/* Reset and Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary: #0f62fe;
            --primary-dark: #0353e9;
            --secondary: #161616;
            --accent: #8a3ffc;
            --light: #f4f4f4;
            --gray: #8d8d8d;
            --dark: #121212;
            --light-bg: #f8f9fa;
            --card-bg: #ffffff;
            --border: #e0e0e0;
            --success: #24a148;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 24px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
            --radius: 12px;
            --radius-sm: 8px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--light-bg);
            color: var(--secondary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 100px 0;
        }

        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }

        h1 {
            font-size: 3.5rem;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 3rem;
        }

        h3 {
            font-size: 1.75rem;
            margin-bottom: 1rem;
        }

        h4 {
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
        }

        p {
            margin-bottom: 1.5rem;
            color: var(--gray);
            font-size: 1.125rem;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 32px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            gap: 8px;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: rgba(15, 98, 254, 0.05);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

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

        .btn-accent:hover {
            background-color: #7a2ff0;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .btn-large {
            padding: 18px 36px;
            font-size: 1.125rem;
        }

        .text-center {
            text-align: center;
        }

        .section-title {
            position: relative;
            margin-bottom: 4rem;
        }

        .section-title:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background-color: var(--primary);
            bottom: -1rem;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }

        .card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .icon-container {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            background-color: rgba(15, 98, 254, 0.1);
        }

        .icon-container i {
            font-size: 1.75rem;
            color: var(--primary);
        }
/* Download App Button */
.nav-btn-download {
    background-color: #FFD400; /* Yellow */
    color: #111;
    padding: 10px 22px;
    border-radius: 999px; /* fully rounded */
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}

.nav-btn-download:hover {
    background-color: #ffcc00;
    transform: translateY(-2px);
}

        /* Header */
        header {
            background-color: var(--card-bg);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.25rem 0;
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--secondary);
            
        padding-left: 20px;
        }
.logo img {
    height: 50px;
    width: auto;
}

    .logo-text {
    font-size: 30px;
    font-weight: 700;
    color: #222;
    letter-spacing: 1px;
}

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
        }

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

        .mobile-menu-btn {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--secondary);
        }

     /* =========================
   HERO SECTION – FORCE CENTER
========================= */

.hero {
    padding: 160px 20px 100px;
    background: linear-gradient(135deg, #f0f5ff 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
    text-align: center; /* FORCE text center */
}

/* Background overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1639762681485-074b7f938ba0?auto=format&fit=crop&w=1000&q=80')
        no-repeat center / cover;
    opacity: 0.08;
    z-index: 0;
}

/* OVERRIDE container behavior */
.hero .container {
    position: relative;
    z-index: 1;
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;  /* FORCE horizontal center */
}

/* Content */
.hero-content {
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;  /* FORCE */
}

/* Heading */
.hero h1 {
    margin-bottom: 1.5rem;
    color: var(--secondary);
    text-align: center !important;
}

/* Paragraph */
.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--gray);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-align: center !important;
}

/* Buttons */
.hero-btns {
    display: flex;
    justify-content: center !important;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* =========================
   VIDEO
========================= */

.hero-video-wrapper {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.hero-video {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    background: #000;
}

/* =========================
   MOBILE
========================= */

@media (max-width: 768px) {
    .hero {
        padding: 120px 16px 80px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .hero-video {
        border-radius: 14px;
    }
}







        /* Features Section */
        .features {
            background-color: var(--card-bg);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
        }






/* How It Works */
.how-it-works {
    background-color: var(--light-bg);
    padding: 6rem 0;
}

.steps {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    counter-reset: step-counter;
}

/* Vertical line */
.steps::before {
    content: "";
    position: absolute;
    left: 18px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
    opacity: 0.2;
}

.step {
    position: relative;
    padding-left: 4.5rem;
    margin-bottom: 3rem;
}

/* Step number circle */
.step::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 36px;
    height: 36px;
    background-color: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    z-index: 2;
}

.step h3 {
    margin-bottom: 0.75rem;
    color: var(--secondary);
}

.step p {
    color: var(--gray);
    line-height: 1.6;
}

/* Remove line after last step */
.step:last-child {
    margin-bottom: 0;
}






/* Technology Stack Section */
.tech-stack {
    background: radial-gradient(circle at top, #0f1b2d, #060b16);
    padding: 6rem 0;
    color: #e5e7eb;
}

/* Layout */
.tech-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* Left */
.tech-badge {
    display: inline-block;
    background: #1e3a8a;
    color: #93c5fd;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.75rem;
    margin-bottom: 1rem;
}

.tech-left h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tech-desc {
    max-width: 520px;
    margin-bottom: 2.5rem;
    color: #cbd5f5;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.tech-item {
    display: flex;
    gap: 1rem;
}

.tech-item .icon {
    width: 36px;
    height: 36px;
    background: #1e40af;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #fff;
}

/* Terminal */
.tech-right {
    display: flex;
    justify-content: center;
}

/* Terminal container */
.terminal {
    width: 100%;
    max-width: 480px;
    background: #020617;
    border-radius: 14px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
    overflow: hidden;
}

.terminal-header {
    background: #020617;
    padding: 0.6rem 0.8rem;
    display: flex;
    gap: 0.4rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #facc15; }
.dot.green { background: #22c55e; }



/* Scrollable content */
.terminal pre {
    max-height: 360px;        /* CONTROL HEIGHT */
    overflow-y: auto;         /* ENABLE SCROLL */
    padding: 1.5rem;
    color: #22c55e;
    font-size: 0.85rem;
    line-height: 1.6;
    font-family: monospace;
    scrollbar-width: thin;    /* Firefox */
    scrollbar-color: #22c55e #020617;
}


/* Mobile */
@media (max-width: 900px) {
    .tech-layout {
        grid-template-columns: 1fr;
    }

    .tech-right {
        margin-top: 3rem;
    }
}



       /* Ecosystem & Vision */
.ecosystem {
    background-color: #ffffff;
    padding: 6rem 0;
}

/* Grid */
.ecosystem .tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

/* Cards */
.ecosystem .card {
    background: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 18px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ecosystem .card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 45px rgba(0,0,0,0.12);
}

.ecosystem h3 {
    margin: 1rem 0;
    color: var(--secondary);
}

.ecosystem p {
    color: var(--gray);
}








.roadmap {
    padding: 80px 0;
    background-color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 60px;
    color: #0d1b2a;
    font-weight: 700;
}

.roadmap-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

/* Vertical Line */
.roadmap-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: #e0e0e0;
    transform: translateX(-50%);
}

.roadmap-item {
    position: relative;
    width: 50%;
    margin-bottom: 40px;
}

/* Yellow Dots */
.roadmap-dot {
    position: absolute;
    top: 20px;
    width: 24px;
    height: 24px;
    background-color: #ffcc00; /* Yellow from image */
    border-radius: 50%;
    z-index: 2;
}

.right-side {
    margin-left: 50%;
    padding-left: 40px;
}

.left-side {
    margin-right: 50%;
    padding-right: 40px;
    text-align: right;
}

.right-side .roadmap-dot { left: -12px; }
.left-side .roadmap-dot { right: -12px; }

/* Year Tag */
.roadmap-year {
    display: inline-block;
    background-color: #f1f3f5;
    color: #495057;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.roadmap-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #0d1b2a;
    margin-bottom: 8px;
}

.content-box p {
    color: #6c757d;
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 15px;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-badge.completed {
    background-color: #d4edda;
    color: #28a745;
}

.status-badge.in-progress {
    background-color: #fff3cd;
    color: #856404;
}

/* Blue styling for Planned status */
.status-badge.planned {
    background-color: #e6f0ff; /* Light blue background */
    color: #2196F3;            /* Solid blue text */
    border: 1px solid rgba(33, 150, 243, 0.1);
}



/* CTA Section Styling */
.cta-section {
   background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: 80px 0;
    text-align: center;
    font-family: 'Inter', sans-serif; /* Or your preferred sans-serif */
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #11151e;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: #11151e;
    max-width: 700px;
    margin: 0 auto 50px;
    line-height: 1.6;
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

/* Card Base Styles */
.cta-card {
    padding: 40px 20px;
    border-radius: 15px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.cta-card:hover {
    transform: translateY(-5px);
}

.cta-card .cta-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-card p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Dark Card Variant */
.card-dark {
    background-color: #2937579d;
    color: #ffffff;
}

/* White Card Variant */
.card-white {
    background-color: #ffffffb7;
    color: #11151e;
}

/* Disclaimer text at bottom */
.cta-disclaimer {
    margin-top: 50px;
    font-size: 0.85rem;
    color: #11151e;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

/* Icons specifically for the dark cards */
.card-dark .cta-icon {
    color: #ffffff;
}

:root {
    --footer-bg: #11151e; /* Dark background from image */
    --accent-yellow: #ffcc00; /* Yellow from TAU logo */
    --text-gray: #9ca3af;
}

.main-footer {
    background-color: var(--footer-bg);
    color: white;
    padding: 60px 0 30px;
    font-family: sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr; /* Brand column is slightly wider */
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h3 {
    font-size: 1.1rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.brand-col p {
    color: var(--text-gray);
    line-height: 1.6;
    margin: 20px 0;
    max-width: 300px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

/* Social Icons Styling */
.social-icons {
    display: flex;
    gap: 12px;
}

.social-icons a {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: background 0.3s;
}

.social-icons a:hover {
    background: var(--accent-yellow);
    color: black;
}

/* Back to Top Button */
.legal-col {
    position: relative;
}

.back-to-top {
    display: inline-flex;
    width: 40px;
    height: 40px;
    background-color: var(--accent-yellow);
    color: black;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
    text-decoration: none;
}

/* Footer Bottom */
.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    color: #4b5563;
    font-size: 0.85rem;
}

/* Logo specific */
.logo2 {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo2 img { height: 35px; }
.logo2-text { color: white; font-weight: bold; font-size: 1.2rem; }


/* Responsive Footer */
@media (max-width: 768px) {
    .footer-grid {
        /* Changes from 4 columns to 1 column */
        grid-template-columns: 1fr; 
        gap: 30px;
        text-align: left; /* Ensures everything is aligned left */
    }

    .brand-col p {
        max-width: 100%; /* Allows text to use full width on mobile */
    }

    .legal-col {
        display: flex;
        flex-direction: column;
        align-items: flex-start; /* Keeps "Back to top" button on the left */
    }
}

  /* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        z-index: 999;
        visibility: hidden;
        height: 0;
        overflow: hidden;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        height: auto;
        overflow: visible;
    }
    
    .nav-links li {
        margin: 0.75rem 0;
        width: 100%;
        text-align: center;
    }
    
    .nav-links a {
        display: block;
        padding: 12px 20px;
        font-size: 1.1rem;
    }
    
    .mobile-menu-btn {
        display: block;
        z-index: 1001;
        padding-right: 20px;
    }
}