:root {
    /* Colors */
    --bg-primary: #0b0b0c;
    --bg-secondary: #111111;
    --accent-navy: #0a1f44;
    --accent-gold: #c8a96a;
    --text-white: #f9fafb;
    --text-silver: #c0c0c0;
    --accent-blue: #60a5fa;
    --border-color: rgba(255, 255, 255, 0.08);
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Variables */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius: 4px; /* Slight rounding for elegant structure */
    --border-radius-lg: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-silver);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--text-white);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--accent-gold);
}

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

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 6rem 0;
}

.bg-secondary {
    background-color: var(--bg-secondary);
}

.text-center { text-align: center; }
.text-silver { color: var(--text-silver); }
.text-sm { font-size: 0.875rem; }
.accent-text { 
    color: var(--accent-gold);
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    display: block;
    margin-bottom: 0.5rem;
}

.mt-2 { margin-top: 1.5rem; }
.mt-3 { margin-top: 2rem; }
.mt-4 { margin-top: 3rem; }
.mt-5 { margin-top: 5rem; }
.mb-3 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 3rem; }
.pt-20 { padding-top: 8rem; }
.pb-10 { padding-bottom: 4rem; }
.p-3 { padding: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.align-center { align-items: center; }
.align-start { align-items: start; }
.flex-between { display: flex; justify-content: space-between; align-items: flex-end; }
.gap-4 { gap: 4rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--text-white);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

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

.btn-outline:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.btn-text {
    padding: 0;
    color: var(--accent-gold);
    text-transform: none;
    letter-spacing: normal;
}
.btn-text:hover {
    color: var(--text-white);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Header */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-fast);
    padding: 1.5rem 0;
}

#main-header.scrolled {
    background: rgba(11, 11, 12, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.header-container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-white);
    letter-spacing: 1px;
}

.desktop-nav a {
    margin: 0 1.5rem;
    font-size: 0.9rem;
    color: var(--text-silver);
    position: relative;
}

.desktop-nav a.active, .desktop-nav a:hover {
    color: var(--text-white);
}

.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--accent-gold);
    transition: width var(--transition-fast);
}

.desktop-nav a:hover::after, .desktop-nav a.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle .bar {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px auto;
    background-color: var(--text-white);
    transition: all 0.3s ease-in-out;
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(11, 11, 12, 0.98);
    backdrop-filter: blur(10px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(-100%);
    transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-menu.open {
    transform: translateY(0);
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.mobile-menu nav a {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin: 1rem 0;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero.short {
    min-height: 60vh;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%; /* Extra height for parallax */
    z-index: -1;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(11, 11, 12, 0.9) 0%, rgba(11, 11, 12, 0.4) 100%);
}

.hero.short .hero-overlay {
    background: rgba(11, 11, 12, 0.7);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding-top: 5rem;
}

.hero-content h1 {
    font-size: clamp(3rem, 5vw, 5rem);
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    color: var(--text-silver);
}

.hero-ctas {
    display: flex;
    gap: 1rem;
}

/* Cards & Grid Items */
.card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.card-sweep {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: skewX(-20deg);
    transition: left 0.7s ease;
}

.card:hover .card-sweep {
    left: 200%;
}

/* Split Section */
.split-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.split-image img {
    border-radius: var(--border-radius);
    transition: transform var(--transition-slow);
}

.split-section:hover .split-image img {
    transform: scale(1.03);
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: 2;
    pointer-events: none;
}

.feature-list {
    list-style: none;
    margin: 2rem 0;
}

.feature-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.feature-list li::before {
    content: '■';
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--accent-gold);
    font-size: 0.8rem;
}

/* Engagements */
.engagement-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.engagement-card:hover {
    border-color: rgba(255,255,255,0.2);
}

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

.engagement-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.engagement-content {
    padding: 2rem;
}

.tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 1rem;
}

/* Process Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 15px;
    width: 1px;
    height: 100%;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: 11px;
    top: 5px;
    width: 9px;
    height: 9px;
    background: var(--accent-gold);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(200, 169, 106, 0.5);
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Services Page specific */
.service-large-card {
    display: block;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.service-large-card .card-img {
    height: 300px;
    overflow: hidden;
}

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

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

.service-large-card .card-body {
    padding: 2.5rem;
}

.read-more {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--accent-gold);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Service Detail */
.lead {
    font-size: 1.25rem;
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.sidebar-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.process-list {
    margin-top: 1.5rem;
    padding-left: 1rem;
}

.process-list li {
    margin-bottom: 1rem;
    color: var(--text-silver);
}

.process-list li strong {
    color: var(--text-white);
}

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 2rem 0;
}

/* Projects page */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.project-item.reverse .project-img {
    order: 2;
}

.project-item.reverse .project-info {
    order: 1;
}

.project-img img {
    border-radius: var(--border-radius);
}

/* Contact & Forms */
.contact-form-wrapper {
    background: var(--bg-secondary);
    padding: 3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-white);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-white);
    font-family: var(--font-sans);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px rgba(200, 169, 106, 0.1);
}

/* Footer */
.site-footer {
    background-color: #050505;
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--text-white);
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-desc {
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.footer-col a {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--text-silver);
    font-size: 0.95rem;
}

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

.footer-bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.85rem;
}

/* Animations Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
}

/* Legal content */
.legal-content h3 {
    margin-top: 2.5rem;
}
.legal-content p {
    margin-bottom: 1.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .hero-content h1 { font-size: 3.5rem; }
}

@media (max-width: 768px) {
    .desktop-nav, .desktop-only { display: none; }
    .mobile-toggle { display: block; }
    
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .split-image, .project-img { order: -1; }
    .project-item.reverse .project-img, .project-item.reverse .project-info { order: unset; }
    
    .hero-content { text-align: center; padding-top: 3rem; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-ctas { flex-direction: column; align-items: center; }
    .hero-ctas a { width: 100%; max-width: 300px; }
    
    .section { padding: 4rem 0; }
    .footer-grid { gap: 3rem; }
}

@media (max-width: 480px) {
    .grid-4 { grid-template-columns: 1fr; }
    .card { padding: 1.5rem; }
    .hero-content h1 { font-size: 2rem; }
}