:root {
  --bg: #4698c8;
  --bg-soft: #ffffff;
  --card: #ffffff;
  --card-border: #346b91;
  --gold: #346b91;
  --gold-strong: #4698c8;
  --gold-soft: color-mix(in srgb, var(--gold) 16%, transparent);
  --text: #346b91;
  --text-muted: #4698c8;
  --page-text: #ffffff;
  --page-heading: #ffffff;
  --hero-frame: #fdfaf4;
  --menu-btn: #346b91;
  --menu-btn-text: #ffffff;
  --btn-text: #ffffff;
  --danger: #e07b6b;
  --success: #7bc98f;
  --radius: 18px;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 500px at 50% -100px, color-mix(in srgb, var(--gold) 12%, var(--bg)) 0%, var(--bg) 60%);
  color: var(--text);
  font-family: "Georgia", "Times New Roman", serif;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

/* ---------- Topbar ---------- */
.topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 880px;
  margin: 0 auto;
  padding: 18px 20px;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--menu-btn), color-mix(in srgb, var(--menu-btn) 78%, black));
  color: var(--menu-btn-text);
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.brand img {
  height: 56px;
  max-width: 220px;
  object-fit: contain;
}

.brand__fallback {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--page-text);
  transform: rotate(45deg);
  color: var(--page-text);
  font-size: 1.05rem;
}

.brand__mark::first-letter,
.brand__mark {
  line-height: 1;
}

.brand__mark > * {
  transform: rotate(-45deg);
}

.brand__name {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--page-text);
  line-height: 1.45;
}

.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.menu a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--menu-btn), color-mix(in srgb, var(--menu-btn) 78%, black));
  color: var(--menu-btn-text);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

.menu a:hover {
  filter: brightness(1.1);
}

/* ---------- Page ---------- */
.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 8px 20px 60px;
  display: grid;
  gap: 26px;
}

.hero-card {
  background: var(--hero-frame);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.hero-card__media {
  position: relative;
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  background: #0d0a08;
  min-height: 320px;
  display: grid;
}

.hero-card__media img {
  width: 100%;
  height: 100%;
  max-height: 460px;
  object-fit: cover;
  display: block;
}

.hero-card__placeholder {
  display: grid;
  place-items: center;
  min-height: 320px;
  background:
    radial-gradient(600px 240px at 50% 0%, rgba(201, 161, 90, 0.25), transparent 70%),
    linear-gradient(160deg, #241c13, #0d0a08 70%);
}

.hero-card__mark {
  font-size: 4rem;
  color: var(--gold);
  opacity: 0.7;
}

.hero-card__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 28px 24px 22px;
  background: linear-gradient(180deg, transparent, rgba(6, 4, 3, 0.88) 55%);
}

.hero-card__caption h1 {
  margin: 0 0 6px;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  letter-spacing: 0.04em;
  color: #fff;
}

.hero-card__caption p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 60ch;
}

/* ---------- Donate card ---------- */
.donate-card {
  background: linear-gradient(180deg, var(--bg-soft), var(--card));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 30px clamp(18px, 4vw, 40px) 34px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.donate-card__title {
  margin: 0;
  text-align: center;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-strong);
}

.donate-card__hint {
  margin: 8px 0 22px;
  text-align: center;
  color: var(--text-muted);
}

.presets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.presets button {
  position: relative;
  padding: 16px 10px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 1.15rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
}

.presets button:hover {
  border-color: var(--gold);
}

.presets button.is-selected {
  border-color: var(--gold-strong);
  background: var(--gold-soft);
  color: var(--gold-strong);
  transform: translateY(-1px);
}

.presets button .tag {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--btn-text);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.amount-field {
  display: block;
  margin-bottom: 18px;
}

.amount-field > span {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.amount-field__wrap {
  display: flex;
  align-items: center;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.15s;
}

.amount-field__wrap:focus-within {
  border-color: var(--gold-strong);
}

.amount-field__prefix {
  padding: 0 4px 0 16px;
  color: var(--gold-strong);
  font-size: 1.3rem;
}

.amount-field input {
  flex: 1;
  padding: 15px 16px 15px 8px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 1.4rem;
  outline: none;
}

.donor-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 22px;
}

.field > span {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  outline: none;
}

.field input:focus {
  border-color: var(--gold-strong);
}

.button {
  cursor: pointer;
  border: 0;
  border-radius: 12px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
}

.button--primary {
  display: block;
  width: 100%;
  padding: 17px;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: var(--btn-text);
  background: linear-gradient(180deg, var(--gold-strong), var(--gold));
  box-shadow: 0 8px 24px color-mix(in srgb, var(--gold) 35%, transparent);
  transition: filter 0.15s, transform 0.1s;
}

.button--primary:hover {
  filter: brightness(1.06);
}

.button--primary:active {
  transform: translateY(1px);
}

.button--primary[disabled] {
  opacity: 0.6;
  cursor: wait;
}

.donate-card__feedback {
  min-height: 1.3em;
  margin: 14px 0 0;
  text-align: center;
  color: var(--danger);
}

.donate-card__feedback.is-ok {
  color: var(--success);
}

.donate-card__secure {
  margin: 12px 0 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---------- About / footer ---------- */
.about {
  padding: 0 6px;
}

.about h2 {
  color: var(--page-heading);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1.05rem;
}

.about p {
  color: var(--page-text);
  line-height: 1.7;
  white-space: pre-line;
}

.footer {
  padding: 26px 20px 40px;
  text-align: center;
  color: var(--page-text);
  font-size: 0.85rem;
}

/* ---------- Return modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(10, 7, 5, 0.75);
  z-index: 30;
}

.modal[hidden] {
  display: none;
}

.modal__card {
  width: min(430px, 100%);
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
}

.modal__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--gold-soft);
  color: var(--gold-strong);
  font-size: 1.8rem;
}

.modal__card h2 {
  margin: 0 0 8px;
  color: var(--gold-strong);
}

.modal__card p {
  margin: 0 0 22px;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .menu {
    display: none;
    position: absolute;
    top: calc(100% - 6px);
    left: 20px;
    right: 20px;
    z-index: 20;
    flex-direction: column;
    padding: 12px;
    border: 1px solid var(--card-border);
    border-radius: 14px;
    background: var(--bg-soft);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
  }

  .menu.is-open {
    display: flex;
  }

  .menu a {
    text-align: center;
  }

  .donor-fields {
    grid-template-columns: 1fr;
  }
}