/* ══════════════════════════════════════════
   ЭЛЕВАТ · Global Styles
   Design: Institutional Minimalist
   Palette: Warm Ivory + Charcoal
══════════════════════════════════════════ */

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #F5F4EF;
  --bg-alt:     #EFEDE6;
  --ink:        #201F1A;
  --ink-muted:  #6B6960;
  --ink-faint:  #B0AFA8;
  --accent:     #201F1A;
  --line:       rgba(32,31,26,.12);
  --sp-xs:      .5rem;
  --sp-sm:      1rem;
  --sp-md:      2rem;
  --sp-lg:      4rem;
  --sp-xl:      7rem;
  --radius:     .75rem;
  --radius-lg:  1.5rem;
  --nav-h:      88px;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --ease:       cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ─── Utility ─── */
.section {
  padding-block: var(--sp-xl);
  position: relative;
  overflow: hidden;
}

.section-head {
  margin-bottom: 4rem;
}

.section-eyebrow {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: .75rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--ink);
}

.section-sub {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: var(--ink-muted);
  max-width: 540px;
}
.section-sub a { border-bottom: 1px solid var(--ink-muted); }
.section-sub a:hover { color: var(--ink); border-color: var(--ink); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: 2rem;
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .15s var(--ease), box-shadow .2s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: #3c3b34;
  box-shadow: 0 4px 18px rgba(32,31,26,.22);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover {
  background: rgba(32,31,26,.06);
  border-color: var(--ink);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
  font-weight: 500;
}
.btn-outline:hover {
  background: var(--ink);
  color: var(--bg);
}

.btn-nav {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  font-size: .82rem;
  padding: .6rem 1.2rem;
}
.btn-nav:hover { background: #3c3b34; }

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

.btn-arrow { transition: transform .2s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ═══════════════════════════════════════
   NAVIGATION
═══════════════════════════════════════ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(245,244,239,.90);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
#header.scrolled { box-shadow: 0 2px 24px rgba(32,31,26,.08); }

.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  max-height: 64px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: .25rem;
  margin-left: auto;
}

.nav-links a {
  display: block;
  padding: .45rem .85rem;
  font-size: .88rem;
  font-weight: 450;
  color: var(--ink-muted);
  border-radius: 1.5rem;
  transition: color .2s, background .2s;
}
.nav-links a:hover {
  color: var(--ink);
  background: rgba(32,31,26,.07);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  margin-left: auto;
}
.burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .3s;
}
.burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ═══════════════════════════════════════
   HERO
═══════════════════════════════════════ */
.hero {
  padding-top: calc(var(--nav-h) + 5rem);
  padding-bottom: 0;
  position: relative;
  overflow: hidden;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  flex: 1;
  padding-bottom: 3rem;
}

.hero-content { z-index: 1; }

.hero-eyebrow {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6.5vw, 5rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.02em;
  margin-bottom: 1.75rem;
  color: var(--ink);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--ink-muted);
  max-width: 460px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-img {
  width: 100%;
  max-width: 560px;
  filter: contrast(1.05);
  animation: floatY 6s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

/* Stats bar */
.hero-stats {
  background: var(--ink);
  color: var(--bg);
  padding: 2rem 0;
}
.stats-row {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.stat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  padding: .75rem 1.5rem;
  min-width: 140px;
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
}
.stat-label {
  font-size: .78rem;
  font-weight: 400;
  color: rgba(245,244,239,.6);
  text-align: center;
  letter-spacing: .04em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(245,244,239,.18);
}

/* ═══════════════════════════════════════
   SERVICES
═══════════════════════════════════════ */
.services { background: var(--bg); }

.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  padding-block: 4rem;
  border-top: 1px solid var(--line);
}
.service-block:last-child { border-bottom: 1px solid var(--line); }
.service-block--reverse { direction: rtl; }
.service-block--reverse > * { direction: ltr; }

.service-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 400;
  color: var(--ink-faint);
  line-height: 1;
  margin-bottom: 1.25rem;
}

.service-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 500;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.service-desc {
  color: var(--ink-muted);
  line-height: 1.75;
  margin-bottom: 1.5rem;
  max-width: 480px;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.service-list li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .9rem;
  color: var(--ink);
}
.service-list li::before {
  content: '';
  flex-shrink: 0;
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink);
  margin-top: .55em;
}

.service-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-visual img {
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius);
  transition: transform .4s var(--ease);
}
.service-visual img:hover { transform: scale(1.02); }

/* ═══════════════════════════════════════
   ABOUT
═══════════════════════════════════════ */
.about {
  background: var(--bg-alt);
}

.about-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, var(--line) 1.5px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  margin-bottom: 5rem;
  position: relative;
}

.about-left {}

.about-right {}

.about-lead {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.about-body {
  color: var(--ink-muted);
  line-height: 1.8;
  margin-bottom: .75rem;
}

/* Values grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.value-card {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--line);
  background: var(--bg);
  transition: background .25s var(--ease);
}
.value-card:last-child { border-right: none; }
.value-card:hover { background: var(--ink); color: var(--bg); }

.value-icon {
  margin-bottom: 1.25rem;
  color: var(--ink-muted);
  transition: color .25s;
}
.value-card:hover .value-icon { color: rgba(245,244,239,.7); }

.value-card h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: .5rem;
}
.value-card p {
  font-size: .875rem;
  color: var(--ink-muted);
  line-height: 1.65;
  transition: color .25s;
}
.value-card:hover p { color: rgba(245,244,239,.7); }

/* ═══════════════════════════════════════
   VACANCIES
═══════════════════════════════════════ */
.vacancies { background: var(--bg); }

.vacancies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--line);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.vacancy-card {
  background: var(--bg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background .25s var(--ease);
  position: relative;
}
.vacancy-card:hover { background: var(--bg-alt); }

.vacancy-header { display: flex; align-items: center; gap: .75rem; }

.vacancy-tag {
  display: inline-block;
  padding: .3rem .75rem;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: rgba(32,31,26,.07);
  border-radius: 1rem;
  color: var(--ink-muted);
}

.vacancy-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.2;
}

.vacancy-desc {
  font-size: .88rem;
  color: var(--ink-muted);
  line-height: 1.7;
  flex: 1;
}

.vacancy-req {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.vacancy-req li {
  font-size: .82rem;
  color: var(--ink);
  display: flex;
  align-items: flex-start;
  gap: .5rem;
}
.vacancy-req li::before {
  content: '—';
  color: var(--ink-faint);
  flex-shrink: 0;
}

.vacancy-btn { align-self: flex-start; padding: .6rem 1.25rem; font-size: .82rem; }

/* CTA card */
.vacancy-card--cta {
  background: var(--ink);
  color: var(--bg);
}
.vacancy-card--cta:hover { background: #2e2d26; }

.vacancy-cta-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
  justify-content: center;
}
.vacancy-cta-inner h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.3;
}
.vacancy-cta-inner p {
  font-size: .88rem;
  color: rgba(245,244,239,.65);
  line-height: 1.7;
}

/* ═══════════════════════════════════════
   CONTACTS
═══════════════════════════════════════ */
.contacts { background: var(--bg-alt); }

.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-block { margin-bottom: 2rem; }

.contact-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: .5rem;
}

.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.contact-value:hover { border-color: var(--ink); }
.contact-value--large { font-size: 1.5rem; font-family: var(--font-serif); }

/* Address columns */
.address-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

.address-block {}

.contact-address {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  font-size: .9rem;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 1rem;
  transition: color .2s;
  border-bottom: 1px solid transparent;
}
.contact-address:hover { color: var(--ink-muted); }

.addr-icon {
  flex-shrink: 0;
  margin-top: .1em;
}

/* Map thumbnail */
.map-thumb {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 2px 16px rgba(32,31,26,.08);
  transition: box-shadow .25s;
}
.map-thumb:hover { box-shadow: 0 6px 24px rgba(32,31,26,.14); }
.map-thumb iframe { display: block; }

/* Contact CTA card */
.contact-cta-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.contact-cta-card h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: .75rem;
}
.contact-cta-card > p {
  color: var(--ink-muted);
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.form-group label {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: .8rem 1rem;
  font-family: var(--font-sans);
  font-size: .92rem;
  color: var(--ink);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--ink-faint); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(32,31,26,.08);
}

.form-note {
  font-size: .72rem;
  color: var(--ink-faint);
  text-align: center;
  line-height: 1.5;
}

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
.footer {
  background: var(--ink);
  color: var(--bg);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  padding-block: 4rem;
  border-bottom: 1px solid rgba(245,244,239,.12);
}

.footer-brand .nav-logo { margin-bottom: 1rem; }
.footer-brand .logo-img { filter: invert(1) brightness(100); opacity: 0.95; }

.footer-tagline {
  font-size: .85rem;
  color: rgba(245,244,239,.45);
  max-width: 200px;
  line-height: 1.6;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.footer-nav-col a {
  font-size: .85rem;
  color: rgba(245,244,239,.55);
  transition: color .2s;
}
.footer-nav-col a:hover { color: var(--bg); }

.footer-nav-head {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(245,244,239,.3);
  margin-bottom: .5rem;
}

.footer-bottom { padding-block: 1.5rem; }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: .8rem;
  color: rgba(245,244,239,.35);
}

/* ═══════════════════════════════════════
   SCROLL ANIMATIONS
═══════════════════════════════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-inner        { grid-template-columns: 1fr; }
  .hero-visual       { order: -1; }
  .hero-img          { max-width: 440px; margin-inline: auto; }

  .values-grid       { grid-template-columns: repeat(2, 1fr); }
  .value-card:nth-child(2) { border-right: none; }
  .value-card:nth-child(3) { border-top: 1px solid var(--line); }

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

  .contacts-grid     { grid-template-columns: 1fr; gap: 3rem; }
  .address-columns   { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root {
    --sp-xl: 4rem;
    --sp-lg: 2.5rem;
  }

  .nav-links,
  .btn-nav { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: var(--bg);
    padding: 2rem 1.5rem;
    gap: .25rem;
    z-index: 99;
  }
  .nav-links.open li a {
    display: block;
    padding: 1rem;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--line);
  }

  .burger { display: flex; }

  .hero    { padding-top: calc(var(--nav-h) + 2rem); min-height: auto; }
  .hero-inner { padding-bottom: 2rem; }

  .service-block {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-block: 2.5rem;
  }
  .service-block--reverse { direction: ltr; }

  .about-inner   { grid-template-columns: 1fr; gap: 2rem; }
  .values-grid   { grid-template-columns: 1fr; }
  .value-card    { border-right: none; border-top: 1px solid var(--line); }
  .value-card:first-child { border-top: none; }

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

  .stats-row { flex-wrap: wrap; }
  .stat-divider { display: none; }
  .stat-item { flex-basis: 50%; }

  .footer-inner  { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-nav    { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom-inner { flex-direction: column; gap: .5rem; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.5rem; }
  .footer-nav { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { justify-content: center; }
}