/* Minimal White — "Чистый минимализм" v3 (mobile-perfect) */
:root {
  --t-bg: #FFFFFF;
  --t-bg-alt: #F5F5F5;
  --t-text: #111111;
  --t-text-muted: #666666;
  --t-accent: #111111;
  --t-accent-hover: #333333;
  --t-surface: #F5F5F5;
  --t-border: #E5E5E5;
  --t-gold: #999999;
  --t-font-heading: 'Space Grotesk', sans-serif;
  --t-font-body: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

/* ---- Nav scrolled shadow ---- */
.nav-scrolled { box-shadow: 0 1px 20px rgba(0,0,0,0.06); }

/* ---- Section divider line ---- */
.section-line {
  width: 40px;
  height: 2px;
  background: var(--t-text);
  margin: 1rem auto 0;
}

/* ---- Portfolio 2-column grid ---- */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}
.portfolio-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s;
}
.portfolio-item:nth-child(1) { background: linear-gradient(135deg, #E5E5E5, #D0D0D0); }
.portfolio-item:nth-child(2) { background: linear-gradient(135deg, #D5D5D5, #C0C0C0); }
.portfolio-item:nth-child(3) { background: linear-gradient(135deg, #EBEBEB, #DADADA); }
.portfolio-item:nth-child(4) { background: linear-gradient(135deg, #C8C8C8, #B0B0B0); }
.portfolio-item:nth-child(5) { background: linear-gradient(135deg, #DDD, #CCC); }
.portfolio-item:nth-child(6) { background: linear-gradient(135deg, #F0F0F0, #E0E0E0); }
.portfolio-item:hover { opacity: 0.85; }

/* ---- Price rows with dotted line ---- */
.price-row-minimal {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--t-border);
}
.price-row-minimal:last-child { border-bottom: none; }
.price-dots {
  flex: 1;
  border-bottom: 2px dotted var(--t-border);
  min-width: 2rem;
  margin-bottom: 0.3rem;
}

/* ---- FAQ minimal with "+" icon ---- */
.faq-minimal summary {
  cursor: pointer;
  padding: 1rem 1.25rem;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
  min-height: 48px;
  font-size: 0.95rem;
}
.faq-minimal summary:hover { background: var(--t-surface); }
.faq-minimal summary::-webkit-details-marker { display: none; }
.faq-plus {
  font-size: 1.25rem;
  font-weight: 300;
  flex-shrink: 0;
  margin-left: 0.5rem;
  transition: transform 0.3s;
  font-family: var(--t-font-heading);
  color: var(--t-text);
}
.faq-minimal[open] summary .faq-plus { transform: rotate(45deg); }

/* ---- Floating desktop CTA ---- */
.floating-cta a {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 15px rgba(0,0,0,0.12);
  transition: transform 0.3s;
}
.floating-cta a:hover { transform: scale(1.1); }

/* ==========================================
   MOBILE (max-width: 767px)
   ========================================== */
@media (max-width: 767px) {
  /* Sticky CTA bar bottom */
  .mobile-cta-bar {
    display: flex !important;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 55;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.625rem 0.75rem;
    padding-bottom: calc(0.625rem + env(safe-area-inset-bottom, 0px));
    gap: 0.5rem;
    border-top: 1px solid var(--t-border);
    box-shadow: 0 -2px 20px rgba(0,0,0,0.04);
  }
  .mobile-cta-bar a {
    flex: 1;
    text-align: center;
    padding: 0.75rem;
    border-radius: 0;
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
  }

  /* Hide floating desktop buttons */
  .floating-cta { display: none !important; }

  /* Body padding for sticky bar */
  body { padding-bottom: calc(3.5rem + env(safe-area-inset-bottom, 0px)); }

  /* FAQ smaller padding */
  .faq-minimal summary { padding: 0.875rem 1rem; font-size: 0.875rem; }
}

/* ==========================================
   SMALL SCREENS (max-width: 480px)
   ========================================== */
@media (max-width: 480px) {
  .price-row-minimal { gap: 0.5rem; }
}