:root {
    /* Pendulum "WizardZ" Inspired Light Design System */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F3F3F3;
    --accent: #B9FF66; /* Neon Lime */
    --text-primary: #000000;
    --text-secondary: #191A23;
    --border: #191A23;
    
    --font-sans: 'Space Grotesk', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-l: 45px;
    --radius-m: 14px;
    
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.05);
    --shadow-medium: 0 20px 50px rgba(0,0,0,0.1);
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
    background-color: var(--bg-primary);
}

* {
    box-sizing: border-box;
}

/* Elite Textures & Polish */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 9999;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.7; /* Increased for better breathing room */
    -webkit-font-smoothing: antialiased;
}

/* Utils */
.container {
    max-width: 1280px; /* Slightly wider */
    margin: 0 auto;
    padding: 0 40px; /* More horizontal padding */
}

.highlight {
    background-color: var(--accent);
    padding: 2px 12px; /* More padding in highlights */
    border-radius: 8px;
    display: inline-block;
}

section {
    padding: 120px 0; /* Slightly reduced for better flow */
}

/* Navigation */
nav {
    padding: 20px 0; /* Reduced from 30px */
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.menu-toggle {
    display: none;
    cursor: pointer;
    padding: 10px;
    z-index: 2100;
}

@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: white;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 40px !important;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 50px rgba(0,0,0,0.15);
        z-index: 2000;
    }
    
    .nav-links.active {
        right: 0 !important;
    }
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-highlight {
    background: var(--accent) !important;
    color: black !important;
    border: 2px solid black !important;
    font-weight: 700 !important;
    padding: 16px 32px !important;
    font-size: 14px !important;
    border-radius: 12px !important;
    box-shadow: 4px 4px 0px black;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-highlight:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px black;
}

/* Chill technical button */
.btn-chill {
    background: black !important;
    color: white !important;
    font-family: var(--font-mono) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.15em !important;
    font-size: 12px !important;
    padding: 18px 36px !important;
    border-radius: 12px !important;
    border: none !important;
    cursor: pointer !important;
    transition: var(--transition) !important;
    font-weight: 700 !important;
}

.btn-chill:hover {
    background: var(--accent) !important;
    color: black !important;
    box-shadow: 0 0 20px rgba(185, 255, 102, 0.4) !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 400;
    border-radius: 14px;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    border: 1px solid var(--border);
}

.btn-black {
    background-color: var(--text-primary);
    color: white;
}

.btn-black:hover {
    background-color: #333;
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
}

/* Cards */
.card {
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    padding: 60px 70px; /* Much more generous internal padding */
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 32px; /* Consistent gap inside cards */
}

.card-white {
    background-color: var(--bg-primary);
}

.card-black {
    background-color: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
}

.card-black .highlight {
    background-color: white;
    color: black;
}

.card-gray {
    background-color: var(--bg-secondary);
    border: none;
}

/* Typography */
h1 {
    font-size: 60px;
    font-weight: 500;
    line-height: 1.2;
}

h2 {
    font-size: 40px;
    font-weight: 500;
}

p {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-secondary);
}

/* Abstract Illustrations */
.blueprint-grid {
    position: relative;
    background-image: 
        linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.floating-element {
    width: 120px;
    height: 120px;
    background: var(--accent);
    border-radius: 50%;
    position: absolute;
    filter: blur(40px);
    opacity: 0.5;
    z-index: -1;
}

.code-snippet {
    background: #191A23;
    color: #B9FF66;
    padding: 24px;
    border-radius: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    width: 320px;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

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

.marquee {
    display: flex;
    overflow: hidden;
    user-select: none;
    gap: 60px;
    padding: 40px 0;
}

.marquee-content {
    flex-shrink: 0;
    display: flex;
    justify-content: space-around;
    gap: 60px;
    min-width: 100%;
    animation: scroll 30s linear infinite;
}

@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-100%); }
}

.blueprint-detail {
    font-family: var(--font-mono);
    font-size: 10px;
    color: rgba(0,0,0,0.2);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    position: absolute;
}

footer {
    background-color: var(--text-primary);
    color: white;
    padding: 100px 0;
    border-top-left-radius: 45px;
    border-top-right-radius: 45px;
    margin-top: 100px;
    position: relative;
    z-index: 10;
    display: block;
    margin-bottom: 0 !important;
}

/* Mobile Responsiveness - Comprehensive Mobile-First Approach */
@media (max-width: 992px) {
    .container {
        padding-left: 20px !important;
        padding-right: 20px !important;
    }
    
    section {
        padding: 80px 0 !important;
    }
    
    div[style*="display: grid"], 
    div[style*="display: flex"]:not(.hero-waitlist-container):not(.nav-links) {
        grid-template-columns: 1fr !important;
        flex-direction: column !important;
        gap: 24px !important;
        align-items: center !important;
        text-align: center !important;
    }

    /* Keep small icons horizontal */
    .card-black div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr 1fr !important;
        display: grid !important;
    }

    .card {
        grid-column: span 12 !important;
        padding: 40px 24px !important;
        border-radius: 24px !important;
        margin-bottom: 24px !important;
        min-height: auto !important;
        flex-direction: column !important; /* Stack content in cards */
        align-items: center !important;
        text-align: center !important;
    }
    
    /* Hero Section Mobile */
    h1 {
        font-size: 40px !important;
        line-height: 1.1 !important;
        margin-bottom: 24px !important;
    }
    
    p {
        font-size: 16px !important;
        line-height: 1.6 !important;
    }

    .hero-waitlist-container {
        max-width: 100% !important;
        margin-top: 40px !important;
    }
    
    #heroWaitlistForm {
        flex-direction: column !important;
        gap: 12px !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
    }
    
    #heroWaitlistForm input {
        width: 100% !important;
        background: #F3F3F3 !important;
        border: 1px solid var(--border) !important;
        border-radius: 16px !important;
        padding: 16px 24px !important;
        font-size: 16px !important;
    }
    
    #heroWaitlistForm button {
        width: 100% !important;
        padding: 18px !important;
        border-radius: 16px !important;
    }
    
    /* Blueprint Grid Mobile */
    .blueprint-grid {
        height: 250px !important;
        margin-top: 40px !important;
    }
    
    /* Floating Elements Hidden on Mobile */
    .blueprint-detail, .floating-element, .card[style*="position: absolute"] {
        display: none !important;
    }
    
    /* Services Section Mobile */
    #services .card-white {
        padding: 40px 24px !important;
    }
    
    #services .card-white > div {
        padding: 0 !important;
        width: 100% !important;
    }
    
    #services .card-white .btn {
        width: 100% !important;
        margin: 0 auto;
    }
    
    #services .card-white > div:last-child {
        margin-top: 20px;
    }
    
    /* Visual Data Feed Mobile */
    #services div[style*="background: #F3F3F3"] {
        width: 100% !important;
        max-width: 100% !important;
        padding: 30px 20px !important;
    }
    
    /* Code Snippet Mobile */
    .code-snippet {
        width: 100% !important;
        max-width: 320px !important;
        margin: 0 auto !important;
        transform: none !important;
        font-size: 11px !important;
    }
    
    /* Impact Section Mobile */
    #cases .card-white {
        padding: 40px 24px !important;
    }
    
    #cases h4 {
        font-size: 24px !important;
    }

    /* Waitlist CTA Mobile */
    #waitlist .card-black {
        padding: 60px 24px !important;
    }
    
    #waitlist h2 {
        font-size: 36px !important;
    }
    
    #footerWaitlistForm {
        flex-direction: column !important;
        gap: 12px !important;
        background: transparent !important;
        border: none !important;
        padding: 0 !important;
    }
    
    #footerWaitlistForm input {
        width: 100% !important;
        background: #111 !important;
        border: 1px solid #333 !important;
        border-radius: 16px !important;
    }

    #footerWaitlistForm button {
        width: 100% !important;
        border-radius: 16px !important;
    }
    
    /* Footer Mobile */
    footer {
        padding: 60px 0 !important;
        border-radius: 30px 30px 0 0 !important;
    }

    footer .container > div:first-child {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 60px !important;
    }
    
    footer .container > div > div:last-child {
        flex-direction: row !important;
        justify-content: space-around !important;
        width: 100% !important;
        gap: 20px !important;
        text-align: left !important;
    }

    footer p {
        margin: 0 auto !important;
    }

    /* Marquee Mobile */
    .marquee {
        padding: 24px 0 !important;
    }
    .marquee-content {
        gap: 24px !important;
    }
    .marquee-content span {
        font-size: 13px !important;
    }
}