/* ===================================================================
   Bamunanika Charity Foundation — Stylesheet
   =================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --green-900: #143228;
  --green-800: #1b4435;
  --green-700: #225340;
  --green-600: #2f6e54;
  --green-500: #3f8a6b;

  --amber:      #f0a93b;
  --amber-dark: #d98e1c;
  --amber-soft: #fbe6c0;

  --cream:  #fbf6ec;
  --sand:   #f4ebd9;
  --paper:  #ffffff;

  --ink:    #2a261d;
  --muted:  #6f6757;

  --radius:    20px;
  --radius-sm: 12px;
  --shadow:    0 18px 45px -22px rgba(20, 40, 30, 0.45);
  --shadow-lg: 0 36px 70px -30px rgba(20, 40, 30, 0.55);

  --container: 1180px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.72;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--green-900);
}

p { color: var(--muted); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.2rem, 4vw, 2.4rem);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
              background-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}
.btn svg { flex-shrink: 0; transition: transform 0.25s var(--ease); }
.btn-primary {
  background: var(--amber);
  color: var(--green-900);
  box-shadow: 0 14px 28px -12px rgba(217, 142, 28, 0.7);
}
.btn-primary:hover {
  background: var(--amber-dark);
  transform: translateY(-3px);
  box-shadow: 0 20px 34px -12px rgba(217, 142, 28, 0.8);
}
.btn-primary:hover svg { transform: translateX(3px); }
.btn-outline-light {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(4px);
}
.btn-outline-light:hover {
  background: #fff;
  color: var(--green-900);
  transform: translateY(-3px);
}
.btn-lg { padding: 1.1rem 2.1rem; font-size: 1.03rem; }
.btn-sm { padding: 0.7rem 1.3rem; font-size: 0.9rem; }
.btn-block { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color 0.3s var(--ease), box-shadow 0.3s var(--ease),
              padding 0.3s var(--ease);
  padding-block: 0.55rem;
}
.site-header.scrolled {
  background: rgba(251, 246, 236, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px -16px rgba(20, 40, 30, 0.5);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand { display: flex; align-items: center; gap: 0.65rem; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--amber);
  color: var(--green-900);
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong {
  font-family: "Fraunces", serif;
  font-size: 1.22rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}
.brand-text small {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 600;
}
.scrolled .brand-text strong { color: var(--green-900); }
.scrolled .brand-text small { color: var(--muted); }

.nav-links { display: flex; align-items: center; gap: 0.4rem; }
.nav-links > a:not(.btn) {
  font-weight: 500;
  font-size: 0.96rem;
  color: rgba(255, 255, 255, 0.9);
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.nav-links > a:not(.btn):hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
.scrolled .nav-links > a:not(.btn) { color: var(--green-800); }
.scrolled .nav-links > a:not(.btn):hover { background: rgba(20, 50, 40, 0.07); }
.nav-cta { margin-left: 0.5rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 26px; height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease),
              background-color 0.3s var(--ease);
}
.scrolled .nav-toggle span { background: var(--green-900); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: url("images/photo-02.jpg") center 30% / cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg,
      rgba(15, 33, 26, 0.93) 0%,
      rgba(15, 33, 26, 0.78) 38%,
      rgba(15, 33, 26, 0.32) 72%,
      rgba(15, 33, 26, 0.55) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 7.5rem;
  padding-bottom: 9.5rem;
  max-width: 760px;
}
.hero-title {
  color: #fff;
  font-size: clamp(2.5rem, 5.6vw, 4.15rem);
  font-weight: 600;
  margin: 1.1rem 0 1.3rem;
}
.hero-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  max-width: 560px;
  margin-bottom: 2.2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 2.2rem;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 14px;
  z-index: 2;
}
.hero-scroll span {
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 8px;
  background: #fff;
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollDot 1.8s var(--ease) infinite;
}
@keyframes scrollDot {
  0%, 100% { opacity: 0; transform: translate(-50%, 0); }
  40% { opacity: 1; }
  80% { opacity: 0; transform: translate(-50%, 14px); }
}

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--amber-dark);
}
.eyebrow-light { color: var(--amber); }
.eyebrow-dot {
  width: 22px; height: 2px;
  background: currentColor;
  border-radius: 2px;
}

/* ---------- Pillars ---------- */
.pillars-section { position: relative; z-index: 5; }
.pillars-card {
  margin-top: -6rem;
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: clamp(1.6rem, 3vw, 2.6rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.pillar {
  text-align: center;
  padding: 1.3rem 1rem;
  border-radius: var(--radius-sm);
  transition: background-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.pillar:hover { background: var(--cream); transform: translateY(-4px); }
.pillar-icon {
  display: grid;
  place-items: center;
  width: 58px; height: 58px;
  margin: 0 auto 0.9rem;
  border-radius: 16px;
  background: var(--amber-soft);
  color: var(--green-700);
}
.pillar-icon svg { width: 28px; height: 28px; }
.pillar h3 { font-size: 1.16rem; margin-bottom: 0.3rem; }
.pillar p { font-size: 0.92rem; line-height: 1.55; }

/* ---------- Section base ---------- */
.section { padding-block: clamp(4.5rem, 9vw, 7.5rem); }
.section-sand  { background: var(--sand); }
.section-green {
  background: var(--green-800);
  background-image:
    radial-gradient(circle at 12% 18%, rgba(63, 138, 107, 0.4) 0, transparent 42%),
    radial-gradient(circle at 88% 86%, rgba(63, 138, 107, 0.35) 0, transparent 45%);
}

.section-head {
  max-width: 680px;
  margin: 0 auto 3.2rem;
  text-align: center;
}
.section-head .eyebrow { margin-bottom: 0.9rem; }
.section-title {
  font-size: clamp(2rem, 3.6vw, 3rem);
}
.section-lead { margin-top: 1rem; font-size: 1.08rem; }
.section-lead-light { color: rgba(255, 255, 255, 0.82); }
.section-green .section-title { color: #fff; }

/* ---------- Split layout (mission / story) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split-text .eyebrow { margin-bottom: 0.9rem; }
.split-text .section-title { margin-bottom: 1.2rem; }
.split-text p + p { margin-top: 1rem; }

.split-media { position: relative; }
.split-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.split-reverse .split-media { order: 2; }
.split-reverse .split-media img { aspect-ratio: 5 / 4; }

.media-badge {
  position: absolute;
  right: -18px; bottom: -22px;
  background: var(--amber);
  color: var(--green-900);
  border-radius: var(--radius-sm);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
  line-height: 1.1;
}
.media-badge strong {
  display: block;
  font-family: "Fraunces", serif;
  font-size: 1.3rem;
}
.media-badge span { font-size: 0.9rem; font-weight: 500; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.6rem;
  font-weight: 600;
  color: var(--green-700);
  border-bottom: 2px solid var(--amber);
  padding-bottom: 2px;
  transition: gap 0.25s var(--ease);
}
.link-arrow:hover { gap: 0.7rem; }

.pull-quote {
  margin-top: 1.8rem;
  padding: 1.3rem 1.6rem;
  border-left: 4px solid var(--amber);
  background: rgba(255, 255, 255, 0.6);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: "Fraunces", serif;
  font-size: 1.3rem;
  font-style: italic;
  color: var(--green-900);
  line-height: 1.4;
}

/* ---------- What We Do — cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}
.card {
  background: var(--paper);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.card-media { overflow: hidden; }
.card-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.card:hover .card-media img { transform: scale(1.07); }
.card-body { padding: 1.6rem 1.7rem 1.9rem; }
.card-body h3 { font-size: 1.32rem; margin-bottom: 0.5rem; }
.card-body p { font-size: 0.97rem; }

/* ---------- Goals ---------- */
.goals {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem;
  max-width: 880px;
  margin: 0 auto;
}
.goal-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 2.2rem 2rem;
  text-align: center;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}
.goal-card:hover { transform: translateY(-6px); background: rgba(255, 255, 255, 0.11); }
.goal-icon {
  display: grid;
  place-items: center;
  width: 64px; height: 64px;
  margin: 0 auto 1.1rem;
  border-radius: 18px;
  background: var(--amber);
  color: var(--green-900);
}
.goal-icon svg { width: 32px; height: 32px; }
.goal-card h3 { color: #fff; font-size: 1.4rem; margin-bottom: 0.5rem; }
.goal-card p { color: rgba(255, 255, 255, 0.78); font-size: 0.97rem; }
.goals-cta { text-align: center; margin-top: 2.8rem; }

/* ---------- Donate ---------- */
.section-donate { background: var(--sand); }
.donate-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  background: var(--paper);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.donate-media { position: relative; }
.donate-media img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; }
.donate-content { padding: clamp(2rem, 4vw, 3.4rem); }
.donate-content .eyebrow { margin-bottom: 0.9rem; }
.donate-content .section-title { margin-bottom: 1rem; }

.amount-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.6rem 0 1.4rem;
}
.chip {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 0.96rem;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  border: 2px solid rgba(20, 50, 40, 0.16);
  background: var(--cream);
  color: var(--green-800);
  cursor: pointer;
  transition: all 0.22s var(--ease);
}
.chip:hover { border-color: var(--amber); }
.chip.is-active {
  background: var(--green-700);
  border-color: var(--green-700);
  color: #fff;
}
.donate-note {
  margin-top: 0.95rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

/* ---------- Gallery ---------- */
.section-gallery {
  background: var(--green-900);
  background-image:
    radial-gradient(circle at 85% 12%, rgba(63, 138, 107, 0.35) 0, transparent 40%);
}
.section-gallery .section-title { color: #fff; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 230px;
  gap: 1.1rem;
}
.gallery-item {
  border: 0;
  padding: 0;
  margin: 0;
  cursor: pointer;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--green-800);
  position: relative;
}
.gallery-tall { grid-row: span 2; }
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.4s var(--ease);
}
.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 33, 26, 0.5));
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:hover::after { opacity: 1; }

/* ---------- Closing CTA ---------- */
.closing-cta {
  background: linear-gradient(120deg, var(--amber) 0%, var(--amber-dark) 100%);
  padding-block: clamp(4rem, 8vw, 6rem);
}
.closing-inner { text-align: center; max-width: 720px; }
.closing-inner h2 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  color: var(--green-900);
  margin-bottom: 0.9rem;
}
.closing-inner p {
  color: rgba(20, 50, 40, 0.82);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}
.closing-inner .btn-primary {
  background: var(--green-800);
  color: #fff;
  box-shadow: 0 16px 30px -14px rgba(15, 33, 26, 0.7);
}
.closing-inner .btn-primary:hover { background: var(--green-900); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--green-900);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.brand-footer .brand-text strong { color: #fff; }
.footer-brand p { margin-top: 1.1rem; font-size: 0.95rem; max-width: 360px; }
.footer-links { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links h4, .footer-cta h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 0.7rem;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: color 0.2s var(--ease);
}
.footer-links a:hover { color: var(--amber); }
.footer-cta p { font-size: 0.95rem; margin-bottom: 1.1rem; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-block: 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
}
.footer-bottom p { color: rgba(255, 255, 255, 0.55); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 4vw;
  background: rgba(15, 33, 26, 0.94);
  backdrop-filter: blur(6px);
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  animation: zoomIn 0.3s var(--ease);
}
@keyframes zoomIn { from { opacity: 0; transform: scale(0.94); } to { opacity: 1; transform: scale(1); } }
.lightbox-close {
  position: absolute;
  top: 1.4rem; right: 1.8rem;
  width: 48px; height: 48px;
  font-size: 2rem;
  line-height: 1;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.2s var(--ease);
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.28); }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .pillars-card { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .donate-panel { grid-template-columns: 1fr; }
  .donate-media img { min-height: 300px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 74px; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 320px);
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    background: var(--green-900);
    padding: 6rem 1.6rem 2rem;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
    box-shadow: -20px 0 50px -20px rgba(0, 0, 0, 0.6);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links > a:not(.btn) {
    color: rgba(255, 255, 255, 0.9);
    width: 100%;
    font-size: 1.05rem;
    padding: 0.7rem 0.5rem;
  }
  .scrolled .nav-links > a:not(.btn) { color: rgba(255, 255, 255, 0.9); }
  .nav-cta { margin: 0.8rem 0 0; }
  body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  body.menu-open .nav-toggle span { background: #fff; }

  .split { grid-template-columns: 1fr; gap: 2.5rem; }
  .split-reverse .split-media { order: 0; }
  .split-media img { aspect-ratio: 4 / 3; }
  .split-reverse .split-media img { aspect-ratio: 4 / 3; }
  .media-badge { right: 1rem; bottom: -20px; padding: 0.8rem 1.2rem; }

  .goals { grid-template-columns: 1fr; }
  .pillars-card { grid-template-columns: 1fr; gap: 0.4rem; margin-top: -4.5rem; }
  .pillar { display: flex; align-items: center; text-align: left; gap: 1rem; padding: 1rem; }
  .pillar-icon { margin: 0; flex-shrink: 0; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 175px; }
  .gallery-tall { grid-row: span 2; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { justify-content: center; text-align: center; }
}

@media (max-width: 420px) {
  .hero-actions .btn { width: 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-scroll span { animation: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}