:root {
    --background: #05090d;
    --panel: rgba(10, 23, 31, 0.88);
    --panel-light: rgba(18, 39, 50, 0.92);
    --border: rgba(91, 220, 255, 0.34);
    --cyan: #5bdcff;
    --cyan-soft: rgba(91, 220, 255, 0.16);
    --green: #79ffb0;
    --amber: #ffc96b;
    --red: #ff7b7b;
    --text: #e7f9ff;
    --muted: #89a7b3;
    --shadow: 0 0 28px rgba(91, 220, 255, 0.14);
    --font-main: "Segoe UI", Arial, sans-serif;
    --font-mono: "Cascadia Code", "Consolas", monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    background:
        radial-gradient(
            circle at top center,
            rgba(27, 83, 105, 0.25),
            transparent 38%
        ),
        linear-gradient(
            180deg,
            #071019 0%,
            var(--background) 52%,
            #020507 100%
        );
    color: var(--text);
    font-family: var(--font-main);
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -2;
    content: "";
    background-image:
        linear-gradient(
            rgba(91, 220, 255, 0.035) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(91, 220, 255, 0.035) 1px,
            transparent 1px
        );
    background-size: 36px 36px;
    mask-image:
        linear-gradient(
            to bottom,
            rgba(0, 0, 0, 1),
            transparent 95%
        );
}

body::after {
    position: fixed;
    inset: 0;
    z-index: 999;
    pointer-events: none;
    content: "";
    opacity: 0.16;
    background:
        repeating-linear-gradient(
            to bottom,
            transparent 0,
            transparent 3px,
            rgba(255, 255, 255, 0.03) 4px
        );
}

button,
a {
    font: inherit;
}

.page-shell {
    width: min(1400px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 50px;
}

.top-bar {
    position: relative;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 13px 18px;
    border: 1px solid var(--border);
    background: rgba(4, 13, 19, 0.88);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.system-label {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.system-label span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pulse-dot {
    width: 9px;
    height: 9px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 10px var(--green);
    animation: pulse 1.8s infinite;
}

.clock {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.hero {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 24px;
    padding: 70px 0 34px;
}

.hero-copy {
    align-self: center;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

h1 {
    max-width: 820px;
    margin: 0;
    font-size: clamp(3.2rem, 9vw, 7.5rem);
    font-weight: 800;
    letter-spacing: -0.07em;
    line-height: 0.86;
    text-transform: uppercase;
    text-shadow: 0 0 26px rgba(91, 220, 255, 0.2);
}

.hero-copy h1 span {
    display: block;
    color: transparent;
    -webkit-text-stroke: 1px var(--cyan);
    text-shadow: none;
}

.hero-description {
    max-width: 700px;
    margin: 28px 0 0;
    color: #b6d1da;
    font-size: clamp(1rem, 2vw, 1.18rem);
    line-height: 1.75;
}

.hero-panel {
    position: relative;
    min-height: 340px;
    overflow: hidden;
    border: 1px solid var(--border);
    background:
        linear-gradient(
            150deg,
            rgba(28, 69, 85, 0.45),
            rgba(5, 15, 21, 0.94)
        );
    box-shadow: var(--shadow);
}

.hero-panel::before {
    position: absolute;
    top: -70px;
    right: -70px;
    width: 260px;
    height: 260px;
    border: 1px solid rgba(91, 220, 255, 0.32);
    border-radius: 50%;
    content: "";
    box-shadow:
        0 0 0 32px rgba(91, 220, 255, 0.035),
        0 0 0 70px rgba(91, 220, 255, 0.025);
    animation: rotate 16s linear infinite;
}

.hero-panel-content {
    position: relative;
    z-index: 1;
    display: flex;
    min-height: 340px;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
}

.hero-panel-label {
    margin-bottom: auto;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hero-stat {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 13px 0;
    border-bottom: 1px solid rgba(91, 220, 255, 0.14);
    font-family: var(--font-mono);
    font-size: 0.86rem;
}

.hero-stat:last-child {
    border-bottom: 0;
}

.hero-stat span:first-child {
    color: var(--muted);
}

.hero-stat span:last-child {
    color: var(--green);
}

.control-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
    gap: 24px;
    align-items: start;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.section-heading h2 {
    margin: 0;
    font-size: 1rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.section-heading span {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.74rem;
}

.project-grid {
    display: grid;
    gap: 12px;
}

.project-card {
    position: relative;
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    width: 100%;
    padding: 20px;
    overflow: hidden;
    border: 1px solid rgba(91, 220, 255, 0.2);
    background: rgba(7, 19, 26, 0.86);
    color: inherit;
    cursor: pointer;
    text-align: left;
    transition:
        transform 180ms ease,
        border-color 180ms ease,
        background 180ms ease,
        box-shadow 180ms ease;
}

.project-card::after {
    position: absolute;
    inset: 0;
    pointer-events: none;
    content: "";
    opacity: 0;
    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(91, 220, 255, 0.08),
            transparent
        );
    transform: translateX(-100%);
}

.project-card:hover,
.project-card:focus-visible,
.project-card.active {
    border-color: var(--cyan);
    outline: none;
    background: var(--panel-light);
    box-shadow: var(--shadow);
    transform: translateX(5px);
}

.project-card:hover::after,
.project-card.active::after {
    opacity: 1;
    animation: sweep 1.2s ease;
}

.project-number {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border: 1px solid rgba(91, 220, 255, 0.42);
    background: rgba(91, 220, 255, 0.08);
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.project-title {
    margin: 0;
    font-size: 1.08rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-summary {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.project-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.project-status::before {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    content: "";
    box-shadow: 0 0 8px currentColor;
}

.project-status.development {
    color: var(--amber);
}

.detail-panel {
    position: sticky;
    top: 20px;
    min-height: 520px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--panel);
    box-shadow: var(--shadow);
}

.detail-panel-header {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(91, 220, 255, 0.18);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.detail-content {
    display: flex;
    min-height: 468px;
    flex-direction: column;
    padding: 28px;
}

.detail-code {
    margin: 0 0 22px;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.14em;
}

.detail-title {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1;
    text-transform: uppercase;
}

.detail-description {
    margin: 20px 0;
    color: #b7ced7;
    line-height: 1.75;
}

.detail-meta {
    display: grid;
    gap: 0;
    margin-top: 8px;
    border-top: 1px solid rgba(91, 220, 255, 0.14);
}

.meta-row {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 10px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(91, 220, 255, 0.14);
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.meta-row span:first-child {
    color: var(--muted);
}

.meta-row span:last-child {
    color: var(--text);
}

.launch-button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    width: 100%;
    margin-top: auto;
    padding: 16px 18px;
    border: 1px solid var(--cyan);
    background: var(--cyan-soft);
    color: var(--text);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-decoration: none;
    text-transform: uppercase;
    transition:
        background 180ms ease,
        color 180ms ease,
        box-shadow 180ms ease;
}

.launch-button:hover,
.launch-button:focus-visible {
    outline: none;
    background: var(--cyan);
    color: #001219;
    box-shadow: 0 0 24px rgba(91, 220, 255, 0.38);
}

.keyboard-help {
    margin-top: 20px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-align: center;
}

.keyboard-help kbd {
    display: inline-block;
    min-width: 26px;
    margin: 0 3px;
    padding: 3px 7px;
    border: 1px solid rgba(91, 220, 255, 0.3);
    background: rgba(91, 220, 255, 0.08);
    color: var(--cyan);
    font-family: inherit;
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(91, 220, 255, 0.14);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.launch-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 20px;
    visibility: hidden;
    background: rgba(1, 6, 9, 0.94);
    opacity: 0;
    transition:
        opacity 250ms ease,
        visibility 250ms ease;
}

.launch-overlay.visible {
    visibility: visible;
    opacity: 1;
}

.launch-box {
    width: min(600px, 100%);
    padding: 32px;
    border: 1px solid var(--cyan);
    background: #07131a;
    box-shadow: 0 0 60px rgba(91, 220, 255, 0.2);
    font-family: var(--font-mono);
}

.launch-box h2 {
    margin: 0 0 24px;
    color: var(--cyan);
    font-size: 1rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.terminal-line {
    min-height: 1.5em;
    margin: 8px 0;
    color: #bfe6ef;
    font-size: 0.86rem;
}

.terminal-line.success {
    color: var(--green);
}

.progress-track {
    height: 8px;
    margin-top: 24px;
    overflow: hidden;
    border: 1px solid rgba(91, 220, 255, 0.28);
    background: rgba(91, 220, 255, 0.05);
}

.progress-bar {
    width: 0;
    height: 100%;
    background: var(--cyan);
    box-shadow: 0 0 14px var(--cyan);
    transition: width 150ms linear;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.72);
    }
}

@keyframes rotate {
    to {
        transform: rotate(360deg);
    }
}

@keyframes sweep {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(100%);
    }
}

@media (max-width: 950px) {
    .hero,
    .control-layout {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 48px;
    }

    .hero-panel {
        min-height: 260px;
    }

    .hero-panel-content {
        min-height: 260px;
    }

    .detail-panel {
        position: relative;
        top: 0;
        min-height: 0;
    }

    .detail-content {
        min-height: 440px;
    }
}

@media (max-width: 650px) {
    .page-shell {
        width: min(100% - 20px, 1400px);
        padding-top: 10px;
    }

    .top-bar {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero {
        padding-top: 38px;
    }

    h1 {
        font-size: clamp(3rem, 18vw, 5rem);
    }

    .project-card {
        grid-template-columns: 48px minmax(0, 1fr);
        padding: 16px;
    }

    .project-number {
        width: 42px;
        height: 42px;
    }

    .project-status {
        grid-column: 2;
        justify-self: start;
    }

    .detail-content {
        min-height: 420px;
        padding: 22px;
    }

    .footer {
        flex-direction: column;
    }

    .keyboard-help {
        display: none;
    }
}

@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;
    }
}