/* DarkLock public UI foundation
   Shared presentation only: routing, authentication and API contracts remain server-owned. */
:root {
    color-scheme: dark;
    --dl-page: #080a0d;
    --dl-nav: #0b0e12;
    --dl-surface: #10141a;
    --dl-surface-2: #151a21;
    --dl-raised: #1a2029;
    --dl-input: #0b0f14;
    --dl-hover: #1c232d;
    --dl-selected: #17263a;
    --dl-border: rgba(255, 255, 255, 0.09);
    --dl-border-strong: rgba(255, 255, 255, 0.16);
    --dl-text: #f5f7fa;
    --dl-text-2: #b9c2ce;
    --dl-muted: #7f8a99;
    --dl-disabled: #596371;
    --dl-accent: #63a8ff;
    --dl-accent-2: #8b7cf6;
    --dl-success: #45c58a;
    --dl-warning: #e9ae4f;
    --dl-danger: #ef6b73;
    --dl-info: #68b8df;
    --dl-focus: #8fc4ff;
    --dl-free: #a4adb8;
    --dl-pro: #73aaff;
    --dl-enterprise: #b198ff;
    --dl-backdrop: rgba(0, 0, 0, 0.72);
    --dl-modal: #141920;
    --dl-radius: 10px;
    --dl-radius-lg: 14px;
    --dl-shadow: 0 20px 48px rgba(0, 0, 0, 0.32);
}

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

html {
    background: var(--dl-page);
    color-scheme: dark;
    scroll-behavior: smooth;
}

body,
body.public-home,
body.platform-layout {
    min-height: 100vh;
    margin: 0;
    background: var(--dl-page) !important;
    color: var(--dl-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
    letter-spacing: 0;
}

body::before,
body::after,
.site-bg,
.bg-animation,
.bg-grid,
.grid-bg,
.hero-grid-bg,
.pf-hero-orb,
.orb,
.aurora,
.glow,
.glow-orb,
.particle-canvas,
[data-particles] {
    display: none !important;
    content: none !important;
}

/* The old route diagram exposed implementation details as marketing content.
   The dedicated sitemap remains available at /site/sitemap. */
.pf-map { display: none !important; }

img, svg, video { max-width: 100%; }
img { height: auto; }
a { color: var(--dl-accent); text-underline-offset: 0.2em; }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
    outline: 3px solid var(--dl-focus) !important;
    outline-offset: 3px !important;
    box-shadow: none !important;
}

.skip-link,
.dashboard-skip-link {
    position: fixed !important;
    top: 12px !important;
    left: 12px !important;
    z-index: 10000 !important;
    padding: 10px 14px !important;
    border-radius: 8px !important;
    background: var(--dl-text) !important;
    color: var(--dl-page) !important;
    transform: translateY(-180%);
}

.skip-link:focus,
.dashboard-skip-link:focus { transform: none; }

.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.container,
.nav-inner,
.platform-container {
    width: min(100% - 40px, 1180px);
    margin-inline: auto;
}

.nav,
.navbar,
header.nav {
    position: sticky !important;
    top: 0;
    z-index: 1000;
    min-height: 68px;
    background: var(--dl-nav) !important;
    border: 0 !important;
    border-bottom: 1px solid var(--dl-border) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
}

.nav-inner,
.navbar .container {
    min-height: 68px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-brand,
.brand,
.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--dl-text) !important;
    font-size: 1rem !important;
    font-weight: 750;
    text-decoration: none;
    letter-spacing: 0;
}

.nav-brand img,
.brand img { width: 30px; height: 30px; object-fit: contain; }

.site-nav {
    min-height: 68px;
    background: var(--dl-nav);
    border-bottom: 1px solid var(--dl-border);
}
.site-nav-inner {
    width: min(100% - 40px, 1180px);
    min-height: 68px;
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: 24px;
}
.site-brand {
    color: var(--dl-text);
    font-weight: 750;
    text-decoration: none;
}
.site-nav nav { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.site-nav nav a { min-height: 40px; display: inline-flex; align-items: center; padding: 0 10px; color: var(--dl-text-2); text-decoration: none; }

.nav-links {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links > a,
.navbar a {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    padding: 0 11px;
    border-radius: 7px;
    color: var(--dl-text-2) !important;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0;
}

.nav-links > a:hover,
.nav-links > a[aria-current="page"],
.nav-links > a.active {
    color: var(--dl-text) !important;
    background: var(--dl-hover) !important;
}

.nav-toggle {
    display: none;
    margin-left: auto;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    border: 1px solid var(--dl-border);
    border-radius: 8px;
    background: var(--dl-surface);
    color: var(--dl-text);
    cursor: pointer;
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.nav-toggle:hover { background: var(--dl-hover); border-color: var(--dl-border-strong); }
.nav-toggle span { display: block; width: 19px; height: 2px; border-radius: 999px; background: currentColor; transition: transform 0.18s ease, opacity 0.18s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.btn,
.button,
.nav-cta,
.btn-cta,
button[type="submit"] {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: 8px !important;
    font: inherit;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
    transform: none !important;
    filter: none !important;
    box-shadow: none !important;
}

.btn-primary,
.nav-cta,
.btn-cta,
button[type="submit"] {
    background: var(--dl-accent) !important;
    border-color: var(--dl-accent) !important;
    color: #07101c !important;
}

.btn-primary:hover,
.nav-cta:hover,
.btn-cta:hover,
button[type="submit"]:hover { background: #82b9ff !important; }

.btn-secondary,
.btn-ghost,
.button-secondary {
    background: var(--dl-surface-2) !important;
    border-color: var(--dl-border-strong) !important;
    color: var(--dl-text) !important;
}

.btn-secondary:hover,
.btn-ghost:hover { background: var(--dl-hover) !important; }
.btn-danger { background: #35191e !important; border-color: #74333a !important; color: #ffc3c8 !important; }
.btn-warning { background: #332713 !important; border-color: #745928 !important; color: #f7d795 !important; }
.btn:disabled, button:disabled { opacity: 0.52; cursor: not-allowed; }

.hero,
.public-hero,
.page-hero,
.lp-hero,
.page-head {
    min-height: 0 !important;
    padding: 88px 0 68px !important;
    background: var(--dl-page) !important;
    border: 0 !important;
    border-bottom: 1px solid var(--dl-border) !important;
    box-shadow: none !important;
}

.hero-grid,
.lp-hero-grid { align-items: center; }
.hero-copy,
.lp-hero-copy { max-width: 680px; }

h1, h2, h3, h4, p { letter-spacing: 0; }
h1 {
    max-width: 18ch;
    margin: 0 0 18px;
    color: var(--dl-text) !important;
    font-size: 3rem !important;
    line-height: 1.08 !important;
    font-weight: 780 !important;
    text-shadow: none !important;
}
h2 { color: var(--dl-text); font-size: 2rem; line-height: 1.2; }
h3 { color: var(--dl-text); font-size: 1.2rem; line-height: 1.3; }
p, li { color: var(--dl-text-2); }

.gradient-text,
.dl-gradient-text,
[class*="gradient-text"] {
    background: none !important;
    color: var(--dl-text) !important;
    -webkit-text-fill-color: currentColor !important;
    text-shadow: none !important;
}

.eyebrow,
.kicker,
.platform-eyebrow,
.section-label {
    display: block;
    margin-bottom: 10px;
    color: var(--dl-accent) !important;
    font-size: 0.75rem !important;
    font-weight: 750;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.lede,
.hero p,
.page-head p { max-width: 68ch; color: var(--dl-text-2) !important; font-size: 1.05rem !important; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 0; list-style: none; }

.section { padding: 72px 0 !important; background: transparent !important; }
.section + .section { border-top: 1px solid var(--dl-border); }
.section-head { max-width: 720px; margin-bottom: 32px; }
.split-section { gap: 52px; }

.card,
.feature-card,
.app-card,
.pricing-card,
.review-card,
.platform-card,
.docs-card,
.status-card,
.auth-card,
.signin-card {
    background: var(--dl-surface) !important;
    border: 1px solid var(--dl-border) !important;
    border-radius: var(--dl-radius) !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    transform: none !important;
}

.card:hover,
.feature-card:hover,
.app-card:hover,
.pricing-card:hover,
.platform-card:hover {
    border-color: var(--dl-border-strong) !important;
    box-shadow: none !important;
    transform: none !important;
}

input,
select,
textarea,
.filter-select {
    min-height: 44px;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--dl-border-strong) !important;
    border-radius: 8px !important;
    background: var(--dl-input) !important;
    color: var(--dl-text) !important;
    font: inherit;
    letter-spacing: 0;
}
textarea { min-height: 120px; resize: vertical; }
label { color: var(--dl-text); font-weight: 650; }

.footer,
footer {
    background: var(--dl-nav) !important;
    border-top: 1px solid var(--dl-border) !important;
    color: var(--dl-muted);
    box-shadow: none !important;
}

.footer-grid { gap: 36px; }
.footer a { color: var(--dl-text-2); }
.footer a:hover { color: var(--dl-text); }

.legal-container,
.security-container,
.status-shell,
.docs-layout {
    width: min(100% - 40px, 1120px) !important;
    margin-inline: auto !important;
}

.legal-container,
.security-container,
.status-shell { padding-block: 72px !important; }
.docs-layout { padding-block: 56px 80px !important; }
.docs-content { max-width: 780px !important; }
.docs-sidebar { border-right: 1px solid var(--dl-border); padding-right: 20px; }

.platform-container { padding-block: 48px; }
.platform-breadcrumb { display: flex; gap: 8px; margin-bottom: 28px; color: var(--dl-muted); font-size: 0.875rem; }
.platform-breadcrumb a { color: var(--dl-text-2); }
.platform-page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.platform-page-header h1 { margin-bottom: 8px; font-size: 2rem !important; }
.platform-device-id { margin: 0; color: var(--dl-muted); overflow-wrap: anywhere; }
.platform-device-state { display: flex; align-items: center; gap: 10px; min-height: 42px; }
.platform-detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr); gap: 20px; }
.platform-card { padding: 22px; }
.device-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
    transition: border-color 140ms ease, background-color 140ms ease;
}
.device-card-link:hover {
    border-color: var(--dl-border-strong);
    background: var(--dl-raised);
}
.device-card-link:focus-visible {
    outline: 3px solid var(--dl-focus);
    outline-offset: 3px;
}
.platform-card h2 { margin-top: 0; font-size: 1.1rem; }
.platform-detail-list { margin: 0; }
.platform-detail-list > div { display: grid; grid-template-columns: minmax(120px, 0.55fr) 1fr; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--dl-border); }
.platform-detail-list > div:last-child { border-bottom: 0; }
.platform-detail-list dt { color: var(--dl-muted); }
.platform-detail-list dd { margin: 0; color: var(--dl-text); overflow-wrap: anywhere; }
.platform-action-stack { display: grid; gap: 9px; margin: 18px 0; }
.platform-action-stack .btn { width: 100%; }
.platform-callout { padding: 12px 14px; border-left: 3px solid var(--dl-info); background: var(--dl-surface-2); }
.platform-callout-warning { border-color: var(--dl-warning); }
.platform-microcopy { margin-bottom: 0; color: var(--dl-muted); font-size: 0.82rem; }
.platform-actions { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }

.auth-shell,
.container:has(> .signin-card) {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px 20px;
    background: var(--dl-page) !important;
}
.signin-card,
.auth-card { width: min(100%, 440px); padding: 28px !important; }
.signin-card h1,
.auth-card h1 { font-size: 1.8rem !important; }
.auth-page { min-height: calc(100vh - 68px); display: grid; place-items: center; padding: 48px 20px; }
.auth-actions { display: grid; gap: 10px; margin-block: 24px 18px; }
.auth-actions .btn { width: 100%; }

[role="dialog"] { background: var(--dl-modal); color: var(--dl-text); }

html.nav-open,
body.nav-open {
    overflow: hidden;
}

@media (max-width: 900px) {
    .container,
    .nav-inner,
    .platform-container { width: min(100% - 28px, 1180px); }
    .site-nav-inner { width: min(100% - 28px, 1180px); }
    .site-nav nav a:not(:last-child) { display: none; }
    h1 { font-size: 2.35rem !important; }
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .nav-links {
        display: flex;
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        position: fixed;
        z-index: 1001;
        top: 68px;
        right: 0;
        bottom: 0;
        left: auto;
        width: min(88vw, 360px);
        height: calc(100dvh - 68px);
        overflow-y: auto;
        overscroll-behavior: contain;
        padding: 14px 18px 24px;
        flex-direction: column;
        align-items: stretch;
        background: var(--dl-raised);
        border: 0;
        border-left: 1px solid var(--dl-border-strong);
        border-radius: 0;
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.42);
        transform: translateX(100%);
        transition: transform 0.2s ease, opacity 0.2s ease, visibility 0.2s;
    }
    .nav-links.open,
    .nav-links.nav-open {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transform: translateX(0);
    }
    .nav-links > a { width: 100%; min-height: 48px; border-bottom: 1px solid var(--dl-border); }
    .nav-links > a.nav-cta { justify-content: center; border-bottom: 0; }
    .nav-links .language-slot { padding-block: 10px; }
    .hero,
    .public-hero,
    .page-hero,
    .lp-hero,
    .page-head { padding: 64px 0 52px !important; }
    .platform-page-header { flex-direction: column; }
    .platform-detail-layout { grid-template-columns: 1fr; }
    .docs-layout { grid-template-columns: 1fr !important; }
    .docs-sidebar { position: static !important; border-right: 0; border-bottom: 1px solid var(--dl-border); padding: 0 0 20px; }
}

@media (max-width: 560px) {
    h1 { font-size: 2rem !important; }
    h2 { font-size: 1.55rem; }
    .section { padding: 52px 0 !important; }
    .hero-actions,
    .platform-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn,
    .platform-actions .btn { width: 100%; }
    .platform-device-state { flex-wrap: wrap; }
    .platform-detail-list > div { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}