/* =========================================================
   Zero-Tree™ Campaign — v4.0
   Modern emerald palette, asymmetric hero, real product imagery,
   3D canvas background, scroll reveals, mouse-tilt cards.
   ========================================================= */

:root {
  --zt-bg:        #F6FAF7;
  --zt-bg-2:      #EEF6F1;
  --zt-ink:       #0B1A14;
  --zt-ink-2:     #2A3A33;
  --zt-mute:      #5E7068;
  --zt-line:      rgba(11, 26, 20, 0.10);
  --zt-line-2:    rgba(11, 26, 20, 0.06);

  --zt-green:     #10B981;
  --zt-green-2:   #059669;
  --zt-green-3:   #064E3B;
  --zt-green-4:   #14B87A;
  --zt-mint:      #D1FAE5;
  --zt-leaf:      #34D399;

  --zt-amber:     #F59E0B;
  --zt-blue:      #3B82F6;

  --zt-grad:      linear-gradient(135deg, #10B981 0%, #14B87A 50%, #34D399 100%);
  --zt-grad-deep: linear-gradient(135deg, #064E3B 0%, #047857 60%, #10B981 100%);

  --zt-sans:  'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --zt-disp:  'Inter Tight', 'Inter', system-ui, sans-serif;

  --zt-radius:    16px;
  --zt-radius-sm: 10px;
  --zt-radius-lg: 24px;

  --zt-shadow-sm: 0 1px 2px rgba(11, 26, 20, 0.06), 0 1px 3px rgba(11, 26, 20, 0.04);
  --zt-shadow:    0 8px 24px -8px rgba(11, 26, 20, 0.16), 0 2px 6px rgba(11, 26, 20, 0.06);
  --zt-shadow-lg: 0 24px 48px -16px rgba(6, 78, 59, 0.22), 0 6px 16px -4px rgba(11, 26, 20, 0.08);
  --zt-shadow-glow: 0 18px 60px -10px rgba(16, 185, 129, 0.45);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body.zt {
  background: var(--zt-bg);
  color: var(--zt-ink);
  font-family: var(--zt-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }

.zt-wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 28px; }
@media (max-width: 720px) { .zt-wrap { padding: 0 20px; } }

[data-anim] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
[data-anim="fade"] { transform: none; }
[data-anim].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-anim] { opacity: 1; transform: none; transition: none; }
}
/* Safety: show content if JS fails */
@media (scripting: none) {
  [data-anim] { opacity: 1 !important; transform: none !important; }
}
/* Fallback timer: auto-reveal after 4s if JS never fires */
@keyframes ztRevealSafety { to { opacity: 1; transform: none; } }
[data-anim] { animation: ztRevealSafety 0s 4s forwards; }

/* ============== NAV ============== */
.zt-nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(246, 250, 247, 0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--zt-line-2);
}
.zt-nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 14px 28px;
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 16px;
}
.zt-nav-back {
  font-family: var(--zt-disp); font-weight: 600; font-size: 14px;
  text-decoration: none; color: var(--zt-ink); letter-spacing: -0.01em;
}
.zt-nav-back span { color: var(--zt-green-2); margin-right: 6px; }
.zt-nav-tag {
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--zt-green-3); display: inline-flex; align-items: center; gap: 8px;
  background: var(--zt-mint); padding: 6px 14px; border-radius: 999px;
  font-weight: 600; font-family: var(--zt-disp);
}
.zt-pulse {
  width: 7px; height: 7px; border-radius: 999px; background: var(--zt-green);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); animation: zt-pulse 2s infinite;
}
@keyframes zt-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  70%  { box-shadow: 0 0 0 9px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.zt-nav-end { display: flex; align-items: center; justify-content: flex-end; gap: 22px; }
.zt-nav-link { text-decoration: none; color: var(--zt-ink-2); font-size: 14px; font-weight: 500; }
.zt-nav-link:hover { color: var(--zt-green-2); }
.zt-nav-cta {
  text-decoration: none; background: var(--zt-ink); color: #fff;
  padding: 10px 18px; border-radius: 999px; font-size: 13px;
  font-weight: 600; font-family: var(--zt-disp);
  transition: transform .2s ease, background .2s ease;
}
.zt-nav-cta:hover { background: var(--zt-green-2); transform: translateY(-1px); }
@media (max-width: 860px) {
  .zt-nav-inner { grid-template-columns: 1fr auto; }
  .zt-nav-tag, .zt-nav-link { display: none; }
  .zt-nav-end { gap: 14px; }
}

/* ============== BUTTONS ============== */
.zt-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border-radius: 999px; padding: 14px 26px;
  font-family: var(--zt-disp); font-weight: 600; font-size: 15px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.zt-btn-primary { background: var(--zt-grad); color: #fff; box-shadow: var(--zt-shadow-glow); }
.zt-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 22px 70px -10px rgba(16, 185, 129, 0.55); }
.zt-btn-secondary {
  background: #fff; color: var(--zt-ink);
  border-color: var(--zt-line); box-shadow: var(--zt-shadow-sm);
}
.zt-btn-secondary:hover { border-color: var(--zt-green-2); color: var(--zt-green-3); transform: translateY(-1px); }
.zt-btn-on-green { background: #fff; color: var(--zt-green-3); }
.zt-btn-on-green:hover { transform: translateY(-2px); }
.zt-btn-sub {
  font-size: 11px; font-weight: 500; opacity: 0.85;
  border-left: 1px solid rgba(255,255,255,0.35);
  padding-left: 10px; margin-left: 2px;
}
.zt-btn-secondary .zt-btn-sub { border-left-color: var(--zt-line); opacity: 0.6; }
.zt-btn-text {
  font-family: var(--zt-disp); font-size: 14px; font-weight: 600;
  color: var(--zt-ink-2); text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px;
}
.zt-btn-text:hover { color: var(--zt-green-2); }

/* ============== HERO ============== */
.zt-hero {
  position: relative; padding: 64px 0 56px; overflow: hidden;
  background:
    radial-gradient(1200px 600px at 110% -10%, rgba(16,185,129,0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(20,184,122,0.08), transparent 60%),
    var(--zt-bg);
}
.zt-bg-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none; opacity: 0.85;
}
.zt-hero-grid {
  position: relative; z-index: 2;
  max-width: 1180px; margin: 0 auto; padding: 24px 28px 0;
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 56px; align-items: center;
}
.zt-eyebrow {
  display: inline-block;
  font-family: var(--zt-disp); font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--zt-green-2); margin-bottom: 18px;
}
.zt-eyebrow-light { color: rgba(255,255,255,0.85); }
.zt-h1 {
  font-family: var(--zt-disp); font-weight: 700;
  font-size: clamp(44px, 6vw, 72px); line-height: 1.02;
  letter-spacing: -0.035em; color: var(--zt-ink); margin: 0 0 22px;
}
.zt-h1-grad {
  background: var(--zt-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; display: inline-block;
}
.zt-lede {
  font-size: 18px; line-height: 1.55; color: var(--zt-ink-2);
  max-width: 540px; margin: 0 0 28px;
}
.zt-hero-row { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-bottom: 32px; }
.zt-trust {
  display: flex; flex-wrap: wrap; gap: 22px;
  font-size: 13px; color: var(--zt-mute);
  border-top: 1px solid var(--zt-line); padding-top: 18px; max-width: 540px;
}
.zt-trust b { color: var(--zt-green-3); font-family: var(--zt-disp); font-weight: 700; margin-right: 4px; }

.zt-hero-visual { position: relative; }
.zt-bag-stage { position: relative; aspect-ratio: 1 / 1.05; width: 100%; max-width: 520px; margin: 0 auto; }
.zt-bag-img {
  position: relative; z-index: 2; width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 50px 70px rgba(6, 78, 59, 0.28));
  will-change: transform; transition: transform 0.4s cubic-bezier(.2,.7,.2,1);
}
.zt-bag-shadow {
  position: absolute; left: 8%; right: 8%; bottom: 4%; height: 30px;
  background: radial-gradient(ellipse at center, rgba(6, 78, 59, 0.30) 0%, transparent 70%);
  filter: blur(8px); z-index: 1;
}
.zt-chip {
  position: absolute; z-index: 3;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--zt-line);
  padding: 12px 16px; border-radius: var(--zt-radius);
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--zt-shadow);
  animation: zt-float 6s ease-in-out infinite;
}
.zt-chip strong {
  display: block; font-family: var(--zt-disp); font-size: 16px;
  color: var(--zt-ink); letter-spacing: -0.01em; line-height: 1.1;
}
.zt-chip span { display: block; font-size: 12px; color: var(--zt-mute); margin-top: 2px; }
.zt-chip-dot {
  width: 9px; height: 9px; border-radius: 999px; background: var(--zt-green);
  box-shadow: 0 0 0 4px rgba(16,185,129,0.18); flex: none;
}
.zt-chip-dot-amber { background: var(--zt-amber); box-shadow: 0 0 0 4px rgba(245,158,11,0.18); }
.zt-chip-dot-blue { background: var(--zt-blue); box-shadow: 0 0 0 4px rgba(59,130,246,0.18); }
.zt-chip-1 { top: 6%; left: -4%; animation-delay: 0s; }
.zt-chip-2 { top: 38%; right: -8%; animation-delay: 2s; }
.zt-chip-3 { bottom: 8%; left: -2%; animation-delay: 4s; }
@keyframes zt-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

.zt-progress {
  position: relative; z-index: 2;
  margin: 56px auto 0; max-width: 1180px;
  padding: 24px 28px;
  background: #fff; border: 1px solid var(--zt-line);
  border-radius: var(--zt-radius-lg); box-shadow: var(--zt-shadow);
  display: grid; grid-template-columns: repeat(4, 1fr) 1.4fr;
  gap: 24px; align-items: center;
}
.zt-prog-cell {
  display: flex; flex-direction: column; gap: 4px;
  border-right: 1px solid var(--zt-line-2); padding-right: 24px;
}
.zt-prog-cell:nth-child(4) { border-right: none; }
.zt-prog-num {
  font-family: var(--zt-disp); font-weight: 700; font-size: 26px;
  color: var(--zt-ink); letter-spacing: -0.02em;
}
.zt-prog-lab { font-size: 12px; color: var(--zt-mute); letter-spacing: 0.02em; }
.zt-prog-bar { display: flex; flex-direction: column; gap: 8px; }
.zt-prog-bar-track {
  height: 8px; background: var(--zt-bg-2);
  border-radius: 999px; overflow: hidden; position: relative;
}
.zt-prog-bar-fill {
  height: 100%; width: var(--prog, 0%); background: var(--zt-grad);
  border-radius: 999px;
  transition: width 1.6s cubic-bezier(.2,.7,.2,1); position: relative;
}
.zt-prog-bar-fill::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  animation: zt-shimmer 2.4s linear infinite;
}
@keyframes zt-shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.zt-prog-bar span {
  font-size: 11px; color: var(--zt-mute);
  letter-spacing: 0.04em; text-transform: uppercase;
  font-family: var(--zt-disp); font-weight: 600;
}

@media (max-width: 980px) {
  .zt-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .zt-hero-visual { order: -1; }
  .zt-bag-stage { max-width: 360px; }
  .zt-progress { grid-template-columns: repeat(2, 1fr); }
  .zt-prog-cell { border-right: none; padding-right: 0; }
  .zt-prog-bar { grid-column: 1 / -1; }
}
@media (max-width: 540px) {
  .zt-hero { padding: 40px 0; }
  .zt-chip { padding: 9px 12px; gap: 9px; }
  .zt-chip strong { font-size: 14px; }
  .zt-chip span { font-size: 11px; }
  .zt-chip-1 { left: -2%; } .zt-chip-2 { right: -2%; }
  .zt-progress { padding: 18px; gap: 16px; }
  .zt-prog-num { font-size: 22px; }
}

/* ============== MARQUEE ============== */
.zt-marquee {
  background: var(--zt-ink); color: #fff; overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.zt-marquee-track {
  display: inline-flex; align-items: center; gap: 28px; white-space: nowrap;
  padding: 18px 0;
  font-family: var(--zt-disp); font-weight: 600; font-size: 14px;
  letter-spacing: 0.04em; text-transform: uppercase;
  animation: zt-marquee 36s linear infinite;
}
.zt-marquee-track i { width: 6px; height: 6px; border-radius: 999px; background: var(--zt-green); display: inline-block; }
@keyframes zt-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============== HEADERS ============== */
.zt-head { margin-bottom: 44px; max-width: 720px; }
.zt-head-tight { margin-bottom: 18px; }
.zt-h2 {
  font-family: var(--zt-disp); font-weight: 700;
  font-size: clamp(32px, 4vw, 44px); line-height: 1.05;
  letter-spacing: -0.03em; color: var(--zt-ink); margin: 0;
}
.zt-h3 {
  font-family: var(--zt-disp); font-weight: 700; font-size: 22px;
  letter-spacing: -0.02em; margin: 0; color: var(--zt-ink);
}
.zt-sub { margin: 14px 0 0; color: var(--zt-mute); font-size: 16px; max-width: 560px; }

/* ============== HOW IT WORKS ============== */
.zt-how { padding: 96px 0; }
.zt-steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.zt-step {
  background: #fff; border: 1px solid var(--zt-line);
  border-radius: var(--zt-radius-lg); padding: 32px 28px;
  position: relative; box-shadow: var(--zt-shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.zt-step:hover {
  transform: translateY(-3px);
  border-color: rgba(16,185,129,0.4);
  box-shadow: var(--zt-shadow);
}
.zt-step-vis {
  width: 56px; height: 56px;
  border-radius: var(--zt-radius);
  background: var(--zt-mint); color: var(--zt-green-3);
  display: grid; place-items: center; margin-bottom: 18px;
}
.zt-step-vis svg { width: 32px; height: 32px; }
.zt-step-num {
  position: absolute; top: 24px; right: 28px;
  font-family: var(--zt-disp); font-weight: 700; font-size: 13px;
  color: var(--zt-mute); letter-spacing: 0.04em;
}
.zt-step h3 {
  font-family: var(--zt-disp); font-weight: 700; font-size: 19px;
  letter-spacing: -0.015em; margin: 0 0 8px;
}
.zt-step p { margin: 0; color: var(--zt-mute); font-size: 14.5px; line-height: 1.55; }
@media (max-width: 860px) {
  .zt-how { padding: 64px 0; }
  .zt-steps { grid-template-columns: 1fr; }
}

/* ============== SHOWCASE ============== */
.zt-showcase { padding: 0 0 96px; }
.zt-showcase-inner {
  position: relative; max-width: 1280px; margin: 0 auto;
  border-radius: var(--zt-radius-lg);
  overflow: hidden; box-shadow: var(--zt-shadow-lg);
}
.zt-showcase-inner img {
  width: 100%; height: clamp(300px, 50vw, 520px);
  object-fit: cover; display: block;
}
.zt-showcase-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 48px;
  background: linear-gradient(180deg, transparent 30%, rgba(6, 78, 59, 0.92) 100%);
  color: #fff;
}
.zt-showcase-overlay h3 {
  font-family: var(--zt-disp); font-weight: 700;
  font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.02em;
  margin: 0 0 10px; max-width: 640px;
}
.zt-showcase-overlay p {
  margin: 0; color: rgba(255,255,255,0.86);
  font-size: 16px; max-width: 640px;
}
@media (max-width: 720px) {
  .zt-showcase { padding: 0 20px 64px; }
  .zt-showcase-overlay { padding: 28px; }
}

.zt-showcase-quad .zt-quad {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  aspect-ratio: 16/9;
  border-radius: var(--zt-radius-lg);
  overflow: hidden;
}
.zt-showcase-quad .zt-quad figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: #000;
}
.zt-showcase-quad .zt-quad img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}
.zt-showcase-quad .zt-quad figure:hover img { transform: scale(1.06); }
.zt-showcase-quad .zt-quad figcaption {
  position: absolute;
  left: 14px; bottom: 12px;
  color: #fff;
  font-family: var(--zt-disp);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  z-index: 2;
}
.zt-showcase-quad .zt-quad figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
  z-index: 1;
}
@media (max-width: 640px) {
  .zt-showcase-quad .zt-quad { aspect-ratio: 1/1; }
}

/* ============== CAUSES ============== */
.zt-causes { padding: 96px 0; background: var(--zt-bg-2); }
.zt-cause-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.zt-cause {
  background: #fff; border: 1px solid var(--zt-line);
  border-radius: var(--zt-radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  will-change: transform;
}
.zt-cause:hover {
  border-color: rgba(16,185,129,0.4);
  box-shadow: var(--zt-shadow-lg);
}
.zt-cause-art {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 14px 14px 0 0;
  background: var(--zt-bg-2);
}
.zt-cause-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(.2,.7,.2,1);
}
.zt-cause:hover .zt-cause-art img {
  transform: scale(1.05);
}
.zt-cause-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11,26,20,0.35) 100%);
  pointer-events: none;
}

.zt-cause-body { padding: 22px 22px 26px; }
.zt-cause-tag {
  display: block; font-family: var(--zt-disp); font-size: 11px;
  font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--zt-green-2); margin-bottom: 8px;
}
.zt-cause h4 {
  font-family: var(--zt-disp); font-weight: 700; font-size: 19px;
  letter-spacing: -0.015em; margin: 0 0 8px;
}
.zt-cause p { margin: 0; color: var(--zt-mute); font-size: 14px; line-height: 1.55; }
@media (max-width: 980px) { .zt-cause-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .zt-cause-grid { grid-template-columns: 1fr; } }

/* ============== TIERS ============== */
.zt-tiers { padding: 96px 0; }
.zt-tier-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 22px; align-items: stretch;
}
.zt-card {
  background: #fff; border: 1px solid var(--zt-line);
  border-radius: var(--zt-radius-lg); padding: 32px 30px;
  display: flex; flex-direction: column; position: relative;
  transition: transform .4s cubic-bezier(.2,.7,.2,1), box-shadow .4s ease, border-color .3s ease;
  will-change: transform; transform-style: preserve-3d;
  box-shadow: var(--zt-shadow-sm);
}
.zt-card:hover {
  border-color: rgba(16,185,129,0.45);
  box-shadow: var(--zt-shadow-lg);
}
.zt-card-on {
  border-color: var(--zt-green-2);
  box-shadow: var(--zt-shadow-glow);
  background: linear-gradient(180deg, #fff 0%, #F3FBF7 100%);
}
.zt-card-flag {
  position: absolute; top: -12px; left: 30px;
  background: var(--zt-grad); color: #fff;
  font-family: var(--zt-disp); font-weight: 600; font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
  box-shadow: var(--zt-shadow);
}
.zt-card-head {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--zt-line-2);
  margin-bottom: 22px;
}
.zt-card-name {
  font-family: var(--zt-disp); font-weight: 700; font-size: 18px;
  margin: 0 0 10px; color: var(--zt-green-2);
  letter-spacing: 0.02em; text-transform: uppercase;
}
.zt-card-price {
  font-family: var(--zt-disp); font-weight: 700;
  font-size: 44px; letter-spacing: -0.03em; line-height: 1;
  color: var(--zt-ink); margin-bottom: 6px;
}
.zt-card-note { font-size: 13px; color: var(--zt-mute); }
.zt-card-list {
  list-style: none; margin: 0 0 28px; padding: 0;
  flex: 1; display: flex; flex-direction: column; gap: 12px;
}
.zt-card-list li {
  position: relative; padding-left: 24px;
  font-size: 14.5px; line-height: 1.5; color: var(--zt-ink-2);
}
.zt-card-list li::before {
  content: ''; position: absolute; left: 0; top: 4px;
  width: 16px; height: 16px; border-radius: 999px;
  background: var(--zt-mint);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14' fill='none'><path d='M3 7.5 L6 10 L11 4.5' stroke='%23059669' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 12px 12px;
}
.zt-card-cta { width: 100%; }
.zt-tier-foot {
  text-align: center; margin: 36px 0 0;
  color: var(--zt-mute); font-size: 14px;
}
.zt-tier-foot a { color: var(--zt-green-2); font-weight: 600; text-decoration: none; }
.zt-tier-foot a:hover { color: var(--zt-green-3); }
@media (max-width: 980px) { .zt-tier-grid { grid-template-columns: 1fr; } }

/* ============== WHY / FACTS ============== */
.zt-why { padding: 96px 0; background: var(--zt-ink); color: #fff; }
.zt-why .zt-h2 { color: #fff; }
.zt-why .zt-eyebrow { color: var(--zt-leaf); }
.zt-facts {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border-top: 1px solid rgba(255,255,255,0.10);
}
.zt-fact {
  padding: 36px 30px;
  border-right: 1px solid rgba(255,255,255,0.10);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.zt-fact:nth-child(3n) { border-right: none; }
.zt-fact:nth-last-child(-n+3) { border-bottom: none; }
.zt-fact-num {
  font-family: var(--zt-disp); font-weight: 700;
  font-size: 56px; letter-spacing: -0.04em; line-height: 1;
  background: var(--zt-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; margin-bottom: 12px;
}
.zt-fact-lab { color: rgba(255,255,255,0.7); font-size: 15px; line-height: 1.45; }
@media (max-width: 860px) {
  .zt-facts { grid-template-columns: repeat(2, 1fr); }
  .zt-fact:nth-child(3n) { border-right: 1px solid rgba(255,255,255,0.10); }
  .zt-fact:nth-child(2n) { border-right: none; }
  .zt-fact:nth-last-child(-n+3) { border-bottom: 1px solid rgba(255,255,255,0.10); }
  .zt-fact:nth-last-child(-n+2) { border-bottom: none; }
}

/* ============== DONORS ============== */
.zt-donors { padding: 96px 0; }
.zt-donors-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.zt-feed, .zt-lb {
  background: #fff; border: 1px solid var(--zt-line);
  border-radius: var(--zt-radius-lg);
  padding: 18px 22px; list-style: none; margin: 0; min-height: 240px;
}
#zt-feed > div, #zt-lb > li {
  color: var(--zt-mute) !important;
  background: transparent !important;
}
#zt-feed > div span { color: var(--zt-mute) !important; }
.zt-lb-tabs {
  display: inline-flex; gap: 4px; margin: 0 0 14px;
  background: var(--zt-bg-2); border-radius: 999px; padding: 4px;
}
.zt-lb-tab {
  border: 0; background: transparent;
  font-family: var(--zt-disp); font-weight: 600; font-size: 13px;
  color: var(--zt-mute); padding: 8px 16px; border-radius: 999px;
}
.zt-lb-tab.is-active { background: #fff; color: var(--zt-ink); box-shadow: var(--zt-shadow-sm); }
@media (max-width: 860px) { .zt-donors-grid { grid-template-columns: 1fr; gap: 36px; } }

/* ============== FAQ ============== */
.zt-faq { padding: 96px 0; background: var(--zt-bg-2); }
.zt-faq-list {
  background: #fff; border: 1px solid var(--zt-line);
  border-radius: var(--zt-radius-lg); overflow: hidden;
}
.zt-faq-i { border-bottom: 1px solid var(--zt-line-2); }
.zt-faq-i:last-child { border-bottom: none; }
.zt-faq-i summary {
  list-style: none; cursor: pointer; padding: 22px 26px;
  font-family: var(--zt-disp); font-weight: 600; font-size: 16.5px;
  color: var(--zt-ink); letter-spacing: -0.01em;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.zt-faq-i summary::-webkit-details-marker { display: none; }
.zt-x { width: 20px; height: 20px; position: relative; flex: none; transition: transform .3s ease; }
.zt-x::before, .zt-x::after {
  content: ''; position: absolute;
  background: var(--zt-green-2); border-radius: 2px;
  top: 50%; left: 50%;
}
.zt-x::before { width: 12px; height: 2px; transform: translate(-50%, -50%); }
.zt-x::after { width: 2px; height: 12px; transform: translate(-50%, -50%); }
.zt-faq-i[open] .zt-x { transform: rotate(45deg); }
.zt-faq-i[open] .zt-x::before, .zt-faq-i[open] .zt-x::after { background: var(--zt-mute); }
.zt-faq-i div { padding: 0 26px 22px; color: var(--zt-mute); font-size: 15px; line-height: 1.6; }
.zt-faq-i div p { margin: 0; }
.zt-faq-i a { color: var(--zt-green-2); }

/* ============== FINAL CTA ============== */
.zt-final { padding: 0 0 96px; }
.zt-final-card {
  background: var(--zt-grad-deep); color: #fff;
  border-radius: var(--zt-radius-lg); padding: 48px;
  display: grid; grid-template-columns: 1fr auto; gap: 32px;
  align-items: center; box-shadow: var(--zt-shadow-lg);
  position: relative; overflow: hidden;
}
.zt-final-card::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(52,211,153,0.35), transparent 70%),
    radial-gradient(500px 250px at 0% 100%, rgba(20,184,122,0.30), transparent 70%);
  pointer-events: none;
}
.zt-final-card > * { position: relative; z-index: 2; }
.zt-final-h {
  font-family: var(--zt-disp); font-weight: 700;
  font-size: clamp(26px, 3vw, 36px); letter-spacing: -0.02em; margin: 0 0 10px;
}
.zt-final-p { margin: 0; color: rgba(255,255,255,0.85); font-size: 16px; }
@media (max-width: 720px) {
  .zt-final-card { grid-template-columns: 1fr; padding: 32px; text-align: left; }
}

/* ============== FOOTER ============== */
.zt-foot { padding: 56px 0 36px; border-top: 1px solid var(--zt-line); background: #fff; }
.zt-foot-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap; margin-bottom: 24px;
}
.zt-foot-mark { font-family: var(--zt-disp); font-weight: 700; color: var(--zt-ink); }
.zt-foot-links { display: flex; flex-wrap: wrap; gap: 22px; }
.zt-foot-links a { text-decoration: none; color: var(--zt-mute); font-size: 14px; }
.zt-foot-links a:hover { color: var(--zt-green-2); }
.zt-foot-bot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 12px; color: var(--zt-mute);
  border-top: 1px solid var(--zt-line-2); padding-top: 18px;
}
.zt-foot-bot a { color: var(--zt-mute); }
.zt-foot-bot a:hover { color: var(--zt-green-2); }

/* ============== MODAL ============== */
.zt-modal {
  position: fixed; inset: 0; z-index: 100;
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
}
.zt-modal.is-open { opacity: 1; pointer-events: auto; }
.zt-modal-bg {
  position: absolute; inset: 0;
  background: rgba(11, 26, 20, 0.65);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.zt-modal-panel {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -48%) scale(0.98);
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow: auto; background: #fff;
  border-radius: var(--zt-radius-lg);
  padding: 44px 48px 40px;
  box-shadow: 0 40px 120px -20px rgba(6, 78, 59, 0.45);
  transition: transform .3s cubic-bezier(.2,.7,.2,1);
}
.zt-modal.is-open .zt-modal-panel { transform: translate(-50%, -50%) scale(1); }
.zt-modal-x {
  position: absolute; top: 14px; right: 18px;
  width: 36px; height: 36px;
  border: 0; border-radius: 999px;
  background: var(--zt-bg-2); color: var(--zt-ink);
  font-size: 20px; line-height: 1;
}
.zt-modal-x:hover { background: var(--zt-mint); color: var(--zt-green-3); }
.zt-modal-head { margin-bottom: 24px; }
.zt-modal-head h3 {
  font-family: var(--zt-disp); font-weight: 700;
  font-size: 26px; letter-spacing: -0.02em; margin: 6px 0 6px;
}
.zt-modal-sub { margin: 0; color: var(--zt-mute); font-size: 14px; }

.zt-form { display: flex; flex-direction: column; gap: 24px; }
.zt-fs { border: 0; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.zt-fs legend {
  font-family: var(--zt-disp); font-weight: 600; font-size: 13px;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--zt-green-2); margin-bottom: 6px; padding: 0;
}
.zt-field { display: flex; flex-direction: column; gap: 6px; }
.zt-field label { font-size: 12px; color: var(--zt-mute); font-weight: 500; }
.zt-field input, .zt-field textarea {
  font: inherit; border: 1px solid var(--zt-line); background: #fff;
  border-radius: 10px; padding: 11px 14px;
  color: var(--zt-ink); outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.zt-field input:focus, .zt-field textarea:focus {
  border-color: var(--zt-green-2);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.18);
}
.zt-field-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 600px) { .zt-field-row { grid-template-columns: 1fr; } }
.zt-check {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--zt-ink-2); cursor: pointer;
}
.zt-gift-fields { display: grid; gap: 10px; margin-top: 6px; }
.zt-radio-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.zt-radio { position: relative; }
.zt-radio input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.zt-radio span {
  display: block; text-align: center;
  border: 1px solid var(--zt-line); border-radius: 10px;
  padding: 12px; font-size: 14px; color: var(--zt-ink-2);
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.zt-radio input:checked + span {
  border-color: var(--zt-green-2);
  background: var(--zt-mint);
  color: var(--zt-green-3);
  font-weight: 600;
}
.zt-opt {
  color: var(--zt-mute); font-weight: 400;
  text-transform: none; letter-spacing: 0; font-size: 12px;
}
.zt-form-go { width: 100%; padding: 16px 24px; }
.zt-form-foot { text-align: center; margin: 0; color: var(--zt-mute); font-size: 12px; }
.zt-form-error {
  background: #FEF2F2; color: #B91C1C;
  border: 1px solid #FECACA; border-radius: 10px;
  padding: 12px 14px; font-size: 14px; margin: 0;
}
@media (max-width: 540px) {
  .zt-modal-panel { padding: 28px 22px 24px; }
  .zt-modal-head h3 { font-size: 22px; }
}

/* ========== WIDE MODAL + EMBEDDED CHECKOUT ========== */
.zt-modal-panel.zt-modal-wide {
  width: min(980px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 40px 44px 36px;
}
.zt-step[hidden] { display: none; }
.zt-pay-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 36px;
  margin-top: 24px;
  align-items: start;
}
.zt-pay-left { display: flex; flex-direction: column; gap: 20px; }
.zt-pay-right { min-height: 420px; }
.zt-pay-foot {
  font-size: 12px;
  color: var(--zt-mute);
  margin: 4px 0 0;
  line-height: 1.5;
}
.zt-checkout-mount {
  border: 1px solid var(--zt-line);
  border-radius: 12px;
  padding: 8px;
  background: #fff;
  min-height: 420px;
  position: relative;
}
.zt-checkout-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--zt-mute);
  font-size: 14px;
  text-align: center;
  padding: 20px;
}
.zt-checkout-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--zt-line);
  border-top-color: var(--zt-green-2);
  border-radius: 50%;
  animation: ztspin 0.8s linear infinite;
}
@keyframes ztspin { to { transform: rotate(360deg); } }

/* Success step */
.zt-modal-head-success {
  text-align: center;
  padding: 20px 0 8px;
}
.zt-success-check {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--zt-mint);
  color: var(--zt-green-3);
  font-size: 32px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  animation: ztpop 0.4s cubic-bezier(.2,.9,.3,1.3);
}
@keyframes ztpop {
  0% { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
.zt-form-slim { display: flex; flex-direction: column; gap: 16px; margin-top: 8px; }
.zt-shoutout-intro {
  margin: 0 0 4px;
  font-size: 15px;
  color: var(--zt-ink-2);
  text-align: center;
}
.zt-shoutout-intro strong { color: var(--zt-ink); }
.zt-thanks-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  flex-wrap: wrap;
}
.zt-form-success {
  background: var(--zt-mint);
  color: var(--zt-green-3);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  margin: 0;
  text-align: center;
  font-weight: 600;
}

/* Mobile: stack the grid */
@media (max-width: 780px) {
  .zt-pay-grid { grid-template-columns: 1fr; gap: 24px; }
  .zt-modal-panel.zt-modal-wide { padding: 28px 22px 24px; }
  .zt-pay-right { min-height: 380px; }
}