/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #000000;
    --neon: #ff4400;
    --accent: #ff6600;
    --neon-dim: rgba(255, 68, 0, 0.4);
    --text: #ffffff;
    --text-dim: #aaaaaa;
    --text-muted: #666666;
    --glass: rgba(5, 5, 5, 0.82);
    --glass-border: rgba(255, 68, 0, 0.12);
    --magenta: #ff00ff;
    --green: #00ff66;
    --red: #ff2244;
    --font-mono: 'Share Tech Mono', monospace;
    --font-body: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    overflow-x: hidden;
    min-height: 100vh;
}

/* === SCROLL PROGRESS BAR === */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 1000;
    background: rgba(255, 68, 0, 0.1);
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--neon);
    box-shadow: 0 0 10px var(--neon), 0 0 20px rgba(255, 68, 0, 0.3);
    transition: width 0.05s linear;
}

/* === HUD CORNERS === */
.hud-corner {
    position: fixed;
    width: 30px;
    height: 30px;
    z-index: 100;
    pointer-events: none;
}

.hud-tl {
    top: 12px; left: 12px;
    border-top: 2px solid var(--neon);
    border-left: 2px solid var(--neon);
}
.hud-tr {
    top: 12px; right: 12px;
    border-top: 2px solid var(--neon);
    border-right: 2px solid var(--neon);
}
.hud-bl {
    bottom: 12px; left: 12px;
    border-bottom: 2px solid var(--neon);
    border-left: 2px solid var(--neon);
}
.hud-br {
    bottom: 12px; right: 12px;
    border-bottom: 2px solid var(--neon);
    border-right: 2px solid var(--neon);
}

/* === HUD STATUS READOUTS === */
.hud-status {
    position: fixed;
    bottom: 20px;
    z-index: 100;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    pointer-events: none;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.hud-status-left { left: 50px; }
.hud-status-right { right: 50px; }

.hud-label {
    color: var(--text-muted);
}

.hud-value {
    color: var(--green);
}

.hud-value.threat-critical {
    color: var(--red);
    animation: hud-blink 1.5s step-end infinite;
}

@keyframes hud-blink {
    0%, 70% { opacity: 1; }
    71%, 100% { opacity: 0.3; }
}

/* === 3D SCENE CONTAINER === */
#scene-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#scene-container canvas {
    display: block;
}

/* Plasma shader overlay */
#shader-wrap {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.35;
    mix-blend-mode: screen;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

#ascii-rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Disable plasma overlay on mobile — too heavy + scroll issues */
@media (max-width: 768px) {
    #shader-wrap { display: none; }
}

/* Subtle scanlines over scene only */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.04) 0px,
        rgba(0, 0, 0, 0.04) 1px,
        transparent 1px,
        transparent 3px
    );
    pointer-events: none;
    animation: scanline-drift 10s linear infinite;
}

@keyframes scanline-drift {
    0% { transform: translateY(0); }
    100% { transform: translateY(6px); }
}

/* === MAIN CONTENT === */
main {
    position: relative;
    z-index: 2;
}

/* === HERO === */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
    position: relative;
}

.hero-content {
    position: relative;
}

.hero-logo {
    width: clamp(60px, 8vw, 100px);
    height: auto;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    animation: fadeIn 1s ease 0s both;
}

.classification {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--red);
    margin-bottom: 2rem;
    opacity: 0.8;
    animation: fadeIn 1s ease 0.1s both;
}

.hero h1 {
    font-family: var(--font-mono);
    font-size: clamp(2.2rem, 6vw, 5.5rem);
    letter-spacing: 0.12em;
    color: var(--text);
    position: relative;
    text-shadow:
        0 0 30px rgba(255, 68, 0, 0.4),
        0 0 60px rgba(255, 68, 0, 0.1);
}

.hero-divider {
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon), transparent);
    margin: 1.5rem auto;
    animation: fadeIn 1s ease 0.5s both;
}

/* Glitch effect */
.glitch-text {
    position: relative;
    display: inline-block;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
}

.glitch-text.active::before {
    color: var(--neon);
    animation: glitch-1 5s infinite linear alternate-reverse;
    clip-path: inset(0 0 65% 0);
}

.glitch-text.active::after {
    color: var(--magenta);
    animation: glitch-2 5s infinite linear alternate-reverse;
    clip-path: inset(35% 0 0 0);
}

@keyframes glitch-1 {
    0%, 94% { opacity: 0; transform: translate(0); }
    94.5% { opacity: 0.7; transform: translate(-4px, -2px); }
    95% { opacity: 0; transform: translate(0); }
    95.5% { opacity: 0.5; transform: translate(4px, 1px); }
    96% { opacity: 0; }
    100% { opacity: 0; }
}

@keyframes glitch-2 {
    0%, 91% { opacity: 0; transform: translate(0); }
    91.5% { opacity: 0.7; transform: translate(3px, 2px); }
    92% { opacity: 0; transform: translate(0); }
    92.5% { opacity: 0.5; transform: translate(-3px, -1px); }
    93% { opacity: 0; }
    100% { opacity: 0; }
}

/* Typewriter */
.typewriter, .typewriter-cmd {
    font-family: var(--font-mono);
    font-size: clamp(0.95rem, 2.2vw, 1.4rem);
    color: var(--text-dim);
    margin-top: 1rem;
    min-height: 1.5em;
    display: inline-block;
}

.hero .typewriter {
    background: rgba(0, 0, 0, 0.55);
    padding: 0.4rem 0.8rem;
    border-left: 2px solid var(--neon);
}

.typewriter::after, .typewriter-cmd::after {
    content: '|';
    color: var(--neon);
    animation: blink-cursor 0.7s step-end infinite;
    margin-left: 2px;
}

.typewriter.done::after, .typewriter-cmd.done::after {
    animation: blink-cursor 0.7s step-end infinite;
}

@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* CTA Button */
.cta-button {
    display: inline-block;
    margin-top: 2.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border: 1px solid rgba(255, 68, 0, 0.4);
    background: rgba(255, 68, 0, 0.06);
    position: relative;
    transition: all 0.3s ease;
    animation: fadeIn 1s ease 3s both, pulse-glow 4s ease-in-out 4s infinite;
}

.cta-bracket {
    color: var(--neon);
    font-weight: bold;
}

.cta-button:hover {
    background: rgba(255, 68, 0, 0.15);
    border-color: var(--neon);
    box-shadow: 0 0 25px rgba(255, 68, 0, 0.3), inset 0 0 25px rgba(255, 68, 0, 0.05);
    transform: translateY(-2px);
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 8px rgba(255, 68, 0, 0.15); }
    50% { box-shadow: 0 0 20px rgba(255, 68, 0, 0.3), 0 0 40px rgba(255, 68, 0, 0.08); }
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    animation: fadeIn 1s ease 4s both;
}

.scroll-arrow {
    width: 12px;
    height: 12px;
    border-right: 1px solid var(--text-muted);
    border-bottom: 1px solid var(--text-muted);
    transform: rotate(45deg);
    animation: bounce-arrow 2s ease-in-out infinite;
}

@keyframes bounce-arrow {
    0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.5; }
    50% { transform: rotate(45deg) translateY(6px); opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === SERVICES === */
.services {
    padding: 8rem 2rem 6rem;
    text-align: center;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.section-line {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-dim));
}

.section-header .section-line:last-child {
    background: linear-gradient(90deg, var(--neon-dim), transparent);
}

.section-title {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 4vw, 2.8rem);
    letter-spacing: 0.12em;
    text-shadow: 0 0 20px rgba(255, 68, 0, 0.25);
}

.section-classification {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.25em;
    color: var(--text-muted);
    margin-bottom: 4rem;
    margin-top: 0.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.service-card {
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 2rem 1.8rem;
    text-align: left;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

/* Top accent line */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon), transparent);
    opacity: 0.3;
    transition: opacity 0.4s ease;
}

/* Side scan line animation */
.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: card-scan 3s ease-in-out infinite;
}

@keyframes card-scan {
    0% { top: 0; }
    50% { top: 100%; }
    100% { top: 0; }
}

.service-card:hover {
    border-color: rgba(255, 68, 0, 0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 68, 0, 0.08);
}

.service-card:hover::before { opacity: 0.7; }
.service-card:hover::after { opacity: 0.3; }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
}

.card-index {
    color: var(--neon);
    font-size: 0.75rem;
}

.card-status {
    color: var(--green);
    position: relative;
    padding-left: 12px;
}

.card-status::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
}

.service-card h3 {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    color: var(--text);
    margin-bottom: 0.75rem;
    letter-spacing: 0.04em;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.65;
    margin-bottom: 1.2rem;
}

.card-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 0.8rem;
}

.card-tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(25px);
    transition: all 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0s; }
.service-card:nth-child(2) { transition-delay: 0.12s; }
.service-card:nth-child(3) { transition-delay: 0.24s; }
.service-card:nth-child(4) { transition-delay: 0.36s; }
.service-card:nth-child(5) { transition-delay: 0.48s; }
.service-card:nth-child(6) { transition-delay: 0.60s; }

/* === CONTACT === */
.contact {
    padding: 6rem 2rem 8rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
}

.contact-panel {
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 3.5rem 3rem;
    text-align: center;
    max-width: 650px;
    width: 100%;
    position: relative;
}

/* Corner brackets on contact panel */
.pc {
    position: absolute;
    width: 16px;
    height: 16px;
    pointer-events: none;
}
.pc-tl { top: -1px; left: -1px; border-top: 2px solid var(--neon); border-left: 2px solid var(--neon); }
.pc-tr { top: -1px; right: -1px; border-top: 2px solid var(--neon); border-right: 2px solid var(--neon); }
.pc-bl { bottom: -1px; left: -1px; border-bottom: 2px solid var(--neon); border-left: 2px solid var(--neon); }
.pc-br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--neon); border-right: 2px solid var(--neon); }

.contact-panel h2 {
    font-family: var(--font-mono);
    font-size: clamp(1.1rem, 2.8vw, 1.6rem);
    letter-spacing: 0.06em;
    margin-bottom: 2rem;
}

.terminal-block {
    text-align: left;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 2px solid var(--neon);
    padding: 1.2rem 1.5rem;
    margin-bottom: 2rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.terminal-line {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.terminal-line:last-child { margin-bottom: 0; }

.prompt {
    color: var(--green);
}

.cmd {
    color: var(--text-dim);
    margin-left: 0.5rem;
}

.terminal-response {
    opacity: 0;
    animation: fadeIn 0.5s ease 6s both;
}

.response-text {
    color: var(--neon);
}

.contact-email {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: all 0.3s ease;
    display: inline-block;
}

.email-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 0.5rem;
}

.contact-email:hover {
    color: var(--neon);
    text-shadow: 0 0 15px rgba(255, 68, 0, 0.4);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .hero { padding: 1.5rem; }
    .hero h1 { letter-spacing: 0.06em; }
    .hero-logo { width: clamp(45px, 12vw, 70px); margin-bottom: 1rem; }
    /* Disable CSS glitch pseudo-elements on mobile — JS scramble is enough */
    .glitch-text::before,
    .glitch-text::after { display: none !important; }
    .hero-divider { width: 80px; }
    .services { padding: 5rem 1rem 4rem; }
    .services-grid { grid-template-columns: 1fr; gap: 1rem; }
    .service-card { padding: 1.5rem 1.4rem; }
    .contact-panel { padding: 2rem 1.5rem; }
    .hud-status { display: none; }
    .hud-corner { width: 20px; height: 20px; }
    .section-header { gap: 1rem; }
    .section-line { width: 30px; }
    .terminal-block { font-size: 0.7rem; overflow-x: auto; padding: 1rem; }
    .terminal-block .prompt { display: block; margin-bottom: 0.3rem; }
    .terminal-block .cmd { margin-left: 0; }
    .cta-button { padding: 0.8rem 1.5rem; font-size: 0.9rem; }
    .scroll-indicator { bottom: 2rem; }
}

@media (max-width: 480px) {
    .hero h1 { letter-spacing: 0.03em; }
    .classification { font-size: 0.55rem; letter-spacing: 0.15em; }
    .section-classification { font-size: 0.5rem; }
    .section-title { letter-spacing: 0.06em; }
    .contact-panel h2 { font-size: 1rem; }
    .contact-email { font-size: 0.85rem; }
}