<style>
    /* Reset & Base */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
        --primary: #f27e00;
        --primary-dark: #d96f00;
        --primary-light: #ff9a2e;
        --primary-bg: #FFF5EB;
        --secondary: #1A1A2E;
        --accent: #C71100;
        --accent-dark: #a50e00;
        --text: #2D2D3F;
        --text-light: #6B7280;
        --text-lighter: #9CA3AF;
        --bg: #FFFFFF;
        --bg-alt: #FBF7F4;
        --bg-dark: #1a1008;
        --border: #E5E7EB;
        --border-light: #F3F4F6;
        --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
        --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
        --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
        --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
        --radius: 12px;
        --radius-lg: 16px;
        --radius-xl: 24px;
        --persona-personal: #f27e00;
        --persona-org: #C71100;
        --persona-platform: #f27e00;
        --check-color: #f27e00;
    }

    html { scroll-behavior: smooth; }

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        color: var(--text);
        line-height: 1.6;
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4, h5, h6 { line-height: 1.2; font-weight: 700; }
    h1 { font-size: clamp(2.5rem, 5vw, 3.75rem); letter-spacing: -0.02em; }
    h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; }
    h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; height: auto; }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 28px;
        border-radius: 50px;
        font-size: 1rem;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        white-space: nowrap;
    }

    .btn-primary {
        background: var(--accent);
        color: white;
        box-shadow: 0 4px 14px rgba(199, 17, 0, 0.35);
    }

    .btn-primary:hover {
        background: var(--accent-dark);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(199, 17, 0, 0.45);
    }

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

    .btn-secondary:hover {
        background: var(--primary-bg);
        transform: translateY(-2px);
    }

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

    .btn-white:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }

    .btn-ghost {
        background: rgba(255,255,255,0.1);
        color: white;
        border: 1px solid rgba(255,255,255,0.2);
    }

    .btn-ghost:hover {
        background: rgba(255,255,255,0.2);
    }

    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        background: var(--primary-bg);
        color: var(--primary);
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 600;
    }

    .section { padding: 120px 0; }
    .section-alt { background: var(--bg-alt); }
    .section-dark { background: var(--bg-dark); color: white; }

    .section-header {
        text-align: center;
        max-width: 640px;
        margin: 0 auto 64px;
    }

    .section-header .badge { margin-bottom: 16px; }

    .section-header h2 {
        margin-bottom: 16px;
        color: var(--secondary);
    }

    .section-dark .section-header h2 { color: white; }

    .section-header p {
        font-size: 1.15rem;
        color: var(--text-light);
        line-height: 1.7;
    }

    .section-dark .section-header p { color: rgba(255,255,255,0.6); }

    /* ============ NAVBAR ============ */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        padding: 16px 0;
        transition: all 0.3s ease;
    }

    .navbar.scrolled {
        background: rgba(255,255,255,0.95);
        backdrop-filter: blur(20px);
        box-shadow: var(--shadow-sm);
        padding: 12px 0;
    }

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

    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--primary);
    }

    .nav-logo svg { width: 32px; height: 32px; }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 32px;
        list-style: none;
    }

    .nav-links a {
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--text-light);
        transition: color 0.2s;
    }

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

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .nav-actions .btn { padding: 10px 22px; font-size: 0.9rem; }

    .nav-login {
        font-weight: 500;
        color: var(--text-light);
        transition: color 0.2s;
    }

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

    .lang-switcher {
        display: flex;
        align-items: center;
        gap: 4px;
        margin-left: 8px;
    }

    .lang-switcher a {
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--text-lighter);
        padding: 4px 8px;
        border-radius: 6px;
        transition: all 0.2s;
        text-transform: uppercase;
    }

    .lang-switcher a:hover {
        color: var(--primary);
        background: var(--primary-bg);
    }

    .lang-switcher a.active {
        color: var(--primary);
        background: var(--primary-bg);
    }

    .mobile-menu .lang-switcher {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-light);
    }

    .mobile-menu .lang-switcher a {
        font-size: 1rem;
        padding: 8px 12px;
    }

    .menu-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 4px;
    }

    .menu-toggle span {
        width: 24px;
        height: 2px;
        background: var(--text);
        border-radius: 2px;
        transition: all 0.3s;
    }

    .mobile-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: white;
        z-index: 999;
        padding: 80px 24px 24px;
        flex-direction: column;
        gap: 24px;
    }

    .mobile-menu.active { display: flex; }

    .mobile-menu a {
        font-size: 1.25rem;
        font-weight: 500;
        color: var(--text);
        padding: 12px 0;
        border-bottom: 1px solid var(--border-light);
    }

    .mobile-menu .btn {
        margin-top: 12px;
        justify-content: center;
    }

    /* ============ HERO ============ */
    .hero {
        padding: 160px 0 120px;
        background: linear-gradient(135deg, #FFF5EB 0%, #FFE8D0 50%, #FBF7F4 100%);
        overflow: hidden;
        position: relative;
    }

    .hero::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 800px;
        height: 800px;
        background: radial-gradient(circle, rgba(242,126,0,0.08) 0%, transparent 70%);
        border-radius: 50%;
    }

    .hero .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 64px;
        align-items: center;
    }

    .hero-content { position: relative; z-index: 1; }
    .hero-content .badge { margin-bottom: 24px; }

    .hero-content h1 {
        margin-bottom: 20px;
        color: var(--secondary);
    }

    .hero-subtitle {
        font-size: 1.35rem;
        font-weight: 500;
        color: var(--primary);
        margin-bottom: 12px;
    }

    .hero-desc {
        font-size: 1.15rem;
        color: var(--text-light);
        line-height: 1.7;
        margin-bottom: 36px;
    }

    .hero-actions {
        display: flex;
        gap: 16px;
        margin-bottom: 48px;
        flex-wrap: wrap;
    }

    .hero-stats {
        display: flex;
        gap: 40px;
    }

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

    .hero-stat-value {
        font-size: 2rem;
        font-weight: 800;
        color: var(--primary);
    }

    .hero-stat-label {
        font-size: 0.85rem;
        color: var(--text-light);
        font-weight: 500;
    }

    .hero-visual { position: relative; }

    .hero-chat-window {
        background: white;
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow-xl);
        overflow: hidden;
        position: relative;
    }

    .hero-chat-header {
        padding: 16px 24px;
        background: var(--primary);
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .hero-chat-header-dot {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: rgba(255,255,255,0.3);
    }

    .hero-chat-header-dot:first-child { background: #FF6B6B; }
    .hero-chat-header-dot:nth-child(2) { background: #FFD93D; }
    .hero-chat-header-dot:nth-child(3) { background: #6BCB77; }

    .hero-chat-body { padding: 24px; }

    .hero-msg {
        display: flex;
        gap: 12px;
        margin-bottom: 20px;
    }

    .hero-msg-avatar {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        font-weight: 700;
        flex-shrink: 0;
    }

    .hero-msg-avatar.user {
        background: var(--primary-bg);
        color: var(--primary);
    }

    .hero-msg-avatar.ai {
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        color: white;
    }

    .hero-msg-bubble {
        background: var(--bg-alt);
        padding: 12px 16px;
        border-radius: var(--radius);
        font-size: 0.9rem;
        line-height: 1.6;
        max-width: 85%;
    }

    .hero-msg-bubble.ai-bubble {
        background: var(--primary-bg);
        border: 1px solid rgba(242,126,0,0.15);
    }

    .hero-float-badge {
        position: absolute;
        background: white;
        padding: 12px 20px;
        border-radius: var(--radius);
        box-shadow: var(--shadow-lg);
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.9rem;
        font-weight: 600;
        animation: float 3s ease-in-out infinite;
    }

    .hero-float-badge.top-right {
        top: -20px;
        right: -20px;
    }

    .hero-float-badge.bottom-left {
        bottom: 40px;
        left: -30px;
        animation-delay: -1.5s;
    }

    .hero-float-badge svg {
        width: 20px;
        height: 20px;
        color: var(--primary);
    }

    @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-10px); }
    }

    /* ============ BILLING SECTION ============ */
    .billing-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
        max-width: 900px;
        margin: 0 auto;
    }

    .billing-card {
        background: white;
        border-radius: var(--radius-lg);
        padding: 40px;
        border: 1px solid var(--border);
        transition: all 0.3s;
        position: relative;
    }

    .billing-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary);
    }

    .billing-card-badge {
        font-size: 0.8rem;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 50px;
        margin-bottom: 20px;
        display: inline-block;
    }

    .billing-card:first-child .billing-card-badge {
        background: var(--primary-bg);
        color: var(--primary);
    }

    .billing-card:last-child .billing-card-badge {
        background: #FFF0EE;
        color: var(--accent);
    }

    .billing-card-icon {
        width: 56px;
        height: 56px;
        border-radius: var(--radius);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
    }

    .billing-card:first-child .billing-card-icon {
        background: var(--primary-bg);
        color: var(--primary);
    }

    .billing-card:last-child .billing-card-icon {
        background: #FFF0EE;
        color: var(--accent);
    }

    .billing-card h3 {
        margin-bottom: 12px;
        font-size: 1.35rem;
    }

    .billing-card > p {
        color: var(--text-light);
        margin-bottom: 24px;
        line-height: 1.6;
    }

    .billing-card ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .billing-card li {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.95rem;
    }

    .billing-card li svg {
        width: 20px;
        height: 20px;
        color: var(--check-color);
        flex-shrink: 0;
    }

    /* ============ PRICING SECTION ============ */
    .pricing-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 64px;
        align-items: center;
    }

    .pricing-features {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .pricing-feature {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .pricing-feature-icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius);
        background: var(--primary-bg);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .pricing-feature-icon svg {
        width: 24px;
        height: 24px;
        color: var(--primary);
    }

    .pricing-feature span {
        font-size: 1.05rem;
        font-weight: 500;
    }

    .pricing-calculator {
        background: white;
        border-radius: var(--radius-lg);
        padding: 36px;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border);
    }

    .pricing-calculator h3 {
        margin-bottom: 24px;
        font-size: 1.15rem;
    }

    .pricing-row {
        display: flex;
        justify-content: space-between;
        padding: 12px 0;
        border-bottom: 1px solid var(--border-light);
        font-size: 0.95rem;
    }

    .pricing-row:last-child {
        border-bottom: none;
        padding-top: 16px;
        margin-top: 4px;
        border-top: 2px solid var(--primary);
        font-weight: 700;
        font-size: 1.1rem;
        color: var(--primary);
    }

    .pricing-row span:last-child {
        font-weight: 600;
        color: var(--text);
    }

    .pricing-row:last-child span:last-child { color: var(--primary); }

    /* ============ PROJECT TYPES ============ */
    .project-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
        max-width: 900px;
        margin: 0 auto;
    }

    .project-card {
        background: white;
        border-radius: var(--radius-lg);
        padding: 36px;
        border: 1px solid var(--border);
        transition: all 0.3s;
    }

    .project-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }

    .project-card-header {
        display: flex;
        align-items: center;
        gap: 16px;
        margin-bottom: 20px;
    }

    .project-card-icon {
        width: 52px;
        height: 52px;
        border-radius: var(--radius);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .project-card:first-child .project-card-icon {
        background: var(--primary-bg);
        color: var(--primary);
    }

    .project-card:last-child .project-card-icon {
        background: #FFF0EE;
        color: var(--accent);
    }

    .project-card-header h3 { font-size: 1.15rem; }

    .project-card-header .tag {
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--text-light);
    }

    .project-card > p {
        color: var(--text-light);
        margin-bottom: 24px;
        line-height: 1.6;
    }

    .project-card-billing {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px;
        background: var(--bg-alt);
        border-radius: var(--radius);
    }

    .project-card-billing svg {
        width: 24px;
        height: 24px;
        flex-shrink: 0;
    }

    .project-card:first-child .project-card-billing svg { color: var(--primary); }
    .project-card:last-child .project-card-billing svg { color: var(--accent); }

    .project-card-billing-text { font-size: 0.9rem; }

    .project-card-billing-text strong {
        display: block;
        margin-bottom: 2px;
    }

    .project-card-billing-text span {
        color: var(--text-light);
        font-size: 0.85rem;
    }

    /* ============ FEATURES GRID ============ */
    .features-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .feature-card {
        background: white;
        border-radius: var(--radius-lg);
        padding: 36px;
        border: 1px solid var(--border);
        transition: all 0.3s;
    }

    .feature-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary);
    }

    .feature-card-icon {
        width: 52px;
        height: 52px;
        border-radius: var(--radius);
        background: var(--primary-bg);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
    }

    .feature-card-icon svg {
        width: 26px;
        height: 26px;
        color: var(--primary);
    }

    .feature-card h3 {
        margin-bottom: 10px;
        font-size: 1.15rem;
    }

    .feature-card p {
        color: var(--text-light);
        font-size: 0.95rem;
        line-height: 1.6;
    }

    /* ============ AI PERSONAS SECTION ============ */
    .personas-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 64px;
        align-items: center;
    }

    .personas-visual { position: relative; }

    .personas-stack {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .persona-card-demo {
        background: white;
        border-radius: var(--radius-lg);
        padding: 24px;
        border: 1px solid var(--border);
        display: flex;
        align-items: center;
        gap: 16px;
        transition: all 0.3s;
        position: relative;
        overflow: hidden;
    }

    .persona-card-demo::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
    }

    .persona-card-demo.personal::before { background: var(--persona-personal); }
    .persona-card-demo.org::before { background: var(--persona-org); }
    .persona-card-demo.platform::before { background: var(--persona-platform); }

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

    .persona-avatar {
        width: 48px;
        height: 48px;
        border-radius: var(--radius);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        flex-shrink: 0;
    }

    .persona-card-demo.personal .persona-avatar { background: var(--primary-bg); }
    .persona-card-demo.org .persona-avatar { background: #FFF0EE; }
    .persona-card-demo.platform .persona-avatar { background: #FFF5EB; }

    .persona-info { flex: 1; }

    .persona-info h4 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 2px;
    }

    .persona-info p {
        font-size: 0.85rem;
        color: var(--text-light);
        margin: 0;
    }

    .persona-scope-tag {
        font-size: 0.7rem;
        font-weight: 700;
        padding: 3px 10px;
        border-radius: 50px;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        white-space: nowrap;
    }

    .persona-scope-tag.personal { background: var(--primary-bg); color: var(--primary); }
    .persona-scope-tag.org { background: #FFF0EE; color: var(--accent); }
    .persona-scope-tag.platform { background: #FFF5EB; color: var(--primary-dark); }

    .personas-text h2 { color: var(--secondary); margin-bottom: 16px; }

    .personas-text > p {
        font-size: 1.15rem;
        color: var(--text-light);
        line-height: 1.7;
        margin-bottom: 32px;
    }

    .persona-tiers {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .persona-tier {
        display: flex;
        gap: 16px;
        align-items: flex-start;
    }

    .persona-tier-icon {
        width: 44px;
        height: 44px;
        border-radius: var(--radius);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        font-size: 1.2rem;
    }

    .persona-tier-icon.personal { background: var(--primary-bg); }
    .persona-tier-icon.org { background: #FFF0EE; }
    .persona-tier-icon.platform { background: #FFF5EB; }

    .persona-tier-text h4 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 4px;
    }

    .persona-tier-text p {
        font-size: 0.9rem;
        color: var(--text-light);
        line-height: 1.5;
    }

    .persona-plain-note {
        margin-top: 28px;
        padding: 16px 20px;
        background: var(--bg-alt);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.9rem;
        color: var(--text-light);
    }

    .persona-plain-note svg {
        width: 20px;
        height: 20px;
        color: var(--text-lighter);
        flex-shrink: 0;
    }

    /* ============ STEPS ============ */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }

    .step-card {
        text-align: center;
        padding: 36px 24px;
    }

    .step-number {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: var(--primary);
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        font-weight: 800;
        margin: 0 auto 20px;
    }

    .step-card h3 { margin-bottom: 10px; font-size: 1.1rem; }
    .step-card p { color: var(--text-light); font-size: 0.95rem; }

    /* ============ DEEP DIVE SECTIONS ============ */
    .deep-dive {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
        align-items: center;
    }

    .deep-dive.reverse > :first-child { order: 2; }
    .deep-dive.reverse > :last-child { order: 1; }

    .deep-dive-content .badge { margin-bottom: 16px; }

    .deep-dive-content h2 {
        font-size: clamp(1.75rem, 3vw, 2.25rem);
        margin-bottom: 16px;
        color: var(--secondary);
    }

    .section-dark .deep-dive-content h2 { color: white; }

    .deep-dive-content > p {
        font-size: 1.05rem;
        color: var(--text-light);
        line-height: 1.7;
        margin-bottom: 28px;
    }

    .section-dark .deep-dive-content > p { color: rgba(255,255,255,0.6); }

    .deep-dive-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .deep-dive-list li {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 1rem;
        font-weight: 500;
    }

    .section-dark .deep-dive-list li { color: rgba(255,255,255,0.85); }

    .deep-dive-list li svg {
        width: 22px;
        height: 22px;
        color: var(--primary);
        flex-shrink: 0;
    }

    .deep-dive-visual {
        background: white;
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow-lg);
        overflow: hidden;
        aspect-ratio: 4/3;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
    }

    .section-dark .deep-dive-visual {
        background: rgba(255,255,255,0.05);
        border: 1px solid rgba(255,255,255,0.1);
    }

    .placeholder-visual {
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, var(--primary-bg) 0%, #FFE0B2 100%);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .placeholder-visual svg {
        width: 80px;
        height: 80px;
        color: var(--primary);
        opacity: 0.3;
    }

    .section-dark .placeholder-visual {
        background: linear-gradient(135deg, rgba(242,126,0,0.2) 0%, rgba(242,126,0,0.05) 100%);
    }

    .section-dark .placeholder-visual svg {
        color: var(--primary-light);
        opacity: 0.4;
    }

    /* ============ TESTIMONIALS ============ */
    .testimonials-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .testimonial-card {
        background: white;
        border-radius: var(--radius-lg);
        padding: 36px;
        border: 1px solid var(--border);
        transition: all 0.3s;
    }

    .testimonial-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }

    .testimonial-stars {
        display: flex;
        gap: 4px;
        margin-bottom: 20px;
    }

    .testimonial-stars svg {
        width: 20px;
        height: 20px;
        color: var(--primary);
        fill: var(--primary);
    }

    .testimonial-card blockquote {
        font-size: 1rem;
        line-height: 1.7;
        color: var(--text);
        margin-bottom: 24px;
        font-style: italic;
    }

    .testimonial-author {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .testimonial-avatar {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--primary-bg);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.9rem;
    }

    .testimonial-author-info strong { display: block; font-size: 0.95rem; }
    .testimonial-author-info span { font-size: 0.85rem; color: var(--text-light); }

    /* ============ CTA SECTION ============ */
    .cta-section {
        padding: 100px 0;
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        text-align: center;
        color: white;
    }

    .cta-section h2 { margin-bottom: 16px; }

    .cta-section p {
        font-size: 1.15rem;
        opacity: 0.85;
        max-width: 560px;
        margin: 0 auto 36px;
        line-height: 1.7;
    }

    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ============ FOOTER ============ */
    .footer {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.7);
        padding: 80px 0 40px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 48px;
        margin-bottom: 48px;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.35rem;
        font-weight: 800;
        color: white;
        margin-bottom: 12px;
    }

    .footer-brand svg { width: 28px; height: 28px; color: var(--primary-light); }

    .footer-about p {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 20px;
    }

    .footer-socials { display: flex; gap: 12px; }

    .footer-socials a {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255,255,255,0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s;
    }

    .footer-socials a:hover { background: var(--primary); color: white; }
    .footer-socials svg { width: 18px; height: 18px; }

    .footer-col h4 { color: white; font-size: 0.95rem; margin-bottom: 20px; }
    .footer-col ul { list-style: none; }
    .footer-col li { margin-bottom: 10px; }
    .footer-col a { font-size: 0.9rem; transition: color 0.2s; }
    .footer-col a:hover { color: white; }

    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.85rem;
    }

    .footer-bottom-links { display: flex; gap: 24px; }
    .footer-bottom-links a { transition: color 0.2s; }
    .footer-bottom-links a:hover { color: white; }

    /* ========== Billing Mode Cards ========== */
    .billing-modes {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-top: 16px;
    }

    .billing-mode-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 14px 16px;
        background: var(--bg-alt);
        border-radius: var(--radius);
        border: 1px solid var(--border-light);
        transition: all 0.2s;
    }

    .billing-mode-item:hover { border-color: var(--border); background: white; }

    .billing-mode-icon {
        width: 36px;
        height: 36px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .billing-mode-icon svg { width: 18px; height: 18px; }
    .billing-mode-icon.mode-each { background: var(--primary-bg); color: var(--primary); }
    .billing-mode-icon.mode-creator { background: #EDE9FE; color: #7C3AED; }
    .billing-mode-icon.mode-org { background: #FFF0EE; color: var(--accent); }
    .billing-mode-icon.mode-budget { background: #ECFDF5; color: #059669; }

    .billing-mode-text { flex: 1; }

    .billing-mode-text strong {
        display: block;
        font-size: 0.9rem;
        font-weight: 600;
        margin-bottom: 2px;
    }

    .billing-mode-text span {
        font-size: 0.82rem;
        color: var(--text-light);
        line-height: 1.4;
    }

    /* ============ ORG EXAMPLES PILLS ============ */
    .org-examples {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 16px;
    }

    .org-pill {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 4px 12px;
        background: var(--bg-alt);
        border: 1px solid var(--border);
        border-radius: 50px;
        font-size: 0.8rem;
        color: var(--text-light);
        font-weight: 500;
    }

    /* ============ RESPONSIVE ============ */
    @media (max-width: 1024px) {
        .hero .container { grid-template-columns: 1fr; gap: 48px; }
        .hero-visual { max-width: 500px; margin: 0 auto; }
        .billing-grid { grid-template-columns: 1fr; max-width: 500px; }
        .pricing-content { grid-template-columns: 1fr; gap: 40px; }
        .project-grid { grid-template-columns: 1fr; max-width: 500px; }
        .features-grid { grid-template-columns: repeat(2, 1fr); }
        .personas-content { grid-template-columns: 1fr; gap: 40px; }
        .personas-visual { order: 2; max-width: 500px; margin: 0 auto; width: 100%; }
        .personas-text { order: 1; }
        .deep-dive { grid-template-columns: 1fr; gap: 40px; }
        .deep-dive.reverse > :first-child { order: 1; }
        .deep-dive.reverse > :last-child { order: 2; }
        .deep-dive-visual { max-width: 500px; margin: 0 auto; width: 100%; }
        .testimonials-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
        .steps-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
        .section { padding: 80px 0; }
        .nav-links, .nav-actions { display: none; }
        .menu-toggle { display: flex; }
        .hero { padding: 120px 0 80px; }
        .hero-stats { gap: 24px; }
        .hero-float-badge { display: none; }
        .features-grid { grid-template-columns: 1fr; }
        .steps-grid { grid-template-columns: 1fr; gap: 16px; }
        .footer-grid { grid-template-columns: 1fr; gap: 32px; }
        .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
        .cta-actions { flex-direction: column; align-items: center; }
    }

    /* ========================
    Auth Modal
    ======================== */

    .auth-modal-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 10000;
        justify-content: center;
        align-items: center;
        padding: 1rem;
        opacity: 0;
        transition: opacity 0.25s ease;
    }

    .auth-modal-overlay.active {
        opacity: 1;
    }

    /* Modal Box */
    .auth-modal {
        background: #fff;
        border-radius: 1.25rem;
        width: 100%;
        max-width: 420px;
        padding: 2.5rem 2rem 2rem;
        position: relative;
        box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
        transform: translateY(20px) scale(0.97);
        transition: transform 0.3s ease;
    }

    .auth-modal-overlay.active .auth-modal {
        transform: translateY(0) scale(1);
    }

    /* Close Button */
    .auth-modal-close {
        position: absolute;
        top: 1rem;
        right: 1rem;
        background: none;
        border: none;
        color: #9ca3af;
        cursor: pointer;
        padding: 0.4rem;
        border-radius: 0.5rem;
        transition: all 0.2s ease;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .auth-modal-close:hover {
        background: #fef3e2;
        color: #c26200;
    }

    /* Header */
    .auth-modal-header {
        text-align: center;
        margin-bottom: 2rem;
    }

    .auth-modal-logo {
        display: inline-flex;
        margin-bottom: 1rem;
    }

    .auth-modal-title {
        font-size: 1.4rem;
        font-weight: 700;
        color: #111827;
        margin: 0 0 0.4rem;
    }

    .auth-modal-subtitle {
        font-size: 0.9rem;
        color: #6b7280;
        margin: 0;
    }

    /* Body */
    .auth-modal-body {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    /* Shared Button Style */
    .auth-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.75rem;
        padding: 0.85rem 1.25rem;
        border-radius: 0.75rem;
        font-size: 0.95rem;
        font-weight: 600;
        text-decoration: none;
        cursor: pointer;
        transition: all 0.2s ease;
        border: none;
    }

    /* Google Button */
    .auth-btn-google {
        background: #fff;
        color: #3c4043;
        border: 1.5px solid #dadce0;
    }

    .auth-btn-google:hover {
        background: #f8f9fa;
        border-color: #4285F4;
        box-shadow: 0 2px 12px rgba(66, 133, 244, 0.15);
    }

    /* Email Button — Orange */
    .auth-btn-email {
        background: linear-gradient(135deg, #f27e00, #e06800);
        color: #fff;
    }

    .auth-btn-email:hover {
        background: linear-gradient(135deg, #e06800, #c25a00);
        box-shadow: 0 4px 15px rgba(242, 126, 0, 0.35);
        transform: translateY(-1px);
    }

    /* Divider */
    .auth-divider {
        display: flex;
        align-items: center;
        gap: 1rem;
        margin: 0.25rem 0;
    }

    .auth-divider::before,
    .auth-divider::after {
        content: '';
        flex: 1;
        height: 1px;
        background: #e5e7eb;
    }

    .auth-divider span {
        font-size: 0.8rem;
        color: #9ca3af;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        font-weight: 500;
    }

    /* Footer */
    .auth-modal-footer {
        text-align: center;
        margin-top: 1.5rem;
        padding-top: 1.25rem;
        border-top: 1px solid #f3f4f6;
    }

    .auth-modal-footer p {
        font-size: 0.8rem;
        color: #9ca3af;
        margin: 0;
    }

    /* Switch Link (Login <-> Register) */
    .auth-switch-link {
        color: #f27e00;
        text-decoration: none;
        font-weight: 600;
    }

    .auth-switch-link:hover {
        color: #c26200;
        text-decoration: underline;
    }

    /* Mobile */
    @media (max-width: 480px) {
        .auth-modal {
            padding: 2rem 1.5rem 1.5rem;
            border-radius: 1rem;
        }

        .auth-modal-title {
            font-size: 1.25rem;
        }

        .auth-btn {
            padding: 0.8rem 1rem;
            font-size: 0.9rem;
        }
    } 
    /* ============ VIDEO SHOWCASE ============ */
    .video-showcase {
        margin-top: 48px;
        background: white;
        border-radius: var(--radius-xl);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border);
    }

    .section-dark .video-showcase {
        background: rgba(255,255,255,0.05);
        border: 1px solid rgba(255,255,255,0.1);
        box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    }

    .video-showcase video {
        width: 100%;
        display: block;
        background: #000;
    }

    .video-showcase-caption {
        padding: 20px 24px;
        display: flex;
        align-items: center;
        gap: 12px;
        border-top: 1px solid var(--border-light);
        background: var(--bg-alt);
    }

    .section-dark .video-showcase-caption {
        border-top: 1px solid rgba(255,255,255,0.08);
        background: rgba(255,255,255,0.03);
    }

    .video-showcase-caption svg {
        width: 20px;
        height: 20px;
        color: var(--primary);
        flex-shrink: 0;
    }

    .video-showcase-caption span {
        font-size: 0.9rem;
        color: var(--text-light);
        line-height: 1.5;
    }

    .section-dark .video-showcase-caption span {
        color: rgba(255,255,255,0.6);
    }

    /* Inline video within deep-dive visual area */
    .deep-dive-visual.has-video {
        aspect-ratio: auto;
        background: none;
        box-shadow: none;
        border: none;
        overflow: visible;
    }

    .deep-dive-visual.has-video .video-showcase {
        margin-top: 0;
        width: 100%;
    }

    /* Persona section video */
    .personas-visual .video-showcase {
        margin-top: 24px;
    }

    /* Video play button overlay */
    .video-wrapper {
        position: relative;
        cursor: pointer;
        line-height: 0;
    }

    .video-wrapper::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 72px;
        height: 72px;
        background: rgba(242, 126, 0, 0.9);
        border-radius: 50%;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 24 24' fill='white'%3E%3Cpolygon points='5 3 19 12 5 21 5 3'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: 54% center;
        background-size: 28px;
        box-shadow: 0 4px 20px rgba(242, 126, 0, 0.4);
        transition: all 0.3s ease;
        pointer-events: none;
        z-index: 2;
    }

    .video-wrapper:hover::after {
        background-color: rgba(242, 126, 0, 1);
        transform: translate(-50%, -50%) scale(1.1);
        box-shadow: 0 6px 28px rgba(242, 126, 0, 0.55);
    }

    .video-wrapper.playing::after {
        display: none;
    }

    @media (max-width: 768px) {
        .video-wrapper::after {
            width: 56px;
            height: 56px;
            background-size: 22px;
        }
    }
</style>