/* assets/css/style.css */

:root {
    /* Color Palette */
    --primary-dark: #17202A;
    --charcoal-dark: #202A33;
    --concrete-grey: #66717C;
    --light-concrete: #F2F4F5;
    --white: #FFFFFF;
    --construction-yellow: #F5B301;
    --deep-yellow: #D99000;
    --text-dark: #2F3A43;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --font-technical: 'Roboto Mono', monospace;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--light-concrete);
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Blueprint / Grid Backgrounds */
.bg-blueprint {
    background-color: var(--primary-dark);
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    color: var(--white);
    position: relative;
}

.bg-concrete {
    background-color: var(--light-concrete);
    position: relative;
}

.bg-charcoal {
    background-color: var(--charcoal-dark);
    color: var(--white);
}

/* Technical Labels */
.tech-label {
    font-family: var(--font-technical);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--construction-yellow);
    display: inline-block;
    margin-bottom: 1rem;
    position: relative;
    padding-left: 20px;
}
.tech-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 1px;
    background-color: var(--construction-yellow);
}
.tech-label-dark {
    color: var(--concrete-grey);
}
.tech-label-dark::before {
    background-color: var(--concrete-grey);
}

/* Corner Markers */
.corner-markers {
    position: relative;
}
.corner-markers::before, .corner-markers::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid var(--construction-yellow);
    opacity: 0.5;
}
.corner-markers::before {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}
.corner-markers::after {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

/* Buttons */
.btn-construction {
    background-color: var(--construction-yellow);
    color: var(--primary-dark);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 28px;
    border: 2px solid var(--construction-yellow);
    border-radius: 0; /* Square for architectural feel */
    transition: all 0.3s ease;
}
.btn-construction:hover {
    background-color: var(--deep-yellow);
    border-color: var(--deep-yellow);
    color: var(--primary-dark);
}

.btn-outline-construction {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--construction-yellow);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 28px;
    border-radius: 0;
    transition: all 0.3s ease;
}
.btn-outline-construction:hover {
    background-color: var(--construction-yellow);
    color: var(--primary-dark);
}

/* Header & Navbar */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1030;
    transition: all 0.4s ease;
    padding: 15px 0;
    background-color: transparent;
}
.site-header.scrolled {
    background-color: rgba(23, 32, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    padding: 10px 0;
}
.navbar-brand .logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--white);
    margin: 0;
    line-height: 1;
    font-size: 1.5rem;
}
.navbar-brand .logo-sub {
    font-family: var(--font-technical);
    font-size: 0.65rem;
    color: var(--construction-yellow);
    letter-spacing: 2px;
}
.navbar-dark .navbar-nav .nav-link {
    color: var(--light-concrete);
    font-family: var(--font-main);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin: 0 10px;
    position: relative;
    transition: color 0.3s;
}
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--construction-yellow);
}
.navbar-dark .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--construction-yellow);
    transition: width 0.3s ease;
}
.navbar-dark .navbar-nav .nav-link:hover::after,
.navbar-dark .navbar-nav .nav-link.active::after {
    width: 100%;
}
.navbar-toggler {
    border-radius: 0;
    border-color: rgba(255,255,255,0.1);
}

.page-header-section {
    padding-top: 150px !important;
    padding-bottom: 80px !important;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.hero-content {
    position: relative;
    z-index: 2;
}
.hero-heading {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--white);
}
.hero-text {
    font-size: 1.1rem;
    color: var(--light-concrete);
    margin-bottom: 2rem;
    max-width: 500px;
}
.hero-image-wrapper {
    position: relative;
    height: 80vh;
    width: 100%;
}
.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%) contrast(1.2);
}
.hero-overlay-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background-color: var(--charcoal-dark);
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.1);
    z-index: 3;
}
.tech-stats {
    list-style: none;
    padding: 0;
    margin: 0;
}
.tech-stats li {
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 1rem;
}
.tech-stats li:last-child {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}
.tech-stats .label {
    display: block;
    font-family: var(--font-technical);
    font-size: 0.65rem;
    color: var(--concrete-grey);
    margin-bottom: 5px;
}
.tech-stats .value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--white);
}
.blueprint-lines {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none;
    z-index: 2;
    background: 
        linear-gradient(transparent 99%, rgba(245, 179, 1, 0.1) 100%),
        linear-gradient(90deg, transparent 99%, rgba(245, 179, 1, 0.1) 100%);
    background-size: 50px 50px;
}

/* Quick Enquiry Strip */
.quick-enquiry-strip {
    background-color: var(--construction-yellow);
    padding: 2rem 0;
    position: relative;
    z-index: 10;
}
.quick-enquiry-strip h4 {
    color: var(--primary-dark);
    margin: 0;
}
.quick-enquiry-strip p {
    color: var(--primary-dark);
    margin: 0;
    opacity: 0.8;
}

/* Architecture Timeline */
.timeline-arch {
    position: relative;
    padding-left: 40px;
}
.timeline-arch::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 2px;
    background-color: var(--construction-yellow);
}
.timeline-step {
    position: relative;
    margin-bottom: 3rem;
}
.timeline-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: -45px;
    width: 12px;
    height: 12px;
    background-color: var(--primary-dark);
    border: 2px solid var(--construction-yellow);
    border-radius: 50%;
}
.timeline-number {
    font-family: var(--font-technical);
    color: var(--construction-yellow);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* Technical Cards */
.tech-card {
    background-color: var(--white);
    padding: 2.5rem;
    height: 100%;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--light-concrete);
}
.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: var(--construction-yellow);
}
.tech-card-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--light-concrete);
    position: absolute;
    top: 1rem;
    right: 1rem;
    line-height: 1;
}
.tech-card-dark {
    background-color: var(--charcoal-dark);
    border-color: rgba(255,255,255,0.05);
    color: var(--light-concrete);
}
.tech-card-dark h4 {
    color: var(--white);
}
.tech-card-dark .tech-card-number {
    color: rgba(255,255,255,0.05);
}
.tech-card-dark:hover {
    border-color: var(--construction-yellow);
}

/* Service Image Cards */
.service-img-card {
    position: relative;
    overflow: hidden;
    height: 400px;
}
.service-img-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.service-img-card:hover img {
    transform: scale(1.05);
}
.service-img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(23,32,42,0.9) 0%, transparent 100%);
    color: var(--white);
}
.service-img-overlay h4 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

/* Contact Block */
.contact-block {
    background-color: var(--charcoal-dark);
    padding: 3rem;
    color: var(--white);
    border-left: 4px solid var(--construction-yellow);
}

/* Form Styles */
.form-control, .form-select {
    border-radius: 0;
    border: 1px solid var(--concrete-grey);
    padding: 12px 15px;
    background-color: transparent;
    color: var(--primary-dark);
}
.form-control:focus, .form-select:focus {
    background-color: transparent;
    border-color: var(--construction-yellow);
    box-shadow: none;
}
.form-label {
    font-family: var(--font-technical);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.bg-charcoal .form-control, .bg-charcoal .form-select {
    color: var(--white);
    border-color: rgba(255,255,255,0.2);
}
.bg-charcoal .form-control:focus, .bg-charcoal .form-select:focus {
    border-color: var(--construction-yellow);
}

/* Footer */
.site-footer {
    background-color: var(--primary-dark);
    color: var(--light-concrete);
    padding: 5rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-heading {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}
.footer-links {
    list-style: none;
    padding: 0;
}
.footer-links li {
    margin-bottom: 0.8rem;
}
.footer-links a {
    color: var(--concrete-grey);
    text-decoration: none;
    transition: color 0.3s;
}
.footer-links a:hover {
    color: var(--construction-yellow);
}

/* Cookie Consent */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 1.5rem;
    z-index: 2000;
    border-top: 2px solid var(--construction-yellow);
    transform: translateY(100%);
    transition: transform 0.5s ease;
}
.cookie-banner.show {
    transform: translateY(0);
}

/* Floating Actions */
.floating-actions {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.float-btn {
    width: 50px;
    height: 50px;
    background-color: var(--construction-yellow);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}
.float-btn:hover {
    background-color: var(--primary-dark);
    color: var(--construction-yellow);
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
    .hero-heading {
        font-size: 2.5rem;
    }
    .hero-image-wrapper {
        height: 50vh;
        margin-top: 2rem;
    }
    .hero-overlay-card {
        bottom: 0;
        left: 0;
        width: 100%;
    }
    .site-header {
        background-color: var(--primary-dark);
    }
    .navbar-collapse {
        background-color: var(--primary-dark);
        padding: 1rem;
        margin-top: 1rem;
    }
}