/* 2026 cyberpunk-retro. Brand violet stays the signal; cyan and magenta
   are the phosphor edges. The theme follows the OS until the visitor chooses one. */
:root {
    color-scheme: light;
    --color-primary: #5b4dff;
    --color-primary-text: #f7f5fb;
    --color-secondary: #9a3dff;
    --color-magenta: #d4146c;
    --color-cyan: #0b8f9c;
    --color-success: #06d6a0;
    --color-info: #4fc3f7;
    --color-warning: #ffd166;
    --color-error: #ef476f;
    --color-dark: #16141f;
    --color-text-primary: #16141f;
    --color-text-secondary: #514b63;
    --color-background: #ece8f4;
    --color-background-gray: #e2dcea;
    --color-surface: #f7f5fb;
    --color-appbar-background: #f7f5fb;
    --color-appbar-text: #16141f;
    --color-drawer-background: #f7f5fb;
    --color-drawer-text: #16141f;
    --color-lines-default: #d2cbdf;
    --color-lines-inputs: #c3bbd2;
    --color-table-lines: #d2cbdf;
    --color-divider: #d2cbdf;
    --color-overlay: rgba(22, 20, 31, 0.45);
    --color-action-hover: rgba(91, 77, 255, 0.08);
    --grid-line: rgba(91, 77, 255, 0.08);
    --offset: 5px;
    --font-sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-display: "Orbitron", "Inter", sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;
    --appbar-height: 72px;
    --radius: 0px;
    --drawer-width: 280px;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --color-primary: #8d7dff;
    --color-primary-text: #07060d;
    --color-secondary: #c084fc;
    --color-magenta: #ff3d9a;
    --color-cyan: #3dffe5;
    --color-dark: #07060d;
    --color-text-primary: #f4f1fb;
    --color-text-secondary: #b7b0c9;
    --color-background: #07060d;
    --color-background-gray: #100e18;
    --color-surface: #13111c;
    --color-appbar-background: #0c0b12;
    --color-appbar-text: #f4f1fb;
    --color-drawer-background: #100e18;
    --color-drawer-text: #f4f1fb;
    --color-lines-default: #2c2740;
    --color-lines-inputs: #3a3452;
    --color-table-lines: #2c2740;
    --color-divider: #2c2740;
    --color-overlay: rgba(0, 0, 0, 0.62);
    --color-action-hover: rgba(61, 255, 229, 0.08);
    --grid-line: rgba(61, 255, 229, 0.055);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --color-primary: #8d7dff;
        --color-primary-text: #07060d;
        --color-secondary: #c084fc;
        --color-magenta: #ff3d9a;
        --color-cyan: #3dffe5;
        --color-dark: #07060d;
        --color-text-primary: #f4f1fb;
        --color-text-secondary: #b7b0c9;
        --color-background: #07060d;
        --color-background-gray: #100e18;
        --color-surface: #13111c;
        --color-appbar-background: #0c0b12;
        --color-appbar-text: #f4f1fb;
        --color-drawer-background: #100e18;
        --color-drawer-text: #f4f1fb;
        --color-lines-default: #2c2740;
        --color-lines-inputs: #3a3452;
        --color-table-lines: #2c2740;
        --color-divider: #2c2740;
        --color-overlay: rgba(0, 0, 0, 0.62);
        --color-action-hover: rgba(61, 255, 229, 0.08);
        --grid-line: rgba(61, 255, 229, 0.055);
    }
}

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

html,
body {
    margin: 0;
    padding: 0;
}

html {
    background: var(--color-background);
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    background-color: var(--color-background);
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 56px 56px;
    background-attachment: fixed;
    color: var(--color-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.nav-open {
    overflow: hidden;
}

::selection {
    background: var(--color-magenta);
    color: #fff;
}

:focus-visible {
    outline: 2px solid var(--color-cyan);
    outline-offset: 3px;
}

img {
    max-width: 100%;
    border: 0;
}

a {
    color: inherit;
}

h1, h2, h3, h4, p {
    margin: 0;
}

.main {
    min-height: calc(100vh - 360px);
    padding-top: var(--appbar-height);
}

.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

@media (min-width: 600px) {
    .container {
        padding-left: 28px;
        padding-right: 28px;
    }
}

@media (min-width: 960px) {
    .container-md { max-width: 960px; }
}

@media (min-width: 1280px) {
    .container-lg { max-width: 1180px; }
}

@media (min-width: 1920px) {
    .container-xl { max-width: 1360px; }
}

.grid {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
}

.grid > * {
    box-sizing: border-box;
}

.grid-gap-4 {
    width: calc(100% + 20px);
    margin-left: -20px;
    margin-top: -20px;
}

.grid-gap-4 > * {
    padding-left: 20px;
    padding-top: 20px;
}

.grid-gap-6 {
    width: calc(100% + 24px);
    margin-left: -24px;
    margin-top: -24px;
}

.grid-gap-6 > * {
    padding-left: 24px;
    padding-top: 24px;
}

.col-12 { flex: 0 0 100%; max-width: 100%; }

@media (min-width: 960px) {
    .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
}

@media (min-width: 1280px) {
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
}

.justify-center { justify-content: center; }
.text-center { text-align: center; }

.icon {
    width: 1em;
    height: 1em;
    display: inline-block;
    vertical-align: -0.15em;
    flex: 0 0 auto;
}

.icon-sm { font-size: 1.1rem; }
.icon-md { font-size: 1.35rem; }
.icon-lg { font-size: 1.75rem; }
.icon-xl { font-size: 3.25rem; }
.icon-primary { color: var(--color-cyan); }

.appbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    height: var(--appbar-height);
    display: flex;
    align-items: center;
    color: var(--color-appbar-text);
    background-color: var(--color-appbar-background);
}

.appbar::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-primary) 48%, var(--color-magenta));
}

.bar-inner {
    display: flex;
    align-items: center;
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
}

@media (min-width: 600px) {
    .bar-inner {
        padding-left: 28px;
        padding-right: 28px;
    }
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    margin-right: auto;
    color: inherit;
}

.theme-logo {
    display: inline-flex;
    line-height: 0;
}

.theme-logo img {
    filter: none !important;
}

.theme-logo .theme-logo-dark {
    display: none;
}

:root[data-theme="dark"] .theme-logo .theme-logo-light {
    display: none;
}

:root[data-theme="dark"] .theme-logo .theme-logo-dark {
    display: block;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-logo .theme-logo-light {
        display: none;
    }

    :root:not([data-theme="light"]) .theme-logo .theme-logo-dark {
        display: block;
    }
}

.brand-logo img {
    display: block;
    height: 34px;
    width: auto;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.desktop-nav {
    display: none;
    align-items: center;
    gap: 4px;
}

.nav-button {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--color-appbar-text);
    padding: 10px 14px;
    border-radius: 0;
}

.nav-button:hover,
.nav-button[aria-current="page"] {
    color: var(--color-cyan);
    box-shadow: inset 0 -2px 0 var(--color-cyan);
}

.nav-cta {
    margin-left: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    max-width: 100%;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    border-radius: 0;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.btn-filled {
    padding: 14px 22px;
    color: var(--color-primary-text);
    background: var(--color-magenta);
    border-color: var(--color-magenta);
    box-shadow: var(--offset) var(--offset) 0 var(--color-cyan);
}

.btn-filled:hover {
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 var(--color-cyan);
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-text {
    padding: 14px 18px;
    color: var(--color-text-primary);
    background: transparent;
    border-color: var(--color-lines-default);
}

.btn-text:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.menu-button {
    list-style: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-lines-default);
    cursor: pointer;
    color: var(--color-appbar-text);
}

.menu-button::-webkit-details-marker { display: none; }
.menu-button::marker { content: ""; }

.menu-button:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-left: 40px;
    margin-right: 16px;
    padding: 0;
    border: 1px solid var(--color-lines-default);
    background: transparent;
    color: var(--color-appbar-text);
    cursor: pointer;
}

.theme-toggle:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.theme-icon-sun { display: none; }

:root[data-theme="dark"] .theme-icon-moon { display: none; }
:root[data-theme="dark"] .theme-icon-sun { display: block; }

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-icon-moon { display: none; }
    :root:not([data-theme="light"]) .theme-icon-sun { display: block; }
}

.mobile-nav {
    display: block;
    position: relative;
}

.drawer,
.drawer-backdrop {
    display: none;
}

.mobile-nav[open] .drawer-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: var(--color-overlay);
    z-index: 1200;
}

.mobile-nav[open] .drawer {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    width: var(--drawer-width);
    max-width: calc(100% - 56px);
    height: 100%;
    background: var(--color-drawer-background);
    color: var(--color-drawer-text);
    z-index: 1300;
    border-left: 2px solid var(--color-cyan);
}

.mobile-nav[open] .menu-button {
    position: relative;
    z-index: 1400;
    background: var(--color-appbar-background);
}

.drawer-header {
    display: flex;
    align-items: center;
    min-height: var(--appbar-height);
    padding: 12px 24px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--color-lines-default);
}

.drawer-links {
    display: flex;
    flex-direction: column;
    padding-top: 8px;
}

.drawer-links a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 22px;
    text-decoration: none;
    color: inherit;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.drawer-links a:hover,
.drawer-links a[aria-current="page"] {
    background: var(--color-action-hover);
    color: var(--color-cyan);
}

@media (min-width: 960px) {
    .desktop-nav { display: flex; }
    .mobile-nav { display: none; }
}

.kicker {
    margin: 0 0 16px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-cyan);
}

.kicker::before {
    content: "// ";
    color: var(--color-magenta);
}

.hero {
    padding: 56px 0 24px;
}

.hero-grid {
    display: grid;
    gap: 36px;
    align-items: center;
}

@media (min-width: 960px) {
    .hero {
        padding: 88px 0 40px;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.75fr);
        gap: 48px;
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.6vw, 3.6rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: 0.01em;
    margin-bottom: 20px;
    text-wrap: balance;
}

.gradient-text {
    background: linear-gradient(100deg, var(--color-cyan) 0%, var(--color-primary) 42%, var(--color-magenta) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.hero-lead {
    max-width: 38rem;
    font-size: 1.125rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
    margin-bottom: 28px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}

.hero-mark {
    display: flex;
    justify-content: center;
}

.hero-logo img {
    width: min(280px, 72vw);
    height: auto;
}

.home-features {
    margin-top: 28px;
    margin-bottom: 24px;
    counter-reset: card;
}

.feature-card,
.service-card,
.paper {
    position: relative;
    background:
        linear-gradient(var(--color-cyan), var(--color-cyan)) top left / 16px 2px no-repeat,
        linear-gradient(var(--color-cyan), var(--color-cyan)) top left / 2px 16px no-repeat,
        linear-gradient(var(--color-magenta), var(--color-magenta)) bottom right / 16px 2px no-repeat,
        linear-gradient(var(--color-magenta), var(--color-magenta)) bottom right / 2px 16px no-repeat,
        var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-lines-default);
    border-radius: 0;
}

.feature-card {
    height: 100%;
    padding: 28px 24px 26px;
}

.home-features .feature-card {
    counter-increment: card;
}

.home-features .feature-card::after {
    content: counter(card, decimal-leading-zero);
    position: absolute;
    top: 16px;
    right: 16px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--color-magenta);
}

.feature-card-compact {
    padding: 24px 18px;
}

.feature-card:hover,
.service-card:hover {
    border-color: var(--color-cyan);
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--color-magenta);
}

.icon-tile {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 18px;
    color: var(--color-cyan);
    border: 1px solid var(--color-lines-default);
    background: transparent;
}

.feature-title,
.service-title,
.reason-title,
.subsection-title,
.contact-heading,
.reasons-heading {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.feature-title {
    font-size: 1.05rem;
    line-height: 1.35;
    margin-bottom: 10px;
}

.feature-text,
.reason-text,
.body,
.contact-intro,
.footer-blurb {
    color: var(--color-text-secondary);
}

.feature-text {
    font-size: 0.98rem;
    line-height: 1.65;
}

.page {
    margin-top: 48px;
    margin-bottom: 56px;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: 0.03em;
    text-align: left;
    margin-bottom: 28px;
}

.page-title::before {
    content: "";
    display: inline-block;
    width: 18px;
    height: 3px;
    margin-right: 12px;
    background: var(--color-magenta);
    vertical-align: middle;
}

.about-logo-wrap + .page-title {
    text-align: center;
}

.about-logo-wrap + .page-title::before {
    content: none;
}

.page-title-spaced {
    margin-bottom: 28px;
}

.about-logo-wrap {
    text-align: center;
    margin-bottom: 28px;
}

.about-logo {
    max-width: 280px;
    width: 100%;
}

.about-logo img {
    width: 100%;
    height: auto;
}

.paper {
    margin-top: 8px;
    padding: 32px;
}

.paper-center,
.paper-contact {
    text-align: center;
}

.paper-contact {
    margin-top: 0;
    padding: 48px 32px;
}

.subsection-title {
    font-size: 1.05rem;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--color-cyan);
}

.subsection-spaced {
    margin-top: 28px;
}

.body {
    font-size: 1.02rem;
    line-height: 1.7;
}

.body-spaced {
    margin-bottom: 8px;
}

.service-card {
    height: 100%;
    margin: 0;
    padding: 8px;
}

.service-card-body {
    padding: 22px 20px 20px;
}

.service-title {
    font-size: 1.05rem;
    line-height: 1.35;
    margin-top: 16px;
    margin-bottom: 12px;
}

.divider {
    border: 0;
    border-top: 1px solid var(--color-divider);
    margin: 0 0 14px;
}

.contact-mail-icon {
    display: block;
    margin: 0 auto 12px;
    color: var(--color-magenta);
}

.contact-heading {
    font-size: 1.35rem;
    line-height: 1.3;
    margin-bottom: 12px;
}

.contact-intro {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.reasons {
    margin-top: 48px;
}

.reasons-heading {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.reason-icon {
    display: block;
    margin: 8px auto 12px;
}

.reason-title {
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 8px;
}

.reason-text {
    font-size: 0.92rem;
    line-height: 1.6;
}

.site-footer {
    margin-top: 72px;
    border-top: 1px solid var(--color-lines-default);
    background: var(--color-background-gray);
}

.footer-divider {
    display: none;
}

.footer-logo {
    margin-bottom: 14px;
}

.footer-logo img {
    display: block;
    height: 32px;
    width: auto;
}

.footer-blurb {
    font-size: 0.92rem;
    line-height: 1.65;
    max-width: 32rem;
}

.footer-heading {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-cyan);
    margin-bottom: 12px;
}

.footer-link {
    display: block;
    margin-bottom: 8px;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    color: var(--color-text-primary);
}

.footer-link::before {
    content: "> ";
    color: var(--color-magenta);
}

.footer-link:hover {
    color: var(--color-cyan);
}

.footer-grid {
    padding-top: 36px;
    padding-bottom: 20px;
}

.copyright {
    text-align: left;
    padding-bottom: 28px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
}

@media (max-width: 599px) {
    .brand-name {
        display: none;
    }

    .hero {
        padding: 36px 0 8px;
    }

    .paper,
    .paper-contact {
        padding: 24px 18px;
    }

    .hero-actions .btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .btn,
    .feature-card,
    .service-card {
        transition: none;
    }
}