:root {
    --color-bg: #0A0A0A;
    --color-surface: #121212;
    --color-surface-alt: #1A1A1A;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-text: #EAEAEA;
    --color-text-muted: #A1A1AA;
    --color-accent: #5F6B7A;
    --color-accent-hover: #4E5865;
    --accent-rgb: 95, 107, 122;
    --accent-hover-rgb: 78, 88, 101;
    --accent-deep-rgb: 54, 62, 72;
    --accent-soft-rgb: 159, 171, 186;
    --color-white: #FFFFFF;

    --font-heading: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;

    --container-width: 86%;
    --section-space: 6rem;
    --radius-sm: 0.75rem;
    --radius-md: 1.125rem;
    --radius-lg: 1.5rem;

    --shadow-soft: 0 0.625rem 1.875rem rgba(0, 0, 0, 0.25);
    --transition-fast: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

.site-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-main {
    flex: 1;
}

.container {
    width: var(--container-width);
    margin: 0 auto;
}

/* Footer */
.site-footer {
    position: relative;
    overflow: hidden;
    border-top: 0.0625rem solid var(--color-border);
    background:
        radial-gradient(circle at 18% 18%, rgba(255,255,255,0.02), transparent 20%),
        radial-gradient(circle at 82% 18%, rgba(var(--accent-rgb),0.08), transparent 18%),
        linear-gradient(180deg, rgba(255,255,255,0.014), rgba(255,255,255,0.02));
    padding: 4.4rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(11rem, 0.7fr) minmax(0, 0.9fr);
    gap: 1.6rem 2rem;
    align-items: start;
}

.footer-brand,
.footer-block {
    position: relative;
}

.footer-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0 0 0.9rem;
    color: #c4c4cc;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.footer-kicker::before {
    content: "";
    width: 3rem;
    height: 0.0625rem;
    background: linear-gradient(90deg, rgba(var(--accent-rgb),0.95), rgba(var(--accent-rgb),0.12));
}

.footer-brand h3,
.footer-block h4 {
    margin-top: 0;
    margin-bottom: 0.82rem;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    max-width: 18ch;
    font-size: clamp(1.18rem, 1.6vw, 1.55rem);
    line-height: 1.18;
}

.footer-block h4 {
    color: var(--color-text);
    font-size: 0.92rem;
    letter-spacing: 0.04em;
}

.footer-brand p,
.footer-block p,
.footer-block li,
.footer-block a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.footer-brand > p:not(.footer-kicker),
.footer-status p {
    max-width: 34rem;
    line-height: 1.78;
}

.footer-signals {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.2rem;
}

.footer-signals span {
    display: inline-flex;
    align-items: center;
    min-height: 2.15rem;
    padding: 0 0.88rem;
    border-radius: 999rem;
    border: 0.0625rem solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.02);
    color: #e5e5ea;
    font-size: 0.82rem;
}

.footer-block ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-block li + li {
    margin-top: 0.625rem;
}

.footer-block a,
.footer-bottom a {
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

.footer-block a:hover,
.footer-bottom a:hover {
    color: var(--color-text);
}

.footer-link {
    display: inline-flex;
    align-items: center;
    margin-top: 1.1rem;
    color: var(--color-text);
    font-weight: 600;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 0.0625rem solid var(--color-border);
}

.footer-bottom p,
.footer-bottom a {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0 1.25rem;
    border-radius: 999rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border: 0.0625rem solid var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-0.0625rem);
}

.btn-secondary {
    border: 0.0625rem solid var(--color-border);
    background: rgba(255,255,255,0.02);
    color: var(--color-text);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.05);
    transform: translateY(-0.0625rem);
}

/* Utility */
section {
    padding: var(--section-space) 0;
}

/* Responsive */
@media (max-width: 64rem) {
    :root {
        --section-space: 5rem;
    }

    .container {
        width: 90%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.35rem;
    }

    .footer-brand h3,
    .footer-brand > p:not(.footer-kicker),
    .footer-status p {
        max-width: none;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 48rem) {
    .container {
        width: 92%;
    }

    .btn {
        width: 100%;
    }

    .site-footer {
        padding: 3.5rem 0 1.25rem;
    }

    .footer-signals span {
        font-size: 0.8rem;
    }
}

@media (max-width: 30rem) {
    :root {
        --section-space: 4rem;
    }

    .footer-block h3 {
        font-size: 1.15rem;
    }

    .footer-block h4,
    .footer-brand p,
    .footer-block p,
    .footer-block li,
    .footer-block a,
    .footer-bottom p {
        font-size: 0.9rem;
    }

    .footer-signals {
        gap: 0.55rem;
    }

    .footer-signals span {
        width: 100%;
        justify-content: flex-start;
        padding: 0.72rem 0.95rem;
        border-radius: 1rem;
    }
}