/* ==========================================================================
   MOJISOLA GRACE HUMANITARIAN FOUNDATION — Core Stylesheet
   Design tone: calm, elegant, generous whitespace
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500&display=swap');

:root {
  /* ---- Color tokens (drawn from the foundation logo) ---- */
  --green-deep:   #1B4332;   /* primary — wordmark, nav, headings */
  --green-soft:   #4E6B58;   /* muted secondary green */
  --gold:         #B8934A;   /* softened gold accent (from logo moon/rays) */
  --gold-bright:  #C9971F;   /* used sparingly for emphasis/hover */
  --brown:        #6B4226;   /* palm trunk brown — rare accent */
  --cream:        #FBF9F4;   /* primary background */
  --cream-alt:    #F2ECDF;   /* alternate section background */
  --charcoal:     #262620;   /* body text */
  --white:        #FFFFFF;
  --line:         rgba(38,38,32,0.10);

  /* ---- Type (single family — Montserrat — weighted for hierarchy) ---- */
  --font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

  /* ---- Spacing scale ---- */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  --radius: 4px;
  --max-width: 1180px;
}

/* ---- Reset ---- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--cream);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--green-deep);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.3rem; font-weight: 600; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  display: inline-block;
  margin-bottom: var(--space-xs);
}

.lede { font-size: 1.15rem; color: var(--green-soft); max-width: 60ch; font-weight: 400; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
@media (max-width: 640px) {
  .container { padding: 0 var(--space-sm); }
  .lede { font-size: 0.9rem; }
}

section { padding: var(--space-xl) 0; }
.section-alt { background: var(--cream-alt); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-primary { background: var(--green-deep); color: var(--white); }
.btn-primary:hover { background: #14352A; transform: translateY(-1px); }
.btn-gold { background: var(--gold); color: var(--white); }
.btn-gold:hover { background: var(--gold-bright); transform: translateY(-1px); }
.btn-outline { border-color: var(--green-deep); color: var(--green-deep); background: transparent; }
.btn-outline:hover { background: var(--green-deep); color: var(--white); }
.btn-row { display: flex; gap: var(--space-sm); flex-wrap: wrap; align-items: center; }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 249, 244, 0.97);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 0.65rem; }
.brand img { height: 56px; width: auto; }
.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--green-deep);
  font-size: 1.05rem;
  line-height: 1.1;
}
.brand-text small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-top: 2px;
}
.nav-links { display: flex; gap: var(--space-md); align-items: center; }
.nav-links a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--charcoal);
  position: relative;
  padding: 0.3rem 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width 0.25s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--green-deep); }
.nav-cta { margin-left: var(--space-sm); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle-line {
  transform-origin: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.is-open .line-top { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open .line-mid { opacity: 0; }
.nav-toggle.is-open .line-bottom { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--cream);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: var(--space-lg) var(--space-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -8px 0 24px rgba(0,0,0,0.18);
    z-index: 210;
    overflow-y: auto;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: block; position: relative; z-index: 220; }
  .nav-cta { margin-left: 0; margin-top: var(--space-sm); }

  .nav-close {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 18px;
    right: 18px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--white);
    color: var(--green-deep);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(19, 38, 29, 0.55);
    z-index: 200;
  }
  .nav-overlay.open { display: block; }
}

@media (min-width: 901px) {
  .nav-close, .nav-overlay { display: none; }
}

/* ==========================================================================
   HERO — full-width background image slider (4 images, crossfade)
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: heroCrossfade 24s infinite;
}
.hero-slide:nth-child(1) { background-image: url('/images/image5.jpg'); animation-delay: 0s; }
.hero-slide:nth-child(2) { background-image: url('/images/image6.jpg'); animation-delay: 6s; }
.hero-slide:nth-child(3) { background-image: url('/images/image7.jpg'); animation-delay: 12s; }
.hero-slide:nth-child(4) { background-image: url('/images/image8.jpg'); animation-delay: 18s; }

@keyframes heroCrossfade {
  0%   { opacity: 0; }
  4%   { opacity: 1; }
  25%  { opacity: 1; }
  29%  { opacity: 0; }
  100% { opacity: 0; }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(19,38,29,0.72) 0%, rgba(19,38,29,0.55) 45%, rgba(19,38,29,0.8) 100%);
}

.hero-inner {
  position: relative;
  z-index: 3;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  text-align: center;
}
.hero .eyebrow { color: var(--gold-bright); }
.hero h1 {
  color: var(--white);
  min-height: calc(1.15em * 2);
  opacity: 0;
  animation: fadeUp 1s ease 0.15s forwards;
}
.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--gold-bright);
  margin-left: 4px;
  vertical-align: middle;
  animation: blinkCursor 0.85s steps(1) infinite;
}
@keyframes blinkCursor {
  50% { opacity: 0; }
}
.hero .lede {
  color: rgba(251,249,244,0.9);
  margin: var(--space-sm) auto 0;
  opacity: 0;
  animation: fadeUp 1s ease 0.4s forwards;
}
.hero .btn-row {
  justify-content: center;
  margin-top: var(--space-md);
  opacity: 0;
  animation: fadeUp 1s ease 0.65s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Scroll reveal (used site-wide) ---- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1), transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---- Cards / grids ---- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}
.grid-3 .reveal:nth-child(1), .grid-2 .reveal:nth-child(1) { transition-delay: 0s; }
.grid-3 .reveal:nth-child(2), .grid-2 .reveal:nth-child(2) { transition-delay: 0.15s; }
.grid-3 .reveal:nth-child(3) { transition-delay: 0.3s; }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(27,67,50,0.08); }
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--green-soft); font-size: 0.95rem; }

.divider {
  width: 64px; height: 3px;
  background: var(--gold);
  border: none;
  border-radius: 2px;
  margin: var(--space-sm) 0 var(--space-md);
}
.divider.center { margin-left: auto; margin-right: auto; }

/* ---- Stats strip ---- */
.stats-strip {
  background: var(--green-deep);
  color: var(--cream);
  padding: var(--space-lg) 0;
}
.stats-strip .grid-3 { text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  color: var(--gold);
}
.stat-label { font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.4rem; }

/* ---- Image placeholders ---- */
.img-ph {
  background: var(--cream-alt);
  border: 1px dashed var(--line);
  color: var(--green-soft);
  font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  text-align: center;
  padding: var(--space-sm);
}

/* ---- Forms ---- */
.form-field { margin-bottom: var(--space-sm); }
.form-field label { display: block; font-weight: 600; font-size: 0.88rem; margin-bottom: 0.35rem; color: var(--green-deep); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  transition: border-color 0.2s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--gold);
}
.form-field textarea { min-height: 130px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--space-sm); }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

/* ---- Footer ---- */
.site-footer { background: #12241C; color: rgba(251,249,244,0.85); padding: var(--space-lg) 0 var(--space-sm); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: var(--space-md); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); } }
.site-footer a { word-break: break-word; overflow-wrap: break-word; }
.site-footer h4 { color: var(--gold); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-body); margin-bottom: var(--space-sm); }
.site-footer a { font-size: 0.9rem; opacity: 0.85; display: block; margin-bottom: 0.55rem; transition: opacity 0.2s ease; }
.site-footer a:hover { opacity: 1; color: var(--gold); }
.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(251,249,244,0.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.8rem; opacity: 0.65;
}
.social-row { display: flex; gap: 0.75rem; margin-top: var(--space-sm); }
.social-row a {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(251,249,244,0.25);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0;
}
.social-row a:hover { border-color: var(--gold); }

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .hero h1, .hero .lede, .hero .btn-row { opacity: 1; }
  .hero-slide:first-child { opacity: 1; }
}

/* ---- Focus visibility (accessibility) ---- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---- Breadcrumb / page header (inner pages) ---- */
.page-header {
  background: var(--cream-alt);
  padding: var(--space-lg) 0 var(--space-md);
  text-align: center;
}
.page-header .eyebrow { display: block; }