/* ==========================================================================
   LANDING.CSS — общие компоненты для index.html и всех 10 посадочных
   ========================================================================== */

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container--narrow {
  max-width: var(--max-w-narrow);
}

.section {
  padding: var(--space-9) 0;
}

@media (max-width: 720px) {
  .section {
    padding: var(--space-7) 0;
  }
}

/* --- Preloader --- */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease;
}

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

.preloader__count {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 2rem);
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.preloader__count strong {
  color: var(--text);
  font-weight: 700;
}

/* --- Grain overlay --- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.85'/></svg>");
  animation: grain 8s steps(8) infinite;
}

@keyframes grain {
  0%,
  100% {
    transform: translate(0, 0);
  }
  10% {
    transform: translate(-5%, -10%);
  }
  20% {
    transform: translate(-15%, 5%);
  }
  30% {
    transform: translate(7%, -25%);
  }
  40% {
    transform: translate(-5%, 25%);
  }
  50% {
    transform: translate(-15%, 10%);
  }
  60% {
    transform: translate(15%, 0%);
  }
  70% {
    transform: translate(0%, 15%);
  }
  80% {
    transform: translate(3%, 35%);
  }
  90% {
    transform: translate(-10%, 10%);
  }
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(10, 10, 12, 0.7);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  max-width: var(--max-w);
  margin: 0 auto;
}

.site-header__brand {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.site-header__logo-tail {
  color: inherit;
}

.site-header__logo-dot {
  color: var(--accent);
}

.site-header__back {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.site-header__back:hover {
  color: var(--text);
}

.site-header__back--strong {
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
}

.site-header__back--strong:hover {
  color: var(--accent, #fff);
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: var(--space-9) 0 var(--space-8);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    var(--accent-soft) 0%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 980px;
}

.hero__eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-5);
  letter-spacing: 0.04em;
}

.hero__title {
  margin-bottom: var(--space-5);
}

.hero__title em {
  color: var(--accent);
  font-style: normal;
}

.hero__lead {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: var(--space-6);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-7);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.stat__label {
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--text);
  color: var(--bg);
}

.btn--primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--accent {
  background: var(--accent);
  color: var(--bg);
}

.btn--accent:hover {
  background: var(--text);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 18px 32px;
  font-size: 1rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* --- Filters --- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.filter-btn {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.filter-btn:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.filter-btn--active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* --- Project grid --- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-5);
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}

.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.project-card__media {
  aspect-ratio: 16 / 10;
  background: var(--bg-elev);
  position: relative;
  overflow: hidden;
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__media img {
  transform: scale(1.04);
}

.project-card__media--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(
    135deg,
    var(--bg-elev) 0%,
    var(--bg-card-hover) 100%
  );
}

.project-card__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #000;
}

.project-card__play {
  position: absolute;
  inset: auto auto 12px 12px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: rgba(10, 10, 12, 0.62);
  color: #fff;
  font-size: 16px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background var(--transition-base), transform var(--transition-base), opacity var(--transition-base);
  z-index: 2;
}

.project-card__play:hover {
  background: rgba(200, 162, 91, 0.92);
  color: #0a0a0c;
  transform: scale(1.06);
}

.project-card__media--video.is-playing .project-card__play {
  opacity: 0;
  pointer-events: none;
}

.project-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.project-card__category {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.project-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.project-card__effect {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex: 1;
}

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.project-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

.project-card__cta::after {
  content: "→";
  transition: transform var(--transition);
}

.project-card:hover .project-card__cta::after {
  transform: translateX(4px);
}

.project-card__live {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--accent, #c8a25b);
  border: 1px solid var(--accent, #c8a25b);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  white-space: nowrap;
  user-select: none;
}

.project-card__live:hover,
.project-card__live:focus-visible {
  background: var(--accent, #c8a25b);
  color: #0a0a0c;
  outline: none;
  transform: translateY(-1px);
}

/* --- Filter visibility --- */
.project-card.is-hidden {
  display: none;
}

/* --- Section heading --- */
.section-title {
  margin-bottom: var(--space-3);
}

.section-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: var(--space-7);
  max-width: 640px;
}

/* --- CTA section (final) --- */
.cta-final {
  text-align: center;
  padding: var(--space-9) var(--space-5);
  background: var(--bg-elev);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: "";
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
}

.cta-final__inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.cta-final__title {
  margin-bottom: var(--space-4);
}

.cta-final__lead {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  margin-bottom: var(--space-6);
}

.cta-final .btn-row {
  justify-content: center;
}

/* --- Posadochnaya: hero --- */
.case-hero {
  padding: var(--space-9) 0 var(--space-7);
}

.case-hero__pain {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
  padding: 6px 14px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-pill);
}

.case-hero__title {
  margin-bottom: var(--space-5);
  max-width: 920px;
}

.case-hero__lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: var(--space-6);
}

/* --- Posadochnaya: blocks --- */
.case-block {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--border);
}

.case-block__label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--space-3);
}

.case-block__title {
  margin-bottom: var(--space-5);
  max-width: 720px;
}

.case-block__lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: var(--space-6);
}

/* Screens grid */
.screens {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.screen {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--bg-elev) 0%, var(--bg-card-hover) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  overflow: hidden;
}

.screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Effects (large numbers) */
.effects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.effect {
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.effect__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin-bottom: var(--space-2);
  line-height: 1;
}

.effect__label {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Steps (3 шага) */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-5);
  counter-reset: step;
}

.step {
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: var(--space-3);
  line-height: 1;
}

.step__title {
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
}

.step__text {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Related cases */
.related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.related-card {
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.related-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.related-card__category {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-2);
}

.related-card__title {
  font-size: 1.05rem;
  margin-bottom: var(--space-2);
}

.related-card__effect {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-6) 0 var(--space-5);
  margin-top: var(--space-8);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-dim);
  font-size: 0.9rem;
}

.site-footer__contacts {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.site-footer__contacts a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.site-footer__contacts a:hover {
  color: var(--accent);
}

/* --- Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Misc helpers (CMS-driven content) --- */
.grid-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-muted);
  padding: var(--space-7) 0;
}

.grid-empty a {
  color: var(--accent);
  text-decoration: underline;
}

.project-card__draft {
  display: inline-block;
  margin-left: var(--space-2);
  padding: 2px 8px;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  background: rgba(96, 165, 250, 0.15);
  color: var(--info);
  vertical-align: middle;
}

.draft-flag {
  display: block;
  text-align: center;
  padding: var(--space-3);
  background: rgba(96, 165, 250, 0.1);
  color: var(--info);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.site-footer__admin {
  opacity: 0.6;
}
.site-footer__admin:hover {
  opacity: 1;
  color: var(--accent);
}

/* --- Mobile tweaks --- */
@media (max-width: 720px) {
  .container {
    padding: 0 var(--space-4);
  }
  .hero {
    padding: var(--space-7) 0 var(--space-6);
  }
  .case-block {
    padding: var(--space-6) 0;
  }
  .btn-row {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
}