/* Custom properties for theme */
:root {
    --color-bg-dark: #0B1B2B; /* Deep navy/charcoal base */
    --color-bg-light: #F4F7F9;
    --color-bg-card: #15283c;
    --color-accent: #D9A441; /* Amber/gold */
    --color-accent-hover: #e5b455;
    --color-text-light: #E0E6ED;
    --color-text-dark: #22303c;
    --color-text-muted: #8899A6;
    
    --font-sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-serif: Georgia, "Times New Roman", Times, serif;
    
    --transition: all 0.3s ease;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-bg-light);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .logo {
    font-family: var(--font-serif);
    font-weight: normal;
}

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

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    font-family: var(--font-sans);
    border: 2px solid var(--color-accent);
    cursor: pointer;
}

.btn:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-bg-dark);
}

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

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

/* Typography */
.section-title {
    font-size: 2.5rem;
    color: var(--color-bg-dark);
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--color-accent);
}

/* Header */
.header {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    color: var(--color-text-light);
    font-weight: bold;
    letter-spacing: 1px;
}

.logo:hover {
    color: var(--color-accent);
}

/* Navigation */
.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--color-text-light);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.nav-link:hover {
    color: var(--color-text-light);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-light);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-light);
    left: 0;
    transition: var(--transition);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.nav-toggle.active .hamburger { background-color: transparent; }
.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}
.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Sections Setup */
.section {
    padding: 5rem 0;
}

/* Hero Section */
.hero {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-motif {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(11, 27, 43, 0.85), rgba(11, 27, 43, 0.95)),
        repeating-linear-gradient(45deg, transparent, transparent 40px, rgba(217, 164, 65, 0.03) 40px, rgba(217, 164, 65, 0.03) 80px);
    z-index: 1;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0;
    padding-left: 5%;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-text-light);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    font-family: var(--font-sans);
}

/* About Section */
.about {
    background-color: var(--color-bg-light);
}

.about-content {
    font-size: 1.1rem;
    max-width: 800px;
}

.about-content p {
    margin-bottom: 1.5rem;
}

/* Services Section */
.services {
    background-color: #eef2f6; /* slightly darker light bg for contrast */
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background-color: #fff;
    padding: 2.5rem 2rem;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-top: 3px solid var(--color-bg-dark);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
    border-top-color: var(--color-accent);
}

.service-card h3 {
    color: var(--color-bg-dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    color: var(--color-text-dark);
    font-size: 0.95rem;
}

.services-footer {
    text-align: center;
    font-style: italic;
    color: var(--color-bg-dark);
    font-size: 1.1rem;
    border-top: 1px solid #ccc;
    padding-top: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Contact Section */
.contact {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.contact .section-title {
    color: var(--color-text-light);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-info p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

.address-card {
    background-color: var(--color-bg-card);
    padding: 3rem;
    border-radius: 4px;
    border-left: 4px solid var(--color-accent);
}

.address-card h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--color-accent);
}

.address-card address {
    font-style: normal;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* Footer */
.footer {
    background-color: #061019; /* Even darker for footer */
    color: var(--color-text-muted);
    padding: 4rem 0 2rem;
    font-size: 0.9rem;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand .footer-logo {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.footer-legal p {
    margin-bottom: 0.5rem;
}

.footer-small {
    font-size: 0.8rem;
    margin-top: 1rem;
    color: #667786;
}

.footer-contact p {
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: var(--color-text-light);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title { font-size: 3rem; }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
        z-index: 1001;
    }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: 0;
        background-color: var(--color-bg-dark);
        overflow: hidden;
        transition: height 0.3s ease;
        box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    }

    .nav.open {
        height: 200px;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-container {
        padding: 0;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .address-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    .section {
        padding: 4rem 0;
    }
    .section-title {
        font-size: 2rem;
    }
    .btn {
        width: 100%;
        text-align: center;
    }
    .contact-links .contact-link {
        width: 100%;
        text-align: center;
    }
}