/*
Theme Name: PRBZ Concrete Solutions
Description: High-load industrial design for monolithic construction and concrete experts.
Author: Senior Frontend Designer
Version: 1.0.1
*/

:root {
    --c-bg: #FFFFFF;
    --c-text: #111111;
    --c-accent: #666666;
    --c-grey: #F2F2F2;
    --c-border: #E0E0E0;
    --f-main: 'Montserrat', sans-serif;
    --f-body: 'Inter', sans-serif;
    --container: 1400px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--c-bg) !important;
    color: var(--c-text) !important;
    font-family: var(--f-body), sans-serif !important;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container) !important;
    margin: 0 auto !important;
    padding: 0 40px !important;
}

h1, h2, h3, h4 { font-family: var(--f-main) !important; text-transform: uppercase; font-weight: 900; line-height: 1.1; }

a { text-decoration: none !important; color: inherit; transition: 0.3s; }

/* Header */
.site-header {
    height: 100px !important;
    display: flex !important;
    align-items: center !important;
    border-bottom: 2px solid var(--c-text) !important;
    background: #fff !important;
    position: sticky !important;
    top: 0;
    z-index: 1000;
}

.header-wrap {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    width: 100% !important;
}

.logo { font-size: 1.5rem !important; font-weight: 900 !important; letter-spacing: -1px !important; display: block !important; }
.logo span { background: var(--c-text) !important; color: #fff !important; padding: 2px 8px !important; margin-left: 5px !important; }

.main-nav ul { display: flex !important; list-style: none !important; gap: 40px !important; }
.main-nav a { font-family: var(--f-main) !important; font-size: 0.8rem !important; font-weight: 800 !important; text-transform: uppercase !important; }

/* Hero Section */
.hero {
    padding: 120px 0 !important;
    border-bottom: 2px solid var(--c-text) !important;
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    align-items: center !important;
    gap: 80px !important;
}

.hero-content h1 { font-size: clamp(3rem, 6vw, 5.5rem) !important; margin-bottom: 40px !important; }
.hero-content p { font-size: 1.25rem !important; color: #555 !important; max-width: 500px !important; margin-bottom: 50px !important; }

.hero-visual {
    position: relative !important;
    aspect-ratio: 4/3 !important;
    background: var(--c-grey) !important;
    border: 2px solid var(--c-text) !important;
    padding: 20px !important;
    display: block !important;
}
.hero-visual img { width: 100% !important; height: 100% !important; object-fit: cover !important; }

.hero-btn {
    display: inline-block !important;
    padding: 20px 40px !important;
    background: var(--c-text) !important;
    color: #fff !important;
    font-family: var(--f-main) !important;
    font-weight: 900 !important;
    text-transform: uppercase !important;
    font-size: 0.9rem !important;
}

/* Technical Grid */
.tech-grid {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    border-bottom: 2px solid var(--c-text) !important;
}
.tech-item {
    padding: 60px 40px !important;
    border-right: 2px solid var(--c-text) !important;
}
.tech-item:last-child { border-right: none !important; }
.t-num { font-family: var(--f-main) !important; font-size: 3rem !important; font-weight: 900 !important; display: block !important; margin-bottom: 10px !important; }
.t-label { font-size: 0.8rem !important; text-transform: uppercase !important; font-weight: 800 !important; color: #777 !important; }

/* Sections */
.section-pad { padding: 120px 0 !important; }
.section-header { margin-bottom: 80px !important; }
.section-header h2 { font-size: 3.5rem !important; }

.concrete-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1px !important;
    background: var(--c-text) !important;
    border: 1px solid var(--c-text) !important;
}

.concrete-card {
    background: #fff !important;
    padding: 50px !important;
    display: flex !important;
    flex-direction: column !important;
}

.c-card-img {
    aspect-ratio: 16/9 !important;
    background: var(--c-grey) !important;
    margin-bottom: 30px !important;
    overflow: hidden !important;
    display: block !important;
}
.c-card-img img { width: 100% !important; height: 100% !important; object-fit: cover !important; }

.c-card-cat { font-size: 0.7rem !important; font-weight: 800 !important; text-transform: uppercase !important; color: var(--c-accent) !important; margin-bottom: 15px !important; display: block !important; }
.concrete-card h3 { font-size: 1.4rem !important; margin-bottom: 20px !important; line-height: 1.2 !important; height: 3.4rem; overflow: hidden; }

.c-card-btn {
    margin-top: auto !important;
    font-family: var(--f-main) !important;
    font-weight: 900 !important;
    text-transform: uppercase !important;
    font-size: 0.8rem !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
}

/* Feature Block */
.feature-block {
    background: var(--c-text) !important;
    color: #fff !important;
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
}
.fb-content { padding: 100px 8% !important; display: flex !important; flex-direction: column !important; justify-content: center !important; }

/* Pagination */
.concrete-pagination { display: flex !important; justify-content: center !important; gap: 10px !important; margin-top: 80px !important; }
.c-page-link {
    padding: 15px 25px !important;
    border: 2px solid var(--c-text) !important;
    font-family: var(--f-main) !important;
    font-weight: 900 !important;
}
.c-page-link.current { background: var(--c-text) !important; color: #fff !important; }

/* Mobile Menu */
.mob-btn { display: none; cursor: pointer; }

@media (max-width: 1200px) {
    .hero { grid-template-columns: 1fr !important; text-align: center; }
    .tech-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .concrete-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .feature-block { grid-template-columns: 1fr !important; }
}

@media (max-width: 768px) {
    .main-nav { display: none !important; }
    .mob-btn { display: block !important; }
    .tech-grid { grid-template-columns: 1fr !important; }
    .concrete-grid { grid-template-columns: 1fr !important; }
}