/* ===== CSS Variables ===== */
:root {
    /* Brand Colors */
    --color-primary: #0A192F;      /* Deep Navy Blue */
    --color-primary-light: #112240;
    --color-accent: #D4AF37;       /* Subtle Gold */
    --color-accent-hover: #F3D56D;
    
    /* Background Colors */
    --color-bg: #FFFFFF;
    --color-bg-light: #F8F9FA;
    --color-bg-dark: #112240;
    
    /* Text Colors */
    --color-text-main: #333333;
    --color-text-light: #666666;
    --color-text-white: #FFFFFF;
    --color-text-muted: #A0AEC0;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
    
    /* UI Elements */
    --border-radius: 4px;
    --nav-height: 90px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== Typography ===== */
h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }

.subtitle {
    display: block;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    font-family: var(--font-body);
}

.lead {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

/* ===== Layout Utilities ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--spacing-xxl) 0;
}

.bg-light { background-color: var(--color-bg-light); }
.bg-dark { 
    background-color: var(--color-bg-dark); 
    color: var(--color-text-white);
}
.bg-dark h2, .bg-dark h3 { color: var(--color-text-white); }
.bg-dark p { color: var(--color-text-muted); }

.text-center { text-align: center; }

.section-header {
    margin-bottom: var(--spacing-xl);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--color-text-white);
    border: 1px solid var(--color-text-white);
}

.btn-outline-white:hover {
    background-color: var(--color-text-white);
    color: var(--color-primary);
}

/* ===== Navigation ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition);
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-sm);
}

nav.scrolled .logo,
nav.scrolled .nav-links a {
    color: var(--color-primary);
}

nav.scrolled .btn-outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

nav.scrolled .btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-text-white);
}

nav.scrolled .mobile-menu-btn span {
    background-color: var(--color-primary);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-white);
    letter-spacing: 1px;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

/* Nav logo specific - hidden by default to avoid square on dark hero */
nav .logo-img {
    max-width: 0;
    opacity: 0;
    margin-right: 0;
    overflow: hidden;
}

/* Nav logo specific - visible on scroll */
nav.scrolled .logo-img {
    max-width: 40px;
    opacity: 1;
    margin-right: 12px;
}

/* Footer & Other logos - always visible */
footer .logo-img,
.legal-content .logo-img {
    margin-right: 12px;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--color-text-white);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-accent);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-dropdown > a {
    cursor: default;
}

.dropdown-content {
    position: absolute;
    top: calc(100% + 5px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background-color: #ffffff;
    min-width: 260px;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    display: none;
    flex-direction: column;
    padding: 1rem 0;
    border: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-content {
    display: flex;
    animation: dropdownFadeIn 0.3s ease forwards;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.nav-links .dropdown-content a {
    color: var(--color-text-main);
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 400;
    transition: background-color 0.2s, color 0.2s;
}

nav.scrolled .nav-links .dropdown-content a {
    color: var(--color-text-main);
}

.nav-links .dropdown-content a::after {
    display: none;
}

.nav-links .dropdown-content a:hover {
    background-color: var(--color-bg-light);
    color: var(--color-accent);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-white);
    transition: var(--transition);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    z-index: 999;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    color: var(--color-text-white);
    font-family: var(--font-heading);
    font-size: 2rem;
    margin: 1rem 0;
}

.mobile-menu a:hover {
    color: var(--color-accent);
}

/* Mobile Menu Open State */
.menu-open .mobile-menu-btn span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
.menu-open .mobile-menu-btn span:nth-child(2) {
    opacity: 0;
}
.menu-open .mobile-menu-btn span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05); /* Prevent edges during animation */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(10, 25, 47, 0.9) 0%, rgba(10, 25, 47, 0.7) 50%, rgba(10, 25, 47, 0.4) 100%);
}

.hero-content {
    max-width: 800px;
    color: var(--color-text-white);
    padding: 0 2rem;
    margin-left: 5vw;
}

.hero-content h1 span {
    font-style: italic;
    color: var(--color-accent);
}

.hero-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 5vw;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-white);
    opacity: 0.7;
    transition: var(--transition);
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-indicator p {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.75rem;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.scroll-indicator .line::after {
    content: '';
    position: absolute;
    top: -50%;
    left: 0;
    width: 100%;
    height: 50%;
    background-color: var(--color-accent);
    animation: drop 2s infinite ease-in-out;
}

@keyframes drop {
    0% { top: -50%; }
    100% { top: 100%; }
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background-color: var(--color-bg);
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    color: var(--color-accent);
    margin-bottom: 2rem;
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ===== About Section ===== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background-color: var(--color-primary);
    color: var(--color-text-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.experience-badge .number {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-accent);
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.features-list {
    list-style: none;
    margin-top: 2.5rem;
}

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

.feature-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.features-list h4 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.features-list p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ===== Projects Section ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-xl);
}

.project-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
}

.project-img {
    height: 400px;
    overflow: hidden;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-item:hover .project-img img {
    transform: scale(1.08);
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(10, 25, 47, 0.9), transparent);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.project-item:hover .project-info {
    transform: translateY(0);
    opacity: 1;
}

.project-info h3 {
    color: var(--color-text-white);
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--color-accent);
    margin-bottom: 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Process Section ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    position: relative;
}

.step {
    text-align: center;
    padding: 2rem;
    background: var(--color-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 1;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    color: rgba(10, 25, 47, 0.05);
    line-height: 1;
    margin-bottom: -1rem;
}

/* ===== Testimonial Section ===== */
.testimonial-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.quote-icon {
    font-family: var(--font-heading);
    font-size: 6rem;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: -2rem;
    opacity: 0.5;
}

.quote-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    line-height: 1.5;
    color: var(--color-primary);
    margin-bottom: 2rem;
    font-style: italic;
}

.quote-author strong {
    display: block;
    font-size: 1.1rem;
    color: var(--color-text-main);
}

.quote-author span {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===== Contact Section ===== */
.contact-section {
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.detail-item {
    margin-top: 2rem;
}

.detail-item .label {
    display: block;
    color: var(--color-accent);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.contact-form-container {
    background-color: var(--color-bg);
    padding: 3rem;
    border-radius: var(--border-radius);
    color: var(--color-text-main);
}

.contact-form-container form {
    display: flex;
    flex-direction: column;
}

.contact-form-container label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.contact-form-container input,
.contact-form-container textarea,
.contact-form-container select {
    margin-bottom: 15px;
    padding: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
}

.contact-form-container button {
    background: #C8A96A;
    color: white;
    padding: 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    transition: background 0.3s ease;
}

.contact-form-container button:hover {
    background: #b89650;
}

/* ===== Footer ===== */
footer {
    background-color: #050d1a;
    color: var(--color-text-muted);
    padding: var(--spacing-xl) 0 2rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.footer-links a:hover, .footer-social a:hover {
    color: var(--color-accent);
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

.legal-links {
    display: flex;
    gap: 1.5rem;
}

/* ===== Animations (Intersection Observer) ===== */
.reveal {
    opacity: 0;
    visibility: hidden;
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(0, 0);
}

.fade-up { transform: translateY(40px); }
.fade-right { transform: translateX(-40px); }
.fade-left { transform: translateX(40px); }

/* ===== Media Queries ===== */
@media (max-width: 992px) {
    .about-container,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-badge {
        right: 20px;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .footer-top, .footer-bottom {
        grid-template-columns: 1fr;
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .contact-form-container {
        padding: 2rem 1.5rem;
    }
}

/* ===== Projects Section ===== */
.project-overview {
    padding: var(--spacing-xl) 0;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-card {
    background: var(--color-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-card-img {
    height: 250px;
    overflow: hidden;
}

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

.project-card:hover .project-card-img img {
    transform: scale(1.05);
}

.project-card-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-card-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.project-location {
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.project-card-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* Project Detail Page */
.project-header {
    padding: calc(var(--nav-height) + var(--spacing-lg)) 0 var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-text-white);
    text-align: center;
}

.project-header h1 {
    color: var(--color-text-white);
    margin-bottom: 1rem;
}

.project-info-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--border-radius);
    margin: -40px auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 10;
}

.info-item {
    text-align: center;
}

.info-item span {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.info-item p {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0;
}

.project-main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.project-description h2 {
    margin-bottom: 1.5rem;
}

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

.scope-list li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
}

.scope-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.project-gallery {
    margin-top: var(--spacing-xl);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
}

.gallery-item {
    height: 300px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-projects {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

@media (max-width: 992px) {
    .project-main {
        grid-template-columns: 1fr;
    }
}