/* ==========================================================================
   RESET & VARIÁVEIS DO SISTEMA DE DESIGN
   ========================================================================== */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --color-primary: #0f172a;
    --color-secondary: #334155;
    --color-muted: #64748b;
    --color-accent: #2563eb;
    --color-success: #10b981;
    
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --border-radius: 12px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --container-width: 1200px;
}

/* FIX: scroll-behavior movido para html, não no seletor universal */
html {
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
}

body {
    background-color: var(--bg-primary);
    color: var(--color-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==========================================================================
   COMPONENTES GLOBAIS REUSÁVEIS
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    min-height: 48px; /* FIX: área de toque mínima para acessibilidade mobile */
}

.btn-primary {
    background-color: var(--color-success);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #059669;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.2);
}

/* FIX: estado de carregamento do botão de submit */
.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #1e293b;
}

.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    background: transparent;
    color: var(--color-primary);
    padding: 10px;
}

.btn-text:hover {
    color: var(--color-accent);
}

.btn-full {
    width: 100%;
}

.badge {
    display: inline-block;
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px auto;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--color-secondary);
    font-size: 1.1rem;
}

/* ==========================================================================
   HEADER & NAVEGAÇÃO
   ========================================================================== */
.header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px); /* FIX: prefixo Safari */
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    padding: 16px 0;
}

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

.logo {
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--color-primary);
    text-decoration: none;
}

.logo span {
    color: var(--color-accent);
}

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

.nav-menu a:not(.btn) {
    text-decoration: none;
    color: var(--color-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.nav-menu a:not(.btn):hover {
    color: var(--color-accent);
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
    /* FIX: área de toque mínima */
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    padding: 56px 0 48px;
    background: radial-gradient(circle at 90% 10%, rgba(37, 99, 235, 0.03) 0%, transparent 40%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 48px;
}

.hero-content h1 {
    /* FIX: font-size fluido com clamp() — em telas pequenas o valor fixo de 3.5rem
       estourava o container e quebrava palavras de forma feia */
    font-size: clamp(1.85rem, 7vw + 0.5rem, 3.5rem);
    /* FIX: era "line-weight" (inválido) — corrigido para "line-height" */
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.hero-content p {
    font-size: clamp(1rem, 2vw + 0.6rem, 1.2rem);
    color: var(--color-secondary);
    margin-bottom: 28px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

/* ==========================================================================
   BENEFÍCIOS / PARA QUEM É
   ========================================================================== */
.beneficios {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.beneficios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.beneficio-card {
    padding: 40px 32px;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid rgba(15, 23, 42, 0.03);
}

.icon-box {
    width: 56px;
    height: 56px;
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
}

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

.beneficio-card p {
    color: var(--color-muted);
}

/* ==========================================================================
   SERVIÇOS
   ========================================================================== */
.servicos {
    padding: 100px 0;
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.servico-card {
    background-color: var(--bg-secondary);
    padding: 48px 36px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.servico-icon {
    font-size: 2.25rem;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.servico-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.servico-card p {
    color: var(--color-secondary);
    font-size: 0.98rem;
}

/* ==========================================================================
   EXPERIÊNCIA / PROVA SOCIAL
   ========================================================================== */
.experiencia {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

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

.portfolio-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.portfolio-img-wrapper {
    position: relative;
    width: 100%;
    height: 240px;
    background-color: #e2e8f0;
    overflow: hidden;
}

/* FIX: .portfolio-link não tinha NENHUM CSS — o link existia, mas era um
   ícone solto sem posicionamento. Agora cobre toda a foto (clicável) e
   mostra um selo "abrir site" no canto. */
.portfolio-link {
    position: absolute;
    inset: 0;
    display: block;
}

.portfolio-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-normal);
}

.portfolio-link i {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(15, 23, 42, 0.85);
    color: #ffffff;
    border-radius: 50%;
    font-size: 0.9rem;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.portfolio-card:hover .portfolio-img-wrapper img {
    transform: scale(1.03);
}

.portfolio-card:hover .portfolio-link i {
    background-color: var(--color-accent);
    transform: scale(1.08);
}

.portfolio-content {
    padding: 36px;
}

.client-tag {
    display: inline-block;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-muted);
    margin-bottom: 12px;
}

.portfolio-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.portfolio-content .description {
    color: var(--color-secondary);
    margin-bottom: 24px;
}

.results {
    display: flex;
    gap: 24px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    padding-top: 20px;
}

.result-item {
    display: flex;
    flex-direction: column;
}

.result-item strong {
    color: var(--color-accent);
    font-size: 1.1rem;
}

.result-item span {
    font-size: 0.88rem;
    color: var(--color-muted);
}

/* ==========================================================================
   SEÇÃO DE CONTATO & FORMULÁRIO
   ========================================================================== */
.contato {
    padding: 100px 0;
}

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

.contato-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contato-info p {
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: 40px;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.05rem;
    font-weight: 500;
}

.info-item i {
    color: var(--color-accent);
    font-size: 1.25rem;
}

.contato-form-wrapper {
    background-color: var(--bg-secondary);
    padding: 48px;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.02);
}

.contato-form .form-group {
    margin-bottom: 24px;
}

.contato-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.contato-form input {
    width: 100%;
    padding: 14px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--bg-primary);
    transition: border var(--transition-fast);
}

.contato-form input:focus {
    outline: none;
    border-color: var(--color-accent);
    /* FIX: box-shadow de foco para acessibilidade */
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

/* FIX: estado de erro no input */
.contato-form input.input-error {
    border-color: #ef4444;
}

/* ==========================================================================
   BOTÃO FLUTUANTE DE WHATSAPP (estava ausente no projeto original)
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background-color: var(--color-success);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(16, 185, 129, 0.5);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background-color: var(--color-primary);
    color: #94a3b8;
    padding: 40px 0;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* ==========================================================================
   RESPONSIVIDADE
   ========================================================================== */
@media (max-width: 968px) {
    .menu-toggle {
        display: flex; /* FIX: era "display: block" — "flex" alinha o ícone corretamente */
    }

    /* FIX: menu mobile usa visibility/opacity em vez de display:none/flex
       para evitar conflito com a regra base do desktop */
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-secondary);
        flex-direction: column;
        padding: 32px;
        gap: 24px;
        border-bottom: 1px solid rgba(15, 23, 42, 0.1);
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
        /* FIX: substituído display:none por visibility+opacity para transição suave */
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-normal), visibility var(--transition-normal);
        display: flex; /* sempre flex, controlado por visibility */
    }

    .nav-menu.active {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
    }

    .hero-container, 
    .contato-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-content {
        text-align: center;
    }
    
    .hero-content p {
        margin: 0 auto 28px auto;
    }

    .hero-actions {
        justify-content: center;
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

    .hero-actions .btn {
        width: 100%;
    }

    /* FIX: limita a altura da imagem da hero em telas estreitas/altas,
       evitando que ela empurre o conteúdo para fora da primeira viewport */
    .hero-image img {
        max-height: 320px;
        object-fit: cover;
    }

    .beneficios-grid,
    .servicos-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .section-header h2 {
        font-size: 1.85rem;
    }
    
    .contato-form-wrapper {
        padding: 24px;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 54px;
        height: 54px;
        font-size: 1.5rem;
    }
}

/* FIX: refinamento extra para celulares pequenos (320px–480px),
   onde os paddings/tamanhos do breakpoint de tablet ainda ficam largos demais */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 40px 0 36px;
    }

    .badge {
        font-size: 0.78rem;
        padding: 5px 14px;
        margin-bottom: 12px;
    }

    .hero-content h1 {
        margin-bottom: 14px;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-image img {
        max-height: 220px;
    }

    .btn {
        padding: 13px 22px;
        font-size: 0.95rem;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .section-header {
        margin-bottom: 40px;
    }
}

/* FIX: respeitar preferência de movimento reduzido (acessibilidade) */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition-duration: 0.01ms !important; }
}