/* ===== VARIABLES ===== */
:root {
    --bg: #0a0a0f;
    --bg-alt: #0f0f16;
    --text: #e4e4e7;
    --text-dim: #71717a;
    --accent: #00d4ff;
    --accent-alt: #dc2626;
    --font: 'Fira Code', monospace;
}

/* Light Mode */
[data-theme="light"] {
    --bg: #f8fafc;
    --bg-alt: #e2e8f0;
    --text: #0f172a;
    --text-dim: #64748b;
    --accent: #0891b2;
    --accent-alt: #b91c1c;
}

[data-theme="light"] .nav {
    background: rgba(248, 250, 252, 0.9);
    border-bottom-color: rgba(0,0,0,0.05);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea {
    background: #fff;
    border-color: rgba(0,0,0,0.1);
}

[data-theme="light"] .btn {
    border-color: var(--accent);
}

[data-theme="light"] .section-number {
    color: rgba(0,0,0,0.03);
}

[data-theme="light"] .hero-image img {
    filter: drop-shadow(0 0 20px rgba(0, 0, 0, 0.1));
}

/* ===== LINE NUMBERS ===== */
.line-numbers {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 50px;
    padding: 1rem 0;
    background: var(--bg);
    border-right: 1px solid rgba(255,255,255,0.05);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding-right: 12px;
    z-index: 50;
    overflow: hidden;
}

.line-numbers span {
    font-family: var(--font);
    font-size: 0.75rem;
    line-height: 1.7;
    color: var(--text-dim);
    opacity: 0.4;
    user-select: none;
}

[data-theme="light"] .line-numbers {
    border-right-color: rgba(0,0,0,0.05);
}

/* ===== RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.7;
    background: var(--bg);
    color: var(--text);
    padding-left: 50px;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-alt);
}

/* ===== NAV ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text);
}

.nav-logo:hover {
    color: var(--accent);
}

.blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    font-size: 0.9rem;
    position: relative;
    display: inline-block;
}

.nav-links a:hover {
    color: var(--accent);
    animation: glitch-text 0.3s ease;
}

.nav-links a::before,
.nav-links a::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.nav-links a:hover::before {
    color: var(--accent);
    animation: glitch-1 0.3s ease;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.nav-links a:hover::after {
    color: var(--accent-alt);
    animation: glitch-2 0.3s ease;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch-text {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 1px); }
    40% { transform: translate(2px, -1px); }
    60% { transform: translate(-1px, -1px); }
    80% { transform: translate(1px, 1px); }
}

@keyframes glitch-1 {
    0% { opacity: 0; transform: translate(0); }
    20% { opacity: 0.8; transform: translate(-3px, 0); }
    40% { opacity: 0.8; transform: translate(3px, 0); }
    60% { opacity: 0.8; transform: translate(-2px, 0); }
    80% { opacity: 0.8; transform: translate(2px, 0); }
    100% { opacity: 0; transform: translate(0); }
}

@keyframes glitch-2 {
    0% { opacity: 0; transform: translate(0); }
    20% { opacity: 0.8; transform: translate(3px, 0); }
    40% { opacity: 0.8; transform: translate(-3px, 0); }
    60% { opacity: 0.8; transform: translate(2px, 0); }
    80% { opacity: 0.8; transform: translate(-2px, 0); }
    100% { opacity: 0; transform: translate(0); }
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-dim);
    transition: all 0.2s;
}

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

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .icon-moon {
    display: none;
}

[data-theme="light"] .theme-toggle {
    border-color: rgba(0,0,0,0.1);
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: block;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    padding: 8rem 4rem 4rem;
}

.hero-content {
    max-width: 600px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    flex-direction: column;
}

/* Bug rain effect */
.bug-rain {
    position: absolute;
    top: 85%;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    max-width: 80%;
    height: 150px;
    overflow: hidden;
    pointer-events: none;
    z-index: -1;
}

.bug-drop {
    position: absolute;
    font-size: 0.9rem;
    color: #666;
    opacity: 0;
    animation: bugFall linear forwards;
    filter: grayscale(100%);
}

@keyframes bugFall {
    0% {
        opacity: 0.5;
        transform: translateY(0);
    }
    60% {
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: translateY(150px);
    }
}

.hero-image img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.2));
    animation: float 6s ease-in-out infinite;
}

/* Dark/Light image swap */
.hero-image .img-light {
    display: none;
}

.hero-image .img-dark {
    display: block;
}

[data-theme="light"] .hero-image .img-dark {
    display: none;
}

[data-theme="light"] .hero-image .img-light {
    display: block;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-tag {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.bracket {
    color: var(--text-dim);
}

.title-text {
    background: linear-gradient(90deg, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-text.scrambling {
    background: none;
    -webkit-text-fill-color: var(--text-dim);
    color: var(--text-dim);
}

.title-text.color-sweep {
    background: linear-gradient(90deg, 
        var(--accent) 0%, 
        var(--accent-alt) 33%, 
        var(--accent-alt) 100%);
    background-size: 300% 100%;
    background-position: 100% 0;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: colorSweep 1.2s ease-out forwards;
}

@keyframes colorSweep {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: 0% 0;
    }
}

[data-theme="light"] .title-text.scrambling {
    -webkit-text-fill-color: #9ca3af;
    color: #9ca3af;
}

.hero-desc {
    color: var(--text-dim);
    font-size: 1rem;
    max-width: 500px;
    margin-bottom: 2.5rem;
}

/* ===== BUTTON ===== */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: var(--font);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background: var(--accent);
    color: var(--bg);
}

/* Glitch hover effect for buttons */
.btn.glitch-hover {
    position: relative;
    overflow: visible;
}

.btn.glitch-hover::before,
.btn.glitch-hover::after {
    content: attr(data-text);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
}

.btn.glitch-hover:hover {
    animation: glitch-text 0.4s ease;
}

.btn.glitch-hover:hover::before {
    color: var(--accent);
    animation: glitch-btn-1 0.4s ease;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.btn.glitch-hover:hover::after {
    color: var(--accent-alt);
    animation: glitch-btn-2 0.4s ease;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch-btn-1 {
    0% { opacity: 0; transform: translate(-50%, -50%); }
    20% { opacity: 0.8; transform: translate(calc(-50% - 4px), -50%); }
    40% { opacity: 0.8; transform: translate(calc(-50% + 4px), -50%); }
    60% { opacity: 0.8; transform: translate(calc(-50% - 2px), -50%); }
    80% { opacity: 0.8; transform: translate(calc(-50% + 2px), -50%); }
    100% { opacity: 0; transform: translate(-50%, -50%); }
}

@keyframes glitch-btn-2 {
    0% { opacity: 0; transform: translate(-50%, -50%); }
    20% { opacity: 0.8; transform: translate(calc(-50% + 4px), -50%); }
    40% { opacity: 0.8; transform: translate(calc(-50% - 4px), -50%); }
    60% { opacity: 0.8; transform: translate(calc(-50% + 2px), -50%); }
    80% { opacity: 0.8; transform: translate(calc(-50% - 2px), -50%); }
    100% { opacity: 0; transform: translate(-50%, -50%); }
}

/* ===== SECTIONS ===== */
.section {
    padding: 6rem 4rem;
}

.section-alt {
    background: var(--bg-alt);
}

.section-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    position: relative;
}

.section-number {
    display: block;
    font-size: 4rem;
    font-weight: 600;
    color: rgba(255,255,255,0.03);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.section-header h2 {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--accent);
}

.section-content .lead {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.byte-toggle {
    display: inline-block;
    color: inherit;
}

.section-content p {
    color: var(--text-dim);
    margin-bottom: 1rem;
}

/* ===== STATS ===== */
.stats {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 500;
    color: var(--text);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ===== SERVICES ===== */
.services-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 1rem;
}

.service-item h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.service-item p {
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* ===== APPROACH ===== */
.approach-list {
    margin-top: 1rem;
}

.approach-item {
    display: flex;
    gap: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.approach-item:last-child {
    border-bottom: none;
}

.approach-num {
    font-size: 0.9rem;
    color: var(--accent);
    flex-shrink: 0;
}

.approach-item h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.3rem;
}

.approach-item p {
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* ===== CONTACT ===== */
.contact-form {
    margin-top: 1rem;
}

/* Honeypot - hide from humans */
.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.contact-info {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.contact-info a {
    color: var(--text-dim);
}

.contact-info a:hover {
    color: var(--accent);
}

.signal-contact {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.signal-qr {
    width: 70px;
    height: 70px;
    border-radius: 4px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.signal-qr:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

[data-theme="light"] .signal-qr {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* ===== FOOTER ===== */
.footer {
    padding: 3rem 4rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
}

.conway-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

[data-theme="light"] .conway-canvas {
    opacity: 0.25;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer .nav-logo {
    display: inline-block;
    margin-bottom: 0.5rem;
}

.footer p {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.copyright {
    margin-top: 1rem;
    font-size: 0.75rem !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 2;
        max-width: 100%;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-image img {
        max-height: 300px;
    }
    
    .section-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .line-numbers {
        display: none;
    }
    
    body {
        padding-left: 0;
    }
    
    .nav {
        padding: 1rem 2rem;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: var(--bg);
        transition: right 0.3s;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 101;
    }
    
    .hero,
    .section {
        padding: 5rem 2rem;
    }
    
    .hero {
        padding-top: 7rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats {
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* ===== ANIMATIONS ===== */
.section-header,
.section-content,
.service-item,
.approach-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-header.visible,
.section-content.visible,
.service-item.visible,
.approach-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== CHAT WIDGET ===== */
.chat-widget {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    font-family: 'Fira Code', monospace;
}

.chat-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.chat-toggle:hover {
    transform: scale(1.05);
    border-color: var(--accent-alt);
    color: var(--accent-alt);
}

.chat-toggle-icon {
    width: 22px;
    height: 22px;
}

.chat-widget.open .chat-toggle {
    border-color: var(--accent-alt);
    color: var(--accent-alt);
}


.chat-window {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 360px;
    max-width: calc(100vw - 2rem);
    height: 450px;
    max-height: calc(100vh - 6rem);
    background: var(--bg);
    border: 1px solid var(--accent-alt);
    border-radius: 8px;
    display: none;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.chat-widget.open .chat-window {
    display: flex;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.chat-title {
    color: var(--accent-alt);
    font-size: 0.85rem;
}

.chat-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.chat-close:hover {
    color: var(--accent-alt);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-message {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text);
}

.chat-message.system {
    color: var(--text-dim);
}

.chat-message.user {
    color: var(--accent-alt);
}

.chat-prompt {
    color: var(--accent-alt);
    margin-right: 0.5rem;
}

.chat-input-form {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border-top: 1px solid rgba(255,255,255,0.1);
    gap: 0.5rem;
}

.chat-input-form .chat-prompt {
    margin-right: 0;
}

#chat-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
}

#chat-input::placeholder {
    color: var(--text-dim);
    opacity: 0.5;
}

.chat-send {
    background: none;
    border: none;
    color: var(--accent-alt);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.25rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.chat-send:hover {
    opacity: 1;
}

[data-theme="light"] .chat-widget .chat-window {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .chat-toggle {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Typing indicator */
.typing-dots {
    display: inline-block;
    animation: typingPulse 1s infinite;
}

@keyframes typingPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

#chat-input:disabled {
    opacity: 0.5;
}