/* ============================================================
   sections.css — секции страницы
   ============================================================ */

/* ---------- HERO ---------- */

.hero {
  padding-block: clamp(64px, 11vw, 140px) clamp(72px, 10vw, 130px);
  position: relative;
  background:
    radial-gradient(1100px 520px at 88% -10%, rgba(154, 56, 37, 0.07), transparent 62%),
    var(--paper);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
}

.hero-copy h1 {
  margin-bottom: clamp(20px, 2.6vw, 30px);
  max-width: 15ch;
}

.hero-lead {
  max-width: 52ch;
  font-size: clamp(1.02rem, 0.5vw + 0.9rem, 1.18rem);
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(30px, 3.6vw, 44px);
}

.hero-tags {
  margin-top: clamp(36px, 4vw, 52px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Печать-кольцо */

.hero-seal {
  position: relative;
  justify-self: center;
  width: min(100%, 340px);
  aspect-ratio: 1;
}

.seal-ring {
  position: absolute;
  inset: 0;
  animation: seal-spin 46s linear infinite;
}

.seal-ring svg {
  width: 100%;
  height: 100%;
}

.seal-text {
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.36em;
  fill: var(--ink-faint);
  text-transform: uppercase;
}

@keyframes seal-spin {
  to { transform: rotate(360deg); }
}

.seal-core {
  position: absolute;
  inset: 21%;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--paper-soft);
}

.seal-core span {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  color: var(--ink);
}

.seal-icon {
  display: none;
}

/* ---------- НАПРАВЛЕНИЯ (карточки) ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  background: var(--paper);
  padding: clamp(26px, 3vw, 38px);
  transition: background-color 0.3s var(--ease);
}

.service-card:hover {
  background: var(--card);
}

.card-index {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: clamp(40px, 6vw, 72px);
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ---------- СИТУАЦИИ (редакционная врезка) ---------- */

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 7vw, 110px);
}

.split-intro {
  position: sticky;
  top: calc(var(--header-h) + 32px);
  align-self: start;
}

.split-note {
  margin-top: clamp(16px, 2vw, 24px);
  color: var(--ink-soft);
  max-width: 40ch;
}

.situations-list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: baseline;
  padding-block: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--line);
}

.situations-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.situations-list .num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--accent);
}

.situations-list p {
  font-size: clamp(1.02rem, 0.5vw + 0.9rem, 1.15rem);
  max-width: 46ch;
}

/* ---------- ПОДХОД (темная секция) ---------- */

.section-dark {
  background:
    radial-gradient(900px 480px at 12% -20%, rgba(154, 56, 37, 0.16), transparent 60%),
    var(--coal);
  color: var(--paper-on-dark);
}

.section-dark .section-lead {
  color: var(--ink-on-dark);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(24px, 3vw, 44px);
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 26px;
  border-top: 1px solid var(--line-on-dark);
}

.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--accent-on-dark);
  margin-bottom: 18px;
}

.step h3 {
  color: var(--paper-on-dark);
  margin-bottom: 12px;
}

.step p {
  color: var(--ink-on-dark);
  font-size: 0.95rem;
}

/* ---------- О КОМПАНИИ ---------- */

.about-layout {
  max-width: 900px;
}

.about-title {
  max-width: 24ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.about-text {
  max-width: 62ch;
  font-size: clamp(1.05rem, 0.6vw + 0.92rem, 1.3rem);
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- КОНСУЛЬТАЦИЯ ---------- */

.section-consult {
  background: var(--paper-soft);
  border-top: 1px solid var(--line);
}

.consult-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(44px, 7vw, 110px);
  align-items: start;
}

.consult-info h2 {
  max-width: 18ch;
  margin-bottom: clamp(16px, 2vw, 24px);
}

.consult-lead {
  color: var(--ink-soft);
  max-width: 48ch;
}

.contact-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: clamp(32px, 4vw, 52px);
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.contact-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.contact-value {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 0.6vw + 0.9rem, 1.25rem);
}

.consult-form-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: clamp(28px, 4vw, 48px);
  box-shadow: var(--shadow-card);
}

.form-note {
  margin-top: 14px;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--ink-faint);
}

/* ---------- FOOTER ---------- */

.site-footer {
  background: var(--coal);
  color: var(--paper-on-dark);
  padding-block: clamp(48px, 6vw, 72px) 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(32px, 4vw, 48px);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.footer-sub {
  margin-top: 10px;
  max-width: 30ch;
  color: var(--ink-on-dark);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.footer-nav a {
  font-size: 0.9rem;
  color: var(--ink-on-dark);
  transition: color 0.2s var(--ease);
}

.footer-nav a:hover {
  color: var(--accent-on-dark);
}

.footer-address {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-on-dark);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line-on-dark);
  font-size: 0.78rem;
  color: var(--ink-on-dark);
}

.footer-demo {
  opacity: 0.72;
}

/* ============================================================
   Адаптивность
   ============================================================ */

@media (max-width: 1024px) {

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

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 44px;
  }

  .split-intro {
    position: static;
  }
}

@media (max-width: 860px) {

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

  .hero-copy h1 {
    max-width: none;
  }

  .hero-seal {
    display: none;
  }

  .split-layout,
  .consult-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* Мобильное меню */
  .burger {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 24px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -24px rgba(29, 27, 23, 0.3);
    display: none;
  }

  .site-header.nav-open .site-nav {
    display: flex;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav ul li {
    border-bottom: 1px solid var(--line);
  }

  .site-nav ul a {
    display: block;
    padding: 16px 0;
    font-size: 1rem;
  }

  .site-nav ul a::after {
    display: none;
  }

  .btn-nav {
    margin-top: 20px;
    width: 100%;
  }
}

@media (max-width: 560px) {

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

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

  .situations-list li {
    grid-template-columns: 44px 1fr;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .seal-ring {
    animation: none;
  }

  .service-card {
    transition: none;
  }
}