/* ========================================
   游戏开发者展示网站 - 主样式文件
   域名: wap.work
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #6c5ce7;
    --secondary-color: #00cec9;
    --accent-color: #fd79a8;
    --dark-bg: #0a0a0f;
    --card-bg: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --border-color: #2a2a3e;
    --gradient-primary: linear-gradient(135deg, #6c5ce7 0%, #00cec9 100%);
    --gradient-hero: linear-gradient(135deg, rgba(108, 92, 231, 0.3) 0%, rgba(0, 206, 201, 0.2) 100%);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 60px rgba(108, 92, 231, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 206, 201, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(253, 121, 168, 0.1) 0%, transparent 50%);
    animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--secondary-color);
    border-radius: 50%;
    opacity: 0.5;
    animation: particleFloat 15s infinite linear;
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) translateX(0); opacity: 0; }
    10% { opacity: 0.5; }
    90% { opacity: 0.5; }
    100% { transform: translateY(-100px) translateX(100px); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(108, 92, 231, 0.2);
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 30px rgba(108, 92, 231, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(108, 92, 231, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: rgba(108, 92, 231, 0.1);
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Portfolio Grid
   ======================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.project-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-image .placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 3rem;
}

.project-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-released {
    background: rgba(0, 206, 201, 0.2);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

.status-dev {
    background: rgba(253, 121, 168, 0.2);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.project-info {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: rgba(108, 92, 231, 0.15);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

.project-stats {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ========================================
   About Section
   ======================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.about-avatar {
    position: relative;
}

.avatar-frame {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 20px;
    background: var(--gradient-primary);
    padding: 4px;
}

.avatar-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border-radius: 16px;
    font-size: 5rem;
}

.about-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.skill-card {
    padding: 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.skill-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.skill-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.skill-level {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ========================================
   Blog Section
   ======================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: var(--secondary-color);
}

.blog-image {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.blog-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-primary);
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--primary-color);
    background: rgba(108, 92, 231, 0.1);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-avatar {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--dark-bg);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* Lazy loading placeholder */
.lazy-load {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lazy-load.loaded {
    opacity: 1;
}