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

:root {
    --lg-bg-color: rgba(255, 255, 255, 0.25);
    --lg-highlight: rgba(255, 255, 255, 0.75);
    --lg-text: #ffffff;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: #1a1a2e url('https://ela.bz/fini/images/backgrounds/bg-03.jpg') center/cover no-repeat;
}

.bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.8) 100%);
}

.wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(1.5rem, 4vw, 3rem);
    padding: 2rem;
    max-width: 90vw;
}

.logo-wrap {
    background: rgba(0, 0, 0, 0.6);
    padding: clamp(1rem, 4vw, 2rem) clamp(2rem, 8vw, 4rem);
    border-radius: 12px;
}

.logo-wrap img {
    height: clamp(120px, 22vw, 200px);
    width: auto;
    display: block;
}

.tools-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.tools-label {
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    opacity: 0.9;
}

.btn-tool {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--lg-text);
    font-weight: 600;
    font-size: clamp(0.95rem, 2.2vw, 1.1rem);
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 0 6px 6px rgba(0, 0, 0, 0.2), 0 0 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 2.2), box-shadow 0.4s;
}

.btn-tool:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 30px rgba(255, 255, 255, 0.1);
}

.btn-tool .glass-filter {
    position: absolute;
    inset: 0;
    z-index: 0;
    filter: url(#lg-dist);
    isolation: isolate;
}

.btn-tool .glass-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: var(--lg-bg-color);
}

.btn-tool .glass-specular {
    position: absolute;
    inset: 0;
    z-index: 2;
    border-radius: inherit;
    overflow: hidden;
    pointer-events: none;
    box-shadow: inset 1px 1px 0 var(--lg-highlight), inset 0 0 5px var(--lg-highlight);
}

.btn-tool .glass-content {
    position: relative;
    z-index: 3;
    padding: clamp(0.75rem, 2vw, 1rem) clamp(1.5rem, 4vw, 2rem);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.social-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.social-area a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    color: #fff;
    transition: opacity 0.2s, transform 0.2s;
}

.social-area a:hover {
    opacity: 0.9;
    transform: scale(1.08);
}

.social-area svg {
    width: 32px;
    height: 32px;
}