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

:root {
    /* Color Palette */
    --primary: #000a1e;
    --primary-container: #002147;
    --secondary: #735c00; /* Gold */
    --surface: #f8f9fa;
    --surface-low: #f3f4f5;
    --surface-lowest: #ffffff;
    --surface-high: #e7e8e9;
    --on-surface: #191c1d;
    --on-surface-variant: #44474e;
    --outline-variant: #c4c6cf;
    --on-primary: #ffffff;
    
    /* Typography */
    --font-headline: 'Noto Serif', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Effects */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --signature-gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headline);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

section {
    padding: var(--spacing-lg) 5%;
}

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

.flex {
    display: flex;
    gap: var(--spacing-md);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.about-grid {
    grid-template-columns: 1fr 2fr;
}

/* Components */

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.logo-img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.mobile-toggle {
    display: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    position: relative;
}

.btn-primary {
    background: var(--signature-gradient);
    color: var(--on-primary);
}

.btn-primary::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--secondary);
}

.btn-secondary {
    background: transparent;
    color: var(--on-surface);
}

.btn-secondary:hover {
    background: var(--surface-high);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    padding-top: 120px; /* offset for nav */
    display: flex;
    align-items: center;
    background-color: var(--surface);
    position: relative;
}

.hero-content {
    max-width: 800px;
    z-index: 10;
}

.hero-content > * {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.hero-content h1 { animation-delay: 0.1s; }
.hero-content p { animation-delay: 0.3s; }
.hero-content div { animation-delay: 0.5s; }

.hero h1 {
    font-size: clamp(3rem, 8vw, 4.5rem);
    margin-bottom: var(--spacing-md);
}

.hero p {
    font-size: 1.25rem;
    color: var(--on-surface-variant);
    max-width: 600px;
    margin-bottom: var(--spacing-md);
}

/* Intentional Asymmetry */
.asymmetric-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.asymmetric-section.reverse {
    direction: rtl;
}

.asymmetric-section.reverse > * {
    direction: ltr;
}

/* Feature Cards & Lists */
.card {
    background-color: var(--surface);
    padding: var(--spacing-md);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid transparent;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.card:hover {
    background-color: var(--surface-lowest);
    border-left: 2px solid var(--secondary);
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
}

/* Tonal Layers (No Lines Rule) */
.section-low { background-color: var(--surface-low); }
.section-white { background-color: var(--surface-lowest); }
.section-dark { 
    background: var(--signature-gradient); 
    color: var(--on-primary); 
}

/* Metric Display */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.metric h2 {
    font-size: 3.5rem;
}

.metric span {
    display: block;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--secondary);
    margin-top: 0.5rem;
}

/* Marquee Effect */
.marquee-container {
    width: 100%;
    overflow: hidden;
    padding: var(--spacing-md) 0;
    position: relative;
    background: var(--surface-low);
}

.marquee-content {
    display: flex;
    width: max-content;
    animation: marquee 40s linear infinite;
}

.marquee-content:hover {
    animation-play-state: paused;
}

.marquee-item {
    flex-shrink: 0;
    padding: 0 var(--spacing-xl);
    text-align: center;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Values Grid */
.values-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.value-card {
    border-top: 4px solid var(--secondary);
    padding-top: var(--spacing-md);
}

.value-card h3 {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--secondary);
    margin-bottom: var(--spacing-sm);
}

/* Footer */
footer {
    background-color: var(--surface-low);
    padding: var(--spacing-lg) 5%;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
}

.footer-column h5 {
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: var(--on-surface-variant);
    font-size: 0.875rem;
}

.footer-bottom {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--outline-variant);
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--on-surface-variant);
}

/* Responsive */
@media (max-width: 900px) {
    .asymmetric-section {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr !important;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
        font-size: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

/* Contact Page Specifics */
.contact-grid {
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.contact-form form .field {
    margin-bottom: var(--spacing-md);
}

.contact-form form label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    color: var(--secondary);
    font-weight: 600;
}

.contact-form form input, 
.contact-form form textarea {
    width: 100%;
    padding: 1rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--outline-variant);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    color: var(--on-surface);
}

.contact-form form input:focus, 
.contact-form form textarea:focus {
    outline: none;
    border-bottom-color: var(--secondary);
    background: rgba(243, 244, 245, 0.5);
}

.office-list li {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-sm);
    border-left: 2px solid var(--outline-variant);
}

.office-list li h5 {
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
}

@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}