:root {
    --navbar-background: rgba(7, 17, 29, 0.4);
    --navbar-border: rgba(98, 165, 255, 0.078); 

    --primary-background: #07111d;
    --secondary-background: #0b1730;

    --primary-color: #3F8CFF;
    --secondary-color: #7DB8FF;
    --box-background: rgba(16, 28, 47, 0.702);

    --text: white;
    --border: #9db0c82e;
    --shadow: #9db0c82e;;
}


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

html {
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(
            circle at top, 
            rgba(68, 142, 238, 0.399), 
            transparent 30%
        ),
        linear-gradient(
            180deg, 
            var(--primary-background) 0%, 
            var(--secondary-background) 45%, 
            var(--primary-background) 100%
        );
    background-repeat: no-repeat;
    min-height: 100vh;
    color: var(--text);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.5;
}

a {
    color: inherit;
}

main {
    width: 100%;
    margin: 0 auto;
}

.navbar {
    width: 100%;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    background: var(--navbar-background);
    border-bottom: 1px solid var(--navbar-border);
}

.navbar__brand {
    background: linear-gradient(
        90deg, var(--primary-color), 
        var(--secondary-color)
    );
    -webkit-text-fill-color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    text-decoration: none;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.navbar__nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.navbar__nav-links a {
    text-decoration: none;
    color: var(--text);
    font-size: 16px;
    transition: color 0.2s ease;
}

.navbar__nav-links a:hover {
    color: var(--secondary-color);
}

.page-shell {
    width: min(1100px, calc(100% - 32px));
    margin: 0 auto;
    padding-bottom: 5rem;
}

.page-hero {
    padding: 5rem 0 3rem;
    text-align: center;
}

.page-hero__content {
    max-width: 800px;
    margin: 0 auto;
}

.page-hero__actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.eyebrow {
    margin-bottom: 1.25rem;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.2rem;
    text-transform: uppercase;
}

.page-hero h1 {
    margin-bottom: 1rem;
    font-size: clamp(2.5rem, 5vw, 5rem);
    line-height: 1.5;
    letter-spacing: -0.05em;
}

.page-hero__description {
    color: var(--text);
    font-size: 1.1rem;
    line-height: 1.7;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 1.25rem;
    border-radius: 10px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button--primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.button--ghost {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
}

.button--secondary {
    border: 1px solid var(--border, rgba(98, 165, 255, 0.2));
    background: rgba(255, 255, 255, 0.04);
    color: var(--text, #ffffff);
}

.button--secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--secondary-color, #7DB8FF);
    transform: translateY(-2px);
}

.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--theme-border);
    text-align: center;
    margin-top: 3rem;
}

.footer__content {
    max-width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer__content p {
    color: var(--secondary-color);
    font-size: 0.95rem;
    opacity: 0.8;
}

.footer__links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer__links a {
    color: var(--text, #ffffff);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer__links a:hover {
    color: var(--primary-color);
}

@media (max-width: 700px) {
    .navbar {
        padding: 1rem;
        height: auto;
        flex-direction: column;
        justify-content: center;
        gap: 0.9rem;
    }

    .navbar__nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .applications__grid,
    .philosophy__grid {
        grid-template-columns: 1fr;
    }
}