:root,
[data-theme="dark"] {
    color-scheme: dark;
    --bg-0: #04111c;
    --bg-1: #081a28;
    --bg-2: #10253b;
    --line: rgba(137, 207, 240, 0.16);
    --line-strong: rgba(137, 207, 240, 0.28);
    --text: #eff8ff;
    --muted: #9db3c8;
    --muted-strong: #c7d8e8;
    --accent: #7dd3fc;
    --accent-strong: #3dd9eb;
    --accent-lime: #c4f060;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
    --shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.22);
    --grid-color: rgba(255, 255, 255, 0.02);
    --grid-opacity: 0.18;
    --panel-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    --card-bg: linear-gradient(180deg, rgba(10, 23, 38, 0.84), rgba(8, 18, 29, 0.58));
    --card-strong-bg:
        linear-gradient(160deg, rgba(125, 211, 252, 0.14), rgba(196, 240, 96, 0.08)),
        linear-gradient(180deg, rgba(7, 19, 32, 0.84), rgba(9, 21, 34, 0.5));
    --chip-bg: rgba(255, 255, 255, 0.06);
    --chip-muted-bg: rgba(255, 255, 255, 0.03);
    --card-border-soft: rgba(255, 255, 255, 0.08);
    --card-border-strong: rgba(255, 255, 255, 0.07);
    --endpoint-bg: rgba(255, 255, 255, 0.03);
    --endpoint-border: rgba(255, 255, 255, 0.06);
    --nav-active-bg: rgba(125, 211, 252, 0.09);
    --cta-secondary-bg: rgba(255, 255, 255, 0.04);
    --callout-highlight-border: rgba(196, 240, 96, 0.24);
    --callout-highlight-bg:
        linear-gradient(180deg, rgba(196, 240, 96, 0.08), rgba(8, 18, 29, 0.7)),
        linear-gradient(180deg, rgba(10, 23, 38, 0.84), rgba(8, 18, 29, 0.58));
    --mono-border: rgba(196, 240, 96, 0.2);
    --mono-bg: rgba(196, 240, 96, 0.05);
    --section-final-bg:
        radial-gradient(circle at top right, rgba(125, 211, 252, 0.14), transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    --toggle-bg: rgba(255, 255, 255, 0.06);
    --toggle-track-bg: linear-gradient(135deg, rgba(125, 211, 252, 0.2), rgba(61, 217, 235, 0.12));
    --toggle-knob-bg: linear-gradient(135deg, #f6fcff 0%, #b7f1ff 100%);
    --toggle-knob-shadow: 0 8px 16px rgba(0, 0, 0, 0.28);
    --logo-shell-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03));
    --logo-shell-border: rgba(255, 255, 255, 0.16);
    --logo-shell-shadow: 0 16px 34px rgba(61, 217, 235, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.38);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-pill: 999px;
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

[data-theme="light"] {
    color-scheme: light;
    --bg-0: #f2f7fb;
    --bg-1: #edf6ff;
    --bg-2: #f7f4ff;
    --line: rgba(61, 88, 128, 0.14);
    --line-strong: rgba(61, 88, 128, 0.26);
    --text: #16253a;
    --muted: #5f6d82;
    --muted-strong: #23354d;
    --accent: #2477e0;
    --accent-strong: #08b3d6;
    --accent-lime: #91c84d;
    --shadow: 0 24px 80px rgba(51, 71, 102, 0.16);
    --shadow-soft: 0 12px 36px rgba(51, 71, 102, 0.12);
    --grid-color: rgba(31, 59, 108, 0.06);
    --grid-opacity: 0.32;
    --panel-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.6));
    --card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(244, 249, 255, 0.82));
    --card-strong-bg:
        linear-gradient(160deg, rgba(36, 119, 224, 0.14), rgba(145, 200, 77, 0.12)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(244, 249, 255, 0.86));
    --chip-bg: rgba(255, 255, 255, 0.82);
    --chip-muted-bg: rgba(255, 255, 255, 0.62);
    --card-border-soft: rgba(61, 88, 128, 0.12);
    --card-border-strong: rgba(61, 88, 128, 0.12);
    --endpoint-bg: rgba(255, 255, 255, 0.72);
    --endpoint-border: rgba(61, 88, 128, 0.1);
    --nav-active-bg: rgba(36, 119, 224, 0.12);
    --cta-secondary-bg: rgba(255, 255, 255, 0.82);
    --callout-highlight-border: rgba(145, 200, 77, 0.26);
    --callout-highlight-bg:
        linear-gradient(180deg, rgba(145, 200, 77, 0.11), rgba(255, 255, 255, 0.94)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(244, 249, 255, 0.86));
    --mono-border: rgba(145, 200, 77, 0.26);
    --mono-bg: rgba(145, 200, 77, 0.12);
    --section-final-bg:
        radial-gradient(circle at top right, rgba(36, 119, 224, 0.14), transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(245, 249, 255, 0.8));
    --toggle-bg: rgba(255, 255, 255, 0.78);
    --toggle-track-bg: linear-gradient(135deg, rgba(36, 119, 224, 0.16), rgba(8, 179, 214, 0.1));
    --toggle-knob-bg: linear-gradient(135deg, #ffffff 0%, #dff0ff 100%);
    --toggle-knob-shadow: 0 8px 18px rgba(36, 119, 224, 0.18);
    --logo-shell-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(240, 247, 255, 0.9));
    --logo-shell-border: rgba(61, 88, 128, 0.16);
    --logo-shell-shadow: 0 16px 30px rgba(36, 119, 224, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

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

button {
    font: inherit;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.65;
    background:
        radial-gradient(circle at 8% 12%, rgba(125, 211, 252, 0.18), transparent 34%),
        radial-gradient(circle at 84% 14%, rgba(196, 240, 96, 0.1), transparent 22%),
        radial-gradient(circle at 80% 82%, rgba(61, 217, 235, 0.14), transparent 26%),
        linear-gradient(160deg, var(--bg-0) 0%, var(--bg-1) 42%, var(--bg-2) 100%);
    overflow-x: hidden;
    transition: background 220ms ease, color 220ms ease;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(circle at center, black 54%, transparent 100%);
    opacity: var(--grid-opacity);
}

.privacy-noise,
.privacy-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
}

.privacy-noise {
    opacity: 0.035;
    mix-blend-mode: soft-light;
    background-image:
        linear-gradient(0deg, transparent 0%, rgba(255, 255, 255, 0.5) 50%, transparent 100%),
        linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.4) 50%, transparent 100%);
    background-size: 240px 240px, 180px 180px;
}

.privacy-glow {
    filter: blur(120px);
    opacity: 0.45;
}

.privacy-glow-a {
    inset: -20% auto auto -12%;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: rgba(125, 211, 252, 0.24);
    animation: floatA 16s ease-in-out infinite alternate;
}

.privacy-glow-b {
    inset: auto -12% -10% auto;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: rgba(196, 240, 96, 0.12);
    animation: floatB 18s ease-in-out infinite alternate;
}

.page-shell {
    position: relative;
    z-index: 1;
    width: min(1360px, calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 64px;
}

.hero-panel,
.policy-section,
.policy-nav {
    border: 1px solid var(--line);
    background: var(--panel-bg);
    backdrop-filter: blur(30px) saturate(1.35);
    -webkit-backdrop-filter: blur(30px) saturate(1.35);
    box-shadow: var(--shadow);
}

.hero-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.86fr);
    gap: 24px;
    padding: clamp(24px, 4vw, 42px);
    border-radius: var(--radius-xl);
    margin-bottom: 24px;
    overflow: hidden;
    position: relative;
}

.hero-panel::before,
.policy-section::before,
.policy-nav::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(125, 211, 252, 0.6) 48%, transparent 100%);
}

.hero-copy,
.hero-stats,
.policy-nav,
.policy-section {
    position: relative;
}

.hero-topbar,
.hero-eyebrow,
.hero-actions,
.brand-row,
.mini-stat-grid,
.permission-grid,
.api-grid,
.footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-topbar {
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.hero-eyebrow {
    margin-bottom: 0;
}

.theme-toggle {
    -webkit-appearance: none;
    appearance: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 10px 8px 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    background: var(--toggle-bg);
    box-shadow: var(--shadow-soft);
    color: var(--text);
    cursor: pointer;
    outline: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    border-color: var(--line-strong);
}

.theme-toggle-track {
    position: relative;
    width: 56px;
    height: 30px;
    flex-shrink: 0;
    border-radius: var(--radius-pill);
    border: 1px solid var(--line);
    background: var(--toggle-track-bg);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.theme-toggle-knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--toggle-knob-bg);
    box-shadow: var(--toggle-knob-shadow);
    transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="light"] .theme-toggle-knob {
    transform: translateX(26px);
}

.theme-toggle-text {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--muted-strong);
}

.eyebrow-pill,
.section-badge,
.permission-top span,
.api-title-row span,
.service-head span {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--card-border-soft);
    background: var(--chip-bg);
    color: var(--muted-strong);
    font-size: 0.82rem;
    font-weight: 600;
}

.eyebrow-pill-muted,
.section-badge-calm {
    color: var(--muted);
    background: var(--chip-muted-bg);
}

.brand-row {
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 20px;
}

.brand-mark {
    width: 68px;
    height: 68px;
    flex: 0 0 68px;
    display: grid;
    place-items: center;
    margin-top: 8px;
}

.brand-logo {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.22));
}

.brand-label,
.section-kicker,
.signal-label,
.card-index,
.mini-stat span,
.section-note {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.72rem;
    color: var(--muted);
}

h1,
h2,
h3,
strong {
    font-family: var(--font-display);
}

h1 {
    margin: 0;
    font-size: clamp(2.4rem, 4.8vw, 4.3rem);
    line-height: 0.98;
    letter-spacing: -0.045em;
    max-width: 11ch;
}

h2 {
    margin: 0;
    font-size: clamp(1.5rem, 2.6vw, 2.15rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

h3 {
    margin: 0;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.hero-lead {
    margin: 0 0 14px;
    max-width: 62ch;
    font-size: 1.08rem;
    color: var(--muted-strong);
}

.hero-text,
.policy-section p,
.service-card p,
.callout p {
    margin: 0;
    color: var(--muted);
}

.hero-actions {
    margin-top: 24px;
}

.cta-primary,
.cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.cta-primary {
    color: #04111c;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-lime) 100%);
    box-shadow: 0 14px 32px rgba(125, 211, 252, 0.22);
}

.cta-secondary {
    color: var(--text);
    border: 1px solid var(--line-strong);
    background: var(--cta-secondary-bg);
}

.cta-primary:hover,
.cta-secondary:hover {
    transform: translateY(-2px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.signal-card {
    padding: 18px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border-strong);
    background: var(--card-bg);
    box-shadow: var(--shadow-soft);
}

.signal-card-strong {
    background: var(--card-strong-bg);
    border-color: var(--line-strong);
}

.signal-card strong {
    display: block;
    margin: 8px 0 6px;
    font-size: 1.18rem;
    letter-spacing: -0.03em;
}

.signal-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.policy-layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.policy-nav-shell {
    position: sticky;
    top: 20px;
}

.policy-nav {
    position: sticky;
    top: 20px;
    display: grid;
    gap: 8px;
    padding: 16px;
    border-radius: 26px;
}

.policy-nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 12px 14px;
    border-radius: 16px;
    border: 1px solid transparent;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.policy-nav a:hover,
.policy-nav a.active {
    color: var(--text);
    border-color: var(--line-strong);
    background: var(--nav-active-bg);
    transform: translateX(2px);
}

.policy-content {
    display: grid;
    gap: 20px;
}

.policy-section {
    position: relative;
    padding: clamp(22px, 3vw, 34px);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.section-kicker {
    margin: 0 0 10px;
}

.principles-grid,
.service-stack {
    display: grid;
    gap: 16px;
}

.principles-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 22px;
}

.info-card,
.service-card,
.callout,
.mini-stat,
.permission-card,
.api-card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border-soft);
    background: var(--card-bg);
    box-shadow: var(--shadow-soft);
}

.info-card {
    padding: 20px;
}

.card-index {
    display: inline-block;
    margin-bottom: 12px;
}

.info-card p {
    margin-top: 8px;
}

.callout {
    display: grid;
    gap: 8px;
    padding: 18px 20px;
    margin-top: 18px;
}

.callout strong {
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.callout-highlight {
    border-color: var(--callout-highlight-border);
    background: var(--callout-highlight-bg);
}

.mini-stat-grid {
    margin-top: 22px;
}

.mini-stat {
    flex: 1 1 180px;
    padding: 18px;
}

.mini-stat strong {
    display: block;
    margin-top: 10px;
    font-size: 1.22rem;
    letter-spacing: -0.03em;
}

.permission-grid,
.api-grid {
    margin-top: 6px;
}

.permission-grid {
    align-items: stretch;
}

.permission-card,
.api-card {
    flex: 1 1 240px;
    padding: 20px;
}

.permission-top,
.api-title-row,
.service-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.service-card {
    padding: 22px;
}

.service-stack {
    margin-top: 20px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.endpoint-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.endpoint-list li {
    padding: 12px 14px;
    border-radius: 16px;
    border: 1px solid var(--endpoint-border);
    background: var(--endpoint-bg);
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
    font-size: 0.9rem;
    color: var(--accent-strong);
    word-break: break-word;
}

.section-note {
    margin-top: 18px;
}

.mono-line {
    margin-top: 18px !important;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--mono-border);
    background: var(--mono-bg);
}

.policy-section-final {
    background: var(--section-final-bg);
}

.footer-actions {
    margin-top: 24px;
}

a {
    color: inherit;
}

@keyframes floatA {
    from {
        transform: translate3d(0, 0, 0);
    }
    to {
        transform: translate3d(48px, 30px, 0);
    }
}

@keyframes floatB {
    from {
        transform: translate3d(0, 0, 0);
    }
    to {
        transform: translate3d(-36px, -24px, 0);
    }
}

@media (max-width: 1120px) {
    .hero-panel,
    .policy-layout {
        grid-template-columns: 1fr;
    }

    .policy-nav-shell,
    .policy-nav {
        position: static;
    }

    .policy-nav {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }

    .principles-grid,
    .service-stack {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .page-shell {
        width: min(100% - 24px, 100%);
        padding-top: 18px;
        padding-bottom: 40px;
    }

    .hero-panel,
    .policy-section {
        border-radius: 24px;
    }

    .hero-panel {
        padding: 22px;
    }

    .hero-topbar {
        flex-direction: column;
        align-items: stretch;
    }

    .theme-toggle {
        justify-content: space-between;
        width: 100%;
    }

    .hero-stats,
    .principles-grid,
    .service-stack {
        grid-template-columns: 1fr;
    }

    .brand-row {
        align-items: flex-start;
    }

    .brand-mark {
        width: 56px;
        height: 56px;
        flex-basis: 56px;
        margin-top: 4px;
    }

    .policy-nav {
        grid-template-columns: 1fr 1fr;
    }

    .section-heading,
    .permission-top,
    .api-title-row,
    .service-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-primary,
    .cta-secondary {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}