:root {
            --hero-bg: #B153D7;
            --hero-text: #FE7F2D;
            --hero-para: #F5FBE6;
            --accent-yellow: #FFE52A;
            --pure-white: #FFFFFF;
            --pure-black: #000000;
        }

        body {
            background-color: var(--pure-white);
            color: var(--pure-black);
            font-family: 'Inter', sans-serif;
            margin: 0;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        .serif { font-family: 'DM Serif Display', serif; }

        /* --- Animations & Reveal Logic --- */
        .reveal { opacity: 0; filter: blur(10px); transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1); transform: translateY(30px); }
        .reveal.active { opacity: 1; filter: blur(0); transform: translateY(0); }

        .word-reveal span {
            display: inline-block;
            opacity: 0;
            transform: translateY(20px);
            transition: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .active .word-reveal span { opacity: 1; transform: translateY(0); }

        .letter-cascade span {
            display: inline-block;
            opacity: 0;
            transform: translateY(-50px);
            transition: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .active .letter-cascade span { opacity: 1; transform: translateY(0); }

        /* --- Header --- */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 40px 60px;
            transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
            background: transparent;
            transform: translateY(-100%);
        }
        header.loaded { transform: translateY(0); }
        header.scrolled {
            padding: 20px 60px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(15px);
            color: black !important;
            border-bottom: 1px solid rgba(0,0,0,0.1);
        }
        header.scrolled .nav-link, header.scrolled .logo { color: black !important; }

        .nav-link {
            position: relative;
            cursor: pointer;
            font-weight: 500;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: filter 0.3s ease;
        }
        header.scrolled .nav-link { filter: contrast(1); }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--accent-yellow);
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            transform: translateX(-50%);
        }
        .nav-link:hover::after { width: 100%; }

        /* --- Hero --- */
        .hero {
            height: 100vh;
            background: var(--hero-bg);
            display: flex;
            align-items: center;
            padding: 0 8%;
            position: relative;
            overflow: hidden;
        }
        .hero-title {
            font-size: clamp(2rem, 10vw, 6.5rem);
            color: var(--hero-text);
            line-height: 0.9;
            letter-spacing: -2px;
        }
        .hero-img-mask {
            position: relative;
            width: 120%;
            height: 100vh;
            background: url('hero.png') center/cover;
            clip-path: inset(100% 0 0 0);
            transition: clip-path 1.8s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .active .hero-img-mask { clip-path: inset(0 0 0 0); }

        /* --- Grid & Inversion --- */
        .inverted-section { background: var(--pure-black); color: var(--pure-white); }
        .modern-block {
            border: 1px solid rgba(255,255,255,0.05);
            padding: 80px 60px;
            transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
            transform: scale(0.8);
            opacity: 0;
        }
        .active .modern-block { transform: scale(1); opacity: 1; }
        .modern-block:hover { background: var(--accent-yellow); color: var(--pure-black); }

        /* --- Yellow Stripe --- */
        .yellow-stripe { background: var(--accent-yellow); color: var(--pure-black); overflow: hidden; }
        .marquee { display: flex; animation: marquee 30s linear infinite; }
        @keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

        /* --- Auth Modal --- */
        .auth-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.98);
            z-index: 2000;
            display: none;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(20px);
        }
        .auth-overlay.active { display: flex; }
        .auth-card {
            background: white;
            color: black;
            padding: 80px;
            width: 100%;
            max-width: 600px;
        }

        /* --- Filter Component --- */
        .filter-btn {
            border-bottom: 2px solid transparent;
            padding: 10px 0;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
        }
        .filter-btn.active { border-color: var(--accent-yellow); }

        /* --- Footer Stripes --- */
        .footer-stripe-black { height: 15px; background: black; }
        .footer-stripe-white { height: 15px; background: white; }

        .cta-btn {
            border: 2px solid white;
            padding: 18px 45px;
            text-transform: uppercase;
            font-weight: 800;
            letter-spacing: 3px;
            font-size: 0.75rem;
            transition: all 0.4s ease;
        }
        .cta-btn:hover { background: var(--accent-yellow); color: black; border-color: var(--accent-yellow); }

        .content-card {
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .content-card:hover { transform: translateY(-15px); }

        .nav-link {
    cursor: pointer;
    position: relative;
    font-size: 14px;
    letter-spacing: 1px;
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    height: 1px;
    width: 0;
    background: var(--accent-yellow);
    transition: width 0.3s ease;
}

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