:root {
    /* Colors */
    --c-navy: #0F172A;
    --c-slate: #334155;
    --c-gold: #B45309;
    --c-gold-hover: #D97706;
    --c-white: #FFFFFF;
    --c-light-bg: #F8FAFC;
    --c-border: #E2E8F0;
    
    /* Typography */
    --f-heading: 'Playfair Display', serif;
    --f-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --container-width: 1280px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --border-radius: 4px;
    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
    font-family: var(--f-body);
    color: var(--c-slate);
    background-color: var(--c-white);
    line-height: 1.6;
    font-size: 1.125rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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: clamp(1.25rem, 2vw, 1.75rem); }

p {
    margin-bottom: var(--spacing-md);
}

.text-gold { color: var(--c-gold); }
.text-white { color: var(--c-white); }
.text-center { text-align: center; }

/* Layout */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.bg-navy { background-color: var(--c-navy); color: var(--c-white); }
.bg-navy h2, .bg-navy h3 { color: var(--c-white); }
.bg-navy p { color: #CBD5E1; }
.bg-light { background-color: var(--c-light-bg); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-family: var(--f-body);
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

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

.btn-primary:hover {
    background-color: var(--c-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(180, 83, 9, 0.2);
}

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

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

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

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

/* Header & Nav */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--c-border);
    transition: all var(--transition);
}

.site-header.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: height var(--transition);
}

.site-header.scrolled .nav-container {
    height: 60px;
}

.logo {
    font-family: var(--f-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-navy);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--c-slate);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--c-gold);
    transition: width var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--c-navy);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--c-navy);
    transition: all var(--transition);
}

/* Hero Sections */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background-color: var(--c-navy);
    color: var(--c-white);
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.6) 100%);
    z-index: 1;
}

.hero-img-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

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

.hero h1 {
    color: var(--c-white);
}

.hero p.lead {
    font-size: 1.25rem;
    color: #CBD5E1;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

/* Page Headers (Non-home) */
.page-header {
    padding-top: 180px;
    padding-bottom: 80px;
    background-color: var(--c-light-bg);
    border-bottom: 1px solid var(--c-border);
}

/* Grids & Cards */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }

.card {
    background: var(--c-white);
    padding: var(--spacing-lg) var(--spacing-md);
    border: 1px solid var(--c-border);
    transition: all var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    border-color: var(--c-gold);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--c-gold);
    margin-bottom: var(--spacing-sm);
}

.card h3 {
    font-size: 1.5rem;
}

.card-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    margin-bottom: var(--spacing-md);
}

/* Asymmetric Section */
.split-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.split-content {
    flex: 1;
}

.split-image {
    flex: 1;
    position: relative;
}

.split-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    box-shadow: -20px 20px 0 var(--c-light-bg);
}

.split-section.reverse {
    flex-direction: row-reverse;
}
.split-section.reverse .split-image img {
    box-shadow: 20px 20px 0 var(--c-light-bg);
}

/* Data Viz Style */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    border-top: 1px solid var(--c-border);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.metric-item .number {
    font-family: var(--f-heading);
    font-size: 4rem;
    color: var(--c-navy);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.metric-item .label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--c-slate);
}

.bg-navy .metric-item .number { color: var(--c-white); }
.bg-navy .metric-item .label { color: #E8A020; }
.bg-navy .metric-grid { border-top-color: rgba(255,255,255,0.1); }

/* Footer */
.site-footer {
    background-color: var(--c-navy);
    color: #CBD5E1;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.site-footer h4 {
    color: var(--c-white);
    font-family: var(--f-body);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #CBD5E1;
    text-decoration: none;
    transition: color var(--transition);
}

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

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

.footer-legal-links a {
    color: #CBD5E1;
    text-decoration: none;
    margin-left: var(--spacing-md);
}

.footer-legal-links a:hover {
    color: var(--c-white);
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    :root {
        --spacing-xl: 5rem;
        --spacing-lg: 3rem;
    }
    
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    
    .split-section, .split-section.reverse {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .split-image img {
        box-shadow: -10px 10px 0 var(--c-light-bg);
    }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--c-white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: left var(--transition);
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
    display: inline-block;
    padding: 0.5rem 1rem;
        font-size: 1.25rem;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .grid-2, .grid-3, .grid-4, .metric-grid { 
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-legal-links a {
        margin: 0 0.5rem;
    }
    
    .hero {
        padding-top: 100px;
        text-align: center;
    }
    
    .page-header {
        padding-top: 120px;
    }
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Staggered reveals for grids */
.grid-2 > .reveal:nth-child(2),
.grid-3 > .reveal:nth-child(2),
.grid-4 > .reveal:nth-child(2) { transition-delay: 0.1s; }
.grid-3 > .reveal:nth-child(3),
.grid-4 > .reveal:nth-child(3) { transition-delay: 0.2s; }
.grid-4 > .reveal:nth-child(4) { transition-delay: 0.3s; }


.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .form-row, .grid-2, .grid-3, .grid-4, .metric-grid { grid-template-columns: 1fr; }
    .container { padding: 0 var(--spacing-sm); }
}

/* Accessibility: reduced motion + color-scheme support (audit fix, 2026-08-23) */
:root { color-scheme: light dark; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}