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

:root {
    /* Paleta "Impressora de Escritório" */
    --color-bg: #F8F9FA;         /* Branco gelo / Cinza muito claro */
    --color-white: #FFFFFF;      /* Branco puro */
    --color-gray-light: #E9ECEF; /* Cinza claro painel */
    --color-gray-mid: #CED4DA;   /* Cinza médio bordas */
    --color-text: #343A40;       /* Chumbo escuro / quase preto */
    --color-text-light: #6C757D; /* Cinza texto secundário */
    --color-accent: #10B981;     /* Verde de destaque moderno */
    --color-accent-hover: #059669; /* Verde hover */
    --color-dark: #212529;       /* Detalhes escuros */

    --font-main: 'Inter', sans-serif;
    --spacing: 2rem;
    --radius: 4px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

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

/* TYPOGRAPHY */
h1, h2, h3 {
    color: var(--color-dark);
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent-hover);
}

/* BUTTONS - Estilo Máquina de Escritório (Xerox) */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px; /* Mais arredondado como botão físico */
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: all 0.1s ease;
    
    /* Fundo metálico gradiente */
    background: linear-gradient(180deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #333;
    
    /* Bordas e sombras para efeito 3D (relevo) */
    border: 1px solid #a0a5aa;
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 1), /* brilho superior interno */
        inset 0 -1px 0 rgba(0, 0, 0, 0.1), /* sombra inferior interna */
        0 4px 0 #9ca3af, /* Lateral do botão (profundidade) */
        0 5px 5px rgba(0,0,0,0.2); /* Sombra no painel */
}

.btn:active {
    /* Efeito de apertar o botão */
    transform: translateY(4px);
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        inset 0 2px 4px rgba(0,0,0,0.2),
        0 0 0 #9ca3af,
        0 1px 2px rgba(0,0,0,0.2);
}

.btn-primary {
    /* Destaque com o "Led" ou borda típica de botões principais de Xerox */
    border: 2px solid #059669; /* Verde escuro */
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    /* Pequeno LED indicativo */
    content: '';
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: #10B981; /* Verde base */
    border-radius: 50%;
    box-shadow: 0 0 8px #10B981, 0 0 4px #10B981;
}

.btn-primary:hover {
    background: linear-gradient(180deg, #e2e8f0 0%, #b0c4de 100%);
    color: #111;
    /* Intensifica o LED no hover */
}

.btn-primary:hover::after {
    background-color: #34D399; /* Verde mais claro brilhante */
    box-shadow: 0 0 10px #34D399, 0 0 6px #34D399;
}

.btn-secondary {
    /* Botões secundários da máquina */
    background: linear-gradient(180deg, #e9ecef 0%, #ced4da 100%);
}

.btn-outline, .btn-outline-primary {
    /* Para não quebrar botões outline, mantemos o estilo 3D metálico mas mais sutil */
    background: linear-gradient(180deg, #ffffff 0%, #e9ecef 100%);
    color: #333;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* HEADER */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo a {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-dark);
    letter-spacing: -0.5px;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--color-text-light);
    font-weight: 600;
}
.nav a:hover {
    color: var(--color-dark);
}

@media (max-width: 768px) {
    .nav { display: none; }
}

/* HERO SECTION */
.hero {
    padding: 6rem 0;
    text-align: center;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-light);
}

.hero-title {
    font-size: 3.5rem;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
    color: var(--color-text-light);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .hero-actions { flex-direction: column; }
}

/* SECTION HEADERS */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-header h2 {
    font-size: 2.25rem;
}

/* SERVICES */
.services {
    background-color: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-gray-mid);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--color-accent);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.service-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.service-desc {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
    border-top: 1px solid var(--color-gray-light);
    padding-top: 1.5rem;
}

.service-features li {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* PORTFOLIO */
.portfolio {
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-light);
    border-bottom: 1px solid var(--color-gray-light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.portfolio-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-gray-mid);
    border-radius: var(--radius);
    color: var(--color-dark);
    font-weight: 600;
    transition: all 0.2s ease;
}

.portfolio-item:hover {
    background-color: var(--color-gray-light);
    border-color: var(--color-text-light);
}

.portfolio-icon {
    margin-right: 1rem;
    font-size: 1.5rem;
}

.portfolio-name {
    flex-grow: 1;
}

.portfolio-arrow {
    color: var(--color-text-light);
    transition: transform 0.2s ease;
}

.portfolio-item:hover .portfolio-arrow {
    transform: translateX(5px);
    color: var(--color-dark);
}

/* CTA FINAL */
.cta-final {
    background-color: var(--color-bg);
}
.cta-final h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.cta-final p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* FOOTER */
.footer {
    background-color: var(--color-white);
    padding: 3rem 0;
    border-top: 1px solid var(--color-gray-light);
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.footer-links {
    margin-top: 1rem;
}

.footer-links a {
    color: var(--color-text-light);
    text-decoration: underline;
}

.footer-links a:hover {
    color: var(--color-dark);
}