/* ============================================================
   M Bessa Locações — folha de estilo principal
   Reestruturada com submenu, SEO e otimização Core Web Vitals
   ============================================================ */

:root{
  --navy-900:#081b34;
  --navy-800:#0b2c5c;
  --navy-700:#0d3b7a;
  --blue-600:#146ec6;
  --blue-500:#1c7fe0;
  --teal-400:#00c08a;
  --light-blue:#b7eafb;
  --ink:#12203a;
  --gray-100:#f4f6f9;
  --gray-300:#dfe4ea;
  --gray-500:#7a8699;
  --black-bar:#0a0a0a;
  --white:#ffffff;
  --radius-sm:4px;
  --radius-md:10px;
  --shadow-card:0 10px 30px rgba(8,27,52,.12);
  --container:1180px;
  --font-head:'Poppins','Segoe UI',Arial,sans-serif;
  --font-body:'Open Sans','Segoe UI',Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--font-head);margin:0 0 .5em;line-height:1.25;}
p{margin:0 0 1em;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}
:focus-visible{outline:3px solid var(--teal-400);outline-offset:2px;}

/* ---------- Skip link (a11y) ---------- */
.skip-link{
  position:absolute;left:-9999px;top:0;
  background:var(--navy-800);color:#fff;padding:10px 16px;
  z-index:300;
}
.skip-link:focus{left:8px;top:8px;}

/* ---------- Breadcrumb ---------- */
.breadcrumb{background:var(--gray-100);padding:12px 0;font-size:.85rem;}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.breadcrumb li{display:flex;align-items:center;color:var(--gray-500);}
.breadcrumb li+li::before{content:"›";margin:0 8px;color:var(--gray-500);}
.breadcrumb a{color:var(--blue-600);font-weight:600;}
.breadcrumb a:hover{text-decoration:underline;}
.breadcrumb [aria-current="page"]{color:var(--navy-800);font-weight:700;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  font-family:var(--font-head);
  font-weight:600;
  font-size:.82rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:14px 30px;
  border-radius:2px;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--blue-600);color:#fff;}
.btn-primary:hover{background:var(--blue-500);transform:translateY(-2px);box-shadow:0 8px 20px rgba(20,110,198,.35);}
.btn-outline{background:transparent;border-color:#fff;color:#fff;}
.btn-outline:hover{background:#fff;color:var(--navy-800);transform:translateY(-2px);}
.btn-small{padding:10px 18px;font-size:.72rem;}

/* ---------- Top bar ---------- */
.top-bar{background:var(--gray-100);text-align:right;padding:10px 0;}
.top-bar .container{display:flex;justify-content:flex-end;}
.top-bar a{
  background:var(--blue-600);color:#fff;
  font-family:var(--font-head);font-size:.72rem;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;
  padding:8px 18px;border-radius:2px;
  transition:background .18s ease;
}
.top-bar a:hover{background:var(--navy-700);}

/* ============================================================
   HEADER / NAV com SUBMENU
   ============================================================ */
.site-header{padding:18px 0;border-bottom:1px solid var(--gray-300);background:#fff;position:relative;z-index:50;}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{height:56px;width:auto;}

.main-nav>ul{display:flex;gap:28px;flex-wrap:wrap;align-items:center;}
.main-nav a{
  font-family:var(--font-head);font-weight:600;font-size:.92rem;
  color:var(--ink);padding:6px 0;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
  display:inline-flex;align-items:center;gap:6px;
}
.main-nav>ul>li>a:hover,
.main-nav>ul>li>a.active,
.main-nav>ul>li.has-submenu:hover>a{
  color:var(--teal-400);border-color:var(--teal-400);
}

/* Submenu indicator (chevron ▾) */
.submenu-caret{
  display:inline-block;
  width:8px;height:8px;
  border-right:2.5px solid currentColor;
  border-bottom:2.5px solid currentColor;
  transform:rotate(45deg) translateY(-3px);
  transition:transform .25s ease;
  margin-left:6px;
  vertical-align:middle;
}
.has-submenu:hover .submenu-caret,
.has-submenu:focus-within .submenu-caret,
.has-submenu.open .submenu-caret{transform:rotate(-135deg) translateY(1px);}

.has-submenu{position:relative;}
.submenu{
  position:absolute;top:100%;left:-14px;
  background:#fff;
  border:1px solid var(--gray-300);
  border-top:3px solid var(--teal-400);
  border-radius:0 0 var(--radius-md) var(--radius-md);
  box-shadow:0 12px 28px rgba(8,27,52,.15);
  min-width:280px;
  padding:10px 0;
  opacity:0;visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  z-index:60;
}
.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu{
  opacity:1;visibility:visible;transform:translateY(0);
}
.submenu li{border:none;}
.submenu a{
  display:flex !important;align-items:center;gap:10px;
  padding:10px 18px;
  font-size:.88rem;font-weight:600;
  color:var(--ink);border:none;
  border-left:3px solid transparent;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.submenu a:hover,
.submenu a.active{
  background:var(--gray-100);
  color:var(--blue-600);
  border-left-color:var(--teal-400);
}
.submenu .sub-icon{
  width:22px;height:22px;flex-shrink:0;
  color:var(--blue-600);
}
.submenu a:hover .sub-icon,
.submenu a.active .sub-icon{color:var(--teal-400);}

.nav-toggle{
  display:none;background:none;
  border:2px solid var(--ink);border-radius:4px;
  padding:8px 12px;font-size:1.2rem;cursor:pointer;
  line-height:1;
}

/* ============================================================
   Page title bar
   ============================================================ */
.page-title{background:var(--light-blue);padding:34px 0;}
.page-title h1{color:var(--navy-800);font-size:1.6rem;font-weight:700;margin:0;}

/* ============================================================
   Hero
   ============================================================ */
.hero{background:linear-gradient(160deg,var(--navy-900),var(--navy-700));padding:70px 0 90px;}
.hero-box{
  max-width:820px;margin:0 auto;text-align:center;color:#fff;
  padding:50px 40px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md);
}
.hero-box .eyebrow{font-weight:700;font-size:1.05rem;margin-bottom:.3em;}
.hero-box h2{color:var(--teal-400);font-size:2.2rem;font-weight:700;margin-bottom:.6em;}
.hero-box p{color:#d7e2f0;max-width:620px;margin-left:auto;margin-right:auto;}

.feature-dark{
  background:linear-gradient(160deg,var(--navy-800),var(--navy-700));
  margin-top:-46px;border-radius:var(--radius-md);overflow:hidden;
}
.feature-dark .container{max-width:1080px;}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;gap:0;}
.feature-grid figure{margin:0;height:100%;min-height:360px;overflow:hidden;}
.feature-grid img{width:100%;height:100%;object-fit:cover;min-height:360px;}
.feature-copy{padding:48px 46px;color:#e7edf6;}
.feature-copy h3{color:#fff;font-size:1.6rem;}
.check-list li{position:relative;padding:6px 0 6px 30px;font-weight:600;color:#eef3fa;}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:14px;height:14px;border:2px solid var(--teal-400);border-radius:50%;
}

/* ============================================================
   Sections
   ============================================================ */
.section{padding:70px 0;}
.section-tight{padding:40px 0;}
.section-title{text-align:center;margin-bottom:8px;color:var(--navy-800);font-size:1.7rem;}
.section-subtitle{
  text-align:center;color:var(--teal-400);
  font-weight:700;letter-spacing:.03em;
  margin-bottom:2.2em;font-size:.85rem;text-transform:uppercase;
}
.center-text{text-align:center;}

/* Equip grid */
.equip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:10px;}
.equip-card{
  border:1px solid var(--gray-300);border-radius:var(--radius-sm);
  overflow:hidden;background:#fff;box-shadow:var(--shadow-card);
  transition:transform .2s ease;
}
.equip-card:hover{transform:translateY(-4px);}
.equip-card img{width:100%;height:190px;object-fit:cover;}
.equip-card figcaption{
  text-align:center;padding:14px;
  font-family:var(--font-head);font-weight:700;
  color:var(--navy-800);font-size:.9rem;
}
.equip-desc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin:30px 0 60px;}
.equip-desc h4{color:var(--blue-600);text-align:center;font-size:1.02rem;}
.equip-desc p{text-align:center;color:var(--gray-500);font-size:.92rem;}

.dual-figure{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px;}
.dual-figure img{border-radius:var(--radius-sm);height:260px;object-fit:cover;width:100%;}
.truck-copy{text-align:center;max-width:640px;margin:0 auto 26px;}
.truck-copy h4{color:var(--blue-600);font-size:1.1rem;}
.truck-copy p{color:var(--gray-500);}

/* Why grid */
.why-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;}
.why-grid h2{color:var(--navy-800);font-size:1.7rem;}
.why-grid .lead{color:var(--teal-400);font-weight:700;}
.why-grid ul li{position:relative;padding:6px 0 6px 22px;color:var(--ink);}
.why-grid ul li::before{content:"•";position:absolute;left:0;top:6px;color:var(--blue-600);font-weight:900;}
.why-media{position:relative;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);}
.why-media video,.why-media img{width:100%;display:block;}
.why-media .tag{
  position:absolute;right:16px;bottom:16px;background:var(--blue-600);color:#fff;
  font-family:var(--font-head);font-weight:700;font-size:.72rem;letter-spacing:.05em;
  text-align:center;padding:12px 16px;border-radius:2px;max-width:150px;
}

.caption-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:50px;}
.caption-card{text-align:center;}
.caption-card img{border-radius:var(--radius-sm);height:220px;width:100%;object-fit:cover;margin-bottom:14px;}
.caption-card p{font-family:var(--font-head);font-weight:700;color:var(--navy-800);font-size:.95rem;}

/* CTA banner */
.cta-banner{background:linear-gradient(100deg,var(--navy-800),var(--blue-600));padding:40px 0;}
.cta-banner .container{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-banner h2{color:#fff;font-size:1.5rem;margin-bottom:.2em;}
.cta-banner p{color:#dce7f7;margin:0;}

/* Diferencial block */
.diff-block{padding:60px 0 50px;text-align:center;}
.diff-block .kicker{color:var(--navy-800);font-weight:700;}
.diff-block h2{color:var(--teal-400);font-size:2rem;}
.diff-block h3{color:var(--ink);font-size:1rem;margin-top:1.4em;}
.diff-list{max-width:820px;margin:0 auto 1.6em;color:var(--gray-500);text-align:left;}
.diff-list li{margin-bottom:.4em;padding-left:14px;}
.diff-list li::before{content:"• ";color:var(--blue-600);margin-left:-14px;}

.wave{width:100%;height:80px;background:var(--navy-700);clip-path:ellipse(70% 100% at 50% 100%);margin-top:-1px;}

.dark-panel{background:linear-gradient(160deg,var(--navy-900),var(--navy-700));color:#e7edf6;padding:60px 0;}
.dark-panel .two-col{display:grid;grid-template-columns:1fr 1fr;gap:50px;}
.dark-panel h4{color:#fff;}
.machine-list li{position:relative;padding:5px 0 5px 20px;font-size:.95rem;}
.machine-list li::before{content:"•";position:absolute;left:0;color:var(--teal-400);}
.mini-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px;}
.mini-gallery img{border-radius:var(--radius-sm);height:170px;width:100%;object-fit:cover;}

.tag-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:40px;}
.tag-card{background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-card);overflow:hidden;text-align:center;}
.tag-card img{height:150px;width:100%;object-fit:contain;background:#f4f6f9;padding:10px;}
.tag-card span{
  display:block;background:var(--blue-600);color:#fff;
  font-family:var(--font-head);font-weight:700;font-size:.78rem;
  letter-spacing:.03em;padding:12px 8px;
}

/* Empresa page */
.empresa-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:start;padding:20px 0 60px;}
.accordion-item{border-bottom:1px solid var(--gray-300);}
.accordion-item button{
  width:100%;text-align:left;background:none;border:none;
  font-family:var(--font-head);font-weight:700;color:var(--navy-800);
  padding:16px 4px;font-size:1rem;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
}
.accordion-item .panel{max-height:0;overflow:hidden;transition:max-height .25s ease;color:var(--gray-500);font-size:.92rem;}
.accordion-item.open .panel{max-height:250px;padding-bottom:14px;}
.accordion-item .icon{font-size:1.2rem;color:var(--blue-600);}
.empresa-media{background:linear-gradient(160deg,var(--navy-800),var(--navy-700));border-radius:var(--radius-md);overflow:hidden;color:#fff;}
.empresa-media img{width:100%;height:230px;object-fit:cover;}
.empresa-media .copy{padding:26px 30px;}

/* Forms */
.contact-form{max-width:820px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.contact-form .full{grid-column:1 / -1;}
.contact-form input,.contact-form textarea{
  width:100%;padding:14px 16px;
  border:1px solid var(--gray-300);border-radius:4px;
  font-family:var(--font-body);font-size:.95rem;background:#fbfcfe;
}
.contact-form textarea{min-height:130px;resize:vertical;}
.contact-form button{justify-self:start;}
.form-note{grid-column:1/-1;font-size:.8rem;color:var(--gray-500);margin-top:-8px;}

.contact-intro{max-width:780px;margin:0 auto 40px;text-align:center;color:var(--gray-500);}
.contact-methods{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:820px;margin:0 auto 60px;}
.method-card{border:1px solid var(--gray-300);border-radius:var(--radius-md);padding:28px;text-align:center;}
.method-card h3{color:var(--navy-800);font-size:1.05rem;border-bottom:2px solid var(--gray-300);padding-bottom:14px;margin-bottom:14px;}
.method-card a.btn{margin-top:10px;}

/* Testimonials */
.testimonials{padding:20px 0 70px;}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.testi-card{border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);background:#fff;}
.testi-card img{width:100%;height:230px;object-fit:cover;}
.testi-card .body{padding:22px;}
.testi-card .quote{color:var(--teal-400);font-family:var(--font-head);font-weight:700;font-size:1.1rem;}
.testi-card .name{font-weight:700;color:var(--navy-800);margin-top:10px;font-size:.9rem;}
.testi-card p{color:var(--gray-500);font-size:.92rem;margin-bottom:.4em;}

/* Fotos gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.gallery-grid figure{margin:0;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;position:relative;}
.gallery-grid img{width:100%;height:220px;object-fit:cover;transition:transform .35s ease;}
.gallery-grid figure:hover img{transform:scale(1.06);}

.lightbox{position:fixed;inset:0;background:rgba(8,20,40,.92);display:none;align-items:center;justify-content:center;z-index:200;padding:30px;}
.lightbox.active{display:flex;}
.lightbox img{max-width:90vw;max-height:85vh;border-radius:6px;}
.lightbox-close{
  position:absolute;top:24px;right:32px;
  background:none;border:2px solid #fff;color:#fff;
  width:42px;height:42px;border-radius:50%;
  font-size:1.3rem;cursor:pointer;
}

/* ============================================================
   SUB-SERVICE PAGES (Terraplenagem submenu)
   ============================================================ */
.service-hero{
  background:linear-gradient(160deg,var(--navy-900),var(--navy-700));
  color:#fff;padding:60px 0;
}
.service-hero .icon-badge{
  width:72px;height:72px;border-radius:50%;
  background:rgba(0,192,138,.15);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;color:var(--teal-400);
}
.service-hero h1{color:#fff;font-size:2rem;text-align:center;margin:0 auto .3em;max-width:800px;}
.service-hero .service-lead{color:#d7e2f0;text-align:center;max-width:760px;margin:0 auto;}

.service-content{padding:60px 0;}
.service-content h2{color:var(--navy-800);font-size:1.5rem;margin-top:1.4em;}
.service-content h3{color:var(--blue-600);font-size:1.15rem;margin-top:1.2em;}
.service-content p{color:var(--ink);}
.service-content ul{margin:0 0 1.2em 0;}
.service-content ul li{position:relative;padding:6px 0 6px 22px;color:var(--ink);}
.service-content ul li::before{content:"▸";position:absolute;left:0;color:var(--blue-600);}

.service-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:start;}
.service-side{background:var(--gray-100);padding:26px;border-radius:var(--radius-md);position:sticky;top:20px;}
.service-side h3{color:var(--navy-800);margin-top:0;}
.service-side .fact{
  padding:14px 0;border-bottom:1px solid var(--gray-300);
  display:flex;gap:12px;align-items:flex-start;
}
.service-side .fact:last-child{border-bottom:none;}
.service-side .fact svg{color:var(--teal-400);flex-shrink:0;margin-top:2px;}

.faq{margin-top:40px;}
.faq details{
  border:1px solid var(--gray-300);border-radius:var(--radius-sm);
  padding:14px 18px;margin-bottom:10px;background:#fff;
}
.faq summary{
  cursor:pointer;font-weight:700;color:var(--navy-800);
  font-family:var(--font-head);outline:none;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";float:right;color:var(--blue-600);font-size:1.3rem;line-height:1;}
.faq details[open] summary::after{content:"–";}
.faq details[open] summary{margin-bottom:10px;}
.faq p{color:var(--gray-500);margin-bottom:0;}

/* Related services */
.related-services{background:var(--gray-100);padding:50px 0;}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.related-card{
  background:#fff;padding:22px;border-radius:var(--radius-md);
  text-align:center;box-shadow:var(--shadow-card);
  transition:transform .2s ease;color:var(--ink);
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.related-card:hover{transform:translateY(-4px);}
.related-card svg{color:var(--blue-600);}
.related-card h4{color:var(--navy-800);font-size:.98rem;margin:0;}

/* Cookie banner */
.cookie-banner{
  position:fixed;left:16px;right:16px;bottom:16px;
  background:var(--navy-800);color:#fff;
  padding:18px 22px;border-radius:var(--radius-md);
  box-shadow:0 12px 30px rgba(0,0,0,.3);
  z-index:180;display:none;
  align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.cookie-banner.show{display:flex;}
.cookie-banner p{margin:0;font-size:.88rem;flex:1;min-width:220px;}
.cookie-banner a{color:var(--teal-400);text-decoration:underline;}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap;}

/* Footer */
.site-footer{background:var(--gray-100);padding:50px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:40px;padding-bottom:36px;}
.footer-grid h4{color:var(--navy-800);font-size:1rem;}
.footer-nav li{margin-bottom:10px;}
.footer-nav a{color:var(--blue-600);font-weight:600;font-size:.92rem;}
.footer-nav a:hover{text-decoration:underline;}
.footer-contact p{margin-bottom:6px;font-size:.92rem;}
.footer-contact .tag{color:var(--gray-500);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;}
.newsletter-form{display:flex;flex-direction:column;gap:12px;}
.newsletter-form input{padding:12px 14px;border:1px solid var(--gray-300);border-radius:4px;font-family:var(--font-body);}
.newsletter-form button{align-self:flex-start;}
.copyright{background:var(--black-bar);color:#c9c9c9;text-align:left;padding:14px 0;font-size:.8rem;}

/* WhatsApp float */
.whatsapp-float{
  position:fixed;right:22px;bottom:22px;z-index:150;
  display:flex;align-items:center;gap:8px;
  background:#fff;color:var(--ink);
  padding:10px 16px 10px 10px;border-radius:40px;
  box-shadow:0 8px 24px rgba(0,0,0,.2);
  font-family:var(--font-head);font-weight:700;font-size:.85rem;
  transition:transform .2s ease;
}
.whatsapp-float:hover{transform:translateY(-3px);}
.whatsapp-float .ico{
  width:34px;height:34px;border-radius:50%;
  background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
}

/* 404 */
.error-page{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 24px;}
.error-page h1{font-size:5rem;color:var(--blue-600);margin:0;}
.error-page h2{color:var(--navy-800);}
.error-page p{color:var(--gray-500);max-width:520px;margin:0 auto 20px;}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:960px){
  .feature-grid,.why-grid,.dark-panel .two-col,.empresa-grid,.service-grid{grid-template-columns:1fr;}
  .service-side{position:static;}
  .feature-grid figure{min-height:240px;}
  .feature-grid img{min-height:240px;}
  .equip-grid,.equip-desc-grid,.gallery-grid,.tag-cards,.testi-grid,.related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .contact-methods{grid-template-columns:1fr;}
  .cta-banner .container{justify-content:center;text-align:center;}
}

@media (max-width:768px){
  .nav-toggle{display:inline-block;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--gray-300);
    display:none;max-height:calc(100vh - 80px);overflow-y:auto;
    box-shadow:0 12px 28px rgba(0,0,0,.12);
  }
  .main-nav.open{display:block;}
  .main-nav>ul{flex-direction:column;padding:12px 24px;gap:0;align-items:stretch;}
  .main-nav>ul>li{border-bottom:1px solid var(--gray-300);}
  .main-nav>ul>li:last-child{border-bottom:none;}
  .main-nav>ul>li>a{padding:14px 0;display:flex;justify-content:space-between;align-items:center;}
  .submenu-caret{display:inline-block;margin-left:auto;transform:rotate(-135deg) translateY(1px);}
  /* Submenu SEMPRE aberto no mobile */
  .submenu{
    position:static;opacity:1;visibility:visible;
    transform:none;box-shadow:none;border:none;border-top:none;
    padding:0 0 10px 0;min-width:0;background:transparent;
  }
  .submenu a{padding:8px 12px;font-size:.85rem;background:var(--gray-100);margin-bottom:4px;border-radius:4px;}
  .submenu a:hover{background:var(--light-blue);}
  .site-header .container{position:relative;}
  .equip-grid,.equip-desc-grid,.gallery-grid,.tag-cards,.testi-grid,.dual-figure,.caption-grid,.mini-gallery,.related-grid{grid-template-columns:1fr;}
  .contact-form{grid-template-columns:1fr;}
  .hero-box{padding:34px 22px;}
  .hero-box h2{font-size:1.6rem;}
  .service-hero h1{font-size:1.5rem;}
}