/* ============================================================
   Buttons — premium, без glow, минимум радиусов
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.005em;
  border-radius: var(--radius-pill);
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  user-select: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  text-transform: none;
  line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
  box-shadow: 0 4px 14px -4px rgba(184, 65, 14, 0.45);
}
.btn--primary:hover {
  background: var(--c-accent-ink);
  border-color: var(--c-accent-ink);
  box-shadow: 0 8px 20px -4px rgba(184, 65, 14, 0.55);
}

.btn--ink {
  background: var(--c-ink);
  color: #fff;
  border-color: var(--c-ink);
}
.btn--ink:hover {
  background: transparent;
  color: var(--c-ink);
}

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

.btn--accent {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}
.btn--accent:hover {
  background: var(--c-accent-ink);
  border-color: var(--c-accent-ink);
}

.btn--light {
  background: #fff;
  color: var(--c-ink);
  border-color: #fff;
}
.btn--light:hover {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

.btn--link {
  background: transparent;
  color: var(--c-ink);
  border-color: transparent;
  padding: 8px 0;
  border-radius: 0;
  border-bottom: 1px solid var(--c-ink);
}
.btn--link:hover {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}

.btn--sm { padding: 11px 18px; font-size: 12px; }
.btn--lg { padding: 22px 36px; font-size: 15px; }
.btn--block { width: 100%; }

.btn .arrow {
  width: 14px; height: 14px;
  transition: transform var(--duration-base) var(--ease-out);
}
.btn:hover .arrow { transform: translateX(4px); }

/* ============================================================
   Glass — только в sticky-header и попапах (premium)
   ============================================================ */
.glass {
  background: rgba(250, 248, 244, 0.78);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid rgba(10, 11, 13, 0.06);
}

@supports not (backdrop-filter: blur(16px)) {
  .glass { background: rgba(250, 248, 244, 0.96); }
}

/* ============================================================
   Header — magazine-style
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  width: 100%;
  padding: 18px 0;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: padding var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              backdrop-filter var(--duration-base) var(--ease-out);
}
.site-header.is-scrolled {
  padding: 12px 0;
  background: rgba(241, 235, 224, 0.85);
  backdrop-filter: saturate(140%) blur(20px);
  -webkit-backdrop-filter: saturate(140%) blur(20px);
  border-bottom-color: rgba(26, 22, 18, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.025em;
  color: var(--c-ink);
}
.nav__logo img { height: 32px; width: auto; }

.nav__menu {
  display: none;
  gap: 36px;
  align-items: center;
}
.nav__menu a {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-ink-muted);
  position: relative;
  letter-spacing: -0.005em;
}
.nav__menu a:hover { color: var(--c-ink); }
.nav__menu a.is-active { color: var(--c-ink); }
.nav__menu a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 1px;
  background: var(--c-ink);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav__phone {
  display: none;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
  color: var(--c-ink);
  letter-spacing: -0.005em;
}
.nav__phone svg { color: var(--c-ink-muted); }

.nav__burger {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  border-radius: 4px;
}
.nav__burger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--c-ink);
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-base) var(--ease-out);
}
.nav__burger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

@media (min-width: 1024px) {
  .nav__menu { display: flex; }
  .nav__phone { display: inline-flex; align-items: center; gap: 8px; }
  .nav__burger { display: none; }
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0 0 0 0;
  top: 64px;
  background: var(--c-bg);
  z-index: calc(var(--z-sticky) - 1);
  padding: 40px 24px;
  transform: translateY(-110%);
  transition: transform var(--duration-base) var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  color: var(--c-ink);
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
  letter-spacing: -0.035em;
  line-height: 1;
}
.mobile-menu .nav__phone-mobile {
  margin-top: 32px;
  font-size: 22px;
  border-bottom: 0;
}

/* ============================================================
   Cards — hairline, никаких heavy shadows
   ============================================================ */
.card {
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}
.card:hover {
  border-color: var(--c-line-strong);
}

.card__media {
  aspect-ratio: 4 / 3;
  background: var(--c-bg-warm);
  overflow: hidden;
  position: relative;
}
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.card:hover .card__media img { transform: scale(1.03); }

.card__body { padding: 28px; }
.card__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin-bottom: 8px;
}
.card__text {
  font-size: 14px;
  line-height: 1.55;
  color: var(--c-ink-muted);
  margin-bottom: 22px;
}
.card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
  color: var(--c-ink);
  border-bottom: 1px solid var(--c-ink);
  padding-bottom: 2px;
}
.card__link::after {
  content: "→";
  transition: transform var(--duration-fast) var(--ease-out);
}
.card:hover .card__link::after { transform: translateX(4px); }

/* ============================================================
   Forms — minimal, hairline
   ============================================================ */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field label {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-ink);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.form-field input,
.form-field textarea,
.form-field select {
  padding: 14px 16px;
  border: 1px solid var(--c-line-strong);
  background: var(--c-bg-elevated);
  font-size: 15px;
  font-family: var(--font-text);
  color: var(--c-ink);
  border-radius: var(--radius-sm);
  width: 100%;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--c-ink-soft);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-soft);
}
.form-field textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  gap: 18px;
}
@media (min-width: 640px) {
  .form-row.cols-2 { grid-template-columns: 1fr 1fr; }
  .form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}

.form-note {
  font-size: 12px;
  color: var(--c-ink-soft);
  line-height: 1.5;
}
.form-note a { color: var(--c-ink-muted); text-decoration: underline; }

/* ============================================================
   Modal — premium, lift
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 11, 13, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
}
.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--c-bg-elevated);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-modal);
  transform: scale(0.96);
  transition: transform var(--duration-base) var(--ease-out);
  position: relative;
}
.modal-backdrop.is-open .modal { transform: scale(1); }
.modal__close {
  position: absolute;
  top: 18px; right: 18px;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-ink-muted);
  transition: color var(--duration-fast);
}
.modal__close:hover { color: var(--c-ink); }
.modal__title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 10px;
}
.modal__subtitle {
  font-size: 14px;
  color: var(--c-ink-muted);
  margin-bottom: 32px;
  line-height: 1.55;
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--c-ink);
  color: #fff;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base), transform var(--duration-base);
  z-index: var(--z-toast);
}
.toast.is-shown {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.is-success { background: var(--c-success); }
.toast.is-error { background: var(--c-danger); }

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 900ms var(--ease-out),
              transform 900ms var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 100ms; }
.reveal[data-delay="2"] { transition-delay: 200ms; }
.reveal[data-delay="3"] { transition-delay: 300ms; }
.reveal[data-delay="4"] { transition-delay: 400ms; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--c-graphite);
  color: rgba(232, 229, 222, 0.62);
  padding: 96px 0 32px;
}
.site-footer h4 {
  color: rgba(255,255,255,0.95);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 500;
  margin-bottom: 22px;
  font-family: var(--font-text);
}
.site-footer a { color: rgba(232, 229, 222, 0.62); transition: color var(--duration-fast); }
.site-footer a:hover { color: #fff; }
.site-footer__grid {
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr;
}
.site-footer__brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  color: #fff;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-footer__brand img { height: 34px; filter: brightness(0) invert(1); }
.site-footer__about p {
  color: rgba(232, 229, 222, 0.55);
  font-size: 13px;
  line-height: 1.65;
  margin-bottom: 22px;
  max-width: 320px;
}
.site-footer__nav ul { display: flex; flex-direction: column; gap: 12px; }
.site-footer__nav li a { font-size: 14px; }

.site-footer__bottom {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: space-between;
  align-items: flex-start;
  font-size: 12px;
  color: rgba(232, 229, 222, 0.35);
}
.site-footer__bottom a { color: rgba(232, 229, 222, 0.45); font-size: 12px; }

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
  }
  .site-footer__bottom {
    flex-direction: row;
    align-items: center;
  }
}

/* ============================================================
   Breadcrumbs
   ============================================================ */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--c-ink-muted);
  padding: 32px 0 0;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.breadcrumbs a { color: var(--c-ink-muted); }
.breadcrumbs a:hover { color: var(--c-ink); }
.breadcrumbs span.sep { opacity: 0.4; }
.breadcrumbs .current { color: var(--c-ink); }

/* ============================================================
   Page hero (small, для внутренних)
   ============================================================ */
.page-hero {
  padding: 60px 0 70px;
  position: relative;
}
.page-hero .eyebrow { margin-bottom: 24px; }
.page-hero h1 {
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 16ch;
  line-height: 1.02;
}
.page-hero p {
  font-size: clamp(16px, 1.3vw, 19px);
  max-width: 56ch;
  color: var(--c-ink-muted);
  line-height: 1.55;
}
@media (min-width: 1024px) {
  .page-hero { padding: 80px 0 100px; }
}

/* ============================================================
   Stat row — premium cards с тёплым фоном
   ============================================================ */
.stat-row {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .stat-row { grid-template-columns: repeat(4, 1fr); }
}
.stat-row__item {
  padding: 36px 28px;
  background: var(--c-bg-elevated);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background var(--duration-base);
}
.stat-row__item:hover { background: var(--c-bg-cream); }
.stat-row__num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(40px, 5vw, 56px);
  letter-spacing: -0.035em;
  color: var(--c-ink);
  display: block;
  line-height: 1;
}
.stat-row__num span { color: var(--c-accent); font-weight: 600; }
.stat-row__label {
  font-size: 13px;
  color: var(--c-ink-muted);
  line-height: 1.5;
  font-weight: 500;
}

/* ============================================================
   Pricing table base
   ============================================================ */
.price-table {
  width: 100%;
  border-collapse: collapse;
}
.price-table tr { border-bottom: 1px solid var(--c-line); }
.price-table tr:last-child { border-bottom: 0; }
.price-table td {
  padding: 18px 8px;
  font-size: 14px;
  vertical-align: middle;
}

/* ============================================================
   Section frame — каркас секции
   ============================================================ */
.section-frame {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
  margin-bottom: 80px;
}
@media (min-width: 900px) {
  .section-frame {
    grid-template-columns: 1fr 1.6fr;
    gap: 60px;
    align-items: start;
  }
}
.section-frame__meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 100px;
}
.section-frame__title {
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.04;
}
.section-frame__body p { font-size: 16px; line-height: 1.6; }
.section-frame__body p + p { margin-top: 18px; }