/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;700&display=swap');

:root {
    /* Color Palette */
    --bg-main: #030305;
    --bg-secondary: #0a0a12;
    --primary: #00f3ff;
    --primary-dim: rgba(0, 243, 255, 0.1);
    --secondary: #bc13fe;
    --secondary-dim: rgba(188, 19, 254, 0.1);
    --accent: #22c55e;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    
    /* Dimensions */
    --nav-height: 80px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Background Effects */
.ambient-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--secondary-dim) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    z-index: -1;
    pointer-events: none;
    animation: pulseGlow 10s infinite alternate;
}

.ambient-glow-2 {
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-dim) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    z-index: -1;
    pointer-events: none;
    animation: pulseGlow 8s infinite alternate-reverse;
}

@keyframes pulseGlow {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.2); opacity: 0.8; }
}

/* Nav */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(3, 3, 5, 0.7);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-content {
    width: 90%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-item {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-main);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-item:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text h1 .highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #00c6ff);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.5);
}

.btn-glass {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    color: var(--text-main);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Feature Card (Hero Visual) */
.bot-showcase {
    position: relative;
}

.glass-card {
    background: rgba(20, 20, 25, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.05), transparent);
    transform: rotate(45deg);
    animation: shimmer 5s infinite linear;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

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

.bot-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.bot-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

/* Sections */
section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.section-title span {
    color: var(--primary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    cursor: default;
}

.feature-item:hover {
    background: var(--glass-highlight);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.feature-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Commands */
.cmd-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.cmd-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    padding: 1.2rem 2rem;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
    transition: all 0.2s;
}

.cmd-item:hover {
    background: #15151e;
    transform: translateX(10px);
}

.cmd-code {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    color: var(--primary);
    background: rgba(0, 243, 255, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.cmd-desc {
    color: var(--text-muted);
}

/* Tech Stack */
.tech-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.tech-tag {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: all 0.3s;
}

.tech-tag:hover {
    border-color: var(--secondary);
    background: rgba(188, 19, 254, 0.1);
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 3rem;
    text-align: center;
    margin-top: 5rem;
    background: #020203;
}

.footer-link {
    color: var(--primary);
    font-weight: 600;
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.chat-toggle-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0, 243, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.chat-toggle-btn:hover {
    transform: scale(1.1);
}

.chat-window {
    width: 380px;
    height: 600px;
    background: rgba(15, 15, 20, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.chat-window.hidden {
    opacity: 0;
    transform: scale(0.9) translateY(40px);
    pointer-events: none;
    height: 0; 
    margin-bottom: 0;
}

.chat-header {
    padding: 1.2rem;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 10px #22c55e;
    animation: blink 2s infinite;
}

@keyframes blink { 50% { opacity: 0.5; } }

.chat-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.msg {
    max-width: 80%;
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.msg-bot {
    background: rgba(255, 255, 255, 0.05);
    border-top-left-radius: 2px;
    align-self: flex-start;
    color: var(--text-main);
}

.msg-user {
    background: linear-gradient(135deg, var(--primary), #00c6ff);
    color: #000;
    border-top-right-radius: 2px;
    align-self: flex-end;
    font-weight: 500;
}

.chat-footer {
    padding: 1rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    gap: 0.8rem;
}

.chat-input {
    flex: 1;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.8rem;
    color: white;
    font-family: inherit;
    outline: none;
    transition: border-color 0.3s;
}

.chat-input:focus {
    border-color: var(--primary);
}

.chat-send {
    background: var(--primary);
    border: none;
    width: 45px;
    border-radius: 8px;
    cursor: pointer;
    color: #000;
    transition: all 0.2s;
}

.chat-send:active { transform: scale(0.95); }

/* Responsive */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text h1 { font-size: 3rem; }
    .hero-btns { justify-content: center; }
    .bot-showcase { display: none; }
    .nav-links { display: none; }
    .chat-window { width: 90vw; height: 60vh; right: 5vw; bottom: 100px; }
}