* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 100 900;
    font-display: block;
    src: url(https://fonts.gstatic.com/s/inter/v18/UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuI6fMZhrib2Bg-4.woff2) format('woff2');
    unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 100 900;
    font-display: block;
    src: url(https://fonts.gstatic.com/s/inter/v18/UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuLyfMZhrib2Bg-4.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

html {
    scroll-padding-top: 80px;
}

@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

@media (prefers-reduced-motion: no-preference) {
    * {
        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    }

    button, .card, a, .btn, .big-btn {
        transition-timing-function: cubic-bezier(0.4, 0.0, 0.2, 1);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    h1, h2, h3 {
        transition: font-variation-settings 0.01ms !important;
    }

    button, .btn, .big-btn {
        transition: transform 0.01ms !important;
    }

    .card {
        transition: transform 0.01ms !important;
        box-shadow: 0.01ms !important
    }

    [data-lang-content] {
        transition: opacity 0.01ms, transform 0.01ms !important
    }
}

body {
    font-family: 'Inter', 'Segoe UI', 'Frutiger LT Pro', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    color: #1a1a1a;
    letter-spacing: -0.01em;
    font-feature-settings: 'ss01' on, 'ss02' on;
    opacity: 0;
    position: relative;
    overflow-x: hidden;
}

body.fonts-loaded {
    animation: pageLoad 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes pageLoad {
    to {
        opacity: 1;
    }
}

#loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10002;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.5s;
}

#loader-container.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid #f0f0f0;
    border-top-color: #ffff00;
    border-radius: 50%;
    animation: loaderSpin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes loaderSpin {
    to {
        transform: rotate(360deg);
    }
}

#custom-cursor {
    position: fixed;
    width: 18px;
    height: 18px;
    background: #000000;
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate3d(-50%, -50%, 0);
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1),
                width 0.15s cubic-bezier(0.4, 0, 0.2, 1),
                height 0.15s cubic-bezier(0.4, 0, 0.2, 1),
                background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, background-color;
    backface-visibility: hidden;
}

#custom-cursor.on-footer {
    background: #ffffff;
}

#custom-cursor.active {
    width: 26px;
    height: 26px;
    opacity: 0.8;
}

@media (max-width: 768px), (pointer: coarse) {
    #custom-cursor {
        display: none !important;
    }
}

#top-bar {
    position: fixed;
    font-family: Inter, sans-serif;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: #ffff00;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    overflow: hidden;
    outline: none !important;
}


#top-bar,
#top-bar *,
#top-bar:focus,
#top-bar *:focus,
#top-bar:focus-visible,
#top-bar *:focus-visible,
#top-bar:focus-within,
#top-bar:active,
#top-bar *:active {
    outline: none !important;
    border: none !important;
}



.right-section {
    display: flex;
    align-items: center;
    gap: 25px;
    outline: none !important;
}

.right-section *,
.right-section *:focus,
.right-section *:focus-visible,
.right-section *:active {
    outline: none !important;
    border: none !important;
}



#logo {
    font-size: 24px;
    font-weight: 600;
    color: #000000;
    letter-spacing: -0.02em;
    transition: opacity 0.2s ease;
    outline: none !important;
}

#logo:hover {
    opacity: 0.75;
}

#logo:focus,
#logo:focus-visible,
#logo:active {
    outline: none !important;
    border: none !important;
}

.top-nav {
    display: flex;
    gap: 20px;
    outline: none !important;
}

.top-nav a {
    font-size: 15px;
    font-weight: 500;
    color: #000000;
    text-decoration: none;
    letter-spacing: -0.01em;
    transition: opacity 0.2s ease;
    position: relative;
    outline: none !important;
}

.top-nav a:hover {
    opacity: 0.65;
}

.top-nav a:focus,
.top-nav a:focus-visible,
.top-nav a:active {
    outline: none !important;
    border: none !important;
    opacity: 0.7;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    outline: none !important;
    font-family: Inter, sans-serif;
}

.language-switcher *,
.language-switcher *:focus,
.language-switcher *:focus-visible,
.language-switcher *:active {
    outline: none !important;
    border: none !important;
}

.lang-btn {
    background: none;
    border: none !important;
    font-size: 15px;
    font-weight: 500;
    color: #000000;
    padding: 4px 8px;
    cursor: none;
    font-family: Inter, sans-serif;
    transition: opacity 0.2s ease, font-weight 0.2s ease;
    letter-spacing: -0.01em;
    opacity: 0.5;
    outline: none !important;
}

.lang-btn.active {
    font-weight: 700;
    opacity: 1;
}

.lang-btn:hover {
    opacity: 0.75;
}

.lang-btn:focus,
.lang-btn:focus-visible,
.lang-btn:active {
    outline: none !important;
    border: none !important;
}

[data-lang-content] {
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translate3d(0, 0, 0);
}

[data-lang-content].animating-out {
    will-change: opacity, transform;
}

.lang-separator {
    color: #000000;
    font-size: 15px;
    opacity: 0.3;
}

button,
button:focus,
button:focus-visible,
button:active {
    outline: none !important;
}

a,
a:focus,
a:focus-visible,
a:active {
    outline: none !important;
}

*:focus {
    outline: none !important;
}

*:focus-visible {
    outline: none !important;
}

main {
    margin-top: 100px;
    padding: 60px 40px;
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
}

h1 {
    font-size: 48px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    line-height: 1.1;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    font-variation-settings: 'wght' 450;
    transition: font-variation-settings 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

h1:hover {
    font-variation-settings: 'wght' 650;
    will-change: font-variation-settings;
}

h2 {
    font-variation-settings: 'wght' 400;
    transition: font-variation-settings 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translate3d(0, 0, 0);
}

h2:hover {
    font-variation-settings: 'wght' 600;
    will-change: font-variation-settings;
}

h3 {
    font-variation-settings: 'wght' 380;
    transition: font-variation-settings 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translate3d(0, 0, 0);
}

.subtitle {
    font-size: 20px;
    color: #666666;
    margin-bottom: 80px;
    line-height: 1.7;
    letter-spacing: -0.01em;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: #999999;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 24px;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.card {
    background: #fafafa;
    border: 1px solid #e8e8e8;
    padding: 32px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 1px;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    perspective: 1000px;
}

.card:hover {
    background: #f5f5f5;
    border-color: #d0d0d0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translate3d(0, -2px, 0);
    will-change: transform, box-shadow;
}

.card h3 {
    font-size: 20px;
    color: #000000;
    margin-bottom: 10px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.card p {
    font-size: 15px;
    color: #666666;
    line-height: 1.65;
    margin-bottom: 24px;
}

.btn {
    display: inline-block;
    padding: 11px 22px;
    background: #000000;
    border: none;
    color: #ffffff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    outline: none;
    position: relative;
    overflow: hidden;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    perspective: 1000px;
    --mouse-x: 50%;
    --mouse-y: 50%;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle 60px at var(--mouse-x) var(--mouse-y),
        rgba(255, 255, 255, 0.08) 0%,
        rgba(255, 255, 255, 0.04) 40%,
        transparent 70%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.btn:hover::before {
    opacity: 1;
}

.btn:hover {
    background: #1a1a1a;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    will-change: transform;
}

.btn:active {
    transform: translate3d(0, 0, 0);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.btn:focus-visible {
    outline: 3px solid #ffff00;
    outline-offset: 3px;
}

.content-section {
    margin-bottom: 80px;
}

.content-section h2 {
    font-size: 32px;
    font-weight: 600;
    color: #000000;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    font-variation-settings: 'wght' 400;
    transition: font-variation-settings 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translate3d(0, 0, 0);
}

.content-section h2:hover {
    font-variation-settings: 'wght' 600;
    will-change: font-variation-settings;
}

.content-section p {
    font-size: 18px;
    color: #666666;
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 800px;
}

.action-zone {
    margin-top: 60px;
    margin-bottom: 80px;
    text-align: center;
    padding: 60px 40px;
    background: #fafafa;
    border: 1px solid #e8e8e8;
    transition: background 0.3s ease;
}

.action-zone:hover {
    background: #f7f7f7;
}

.action-zone h2 {
    font-size: 28px;
    font-weight: 600;
    color: #000000;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.action-zone p {
    font-size: 16px;
    color: #666666;
    margin-bottom: 28px;
}

.big-btn {
    padding: 16px 42px;
    font-size: 16px;
    background: #000000;
    border: none;
    color: #ffffff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    outline: none;
    position: relative;
    overflow: hidden;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    perspective: 1000px;
    --mouse-x: 50%;
    --mouse-y: 50%;
}

.big-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle 70px at var(--mouse-x) var(--mouse-y),
        rgba(255, 255, 255, 0.09) 0%,
        rgba(255, 255, 255, 0.05) 40%,
        transparent 70%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.big-btn:hover::before {
    opacity: 1;
}

.big-btn:hover {
    background: #1a1a1a;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    will-change: transform;
}

.big-btn:active {
    transform: translate3d(0, 0, 0);
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15);
}

.big-btn:focus-visible {
    outline: 3px solid #ffff00;
    outline-offset: 3px;
}

footer {
    background: #000;
    color: #fff;
    padding: 80px 40px 40px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-columns {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #ffff00;
    font-variation-settings: 'wght' 600;
}

.footer-column a {
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease, opacity 0.3s ease;
    cursor: none;
}

.footer-bottom a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.667);
    text-decoration: none;
    transition: color 0.3s ease, opacity 0.3s ease;
    cursor: none;
}

.footer-bottom a:hover {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.859);
    text-decoration: none;
    transition: color 0.3s ease, opacity 0.3s ease;
    cursor: none;
}

.footer-column a:hover {
    color: #ffff00;
    opacity: 0.8;
}

.hero-section {
    margin-bottom: 100px;
    text-align: center;
}

.hero-section h1 {
    font-size: 64px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 20px;
    letter-spacing: -0.04em;
    line-height: 1.05;
    font-variation-settings: 'wght' 500;
    transition: font-variation-settings 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-section h1:hover {
    font-variation-settings: 'wght' 700;
}

.hero-section .subtitle {
    font-size: 20px;
    color: #666666;
    max-width: 680px;
    margin: 0 auto 40px;
    line-height: 1.65;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto 100px;
    padding: 60px 0;
}

.stat-item {
    text-align: center;
}

.stat-item:nth-child(4) {
    grid-column: 2 / 3;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
    transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                text-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                filter 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.stat-item:hover .stat-number {
    color: #ffff00;
    text-shadow: 2px 2px 0 #000000;
    filter: brightness(1.1);
    will-change: color;
}

.stat-label {
    font-size: 14px;
    color: #999999;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.about-section {
    margin-bottom: 100px;
    background: #fafafa;
    border: 1px solid #e8e8e8;
    padding-left: 60px;
    padding-right: 60px;
    padding-top: 60px;
    padding-bottom: 40px;
    border-radius: 1px;
    transition: background 0.3s ease;
}

.about-section:hover {
    background: #f7f7f7;
}

.about-section h2 {
    font-size: 36px;
    font-weight: 600;
    color: #000000;
    margin-bottom: 24px;
    letter-spacing: -0.025em;
    text-align: left;
    font-variation-settings: 'wght' 400;
    transition: font-variation-settings 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}


.about-section p {
    font-size: 17px;
    color: #666666;
    line-height: 1.75;
    margin-bottom: 20px;
}

.cta-section {
    margin: 100px 0;
    text-align: center;
    padding: 80px 40px;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    border: 1px solid #e8e8e8;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.cta-section:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
    background: linear-gradient(135deg, #f8f8f8 0%, #f3f3f3 100%);
}

.cta-section h2 {
    font-size: 40px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    transition: font-variation-settings 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translate3d(0, 0, 0);
}

.cta-section p {
    font-size: 18px;
    color: #666666;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.link-item {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s ease;
    display: inline-block;
}

.link-item:hover {
    transform: translate3d(0, -1px, 0);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
    transition: opacity 0.3s ease;
}

.card:hover .feature-icon {
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.section-spacing {
    margin-bottom: 100px;
}

.fade-in {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
    backface-visibility: hidden;
}

.fade-in.visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.stagger-item {
    opacity: 0;
    transform: translate3d(0, 20px, 0);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
    backface-visibility: hidden;
}

.stagger-item.visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

.slide-up {
    opacity: 0;
    transform: translate3d(0, 40px, 0);
    transition: opacity 0.9s cubic-bezier(0.4, 0, 0.2, 1), transform 0.9s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
    backface-visibility: hidden;
}

.slide-up.visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

.cta-section.visible {
    animation: pulse 3s ease-in-out infinite;
}

.page-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    z-index: 9999;
    pointer-events: none;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    visibility: hidden;
}

.page-overlay.active {
    background: rgba(0, 0, 0, 0.95);
    opacity: 1;
    visibility: visible;
}

@keyframes flicker {
    0%, 19.999%, 22%, 62.999%, 64%, 64.999%, 70%, 100% {
        opacity: 1;
    }
    20%, 21.999%, 63%, 63.999%, 65%, 69.999% {
        opacity: 0;
    }
}

.connect-flicker {
    animation: flicker 1.5s ease-in-out;
    position: relative;
    z-index: 10000;
    color: #fff;
    transition: color 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.connect-flicker * {
    animation: flicker 1.5s ease-in-out;
    color: #fff;
    transition: color 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.connect-flicker.fade-back,
.connect-flicker.fade-back * {
    color: inherit;
}

img {
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                filter 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

img.loaded {
    opacity: 1;
    filter: blur(0);
}

@media (max-width: 768px) {
    #top-bar {
        padding: 0 20px;
    }

    main {
        padding: 40px 20px;
        margin-top: 80px;
    }

    h1 {
        font-size: 36px;
    }

    .hero-section h1 {
        font-size: 42px;
    }

    .card-container {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .stat-item:nth-child(4) {
        grid-column: 1;
    }

    .about-section {
        padding: 40px 30px;
    }

    .footer-columns {
        flex-direction: column;
        gap: 40px;
    }
    
    footer {
        padding: 60px 30px 30px;
    }

    .action-zone {
        padding: 40px 20px;
    }

    .cta-section {
        padding: 60px 30px;
    }
}

.mobile-menu-btn {
    position: relative;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: none;
    display: flex;
    align-items: center;
    justify-content: center;
    outline: none !important;
    z-index: 1001;
}

.hamburger-line {
    position: absolute;
    width: 20px;
    height: 2.5px;
    background: #000;
    border-radius: 2px;
    left: 50%;
    transform-origin: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-line:nth-child(1) {
    top: 10px;
    transform: translateX(-50%);
}

.hamburger-line:nth-child(2) {
    top: 19px;
    transform: translateX(-50%);
}

.hamburger-line:nth-child(3) {
    top: 28px;
    transform: translateX(-50%);
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    top: 19px;
    transform: translateX(-50%) rotate(45deg);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    top: 19px;
    transform: translateX(-50%) rotate(-45deg);
}

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

    .mobile-menu {
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background: #fff;
        overflow-y: auto;
        z-index: 999;
    }

    .mobile-menu.active {
        transform: translateX(0);
        display: block;
    }
}

.mobile-menu {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    z-index: 999;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-overflow-scrolling: touch;
}

.mobile-menu.active {
    transform: translateX(0);
    display: block;
}

.mobile-nav-link {
    display: block;
    font-size: 24px;
    font-weight: 600;
    color: #000000;
    text-decoration: none;
    padding: 20px 0;
    margin-left: 20px;
    margin-right: 20px;
    border-bottom: 1px solid #e8e8e8;
    transition: color 0.3s, padding-left 0.3s;
    letter-spacing: -0.02em;
}

.mobile-nav-link:hover {
    color: #ffff00;
    padding-left: 10px;
    text-decoration: underline;
}

@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none;
    }
}