/* =============================================================
   ПГС78 — Landing styles
   Page composition, sections, components.
   Imports tokens via colors_and_type.css.
   ============================================================= */

/* Global guard against horizontal overflow on any device */
html, body {
  overflow-x: clip;     /* clip (not hidden) — preserves position: sticky */
  max-width: 100%;
}
img, video { max-width: 100%; height: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: 12px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              transform var(--dur-quick) var(--ease-out);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.985); }

.btn-primary { background: var(--action-primary); color: #fff; }
.btn-primary:hover { background: var(--action-primary-hover); }

.btn-accent { background: var(--action-accent); color: #fff; }
.btn-accent:hover { background: var(--action-accent-hover); }

.btn-ghost {
  background: transparent;
  color: var(--ink-1000);
  border-color: var(--ink-200);
}
.btn-ghost:hover { background: var(--ink-50); }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-1000);
  text-decoration: none;
  border-bottom: 1px solid var(--brand-orange);
  padding-bottom: 2px;
  transition: opacity var(--dur-base) var(--ease-out);
}
.btn-link:hover { opacity: 0.7; text-decoration: none; }

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--r-2);
}

/* ---------- Container ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-pad-desktop);
}
@media (max-width: 1023px) { .container { padding-inline: var(--container-pad-tablet); } }
@media (max-width: 600px)  { .container { padding-inline: var(--container-pad-mobile); } }

/* ---------- Eyebrow ---------- */
.eyebrow {
  font-size: var(--fs-overline);
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-500);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0;
  z-index: var(--z-nav);
  height: 88px;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled {
  border-bottom-color: var(--ink-100);
  background: rgba(255, 255, 255, 0.96);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
}
.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  height: 100%;
  padding-inline: var(--container-pad-desktop);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (max-width: 1279px) { .site-header__inner { padding-inline: var(--container-pad-desktop); } }
@media (max-width: 1023px) { .site-header__inner { padding-inline: var(--container-pad-tablet); } }
@media (max-width: 767px)  { .site-header__inner { padding-inline: var(--container-pad-mobile); } }
.site-header__left { display: flex; align-items: center; gap: 36px; }
.site-header__logo { height: 44px; display: block; }
.site-header__nav { display: flex; gap: 26px; font-size: 14px; }
.site-header__nav a {
  color: var(--ink-700);
  text-decoration: none;
  font-weight: 400;
  transition: color var(--dur-quick) var(--ease-out);
}
.site-header__nav a:hover,
.site-header__nav a.is-active { color: var(--ink-1000); font-weight: 500; }
.site-header__right { display: flex; align-items: center; gap: 16px; }
.site-header__phone {
  font-size: 14px;
  color: var(--ink-700);
  font-variant-numeric: tabular-nums;
  text-decoration: none;
}
.site-header__cta {
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
  border-radius: 10px;
}
@media (max-width: 1023px) {
  .site-header__left { gap: 24px; }
  .site-header__nav { gap: 18px; font-size: 13px; }
}

/* Burger button (mobile only) — absolute lines, no flex gap reflow */
.burger {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
}
.burger span {
  position: absolute;
  left: 11px;                 /* (44 - 22) / 2 */
  width: 22px;
  height: 2px;
  background: var(--ink-1000);
  border-radius: 2px;
  transform-origin: center;
  transition: transform 280ms cubic-bezier(0.4, 0, 0.2, 1),
              opacity   280ms cubic-bezier(0.4, 0, 0.2, 1);
}
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 28px; }

.burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);       /* collapses cleanly, no fade-ghost */
}
.burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile off-canvas menu — fixed to viewport.
   Sits below the sticky header. Background scroll is NOT locked
   (overflow:hidden on body breaks position:sticky on the header). */
.mobile-nav {
  position: fixed;
  top: 88px;
  left: 0;
  right: 0;
  max-height: calc(100vh - 88px);
  max-height: calc(100dvh - 88px);
  overflow-y: auto;
  overscroll-behavior: contain;   /* internal scroll doesn't bubble */
  -webkit-overflow-scrolling: touch;
  z-index: 90;
  background: #fff;
  border-top: 1px solid var(--ink-100);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  padding: 8px 0 24px;
  transform-origin: top;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
}
@media (max-width: 600px) {
  .mobile-nav {
    top: 72px;
    max-height: calc(100vh - 72px);
    max-height: calc(100dvh - 72px);
  }
}
.mobile-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav nav { display: flex; flex-direction: column; }
.mobile-nav nav a {
  display: block;
  padding: 16px 24px;
  color: var(--ink-1000);
  font-size: 17px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--ink-100);
  transition: background var(--dur-quick) var(--ease-out);
}
.mobile-nav nav a:active,
.mobile-nav nav a:hover { background: var(--surface-warm); }
.mobile-nav__footer {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 24px 0;
}
.mobile-nav__phone {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-1000);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
}
.mobile-nav__footer .btn { width: 100%; }

/* Background scroll is intentionally NOT locked while the menu is open.
   Locking body with overflow:hidden breaks position:sticky on the header. */

/* Mobile layout switch */
@media (max-width: 900px) {
  .site-header__nav { display: none; }
  .site-header__cta { display: none; }
  .burger { display: inline-flex; }
  .site-header__left { gap: 16px; }
  .site-header__right { gap: 12px; }
}
@media (max-width: 600px) {
  .site-header { height: 72px; }
  .site-header__logo { height: 36px; }
  .site-header__phone {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink-1000);
    white-space: nowrap;
  }
}

/* ---------- Hero ---------- */
.hero { padding: 32px 0 96px; }
.hero__eyebrow { margin-bottom: 24px; }
.hero__title {
  font-size: clamp(30px, 4.0vw, 54px);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--ink-1000);
  max-width: 1180px;
  margin: 0;
}
.hero__title-price {
  color: var(--brand-orange);
  white-space: nowrap;
}
.hero__lead {
  margin-top: 28px;
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink-700);
  max-width: 640px;
}
.hero__actions {
  margin-top: 36px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.hero__photo {
  margin-top: 64px;
  height: 560px;
  border-radius: 16px;
  overflow: hidden;
  background-color: #16181B;
  background-image: url('../assets/images/hero.jpg');
  background-size: cover;
  background-position: center 45%;
  position: relative;
}
.hero__caption {
  position: absolute;
  left: 32px;
  bottom: 32px;
  background: rgba(255,255,255,0.94);
  padding: 14px 18px;
  border-radius: 12px;
  display: flex;
  gap: 24px;
  align-items: center;
}
.hero__caption-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.hero__caption-title {
  font-size: 17px;
  font-weight: 600;
  margin-top: 2px;
}
.hero__caption-divider { width: 1px; height: 32px; background: var(--ink-200); }
.hero__caption-spec { font-size: 14px; color: var(--ink-700); }
@media (max-width: 700px) {
  .hero__photo { height: 360px; }
  .hero__caption { left: 16px; right: 16px; bottom: 16px; padding: 12px 14px; gap: 12px; flex-wrap: wrap; }
  .hero__caption-divider { display: none; }
}

/* ---------- Stats ---------- */
.stats {
  padding: 88px 0;
  background: var(--surface-warm);
  border-top: 1px solid var(--ink-100);
  border-bottom: 1px solid var(--ink-100);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  font-variant-numeric: tabular-nums lining-nums;
}
.stats__item { border-left: 1px solid var(--ink-200); padding-left: 20px; }
.stats__value {
  font-size: clamp(48px, 5vw, 72px);
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--ink-1000);
}
.stats__label { margin-top: 12px; font-size: 14px; color: var(--ink-500); }
@media (max-width: 800px) { .stats__grid { grid-template-columns: 1fr 1fr; gap: 24px 20px; } }
@media (max-width: 480px) {
  .stats { padding: 56px 0; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 28px 16px; }
  .stats__item { padding-left: 14px; }
  .stats__value { font-size: 40px; }
  .stats__label { font-size: 13px; margin-top: 8px; }
}

/* ---------- Projects ---------- */
.projects { padding: 120px 0; background: var(--surface-warm); }
.projects.projects--pure { background: var(--surface-pure); }
.projects__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}
.projects__eyebrow { margin-bottom: 20px; }
.projects__title {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin: 0;
}
.projects__lead {
  margin-top: 16px;
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink-700);
  max-width: 56ch;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
@media (max-width: 768px) { .projects__grid { grid-template-columns: 1fr; gap: 24px; } }

.project-card.is-hidden { display: none; }

.projects__more {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}
.projects__more-btn {
  height: 52px;
  padding: 0 32px;
}
.projects__more-btn[hidden] { display: none; }

.project-card {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: box-shadow var(--dur-base) var(--ease-out);
}
.project-card:hover { box-shadow: var(--shadow-2); text-decoration: none; }
.project-card__media {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  position: relative;
}
.project-card__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.92);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.project-card__body {
  padding: 20px 24px;
  border-top: 1px solid var(--ink-100);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.project-card__name { font-size: 17px; font-weight: 600; letter-spacing: -0.005em; }
.project-card__meta { font-size: 13px; color: var(--ink-500); margin-top: 4px; }
.project-card__price {
  font-size: 14px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------- Specs ---------- */
.specs { padding: 120px 0; }
.specs__inner {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 80px;
  align-items: flex-start;
}
@media (max-width: 1023px) { .specs__inner { grid-template-columns: 1fr; gap: 48px; } }

.specs__title {
  font-size: clamp(36px, 4.4vw, 52px);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin: 24px 0 0;
}
.specs__lead {
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-700);
  max-width: 460px;
}
.specs__panel {
  background: var(--surface-warm);
  border: 1px solid var(--ink-100);
  border-radius: 16px;
  padding: 32px;
}
.specs__row {
  padding: 20px 0;
  display: grid;
  grid-template-columns: 4fr 4fr 3fr;
  gap: 16px;
  align-items: baseline;
  border-bottom: 1px solid var(--ink-100);
}
.specs__row:last-child { border-bottom: none; }
.specs__name { font-size: 17px; font-weight: 600; letter-spacing: -0.005em; }
.specs__value { font-size: 15px; color: var(--ink-1000); font-variant-numeric: tabular-nums; }
.specs__note { font-size: 13px; color: var(--ink-500); }
@media (max-width: 600px) {
  .specs__row { grid-template-columns: 1fr; gap: 4px; padding: 16px 0; }
}

/* ---------- Process ---------- */
.process { padding: 120px 0; }
.process__title {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.022em;
  max-width: 800px;
  margin: 24px 0 0;
}
.process__grid {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process__step { border-top: 1px solid var(--ink-1000); padding-top: 24px; }
.process__step-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.process__step-tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.process__step-num {
  font-size: 13px;
  color: var(--ink-500);
  font-variant-numeric: tabular-nums;
}
.process__step-title {
  margin-top: 16px;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.process__step-desc {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-700);
}
@media (max-width: 1023px) { .process__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px)  { .process__grid { grid-template-columns: 1fr; } }

/* ---------- Contact (inverse) ---------- */
.contact {
  padding: 120px 0;
  background: var(--surface-ink);
  color: #fff;
}
.contact__inner {
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 80px;
}
@media (max-width: 1023px) { .contact__inner { grid-template-columns: 1fr; gap: 48px; } }

.contact__eyebrow { color: rgba(255,255,255,0.5); }
.contact__title {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin: 24px 0 0;
  color: #fff;
}
.contact__lead {
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.55;
  color: rgba(255,255,255,0.7);
  max-width: 440px;
}
.contact__meta {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  gap: 36px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  flex-wrap: wrap;
}
.contact__meta a { color: inherit; text-decoration: none; }
.contact__meta a:hover { color: #fff; text-decoration: none; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form__field { display: flex; flex-direction: column; gap: 8px; }
.contact-form__label {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
}
.contact-form__input {
  height: 52px;
  padding: 0 18px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  font-family: inherit;
  font-size: 16px;
  outline: none;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.contact-form__input::placeholder { color: rgba(255,255,255,0.35); }
.contact-form__input:focus {
  border-color: rgba(255,255,255,0.6);
  box-shadow: var(--shadow-focus);
}
.contact-form__submit { margin-top: 8px; height: 52px; font-size: 15px; }
.contact-form__legal {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
  line-height: 1.5;
}

.contact__success {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 40px;
  display: none;
}
.contact__success-title { font-size: 20px; font-weight: 600; }
.contact__success-text {
  margin-top: 12px;
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  line-height: 1.55;
}
.contact__success-back {
  margin-top: 24px;
  height: 40px;
  padding: 0 18px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.24);
  background: transparent;
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
}
.contact.is-sent .contact-form { display: none; }
.contact.is-sent .contact__success { display: block; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--ink-100);
  padding: 48px 0 32px;
  background: #fff;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 3fr 2fr 2fr 2fr 2fr;
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--ink-100);
}
.site-footer__grid--simple { grid-template-columns: 2fr 1fr; gap: 80px; }
@media (max-width: 1023px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .site-footer__grid--simple { grid-template-columns: 1fr 1fr; gap: 48px; }
}
@media (max-width: 600px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: 24px; }
  .site-footer__grid--simple { grid-template-columns: 1fr; gap: 24px; }
}
.site-footer__brand p {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-500);
  max-width: 280px;
}
.site-footer__col-title {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.site-footer__col ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.site-footer__col li,
.site-footer__col a {
  font-size: 14px;
  color: var(--ink-1000);
  text-decoration: none;
}
.site-footer__col a:hover { text-decoration: underline; }
.site-footer__bottom {
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-500);
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer__bottom a { color: var(--ink-500); text-decoration: none; }
.site-footer__bottom a:hover { color: var(--ink-1000); text-decoration: none; }
.site-footer__legal { display: flex; gap: 24px; flex-wrap: wrap; }

.site-footer__hours {
  color: var(--ink-500) !important;
  font-size: 13px;
}

.site-footer__legal-info {
  margin-top: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink-100);
  display: grid;
  grid-template-columns: 1fr 1fr 2.4fr 1.4fr;
  gap: 20px;
  font-size: 12px;
  color: var(--ink-500);
  line-height: 1.55;
  margin-bottom: 8px;
}
.site-footer__legal-info strong {
  color: var(--ink-1000);
  font-weight: 600;
  font-size: 13px;
}
@media (max-width: 768px) {
  .site-footer__legal-info {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}