/* ==========================================================================
           1. DESIGN TOKENS (CSS Variables)
           ========================================================================== */
        :root {
            /* Cores */
            --color-primary: #3eb800;
            /* Lime Brand */
            --color-primary-dark: #3eb800;
            --color-dark: #121212;
            --color-dark-elevated: #1C1C1C;
            --color-olive: #2D3A1F;
            --color-light: #fcfcfc;
            --color-white: #ffffff;
            --color-neutral-100: #f5f5f5;
            --color-neutral-200: #e5e5e5;
            --color-neutral-400: #a3a3a3;
            --color-neutral-500: #737373;
            --color-neutral-800: #262626;

            /* Tipografia */
            --font-primary: 'Inter', sans-serif;
            --font-heading: 'Montserrat', sans-serif;

            /* Espaçamentos Base */
            --space-1: 0.25rem;
            --space-2: 0.5rem;
            --space-3: 0.75rem;
            --space-4: 1rem;
            --space-6: 1.5rem;
            --space-8: 2rem;
            --space-12: 3rem;
            --space-16: 4rem;
            --space-20: 5rem;
            --space-24: 6rem;

            /* Bordas e Sombras */
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 9999px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-primary: 0 8px 30px rgba(212, 255, 55, 0.4);

            /* Transições */
            --transition-fast: 150ms ease;
            --transition-base: 300ms ease;

            /* Layout */
            --container-max: 1200px;
            --container-pad: clamp(1.5rem, 5vw, 2.5rem);
        }

        /* ==========================================================================
           2. RESET E BASE
           ========================================================================== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--color-light);
            color: var(--color-neutral-800);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        .font-heading {
            font-family: var(--font-heading);
            line-height: 1.2;
            color: var(--color-dark);
        }

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

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            display: block;
            height: auto;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        /* ==========================================================================
           3. UTILITÁRIOS E COMPONENTES
           ========================================================================== */
        .text-center {
            text-align: center;
        }

        .text-primary {
            color: var(--color-primary);
        }

        .bg-dark {
            background-color: var(--color-dark);
            color: var(--color-white);
        }

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

        .bg-olive {
            background-color: var(--color-olive);
            color: var(--color-white);
        }

        .section-pad {
            padding: var(--space-24) 0;
        }

        .grid {
            display: grid;
        }

        .flex {
            display: flex;
        }

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

        .justify-between {
            justify-content: space-between;
        }

        .justify-center {
            justify-content: center;
        }

        .gap-2 {
            gap: var(--space-2);
        }

        .gap-4 {
            gap: var(--space-4);
        }

        .gap-8 {
            gap: var(--space-8);
        }

        /* Botões */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            font-family: var(--font-heading);
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 20px 48px;
            border-radius: var(--radius-full);
            cursor: pointer;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            border: none;
            text-align: center;
        }

        .btn-cta {
            background-color: var(--color-primary);
            color: var(--color-dark);
            box-shadow: var(--shadow-primary);
            animation: pulse 2s infinite;
        }

        .btn-cta:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 40px rgba(212, 255, 55, 0.6);
            background-color: var(--color-white);
        }

        .btn-outline {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
        }

        .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        /* Seções Title */
        .section-subtitle {
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            font-size: 0.875rem;
            font-weight: 700;
            margin-bottom: var(--space-4);
            display: block;
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            margin-bottom: var(--space-4);
        }

        .section-title2 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            margin-bottom: var(--space-4);
            color: #121212;
        }

        .section-title span.italic {
            font-style: italic;
            color: var(--color-primary);
        }

        .bg-white .section-title span.italic {
            color: #65A30D;
            /* Verde escuro para contraste no claro */
        }

        /* ==========================================================================
           4. ANIMAÇÕES (IntersectionObserver)
           ========================================================================== */
        [data-animate] {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
            will-change: opacity, transform;
        }

        [data-animate="fade-left"] {
            transform: translateX(-40px);
        }

        [data-animate="fade-right"] {
            transform: translateX(40px);
        }

        [data-animate="scale"] {
            transform: scale(0.95);
        }

        [data-animate].animated {
            opacity: 1;
            transform: translate(0) scale(1);
        }

        @keyframes pulse {

            0%,
            100% {
                box-shadow: 0 8px 30px rgba(212, 255, 55, 0.4);
            }

            50% {
                box-shadow: 0 8px 50px rgba(212, 255, 55, 0.7);
            }
        }

        @keyframes marquee {
            0% {
                transform: translateX(0);
            }

            100% {
                transform: translateX(-50%);
            }
        }

        /* ==========================================================================
           5. ESTRUTURA ESPECÍFICA (LAYOUT)
           ========================================================================== */

        /* Pre-header */
        .pre-header {
            background-color: var(--color-primary);
            color: var(--color-dark);
            text-align: center;
            padding: 8px 16px;
            font-size: 0.875rem;
            font-weight: 600;
            z-index: 100;
            position: relative;
        }

        .countdown-timer {
            display: inline-flex;
            gap: 4px;
            font-weight: 800;
            margin-left: 8px;
        }

        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 90;
            transition: background-color var(--transition-base), border var(--transition-base), top var(--transition-base);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .navbar.scrolled {
            background-color: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .navbar-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--color-white);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.05em;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background-color: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-dark);
        }

        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            font-weight: 500;
            transition: color var(--transition-fast);
        }

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

        .nav-cta {
            background-color: var(--color-primary);
            color: var(--color-dark);
            padding: 10px 24px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 700;
            transition: background-color var(--transition-fast);
        }

        .nav-cta:hover {
            background-color: var(--color-white);
        }

        .menu-toggle {
            display: none;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 80px;
            background-color: var(--color-dark);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.6;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(18, 18, 18, 0.9) 0%, rgba(18, 18, 18, 0.4) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 10;
            width: 100%;
        }

        .hero-person {
            position: absolute;
            bottom: 0;
            right: 5%;
            width: 45%;
            max-width: 600px;
            z-index: 5;
            display: flex;
            align-items: flex-end;
            justify-content: flex-end;
            pointer-events: none;
        }

        .hero-person img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .hero-wrapper {
            max-width: 650px;
            position: relative;
            z-index: 10;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 900;
            color: var(--color-white);
            line-height: 1.1;
            margin-bottom: var(--space-6);
        }

        .hero h1 span {
            color: var(--color-primary);
        }

        .hero p {
            font-size: clamp(1.1rem, 2vw, 1.25rem);
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--space-8);
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            gap: var(--space-4);
            flex-wrap: wrap;
        }

        /* Proof of Concept (Faixa) */
        .proof-bar {
            position: relative;
            z-index: 10;
            margin-top: var(--space-16);
            padding-top: var(--space-8);
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            gap: var(--space-12);
            flex-wrap: wrap;
        }

        .proof-item .number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-white);
            font-family: var(--font-heading);
            line-height: 1;
            margin-bottom: 4px;
        }

        .proof-item.highlight .number {
            color: var(--color-primary);
        }

        .proof-item .label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.6);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            font-weight: 600;
        }

        /* Dores */
        .dores-list {
            margin-top: var(--space-8);
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-6);
        }

        .dor-card {
            background-color: var(--color-neutral-100);
            padding: var(--space-8);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-neutral-200);
            transition: transform var(--transition-base);
        }

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

        .dor-icon {
            width: 48px;
            height: 48px;
            background-color: #fca5a5;
            /* vermelho suave */
            color: #991b1b;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-4);
        }

        /* Cards Gerais */
        .feature-card {
            background-color: var(--color-neutral-100);
            padding: var(--space-8);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-neutral-200);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            background-color: var(--color-primary);
            color: var(--color-dark);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-6);
        }

        .sub-feature {
            background-color: var(--color-white);
            padding: var(--space-4);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-2);
            border: 1px solid var(--color-neutral-100);
        }

        /* Aulas Grid */
        .aulas-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--space-4);
            margin-top: var(--space-8);
        }

        .aula-card {
            background-color: var(--color-white);
            padding: var(--space-6);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-neutral-200);
            text-align: center;
            transition: border-color var(--transition-fast);
        }

        .aula-card:hover {
            border-color: #65A30D;
        }

        .aula-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #65A30D;
            font-family: var(--font-heading);
            margin-bottom: var(--space-2);
            line-height: 1;
        }

        .aula-price-anchor {
            font-size: 0.75rem;
            color: var(--color-neutral-400);
            text-decoration: line-through;
            margin-top: 8px;
            display: block;
        }

        /* Marquee */
        .marquee-container {
            overflow: hidden;
            white-space: nowrap;
            background-color: var(--color-white);
            padding: var(--space-12) 0;
            display: flex;
            align-items: center;
        }

        .marquee-text {
            font-size: 12vw;
            font-weight: 900;
            color: var(--color-neutral-100);
            font-family: var(--font-heading);
            line-height: 1;
            text-transform: uppercase;
            animation: marquee 20s linear infinite;
            display: inline-block;
        }

        /* Depoimentos */
        .depoimentos-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-6);
            margin-top: var(--space-8);
        }

        .depoimento-card {
            background-color: var(--color-dark-elevated);
            padding: var(--space-8);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stars {
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .depoimento-text {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
            font-style: italic;
            margin-bottom: var(--space-6);
        }

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

        .depoimento-author img {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
        }

        .author-info h4 {
            color: var(--color-white);
            font-size: 0.9rem;
            margin-bottom: 2px;
        }

        .author-info p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.75rem;
        }

        /* Autoridade (Caio) */
        .autoridade-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-16);
            align-items: center;
        }

        .autoridade-img {
            border-radius: 48px;
            overflow: hidden;
            border: 8px solid var(--color-neutral-100);
            box-shadow: var(--shadow-md);
        }

        /* Investimento Box */
        .offer-box {
            background-color: var(--color-primary);
            color: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: var(--space-12) var(--space-8);
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
            box-shadow: var(--shadow-primary);
        }

        .offer-badge {
            background-color: var(--color-dark);
            color: var(--color-white);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 800;
            display: inline-block;
            margin-bottom: var(--space-6);
        }

        .price-area {
            margin: var(--space-6) 0;
        }

        .price-anchor {
            font-size: 1.5rem;
            color: rgba(0, 0, 0, 0.5);
            text-decoration: line-through;
            font-weight: 600;
        }

        .price-real {
            font-size: 4rem;
            font-weight: 900;
            font-family: var(--font-heading);
            line-height: 1;
        }

        .price-parcel {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 8px;
        }

        .offer-list {
            text-align: left;
            margin: var(--space-8) 0;
        }

        .offer-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        /* Garantia Box */
        .garantia-box {
            border: 2px dashed rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--space-8);
            margin-top: var(--space-12);
            display: flex;
            align-items: center;
            gap: var(--space-8);
            background-color: rgba(255, 255, 255, 0.02);
        }

        .garantia-icon {
            width: 80px;
            height: 80px;
            flex-shrink: 0;
            color: var(--color-primary);
        }

        /* FAQ Accordion */
        .faq-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-neutral-200);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-4);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #65A30D;
        }

        .faq-header {
            padding: var(--space-6);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            color: var(--color-dark);
        }

        .faq-content {
            padding: 0 var(--space-6);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--color-neutral-500);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-content {
            padding-bottom: var(--space-6);
            max-height: 400px;
        }

        .faq-item.active .chevron {
            transform: rotate(180deg);
            color: #65A30D;
        }

        /* Footer */
        .footer {
            background-color: var(--color-white);
            padding: var(--space-16) 0 var(--space-8);
            border-top: 1px solid var(--color-neutral-100);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-8);
        }

        /* ==========================================================================
           6. RESPONSIVIDADE
           ========================================================================== */
        @media (max-width: 992px) {
            .hero {
                flex-direction: column;
                justify-content: center;
                padding-top: 120px;
            }
            .hero-content {
                order: 1;
            }
            .hero-person {
                order: 2;
                position: relative;
                width: 80%;
                max-width: 400px;
                margin: var(--space-8) auto 0;
                right: auto;
            }
            .hero-wrapper {
                text-align: center;
                margin: 0 auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .autoridade-grid {
                grid-template-columns: 1fr;
            }

            .autoridade-img {
                order: -1;
            }

            .garantia-box {
                flex-direction: column;
                text-align: center;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {

            .nav-links,
            .nav-cta {
                display: none;
            }

            .menu-toggle {
                display: block;
                color: var(--color-white);
                background: none;
                border: none;
                cursor: pointer;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .proof-bar {
                flex-direction: column;
                gap: var(--space-6);
                text-align: center;
            }
        }