*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;

  background: linear-gradient(180deg, #050b1a 0%, #02040a 100%) fixed;
  background-attachment: fixed; /* КЛЮЧ!!!! */

  color: #f9fafb;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, #050b1a 0%, #02040a 100%);
}

/* lock scroll when case modal opened */
body.modal-open {
  position: fixed;
  overflow: hidden;
  width: 100%;
}

main {
  flex: 1;
  background: linear-gradient(180deg, #050b1a 0%, #02040a 100%);
  padding-bottom: 120px;
}

/* Intro screen */
.intro-screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 20% 20%, rgba(56,189,248,0.25), rgba(2,4,10,0.92)),
              radial-gradient(circle at 80% 80%, rgba(168,85,247,0.18), rgba(2,4,10,0.9));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.intro-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-content {
  text-align: center;
  color: #e5e7eb;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.intro-logo {
  width: 128px;
  height: auto;
  filter: drop-shadow(0 12px 28px rgba(0,0,0,0.35));
}

.intro-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.intro-progress {
  width: 160px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  position: relative;
}

.intro-progress::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(56,189,248,0.2), rgba(168,85,247,0.6), rgba(56,189,248,0.2));
  animation: shimmer 1.4s ease-in-out infinite;
}

@keyframes shimmer {
  0%   { transform: translateX(-60%); }
  50%  { transform: translateX(15%); }
  100% { transform: translateX(60%); }
}

/* ========================= */
/*         HEADER            */
/* ========================= */

.header-blur {
  position: sticky;
  top: 0;
  z-index: 100;

  width: 100%;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(0, 0, 0, 0.22);
  border-bottom: 1px solid rgba(255,255,255,0.08);

  padding: 12px 0;

  transition: transform 0.25s ease;
}

.header-hidden {
  transform: translateY(-100%);
}

.header-content {
  max-width: 99%;
  margin: 0 auto;
  padding: 0 16px;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  width: 96px;
  height: auto;
  cursor: pointer;
  transition: opacity .15s ease;
}

.logo:hover {
  opacity: .8;
}

/* ========================= */
/*       TELEGRAM BUTTON     */
/* ========================= */

.contact-link {
  font-size: 15px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.7);
  color: #e5e7eb;
  text-decoration: none;
  font-weight: 500;

  background: radial-gradient(circle at top left, rgba(56,189,248,0.25), transparent 55%),
              radial-gradient(circle at bottom right, rgba(139,92,246,0.25), transparent 55%);

  box-shadow: 0 0 12px rgba(56,189,248,.28),
              0 0 18px rgba(139,92,246,.25);

  transition: background .15s, box-shadow .2s, transform .12s;
}

.contact-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 22px rgba(56,189,248,.45),
              0 0 30px rgba(139,92,246,.45);

  background: radial-gradient(circle at top left, rgba(56,189,248,.45), transparent 55%),
              radial-gradient(circle at bottom right, rgba(139,92,246,.45), transparent 55%);
}

/* ========================= */
/*          FILTERS          */
/* ========================= */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 16px 0;
  margin-top: 16px;
}

.filter-btn {
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  border: 1px solid rgba(148,163,184,0.5);
  background: transparent;
  color: #e5e7eb;
  cursor: pointer;

  display: inline-flex;
  align-items: center;
  gap: 4px;

  transition: transform 0.08s, background 0.1s, box-shadow 0.08s;
}

.filter-btn span.count {
  opacity: .75;
  font-size: 12px;
}

/* кнопка ВСЕ */
.filter-btn--all {
  border: 1px solid #ffffff;
  color: #ffffff;
}

.filter-btn--all.filter-btn--active {
  background: #ffffff;
  color: #020617;
}

/* цветные теги */
.filter-btn--color {
  --tag-color: #0ea5e9;
  border-color: var(--tag-color);
  color: var(--tag-color);
}

.filter-btn--color.filter-btn--active {
  background: var(--tag-color);
  color: #020617;
}

/* цветовые индексы */
.filter-btn--color[data-color-index="0"] { --tag-color: #0ea5e9; }
.filter-btn--color[data-color-index="1"] { --tag-color: #22c55e; }
.filter-btn--color[data-color-index="2"] { --tag-color: #a855f7; }
.filter-btn--color[data-color-index="3"] { --tag-color: #f97316; }
.filter-btn--color[data-color-index="4"] { --tag-color: #ec4899; }
.filter-btn--color[data-color-index="5"] { --tag-color: #eab308; }
.filter-btn--color[data-color-index="6"] { --tag-color: #38bdf8; }

/* ========================= */
/*      PINTEREST GRID       */
/*  (JS Masonry, no columns) */
/* ========================= */

.grid {
  --grid-gap: 12px;

  padding: 10px 16px 0;
  margin-top: 24px;

  /* ключ: контейнер для absolute карточек */
  position: relative;
}

/* карточка теперь позиционируется JS'ом */
.card {
  position: absolute;
  left: 0 auto;
  top: 0 auto;

  width: 200px; /* JS перезапишет */
  cursor: zoom-in;

  border-radius: 18px;
  overflow: hidden;

  background: radial-gradient(circle at top, rgba(56,189,248,0.35), rgba(15,23,42,1));
  box-shadow: 0 12px 24px rgba(13, 2, 42, 0.8);

  transform: translate3d(0,0,0);
  will-change: transform;

  /* чтобы не мигало до первого layout */
  visibility: hidden;
}

.card.is-measured {
  visibility: visible;
}

.card-inner {
  border-radius: 18px;
  overflow: hidden;
}

/* Медиа */
.card img,
.card video {
  display: block;
  width: 100%;
  height: auto;
}

/* ========================= */
/*     Анимация появления     */
/*  (НЕ трогаем transform card) */
/* ========================= */

/* ВАЖНО: transform карточки занят Masonry (translate3d),
   поэтому анимацию делаем через opacity + легкий scale на inner */
.card.anim-start .card-inner {
  opacity: 0;
  transform: translateY(6px) scale(0.985);
  animation: cardSoftAppear 0.55s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes cardSoftAppear {
  0% {
    opacity: 0;
    transform: translateY(6px) scale(0.985);
  }
  60% {
    opacity: 1;
    transform: translateY(0) scale(1.01);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ========================= */
/*        CASE MODAL         */
/*  media + tags + desc +    */
/*     recommendations       */
/* ========================= */

.casebox__index {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);

  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  color: rgba(229,231,235,0.75);

  pointer-events: none;
}


.casebox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: flex-start;      /* важно: НЕ центрируем по вертикали */
  justify-content: center;
}


.casebox.hidden {
  display: none;
}

.casebox__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.56);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.casebox__panel {
  height: 100vh;
  max-height: 100vh;

  position: relative;
  z-index: 2;
  
  width: min(1100px, 94vw);

  /* ВАЖНО: занимаем весь экран по высоте */
  height: 100dvh;
  max-height: 100dvh;

  /* СКРУГЛЯЕМ ТОЛЬКО ВЕРХ */
  border-radius: 18px 18px 0 0;
  overflow: hidden;

  background: radial-gradient(circle at top, rgba(56,189,248,0.18), rgba(2,4,10,0.98));
  border: none;
  box-shadow: none;

  margin-top: 32px;
}



.casebox__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 12px;
  background: rgba(2,4,10,0.35);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.casebox__back {
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 13px;
  border: 1px solid rgba(148,163,184,0.55);
  background: rgba(2,6,23,0.55);
  color: #e5e7eb;
  cursor: pointer;
  transition: transform 0.08s, opacity 0.12s;
}

.casebox__back:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.casebox__close {
  border-radius: 999px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(148,163,184,0.55);
  background: rgba(2,6,23,0.55);
  color: #e5e7eb;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.casebox__body {
  padding: 0 0 48px; /* ← ВАЖНО: низ */
  overflow-y: auto;
    height: calc(100vh - 64px);
  height: calc(100dvh - 64px);

}

.casebox__panel::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 56px;

  pointer-events: none;

  background: linear-gradient(
    to bottom,
    rgba(2,4,10,0),
    rgba(2,4,10,0.9)
  );
}


.casebox__tags,
.casebox__desc,
.casebox__reco {
  padding-left: 14px;
  padding-right: 14px;
}



.casebox__media {
  border-radius: 0;     /* БЕЗ скруглений */
  background: transparent;
  border: none;
  box-shadow: none;

  max-height: 78vh;
  overflow: hidden;

  display: flex;
  align-items: center;
  justify-content: center;

  position: relative;

}



.casebox__img,
.casebox__video {
  display: block;

  max-width: 100%;
  max-height: 78vh;

  width: auto;
  height: auto;

  object-fit: contain;
}


/* Для длинных скроллов: изображение пусть будет "как есть", а скролл — в контейнере */
.casebox__video {
  display: none;
}

.casebox__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;

  padding-top: 12px;
  padding-bottom: 6px;

  padding-left: 16px;   /* ← нужный отступ */
  padding-right: 16px;
}


.casebox__tag {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.45);
  color: #e5e7eb;
  background: rgba(2,6,23,0.35);
  cursor: pointer;
}

.casebox__desc {
  padding: 10px 2px 6px;
}

.casebox__title {
  font-weight: 700;
  letter-spacing: 0.3px;
  font-size: 18px;
  margin-bottom: 8px;
}

.casebox__text {
  color: rgba(229,231,235,0.92);
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-line;
  padding: 0 12px;
}

.casebox__reco {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.casebox__reco-title {
  font-size: 14px;
  font-weight: 650;
  margin: 0 0 10px 2px;
  opacity: 0.95;
}

/* Рекомендации используют тот же Masonry JS, но с меньшим gap */
.grid--reco {
  --grid-gap: 10px;
  padding: 0;
  margin-top: 0;
}

.grid--reco .card {
  cursor: pointer;
}

.casebox__actions {
  display: flex;
  justify-content: center;
  padding: 14px 0 2px;
}

/* ========================= */
/*          FOOTER           */
/* ========================= */

.footer {
  padding: 24px 16px 32px;
  text-align: center;
  font-size: 12px;
  color: #9ca3af;
}

.footer a {
  color: #9ca3af;
  text-decoration: underline dotted;
}

/* ========================= */
/*         ADAPTIVE          */
/* ========================= */

@media (max-width: 360px) {
  body { min-width: 320px; }
  .logo { width: 72px; }
  .contact-link { font-size: 13px; padding: 8px 14px; }
}

@media (max-width: 640px) {
  .logo { width: 72px; }
  .contact-link { font-size: 12px; }

  .casebox__index {
    left: calc(100% - 64px);
    transform: none;
  }
}



/* iOS/Safari perf guard */
@supports (-webkit-touch-callout: none) {
  .card {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform;
  }

  img,
  video {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
  }
}

/* Casebox loader (all browsers) */
.casebox__loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;

  background: rgba(2,4,10,0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);

  z-index: 2;
  opacity: 1;
  transition: opacity 0.25s ease;
}

.casebox__loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.casebox__spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.25);
  border-top-color: rgba(255,255,255,0.9);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


/* Hover-эффект только для устройств с мышью */
@media (hover: hover) and (pointer: fine) {
  .card {
    transition: box-shadow 0.25s ease;
  }

  .card-inner {
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .card:hover .card-inner {
    transform: scale(1.035);
  }

  .card:hover {
    box-shadow:
      0 28px 60px rgba(0,0,0,0.85),
      inset 0 0 0 1px var(--c-white-muted);
  }
}