:root {
  --ink: #0B1115;
  --ink-2: #101A1F;
  --ink-3: #162127;
  --bone: #F3EEE4;
  --muted: #9AA5A6;
  --bronze: #C4A47A;
  --alert: #C97A5E;
  --line: rgba(243, 238, 228, 0.13);
  --line-soft: rgba(243, 238, 228, 0.07);
  --serif: "Prata", "PT Serif", Georgia, "Times New Roman", serif;
  --sans: "Golos Text", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --pad: clamp(20px, 5vw, 64px);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

[hidden] { display: none !important; }

a { color: inherit; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

h1, h2, h3 { margin: 0; font-weight: 400; }

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

:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  background: var(--bone);
  color: var(--ink);
  padding: 10px 16px;
  font-size: 13px;
  text-decoration: none;
  transition: top 0.18s ease;
}
.skip:focus { top: 12px; }

.eyebrow {
  margin: 0 0 18px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 500;
}

.muted { color: var(--muted); }

.link {
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid rgba(196, 164, 122, 0.5);
  padding-bottom: 1px;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.link:hover { color: var(--bronze); border-bottom-color: var(--bronze); }
.link--lg { font-size: 1.15rem; }

/* ---------- header ---------- */

.hdr {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 17, 21, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.hdr.is-stuck { border-bottom-color: rgba(196, 164, 122, 0.35); }

.hdr__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--bronze);
  color: var(--bronze);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1;
  flex: none;
}

.brand__txt { display: flex; flex-direction: column; gap: 3px; }

.brand__name {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.02em;
}

.brand__sub {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 34px);
}

.nav a:not(.btn) {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.nav a:not(.btn):hover { color: var(--bone); border-bottom-color: var(--bronze); }

.hdr__burger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  padding: 0;
}
.hdr__burger span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--bone);
  transition: transform 0.2s ease;
}
.hdr__burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.hdr__burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border: 1px solid var(--bone);
  border-radius: 2px;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn:hover { background: var(--bronze); border-color: var(--bronze); color: var(--ink); }

.btn--ghost {
  background: transparent;
  color: var(--bone);
  border-color: rgba(243, 238, 228, 0.34);
}
.btn--ghost:hover { background: transparent; color: var(--bronze); border-color: var(--bronze); }

.btn--sm { padding: 11px 20px; font-size: 11px; }
.btn--block { width: 100%; }

/* ---------- hero ---------- */

.hero {
  padding-block: clamp(48px, 7vw, 104px) clamp(56px, 8vw, 112px);
  border-bottom: 1px solid var(--line);
}

.hero__in {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(36px, 6vw, 88px);
  align-items: start;
}

.hero__h1 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5.8vw, 5rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  max-width: 15ch;
  margin-bottom: 26px;
  text-wrap: balance;
}

.hero__lead {
  color: var(--muted);
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  max-width: 50ch;
  margin-bottom: 34px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}

.hero__fine {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(243, 238, 228, 0.58);
  max-width: 46ch;
}

.facts {
  border: 1px solid var(--line);
  border-top: 2px solid var(--bronze);
  background: var(--ink-2);
}

.facts__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-soft);
}
.facts__row:last-child { border-bottom: 0; }

.facts__k {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.facts__v { font-size: 15px; line-height: 1.5; }

.facts__row--rating .facts__v { font-size: 14px; }
.facts__row--rating strong {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 400;
  line-height: 1;
  color: var(--bone);
  margin-right: 4px;
}

/* ---------- sections ---------- */

.sec {
  padding-block: clamp(60px, 8vw, 118px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 96px;
}
.sec--tint { background: var(--ink-2); }
.sec--lead { background: var(--ink-3); }

.sec__head { margin-bottom: clamp(30px, 4vw, 54px); }

.sec__head h2 {
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3.2vw, 2.85rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  max-width: 20ch;
  text-wrap: balance;
}

.sec__head--split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
}

.sec__side {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 38ch;
  border-left: 1px solid var(--bronze);
  padding-left: 18px;
}

.cols {
  display: grid;
  grid-template-columns: minmax(0, 0.66fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
}

.cols__aside .note {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 20px;
}

.plist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.plist__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.plist__item h3 {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 6px;
}
.plist__item p {
  color: var(--muted);
  font-size: 14.5px;
  max-width: 52ch;
  margin: 0;
}

/* ---------- practice rows ---------- */

.rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.rows__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.rows__item:hover { background: rgba(243, 238, 228, 0.025); }

.rows__num {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--bronze);
  padding-top: 4px;
  letter-spacing: 0.06em;
}

.rows__body h3 {
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: -0.005em;
}
.rows__body p {
  color: var(--muted);
  font-size: 14.5px;
  max-width: 58ch;
  margin: 0;
}

.rows__price {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--bone);
  white-space: nowrap;
  padding-top: 6px;
  font-variant-numeric: tabular-nums;
}

.disclaimer {
  margin-top: 20px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 70ch;
}

/* ---------- process ---------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.steps__item {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) 132px;
  gap: clamp(16px, 3vw, 40px);
  padding: clamp(22px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--line);
}

.steps__num {
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1;
  color: var(--bronze);
  letter-spacing: 0.02em;
}

.steps__body h3 {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 6px;
}
.steps__body p {
  color: var(--muted);
  font-size: 14.5px;
  max-width: 62ch;
  margin: 0;
}

.steps__time {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
  padding-top: 6px;
}

/* ---------- cases: signature device ---------- */

.cases {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.case {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(24px, 3vw, 38px);
  display: flex;
  flex-direction: column;
  background: var(--ink);
}

.case__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.case__idx {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.case__tag {
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze);
  border: 1px solid rgba(196, 164, 122, 0.45);
  padding: 3px 8px;
}

.case__figure {
  margin: 0 0 6px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.case__num {
  font-family: var(--serif);
  font-size: clamp(3rem, 6.4vw, 4.7rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--bone);
}

.case__unit {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze);
}

.case__cap {
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.case h3 {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 8px;
}

.case__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 22px;
}

.case__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}
.case__meta div { display: flex; flex-direction: column; gap: 3px; }
.case__meta dt {
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.case__meta dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--bone);
}

/* ---------- faq ---------- */

.faq { border-top: 1px solid var(--line); max-width: 900px; }

.faq__item { border-bottom: 1px solid var(--line); }

.faq__item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 22px 52px 22px 0;
  font-size: 16.5px;
  font-weight: 500;
  transition: color 0.18s ease;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--bronze); }

.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 300;
  color: var(--bronze);
  line-height: 1;
}
.faq__item[open] summary::after { content: "\2212"; }

.faq__a p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
  max-width: 68ch;
  padding-bottom: 24px;
  margin: 0;
}

/* ---------- lead ---------- */

.lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: start;
}

.lead__copy h2 {
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
  max-width: 18ch;
}

.lead__text {
  color: var(--muted);
  font-size: 15px;
  max-width: 46ch;
  margin-bottom: 26px;
}

.lead__phone {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 18px;
}

.lead__fine {
  font-size: 12px;
  line-height: 1.6;
  color: rgba(243, 238, 228, 0.56);
  max-width: 44ch;
}

.panel {
  border: 1px solid var(--line);
  border-top: 2px solid var(--bronze);
  background: var(--ink);
  padding: clamp(22px, 3vw, 36px);
}

.form { display: grid; gap: 18px; }

.field { display: grid; gap: 7px; }

.field label {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field select {
  width: 100%;
  padding: 13px 14px;
  background: #090F12;
  color: var(--bone);
  border: 1px solid rgba(243, 238, 228, 0.2);
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.4;
  transition: border-color 0.18s ease;
}

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23C4A47A' stroke-width='1.2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

.field input::placeholder { color: rgba(243, 238, 228, 0.52); }

.field input:focus,
.field select:focus {
  border-color: var(--bronze);
  outline: 2px solid rgba(196, 164, 122, 0.55);
  outline-offset: 1px;
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"] { border-color: var(--alert); }

.err {
  margin: 0;
  font-size: 12.5px;
  color: var(--alert);
}

.form__fine {
  font-size: 11.5px;
  line-height: 1.55;
  color: rgba(243, 238, 228, 0.56);
  margin: 0;
}

.done:focus { outline: none; }

.done__eyebrow {
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 14px;
}

.done__t {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.done__text {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 18px;
}

.done__text-out {
  margin: 0 0 20px;
  padding: 16px;
  background: #090F12;
  border: 1px solid var(--line);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.done__btns { display: flex; flex-wrap: wrap; gap: 12px; }

.done__status {
  min-height: 18px;
  margin: 12px 0 4px;
  font-size: 12.5px;
  color: var(--bronze);
}

.linkbtn {
  background: none;
  border: 0;
  padding: 6px 0 0;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(154, 165, 166, 0.5);
}
.linkbtn:hover { color: var(--bronze); text-decoration-color: var(--bronze); }

/* ---------- contacts ---------- */

.contacts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.contacts__col {
  background: var(--ink);
  padding: clamp(20px, 2.4vw, 30px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.contacts__k {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.contacts__v {
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
}
.contacts__v strong {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
}

.contacts__note {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

.contacts__col .btn { margin-top: 6px; }

/* ---------- footer ---------- */

.ftr {
  padding-block: 44px 40px;
  background: var(--ink);
}

.ftr__in {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.ftr__brand { display: flex; flex-direction: column; gap: 5px; }
.ftr__name { font-family: var(--serif); font-size: 18px; }
.ftr__sub {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.ftr__meta p,
.ftr__legal p {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}
.ftr__meta a { white-space: nowrap; }
.ftr__legal p { color: rgba(154, 165, 166, 0.75); }

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  .hero__in { grid-template-columns: 1fr; }
  .facts { max-width: 480px; }
  .sec__head--split { grid-template-columns: 1fr; align-items: start; gap: 20px; }
  .cols { grid-template-columns: 1fr; }
  .cols__aside .note { border-left: 0; padding-left: 0; max-width: 60ch; }
  .lead { grid-template-columns: 1fr; }
  .contacts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .hdr__in { min-height: 66px; }
  .hdr__burger { display: flex; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--pad) 22px;
  }
  .nav.is-open { display: flex; }
  .nav a:not(.btn) {
    padding: 15px 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 14px;
  }
  .nav .btn { margin-top: 16px; align-self: flex-start; }

  .rows__item { grid-template-columns: 42px minmax(0, 1fr); }
  .rows__price { grid-column: 2; padding-top: 0; margin-top: 10px; color: var(--bronze); }

  .steps__item { grid-template-columns: 54px minmax(0, 1fr); }
  .steps__num { font-size: 24px; }
  .steps__time { grid-column: 2; text-align: left; padding-top: 8px; }

  .cases { grid-template-columns: 1fr; }
  .case__num { font-size: clamp(3rem, 12vw, 4.2rem); }
}

@media (max-width: 860px) {
  .ftr__in { grid-template-columns: 1fr; gap: 20px; }
  .ftr { padding-block: 36px; }
}

@media (max-width: 620px) {
  .contacts { grid-template-columns: 1fr; }
  .case__meta { grid-template-columns: 1fr 1fr; }
  .done__btns .btn { flex: 1 1 100%; }
}

@media (max-width: 400px) {
  .hero__h1 { font-size: 2.3rem; }
  .hero__cta .btn { width: 100%; }
  .brand__sub { display: none; }
  .facts__row { padding: 14px 16px; }
  .panel { padding: 20px 16px; }
  .case { padding: 22px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}