/* Navigation */
        

        .nav-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        

        

        .nav-link {
            color: var(--gray-text);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.2s;
        }

        .nav-link:hover { color: var(--purple-main); }

        /* Hero Section */
        

        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, hsl(41, 61%, 56%, 0.15) 0%, transparent 70%);
        }

        

        

        

        

        

        .hero-subtitle {
            font-size: 19px;
            color: hsl(0, 0%, 100%, 0.85);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        

        .stat {
            display: flex;
            flex-direction: column;
        }

        

        

        /* Form Card */
        

        

        .form-card .form-subtitle {
            font-size: 15px;
            color: var(--gray-text);
            text-align: center;
            margin-bottom: 24px;
        }

        

        

        

        

        

        

        

        .form-privacy {
            font-size: 12px;
            color: var(--gray-text);
            text-align: center;
            margin-top: 16px;
        }

        .form-privacy svg {
            width: 14px;
            height: 14px;
            stroke: var(--green-main);
            stroke-width: 2;
            fill: none;
            vertical-align: -2px;
            margin-right: 4px;
        }

        /* What's Inside Section */
        .inside-section {
            padding: 80px 40px;
            background: var(--gray-light);
        }

        .inside-inner {
            max-width: 900px;
            margin: 0 auto;
        }

        

        .inside-section h2 {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 36px;
            font-weight: 700;
            color: var(--purple-deep);
            text-align: center;
            margin-bottom: 48px;
        }

        

        .inside-item {
            background: var(--white);
            border-radius: 12px;
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--gray-mid);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .inside-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px hsl(261, 49%, 21%, 0.08);
        }

        .inside-number {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--orange-main) 0%, var(--purple-deep) 100%);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 18px;
            font-weight: 700;
            margin: 0 auto 16px;
        }

        .inside-item h3 {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 15px;
            font-weight: 600;
            color: var(--purple-deep);
            line-height: 1.3;
        }

        /* Speed Tiers Section */
        .speed-section {
            padding: 80px 40px;
            background: var(--white);
        }

        .speed-inner {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .speed-section h2 {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 36px;
            font-weight: 700;
            color: var(--purple-deep);
            margin-bottom: 20px;
        }

        .speed-section .lead {
            font-size: 18px;
            color: var(--gray-text);
            margin-bottom: 48px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .speed-tiers {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .speed-tier {
            background: var(--gray-light);
            border-radius: 16px;
            padding: 28px 20px;
            text-align: center;
            border: 2px solid var(--gray-mid);
            transition: all 0.2s;
        }

        .speed-tier.best {
            background: linear-gradient(135deg, hsl(21, 100%, 45%, 0.1) 0%, hsl(20, 100%, 66%, 0.1) 100%);
            border-color: var(--orange-main);
            transform: scale(1.05);
        }

        .speed-tier .time {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--purple-deep);
            margin-bottom: 4px;
        }

        .speed-tier.best .time {
            color: var(--orange-main);
        }

        .speed-tier .label {
            font-size: 12px;
            color: var(--gray-text);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .speed-tier .multiplier {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 40px;
            font-weight: 700;
            color: var(--gray-text);
        }

        .speed-tier.best .multiplier {
            color: var(--orange-main);
        }

        .speed-tier .mult-label {
            font-size: 13px;
            color: var(--gray-text);
        }

        .speed-tier.best .mult-label {
            color: var(--orange-main);
            font-weight: 600;
        }

        /* Problem Section */
        .problem-section {
            padding: 80px 40px;
            background: var(--gray-light);
        }

        .problem-inner {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .problem-section h2 {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 36px;
            font-weight: 700;
            color: var(--purple-deep);
            margin-bottom: 20px;
        }

        .problem-section .lead {
            font-size: 18px;
            color: var(--gray-text);
            margin-bottom: 48px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .problem-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            text-align: left;
        }

        .problem-card {
            background: var(--white);
            border-radius: 12px;
            padding: 28px;
            border-left: 4px solid var(--red-main);
        }

        .problem-card h3 {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 18px;
            font-weight: 600;
            color: var(--purple-deep);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .problem-card h3 svg {
            width: 20px;
            height: 20px;
            stroke: var(--red-main);
            stroke-width: 2;
            fill: none;
        }

        .problem-card p {
            font-size: 15px;
            color: var(--gray-text);
            margin-bottom: 12px;
        }

        .problem-stat {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 24px;
            font-weight: 700;
            color: var(--red-main);
        }

        /* Math Section */
        .math-section {
            padding: 60px 40px;
            background: linear-gradient(135deg, var(--purple-deep) 0%, var(--orange-main) 100%);
            position: relative;
            overflow: hidden;
        }

        .math-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, hsl(41, 61%, 56%, 0.1) 0%, transparent 70%);
        }

        .math-inner {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .math-section h2 {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--white);
            text-align: center;
            margin-bottom: 32px;
        }

        .math-equation {
            background: hsl(0, 0%, 100%, 0.1);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
            backdrop-filter: blur(10px);
        }

        .equation-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

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

        .equation-item .num {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 36px;
            font-weight: 700;
            color: var(--white);
        }

        .equation-item .num.gold {
            color: var(--gold-main);
        }

        .equation-item .label {
            font-size: 12px;
            color: hsl(0, 0%, 100%, 0.7);
        }

        .equation-operator {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 28px;
            color: hsl(0, 0%, 100%, 0.5);
        }

        .math-note {
            text-align: center;
            margin-top: 24px;
            font-size: 15px;
            color: hsl(0, 0%, 100%, 0.8);
        }

        .math-note strong {
            color: var(--gold-main);
        }

        /* Preview Section */
        .preview-section {
            padding: 80px 40px;
            background: var(--white);
        }

        .preview-inner {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }

        .preview-section h2 {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 32px;
            font-weight: 700;
            color: var(--purple-deep);
            margin-bottom: 32px;
        }

        .preview-image {
            background: var(--gray-light);
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 20px 60px hsl(261, 49%, 21%, 0.1);
            margin-bottom: 32px;
        }

        .preview-mockup {
            background: linear-gradient(135deg, var(--orange-main) 0%, var(--purple-deep) 100%);
            border-radius: 8px;
            padding: 30px;
            color: var(--white);
            text-align: left;
        }

        .preview-mockup .mock-logo {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .preview-mockup .mock-logo span { color: var(--gold-main); }

        .preview-mockup h3 {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .preview-list {
            list-style: none;
        }

        .preview-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid hsl(0, 0%, 100%, 0.1);
            font-size: 14px;
        }

        .preview-list li:last-child {
            border-bottom: none;
        }

        .preview-checkbox {
            width: 20px;
            height: 20px;
            border: 2px solid hsl(0, 0%, 100%, 0.5);
            border-radius: 4px;
            flex-shrink: 0;
        }

        .preview-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--orange-main) 0%, var(--orange-light) 100%);
            color: var(--white);
            padding: 16px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .preview-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px hsl(21, 100%, 45%, 0.3);
        }

        .preview-cta svg {
            width: 20px;
            height: 20px;
            stroke: currentColor;
            stroke-width: 2.5;
            fill: none;
        }

        /* Final CTA Section */
        

        .final-inner {
            max-width: 500px;
            margin: 0 auto;
        }

        

        .final-cta .subtitle {
            font-size: 17px;
            color: var(--gray-text);
            text-align: center;
            margin-bottom: 32px;
        }

        .final-form {
            background: var(--white);
            border-radius: 16px;
            padding: 32px;
        }

        /* Footer */
        

        .footer-logo {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-logo span { color: var(--gold-main); }

        .footer p {
            font-size: 14px;
            color: var(--purple-light);
        }

        

        

        /* Responsive */
        @media (max-width: 900px) {
            

            

            

            

            

            

            .speed-tiers {
                grid-template-columns: repeat(2, 1fr);
            }

            .problem-cards {
                grid-template-columns: 1fr;
            }

            .equation-row {
                flex-direction: column;
                gap: 12px;
            }
        }

        @media (max-width: 600px) {
            

            

            

            

            .speed-tiers {
                grid-template-columns: 1fr;
            }

            .speed-tier.best {
                transform: none;
            }
        }