/* ========================================
   Itelas - Dynamic Metal Theme
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Oswald:wght@400;600;700&display=swap');

:root {
    --brand-red: #D32F2F;
    --brand-red-dark: #B71C1C;
    --metal-dark: #121417;
    --metal-medium: #1C1F24;
    --metal-light: #2C3038;
    --steel: #E0E0E0;
    --white: #FFFFFF;
    --whatsapp: #25D366;
    
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background-color: #F8F9FA;
    color: var(--metal-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .font-oswald {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    color: var(--metal-dark);
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-red { color: var(--brand-red); }
.w-100 { width: 100%; }

/* ========================================
   Componentes & Botões
   ======================================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 15px 30px; font-family: 'Oswald', sans-serif; font-size: 1rem; letter-spacing: 1px;
    border-radius: 4px; transition: var(--transition-fast); cursor: pointer; border: 2px solid transparent;
}
.btn-red { background: var(--brand-red); color: var(--white); box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4); }
.btn-red:hover { background: var(--brand-red-dark); transform: translateY(-3px); }

.btn-outline { border-color: var(--white); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--metal-dark); transform: translateY(-3px); }

.btn-solid-red {
    background: var(--brand-red); color: var(--white); padding: 10px 20px; font-family: 'Oswald', sans-serif;
    font-size: 0.9rem; letter-spacing: 1px; border-radius: 4px; transition: var(--transition-fast);
}
.btn-solid-red:hover { background: var(--brand-red-dark); }

/* ========================================
   Header Glassmorphism
   ======================================== */
.header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 20px 0; transition: var(--transition-fast); background: transparent;
}
.header.scrolled {
    padding: 10px 0; background: rgba(18, 20, 23, 0.95); backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.nav { display: flex; justify-content: space-between; align-items: center; }
.logo { height: 50px; transition: var(--transition-fast); filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));} /* Usa a logo sem fundo */

.nav-menu { display: flex; gap: 30px; list-style: none; }
.nav-menu a { color: var(--white); font-weight: 500; font-size: 0.95rem; position: relative; padding-bottom: 5px; transition: var(--transition-fast);}
.nav-menu a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--brand-red); transition: var(--transition-fast); }
.nav-menu a:hover::after { width: 100%; }
.nav-menu a:hover { color: var(--brand-red); }

.nav-actions { display: flex; align-items: center; gap: 20px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-toggle span { width: 30px; height: 3px; background: var(--white); transition: var(--transition-fast); border-radius: 2px;}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   Hero Dinâmico
   ======================================== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-position: center; background-size: cover; background-attachment: fixed; transform: scale(1.05); animation: slowZoom 20s linear infinite alternate;}
@keyframes slowZoom { 0% { transform: scale(1); } 100% { transform: scale(1.1); } }

.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,20,23,0.95) 0%, rgba(18,20,23,0.7) 50%, rgba(18,20,23,0.4) 100%); }
.hero-content { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; width: 100%; padding-top: 80px;}
.hero-text { max-width: 650px; }
.hero-text span:first-child { display: inline-block; color: var(--brand-red); font-weight: 600; letter-spacing: 2px; margin-bottom: 15px; }
.hero-text h1 { font-size: clamp(3rem, 5vw, 4.5rem); color: var(--white); line-height: 1.1; margin-bottom: 25px; }
.hero-text p { color: var(--steel); font-size: 1.15rem; margin-bottom: 40px; max-width: 550px;}

.hero-cards { display: flex; flex-direction: column; gap: 20px; }
.glass-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(10px); padding: 25px; border-radius: 8px; width: 280px; color: var(--white); box-shadow: 0 10px 30px rgba(0,0,0,0.3); transition: var(--transition-fast);}
.glass-card:hover { transform: translateX(-10px); border-color: var(--brand-red); }
.glass-card i { font-size: 2rem; margin-bottom: 15px; }
.glass-card h4 { color: var(--white); font-size: 1.2rem; margin-bottom: 5px; }
.glass-card p { font-size: 0.9rem; color: var(--steel); }

/* ========================================
   Sobre a Indústria
   ======================================== */
.about-section { padding: 100px 0; background: #FFFFFF; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.about-images { position: relative; }
.img-main { border-radius: 8px; box-shadow: 0 20px 40px rgba(0,0,0,0.15); width: 100%; height: 500px; object-fit: cover;}
.experience-badge { position: absolute; bottom: 30px; right: -30px; background: var(--brand-red); padding: 30px; border-radius: 8px; color: var(--white); text-align: center; box-shadow: 0 15px 30px rgba(211, 47, 47, 0.3); display: flex; align-items: center; gap: 15px;}
.experience-badge .counter { font-family: 'Oswald', sans-serif; font-size: 4rem; line-height: 1; font-weight: 700; }
.experience-badge .badge-text { font-size: 0.9rem; text-transform: uppercase; font-weight: 600; text-align: left; line-height: 1.2;}

.section-title { font-size: clamp(2.5rem, 4vw, 3.5rem); margin-bottom: 25px; line-height: 1.2; }
.about-info p { margin-bottom: 20px; font-size: 1.05rem; color: #555; }
.check-list { list-style: none; margin-top: 30px; }
.check-list li { margin-bottom: 15px; display: flex; align-items: center; gap: 15px; font-weight: 500; color: var(--metal-dark);}
.check-list li i { color: var(--white); background: var(--brand-red); width: 25px; height: 25px; display: flex; justify-content: center; align-items: center; border-radius: 50%; font-size: 0.7rem;}

/* ========================================
   Produtos (Cards com Dinamismo/Overlay)
   ======================================== */
.products-section { padding: 100px 0; background: #F4F5F7; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .subtitle { color: var(--brand-red); font-weight: 700; letter-spacing: 2px; display: block; margin-bottom: 10px;}

.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.product-card { position: relative; border-radius: 8px; overflow: hidden; height: 380px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); cursor: pointer; }
.product-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.product-card:hover img { transform: scale(1.1); }

.card-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,20,23,0.1) 0%, rgba(18,20,23,0.95) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; color: var(--white); transition: var(--transition-slow); }
.card-overlay h3 { color: var(--white); font-size: 1.8rem; margin-bottom: 10px; transform: translateY(20px); transition: var(--transition-slow); }
.card-overlay p { font-size: 0.95rem; color: var(--steel); opacity: 0; transform: translateY(20px); transition: var(--transition-slow); margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-btn { display: inline-block; padding: 10px 20px; background: var(--brand-red); color: var(--white); font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 1px; border-radius: 4px; opacity: 0; transform: translateY(20px); transition: var(--transition-slow); align-self: flex-start;}

.product-card:hover .card-overlay { background: rgba(18,20,23,0.85); }
.product-card:hover .card-overlay h3, 
.product-card:hover .card-overlay p, 
.product-card:hover .card-btn { opacity: 1; transform: translateY(0); }
.product-card:hover .card-overlay p { transition-delay: 0.1s; }
.product-card:hover .card-btn { transition-delay: 0.2s; }

/* ========================================
   Diferenciais (Seção Escura)
   ======================================== */
.differentials-section { background: var(--metal-dark); color: var(--white); padding: 100px 0; }
.differentials-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.diff-content h2 { color: var(--white); margin-bottom: 20px; }
.diff-content p { color: var(--steel); font-size: 1.1rem; margin-bottom: 40px; }

.diff-stats { display: flex; gap: 40px; }
.diff-stats .stat .counter { font-size: 4rem; font-family: 'Oswald', sans-serif; font-weight: 700; line-height: 1;}
.diff-stats .stat p { color: var(--white); font-weight: 500; font-size: 1rem; text-transform: uppercase; margin-top: 5px;}

.branded-img { border-radius: 8px; border: 4px solid var(--metal-light); box-shadow: 0 15px 30px rgba(0,0,0,0.5); }

/* ========================================
   Contato Integrado
   ======================================== */
.contact-section { padding: 100px 0; background: #FFFFFF; }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; background: var(--white); border-radius: 12px; box-shadow: 0 20px 50px rgba(0,0,0,0.08); overflow: hidden; border: 1px solid #EEE;}

.contact-info { background: var(--metal-dark); color: var(--white); padding: 60px 50px; }
.contact-info h2 { color: var(--white); margin-bottom: 15px; }
.contact-info p { color: var(--steel); margin-bottom: 40px; }

.contact-list { list-style: none; display: flex; flex-direction: column; gap: 30px; }
.contact-list li { display: flex; gap: 20px; align-items: flex-start; }
.icon-box { background: rgba(211, 47, 47, 0.1); color: var(--brand-red); width: 50px; height: 50px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; border: 1px solid rgba(211, 47, 47, 0.2);}
.info-text strong { display: block; font-size: 1.1rem; margin-bottom: 5px; }
.info-text span { color: var(--steel); font-size: 0.9rem; }

.contact-form-box { padding: 60px 50px; background: var(--white); }
.contact-form-box h3 { margin-bottom: 30px; font-size: 1.8rem; }
.contact-form-box form { display: flex; flex-direction: column; gap: 20px; }
.contact-form-box input, .contact-form-box select, .contact-form-box textarea { width: 100%; padding: 15px; border: 1px solid #DDD; border-radius: 4px; font-family: 'Inter', sans-serif; font-size: 1rem; background: #F9F9F9; transition: var(--transition-fast);}
.contact-form-box input:focus, .contact-form-box select:focus, .contact-form-box textarea:focus { outline: none; border-color: var(--brand-red); background: var(--white); }

/* ========================================
   Footer
   ======================================== */
.footer { background: #0A0B0D; color: #888; padding: 80px 0 20px; border-top: 4px solid var(--brand-red);}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 50px; margin-bottom: 50px; }
.footer-brand img { width: 180px; margin-bottom: 20px; filter: brightness(1.2);} /* Clareia a logo no fundo escuro */
.footer-brand p { margin-bottom: 25px; font-size: 0.95rem; }
.socials a { display: inline-flex; width: 40px; height: 40px; background: rgba(255,255,255,0.05); color: var(--white); border-radius: 4px; align-items: center; justify-content: center; margin-right: 10px; transition: var(--transition-fast);}
.socials a:hover { background: var(--brand-red); transform: translateY(-3px); }

.footer-links h4, .footer-contact h4 { color: var(--white); margin-bottom: 20px; font-size: 1.1rem;}
.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { transition: var(--transition-fast); }
.footer-links ul li a:hover { color: var(--brand-red); padding-left: 5px; }

.footer-contact p { margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }

.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); font-size: 0.85rem; }

/* ========================================
   WhatsApp Float
   ======================================== */
.float-whatsapp { position: fixed; bottom: 30px; right: 30px; background: var(--whatsapp); color: var(--white); width: 60px; height: 60px; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 2rem; z-index: 1000; box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); transition: var(--transition-fast); animation: pulse 2s infinite; }
.float-whatsapp:hover { transform: scale(1.1); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); } 70% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); } 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); } }

/* ========================================
   Animações Globais (Dinamismo Solicitado)
   ======================================== */
.fade-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; transition-delay: var(--delay, 0s); }
.fade-right { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-left { opacity: 0; transform: translateX(40px); transition: opacity 0.8s ease, transform 0.8s ease; }

.fade-up.visible, .fade-right.visible, .fade-left.visible { opacity: 1; transform: translate(0); }

/* ========================================
   Responsividade
   ======================================== */
@media (max-width: 991px) {
    .nav-actions .btn-solid-red { display: none; }
    .nav-toggle { display: flex; }
    .nav-menu { position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: var(--metal-dark); flex-direction: column; padding: 100px 30px; box-shadow: -10px 0 30px rgba(0,0,0,0.5); transition: var(--transition-fast); border-left: 2px solid var(--brand-red);}
    .nav-menu.active { right: 0; }
    .nav-menu a { font-size: 1.2rem; }
    
    .hero-content { flex-direction: column; text-align: center; }
    .hero-cards { flex-direction: row; justify-content: center; margin-top: 40px; width: 100%;}
    .hero-text { align-items: center; display: flex; flex-direction: column; }
    
    .about-grid, .differentials-grid { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    
    .experience-badge { bottom: -20px; right: 20px; padding: 20px;}
}

@media (max-width: 768px) {
    .hero-text h1 { font-size: 2.8rem; }
    .hero-cards { flex-direction: column; align-items: center; }
    .hero-buttons { flex-direction: column; width: 100%; }
    .hero-buttons a { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
    .diff-stats { flex-direction: column; gap: 20px; }
}