/* Portfolio Website - Enhanced Minimalistic Design */
/* Optimized for performance, WIX compatibility and responsiveness */

/* ========================
   CSS Custom Properties
======================== */
:root {
    /* Colors - Enhanced palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #0f0f0f;
    --bg-card: #1a1a1a;
    --bg-hover: #242424;
    --border: #262626;
    --border-light: #303030;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --text-dim: #707070;
    --accent: #ffffff;
    --accent-dim: #cccccc;
    --success: #22c55e;
    --timeline-line: #333333;
    
    /* Colored accents */
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-pink: #ec4899;
    --accent-cyan: #06b6d4;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 5rem;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    /* Layout */
    --container-width: 1200px;
    --nav-height: 60px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
}

/* ========================
   Base Styles
======================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ========================
   Typography - Consistent sizing
======================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    margin-bottom: var(--space-md);
    text-align: center;
    font-weight: 600;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-bottom: var(--space-sm);
}

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

/* Consistent paragraph and body text */
p, li, span {
    font-size: 1rem;
    line-height: 1.6;
}

.lead-text {
    font-size: 1.125rem;
    line-height: 1.7;
}

/* Section titles consistency */
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-secondary);
    margin-top: -0.75rem;
    margin-bottom: var(--space-xl);
}

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

a:hover {
    opacity: 0.8;
}

/* Global image styles for consistency */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Ensure images in containers maintain aspect ratio */
.case-thumbnail img,
.about-profile-image img,
.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================
   Layout
======================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

section {
    padding: var(--space-3xl) 0;
    position: relative;
}

/* Alternating section backgrounds */
.section-alternate {
    background: var(--bg-secondary);
}

#home {
    background: var(--bg-primary);
}

#about {
    background: var(--bg-secondary);
}

#works {
    background: var(--bg-primary);
}

#resume {
    background: var(--bg-secondary);
}

#contact {
    background: var(--bg-primary);
}

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

.nav .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
    position: relative;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    position: relative;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    margin-bottom: 4px;
    transition: all var(--transition-base);
}

/* ========================
   Hero Section
======================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--nav-height) + var(--space-2xl));
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    margin-bottom: var(--space-sm);
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.stat {
    padding: var(--space-sm);
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================
   About Section
======================== */
.about-intro-wrapper {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--space-xl);
    align-items: start;
    margin-bottom: var(--space-2xl);
}

.about-image-container {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-lg));
}

.about-profile-image {
    width: 100%;
    height: auto;
    //border-radius: 50%;
    object-fit: cover;
    aspect-ratio: 1;
    //background: var(--bg-card);
    //border: 3px solid var(--border);
}

.about-intro {
    padding-top: var(--space-sm);
}

.about-intro p {
    margin-bottom: var(--space-md);
}

.about-services,
.about-philosophy,
.about-optimize {
    margin-bottom: var(--space-2xl);
}

.about-services h3,
.about-philosophy h3,
.about-optimize h3 {
    margin-bottom: var(--space-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: var(--space-lg);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.service-card:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-sm);
}

.service-icon.colored {
    font-size: 24px;
}

.service-card h4 {
    margin-bottom: var(--space-xs);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Philosophy Quote with background */
.philosophy-quote {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-left: 4px solid var(--accent-purple);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-primary);
    border-radius: 4px;
}

.about-philosophy p {
    margin-bottom: var(--space-md);
}

/* Optimize grid - no wrapping */
.optimize-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.optimize-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    white-space: nowrap;
}

.optimize-item i {
    font-size: 1rem;
    flex-shrink: 0;
}

/* ========================
   Case Studies Section
======================== */
.case-studies {
    padding: var(--space-3xl) 0;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.case-thumbnail {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
    max-height: fit-content;
    max-width: fit-content;
}

.case-card:hover .case-thumbnail img {
    transform: scale(1.05);
}

.case-content {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-header {
    margin-bottom: var(--space-sm);
}

.case-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.case-tags {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.case-tag {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.case-summary {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
}

/* Case metrics styling fix */
.case-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    padding: var(--space-sm) 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-top: var(--space-sm);
}
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.case-metric {
    text-align: center;
}

.case-metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.case-metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

/* Case actions */
.case-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: auto;
    padding-top: var(--space-md);
}

.case-link {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    text-align: center;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    min-height: 40px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.case-link:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

.case-link.primary {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.case-link.primary:hover {
    background: var(--accent-dim);
    border-color: var(--accent-dim);
}

/* ========================
   Timeline
======================== */
.timeline {
    position: relative;
    padding: var(--space-xl) 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--timeline-line);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-2xl);
    display: flex;
    align-items: center;
}

.timeline-item-left {
    justify-content: flex-start;
}

.timeline-item-right {
    justify-content: flex-end;
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: var(--space-lg);
    border-radius: 8px;
    width: calc(50% - 40px);
}

.timeline-item-left .timeline-content {
    margin-right: auto;
}

.timeline-item-right .timeline-content {
    margin-left: auto;
}

.timeline-date {
    font-size: 0.875rem;
    color: var(--text-dim);
    margin-bottom: var(--space-xs);
}

.timeline-content h3 {
    margin-bottom: var(--space-xs);
}

.timeline-company {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.timeline-achievements {
    list-style: none;
    padding-left: 0;
}

.timeline-achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--space-xs);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.timeline-achievements li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-green);
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--bg-primary);
    border: 3px solid var(--accent);
    border-radius: 50%;
}

/* ========================
   Skills Section
======================== */
.skills-section {
    margin-top: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border);
}

.skills-section h3 {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
}

.skill-category h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

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

.skill-list li {
    color: var(--text-secondary);
    padding: var(--space-xs) 0;
    font-size: 0.95rem;
}

/* ========================
   Contact Section
======================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    max-width: 900px;
    margin: 0 auto;
}

.contact-form-container {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

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

.contact-info {
    padding: var(--space-xl) 0;
}

.contact-item {
    margin-bottom: var(--space-lg);
}

.contact-item h3 {
    margin-bottom: var(--space-sm);
}

.contact-label {
    display: inline-block;
    color: var(--text-secondary);
    margin-right: var(--space-sm);
    min-width: 80px;
}

/* Copy button styling */
.contact-value-wrapper {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.copy-btn:hover {
    color: var(--text-primary);
}

.copy-btn.copied {
    color: var(--success);
}

/* ========================
   Buttons
======================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid var(--border);
    border-radius: 4px;
    font-weight: 500;
    transition: all var(--transition-base);
    cursor: pointer;
    font-size: 1rem;
    min-height: 44px;
    text-decoration: none;
}

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

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

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

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

/* ========================
   Accessibility & Focus Styles
======================== */
/* Remove default focus outlines */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: none;
}

/* Add focus styles only for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Fallback for browsers that don't support :focus-visible */
@supports not selector(:focus-visible) {
    a:focus,
    button:focus {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }
}

.nav-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.case-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

/* Remove tap highlight on mobile */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* Improve button and link tap targets for mobile */
@media (pointer: coarse) {
    .nav-link,
    .case-link,
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
}

/* ========================
   Footer
======================== */
.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.875rem;
}

/* ========================
   Responsive Design
======================== */
/* Tablet styles */
@media (max-width: 1024px) and (min-width: 769px) {
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: var(--nav-height);
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--space-xl);
        transition: left var(--transition-base);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-intro-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .about-image-container {
        max-width: 200px;
        margin: 0 auto;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .optimize-grid {
        grid-template-columns: 1fr;
    }
    
    .optimize-item {
        white-space: normal;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-line {
        left: 20px;
    }
    
    .timeline-item {
        justify-content: flex-end !important;
        padding-left: 50px;
    }
    
    .timeline-content {
        width: 100%;
    }
    
    .timeline-marker {
        left: 20px;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    section {
        padding: var(--space-2xl) 0;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .case-actions {
        flex-direction: column;
    }
    
    .case-link {
        width: 100%;
    }
}

/* ========================
   Animations
======================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease-out;
}

/* ========================
   WIX Embedding Compatibility
======================== */
html, body {
    /* Ensure proper rendering in WIX iframe */
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    position: relative;
}

/* Remove any fixed positioning that might conflict with WIX */
@media (max-width: 991px) {
    .nav {
        position: absolute;
    }
}

/* Ensure all content is accessible in WIX environment */
* {
    -webkit-touch-callout: default;
    -webkit-user-select: text;
    -khtml-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/*
 * Provide an offset for in-page anchor navigation.
 * When clicking on links like #about or #works, the browser normally scrolls the target
 * section to the top of the viewport. Because the navigation bar is fixed at the top,
 * part of the section would be obscured. The scroll-margin-top property ensures that
 * sections are scrolled into view with a margin equal to the nav height. Adjust this
 * value if the nav height changes.
 */
section[id] {
    scroll-margin-top: 80px;
}