/* The Weekend Projects - Main Styles */
/* Based on huashu-variation-1 design */

:root {
    --bg-dark: #0a0a0c;
    --bg-card: #131316;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-orange: #f97316;
    --accent-purple: #c026d3;
    --accent-orange-hover: #ea580c;
    --accent-purple-hover: #a21caf;
    --border-color: #26262c;
    --transition: all 0.3s ease;
}

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

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

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 200% 200%;
    animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
}

.logo .gradient-text {
    background-size: 200% 200%;
    animation: gradientMove 3s ease infinite;
}

nav {
    display: flex;
    gap: 32px;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
}

nav a:hover {
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
    top: 10%;
    right: 10%;
    border-radius: 50%;
    animation: float 10s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(192, 38, 211, 0.1) 0%, transparent 70%);
    bottom: 10%;
    left: 10%;
    border-radius: 50%;
    animation: float 12s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -50px); }
    66% { transform: translate(-20px, 20px); }
}

.hero-content {
    max-width: 720px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-purple) 100%);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(249, 115, 22, 0.5);
    transform: translateY(-3px);
}

/* Projects Section */
.projects {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(249, 115, 22, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.tag {
    padding: 6px 14px;
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.project-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.project-links a {
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.project-links a:hover {
    color: var(--accent-purple);
}

/* Blog Section */
.blog {
    padding: 100px 0;
    background: #0e0e10;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.blog-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.blog-card:hover {
    transform: translateY(-6px);
    border-color: rgba(192, 38, 211, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.blog-header {
    height: 180px;
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-orange) 100%);
    position: relative;
}

.blog-content {
    padding: 32px;
}

.blog-meta {
    display: flex;
    gap: 16px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-card h3 {
    font-size: 1.375rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.blog-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 24px;
}

/* About Section */
.about {
    padding: 100px 0;
    text-align: center;
}

.about-content {
    max-width: 720px;
    margin: 0 auto;
}

.about h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.about p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    background: #0e0e10;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 24px;
    font-size: 1.125rem;
    font-weight: 700;
}

.footer-col p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--accent-orange);
}

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    nav { display: none; }
    .cta-buttons { flex-direction: column; }
    .projects-grid { grid-template-columns: 1fr; }
}