:root {
  --ink: #101924;
  --ink-soft: #182432;
  --paper: #f6f3ee;
  --white: #f8f8f5;
  --muted: #aab4c0;
  --line: rgba(230, 236, 242, 0.27);
  --accent: #ff5557;
  --accent-deep: #e83f43;
  --page: 1440px;
  --gutter: clamp(24px, 5vw, 76px);
  --section: clamp(84px, 9vw, 144px);
  --display: clamp(46px, 4.2vw, 66px);
  --h2: clamp(38px, 4.5vw, 70px);
  --h3: clamp(28px, 3vw, 46px);
  --body: clamp(18px, 1.45vw, 24px);
  --small: clamp(15px, 1.1vw, 18px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--ink); }

body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; width: 100%; }
[hidden] { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 0 var(--gutter);
  background: rgba(16, 25, 36, 0.93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  font-size: clamp(18px, 1.7vw, 27px);
}

.brand strong { font-weight: 750; }
.brand > span:first-of-type { color: var(--accent); font-weight: 700; }
.brand > span:last-child { color: var(--muted); font-weight: 400; }

.site-nav { display: flex; align-items: center; gap: clamp(24px, 3.2vw, 52px); }
.site-nav a { color: var(--white); text-decoration: none; font-size: 16px; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--accent); }

.lang-switch {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  padding: 8px 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 600 14px/1 "Helvetica Neue", Helvetica, Arial, sans-serif;
  cursor: pointer;
}

.lang-switch i { color: #657281; font-style: normal; }
.lang-switch [data-lang].active { color: var(--accent); }

.menu-button { display: none; }

.section-dark { background: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  max-width: var(--page);
  min-height: 800px;
  margin: 0 auto;
  padding: 82px 0 0 var(--gutter);
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 70px clamp(34px, 3vw, 48px) 70px 0;
}

.hero h1 {
  margin: 0;
  max-width: 710px;
  font-size: var(--display);
  font-weight: 760;
  line-height: 0.98;
  letter-spacing: -0.052em;
}

.hero h1 em, h2 em { display: block; color: var(--accent); font-style: normal; }

.hero-copy > p {
  max-width: 580px;
  margin: 38px 0 0;
  color: #e2e7eb;
  font-size: var(--body);
  line-height: 1.38;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 44px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: 0;
  font: 500 17px/1 "Helvetica Neue", Helvetica, Arial, sans-serif;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover { transform: translateY(-2px); }
.button:focus-visible, .lang-switch:focus-visible, .menu-button:focus-visible { outline: 3px solid rgba(255, 85, 87, 0.45); outline-offset: 4px; }
.button svg { width: 22px; margin-left: 28px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.button-primary { min-width: 240px; background: var(--accent); color: #111820; }
.button-primary:hover { background: #ff6a6b; }
.button-secondary { border-color: #a8b0b9; color: var(--white); }
.button-secondary:hover { border-color: var(--white); background: rgba(255,255,255,.06); }

.hero-media { min-height: 718px; margin: 0; overflow: hidden; }
.hero-system {
  display: flex;
  align-items: center;
  padding: clamp(34px, 4vw, 72px);
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    radial-gradient(circle at 74% 20%, rgba(255,85,87,.28), transparent 34%),
    #172331;
  background-size: 48px 48px, 48px 48px, auto, auto;
}
.system-board { width: 100%; border: 1px solid rgba(255,255,255,.34); background: rgba(13,22,31,.86); box-shadow: 0 32px 90px rgba(0,0,0,.3); }
.system-board-header { display: flex; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; letter-spacing: .13em; }
.system-board-header i { color: var(--accent); font-style: normal; }
.system-board-flow { display: grid; grid-template-columns: auto 1fr auto 1fr auto 1fr auto; align-items: center; gap: 11px; padding: 42px 24px; }
.system-board-flow > div { display: grid; gap: 6px; min-width: 82px; }
.system-board-flow b { color: var(--accent); font-size: 12px; }
.system-board-flow span { font-size: clamp(13px, 1.1vw, 17px); }
.system-board-flow > i { height: 1px; background: #687581; }
.system-board-core { margin: 0 24px; padding: 26px; background: var(--accent); color: #111820; font-size: clamp(21px, 2vw, 31px); font-weight: 700; line-height: 1.08; letter-spacing: -.025em; }
.system-board-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 24px; background: var(--line); border-top: 1px solid var(--line); }
.system-board-stats div { display: flex; flex-direction: column; gap: 18px; min-height: 112px; padding: 20px; background: #111c27; }
.system-board-stats small { color: var(--muted); font-size: 10px; letter-spacing: .08em; }
.system-board-stats strong { color: var(--white); font-size: 30px; font-weight: 400; }

.problem, .approach, .cases, .contact, .footer {
  max-width: var(--page);
  margin: 0 auto;
  padding-right: var(--gutter);
  padding-left: var(--gutter);
}

.problem { padding-top: 82px; padding-bottom: 100px; border-top: 1px solid var(--line); }

.section-heading h2 {
  margin: 0;
  max-width: 1050px;
  font-size: var(--h2);
  font-weight: 730;
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.section-heading p { max-width: 820px; margin: 26px 0 0; color: #d6dde3; font-size: var(--body); }

.problem-line {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  gap: 20px;
  margin-top: 70px;
  color: var(--muted);
  font-size: var(--small);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.problem-line i { display: block; height: 1px; background: var(--line); }

.approach { padding-top: var(--section); padding-bottom: 95px; border-top: 1px solid var(--line); }

.split-heading { display: grid; grid-template-columns: minmax(0, 2fr) minmax(240px, .65fr); gap: 70px; align-items: end; }
.split-heading p { margin: 0 0 5px; color: var(--muted); font-size: var(--small); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; padding: 0; margin: 88px 0 0; list-style: none; }
.steps li { position: relative; padding-top: 56px; border-top: 1px solid #697482; }
.steps li > span { position: absolute; top: -30px; left: 0; padding-right: 24px; background: var(--ink); color: var(--accent); font-size: 54px; font-weight: 700; letter-spacing: -0.06em; }
.steps h3 { margin: 0; font-size: 30px; letter-spacing: -0.035em; }
.steps p { max-width: 340px; margin: 14px 0 0; color: var(--muted); font-size: var(--body); }

.cases { padding-top: 70px; padding-bottom: var(--section); }
.cases > .section-heading { padding-top: 64px; border-top: 1px solid var(--line); }

.case { border-top: 1px solid var(--line); }
.case-main { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; margin-top: 75px; padding-top: 38px; }
.case-system-graphic { display: grid; grid-template-columns: repeat(7, auto); align-items: center; gap: 14px; min-height: 470px; padding: 48px; background: #1c2a38; overflow: hidden; }
.case-system-graphic span { display: flex; align-items: center; justify-content: center; width: 118px; height: 118px; padding: 12px; border: 1px solid #73808d; border-radius: 50%; color: #d9e0e6; font-size: 11px; text-align: center; letter-spacing: .08em; }
.case-system-graphic span:first-child, .case-system-graphic span:last-child { border-color: var(--accent); color: var(--accent); }
.case-system-graphic i { width: clamp(18px, 2vw, 42px); height: 1px; background: #73808d; }
.case-copy { display: flex; flex-direction: column; align-items: flex-start; }
.case-number { color: var(--accent); font-size: 18px; font-weight: 700; }
.case h3 { margin: 22px 0 15px; font-size: var(--h3); line-height: 1; letter-spacing: -0.045em; }
.case strong { display: inline-block; padding: 10px 14px; background: var(--accent); color: #10161d; font-size: 15px; line-height: 1.2; }
.case p { max-width: 520px; margin: 26px 0 0; color: var(--muted); font-size: var(--body); }

.case-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 46px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-secondary { min-height: 500px; padding: 38px 48px 55px 0; border-top: 0; }
.case-secondary + .case-secondary { padding-left: 48px; border-left: 1px solid var(--line); }
.case-secondary strong { background: #ead9c6; }
.case-logo { display: flex; align-items: center; height: 120px; margin: 22px 0 6px; overflow: hidden; background: #2a1722; }
.case-logo img { width: auto; max-width: 82%; max-height: 84px; margin: 0 auto; object-fit: contain; }
.muzloto-system { justify-content: center; gap: 9px; background: #2a1722; }
.muzloto-system i { display: block; width: 13px; border-radius: 9px; background: #f2d7bd; }
.muzloto-system i:nth-child(1), .muzloto-system i:nth-child(5) { height: 28px; opacity: .5; }
.muzloto-system i:nth-child(2), .muzloto-system i:nth-child(4) { height: 58px; opacity: .75; }
.muzloto-system i:nth-child(3) { height: 86px; background: var(--accent); }
.trail-lines { display: flex; align-items: end; gap: 8px; height: 120px; margin-top: 22px; }
.trail-lines i { width: 30%; background: var(--accent); transform: skewY(-19deg); }
.trail-lines i:nth-child(1) { height: 32px; opacity: .35; }
.trail-lines i:nth-child(2) { height: 62px; opacity: .65; }
.trail-lines i:nth-child(3) { height: 94px; }
.trail-case strong { background: #bdccda; }

.discovery {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(340px, .72fr);
  max-width: var(--page);
  margin: 0 auto;
  background: var(--paper);
  color: var(--ink);
}

.discovery-copy { padding: var(--section) var(--gutter); }
.discovery h2 { margin: 0; max-width: 800px; font-size: var(--h2); line-height: 1.03; letter-spacing: -0.045em; }
.discovery-copy > p { max-width: 720px; margin: 32px 0 0; color: #47515e; font-size: var(--body); }
.discovery ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0 42px; padding: 0; margin: 48px 0 0; list-style: none; }
.discovery li { position: relative; padding: 15px 0 15px 42px; border-bottom: 1px solid #c3c4c2; font-size: var(--body); }
.discovery li::before { content: ""; position: absolute; left: 0; top: 50%; width: 23px; height: 2px; background: var(--accent); }
.price { display: flex; flex-direction: column; gap: 8px; margin-top: 48px; padding-top: 26px; border-top: 1px solid #7e858b; }
.price strong { color: var(--accent-deep); font-size: clamp(24px, 2.2vw, 34px); }
.price span { color: #59616a; font-size: var(--small); }
.discovery figure { margin: 0; overflow: hidden; }
.discovery-visual { display: flex; align-items: stretch; min-height: 620px; background: #dcd8d0; }
.discovery-visual > div { display: grid; grid-template-rows: auto 1fr auto 1fr auto 1fr auto; width: 100%; padding: clamp(44px, 5vw, 84px); }
.discovery-visual span { display: flex; align-items: center; min-height: 76px; padding: 18px 20px; border: 1px solid #9da0a0; color: #25313d; font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.discovery-visual span:last-child { border-color: var(--accent-deep); background: var(--accent); color: #111820; }
.discovery-visual i { width: 1px; margin-left: 36px; background: #9da0a0; }

.contact { padding-top: var(--section); padding-bottom: 90px; }
.contact-intro { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(270px, .45fr); gap: clamp(48px, 7vw, 110px); align-items: start; }
.contact h2 { max-width: 1020px; margin: 0; font-size: clamp(48px, 6.3vw, 96px); line-height: .98; letter-spacing: -.055em; }
.contact-copy > p { max-width: 690px; margin: 36px 0 0; color: var(--muted); font-size: var(--body); }
.contact-button { margin-top: 48px; border: 0; }
.contact-portrait { margin: 0; }
.contact-portrait img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 42%; border: 1px solid var(--line); }
.contact-portrait figcaption { display: flex; flex-direction: column; gap: 5px; padding-top: 16px; }
.contact-portrait strong { font-size: 18px; }
.contact-portrait span { color: var(--muted); font-size: 14px; }
.contact-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 66px; padding-top: 34px; border-top: 1px solid var(--line); }
.contact-list a { color: #c3cbd2; font-size: var(--small); text-decoration: none; overflow-wrap: anywhere; }
.contact-list a:hover, .contact-list a:focus-visible { color: var(--accent); }

.footer { display: grid; grid-template-columns: auto 1fr auto; align-items: end; gap: 45px; padding-top: 34px; padding-bottom: 36px; border-top: 1px solid var(--line); }
.footer p { margin: 0; color: #778391; font-size: 14px; }
.footer .brand { font-size: 18px; }

@media (max-width: 980px) {
  :root { --gutter: 28px; }
  .site-header { min-height: 70px; }
  .menu-button { display: flex; position: relative; flex-direction: column; justify-content: center; gap: 7px; width: 42px; height: 42px; border: 0; background: transparent; }
  .menu-button span:not(.sr-only) { display: block; width: 25px; height: 2px; background: var(--white); transition: transform 180ms ease; }
  .site-nav { position: absolute; top: 70px; right: 0; left: 0; display: none; align-items: stretch; padding: 24px var(--gutter) 30px; background: var(--ink); border-bottom: 1px solid var(--line); }
  .site-nav.open { display: flex; flex-direction: column; gap: 20px; }
  .site-nav a { font-size: 20px; }
  .hero { grid-template-columns: 1fr; padding: 70px 0 0; }
  .hero-copy { padding: 74px var(--gutter) 56px; }
  .hero-media { min-height: 490px; }
  .split-heading { grid-template-columns: 1fr; gap: 24px; }
  .steps { gap: 28px; }
  .case-main { grid-template-columns: 1fr; }
  .case-system-graphic { min-height: 440px; }
  .discovery { grid-template-columns: 1fr; }
  .discovery figure { height: 460px; }
  .contact-intro { grid-template-columns: minmax(0, 1fr) 280px; gap: 42px; }
}

@media (max-width: 680px) {
  :root { --gutter: 20px; --section: 78px; --display: clamp(43px, 13vw, 62px); --h2: clamp(36px, 10vw, 52px); }
  .brand > span:last-child { display: none; }
  .hero { min-height: 0; }
  .hero-copy { min-height: 690px; padding-top: 105px; }
  .hero h1 { line-height: .99; }
  .hero-copy > p { margin-top: 28px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; min-height: 62px; }
  .hero-media { min-height: 390px; }
  .problem { padding-top: 66px; padding-bottom: 72px; }
  .problem-line { grid-template-columns: auto 1fr; gap: 14px; margin-top: 50px; }
  .problem-line i { display: none; }
  .problem-line span { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr; gap: 74px; margin-top: 75px; }
  .case-main { gap: 34px; margin-top: 56px; }
  .case-system-graphic { grid-template-columns: 1fr; justify-items: center; min-height: 0; padding: 44px 20px; }
  .case-system-graphic i { width: 1px; height: 24px; }
  .case-pair { grid-template-columns: 1fr; }
  .case-secondary { min-height: 0; padding: 38px 0 60px; }
  .case-secondary + .case-secondary { padding: 54px 0 60px; border-top: 1px solid var(--line); border-left: 0; }
  .discovery-copy { padding: var(--section) var(--gutter); }
  .discovery ul { grid-template-columns: 1fr; }
  .discovery figure { height: 330px; }
  .contact-intro { grid-template-columns: 1fr; }
  .contact h2 { font-size: clamp(44px, 13vw, 66px); }
  .contact-portrait { width: min(100%, 390px); margin-top: 18px; }
  .contact-list { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr auto; gap: 20px; }
  .footer p { grid-column: 1 / -1; grid-row: 2; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}