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

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

:root {
    --bg: #05060f;
    --surface: rgba(13, 17, 33, 0.8);
    --text: #f4f7ff;
    --muted: #b6bfd9;
    --primary: #7f5cff;
    --primary-2: #4fd9ff;
    --outline: rgba(255, 255, 255, 0.18);
}

body {
    min-height: 100vh;
    color: var(--text);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background:
        radial-gradient(circle at 20% 20%, rgba(127, 92, 255, 0.28), transparent 35%),
        radial-gradient(circle at 85% 10%, rgba(79, 217, 255, 0.20), transparent 42%),
        linear-gradient(145deg, #060814 0%, #05060f 45%, #101433 100%);
    overflow-x: hidden;
}

.page-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 70% 25%, rgba(127, 92, 255, 0.28), transparent 33%);
    filter: blur(30px);
    z-index: -1;
}

.container {
    width: min(1200px, 100% - 3rem);
    margin-inline: auto;
    padding: 1.5rem 0 3rem;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--outline);
    border-radius: 999px;
    background: rgba(5, 8, 20, 0.5);
    backdrop-filter: blur(10px);
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.4rem, 2vw, 2rem);
    letter-spacing: 0.04em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1.7vw, 1.4rem);
    flex-wrap: wrap;
    justify-content: flex-end;
}

.site-nav a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.9;
}

.site-nav a:hover {
    color: var(--primary-2);
}

.btn-sign {
    border: 1px solid transparent;
    background: linear-gradient(90deg, var(--primary), #9f6fff);
    color: #fff;
    padding: 0.62rem 1.1rem;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
}

.btn-sign:hover {
    filter: brightness(1.1);
}

.hero {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: clamp(1.2rem, 2.5vw, 2.5rem);
}

.tag-box {
    max-width: 36rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(127, 92, 255, 0.2), rgba(79, 217, 255, 0.22));
    padding: 0.45rem 1rem;
    margin-bottom: 1.2rem;
}

.tag p {
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.78rem;
    font-weight: 700;
}

.bigheading {
    font-size: clamp(2rem, 5.2vw, 4.2rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
}

.bigheading span {
    background: linear-gradient(90deg, #cabeff, #8be8ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.desc {
    margin-top: 1rem;
    max-width: 32rem;
    color: var(--muted);
    line-height: 1.65;
}

.buttons {
    margin-top: 1.6rem;
    display: flex;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.buttons a {
    text-decoration: none;
    border-radius: 999px;
    padding: 0.7rem 1.2rem;
    font-weight: 700;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.document {
    color: var(--text);
    background-color: transparent;
    border-color: var(--outline);
}

.document:hover {
    border-color: var(--primary-2);
    color: var(--primary-2);
}

.get-started {
    color: #fff;
    background: linear-gradient(90deg, var(--primary), #6f7dff);
}

.get-started:hover {
    filter: brightness(1.1);
}

.robot-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

.robotimage {
    width: min(100%, 560px);
    aspect-ratio: 1 / 1;
    height: auto;
    filter: drop-shadow(0 20px 50px rgba(15, 20, 45, 0.65));
}

@media (max-width: 980px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .tag-box,
    .desc {
        margin-inline: auto;
    }

    .buttons {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(1200px, 100% - 1.4rem);
        padding-top: 0.8rem;
    }

    .site-header {
        border-radius: 1.2rem;
        padding: 0.85rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav {
        width: 100%;
        justify-content: space-between;
        gap: 0.7rem;
    }

    .site-nav a {
        font-size: 0.86rem;
    }

    .btn-sign {
        width: 100%;
    }
}