/* Variables & Reset */
:root {
    --bg-white: #ffffff;
    --bg-light: #f0f4f8; /* Light Blue-Grey */
    --bg-dark: #131b24; /* Halstein Deep Slate */
    
    --text-dark: #1a1a1a;
    --text-light: #6b7c93; /* Softer grey text */
    --text-white: #ffffff;
    --text-white-muted: #aab6c5;
    
    --accent-color: #c5a47e; /* Muted Gold */
    --border-light: #e0e0e0;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Manrope', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
}

img {
    max-width: 100%;
    display: block;
    object-fit: cover;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Navigation (Light Version) --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    /* Changed to White with 95% opacity */
    background: rgba(255, 255, 255, 0.95); 
    padding: 20px 0;
    z-index: 1000;
    /* Changed border to faint grey */
    border-bottom: 1px solid rgba(0,0,0,0.05); 
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    letter-spacing: 1px;
    font-weight: 600;
    /* Changed to Dark Text */
    color: var(--text-dark); 
}

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

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    /* Changed to Dark Text */
    color: var(--text-dark); 
    font-weight: 500;
}

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

/* Burger for Mobile (Dark lines for light background) */
.burger {
    display: none;
    cursor: pointer;
}
.burger div {
    width: 25px;
    height: 2px;
    /* Changed to Dark Lines */
    background-color: var(--text-dark); 
    margin: 5px;
    transition: all 0.3s ease;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-color: var(--bg-dark);
    color: var(--text-white);
    overflow: hidden;
}

/* Background Image Overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Abstract Architecture Image */
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
    opacity: 0.2; /* Darkens the image */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding-top: 60px;
}

.overline {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent-color);
    margin-bottom: 25px;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 30px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-white-muted);
    margin-bottom: 45px;
    max-width: 600px;
}

.btn {
    display: inline-block;
    padding: 18px 45px;
    border: 1px solid var(--accent-color);
    color: var(--text-white);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 2px;
    transition: 0.3s;
}

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

/* --- About Section (New Image) --- */
.about-section {
    padding: 120px 0;
    background-color: var(--bg-white);
}

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

.about-img img {
    width: 100%;
    height: 500px; /* Force height for consistency */
    object-fit: cover;
}

.about-text h2 {
    font-size: 3rem;
    margin-bottom: 30px;
    line-height: 1.2;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

/* --- Services Section --- */
.services-section {
    padding: 120px 0;
    background-color: var(--bg-light); /* Light Grey/Blue Background */
}

.section-header {
    text-align: center;
    margin-bottom: 90px;
}

.section-header h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.divider {
    width: 60px;
    height: 2px;
    background-color: var(--accent-color);
    margin: 0 auto;
}

/* Service Card Design */
.service-block {
    background: var(--bg-white);
    padding: 50px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03); /* Subtle shadow */
    transition: transform 0.3s ease;
}

.service-block:hover {
    transform: translateY(-5px);
}

.service-title {
    font-size: 1.8rem;
    margin-bottom: 35px;
    color: var(--bg-dark);
}

.service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
}

.col h4 {
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.col p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.list-col ul li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    font-size: 0.95rem;
    color: var(--text-light);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding-bottom: 12px;
}

.list-col ul li::before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

/* --- Contact Section (Dark) --- */
.contact-section {
    padding: 120px 0;
    background-color: var(--bg-dark);
    color: var(--text-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    font-size: 3rem;
    margin-bottom: 30px;
}

.contact-info p {
    color: var(--text-white-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.contact-details span {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.contact-details a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-white);
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 5px;
}

.contact-form label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-white-muted);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.03);
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 1rem;
    margin-bottom: 25px;
    transition: 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255,255,255,0.05);
}

.btn-submit {
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    padding: 18px 45px;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: 0.3s;
}

.btn-submit:hover {
    background-color: #fff;
    color: var(--bg-dark);
}

/* Footer */
footer {
    background-color: #0d1218; /* Even darker than bg-dark */
    color: var(--text-white-muted);
    padding: 50px 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-white);
}

.copyright {
    font-size: 0.8rem;
}

/* --- Mobile Responsiveness --- */
@media screen and (max-width: 900px) {
    .service-grid, .about-grid, .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .about-img img {
        height: 300px;
    }

    .service-block {
        padding: 30px;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 92vh;
        top: 8vh;
        background-color: var(--bg-white);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        padding-top: 50px;
    }
    
    .burger {
        display: block;
    }
}

.nav-active {
    transform: translateX(0%);
}

/* Language Switcher Styles */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
}

.lang-switch .active {
    color: var(--accent-color);
    cursor: default;
    font-weight: 600;
}

.lang-switch .divider {
    color: #ccc;
}

.lang-switch a {
    opacity: 0.7;
}

.lang-switch a:hover {
    opacity: 1;
    color: var(--accent-color);
}


/* For long words on small screens */
@media screen and (max-width: 480px) {
    .hero h1 {
        font-size: 2rem; 
        word-wrap: break-word; 
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1rem; 
    }
}