/* Поддержать проект — страница, баннер, блок на скачивании. Свой зелёный (согласуется с пользователем). */
:root { --sg: #C8202A; --sg-deep: #8F1219; --sg-hi: #D2466B; --sg-soft: #F6DEDB; --sg-soft2: #F0CCC7;
  /* баннер: вариант «малина» (утверждён пользователем 26.10, 19:06) */
  --sb-bg: linear-gradient(135deg, #C2306F 0%, #A5536E 55%, #873A54 100%); --sb-ink: #FFFCF6; --sb-sub: #F6DEDB;
  --sb-chip: #ffffff1f; --sb-chip-b: #ffffff55; --sb-chip-ink: #FFFCF6; --sb-on: #FFFCF6; --sb-on-ink: #873A54;
  --sb-btn: #FFFCF6; --sb-btn-ink: #8F1219; --sb-btn-hover: #F6DEDB; --sb-heart: #C8202A; --sb-deco: #fff; --sb-deco-o: .10; }
.btn.green { background: var(--sg); color: var(--white); }
.btn.green:hover { background: var(--sg-deep); color: var(--white); }
.btn.soft-green { background: var(--sg-soft); color: var(--sg); }
.btn.soft-green:hover { background: var(--sg-soft2); color: var(--sg); }
.btn.cream-green { background: var(--cream); color: var(--sg); }
.btn.cream-green:hover { background: var(--sg-soft); color: var(--sg); }

/* страница */
.sp-page { padding-bottom: clamp(56px, 6vw, 88px); }
.sp-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.sp-heart { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; background: var(--sg-soft); color: var(--sg); margin-bottom: 22px; }
.sp-heart svg { width: 26px; height: 26px; }
.sp-heart.big { width: 72px; height: 72px; border-radius: 22px; }
.sp-heart.big svg { width: 36px; height: 36px; }
.sp-intro h1 { max-width: 11em; }
.sp-thanks-h { font-size: clamp(38px, 4.8vw, 68px); line-height: 1.02; } /* «Спасибо» — h2 с видом h1: на странице один h1 */
.sp-lead { font-size: clamp(18px, 1.5vw, 20px); line-height: 1.6; max-width: 34em; margin: 22px 0 0; color: var(--ink-2); }
.sp-points { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.sp-points li { position: relative; padding-left: 34px; font-size: 17px; }
.sp-points li::before { content: ""; position: absolute; left: 0; top: .2em; width: 22px; height: 22px; border-radius: 50%; background: var(--sg-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C8202A' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/14px no-repeat; }

.sp-card { background: var(--white); border-radius: 28px; padding: clamp(24px, 3.4vw, 40px); box-shadow: 0 1px 0 #00000008, 0 18px 46px #3a2a2c14; }
.sp-form { display: grid; gap: 26px; }
.sp-field { border: 0; margin: 0; padding: 0; min-width: 0; }
.sp-field legend { padding: 0; margin-bottom: 12px; font-weight: 700; font-size: 15px; color: var(--ink-2); }
.sp-chips { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.sp-pay { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sp-chip { position: relative; display: block; cursor: pointer; }
.sp-chip input[type=radio] { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.sp-chip > span { display: flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 12px; border-radius: 14px; border: 1.5px solid #E3D9CC; background: var(--cream); font-weight: 700; font-size: 17px; color: var(--ink); text-align: center; transition: background-color .15s, border-color .15s, color .15s; }
.sp-chip:hover > span { border-color: var(--sg-hi); }
.sp-chip input:checked + span { background: var(--sg-soft); border-color: var(--sg); color: var(--sg); box-shadow: inset 0 0 0 1px var(--sg); }
.sp-chip input:focus-visible + span { outline: 3px solid var(--sg); outline-offset: 2px; }
.sp-own { grid-column: 1 / -1; }
.sp-own .sp-own-box { justify-content: flex-start; gap: 8px; cursor: text; }
.sp-own-box input { flex: 1; min-width: 0; border: 0; background: transparent; font: 700 17px var(--font); color: var(--ink); outline: none; padding: 0; }
.sp-own-box input::placeholder { color: #9A8E86; font-weight: 500; }
.sp-own-box b { color: var(--ink-2); }
.sp-own input[type=radio] { pointer-events: none; }
.sp-submit { width: 100%; justify-content: center; padding-block: 20px; font-size: 18px; }
.sp-submit svg { width: 20px; height: 20px; }
.sp-note { margin: -8px 0 0; font-size: 14px; line-height: 1.5; color: var(--ink-2); text-align: center; }
.sp-going { margin: 0; text-align: center; color: var(--ink-2); display: grid; gap: 12px; justify-items: center; }
.sp-form.is-going .sp-field, .sp-form.is-going .sp-submit, .sp-form.is-going .sp-note { display: none; }

/* «Спасибо» — по якорю #spasibo / #thanks, работает и без скриптов */
.sp-thanks { display: none; scroll-margin-top: 200px; }
.sp-thanks:target { display: block; }
.sp-thanks:target + .sp-grid { display: none; }
.sp-thanks-card { max-width: 640px; margin: 0 auto; text-align: center; background: var(--white); border-radius: 28px; padding: clamp(32px, 5vw, 56px); box-shadow: 0 18px 46px #3a2a2c14; }
.sp-thanks-card .sp-heart { margin-inline: auto; }
.sp-thanks-card p { font-size: 19px; color: var(--ink-2); margin: 18px auto 0; max-width: 28em; }
.sp-thanks-btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 30px; }

/* баннер перед подвалом */
.sb-band { padding: clamp(48px, 6vw, 80px) 0; }
.support-banner { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: clamp(20px, 4vw, 56px); align-items: center; padding: clamp(28px, 4vw, 48px); border-radius: 28px; color: var(--sb-ink); background: var(--sb-bg); }
.support-banner::after { content: ""; position: absolute; right: -40px; bottom: -60px; width: 220px; height: 220px; opacity: var(--sb-deco-o); background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 20.6s-7.6-4.6-9.4-9.3C1.4 8 3.3 4.6 6.7 4.4c2-.1 3.6 1 5.3 3 1.7-2 3.3-3.1 5.3-3 3.4.2 5.3 3.6 4.1 6.9-1.8 4.7-9.4 9.3-9.4 9.3z'/%3E%3C/svg%3E") center/contain no-repeat; pointer-events: none; }
.support-banner h2 { color: var(--sb-ink); font-size: clamp(26px, 2.6vw, 38px); max-width: 16em; }
.support-banner p { margin: 12px 0 0; color: var(--sb-sub); font-size: 17px; max-width: 34em; }
.sb-form { position: relative; z-index: 1; display: grid; gap: 12px; min-width: 300px; }
.sb-form .sp-chips { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sb-form .sp-chip > span { background: var(--sb-chip); border-color: var(--sb-chip-b); color: var(--sb-chip-ink); min-height: 48px; }
.sb-form .sp-chip:hover > span { border-color: var(--sb-on); }
.sb-form .sp-chip input:checked + span { background: var(--sb-on); border-color: var(--sb-on); color: var(--sb-on-ink); box-shadow: none; }
.sb-row { display: flex; align-items: center; gap: 16px; }
.sb-row .btn { flex: 1; justify-content: center; }
.sb-row a.sb-other { color: var(--sb-ink); font-weight: 600; font-size: 15px; white-space: nowrap; text-underline-offset: 3px; }
.sb-row a.sb-other:hover { color: var(--sb-on); }

/* блок на странице скачивания */
.support-download { display: flex; align-items: center; gap: 18px; margin-top: 28px; padding: 18px 22px; border-radius: 20px; background: var(--sg-soft); color: var(--ink); }
.support-download .sp-heart { margin: 0; width: 44px; height: 44px; border-radius: 14px; background: var(--white); flex: none; }
.support-download p { margin: 0; flex: 1; font-size: 17px; }
.support-download .btn { flex: none; }

@media (max-width: 900px) {
  .sp-grid { grid-template-columns: 1fr; }
  .support-banner { grid-template-columns: 1fr; }
  .sb-form { min-width: 0; }
}
@media (max-width: 600px) {
  .sp-chips { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sp-card, .sp-thanks-card, .support-banner { border-radius: 22px; }
  .support-download { flex-wrap: wrap; }
  .support-download .btn { width: 100%; justify-content: center; }
  .sb-row { flex-direction: column-reverse; align-items: stretch; }
  .sb-row a.sb-other { text-align: center; }
}

/* Красное сердце с «сердцебиением» (решение пользователя 26.10, 19:01) */
@keyframes spBeat { 0%, 100% { transform: scale(1); } 10% { transform: scale(1.18); } 20% { transform: scale(1); } 30% { transform: scale(1.12); } 42% { transform: scale(1); } }
.sp-heart { background: var(--pink); color: var(--red); }
.sp-heart svg, .sp-submit svg, .sb-form .btn svg, .support-banner-heart { transform-origin: 50% 55%; animation: spBeat 2.4s var(--ease) infinite; }
.sp-submit svg { color: #FF6B73; }
.sb-form .btn svg { color: var(--red); }
.support-download .sp-heart { background: var(--white); }
.support-download .sp-heart svg { animation-delay: .6s; }
.sp-submit:hover svg, .sb-form .btn:hover svg { animation-duration: 1.2s; }
@media (prefers-reduced-motion: reduce) { .sp-heart svg, .sp-submit svg, .sb-form .btn svg { animation: none; } }

.sb-form .btn.cream-green { background: var(--sb-btn); color: var(--sb-btn-ink); }
.sb-form .btn.cream-green:hover { background: var(--sb-btn-hover); color: var(--sb-btn-ink); }
.sb-form .btn svg { color: var(--sb-heart); }
.sp-submit svg { color: #FFD9D6; }