/* ==========================================================================
   Растаможка — Shared Styles
   Editorial minimalist · Fraunces + Instrument Sans + JetBrains Mono
   ========================================================================== */

:root {
  --bone: #F4F1EA;
  --cream: #FAF7F1;
  --surface: #FFFFFF;
  --ink: #141413;
  --ink-soft: #4A4742;
  --ink-muted: #8A867E;
  --line: #D8D3C7;
  --line-soft: #E8E3D7;
  --oxblood: #8B2E2E;
  --oxblood-dark: #6B1F1F;
  --oxblood-soft: #A8514F;
}

* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

html { scroll-behavior: smooth; }

body {
  background: var(--bone);
  color: var(--ink);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

/* ---- Grain texture overlay ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- Typography ---- */
.font-display { font-family: 'Fraunces', serif; font-optical-sizing: auto; }
.font-mono { font-family: 'JetBrains Mono', monospace; }

h1, h2, h3, h4 {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  letter-spacing: -0.025em;
  font-optical-sizing: auto;
}

.label-mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ---- Meta strip (editorial section header) ---- */
.meta-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---- Navigation ---- */
.nav-link {
  position: relative;
  transition: color 0.3s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--oxblood);
  transition: width 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}
.nav-link:hover { color: var(--oxblood); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--ink); }
.nav-link.active::after { background: var(--ink); }

/* ---- Form elements ---- */
.field {
  position: relative;
  padding: 0.25rem 0 0.85rem 0;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.3s;
}
.field:focus-within { border-bottom-color: var(--oxblood); }

.field-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.65rem;
}
.field-label .num { color: var(--line); }

.field-input, .field-select, .field-textarea {
  background: transparent;
  border: none;
  padding: 0;
  font-family: 'Fraunces', serif;
  font-size: 1.35rem;
  color: var(--ink);
  width: 100%;
  outline: none;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.field-textarea {
  font-size: 1rem;
  font-family: 'Instrument Sans', sans-serif;
  min-height: 80px;
  resize: vertical;
  line-height: 1.55;
}

.field-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%23141413'%3E%3Cpath d='M2 4.5l4 4 4-4' stroke-width='1'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.25rem center;
  background-size: 11px;
  padding-right: 1.75rem;
  cursor: pointer;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.05rem 1.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--bone);
  border: 1px solid var(--ink);
  transition: all 0.35s cubic-bezier(0.65, 0, 0.35, 1);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn:hover {
  background: var(--oxblood);
  border-color: var(--oxblood);
  color: var(--cream);
}
.btn svg { transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1); flex-shrink: 0; }
.btn:hover svg { transform: translate(3px, -3px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover {
  background: transparent;
  color: var(--oxblood);
  border-color: var(--oxblood);
}

.btn-full { width: 100%; justify-content: space-between; }

/* ---- Marquee ---- */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.25rem 0;
  background: var(--cream);
}
.marquee-track {
  display: flex;
  gap: 0;
  white-space: nowrap;
  width: max-content;
  animation: marquee 55s linear infinite;
}
.marquee-track > * {
  display: inline-flex;
  align-items: center;
  padding: 0 2rem;
}
.marquee-track em {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ink);
  font-weight: 300;
}
.marquee-track span {
  color: var(--oxblood);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---- Reveal animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1), transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1), transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}
.stagger.in > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0s; }
.stagger.in > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.08s; }
.stagger.in > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.16s; }
.stagger.in > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.24s; }
.stagger.in > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.32s; }
.stagger.in > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.40s; }
.stagger.in > *:nth-child(7) { opacity: 1; transform: translateY(0); transition-delay: 0.48s; }
.stagger.in > *:nth-child(8) { opacity: 1; transform: translateY(0); transition-delay: 0.56s; }

/* ---- Hero entry ---- */
.hero-el { opacity: 0; transform: translateY(24px); animation: hero-in 1.3s cubic-bezier(0.22, 1, 0.36, 1) forwards; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.45s; }
.delay-3 { animation-delay: 0.7s; }
.delay-4 { animation-delay: 0.9s; }
@keyframes hero-in { to { opacity: 1; transform: translateY(0); } }

/* ---- FAQ Accordion ---- */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.65rem 0;
  cursor: pointer;
  font-family: 'Fraunces', serif;
  font-size: 1.3rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  gap: 2rem;
  transition: color 0.3s;
  text-align: left;
  width: 100%;
  background: none;
  border: none;
}
.faq-question:hover { color: var(--oxblood); }
.faq-toggle {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  position: relative;
}
.faq-toggle::before, .faq-toggle::after {
  content: '';
  position: absolute;
  background: currentColor;
  transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}
.faq-toggle::before { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }
.faq-toggle::after { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); }
.faq-item.open .faq-toggle::after { transform: translateX(-50%) scaleY(0); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  color: var(--ink-soft);
  line-height: 1.7;
  font-size: 1rem;
}
.faq-answer-inner { padding: 0 0 1.65rem 0; max-width: 62ch; }
.faq-item.open .faq-answer { max-height: 480px; }

/* ---- Result display ---- */
.result-number {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  letter-spacing: -0.045em;
  line-height: 0.95;
  font-optical-sizing: auto;
  font-size: clamp(3.2rem, 8vw, 6.8rem);
}

/* ---- Mobile menu ---- */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.mobile-menu.open { max-height: 400px; }

/* ---- Utility ---- */
hr.rule { border: none; border-top: 1px solid var(--line); margin: 0; }

a.inline-link {
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  transition: color 0.3s, border-color 0.3s;
  padding-bottom: 1px;
}
a.inline-link:hover { color: var(--oxblood); border-bottom-color: var(--oxblood); }

/* Drop cap */
.drop-cap::first-letter {
  font-family: 'Fraunces', serif;
  font-size: 4.5rem;
  line-height: 0.85;
  float: left;
  padding-right: 0.85rem;
  padding-top: 0.4rem;
  color: var(--oxblood);
  font-weight: 300;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb { background: var(--line); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-muted); }

::selection { background: var(--oxblood); color: var(--cream); }

/* ---- Focus ring ---- */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--oxblood);
  outline-offset: 3px;
}

/* ---- Decorative square ---- */
.sq {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--oxblood);
  vertical-align: middle;
  margin: 0 0.6rem;
  transform: translateY(-2px);
}

/* ---- Card ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2rem;
  transition: border-color 0.3s, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
  .faq-question { font-size: 1.1rem; padding: 1.35rem 0; }
  .field-input, .field-select { font-size: 1.15rem; }
  .meta-strip { font-size: 0.6rem; letter-spacing: 0.15em; }
}