:root {
    --clr-bg: #030325;
    --clr-bg-accent: #151d68;
    --clr-text: #b4c8d8;
    --clr-text-strong: #e6eef7;
    --clr-footer: #16222f;
    --clr-button-start: #2e8b57;
    --clr-button-end: #006400;
    --clr-button-hover-start: #3ca06a;
    --clr-button-hover-end: #008000;
    --clr-border: rgba(255, 255, 255, 0.28);
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    text-align: center;
    color: var(--clr-text);
    font-family: var(--font-sans);
    background:
        radial-gradient(circle at top, rgba(21, 29, 104, 0.95), rgba(3, 3, 37, 0.98) 48%),
        linear-gradient(180deg, #050535, var(--clr-bg));
}

.container {
    flex: 1;
    width: min(100%, 72rem);
    margin: 0 auto;
    padding: 0 1rem clamp(4.6rem, 9vh, 7rem);
    display: grid;
    align-content: center;
    justify-items: center;
    gap: clamp(0.9rem, 2.2vw, 1.5rem);
    transform: translateY(-1.35rem);
}

.logo {
    display: block;
    width: min(100%, clamp(22rem, 49vw, 39rem));
    height: auto;
    filter: drop-shadow(0 1rem 1.8rem rgba(0, 0, 0, 0.28));
    transition: filter 0.25s ease, transform 0.25s ease;
}

.logo:hover {
    filter: drop-shadow(0 1.15rem 2rem rgba(0, 0, 0, 0.32)) brightness(1.08) saturate(1.12);
    transform: translateY(-2px);
}

.tagline {
    margin: 0;
    display: grid;
    gap: 0.75rem;
    max-width: 42rem;
    font-size: clamp(1rem, 2.7vw, 1.35rem);
    font-weight: 700;
    letter-spacing: 0.015em;
}

.tagline p {
    margin: 0;
    color: mistyrose;
}

.tagline:hover p,
.tagline p:hover {
    color: snow;
}

.button-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

a {
    color: #d7deea;
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
}

a:hover {
    color: var(--clr-text-strong);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 9rem;
    padding: 0.9rem 1.45rem;
    border: 2.2px solid rgba(255, 255, 255, 0.36);
    border-radius: 0.7rem;
    background: linear-gradient(180deg, var(--clr-button-start), var(--clr-button-end));
    color: #fff;
    font-size: clamp(0.95rem, 1.8vw, 1.05rem);
    font-weight: 700;
    letter-spacing: 0.01em;
    box-shadow: 0 1rem 1.6rem rgba(0, 0, 0, 0.22);
}

.btn:hover {
    color: #fff7b0;
    background: linear-gradient(180deg, var(--clr-button-hover-start), var(--clr-button-hover-end));
    transform: translateY(-1px);
}

.btn:focus-visible {
    outline: 2px solid #7fd8ff;
    outline-offset: 3px;
}

.ftr-ln {
    height: 1px;
    background-color: purple;
    width: 100%;
}

footer {
    text-align: center;
    width: 100%;
    background: linear-gradient(to left, #162226 0%, var(--clr-footer) 100%);
    padding: 0 0 0.75rem;
}

footer a {
    display: inline-block;
    margin: 0.75rem 0 0.3rem;
    font-weight: 700;
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    color: lightsteelblue;
}

footer a:hover {
    color: mistyrose;
}

@media (max-width: 48rem) {
    .container {
        padding-inline: 0.9rem;
    }

    .tagline {
        gap: 0.6rem;
        font-size: clamp(0.95rem, 4vw, 1.15rem);
    }

    .btn {
        min-width: 8rem;
        padding: 0.8rem 1.2rem;
    }
}

@media (min-width: 90rem) {
    .container {
        width: min(100%, 86rem);
    }

    .tagline {
        max-width: 48rem;
        font-size: clamp(1.25rem, 2.2vw, 1.75rem);
    }

    .btn {
        min-width: 9.75rem;
        font-size: clamp(1rem, 1.35vw, 1.18rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}