:root {
    --bg: #07111f;
    --surface: #0c1828;
    --surface-soft: #122238;
    --line: rgba(255, 255, 255, 0.14);
    --text: #f4f7fb;
    --muted: #a8b6c9;
    --accent: #7fe0ff;
    --accent-dark: #39b9e6;
    --container: 1120px;
    --radius: 4px;
}

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

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 12% 0%, rgba(127, 224, 255, 0.16), transparent 28rem),
        radial-gradient(circle at 88% 12%, rgba(255, 217, 120, 0.1), transparent 22rem),
        var(--bg);
}

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

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

button {
    font: inherit;
}

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

.container {
    width: min(calc(100% - 2rem), var(--container));
    margin: 0 auto;
}

.page-shell {
    min-height: 100vh;
    background: var(--bg);
}

.site-header,
.subpage-header {
    background: rgba(7, 17, 31, 0.94);
    border-bottom: 1px solid var(--line);
}

.site-header {
    position: relative;
}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 72px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 650;
}

.brand img,
.footer-brand img {
    width: 42px;
}

.desktop-nav {
    margin-left: auto;
}

.nav-list,
.mobile-nav-list,
.subnav,
.mobile-subnav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-item {
    position: relative;
}

.nav-item > a,
.mobile-nav-list > li > a {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    color: var(--muted);
    font-size: 0.95rem;
}

.nav-item > a:hover,
.nav-item > a:focus-visible,
.mobile-nav-list > li > a:hover,
.mobile-nav-list > li > a:focus-visible {
    color: var(--text);
}

.has-children > a::after {
    content: "";
    width: 0.4rem;
    height: 0.4rem;
    margin-left: 0.45rem;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
}

.subnav {
    position: absolute;
    top: calc(100% + 0.35rem);
    left: -0.75rem;
    z-index: 10;
    min-width: 210px;
    padding: 0.35rem 0;
    border: 1px solid var(--line);
    background: var(--surface);
    opacity: 0;
    visibility: hidden;
    transition: opacity 100ms ease, visibility 100ms ease;
}

.subnav a,
.mobile-subnav a {
    display: block;
    padding: 0.55rem 0.75rem;
    color: var(--muted);
    font-size: 0.94rem;
}

.subnav a:hover,
.subnav a:focus-visible,
.mobile-subnav a:hover,
.mobile-subnav a:focus-visible {
    color: var(--text);
    background: var(--surface-soft);
}

.has-children:hover .subnav,
.has-children:focus-within .subnav {
    opacity: 1;
    visibility: visible;
}

.menu-toggle {
    display: none;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--text);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 3px auto;
    background: currentColor;
    transition: transform 120ms ease, opacity 120ms ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-nav {
    display: none;
    background: var(--surface);
    border-top: 1px solid var(--line);
}

.mobile-nav.is-open {
    display: block;
}

.mobile-nav .container {
    padding: 0.8rem 0 1rem;
}

.mobile-nav-list > li + li {
    border-top: 1px solid var(--line);
}

.mobile-nav-list > li > a {
    width: 100%;
    justify-content: space-between;
    padding: 0.55rem 0;
}

.mobile-subnav {
    padding: 0 0 0.6rem 0.8rem;
}

.hero {
    padding: clamp(3rem, 7vw, 5.5rem) 0;
    background:
        linear-gradient(135deg, rgba(12, 24, 40, 0.98), rgba(7, 17, 31, 0.9)),
        var(--surface);
}

.hero-content {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.hero-copy {
    max-width: 620px;
}

.hero-kicker,
.eyebrow,
.feature-label,
.panel-label,
.highlight-eyebrow,
.activity-badge {
    margin: 0 0 0.8rem;
    color: var(--accent-dark);
    font-size: 0.92rem;
    font-weight: 650;
}

.hero-copy h1,
.section-heading h1,
.section-heading h2,
.footer-brand h2,
.subpage-title {
    margin: 0;
    line-height: 1.08;
    font-weight: 700;
    letter-spacing: 0;
}

.hero-copy h1 {
    max-width: 12ch;
    font-size: clamp(2.5rem, 7vw, 5rem);
}

.hero-lead {
    margin: 1.25rem 0 0;
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    line-height: 1.6;
    color: rgba(244, 247, 251, 0.92);
}

.hero-sublead,
.section-heading p,
.feature-copy p,
.content-panel p,
.activity-card p,
.highlight-card p,
.footer-brand p,
.footer-column a {
    line-height: 1.65;
    color: var(--muted);
}

.hero-sublead {
    margin: 1rem 0 0;
}

.hero-actions,
.hero-links,
.panel-links,
.footer-bottom,
.legal-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.hero-actions {
    margin-top: 1.8rem;
}

.hero-links {
    margin-top: 1.2rem;
}

.hero-links a,
.text-link {
    color: var(--accent-dark);
    font-weight: 600;
}

.hero-links a:hover,
.hero-links a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.72rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 650;
    transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.button-primary {
    color: #031019;
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

.button-primary:hover,
.button-primary:focus-visible {
    background: var(--accent);
    border-color: var(--accent);
}

.button-secondary {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--line);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: rgba(255, 255, 255, 0.28);
    background: var(--surface-soft);
}

.button-tertiary {
    color: var(--accent-dark);
    background: var(--surface);
    border-color: #b8c7da;
}

.compact-button {
    min-height: 40px;
    padding: 0.6rem 0.85rem;
}

.hero-screenshot,
.tool-preview,
.feature-image {
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #07111f;
}

.hero-screenshot img,
.tool-preview img,
.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-screenshot {
    aspect-ratio: 16 / 9;
}

.section {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
    border-top: 1px solid var(--line);
    background: var(--bg);
}

.section-muted {
    background: var(--surface);
}

.subpage-main {
    padding-bottom: 3rem;
}

.subpage-hero {
    padding-top: 3rem;
}

.subpage-title {
    font-size: clamp(2rem, 5vw, 3.6rem);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 2rem;
}

.section-heading.compact {
    margin-bottom: 1.5rem;
}

.section-heading h2,
.footer-brand h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
}

.feature-grid,
.highlight-grid,
.activity-grid,
.footer-grid,
.subpage-grid {
    display: grid;
    gap: 2rem;
}

.feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.content-panel,
.highlight-card,
.activity-card {
    padding-top: 1rem;
    border-top: 1px solid var(--line);
}

.feature-copy {
    padding: 0;
}

.feature-copy h3,
.content-panel h2,
.highlight-card h3,
.activity-card h3,
.footer-column h3 {
    margin: 0 0 0.65rem;
    font-size: 1.12rem;
}

.feature-copy p,
.content-panel p,
.highlight-card p,
.activity-card p {
    margin-top: 0;
}

.subpage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 2rem;
}

.legal-panel {
    max-width: 880px;
}

.legal-panel h2 {
    margin-top: 1.8rem;
}

.legal-panel h2:first-child {
    margin-top: 0;
}

.split-section {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.tool-preview {
    aspect-ratio: 4 / 3;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.metric {
    padding-top: 0.75rem;
    border-top: 1px solid var(--line);
}

.metric strong {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.metric span,
.panel-links a {
    color: var(--muted);
}

.partner-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
}

.partner-logo {
    display: grid;
    place-items: center;
    min-height: 96px;
    padding: 1rem;
    border-top: 1px solid var(--line);
}

.partner-logo img {
    max-height: 58px;
    width: auto;
    object-fit: contain;
}

.site-footer {
    padding: 1.5rem 0;
    border-top: 1px solid var(--line);
    background: rgba(7, 17, 31, 0.96);
}

.footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
    align-items: start;
}

.footer-brand {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.footer-column {
    display: grid;
    gap: 0.45rem;
}

.footer-bottom {
    justify-content: space-between;
    color: var(--muted);
}

.footer-bottom p {
    margin: 0;
}

.legal-links {
    gap: 1rem;
}

.legal-links a {
    color: var(--muted);
    font-size: 0.95rem;
}

.legal-links a:hover,
.legal-links a:focus-visible,
.footer-column a:hover,
.footer-column a:focus-visible {
    color: var(--text);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.header-backdrop,
.hero-media,
.hero-noise,
.hero-panel,
.partners-panel,
.hero-aside,
.hero-line {
    display: none;
}

.reveal,
.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (max-width: 1080px) {
    .desktop-nav {
        display: none;
    }

    .menu-toggle {
        display: inline-block;
    }

    .hero-content,
    .split-section,
    .subpage-grid,
    .feature-grid,
    .highlight-grid,
    .activity-grid,
    .partner-row,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy h1 {
        max-width: 14ch;
    }
}

@media (max-width: 720px) {
    .container {
        width: min(calc(100% - 1.25rem), var(--container));
    }

    .brand img,
    .footer-brand img {
        width: 38px;
    }

    .hero {
        padding: 2.5rem 0 3rem;
    }

    .hero-actions,
    .hero-links,
    .legal-links,
    .panel-links,
    .footer-bottom {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .footer-brand {
        flex-direction: column;
    }
}

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

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