/* Общие переменные */
:root {
    --yellow: #ffd600;
    --yellow-hover: #ffe766;
    --gray: #23272a;
    --dark: #181818;
    --white: #fff;
    --black: #181818;
    --accent: #ffe766;
    --radius: 18px;
    --transition: 0.18s cubic-bezier(.6,0,.38,1);
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: 'Segoe UI', 'Arial', sans-serif;
}

/* Общий footer для всех страниц */
footer {
    width: 100vw;
    background: var(--gray);
    color: var(--yellow);
    text-align: center;
    padding: 18px 0 12px 0;
    font-size: 1rem;
    letter-spacing: 1px;
    margin-top: 10px;
}

/* =========================
   СТИЛИ ДЛЯ agreement.html
   scope: body.agreement
   ========================= */

body.agreement {
    display: flex;
    flex-direction: column;
    background: var(--gray);
    color: var(--white);
    min-height: 100vh;
}
body.agreement nav {
    width: 100%;
    background: var(--gray);
    border-bottom: 2px solid var(--yellow);
    box-shadow: 0 2px 10px #0002;
    z-index: 100;
}
body.agreement .navbar {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 20px 12px 20px;
}
body.agreement .navbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
body.agreement .navbar-logo img {
    height: 44px;
    width: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px #0001;
    cursor: pointer;
}
body.agreement .navbar-title {
    color: var(--yellow);
    font-size: 1.32rem;
    font-weight: 900;
    letter-spacing: 1.1px;
    margin-left: 6px;
    user-select: none;
}
body.agreement .navbar-links {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
body.agreement .navbar-link,
body.agreement .navbar-dropdown {
    color: var(--white);
    font-size: 1.13rem;
    text-decoration: none;
    font-weight: 500;
    border-radius: 7px;
    padding: 8px 16px;
    transition: background 0.18s, color 0.18s, box-shadow 0.18s;
    background: none;
    border: none;
    cursor: pointer;
}
body.agreement .navbar-link:hover,
body.agreement .navbar-link:focus {
    background: var(--yellow);
    color: var(--gray);
    box-shadow: 0 2px 10px 0 #0001;
}
body.agreement .navbar-dropdown {
    position: relative;
    padding-right: 22px;
}
body.agreement .navbar-dropdown:after {
    content: "▼";
    font-size: 0.8em;
    margin-left: 7px;
    color: var(--yellow);
    position: absolute;
    right: 7px; top: 50%; transform: translateY(-50%);
    transition: color 0.18s;
}
body.agreement .navbar-dropdown:hover,
body.agreement .navbar-dropdown:focus-within {
    background: var(--yellow);
    color: var(--gray);
}
body.agreement .navbar-dropdown:hover:after,
body.agreement .navbar-dropdown:focus-within:after {
    color: var(--gray);
}
body.agreement .dropdown-content {
    display: none;
    position: absolute;
    top: 42px;
    left: 0;
    min-width: 180px;
    background: var(--gray);
    border: 2px solid var(--yellow);
    border-radius: 12px;
    box-shadow: 0 8px 32px #0003;
    z-index: 99;
    padding: 10px 0;
    flex-direction: column;
    right: 0;
}
body.agreement .navbar-dropdown:focus-within .dropdown-content,
body.agreement .navbar-dropdown:hover .dropdown-content {
    display: flex;
}
body.agreement .dropdown-link {
    color: var(--yellow);
    font-size: 1rem;
    font-weight: 500;
    padding: 12px 26px;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.18s, color 0.18s;
    text-align: left;
    background: none;
    border: none;
}
body.agreement .dropdown-link:hover,
body.agreement .dropdown-link:focus {
    background: var(--yellow);
    color: var(--gray) !important;
}
body.agreement main {
    max-width: 700px;
    margin: 48px auto 0 auto;
    background: rgba(30,30,30,0.88);
    border-radius: var(--radius);
    box-shadow: 0 8px 28px 0 #0003;
    padding: 38px 32px 44px 32px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    color: var(--white);
}
body.agreement .agreement-title {
    font-size: 2.1rem;
    color: var(--yellow);
    font-weight: 900;
    text-align: center;
    margin-bottom: 10px;
}
body.agreement .agreement-section {
    margin-bottom: 21px;
}
body.agreement .agreement-section:last-child {
    margin-bottom: 0;
}
body.agreement .agreement-section-title {
    font-size: 1.17rem;
    color: var(--yellow);
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}
body.agreement .agreement-list {
    margin: 0 0 0 8px;
    padding: 0 0 0 12px;
}
body.agreement .agreement-list li {
    margin-bottom: 8px;
    font-size: 1.04rem;
    line-height: 1.55;
    color: var(--white);
}
body.agreement .agreement-alert {
    background: var(--yellow);
    color: var(--gray);
    border-left: 5px solid var(--gray);
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.13rem;
    padding: 19px 22px 18px 22px;
    margin-top: 33px;
    margin-bottom: 0;
    box-shadow: 0 2px 10px 0 #0002;
    text-align: center;
    letter-spacing: 0.1px;
}
body.agreement .agreement-alert .alert-title {
    color: var(--gray);
    font-size: 1.19rem;
    display: block;
    font-weight: 800;
    margin-bottom: 4px;
    margin-top: 2px;
    letter-spacing: 0.2px;
}
body.agreement .agreement-alert .alert-text {
    color: var(--gray);
    font-size: 1.09rem;
    font-weight: 600;
    display: block;
}

/* Адаптив для agreement */
@media (max-width: 800px) {
    body.agreement main {
        max-width: 98vw;
        padding: 22px 2vw 26px 2vw;
    }
    body.agreement .navbar {
        max-width: 100vw;
        padding: 13px 12px 9px 12px;
    }
}
@media (max-width: 520px) {
    body.agreement .agreement-title {
        font-size: 1.24rem;
    }
    body.agreement .agreement-section-title {
        font-size: 1.05rem;
    }
    body.agreement .navbar {
        gap: 7px;
        padding: 8px 5vw 8px 5vw;
    }
}

/* СТИЛИ ДЛЯ 404.html (error) */

body.error {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--gray);
    color: var(--yellow);
}
body.error .logo {
    margin-top: 50px;
}
body.error .logo img {
    width: 80px;
    border-radius: 16px;
    box-shadow: 0 6px 24px #0003;
}
body.error h1 {
    font-size: 5rem;
    margin: 24px 0 12px 0;
    font-weight: 900;
    letter-spacing: 8px;
    text-shadow: 0 4px 24px #0008;
    color: var(--yellow);
}
body.error .subtitle {
    font-size: 1.55rem;
    color: var(--white);
    margin-bottom: 18px;
    font-weight: 700;
}
body.error .desc {
    color: var(--accent);
    font-size: 1.16rem;
    margin-bottom: 38px;
}
body.error .home-link {
    display: inline-block;
    background: var(--yellow);
    color: var(--gray);
    font-weight: 700;
    font-size: 1.12rem;
    border-radius: 10px;
    padding: 14px 38px;
    text-decoration: none;
    box-shadow: 0 3px 20px #0001;
    transition: background .18s, color .18s;
}
body.error .home-link:hover {
    background: var(--gray);
    color: var(--yellow);
    border: 2px solid var(--yellow);
}

/* СТИЛИ ДЛЯ index.html */

body.index {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--gray);
    color: var(--white);
}

body.index .container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 16px;
    box-sizing: border-box;
}

body.index .navbar {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--gray);
    border-bottom: 2px solid var(--yellow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    min-height: 68px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-sizing: border-box;
}
body.index .navbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
body.index .navbar-logo img {
    height: 48px;
    width: auto;
    cursor: pointer;
    transition: transform var(--transition);
}
body.index .navbar-logo img:hover {
    transform: scale(1.09) rotate(-4deg);
}
body.index .navbar-title {
    font-size: 1.34rem;
    font-weight: 700;
    color: var(--yellow);
    letter-spacing: .9px;
    text-shadow: 0 2px 8px #0002;
}
body.index .navbar-links {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
body.index .navbar-link, body.index .navbar-dropdown {
    color: var(--white);
    font-size: 1.13rem;
    text-decoration: none;
    font-weight: 500;
    border-radius: 7px;
    padding: 8px 16px;
    transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
body.index .navbar-link:hover, body.index .navbar-link:focus {
    background: var(--yellow);
    color: var(--gray);
    box-shadow: 0 2px 10px 0 #0001;
}
body.index .navbar-dropdown {
    position: relative;
    cursor: pointer;
    background: none;
    border: none;
    padding-right: 22px;
}
body.index .navbar-dropdown:after {
    content: "▼";
    font-size: 0.8em;
    margin-left: 7px;
    color: var(--yellow);
    position: absolute;
    right: 7px; top: 50%; transform: translateY(-50%);
    transition: color var(--transition);
}
body.index .navbar-dropdown:hover, body.index .navbar-dropdown:focus-within {
    background: var(--yellow);
    color: var(--gray);
}
body.index .navbar-dropdown:hover:after, body.index .navbar-dropdown:focus-within:after {
    color: var(--gray);
}
body.index .dropdown-content {
    display: none;
    position: absolute;
    top: 42px;
    left: 0;
    min-width: 180px;
    background: var(--gray);
    border: 2px solid var(--yellow);
    border-radius: 12px;
    box-shadow: 0 8px 32px #0003;
    z-index: 99;
    padding: 10px 0;
    flex-direction: column;
    right: 0;
}
body.index .navbar-dropdown:focus-within .dropdown-content,
body.index .navbar-dropdown:hover .dropdown-content {
    display: flex;
}
body.index .dropdown-link {
    color: var(--yellow);
    font-size: 1rem;
    font-weight: 500;
    padding: 12px 26px;
    text-decoration: none;
    border-radius: 8px;
    transition: background var(--transition), color var(--transition);
    text-align: left;
    background: none;
    border: none;
}
body.index .dropdown-link:hover, body.index .dropdown-link:focus {
    background: var(--yellow);
    color: var(--gray) !important;
}

body.index .hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 52px;
    flex-wrap: wrap;
    padding: 56px 0 42px 0;
}
body.index .hero-left {
    flex: 1 1 340px;
    min-width: 290px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    z-index: 1;
}
body.index .hero-title {
    font-size: 2.7rem;
    font-weight: 800;
    color: var(--yellow);
    margin: 0 0 16px 0;
    letter-spacing: 1px;
    line-height: 1.12;
    text-shadow: 0 3px 18px #0003;
}
body.index .hero-desc {
    font-size: 1.18rem;
    margin-bottom: 12px;
    color: var(--white);
    opacity: .92;
    line-height: 1.6;
}
body.index .hero-list {
    margin: 0 0 0 18px;
    padding: 0;
    color: var(--accent);
    font-size: 1.11rem;
    letter-spacing: .2px;
}
body.index .hero-list li {
    margin-bottom: 6px;
}
body.index .hero-cta-group {
    display: flex;
    gap: 18px;
    margin-top: 20px;
}
body.index .hero-cta, body.index .hero-cta-alt {
    display: inline-block;
    font-size: 1.11rem;
    font-weight: 600;
    border-radius: 8px;
    padding: 11px 34px;
    background: var(--yellow);
    color: var(--gray);
    text-decoration: none;
    box-shadow: 0 3px 16px #0001;
    transition: background var(--transition), color var(--transition);
}
body.index .hero-cta:hover, body.index .hero-cta:focus {
    background: var(--gray);
    color: var(--yellow);
    border: 1.5px solid var(--yellow);
}
body.index .hero-cta-alt {
    background: transparent;
    color: var(--yellow);
    border: 2px solid var(--yellow);
}
body.index .hero-cta-alt:hover, body.index .hero-cta-alt:focus {
    background: var(--yellow);
    color: var(--gray);
}
body.index .hero-right {
    flex: 0 0 420px;
    min-width: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
}
body.index .hero-right img {
    width: 380px;
    max-width: 90vw;
    border-radius: 17px;
    box-shadow: 0 10px 40px #0003;
    background: var(--gray);
    animation: floatimg 3.8s ease-in-out infinite alternate;
}

body.index .about-section {
    margin-top: 0;
    margin-bottom: 0;
    padding: 38px 0 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    align-items: center;
}
body.index .about-img {
    flex: 0 0 330px;
    display: flex;
    align-items: center;
    justify-content: center;
}
body.index .about-img img {
    width: 300px;
    border-radius: 18px;
    box-shadow: 0 8px 32px #0002;
    background: var(--gray);
}
body.index .about-content {
    flex: 1 1 380px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: rgba(30, 30, 30, 0.82);
    border-radius: 18px;
    box-shadow: 0 6px 22px #0001;
    padding: 36px 34px;
}
body.index .about-title {
    color: var(--yellow);
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 7px 0;
    letter-spacing: 1.2px;
}
body.index .about-desc {
    color: var(--white);
    font-size: 1.13rem;
    line-height: 1.62;
}
body.index .about-quote {
    color: var(--yellow);
    font-size: 1.13rem;
    font-style: italic;
    font-weight: 700;
    margin: 10px 0 0 0;
    border-left: 4px solid var(--yellow);
    padding-left: 14px;
}
body.index .about-projects {
    margin-top: 10px;
    color: var(--accent);
    font-size: 1.07rem;
}
body.index .about-projects strong {
    color: var(--yellow);
    font-weight: 700;
}

body.index .cards-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
    margin: 54px 0 58px 0;
    padding: 0 0;
}
body.index .adv-card {
    background: linear-gradient(120deg, var(--gray) 75%, var(--yellow) 130%);
    box-shadow: 0 6px 28px rgba(0,0,0,0.10);
    border-radius: 16px;
    padding: 28px 22px 24px 22px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border: 2px solid var(--yellow);
    position: relative;
    overflow: hidden;
    font-size: 1.09rem;
    transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
}
body.index .adv-card:hover {
    box-shadow: 0 14px 32px #0003;
    background: linear-gradient(110deg, var(--yellow) 52%, var(--gray) 110%);
}
body.index .adv-card .emoji {
    font-size: 2.1rem;
    margin-bottom: 8px;
    filter: drop-shadow(0 2px 3px var(--black));
}
body.index .adv-card-title {
    font-weight: bold;
    font-size: 1.16rem;
    margin-bottom: 7px;
    color: var(--yellow);
    letter-spacing: .8px;
}
body.index .adv-card:hover .adv-card-title {
    color: var(--gray);
}

body.index .staff-section {
    margin: 58px 0 46px 0;
    text-align: center;
}
body.index .staff-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--yellow);
    letter-spacing: 1px;
    margin-bottom: 32px;
    text-shadow: 0 2px 8px #0003;
}
body.index .staff-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 36px;
    justify-content: center;
}
body.index .staff-card {
    background: linear-gradient(120deg, var(--gray) 80%, var(--yellow) 130%);
    box-shadow: 0 8px 32px #0003;
    border-radius: 20px;
    padding: 32px 28px 28px 28px;
    min-width: 0;
    width: 340px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 2.5px solid var(--yellow);
    position: relative;
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
    z-index: 0;
}
body.index .staff-card:hover {
    box-shadow: 0 16px 40px #0006;
    background: linear-gradient(110deg, var(--yellow-hover) 70%, var(--gray) 130%);
    border-color: var(--yellow-hover);
    transform: translateY(-7px) scale(1.025);
}
body.index .staff-card .staff-emoji {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--yellow);
    filter: drop-shadow(0 2px 8px var(--gray));
    transition: color var(--transition);
    user-select: none;
}
body.index .staff-card:hover .staff-emoji {
    color: var(--gray);
}
body.index .staff-card .staff-name {
    font-size: 1.23rem;
    font-weight: 800;
    color: var(--yellow);
    margin-bottom: 4px;
    margin-top: 0;
    letter-spacing: 0.2px;
    transition: color var(--transition);
    user-select: text;
}
body.index .staff-card:hover .staff-name {
    color: var(--gray);
}
body.index .staff-card .staff-role {
    font-size: 1.01rem;
    font-weight: 600;
    color: var(--gray);
    background: var(--yellow);
    border-radius: 8px;
    padding: 3px 18px 3px 18px;
    margin-bottom: 12px;
    display: inline-block;
    margin-top: 2px;
    transition: background var(--transition), color var(--transition);
}
body.index .staff-card:hover .staff-role {
    background: var(--gray);
    color: var(--yellow);
}
body.index .staff-card .staff-desc {
    padding: 0 0;
    color: var(--yellow);
    font-size: 1.03rem;
    margin-bottom: 0;
    margin-top: 8px;
    line-height: 1.58;
    opacity: 0.97;
    background: none;
    border-radius: 0;
    box-shadow: none;
    font-weight: 500;
    transition: color var(--transition);
    text-align: center;
}
body.index .staff-card:hover .staff-desc {
    color: var(--gray);
}

body.index .socials-section {
    margin: 0 0 60px 0;
}
body.index .socials-title {
    text-align: center;
    font-size: 1.5rem;
    color: var(--yellow);
    font-weight: 800;
    margin-bottom: 23px;
    letter-spacing: 1px;
    text-shadow: 0 2px 12px #0002;
}
body.index .socials-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 24px;
}
body.index .social-card {
    display: flex;
    align-items: center;
    background: linear-gradient(120deg, var(--gray) 70%, var(--yellow) 140%);
    border: 3px solid var(--yellow);
    border-radius: 24px;
    box-shadow: 0 8px 24px #0002;
    padding: 18px 30px 18px 18px;
    min-width: 0;
    min-height: 92px;
    gap: 18px;
    position: relative;
    transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
}
body.index .social-card:hover {
    box-shadow: 0 14px 32px #0003;
    background: linear-gradient(110deg, var(--yellow) 55%, var(--gray) 120%);
}
body.index .social-img-wrap {
    flex: 0 0 54px;
    margin-right: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}
body.index .social-img-wrap img {
    width: 54px;
    height: 54px;
    display: block;
    border-radius: 16px;
    background: var(--white);
    box-shadow: 0 4px 16px #0001;
}
body.index .social-desc-block {
    flex: 1 1 160px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
body.index .social-desc-block .social-name {
    font-size: 1.11rem;
    font-weight: 700;
    color: var(--yellow);
    margin-bottom: 2px;
    letter-spacing: 0.7px;
    transition: color var(--transition);
}
body.index .social-card:hover .social-name,
body.index .social-card:focus .social-name {
    color: var(--gray);
}
body.index .social-desc-block .social-text {
    font-size: .98rem;
    color: var(--white);
    margin-bottom: 6px;
}
body.index .social-desc-block .social-link {
    display: inline-block;
    background: var(--yellow);
    color: var(--gray);
    font-weight: 600;
    font-size: .98rem;
    border-radius: 8px;
    padding: 5px 20px;
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
    box-shadow: 0 2px 8px #0001;
}
body.index .social-desc-block .social-link:hover, body.index .social-desc-block .social-link:focus {
    background: var(--gray);
    color: var(--yellow);
    border: 1.5px solid var(--yellow);
}

@keyframes floatimg {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-20px) scale(1.025); }
}

@media (max-width: 1200px), (max-width: 1100px), (max-width: 800px), (max-width: 600px) {
    body.index .container, body.index .navbar, body.index main, body.index .hero-section, body.index .about-section, body.index .cards-section, body.index .staff-section, body.index .socials-section {
        max-width: 1200px !important;
        padding: 0 16px !important;
        flex-direction: initial !important;
        gap: initial !important;
    }
    body.index .hero-right img, body.index .about-img img {
        width: 300px !important;
        max-width: 300px !important;
    }
    body.index .about-content, body.index .hero-left {
        padding: 36px 34px !important;
    }
    body.index .staff-card {
        width: 340px !important;
    }
}