:root {
    --bg-dark: #0a0a0a;
    --bg-section: #111111;
    --bg-pure: #000000;
    --text-primary: #ffffff;
    --text-muted: #666666;
    --text-accent: #f5f5f5;
    --accent: #ffffff;
    --accent-green: #00ff88;
    --border: #222222;
    --border-light: #333333;
    
    --font-main: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;
    
    --transition-fast: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-snap: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

a {
    color: inherit;
    text-decoration: none;
}

.grid-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    opacity: 0.5;
}

strong {
    font-weight: 700;
    color: var(--text-accent);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    transition: background var(--transition-snap);
}

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

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.nav__logo {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav__links {
    display: flex;
    gap: var(--space-md);
}

.nav__link {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    color: var(--text-primary);
    transition: color var(--transition-snap);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: var(--space-sm);
    width: calc(100% - calc(var(--space-sm) * 2));
    height: 1px;
    background: var(--text-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-snap);
}

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

.nav__link.magnetic {
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.lang-toggle {
    display: none;
    font-family: var(--font-main);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--text-muted);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-snap);
}

.lang-toggle:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

html[lang="ka"] body {
    font-family: 'Noto Sans Georgian', var(--font-main);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
    position: relative;
    overflow: hidden;
}

.hero__container {
    max-width: 1400px;
    width: 100%;
    position: relative;
    z-index: 1;
}

/* 3D Wireframe Cube — decorative hero background element.
   perspective on viewport + preserve-3d on .cube enable the
   3D space.  Face positions are overridden by JS on scroll
   to create an expanding "explode" effect. */
.cube-viewport {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    perspective: 1000px;
    z-index: 0;
    pointer-events: none;
    opacity: 0.3;
}

.cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(0deg) rotateY(0deg);
}

.cube-face {
    position: absolute;
    width: 300px;
    height: 300px;
    border: 1px solid var(--accent-green);
    background: transparent;
}

.cube-face--front  { transform: rotateY(  0deg) translateZ(150px); }
.cube-face--right  { transform: rotateY( 90deg) translateZ(150px); }
.cube-face--back   { transform: rotateY(180deg) translateZ(150px); }
.cube-face--left   { transform: rotateY(-90deg) translateZ(150px); }
.cube-face--top    { transform: rotateX( 90deg) translateZ(150px); }
.cube-face--bottom { transform: rotateX(-90deg) translateZ(150px); }

.hero__label {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.hero__title {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.hero__line {
    font-size: clamp(2rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    text-transform: uppercase;
}

.hero__line--muted {
    color: var(--text-muted);
    font-size: clamp(1rem, 4vw, 2.5rem);
    font-weight: 400;
    letter-spacing: 0.05em;
}

.hero__line--accent {
    color: var(--text-primary);
    transition: color var(--transition-fast), filter var(--transition-fast);
    line-height: 0.85;
    letter-spacing: -0.06em;
    padding-top: var(--space-xs);
    display: inline-block;
}

.hero__line--accent.inverted {
    color: var(--bg-dark);
    background: var(--text-primary);
    padding: 0.1em 0.2em;
    margin-left: -0.2em;
}

.hero__anchor {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-md);
    width: 24px;
    height: 24px;
    color: var(--text-muted);
    transition: color var(--transition-snap), transform var(--transition-snap);
}

.hero__anchor:hover {
    color: var(--text-primary);
    transform: translateY(4px);
}

.section__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md);
}

.section__grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.section__label {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    text-transform: uppercase;
    position: sticky;
    top: 100px;
}

.section__label span:first-child {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 700;
}

.section__content {
    border-top: 1px solid var(--border);
    padding-top: var(--space-lg);
}

.reveal {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

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

.about {
    background: var(--bg-section);
}

.about__text {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 400;
    line-height: 1.5;
    max-width: 800px;
    color: var(--text-muted);
}

.about__text strong {
    color: var(--text-primary);
}

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

.skills__divider {
    width: 100%;
    height: 1px;
    background: var(--border);
    margin: var(--space-sm) 0;
}

.skill {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-md);
    border: 1px solid var(--border);
    transition: all var(--transition-snap);
    flex: 1 1 180px;
    max-width: 195px;
}

.skill:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px -10px rgba(255, 255, 255, 0.1);
}

.skill__icon {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: color var(--transition-snap);
    flex-shrink: 0;
}

.skill:hover .skill__icon {
    color: rgba(10, 10, 10, 0.6);
}

.skill__category {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    transition: color var(--transition-snap);
}

.skill:hover .skill__category {
    color: rgba(10, 10, 10, 0.6);
}

.skill__name {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    transition: color var(--transition-snap);
}

.skill:hover .skill__name {
    color: var(--bg-dark);
}

.venture {
    background: var(--bg-section);
}

.project {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.01);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.project::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid transparent;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    pointer-events: none;
}

.project:hover {
    background: rgba(255, 255, 255, 0.03);
    transform: translateY(-4px);
}

.project:hover::before {
    border-color: var(--accent-green);
    box-shadow: inset 0 0 20px rgba(0, 255, 136, 0.05);
}

.project--flagship {
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--border-light);
}

.project--wide {
    grid-column: 1 / -1;
}

.project-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.project__header {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.project__title {
    font-size: clamp(1.5rem, 3.5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
    word-break: break-word;
    hyphens: auto;
}

.project__role {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.project__meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.project__status {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent-green);
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--accent-green);
    animation: pulse-status 2s ease-in-out infinite;
}

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

.project__description {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-muted);
    max-width: 600px;
}

.project__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.project__logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border: 1px solid var(--border);
    padding: var(--space-sm);
    background: var(--bg-dark);
}

.project__social {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: var(--space-sm) 0;
    transition: color var(--transition-snap);
}

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

.project__links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.icon-external {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-snap);
}

.project__social:hover .icon-external {
    transform: translate(3px, -3px);
}

.icon-instagram {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-snap);
}

.project__social:hover .icon-instagram {
    transform: scale(1.1);
}

.tag {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: all var(--transition-snap);
    cursor: default;
}

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

.contact__cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__text {
    font-size: 1rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.contact__link {
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    position: relative;
    display: inline-block;
    transition: color var(--transition-snap);
}

.contact__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

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

.contact__socials {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.contact__social {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    transition: color var(--transition-snap);
}

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

.contact__social svg {
    width: 20px;
    height: 20px;
}

.icon-email {
    width: 20px;
    height: 20px;
}

.footer {
    border-top: 1px solid var(--border);
}

.footer__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__copy,
.footer__location {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 6rem;
        --space-2xl: 8rem;
    }
    
    .section__grid,
    .project-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .section__label {
        flex-direction: row;
        gap: var(--space-sm);
        position: static;
    }
    
    .hero__anchor {
        display: none;
    }
    
    .skill {
        max-width: calc(50% - var(--space-sm) / 2);
    }
    
    .cube-viewport {
        transform: translateY(-50%) scale(0.6);
        right: -10%;
    }
}

@media (max-width: 480px) {
    .nav__links {
        gap: var(--space-sm);
    }
    
    .skill {
        max-width: 100%;
    }
    
    .footer__container {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .cube-viewport {
        transform: translateY(-50%) scale(0.4);
        right: -15%;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
}

.pricing {
    --bg-section: var(--bg-dark);
    background-color: var(--bg-pure);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.pricing__card {
    background-color: var(--bg-pure);
    border: 1px solid var(--border);
    padding: var(--space-lg) var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    transition: all var(--transition-snap);
    position: relative;
    cursor: pointer;
    height: 100%;
}

.pricing__card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.pricing__card.selected {
    border-color: var(--text-primary);
    background-color: var(--bg-dark);
    box-shadow: 0 0 30px rgba(0,0,0,0.8);
}

.pricing__title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.pricing__price {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 400;
    color: var(--text-primary);
    letter-spacing: -0.05em;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
    transition: border-color var(--transition-snap);
}

.pricing__card.selected .pricing__price {
    border-bottom-color: var(--border-light);
}

.pricing__desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex-grow: 1;
}

.pricing__indicator {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--border-light);
    margin-top: auto;
    text-align: right;
    transition: color var(--transition-snap);
}

.pricing__card:hover .pricing__indicator {
    color: var(--text-muted);
}

.pricing__card.selected .pricing__indicator {
    color: var(--text-primary);
}

.pricing__footer {
    border-top: 1px solid var(--border);
    padding-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.calculator__label {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.checkbox-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    user-select: none;
    padding: var(--space-xs) 0;
    position: relative;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.custom-checkbox {
    width: 20px;
    height: 20px;
    min-width: 20px;
    background-color: var(--bg-pure);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.checkbox-container input:checked ~ .custom-checkbox {
    background-color: var(--text-primary);
    border-color: var(--text-primary);
}

.checkbox-container input:checked ~ .custom-checkbox svg {
    opacity: 1;
    transform: scale(1);
}

.checkbox-container span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: color 0.2s ease;
}

.checkbox-container:hover span {
    color: var(--text-accent);
}

.checkbox-container input:checked ~ span {
    color: var(--text-primary);
}

.calculator__total-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.calculator__total {
    display: flex;
    flex-direction: column;
}

.calculator__total-label {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.calculator__total-amount {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--text-primary);
    letter-spacing: -0.05em;
    line-height: 1;
}

.pricing__scroll-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--text-primary);
    color: var(--bg-dark);
    transition: transform var(--transition-snap), background-color var(--transition-snap);
    cursor: pointer;
}

.pricing__scroll-btn:hover {
    transform: scale(1.1);
    background-color: var(--text-accent);
}

.pricing__scroll-btn svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .pricing__grid {
        grid-template-columns: 1fr;
    }
    
    .pricing__card {
        padding: var(--space-md);
    }

    .calculator__total-wrapper {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-md);
    }
}