/* Camada de estabilidade para contatos e chat; carregada separadamente para evitar cache de versões antigas. */
.contact-section .section-heading{margin-bottom:32px}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.contact-card{min-width:0;overflow:hidden}.contact-card h3{overflow-wrap:break-word}.contact-form{display:flex;flex-direction:column;gap:14px}.contact-form label{display:block;min-width:0}.contact-form .form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.contact-form input,.contact-form select,.contact-form textarea{width:100%;max-width:100%;min-width:0;box-sizing:border-box}.contact-form textarea{min-height:108px}.contact-card-dark .contact-form label{color:#fff}.contact-card-dark .contact-form input,.contact-card-dark .contact-form textarea{background:#fff;color:#17382a}.contact-card .button{max-width:100%}
.machado-chat{position:fixed!important;right:22px;bottom:22px;z-index:1000;width:auto}.machado-chat-toggle{display:inline-flex;align-items:center;white-space:nowrap}.machado-chat-panel{position:absolute;right:0;bottom:54px;width:330px;max-width:calc(100vw - 24px);overflow:hidden}.machado-chat-start label{display:block}.machado-chat-start input{width:100%;max-width:100%;box-sizing:border-box}.machado-chat-message-form{display:flex;gap:6px}.machado-chat-message-form input{min-width:0;width:100%;box-sizing:border-box}.machado-chat-message-form button{flex:0 0 40px}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}.contact-card{padding:28px}.machado-chat{right:16px;bottom:16px}.machado-chat-panel{right:-4px}}
@media (max-width:680px){.contact-section .section-heading{text-align:left;margin-bottom:28px}.contact-form .form-row{grid-template-columns:1fr;gap:12px}.contact-card{padding:22px 18px}.contact-card h3{font-size:25px}.machado-chat{right:12px;bottom:12px}.machado-chat-toggle{padding:11px 14px}.machado-chat-panel{right:-2px;width:calc(100vw - 24px);max-width:calc(100vw - 24px)}.machado-chat-messages{height:190px}.site-footer .footer-bottom{padding-bottom:78px}}
/* Contraste explícito do botão de envio do chat. */
.machado-chat-message-form button{appearance:none;-webkit-appearance:none;border:0!important;background:#17382a!important;color:#fff!important;font-size:18px;font-weight:800;line-height:1;min-height:38px;cursor:pointer;text-align:center}.machado-chat-message-form button:hover{background:#245238!important;color:#fff!important}
/* Fluxo técnico e cards BIM. */
.technical-workflow{margin-top:42px;padding:34px;background:#17382a;color:#fff}.technical-workflow h3{max-width:760px;font-size:clamp(26px,3vw,40px);line-height:1.12;margin:0 0 12px}.technical-workflow>p:not(.eyebrow):not(.technical-note){max-width:820px;color:#dce9df;margin:0 0 25px}.technical-workflow .eyebrow{color:#dcae36;margin-bottom:12px}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.tool-card{display:flex;flex-direction:column;gap:7px;min-width:0;padding:17px;background:#245238;border:1px solid rgba(255,255,255,.18);color:#fff;transition:transform .2s ease,background .2s ease}.tool-card:hover{background:#356a49;transform:translateY(-2px)}.tool-card strong{color:#dcae36;font-size:14px;line-height:1.2}.tool-card span{color:#e4eee7;font-size:12px;line-height:1.45}.technical-note{border-top:1px solid rgba(255,255,255,.22);padding-top:17px;margin:25px 0 0;color:#dce9df;font-size:12px;line-height:1.55}.technical-note strong{color:#fff}@media (max-width:1100px){.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:680px){.technical-workflow{padding:25px 18px}.tool-grid{grid-template-columns:1fr}.tool-card{padding:15px}}