;
    padding-bottom: 100px;
}

.hero-content {
    max-width: 650px;
    margin: 70px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.bio {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* --- Portfolio Grid --- */
.portfolio {
    padding: 6rem 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent);
    border-radius: 2px;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1xl));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2.5rem;
    backdrop-filter: blur(8px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(59, 130, 246, 0.05);
}

.card-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.project-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.project-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    min-height: 72px;
}

.project-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.2s ease;
}

.project-card:hover .project-link {
    gap: 0.75rem;
}

/* --- YouTube Section --- */
.youtube-section {
    padding: 2rem 0 6rem 0;
}

.youtube-banner {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(11, 15, 25, 0.4) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 20px;
    padding: 3.5rem;
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
}

.banner-content {
    max-width: 600px;
}

.banner-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.red-icon {
    color: var(--youtube-red);
}

.banner-content p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* --- Footer --- */
footer {
    border-top: 1px solid var(--card-border);
    padding: 2rem 0;
    background-color: rgba(7, 10, 17, 0.8);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.footer-socials a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.footer-socials a:hover {
    color: var(--text-main);
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-content .fade-in:nth-child(1) { animation-delay: 0.1s; }
.hero-content .fade-in:nth-child(2) { animation-delay: 0.25s; }
.hero-content .fade-in:nth-child(3) { animation-delay: 0.4s; }
.hero-content .fade-in:nth-child(4) { animation-delay: 0.55s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Profile Picture Section --- */
.profile-section {
    text-align: center;
    margin: 4rem 0;
}

.profile-pic-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.profile-pic {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 4px solid var(--accent);
    box-shadow: 0 4px 20px var(--accent-glow);
}

/* --- About Me Section --- */
.about-section {
    margin: 6rem 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.about-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    margin: 0 auto;
    width: 100%;
    max-width: 900px;
}

.about-text {
    max-width: 800px;
    text-align: left;
    margin: 50px auto;
    line-height: 1.8;
    color: var(--text-muted);
}

.about-text h3 {
    margin-top: 1.5rem;
    color: var(--text-main);
}

.about-text ul {
    list-style: none;
    padding: 0;
}

.about-text li {
    margin-bottom: 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; } /* Kept clean for simplicity */
    .youtube-banner { padding: 2rem; }
    .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 900px) {
    .about-content {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
        margin: 0;
        max-width: 100%;
    }
    .about-text {
        text-align: left;
        max-width: 100%;
    }
}