/* ============================================
   METALÚRGICA LOBO – PREMIUM INDUSTRIAL CSS
   ============================================ */

:root {
    --primary: #f26522; /* Laranja Industrial */
    --primary-dark: #d44d0e;
    --secondary: #1e1e1e; /* Grafite Escuro */
    --accent: #3a3a3a;
    --bg-light: #f4f4f4;
    --bg-dark: #121212;
    --white: #ffffff;
    --text-main: #333333;
    --text-muted: #777777;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* ===== BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    color: var(--text-main);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== TOP BAR ===== */
.top-bar {
    background: var(--bg-dark);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.85rem;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-info { display: flex; gap: 25px; }
.top-info span i { color: var(--primary); margin-right: 8px; }
.top-social { display: flex; gap: 15px; }
.top-social a { color: rgba(255,255,255,0.7); transition: var(--transition); }
.top-social a:hover { color: var(--primary); }

/* ===== HEADER ===== */
#header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}
.navbar { padding: 15px 0; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
    width: 45px; height: 45px;
    background: var(--primary);
    color: var(--white);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
}
.logo-text { display: flex; flex-direction: column; }
.logo-main { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; color: var(--secondary); line-height: 1; letter-spacing: 1px; }
.logo-sub { font-size: 0.8rem; font-weight: 600; color: var(--primary); letter-spacing: 4px; }

.nav-menu { display: flex; gap: 30px; }
.nav-link {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--secondary);
    transition: var(--transition);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute; bottom: -5px; left: 0;
    width: 0; height: 2px;
    background: var(--primary);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.btn-call {
    display: flex; align-items: center; gap: 10px;
    background: var(--secondary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-call:hover { background: var(--primary); }

.hamburger { display: none; flex-direction: column; gap: 6px; cursor: pointer; }
.hamburger span { width: 30px; height: 3px; background: var(--secondary); border-radius: 3px; transition: var(--transition); }

/* ===== HERO ===== */
.hero { position: relative; height: 85vh; min-height: 600px; }
.hero-slider { height: 100%; }
.swiper-slide {
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}
.slide-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 100%);
}
.slide-content { position: relative; z-index: 2; max-width: 700px; color: var(--white); }
.slide-tag {
    display: inline-block;
    background: var(--primary);
    padding: 5px 15px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}
.slide-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 20px;
    text-transform: uppercase;
}
.highlight { color: var(--primary); }
.slide-desc { font-size: 1.2rem; color: rgba(255,255,255,0.8); margin-bottom: 35px; }
.slide-btns { display: flex; gap: 15px; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: 15px 35px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    text-transform: uppercase;
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); }
.btn-outline { border: 2px solid var(--white); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--secondary); }
.btn-whatsapp { background: #25D366; color: var(--white); }
.btn-whatsapp:hover { background: #128C7E; transform: translateY(-3px); }

/* ===== FEATURES ===== */
.features { background: var(--secondary); padding: 40px 0; position: relative; z-index: 5; margin-top: -50px; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-item {
    display: flex; align-items: center; gap: 15px;
    background: rgba(255,255,255,0.05);
    padding: 20px; border-radius: 8px;
    border-left: 4px solid var(--primary);
}
.feat-icon { font-size: 2rem; color: var(--primary); }
.feat-text h3 { color: var(--white); font-family: var(--font-heading); font-size: 1.1rem; text-transform: uppercase; margin-bottom: 4px; }
.feat-text p { color: rgba(255,255,255,0.6); font-size: 0.85rem; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-dark { padding: 100px 0; background: var(--bg-dark); color: var(--white); }
.section-header { margin-bottom: 60px; }
.section-header.center { text-align: center; }
.section-header .tag { color: var(--primary); font-family: var(--font-heading); font-weight: 600; text-transform: uppercase; letter-spacing: 3px; font-size: 0.9rem; }
.section-header .title { font-family: var(--font-heading); font-size: clamp(2rem, 5vw, 3rem); text-transform: uppercase; line-height: 1.2; margin-top: 10px; }
.section-header .desc { max-width: 700px; margin: 20px auto 0; color: var(--text-muted); font-size: 1.1rem; }

/* ===== SOBRE ===== */
.sobre-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.sobre-list { margin: 30px 0; }
.sobre-list li { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-weight: 500; }
.sobre-list li i { color: var(--primary); }
.sobre-stats { display: flex; gap: 40px; margin-top: 40px; }
.stat-box { display: flex; flex-direction: column; }
.stat-box .num { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 700; color: var(--primary); }
.stat-box .label { font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; }

.sobre-image { position: relative; }
.img-wrapper { border-radius: 10px; overflow: hidden; box-shadow: 20px 20px 0 var(--bg-light); }
.experience-badge {
    position: absolute; bottom: 30px; left: -30px;
    background: var(--primary); color: var(--white);
    padding: 20px; border-radius: 8px;
    display: flex; flex-direction: column; align-items: center;
    box-shadow: 0 10px 30px rgba(242,101,34,0.4);
}
.experience-badge strong { font-size: 2rem; font-family: var(--font-heading); }
.experience-badge span { font-size: 0.7rem; text-transform: uppercase; font-weight: 600; text-align: center; }
.img-small {
    position: absolute; top: -30px; right: -20px;
    width: 200px; height: 200px;
    border: 8px solid var(--white);
    border-radius: 10px; overflow: hidden;
    box-shadow: var(--shadow);
}
.img-small img { width: 100%; height: 100%; object-fit: cover; }

/* ===== SERVICOS ===== */
.servicos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.servico-card {
    background: var(--accent);
    padding: 40px; border-radius: 10px;
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}
.servico-card:hover { transform: translateY(-10px); background: var(--secondary); border-color: var(--primary); }
.card-icon { width: 70px; height: 70px; background: rgba(242,101,34,0.1); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; margin-bottom: 25px; transition: var(--transition); }
.servico-card:hover .card-icon { background: var(--primary); color: var(--white); }
.servico-card h3 { font-family: var(--font-heading); font-size: 1.4rem; text-transform: uppercase; margin-bottom: 15px; }
.servico-card p { color: rgba(255,255,255,0.6); font-size: 0.95rem; margin-bottom: 20px; }
.card-link { color: var(--primary); font-weight: 600; font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }

/* ===== PORTFOLIO ===== */
.portfolio-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.portfolio-item { position: relative; border-radius: 10px; overflow: hidden; height: 350px; }
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.portfolio-item:hover img { transform: scale(1.1); }
.port-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition);
    padding: 30px; text-align: center;
}
.portfolio-item:hover .port-overlay { opacity: 1; }
.port-info h4 { color: var(--white); font-family: var(--font-heading); font-size: 1.5rem; text-transform: uppercase; margin-bottom: 10px; }
.port-info p { color: var(--primary); font-weight: 600; text-transform: uppercase; font-size: 0.8rem; }
.port-cta { text-align: center; margin-top: 50px; }
.port-cta p { font-size: 1.2rem; margin-bottom: 25px; color: var(--text-muted); }

/* ===== CONTATO ===== */
.contato-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.info-list { margin: 40px 0; }
.info-item { display: flex; gap: 20px; margin-bottom: 30px; }
.info-item .icon { width: 50px; height: 50px; background: var(--primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.info-item .text h4 { font-family: var(--font-heading); font-size: 1.1rem; text-transform: uppercase; color: var(--white); margin-bottom: 5px; }
.info-item .text p { color: rgba(255,255,255,0.7); }

.fiscal-data { background: rgba(255,255,255,0.05); padding: 25px; border-radius: 8px; border-left: 4px solid var(--primary); }
.fiscal-data h4 { font-family: var(--font-heading); text-transform: uppercase; margin-bottom: 15px; color: var(--primary); }
.fiscal-data p { font-size: 0.9rem; color: rgba(255,255,255,0.8); margin-bottom: 5px; }

.contato-form-box { background: var(--white); padding: 40px; border-radius: 10px; box-shadow: 0 15px 50px rgba(0,0,0,0.3); }
.contact-form h3 { font-family: var(--font-heading); font-size: 1.8rem; text-transform: uppercase; color: var(--secondary); margin-bottom: 30px; }
.form-group { margin-bottom: 20px; }
.form-group input, .form-group textarea { width: 100%; padding: 15px; border: 1px solid #ddd; border-radius: 4px; font-family: var(--font-body); font-size: 1rem; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
.w-100 { width: 100%; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.6); padding: 80px 0 30px; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 60px; }
.footer-col h4 { color: var(--white); font-family: var(--font-heading); text-transform: uppercase; margin-bottom: 25px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 40px; height: 2px; background: var(--primary); }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a:hover { color: var(--primary); padding-left: 5px; transition: 0.3s; }

.social-links { display: flex; gap: 15px; margin-top: 25px; }
.social-links a { width: 40px; height: 40px; background: rgba(255,255,255,0.05); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.social-links a:hover { background: var(--primary); transform: translateY(-3px); }

.newsletter { display: flex; margin-top: 20px; }
.newsletter input { flex: 1; padding: 12px; border: none; border-radius: 4px 0 0 4px; background: rgba(255,255,255,0.05); color: var(--white); }
.newsletter button { background: var(--primary); color: var(--white); border: none; padding: 0 20px; border-radius: 0 4px 4px 0; cursor: pointer; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 30px; text-align: center; font-size: 0.85rem; }

/* ===== FLOAT WHATSAPP ===== */
.wa-float { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; background: #25D366; color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; z-index: 1000; box-shadow: 0 10px 25px rgba(37,211,102,0.4); transition: var(--transition); }
.wa-float:hover { transform: scale(1.1); }
.wa-float .tooltip { position: absolute; right: 75px; background: var(--white); color: var(--secondary); padding: 5px 15px; border-radius: 5px; font-size: 0.85rem; font-weight: 600; opacity: 0; visibility: hidden; transition: var(--transition); box-shadow: var(--shadow); }
.wa-float:hover .tooltip { opacity: 1; visibility: visible; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .sobre-grid, .contato-wrapper { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu { position: fixed; top: 80px; left: -100%; width: 100%; background: var(--white); flex-direction: column; padding: 40px; transition: 0.5s; box-shadow: var(--shadow); }
    .nav-menu.active { left: 0; }
    .hamburger { display: flex; }
    .servicos-grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .top-bar { display: none; }
    .btn-call { display: none; }
}

@media (max-width: 480px) {
    .slide-btns { flex-direction: column; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}