:root {
    
    --bg-primary: #080808;        
    --bg-secondary: #111111;      
    --bg-card: #1a1a1a;           
    --bg-card-hover: #222222;     

    --text-primary: #ffffff;      
    --text-secondary: #aaaaaa;    
    --text-muted: #666666;        

    --accent: #ffffff;            
    --accent-hover: #cccccc;      
    --border-color: #444444;
    --tag-bg: #2e2e2e;
    --tag-bg-active: #ffffff;
    --tag-text: #c4c4c4;
    --tag-text-active: #080808;   
    --overlay-bg: rgba(0,0,0,0.85); 

    
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --header-height: 70px;        
    --container-max: 1200px;      
    --container-wide: 1400px;     
    --gutter: clamp(16px, 4vw, 48px); 

    
    --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;        
    -webkit-text-size-adjust: 100%; 
}

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

ul, ol { list-style: none; }

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

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
    opacity: 0.8;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    font: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;   
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }     
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }      
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); } 
h4 { font-size: 1.25rem; }                        
h5 { font-size: 1rem; }                           
h6 { font-size: 0.875rem; }                       

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    max-width: 70ch; 
}

small, .text-small {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    min-height: var(--header-height);
    z-index: 1000;                 
    background: transparent;        
    transition: 
        transform 0.32s var(--ease-smooth),     
        background-color 0.25s ease;             
}

.site-header.scrolled {
    background: rgba(8, 8, 8, 0.95);
    backdrop-filter: blur(10px);     
    -webkit-backdrop-filter: blur(10px);
}

.site-header.header--hidden {
    transform: translateY(-110%);   
}

.header-inner {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    width: 100%;
    max-width: 100%;
    padding: 0.75rem clamp(1rem, 3vw, 2.5rem);
}

.header-logo {
    display: flex;
    align-items: flex-start;
}

.header-logo img,
.header-logo-img {
    width: 61px;
    height: 61px;
    max-width: 61px;
    max-height: 61px;
    object-fit: contain;
    filter: brightness(1);          
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.header-logo a:hover img {
    opacity: 0.85;
    transform: scale(1.05);
}

.desktop-nav {
    display: flex;
    gap: 2rem;                      
    align-items: center;
    padding-top: 1rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--text-primary);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
}

.nav-link:hover {
    opacity: 1;
    color: var(--accent-hover);
}

.header-burger-btn {
    display: none;          
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 1001;          
}

.burger-box {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.burger-inner {
    width: 24px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    transition: transform 0.3s var(--ease-smooth);
}

.burger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: transform 0.3s var(--ease-smooth), opacity 0.2s ease;
}

body.header--menu-open .burger-line.top-bun {
    transform: translateY(7px) rotate(45deg);
}

body.header--menu-open .burger-line.patty {
    opacity: 0;  
}

body.header--menu-open .burger-line.bottom-bun {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-overlay {
    display: none;                  
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

body.header--menu-open .mobile-nav-overlay {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 2rem;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.mobile-nav-link.active {
    text-decoration: underline;
    text-underline-offset: 6px;
}

body.header--menu-open {
    overflow: hidden;
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;      
    }

    .header-burger-btn {
        display: block;     
    }

    .mobile-nav-overlay {
        display: block;     
    }
}

.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer-title {
    font-size: clamp(1.58rem, 3.15vw, 2.63rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--text-primary);
    opacity: 1;
}

.footer-link--small {
    font-size: 0.84rem;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.social-link {
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, transform 0.2s ease;
}

.social-link svg {
    width: 29.4px;
    height: 29.4px;
}

.social-link:hover {
    color: var(--text-primary);
    transform: scale(1.1);
    opacity: 1;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    width: 100%;
}

.footer-copyright {
    font-size: 0.84rem;
    color: var(--text-muted);
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.container--wide {
    max-width: var(--container-wide);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.section {
    padding: 4rem 0;
}

.section--lg {
    padding: 6rem 0;
}

.preFade {
    opacity: 0;
    transform: translateY(14px);
    transition: 
        opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.24s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.preFade.fadeIn {
    opacity: 1;
    transform: translateY(0);
}

.tag-pill {
    display: inline-block;
    padding: 0.45rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0;               
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--tag-text);
    background: var(--tag-bg);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;              
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tag-pill:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.tag-pill.active {
    background: var(--tag-bg-active);
    color: var(--tag-text-active);
    border-color: var(--tag-bg-active);
}

.tag-display {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 0;
    font-size: 0.75rem;
    font-weight: 500;
    color: #c4c4c4;
    background: rgba(255, 255, 255, 0.14);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--accent);
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--bg-primary);
    background: var(--accent);
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.btn:hover {
    background: transparent;
    color: var(--accent);
    opacity: 1;
}

.btn--outline {
    background: transparent;
    color: var(--accent);
}

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

.btn--small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #000000;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transition: opacity 0.14s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.14s ease;
}

.page-transition-overlay.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-loading-spinner {
    width: 42px;
    height: 42px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-loading-spinner.is-visible {
    opacity: 1;
    visibility: visible;
}

.spinner-svg {
    width: 100%;
    height: 100%;
    animation: spinner-rotate 1.2s linear infinite;
}

.spinner-track {
    stroke: rgba(255, 255, 255, 0.15);
}

.spinner-circle {
    stroke: #ffffff;
    stroke-linecap: round;
    stroke-dasharray: 90, 150;
    stroke-dashoffset: 0;
    animation: spinner-dash 1.4s ease-in-out infinite;
}

@keyframes spinner-rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes spinner-dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}