/* =========================================
   TERRA GLOBALCON - CSS ARCHITECTURE
   ========================================= */

/* --- Variables --- */
:root {
    /* Earthy Color Palette */
    --clr-primary: #2A3B1D;    /* Deep Forest Green */
    --clr-secondary: #708238;  /* Muted Olive */
    --clr-accent: #C37353;     /* Warm Terracotta */
    --clr-sand: #E3DAC9;       /* Sand / Beige */
    --clr-light: #F7F6F2;      /* Off-White / Paper */
    --clr-dark: #1A1A1A;       /* Almost Black */
    --clr-white: #FFFFFF;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Source Sans Pro', sans-serif;

    /* Spacing */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

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

body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--clr-dark);
    background-color: var(--clr-white);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--clr-primary);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }

p { margin-bottom: var(--spacing-sm); }
a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }

/* --- Layout Utilities --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-padding { padding: var(--spacing-xl) 0; }
.mt-4 { margin-top: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.text-center { text-align: center; }
.text-white { color: var(--clr-white); }
.bg-light { background-color: var(--clr-light); }

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}
.grid-2-col.align-start { align-items: start; }

.grid-3-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--clr-accent);
    color: var(--clr-white);
}

.btn-primary:hover {
    background-color: #A65B3E;
}

.btn-outline {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
}

.btn-outline:hover {
    background-color: var(--clr-primary);
    color: var(--clr-white);
}

/* --- Header & Nav --- */
.site-header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--clr-sand);
    transition: all 0.3s ease;
}

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

.logo a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--clr-primary);
}
.logo span {
    color: var(--clr-secondary);
    font-weight: 400;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 600;
    color: var(--clr-dark);
    display: block;
}

.nav-links > li > a:hover, .nav-links > li > a.active {
    color: var(--clr-secondary);
}

/* --- Dropdown Menus --- */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--clr-white);
    min-width: 220px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    border-top: 3px solid var(--clr-secondary);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    border-bottom: 1px solid var(--clr-light);
}

.dropdown-menu li:last-child {
    border-bottom: none;
}

.dropdown-menu a {
    padding: 1rem;
    font-weight: 400;
    font-size: 1rem;
}

.dropdown-menu a:hover {
    background-color: var(--clr-light);
    color: var(--clr-primary);
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}
.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--clr-primary);
    transition: 0.3s;
}

/* --- Full Width Images / Heros --- */
.full-width-image {
    position: relative;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero {
    height: 90vh;
    display: flex;
    align-items: center;
    margin-top: 70px;
}

.page-header {
    position: relative;
    height: 50vh;
    display: flex;
    align-items: center;
    margin-top: 70px;
    color: var(--clr-white);
    text-align: center;
    background-size: cover;
    background-position: center;
}

.page-header h1 {
    color: var(--clr-white);
}

.hero-overlay, .header-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(26, 26, 26, 0.5);
    z-index: 1;
}

.hero-content, .page-header .container, .data-overlay {
    position: relative;
    z-index: 2;
    color: var(--clr-white);
    max-width: 800px;
}

.hero-content h1 {
    color: var(--clr-white);
    font-size: 4rem;
}
.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.mid-break {
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mid-break-content {
    background: var(--clr-white);
    padding: var(--spacing-md) var(--spacing-lg);
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.mid-break-content h2 {
    margin: 0;
    color: var(--clr-primary);
}

/* --- Content Sections --- */
.section-subtitle {
    font-size: 1.25rem;
    color: var(--clr-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.card {
    background: var(--clr-white);
    border: 1px solid var(--clr-sand);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}
.card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}
.card-content {
    padding: var(--spacing-md);
    text-align: left;
}
.card-content h3 {
    color: var(--clr-secondary);
}

.content-text h2 { margin-bottom: var(--spacing-md); }
.content-text h3 { 
    margin-top: var(--spacing-md); 
    color: var(--clr-secondary); 
    font-size: 1.5rem; 
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--clr-sand);
    font-family: var(--font-body);
}

/* --- Footer --- */
.site-footer {
    background-color: var(--clr-primary);
    color: var(--clr-sand);
    padding: var(--spacing-xl) 0 var(--spacing-sm) 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}
.site-footer h3, .site-footer h4 {
    color: var(--clr-white);
}
.footer-links ul {
    list-style: none;
}
.footer-links a:hover {
    color: var(--clr-accent);
}
.footer-bottom {
    border-top: 1px solid rgba(227, 218, 201, 0.2);
    padding-top: var(--spacing-sm);
    text-align: center;
    font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .grid-2-col { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-content h1 { font-size: 3rem; }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: -100%;
        width: 100%;
        background-color: var(--clr-white);
        flex-direction: column;
        padding: var(--spacing-md) 0;
        transition: 0.3s ease;
        border-bottom: 1px solid var(--clr-sand);
        max-height: 80vh;
        overflow-y: auto;
    }
    .nav-links.active { left: 0; }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        border-top: none;
        border-left: 2px solid var(--clr-secondary);
        margin-left: 1rem;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }

    .hamburger { display: flex; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 2.5rem; }
}