/* ===================== Сотрудничество ===================== */
.coop { padding-top: calc(var(--header-h) + 24px); padding-bottom: 80px; overflow-x: clip; }
.coop-h2 { margin: 0 0 22px; font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 600; line-height: 1.15; text-align: center; }

/* ---------- Первый экран ---------- */
.coop-hero { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 28px; min-height: 380px; padding: 44px 48px; border-radius: 36px; border: 1px solid var(--border); background: linear-gradient(120deg, #f6efd9 0%, #e6f0dc 50%, #d6e9d6 100%); overflow: hidden; }
.coop-hero h1 { margin: 0; font-size: clamp(2.1rem, 4.4vw, 3.4rem); line-height: 1.04; font-weight: 600; letter-spacing: -.01em; }
.coop-hero__mosaic { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; justify-self: end; width: min(100%, 340px); }
.coop-cell { aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center; border-radius: 26px; background: rgba(255,255,255,.78); color: var(--green-dark); font-size: clamp(26px, 3vw, 36px); box-shadow: 0 12px 28px rgba(10,60,35,.09); animation: coopWave 5.4s ease-in-out infinite; animation-delay: calc(var(--d, 0) * -.42s); will-change: transform; }
.coop-cell { overflow: hidden; }
.coop-cell picture, .coop-cell img { display: block; width: 100%; height: 100%; }
.coop-cell img { object-fit: cover; }
/* волна идёт по диагонали сетки 3×3 (слева сверху вниз вправо): задержка зависит от строки + столбца, цикл бесшовный */
.coop-cell:nth-child(1) { --d: 0; } .coop-cell:nth-child(2), .coop-cell:nth-child(4) { --d: 1; }
.coop-cell:nth-child(3), .coop-cell:nth-child(5), .coop-cell:nth-child(7) { --d: 2; } .coop-cell:nth-child(6), .coop-cell:nth-child(8) { --d: 3; } .coop-cell:nth-child(9) { --d: 4; }
.coop-cell--logo { background: #fff !important; box-shadow: 0 18px 40px rgba(10,60,35,.18); animation-name: coopWaveMid; z-index: 1; }
.coop-cell--you b { padding: 0 6px; font-size: clamp(.68rem, .6rem + .5vw, .95rem); font-weight: 600; line-height: 1.2; text-align: center; color: var(--green-dark); text-wrap: balance; overflow-wrap: anywhere; }
@keyframes coopWave { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-9px) scale(1.03); } }
@keyframes coopWaveMid { 0%, 100% { transform: translateY(0) scale(1.06); } 50% { transform: translateY(-9px) scale(1.1); } }

/* ---------- Цифры сети: внутри первого экрана ---------- */
.coop-stats { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; width: max-content; max-width: 100%; margin: 26px 0 0; padding: 22px 0 0; list-style: none; border-top: 1px solid rgba(10,99,45,.16); }   /* колонки одной ширины: цифры стоят ровно, а между ними тонкая линия */
.coop-stat { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px; padding: 0 36px; }
.coop-stat:first-child { padding-left: 0; }
.coop-stat:last-child { padding-right: 0; }
.coop-stat + .coop-stat { border-left: 1px solid rgba(10,99,45,.16); }
.coop-stat b { font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 600; line-height: 1; color: var(--green-dark); }
.coop-stat span { font-size: .82rem; color: var(--ink-soft); }

/* ---------- Форма: одна белая карточка ---------- */
.coop-form-wrap { max-width: 760px; margin: 56px auto 0; border-radius: 36px; overflow: hidden; background: #fff; border: 1px solid var(--border); box-shadow: 0 24px 56px rgba(10,60,35,.1); scroll-margin-top: calc(var(--header-h) + 16px); }

.coop-form { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 36px; background: #fff; }
.coop-form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.coop-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.coop-field { position: relative; display: flex; flex-direction: column; min-width: 0; }

/* поля с «плавающей» подписью */
.coop-field input[type="text"], .coop-field input[type="tel"], .coop-field input[type="email"], .coop-field input[type="url"], .coop-field textarea { width: 100%; padding: 24px 18px 10px; border-radius: 16px; border: 1.5px solid var(--border); background: var(--cream); color: var(--ink); font-family: inherit; font-size: .96rem; line-height: 1.3; transition: border-color .2s, box-shadow .2s, background .2s; }
.coop-field textarea { resize: vertical; min-height: 104px; line-height: 1.45; }
.coop-field > label:not(.coop-drop) { max-width: calc(100% - 38px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; position: absolute; left: 19px; top: 17px; font-size: .94rem; color: var(--ink-soft); pointer-events: none; transform-origin: left top; transition: transform .18s ease, color .18s ease; }
.coop-field input:focus ~ label, .coop-field textarea:focus ~ label,
.coop-field input:not(:placeholder-shown) ~ label, .coop-field textarea:not(:placeholder-shown) ~ label { transform: translateY(-9px) scale(.76); color: var(--green-dark); }
.coop-field input:focus, .coop-field textarea:focus { outline: none; border-color: var(--green); background: #fff; box-shadow: 0 0 0 4px rgba(46,159,107,.14); }
.coop-field.is-bad input, .coop-field.is-bad textarea { border-color: #d84a3a; box-shadow: 0 0 0 4px rgba(216,74,58,.1); }

.coop-form__submit { justify-content: center; margin-top: 4px; }
.coop-form__submit i { display: flex; }
.coop-form__submit.is-loading { opacity: .7; pointer-events: none; }
.coop-form__status { margin: 0; padding: 13px 16px; border-radius: 14px; font-size: .88rem; font-weight: 500; line-height: 1.5; text-align: center; }
.coop-form__status[hidden] { display: none; }
.coop-form__status--ok { background: rgba(46,159,107,.12); color: var(--green-dark); }
.coop-form__status--error { background: rgba(214,69,69,.1); color: #b5342d; }

@media (max-width: 980px) {
  .coop-hero { grid-template-columns: minmax(0, 1fr); padding: 34px 28px 40px; min-height: 0; }
  .coop-hero { text-align: center; }
  .coop-hero__mosaic { justify-self: center; width: min(100%, 300px); }
  .coop-stats { margin-left: auto; margin-right: auto; }
}
@media (max-width: 720px) {
  .coop { padding-top: calc(var(--header-h) + 12px); padding-bottom: 56px; }
  .coop-hero { padding: 26px 18px 30px; border-radius: 28px; text-align: center; gap: 28px; }
  .coop-hero h1 { font-size: clamp(1.2rem, 6.3vw, 2.4rem); }
  .coop-hero__mosaic { width: min(100%, 260px); gap: 9px; }
  .coop-cell { border-radius: 20px; }
  .coop-stats { margin: 26px auto 0; padding-top: 18px; }
  .coop-stat, .coop-stat:first-child, .coop-stat:last-child { align-items: center; padding: 0 28px; }
  .coop-stat b { font-size: 1.6rem; }
  .coop-form-wrap { margin-top: 40px; border-radius: 28px; }
    .coop-form { padding: 20px 16px 18px; gap: 12px; }
  .coop-row { grid-template-columns: 1fr; gap: 12px; }
}

/* ---------- Что нужно подготовить ---------- */
.coop-need { margin: 56px 0 0; }
.coop-need__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.coop-need__card { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; padding: 26px 26px 24px; border-radius: 28px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 28px rgba(10,60,35,.05); }
.coop-need__ico { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; margin-bottom: 6px; border-radius: 17px; background: linear-gradient(150deg, rgba(46,159,107,.2), rgba(46,159,107,.07)); color: var(--green-dark); font-size: 22px; }
.coop-need__ico i { display: flex; }
.coop-need__card b { font-size: 1.02rem; font-weight: 600; line-height: 1.3; text-wrap: balance; }
.coop-need__card p { margin: 0; font-size: .86rem; line-height: 1.55; font-weight: 300; color: var(--ink-soft); text-wrap: pretty; }

.coop-group { gap: 10px; }
.coop-group__t { font-size: .78rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--green-dark); }

/* ---------- Город: выпадающий список ---------- */
.coop-field--select select { width: 100%; padding: 24px 44px 10px 18px; border-radius: 16px; border: 1.5px solid var(--border); background: var(--cream) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%230A632D' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 18px center; color: var(--ink); font-family: inherit; font-weight: inherit; font-size: .96rem; line-height: 1.3; appearance: none; -webkit-appearance: none; cursor: pointer; transition: border-color .2s, box-shadow .2s, background-color .2s; }
.coop-field--select select:invalid { color: var(--ink-soft); }
.coop-field--select select:focus { outline: none; border-color: var(--green); background-color: #fff; box-shadow: 0 0 0 4px rgba(46,159,107,.14); }
.coop-field--select > label { transform: translateY(-9px) scale(.76); color: var(--green-dark); }   /* подпись всегда над значением, как у заполненных полей */
.coop-field--select.is-bad select { border-color: #d84a3a; box-shadow: 0 0 0 4px rgba(216,74,58,.1); }

/* ---------- Загрузка презентации ---------- */
.coop-drop { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 24px 16px; border-radius: 20px; border: 1.5px dashed rgba(10,99,45,.32); background: var(--cream); text-align: center; cursor: pointer; transition: background .2s, border-color .2s; }
.coop-drop i { display: flex; font-size: 26px; color: var(--green); margin-bottom: 4px; }
.coop-drop b { font-size: .92rem; font-weight: 600; color: var(--ink); }
.coop-drop small { text-wrap: balance; font-size: .76rem; line-height: 1.4; color: var(--ink-soft); }
.coop-drop:hover, .coop-drop.is-over { background: rgba(46,159,107,.08); border-color: var(--green); }
.coop-drop__input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.coop-drop__input:focus-visible + .coop-files, .coop-drop:focus-within { box-shadow: 0 0 0 3px rgba(46,159,107,.3); }
#coopFilesField.is-bad .coop-drop { border-color: #d84a3a; box-shadow: 0 0 0 4px rgba(216,74,58,.1); }
.coop-files { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; list-style: none; }
.coop-files:empty { display: none; }
.coop-file { display: flex; align-items: center; gap: 12px; padding: 10px 10px 10px 14px; border-radius: 16px; background: #fff; border: 1.5px solid var(--border); }
.coop-file__ico { flex: 0 0 auto; display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 12px; background: rgba(46,159,107,.12); color: var(--green-dark); font-size: 16px; }
.coop-file__ico i { display: flex; }
.coop-file__txt { min-width: 0; flex: 1 1 auto; display: flex; flex-direction: column; gap: 1px; }
.coop-file__txt b { font-size: .85rem; font-weight: 500; line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.coop-file__txt span { font-size: .74rem; color: var(--ink-soft); }
.coop-file__x { flex: 0 0 auto; display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border: 0; border-radius: 50%; background: transparent; color: var(--ink-soft); font-size: 14px; cursor: pointer; transition: background .2s, color .2s; }
.coop-file__x i { display: flex; }
.coop-file__x:hover { background: rgba(216,74,58,.1); color: #d84a3a; }
.coop-field--link { margin-top: 2px; }
.coop-short { display: none; }
.coop-short > span { display: block; }

@media (max-width: 980px) {
  .coop-need__card { padding: 20px 18px 18px; border-radius: 24px; }
  .coop-need__card b { font-size: .95rem; }
  .coop-need__card p { font-size: .82rem; }
}
@media (max-width: 720px) {
  .coop-need { margin-top: 36px; }
  .coop-need__card { padding: 14px 16px; }
  .coop-need__ico { width: 44px; height: 44px; border-radius: 15px; font-size: 19px; }
  .coop-drop { padding: 18px 12px; }
}
@media (max-width: 720px) {
  /* меньше текста на телефоне: короткие подписи в загрузке файлов, описания карточек скрыты, карточки собраны в один список */
  .coop-long { display: none; }
  .coop-short { display: inline; }
  .coop-drop small .coop-short { display: block; }
  .coop-h2 { margin-bottom: 14px; font-size: 1.2rem; }
  .coop-need { margin-top: 28px; }
  .coop-need__grid { grid-template-columns: minmax(0, 1fr); gap: 0; border-radius: 24px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 28px rgba(10,60,35,.05); overflow: hidden; }
  .coop-need__card { flex-direction: row; flex-wrap: nowrap; align-items: center; gap: 14px; padding: 12px 16px; border: 0; border-radius: 0; box-shadow: none; background: none; }
  .coop-need__card + .coop-need__card { border-top: 1px solid var(--border); }
  .coop-need__card b { flex: 1 1 auto; font-size: .82rem; line-height: 1.3; }
  .coop-need__card p { display: none; }
  .coop-need__ico { width: 40px; height: 40px; border-radius: 14px; font-size: 18px; }
  .coop-group__t { letter-spacing: .03em; }
  .coop-drop b { font-size: .88rem; }
}
@media (max-width: 380px) {
  /* самые узкие телефоны: названия в списке и подписи в полях не должны переноситься по слову на строку */
  .coop-need__card { gap: 12px; padding: 12px 14px; }
  .coop-need__card b { font-size: .74rem; text-wrap: balance; }
  .coop-need__ico { width: 36px; height: 36px; border-radius: 12px; font-size: 16px; }
  .coop-field > label:not(.coop-drop) { font-size: .84rem; left: 17px; }
  .coop-field input[type="text"], .coop-field input[type="tel"], .coop-field input[type="email"], .coop-field input[type="url"], .coop-field textarea { padding-left: 16px; padding-right: 12px; }
}
@media (prefers-reduced-motion: reduce) { .coop-cell { animation: none; will-change: auto; } .coop-cell--logo { transform: scale(1.06); } }