/* ============================================================
   KAMEN — responsive.css
   Mobile — не уменьшенный desktop: перестроенный layout
   ============================================================ */

/* ---------- DESKTOP LARGE ---------- */
@media (min-width: 1920px) {
  :root {
    --container: 1640px;
  }
}

/* ---------- TABLET / SMALL DESKTOP (<= 1200) ---------- */
@media (max-width: 1200px) {
  .main-nav {
    gap: 16px;
  }

  .main-nav a {
    font-size: 0.74rem;
  }

  .header-cta {
    display: none;
  }

  .stages-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .elements-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 40px;
  }

  .masonry-item--wide {
    grid-column: span 6;
  }

  .masonry-item--tall {
    grid-column: span 6;
    aspect-ratio: 4 / 3;
  }

  .masonry-item--half {
    grid-column: span 6;
  }

  .cycle-sticky {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 40px;
  }

  .cycle-visual {
    position: static;
    aspect-ratio: 16 / 9;
    max-height: 46vh;
  }

  .prod-step {
    grid-template-columns: 1fr;
    gap: 36px;
    align-content: center;
  }

  .prod-step__img {
    aspect-ratio: 16 / 9;
    max-height: 44vh;
  }

  .prod-story .prod-step {
    min-height: auto;
    padding-block: clamp(48px, 8vw, 80px);
  }

  .founder-grid {
    grid-template-columns: 280px 1fr;
  }
}

/* ---------- MOBILE MENU BREAKPOINT (<= 992) ---------- */
@media (max-width: 992px) {
  :root {
    --header-h: 76px;
  }

  .main-nav {
    display: none;
  }

  .burger {
    display: flex;
  }

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

  .site-header.on-dark:not(.scrolled):not(.menu-open) {
    color: #F5F1E9;
  }

  .cnc-stage {
    grid-template-columns: 1fr;
  }

  .cnc-steps {
    align-self: auto; /* на мобильных шаги идут друг за другом */
    justify-content: flex-start;
  }

  .cnc-visual {
    max-width: 480px;
  }

  .ba-wrap {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contacts-grid {
    grid-template-columns: 1fr;
  }

  .form {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .founder-grid {
    grid-template-columns: 1fr;
  }

  .founder-grid figure {
    max-width: 380px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid button:nth-child(1),
  .gallery-grid button:nth-child(6) {
    grid-column: span 2;
    aspect-ratio: 16 / 9;
  }

  .mobile-cta {
    display: grid;
  }

  body {
    padding-bottom: 54px;
  }

  /* место под sticky CTA */
}

/* ---------- MOBILE (<= 767) ---------- */
@media (max-width: 767px) {
  :root {
    --gutter: 20px;
    --section-gap: 72px;
    --fs-display: clamp(2.6rem, 13vw, 4rem);
  }

  .hero {
    min-height: 100svh;
    align-items: flex-end;
  }

  .hero__content {
    padding-bottom: 96px;
  }

  .hero__sub {
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    justify-content: center;
  }

  .hero__bar {
    bottom: 18px;
    gap: 14px;
    font-size: 0.6rem;
  }

  .hero__bar .hero-frac {
    display: none;
  }

  .timeline {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }

  .stages-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  .stage-card {
    aspect-ratio: 3 / 3.6;
  }

  .stage-card__desc {
    display: none;
  }

  .materials-grid {
    grid-template-columns: 1fr;
  }

  .elements-grid {
    grid-template-columns: 1fr 1fr;
  }

  .element-card {
    aspect-ratio: 1 / 1.15;
  }

  .element-card__caption {
    padding: 14px;
    font-size: 0.95rem;
  }

  .project-slide__img {
    aspect-ratio: 4 / 3;
  }

  .project-slide__meta {
    padding: 16px 18px;
  }

  .slider-controls {
    margin-top: 20px;
  }

  .slider-btn {
    width: 46px;
    height: 46px;
  }

  .ba-slider {
    aspect-ratio: 4 / 3;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .team-row {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
  }

  .team-row figure:nth-child(3) {
    display: none;
  }

  /* 2 фото в ряд на mobile */

  .cycle-step {
    grid-template-columns: 48px 1fr;
    padding: 14px 0;
  }

  .cycle-step__desc {
    display: none;
  }

  .cycle-visual {
    aspect-ratio: 4 / 3;
  }

  .cta-section {
    min-height: 74svh;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .page-hero {
    min-height: 58svh;
  }

  .masonry {
    grid-template-columns: 1fr;
  }

  .masonry-item--wide,
  .masonry-item--tall,
  .masonry-item--half {
    grid-column: 1 / -1;
    aspect-ratio: 4 / 3;
  }

  .spec-table {
    grid-template-columns: 1fr 1fr;
  }

  .work-list {
    grid-template-columns: 1fr;
  }

  .contacts-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .map-wrap {
    aspect-ratio: 4 / 3;
  }

  .filters {
    gap: 8px;
  }

  .filter-btn {
    padding: 9px 14px;
    font-size: 0.68rem;
  }

  .mobile-menu nav a {
    font-size: 1.7rem;
  }
}

/* ---------- SMALL MOBILE (<= 380) ---------- */
@media (max-width: 380px) {
  .elements-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- NEW BLOCKS ---------- */
@media (max-width: 1200px) {
  .equipment-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .finishes-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .equipment-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .finishes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .equipment-grid {
    grid-template-columns: 1fr;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .finishes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero__media img {
    transform: none !important;
  }

  .page-transition {
    display: none !important;
  }

  .cursor-dot,
  .cursor-ring {
    display: none !important;
  }
}