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

        :root {
            --neon-green: #00ff88;
            --neon-pink: #ff0066;
            --neon-blue: #00ccff;
            --neon-yellow: #ffcc00;
            --dark-bg: #06060e;
            --dark-surface: #0a0a18;
            --dark-card: #0f0f22;
            --text-primary: #eaeaf2;
            --text-muted: #7a7a9a;
        }

        body {
            font-family: 'Space Grotesk', sans-serif;
            background: var(--dark-bg);
            color: var(--text-primary);
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* === GRID BACKGROUND === */
        .grid-bg {
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image:
                linear-gradient(rgba(0,204,255,0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0,204,255,0.025) 1px, transparent 1px);
            background-size: 80px 80px;
            pointer-events: none;
            z-index: 0;
        }

        /* === GLOW ORBS === */
        .orb { position: fixed; border-radius: 50%; filter: blur(140px); pointer-events: none; z-index: 0; }
        .orb-1 { width: 600px; height: 600px; background: rgba(0,255,136,0.07); top: -200px; right: -150px; }
        .orb-2 { width: 500px; height: 500px; background: rgba(255,0,102,0.05); bottom: 10%; left: -200px; }
        .orb-3 { width: 400px; height: 400px; background: rgba(0,204,255,0.04); top: 50%; right: 5%; }

        section { position: relative; z-index: 1; }

        /* === NAV === */
        .top-nav {
            position: fixed; top: 0; left: 0; right: 0;
            display: flex; align-items: center; justify-content: space-between;
            padding: 1rem 2rem;
            background: rgba(6,6,14,0.88); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0,255,136,0.06);
            z-index: 100;
        }
        .nav-brand {
            font-family: 'Orbitron', sans-serif;
            font-weight: 900; font-size: 0.9rem; letter-spacing: 0.12em;
            background: linear-gradient(135deg, #fff, var(--neon-green));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }
        .nav-actions { display: flex; gap: 0.75rem; }
        .nav-btn {
            padding: 8px 20px;
            border-radius: 8px;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.7rem; font-weight: 700;
            letter-spacing: 0.1em; text-transform: uppercase;
            cursor: pointer; text-decoration: none; transition: all 0.2s;
        }
        .nav-btn-ghost {
            background: transparent;
            border: 1px solid rgba(0,255,136,0.2);
            color: var(--neon-green);
        }
        .nav-btn-ghost:hover { border-color: var(--neon-green); background: rgba(0,255,136,0.06); }
        .nav-btn-blue {
            background: transparent;
            border: 1px solid rgba(0,204,255,0.3);
            color: var(--neon-blue);
        }
        .nav-btn-blue:hover { border-color: var(--neon-blue); background: rgba(0,204,255,0.06); }
        .nav-btn-solid {
            background: linear-gradient(135deg, var(--neon-green), #00aa5c);
            border: none; color: #000;
        }
        .nav-btn-solid:hover { opacity: 0.9; }

        /* === HERO === */
        .hero {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 7rem 2rem 4rem;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border: 1px solid rgba(0,255,136,0.2);
            border-radius: 100px;
            font-size: 0.78rem;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--neon-green);
            margin-bottom: 2.5rem;
            background: rgba(0,255,136,0.04);
        }
        .hero-badge::before {
            content: '';
            width: 6px; height: 6px;
            background: var(--neon-green);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--neon-green);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .hero h1 {
            font-family: 'Orbitron', sans-serif;
            font-weight: 900;
            font-size: clamp(2.5rem, 7vw, 5.5rem);
            line-height: 1.05;
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
        }
        .hero h1 .line1 {
            display: block;
            background: linear-gradient(135deg, #fff 20%, var(--neon-green) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero h1 .line2 {
            display: block;
            background: linear-gradient(135deg, var(--neon-blue) 20%, var(--neon-pink) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            max-width: 560px;
            font-size: 1.15rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0.5rem;
        }

        .hero-compare {
            font-size: 0.88rem;
            color: var(--neon-pink);
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-bottom: 2.5rem;
        }

        /* Waveform */
        .waveform {
            display: flex;
            align-items: center;
            gap: 3px;
            justify-content: center;
            margin: 2rem 0;
            height: 40px;
        }
        .wave-bar {
            width: 3px;
            background: linear-gradient(to top, var(--neon-green), var(--neon-blue));
            border-radius: 2px;
            animation: wave 1.5s ease-in-out infinite;
        }
        @keyframes wave {
            0%, 100% { height: 8px; }
            50% { height: 35px; }
        }

        /* Hero CTA for Hit Predictor */
        .hp-hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: 1px solid rgba(0,204,255,0.4);
            border-radius: 10px;
            background: rgba(0,204,255,0.06);
            color: var(--neon-blue);
            font-family: 'Orbitron', sans-serif;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 2rem;
        }
        .hp-hero-cta:hover {
            border-color: var(--neon-blue);
            background: rgba(0,204,255,0.12);
            box-shadow: 0 0 30px rgba(0,204,255,0.15);
        }

        /* Primary Hero Action Button */
        .hero-primary-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 18px 44px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--neon-green), #00aa5c);
            color: #000;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.9rem;
            font-weight: 900;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 0 40px rgba(0,255,136,0.3), 0 4px 20px rgba(0,0,0,0.4);
            border: none;
            margin-bottom: 0.75rem;
        }
        .hero-primary-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 70px rgba(0,255,136,0.45), 0 8px 28px rgba(0,0,0,0.5);
        }
        .hero-cta-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
            max-width: 480px;
            margin: 0 auto;
        }
        .hero-cta-sub {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            margin-bottom: 1.25rem;
        }
        .hero-cta-secondary {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.85rem;
        }
        .hero-cta-secondary span {
            color: var(--text-muted);
        }
        .hero-cta-secondary a {
            color: var(--neon-blue);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.2s;
        }
        .hero-cta-secondary a:hover { color: #fff; }

        /* === EMAIL CAPTURE === */
        .waitlist-form {
            width: 100%;
            max-width: 480px;
            margin: 0 auto;
        }

        .role-toggle {
            display: flex;
            justify-content: center;
            gap: 0;
            margin-bottom: 1rem;
            background: var(--dark-card);
            border-radius: 10px;
            padding: 4px;
            border: 1px solid rgba(0,255,136,0.08);
        }
        .role-btn {
            flex: 1;
            padding: 10px 16px;
            border: none;
            border-radius: 8px;
            font-family: 'Space Grotesk', sans-serif;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
            background: transparent;
            color: var(--text-muted);
        }
        .role-btn.active {
            background: rgba(0,255,136,0.12);
            color: var(--neon-green);
            box-shadow: 0 0 20px rgba(0,255,136,0.08);
        }
        .role-btn:hover:not(.active) {
            color: var(--text-primary);
        }

        .email-row {
            display: flex;
            gap: 0;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(0,255,136,0.15);
            background: var(--dark-card);
            transition: border-color 0.3s;
        }
        .email-row:focus-within {
            border-color: var(--neon-green);
            box-shadow: 0 0 30px rgba(0,255,136,0.08);
        }

        .email-row input {
            flex: 1;
            padding: 14px 18px;
            border: none;
            background: transparent;
            color: var(--text-primary);
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1rem;
            outline: none;
        }
        .email-row input::placeholder {
            color: var(--text-muted);
        }

        .email-row button {
            padding: 14px 28px;
            border: none;
            background: linear-gradient(135deg, var(--neon-green), #00aa5c);
            color: #000;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .email-row button:hover {
            opacity: 0.9;
        }
        .email-row button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .form-msg {
            margin-top: 0.75rem;
            font-size: 0.85rem;
            min-height: 1.3em;
        }
        .form-msg.success { color: var(--neon-green); }
        .form-msg.error { color: var(--neon-pink); }

        .waitlist-count {
            margin-top: 1.5rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }
        .waitlist-count span {
            color: var(--neon-green);
            font-weight: 600;
        }

        /* === HIT PREDICTOR === */
        .hit-predictor {
            padding: 6rem 2rem;
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }
        .hit-predictor::before {
            content: '';
            position: absolute;
            top: 0; left: 50%;
            transform: translateX(-50%);
            width: 1px; height: 80px;
            background: linear-gradient(to bottom, transparent, var(--neon-blue));
        }
        .hp-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-top: -2.5rem;
            margin-bottom: 3rem;
        }
        /* Enhanced section title gradient for HP */
        .hit-predictor .section-title {
            background: linear-gradient(135deg, #fff 40%, var(--neon-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Upload Area */
        /* === NEON REVOLVER UPLOAD === */
        .hp-upload-area {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 2rem 1rem;
            cursor: pointer;
            -webkit-tap-highlight-color: transparent;
            user-select: none;
            /* iOS Safari: label needs explicit block display for flex to work */
            width: 100%;
        }
        .hp-revolver-scene {
            position: relative;
            width: 100%;
            max-width: 680px;
        }
        .hp-revolver-scene svg {
            width: 100%; height: auto;
            display: block;
            animation: hpRevolverPulse 3s ease-in-out infinite;
            transition: filter 0.3s;
        }
        .hp-upload-area:hover .hp-revolver-scene svg,
        .hp-upload-area.dragover .hp-revolver-scene svg {
            animation: none;
            filter: drop-shadow(0 0 24px rgba(0,255,102,0.7));
        }
        @keyframes hpRevolverPulse {
            0%, 100% { filter: drop-shadow(0 0 6px rgba(0,255,102,0.3)); }
            50%       { filter: drop-shadow(0 0 18px rgba(0,255,102,0.65)); }
        }
        .hp-revolver-hint {
            text-align: center;
            color: #00ff66;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.72rem;
            letter-spacing: 0.18em;
            margin-top: 0.6rem;
            opacity: 0.65;
            animation: hpHintPulse 2.5s ease-in-out infinite;
        }
        @keyframes hpHintPulse { 0%,100%{opacity:0.45;} 50%{opacity:0.9;} }
        .hp-revolver-formats {
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
            letter-spacing: 0.04em;
        }
        /* Muzzle flash overlay */
        .hp-muzzle-flash {
            position: fixed; inset: 0;
            background: rgba(0,255,102,0.18);
            pointer-events: none;
            z-index: 9999;
            animation: hpFlashFade 0.45s ease-out forwards;
        }
        @keyframes hpFlashFade { 0%{opacity:1;} 100%{opacity:0;} }
        /* Firing animation */
        @keyframes hpRevolverShake {
            0%   { transform: translate(0,0) rotate(0deg); }
            15%  { transform: translate(-8px,-4px) rotate(-1.5deg); }
            30%  { transform: translate(8px,3px) rotate(1deg); }
            45%  { transform: translate(-5px,-2px) rotate(-0.8deg); }
            60%  { transform: translate(4px,1px) rotate(0.4deg); }
            75%  { transform: translate(-2px,0px) rotate(-0.2deg); }
            100% { transform: translate(0,0) rotate(0deg); }
        }
        .hp-revolver-firing .hp-revolver-scene svg {
            animation: hpRevolverShake 0.45s ease-out !important;
            filter: drop-shadow(0 0 30px rgba(0,255,102,0.9)) !important;
        }

        /* Error */
        .hp-error {
            margin-top: 1rem;
            padding: 12px 20px;
            border-radius: 10px;
            background: rgba(255,0,102,0.08);
            border: 1px solid rgba(255,0,102,0.2);
            color: var(--neon-pink);
            font-size: 0.9rem;
            text-align: center;
        }

        /* Privacy note */
        .hp-privacy-note {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 1rem;
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }
        .hp-privacy-note svg {
            flex-shrink: 0;
            opacity: 0.7;
        }
        .hp-privacy-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            background: rgba(0,255,136,0.06);
            border: 1px solid rgba(0,255,136,0.12);
            border-radius: 20px;
            font-size: 0.72rem;
            color: rgba(0,255,136,0.7);
            font-weight: 500;
        }

        /* URL Paste Section */
        .hp-url-section {
            margin-top: 1.2rem;
            padding: 0 1rem;
        }
        .hp-url-divider {
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255,255,255,0.35);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 0.8rem;
        }
        .hp-url-row {
            display: flex;
            gap: 0.5rem;
            max-width: 480px;
            margin: 0 auto;
        }
        .hp-url-input {
            flex: 1;
            background: rgba(0,255,102,0.04);
            border: 1px solid rgba(0,255,102,0.2);
            border-radius: 8px;
            padding: 0.6rem 0.9rem;
            color: #fff;
            font-size: 0.85rem;
            font-family: 'Space Grotesk', sans-serif;
            outline: none;
            transition: border-color 0.2s;
        }
        .hp-url-input:focus {
            border-color: rgba(0,255,102,0.5);
        }
        .hp-url-input::placeholder {
            color: rgba(255,255,255,0.3);
            font-size: 0.8rem;
        }
        .hp-url-btn {
            background: rgba(0,255,102,0.12);
            border: 1px solid rgba(0,255,102,0.3);
            color: #00ff66;
            padding: 0.6rem 1.2rem;
            border-radius: 8px;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 1px;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .hp-url-btn:hover {
            background: rgba(0,255,102,0.2);
        }
        .hp-url-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* Genre Dropdown — iOS Safari: font-size ≥ 16px prevents auto-zoom;
           min-height 44px meets touch-target guidelines; touch-action kills 300ms delay */
        .hp-genre-select {
            width: 100%;
            max-width: 480px;
            margin: 0 auto 0.5rem;
            display: block;
            background: rgba(0,255,102,0.04);
            border: 1px solid rgba(0,255,102,0.2);
            border-radius: 8px;
            padding: 0.7rem 2.5rem 0.7rem 0.9rem;
            color: #e0e0e0;
            font-size: 16px;
            font-family: 'Space Grotesk', sans-serif;
            outline: none;
            cursor: pointer;
            transition: border-color 0.2s;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300ff66' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 0.9rem center;
            min-height: 44px;
            touch-action: manipulation;
            -webkit-tap-highlight-color: rgba(0,255,102,0.1);
        }
        .hp-genre-select:focus {
            border-color: rgba(0,255,102,0.5);
        }
        .hp-genre-select option {
            background: #0d0d12;
            color: #e0e0e0;
        }
        .hp-genre-other-wrap {
            display: none;
            margin: 0.5rem auto 0;
            width: 100%;
            max-width: 480px;
        }
        .hp-genre-other-wrap.visible { display: block; }
        .hp-genre-other-input {
            width: 100%;
            background: rgba(0,204,255,0.04);
            border: 1px solid rgba(0,204,255,0.2);
            border-radius: 8px;
            padding: 0.7rem 0.9rem;
            color: #e0e0e0;
            font-size: 16px;
            font-family: 'Space Grotesk', sans-serif;
            outline: none;
            transition: border-color 0.2s;
            min-height: 44px;
            touch-action: manipulation;
        }
        .hp-genre-other-input:focus {
            border-color: rgba(0,204,255,0.5);
        }
        .hp-genre-other-input::placeholder {
            color: rgba(255,255,255,0.3);
        }

        @media (max-width: 600px) {
            .hp-url-row { flex-direction: column; }
            .hp-url-btn { width: 100%; }
        }

        /* Loading / Progress */
        .hp-loading {
            text-align: center;
            padding: 2.5rem 2rem;
        }
        .hp-loading-spinner {
            width: 48px; height: 48px;
            border: 3px solid rgba(0,204,255,0.15);
            border-top-color: var(--neon-blue);
            border-radius: 50%;
            animation: hp-spin 0.8s linear infinite;
            margin: 0 auto 1.2rem;
        }
        @keyframes hp-spin {
            to { transform: rotate(360deg); }
        }
        .hp-loading-text {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.8rem;
            letter-spacing: 0.12em;
            color: var(--neon-blue);
            text-transform: uppercase;
            margin-bottom: 1.5rem;
        }
        /* Progress stages bar */
        .hp-progress-wrap {
            max-width: 420px;
            margin: 0 auto;
        }
        .hp-progress-stages {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.6rem;
        }
        .hp-stage {
            font-size: 0.68rem;
            font-family: 'Orbitron', sans-serif;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: rgba(0,204,255,0.35);
            transition: color 0.4s;
        }
        .hp-stage.active {
            color: var(--neon-blue);
        }
        .hp-stage.done {
            color: var(--neon-green);
        }
        .hp-progress-track {
            height: 4px;
            background: rgba(255,255,255,0.06);
            border-radius: 2px;
            overflow: hidden;
            position: relative;
        }
        .hp-progress-fill {
            height: 100%;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--neon-blue), var(--neon-green));
            width: 0%;
            transition: width 0.8s ease;
            position: relative;
        }
        .hp-progress-fill::after {
            content: '';
            position: absolute;
            right: 0; top: 0; bottom: 0;
            width: 40px;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4));
            animation: hp-shimmer 1.2s ease-in-out infinite;
        }
        @keyframes hp-shimmer {
            0% { opacity: 0; }
            50% { opacity: 1; }
            100% { opacity: 0; }
        }

        /* Dashboard */
        .hp-dashboard {
            margin-top: 2rem;
            animation: hp-fade-in 0.4s ease;
        }
        @keyframes hp-fade-in {
            from { opacity: 0; transform: translateY(12px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .hp-track-info {
            text-align: center;
            margin-bottom: 2rem;
        }
        .hp-track-name {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }
        .hp-track-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Waveform Canvas */
        .hp-waveform-wrap {
            background: var(--dark-card);
            border: 1px solid rgba(0,204,255,0.1);
            border-radius: 14px;
            padding: 1.2rem;
            margin-bottom: 2rem;
            overflow: hidden;
        }
        .hp-waveform-wrap canvas {
            width: 100%;
            height: 120px;
            display: block;
        }

        /* Score Section */
        .hp-score-section {
            display: flex;
            justify-content: center;
            margin-bottom: 2.5rem;
        }
        .hp-score-ring {
            position: relative;
            width: 200px;
            height: 200px;
        }
        .hp-score-ring svg {
            width: 100%;
            height: 100%;
        }
        .hp-score-value {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -60%);
            font-family: 'Orbitron', sans-serif;
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
        }
        .hp-score-label {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, 60%);
            font-family: 'Orbitron', sans-serif;
            font-size: 0.58rem;
            font-weight: 700;
            letter-spacing: 0.18em;
            color: var(--text-muted);
            text-transform: uppercase;
            white-space: nowrap;
        }

        /* Feature Bars */
        .hp-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.2rem;
            margin-bottom: 2.5rem;
        }
        .hp-feature {
            background: var(--dark-card);
            border: 1px solid rgba(255,255,255,0.04);
            border-radius: 12px;
            padding: 1.2rem 1.4rem;
        }
        .hp-feature-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.7rem;
        }
        .hp-feature-name {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.65rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--text-muted);
        }
        .hp-feature-val {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 0.95rem;
            font-weight: 700;
        }
        .hp-feature-bar-bg {
            width: 100%;
            height: 6px;
            background: rgba(255,255,255,0.06);
            border-radius: 3px;
            position: relative;
            overflow: hidden;
        }
        .hp-feature-bar {
            height: 100%;
            border-radius: 3px;
            transition: width 1s ease-out;
            width: 0;
        }
        .hp-feature-benchmark {
            position: absolute;
            top: -3px;
            width: 2px;
            height: 12px;
            background: rgba(255,255,255,0.3);
            border-radius: 1px;
        }
        .hp-feature-zone {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
            display: flex;
            justify-content: space-between;
        }
        .hp-zone-label { opacity: 0.7; }

        /* Shareable Results Card */
        .hp-share-section {
            margin: 2rem 0;
            padding: 1.8rem;
            background: linear-gradient(135deg, rgba(0,204,255,0.05) 0%, rgba(0,255,136,0.04) 50%, rgba(255,0,102,0.03) 100%);
            border: 1px solid rgba(0,204,255,0.15);
            border-radius: 16px;
            position: relative;
            overflow: hidden;
        }
        .hp-share-section::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--neon-blue), var(--neon-green), transparent);
            opacity: 0.5;
        }
        .hp-share-card {
            background: linear-gradient(135deg, #0a0a1a 0%, #0f0f28 100%);
            border: 1px solid rgba(0,204,255,0.2);
            border-radius: 12px;
            padding: 1.6rem 1.8rem;
            margin-bottom: 1.2rem;
            position: relative;
            overflow: hidden;
        }
        .hp-share-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0,255,136,0.03) 0%, rgba(0,204,255,0.03) 50%, rgba(255,0,102,0.02) 100%);
            pointer-events: none;
        }
        .hp-share-card-brand {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.6rem;
            font-weight: 700;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hp-share-card-brand::after {
            content: '';
            flex: 1;
            height: 1px;
            background: rgba(255,255,255,0.05);
        }
        .hp-share-headline {
            font-family: 'Orbitron', sans-serif;
            font-size: clamp(1.4rem, 4vw, 1.9rem);
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        .hp-share-stats {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .hp-share-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hp-share-stat-label {
            font-size: 0.6rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--text-muted);
            font-family: 'Orbitron', sans-serif;
        }
        .hp-share-stat-val {
            font-family: 'Orbitron', sans-serif;
            font-size: 1rem;
            font-weight: 700;
        }
        .hp-share-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .hp-share-btn {
            flex: 1;
            min-width: 130px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            padding: 11px 18px;
            border-radius: 10px;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.68rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            cursor: pointer;
            transition: all 0.2s;
            border: none;
        }
        .hp-share-btn-copy {
            background: rgba(0,204,255,0.1);
            border: 1px solid rgba(0,204,255,0.3);
            color: var(--neon-blue);
        }
        .hp-share-btn-copy:hover {
            background: rgba(0,204,255,0.18);
            box-shadow: 0 0 20px rgba(0,204,255,0.12);
        }
        .hp-share-btn-twitter {
            background: rgba(0,0,0,0.4);
            border: 1px solid rgba(255,255,255,0.12);
            color: rgba(255,255,255,0.8);
        }
        .hp-share-btn-twitter:hover {
            border-color: rgba(255,255,255,0.25);
            background: rgba(255,255,255,0.07);
        }
        .hp-share-toast {
            position: fixed;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%) translateY(20px);
            background: var(--dark-card);
            border: 1px solid rgba(0,255,136,0.3);
            color: var(--neon-green);
            padding: 10px 22px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 600;
            opacity: 0;
            transition: all 0.3s;
            pointer-events: none;
            z-index: 200;
            white-space: nowrap;
        }
        .hp-share-toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        /* Email CTA below results */
        .hp-email-cta {
            margin: 2rem 0;
            padding: 1.8rem 2rem;
            background: linear-gradient(135deg, rgba(0,255,136,0.04) 0%, rgba(0,204,255,0.04) 100%);
            border: 1px solid rgba(0,255,136,0.12);
            border-radius: 16px;
            text-align: center;
        }
        .hp-email-cta-title {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.06em;
        }
        .hp-email-cta-sub {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
            line-height: 1.5;
        }
        .hp-email-cta .email-row {
            max-width: 420px;
            margin: 0 auto;
        }
        .hp-email-cta .email-row button {
            padding: 14px 22px;
            font-size: 0.68rem;
        }
        .hp-email-cta-perks {
            display: flex;
            justify-content: center;
            gap: 1.2rem;
            flex-wrap: wrap;
            margin-top: 0.9rem;
        }
        .hp-email-cta-perk {
            font-size: 0.72rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .hp-email-cta-perk::before {
            content: '✓';
            color: var(--neon-green);
            font-size: 0.7rem;
        }

        /* Try Another */
        .hp-try-another {
            display: block;
            margin: 0 auto;
            padding: 14px 36px;
            border: 1px solid rgba(0,204,255,0.3);
            border-radius: 10px;
            background: transparent;
            color: var(--neon-blue);
            font-family: 'Orbitron', sans-serif;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            cursor: pointer;
            transition: all 0.2s;
        }
        .hp-try-another:hover {
            background: rgba(0,204,255,0.08);
            box-shadow: 0 0 20px rgba(0,204,255,0.1);
        }

        /* === VALUE PROPS === */
        .value-props {
            padding: 6rem 2rem;
            max-width: 1100px;
            margin: 0 auto;
        }

        .section-label {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.72rem;
            letter-spacing: 0.25em;
            text-transform: uppercase;
            color: var(--neon-pink);
            margin-bottom: 1rem;
            text-align: center;
        }

        .section-title {
            font-family: 'Orbitron', sans-serif;
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 4rem;
            text-align: center;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .props-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .prop-card {
            background: linear-gradient(135deg, var(--dark-card) 0%, rgba(15,15,34,0.5) 100%);
            border: 1px solid rgba(0,255,136,0.06);
            border-radius: 16px;
            padding: 2.5rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: border-color 0.3s, transform 0.3s;
        }
        .prop-card:hover {
            border-color: rgba(0,255,136,0.2);
            transform: translateY(-4px);
        }
        .prop-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 2px;
            opacity: 0;
            transition: opacity 0.3s;
        }
        .prop-card:hover::before { opacity: 1; }
        .prop-card:nth-child(1)::before { background: linear-gradient(90deg, transparent, var(--neon-green), transparent); }
        .prop-card:nth-child(2)::before { background: linear-gradient(90deg, transparent, var(--neon-blue), transparent); }
        .prop-card:nth-child(3)::before { background: linear-gradient(90deg, transparent, var(--neon-pink), transparent); }

        .prop-icon {
            width: 56px; height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 1.5rem;
        }
        .prop-card:nth-child(1) .prop-icon {
            background: rgba(0,255,136,0.08);
            border: 1px solid rgba(0,255,136,0.15);
        }
        .prop-card:nth-child(2) .prop-icon {
            background: rgba(0,204,255,0.08);
            border: 1px solid rgba(0,204,255,0.15);
        }
        .prop-card:nth-child(3) .prop-icon {
            background: rgba(255,0,102,0.08);
            border: 1px solid rgba(255,0,102,0.15);
        }

        .prop-card h3 {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #fff;
        }
        .prop-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.65;
        }

        .prop-stat {
            margin-top: 1.2rem;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.72rem;
            letter-spacing: 0.1em;
            text-transform: uppercase;
        }
        .prop-card:nth-child(1) .prop-stat { color: var(--neon-green); }
        .prop-card:nth-child(2) .prop-stat { color: var(--neon-blue); }
        .prop-card:nth-child(3) .prop-stat { color: var(--neon-pink); }

        /* === COMPARISON === */
        .comparison {
            padding: 5rem 2rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(0,255,136,0.08);
            margin-top: 3rem;
        }
        .compare-table th, .compare-table td {
            padding: 14px 20px;
            text-align: left;
            font-size: 0.9rem;
        }
        .compare-table thead th {
            background: var(--dark-card);
            font-family: 'Orbitron', sans-serif;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(0,255,136,0.08);
        }
        .compare-table thead th:last-child {
            color: var(--neon-green);
        }
        .compare-table tbody tr {
            background: rgba(15,15,34,0.4);
        }
        .compare-table tbody tr:nth-child(even) {
            background: rgba(15,15,34,0.7);
        }
        .compare-table tbody td {
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255,255,255,0.02);
        }
        .compare-table tbody td:last-child {
            color: var(--neon-green);
            font-weight: 600;
        }
        .compare-table .highlight-cell {
            color: var(--neon-green);
            font-weight: 600;
        }

        /* === HOW IT WORKS === */
        .how-it-works {
            padding: 6rem 2rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .steps {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }
        .steps::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 0; bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--neon-green), var(--neon-blue), var(--neon-pink));
        }

        .step {
            display: flex;
            gap: 2rem;
            padding: 2rem 0;
            align-items: flex-start;
        }

        .step-number {
            font-family: 'Orbitron', sans-serif;
            font-weight: 900;
            font-size: 1.2rem;
            width: 50px; height: 50px;
            min-width: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        .step:nth-child(1) .step-number {
            background: rgba(0,255,136,0.1);
            border: 2px solid var(--neon-green);
            color: var(--neon-green);
            box-shadow: 0 0 20px rgba(0,255,136,0.15);
        }
        .step:nth-child(2) .step-number {
            background: rgba(0,204,255,0.1);
            border: 2px solid var(--neon-blue);
            color: var(--neon-blue);
            box-shadow: 0 0 20px rgba(0,204,255,0.15);
        }
        .step:nth-child(3) .step-number {
            background: rgba(255,0,102,0.1);
            border: 2px solid var(--neon-pink);
            color: var(--neon-pink);
            box-shadow: 0 0 20px rgba(255,0,102,0.15);
        }

        .step-content h3 {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .step-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* === CLOSING CTA === */
        .closing {
            padding: 8rem 2rem 4rem;
            text-align: center;
            position: relative;
        }
        .closing::before {
            content: '';
            position: absolute;
            top: 0; left: 50%;
            transform: translateX(-50%);
            width: 1px; height: 80px;
            background: linear-gradient(to bottom, transparent, var(--neon-green));
        }

        .closing h2 {
            font-family: 'Orbitron', sans-serif;
            font-size: clamp(1.8rem, 4.5vw, 3rem);
            font-weight: 900;
            line-height: 1.2;
            max-width: 650px;
            margin: 0 auto 1.5rem;
        }
        .closing h2 .accent-green {
            background: linear-gradient(135deg, var(--neon-green), #00aa5c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .closing h2 .accent-pink {
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .closing p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 480px;
            margin: 0 auto 2rem;
        }

        /* Bottom waitlist form */
        .closing .waitlist-form {
            max-width: 440px;
        }

        /* === FOOTER === */
        footer {
            padding: 3rem 2rem;
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.03);
        }
        .footer-brand {
            font-family: 'Orbitron', sans-serif;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.12em;
            color: var(--text-muted);
        }
        .footer-sub {
            font-size: 0.72rem;
            color: rgba(122,122,154,0.5);
            margin-top: 0.5rem;
        }

        /* === RESPONSIVE === */
        @media (max-width: 768px) {
            .props-grid { grid-template-columns: 1fr; }
            .compare-table th, .compare-table td { padding: 10px 12px; font-size: 0.82rem; }
            .steps::before { left: 19px; }
            .step-number { width: 40px; height: 40px; min-width: 40px; font-size: 1rem; }
            .step { gap: 1.2rem; }
            .email-row { flex-direction: column; }
            .email-row button { padding: 14px; }
            .hp-features { grid-template-columns: 1fr; }
            .hp-score-ring { width: 170px; height: 170px; }
            .hp-score-value { font-size: 2.2rem; }
            .hp-upload-area { padding: 1.5rem 0.5rem; }
        }

        @media (max-width: 480px) {
            .hero { padding: 6rem 1.2rem 3rem; }
            .top-nav { padding: 0.8rem 1rem; }
            .nav-btn { padding: 6px 14px; font-size: 0.65rem; }
            .nav-btn-blue { display: none; }
            .hp-score-ring { width: 150px; height: 150px; }
            .hp-score-value { font-size: 1.8rem; }
            .hp-feature { padding: 1rem; }
            /* Mobile: bigger touch targets */
            .hp-revolver-scene { max-width: 520px; }
            .hp-revolver-hint { font-size: 0.65rem; }
            .hp-share-actions { flex-direction: column; }
            .hp-share-btn { min-width: 0; width: 100%; }
            .hp-share-stats { gap: 0.8rem; }
            .hp-email-cta { padding: 1.4rem 1rem; }
            /* Mobile Safari: file input uses inline iOS-safe positioning */
        }

        /* === EARWORM FEATURE (full-width in grid) === */
        .hp-feature-earworm {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, var(--dark-card) 0%, rgba(255,230,0,0.03) 100%);
            border-color: rgba(255,230,0,0.12);
        }
        .hp-feature-earworm .hp-feature-name { color: var(--neon-yellow); }

        /* === HIT PREDICTOR V2 === */
        .hp-v2-section { margin-top: 20px; margin-bottom: 2rem; }
        .hp-v2-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 14px;
            padding: 20px 22px;
        }
        .hp-v2-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2px;
        }
        .hp-v2-title {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: rgba(255,255,255,0.45);
            font-weight: 600;
        }
        .hp-v2-badge {
            background: rgba(0,204,255,0.18);
            color: var(--neon-blue);
            font-size: 0.68rem;
            padding: 1px 7px;
            border-radius: 20px;
            margin-left: 6px;
            letter-spacing: 0.06em;
        }
        .hp-v2-score-wrap { display: flex; align-items: baseline; gap: 2px; }
        .hp-v2-score { font-size: 2.5rem; font-weight: 700; line-height: 1; letter-spacing: -0.02em; }
        .hp-v2-score-max { font-size: 1rem; color: rgba(255,255,255,0.28); }
        .hp-v2-label {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.14em;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .hp-v2-why-btn {
            background: none;
            border: 1px solid rgba(255,255,255,0.14);
            color: rgba(255,255,255,0.55);
            padding: 12px 18px;
            border-radius: 20px;
            font-size: 0.80rem;
            cursor: pointer;
            transition: border-color 0.2s, color 0.2s;
            letter-spacing: 0.05em;
            -webkit-tap-highlight-color: rgba(0,204,255,0.15);
            touch-action: manipulation;
            min-height: 44px;
            width: 100%;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .hp-v2-why-btn:hover, .hp-v2-why-btn:active { border-color: var(--neon-blue); color: var(--neon-blue); }
        .hp-v2-breakdown {
            margin-top: 16px;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 16px;
        }
        .hp-v2-rule { margin-bottom: 16px; }
        .hp-v2-rule:last-of-type { margin-bottom: 0; }
        .hp-v2-rule-header { display: flex; align-items: center; gap: 8px; margin-bottom: 3px; }
        .hp-v2-rule-icon { font-size: 0.88rem; font-weight: 700; width: 16px; flex-shrink: 0; text-align: center; }
        .hp-v2-rule-label { flex: 1; font-size: 0.82rem; color: rgba(255,255,255,0.85); font-weight: 500; }
        .hp-v2-rule-pts { font-size: 0.77rem; font-weight: 700; font-variant-numeric: tabular-nums; }
        .hp-v2-rule-desc { font-size: 0.71rem; color: rgba(255,255,255,0.38); margin: 2px 0 5px 24px; line-height: 1.4; }
        .hp-v2-rule-bar-bg { height: 4px; background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden; margin-left: 24px; }
        .hp-v2-rule-bar { height: 100%; border-radius: 2px; transition: width 0.8s ease-out; width: 0; }
        .hp-v2-total-row {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
            font-weight: 600;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 10px;
            margin-top: 10px;
        }

        /* === GENRE PREDICTION === */
        .hp-genre-section {
            background: var(--dark-card);
            border: 1px solid rgba(0,204,255,0.08);
            border-radius: 14px;
            padding: 1.5rem 1.6rem;
            margin-bottom: 2.5rem;
        }
        .hp-genre-header {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.62rem;
            font-weight: 700;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .hp-genre-header::after {
            content: '';
            flex: 1;
            height: 1px;
            background: rgba(255,255,255,0.04);
        }
        .hp-genre-list { display: flex; flex-direction: column; gap: 0.9rem; }
        .hp-genre-item {
            display: flex;
            align-items: center;
            gap: 0.9rem;
        }
        .hp-genre-rank {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.58rem;
            font-weight: 700;
            color: var(--text-muted);
            width: 22px;
            text-align: center;
            flex-shrink: 0;
        }
        .hp-genre-name {
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--text-primary);
            min-width: 140px;
            flex-shrink: 0;
        }
        .hp-genre-bar-bg {
            flex: 1;
            height: 5px;
            background: rgba(255,255,255,0.05);
            border-radius: 3px;
            overflow: hidden;
        }
        .hp-genre-bar {
            height: 100%;
            border-radius: 3px;
            transition: width 1.1s ease-out;
        }
        .hp-genre-pct {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.7rem;
            font-weight: 700;
            min-width: 38px;
            text-align: right;
            flex-shrink: 0;
        }
        @media (max-width: 480px) {
            .hp-genre-name { min-width: 100px; font-size: 0.78rem; }
        }

        /* ── Score Gamification ── */
        @keyframes scoreGlowFire {
            0%   { box-shadow: 0 0 0 0 rgba(0,255,136,0); filter: brightness(1); }
            30%  { box-shadow: 0 0 60px 20px rgba(0,255,136,0.55), 0 0 120px 40px rgba(0,204,255,0.3); filter: brightness(1.18); }
            60%  { box-shadow: 0 0 40px 12px rgba(0,255,136,0.35), 0 0 80px 20px rgba(0,204,255,0.2); filter: brightness(1.1); }
            100% { box-shadow: 0 0 20px 6px rgba(0,255,136,0.2), 0 0 40px 10px rgba(0,204,255,0.12); filter: brightness(1.05); }
        }
        @keyframes scoreGlowGood {
            0%   { box-shadow: 0 0 0 0 rgba(0,204,255,0); }
            50%  { box-shadow: 0 0 30px 10px rgba(0,204,255,0.4); }
            100% { box-shadow: 0 0 15px 5px rgba(0,204,255,0.15); }
        }
        @keyframes scoreShake {
            0%,100% { transform: translateX(0); }
            10%     { transform: translateX(-6px) rotate(-1.5deg); }
            20%     { transform: translateX(6px) rotate(1.5deg); }
            30%     { transform: translateX(-5px) rotate(-1deg); }
            40%     { transform: translateX(5px) rotate(1deg); }
            50%     { transform: translateX(-3px); }
            60%     { transform: translateX(3px); }
            70%     { transform: translateX(-1px); }
        }
        @keyframes tierBadgeIn {
            0%   { opacity: 0; transform: scale(0.4) translateY(10px); }
            60%  { opacity: 1; transform: scale(1.12) translateY(-2px); }
            100% { opacity: 1; transform: scale(1) translateY(0); }
        }
        @keyframes tierBadgePulseFire {
            0%,100% { box-shadow: 0 0 10px 2px rgba(0,255,136,0.5); }
            50%     { box-shadow: 0 0 24px 8px rgba(0,255,136,0.9), 0 0 40px 14px rgba(255,204,0,0.4); }
        }
        @keyframes tierBadgePulseGood {
            0%,100% { box-shadow: 0 0 6px 1px rgba(0,204,255,0.4); }
            50%     { box-shadow: 0 0 18px 6px rgba(0,204,255,0.8); }
        }
        @keyframes scoreValuePop {
            0%   { transform: translate(-50%,-60%) scale(1); }
            40%  { transform: translate(-50%,-60%) scale(1.22); }
            70%  { transform: translate(-50%,-60%) scale(0.95); }
            100% { transform: translate(-50%,-60%) scale(1); }
        }
        @keyframes arcGlowPulse {
            0%,100% { filter: drop-shadow(0 0 4px currentColor); }
            50%     { filter: drop-shadow(0 0 16px currentColor) drop-shadow(0 0 32px currentColor); }
        }
        @keyframes sharePromptIn {
            0%   { opacity: 0; transform: translateY(18px) scale(0.96); }
            100% { opacity: 1; transform: translateY(0) scale(1); }
        }
        .hp-score-ring.tier-fire {
            animation: scoreGlowFire 1.8s ease-out forwards;
        }
        .hp-score-ring.tier-good {
            animation: scoreGlowGood 1.5s ease-out forwards;
        }
        .hp-score-ring.shake {
            animation: scoreShake 0.55s cubic-bezier(.36,.07,.19,.97) forwards;
        }
        .hp-score-arc-glow {
            animation: arcGlowPulse 1.4s ease-in-out 3;
        }
        .hp-score-value-pop {
            animation: scoreValuePop 0.5s cubic-bezier(.34,1.56,.64,1) forwards;
        }
        /* Tier badge */
        #hp-tier-badge {
            display: none;
            text-align: center;
            margin-top: 1rem;
        }
        .hp-tier-badge-inner {
            display: inline-block;
            padding: 0.45rem 1.2rem;
            border-radius: 999px;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.75rem;
            font-weight: 900;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            animation: tierBadgeIn 0.5s cubic-bezier(.34,1.56,.64,1) forwards;
        }
        .hp-tier-badge-inner.fire {
            background: linear-gradient(135deg, rgba(0,255,136,0.18), rgba(255,204,0,0.1));
            border: 1.5px solid rgba(0,255,136,0.7);
            color: #00ff88;
            animation: tierBadgeIn 0.5s cubic-bezier(.34,1.56,.64,1) forwards, tierBadgePulseFire 1.8s ease-in-out 0.6s 4;
        }
        .hp-tier-badge-inner.good {
            background: linear-gradient(135deg, rgba(0,204,255,0.15), rgba(0,255,136,0.08));
            border: 1.5px solid rgba(0,204,255,0.6);
            color: #00ccff;
            animation: tierBadgeIn 0.5s cubic-bezier(.34,1.56,.64,1) forwards, tierBadgePulseGood 2s ease-in-out 0.6s 3;
        }
        .hp-tier-badge-inner.middle {
            background: rgba(255,204,0,0.08);
            border: 1px solid rgba(255,204,0,0.35);
            color: #ffcc00;
        }
        .hp-tier-badge-inner.subpar {
            background: rgba(255,100,68,0.08);
            border: 1px solid rgba(255,100,68,0.3);
            color: #ff9944;
        }
        /* Confetti canvas */
        #hp-confetti-canvas {
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            pointer-events: none;
            z-index: 9999;
        }
        /* High-score share prompt */
        #hp-fire-share-prompt {
            display: none;
            margin: 1.25rem 0 0.5rem;
            padding: 1.1rem 1.4rem;
            background: linear-gradient(135deg, rgba(0,255,136,0.1), rgba(0,204,255,0.08));
            border: 1.5px solid rgba(0,255,136,0.4);
            border-radius: 14px;
            text-align: center;
            animation: sharePromptIn 0.5s cubic-bezier(.34,1.56,.64,1) forwards;
        }
        #hp-fire-share-prompt .fire-share-headline {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.88rem;
            font-weight: 900;
            color: #00ff88;
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
        }
        #hp-fire-share-prompt .fire-share-sub {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.55);
            margin-bottom: 0.85rem;
        }
        #hp-fire-share-prompt .fire-share-btns {
            display: flex;
            gap: 0.6rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        #hp-fire-share-prompt .fire-share-btns button {
            padding: 0.5rem 1.1rem;
            border-radius: 8px;
            border: none;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.68rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            cursor: pointer;
            transition: opacity 0.15s;
        }
        #hp-fire-share-prompt .fire-share-btns button:hover { opacity: 0.85; }
        #hp-fire-share-prompt .fire-share-btns .btn-fire-x {
            background: #000;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.2);
        }
        #hp-fire-share-prompt .fire-share-btns .btn-fire-copy {
            background: linear-gradient(135deg, #00ff88, #00ccff);
            color: #000;
        }
