/* =============================================
   OXYTHEA — CSS
   ============================================= */

:root {
  --green-deep: #1a4d2e;
  --green-mid: #2d7a3a;
  --green-bright: #4aad56;
  --green-light: #7dce8a;
  --green-pale: #c8f0cd;
  --earth: #5a3e2b;
  --sky: #e8f5f0;
  --white: #ffffff;
  --dark: #0d1f15;
  --dark-mid: #1b3424;
  --text-dark: #1a2e1f;
  --text-muted: #5a7a62;
  --accent: #f0a500;
  --font-display: 'Noto Serif Armenian', serif;
  --font-body: 'Noto Sans Armenian', sans-serif;
  --font-mono: 'Noto Sans Armenian', sans-serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.65;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ===================== LOADER ===================== */
#loader {
  position: fixed; inset: 0;
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: var(--dark);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
#loader.done { opacity: 0; pointer-events: none; transform: translateY(-100%); }

.loader-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, #1a4d2e 0%, #0d1f15 70%);
}

.loader-content {
  position: relative; z-index: 1;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 1.5rem;
}

.loader-tree svg {
  width: 80px; height: 120px;
  animation: treeGrow 1.5s var(--ease) forwards;
}
@keyframes treeGrow {
  from { transform: scaleY(0) translateY(60px); opacity: 0; }
  to   { transform: scaleY(1) translateY(0); opacity: 1; }
}

.tree-l1 { animation: leafIn 0.5s 0.3s both; }
.tree-l2 { animation: leafIn 0.5s 0.6s both; }
.tree-l3 { animation: leafIn 0.5s 0.9s both; }
.tree-trunk { animation: leafIn 0.5s 1.1s both; }
.tree-glow { animation: glowPulse 2s 1s infinite; }
@keyframes leafIn { from { opacity: 0; transform: scale(0); } to { opacity: 1; transform: scale(1); } }
@keyframes glowPulse { 0%,100% { opacity: 0.15; } 50% { opacity: 0.4; } }

.loader-text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0;
}
.loader-text span {
  display: inline-block;
  animation: letterFall 0.5s var(--ease) both;
}
.loader-text span:nth-child(1) { animation-delay: 0.8s; }
.loader-text span:nth-child(2) { animation-delay: 0.9s; }
.loader-text span:nth-child(3) { animation-delay: 1.0s; }
.loader-text span:nth-child(4) { animation-delay: 1.1s; }
.loader-text span:nth-child(5) { animation-delay: 1.2s; }
.loader-text span:nth-child(6) { animation-delay: 1.3s; }
.loader-text span:nth-child(7) { animation-delay: 1.4s; }
@keyframes letterFall {
  from { opacity: 0; transform: translateY(-30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.loader-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green-bright);
  letter-spacing: 0;
  text-transform: uppercase;
  animation: fadeIn 0.5s 1.5s both;
}

.loader-bar {
  width: 240px; height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 99px;
  overflow: hidden;
  animation: fadeIn 0.5s 1.6s both;
}
.loader-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green-mid), var(--green-bright));
  border-radius: 99px;
  animation: loadProgress 2s 1.6s var(--ease) forwards;
  width: 0;
}
@keyframes loadProgress { to { width: 100%; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ===================== PARTICLES ===================== */
#particles {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.2; }
  100% { transform: translateY(-20vh) rotate(720deg); opacity: 0; }
}

/* ===================== NAVBAR ===================== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.4s var(--ease);
}
#navbar.scrolled {
  background: rgba(13, 31, 21, 0.95);
  backdrop-filter: blur(20px);
  padding: 0.6rem 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}

.nav-logo {
  display: flex; align-items: center; gap: 0.6rem;
  cursor: pointer;
}
.logo-icon svg { width: 36px; height: 36px; }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 900;
  color: var(--white);
  letter-spacing: 0;
}
.lang-switcher {
  display: flex; align-items: center; gap: 0.35rem;
  margin-left: 1rem;
}
.lang-switcher a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; height: 30px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.22);
  color: rgba(255,255,255,0.72);
  font-size: 0.72rem; font-weight: 700;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.lang-switcher a:hover,
.lang-switcher a.active {
  background: rgba(74,173,86,0.24);
  border-color: var(--green-bright);
  color: var(--white);
}

.nav-links {
  display: flex; align-items: center; gap: 2rem;
  list-style: none;
  margin-left: auto;
}
.nav-link {
  font-size: 0.9rem; font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color 0.3s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 100%;
  height: 2px; background: var(--green-bright);
  transition: right 0.3s var(--ease);
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after { right: 0; }

.nav-cta {
  background: var(--green-bright);
  color: var(--white) !important;
  padding: 0.5rem 1.2rem; border-radius: 8px;
  font-weight: 600;
  transition: background 0.3s, transform 0.2s;
}
.nav-cta:hover { background: var(--green-mid); transform: translateY(-2px); }
.nav-cta::after { display: none; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  padding: 5px;
}
.nav-toggle span {
  display: block; width: 25px; height: 2px;
  background: var(--white);
  transition: all 0.3s;
}

/* ===================== HERO ===================== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; }
.hero-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 1.5s ease;
}
.hero-img.active { opacity: 1; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(13,31,21,0.85) 0%, rgba(26,77,46,0.5) 60%, rgba(13,31,21,0.7) 100%);
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto;
  padding: 8rem 2rem 4rem;
  max-width: 750px;
}

@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.5; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 1.5rem;
}
.hero-title .line { display: block; }
.hero-title .accent { color: var(--green-light); }

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.8);
  max-width: 550px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-btns {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 4rem;
}

.btn-primary {
  display: inline-flex; align-items: center;
  background: var(--green-bright);
  color: var(--white);
  padding: 0.9rem 2rem; border-radius: 12px;
  font-weight: 600; font-size: 0.95rem;
  transition: all 0.3s var(--ease);
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.15) 100%);
  opacity: 0; transition: opacity 0.3s;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(74,173,86,0.4); }
.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
  display: inline-flex; align-items: center;
  background: transparent;
  color: var(--white);
  padding: 0.9rem 2rem; border-radius: 12px;
  font-weight: 600; font-size: 0.95rem;
  border: 1px solid rgba(255,255,255,0.4);
  transition: all 0.3s var(--ease);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
}
.stat { text-align: left; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 900;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem; color: rgba(255,255,255,0.6);
  text-transform: uppercase; letter-spacing: 0;
}
.stat-divider {
  width: 1px; height: 50px;
  background: rgba(255,255,255,0.2);
}

.hero-scroll {
  position: absolute; bottom: 3rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem; letter-spacing: 0;
  animation: scrollBounce 2s infinite;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--green-bright), transparent);
}
@keyframes scrollBounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===================== AIR BAND ===================== */
.air-band {
  background: var(--dark);
  padding: 0.8rem 0; overflow: hidden;
}
.air-band-inner { display: flex; overflow: hidden; }
.air-ticker {
  display: flex; gap: 4rem; align-items: center;
  white-space: nowrap;
  animation: tickerMove 30s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.8rem; color: var(--green-bright);
}
@keyframes tickerMove { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===================== CONTAINER ===================== */
.container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 2rem;
}

/* ===================== SECTION LABELS ===================== */
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0;
  color: var(--green-mid);
  background: var(--green-pale);
  padding: 0.35rem 0.9rem; border-radius: 99px;
  margin-bottom: 1.2rem;
}
.section-label.light { color: var(--green-bright); background: rgba(74,173,86,0.15); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--dark);
  margin-bottom: 1.5rem;
}
.section-title.light { color: var(--white); }
.section-title .accent { color: var(--green-mid); }
.section-title .accent-light { color: var(--green-light); }

.section-desc {
  font-size: 1.1rem; color: var(--text-muted);
  max-width: 600px; margin-bottom: 3rem;
  line-height: 1.7;
}
.section-desc.light { color: rgba(255,255,255,0.75); }

/* ===================== REVEAL ANIMATIONS ===================== */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left {
  opacity: 0; transform: translateX(-50px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.delay-1 { transition-delay: 0.15s !important; }
.delay-2 { transition-delay: 0.3s !important; }
.delay-3 { transition-delay: 0.45s !important; }

/* ===================== ABOUT ===================== */
.about { padding: 7rem 0; background: var(--white); }

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem;
  align-items: center;
}

.img-stack { position: relative; }
.img-main {
  width: 100%; border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.15);
  aspect-ratio: 4/5; object-fit: cover;
}
.img-secondary {
  position: absolute; bottom: -3rem; right: -3rem;
  width: 55%; border-radius: 15px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  aspect-ratio: 1; object-fit: cover;
  border: 5px solid var(--white);
}
.about-text { padding: 0 1rem; }
.about-text p { margin-bottom: 1.2rem; color: var(--text-muted); font-size: 1rem; line-height: 1.8; }

.about-pillars { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 2rem; }
.pillar {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 1.2rem; border-radius: 12px;
  background: var(--sky);
  transition: transform 0.3s, box-shadow 0.3s;
}
.pillar:hover { transform: translateX(5px); box-shadow: 0 5px 20px rgba(0,0,0,0.07); }
.pillar-icon { font-size: 1.5rem; flex-shrink: 0; }
.pillar strong { display: block; margin-bottom: 0.2rem; color: var(--dark); font-size: 0.95rem; }
.pillar p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* ===================== PRODUCT ===================== */
.product {
  position: relative; padding: 7rem 0;
  overflow: hidden;
}
.product-bg { position: absolute; inset: 0; }
.product-bg-img { width: 100%; height: 100%; object-fit: cover; }
.product-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(13,31,21,0.92), rgba(26,77,46,0.88));
}
.product .container { position: relative; z-index: 1; }

.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  margin-top: 3rem;
}

.feature-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px; overflow: hidden;
  transition: all 0.4s var(--ease);
}
.feature-card:hover {
  transform: translateY(-8px);
  background: rgba(255,255,255,0.1);
  border-color: rgba(74,173,86,0.4);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.feature-img { height: 180px; overflow: hidden; }
.feature-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.feature-card:hover .feature-img img { transform: scale(1.08); }
.feature-body { padding: 1.5rem; }
.feature-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.feature-body h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 0.6rem; }
.feature-body p { color: rgba(255,255,255,0.7); font-size: 0.9rem; line-height: 1.7; }

/* ===================== MISSION ===================== */
.mission { padding: 7rem 0; background: var(--sky); }

.audience-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  margin-top: 3rem;
}

.audience-card {
  background: var(--white); border-radius: 20px; overflow: hidden;
  box-shadow: 0 5px 30px rgba(0,0,0,0.08);
  transition: all 0.4s var(--ease);
}
.audience-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(0,0,0,0.15); }
.audience-card img {
  width: 100%; height: 200px; object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.audience-card:hover img { transform: scale(1.05); }
.audience-body { padding: 1.5rem; }
.audience-body h3 { font-size: 1rem; margin-bottom: 0.5rem; color: var(--dark); }
.audience-body p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.65; }

/* ===================== IMPACT ===================== */
.impact {
  position: relative; padding: 7rem 0;
  overflow: hidden;
}
.impact-bg { position: absolute; inset: 0; }
.impact-bg img { width: 100%; height: 100%; object-fit: cover; }
.impact-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(13,31,21,0.9), rgba(26,77,46,0.85));
}
.impact .container { position: relative; z-index: 1; }

.impact-cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  margin: 3rem 0 4rem;
}
.impact-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px; padding: 2rem;
  text-align: center;
  transition: all 0.3s var(--ease);
}
.impact-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-5px);
  border-color: rgba(74,173,86,0.5);
}
.impact-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.impact-num {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 900;
  color: var(--white); line-height: 1;
}
.impact-unit { color: var(--green-bright); font-size: 0.85rem; font-weight: 600; margin: 0.4rem 0 0.8rem; text-transform: uppercase; letter-spacing: 0; }
.impact-desc { color: rgba(255,255,255,0.6); font-size: 0.85rem; line-height: 1.5; }

/* TREES SECTION */
.trees-section { margin-top: 2rem; }
.trees-title {
  font-family: var(--font-display); font-size: 1.8rem;
  color: var(--white); margin-bottom: 2rem; text-align: center;
}
.trees-list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem;
}
.tree-item {
  display: flex; gap: 1.2rem;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px; overflow: hidden;
  transition: all 0.3s var(--ease);
}
.tree-item:hover { background: rgba(255,255,255,0.12); transform: translateX(5px); }
.tree-item img { width: 100px; height: 100px; object-fit: cover; flex-shrink: 0; }
.tree-info { padding: 1rem; }
.tree-info strong { display: block; color: var(--white); margin-bottom: 0.3rem; font-size: 0.95rem; }
.tree-info p { color: rgba(255,255,255,0.65); font-size: 0.82rem; line-height: 1.5; margin-bottom: 0.5rem; }
.tree-tag {
  display: inline-block;
  background: rgba(74,173,86,0.2);
  color: var(--green-bright);
  font-size: 0.72rem; padding: 2px 8px; border-radius: 99px;
  font-family: var(--font-mono);
}

/* ===================== DONATE ===================== */
.donate { padding: 7rem 0; background: var(--white); }

.donate-header { text-align: center; margin-bottom: 4rem; }
.donate-header .section-label { margin-left: auto; margin-right: auto; }

/* PROGRESS */
.progress-section {
  background: linear-gradient(135deg, var(--green-deep), var(--dark-mid));
  border-radius: 24px; padding: 2.5rem;
  margin-bottom: 3rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.progress-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 1.5rem;
}
.progress-raised {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 900; color: var(--white);
  display: block;
}
.progress-goal { color: rgba(255,255,255,0.6); font-size: 0.85rem; }
.progress-pct {
  font-family: var(--font-mono);
  font-size: 2rem; font-weight: 700;
  color: var(--green-bright);
}
.progress-bar {
  height: 16px; background: rgba(255,255,255,0.1);
  border-radius: 99px; overflow: hidden; margin-bottom: 1.5rem;
}
.progress-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--green-mid), var(--green-bright), #a8e6b0);
  border-radius: 99px;
  transition: width 2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
}
.progress-pulse {
  position: absolute; right: -5px; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.3);
  animation: pulseBall 1.5s infinite;
}
@keyframes pulseBall {
  0%,100% { box-shadow: 0 0 0 4px rgba(255,255,255,0.3); }
  50% { box-shadow: 0 0 0 8px rgba(255,255,255,0.1); }
}
.progress-milestones {
  display: flex; gap: 2rem;
}
.milestone {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.8rem; color: rgba(255,255,255,0.5);
}
.milestone.done { color: var(--green-bright); }
.milestone.active { color: var(--white); }
.ms-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  flex-shrink: 0;
}
.ms-dot.done { background: var(--green-bright); }
.ms-dot.active { background: var(--white); animation: pulse 2s infinite; }

/* CUSTOM DONATE */
.custom-donate {
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  background: var(--sky);
  border: 1px solid #d4ead8;
  border-radius: 20px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.custom-donate h3 {
  color: var(--dark);
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}
.custom-donate p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.custom-donate-form {
  display: grid;
  grid-template-columns: minmax(140px, 180px) minmax(210px, 1fr);
  gap: 0.7rem;
  align-items: center;
  min-width: min(100%, 460px);
}
.custom-donate-form input {
  width: 100%;
  height: 44px;
  border: 1px solid #c0d8c6;
  border-radius: 10px;
  padding: 0 0.9rem;
  color: var(--dark);
  font: 600 0.95rem var(--font-body);
  background: var(--white);
}
.custom-donate-form input:focus {
  outline: 2px solid rgba(74,173,86,0.35);
  border-color: var(--green-bright);
}
.custom-error {
  grid-column: 1 / -1;
  min-height: 1.2rem;
  color: #b42318;
  font-size: 0.8rem;
}

/* DONATE CARDS */
.donate-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  margin-bottom: 3rem;
}
.donate-card {
  border-radius: 20px; overflow: hidden;
  border: 1px solid #e8f0eb;
  transition: all 0.4s var(--ease);
  position: relative;
}
.donate-card:hover { transform: translateY(-8px); box-shadow: 0 25px 70px rgba(0,0,0,0.12); }
.donate-card img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.5s; }
.donate-card:hover img { transform: scale(1.05); }
.donate-card.featured {
  border-color: var(--green-bright);
  box-shadow: 0 10px 40px rgba(74,173,86,0.2);
}
.donate-body { padding: 1.5rem; }
.donate-amount {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 900;
  color: var(--green-mid); margin-bottom: 0.5rem;
}
.donate-body h3 { font-size: 1.05rem; margin-bottom: 0.6rem; color: var(--dark); }
.donate-body p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 1.2rem; line-height: 1.6; }

.btn-donate {
  display: block; width: 100%;
  padding: 0.8rem; border-radius: 10px;
  background: var(--sky);
  color: var(--green-deep); font-weight: 600; font-size: 0.9rem;
  border: none; cursor: pointer;
  transition: all 0.3s;
}
.btn-donate:hover { background: var(--green-pale); transform: translateY(-2px); }
.featured-btn { background: var(--green-bright) !important; color: var(--white) !important; }
.featured-btn:hover { background: var(--green-mid) !important; }

/* BANK INFO */
.bank-info { margin-bottom: 2.5rem; }
.bank-card {
  background: var(--sky);
  border-radius: 20px; padding: 2rem;
  display: flex; gap: 2rem; align-items: center;
  border: 1px solid #d4ead8;
  flex-wrap: wrap;
}
.bank-logo { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }
.bank-icon { font-size: 2.5rem; }
.bank-logo strong { display: block; font-size: 1.1rem; color: var(--dark); }
.bank-logo small { color: var(--text-muted); font-size: 0.8rem; }
.bank-details { flex: 1; display: flex; flex-direction: column; gap: 0.7rem; }
.bank-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.bank-row span { color: var(--text-muted); font-size: 0.85rem; min-width: 100px; }
.bank-row strong { color: var(--dark); font-size: 0.95rem; font-family: var(--font-mono); }
.copy-btn {
  background: none; border: 1px solid #c0d8c6;
  padding: 2px 8px; border-radius: 6px; cursor: pointer;
  font-size: 0.9rem; transition: all 0.2s;
}
.copy-btn:hover { background: var(--green-pale); }
.bank-qr { flex-shrink: 0; text-align: center; }
.qr-placeholder {
  width: 80px; height: 80px;
  border: 2px solid var(--green-mid); border-radius: 12px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.3rem;
}
.qr-grid {
  display: grid; grid-template-columns: repeat(5, 6px); gap: 1px;
}
.qr-placeholder small { font-size: 0.65rem; color: var(--text-muted); font-family: var(--font-mono); }

/* DONORS TICKER */
.donors-ticker {
  background: var(--green-deep); border-radius: 16px;
  padding: 1rem 1.5rem;
  display: flex; align-items: center; gap: 1rem; overflow: hidden;
}
.donors-label { color: var(--green-bright); font-size: 0.85rem; white-space: nowrap; font-weight: 600; }
.donors-scroll {
  display: flex; gap: 3rem; white-space: nowrap;
  animation: tickerMove 20s linear infinite;
  color: rgba(255,255,255,0.75); font-size: 0.85rem;
}

/* ===================== FOOTER ===================== */
.footer {
  position: relative; padding: 6rem 0 2rem;
  overflow: hidden;
}
.footer-bg { position: absolute; inset: 0; }
.footer-bg img { width: 100%; height: 100%; object-fit: cover; }
.footer-overlay {
  position: absolute; inset: 0;
  background: rgba(10, 26, 15, 0.94);
}
.footer .container { position: relative; z-index: 1; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem;
  padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 2rem;
}
.footer-logo {
  display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1rem;
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 900;
  color: var(--white);
}
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: 0.7rem; }
.social-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8); font-size: 0.7rem; font-weight: 700;
  transition: all 0.3s;
}
.social-btn:hover { background: var(--green-mid); color: var(--white); transform: translateY(-3px); }
.footer-links h4, .footer-contact h4 { color: var(--white); margin-bottom: 1.2rem; font-size: 0.95rem; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.footer-links a { color: rgba(255,255,255,0.55); font-size: 0.88rem; transition: color 0.3s; }
.footer-links a:hover { color: var(--green-bright); }
.footer-contact p { color: rgba(255,255,255,0.55); font-size: 0.88rem; margin-bottom: 0.7rem; }
.footer-powered {
  margin-top: 1.5rem;
  font-size: 0.8rem; color: rgba(255,255,255,0.4);
  display: flex; align-items: center; gap: 0.5rem;
}
.footer-powered strong { color: var(--green-bright); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  color: rgba(255,255,255,0.35); font-size: 0.8rem;
}

/* ===================== MODAL ===================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white); border-radius: 24px;
  padding: 2.5rem; max-width: 460px; width: 90%;
  position: relative; text-align: center;
  transform: scale(0.9); transition: transform 0.3s var(--ease);
  box-shadow: 0 40px 100px rgba(0,0,0,0.3);
}
.modal-overlay.open .modal { transform: scale(1); }
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--sky); border: none; width: 32px; height: 32px;
  border-radius: 50%; cursor: pointer; font-size: 0.9rem; color: var(--text-muted);
  transition: all 0.2s;
}
.modal-close:hover { background: #fee; color: #c00; }
.modal-icon { font-size: 3rem; margin-bottom: 1rem; }
.modal h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--dark); }
.modal p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; line-height: 1.6; }
.modal-amount {
  font-family: var(--font-display); font-size: 2.5rem; font-weight: 900;
  color: var(--green-mid); margin-bottom: 1.5rem;
}
.modal-bank {
  background: var(--sky); border-radius: 12px; padding: 1.2rem;
  display: flex; flex-direction: column; gap: 0.7rem;
}
.modal-bank-row { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; flex-wrap: wrap; text-align: left; }
.modal-bank-row span { color: var(--text-muted); font-size: 0.85rem; }
.modal-bank-row strong { font-family: var(--font-mono); font-size: 0.85rem; color: var(--dark); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .impact-cards { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .img-secondary { right: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .trees-list { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { 
    position: fixed; top: 0; right: -100%; bottom: 0;
    width: 280px; background: rgba(13,31,21,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column; align-items: flex-start;
    padding: 5rem 2rem 2rem; gap: 0;
    transition: right 0.4s var(--ease);
    z-index: 999;
  }
  .nav-links.open { right: 0; }
  .nav-links li { width: 100%; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .nav-link { display: block; padding: 1rem 0; font-size: 1rem; }
  .nav-cta { margin: 1rem 0; }
  .nav-toggle { display: flex; z-index: 1001; }
  .lang-switcher { margin-left: auto; }
  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .hero-title { font-size: 2.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .impact-cards { grid-template-columns: repeat(2, 1fr); }
  .donate-grid { grid-template-columns: 1fr; }
  .custom-donate { flex-direction: column; align-items: stretch; }
  .custom-donate-form { grid-template-columns: 1fr; min-width: 0; }
  .about-grid { gap: 3rem; }
  .img-secondary { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .bank-card { flex-direction: column; }
  .hero-stats { gap: 1rem; }
  .stat-num { font-size: 1.8rem; }
  .section-title { font-size: 2rem; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .impact-cards { grid-template-columns: 1fr 1fr; }
  .trees-list { grid-template-columns: 1fr; }
  .progress-milestones { flex-direction: column; gap: 0.8rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .nav-container { padding: 0 1rem; }
  .lang-switcher { gap: 0.25rem; }
  .lang-switcher a { min-width: 30px; height: 28px; font-size: 0.68rem; }
  .impact-cards { grid-template-columns: 1fr; }
  .hero-content { padding: 6rem 1.5rem 3rem; }
  .container { padding: 0 1.2rem; }
  .donate-grid { grid-template-columns: 1fr; }
}
