/* ОПОРА — чёрно-бело-зелёный лендинг. Зелёный только на действии (кнопки) и мелких маркерах. */
:root {
  --ink: #0b0b0b;
  --ink-2: #161616;
  --paper: #ffffff;
  --mist: #f3f3f1;
  --line: #e6e6e3;
  --line-d: #2a2a2a;
  --mute: #6b6b6b;
  --mute-d: #9a9a9a;
  --g: #21d07a;
  --g-hover: #3ee08f;
  --g-ink: #0a7a42;
  --r: 0.5rem;
  --ff: 'Manrope', system-ui, sans-serif;
  --fh: 'Unbounded', 'Manrope', sans-serif;
  --pad: clamp(4.5rem, 11vw, 9.375rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
/* Все размеры в rem: на больших мониторах и телевизорах вся страница крупнеет пропорционально,
   чтобы текст читался с расстояния, а сетка не терялась посреди экрана. */
/* 1920×1080 → 20px, 2560×1440 → 26.7px, 3840×2160 → 40px; на широких, но невысоких экранах (21:9) — по высоте */
@media (min-width: 1600px) { html { font-size: max(16px, min(1.0417vw, 1.852vh)); } }
body { margin: 0; font: 400 1.0625rem/1.6 var(--ff); color: var(--ink); background: var(--paper); overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; }
.wrap { width: min(75rem, 100% - 2.5rem); margin-inline: auto; }
.bw { filter: grayscale(1) contrast(1.08); }

/* ── кнопки ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.625rem;
  min-height: 3.375rem; padding: 0 1.75rem; border: 0; border-radius: 6.25rem;
  font: 700 1rem/1 var(--ff); text-decoration: none; cursor: pointer;
  transition: background-color .25s, color .25s, border-color .25s;
}
.btn--g { background: var(--g); color: var(--ink); }
.btn--g:hover { background: var(--g-hover); }
.btn--g::after { content: '→'; font-weight: 500; transition: transform .3s ease-out; }
.btn--g:hover::after { transform: translateX(0.25rem); }
.btn--sm { min-height: 2.75rem; padding: 0 1.25rem; font-size: 0.9375rem; }
.btn--full { width: 100%; }
.btn--ghost { color: #fff; border: 1px solid rgba(255,255,255,.45); background: transparent; }
.btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn--ghost-dark { color: var(--ink); border: 1px solid var(--ink); background: transparent; }
.btn--ghost-dark:hover { background: var(--ink); color: #fff; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--g); outline-offset: 0.1875rem;
}
.btn[disabled] { opacity: .6; cursor: progress; }

.eyebrow { margin: 0 0 1.375rem; font: 500 0.75rem/1.4 var(--ff); letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.75); }
.eyebrow::before { content: ''; display: inline-block; width: 0.5rem; height: 0.5rem; margin-right: 0.625rem; border-radius: 2px; background: var(--g); vertical-align: 1px; }
.eyebrow--dark { color: var(--mute); }
.h2 { font: 400 clamp(1.75rem, 3.6vw, 2.875rem)/1.15 var(--fh); letter-spacing: -.01em; }

/* ── шапка ── */
.hdr { position: fixed; inset: 0 0 auto; z-index: 50; color: #fff; transition: background-color .3s, border-color .3s; border-bottom: 1px solid transparent; }
.hdr.is-solid { background: rgba(11,11,11,.92); backdrop-filter: blur(0.625rem); border-color: var(--line-d); }
.hdr__in { display: flex; align-items: center; gap: 2rem; height: 4.5rem; }
.logo { display: flex; align-items: center; gap: 0.625rem; text-decoration: none; font: 500 1.125rem/1 var(--fh); letter-spacing: .06em; }
.logo svg { width: 2rem; height: 2rem; }
.nav { display: flex; gap: 1.75rem; margin-left: auto; }
.nav a { position: relative; font-size: 0.9375rem; text-decoration: none; color: rgba(255,255,255,.8); padding: 0.375rem 0; }
.nav a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: currentColor; transition: right .3s ease-out; }
.nav a:hover { color: #fff; }
.nav a:hover::after { right: 0; }
.hdr__tel { font-weight: 700; font-size: 0.9375rem; text-decoration: none; white-space: nowrap; }

/* ── первый экран ── */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; background: var(--ink); color: #fff; overflow: hidden; }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 100% 50%; animation: kb 18s ease-out both; }
.hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,11,11,.88) 0%, rgba(11,11,11,.55) 48%, rgba(11,11,11,.1) 100%), linear-gradient(0deg, rgba(11,11,11,.85) 0%, transparent 45%); }
@keyframes kb { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero__in { position: relative; z-index: 1; padding: 8.75rem 0 clamp(3.5rem, 9vh, 6rem); }
.hero__h { max-width: 15ch; font: 400 clamp(2.25rem, 5.2vw, 4.5rem)/1.05 var(--fh); letter-spacing: -.02em; }
.hero__h em { font-style: normal; color: var(--g); }
.hero__lead { max-width: 46ch; margin: 1.75rem 0 2.25rem; font-size: clamp(1.0625rem, 1.5vw, 1.25rem); color: rgba(255,255,255,.82); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero__note { margin: 1.625rem 0 0; font-size: 0.875rem; color: rgba(255,255,255,.7); }
.dot { display: inline-block; width: 0.5rem; height: 0.5rem; margin-right: 0.625rem; border-radius: 50%; background: var(--g); box-shadow: 0 0 0 0 rgba(33,208,122,.6); animation: pulse 2.2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 0.625rem rgba(33,208,122,0); } 100% { box-shadow: 0 0 0 0 rgba(33,208,122,0); } }

/* ── о компании ── */
.about { padding: var(--pad) 0 calc(var(--pad) * .75); }
.about__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2.5rem, 7vw, 6.875rem); align-items: center; }
.about__text .h2 { margin-bottom: 1.875rem; max-width: 18ch; }
.about__text p:not(.eyebrow) { max-width: 56ch; margin: 0 0 1rem; color: #333; }
.about__ph { margin: 0; border-radius: var(--r); overflow: hidden; aspect-ratio: 5 / 6; background: var(--mist); }
.about__ph img { width: 100%; height: 100%; object-fit: cover; }
.facts { list-style: none; margin: clamp(3.5rem, 8vw, 6.25rem) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.facts li { padding: 1.75rem 1.5rem 0 0; }
.facts li + li { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.facts b { display: block; font: 400 clamp(1.875rem, 3.4vw, 2.75rem)/1 var(--fh); margin-bottom: 0.75rem; }
.facts span { display: block; font-size: 0.9375rem; color: var(--mute); max-width: 22ch; }

/* ── услуги ── */
.services { padding: var(--pad) 0; background: var(--ink); color: #fff; }
.sec-head { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 1.25rem 3.75rem; margin-bottom: 3.5rem; }
.sec-head .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.sec-head__sub { margin: 0; color: var(--mute-d); max-width: 42ch; justify-self: end; }
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.svc { display: flex; flex-direction: column; background: var(--ink-2); border: 1px solid var(--line-d); border-radius: var(--r); overflow: hidden; transition: border-color .3s; }
.svc__ph { aspect-ratio: 10 / 7; overflow: hidden; background: #222; }
.svc__ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease-out; }
.svc__body { position: relative; display: flex; flex-direction: column; flex: 1; padding: 1.625rem 1.625rem 1.5rem; }
.svc__n { position: absolute; top: 1.625rem; right: 1.625rem; font: 400 0.8125rem/1 var(--fh); color: var(--mute-d); }
.svc h3 { font: 500 1.1875rem/1.3 var(--ff); max-width: 22ch; margin-bottom: 0.625rem; }
.svc p { margin: 0 0 1rem; font-size: 0.9375rem; color: #bdbdbd; }
.svc ul { list-style: none; margin: 0 0 1.5rem; padding: 0; font-size: 0.875rem; color: #d8d8d8; }
.svc li { padding: 0.25rem 0 0.25rem 1.125rem; position: relative; }
.svc li::before { content: ''; position: absolute; left: 0; top: 0.8125rem; width: 0.5rem; height: 2px; background: var(--g); }
.svc__go {
  margin-top: auto; align-self: flex-start; display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.75rem; padding: 0;
  background: none; border: 0; border-bottom: 1px solid rgba(255,255,255,.35); color: #fff; font: 700 0.9375rem/1 var(--ff); cursor: pointer;
  transition: border-color .25s, color .25s;
}
.svc__go::after { content: '→'; transition: transform .3s ease-out; }
@media (hover: hover) {
  .svc:hover { border-color: #3d3d3d; }
  .svc:hover .svc__ph img { transform: scale(1.04); }
  .svc__go:hover { color: var(--g); border-color: var(--g); }
  .svc__go:hover::after { transform: translateX(0.25rem); }
}

/* ── фото-полотно ── */
.band { position: relative; height: clamp(22.5rem, 70vh, 45rem); overflow: hidden; background: var(--ink); }
.band img { width: 100%; height: 100%; object-fit: cover; }
.band::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(11,11,11,.7), rgba(11,11,11,.05) 60%); }
.band__txt { position: absolute; left: 0; right: 0; bottom: clamp(2.25rem, 7vh, 4.5rem); z-index: 1; margin-block: 0; color: #fff; font: 400 clamp(1.5rem, 3.4vw, 2.75rem)/1.2 var(--fh); }

/* ── заявка ── */
.request { padding: var(--pad) 0; background: var(--mist); }
.request__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 7vw, 6.875rem); align-items: start; }
.request__info .h2 { max-width: 17ch; }
.request__sub { margin: 1.5rem 0 2.5rem; max-width: 44ch; color: #333; }
.steps { list-style: none; counter-reset: s; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.steps li { counter-increment: s; display: grid; grid-template-columns: 3rem 1fr; grid-template-rows: auto auto; padding: 1.125rem 0; border-bottom: 1px solid var(--line); }
.steps li::before { content: counter(s, decimal-leading-zero); grid-row: span 2; font: 400 0.8125rem/1.9 var(--fh); color: var(--g-ink); }
.steps b { font-weight: 700; }
.steps span { color: var(--mute); font-size: 0.9375rem; }

.form { position: relative; background: var(--paper); border-radius: 0.75rem; padding: clamp(1.5rem, 4vw, 2.75rem); box-shadow: 0 1px 0 var(--line); }
.fld { display: block; margin: 0 0 1.125rem; padding: 0; border: 0; min-width: 0; }
.fld > span, .fld legend { display: block; margin-bottom: 0.5rem; padding: 0; font-size: 0.875rem; font-weight: 700; }
.fld i { font-style: normal; font-weight: 400; color: var(--mute); }
.fld input, .fld select, .fld textarea {
  width: 100%; min-height: 3.375rem; padding: 0.875rem 1rem; border: 1px solid #d6d6d2; border-radius: var(--r);
  background: #fff; font: 400 1rem/1.4 var(--ff); color: var(--ink); transition: border-color .2s;
}
.fld textarea { min-height: 5rem; resize: vertical; }
.fld select { appearance: none; padding-right: 2.75rem; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230b0b0b' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 1.125rem center / 0.75rem auto; }
.fld input:hover, .fld select:hover, .fld textarea:hover { border-color: #9c9c98; }
.fld input:focus, .fld select:focus, .fld textarea:focus { border-color: var(--ink); outline: none; }
.fld__err { display: none; margin-top: 0.375rem; font-size: 0.8125rem; font-style: normal; color: #c62828; }
.fld.is-bad input { border-color: #c62828; }
.fld.is-bad .fld__err { display: block; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips label { position: relative; }
.chips input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chips span { display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 1.125rem; border: 1px solid #d6d6d2; border-radius: 6.25rem; font-size: 0.9375rem; transition: background-color .2s, border-color .2s, color .2s; }
.chips input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.chips input:focus-visible + span { outline: 2px solid var(--g); outline-offset: 2px; }
.form .btn--full { margin-top: 0.5rem; min-height: 3.625rem; font-size: 1.0625rem; }
.form__legal { margin: 0.875rem 0 0; font-size: 0.8125rem; line-height: 1.5; color: var(--mute); }
.form__fail { margin: 0.875rem 0 0; font-size: 0.875rem; color: #c62828; }
.form__ok { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: clamp(1.5rem, 4vw, 2.75rem); background: var(--paper); border-radius: 0.75rem; }
.form__ok[hidden] { display: none; }
.form__ok svg { width: 3.5rem; height: 3.5rem; margin-bottom: 1.375rem; }
.form__ok h3 { font: 400 clamp(1.375rem, 2.4vw, 1.875rem)/1.2 var(--fh); margin-bottom: 0.875rem; }
.form__ok p { margin: 0 0 1.75rem; color: #333; max-width: 40ch; }

/* ── подвал ── */
.ftr { background: var(--ink); color: #fff; padding: 4.5rem 0 1.75rem; font-size: 0.9375rem; }
.ftr__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line-d); }
.ftr a { display: block; text-decoration: none; padding: 0.1875rem 0; }
.ftr a:hover { color: var(--g); }
.ftr p { margin: 0 0 0.375rem; }
.ftr__h { font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--mute-d); margin-bottom: 0.875rem !important; }
.ftr__muted { color: var(--mute-d); }
.logo--ftr { display: flex !important; margin-bottom: 1rem; }
.ftr__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.625rem; padding-top: 1.5rem; font-size: 0.8125rem; color: var(--mute-d); }
.ftr__bottom a { display: inline; padding: 0; text-decoration: underline; text-underline-offset: 2px; }

/* ── липкая кнопка на телефоне ── */
.mbar { display: none; }

/* ── появление при скролле ── */
.reveal { opacity: 0; transform: translateY(1rem); transition: opacity .6s ease-out, transform .6s ease-out; }
.reveal.is-in { opacity: 1; transform: none; }
.svc-grid .reveal:nth-child(3n+2) { transition-delay: .08s; }
.svc-grid .reveal:nth-child(3n+3) { transition-delay: .16s; }

/* ── адаптив ── */
@media (max-width: 1080px) {
  .nav { display: none; }
  .hdr__tel { margin-left: auto; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .about__grid, .request__grid, .sec-head { grid-template-columns: 1fr; }
  .sec-head__sub { justify-self: start; }
  .about__ph { aspect-ratio: 4 / 3; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts li:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 1.75rem; }
  .ftr__grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 1rem; }
  .hdr__in { height: 3.875rem; gap: 0.75rem; }
  .hdr__tel { display: none; }
  .hdr .btn--sm { margin-left: auto; padding: 0 1rem; font-size: 0.875rem; }
  .hdr .btn--sm::after { display: none; }
  .hero__in { padding-bottom: 6.5rem; }
  .hero::after { background: linear-gradient(0deg, rgba(11,11,11,.95) 0%, rgba(11,11,11,.7) 55%, rgba(11,11,11,.35) 100%); }
  .hero__cta .btn { flex: 1 1 100%; }
  .about__ph { display: none; }
  .form .btn--full { padding: 0 1rem; font-size: 1rem; }
  .svc-grid { grid-template-columns: 1fr; }
  .facts li { padding-right: 0.75rem; }
  .facts li + li { padding-left: 0.75rem; }
  .facts li:nth-child(3) { padding-left: 0; }
  .mbar {
    position: fixed; left: 0.75rem; right: 0.75rem; bottom: 0.75rem; z-index: 40; display: flex; align-items: center; justify-content: center;
    min-height: 3.375rem; border-radius: 6.25rem; background: var(--g); color: var(--ink); font-weight: 700; text-decoration: none;
    box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,.35); transition: transform .35s ease-out, opacity .3s;
  }
  .mbar.is-hidden { transform: translateY(5.625rem); opacity: 0; pointer-events: none; }
  .ftr { padding-bottom: 6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* совсем узкие телефоны (320–360px) */
@media (max-width: 360px) {
  .hdr .btn--sm { display: none; }
  .hero__h { font-size: 1.75rem; }
  .h2 { font-size: 1.625rem; }
  .facts b { font-size: 1.75rem; }
  .chips span { padding: 0 0.875rem; }
}

/* телефон, повёрнутый горизонтально: первый экран целиком помещается по высоте */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { min-height: auto; }
  .hero__in { padding: 5.5rem 0 2.5rem; }
  .hero__h { font-size: 1.75rem; max-width: 22ch; }
  .hero .eyebrow { display: none; }
  .hero__lead { margin: 1rem 0 1.5rem; font-size: 1rem; }
  .hero__note { display: none; }
  .hero__cta .btn { flex: 0 1 auto; min-height: 3rem; }
  .eyebrow { margin-bottom: 0.875rem; }
  .hdr__in { height: 3.5rem; }
  .band { height: 80vh; }
}

/* вертикальные экраны (телефоны, планшеты стоя): фото фуры сверху, текст под ним */
@media (max-aspect-ratio: 1/1) {
  .hero { align-items: flex-start; }
  .hero__img { inset: 0 0 auto 0; height: 44svh; object-position: 35% 25%; }
  .hero::after { background: linear-gradient(180deg, rgba(11,11,11,.5) 0, rgba(11,11,11,0) 16%, rgba(11,11,11,0) 26%, var(--ink) 44svh); }
  .hero__in { padding-top: calc(44svh - 4.5rem); }
}