/* Import Google Fonts for Premium Editorial Typography */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* Color Palette and Visual Variables */
:root {
    --bg-cream: #FDFBF7;
    --navy-dark: #0B1528;
    --navy-footer: #0A111E;
    --gold-accent: #D4AF37;
    --gold-hover: #C5A880;
    --text-charcoal: #1F2937;
    --text-muted: #6B7280;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-cream);
    color: var(--text-charcoal);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography Hierarchy */
h1, h2, h3, h4, .serif-heading {
    font-family: var(--font-serif);
    font-weight: 600;
}

/* Category Subheadings (IMPACT, INSIGHTS etc) */
.category-label {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-accent);
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: inline-block;
}

/* Main Navigation Bar Layout */
header {
    background-color: var(--bg-cream);
    border-bottom: 1px solid rgba(11, 21, 40, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--navy-dark);
    text-decoration: none;
    position: relative;
    padding-bottom: 4px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--gold-accent);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--gold-accent);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.nav-link.active {
    color: var(--gold-accent);
}

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

/* Standard Buttons */
.btn-navy {
    background-color: var(--navy-dark);
    color: var(--bg-cream);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.85rem 1.75rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-outline {
    background-color: transparent;
    color: var(--navy-dark);
    border: 1px solid var(--navy-dark);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.85rem 1.75rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-gold {
    background-color: var(--gold-accent);
    color: var(--navy-dark);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.85rem 1.75rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Sections */
section {
    padding: 6rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Dark Navy Sections */
.dark-section {
    background-color: var(--navy-dark);
    color: var(--bg-cream);
}

.dark-section .category-label {
    color: var(--gold-accent);
}

/* Cards (Services, Experience, etc.) */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background-color: rgba(255, 255, 255, 0.02);
    padding: 2.5rem 2rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover {
    border-color: var(--gold-accent);
    transform: translateY(-4px);
    background-color: rgba(255, 255, 255, 0.04);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--bg-cream);
}

.service-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

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

.form-control {
    width: 100%;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid rgba(11, 21, 40, 0.2);
    padding: 0.75rem 0;
    color: var(--navy-dark);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--navy-dark);
}

.dark-section .form-control {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--bg-cream);
}

.dark-section .form-control:focus {
    border-color: var(--gold-accent);
}

/* Gold line separator above footer */
.footer-gold-divider {
    height: 1.5px;
    background-color: var(--gold-accent);
    width: 100%;
}

/* Footer layout */
footer {
    background-color: var(--navy-footer);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    padding: 4rem 2rem;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

footer h4 {
    color: var(--bg-cream);
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

footer ul {
    list-style: none;
}

footer ul li {
    margin-bottom: 0.75rem;
}

footer a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* WhatsApp Floating Widget */
.whatsapp-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25D366;
    color: white;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.whatsapp-widget:hover {
    transform: scale(1.1);
}

.whatsapp-widget svg {
    width: 1.75rem;
    height: 1.75rem;
    fill: currentColor;
}

/* Mobile responsive navigation drawer */
.menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--navy-dark);
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* JS will toggle active state */
    }
    .menu-btn {
        display: block;
    }
}