:root {

    --background: #080b10;
    --background-soft: #10151d;
    --surface: rgba(10, 14, 20, 0.78);
    --border: rgba(255, 255, 255, 0.12);

    --text: #f2f4f7;
    --muted: #9ca6b3;

    --accent: #d7a84b;
    --accent-bright: #f0c96c;

    --success: #72d69b;

    --max-width: 1180px;

}

* {

    box-sizing: border-box;

}

html {

    scroll-behavior: smooth;

}

body {

    margin: 0;

    background: var(--background);

    color: var(--text);

    font-family:

        Inter,

        ui-sans-serif,

        system-ui,

        -apple-system,

        BlinkMacSystemFont,

        "Segoe UI",

        sans-serif;

    line-height: 1.6;

}

a {

    color: inherit;

    text-decoration: none;

}

.container {

    width: min(
        calc(100% - 3rem),
        var(--max-width)
    );

    margin: 0 auto;

}

header {

    position: absolute;

    top: 0;

    left: 0;

    right: 0;

    z-index: 20;

}

nav {

    display: flex;

    align-items: center;

    justify-content: space-between;

    padding: 1.5rem 0;

}

.logo {

    font-size: 1.25rem;

    font-weight: 800;

    letter-spacing: 0.16em;

}

.nav-links {

    display: flex;

    gap: 2rem;

    color: var(--muted);

    font-size: 0.9rem;

}

.nav-links a {

    transition: color 180ms ease;

}

.nav-links a:hover {

    color: var(--text);

}

.hero {

    position: relative;

    min-height: 100vh;

    display: flex;

    align-items: center;

    overflow: hidden;

}

.hero-background {

    position: absolute;

    inset: 0;

    z-index: 0;

}

.hero-background-image {

    position: absolute;

    inset: 0;

    width: 100%;

    height: 100%;

    object-fit: cover;

    object-position: center;

    opacity: 0;

    transform: scale(1.04);

    transition:

        opacity 1800ms ease-in-out,

        transform 9000ms ease-in-out;

}

.hero-background-image.active {

    opacity: 1;

    transform: scale(1);

}

.hero-overlay {

    position: absolute;

    inset: 0;

    z-index: 1;

    background:

        linear-gradient(

            90deg,

            rgba(5, 8, 12, 0.94) 0%,

            rgba(5, 8, 12, 0.78) 42%,

            rgba(5, 8, 12, 0.35) 100%

        );

}

.hero-content {

    position: relative;

    z-index: 2;

    display: grid;

    grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);

    gap: 5rem;

    align-items: center;

    padding-top: 6rem;

    padding-bottom: 5rem;

}

.hero-text {

    max-width: 680px;

}

.eyebrow {

    margin: 0 0 1.5rem;

    color: var(--accent-bright);

    font-size: 0.75rem;

    font-weight: 700;

    letter-spacing: 0.2em;

}

h1 {

    margin: 0;

    font-size: clamp(4rem, 10vw, 9rem);

    line-height: 0.9;

    letter-spacing: 0.04em;

}

.hero h2 {

    margin: 2rem 0 1.5rem;

    font-size: clamp(2rem, 4vw, 4rem);

    line-height: 1.05;

    font-weight: 700;

}

.hero-description {

    max-width: 600px;

    color: #d2d8df;

    font-size: 1.1rem;

}

.buttons {

    display: flex;

    flex-wrap: wrap;

    gap: 1rem;

    margin-top: 2rem;

}

.button {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    min-height: 3rem;

    padding: 0.75rem 1.5rem;

    border: 1px solid var(--border);

    border-radius: 0.4rem;

    background: rgba(0, 0, 0, 0.25);

    color: var(--text);

    font-weight: 600;

    transition:

        background 180ms ease,

        border-color 180ms ease,

        transform 180ms ease;

}

.button:hover {

    border-color: var(--accent);

    transform: translateY(-2px);

}

.button.primary {

    border-color: var(--accent);

    background: var(--accent);

    color: #101010;

}

.button.primary:hover {

    background: var(--accent-bright);

}

.terminal {

    overflow: hidden;

    border: 1px solid rgba(255, 255, 255, 0.16);

    border-radius: 0.75rem;

    background: var(--surface);

    box-shadow:

        0 2rem 5rem rgba(0, 0, 0, 0.4),

        0 0 0 1px rgba(0, 0, 0, 0.2);

    backdrop-filter: blur(16px);

}

.terminal-header {

    padding: 0.85rem 1.25rem;

    border-bottom: 1px solid var(--border);

    color: var(--muted);

    font-family: monospace;

    font-size: 0.85rem;

}

.terminal-body {

    padding: 1.5rem;

    color: #dce2e8;

    font-family: monospace;

    font-size: 0.9rem;

}

.prompt {

    color: var(--accent-bright);

}

.ok {

    color: var(--success);

    font-weight: 700;

}

.muted {

    color: var(--muted);

}

.features,

.principles {

    padding: 8rem 0;

}

.features {

    background: var(--background-soft);

}

.features h2,

.principles h2 {

    max-width: 700px;

    margin: 0 0 3rem;

    font-size: clamp(2rem, 4vw, 3.5rem);

    line-height: 1.1;

}

.feature-grid {

    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 1rem;

}

.feature {

    padding: 2rem;

    border: 1px solid var(--border);

    border-radius: 0.5rem;

    background: rgba(255, 255, 255, 0.025);

}

.feature h3 {

    margin-top: 0;

    color: var(--accent-bright);

}

.feature p,

.principles p {

    color: var(--muted);

}

.principles p {

    max-width: 760px;

    font-size: 1.2rem;

}

footer {

    padding: 2rem 0;

    border-top: 1px solid var(--border);

    color: var(--muted);

    font-size: 0.9rem;

}

@media (max-width: 900px) {

    .hero-content {

        grid-template-columns: 1fr;

        gap: 3rem;

    }

    .feature-grid {

        grid-template-columns: repeat(2, 1fr);

    }

}

@media (max-width: 600px) {

    .container {

        width: min(
            calc(100% - 2rem),
            var(--max-width)
        );

    }

    .nav-links {

        display: none;

    }

    .hero {

        min-height: auto;

    }

    .hero-content {

        padding-top: 8rem;

        padding-bottom: 4rem;

    }

    .hero-description {

        font-size: 1rem;

    }

    .feature-grid {

        grid-template-columns: 1fr;

    }

    .features,

    .principles {

        padding: 5rem 0;

    }

}