/* ================================
   Global Theme & Variables
================================ */

:root {
    --accent: #00ffff;
    --text: #ccc;
    --background: #000;
    --card-bg: #111;
    --neon-glow: #00ffff;
    --link-hover: #0ff;
    --shadow: 0 0 10px var(--neon-glow);
}

body.light {
    --accent: #222;
    --text: #222;
    --background: #f5f5f5;
    --card-bg: #fff;
    --neon-glow: #ccc;
    --link-hover: #555;
    --shadow: 0 0 10px #ccc;
}

/* ================================
   Base Styles & Transitions
================================ */

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3 {
    color: var(--accent);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* ================================
   Layout
================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

section {
    margin-bottom: 4rem;
}

header {
    background: var(--card-bg);
    padding: 1rem 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links a {
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s ease;
}

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

.nav-links a.active {
    border-bottom: 2px solid var(--accent);
}

main {
    padding: 2rem 0;
}

.hero {
    text-align: center;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--accent);
    text-shadow: 0 0 5px var(--neon-glow);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text);
}

footer {
    text-align: center;
    padding: 1rem;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease;
}

/* ================================
   Component Styles
================================ */

.neon-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent);
    transition: transform 0.2s;
}

.neon-btn:hover {
    transform: scale(1.05);
}

.glow {
    text-shadow: 0 0 5px var(--neon-glow), 0 0 10px var(--neon-glow);
}

.card {
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    padding: 1rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.demo-grid,
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.demo-card,
.blog-post {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 0 12px var(--neon-glow);
    transition: transform 0.2s;
}

.demo-card:hover,
.blog-post:hover {
    transform: translateY(-5px);
}

.read-more {
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
}

.read-more:hover {
    text-decoration: underline;
}

.video-row {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 2rem;
    scroll-snap-type: x mandatory;
}

.video-item {
    flex: 0 0 auto;
    width: 320px;
    scroll-snap-align: start;
    text-align: center;
}

.video-item iframe {
    width: 100%;
    height: 180px;
    border: 2px solid var(--accent);
    border-radius: 8px;
    box-shadow: 0 0 10px var(--accent);
}

.video-item p {
    margin-top: 0.5rem;
    font-size: 0.95rem;
    color: var(--text);
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.project-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 0 12px var(--neon-glow);
    transition: transform 0.2s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

.tool-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 0 12px var(--neon-glow);
    transition: transform 0.2s ease;
}

.tool-card:hover {
    transform: translateY(-5px);
}

.blog-post-full {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 0 12px var(--neon-glow);
}

/* ================================
   Modal Styles
================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 12px var(--neon-glow);
    position: relative;
}

.close {
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ================================
   Responsive Styles
================================ */

@media (max-width: 600px) {
    .video-item iframe {
        height: 160px;
    }
}