/* --- PREMIUM B2B WEB STYLE GUIDE --- */
:root {
    --primary-brown: #3F2723;
    --primary-green: #183D26;
    --accent-orange: #EE6824;
    --bg-cream: #FAF8F5;
    --text-dark: #2A2421;
    --text-muted: #6D6460;
    --white: #FFFFFF;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-body); background-color: var(--bg-cream); color: var(--text-dark); line-height: 1.8; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--primary-brown); font-weight: 700; }
a { text-decoration: none; transition: all 0.3s ease; }
.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* --- HEADER & NAVIGATION --- */
header { background-color: var(--white); box-shadow: 0 4px 20px rgba(63, 39, 35, 0.05); position: sticky; top: 0; z-index: 1000; padding: 15px 0; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 55px; width: auto; display: block; }
nav ul { list-style: none; display: flex; gap: 30px; align-items: center; }
nav ul li a { color: var(--primary-brown); font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px; }
nav ul li a:hover, nav ul li a.active { color: var(--accent-orange); }
.btn-wa { background-color: var(--accent-orange); color: var(--white) !important; padding: 12px 24px; border-radius: 6px; font-weight: 700 !important; box-shadow: 0 4px 12px rgba(238, 104, 36, 0.2); }
.btn-wa:hover { background-color: #d1561a; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(238, 104, 36, 0.3); }

/* --- HERO SECTION --- */
.hero-inner { background: linear-gradient(rgba(63, 39, 35, 0.85), rgba(24, 61, 38, 0.85)), url('https://images.unsplash.com/photo-1625244724120-1fd1d34d00f6?auto=format&fit=crop&q=80&w=1920') center/cover; color: var(--white); padding: 120px 0; text-align: center; }
.hero-inner h1 { color: var(--white); font-size: 46px; margin-bottom: 20px; letter-spacing: -0.5px; }
.hero-inner p { font-size: 18px; max-width: 800px; margin: 0 auto 35px; color: #EFEBE9; }

/* --- PAGE HEADER (FOR INNER PAGES) --- */
.page-header { background: linear-gradient(rgba(63, 39, 35, 0.9), rgba(63, 39, 35, 0.9)), url('https://images.unsplash.com/photo-1595841696677-6489ff3f8cd1?auto=format&fit=crop&q=80&w=1200') center/cover; color: var(--white); padding: 60px 0; text-align: center; }
.page-header h1 { color: var(--white); font-size: 36px; text-transform: uppercase; }

/* --- SECTIONS --- */
.section-padding { padding: 80px 0; }
.section-title { font-size: 32px; text-align: center; margin-bottom: 15px; position: relative; padding-bottom: 15px; }
.section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 4px; background-color: var(--accent-orange); border-radius: 2px; }
.section-subtitle { text-align: center; color: var(--text-muted); font-size: 16px; margin-bottom: 50px; }

/* --- GRIDS & CARDS --- */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.card { background-color: var(--white); border-radius: 8px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.03); border: 1px solid #F1EDE9; transition: all 0.3s ease; }
.card:hover { transform: translateY(-5px); box-shadow: 0 12px 25px rgba(63, 39, 35, 0.08); }
.card img { width: 100%; height: 240px; object-fit: cover; }
.card-content { padding: 25px; }
.card-content h3 { font-size: 20px; margin-bottom: 12px; }
.card-content p { color: var(--text-muted); font-size: 15px; }

/* --- FOOTER --- */
footer { background-color: var(--primary-brown); color: #D7CCC8; padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: var(--white); font-size: 18px; margin-bottom: 20px; position: relative; }
.footer-col p { font-size: 14px; line-height: 1.8; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: #D7CCC8; font-size: 14px; }
.footer-col ul li a:hover { color: var(--accent-orange); padding-left: 5px; }
.footer-logo { height: 60px; margin-bottom: 15px; filter: brightness(0) invert(1); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; text-align: center; font-size: 13px; color: #8D6E63; }

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 768px) {
    .nav-wrapper { flex-direction: column; gap: 15px; }
    nav ul { flex-wrap: wrap; justify-content: center; gap: 15px; }
    .hero-inner h1 { font-size: 32px; }
    .grid-3 { grid-template-columns: 1fr; }
}