@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --color-navy: #0A1128;
    --color-navy-light: #162447;
    --color-gold: #C5A059;
    --color-gold-hover: #D4AF6A;
    --color-slate: #334155;
    --color-gray-light: #F8FAFC;
    --color-gray-medium: #E2E8F0;
    --color-white: #FFFFFF;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    --container-width: 1400px;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-slate);
    background-color: var(--color-gray-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-navy);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: 1.25rem; font-family: var(--font-body); font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-gold); }

p {
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 300;
}

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

a:hover {
    color: var(--color-navy);
}

/* Layout */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

section.dark {
    background-color: var(--color-navy);
    color: var(--color-gray-medium);
}

section.dark h2, section.dark h3, section.dark h1 {
    color: var(--color-white);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-navy);
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-navy);
    color: var(--color-navy);
}

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

.dark .btn-outline {
    border-color: var(--color-white);
    color: var(--color-white);
}

.dark .btn-outline:hover {
    background-color: var(--color-gold);
    color: var(--color-navy);
    border-color: var(--color-gold);
}

/* Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-medium);
    transition: transform 0.3s ease;
}

.header.scrolled-up {
    transform: translateY(0);
}

.header.scrolled-down {
    transform: translateY(-100%);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem var(--spacing-md);
    max-width: var(--container-width);
    margin: 0 auto;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-navy);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-navy);
    position: absolute;
    transition: var(--transition);
}

.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 9px; }
.mobile-menu-btn span:nth-child(3) { top: 18px; }

.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg); top: 9px; }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg); top: 9px; }

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-color: var(--color-navy);
    padding-top: 5rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    mix-blend-mode: luminosity;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    padding: var(--spacing-md);
}

.hero-content h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    color: var(--color-gray-medium);
    font-size: 1.25rem;
    max-width: 600px;
}

/* Grids and Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

/* Editorial Blocks (Services/Insights) */
.editorial-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-medium);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.editorial-card:hover {
    border-color: var(--color-gold);
    box-shadow: 0 10px 30px rgba(10, 17, 40, 0.05);
    transform: translateY(-5px);
}

.editorial-card h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.editorial-card p {
    flex-grow: 1;
    font-size: 1rem;
    color: var(--color-slate);
}

.editorial-card .link {
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
}

.editorial-card .link::after {
    content: '→';
    transition: transform 0.3s;
}

.editorial-card:hover .link::after {
    transform: translateX(5px);
}

/* Image blocks */
.image-block {
    position: relative;
    overflow: hidden;
}

.image-block img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(20%);
    transition: filter 0.5s ease;
}

.image-block:hover img {
    filter: grayscale(0%);
}

.image-block::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-gold);
    z-index: -1;
}

/* Stat Blocks */
.stat-block {
    border-left: 2px solid var(--color-gold);
    padding-left: var(--spacing-md);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--color-navy);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.dark .stat-number {
    color: var(--color-white);
}

.stat-label {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-slate);
}

.dark .stat-label {
    color: var(--color-gray-medium);
}

/* Footer */
.footer {
    background-color: var(--color-navy-light);
    color: var(--color-gray-medium);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: var(--spacing-xs);
}

.footer ul a {
    color: var(--color-gray-medium);
}

.footer ul a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

/* Utilities */
.text-center { text-align: center; }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-lg { margin-top: var(--spacing-lg); }

/* Decorative line */
.divider {
    width: 60px;
    height: 2px;
    background-color: var(--color-gold);
    margin: var(--spacing-md) 0;
}
.divider.center { margin: var(--spacing-md) auto; }

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --spacing-xl: 5rem;
        --spacing-lg: 3rem;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: var(--spacing-xl);
        transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    .nav-links a {
        font-size: 1.25rem;
        display: block;
        padding: var(--spacing-sm);
    }
    
    .hero {
        padding-top: 6rem;
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}