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

:root {
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 20px;
    --space-lg: 30px;
    --space-xl: 50px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 50px;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: url("/public/bg2.jpg") no-repeat center/cover;
    background-attachment: fixed;
    color: #f8fafc;
    line-height: 1.6;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-lg);
    width: 100%;
    padding: 15px 50px;
    box-shadow: 0 2px 10px rgba(79, 78, 78, 0.5);
}

nav {
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.3);
}

.navbar__logo {
    font-size: 20px;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.navbar_menu {
    list-style: none;
    display: flex;
    gap: var(--space-md);
}

.navbar_menu a {
    text-decoration: none;
    color: #eee;
    transition: 0.3s;
}

.navbar_menu a:hover {
    color: #000000;
}

.hamburger {
    display: none;
    font-size: 28px;
    cursor: pointer;
}

.hero_container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    padding: var(--space-xl) var(--space-md);
    max-width: 1200px;
    margin: auto;
}

.hero_content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero_title {
    font-size: 42px;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.hero_subtitle {
    font-size: 18px;
    color: #dedfe4;
    max-width: 600px;
    margin-bottom: var(--space-lg);
}

.hero_actions {
    display: flex;
    gap: var(--space-md);
}

.btn_primary,
.btn_secondary {
    padding: 12px 25px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s ease;
}

.btn_primary {
    background: #353434;
    color: white;
}

.btn_primary:hover {
    background: #69696b;
    transform: scale(1.05);
}

.btn_secondary {
    background: #161616;
    color: white;
}

.btn_secondary:hover {
    background: #777978;
    transform: scale(1.05);
}

.login_box {
    width: 100%;
    max-width: 380px;
    margin: auto;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: rgba(62, 62, 62, 0.06);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(237, 232, 232, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: 0.3s ease;
}

.login_box:hover {
    transform: translateY(-5px);
}

.login_space {
    text-align: center;
    font-size: 22px;
}

.login_input {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

input {
    width: 100%;
    padding: 12px;
    border-radius: var(--radius-lg);
    border: none;
    background: rgba(147, 140, 140, 0.1);
    color: white;
}

input::placeholder {
    color: #e3e6ed;
}

.login_button {
    width: 100%;
    padding: 12px;
    border-radius: var(--radius-lg);
    background: #5f5c5c;
    color: white;
    font-weight: bold;
    font-size: 18px;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.login_button:hover {
    background: #2a2a2c;
    transform: scale(1.05);
}

.signup_link {
    text-decoration: none;
    color: #eee
}

.features {
    background: #131417;
}

.features_container {
    padding: var(--space-xl) var(--space-md);
    max-width: 1200px;
    margin: auto;
}

.section_title {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.features_grid {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.feature-card {
    padding: var(--space-md);
    width: 100%;
    max-width: 260px;
    border-radius: 150px;
    background: rgba(41, 40, 40, 0.05);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: 0.3s;
    border-radius: 20px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-8px);
}

.footer {
    text-align: center;
    padding: var(--space-md);
    margin-top: var(--space-lg);
}

@media (max-width: 1100px) {
    .hero_content {
        align-items: center;
    }
    .hero_container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero_actions {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: var(--space-sm);
    }
    .navbar__logo {
        display: none;
    }
    .hamburger {
        display: block;
    }
    .navbar_menu {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        background: rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(12px);
        border-radius: var(--radius-md);
        margin-top: var(--space-sm);
        padding: var(--space-sm);
    }
    .navbar_menu.active {
        display: flex;
    }
    .hero_title {
        font-size: 32px;
    }
    .hero_actions {
        flex-direction: column;
        align-items: center;
    }
    .btn_primary,
    .btn_secondary {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero_title {
        font-size: 26px;
    }
}