* {
    margin: 0;
    padding: 0;
    border: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

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

ul {
    list-style-type: none;
}

hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, #333, transparent);
    margin: 3vh 0 5vh 0;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

body {
    background-color: #ffffff;
    color: #1a1a1a;
    overflow-x: hidden;
}

/* Стили для липкого меню */
.sticky-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transform: translateY(-100%);
    transition: transform 0.4s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sticky-menu.active {
    transform: translateY(0);
}

.sticky-menu ul {
    display: flex;
    justify-content: center;
    gap: 50px;
}

.sticky-menu a {
    position: relative;
    font-size: clamp(16px, 2vw, 18px);
    font-weight: 500;
    color: white;
    padding: 5px 0;
    letter-spacing: 0.5px;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.sticky-menu a:hover {
    opacity: 1;
}

.sticky-menu a:after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    bottom: -5px;
    height: 2px;
    background: #ffffff;
    transition: width 0.3s ease;
}

.sticky-menu a:hover:after {
    width: 70%;
}

/* Шапка сайта */
.logo {
    width: 100%;
    height: 100vh;
    background: #070707;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.logo::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveDots 60s linear infinite;
    opacity: 0.3;
}

@keyframes moveDots {
    0% { transform: translate(-10%, -10%); }
    100% { transform: translate(10%, 10%); }
}

.logo_2 {
    width: 90%;
    max-width: 1400px;
    position: relative;
    z-index: 2;
}

.logo_part {
    display: flex;
    align-items: center;
    gap: 5%;
    margin-bottom: 5%;
}

.logo_part_2 {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    padding: 20px;
}

.logo_part_2 img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

.logo_part_txt {
    flex: 1;
    color: #ffffff;
    font-size: clamp(18px, 3vw, 36px);
    font-weight: 400;
    line-height: 1.4;
    padding: 20px;
    border-left: 3px solid rgba(255,255,255,0.2);
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* Быстрые переходы */
.slog {
    margin-top: 5vh;
    color: #ffffff;
}

.slog ul {
    display: flex;
    justify-content: center;
    gap: 8%;
    flex-wrap: wrap;
}

.slog li {
    display: inline-block;
}

.slog a {
    position: relative;
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 500;
    padding: 10px 0;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.slog a:hover {
    opacity: 1;
}

.slog a:after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    bottom: 0;
    height: 2px;
    background: #ffffff;
    transition: width 0.3s ease;
}

.slog a:hover:after {
    width: 80%;
}

/* Наши услуги и команда */
.uslug {
    width: 100%;
    text-align: center;
    padding: 40px 0;
}

.name_1 {
    margin-top: 5vh;
    margin-bottom: 10px;
    font-size: clamp(24px, 4vw, 42px);
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.name_1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #0077ff;
    border-radius: 2px;
}

.cart_1 {
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 3%;
    flex-wrap: wrap;
    padding: 20px 5%;
}

.cart_1_plus {
    width: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 2px solid #e0e0e0;
    border-radius: 20px;
    padding: 30px 20px;
    font-size: clamp(16px, 2vw, 20px);
    margin-bottom: 30px;
    cursor: pointer;
    transition: transform 0.1s ease, background-color 0.1s ease, border-color 0.1s ease;
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    -webkit-tap-highlight-color: rgba(0,119,255,0.2);
    will-change: transform;
}

.cart_1_plus img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 20px;
    transition: transform 0.2s ease;
}

.cart_1_plus_txt {
    font-weight: 600;
    color: #333;
}

.cart_1_plus_1 {
    width: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 2px solid #e0e0e0;
    border-radius: 20px;
    padding: 30px 20px;
    font-size: clamp(16px, 2vw, 20px);
    margin-bottom: 30px;
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.1s ease, background-color 0.1s ease;
    -webkit-tap-highlight-color: rgba(0,119,255,0.2);
    will-change: transform;
}

.cart_1_plus_1 img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 20px;
    border-radius: 50%;
    background: #f5f5f5;
    padding: 20px;
}

.cart_1_plus_txt_1 {
    font-weight: 600;
    color: #333;
}

/* Этапы работы */
.vopros {
    width: 100%;
    text-align: center;
    padding: 40px 0;
    background: #f8f9fa;
}

.vopros_plus {
    width: 80%;
    max-width: 1000px;
    margin: 0 auto 50px;
    display: grid;
    gap: 20px;
}

.vopros_plus_1, .vopros_plus_2 {
    display: flex;
    align-items: center;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.1s ease, background-color 0.1s ease;
    -webkit-tap-highlight-color: rgba(0,119,255,0.2);
    will-change: transform;
}

.vopros_plus_1 {
    justify-content: flex-start;
}

.vopros_plus_2 {
    justify-content: flex-end;
}

.vopros_nmb {
    font-weight: 800;
    font-size: clamp(24px, 4vh, 36px);
    color: #0077ff;
    opacity: 0.5;
    padding: 0 20px;
}

.vopros_txt {
    font-size: clamp(16px, 3vh, 22px);
    font-weight: 500;
    padding: 0 20px;
}

/* Частые вопросы */
.vopros_2 {
    text-align: left;
    width: 90%;
    max-width: 800px;
    margin: 0 auto 50px;
}

.vopros_2_pl {
    margin-bottom: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.details {
    display: block;
    padding: 0 20px;
    background: white;
    user-select: none;
    -webkit-user-select: none;
}

.details summary {
    cursor: pointer;
    list-style: none;
    padding: 15px 0;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

.details summary::-webkit-details-marker {
    display: none;
}

.details summary:active {
    background-color: rgba(0,119,255,0.1);
    transition: background-color 0.1s ease;
}

.details[open] {
    padding-bottom: 5px;
}

.details[open] summary {
    margin-bottom: 0;
}

.vopros_2_txt_1 {
    cursor: pointer;
    font-weight: 600;
    font-size: clamp(16px, 3vh, 18px);
    color: #333;
    display: block;
    padding-right: 30px;
    position: relative;
}

.vopros_2_txt_1::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: #0077ff;
    transition: transform 0.2s ease;
}

.details[open] .vopros_2_txt_1::after {
    transform: translateY(-50%) rotate(45deg);
}

.vopros_2_txt_2 {
    padding: 0 0 15px 0;
    color: #666;
    line-height: 1.6;
    font-size: clamp(14px, 2.5vh, 16px);
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Контакты */
.contact {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    width: 100%;
    color: #ffffff;
    text-align: center;
    padding: 50px 20px;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0,119,255,0.1) 0%, transparent 50%);
}

.contact_name {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 600;
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
}

.contact_1 {
    max-width: 1200px;
    margin: 0 auto 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 2;
}

.contact_vk {
    flex: 1;
    min-width: 250px;
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}

.contact_vk_name {
    font-size: clamp(18px, 3vw, 24px);
    margin-bottom: 20px;
    color: #0077ff;
    font-weight: 600;
}

.contact_vk img {
    max-width: 150px;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.contact_vk img:hover {
    transform: scale(1.05);
}

.contact_sc {
    flex: 1;
    min-width: 250px;
    display: grid;
    gap: 20px;
}

.contact_1_blok {
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    padding: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.1s ease, background-color 0.1s ease;
    -webkit-tap-highlight-color: rgba(0,119,255,0.2);
}

.contact_1_blok div:first-child {
    font-size: 14px;
    color: #999;
    margin-bottom: 5px;
}

.contact_1_blok div:last-child {
    font-size: clamp(16px, 2.5vw, 20px);
    font-weight: 600;
    color: #0077ff;
}

.contact_button {
    display: inline-block;
    background: #0077ff;
    color: white;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: clamp(16px, 2.5vw, 18px);
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s ease, background-color 0.1s ease, box-shadow 0.1s ease;
    border: 2px solid transparent;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 20px rgba(0,119,255,0.3);
    -webkit-tap-highlight-color: transparent;
    min-width: 200px;
    text-align: center;
    will-change: transform;
}

/* Подвал */
.splitt {
    width: 100%;
    background: #000000;
    color: #ffffff;
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.splitt_1 {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    gap: 30px;
}

.splitt_log {
    font-size: clamp(24px, 5vw, 36px);
    font-weight: 700;
    background: linear-gradient(135deg, #fff, #999);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.splitt_sel {
    text-align: right;
}

.splitt_tg {
    font-size: clamp(14px, 3vw, 16px);
    margin-bottom: 5px;
    color: #999;
}

.splitt_img div {
    font-size: clamp(14px, 3vw, 16px);
    color: #0077ff;
}

/* Стили для hover (только для устройств с мышью) */
@media (hover: hover) and (pointer: fine) {
    .cart_1_plus:hover {
        transform: translateY(-10px);
        border-color: #0077ff;
        box-shadow: 0 20px 40px rgba(0,119,255,0.1);
    }
    
    .cart_1_plus:hover img {
        transform: scale(1.1);
    }
    
    .cart_1_plus_1:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    }
    
    .vopros_plus_1:hover, .vopros_plus_2:hover {
        transform: translateX(10px);
        box-shadow: 0 10px 30px rgba(0,119,255,0.1);
    }
    
    .vopros_2_pl:hover {
        border-color: #0077ff;
    }
    
    .contact_1_blok:hover {
        transform: translateY(-5px);
        background: rgba(0,119,255,0.1);
    }
    
    .contact_button:hover {
        background: transparent;
        border-color: #0077ff;
        color: #0077ff;
        transform: translateY(-3px);
        box-shadow: 0 15px 30px rgba(0,119,255,0.2);
    }
    
    .slog a:hover {
        opacity: 1;
    }
    
    .slog a:hover:after {
        width: 80%;
    }
    
    .sticky-menu a:hover {
        opacity: 1;
    }
    
    .sticky-menu a:hover:after {
        width: 70%;
    }
}

/* Стили для touch-устройств */
@media (hover: none) and (pointer: coarse) {
    .cart_1_plus:hover,
    .cart_1_plus_1:hover,
    .vopros_plus_1:hover,
    .vopros_plus_2:hover,
    .contact_1_blok:hover,
    .contact_button:hover,
    .slog a:hover,
    .sticky-menu a:hover {
        transform: none !important;
        background-color: transparent !important;
        border-color: #e0e0e0 !important;
        box-shadow: none !important;
    }
    
    .slog a:hover:after,
    .sticky-menu a:hover:after {
        width: 0 !important;
    }
    
    .cart_1_plus:active,
    .cart_1_plus_1:active {
        transform: scale(0.97) !important;
        background-color: rgba(0,119,255,0.05) !important;
        transition: transform 0.1s ease, background-color 0.1s ease !important;
    }
    
    .vopros_plus_1:active,
    .vopros_plus_2:active {
        transform: scale(0.99) translateX(5px) !important;
        background-color: rgba(0,119,255,0.05) !important;
    }
    
    .contact_1_blok:active {
        transform: scale(0.98) !important;
        background: rgba(0,119,255,0.15) !important;
    }
    
    .contact_button:active {
        transform: scale(0.95) !important;
        background: #0055cc !important;
        border-color: transparent !important;
        color: white !important;
    }
    
    .slog a:active {
        opacity: 1;
    }
    
    .slog a:active:after {
        width: 80%;
    }
    
    .sticky-menu a:active {
        opacity: 1;
    }
    
    .sticky-menu a:active:after {
        width: 70%;
    }
    
    .slog li {
        padding: 10px 0;
    }
    
    .slog a {
        padding: 15px 10px;
        display: inline-block;
    }
    
    .sticky-menu li {
        padding: 5px 0;
    }
    
    .sticky-menu a {
        padding: 10px 5px;
    }
}

/* Общие улучшения для touch */
* {
    -webkit-tap-highlight-color: transparent;
}

a, button, .cart_1_plus, .cart_1_plus_1, .contact_button, .vopros_2_txt_1, summary {
    touch-action: manipulation;
}

/* Адаптивность */
@media (max-width: 768px) {
    .logo_part {
        flex-direction: column;
        text-align: center;
    }
    
    .logo_part_2 {
        justify-content: center;
    }
    
    .logo_part_txt {
        border-left: none;
        border-top: 3px solid rgba(255,255,255,0.2);
    }
    
    .slog ul {
        gap: 15px;
    }
    
    .cart_1 {
        gap: 15px;
    }
    
    .cart_1_plus, .cart_1_plus_1 {
        width: 90%;
        max-width: 300px;
        margin: 10px auto;
    }
    
    .vopros_plus {
        width: 95%;
    }
    
    .vopros_2 {
        width: 95%;
    }
    
    .vopros_plus_1, .vopros_plus_2 {
        justify-content: center;
        text-align: center;
    }
    
    .vopros_nmb {
        font-size: 20px;
        padding: 0 10px;
    }
    
    .vopros_txt {
        font-size: 14px;
        padding: 0 10px;
    }
    
    .splitt_1 {
        flex-direction: column;
        text-align: center;
    }
    
    .splitt_sel {
        text-align: center;
    }
    
    .vopros_2_pl {
        margin-bottom: 10px;
    }
}

@media (max-width: 480px) {
    .sticky-menu ul {
        gap: 15px;
    }
    
    .sticky-menu a {
        font-size: 14px;
    }
    
    .slog ul {
        gap: 10px;
    }
    
    .slog a {
        font-size: 14px;
        padding: 10px 5px;
    }
    
    .name_1 {
        font-size: 28px;
    }
    
    .contact_1 {
        gap: 20px;
    }
    
    .contact_vk, .contact_sc {
        min-width: 100%;
    }
}

/* Улучшаем скролл на мобильных */
@media (max-width: 768px) {
    .vopros_2_txt_1 {
        padding: 12px 0;
    }
    
    details[open] .vopros_2_txt_2 {
        padding: 10px 0 15px;
    }
}