:root {
    --bg-primary: #0a0b10;
    --bg-secondary: #12131a;
    --bg-card: rgba(22, 24, 37, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    
    /* Curated, harmonious gradient colors */
    --primary-color: #6366f1; /* Indigo */
    --secondary-color: #a855f7; /* Purple */
    --accent-color: #06b6d4; /* Cyan */
    --success-color: #10b981; /* Emerald */
    --warning-color: #f59e0b; /* Amber */
    
    --gradient-hero: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-text: linear-gradient(90deg, #a855f7 0%, #6366f1 50%, #06b6d4 100%);
    
    --font-sans: 'Outfit', sans-serif;
    --font-mono: 'Space Grotesk', monospace;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Stunning Ambient Glow Backgrounds Container - Prevents horizontal scrollbar */
.bg-glows-container {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: -1;
}

.glass-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
    top: -100px;
    right: -100px;
    pointer-events: none;
    animation: float-slow 20s infinite alternate;
}

.glass-bg-2 {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.12) 0%, rgba(0,0,0,0) 70%);
    top: 500px;
    left: -100px;
    pointer-events: none;
    animation: float-slow 25s infinite alternate-reverse;
}

@keyframes float-slow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navbar */
header {
    background: rgba(10, 11, 16, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.logo span span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-icon {
    color: var(--primary-color);
    font-size: 1.6rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-hero);
    color: white;
    border: none;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    padding: 6rem 1.5rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.hero-content h1 span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 0.35rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Terminal Mockup */
.hero-terminal {
    background: #0f1015;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    height: 380px;
    display: flex;
    flex-direction: column;
    max-width: 100%;
}

.terminal-header {
    background: #16171f;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.btn-red { background: #ef4444; }
.btn-yellow { background: #f59e0b; }
.btn-green { background: #10b981; }

.terminal-title {
    margin-left: 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.terminal-body {
    padding: 1.25rem;
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: auto;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.line {
    color: #e5e7eb;
    white-space: nowrap;
}

.line.comment { color: #6b7280; }
.line.success { color: #34d399; }
.line.info { color: #60a5fa; }
.line.warning { color: #fbbf24; }
.line.highlight { color: #818cf8; }
.line.bold { font-weight: bold; color: #ffffff; }

.line.prompt {
    color: #f472b6;
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* Features Section */
.features {
    padding: 6rem 1.5rem;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-muted);
    margin-bottom: 4rem;
    font-size: 1.1rem;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.08);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

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

/* Interactive Guide */
.interactive-guide {
    background: var(--bg-secondary);
    padding: 6rem 1.5rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.step-box {
    background: rgba(10, 11, 16, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
}

.step-num {
    background: var(--gradient-hero);
    color: white;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: bold;
    margin-right: 0.5rem;
}

.step-box h3 {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.step-box p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.code-box {
    background: #08090d;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem 1rem;
    position: relative;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #e5e7eb;
    white-space: pre-wrap;
    word-break: break-all;
}

.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
}

.copy-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
    color: #a5b4fc;
}

.copy-btn i {
    font-size: 1.15rem;
    display: flex;
}

/* Footer */
footer {
    padding: 4rem 1.5rem;
    background: var(--bg-primary);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-content a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 4rem 1.5rem;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-content .subtitle {
        margin: 0 auto 2.5rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        margin-bottom: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-terminal {
        height: 320px;
    }
}

/* Run Modes Section */
.run-modes {
    padding: 6rem 1.5rem;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.mode-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.mode-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.08);
}

.mode-header {
    margin-bottom: 1.5rem;
}

.mode-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag-guided {
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.tag-dry {
    background: rgba(6, 182, 212, 0.15);
    color: #8be8f9;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.tag-normal {
    background: rgba(168, 85, 247, 0.15);
    color: #e0b0ff;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.mode-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
}

.mode-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.mode-options {
    list-style-type: none;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-main);
}

.mode-options li {
    position: relative;
    padding-left: 1.25rem;
}

.mode-options li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}