/* ===== CSS VARIABLES ===== */
:root {
    /* Colors - Institutional Modernism Palette */
    --color-charcoal: #1a1f2e;
    --color-off-white: #f8f7f4;
    --color-forest-green: #5a8f7b;
    --color-forest-green-bright: #6fb396;
    --color-muted-gray: #4a5568;
    --color-light-gray: #e2e8f0;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-off-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

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

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

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.bg-light {
    background-color: var(--color-off-white);
}

.bg-muted {
    background-color: #f1f1ee;
}

.bg-dark {
    background-color: var(--color-charcoal);
    color: var(--color-off-white);
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    color: var(--color-forest-green-bright);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.section-divider {
    width: 80px;
    height: 3px;
    background-color: var(--color-forest-green-bright);
    margin: var(--spacing-md) 0;
}

.section-divider-center {
    width: 80px;
    height: 3px;
    background-color: var(--color-forest-green-bright);
    margin: var(--spacing-md) auto;
}

.text-large {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-muted-gray);
    margin-bottom: var(--spacing-md);
}

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

.content-center {
    max-width: 800px;
    margin: 0 auto;
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(248, 247, 244, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-light-gray);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.nav-brand {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-charcoal);
}

.brand-subtitle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--color-muted-gray);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-charcoal);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-forest-green);
    transition: width var(--transition-normal);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-charcoal);
    transition: var(--transition-normal);
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(26, 31, 46, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-overlay.active {
    opacity: 1;
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(to right, rgba(26, 31, 46, 0.92) 0%, rgba(26, 31, 46, 0.85) 60%, rgba(26, 31, 46, 0.7) 100%),
                url('https://private-us-east-1.manuscdn.com/sessionFile/Dt9Hwq6xkjlxECJTterxtT/sandbox/a7oG9Eads3nGqv2syPKLh1-img-1_1770231758000_na1fn_aGVyby1iYWNrZ3JvdW5k.png?x-oss-process=image/resize,w_1920,h_1920/format,webp/quality,q_80&Expires=1798761600&Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9wcml2YXRlLXVzLWVhc3QtMS5tYW51c2Nkbi5jb20vc2Vzc2lvbkZpbGUvRHQ5SHdxNnhramx4RUNKVHRlcnh0VC9zYW5kYm94L2E3b0c5RWFkczNuR3F2MnN5UEtMaDEtaW1nLTFfMTc3MDIzMTc1ODAwMF9uYTFmbl9hR1Z5YnkxaVlXTnJaM0p2ZFc1ay5wbmc~eC1vc3MtcHJvY2Vzcz1pbWFnZS9yZXNpemUsd18xOTIwLGhfMTkyMC9mb3JtYXQsd2VicC9xdWFsaXR5LHFfODAiLCJDb25kaXRpb24iOnsiRGF0ZUxlc3NUaGFuIjp7IkFXUzpFcG9jaFRpbWUiOjE3OTg3NjE2MDB9fX1dfQ__&Key-Pair-Id=K2HSFNDJXOU9YS&Signature=QY7RyaQLTQL0c-TuKoWpCEDdBQmJ-r6p7YxNhcYt~hIaIsxjzwj6V~RLVuWEezSlScxi~axuy6A215lVVnQvzqGq3YTIbOav2T5VkeX-GmVDbUEmbe~MXVctl9AFe0gTqbE~~IlL7hnyAZx661L85iYwDY7iR74cNmJK6rl8DowQSF4WDSKbLMLkg0w7AWC8oA7dL8zaNE-wiRvy62nZgOCNoPQ3oGPi1bk6mwRXcN2UfjrjrD3rkfbHWcEZF1dhglOpbfOZCPG8irrJd-X8LOYkf7q58HTz36KA0fc618WbT4BDF9osrS1GEvS875HRkUO9nfEVh86m05~YLvOu2Q__');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-off-white);
    margin-top: 70px;
    overflow: hidden;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: var(--spacing-md);
    color: white;
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--color-forest-green);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-forest-green-bright);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(90, 143, 123, 0.3);
}

/* ===== GRID LAYOUTS ===== */
.grid-asymmetric {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.grid-three {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.grid-contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

/* ===== SECTION HEADERS ===== */
.section-header-center {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* ===== CARDS ===== */
.card {
    background-color: white;
    padding: var(--spacing-xl);
    border: 1px solid var(--color-light-gray);
    transition: var(--transition-normal);
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-charcoal);
}

.card-text {
    color: var(--color-muted-gray);
    line-height: 1.8;
}

.card-list {
    list-style: none;
    color: var(--color-muted-gray);
}

.card-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.card-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-forest-green);
}

/* ===== CONTACT SECTION ===== */
.contact-info {
    color: var(--color-off-white);
}

.contact-details {
    margin-top: var(--spacing-xl);
}

.contact-item {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact-item strong {
    font-weight: 600;
    color: var(--color-forest-green-bright);
}

.contact-item a {
    color: var(--color-off-white);
}

.contact-item a:hover {
    color: var(--color-forest-green-bright);
}

/* ===== CONTACT FORM ===== */
.contact-form-wrapper {
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 500;
    color: var(--color-off-white);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-off-white);
    border-radius: 4px;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-forest-green-bright);
    background-color: rgba(255, 255, 255, 0.08);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #e53e3e;
}

.error-message {
    color: #fc8181;
    font-size: 0.875rem;
    display: none;
}

.error-message.show {
    display: block;
}

.form-status {
    padding: var(--spacing-md);
    border-radius: 4px;
    font-size: 0.9375rem;
    display: none;
}

.form-status.success {
    background-color: rgba(90, 143, 123, 0.2);
    border: 1px solid var(--color-forest-green-bright);
    color: var(--color-forest-green-bright);
    display: block;
}

.form-status.error {
    background-color: rgba(229, 62, 62, 0.2);
    border: 1px solid #e53e3e;
    color: #fc8181;
    display: block;
}

.btn-loader {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-charcoal);
    color: var(--color-off-white);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.9375rem;
}

.footer-contact a:hover {
    color: var(--color-forest-green-bright);
}

.footer-divider {
    color: var(--color-muted-gray);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-muted-gray);
}
.footer .brand-name {
    color: #f8f7f4;
}

.footer .brand-subtitle {
    color: #4a5568;
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.scroll-animate {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-animate.visible {
    opacity: 1;
    animation: fadeInUp 0.8s ease-out forwards;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 968px) {
    .grid-asymmetric,
    .grid-contact {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .grid-three {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 70px);
        background-color: var(--color-off-white);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-normal);
        z-index: 999;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .mobile-overlay {
        display: block;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-section {
        background-attachment: scroll;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .text-large {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .footer-contact {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .footer-divider {
        display: none;
    }
}