@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
    --bg-main: #0a0b0e;
    --bg-card: #12151c;
    --bg-card-hover: #1a1e27;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(220, 38, 38, 0.3);
    
    /* Harmonious construction/industrial palette */
    --color-primary: #dc2626; /* Vibrant red */
    --color-primary-hover: #b91c1c;
    --color-text-main: #f5f6f8;
    --color-text-muted: #9ba1ad;
    --color-white: #ffffff;
    
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --max-width: 1200px;
    --header-height: 140px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-main);
    color: var(--color-text-main);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
}

h2 {
    font-size: 2.25rem;
    position: relative;
    padding-bottom: 15px;
}

/* Decorative underline for h2 */
h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

h2.center-align::after {
    left: 50%;
    transform: translateX(-50%);
}

p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

/* --- Layout Elements --- */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header p {
    max-width: 650px;
    margin: 15px auto 0;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-weight: 600;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #000000;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.25);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* --- Header / Navigation --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 11, 14, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-smooth);
}

header.scrolled {
    background: rgba(10, 11, 14, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo img {
    height: 110px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-smooth);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
}

.nav-cta {
    margin-left: 10px;
}

/* Hamburger menu button */
.hamburger {
    display: none;
    cursor: pointer;
    background: transparent;
    border: none;
    flex-direction: column;
    gap: 6px;
    padding: 5px;
    z-index: 1100;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-smooth);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: url('assets/images/hero-bg.jpg') center/cover no-repeat;
    margin-top: 0;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10, 11, 14, 0.95) 40%, rgba(10, 11, 14, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    z-index: 2;
    padding-top: 40px;
}

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: 50px;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 20px;
    color: var(--color-white);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 35px;
    color: var(--color-text-muted);
}

.hero-btns {
    display: flex;
    gap: 15px;
}

/* --- Value Proposition Grid --- */
.why-choose-us {
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.why-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.why-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.why-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.why-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

/* --- Services Section --- */
.services {
    background-color: rgba(255, 255, 255, 0.01);
    border-bottom: 1px solid var(--border-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 35px;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.service-img-wrapper {
    position: relative;
    height: 240px;
    width: 100%;
    overflow: hidden;
}

.service-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.service-card:hover img {
    transform: scale(1.08);
}

.service-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    margin-bottom: 25px;
    flex-grow: 1;
}

/* --- Gallery/Showcase --- */
.gallery {
    border-bottom: 1px solid var(--border-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 280px;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 11, 14, 0.8);
    opacity: 0;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h4 {
    color: var(--color-primary);
    font-size: 1.2rem;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay h4 {
    transform: translateY(0);
}

/* --- Contact & Location Layout --- */
.contact-section {
    background-color: var(--bg-main);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 60px;
    align-items: start;
}

.contact-info-panel h2 {
    margin-bottom: 20px;
}

.contact-info-panel > p {
    margin-bottom: 40px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.info-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    background: rgba(220, 38, 38, 0.08);
    padding: 12px;
    border-radius: 50%;
    line-height: 1;
}

.info-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.info-text p {
    font-size: 1rem;
}

/* Contact Form */
.contact-form-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-white);
}

.form-control {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* --- About Page Redesign Styles --- */
.about-hero {
    padding-top: 140px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border-color);
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h1 {
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1.15rem;
    margin-bottom: 30px;
}

.about-img-box {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.about-img-box img {
    width: 100%;
    height: auto;
    display: block;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Footer --- */
footer {
    background-color: #06070a;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand img {
    height: 48px;
    margin-bottom: 20px;
}

.footer-brand p {
    max-width: 300px;
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 8px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-text-muted);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom p {
    font-size: 0.9rem;
}

/* --- Media Queries --- */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .contact-layout, .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-main);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: var(--transition-smooth);
        border-top: 1px solid var(--border-color);
        z-index: 1000;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero {
        height: auto;
        padding: 140px 0 80px;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}