/* DESIGN SYSTEM & TOKENS */
:root {
    /* Colors */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;     /* Navy/Anthracite */
    --text-secondary: #334155;   /* Dark Gray */
    --text-muted: #64748b;      /* Slate Gray */
    
    --color-blue-accent: #2563eb; /* Tech Electric Blue */
    --color-blue-dark: #1e40af;
    --color-blue-glow: rgba(37, 99, 235, 0.08);
    
    --color-green-accent: #10b981; /* Sustainability Leaf Green */
    --color-green-dark: #059669;
    --color-green-glow: rgba(16, 185, 129, 0.08);
    
    --border-color: #e2e8f0;
    --border-color-dark: #cbd5e1;
    
    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
    
    /* Border Radii */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 20px 40px -10px rgba(15, 23, 42, 0.08);
}

/* BASE STYLES */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/* LAYOUT & UTILITIES */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-subtitle {
    font-family: 'Outfit', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-blue-accent);
    display: inline-block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-blue-accent), var(--color-green-accent));
    border-radius: 2px;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-blue-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--text-primary);
    color: white;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* CARDS */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    overflow: hidden;
}

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

/* BADGES & TAGS */
.badge-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 50px;
    letter-spacing: 0.02em;
}

.badge-blue {
    background-color: var(--color-blue-glow);
    color: var(--color-blue-accent);
}

.badge-green {
    background-color: var(--color-green-glow);
    color: var(--color-green-accent);
}

.badge-gray {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
}

.tag-blue, .tag-green {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
    margin-bottom: 12px;
}

.tag-blue { color: var(--color-blue-accent); }
.tag-green { color: var(--color-green-accent); }

/* STICKY HEADER */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    z-index: 1000;
    display: flex;
    align-items: center;
}

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

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.logo-accent-blue {
    background: linear-gradient(135deg, var(--color-blue-accent), var(--color-green-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-dot {
    color: var(--color-green-accent);
}

.main-navigation ul {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-navigation a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.main-navigation a:hover {
    color: var(--color-blue-accent);
}

.main-navigation .nav-ai-link {
    color: var(--color-green-accent);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-navigation .nav-ai-link::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--color-green-accent);
    border-radius: 50%;
    animation: pulseGlow 2s infinite;
}

.btn-nav {
    background-color: var(--text-primary);
    color: white !important;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.btn-nav:hover {
    background-color: var(--color-blue-accent);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

/* MOBILE MENU TOGGLE */
.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-normal);
}

/* 1. HERO SEKCIJA */
.hero-section {
    position: relative;
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 100px;
    background-color: var(--bg-secondary);
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Blueprint Grid Background Pattern */
.blueprint-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(15, 23, 42, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
}

.hero-glow {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, rgba(16, 185, 129, 0.03) 50%, transparent 100%);
    pointer-events: none;
    z-index: 2;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 5;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero-tagline {
    font-size: 1.75rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--color-blue-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.engineering-card-frame {
    position: relative;
    width: 100%;
    max-width: 460px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-lg);
}

.tech-grid-dots {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    background-image: radial-gradient(var(--border-color-dark) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
    pointer-events: none;
}

.abstract-svg {
    width: 100%;
    height: auto;
    position: relative;
    z-index: 2;
}

.pulse-line {
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    animation: drawLine 6s ease-in-out infinite;
}

.pulse-line-delay {
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    animation: drawLine 6s ease-in-out infinite;
    animation-delay: 2s;
}

.visual-badge {
    position: absolute;
    bottom: 20px;
    right: -15px;
    background-color: var(--text-primary);
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.visual-badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-green-accent);
    border-radius: 50%;
    display: inline-block;
    animation: pulseGlow 1.5s infinite;
}

/* 2. O MENI SEKCIJA */
.about-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
    align-items: center;
}

.about-image-container {
    display: flex;
    justify-content: center;
}

.about-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 420px;
}

.about-img {
    width: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
    aspect-ratio: 4/5;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.experience-years-badge {
    position: absolute;
    top: 25px;
    left: -25px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 15px 25px;
    text-align: center;
}

.exp-number {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-blue-accent);
    line-height: 1;
}

.exp-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.lead-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.body-text {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.highlights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.highlight-item {
    display: flex;
    gap: 16px;
}

.highlight-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-blue {
    background-color: var(--color-blue-glow);
    color: var(--color-blue-accent);
}

.icon-green {
    background-color: var(--color-green-glow);
    color: var(--color-green-accent);
}

.highlight-item h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.highlight-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* 3. REFERENCE IN IZKUŠNJE */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 40px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-icon {
    position: absolute;
    left: 20px;
    top: 5px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: var(--transition-normal);
}

.timeline-number {
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.timeline-content {
    padding: 30px;
}

.timeline-item:hover .timeline-icon {
    border-color: var(--color-blue-accent);
    background-color: var(--color-blue-accent);
}

.timeline-item:hover .timeline-icon .timeline-number {
    color: white;
}

.timeline-tag {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 12px;
}

.timeline-content h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.timeline-desc {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 1rem;
}

.timeline-details {
    margin-left: 18px;
    list-style-type: disc;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.timeline-details li {
    margin-bottom: 8px;
}

.timeline-details li:last-child {
    margin-bottom: 0;
}

/* 4. PROJEKTI */
.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 50px;
}

.filter-btn {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 24px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.project-header {
    padding: 24px 24px 0;
}

.project-body {
    padding: 20px 24px 30px;
    flex-grow: 1;
}

.project-body h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.project-body p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.project-footer {
    padding: 0 24px 30px;
}

.btn-card {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-blue-accent);
    display: inline-flex;
    align-items: center;
    transition: var(--transition-fast);
}

.btn-card:hover {
    color: var(--text-primary);
    transform: translateX(4px);
}

/* 5. ZNANJA IN PODROČJA DELA */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.skill-column {
    padding: 35px 30px;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.skill-header h3 {
    font-size: 1.3rem;
}

.skill-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skill-list li {
    font-size: 0.95rem;
    color: var(--text-muted);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.skill-list li::before {
    content: '—';
    color: var(--color-blue-accent);
    font-weight: bold;
}

.skill-column:nth-child(even) .skill-list li::before {
    color: var(--color-green-accent);
}

/* 6. MOJ PRISTOP */
.approach-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.focus-statement {
    margin-top: 40px;
    background: linear-gradient(135deg, var(--color-blue-glow) 0%, var(--color-green-glow) 100%);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.focus-title {
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    display: block;
    margin-bottom: 8px;
}

.focus-badge {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-blue-dark), var(--color-green-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.approach-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.step-card {
    padding: 24px 30px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--border-color-dark);
    line-height: 1;
}

.step-card h4 {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.step-card:hover .step-number {
    color: var(--color-blue-accent);
}

.step-card:nth-child(even):hover .step-number {
    color: var(--color-green-accent);
}

/* 7. AI ASISTENT NA STRANI */
.ai-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.ai-capabilities {
    margin-top: 30px;
}

.ai-capabilities h4 {
    font-size: 1.05rem;
    margin-bottom: 16px;
}

.ai-capabilities ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-capabilities li {
    font-size: 0.95rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.ai-capabilities li svg {
    color: var(--color-green-accent);
    flex-shrink: 0;
}

/* Chat Widget UI */
.ai-chat-widget {
    height: 520px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    background-color: var(--text-primary);
    color: white;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.chat-bot-avatar {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-blue-accent), var(--color-green-accent));
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: white;
}

.online-indicator {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 10px;
    height: 10px;
    background-color: #10b981;
    border: 2px solid var(--text-primary);
    border-radius: 50%;
}

.chat-header-info h3 {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

.chat-header-info p {
    font-size: 0.75rem;
    opacity: 0.7;
}

.chat-messages {
    flex-grow: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background-color: #f8fafc;
}

.message {
    max-width: 80%;
    padding: 12px 18px;
    font-size: 0.925rem;
    line-height: 1.5;
    border-radius: var(--radius-md);
}

.bot-message {
    background-color: white;
    color: var(--text-secondary);
    align-self: flex-start;
    border-top-left-radius: 4px;
    border: 1px solid var(--border-color);
}

.user-message {
    background-color: var(--color-blue-accent);
    color: white;
    align-self: flex-end;
    border-top-right-radius: 4px;
}

/* Typing Indicator Styling */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 15px 20px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-muted);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: 200ms; }
.typing-dot:nth-child(2) { animation-delay: 300ms; }
.typing-dot:nth-child(3) { animation-delay: 400ms; }

@keyframes typing {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 24px;
    border-top: 1px solid var(--border-color);
    background-color: white;
}

.chip {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.chip:hover {
    background-color: var(--color-blue-glow);
    color: var(--color-blue-accent);
    border-color: var(--color-blue-accent);
}

.chat-input-area {
    padding: 16px 24px;
    display: flex;
    gap: 12px;
    border-top: 1px solid var(--border-color);
    background-color: white;
}

#chat-input {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.925rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition-fast);
}

#chat-input:focus {
    border-color: var(--color-blue-accent);
    box-shadow: 0 0 0 3px var(--color-blue-glow);
}

.btn-chat-send {
    background-color: var(--text-primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-chat-send:hover {
    background-color: var(--color-blue-accent);
}

/* 8. SODELOVANJE */
.collab-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
    align-items: flex-start;
}

.collab-cta-box {
    margin-top: 40px;
    padding: 35px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.collab-cta-box h4 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    line-height: 1.4;
}

.collab-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.collab-card {
    padding: 24px;
    display: flex;
    gap: 20px;
}

.collab-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.collab-card:hover .collab-icon {
    background-color: var(--color-blue-accent);
    color: white;
}

.collab-card:nth-child(even):hover .collab-icon {
    background-color: var(--color-green-accent);
}

.collab-details h3 {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.collab-details p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 9. KONTAKT */
.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
}

.contact-form-container {
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: inherit;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-blue-accent);
    background-color: white;
    box-shadow: 0 0 0 3px var(--color-blue-glow);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2224%22%20height%3D%2224%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23475569%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpolyline%20points%3D%226%209%2012%2015%2018%209%22%3E%3C%2Fpolyline%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

.form-feedback {
    margin-top: 16px;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    display: none;
}

.form-feedback.success {
    display: block;
    background-color: var(--color-green-glow);
    color: var(--color-green-dark);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-feedback.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.05);
    color: #b91c1c;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    padding: 24px;
    display: flex;
    gap: 20px;
    align-items: center;
}

.info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-details h3 {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.info-details p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.info-details a:hover {
    color: var(--color-blue-accent);
}

.project-links-list {
    list-style: none;
    margin-top: 4px;
}

.project-links-list li {
    margin-bottom: 4px;
}

.project-links-list li:last-child {
    margin-bottom: 0;
}

.project-links-list a {
    font-size: 0.95rem;
    color: var(--color-blue-accent);
    font-weight: 600;
}

.project-links-list a:hover {
    color: var(--text-primary);
}

/* 10. FOOTER */
.site-footer {
    background-color: var(--text-primary);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
}

.footer-tag {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-location {
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-location svg {
    color: var(--color-green-accent);
}

.footer-nav h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-nav ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
}

.footer-nav a {
    font-size: 0.9rem;
}

.footer-nav a:hover {
    color: white;
}

.footer-bottom {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
}

.footer-signature {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.4);
}

/* ANIMATIONS */
@keyframes drawLine {
    0% { stroke-dashoffset: 600; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -600; }
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

/* Scroll reveal initial states */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE STYLING (MEDIA QUERIES) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.2rem;
    }
    
    .hero-container,
    .about-grid,
    .approach-grid,
    .ai-grid,
    .collab-grid,
    .contact-grid {
        gap: 40px;
    }
}

@media (max-width: 900px) {
    .section-padding {
        padding: 80px 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .badge-container {
        justify-content: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image-container {
        order: -1;
    }
    
    .approach-grid {
        grid-template-columns: 1fr;
    }
    
    .ai-grid {
        grid-template-columns: 1fr;
    }
    
    .collab-grid {
        grid-template-columns: 1fr;
    }
    
    .collab-cta-box {
        margin-top: 20px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* MOBILE NAVIGATION */
    .mobile-nav-toggle {
        display: flex;
    }
    
    .main-navigation {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-secondary);
        z-index: 999;
        padding: 40px 24px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.4s ease, opacity 0.4s ease, visibility 0.4s ease;
        overflow-y: auto;
    }
    
    .main-navigation.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-navigation ul {
        flex-direction: column;
        align-items: stretch;
        gap: 24px;
    }
    
    .main-navigation a {
        font-size: 1.2rem;
        font-weight: 600;
        display: block;
        padding: 8px 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .btn-nav {
        background-color: var(--text-primary);
        color: white !important;
        text-align: center;
        border-radius: var(--radius-sm);
        border: none;
        padding: 12px !important;
    }
    
    /* Hamburger Transform to X */
    .mobile-nav-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-nav-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-nav-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

@media (max-width: 600px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-tagline {
        font-size: 1.3rem;
    }
    
    .experience-years-badge {
        left: 15px;
        top: -15px;
        padding: 10px 20px;
    }
    
    .exp-number {
        font-size: 1.8rem;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-icon {
        left: 0;
        width: 38px;
        height: 38px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 24px 16px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}