:root {
    --primary: #4f46e5;
    --primary-glow: rgba(79, 70, 229, 0.4);
    --secondary: #9333ea;
    --accent: #06b6d4;
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-white: #f8fafc;
    --text-dim: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', 'Lexend', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Base Styles */
h1, h2, h3 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

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

/* Glassmorphism Utility */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Nav */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text-dim);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--text-white);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 0 10px 15px -3px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px var(--primary-glow);
}

/* Hero Section */
.hero {
    padding: 8rem 0;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero h1 span {
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.hero-visual {
    margin-top: 4rem;
    position: relative;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.slack-mockup {
    width: 100%;
    height: 500px;
    display: flex;
    overflow: hidden;
}

/* Features Section */
.features {
    padding: 6rem 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.feature-card {
    padding: 2.5rem;
    height: 100%;
}

.feature-card i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-dim);
}

/* How It Works */
.how-it-works {
    padding: 6rem 0;
    text-align: center;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.step-card {
    position: relative;
}

.schematic-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 8px var(--primary-glow));
    transition: transform 0.3s ease;
}

.step-card:hover .schematic-icon {
    transform: scale(1.1);
}

/* Trusted By / Integrations */
.integrations {
    padding: 4rem 0;
    text-align: center;
}

.integration-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    opacity: 0.6;
}

.integration-logos span {
    font-weight: 700;
    font-size: 1.25rem;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
    text-align: center;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    .nav-links {
        display: none;
    }
}

/* Loader Spinner */
.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}