/* ========================================
   TAGÉ AGÊNCIA - LANDING PAGE CSS
   Curso: Conteúdo na Palma da Mão
   Desenvolvido por Filipe Guerra
   ========================================= */

/* ========================================
   RESET E CONFIGURAÇÕES GLOBAIS
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Container principal responsivo */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   TIPOGRAFIA E ELEMENTOS BASE
   ========================================= */

/* Títulos de seção com gradiente */
.section-title {
    text-align: center;
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 80px;
    background: linear-gradient(135deg, #ffffff 0%, #a78bfa 50%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Texto destacado com gradiente */
.highlight {
    background: linear-gradient(135deg, #00d4ff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   HEADER FIXO
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 15px 0;
    transition: all 0.3s ease;
}

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

/* Logo do header */
.logo {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Botão CTA do header */
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: #ffffff;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

/* ========================================
   SEÇÃO HERO PRINCIPAL
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    overflow: hidden;
    padding-top: 80px; /* Compensa altura do header fixo */
}

/* Efeito de fundo com gradientes radiais */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 107, 107, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* Texto principal do hero */
.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #a78bfa 50%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInUp 0.8s ease-out;
}

.hero-text .subtitle {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 32px;
    color: #e5e7eb;
    animation: slideInUp 0.8s ease-out 0.2s both;
}

.hero-text .description {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 40px;
    color: #9ca3af;
    animation: slideInUp 0.8s ease-out 0.4s both;
}

/* Imagem do hero */
.hero-visual {
    position: relative;
    animation: slideInRight 0.8s ease-out 0.3s both;
}

.phone-mockup {
    width: 100%;
    max-width: 550px;
    margin: 18% 0 0 0;
    position: relative;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5));
    transition: transform 0.3s ease;
}

.phone-mockup:hover {
    transform: translateY(-10px) scale(1.02);
}

.phone-mockup img {
    width: 100%;
    height: auto;
    border-radius: 30px;
}

/* ========================================
   BOTÕES CTA PRINCIPAIS
   ========================================= */
.cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: #ffffff;
    text-decoration: none;
    padding: 20px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
    animation: slideInUp 0.8s ease-out 0.6s both;
    position: relative;
    overflow: hidden;
}

/* Efeito flash nos botões */
.cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.cta-primary:hover::before {
    left: 100%;
}

.cta-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.4);
    background: linear-gradient(135deg, #00e4ff 0%, #00aadd 100%);
}

/* ========================================
   ELEMENTOS FLUTUANTES DECORATIVOS
   ========================================= */
.floating-element {
    position: absolute;
    animation: float 6s ease-in-out infinite;
    opacity: 0.3;
}

.floating-element:nth-child(1) {
    top: 15%;
    right: 8%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    bottom: 15%;
    left: 8%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    top: 60%;
    right: 3%;
    animation-delay: 4s;
}

/* ========================================
   SEÇÃO DOS PROBLEMAS
   ========================================= */
.problems {
    padding: 120px 0;
    background: #0f0f0f;
    position: relative;
}

/* Linha decorativa no topo */
.problems::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(167, 139, 250, 0.3), transparent);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

/* Cards dos problemas */
.problem-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.01) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 50px 40px;
    text-align: center;
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
}

/* Borda colorida no topo do card */
.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1);
    border-radius: 24px 24px 0 0;
}

.problem-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-color: rgba(255, 255, 255, 0.1);
}

.problem-icon {
    font-size: 4rem;
    color: #ff6b6b;
    margin-bottom: 30px;
    transition: transform 0.3s ease;
}

.problem-card:hover .problem-icon {
    transform: scale(1.1) rotateY(360deg);
}

.problem-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #ffffff;
}

.problem-card p {
    color: #9ca3af;
    line-height: 1.7;
    font-size: 1.1rem;
}

/* ========================================
   SEÇÃO EQUIPE TRABALHANDO
   ========================================= */
.team-working {
    padding: 100px 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    position: relative;
}

.team-working-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* ========================================
   SEÇÃO ESTATÍSTICAS COM CONTADOR
   ========================================= */
.stats {
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
}

.stat-item {
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
}

/* Números das estatísticas com gradiente */
.stat-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, #00d4ff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    line-height: 1;
}

.stat-label {
    font-size: 1.1rem;
    color: #9ca3af;
    font-weight: 500;
}

/* ========================================
   SEÇÃO SOLUÇÃO
   ========================================= */
.solution {
    padding: 120px 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    position: relative;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-text h2 {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 30px;
    line-height: 1.2;
    color: #ffffff;
}

/* Lista de features da solução */
.solution-features {
    list-style: none;
    margin: 50px 0;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    font-size: 1.2rem;
    font-weight: 500;
    color: #e5e7eb;
    transition: all 0.3s ease;
}

.solution-features li:hover {
    transform: translateX(10px);
    color: #ffffff;
}

.solution-features i {
    color: #00d4ff;
    font-size: 1.4rem;
    width: 30px;
    transition: transform 0.3s ease;
}

.solution-features li:hover i {
    transform: scale(1.2);
}

/* ========================================
   SEÇÃO DOS MÓDULOS DO CURSO
   ========================================= */
.modules {
    padding: 120px 0;
    background: #0f0f0f;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

/* Cards dos módulos */
.module-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 50px;
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
}

/* Borda colorida no topo dos módulos */
.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 24px 24px 0 0;
}

.module-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Números dos módulos */
.module-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    font-weight: 900;
    font-size: 1.4rem;
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

.module-card:hover .module-number {
    transform: scale(1.1) rotate(360deg);
}

.module-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #ffffff;
}

.module-card p {
    color: #9ca3af;
    line-height: 1.7;
    font-size: 1.1rem;
}

/* ========================================
   SEÇÃO DE PREÇOS
   ========================================= */
.pricing {
    padding: 120px 0;
    background: #0f0f0f;
    text-align: center;
}

/* Card principal de preço */
.price-card {
    max-width: 550px;
    margin: 80px auto 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(30px);
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: 30px;
    padding: 70px 50px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease;
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 40px 100px rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.4);
}

/* Borda colorida no topo do card de preço */
.price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #00d4ff 0%, #667eea 50%, #764ba2 100%);
}

/* Badge de desconto */
.discount-badge {
    position: absolute;
    top: -15px;
    right: 40px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: #ffffff;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 800;
    font-size: 1rem;
    transform: rotate(3deg);
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

/* Preços */
.price-old {
    text-decoration: line-through;
    color: #6b7280;
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.price-current {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, #00d4ff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    line-height: 1;
}

.price-installments {
    color: #9ca3af;
    margin-bottom: 50px;
    font-size: 1.2rem;
    font-weight: 500;
}

/* Lista de benefícios */
.benefits-list {
    list-style: none;
    text-align: left;
    margin: 50px 0;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-weight: 500;
    font-size: 1.1rem;
    color: #e5e7eb;
    transition: all 0.3s ease;
}

.benefits-list li:hover {
    transform: translateX(5px);
    color: #ffffff;
}

.benefits-list i {
    color: #00d4ff;
    font-size: 1.2rem;
}

/* ========================================
   SEÇÃO DOS INSTRUTORES
   ========================================= */
.instructors {
    padding: 120px 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
}

.instructors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 80px;
    margin-top: 80px;
}

/* Cards dos instrutores */
.instructor-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 60px;
    text-align: center;
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
}

/* Efeito de sweep nos cards dos instrutores */
.instructor-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 212, 255, 0.03), transparent);
    transform: rotate(45deg);
    transition: transform 0.6s ease;
}

.instructor-card:hover::before {
    transform: rotate(45deg) translate(100%, 100%);
}

.instructor-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Avatar dos instrutores */
.instructor-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: #ffffff;
    font-weight: 900;
    transition: transform 0.3s ease;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.instructor-card:hover .instructor-avatar {
    transform: scale(1.1);
}

.instructor-name {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}

.instructor-title {
    color: #00d4ff;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 25px;
    position: relative;
    z-index: 2;
}

.instructor-bio {
    color: #9ca3af;
    line-height: 1.7;
    font-size: 1.1rem;
    position: relative;
    z-index: 2;
}

/* ========================================
   SEÇÃO FAQ
   ========================================= */
.faq {
    padding: 120px 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
}

.faq-container {
    max-width: 900px;
    margin: 80px auto 0;
}

/* Items do FAQ */
.faq-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    margin-bottom: 25px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
}

/* Perguntas do FAQ */
.faq-question {
    padding: 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.2rem;
    color: #ffffff;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Respostas do FAQ */
.faq-answer {
    padding: 0 30px 30px;
    color: #9ca3af;
    line-height: 1.7;
    font-size: 1.1rem;
    display: none;
}

/* FAQ ativo */
.faq-item.active .faq-answer {
    display: block;
    animation: slideDown 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: #00d4ff;
}

/* Ícone do FAQ */
.faq-icon {
    transition: all 0.3s ease;
    color: #6b7280;
}

/* ========================================
   FOOTER CTA
   ========================================= */
.footer-cta {
    padding: 100px 0;
    background: #0f0f0f;
    text-align: center;
    position: relative;
}

/* Linha decorativa no topo */
.footer-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(167, 139, 250, 0.3), transparent);
}

.footer-cta h2 {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #ffffff 0%, #a78bfa 50%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-cta p {
    font-size: 1.3rem;
    color: #9ca3af;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   ANIMAÇÕES
   ========================================= */

/* Animação de entrada de baixo para cima */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animação de entrada da direita */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Animação de expansão do FAQ */
@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 200px;
    }
}

/* Animação flutuante */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-25px);
    }
}

/* Animação de pulso */
@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.8;
    }
}

/* Animação de contagem */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   ANIMAÇÕES DE SCROLL
   ========================================= */

/* Elementos que animam no scroll */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   RESPONSIVIDADE
   ========================================= */

/* Tablets */
@media (max-width: 768px) {
    .header {
        padding: 12px 0;
    }

    .header-cta {
        padding: 10px 18px;
        font-size: 0.8rem;
    }

    .logo {
        height: 35px;
    }

    .hero {
        padding-top: 70px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }

    .solution-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .instructors-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .modules-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-visual {
        order: -1;
    }

    .container {
        padding: 0 15px;
    }

    .module-card,
    .instructor-card,
    .problem-card {
        padding: 40px 30px;
    }

    .price-card {
        padding: 50px 30px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .faq-question {
        padding: 25px 20px;
        font-size: 1.1rem;
    }

    .faq-answer {
        padding: 0 20px 25px;
    }

    .instructor-avatar {
        width: 120px;
        height: 120px;
    }

    /* Team Working Section Responsive */
    .team-working-grid {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }

    .team-working-grid img {
        max-width: 100% !important;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
        padding: 10px 0;
    }

    .header {
        padding: 10px 0;
    }

    .logo {
        height: 30px;
    }

    .header-cta {
        padding: 8px 16px;
        font-size: 0.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

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

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

/* ========================================
   FIM DO CSS
   ========================================= */