:root {
  --gold: #c9a45e;
  --gold-light: #f7e7b4;
  --gold-dark: #8e6f2b;
  --gold-gradient: linear-gradient(135deg, #f5e5b8, #c5a059 52%, #9e7d31);
  --oak: #140d08;
  --surface: rgba(25, 17, 11, 0.94);
  --surface-hover: rgba(34, 23, 15, 0.98);
  --text: #f4ebe1;
  --muted: #d1c2b4;
  --subtle: #a39385;
  --border: rgba(197, 160, 89, 0.28);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.55);
  --heading: "Plus Jakarta Sans", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --container: 1180px;
  --transition: 180ms ease;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  color-scheme: dark;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--body);
  line-height: 1.65;
  background:
    radial-gradient(circle at 50% 0, rgba(197, 160, 89, 0.1), transparent 38rem),
    linear-gradient(rgba(20, 13, 8, 0.88), rgba(10, 6, 4, 0.96)),
    url("assets/dark_oak_texture.jpg") center top / cover fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.modal-open { overflow: hidden; }

button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--heading); line-height: 1.2; }

:focus-visible {
  outline: 3px solid var(--gold-light);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 9999;
  padding: 10px 16px;
  color: var(--oak);
  background: var(--gold-light);
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
}

.skip-link:focus { transform: none; }

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.section-padding { padding: 92px 0; }
.section-bordered { border-block: 1px solid rgba(197, 160, 89, 0.14); }

.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(14, 9, 6, 0.94);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
}

.nav-bar {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo { flex: 0 0 auto; }
.brand-logo img { width: 230px; height: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}

.nav-item-link {
  position: relative;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition);
}

.nav-item-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 2px;
  background: var(--gold-gradient);
  transition: right var(--transition);
}

.nav-item-link:hover,
.nav-item-link.active { color: var(--gold-light); }
.nav-item-link.active::after { right: 0; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-phone {
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.lang-control { position: relative; }

.lang-toggle-btn,
.mobile-nav-toggle {
  color: var(--gold-light);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.lang-toggle-btn {
  min-width: 64px;
  padding: 8px 12px;
  display: flex;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
}

.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 170px;
  padding: 6px;
  background: #181008;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.lang-item {
  width: 100%;
  padding: 10px 12px;
  color: var(--muted);
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: 7px;
  cursor: pointer;
}

.lang-item:hover,
.lang-item.active {
  color: var(--gold-light);
  background: rgba(197, 160, 89, 0.15);
}

.mobile-nav-toggle {
  display: none;
  width: 44px;
  height: 42px;
  padding: 10px;
}

.mobile-nav-toggle span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.hero-wrapper { padding: 92px 0 108px; }

.hero-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: clamp(38px, 6vw, 72px);
  align-items: center;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-main-title {
  margin-bottom: 24px;
  color: #fff;
  font-size: clamp(38px, 5vw, 62px);
  letter-spacing: -0.035em;
}

.hero-main-title span,
.hero-main-title strong { display: block; }

.hero-main-title strong {
  margin-top: 8px;
  color: var(--gold-light);
  font-size: 0.78em;
}

.hero-lead-text {
  max-width: 650px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 18px;
}

.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.btn-primary {
  color: #120c08;
  background: var(--gold-gradient);
  border: 0;
  box-shadow: 0 5px 18px rgba(197, 160, 89, 0.24);
}

.btn-secondary {
  color: var(--gold-light);
  background: var(--surface);
  border: 1px solid var(--border);
}

.btn-primary:hover,
.btn-secondary:hover { transform: translateY(-2px); }
.btn-secondary:hover { border-color: var(--gold); }

.benefit-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 0;
  padding: 26px 0 0;
  border-top: 1px solid var(--border);
  list-style: none;
}

.benefit-list li {
  position: relative;
  padding-left: 24px;
  font-size: 13px;
  font-weight: 600;
}

.benefit-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 800;
}

.qualification-card,
.contact-card,
.contact-form {
  padding: clamp(28px, 4vw, 42px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.qualification-card h2,
.contact-card h2,
.contact-form h2 { color: #fff; }

.qualification-card label,
.contact-form label {
  display: block;
  margin: 18px 0 8px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.qualification-card select,
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  color: #fff;
  background: rgba(8, 5, 3, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.qualification-card input[type="range"] { width: 100%; accent-color: var(--gold); }

.check-row {
  display: flex !important;
  align-items: flex-start;
  gap: 10px;
  font-weight: 500 !important;
}

.check-row input {
  width: 18px !important;
  height: 18px;
  flex: 0 0 auto;
  margin-top: 2px;
  accent-color: var(--gold);
}

.qualification-result {
  display: grid;
  gap: 4px;
  margin: 22px 0 12px;
  padding: 16px;
  color: var(--gold-light);
  background: rgba(197, 160, 89, 0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.qualification-card small,
.contact-form small { display: block; color: var(--subtle); }

.section-header-center {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-header-center h2 {
  margin-bottom: 14px;
  color: #fff;
  font-size: clamp(32px, 4vw, 44px);
}

.section-header-center > p:last-child { color: var(--muted); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.service-card,
.process-grid li,
.founder-card,
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.service-card {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 30px;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  background: var(--surface-hover);
  border-color: var(--gold);
}

.card-number,
.process-grid > li > span {
  color: var(--gold);
  font-family: var(--heading);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.service-card h3 { margin: 18px 0 12px; color: #fff; font-size: 21px; }
.service-card p { color: var(--muted); }
.service-card a { margin-top: auto; color: var(--gold-light); font-weight: 800; }

.founders-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.founder-card {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  padding: 34px;
}

.founder-avatar {
  display: grid;
  width: 62px;
  height: 62px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--oak);
  font-family: var(--heading);
  font-weight: 800;
  background: var(--gold-gradient);
  border-radius: 50%;
}

.founder-card h3 { margin-bottom: 6px; color: #fff; }
.founder-card p { margin-bottom: 0; color: var(--muted); }
.founder-card .founder-role { margin-bottom: 12px; color: var(--gold-light); font-weight: 700; }

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.process-grid li { padding: 28px; }
.process-grid h3 { margin: 16px 0 10px; color: #fff; }
.process-grid p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.faq-container { max-width: 900px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; }
.faq-item h3 { margin: 0; }

.faq-item button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  color: #fff;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.faq-item button span:last-child {
  color: var(--gold);
  font-size: 24px;
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.faq-item button[aria-expanded="true"] span:last-child { transform: rotate(45deg); }

.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  padding: 0 24px;
  color: var(--muted);
  opacity: 0;
  transition:
    grid-template-rows 380ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 220ms ease,
    padding-bottom 380ms cubic-bezier(0.22, 1, 0.36, 1);
}

.faq-panel.is-open {
  grid-template-rows: 1fr;
  padding-bottom: 20px;
  opacity: 1;
}

.faq-panel-inner { overflow: hidden; }
.faq-panel p { margin: 0; }

.contact-layout { align-items: start; }
.contact-card > p:not(.eyebrow) { color: var(--muted); }

.contact-card address {
  display: grid;
  gap: 14px;
  margin-top: 30px;
  font-style: normal;
}

.contact-card address a,
.contact-card address span { color: #fff; font-weight: 700; text-decoration: none; }
.contact-card address small { color: var(--subtle); font-weight: 500; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.contact-form .btn-primary { width: 100%; margin: 20px 0 12px; }
.contact-form textarea { resize: vertical; }

.text-button,
.footer-policies button {
  padding: 0;
  color: var(--gold-light);
  background: transparent;
  border: 0;
  text-decoration: underline;
  cursor: pointer;
}

.site-footer {
  padding: 48px 0 30px;
  background: rgba(8, 5, 3, 0.98);
  border-top: 1px solid var(--border);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  align-items: end;
}

.footer-layout img { width: 230px; }
.footer-layout p { max-width: 620px; margin: 14px 0 0; color: var(--subtle); font-size: 13px; }
.footer-policies { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.copyright { grid-column: 1 / -1; padding-top: 22px; border-top: 1px solid rgba(197, 160, 89, 0.14); }

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(8px);
}

.modal-content {
  width: min(760px, 100%);
  max-height: min(82vh, 760px);
  overflow: auto;
  padding: 30px;
  background: #181008;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.modal-content header { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--border); }
.modal-content h2 { color: var(--gold-light); }
.modal-close { color: #fff; font-size: 30px; background: transparent; border: 0; cursor: pointer; }
.modal-body { padding-top: 18px; color: var(--muted); }
.modal-body h3 { margin: 22px 0 8px; color: #fff; font-size: 17px; }

[hidden] { display: none !important; }

@media (max-width: 1100px) {
  .header-phone { display: none; }
  .main-nav { gap: 14px; }
  .brand-logo img { width: 200px; }
}

@media (max-width: 900px) {
  .mobile-nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    inset: 82px 0 auto;
    display: grid;
    gap: 0;
    padding: 12px 20px 22px;
    background: #100a06;
    border-bottom: 1px solid var(--border);
    transform: translateY(calc(-100% - 90px));
    visibility: hidden;
    transition: transform 240ms ease, visibility 240ms;
  }
  .main-nav.open { transform: none; visibility: visible; }
  .nav-item-link { padding: 13px 4px; }
  .nav-item-link::after { display: none; }
  .hero-layout, .contact-layout { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .qualification-card { max-width: 680px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--container)); }
  .section-padding { padding: 70px 0; }
  .nav-bar { min-height: 72px; }
  .brand-logo img { width: 174px; }
  .main-nav { top: 72px; }
  .lang-toggle-btn { min-width: 56px; padding-inline: 8px; }
  .hero-wrapper { padding: 64px 0 76px; }
  .hero-main-title { font-size: 36px; }
  .hero-lead-text { font-size: 16px; }
  .benefit-list, .services-grid, .founders-grid, .process-grid, .form-grid, .footer-layout { grid-template-columns: 1fr; }
  .benefit-list { gap: 12px; }
  .service-card { min-height: 220px; }
  .founder-card { display: grid; }
  .footer-policies { justify-content: flex-start; }
  .copyright { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}