:root {
  --background: #faf9fc;
  --surface: #ffffff;
  --surface-soft: #f4f3f6;
  --surface-mid: #e8e8eb;
  --primary: #001629;
  --primary-soft: #cfe5ff;
  --secondary: #3d665f;
  --secondary-soft: #bde9df;
  --pink: #f7b4b2;
  --purple: #ba9fc1;
  --lime: #c7d88a;
  --yellow: #fdd08a;
  --text: #1a1c1e;
  --muted: #42474d;
  --border: #c3c7ce;
  --shadow: 0 24px 70px rgba(0, 22, 41, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: "Be Vietnam Pro", system-ui, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 80px;
  padding: 0 clamp(20px, 5vw, 64px);
  background: rgba(250, 249, 252, 0.9);
  border-bottom: 1px solid rgba(195, 199, 206, 0.45);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  white-space: nowrap;
}

.brand img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: contrast(1.02) saturate(1.03);
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.5vw, 28px);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.site-nav a {
  transition: color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--secondary);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 0;
  border-radius: 14px;
  padding: 12px 22px;
  font: 700 0.92rem/1 "Be Vietnam Pro", system-ui, sans-serif;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.nav-cta,
.button.primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(0, 22, 41, 0.18);
}

.button.secondary {
  background: var(--surface-mid);
  color: var(--primary);
}

.button:hover,
.button:focus-visible,
.nav-cta:hover,
.nav-cta:focus-visible {
  transform: translateY(-2px);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 0;
  border-radius: 12px;
  background: var(--surface-soft);
}

.menu-button span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 3px auto;
  border-radius: 99px;
  background: var(--primary);
}

.hero,
.section {
  width: min(1280px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: clamp(36px, 6vw, 76px);
  align-items: center;
  min-height: min(720px, calc(100svh - 80px));
  padding: clamp(48px, 6vw, 72px) 0;
}

.hero::before,
.hero::after {
  position: absolute;
  z-index: -1;
  width: 280px;
  height: 280px;
  content: "";
  filter: blur(55px);
  opacity: 0.45;
}

.hero::before {
  top: 8%;
  right: 10%;
  border-radius: 60% 40% 30% 70% / 50% 35% 65% 50%;
  background: var(--secondary-soft);
}

.hero::after {
  bottom: 8%;
  left: 0;
  border-radius: 45% 55% 60% 40% / 60% 45% 55% 40%;
  background: var(--primary-soft);
}

.section-label {
  margin: 0 0 14px;
  color: var(--secondary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--primary);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.55rem, 5.2vw, 4.55rem);
  letter-spacing: 0;
}

h2 {
  max-width: 780px;
  font-size: clamp(2rem, 4.2vw, 3.8rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
}

.hero-copy > p:not(.section-label),
.section p {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.06rem;
}

.hero-actions,
.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-visual {
  display: grid;
  place-items: center;
}

.organic-panel {
  position: relative;
  width: min(100%, 430px);
  padding: clamp(22px, 5vw, 44px);
  border-radius: 44% 56% 51% 49% / 48% 34% 66% 52%;
  background: linear-gradient(140deg, rgba(189, 233, 223, 0.9), rgba(207, 229, 255, 0.75));
  box-shadow: var(--shadow);
}

.organic-panel img {
  aspect-ratio: 1;
  object-fit: contain;
}

.organic-panel .hero-logo {
  mix-blend-mode: multiply;
  filter: saturate(1.04) contrast(1.02);
  transform: scale(1.08);
}

.impact-band {
  background: var(--primary);
  color: #ffffff;
  padding: clamp(40px, 8vw, 76px) 20px;
  text-align: center;
}

.impact-band blockquote {
  width: min(900px, 100%);
  margin: 0 auto;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: clamp(1.7rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.18;
}

.section {
  padding: clamp(70px, 9vw, 116px) 0;
}

.split,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(34px, 6vw, 72px);
  align-items: center;
}

.mission-note {
  display: grid;
  gap: 8px;
  max-width: 640px;
  margin-top: 28px;
  padding: 24px;
  border-left: 5px solid var(--secondary);
  border-radius: 16px;
  background: var(--surface-soft);
  color: var(--muted);
}

.mission-note strong {
  color: var(--primary);
}

.feature-image,
.proof-grid figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.feature-image img {
  width: 100%;
  height: min(560px, 70vh);
  object-fit: cover;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 34px;
}

.leadership {
  padding-top: 0;
}

.leader-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 18px;
}

.leader-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  min-height: 250px;
  padding: clamp(22px, 3vw, 32px);
  border-top: 4px solid var(--secondary);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 18px 48px rgba(0, 22, 41, 0.07);
}

.leader-card.primary-leader {
  border-top-color: var(--pink);
  background: linear-gradient(135deg, rgba(247, 180, 178, 0.28), rgba(189, 233, 223, 0.34));
}

.leader-initial {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 18px;
  background: var(--secondary-soft);
  color: var(--primary);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-weight: 800;
}

.leader-role {
  margin: 10px 0 12px;
  color: var(--secondary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.objective-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.objective-list article {
  padding: 22px;
  border-left: 4px solid var(--secondary);
  border-radius: 18px;
  background: var(--surface-soft);
}

.objective-list h3 {
  font-size: 1.05rem;
}

.objective-list p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.program-card {
  min-height: 310px;
  padding: clamp(24px, 3vw, 36px);
  border-radius: 24px;
  color: var(--primary);
  box-shadow: inset 0 -4px 0 rgba(0, 22, 41, 0.06);
}

.program-card.teal {
  background: #a7d2c9;
}

.program-card.pink {
  background: #f7c8c6;
}

.program-card.blue {
  background: #add7e9;
}

.card-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin-bottom: 34px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.42);
  font-weight: 800;
}

.program-card p {
  color: rgba(0, 22, 41, 0.78);
}

.proof-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.85fr;
  gap: 20px;
  margin-top: 28px;
}

.proof-grid img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.proof-grid figcaption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  color: #ffffff;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

.constitution {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(320px, 1fr);
  gap: 34px;
  align-items: start;
}

.constitution-intro {
  position: sticky;
  top: 110px;
}

.constitution-list {
  display: grid;
  gap: 16px;
}

.constitution-list article,
.contact-form {
  padding: 26px;
  border-top: 4px solid var(--primary);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 16px 44px rgba(0, 22, 41, 0.07);
}

.constitution-list article:nth-child(2) {
  border-top-color: var(--secondary);
}

.constitution-list article:nth-child(3) {
  border-top-color: var(--purple);
}

.constitution-list article:nth-child(4) {
  border-top-color: var(--lime);
}

.support {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-inline: clamp(24px, 4vw, 48px);
  border-radius: 28px;
  background: linear-gradient(135deg, var(--secondary-soft), var(--primary-soft));
}

.donation-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 22, 41, 0.58);
}

.donation-modal[hidden] {
  display: none;
}

.donation-dialog {
  position: relative;
  width: min(620px, 100%);
  max-height: min(720px, calc(100vh - 40px));
  overflow: auto;
  padding: clamp(26px, 4vw, 40px);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 28px 90px rgba(0, 22, 41, 0.28);
}

.donation-dialog h2 {
  font-size: clamp(1.75rem, 4vw, 2.7rem);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: 0;
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--primary);
  cursor: pointer;
  font: 700 0.85rem/1 "Be Vietnam Pro", system-ui, sans-serif;
  padding: 10px 12px;
}

.account-details {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
}

.account-details div {
  display: grid;
  grid-template-columns: minmax(130px, 0.45fr) minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(195, 199, 206, 0.7);
}

.account-details dt {
  color: var(--muted);
  font-weight: 700;
}

.account-details dd {
  margin: 0;
  color: var(--primary);
  font-weight: 800;
}

.contact {
  align-items: start;
}

.contact > * {
  min-width: 0;
}

.contact-details ul {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.contact-details li {
  display: grid;
  gap: 4px;
  padding: 18px;
  border-radius: 16px;
  background: var(--surface-soft);
}

.contact-details strong {
  color: var(--primary);
}

.contact-details a {
  color: var(--secondary);
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.organisation-fields {
  display: grid;
  gap: 18px;
}

.organisation-fields[hidden] {
  display: none;
}

.spam-trap {
  position: fixed;
  inset: auto auto 0 0;
  width: 1px !important;
  height: 1px !important;
  opacity: 0;
  pointer-events: none;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--primary);
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--text);
  font: 500 1rem/1.4 "Be Vietnam Pro", system-ui, sans-serif;
  padding: 14px 16px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--secondary);
  outline: 3px solid rgba(61, 102, 95, 0.16);
}

.recaptcha-wrap {
  min-height: 78px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-soft);
}

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.form-status {
  min-height: 24px;
  margin: 0;
  font-weight: 700;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 34px clamp(20px, 5vw, 64px);
  background: var(--primary);
  color: #ffffff;
}

.site-footer p {
  margin: 0;
}

.site-footer p + p {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
}

.onea-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  transition: background 180ms ease, transform 180ms ease;
}

.onea-link:hover,
.onea-link:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

.onea-link img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

@media (max-width: 920px) {
  .menu-button {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 80px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border-radius: 18px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 10px 12px;
  }

  .hero,
  .split,
  .constitution,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .program-grid,
  .objective-list,
  .leader-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .proof-grid img {
    height: 340px;
  }

  .constitution-intro {
    position: static;
  }

  .support {
    display: grid;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 72px;
  }

  .site-nav {
    top: 72px;
  }

  .hero,
  .section {
    width: min(1280px, calc(100% - 32px));
  }

  .hero {
    gap: 22px;
    padding: 42px 0 34px;
  }

  h1 {
    font-size: 2.35rem;
  }

  .hero-copy > p:not(.section-label),
  .section p {
    font-size: 1rem;
  }

  .hero-actions,
  .support-actions {
    flex-direction: column;
    gap: 10px;
    margin-top: 22px;
  }

  .organic-panel {
    width: min(100%, 260px);
    padding: 14px;
  }

  .organic-panel img {
    max-height: 190px;
  }

  .button,
  .nav-cta {
    width: 100%;
  }

  .feature-image img,
  .proof-grid img {
    height: 280px;
  }

  .account-details div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .site-footer {
    display: grid;
  }

  .onea-link {
    width: 52px;
  }
}