/* ==========================================================================
   Секция «Партнёрам» (B2B)
   Большая панель: слева оффер, маршрут и цифры, справа «кому подходит».
   Ниже — «что берём на себя» (6 плиток) и четыре шага сотрудничества.
   ========================================================================== */

.partners { position: relative; }

/* --- Панель ------------------------------------------------------------- */
.partners__panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px);
  padding: clamp(28px, 4vw, 56px);
  border-radius: 7px 28px 7px 28px / 7px 22px 7px 22px;
  background:
    radial-gradient(70% 90% at 0% 0%, rgba(29, 98, 168, .35), transparent 60%),
    linear-gradient(150deg, var(--c-navy-800) 0%, var(--c-navy-950) 100%);
  box-shadow: inset 0 0 0 1px var(--c-line), 0 30px 60px rgba(0, 0, 0, .35);
}
.partners__panel::before {          /* триколор сверху */
  content: "";
  position: absolute;
  top: 0;
  left: clamp(28px, 4vw, 56px);
  width: 140px;
  height: 4px;
  border-radius: 0 0 4px 4px;
  background: var(--g-tricolor);
}
.partners__glow {                    /* мягкое красное свечение справа внизу */
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(50% 70% at 100% 100%, rgba(192, 51, 44, .18), transparent 70%);
}

.partners__intro { display: grid; align-content: start; gap: 20px; min-width: 0; }
.partners__title { font-size: clamp(1.75rem, 1.2rem + 1.9vw, 2.75rem); font-weight: 500; }
.partners__title b { font-weight: 700; }
.partners__lead { max-width: 560px; margin: 0; font-size: var(--fs-md); line-height: 1.55; color: var(--c-on-dark-muted); }

/* маршрут: Китай / Корея → Владивосток → Россия */
.partners__route { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.partners__node {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--shape-chip);
  background: var(--c-on-dark-fill);
  box-shadow: inset 0 0 0 1px var(--c-on-dark-line);
  font: 600 14px/1 var(--f-text);
  color: #fff;
  white-space: nowrap;
}
.partners__node img { border-radius: 2px 1px 2px 1px; }
.partners__node svg { width: 16px; height: 16px; }
.partners__node--hub { background: var(--c-red); box-shadow: 0 8px 18px rgba(192, 51, 44, .3); }
.partners__line {                    /* пунктир с бегущей точкой */
  position: relative;
  flex: 0 1 44px;
  min-width: 24px;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .35) 0 5px, transparent 5px 9px);
}
.partners__line::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 10px var(--c-accent);
  animation: partners-run 2.4s ease-in-out infinite;
}
.partners__line + .partners__node + .partners__line::after { animation-delay: 1.2s; }
@keyframes partners-run {
  0% { left: 0; opacity: 0; }
  15%, 85% { opacity: 1; }
  100% { left: calc(100% - 8px); opacity: 0; }
}

.partners__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 4px 0 0;
  padding: 0;
  overflow: hidden;
  border-radius: 10px 4px 10px 4px;
  background: var(--c-on-dark-line);
  list-style: none;
}
.partners__stats li { display: grid; gap: 4px; padding: 14px 16px; background: rgba(8, 22, 38, .75); }
.partners__stats b { font: 700 clamp(1.25rem, 1rem + .9vw, 1.75rem)/1 var(--f-display); color: #fff; }
.partners__stats span { font-size: 13px; color: var(--c-on-dark-muted); }

.partners__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 4px; }
.partners__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--c-accent);
  text-decoration: none;
}
.partners__more svg { width: 16px; height: 16px; transform: rotate(-90deg); transition: transform var(--t-base) var(--ease-out); }
.partners__more:hover svg { transform: rotate(-90deg) translateY(4px); }

/* кому подходит */
.partners__who { display: grid; align-content: center; gap: 12px; min-width: 0; }
.partners__label {
  margin: 0 0 2px;
  font: 700 12px/1 var(--f-display);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-on-dark-faint);
}
.partner-who {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--shape-card);
  background: rgba(255, 255, 255, .045);
  box-shadow: inset 0 0 0 1px var(--c-on-dark-line);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: transform var(--t-base) var(--ease-out), background-color var(--t-fast), box-shadow var(--t-fast);
}
.partner-who:hover { transform: translateX(-6px); background: rgba(255, 255, 255, .07); box-shadow: inset 0 0 0 1.5px var(--c-accent); }
.partner-who__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--shape-chip);
  background: var(--c-blue);
  color: #fff;
  box-shadow: 0 8px 18px rgba(12, 72, 127, .45);
  transition: transform var(--t-base) var(--ease-out), background-color var(--t-fast);
}
.partner-who__icon svg { width: 22px; height: 22px; }
.partner-who:hover .partner-who__icon { transform: rotate(-8deg); background: var(--c-red); }
.partner-who__title { margin: 2px 0 6px; font: 700 1.0625rem/1.2 var(--f-display); color: #fff; }
.partner-who__text { margin: 0; font-size: var(--fs-sm); line-height: 1.5; color: var(--c-on-dark-muted); }

/* карточки справа выезжают по очереди */
.js .partners__panel .partner-who { opacity: 0; transform: translateX(24px); }
.js .partners__panel.is-visible .partner-who {
  opacity: 1;
  transform: none;
  transition: opacity .5s, transform .6s var(--ease-out), background-color var(--t-fast), box-shadow var(--t-fast);
  transition-delay: calc(var(--i) * 120ms + .2s), calc(var(--i) * 120ms + .2s), 0s, 0s;
}
.js .partners__panel.is-visible .partner-who:hover { transform: translateX(-6px); transition-delay: 0s; }

/* --- Что берём на себя ---------------------------------------------------- */
.partners__gets { margin-top: clamp(32px, 4vw, 56px); }
.partners__subtitle { margin: 0 0 18px; font: 700 var(--fs-lg)/1.2 var(--f-display); color: var(--c-heading); }
.partners__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.4vw, 18px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.partner-get {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 6px;
  align-items: start;
  padding: 20px;
  border-radius: var(--shape-card);
  background: var(--c-surface);
  box-shadow: inset 0 0 0 1px var(--c-line), var(--shadow-sm);
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base);
}
.partner-get:hover { transform: translateY(-4px); box-shadow: inset 0 0 0 1.5px var(--c-accent), var(--shadow-md); }
.partner-get__icon {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--shape-chip);
  background: var(--c-accent-soft);
  color: var(--c-accent);
  transition: background-color var(--t-fast), color var(--t-fast), transform var(--t-base) var(--ease-out);
}
.partner-get__icon svg { width: 21px; height: 21px; }
.partner-get:hover .partner-get__icon { background: var(--c-blue); color: #fff; transform: rotate(-8deg); }
.partner-get__title { font: 700 1rem/1.25 var(--f-display); color: var(--c-heading); }
.partner-get__text { font-size: var(--fs-sm); line-height: 1.5; color: var(--c-text-muted); }

/* --- Шаги ------------------------------------------------------------------ */
.partners__steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: clamp(28px, 3.4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}
.partners__steps::before {           /* линия, соединяющая номера */
  content: "";
  position: absolute;
  top: 21px;
  left: 22px;
  right: calc((100% - 54px) / 4 - 22px);   /* до центра последнего номера */
  height: 2px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-red-400));
  opacity: .5;
  transform-origin: left;
}
.js .partners__steps::before { transform: scaleX(0); }
.js .partners__steps.is-visible::before { transform: none; transition: transform 1.2s var(--ease-out) .2s; }
.partner-step { position: relative; display: grid; align-content: start; gap: 6px; justify-items: start; }
.partner-step__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 8px;
  border-radius: 12px 4px 12px 4px;
  background: var(--c-bg);
  box-shadow: inset 0 0 0 2px var(--c-accent);
  font: 700 18px/1 var(--f-display);
  color: #fff;
}
.partner-step:last-child .partner-step__num { background: var(--c-red); box-shadow: 0 8px 18px rgba(192, 51, 44, .35); }
.partner-step__title { font: 700 1.0625rem/1.2 var(--f-display); color: var(--c-heading); }
.partner-step__text { font-size: var(--fs-sm); line-height: 1.5; color: var(--c-text-muted); }
.js .partners__steps .partner-step { opacity: 0; transform: translateY(12px); }
.js .partners__steps.is-visible .partner-step { opacity: 1; transform: none; transition: opacity .5s, transform .6s var(--ease-out); transition-delay: calc(var(--i) * 180ms + .3s); }

/* --- Адаптив --------------------------------------------------------------- */
@media (max-width: 1100px) {
  .partners__panel { grid-template-columns: 1fr; }
  .partners__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .partners__panel { padding: 28px 20px; }
  .partners__stats { grid-template-columns: 1fr 1fr 1fr; }
  .partners__stats li { padding: 12px 10px; }
  .partners__stats span { font-size: 12px; }
  .partners__actions .btn { flex: 1 1 100%; justify-content: center; }
  .partners__grid { grid-template-columns: 1fr; }
  .partner-who { padding: 16px; gap: 14px; }
  .partners__steps { grid-template-columns: 1fr; gap: 16px; }
  .partners__steps::before { top: 22px; bottom: 22px; left: 21px; right: auto; width: 2px; height: auto; background: linear-gradient(180deg, var(--c-accent), var(--c-red-400)); transform-origin: top; }
  .js .partners__steps::before { transform: scaleY(0); }
  .partner-step { grid-template-columns: auto minmax(0, 1fr); column-gap: 16px; row-gap: 2px; }
  .partner-step__num { grid-row: span 2; margin: 0; }
  .partner-step__title { align-self: end; }
}
@media (prefers-reduced-motion: reduce) {
  .partners__line::after { animation: none; }
}