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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    color: white;
}

.gradient-bg {
    position: fixed;
    inset: 0;
    z-index: 0;

    background:
        radial-gradient(
            1200px circle at 50% 35%,
            rgba(240,147,251,0.35),
            transparent 60%
        ),
        linear-gradient(
            135deg,
            #5f6ee6 0%,
            #7a5fa6 50%,
            #6b6bbd 100%
        );
}

.gradient-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    backdrop-filter: blur(40px);
    background: rgba(10, 14, 39, 0.15);
}

.gradient-bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='1'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
}

.landing-container {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
}

.header {
    padding: 30px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 100;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    color: white;
    letter-spacing: -0.5px;
}

.lang-selector {
    position: relative;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 20px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    color: white;
    font-weight: 600;
    font-size: 15px;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.lang-btn img {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

.lang-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    min-width: 150px;
    overflow: hidden;
}

.lang-menu.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

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

.lang-option {
    padding: 14px 18px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    color: #1a202c;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: rgba(102, 126, 234, 0.1);
}

.lang-option.selected {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    font-weight: 700;
}

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 30px;
    animation: fadeInDown 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 82px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -3px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 650px;
    line-height: 1.6;
    margin-bottom: 50px;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.cta-group {
    display: flex;
    gap: 20px;
    align-items: center;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.cta-primary {
    background: white;
    color: #667eea;
    border: none;
    padding: 20px 45px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.cta-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-primary:hover::before {
    width: 300px;
    height: 300px;
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
}

.cta-primary span {
    position: relative;
    z-index: 1;
}

.submit{
    width: 18px;
    height: 18px;
    filter: invert(39%) sepia(78%) saturate(4473%) hue-rotate(211deg) brightness(95%) contrast(97%);
    transition: transform 0.3s;
}

.cta-primary:hover .cta-arrow {
    transform: translateX(5px);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 80px auto 0;
    padding: 0 50px;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 35px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), transparent);
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.4s;
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: white;
}

.feature-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
}

.stats {
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;          
    padding: 40px;          
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.8s ease-out 1s both;
    width: 100vw;
    box-sizing: border-box;
    position: relative;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    z-index: 5;
    overflow: hidden;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.feature-icon img {
    width: 60px;
    height: 60px;
    filter: invert(1);
}

@media (min-width: 1440px) {
    .hero {
        min-height: calc(100vh - 220px);
    }

    .features {
        padding: 0 100px;
        max-width: 1400px;
    }
    
    .stats {
        gap: 100px;
        padding: 60px 100px;
    }
}

@media (min-width: 769px) and (max-width: 1189px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 40px;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }

    .feature-card:last-child {
        grid-column: 1 / -1;
        max-width: 450px;
        margin: 0 auto;
    }
}

@media (min-width: 1024px) {
    .features {
        padding: 0 150px;
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .stats {
        gap: 80px;
        padding: 50px 150px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 20px 25px;
    }
    .logo-text {
        font-size: 22px;
    }
    .lang-btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    .hero {
        padding: 0;
    }
    .hero-badge {
        font-size: 13px;
        padding: 9px 18px;
        margin-bottom: 25px;
    }
    .hero-title {
        font-size: 48px;
        letter-spacing: -2px;
        margin-bottom: 20px;
    }
    .hero-subtitle {
        font-size: 17px;
        max-width: 90%;
        margin-bottom: 40px;
    }
    .cta-group {
        width: 100%;
        max-width: 300px;
    }
    .cta-primary {
        width: 100%;
        justify-content: center;
        padding: 18px 40px;
        font-size: 17px;
    }
    .features {
        grid-template-columns: 1fr;
        padding: 0 50px;
        margin-top: 50px;
        gap: 20px;
    }
    .stats {
        gap: 25px;
        padding: 35px 20px;
        margin-top: 50px;
    }
    .stat-item {
        min-width: 100px;
    }
    .stat-number {
        font-size: 42px;
    }
    .feature-icon img {
        width: 50px;
        height: 50px;
    }
    .hero-badge {
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 18px 20px;
    }
    .logo-text {
        font-size: 20px;
    }
    .lang-btn {
        padding: 9px 14px;
        font-size: 13px;
        gap: 8px;
    }
    .lang-btn img {
        width: 18px;
        height: 18px;
    }
    .hero {
        padding: 0;
    }
    .hero-badge {
        font-size: 12px;
        padding: 8px 16px;
        margin-bottom: 20px;
    }
    .hero-title {
        font-size: 36px;
        letter-spacing: -1.5px;
        margin-bottom: 18px;
    }
    .hero-subtitle {
        font-size: 16px;
        max-width: 95%;
        margin-bottom: 35px;
        line-height: 1.5;
    }
    .cta-group {
        max-width: 280px;
    }
    .cta-primary {
        padding: 16px 35px;
        font-size: 16px;
    }
    .submit {
        width: 16px;
        height: 16px;
    }
    .features {
        padding: 0 40px;
        margin-top: 40px;
        gap: 18px;
    }
    .feature-card {
        padding: 25px 22px;
    }
    .feature-icon {
        font-size: 38px;
        margin-bottom: 15px;
    }
    .feature-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    .feature-desc {
        font-size: 14px;
        line-height: 1.5;
    }
    .stats {
        gap: 20px;
        padding: 32px 15px;
        margin-top: 40px;
        flex-wrap: wrap;
    }
    .stat-item {
        flex: 1;
        min-width: 90px;
    }
    .stat-number {
        font-size: 36px;
        margin-bottom: 6px;
    }
    .stat-label {
        font-size: 11px;
    }
    .hero-badge {
        margin-top: 20px;
    }  
}

@media (max-width: 400px) {
    .header {
        padding: 16px 15px;
    }
    .logo-text {
        font-size: 19px;
    }
    .lang-btn {
        padding: 8px 12px;
        font-size: 12px;
        gap: 6px;
    }
    .lang-btn img {
        width: 16px;
        height: 16px;
    }
    .hero {
        padding: 0;
    }
    .hero-badge {
        font-size: 11px;
        padding: 7px 14px;
        margin-bottom: 18px;
    }
    .hero-title {
        font-size: 30px;
        letter-spacing: -1px;
        margin-bottom: 15px;
    }
    .hero-subtitle {
        font-size: 14px;
        margin-bottom: 30px;
        line-height: 1.5;
    }
    .cta-group {
        max-width: 260px;
    }
    .cta-primary {
        padding: 15px 28px;
        font-size: 15px;
        gap: 10px;
    }
    .submit {
        width: 15px;
        height: 15px;
    }
    .features {
        padding: 0 35px;
        gap: 16px;
        margin-top: 35px;
    }
    .feature-card {
        padding: 22px 18px;
    }
    .feature-icon {
        font-size: 36px;
        margin-bottom: 14px;
    }
    .feature-title {
        font-size: 17px;
        margin-bottom: 9px;
    }
    .feature-desc {
        font-size: 13px;
        line-height: 1.5;
    }
    .stats {
        gap: 15px;
        padding: 28px 10px;
        margin-top: 35px;
    }
    .stat-item {
        min-width: 75px;
    }
    .stat-number {
        font-size: 32px;
        margin-bottom: 5px;
    }
    .stat-label {
        font-size: 10px;
        letter-spacing: 0.5px;
    }
    .feature-icon img {
        width: 40px;
        height: 40px;
    }
    .hero-badge {
        margin-top: 20px;
    }  
}