@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;700&family=IBM+Plex+Mono:wght@300;400;500&family=Inter:wght@300;400;500&display=swap');

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --dark-deep: #0B1D2C;
    --dark-mid: #1B3A4B;
    --teal: #00F5D4;
    --light-wash: #E8F4F8;
    --steel: #2D5F7A;
    --alert-red: #FF6B6B;
    --muted-steel: #6B8A9E;
}

body {
    background-color: var(--dark-deep);
    color: var(--light-wash);
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
}

.perspective-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.04;
    background:
        repeating-linear-gradient(0deg, transparent, transparent 59px, var(--muted-steel) 59px, var(--muted-steel) 60px),
        repeating-linear-gradient(90deg, transparent, transparent 59px, var(--muted-steel) 59px, var(--muted-steel) 60px);
    perspective: 600px;
    transform: rotateX(30deg);
    transform-origin: center 120%;
}

.hud-frame {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 50;
    pointer-events: none;
}

.hud-bracket {
    position: absolute;
    width: 30px;
    height: 30px;
}

.hud-bracket-tl {
    top: 12px;
    left: 12px;
    border-top: 2px solid var(--teal);
    border-left: 2px solid var(--teal);
    opacity: 0;
    animation: bracketIn 0.8s ease-out 0.3s forwards;
}

.hud-bracket-tr {
    top: 12px;
    right: 12px;
    border-top: 2px solid var(--teal);
    border-right: 2px solid var(--teal);
    opacity: 0;
    animation: bracketIn 0.8s ease-out 0.5s forwards;
}

.hud-bracket-bl {
    bottom: 12px;
    left: 12px;
    border-bottom: 2px solid var(--teal);
    border-left: 2px solid var(--teal);
    opacity: 0;
    animation: bracketIn 0.8s ease-out 0.7s forwards;
}

.hud-bracket-br {
    bottom: 12px;
    right: 12px;
    border-bottom: 2px solid var(--teal);
    border-right: 2px solid var(--teal);
    opacity: 0;
    animation: bracketIn 0.8s ease-out 0.9s forwards;
}

@keyframes bracketIn {
    to { opacity: 0.6; }
}

.hud-status-bar {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.6rem;
    color: var(--muted-steel);
    letter-spacing: 0.15em;
    overflow: hidden;
    max-width: 400px;
    white-space: nowrap;
    opacity: 0.5;
}

.command-interface {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.data-panel {
    margin-bottom: 4rem;
    background: rgba(27, 58, 75, 0.15);
    border: 1px solid rgba(0, 245, 212, 0.08);
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.data-panel.visible {
    opacity: 1;
    transform: translateY(0);
}

.boot-panel {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: transparent;
    border: none;
    opacity: 1;
    transform: none;
}

.panel-chrome {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.8rem 1.2rem;
    border-bottom: 1px solid rgba(0, 245, 212, 0.06);
    background: rgba(11, 29, 44, 0.6);
}

.chrome-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--muted-steel);
    opacity: 0.4;
}

.panel-label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    color: var(--teal);
    margin-left: 0.5rem;
}

.panel-content {
    padding: 2rem;
}

.panel-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    color: var(--light-wash);
    margin-bottom: 1.5rem;
}

.panel-text {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.95rem;
    line-height: 1.9;
    color: rgba(232, 244, 248, 0.65);
    margin-bottom: 2rem;
}

.boot-content {
    text-align: left;
    margin-bottom: 3rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    color: var(--teal);
    opacity: 0.7;
}

.boot-line {
    padding: 0.2rem 0;
    opacity: 0;
    animation: bootLineIn 0.5s ease-out forwards;
}

.boot-line:nth-child(1) { animation-delay: 0.3s; }
.boot-line:nth-child(2) { animation-delay: 0.8s; }
.boot-line:nth-child(3) { animation-delay: 1.3s; }

@keyframes bootLineIn {
    to { opacity: 0.7; }
}

.domain-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 5vw, 4rem);
    letter-spacing: 0.08em;
    color: var(--light-wash);
    text-shadow: 0 0 40px rgba(0, 245, 212, 0.2);
    opacity: 0;
    animation: titleIn 1s ease-out 1.8s forwards;
}

.domain-subtitle {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 400;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--teal);
    margin-top: 1rem;
    opacity: 0;
    animation: titleIn 1s ease-out 2.3s forwards;
}

@keyframes titleIn {
    to { opacity: 1; }
}

.routing-diagram {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    display: block;
}

.node-dot {
    animation: nodePulse 3s ease-in-out infinite;
}

.route-line {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: routeDraw 2s ease-out 0.5s forwards;
}

@keyframes routeDraw {
    to { stroke-dashoffset: 0; }
}

@keyframes nodePulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.encrypt-visual {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.encrypt-block {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
}

.plain-text {
    color: var(--alert-red);
    opacity: 0.7;
}

.arrow-icon {
    color: var(--muted-steel);
}

.cipher-text {
    color: var(--teal);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

.stat-block {
    text-align: center;
    padding: 1.5rem 1rem;
    border: 1px solid rgba(0, 245, 212, 0.08);
}

.stat-value {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--teal);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 400;
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    color: var(--muted-steel);
}

.command-footer {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 4rem 2rem;
    border-top: 1px solid rgba(0, 245, 212, 0.05);
}

.footer-label {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 300;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: rgba(107, 138, 158, 0.3);
}

@media (max-width: 600px) {
    .stats-grid { grid-template-columns: 1fr; }
}