:root {
  --bg: #15161a;
  --bg-2: #1d1e23;
  --bg-3: #25262c;
  --line: #2f3038;
  --text: #ebe6dd;
  --text-dim: #a09a90;
  --muted: #6c6960;
  --accent: #c9a96a;
  --accent-soft: #d9c39a;
  --serif: "Manrope", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --sans: "Manrope", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --radius: 4px;
  --max: 1240px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .2s, color .2s; }
a:hover { opacity: .75; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: .01em;
  margin: 0 0 .4em;
}
h1 { font-size: clamp(2.6rem, 6.5vw, 5.4rem); line-height: 1; }
h1 em { font-style: normal; color: inherit; font-weight: inherit; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.1; }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }
.muted { color: var(--text-dim); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .72rem;
  color: var(--accent);
  margin: 0 0 1.2em;
  font-weight: 400;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(21, 22, 26, .85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 18px 28px;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  transition: opacity .2s;
  line-height: 1;
  text-align: center;
}
.brand:hover { opacity: .8; }
.brand img.brand-icon {
  display: block;
  height: 56px;
  width: auto;
  flex: 0 0 auto;
}
.brand img.brand-full { display: none; }
.brand-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: -4px;          /* лежащий «касается» текста */
}
.brand-name {
  font-family: var(--sans);
  font-style: normal;
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: var(--text);
  white-space: nowrap;
  line-height: 1;
}
.brand-sub {
  font-family: var(--sans);
  font-size: .58rem;
  text-transform: uppercase;
  letter-spacing: .44em;
  color: var(--text);
  font-weight: 400;
  margin-top: 5px;
  padding: 0 2px 0 6px;
}
@media (max-width: 900px) {
  .brand img.brand-icon { height: 50px; }
  .brand-name { font-size: .95rem; }
}
@media (max-width: 540px) {
  .brand img.brand-icon { height: 44px; }
  .brand-name { font-size: .85rem; letter-spacing: .03em; }
  .brand-sub { font-size: .5rem; letter-spacing: .38em; margin-top: 4px; }
}
.nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
  font-size: .92rem;
}
.nav a { color: var(--text-dim); }
.nav a:hover { color: var(--text); opacity: 1; }
.phone-link {
  font-size: .95rem;
  letter-spacing: .03em;
  color: var(--text);
  padding-left: 26px;
  border-left: 1px solid var(--line);
}
.burger {
  display: none;
  width: 34px; height: 34px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0;
}
.burger span {
  display: block;
  height: 1.5px;
  background: var(--text);
  transition: transform .25s, opacity .25s;
}

/* HERO */
.hero {
  padding: clamp(28px, 4vw, 56px) 0 clamp(40px, 6vw, 80px);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -20% auto auto;
  width: 60vw; height: 60vw;
  background: radial-gradient(circle, rgba(201,169,106,.08), transparent 60%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 50px;
  align-items: center;
  position: relative;
}
.hero-text h1 { margin-bottom: .25em; }
.hero-lead {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--text-dim);
  max-width: 460px;
  line-height: 1.5;
  margin-top: 1.4em;
}
.hero-cta {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-top: 2em;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: .85rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 400;
  transition: background .2s, color .2s, border-color .2s;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover { background: var(--accent-soft); opacity: 1; }
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); opacity: 1; }

.is-shake { animation: shake .45s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(3px); }
}

.hero-photo {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--bg-2);
  border-radius: 2px;
  overflow: hidden;
  max-width: 360px;
  margin-left: auto;
}
.hero-photo img,
.about-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-photo-placeholder,
.about-photo-placeholder,
.map-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .25em;
  border: 1px dashed var(--line);
  z-index: -1;
}

/* SECTION */
.section-head {
  max-width: 760px;
  margin: 0 0 40px;
}
.section-sub {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  align-items: center;
}
.section-sub-label {
  font-style: normal;
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .72rem;
  color: var(--text-dim);
  margin-right: 6px;
  flex-basis: 100%;
}
@media (min-width: 760px) {
  .section-sub-label { flex-basis: auto; }
}
.section-sub > span {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .9rem;
  color: var(--text-dim);
  background: var(--bg-2);
  font-family: var(--sans);
}
.section-sub > span b {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--accent-soft);
  letter-spacing: .02em;
}
.section-sub > .pill-tantra {
  position: relative;
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  padding-right: 22px;
}
.section-sub > .pill-tantra small {
  display: inline-block;
  margin-left: 8px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  font-size: .68rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: var(--sans);
}

.services {
  padding: clamp(50px, 6vw, 90px) 0;
  border-bottom: 1px solid var(--line);
}
.service-grid {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-grid li {
  background: var(--bg);
  display: flex;
}
.service-card {
  width: 100%;
  height: 100%;
  text-align: left;
  padding: 32px 28px 28px;
  background: var(--bg);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
  min-height: 220px;
  transition: background .25s;
  cursor: pointer;
}
@media (max-width: 600px) {
  .service-card { min-height: 0; padding: 26px 22px 22px; }
  .service-card h3 { font-size: 1.2rem; }
}
.service-card h3 { align-self: start; }
.service-card p { align-self: start; }
.service-card:hover { background: var(--bg-2); }
.service-card h3 { margin: 0; }
.service-card p {
  color: var(--text-dim);
  margin: 0;
  font-size: .95rem;
}
.service-flag {
  font-size: 1.6rem;
  filter: grayscale(.2);
}
.service-more {
  align-self: end;
  font-size: .78rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
}
.service-card--accent {
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
}

/* ABOUT */
.about {
  padding: clamp(50px, 6vw, 90px) 0;
  border-bottom: 1px solid var(--line);
}
.about-inner {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.about-photo {
  aspect-ratio: 4/5;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
  max-width: 320px;
}
.about-text h2 { margin-bottom: .5em; }
.about-text p {
  color: var(--text-dim);
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.55;
  max-width: 520px;
}
.about-text .btn { margin-top: 1.2em; }

/* CERT BANNER */
.cert-banner {
  padding: clamp(44px, 5vw, 70px) 0;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 80% 50%, rgba(201,169,106,.05), transparent 60%),
    var(--bg);
}
.cert-banner-inner {
  display: flex;
  gap: 40px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.cert-banner h2 { margin-bottom: .2em; }
.cert-banner p { color: var(--text-dim); max-width: 480px; margin: 0; }

/* CONTACTS */
.contacts {
  padding: clamp(50px, 6vw, 90px) 0;
}
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: stretch;
}
.contacts-info { display: flex; flex-direction: column; gap: 18px; }
.big-link {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  color: var(--text);
  display: inline-block;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}
.big-link:hover { color: var(--accent); border-color: var(--accent); opacity: 1; }
.socials {
  list-style: none;
  padding: 0; margin: 12px 0 0;
  display: flex; gap: 14px;
}
.socials a {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--text-dim);
}
.socials a:hover { border-color: var(--accent); color: var(--accent); opacity: 1; }

.contacts-map {
  position: relative;
  min-height: 360px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  overflow: hidden;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 22px;
  font-size: .85rem;
  color: var(--text-dim);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px 28px;
  flex-wrap: wrap;
}
.footer-legal {
  font-size: .82rem;
  color: var(--text-dim);
  letter-spacing: .02em;
}
.footer-legal a {
  color: var(--text-dim);
  border-bottom: 1px dotted transparent;
  transition: color .2s, border-color .2s;
}
.footer-legal a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
  opacity: 1;
}
.footer-requisites {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--muted);
  text-align: center;
}

/* Подпись разработчика */
.dev-credit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  letter-spacing: .03em;
  color: var(--text-dim);
  text-decoration: none;
  transition: opacity .2s, color .2s;
  line-height: 1;
}
.dev-credit:hover { color: var(--accent); opacity: 1; }
.dev-credit img {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  display: block;
}
.dev-credit b {
  font-weight: 600;
  color: var(--text);
  transition: color .2s;
}
.dev-credit:hover b { color: var(--accent); }
@media (max-width: 760px) {
  .footer-inner { justify-content: flex-start; gap: 10px 18px; }
  .footer-legal { order: 3; width: 100%; line-height: 1.9; }
  .footer-legal a { display: inline-block; }
  .footer-requisites { text-align: left; }
  .dev-credit { order: 4; width: 100%; margin-top: 4px; }
}

/* MODAL */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.is-open { display: flex; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(10,11,14,.78);
  backdrop-filter: blur(6px);
}
.modal-window {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--line);
  max-width: 640px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: 48px;
  animation: pop .25s ease;
}
.modal-window--narrow { max-width: 460px; text-align: center; padding: 56px 40px 44px; }
.modal-window--narrow h3 { font-size: 1.8rem; margin-top: 18px; }
.modal-window--narrow p { font-family: var(--serif); font-size: 1.15rem; color: var(--text-dim); margin: 0 auto 24px; max-width: 320px; }
.modal-window--narrow .btn { display: inline-flex; }
.modal-icon { color: var(--accent); display: inline-flex; }
.modal-icon--err { color: #d27468; }

/* Чекбокс «Согласие с офертой/политикой» — используется в формах сертификата и записи */
.cert-agree {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  margin: 0 0 22px;
  cursor: pointer;
  position: relative;
  user-select: none;
  font-family: var(--sans);
}
.cert-agree input { position: absolute; opacity: 0; pointer-events: none; }
.cert-agree-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--bg);
  color: transparent;
  transition: border-color .2s, color .2s, background .2s;
  margin-top: 1px;
  flex: 0 0 20px;
}
.cert-agree:hover .cert-agree-box { border-color: var(--accent); }
.cert-agree input:checked + .cert-agree-box {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg);
}
.cert-agree input:focus-visible + .cert-agree-box {
  box-shadow: 0 0 0 3px rgba(201,169,106,.25);
}
.cert-agree-text {
  font-size: .9rem;
  line-height: 1.5;
  color: var(--text-dim);
  letter-spacing: .01em;
  text-transform: none;
  font-weight: 300;
}
.cert-agree-text a {
  color: var(--text);
  border-bottom: 1px dotted var(--text-dim);
}
.cert-agree-text a:hover { color: var(--accent); border-color: var(--accent); opacity: 1; }
.cert-agree.has-error .cert-agree-box { border-color: #d27468; }
.cert-agree .field-error {
  position: absolute;
  bottom: -18px;
  left: 34px;
  font-style: normal;
  font-size: .68rem;
  letter-spacing: .12em;
  color: #d27468;
  opacity: 0;
  transition: opacity .2s;
  pointer-events: none;
  text-transform: uppercase;
}
.cert-agree.has-error .field-error { opacity: 1; }
@keyframes pop {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
.modal-close {
  position: absolute;
  top: 14px; right: 18px;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text-dim);
}
.modal-close:hover { color: var(--text); }
.modal-content h3 {
  font-size: 2rem;
  margin-bottom: .15em;
}
.modal-content .modal-flag {
  font-size: 1.8rem;
}
.modal-content .modal-tag {
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4em;
  display: block;
}
.modal-content p {
  color: var(--text-dim);
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.55;
}
.price-table {
  list-style: none;
  padding: 0; margin: 28px 0 0;
  border-top: 1px solid var(--line);
}
.price-table li {
  display: flex;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: .98rem;
}
.price-table li span:last-child {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--accent-soft);
}
.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.modal-actions .btn {
  flex: 1 1 160px;
  justify-content: center;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
  }
  .nav.is-open { display: flex; }
  .nav a {
    padding: 14px 28px;
    border-bottom: 1px solid var(--line);
  }
  .nav a:last-child { border-bottom: none; }
  .phone-link {
    border-left: none;
    padding-left: 0;
    margin-left: auto;
    font-size: .85rem;
  }
  .burger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .hero-photo { max-width: 100%; margin: 0; order: -1; aspect-ratio: 1/1; }
  .about-inner { grid-template-columns: 1fr; gap: 30px; }
  .about-photo { max-width: 280px; margin: 0; }
  .contacts-grid { grid-template-columns: 1fr; }
  .modal-window { padding: 32px 24px; }
}
@media (max-width: 540px) {
  .container { padding: 0 20px; }
  .header-inner { padding: 16px 20px; gap: 14px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
}