/*
Theme Name: U-Boot.Info
Theme URI: https://www.u-boot.info/
Author: u-boot.info
Description: Maßgeschneidertes Theme für das Informationsportal u-boot.info. Startversion mit eigenständiger Coming-Soon-Seite.
Version: 0.1.3
Requires at least: 6.6
Requires PHP: 8.1
Text Domain: u-boot-info
*/

:root {
    --ubo-bg: #06131b;
    --ubo-bg-soft: #0b1f2b;
    --ubo-panel: rgba(13, 38, 50, 0.72);
    --ubo-text: #edf4f5;
    --ubo-muted: #9db0b8;
    --ubo-line: rgba(170, 209, 220, 0.20);
    --ubo-accent: #73c7d4;
    --ubo-accent-soft: rgba(115, 199, 212, 0.13);
    --ubo-max: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
    background: var(--ubo-bg);
}

body {
    margin: 0;
    min-width: 320px;
    min-height: 100vh;
    background:
        radial-gradient(circle at 70% 18%, rgba(47, 113, 135, 0.20), transparent 32rem),
        linear-gradient(180deg, #071720 0%, #06131b 55%, #040d13 100%);
    color: var(--ubo-text);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
}

.ubo-site {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.ubo-site::before,
.ubo-site::after {
    content: "";
    position: absolute;
    inset: auto 0;
    height: 1px;
    background: var(--ubo-line);
    pointer-events: none;
}

.ubo-site::before {
    top: 21vh;
}

.ubo-site::after {
    bottom: 17vh;
}

.ubo-grid {
    position: absolute;
    inset: 0;
    opacity: 0.24;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(115, 199, 212, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(115, 199, 212, 0.055) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, transparent, black 18%, black 80%, transparent);
}

.ubo-shell {
    position: relative;
    z-index: 1;
    width: min(calc(100% - 40px), var(--ubo-max));
    min-height: 100vh;
    margin: 0 auto;
    display: grid;
    grid-template-rows: auto 1fr auto;
}

.ubo-header,
.ubo-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 0;
}

.ubo-brand {
    display: inline-flex;
    align-items: baseline;
    gap: 0;
    text-decoration: none;
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    font-weight: 760;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.ubo-brand-dot {
    color: var(--ubo-accent);
}

.ubo-status {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--ubo-muted);
    font-size: 0.83rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ubo-status::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ubo-accent);
    box-shadow: 0 0 0 6px var(--ubo-accent-soft);
}

.ubo-main {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    align-items: center;
    gap: clamp(44px, 8vw, 110px);
    padding: 70px 0 90px;
}

.ubo-kicker {
    margin: 0 0 18px;
    color: var(--ubo-accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.ubo-title {
    max-width: 760px;
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(3rem, 8vw, 6.9rem);
    font-weight: 500;
    line-height: 0.96;
    letter-spacing: -0.035em;
}

.ubo-title span {
    display: block;
    margin-top: 0.16em;
    color: var(--ubo-muted);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 0.18em;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}

.ubo-copy {
    max-width: 650px;
    margin: 28px 0 0;
    color: #c4d2d6;
    font-size: clamp(1rem, 1.7vw, 1.15rem);
}

.ubo-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 34px 0 0;
    padding: 0;
    list-style: none;
}

.ubo-topics li {
    border: 1px solid var(--ubo-line);
    border-radius: 999px;
    padding: 8px 13px;
    color: #b9c9ce;
    background: rgba(255,255,255,0.018);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
}

.ubo-visual {
    position: relative;
    min-height: 390px;
    display: grid;
    place-items: center;
    border: 1px solid var(--ubo-line);
    border-radius: 22px;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.008)),
        var(--ubo-panel);
    box-shadow: 0 34px 80px rgba(0,0,0,0.22);
    overflow: hidden;
}

.ubo-visual::before {
    content: "− 040 m";
    position: absolute;
    top: 26px;
    right: 28px;
    color: rgba(190, 218, 226, 0.48);
    font: 600 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    letter-spacing: 0.1em;
}

.ubo-visual::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    border-top: 1px dashed rgba(115, 199, 212, 0.23);
}

.ubo-blueprint {
    position: relative;
    z-index: 1;
    width: min(92%, 560px);
    height: auto;
    border: 1px solid rgba(143, 209, 220, 0.12);
    border-radius: 10px;
    box-shadow: 0 14px 28px rgba(0,0,0,.28);
    opacity: 0.95;
}

.ubo-coordinates {
    position: absolute;
    left: 26px;
    bottom: 22px;
    color: rgba(190, 218, 226, 0.42);
    font: 500 0.69rem/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    letter-spacing: 0.07em;
}

.ubo-footer {
    border-top: 1px solid var(--ubo-line);
    color: #8298a0;
    font-size: 0.78rem;
}

.ubo-footer p {
    margin: 0;
}

.ubo-footer-links {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.ubo-footer-links a {
    text-decoration: none;
    color: #b7c6cb;
}

.ubo-footer-links a:hover,
.ubo-footer-links a:focus-visible {
    color: var(--ubo-text);
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

@media (max-width: 860px) {
    .ubo-header {
        align-items: flex-start;
    }

    .ubo-main {
        grid-template-columns: 1fr;
        gap: 46px;
        padding-top: 44px;
    }

    .ubo-visual {
        min-height: 300px;
    }
}

@media (max-width: 560px) {
    .ubo-shell {
        width: min(calc(100% - 28px), var(--ubo-max));
    }

    .ubo-header,
    .ubo-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .ubo-main {
        padding: 30px 0 64px;
    }

    .ubo-title {
        font-size: clamp(3rem, 18vw, 5rem);
    }

    .ubo-visual {
        min-height: 240px;
        border-radius: 16px;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .ubo-blueprint {
        animation: ubo-drift 8s ease-in-out infinite alternate;
    }

    @keyframes ubo-drift {
        from { transform: translate3d(-4px, -2px, 0); }
        to   { transform: translate3d(7px, 5px, 0); }
    }
}