@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;800&display=swap');

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body, html {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

input, textarea, select, pre, code {
    user-select: text !important;
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
}

::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #0d0e11;
}
::-webkit-scrollbar-thumb {
    background: #2a2c38;
    border-radius: 5px;
    border: 2px solid #0d0e11;
}
::-webkit-scrollbar-thumb:hover {
    background: #45485e;
}

body {
    margin: 0;
    padding: 0;
    background: linear-gradient(180deg, #0d0e11 0%, #15161c 25%, #1f212a 55%, #292b37 80%, #323543 100%);
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: #ffffff;
    font-family: "Lexend", Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

select.form-control {
    background-color: #16171d !important;
    color: #ffffff !important;
    cursor: pointer;
}

select.form-control option {
    background-color: #16171d !important;
    color: #ffffff !important;
    padding: 10px;
}

#site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
    width: 100%;
    background: transparent;
    transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    border-bottom: 1px solid transparent;
}

#site-header.scrolled {
    background: rgba(13, 14, 17, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

#site-header-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 72px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

#site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
    z-index: 10002;
}

#site-logo img {
    display: block;
    width: auto;
    height: clamp(32px, 4vw, 42px);
    object-fit: contain;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

#site-logo:hover img {
    opacity: 0.85;
    transform: scale(1.03);
    cursor: pointer;
}

#site-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

#site-nav a {
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: color 0.2s ease, background 0.2s ease;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

#site-nav a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
}

#site-nav .nav-cta {
    padding: 9px 22px;
    background: #ffffff;
    color: #0d0e11 !important;
    font-family: "Lexend", Arial, sans-serif;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: opacity 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

#site-nav .nav-cta:hover {
    opacity: 0.92;
    transform: translateY(-1px);
    background: #ffffff !important;
    color: #0d0e11 !important;
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
}

.lang-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    color: #ffffff;
    font-family: "Lexend", sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
    flex-shrink: 0;
    white-space: nowrap;
}

.lang-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-1px);
}

#mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    cursor: pointer;
    padding: 8px;
    transition: background 0.2s ease, border-color 0.2s ease;
    z-index: 10005;
}

#mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hamburger-bar {
    display: block;
    width: 20px;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#mobile-menu-btn.active .hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

#mobile-menu-btn.active .hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-backdrop.active {
    display: block;
    opacity: 1;
}

#site-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 24px 90px;
    text-align: center;
    overflow: hidden;
}

.hero-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(10px);
    opacity: 0.45;
    transform: scale(1.06);
    pointer-events: none;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 20%, rgba(255, 255, 255, 0.08) 0%, rgba(0, 0, 0, 0) 75%),
        linear-gradient(180deg, rgba(13, 14, 17, 0.3) 0%, rgba(13, 14, 17, 0.6) 60%, rgba(13, 14, 17, 1) 100%);
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo-img {
    height: clamp(55px, 9vw, 95px);
    width: auto;
    margin-bottom: 24px;
    filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.5));
    transition: transform 0.3s ease;
}

.hero-logo-img:hover {
    transform: scale(1.02);
}

.hero-subtitle {
    font-size: clamp(16px, 2.2vw, 20px);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 38px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: #ffffff;
    color: #0d0e11;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.25);
    opacity: 0.95;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.4);
}

#main-content {
    position: relative;
    z-index: 1;
}

.content-section {
    padding: 90px 24px;
}

.section-container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 17px;
    max-width: 720px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 30px;
}

.about-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    padding: 36px;
    border-radius: 20px;
}

.about-avatar-wrapper {
    position: relative;
    text-align: center;
}

.about-avatar-img {
    width: 100%;
    max-width: 240px;
    height: 240px;
    object-fit: cover;
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.about-avatar-img:hover {
    transform: scale(1.03);
    border-color: rgba(255, 255, 255, 0.4);
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-bio {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.8;
}

.about-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.tag-pill {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.search-filter-bar {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 36px;
}

.search-input-wrapper {
    position: relative;
    width: 100%;
}

.search-input-wrapper i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.5);
    font-size: 16px;
}

.search-input {
    width: 100%;
    padding: 14px 20px 14px 48px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 12px;
    color: #ffffff;
    font-family: "Lexend", sans-serif;
    font-size: 15px;
    outline: none;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-input:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.filter-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-family: "Lexend", sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover, .filter-btn.active {
    background: #ffffff;
    color: #0d0e11;
    border-color: #ffffff;
    font-weight: 600;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.28);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.project-banner-wrapper {
    position: relative;
    width: 100%;
    height: 180px;
    background: #191b24;
    overflow: hidden;
}

.project-banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-banner-img {
    transform: scale(1.05);
}

.project-type-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 4px 12px;
    background: rgba(13, 14, 17, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #ffffff;
}

.project-status-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(13, 14, 17, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
    color: #ffffff;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}
.status-dot.in_progress { background: #EAB308; }
.status-dot.completed { background: #22C55E; }
.status-dot.paused { background: #EF4444; }

.project-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-title {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 10px;
}

.project-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 18px;
    flex-grow: 1;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.project-tag {
    font-size: 11px;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 4px;
    color: rgba(255, 255, 255, 0.7);
}

.project-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    color: #ffffff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.project-link-btn:hover {
    background: #ffffff;
    color: #0d0e11;
    border-color: #ffffff;
    transform: translateY(-2px);
}

.youtube-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.youtube-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.youtube-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.28);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.youtube-thumb-wrapper {
    position: relative;
    width: 100%;
    height: 180px;
    background: #191b24;
    overflow: hidden;
}

.youtube-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.youtube-card:hover .youtube-thumb-img {
    transform: scale(1.05);
}

.youtube-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.youtube-card:hover .youtube-play-overlay {
    background: rgba(255, 0, 0, 0.35);
}

.youtube-play-icon {
    font-size: 38px;
    color: #ffffff;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.5));
    transition: transform 0.3s ease;
}

.youtube-card:hover .youtube-play-icon {
    transform: scale(1.15);
}

.youtube-meta-badge {
    position: absolute;
    bottom: 12px;
    right: 12px;
    padding: 3px 8px;
    background: rgba(13, 14, 17, 0.85);
    backdrop-filter: blur(8px);
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
    color: #ffffff;
}

.youtube-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.youtube-title {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 10px;
    line-height: 1.4;
}

.youtube-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 18px;
    flex-grow: 1;
    line-height: 1.6;
}

.socials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.social-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    text-decoration: none;
    color: #ffffff;
    transition: all 0.25s ease;
}

.social-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
}

.social-icon {
    font-size: 26px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
}

.social-info {
    display: flex;
    flex-direction: column;
}

.social-name {
    font-size: 16px;
    font-weight: 600;
}

.social-user {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.partner-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    border-radius: 18px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.25);
}

.partner-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.partner-logo-img {
    width: 52px;
    height: 52px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.partner-info h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.partner-date-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.partner-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 18px;
    line-height: 1.6;
    flex-grow: 1;
}

.contacts-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
}

.contact-cards-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.contact-item-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.35);
}

.contact-item-icon {
    font-size: 24px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
}

.contact-item-details h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
}

.contact-item-details p {
    margin: 4px 0 0;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
}

.contact-form-box {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    padding: 32px;
    border-radius: 20px;
}

.contact-form-box h3 {
    margin-top: 0;
    font-size: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    color: #ffffff;
    font-family: "Lexend", sans-serif;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.35);
}

textarea.form-control {
    resize: vertical;
    min-height: 110px;
}

#project-launch-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 11, 14, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

#project-launch-overlay.active {
    opacity: 1;
    visibility: visible;
}

.launch-spinner {
    font-size: 48px;
    color: #ffffff;
    animation: launchPulse 0.8s infinite alternate ease-in-out;
    margin-bottom: 20px;
}

@keyframes launchPulse {
    from { transform: scale(0.9); opacity: 0.7; }
    to { transform: scale(1.15); opacity: 1; filter: drop-shadow(0 0 15px rgba(255,255,255,0.6)); }
}

.launch-title {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
}

#toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 20000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    background: rgba(20, 22, 28, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(16px);
    border-radius: 12px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    animation: toastIn 0.3s ease forwards;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

#site-footer {
    padding: 50px 24px;
    text-align: center;
    background: rgba(10, 11, 14, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    height: clamp(32px, 4vw, 42px);
    width: auto;
    opacity: 0.45;
    filter: grayscale(20%);
    pointer-events: none;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-sep {
    color: rgba(255, 255, 255, 0.25);
    font-size: 12px;
}

.footer-copy {
    margin: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}

#ytber{
    color: white;
}

@media (max-width: 768px) {
    #site-header-container {
        min-height: 64px;
        padding: 0 16px;
    }

    #mobile-menu-btn {
        display: flex;
    }

    #site-nav {
        position: fixed;
        top: 0;
        right: -320px;
        width: 290px;
        height: 100vh;
        background: rgba(13, 14, 17, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        align-items: stretch;
        padding: 90px 24px 30px;
        gap: 12px;
        border-left: 1px solid rgba(255, 255, 255, 0.15);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.7);
        transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        pointer-events: none;
        z-index: 10001;
    }

    #site-nav.active {
        transform: translateX(-320px);
        pointer-events: auto;
    }

    #site-nav a {
        font-size: 16px;
        padding: 13px 18px;
        text-align: left;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.05);
        color: #ffffff;
        border: 1px solid rgba(255, 255, 255, 0.08);
    }

    #site-nav .nav-cta {
        margin-left: 0;
        margin-top: 6px;
        width: 100%;
        padding: 13px;
        font-size: 16px;
        text-align: center;
    }

    .lang-toggle-btn {
        justify-content: center;
        width: 100%;
        padding: 12px;
        margin-top: 6px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .about-avatar-img {
        margin: 0 auto;
    }
    .about-tags {
        justify-content: center;
    }

    .contacts-wrapper {
        grid-template-columns: 1fr;
    }

    #site-hero {
        padding: 110px 16px 60px;
        min-height: 100vh;
    }

    .content-section {
        padding: 60px 16px;
    }
}