:root {
    --color-primary: #00D4FF;
    --color-primary-hover: #00b8d9;
    --color-secondary: #a0aec0;
    --color-secondary-hover: #8fa0b5;
    --color-success: #38c96e;
    --color-success-hover: #2db060;
    --color-danger: #ff4d6d;
    --color-danger-hover: #e63c5c;
    --color-warning: #ffc107;
    --color-warning-hover: #f1b607;
    --color-info: #0dcaf0;
    --color-info-hover: #0cbde1;
    --color-light: #e5e7eb;
    --color-light-hover: #d1d5db;
    --color-dark: #e5e7eb;
    --color-dark-hover: #d1d5db;
    --color-grey-border: rgba(0, 212, 255, 0.18);
}

* {
    font-size: 18px;
    font-family: Verdana;
    color: #e5e7eb;
}

body {
    margin: 0;
    background-color: #030810;
    padding: 10px;
}

@media screen and (max-width: 992px) {
    body {
        padding: 0;
    }
}

body.body_menu-active {
    overflow: hidden;
}

div, a {
    box-sizing: border-box;
}

a {
    color: var(--color-primary);
}
a:hover {
    color: var(--color-danger);
}

h1 {
    font-size: 30px;
    font-weight: normal;
    text-align: center;
    margin: 0 0 50px 0;
    color: #ffffff;
    text-transform: uppercase;
}
@media screen and (max-width: 800px) {
    h1 {
        font-size: 24px;
    }
}

h2 {
    font-size: 24px;
    font-weight: normal;
    text-align: left;
    margin: 0 0 24px 0;
    color: var(--color-primary);
    text-transform: uppercase;
    display: block;
}
@media screen and (max-width: 800px) {
    h2 {
        font-size: 18px;
    }
}

h3 {
    font-size: 18px;
    font-weight: bold;
    text-align: left;
    margin: 0 0 24px 0;
    color: var(--color-primary);
    text-transform: uppercase;
    display: block;
}
@media screen and (max-width: 800px) {
    h3 {
        font-size: 16px;
    }
}

p {
    margin: 0 0 25px 0;
    text-align: justify;
    color: #e5e7eb;
}

iframe {
    max-width: 100%;
}

img {
    max-width: 100%;
}

.btn {
    border: 0px solid #ffffff;
    border-radius: 6px;
    padding: 12px 18px 10px 18px;
    font-weight: bold;
    font-size: 16px;
    line-height: 16px;
    max-width: 200px;
    margin: 0 auto;
    height: auto;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-primary);
    border: 2px solid var(--color-primary);
    color: #0a0a0f;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border: 2px solid var(--color-primary-hover);
}

/* Neon utilities */
.neon-glow {
    box-shadow: 0 0 10px #00D4FF, 0 0 20px #D81BFF;
}

.neon-card {
    box-shadow: 0 4px 24px rgba(0, 212, 255, 0.22), 0 0 48px rgba(216, 27, 255, 0.1);
    border-radius: 12px;
}

.overlay {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    background-color: #000000;
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s linear;
}

.body_menu-active .overlay {
    visibility: visible;
    opacity: 0.5;
    transition: opacity 0.3s linear;
}

.wrapper {
    margin: 0 auto;
    overflow: hidden;
    width: 100%;
    max-width: 1010px;
    padding: 0 30px;
    background: transparent;
    position: relative;
    z-index: 1;
}

@media screen and (max-width: 992px) {
    .wrapper {
        padding: 0 15px;
    }
}

.header {
    height: auto;
    background: rgba(3, 8, 16, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header__img {
    display: block;
    width: 100%;
    border: none;
    margin: 0;
}

.header__inner {
    height: 80px;
    padding: 10px 0;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}
@media screen and (max-width: 800px) {
    .header__inner {
        height: 64px;
        padding: 8px 0;
    }
}

.header__logo {
    flex-grow: 0;
    flex-shrink: 0;
    display: block;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
    color: var(--color-primary);
    height: 100%;
}

.header__logo img {
    display: block;
    height: 100%;
    width: auto;
}

.header__contacts {
    flex-grow: 0;
    flex-shrink: 0;
    text-align: right;
}
@media screen and (max-width: 800px) {
    .header__contacts {
        display: none;
    }
}

.header__phone-num {
    color: var(--color-primary);
    font-size: 22px;
    font-weight: bold;
    text-decoration: none;
}

.header__phone-text {
    color: #e5e7eb;
    font-size: 18px;
}

.header__instagram {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: flex-end;
    text-decoration: none;
}

.header__instagram svg {
    display: block;
    width: 24px;
    height: 24px;
    margin-right: 5px;
}

.header__instagram span {
    display: block;
    color: #e5e7eb;
    font-size: 16px;
    line-height: 20px;
    font-weight: bold;
}

.header__hamburger {
    flex-grow: 0;
    flex-shrink: 0;
    display: none;
    text-decoration: none;
}

@media screen and (max-width: 800px) {
    .header__hamburger {
        display: block;
    }
}

.header__hamburger svg {
    display: block;
    width: 28px;
    fill: var(--color-primary);
}

.header__hamburger:hover svg {
    fill: var(--color-primary-hover);
}

.menu {
    width: 100%;
    border-bottom: 1px solid var(--color-grey-border);
}
@media screen and (max-width: 800px) {
    .menu {
        position: fixed;
        top: 0;
        bottom: 0;
        right: 100%;
        z-index: 20;
        width: 300px;
        max-width: 100%;
        height: 100%;
        border-bottom: none;
        background-color: rgba(10, 12, 20, 0.98);
        border-right: 1px solid rgba(0, 212, 255, 0.25);
        padding: 50px 15px;
        transform: translate3d(0,0,0);
        transition: transform 0.3s linear;
    }

    .body_menu-active .menu {
        transform: translate3d(100%,0,0);
    }
}

.menu__close {
    position: absolute;
    top: 15px;
    right: 15px;
    display: none;
}

@media screen and (max-width: 800px) {
    .menu__close {
        display: block;
    }
}

.menu__close svg {
    display: block;
    width: 22px;
    height: 22px;
    fill: var(--color-danger);
}

.menu__close:hover svg {
    fill: var(--color-danger-hover);
}

.menu__logo {
    display: none;
    width: 100%;
    height: 50px;
    text-decoration: none;
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-weight: bold;
}
@media screen and (max-width: 800px) {
    .menu__logo {
        display: block;
    }
}

.menu__logo img {
    display: block;
    height: 100%;
    margin: 0 auto;
}

.menu__contacts {
    display: none;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
}
@media screen and (max-width: 800px) {
    .menu__contacts {
        display: block;
    }
}

.menu__phone-num {
    display: block;
    color: var(--color-primary);
    font-size: 22px;
    font-weight: bold;
    text-decoration: none;
}

.menu__phone-text {
    color: #e5e7eb;
    font-size: 18px;
}

.menu__address {
    font-size: 16px;
    color: var(--color-primary);
    font-weight: bold;
}

.menu__instagram {
    display: block;
    color: #e5e7eb;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
}

.menu__inner {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: flex-start;
}
@media screen and (max-width: 800px) {
    .menu__inner {
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
    }
}

.menu__item {
    flex-grow: 0;
    flex-shrink: 0;
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #e5e7eb;
    transition: color 0.2s;
}
@media screen and (max-width: 800px) {
    .menu__item {
        width: 100%;
        padding: 15px;
        border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    }
}

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

.content {
    width: 100%;
    min-height: 300px;
    margin-bottom: 30px;
    padding: 30px 0;
}

@media screen and (max-width: 800px) {
    .content {
        min-height: 100px;
        margin-bottom: 15px;
    }
}

.content__block {
    display: block;
    width: 100%;
    margin-bottom: 50px;
    padding: 24px;
    background: rgba(0, 212, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    box-shadow:
        0 4px 24px rgba(0, 212, 255, 0.1),
        0 0 40px rgba(216, 27, 255, 0.05);
    transition: box-shadow 0.3s;
}

.content__block:hover {
    box-shadow:
        0 4px 32px rgba(0, 212, 255, 0.18),
        0 0 56px rgba(216, 27, 255, 0.1);
}

.content__block_center {
    text-align: center;
}

.content__block:last-child {
    margin-bottom: 0 !important;
}

/* Neon glow under images */
.content img,
#testengine img {
    border-radius: 8px;
    box-shadow:
        0 0 16px rgba(0, 212, 255, 0.45),
        0 0 32px rgba(216, 27, 255, 0.25),
        0 4px 20px rgba(0, 0, 0, 0.5);
    transition: box-shadow 0.3s;
}

.content img:hover,
#testengine img:hover {
    box-shadow:
        0 0 24px rgba(0, 212, 255, 0.7),
        0 0 48px rgba(216, 27, 255, 0.4),
        0 4px 20px rgba(0, 0, 0, 0.6);
}

.footer {
    width: 100%;
    border-top: 1px solid var(--color-grey-border);
    padding: 20px 0;
}

.footer__copyrights {
    font-size: 12px;
    color: var(--color-secondary);
}

.hide-on-mobile {
    display: block;
}
.show-on-mobile {
    display: none;
}

@media screen and (max-width: 800px) {
    .hide-on-mobile {
        display: none;
    }
    .show-on-mobile {
        display: block;
    }
}

.clearfix:after { visibility: hidden; display: block; font-size: 0; content: " "; clear: both; height: 0; }
.clearfix { display: inline-block; }
.clearfix { display: block; zoom: 1; }