/* Старт — черновой ремонт */
:root {
  --bg: #f3f1ee;
  --bg-deep: #e8e4de;
  --ink: #1c1c1c;
  --ink-soft: #5c6670;
  --signal: #e85d04;
  --signal-deep: #c44d03;
  --paper: #faf9f7;
  --line: rgba(28, 28, 28, 0.12);
  --line-strong: rgba(28, 28, 28, 0.22);
  --font-display: "Unbounded", sans-serif;
  --font-body: "Golos Text", sans-serif;
  --space: clamp(1rem, 2.5vw, 2rem);
  --wide: 72rem;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(232, 93, 4, 0.08), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--signal-deep);
}

.container {
  width: min(100% - 2 * var(--space), var(--wide));
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(243, 241, 238, 0.86);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  min-height: 4rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.logo span {
  color: var(--signal);
}

.nav {
  display: none;
  gap: 1.5rem;
  align-items: center;
}

.nav a {
  text-decoration: none;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

.header-phone {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
  color: var(--ink);
  margin-left: auto;
}

.header-phone:hover {
  color: var(--signal-deep);
}

@media (min-width: 860px) {
  .header-phone {
    margin-left: 0;
    font-size: 0.9375rem;
  }
}

.menu-btn {
  border: 1px solid var(--line-strong);
  background: transparent;
  padding: 0.55rem 0.8rem;
  font: inherit;
  cursor: pointer;
  flex-shrink: 0;
}

.nav--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  inset: 4rem 0 auto 0;
  padding: 1rem var(--space) 1.25rem;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  z-index: 50;
}

.nav__phone {
  font-weight: 600;
  color: var(--ink);
  margin-top: 0.35rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 860px) {
  .nav__phone {
    display: none;
  }
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn:hover {
  text-decoration: none;
  color: inherit;
  transform: translateY(-1px);
}

.btn--signal {
  background: var(--signal);
  color: #fff;
}

.btn--signal:hover {
  background: var(--signal-deep);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--ink);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* После .btn: иначе display:inline-flex перебивает скрытие на мобилке */
a.btn.header-cta {
  display: none;
}

@media (min-width: 860px) {
  .nav,
  .header-phone {
    display: flex;
  }

  a.btn.header-cta {
    display: inline-flex;
  }

  .menu-btn {
    display: none;
  }
}

@media (max-width: 400px) {
  .header-phone {
    display: none;
  }
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: min(92vh, 52rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #f7f4f0;
}

.hero__media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 18, 18, 0.28) 0%, rgba(18, 18, 18, 0.72) 70%, rgba(18, 18, 18, 0.88) 100%),
    url("../img/hero.svg") center / cover no-repeat,
    linear-gradient(135deg, #2a2a2a 0%, #4a3f36 45%, #1c1c1c 100%);
  transform: scale(1.04);
  animation: hero-drift 18s var(--ease) infinite alternate;
}

@keyframes hero-drift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.08) translate3d(-1.5%, -1%, 0);
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: clamp(5rem, 12vh, 8rem) 0 clamp(2.5rem, 6vh, 4rem);
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 12vw, 7.5rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.05em;
  margin: 0 0 1.25rem;
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.1s forwards;
}

.hero__brand em {
  font-style: normal;
  color: var(--signal);
}

.hero__title {
  max-width: 22ch;
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.03em;
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.25s forwards;
}

.hero__lead {
  max-width: 36ch;
  margin: 0 0 1.75rem;
  color: rgba(247, 244, 240, 0.82);
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.4s forwards;
}

.hero .btn-row {
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.55s forwards;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Sections —— */
.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
}

.section--paper {
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.section__eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
}

.section__title {
  margin: 0 0 0.85rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.section__text {
  margin: 0;
  max-width: 42rem;
  color: var(--ink-soft);
}

.section__head {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

/* —— Why / niche —— */
.split {
  display: grid;
  gap: 2rem;
}

@media (min-width: 860px) {
  .split {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: end;
    gap: 3rem;
  }
}

.big-number {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.06em;
  color: var(--ink);
}

.big-number span {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink-soft);
  max-width: 18ch;
}

/* —— Features with icons —— */
.features {
  list-style: none;
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(1.5rem, 4vw, 2.25rem);
}

@media (min-width: 700px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 1.75rem;
  }
}

@media (min-width: 1000px) {
  .features {
    grid-template-columns: repeat(4, 1fr);
  }
}

.features__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 0.85rem 0;
}

.features__icon {
  display: flex;
  color: var(--ink);
  line-height: 0;
}

.features__label {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.3;
  padding-top: 0.35rem;
}

/* —— Steps board (3×3 snake) —— */
.steps-board {
  position: relative;
  margin-top: 0.5rem;
}

.steps-board__path {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: visible;
}

.steps-board__line {
  fill: none;
  stroke: var(--signal);
  stroke-width: 2.5px;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.75;
  vector-effect: non-scaling-stroke;
}

.steps-board__dot {
  fill: var(--signal);
  opacity: 0.85;
  vector-effect: non-scaling-stroke;
}

.steps-board__dot--end {
  fill: var(--ink);
  opacity: 1;
}

.steps {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .steps-board__path {
    display: block;
  }

  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: repeat(3, auto);
    gap: 2.75rem 1.75rem;
  }

  .step {
    grid-row: var(--r);
    grid-column: var(--c);
  }
}

.step {
  display: grid;
  gap: 0.85rem;
  padding: 0;
  border: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  background: transparent;
}

.step.is-in {
  opacity: 1;
  transform: none;
}

.step__body {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 0.5rem;
  padding: 0.35rem 0.15rem 0.35rem;
  background: var(--paper);
  position: relative;
  z-index: 1;
}

.step__visual {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  position: relative;
  z-index: 1;
}

.step__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.step__n {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--signal);
  padding-top: 0.2rem;
}

.step h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 560;
  letter-spacing: -0.02em;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.45;
}

@media (max-width: 899px) {
  .steps {
    border-left: 2px solid rgba(232, 93, 4, 0.35);
    padding-left: 1.1rem;
    margin-left: 0.35rem;
  }
}

/* —— Promise strip —— */
.promise {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 700px) {
  .promise {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.promise__item h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.promise__item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.975rem;
}

.promise__item {
  padding-top: 1rem;
  border-top: 2px solid var(--signal);
}

/* —— Materials —— */
.materials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.materials li {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  opacity: 0.88;
}

.materials li::after {
  content: "·";
  margin-left: 1.25rem;
  color: var(--signal);
}

.materials li:last-child::after {
  content: none;
}

/* —— Calculator (interactive = card ok) —— */
.calc {
  background: var(--ink);
  color: #f7f4f0;
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.calc label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  color: rgba(247, 244, 240, 0.7);
}

.calc input {
  width: 100%;
  max-width: 16rem;
  min-height: 3rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid rgba(247, 244, 240, 0.25);
  background: transparent;
  color: #fff;
  font: inherit;
  margin-bottom: 1.25rem;
}

.calc input:focus {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.calc__result {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.04em;
  margin: 0.25rem 0 0.5rem;
}

.calc__note {
  margin: 0 0 1.25rem;
  color: rgba(247, 244, 240, 0.65);
  font-size: 0.9rem;
  max-width: 36ch;
}

/* —— Cases —— */
.cases {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 760px) {
  .cases {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case {
  display: block;
  text-decoration: none;
  color: inherit;
}

.case__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-deep);
  margin-bottom: 0.85rem;
  border: 1px solid var(--line);
}

.case__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case__area {
  position: absolute;
  left: 0.75rem;
  bottom: 0.75rem;
  padding: 0.35rem 0.55rem;
  background: rgba(28, 28, 28, 0.82);
  color: #f7f4f0;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.case h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.case__price {
  margin: 0;
  color: var(--signal);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.case p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* —— FAQ —— */
.faq {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--signal);
  font-weight: 600;
}

.faq details[open] summary::after {
  content: "–";
}

.faq p {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  max-width: 48rem;
}

/* —— Form —— */
.lead-form {
  display: grid;
  gap: 0.85rem;
  max-width: 28rem;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  font: inherit;
  color: var(--ink);
}

.lead-form textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.lead-form input:focus,
.lead-form textarea:focus {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
}

.form-note {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* —— Page hero (inner SEO pages) —— */
.page-hero {
  padding: clamp(3rem, 8vw, 5rem) 0 clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
  max-width: 16ch;
}

.page-hero p {
  margin: 0;
  max-width: 40rem;
  color: var(--ink-soft);
}

.stub-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.stub-list li + li {
  margin-top: 0.4rem;
}

/* —— Consult (director CTA) —— */
.consult {
  padding: 0 0 clamp(3rem, 6vw, 4.5rem);
}

.consult__card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(200px, 300px);
  align-items: end;
  gap: 1.5rem;
  min-height: 20rem;
  padding: 2.5rem 3rem 2.25rem;
  overflow: hidden;
  border-radius: 4px;
  background:
    radial-gradient(ellipse 42% 70% at 88% 80%, rgba(232, 93, 4, 0.16), transparent 70%),
    var(--ink);
  color: #f7f4f0;
}

.consult__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  max-width: min(52rem, calc(100% - 11rem));
  padding-bottom: 0.5rem;
  padding-right: 0.5rem;
}

.consult__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 2.1rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.consult__title em {
  font-style: normal;
  color: var(--signal);
}

.consult__title span {
  display: inline;
  margin-left: 0.2em;
  font-family: var(--font-body);
  font-size: 0.52em;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: none;
  color: rgba(247, 244, 240, 0.75);
  vertical-align: middle;
}

.consult__form {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.4fr) auto;
  gap: 0.85rem;
  align-items: stretch;
  width: 100%;
  min-width: 0;
}

.consult__input {
  width: 100%;
  min-width: 0;
  min-height: 3.5rem;
  padding: 0.85rem 1.35rem;
  border: 0;
  border-radius: 2px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  outline: none;
}

.consult__input:focus {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
}

.consult__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3.25rem;
  padding: 0.75rem 1.5rem;
  border: 0;
  border-radius: 2px;
  background: var(--signal);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.consult__submit:hover {
  background: var(--signal-deep);
  transform: translateY(-1px);
}

.consult__submit span {
  font-size: 1.1rem;
  line-height: 1;
}

.consult__note {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: rgba(247, 244, 240, 0.55);
}

.consult__person {
  position: absolute;
  right: 0.75rem;
  bottom: 0;
  width: min(34%, 300px);
  height: 108%;
  pointer-events: none;
  z-index: 0;
}

.consult__person img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom center;
}

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

@media (max-width: 900px) {
  .consult__card {
    grid-template-columns: 1fr;
    padding: 2rem 1.75rem 0;
    min-height: 0;
  }

  .consult__body {
    max-width: none;
    padding-bottom: 0;
  }

  .consult__form {
    grid-template-columns: 1fr;
  }

  .consult__person {
    position: relative;
    right: auto;
    width: min(260px, 70%);
    height: 17.5rem;
    margin: 0.5rem auto 0;
  }

  .consult__title span {
    display: block;
    margin: 0.65rem 0 0;
    font-size: 0.95rem;
  }
}

@media (max-width: 640px) {
  .consult__card {
    padding: 1.75rem 1.25rem 0;
  }

  .consult__person {
    height: 15rem;
  }
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--line-strong);
  padding: 2.5rem 0 2rem;
  background: var(--ink);
  color: rgba(247, 244, 240, 0.78);
}

.site-footer a {
  color: rgba(247, 244, 240, 0.88);
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 760px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.site-footer .logo {
  color: #fff;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.footer-col h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(247, 244, 240, 0.5);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li + li {
  margin-top: 0.45rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(247, 244, 240, 0.12);
  font-size: 0.85rem;
  color: rgba(247, 244, 240, 0.45);
}

/* —— Reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .hero__media {
    transform: none;
  }

  .hero__brand,
  .hero__title,
  .hero__lead,
  .hero .btn-row,
  .reveal,
  .step {
    opacity: 1;
    transform: none;
  }
}