/* =========================================================
   lu_site — editorial noir for Луиза Зайнуллина consulting
   ========================================================= */

:root {
  --bg:        #0a0d12;
  --bg-2:      #0f131a;
  --bg-3:      #151a23;
  --bg-glow-1: #1b202b;
  --bg-glow-2: #141a25;
  --ink:       #f3eee2;
  --ink-mute:  #a9a395;
  --ink-dim:   #736d60;
  --ink-inv:   #0a0d12;
  --gold:      #c9a35a;
  --gold-hi:   #e6c484;
  --gold-lo:   #8b6f38;
  --line:      rgba(243,238,226,.08);
  --line-hi:   rgba(243,238,226,.18);
  --nav-bg:    rgba(10,13,18,.55);
  --radius:    14px;
  --ease:      cubic-bezier(.22,.61,.36,1);
  --serif:     "Fraunces", "Times New Roman", serif;
  --sans:      "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --maxw:      1280px;
  --pad:       clamp(20px, 4vw, 56px);
}

:root.theme-light {
  --bg:        #f6f1e6;
  --bg-2:      #ece5d2;
  --bg-3:      #e0d8c0;
  --bg-glow-1: #f0e9d6;
  --bg-glow-2: #ebe3cd;
  --ink:       #1a1410;
  --ink-mute:  #5a544a;
  --ink-dim:   #9b9588;
  --ink-inv:   #f6f1e6;
  --gold:      #8b6f38;
  --gold-hi:   #a98950;
  --gold-lo:   #5a4520;
  --line:      rgba(26,20,16,.12);
  --line-hi:   rgba(26,20,16,.22);
  --nav-bg:    rgba(246,241,230,.75);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 160px; overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.6;
  color: var(--ink);
  background: radial-gradient(1200px 800px at 85% -10%, var(--bg-glow-1) 0%, transparent 60%),
              radial-gradient(900px 700px at -10% 110%, var(--bg-glow-2) 0%, transparent 55%),
              var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .35s var(--ease), color .35s var(--ease);
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.btn:focus-visible { outline-offset: 4px; }
input:focus-visible,
textarea:focus-visible { outline-offset: 0; }

em { font-style: italic; color: var(--gold); font-family: var(--serif); font-weight: 400; }
.hero__claim em { color: inherit; font-style: normal; font-family: inherit; font-weight: inherit; }

::selection { background: var(--gold); color: var(--ink-inv); }

/* grain overlay */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.96 0 0 0 0 0.93 0 0 0 0 0.83 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* custom cursor */
.cursor {
  position: fixed; left: 0; top: 0; width: 10px; height: 10px;
  border-radius: 50%; background: var(--gold);
  pointer-events: none; z-index: 99;
  transform: translate(-50%,-50%) scale(0);
  transition: transform .25s var(--ease), background .2s;
  mix-blend-mode: difference;
}
.cursor.active { transform: translate(-50%,-50%) scale(3); background: var(--gold-hi); }
@media (hover: none) { .cursor { display: none; } }

/* ================ NAV ================ */
/* TOPBAR */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 42;
  background: #1a0f12;
  border-bottom: 1px solid rgba(201,163,90,.22);
  font-size: 14px;
  color: rgba(245,241,232,.88);
}
.topbar__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 12px var(--pad);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.topbar__loc {
  display: inline-flex; align-items: center; gap: 8px;
  letter-spacing: .06em;
}
.topbar__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 10px rgba(201,163,90,.7);
  animation: pulseDot 2.2s ease-in-out infinite;
}
@keyframes pulseDot { 0%,100% { opacity: 1 } 50% { opacity: .35 } }
.topbar__contacts {
  display: inline-flex; align-items: center; gap: 12px;
}
.topbar__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid rgba(201,163,90,.35);
  border-radius: 50%;
  color: var(--gold);
  transition: background .2s, color .2s, border-color .2s;
}
.topbar__icon svg { width: 18px; height: 18px; }
.topbar__icon:hover { background: var(--gold); color: #1a0f12; border-color: var(--gold); }
.topbar__theme { padding: 0; cursor: pointer; background: transparent; }
.topbar__theme svg { transition: transform .4s var(--ease); }
.topbar__theme:hover svg { transform: rotate(20deg); }
:root:not(.theme-light) .icon-moon { display: none; }
:root.theme-light .icon-sun { display: none; }
.topbar__phone { font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.topbar__phone:hover { color: var(--gold); }
.topbar .btn--sm {
  padding: 10px 22px; font-size: 12px; letter-spacing: .12em;
}

.nav {
  position: fixed; top: 60px; left: 0; right: 0;
  z-index: 40;
  display: flex; align-items: center; gap: clamp(12px, 3vw, 28px);
  padding: 18px var(--pad);
  background: var(--nav-bg);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
  transition: transform .4s var(--ease), background .3s, top .3s;
}
.nav.is-hidden { transform: translateY(calc(-100% - 60px)); }

.brand { display: flex; align-items: center; gap: 14px; }
.brand__mark {
  display: grid; place-items: center;
  width: 52px; height: 52px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--serif); font-weight: 500; font-size: 20px;
  border-radius: 50%;
  letter-spacing: .02em;
  flex-shrink: 0;
}
.brand__mark--big { width: 64px; height: 64px; font-size: 26px; }
.brand__mark--photo { border-color: var(--gold); padding: 2px; overflow: hidden; }
.brand__mark--photo img {
  width: 100%; height: 100%; border-radius: 50%;
  object-fit: cover; object-position: center center;
  filter: saturate(.95) contrast(1.02);
}
.brand__text { display: grid; line-height: 1.15; }
.brand__text > span { font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-mute); }
.brand__text > strong { font-family: var(--serif); font-weight: 500; font-size: 17px; color: var(--ink); }
.brand__text > small { font-size: 11px; letter-spacing: .12em; color: var(--gold); margin-top: 2px; }
.brand__text {
  display: flex; flex-direction: column; line-height: 1.15;
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-mute);
}
.brand__text strong {
  color: var(--ink); font-weight: 500; font-family: var(--serif);
  font-size: 15px; letter-spacing: .04em; text-transform: none;
}

.nav__links {
  display: flex; gap: clamp(14px, 2vw, 26px);
  margin-left: auto; margin-right: 8px;
  font-size: 14px; color: var(--ink-mute);
}
.nav__links a { position: relative; padding: 4px 0; transition: color .2s; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav__toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column; justify-content: center; gap: 5px;
  padding: 0;
}
.nav__toggle { align-items: center; }
.nav__toggle span { display: block; height: 1px; width: 22px; background: var(--ink); transition: transform .3s, opacity .3s; }
.nav.open .nav__toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav.open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav__toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ================ BUTTONS ================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; font-size: 14px; letter-spacing: .08em;
  text-transform: uppercase; font-weight: 500;
  border-radius: 999px;
  transition: transform .3s var(--ease), background .25s, color .25s, border-color .25s;
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--gold {
  background: linear-gradient(135deg, var(--gold-hi), var(--gold) 55%, var(--gold-lo));
  color: var(--ink-inv);
  box-shadow: 0 10px 32px rgba(201,163,90,.22);
}
.btn--gold:hover { filter: brightness(1.1); }
.btn--ghost {
  border: 1px solid var(--line-hi); color: var(--ink);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn--link {
  padding: 14px 6px; letter-spacing: .06em;
  border-bottom: 1px solid var(--line-hi);
  border-radius: 0;
}
.btn--link:hover { border-color: var(--gold); color: var(--gold); transform: translateY(0); }
.btn--wide { width: 100%; }

/* ================ LAYOUT HELPERS ================ */
main { padding-top: 0; position: relative; z-index: 2; }
.section-head {
  max-width: var(--maxw); margin: 0 auto clamp(32px, 5vw, 72px);
  padding: 0 var(--pad);
  display: grid; gap: 14px;
}
.section-head--center { text-align: center; justify-items: center; }
.sec-num {
  font-family: var(--serif); font-size: 13px; letter-spacing: .3em;
  color: var(--gold); text-transform: uppercase;
}
.section-head h2 {
  margin: 0;
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(32px, 4.6vw, 64px); line-height: 1.05;
  letter-spacing: -0.01em;
  max-width: 22ch;
}
.section-head--center h2 { max-width: 18ch; }
.section-sub {
  max-width: 62ch;
  color: var(--ink-mute);
  font-size: clamp(15px, 1.2vw, 18px);
  margin: 0;
}
.kicker {
  font-size: 12px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--gold);
}
.kicker--mute { color: var(--ink-mute); }

/* reveal */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ================ HERO ================ */
.hero {
  min-height: 100vh;
  padding: calc(var(--pad) + 140px) var(--pad) var(--pad);
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  position: relative;
}
.hero__text {
  display: grid; gap: clamp(24px, 4vw, 48px);
  min-width: 0;
}
.hero::before {
  content: ""; position: absolute; top: 18%; right: -10vw;
  width: 55vw; height: 55vw; max-width: 720px; max-height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,163,90,.12), transparent 60%);
  filter: blur(30px);
  z-index: -1;
}
.hero__portrait {
  position: relative;
  width: clamp(220px, 22vw, 320px);
  aspect-ratio: 3/4;
  margin: 0;
  align-self: center;
  opacity: 0;
  animation: heroFadeIn 1s .3s var(--ease) forwards;
}
.hero__portrait img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 25%;
  border-radius: 4px;
  filter: contrast(1.04) saturate(.95);
  box-shadow: 0 20px 50px rgba(0,0,0,.4);
  display: block;
}
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center;
  padding-bottom: 8px; border-bottom: 1px solid var(--line);
  max-width: 560px;
}
.hero__title {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(32px, 6vw, 92px);
  line-height: 1; letter-spacing: -0.02em;
  margin: 0;
}
.hero__title em {
  font-weight: 400; font-style: italic;
  background: linear-gradient(180deg, var(--gold-hi), var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 4vw, 60px);
  align-items: end;
}
.hero__symptoms { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.hero__symptoms li {
  display: flex; gap: 14px; align-items: baseline;
  padding: 10px 0; border-bottom: 1px solid var(--line);
  font-size: 16px; color: var(--ink);
  transition: color .3s, border-color .3s, padding-left .3s var(--ease);
}
.hero__symptoms li:hover { color: var(--gold); border-color: var(--gold-lo); padding-left: 8px; }
.hero__symptoms span {
  font-family: var(--serif); color: var(--gold); font-size: 13px;
  letter-spacing: .1em; min-width: 28px;
}
.hero__claim {
  font-family: var(--serif); font-size: clamp(19px, 1.7vw, 26px);
  line-height: 1.45; color: var(--ink);
  max-width: 36ch; margin: 0;
  padding-left: clamp(16px, 2vw, 28px);
  border-left: 1px solid var(--gold);
}
.hero__cta {
  display: flex; flex-wrap: wrap; gap: 18px; align-items: center;
  margin-top: 20px;
}

.scroll-hint {
  position: absolute; bottom: 24px; left: var(--pad);
  display: flex; align-items: center; gap: 12px;
  font-size: 11px; letter-spacing: .3em; color: var(--ink-dim);
  text-transform: uppercase;
}
.scroll-hint i {
  width: 44px; height: 1px; background: var(--ink-dim); position: relative; overflow: hidden; display: block;
}
.scroll-hint i::after {
  content: ""; position: absolute; inset: 0;
  background: var(--gold);
  animation: scrollline 2.4s infinite var(--ease);
}
@keyframes scrollline {
  0%   { transform: translateX(-100%); }
  50%  { transform: translateX(0); }
  100% { transform: translateX(100%); }
}

/* ================ STATS ================ */
.stats {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(48px, 6vw, 96px) var(--pad);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat {
  display: grid; gap: 10px;
  padding: 8px 0;
  border-left: 1px solid var(--line);
  padding-left: clamp(14px, 2vw, 28px);
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(40px, 5.5vw, 84px);
  color: var(--gold);
  letter-spacing: -.02em; line-height: 1;
}
.stat span { font-size: 13px; color: var(--ink-mute); max-width: 24ch; }

/* ================ ABOUT ================ */
.about {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(80px, 10vw, 140px) var(--pad);
  position: relative;
}
.about__portrait {
  float: right;
  width: clamp(220px, 30vw, 360px);
  margin: 0 0 28px clamp(24px, 4vw, 56px);
  shape-outside: inset(0 round 12px);
  position: relative;
}
.about__portrait img {
  width: 100%; height: auto; display: block;
  border-radius: 12px;
  aspect-ratio: 3/4;
  object-fit: cover; object-position: center 20%;
  filter: grayscale(.1) contrast(1.04);
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
}
.about__portrait figcaption {
  margin-top: 14px;
  text-align: right;
  line-height: 1.45;
}
.about__portrait figcaption strong {
  display: block;
  font-family: var(--serif); font-weight: 500;
  font-size: 16px; color: var(--ink);
  letter-spacing: .02em;
}
.about__portrait figcaption {
  font-size: 11px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--gold);
}
.about__body { display: grid; gap: clamp(28px, 4vw, 48px); max-width: 1100px; }
.lead {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(20px, 2.1vw, 32px);
  line-height: 1.35; max-width: 30ch; color: var(--ink);
  margin: 0;
}
.about__metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.about__metrics div { display: grid; gap: 8px; }
.about__metrics b {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(20px, 1.8vw, 28px);
  color: var(--gold); letter-spacing: -.01em;
}
.about__metrics span { color: var(--ink-mute); font-size: 13px; line-height: 1.4; }

.pullquote {
  margin: 0;
  font-family: var(--serif); font-style: italic;
  font-size: clamp(22px, 2.4vw, 38px); line-height: 1.3;
  color: var(--ink);
  padding-left: clamp(30px, 4vw, 60px); position: relative;
  max-width: 30ch;
}
.pullquote span {
  position: absolute; left: 0; top: -.4em;
  font-size: 3em; color: var(--gold); line-height: 1;
  font-family: var(--serif);
}

/* ================ PRINCIPLES ================ */
.principles {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(40px, 6vw, 90px) var(--pad) clamp(80px, 10vw, 140px);
}
.principles__list {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.principles__list li {
  padding: 32px 28px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  display: grid; gap: 16px; align-content: start;
  min-height: 220px;
  position: relative; overflow: hidden;
  transition: background .5s var(--ease);
}
.principles__list li:nth-child(3n) { border-right: 0; }
.principles__list li::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px 200px at 10% 0%, rgba(201,163,90,.1), transparent 60%);
  opacity: 0; transition: opacity .4s;
}
.principles__list li:hover { background: var(--bg-2); }
.principles__list li:hover::before { opacity: 1; }
.principles__list b {
  font-family: var(--serif); font-weight: 300; font-size: 40px;
  color: var(--gold); line-height: 1;
  position: relative; z-index: 1;
}
.principles__list p {
  margin: 0; font-size: 16px; color: var(--ink); line-height: 1.45;
  position: relative; z-index: 1;
  max-width: 26ch;
}

/* ================ SERVICES ================ */
.services {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(60px, 8vw, 120px) var(--pad);
}
.services__filter {
  max-width: var(--maxw); margin: 0 auto 36px;
  padding: 0 var(--pad);
  display: flex; flex-wrap: wrap; gap: 10px;
}
.chip {
  padding: 10px 18px;
  border: 1px solid var(--line-hi);
  border-radius: 999px;
  font-size: 13px; letter-spacing: .06em;
  color: var(--ink-mute);
  transition: all .25s;
}
.chip:hover { color: var(--ink); border-color: var(--ink-mute); }
.chip.is-active {
  background: var(--gold); color: var(--ink-inv); border-color: var(--gold);
}

.services__grid {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 var(--pad);
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px; background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.service {
  background: var(--bg);
  padding: 32px 30px;
  display: grid; gap: 14px; align-content: start;
  min-height: 320px;
  position: relative; overflow: hidden;
  cursor: pointer;
  transition: background .4s var(--ease);
}
.service::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 1px;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform .6s var(--ease);
}
.service:hover { background: var(--bg-2); }
.service:hover::after { transform: scaleX(1); }
.service.is-hidden { display: none; }

.service__top {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  flex-wrap: wrap;
}
.service__num {
  font-family: var(--serif); color: var(--gold); font-size: 14px; letter-spacing: .2em;
}
.service__stage {
  font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-mute);
  padding: 4px 10px; border: 1px solid var(--line-hi); border-radius: 999px;
  margin-right: auto;
}
.service--free .service__stage { color: var(--gold); border-color: rgba(201,163,90,.45); }
.service--flagship .service__stage { color: var(--ink); border-color: var(--gold); background: rgba(201,163,90,.08); }
.service--free .service__price { color: var(--gold); font-weight: 600; }
.service--flagship { background: linear-gradient(180deg, rgba(201,163,90,.04), transparent); }
.service__price {
  font-family: var(--serif); color: var(--ink); font-size: 15px;
  letter-spacing: .02em; white-space: nowrap; font-weight: 500;
}
.service h3 {
  font-family: var(--serif); font-weight: 400; font-size: 22px;
  line-height: 1.2; margin: 0; color: var(--ink);
}
.service__duration {
  margin: -8px 0 0;
  font-size: 12px; letter-spacing: .06em;
  color: var(--ink-mute);
}
.service__meta {
  display: grid; gap: 12px; font-size: 13px; color: var(--ink-mute);
  max-height: 0; overflow: hidden; opacity: 0;
  border: 0; padding: 0; margin: 0;
  transition: max-height .6s var(--ease), opacity .4s, padding .3s, margin .3s;
}
.service__meta p { margin: 0; line-height: 1.5; }
.service.is-open .service__meta {
  max-height: 1200px; opacity: 1;
  border-top: 1px solid var(--line); padding-top: 14px; margin-top: 4px;
}
.service__meta b { color: var(--gold); font-weight: 500; font-family: var(--sans); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; display: block; margin-bottom: 4px; }
.service__toggle {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold); margin-top: auto;
}
.service__toggle i {
  position: relative;
  display: inline-block;
  width: 20px; height: 20px;
  border: 1px solid var(--gold); border-radius: 50%;
  flex-shrink: 0;
  transition: transform .4s var(--ease);
}
.service__toggle i::before,
.service__toggle i::after {
  content: ""; position: absolute;
  top: 50%; left: 50%;
  background: var(--gold);
  transform: translate(-50%, -50%);
}
.service__toggle i::before { width: 8px; height: 1px; }
.service__toggle i::after  { width: 1px; height: 8px; }
.service.is-open .service__toggle i { transform: rotate(45deg); }
.service.is-open .service__toggle { display: none; }

.services__foot {
  max-width: var(--maxw); margin: 48px auto 0;
  padding: 0 var(--pad);
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
}
.services__foot span { color: var(--ink-mute); font-size: 14px; }

/* ================ CASES ================ */
.cases {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(60px, 8vw, 120px) var(--pad);
}
.cases__viewer { position: relative; }
.cases__track {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: 28px;
  scrollbar-width: none;
  padding-bottom: 6px;
}
.cases__track::-webkit-scrollbar { display: none; }
.case {
  flex: 0 0 min(860px, 92%);
  scroll-snap-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(28px, 3.5vw, 48px);
  background: linear-gradient(160deg, var(--bg-2), var(--bg));
  display: grid; gap: clamp(20px, 3vw, 36px);
  position: relative;
  overflow: hidden;
}
.case::before {
  content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--gold), transparent);
}
.case__tag {
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold);
}
.case h3 {
  font-family: var(--serif); font-weight: 400; margin: 0;
  font-size: clamp(24px, 2.8vw, 40px); line-height: 1.15;
  max-width: 26ch;
}
.case__compare {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  border-top: 1px solid var(--line); padding-top: 24px;
}
.case__compare h4 {
  margin: 0 0 10px; font-size: 11px; letter-spacing: .28em;
  text-transform: uppercase; color: var(--ink-mute);
}
.case__compare ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.case__compare li { padding-left: 16px; position: relative; font-size: 14px; color: var(--ink); }
.case__compare li::before {
  content: "—"; position: absolute; left: 0; color: var(--ink-dim);
}
.case__compare .col--after li::before { content: "+"; color: var(--gold); }
.case__quote {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(16px, 1.6vw, 20px); line-height: 1.5;
  color: var(--ink); padding: 20px 24px;
  border-left: 2px solid var(--gold);
  background: rgba(201,163,90,.04);
  border-radius: 4px;
  margin: 0;
}
.case__quote cite { display: block; font-style: normal; font-family: var(--sans); font-size: 12px; color: var(--ink-mute); margin-top: 8px; letter-spacing: .06em; }

.cases__nav {
  display: flex; align-items: center; gap: 24px;
  justify-content: center; margin-top: 36px;
}
.arrow {
  width: 56px; height: 56px; border: 1px solid var(--line-hi);
  border-radius: 50%; display: grid; place-items: center;
  color: var(--ink); font-size: 18px;
  transition: all .25s;
}
.arrow:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

.cases__dots { display: flex; gap: 10px; }
.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--line-hi); transition: all .3s;
}
.dot.is-active { background: var(--gold); transform: scale(1.3); }

/* ================ RESULTS ================ */
.results {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(60px, 8vw, 120px) var(--pad);
}
.results__list {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.results__list li {
  background: var(--bg);
  padding: 32px 28px;
  display: grid; gap: 14px; align-content: start;
  min-height: 180px;
  transition: background .4s, transform .6s var(--ease);
}
.results__list li:hover { background: var(--bg-2); }
.results__list b {
  font-family: var(--serif); font-weight: 300; font-size: 30px;
  color: var(--gold); line-height: 1;
}
.results__list p { margin: 0; font-size: 15px; color: var(--ink); line-height: 1.45; max-width: 26ch; }

/* ================ QUIZ ================ */
.quiz {
  max-width: 960px; margin: 0 auto;
  padding: clamp(60px, 8vw, 120px) var(--pad);
}
.quiz__card {
  background: linear-gradient(160deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--line-hi);
  border-radius: 20px;
  padding: clamp(28px, 4vw, 56px);
  box-shadow: 0 30px 80px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.03);
}
.quiz__progress {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 28px;
  font-size: 12px; letter-spacing: .2em; color: var(--ink-mute);
}
.quiz__bar {
  flex: 1; height: 1px; background: var(--line); margin-right: 20px;
  position: relative; overflow: hidden; border-radius: 2px;
}
.quiz__bar i {
  position: absolute; inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--gold-lo), var(--gold-hi));
  width: 10%;
  transition: width .5s var(--ease);
}
.quiz__stage { min-height: 200px; display: grid; align-content: center; }
.quiz__question {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.3; margin: 0 0 28px;
  color: var(--ink);
}
.quiz__options {
  display: flex; gap: 14px; flex-wrap: wrap;
}
.quiz__options label {
  flex: 1; min-width: 140px;
  padding: 16px 20px; border-radius: 999px;
  border: 1px solid var(--line-hi);
  text-align: center;
  cursor: pointer;
  transition: all .25s;
  font-size: 14px; letter-spacing: .06em;
}
.quiz__options input { position: absolute; opacity: 0; pointer-events: none; }
.quiz__options label:hover { border-color: var(--ink-mute); }
.quiz__options input:checked + label,
.quiz__options label.is-selected {
  background: var(--gold); color: var(--ink-inv); border-color: var(--gold);
}

.quiz__nav {
  margin-top: 32px; display: flex; gap: 16px; justify-content: space-between;
}

.quiz__result { display: grid; gap: 18px; }
.quiz__result .score {
  font-family: var(--serif); font-size: clamp(48px, 6vw, 88px);
  line-height: 1; color: var(--gold); font-weight: 300;
}
.quiz__result h3 {
  margin: 0; font-family: var(--serif); font-weight: 400;
  font-size: clamp(22px, 2.4vw, 30px);
}
.quiz__result p { margin: 0; color: var(--ink-mute); font-size: 16px; line-height: 1.55; max-width: 60ch; }

/* ================ CTA ================ */
.cta {
  background: linear-gradient(180deg, transparent, rgba(201,163,90,.04));
  padding: clamp(60px, 9vw, 140px) var(--pad);
  max-width: var(--maxw); margin: 0 auto;
}
.cta__cards {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}
.cta-card {
  background: var(--bg-2);
  border: 1px solid var(--line-hi);
  border-radius: var(--radius);
  padding: clamp(28px, 3.2vw, 44px);
  display: grid; gap: 18px;
  position: relative;
}
.cta-card--alt { background: linear-gradient(160deg, var(--bg-3) 0%, var(--bg-2) 80%); border-color: rgba(201,163,90,.35); }
.cta-card__kicker {
  font-size: 11px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--gold);
}
.cta-card__title {
  margin: 0; font-family: var(--serif); font-weight: 400;
  font-size: clamp(26px, 2.8vw, 38px); line-height: 1.1;
  max-width: 22ch;
}
.cta-card__title em { font-style: italic; color: var(--gold); }
.cta-card__lead {
  margin: 0; color: var(--ink-mute); font-size: 15px; line-height: 1.55;
}
.cta-card__bonus {
  list-style: none; padding: 0; margin: 4px 0 0; display: grid; gap: 10px;
}
.cta-card__bonus li {
  position: relative; padding-left: 28px; font-size: 14px; color: var(--ink);
}
.cta-card__bonus li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 18px; height: 1px; background: var(--gold);
}

.cta-card__form {
  display: grid; gap: 14px;
  margin-top: 8px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.cta-card__form label {
  display: grid; gap: 6px; font-size: 11px;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-mute);
}
.cta-card__form input[type="text"],
.cta-card__form input[type="tel"],
.cta-card__form textarea {
  width: 100%;
  background: transparent; border: 0;
  border-bottom: 1px solid var(--line-hi);
  padding: 10px 0;
  color: var(--ink);
  font-family: var(--sans); font-size: 15px; letter-spacing: .01em;
  transition: border-color .25s;
  resize: vertical;
}
.cta-card__form textarea { border: 1px solid var(--line-hi); border-radius: 8px; padding: 12px 14px; }
.cta-card__form input:focus,
.cta-card__form textarea:focus { border-color: var(--gold); }
.cta-card__form input:focus:not(:focus-visible),
.cta-card__form textarea:focus:not(:focus-visible) { outline: 0; }
.cta-card__form input:focus-visible,
.cta-card__form textarea:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-color: var(--gold); }
.cta-card__form input::placeholder,
.cta-card__form textarea::placeholder { color: var(--ink-dim); }
.cta-card__form .consent {
  display: flex; align-items: flex-start; gap: 12px;
  text-transform: none; letter-spacing: 0; font-size: 12px;
  color: var(--ink-mute); line-height: 1.4;
}
.cta-card__form .consent input { margin-top: 3px; accent-color: var(--gold); }
.cta-card__form .consent a { color: var(--ink); border-bottom: 1px solid var(--line-hi); }
.cta-card__form .consent a:hover { color: var(--gold); border-color: var(--gold); }
.form-status { margin: 0; font-size: 13px; color: var(--gold); min-height: 1em; }
.form-status.error { color: #e67c7c; }

/* ================ FOOTER ================ */
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding: clamp(48px, 6vw, 80px) var(--pad) 24px;
}
.footer__grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1fr;
  gap: clamp(28px, 4vw, 56px);
}
.footer__brand p { margin: 14px 0 8px; font-size: 14px; line-height: 1.4; color: var(--ink-mute); }
.footer__brand strong { color: var(--ink); font-family: var(--serif); font-weight: 400; font-size: 18px; }
.footer__brand small { color: var(--ink-dim); font-size: 12px; line-height: 1.5; }
.footer h4 {
  margin: 0 0 18px; font-family: var(--sans); font-weight: 500;
  font-size: 11px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold);
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer ul a { color: var(--ink-mute); font-size: 14px; transition: color .2s; }
.footer ul a:hover { color: var(--gold); }
.footer__bar {
  max-width: var(--maxw); margin: 48px auto 0;
  padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--ink-dim); letter-spacing: .1em; text-transform: uppercase;
}
.footer__bar a:hover { color: var(--gold); }

/* ================ COOKIE ================ */
.cookie {
  position: fixed; bottom: 20px; left: 20px; right: 20px; z-index: 50;
  max-width: 560px; margin-inline: auto;
  background: var(--bg-2); border: 1px solid var(--line-hi);
  border-radius: 14px; padding: 18px 20px;
  display: flex; gap: 18px; align-items: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
  animation: slideUp .6s var(--ease);
}
.cookie__actions { display: flex; gap: 8px; flex-shrink: 0; }
.cookie a { color: var(--gold); border-bottom: 1px solid rgba(201,163,90,.3); }
.cookie a:hover { border-color: var(--gold); }
@media (max-width: 540px) {
  .cookie { flex-direction: column; align-items: stretch; gap: 12px; }
  .cookie__actions { width: 100%; }
  .cookie__actions .btn { flex: 1; }
}
.cookie[hidden] { display: none; }
.cookie.is-hidden { opacity: 0; transform: translateY(40px); pointer-events: none; transition: opacity .25s, transform .25s; }
.cookie p { margin: 0; font-size: 13px; color: var(--ink-mute); }
@keyframes slideUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ================ RESPONSIVE ================ */
@media (max-width: 980px) {
  .nav__links { display: none; }
  .nav > .btn { display: none; }
  .nav.open .nav__links {
    display: grid; position: absolute;
    top: 100%; left: 0; right: 0; padding: 28px var(--pad) 32px;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    font-size: 18px; gap: 18px;
  }
  .nav.open .nav__links a::after { display: none; }
  .nav__toggle { display: flex; margin-left: auto; }
  .brand__text { display: none; }
  .hero::before { right: 0; }
  .principles__list,
  .services__grid,
  .results__list { grid-template-columns: repeat(2, 1fr); }
  .principles__list li:nth-child(3n) { border-right: 1px solid var(--line); }
  .principles__list li:nth-child(2n) { border-right: 0; }
  .about__metrics { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .hero { grid-template-columns: 1fr; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__portrait { display: none; }
  .about__portrait {
    float: none;
    width: min(340px, 80%);
    margin: 0 auto 32px;
  }
  .about__portrait figcaption { text-align: center; }
  .cta__cards { grid-template-columns: 1fr; }
  .topbar__loc { display: none; }
  .topbar__phone { display: none; }
  .topbar .btn--sm { padding: 7px 14px; font-size: 10px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .topbar__inner { gap: 8px; padding: 10px 12px; }
  .topbar__contacts { gap: 4px; }
  .topbar__icon { width: 30px; height: 30px; }
  .topbar__icon svg { width: 14px; height: 14px; }
  .topbar .btn--sm { padding: 6px 10px; font-size: 9px; letter-spacing: .04em; }
  .principles__list,
  .services__grid,
  .results__list,
  .stats,
  .about__metrics,
  .case__compare,
  .footer__grid { grid-template-columns: 1fr; }
  .principles__list li { border-right: 0 !important; }
  .stat { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 18px; }
  .stat:first-child { border-top: 0; padding-top: 0; }
  .hero__title { font-size: clamp(36px, 12vw, 72px); }
  .section-head h2, .cta__text h2 { font-size: clamp(28px, 8vw, 40px); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }