/* ============================================
   SERRALHERIA BRITO — Main Stylesheet
   Mobile-First | Organized | Performance
   ============================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
  --red: #C1121F;
  --wine: #7A0C14;
  --yellow: #F4B400;
  --graphite: #252525;
  --off-white: #F7F7F5;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.18);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
  --font-heading: 'Bebas Neue', Impact, sans-serif;
  --font-body: 'Open Sans', system-ui, sans-serif;
  --container-max: 1280px;
  --header-h: 115px;
}

/* ---------- RESET & BASE ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:var(--header-h)}
body{font-family:var(--font-body);font-size:16px;line-height:1.6;color:var(--graphite);background:var(--off-white);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--font-heading);line-height:1.15;letter-spacing:.02em}
h1{font-size:clamp(2.2rem,5vw,4rem)}
h2{font-size:clamp(1.8rem,4vw,3rem)}
h3{font-size:clamp(1.1rem,2vw,1.4rem)}
p{max-width:70ch}
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:50px;font-family:var(--font-heading);font-size:1.15rem;letter-spacing:.06em;border:none;cursor:pointer;transition:all var(--transition);text-align:center}
.btn-primary{background:var(--red);color:var(--white)}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--wine);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-whatsapp{background:#25D366;color:var(--white)}
.btn-whatsapp:hover{background:#1da851;transform:translateY(-2px)}
.btn-outline-light{border:2px solid var(--white);color:var(--white);background:transparent}
.btn-outline-light:hover{background:var(--white);color:var(--graphite)}
.btn-sm{padding:10px 24px;font-size:.95rem}
.btn-nav{background:var(--red);color:var(--white)!important;padding:10px 24px;border-radius:50px;font-family:var(--font-heading);letter-spacing:.04em}
.btn-nav:hover{background:var(--wine)}

/* ---------- HEADER ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(37,37,37,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:all var(--transition);border-bottom:2px solid var(--red)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center}
.logo img{width:150px;height:auto}
.logo-text{display:none}

/* Nav */
.nav-list{display:flex;align-items:center;gap:8px}
.nav-list a{color:var(--white);padding:8px 16px;font-size:.9rem;font-weight:500;border-radius:6px;transition:all var(--transition)}
.nav-list a:hover,.nav-list a:focus-visible{color:var(--yellow);background:rgba(255,255,255,.06)}

/* Mega Menu Dropdown */
.nav-item-dropdown{position:relative}
.nav-item-dropdown>a{display:flex;align-items:center;gap:6px}
.nav-item-dropdown>a::after{content:"";width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:4px solid currentColor;transition:transform var(--transition)}
.nav-item-dropdown:hover>a::after{transform:rotate(180deg)}
.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);min-width:800px;background:var(--graphite);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all var(--transition);padding:32px;z-index:1000;border:1px solid rgba(255,255,255,.1)}
.nav-item-dropdown:hover .mega-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mega-menu-col h4{font-family:var(--font-heading);color:var(--yellow);font-size:1rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--red)}
.mega-menu-col ul{display:flex;flex-direction:column;gap:8px}
.mega-menu-col a{color:rgba(255,255,255,.85);padding:8px 12px;font-size:.85rem;border-radius:6px;display:block;transition:all var(--transition)}
.mega-menu-col a:hover{color:var(--yellow);background:rgba(255,255,255,.06);padding-left:16px}

/* Mobile nav toggle */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:1001}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--white);border-radius:2px;transition:all var(--transition)}

@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-list{position:fixed;top:var(--header-h);left:0;right:0;background:var(--graphite);flex-direction:column;padding:20px;gap:4px;transform:translateY(-120%);transition:transform var(--transition);box-shadow:var(--shadow-lg);max-height:calc(100vh - var(--header-h));overflow-y:auto}
  .nav-list.active{transform:translateY(0)}
  .nav-list a{display:block;padding:14px 20px;font-size:1rem}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
  .mega-menu{position:static;transform:none;min-width:100%;opacity:1;visibility:visible;box-shadow:none;border:none;padding:0 0 0 20px;display:none}
  .nav-item-dropdown.active .mega-menu{display:block}
  .mega-menu-grid{grid-template-columns:1fr;gap:16px}
  .mega-menu-col h4{font-size:.9rem;margin-bottom:8px}
  .mega-menu-col a{padding:10px 12px;font-size:.9rem}
}

/* ---------- BREADCRUMB ---------- */
.breadcrumb{background:var(--graphite);padding:8px 0;margin-top:0}
.breadcrumb ol{display:flex;gap:8px;font-size:.8rem}
.breadcrumb a{color:var(--yellow)}
.breadcrumb li::after{content:"›";margin-left:8px;color:rgba(255,255,255,.4)}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:var(--yellow)}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;margin-top:0}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(135deg,rgba(37,37,37,.92) 0%,rgba(122,12,20,.75) 50%,rgba(37,37,37,.85) 100%)}
.hero-content{position:relative;z-index:2;padding:80px 20px;max-width:720px}
.hero-tag{font-family:var(--font-heading);font-size:clamp(1rem,2vw,1.3rem);color:var(--yellow);letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px}
.hero h1{color:var(--white);margin-bottom:20px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-desc{color:rgba(255,255,255,.88);font-size:clamp(1rem,1.5vw,1.2rem);margin-bottom:32px;line-height:1.7}
.hero-sub{color:rgba(255,255,255,.65);font-size:.9rem;margin-top:16px}

/* ---------- SECTION HEADERS ---------- */
.section-header{text-align:center;margin-bottom:48px}
.section-tag{display:inline-block;font-family:var(--font-heading);font-size:.95rem;color:var(--red);letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;position:relative;padding:0 20px}
.section-tag::before,.section-tag::after{content:"";position:absolute;top:50%;width:30px;height:2px;background:var(--red)}
.section-tag::before{left:-30px}
.section-tag::after{right:-30px}
.section-header h2{color:var(--graphite);margin-bottom:16px}
.section-header p{margin:0 auto;color:#666;max-width:600px}

/* ---------- SERVIÇOS (5-col grid) ---------- */
.servicos{padding:80px 0;background:var(--white)}
.servicos-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.servico-card{background:var(--off-white);border:1px solid rgba(0,0,0,.06);border-radius:var(--radius-lg);padding:28px 16px;text-align:center;transition:all var(--transition);cursor:pointer;text-decoration:none;color:inherit;display:block}
.servico-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--red);background:var(--white)}
.servico-card svg{width:48px;height:48px;color:var(--red);margin:0 auto 14px;transition:all var(--transition)}
.servico-card:hover svg{color:var(--wine);transform:scale(1.1)}
.servico-card h3{font-family:var(--font-heading);font-size:.95rem;letter-spacing:.04em;color:var(--graphite);line-height:1.3}

@media(max-width:1024px){.servicos-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:768px){.servicos-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:480px){.servicos-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- DEPOIMENTOS ---------- */
.depoimentos{padding:80px 0;background:var(--off-white)}
.depoimentos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.depoimento-card{background:var(--white);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);transition:all var(--transition);border-top:4px solid var(--red)}
.depoimento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.depoimento-stars{display:flex;gap:2px;margin-bottom:16px}
.depoimento-card blockquote{margin:0}
.depoimento-card blockquote p{font-style:italic;color:#444;line-height:1.7;font-size:.95rem}
.depoimento-author{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:20px;border-top:1px solid rgba(0,0,0,.06)}
.author-avatar{width:44px;height:44px;border-radius:50%;background:var(--red);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;flex-shrink:0}
.depoimento-author strong{display:block;font-size:.95rem;color:var(--graphite)}
.depoimento-author span{font-size:.8rem;color:#888}

@media(max-width:768px){.depoimentos-grid{grid-template-columns:1fr}}

/* ---------- FLUXO DE TRABALHO (3-col) ---------- */
.fluxo{padding:80px 0;background:var(--graphite);color:var(--white)}
.fluxo .section-tag{color:var(--yellow)}
.fluxo .section-tag::before,.fluxo .section-tag::after{background:var(--yellow)}
.fluxo .section-header h2{color:var(--white)}
.fluxo .section-header p{color:rgba(255,255,255,.65)}
.fluxo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.fluxo-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:32px;transition:all var(--transition);position:relative;overflow:hidden}
.fluxo-card:hover{background:rgba(255,255,255,.08);border-color:var(--yellow);transform:translateY(-4px)}
.fluxo-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--red),var(--yellow));transform:scaleX(0);transform-origin:left;transition:transform var(--transition)}
.fluxo-card:hover::before{transform:scaleX(1)}
.fluxo-num{font-family:var(--font-heading);font-size:3rem;color:var(--yellow);opacity:.4;line-height:1;display:block;margin-bottom:8px}
.fluxo-card h3{color:var(--white);margin-bottom:10px;font-size:1.2rem}
.fluxo-card p{color:rgba(255,255,255,.7);font-size:.9rem;line-height:1.6}

@media(max-width:768px){.fluxo-grid{grid-template-columns:1fr}}

/* ---------- DIFERENCIAIS (4-col) ---------- */
.diferenciais{padding:80px 0;background:var(--white)}
.diferenciais-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.diferencial-card{text-align:center;padding:36px 24px;border-radius:var(--radius-lg);transition:all var(--transition);border:1px solid transparent}
.diferencial-card:hover{border-color:rgba(193,18,31,.15);box-shadow:var(--shadow-sm);transform:translateY(-4px)}
.diferencial-icon{width:72px;height:72px;margin:0 auto 20px;background:linear-gradient(135deg,var(--red),var(--wine));border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}
.diferencial-icon svg{width:36px;height:36px;color:var(--white)}
.diferencial-card:hover .diferencial-icon{transform:scale(1.08);box-shadow:0 4px 20px rgba(193,18,31,.3)}
.diferencial-card h3{margin-bottom:12px;color:var(--graphite)}
.diferencial-card p{color:#666;font-size:.9rem;line-height:1.6;margin:0 auto}

@media(max-width:1024px){.diferenciais-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.diferenciais-grid{grid-template-columns:1fr}}

/* ---------- CONTATO / CTA ---------- */
.contato{padding:80px 0;background:linear-gradient(135deg,var(--wine) 0%,var(--graphite) 100%);color:var(--white)}
.contato-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.contato-text h2{color:var(--white);margin-bottom:16px}
.contato-text>p{color:rgba(255,255,255,.8);margin-bottom:32px}
.contato-info{display:flex;flex-direction:column;gap:20px}
.contato-item{display:flex;align-items:flex-start;gap:14px}
.contato-item svg{color:var(--yellow);flex-shrink:0;margin-top:2px}
.contato-item strong{display:block;color:var(--white);font-size:.95rem}
.contato-item a{color:rgba(255,255,255,.8);transition:color var(--transition)}
.contato-item a:hover{color:var(--yellow)}
.contato-item p{color:rgba(255,255,255,.7);font-size:.9rem}
.contato-cta{display:flex;flex-direction:column;gap:16px;align-items:center}

@media(max-width:768px){.contato-inner{grid-template-columns:1fr;text-align:center}.contato-item{justify-content:center}.contato-cta{align-items:center}}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--graphite);color:rgba(255,255,255,.7);padding:60px 0 0;border-top:3px solid var(--red)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-logo{width:120px;height:auto;margin-bottom:16px}
.footer-col p{font-size:.85rem;line-height:1.7}
.footer-col h3{font-family:var(--font-heading);color:var(--white);font-size:1.1rem;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:8px}
.footer-col ul a{font-size:.85rem;transition:color var(--transition)}
.footer-col ul a:hover{color:var(--yellow)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;align-items:center;font-size:.8rem}
.footer-bottom a{color:var(--yellow)}

@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{flex-direction:column;gap:8px;text-align:center}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* ---------- WHATSAPP FLOAT ---------- */
.whatsapp-float{position:fixed;bottom:24px;right:24px;width:60px;height:60px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);box-shadow:0 4px 20px rgba(37,211,102,.4);z-index:999;transition:all var(--transition);animation:pulse-wpp 2s infinite}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 30px rgba(37,211,102,.5)}
@keyframes pulse-wpp{0%,100%{box-shadow:0 4px 20px rgba(37,211,102,.4)}50%{box-shadow:0 4px 30px rgba(37,211,102,.7)}}

/* ---------- COOKIE BANNER ---------- */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--graphite);color:var(--white);padding:16px 0;z-index:9999;border-top:2px solid var(--red);animation:slideUp .4s ease}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.cookie-banner p{font-size:.85rem;color:rgba(255,255,255,.85);margin:0}
.cookie-banner a{color:var(--yellow);text-decoration:underline}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
@media(max-width:600px){.cookie-inner{flex-direction:column;text-align:center}}

/* ---------- ANIMATIONS ---------- */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ---------- GALERIA ---------- */
.galeria{padding:80px 0;background:var(--off-white)}
.galeria-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.galeria-item{position:relative;overflow:hidden;border-radius:var(--radius);aspect-ratio:1;cursor:pointer;transition:all var(--transition)}
.galeria-item img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition)}
.galeria-item:hover img{transform:scale(1.08)}
.galeria-item::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.6) 0%,transparent 50%);opacity:0;transition:opacity var(--transition)}
.galeria-item:hover::after{opacity:1}
@media(max-width:1024px){.galeria-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.galeria-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.galeria-grid{grid-template-columns:repeat(2,1fr);gap:12px}}

/* ---------- ACCESSIBILITY ---------- */
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;border-radius:4px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* ---------- PRINT ---------- */
@media print{.site-header,.whatsapp-float,.cookie-banner,.hero-bg,.hero-overlay{display:none!important}.hero{min-height:auto;margin:0}body{color:#000;background:#fff}}