:root {
    --primary: #d35400;
    --primary-hover: #e67e22;
    --dark: #2c3e50;
    --text: #4a4a4a;
    --light-bg: #f9f9f9;
    --white: #ffffff;
    --whatsapp: #25D366;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body { 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; 
    color: var(--text); 
    line-height: 1.6; 
}

h2 {
    line-height: 1.2;
    margin-top: 20px;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.text-center { text-align: center; }
.bg-light { background-color: var(--light-bg); }

header { background: var(--white); border-bottom: 3px solid var(--primary); padding: 15px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.nav-bar { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 12px; font-size: 1.5rem; font-weight: 900; color: var(--dark); }
.logo-icon { flex-shrink: 0; width: 40px; height: 40px; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,0.12); }
.logo-text span { color: var(--primary); }

.btn-whatsapp-header { background: var(--whatsapp); color: var(--white); padding: 10px 20px; border-radius: 5px; text-decoration: none; font-weight: bold; transition: 0.3s; }
.btn-whatsapp-header:hover { background: #1ebe5d; }
.btn-primary { display: inline-block; background: var(--primary); color: var(--white); padding: 15px 30px; border-radius: 5px; text-decoration: none; font-size: 1.1rem; font-weight: bold; transition: 0.3s; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }

.hero { 
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('./pedreiro-maceio-al.webp');
    background-size: cover;
    background-position: bottom;
    background-repeat: no-repeat;
    color: var(--white); 
    padding: 30px 0; 
    text-align: center; 
}
.hero h1 { font-size: 2.8rem; margin-bottom: 20px; line-height: 1.2; }
.hero p { font-size: 1.2rem; max-width: 800px; margin: 0 auto 30px; }

h2 { color: var(--dark); font-size: 2.2rem; margin-bottom: 20px; text-align: center; }
h2 { margin-top: 30px; }
.subtitle { text-align: center; font-size: 1.1rem; margin-bottom: 40px; }

.content-section { padding: 45px 0; }
.content-section h2 { margin-top: 0; }
.content-section .lead { font-size: 1.15rem; max-width: 900px; margin: 0 auto 24px; text-align: center; }

#pedreiro-ou-mestre { text-align: center; }

.sobre-nos { padding: 40px 0; }
.sobre-nos .text-content { max-width: 800px; text-align: center; margin: 0 auto; }
.sobre-nos ul li { margin-bottom: 10px; padding-left: 0; }

.etapas-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-top: 30px; text-align: left; }
.etapa-item { background: var(--white); padding: 22px; border-radius: 8px; border-left: 4px solid var(--primary); box-shadow: 0 3px 12px rgba(0,0,0,0.06); }
.etapa-item h3 { color: var(--dark); font-size: 1.15rem; margin-bottom: 10px; text-align: left; }
.etapa-item p { font-size: 0.98rem; margin: 0; }

.lista-regioes { columns: 2; column-gap: 40px; max-width: 800px; margin: 20px auto 0; font-size: 1rem; }
.lista-regioes li { margin-bottom: 8px; break-inside: avoid; padding-left: 1em; position: relative; }
.lista-regioes li::before { content: '•'; color: var(--primary); position: absolute; left: 0; font-weight: bold; }

.manutencao-list { max-width: 720px; margin: 20px auto 0; text-align: left; }
.manutencao-list li { margin-bottom: 12px; padding-left: 1.2em; position: relative; }
.manutencao-list li::before { content: '✓'; color: var(--primary); position: absolute; left: 0; font-weight: bold; }

@media (max-width: 600px) {
    .lista-regioes { columns: 1; }
}

.grid-servicos { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.card { background: var(--white); padding: 30px; border-radius: 8px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); border-top: 4px solid var(--primary); transition: 0.3s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
.card h3 { color: var(--dark); margin-bottom: 15px; font-size: 1.3rem; }
.card p { margin-bottom: 15px; }
.card ul { list-style: none; padding-left: 0; }
.text-content ul { margin-top: 20px; }
.card ul li { margin-bottom: 8px; padding-left: 20px; position: relative; }
.card ul li::before { content: '✓'; color: var(--primary); position: absolute; left: 0; font-weight: bold; }

.atendimento { padding: 20px 0; }
.atendimento p { margin-bottom: 15px; font-size: 1.1rem; text-align: center; max-width: 800px; margin-left: auto; margin-right: auto; }

li {
    list-style: none;
}

.faq details { background: var(--light-bg); padding: 15px 20px; margin-bottom: 15px; border-radius: 5px; cursor: pointer; border: 1px solid #ddd; }
.faq summary { font-weight: bold; font-size: 1.1rem; color: var(--dark); outline: none; }
.faq p { margin-top: 15px; padding-top: 15px; border-top: 1px solid #ddd; }
.faq details { margin-bottom: 30px; }

.cta-final { background: var(--dark); color: var(--white);padding: 30px 0; }
.cta-final h2 { color: var(--white); margin-top: 0; }
.cta-final a { margin-top: 10px; }

footer { background: #1a252f; color: #fff; padding: 30px 0; border-top: 5px solid var(--primary); }

@keyframes whatsapp-bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-12px); }
    60% { transform: translateY(-6px); }
}

@keyframes whatsapp-pulse-ring {
    0% { transform: scale(1); opacity: 0.65; }
    70% { transform: scale(1.45); opacity: 0; }
    100% { transform: scale(1.45); opacity: 0; }
}

.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 18px;
    z-index: 1000;
    text-align: center;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.28));
    transition: transform 0.25s ease, filter 0.25s ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
    transform: scale(1.04);
    filter: drop-shadow(0 8px 22px rgba(0, 0, 0, 0.35));
    outline: none;
}

.whatsapp-float:focus-visible .whatsapp-float__btn {
    box-shadow: 0 0 0 3px var(--white), 0 0 0 6px var(--whatsapp);
}

.whatsapp-float__label {
    background: var(--white);
    color: #128c7e;
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    padding: 10px 14px;
    border-radius: 999px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    white-space: nowrap;
    border: 2px solid rgba(37, 211, 102, 0.35);
}

.whatsapp-float__btn {
    position: relative;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(145deg, #2fe06d, var(--whatsapp));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    animation: whatsapp-bounce 2.4s ease-in-out infinite;
    box-shadow: 0 4px 0 #1a9f52, 0 8px 24px rgba(37, 211, 102, 0.55);
}

.whatsapp-float__pulse {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 3px solid var(--whatsapp);
    animation: whatsapp-pulse-ring 2.4s ease-out infinite;
    pointer-events: none;
}

.whatsapp-float__icon {
    display: block;
    position: relative;
    z-index: 1;
}

@media (max-width: 420px) {
    .whatsapp-float__label {
        font-size: 0.75rem;
        padding: 8px 10px;
    }
    .whatsapp-float__btn {
        width: 58px;
        height: 58px;
    }
    .whatsapp-float__icon {
        width: 26px;
        height: 26px;
    }
}

@media(max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .nav-bar { flex-direction: column; gap: 15px; }
}