:root {
  --bg: #f1efe9;
  --bg-2: #ece8e1;
  --surface: #fbfaf7;
  --surface-2: #ffffff;
  --card: #f7f4ee;
  --ink: #192028;
  --muted: #67717e;
  --muted-2: #7e8793;
  --line: rgba(25, 32, 40, 0.10);
  --line-strong: rgba(25, 32, 40, 0.16);
  --accent: #6f7d90;
  --accent-soft: rgba(111, 125, 144, 0.14);
  --accent-deep: #425163;
  --dark: #171d24;
  --dark-soft: #1e2630;
  --white: #ffffff;
  --radius: 26px;
  --radius-sm: 18px;
  --shadow: 0 24px 60px rgba(18, 24, 31, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(111, 125, 144, 0.12), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, #f6f4ef 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { max-width: 100%; }
.page-shell { overflow: hidden; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }

.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(241, 239, 233, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(25, 32, 40, 0.06);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  font-size: .84rem;
  letter-spacing: .14em;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: linear-gradient(135deg, #93a0af 0%, #526173 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.26);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-links a {
  color: #36404b;
  font-size: .95rem;
  transition: opacity .2s ease;
}
.nav-links a:hover { opacity: .62; }

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

.lang-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.66);
}
.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  min-width: 34px;
  height: 30px;
  cursor: pointer;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .05em;
}
.lang-switch button.active {
  background: var(--ink);
  color: #fff;
}

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--ink);
  margin: 5px auto;
}

.hero {
  padding-top: 92px;
  padding-bottom: 86px;
}
.eyebrow, .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-deep);
}
.eyebrow::before, .section-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.hero-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 42px;
  align-items: start;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(3rem, 5.4vw, 5rem);
  line-height: .95;
  letter-spacing: -.055em;
  margin-bottom: 24px;
  font-weight: 770;
  max-width: 10.5ch;
  overflow-wrap: anywhere;
}
h1 span { color: var(--accent-deep); }
.hero-text {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.72;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .92rem;
  transition: transform .2s ease, opacity .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 12px 30px rgba(25, 32, 40, .14);
}
.btn-ghost {
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,.5);
}

.hero-highlights {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.mini-card {
  background: rgba(255,255,255,.54);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
}
.mini-card strong, .mini-card span { display: block; }
.mini-card strong { font-size: .92rem; margin-bottom: 6px; }
.mini-card span { color: var(--muted); font-size: .83rem; }

.hero-panel {
  background: linear-gradient(180deg, rgba(23,29,36,1) 0%, rgba(33,41,51,1) 100%);
  color: var(--white);
  border-radius: 30px;
  padding: 28px;
  box-shadow: 0 32px 80px rgba(18, 24, 31, .16);
  position: relative;
  overflow: hidden;
}
.hero-panel::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -48px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,155,176,.34), transparent 65%);
}
.panel-head {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}
.panel-label {
  display: block;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #9eacbb;
  margin-bottom: 10px;
}
.hero-panel h2 {
  font-size: 1.45rem;
  line-height: 1.15;
  margin-bottom: 0;
  max-width: 16ch;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  color: #c6d0dc;
  font-size: .75rem;
  white-space: nowrap;
}
.status-pill i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #b5c6d7;
}

.flow-grid {
  position: relative;
  z-index: 1;
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.flow-card {
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  border-radius: 20px;
  padding: 18px;
  min-height: 138px;
}
.flow-card > span {
  display: inline-flex;
  color: #94a4b4;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 26px;
}
.flow-card h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}
.flow-card p {
  color: #aeb9c5;
  font-size: .90rem;
  margin-bottom: 0;
}

.operating-card {
  margin-top: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  border-radius: 20px;
  padding: 18px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.operating-card small {
  display: block;
  color: #9dadbd;
  font-size: .74rem;
  margin-bottom: 7px;
}
.operating-card strong {
  display: block;
  font-size: 1.18rem;
  line-height: 1.25;
}
.metric-pill {
  font-size: .75rem;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(139,155,176,.16);
  color: #d0d8e1;
  white-space: nowrap;
}

.strip-wrap {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.36);
}
.strip {
  min-height: 82px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  align-items: center;
  text-align: center;
  color: #79838f;
  font-size: .80rem;
  font-weight: 700;
  letter-spacing: .10em;
  text-transform: uppercase;
}

.section { padding-block: 100px; }
.section-soft { background: linear-gradient(180deg, rgba(111,125,144,.08), rgba(111,125,144,.03)); }
.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 38px;
}
.section-intro.align-start { align-items: start; }
.section-intro.compact { align-items: center; }
.section-intro h2 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -.05em;
  margin: 16px 0 0;
  max-width: 12ch;
}
.section-intro p {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.75;
  margin-bottom: 0;
  max-width: 34ch;
}

.cards-3,
.principles-grid,
.steps-grid {
  display: grid;
  gap: 18px;
}
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.principles-grid { grid-template-columns: repeat(3, 1fr); }
.steps-grid { grid-template-columns: repeat(2, 1fr); }

.info-card,
.principle-card,
.step-card,
.closing-card {
  background: rgba(255,255,255,.54);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(18,24,31,.04);
}
.info-card {
  padding: 24px;
  min-height: 260px;
}
.card-number {
  font-size: 1rem;
  color: var(--accent-deep);
  font-weight: 800;
}
.info-card h3 {
  margin: 72px 0 12px;
  font-size: 1.24rem;
}
.info-card p { color: var(--muted); margin-bottom: 0; }

.step-card {
  padding: 24px;
  min-height: 220px;
}
.step-card > span {
  display: inline-block;
  color: var(--accent-deep);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 24px;
}
.step-card h3 {
  font-size: 1.18rem;
  line-height: 1.22;
  margin-bottom: 12px;
}
.step-card p { color: var(--muted); margin-bottom: 0; }

.about-layout {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(0, 1.1fr);
  gap: 46px;
  align-items: start;
}
.about-head h2 {
  font-size: clamp(2.4rem, 4.8vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -.055em;
  margin: 16px 0 0;
  max-width: 9.5ch;
}
.about-content {
  display: grid;
  gap: 20px;
}
.about-content p {
  font-size: 1.08rem;
  color: #44505e;
  line-height: 1.82;
  margin-bottom: 0;
}
.note {
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.72);
}
.note span {
  display: block;
  color: var(--accent-deep);
  font-size: .76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .10em;
  margin-bottom: 10px;
}
.note p { margin: 0; color: var(--muted); font-size: .98rem; }

.principle-card {
  padding: 26px;
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.principle-card span {
  display: block;
  color: var(--muted-2);
  font-size: .92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .10em;
}
.principle-card h3 {
  font-size: 1.38rem;
  margin-bottom: 0;
  max-width: 14ch;
}

.closing-card {
  padding: 30px;
  background: linear-gradient(180deg, rgba(255,255,255,.68), rgba(250,247,241,.9));
}
.closing-card h2 {
  font-size: clamp(2.1rem, 4vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -.045em;
  margin: 16px 0 14px;
  max-width: 14ch;
}
.closing-card p {
  max-width: 58ch;
  color: var(--muted);
  margin-bottom: 0;
}

.footer {
  min-height: 104px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 24px;
  align-items: center;
  color: var(--muted);
  font-size: .84rem;
}
.footer-links { display: flex; gap: 18px; }
.footer p { margin: 0; }

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 1200px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-panel { max-width: 720px; }
}

@media (max-width: 1080px) {
  .hero-grid,
  .about-layout,
  .section-intro {
    grid-template-columns: 1fr;
  }
  .section-intro p { max-width: 60ch; }
}

@media (max-width: 860px) {
  .cards-3,
  .principles-grid,
  .steps-grid,
  .strip {
    grid-template-columns: 1fr 1fr;
  }
  .footer { grid-template-columns: 1fr; padding-block: 28px; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav { min-height: 70px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 14px;
    right: 14px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255,255,255,.96);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
  .lang-switch button { min-width: 30px; height: 28px; }

  .hero {
    padding-top: 64px;
    padding-bottom: 72px;
  }
  h1 { font-size: clamp(2.7rem, 13vw, 4rem); max-width: 100%; }
  .hero-text { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .hero-highlights,
  .flow-grid,
  .cards-3,
  .principles-grid,
  .steps-grid,
  .strip {
    grid-template-columns: 1fr;
  }
  .strip {
    text-align: left;
    padding-block: 20px;
    min-height: auto;
  }
  .hero-panel,
  .info-card,
  .step-card,
  .principle-card,
  .closing-card { padding: 22px; }
  .panel-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-panel h2 { max-width: 100%; font-size: 1.3rem; }
  .flow-card { min-height: auto; }
  .flow-card > span { margin-bottom: 20px; }
  .operating-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .section { padding-block: 80px; }
  .section-intro { margin-bottom: 30px; }
  .section-intro h2,
  .about-head h2,
  .closing-card h2 { max-width: 100%; }
  .info-card h3 { margin-top: 48px; }
}