/* ===================================
   Darkvision Studios - Main Stylesheet
   Modern, clean design for indie game studio
   =================================== */

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #121218;
    --bg-card: #1a1a24;
    --bg-hover: #222230;

    --text-primary: #e8e8ea;
    --text-secondary: #a8a8b0;
    --text-muted: #6a6a72;

    --accent-primary: #6366f1;
    --accent-hover: #4f46e5;
    --accent-light: #818cf8;

    --border-color: #2a2a35;
    --border-subtle: #1f1f28;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Space Grotesk', var(--font-primary);

    /* Transitions */
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--accent-light);
}

/* ===================================
   Header / Navigation
   =================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    transition: opacity var(--transition);
}

.logo:hover {
    opacity: 0.8;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.main-nav {
    display: flex;
    gap: var(--spacing-xl);
}

.main-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition);
    position: relative;
}

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

.main-nav a.active {
    color: var(--text-primary);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -1.25rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: transform var(--transition);
}

/* ===================================
   Hero Section
   =================================== */

.hero-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-content-wrapper {
    max-width: 800px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
}

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

.btn-outline:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

.btn-text {
    background: transparent;
    color: var(--accent-primary);
    padding: 0.5rem 0;
    font-weight: 600;
}

.btn-text:hover {
    color: var(--accent-light);
}

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

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

/* ===================================
   Project Section
   =================================== */

.project-section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

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

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: transform var(--transition), border-color var(--transition);
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.project-header h3 {
    color: var(--text-primary);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-light);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.project-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: background var(--transition);
}

.feature:hover {
    background: var(--bg-hover);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.feature p {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.tech-stack {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-subtle);
}

.tech-stack h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.tech-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tech-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ===================================
   About Preview Section
   =================================== */

.about-preview {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.about-preview-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.about-preview-content h2 {
    margin-bottom: var(--spacing-md);
}

.about-preview-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   About Page
   =================================== */

.page-header {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    text-align: center;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.page-header h1 {
    margin-bottom: var(--spacing-md);
}

.page-header .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.about-content {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.about-main h2 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
}

.about-main h2:first-child {
    margin-top: 0;
}

.about-main p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.info-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.info-box h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
}

.info-list {
    list-style: none;
}

.info-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.info-list li:last-child {
    border-bottom: none;
}

/* ===================================
   Blog Page
   =================================== */

.blog-content {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.blog-posts {
    max-width: 800px;
    margin: 0 auto;
}

.blog-post {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    transition: transform var(--transition), border-color var(--transition);
}

.blog-post:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
}

.post-header {
    margin-bottom: var(--spacing-md);
}

.post-title {
    margin-bottom: var(--spacing-sm);
}

.post-title a {
    color: var(--text-primary);
    transition: color var(--transition);
}

.post-title a:hover {
    color: var(--accent-primary);
}

.post-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.post-category {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-light);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
}

.post-excerpt {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.read-more {
    color: var(--accent-primary);
    font-weight: 600;
}

.read-more:hover {
    color: var(--accent-light);
}

.no-posts {
    max-width: 600px;
    margin: var(--spacing-3xl) auto;
    text-align: center;
}

.placeholder-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.placeholder-content h2 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
}

.placeholder-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

/* ===================================
   Footer
   =================================== */

.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: var(--spacing-3xl);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 968px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    .hero-title {
        font-size: 3.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .main-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.25rem;
    }

    .hero-section {
        padding: var(--spacing-2xl) 0;
    }

    .project-section,
    .about-preview {
        padding: var(--spacing-2xl) 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .hero-title {
        font-size: 2rem;
    }

    .project-card,
    .info-box {
        padding: var(--spacing-md);
    }
}

/* ===================================
   Visual Enhancements & Jazz
   =================================== */

/* Animated gradient background */
.hero-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: gradientShift 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1) rotate(5deg);
    }
}

/* Hero badge */
.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }
    50% {
        box-shadow: 0 0 20px 0 rgba(99, 102, 241, 0.2);
    }
}

/* Enhanced hero section */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-title {
    position: relative;
    animation: titleFadeIn 1s ease-out;
}

@keyframes titleFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Button enhancements */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn svg {
    margin-left: 0.5rem;
    transition: transform var(--transition);
}

.btn:hover svg {
    transform: translateY(3px);
}

/* Enhanced project card */
.project-card {
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.8s;
}

.project-card:hover::before {
    left: 100%;
}

.status-badge {
    animation: badgeFloat 3s ease-in-out infinite;
}

@keyframes badgeFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Enhanced features */
.feature {
    position: relative;
    overflow: hidden;
}

.feature::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    transform: scaleX(0);
    transition: transform 0.4s;
}

.feature:hover::after {
    transform: scaleX(1);
}

.feature-icon {
    transition: transform 0.3s ease;
}

.feature:hover .feature-icon {
    transform: scale(1.2) rotate(5deg);
}

/* Tech tags enhancement */
.tech-tag {
    position: relative;
    transition: all var(--transition);
}

.tech-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
    border-color: var(--accent-primary);
}

/* Footer enhancement */
.site-footer {
    position: relative;
}

.footer-content {
    text-align: center;
}

.footer-brand h2 {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

/* Glow effects */
.glow-on-hover {
    position: relative;
}

.glow-on-hover::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-light));
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
    filter: blur(10px);
}

.glow-on-hover:hover::before {
    opacity: 0.7;
}

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

.project-section,
.about-preview {
    animation: fadeInUp 0.8s ease-out;
}

/* Enhanced link underlines */
.btn-text {
    position: relative;
}

.btn-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s;
}

.btn-text:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Responsive glow effects */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}