/* ============================================================
   EMDS Website — Global Stylesheet
   Modern GIS Aesthetic | Forest Green + Slate Blue Palette
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-primary:        #2d6a4f;
    --color-primary-dark:   #1b4332;
    --color-primary-light:  #40916c;
    --color-accent:         #74c69d;
    --color-blue:           #1e3a5f;
    --color-blue-mid:       #2d5282;
    --color-blue-light:     #4a90d9;
    --color-surface:        #f8faf9;
    --color-surface-2:      #eef3ef;
    --color-border:         #d1dbd3;
    --color-text:           #1a2e1f;
    --color-text-muted:     #4a5e50;
    --color-text-light:     #6b7c70;
    --color-white:          #ffffff;
    --color-qgis-gold:      #f4a261;
    --font-body:            'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:            'JetBrains Mono', 'Cascadia Code', 'Courier New', monospace;
    --nav-height:           68px;
    --radius-sm:            4px;
    --radius-md:            8px;
    --radius-lg:            16px;
    --shadow-sm:            0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md:            0 4px 12px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.07);
    --shadow-lg:            0 12px 32px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08);
    --transition:           all 0.2s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text);
    margin-top: 0;
}
h1:focus { outline: none; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p  { margin-top: 0; margin-bottom: 1rem; }

a { color: var(--color-primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary); }

code, pre { font-family: var(--font-mono); font-size: 0.875em; }

/* --- Layout Utilities --- */
.container-site { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.section        { padding: 5rem 0; }
.section-sm     { padding: 3rem 0; }
.section-dark   { background: var(--color-primary-dark); color: var(--color-white); }
.section-surface  { background: var(--color-surface); }
.section-surface-2 { background: var(--color-surface-2); }

/* --- Section Labels & Titles --- */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary-light);
    background: rgba(64,145,108,0.12);
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    margin-bottom: 1rem;
}
.section-label-blue { color: var(--color-blue-light); background: rgba(74,144,217,0.12); }
.section-subtitle { font-size: 1.125rem; color: var(--color-text-muted); margin-bottom: 3rem; max-width: 600px; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.65rem 1.5rem;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary); color: #fff; transform: translateY(-1px); }
.btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline-white:hover { background: rgba(255,255,255,0.15); color: #fff; border-color: #fff; }
.btn-blue { background: var(--color-blue); color: #fff; border-color: var(--color-blue); }
.btn-blue:hover { background: var(--color-blue-mid); border-color: var(--color-blue-mid); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-lg { font-size: 1.0625rem; padding: 0.875rem 2rem; }
.btn-sm { font-size: 0.8125rem; padding: 0.4rem 1rem; }

/* --- Cards --- */
.card-emds {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
}
.card-emds:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); transform: translateY(-2px); }

.card-icon {
    width: 48px; height: 48px;
    background: rgba(64,145,108,0.12);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
}

/* --- Badges --- */
.badge-new {
    display: inline-flex; align-items: center; gap: 0.375rem;
    background: linear-gradient(135deg, #f4a261, #e76f51);
    color: #fff;
    font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
    padding: 0.25rem 0.6rem; border-radius: 100px;
}
.badge-version {
    display: inline-block;
    background: rgba(30,58,95,0.1); color: var(--color-blue);
    font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500;
    padding: 0.2rem 0.6rem; border-radius: var(--radius-sm); border: 1px solid rgba(30,58,95,0.2);
}

/* --- Grids --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; align-items: start; }

@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-2-1 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .section { padding: 3.5rem 0; }
}

/* --- Code blocks --- */
.code-block {
    background: var(--color-primary-dark);
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    overflow-x: auto; line-height: 1.65;
}

/* --- Page hero (shared) --- */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-blue) 100%);
    color: #fff;
    padding: 5rem 0 4rem;
    position: relative; overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}
.page-hero h1 { color: #fff; margin-bottom: 1rem; }
.page-hero p  { color: rgba(255,255,255,0.82); font-size: 1.125rem; max-width: 640px; }

/* --- Download cards --- */
.download-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    transition: var(--transition);
}
.download-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-primary-light); }
.download-card.featured { border: 2px solid var(--color-primary); }
.download-card .platform-icon { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
.download-card .version-tag { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--color-text-muted); margin-bottom: 0.5rem; }
.download-card h3 { margin-bottom: 0.375rem; }
.download-card p  { color: var(--color-text-muted); font-size: 0.9375rem; }
.download-card .featured-badge {
    position: absolute; top: -1px; right: 1.5rem;
    background: var(--color-primary); color: #fff;
    font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
    padding: 0.25rem 0.75rem; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

/* --- PDF / case study cards --- */
.pdf-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex; gap: 1rem; align-items: flex-start;
    transition: var(--transition);
}
.pdf-card:hover { box-shadow: var(--shadow-sm); border-color: var(--color-primary-light); }
.pdf-icon {
    width: 40px; height: 40px;
    background: rgba(229,57,53,0.1);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; font-size: 1.125rem; color: #e53935;
}
.pdf-card-body h5 { font-size: 0.9rem; margin-bottom: 0.25rem; line-height: 1.4; }
.pdf-card-body .pdf-meta { font-size: 0.8rem; color: var(--color-text-light); }

/* --- Footer --- */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.75); padding: 3.5rem 0 2rem; }
.site-footer h5 { color: #fff; font-size: 0.875rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 1.25rem; }
.site-footer a { color: rgba(255,255,255,0.65); display: block; margin-bottom: 0.5rem; font-size: 0.9rem; }
.site-footer a:hover { color: var(--color-accent); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    margin-top: 2.5rem; padding-top: 1.5rem;
    font-size: 0.8125rem; color: rgba(255,255,255,0.45);
    display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
}

/* --- Utilities --- */
.text-muted-emds  { color: var(--color-text-muted); }
.text-green       { color: var(--color-primary-light); }
.text-blue        { color: var(--color-blue-light); }
.text-white       { color: #fff; }
.fw-600           { font-weight: 600; }
.mt-4 { margin-top: 2rem; } .mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; } .mb-4 { margin-bottom: 2rem; }
.text-center { text-align: center; }

/* --- Blazor error --- */
#blazor-error-ui {
    background: #fee2e2; bottom: 0; box-shadow: 0 -1px 2px rgba(0,0,0,.1);
    display: none; left: 0; padding: .6rem 1.25rem .7rem;
    position: fixed; width: 100%; z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: .75rem; top: .5rem; }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbmsiPjwvc3ZnPg==) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem; color: white;
}
.blazor-error-boundary::after { content: "An error has occurred."; }