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

html, body {
    height: 100%;
}

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    background: var(--c-bg);
    color: var(--c-text);
    -webkit-font-smoothing: antialiased;
}

.site-body {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 28px;
    background: var(--c-bg-glass);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--c-border-soft);
    gap: 8px;
}

.nav-burger {
    display: none;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 8px;
    width: 36px;
    height: 36px;
    padding: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.nav-burger:hover { background: var(--c-bg-soft); }

.nav-burger span {
    display: block;
    width: 16px;
    height: 1.5px;
    background: var(--c-text);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

body.nav-open .nav-burger span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
body.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
body.nav-open .nav-burger span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--c-text);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: -0.01em;
    min-width: 0;
}

.nav-logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    flex-shrink: 0;
}

.nav-brand-text {
    white-space: nowrap;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--c-text-mut);
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover {
    color: var(--c-text);
    background: var(--c-bg-soft);
}

.nav-link.active {
    color: var(--c-text);
    background: var(--c-bg-soft);
}

.nav-auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 16px;
    border-radius: 999px;
    border: 1px solid var(--c-border);
    background: var(--c-bg-elev);
    color: var(--c-text-mut);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.01em;
    cursor: default;
    margin: 0 4px;
}

:root[data-theme="dark"] .nav-logo {
    filter: invert(1) hue-rotate(180deg);
}

/* Main */
.site-main {
    flex: 1;
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: 64px 32px 96px;
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

.page-kicker {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-text-soft);
    margin-bottom: 12px;
}

.page-title {
    font-size: 32px;
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--c-text);
    margin-bottom: 8px;
}

.page-lead {
    font-size: 14px;
    line-height: 1.65;
    color: var(--c-text-mut);
    max-width: 52ch;
}

.page-card {
    margin-top: 40px;
    padding: 24px;
    border: 1px solid var(--c-border);
    border-radius: 14px;
    background: var(--c-bg-elev);
}

.page-card p {
    font-size: 14px;
    line-height: 1.65;
    color: var(--c-text-mut);
}

/* Footer */
.site-footer {
    padding: 24px 32px;
    padding-bottom: max(24px, env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--c-border-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px 20px;
    font-size: 11px;
    color: var(--c-text-soft);
    letter-spacing: 0.02em;
    background: var(--c-bg);
    margin-top: auto;
}

.site-footer > span:first-child {
    flex: 1 1 auto;
    min-width: 0;
}

.legal-inline {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 8px;
    flex-shrink: 0;
}

.legal-inline a {
    color: var(--c-text-soft);
    text-decoration: none;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.legal-inline a:hover { color: var(--c-text-mut); }

.legal-inline .legal-sep { color: var(--c-text-faint); }

/* Legal pages */
.legal-page {
    max-width: 640px;
}

.legal-page .back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--c-text-soft);
    text-decoration: none;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 40px;
    transition: color 0.2s ease;
}

.legal-page .back:hover { color: var(--c-text); }
.legal-page .back::before { content: '←'; font-size: 13px; }

.legal-section {
    margin-bottom: 32px;
}

.legal-section h2 {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-text-mut);
    margin-bottom: 12px;
}

.legal-section p,
.legal-section li {
    font-size: 14px;
    line-height: 1.65;
    color: var(--c-text);
}

.legal-section ul {
    padding-left: 18px;
}

.legal-section li + li { margin-top: 8px; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
    .navbar {
        padding: 10px 16px;
        padding-top: max(10px, env(safe-area-inset-top, 0px));
    }

    .nav-burger { display: inline-flex; }

    .nav-right {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--c-bg-elev);
        border-bottom: 1px solid var(--c-border-soft);
        flex-direction: column;
        align-items: stretch;
        padding: 14px 18px max(18px, env(safe-area-inset-bottom, 0px));
        gap: 4px;
        max-height: calc(100dvh - 56px);
        overflow-y: auto;
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
        z-index: 40;
    }

    body.nav-open .nav-right {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    body.nav-open { overflow: hidden; }

    .nav-link {
        padding: 12px 14px;
        font-size: 14px;
        width: 100%;
        text-align: left;
    }

    .theme-toggle {
        align-self: flex-start;
        margin: 4px 0 8px 4px;
    }

    .nav-auth-btn {
        width: 100%;
        margin: 0 0 8px;
        min-height: 42px;
    }

    .nav-logo { width: 58px; height: 58px; }
    .nav-brand-text { font-size: 16px; }

    .site-footer {
        padding: 20px 16px;
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .site-footer > span:first-child { order: 2; }
    .legal-inline { order: 1; justify-content: center; width: 100%; }
}

@media (max-width: 600px) {
    .site-main { padding: 28px 16px 48px; }
    .page-title { font-size: 24px; }
}