/*
Theme Name: EfD Africa
Theme URI: https://efdafrica.org
Author: Mu
Description: Official website for EfD African Hub — Pan-African Research & Policy Platform
Version: 2.0
Text Domain: efdafrica
*/

:root {
  --green-dark:    #1B5E20;
  --green-primary: #2E7D32;
  --green-mid:     #388E3C;
  --green-light:   #E8F5E9;
  --charcoal:      #1C1C1C;
  --charcoal-mid:  #3A3A3A;
  --grey-light:    #F5F5F5;
  --white:         #FFFFFF;
  --border:        #D8E8D8;
  --accent-gold:   #F9A825;
  --font-display:  'Merriweather', Georgia, serif;
  --font-body:     'Inter', 'Helvetica Neue', Arial, sans-serif;
  --space-xs: 0.5rem; --space-sm: 1rem; --space-md: 2rem; --space-lg: 4rem; --space-xl: 7rem;
  --container: 1160px; --radius: 4px; --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--charcoal-mid); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--green-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-dark); }
ul { list-style: none; }

h1, h2, h3, h4, h5 { font-family: var(--font-display); color: var(--charcoal); line-height: 1.25; font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.35rem); }
h4 { font-size: 1rem; }
p { margin-bottom: var(--space-sm); max-width: 70ch; }
p:last-child { margin-bottom: 0; }

.eyebrow { font-family: var(--font-body); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--green-primary); display: block; margin-bottom: var(--space-xs); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-md); }
.section { padding: var(--space-lg) 0; }
.section--grey { background: var(--grey-light); }
.section--green { background: var(--green-light); }
.section--dark { background: var(--charcoal); color: var(--white); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--white); }
.section-header { margin-bottom: var(--space-md); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* NAV */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--white); border-bottom: 2px solid var(--green-primary); box-shadow: 0 1px 8px rgba(0,0,0,0.06); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem var(--space-md); max-width: var(--container); margin: 0 auto; }
.site-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.site-logo img { height: 48px; width: auto; }
.site-logo__text { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--charcoal); line-height: 1.2; }
.site-logo__text span { color: var(--green-primary); }
.primary-nav { display: flex; align-items: center; gap: 0.2rem; }
.primary-nav a { font-size: 0.83rem; font-weight: 500; color: var(--charcoal); padding: 0.4rem 0.55rem; border-radius: var(--radius); transition: all var(--transition); }
.primary-nav a:hover, .primary-nav a.current { color: var(--green-primary); background: var(--green-light); }
.nav-cta { background: var(--green-primary) !important; color: var(--white) !important; padding: 0.5rem 1rem !important; border-radius: var(--radius) !important; font-weight: 600 !important; }
.nav-cta:hover { background: var(--green-dark) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--charcoal); }
@media (max-width: 960px) {
  .nav-toggle { display: flex; }
  .primary-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--white); border-top: 1px solid var(--border); padding: var(--space-sm) var(--space-md); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
  .primary-nav.open { display: flex; }
  .primary-nav a { width: 100%; padding: 0.65rem 0; border-bottom: 1px solid var(--border); border-radius: 0; }
}

/* BUTTONS */
.btn { display: inline-block; padding: 0.75rem 1.75rem; border-radius: var(--radius); font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: all var(--transition); border: 2px solid transparent; font-family: var(--font-body); }
.btn-primary { background: var(--green-primary); color: var(--white); border-color: var(--green-primary); }
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); color: var(--white); }
.btn-outline { background: transparent; color: var(--green-primary); border-color: var(--green-primary); }
.btn-outline:hover { background: var(--green-primary); color: var(--white); }
.btn-white { background: var(--white); color: var(--green-primary); border-color: var(--white); }
.btn-white:hover { background: var(--green-light); }

/* HERO */
.hero { background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-primary) 100%); color: var(--white); padding: var(--space-xl) 0; }
.hero__inner { max-width: 720px; }
.hero h1 { color: var(--white); margin-bottom: var(--space-sm); }
.hero p { font-size: 1.1rem; color: rgba(255,255,255,0.88); margin-bottom: var(--space-md); max-width: 640px; }
.hero__actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.hero--short { padding: 4rem 0; }

/* STAT STRIP */
.stat-strip { background: var(--green-primary); color: var(--white); padding: var(--space-md) 0; }
.stat-strip__inner { display: flex; justify-content: space-around; flex-wrap: wrap; gap: var(--space-md); text-align: center; }
.stat-item__number { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; display: block; line-height: 1; }
.stat-item__label { font-size: 0.85rem; opacity: 0.85; margin-top: 0.3rem; }

/* CARDS */
.card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-md); transition: box-shadow var(--transition), transform var(--transition); }
.card:hover { box-shadow: 0 6px 24px rgba(46,125,50,0.10); transform: translateY(-2px); }

/* COUNTRY TAGS */
.country-grid { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.country-tag { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--green-light); border: 1px solid var(--border); border-radius: 2rem; padding: 0.4rem 1rem; font-size: 0.875rem; font-weight: 500; color: var(--green-dark); transition: all var(--transition); }
.country-tag:hover { background: var(--green-primary); color: var(--white); border-color: var(--green-primary); }

/* SOCIAL ICONS */
.social-links { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.25rem; }
.social-link { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--charcoal-mid); font-size: 0.85rem; font-weight: 500; padding: 0.4rem 0.85rem; border: 1.5px solid var(--border); border-radius: 2rem; transition: all var(--transition); }
.social-link:hover { background: var(--green-primary); color: var(--white); border-color: var(--green-primary); }

/* FORMS */
.form-group { margin-bottom: var(--space-sm); }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--charcoal); margin-bottom: 0.4rem; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.75rem 1rem; border: 1.5px solid var(--border); border-radius: var(--radius); font-family: var(--font-body); font-size: 0.95rem; color: var(--charcoal-mid); transition: border-color var(--transition); background: var(--white); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--green-primary); box-shadow: 0 0 0 3px rgba(46,125,50,0.12); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* PUBLICATIONS */
.pub-item { padding: 1.25rem 0; border-bottom: 1px solid var(--border); }
.pub-item:last-child { border-bottom: none; }
.pub-meta { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin-bottom: 0.4rem; }
.pub-tag { background: var(--green-light); color: var(--green-dark); font-size: 0.72rem; font-weight: 600; padding: 0.15rem 0.6rem; border-radius: 2rem; }

/* FOOTER */
.site-footer { background: var(--charcoal); color: rgba(255,255,255,0.75); padding: var(--space-lg) 0 var(--space-md); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-md); margin-bottom: var(--space-lg); }
.footer-brand p { font-size: 0.875rem; margin-top: var(--space-sm); max-width: 280px; }
.footer-col h4 { color: var(--white); font-family: var(--font-body); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--space-sm); }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a { color: rgba(255,255,255,0.65); font-size: 0.875rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-sm); display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; flex-wrap: wrap; gap: var(--space-sm); }
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-social { display: flex; gap: 0.6rem; margin-top: 1rem; flex-wrap: wrap; }
.footer-social a { color: rgba(255,255,255,0.65); font-size: 0.78rem; border: 1px solid rgba(255,255,255,0.2); padding: 0.3rem 0.7rem; border-radius: 4px; transition: all var(--transition); }
.footer-social a:hover { color: #fff; border-color: rgba(255,255,255,0.5); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; text-align: center; } }

/* UTILS */
.text-center { text-align: center; }
.text-center p { margin-left: auto; margin-right: auto; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
:focus-visible { outline: 2px solid var(--green-primary); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

/* NAV SOCIAL ICONS */
.nav-social { display: flex; align-items: center; gap: 0.3rem; margin: 0 0.3rem; }
.nav-social a { font-size: 0.85rem; color: var(--charcoal-mid); padding: 0.3rem 0.4rem; border-radius: var(--radius); transition: all var(--transition); border: 1px solid var(--border); line-height: 1; }
.nav-social a:hover { background: var(--green-light); color: var(--green-primary); border-color: var(--green-primary); }
@media (max-width: 960px) { .nav-social { margin: 0.5rem 0; } .nav-social a { padding: 0.4rem 0.6rem; } }