:root {
    --bg-light: #ffffff;
    --bg-alt: #f4f4f4;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --accent: #1d4ed8; /* navy blue */
    --accent-dark: #1e40af;
    --border: #e0e0e0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
}

h1, h2, h3, h4, h5, h6, .logo {
    font-family: 'Montserrat', sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 85%;
    max-width: 1300px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 1rem 2rem;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
    transition: 0.3s;
    border-radius: 4px;
}

.btn:hover {
    background: var(--accent-dark);
}

.highlight {
    color: var(--accent);
}

/* Navbar */
.navbar {
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
    background: var(--bg-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span {
    color: var(--accent);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: var(--accent);
    font-size: 1.1rem;
}

.nav-phone:hover {
    color: var(--accent-dark);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

.menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    display: flex;
    min-height: 85vh;
}

.hero-content {
    flex: 1;
    padding: 5rem 5% 5rem 7.5%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--bg-alt);
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -2px;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    max-width: 500px;
}

.hero-image {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.badge {
    position: absolute;
    bottom: 0;
    left: 0;
    background: var(--text-dark);
    color: #fff;
    padding: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.badge .num {
    font-size: 3rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    color: var(--accent);
}

.badge .txt {
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 2px;
}

/* Stats */
.stats {
    border-bottom: 1px solid var(--border);
    background: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.stat-box {
    padding: 3rem 2rem;
    text-align: center;
    border-right: 1px solid var(--border);
}

.stat-box:last-child {
    border-right: none;
}

.stat-box h2 {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.stat-box p {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-gray);
}

/* Common Section Headers */
.sec-heading, .about-title {
    margin-bottom: 3rem;
}

.sec-heading h6, .about-title h6 {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
}

.sec-heading h2, .about-title h2 {
    font-size: 2.5rem;
    letter-spacing: -1px;
}

/* About */
.about {
    padding: 8rem 0;
}

.about-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
    font-size: 1.05rem;
}

.about-banner-composite {
    position: relative;
    height: 500px;
    margin-top: 2rem;
}

.img-back {
    position: absolute;
    width: 60%;
    height: 400px;
    object-fit: cover;
    left: 5%;
    top: 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.img-front {
    position: absolute;
    width: 50%;
    height: 350px;
    object-fit: cover;
    right: 5%;
    bottom: 0;
    border: 10px solid #fff;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* Services */
.services {
    background: var(--bg-alt);
    padding: 8rem 0;
}

.service-list {
    border-top: 2px solid var(--text-dark);
}

.service-row {
    display: flex;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
    transition: 0.3s;
}

.service-row:hover {
    background: #fff;
    padding-left: 2rem;
    padding-right: 2rem;
}

.srv-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    width: 100px;
}

.srv-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.srv-info h3 {
    font-size: 1.5rem;
    width: 40%;
}

.srv-info p {
    width: 55%;
    color: var(--text-gray);
}

/* Why Choose Us */
.why-us {
    padding: 8rem 0;
    background: #fff;
}

.why-wrap {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.why-content {
    flex: 1;
}

.why-list {
    list-style: none;
}

.why-list li {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.why-list i {
    font-size: 2rem;
    color: var(--accent);
    margin-top: 0.3rem;
}

.why-list h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.why-list p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.why-image {
    flex: 1;
    height: 500px;
    position: relative;
    padding-right: 20px;
    padding-bottom: 20px;
}

.why-image::after {
    content: '';
    position: absolute;
    top: 20px;
    right: 0;
    bottom: 0;
    left: 20px;
    border: 4px solid var(--accent);
    border-radius: 40px 0 40px 0;
    z-index: 1;
}

.why-image img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 40px 0 40px 0;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Projects */
.projects {
    padding: 8rem 0;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 350px;
    gap: 1.5rem;
}

.gal-item {
    position: relative;
}

.gal-item.large {
    grid-row: span 2;
}

.gal-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0 40px 0 40px;
    transition: 0.5s;
    position: relative;
    z-index: 2;
}

.gal-item::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    width: calc(100% - 30px);
    height: calc(100% - 30px);
    border: 3px solid var(--accent);
    border-radius: 0 30px 0 30px;
    z-index: 3;
    pointer-events: none;
    transition: 0.4s;
    opacity: 0;
    transform: scale(0.95);
}

.gal-item:hover::before {
    opacity: 1;
    transform: scale(1);
}

.gal-item:hover img {
    filter: brightness(0.8);
}

.gal-info {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: #fff;
    padding: 1.5rem 2rem;
    z-index: 4;
    border-radius: 0 15px 0 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.gal-info h4 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.gal-info span {
    color: var(--text-gray);
    font-size: 0.85rem;
}

/* Footer */
.footer-top {
    background: var(--text-dark);
    color: #fff;
    padding: 5rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
}

.f-brand h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.f-brand span {
    color: var(--accent);
}

.f-contact p {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #ccc;
}

.f-contact i {
    color: var(--accent);
}

.f-bottom {
    background: #111;
    color: #666;
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.9rem;
}

/* WhatsApp */
.wa-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 999;
}

/* Responsive */
@media (max-width: 992px) {
    .hero { flex-direction: column; min-height: auto; }
    .hero-content { padding: 4rem 5%; }
    .hero-image { height: 400px; }
    .about-wrap { grid-template-columns: 1fr; gap: 2rem; }
    .about-banner-composite { height: 350px; }
    .img-back { width: 80%; height: 250px; }
    .img-front { width: 60%; height: 200px; }
    .gallery { grid-template-columns: 1fr; grid-auto-rows: 300px; }
    .gal-item.large { grid-row: span 1; }
    .srv-info { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .srv-info h3, .srv-info p { width: 100%; }
}

@media (max-width: 768px) {
    .stats-grid { grid-template-columns: 1fr; }
    .stat-box { border-right: none; border-bottom: 1px solid var(--border); }
    .footer-grid { grid-template-columns: 1fr; }
    .why-wrap { flex-direction: column; gap: 3rem; }
    .why-image { height: 350px; width: 100%; }
    .menu-btn { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.active { display: flex; }
}