/**
 * JavocSoft Portfolio - Main Stylesheet
 * 
 * A modern, minimalist design with smooth animations and responsive layout.
 * Color palette focused on professionalism with subtle accent colors.
 * 
 * @author JavocSoft
 * @version 1.0.0
 */

/* ==========================================
   CSS VARIABLES & ROOT STYLES
   ========================================== */

:root {
    /* Color Palette */
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    --color-secondary: #8b5cf6;
    --color-accent: #06b6d4;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    
    /* Neutral Colors */
    --color-dark: #0f172a;
    --color-dark-secondary: #1e293b;
    --color-gray: #64748b;
    --color-light-gray: #cbd5e1;
    --color-bg: #f8fafc;
    --color-white: #ffffff;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Space Grotesk', var(--font-primary);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Layout */
    --container-max-width: 1280px;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ==========================================
   BASE STYLES & RESET
   ========================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark);
}

a {
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-base);
}

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

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

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

.highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================
   HEADER SECTION
   ========================================== */

.header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 8px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    line-height: 1;
}

.tagline {
    font-size: 0.875rem;
    color: var(--color-gray);
    font-style: italic;
    line-height: 1;
}

.nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-dark);
    transition: all var(--transition-base);
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-bg);
    transform: translateY(-2px);
}

.nav-link i {
    font-size: 1rem;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    background: linear-gradient(
        90deg,
        #ffd700,
        #ffed4e,
        #87ceeb,
        #98fb98,
        #dda0dd,
        #ffd700
    );
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
    animation: shimmer 8s ease-in-out infinite;
}

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

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    max-width: 700px;
    margin: 0 auto;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* ==========================================
   FILTER SECTION
   ========================================== */

.filter-section {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background: var(--color-white);
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--color-white);
    color: var(--color-gray);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
}

.sort-toggle-btn {
    padding: 0.75rem 1.25rem;
    background: var(--color-white);
    color: var(--color-gray);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
    cursor: pointer;
}

.sort-toggle-btn:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sort-toggle-btn.active {
    background: linear-gradient(135deg, var(--color-secondary), #9333ea);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: var(--shadow-lg);
}

.sort-toggle-btn i {
    font-size: 1rem;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border-color: transparent;
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */

.projects-section {
    padding: var(--spacing-xl) 0 var(--spacing-xxl);
    min-height: 60vh;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-lg);
    animation: fadeIn 0.5s ease-in-out;
}

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

/* ==========================================
   PROJECT CARD
   ========================================== */

.project-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

.project-card.hidden {
    display: none;
}

.project-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.project-icon {
    width: 64px;
    height: 64px;
    min-width: 64px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: space-around;
    font-size: 2rem;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.project-icon i {
    /* Font Awesome icons */
    display: block;
}

.project-icon.has-image {
    padding: 0;
    box-sizing: border-box;
    background: transparent !important;
}

.project-icon img {
    width: 56px;
    height: 56px;
    max-width: 56px;
    max-height: 56px;
    border-radius: var(--border-radius);
    object-fit: contain;
    object-position: center center;
    display: block;
}

.project-title-wrapper {
    flex: 1;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.project-badges {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.project-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-bg);
    color: var(--color-gray);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(236, 72, 153, 0.1));
    border: 1px solid rgba(168, 85, 247, 0.2);
    color: #a855f7;
    border-radius: 20px;
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    opacity: 0.85;
}

.ai-badge i {
    font-size: 0.7rem;
}

.ai-badge:hover {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.25), rgba(236, 72, 153, 0.25));
    border-color: rgba(168, 85, 247, 0.5);
    transform: translateY(-1px);
}

.project-type.extension {
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
}

.project-type.service {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-secondary);
}

.project-type.api {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-accent);
}

.project-type.game {
    background: rgba(236, 72, 153, 0.1);
    color: #ec4899;
}

.project-type.other {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.project-description {
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.project-tech {
    margin-bottom: var(--spacing-md);
}

.tech-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
    display: block;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.25rem 0.75rem;
    background: var(--color-bg);
    border: 1px solid var(--color-light-gray);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--color-gray);
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.project-status {
    margin-bottom: var(--spacing-md);
    padding: 0.5rem;
    background: var(--color-bg);
    border-radius: var(--border-radius);
    text-align: center;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.status-badge.up {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.status-badge.down {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.project-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.project-link {
    flex: 1;
    min-width: fit-content;
    padding: 0.75rem 1.25rem;
    background: var(--color-dark);
    color: var(--color-white);
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.9rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
}

.project-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.project-link.primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.project-link.secondary {
    background: linear-gradient(135deg, var(--color-secondary), #6d28d9);
}

.project-link.success {
    background: linear-gradient(135deg, var(--color-success), #059669);
}

.project-link.info {
    background: linear-gradient(135deg, var(--color-accent), #0891b2);
}

/* ==========================================
   ECOSYSTEM SUGGESTIONS
   ========================================== */

.ecosystem-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px dashed var(--color-light-gray);
}

.ecosystem-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ecosystem-title i {
    color: var(--color-secondary);
}

.ecosystem-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ecosystem-tag {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(37, 99, 235, 0.1));
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--color-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.ecosystem-tag:hover {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   MODAL
   ========================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    animation: modalFadeIn var(--transition-base);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn var(--transition-base);
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-bg);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-gray);
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--color-dark);
    color: var(--color-white);
    transform: rotate(90deg);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background: var(--color-dark);
    color: var(--color-light-gray);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-brand p {
    color: var(--color-light-gray);
    margin-bottom: 0.5rem;
}

.footer-year {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.footer-links h4,
.footer-support h4 {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--color-dark-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    transform: translateY(-3px);
}

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

.support-btn {
    padding: 0.75rem 1.5rem;
    background: var(--color-dark-secondary);
    color: var(--color-white);
    border-radius: var(--border-radius);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all var(--transition-base);
}

.support-btn:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    transform: translateX(5px);
}

.footer-tech {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-dark-secondary);
    border-bottom: 1px solid var(--color-dark-secondary);
}

.footer-tech p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray);
}

.tech-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 2rem;
}

.tech-icons span {
    color: var(--color-light-gray);
    transition: all var(--transition-base);
    cursor: default;
}

.tech-icons span:hover {
    color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    color: var(--color-gray);
}

.footer-bottom a {
    color: var(--color-light-gray);
    transition: color var(--transition-base);
}

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

.footer-bottom i {
    color: #ef4444;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20% {
        transform: scale(0.9);
    }
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .filter-controls {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .filter-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .filter-btn {
        width: 100%;
        justify-content: center;
    }
    
    .sort-toggle-btn {
        width: 100%;
        justify-content: center;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .project-links {
        flex-direction: column;
    }
    
    .project-link {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .modal-content {
        width: 95%;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .project-card {
        padding: var(--spacing-md);
    }
    
    .project-icon {
        width: 56px;
        height: 56px;
        min-width: 56px;
    }
    
    .project-title {
        font-size: 1.25rem;
    }
}

/* ==========================================
   ACCESSIBILITY & PRINT
   ========================================== */

/* Focus styles for keyboard navigation */
*:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .header,
    .filter-section,
    .footer,
    .modal {
        display: none;
    }
    
    .project-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* ==========================================
   SCROLLBAR CUSTOMIZATION
   ========================================== */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-light-gray);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray);
}