:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --panel-strong: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --line: rgba(255,255,255,.14);
  --accent: #77ffcc;
  --accent2: #7aa7ff;
  --danger: #ff6b6b;

  --radius: 18px;
  --shadow: 0 20px 50px rgba(0,0,0,.35);
  --container: 1120px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 15% 15%, rgba(122,167,255,.22), transparent 55%),
    radial-gradient(900px 600px at 85% 25%, rgba(119,255,204,.16), transparent 55%),
    radial-gradient(1000px 800px at 50% 95%, rgba(255,255,255,.06), transparent 55%),
    var(--bg);
  line-height: 1.5;
}

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

.container{
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top: 0;
  background: #fff;
  color: #000;
  padding: .75rem 1rem;
  border-radius: 10px;
  z-index: 999;
}
.skip-link:focus{ left: 1rem; top: 1rem; }

.sr-only{
  position:absolute;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0);
  white-space:nowrap; border:0;
}

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11,18,32,.55);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: .75rem;
}
.brand-mark{
  width: 44px; height: 44px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(119,255,204,.22), rgba(122,167,255,.22));
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
  font-weight: 800;
  letter-spacing: .02em;
}
.brand-text strong{
  display:block;
  font-size: 1.02rem;
  line-height: 1.1;
}
.brand-text span{
  display:block;
  font-size: .86rem;
  color: var(--muted);
}

.nav{
  display:flex;
  align-items:center;
  gap: .5rem;
}
.nav-links{
  display:flex;
  gap: 1rem;
  align-items:center;
}
.nav-links a{
  color: var(--muted);
  font-weight: 600;
  font-size: .95rem;
  padding: .45rem .55rem;
  border-radius: 10px;
}
.nav-links a:hover{
  color: var(--text);
  background: rgba(255,255,255,.06);
  text-decoration: none;
}

.nav-toggle{
  display:none;
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text);
}
.nav-toggle-lines{
  display:block;
  width: 18px;
  height: 12px;
  margin: 0 auto;
  position: relative;
}
.nav-toggle-lines::before,
.nav-toggle-lines::after,
.nav-toggle-lines{
  background: transparent;
}
.nav-toggle-lines::before,
.nav-toggle-lines::after{
  content:"";
  position:absolute;
  left:0;
  width: 18px;
  height: 2px;
  background: rgba(255,255,255,.85);
  border-radius: 2px;
}
.nav-toggle-lines::before{ top: 1px; }
.nav-toggle-lines::after{ bottom: 1px; }

.header-cta{
  display:flex;
  gap: .6rem;
  align-items:center;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding: .75rem 1rem;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 750;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
  text-decoration: none;
  user-select:none;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{
  background: linear-gradient(135deg, rgba(119,255,204,.18), rgba(122,167,255,.18));
  border-color: rgba(255,255,255,.18);
  color: var(--text);
  box-shadow: 0 16px 40px rgba(0,0,0,.25);
}
.btn-primary:hover{
  background: linear-gradient(135deg, rgba(119,255,204,.22), rgba(122,167,255,.22));
  text-decoration:none;
}
.btn-ghost{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
  color: var(--text);
}
.btn-ghost:hover{
  background: rgba(255,255,255,.09);
  text-decoration:none;
}
.btn-link{
  background: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
  color: var(--muted);
  font-weight: 700;
}
.btn-link:hover{
  color: var(--text);
  text-decoration: underline;
}

/* Layout */
.section{
  padding: 4.2rem 0;
}
.section.alt{
  background: rgba(255,255,255,.03);
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.section-head{
  max-width: 720px;
  margin-bottom: 2rem;
}
.section-head h2{
  margin: 0 0 .6rem;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}
.section-head p{
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.card{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.card-title{
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.feature{
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding: 1.2rem;
}
.feature h3{ margin: 0 0 .5rem; }
.feature p{ margin: 0; color: var(--muted); }

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

.list{
  padding-left: 1.1rem;
  margin: .8rem 0 0;
  color: var(--muted);
}
.list li{ margin: .4rem 0; }

/* Hero */
.hero{
  position: relative;
  padding: 4.8rem 0 3.6rem;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1.6rem;
  align-items: start;
}
.eyebrow{
  display:inline-block;
  color: rgba(255,255,255,.75);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  padding: .35rem .6rem;
  border-radius: 999px;
  font-weight: 700;
  margin: 0 0 1rem;
}
.hero h1{
  margin: 0 0 .75rem;
  font-size: clamp(2.1rem, 4.2vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.lead{
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 58ch;
}
.hero-actions{
  display:flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.hero-points{
  list-style:none;
  padding:0;
  margin: 0;
  display:grid;
  gap: .6rem;
}
.hero-points li{
  display:flex;
  gap: .6rem;
  align-items:flex-start;
  color: var(--muted);
  font-weight: 650;
}
.tick{
  width: 24px; height: 24px;
  border-radius: 10px;
  display:grid; place-items:center;
  background: rgba(119,255,204,.12);
  border: 1px solid rgba(119,255,204,.22);
  color: rgba(255,255,255,.92);
  flex: 0 0 auto;
}

/* Hero card */
.hero-card .card{
  position: sticky;
  top: 90px;
}
.impact-meters{
  display:grid;
  gap: .95rem;
  margin: 1.1rem 0 .9rem;
}
.meter-top{
  display:flex;
  align-items:center;
  justify-content: space-between;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: .35rem;
}
.bar{
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  overflow:hidden;
}
.bar-fill{
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(119,255,204,.7), rgba(122,167,255,.7));
  transition: width 900ms ease;
}
.card-actions{
  display:flex;
  gap: .8rem;
  align-items:center;
  margin-top: .9rem;
  flex-wrap: wrap;
}
.oscr{
  margin: 1rem 0 0;
  font-size: .95rem;
  color: rgba(255,255,255,.78);
  border-top: 1px solid rgba(255,255,255,.10);
  padding-top: .8rem;
}

.hero-wave{
  position:absolute;
  inset: auto -10% -120px -10%;
  height: 240px;
  background: radial-gradient(closest-side at 50% 30%, rgba(122,167,255,.25), transparent 70%);
  filter: blur(2px);
}

/* Callout */
.callout{
  margin-top: 1.6rem;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}

/* Impact */
.impact-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}
.impact-stat{
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding: 1.2rem;
}
.stat-number{
  margin: 0;
  font-size: 2rem;
  font-weight: 850;
  letter-spacing: -0.02em;
}
.stat-label{
  margin: .25rem 0 0;
  color: var(--muted);
}

/* Accordion */
.accordion{
  display:grid;
  gap: .7rem;
  margin-top: 1rem;
}
.accordion-btn{
  width: 100%;
  text-align:left;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  color: var(--text);
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  font-weight: 800;
  display:flex;
  justify-content: space-between;
  align-items:center;
  cursor:pointer;
}
.chev{
  transform: rotate(0deg);
  transition: transform .15s ease;
  font-size: 1.4rem;
  opacity: .8;
}
.accordion-btn[aria-expanded="true"] .chev{
  transform: rotate(90deg);
}
.accordion-panel{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  color: var(--muted);
}

/* Donation calc */
.donation-calculator{
  margin-top: 1.3rem;
}
.calc-head h3{ margin: 0 0 .3rem; }
.calc-head p{ margin: 0; }
.calc-controls{
  display:grid;
  grid-template-columns: 1fr .9fr;
  gap: 1rem;
  align-items:center;
  margin-top: 1rem;
}
.field{
  display:grid;
  gap: .35rem;
}
.field span{
  color: var(--muted);
  font-weight: 700;
  font-size: .95rem;
}
input[type="text"], input[type="email"], select, textarea{
  width: 100%;
  padding: .8rem .9rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  outline: none;
}
input[type="text"]:focus, input[type="email"]:focus, select:focus, textarea:focus{
  border-color: rgba(119,255,204,.35);
}
input[type="range"]{
  width: 100%;
}

.calc-readout{
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.amount{
  margin: 0;
  font-size: 1.8rem;
  font-weight: 900;
}
.calc-actions{
  display:flex;
  gap: .8rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

/* Contact */
.contact-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1.2rem;
  align-items:start;
}
.form .two-col{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: .9rem;
}
.form button{ margin-top: .6rem; }
.form-note{ margin: .6rem 0 0; font-size: .95rem; }
.form-success{
  margin: .8rem 0 0;
  padding: .8rem .9rem;
  border-radius: 14px;
  background: rgba(119,255,204,.10);
  border: 1px solid rgba(119,255,204,.22);
  color: rgba(255,255,255,.90);
  font-weight: 750;
}

.pill-row{
  display:flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}
.pill{
  padding: .35rem .6rem;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--muted);
  font-weight: 750;
  font-size: .92rem;
}

/* Footer */
.site-footer{
  border-top: 1px solid rgba(255,255,255,.10);
  padding: 1.6rem 0;
  background: rgba(255,255,255,.02);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-weight: 650;
}
.footer-links{
  display:flex;
  align-items:center;
  gap: 1rem;
}

/* Modal */
.modal{
  position: fixed;
  inset: 0;
  display:none;
  place-items: center;
  padding: 1.2rem;
  z-index: 100;
}
.modal[aria-hidden="false"]{ display:grid; }
.modal-backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}
.modal-panel{
  position: relative;
  width: min(720px, 100%);
  background: rgba(11,18,32,.92);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: 0 30px 90px rgba(0,0,0,.6);
  overflow:hidden;
}
.modal-content{
  padding: 1.2rem 1.2rem 1.35rem;
}
.modal-close{
  position:absolute;
  top: .65rem;
  right: .65rem;
  width: 40px; height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-size: 1.35rem;
  cursor:pointer;
}
.modal-close:hover{ background: rgba(255,255,255,.10); }

.modal-content h3{ margin: 0 0 .5rem; }
.modal-content p{ color: var(--muted); margin: 0 0 1rem; }
.modal-content .modal-actions{
  display:flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.notice{
  padding: .85rem .95rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: var(--muted);
  font-size: .98rem;
}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-card .card{ position: static; }
  .cards{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .impact-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .calc-controls{ grid-template-columns: 1fr; }
  .form .two-col{ grid-template-columns: 1fr; }

  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .nav-links{
    display:none;
    position:absolute;
    right: 1rem;
    top: 70px;
    width: min(340px, calc(100vw - 2rem));
    flex-direction: column;
    align-items: stretch;
    gap: .2rem;
    padding: .6rem;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(11,18,32,.92);
    box-shadow: 0 24px 70px rgba(0,0,0,.5);
  }
  .nav-links.is-open{ display:flex; }
  .nav-links a{ padding: .7rem .8rem; }
  .header-cta{ display:none; }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; }
  .bar-fill{ transition: none; }
  .btn{ transition: none; }
}