:root {
  --color-bg: #f7f3ee;
  --color-surface: #ffffff;
  --color-surface-muted: #f1eae2;

  --color-text: #162124;
  --color-text-muted: #667073;

  --color-primary: #1d2b2d;
  --color-primary-hover: #2a5f5b;

  --color-accent: #9b583e;
  --color-accent-soft: #d59d80;

  --color-border: #d8d2c9;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;

  --shadow-soft: 0 18px 50px rgba(29, 43, 45, 0.08);

  --container: 1200px;
  --pad-x: 32px;
  --section-y: 112px;
}

@media (max-width: 860px) {
  :root {
    --pad-x: 20px;
    --section-y: 76px;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Golos Text", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: -0.01em;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

h1,
h2,
h3 {
  font-family: "Manrope", system-ui, sans-serif;
  letter-spacing: -0.04em;
  color: var(--color-text);
  margin: 0 0 12px 0;
}

h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 0.98;
  font-weight: 700;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.08;
  font-weight: 650;
}

h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.2;
  font-weight: 600;
}

p {
  margin: 0;
  color: var(--color-text-muted);
}

strong {
  color: var(--color-text);
  font-weight: 600;
}

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

.skip {
  position: absolute;
  left: -9999px;
  top: 16px;
  background: var(--color-bg);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 10px 14px;
}

.skip:focus {
  left: 16px;
  z-index: 10;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(29, 43, 45, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(247, 243, 238, 0.14);
}

.header__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 18px;
  align-items: center;
  padding: 16px var(--pad-x);
}

.brand__name {
  display: block;
  color: var(--color-bg);
  font-family: "Manrope", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand__role {
  display: block;
  color: rgba(247, 243, 238, 0.72);
  font-size: 13px;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: 14px;
}

.nav__link {
  color: rgba(247, 243, 238, 0.85);
  font-size: 14px;
  padding: 10px 10px;
  border-radius: 999px;
  transition: background 0.2s ease;
}

.nav__link:hover {
  background: rgba(247, 243, 238, 0.08);
}

.header__cta {
  white-space: nowrap;
}

@media (max-width: 860px) {
  .header__inner {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand cta"
      "nav nav";
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .brand {
    grid-area: brand;
  }
  .nav {
    grid-area: nav;
    flex-wrap: wrap;
    gap: 8px;
  }
  .header__cta {
    grid-area: cta;
  }
}

/* Hero */
.hero {
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 84px 0 72px 0;
}

.hero h1 {
  color: var(--color-bg);
}

.hero__lead {
  color: rgba(247, 243, 238, 0.78);
  max-width: 680px;
  font-size: 18px;
  margin-top: 14px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 44px;
  align-items: center;
}

.hero__actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.chip {
  font-size: 13px;
  color: rgba(247, 243, 238, 0.86);
  border: 1px solid rgba(247, 243, 238, 0.22);
  border-radius: 999px;
  padding: 8px 12px;
}

.hero__photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(247, 243, 238, 0.16);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
  background: rgba(247, 243, 238, 0.04);
}

.hero__photo img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

@media (max-width: 860px) {
  .hero {
    padding: 64px 0 60px 0;
  }
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Sections */
.section {
  padding: var(--section-y) 0;
}

.section--muted {
  background: var(--color-surface-muted);
  border-top: 1px solid rgba(216, 210, 201, 0.6);
  border-bottom: 1px solid rgba(216, 210, 201, 0.6);
}

.section__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 28px;
}

.section__sub {
  max-width: 780px;
}

.seo-note {
  font-size: 14px;
  color: var(--color-text-muted);
}

.intro {
  max-width: 880px;
  font-size: 19px;
  color: var(--color-text);
  margin-bottom: 26px;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 1020px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 26px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(42, 95, 91, 0.5);
}

.card__num {
  font-family: "Manrope", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.card--service p {
  margin-top: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn--primary-on-dark {
  background: var(--color-bg);
  color: var(--color-primary);
  border-color: var(--color-bg);
}

.btn--primary-on-dark:hover {
  background: rgba(247, 243, 238, 0.92);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: rgba(42, 95, 91, 0.55);
  color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn--secondary-on-dark {
  background: transparent;
  color: var(--color-bg);
  border-color: rgba(247, 243, 238, 0.35);
}

.btn--secondary-on-dark:hover {
  border-color: rgba(247, 243, 238, 0.65);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: transparent;
}

.btn--ghost:hover {
  color: var(--color-primary-hover);
  transform: translateY(-1px);
}

/* Cases */
.case__desc {
  margin-top: 8px;
}

.case__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

@media (max-width: 720px) {
  .case__metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.metric__value {
  font-family: "Manrope", system-ui, sans-serif;
  font-size: clamp(20px, 2.8vw, 38px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-primary);
  line-height: 1.05;
  white-space: nowrap;
  overflow: hidden;
}

.metric__label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.step__num {
  font-family: "Manrope", system-ui, sans-serif;
  font-weight: 800;
  color: var(--color-accent);
  font-size: 14px;
}

.step h3 {
  margin-bottom: 6px;
}

.step p {
  margin-top: 0;
}

/* Lists */
.list {
  margin: 14px 0 0 0;
  padding-left: 18px;
  color: var(--color-text-muted);
}

.list--tight li {
  margin-bottom: 10px;
}

/* CTA */
.cta {
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 84px 0;
}

.cta h2 {
  color: var(--color-bg);
}

.cta__lead {
  color: rgba(247, 243, 238, 0.78);
  margin-top: 12px;
  max-width: 760px;
}

.cta__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: start;
}

.cta__actions {
  display: grid;
  gap: 12px;
  justify-items: start;
}

@media (max-width: 860px) {
  .cta {
    padding: 64px 0;
  }
  .cta__grid {
    grid-template-columns: 1fr;
  }
  .cta__actions {
    justify-items: stretch;
  }
  .cta__actions .btn {
    width: 100%;
  }
}

/* Footer */
.footer {
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 28px 0;
  border-top: 1px solid rgba(247, 243, 238, 0.12);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}

.footer__name {
  font-family: "Manrope", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.footer__role {
  margin-top: 4px;
  font-size: 13px;
  color: rgba(247, 243, 238, 0.72);
}

.footer__links {
  display: flex;
  gap: 14px;
}

.footer__link {
  color: rgba(247, 243, 238, 0.9);
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(247, 243, 238, 0.22);
  transition: background 0.2s ease, color 0.2s ease;
}

.footer__link:hover {
  background: rgba(247, 243, 238, 0.08);
  border-color: rgba(247, 243, 238, 0.45);
  color: var(--color-bg);
}

@media (max-width: 720px) {
  .footer__grid {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .footer__links {
    flex-wrap: wrap;
  }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
  .card:hover,
  .btn:hover {
    transform: none;
  }
}

/* ── Cases Slider ── */
.cases-section {
  overflow: hidden;
}

.cases__head {
  grid-template-columns: unset !important;
  display: flex !important;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}

.cases-nav-group {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  padding-bottom: 2px;
}

.cases-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
  flex-shrink: 0;
}

.cases-nav-btn:hover {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
  transform: scale(1.06);
}

.cases-nav-btn:disabled {
  opacity: 0.32;
  cursor: default;
  pointer-events: none;
}

.cases-track {
  --track-pad: max(var(--pad-x), calc((100vw - var(--container)) / 2 + var(--pad-x)));
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-inline: var(--track-pad);
  padding-block: 4px 20px;
  scroll-padding-inline-start: var(--track-pad);
  cursor: grab;
  margin-top: 0;
}

.cases-track::-webkit-scrollbar { display: none; }
.cases-track.is-dragging { cursor: grabbing; scroll-snap-type: none; }

.cases-track .case {
  flex: 0 0 390px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
}

.cases-track .case .case__metrics {
  margin-top: auto;
  padding-top: 18px;
}

@media (max-width: 480px) {
  .cases-track .case {
    flex: 0 0 calc(100vw - 56px);
  }
}

.case__platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 14px;
}

.chip--sm {
  font-size: 12px;
  padding: 5px 10px;
}

.metric--accent .metric__value {
  color: var(--color-accent);
}

/* ── Slider metric fix: 2-col grid + smaller font ── */
.cases-track .case__metrics {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cases-track .metric__value {
  font-size: clamp(18px, 2vw, 26px);
  white-space: normal;
  overflow: visible;
}


/* ── Credentials strip ── */
.credentials {
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 24px 0;
  border-bottom: 1px solid rgba(247, 243, 238, 0.08);
}

.credentials__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.credentials__caption {
  font-size: 13px;
  color: rgba(247, 243, 238, 0.6);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.credentials__list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  flex: 1;
}

.cred {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px 10px 10px;
  border-radius: 999px;
  background: rgba(247, 243, 238, 0.06);
  border: 1px solid rgba(247, 243, 238, 0.16);
  color: var(--color-bg);
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.cred:hover {
  background: rgba(247, 243, 238, 0.11);
  border-color: rgba(247, 243, 238, 0.4);
  transform: translateY(-1px);
}

.cred__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-family: "Manrope", system-ui, sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.cred__mark--y {
  background: #FC3F1D;
  color: #fff;
  font-size: 17px;
}

.cred__mark--vk {
  background: #fff;
  color: #0077FF;
  font-size: 12px;
}

.cred__body {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.cred__line1 {
  font-family: "Manrope", system-ui, sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.02em;
}

.cred__line2 {
  font-size: 12px;
  color: rgba(247, 243, 238, 0.6);
  margin-top: 2px;
}

@media (max-width: 720px) {
  .credentials__inner {
    gap: 14px;
  }
  .credentials__caption {
    width: 100%;
  }
}

/* ── Mobile header compact ── */
@media (max-width: 720px) {
  .header__inner {
    padding-top: 10px;
    padding-bottom: 10px;
    gap: 10px;
  }
  .brand__name {
    font-size: 15px;
    line-height: 1.15;
  }
  .brand__role {
    display: none;
  }
  .nav {
    gap: 4px;
  }
  .nav__link {
    font-size: 13px;
    padding: 6px 8px;
  }
  .header__cta {
    padding: 10px 16px;
    font-size: 14px;
  }
}

/* ── Case chips visible on white cards ── */
.case__platforms .chip {
  color: var(--color-primary);
  background: rgba(29, 43, 45, 0.06);
  border: 1px solid rgba(29, 43, 45, 0.14);
}

/* ── Footer footnote ── */
.footer__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(247, 243, 238, 0.1);
  font-size: 11px;
  line-height: 1.4;
  color: rgba(247, 243, 238, 0.5);
}

/* ── Hero bullets ── */
.hero__bullets {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.hero__bullets li {
  position: relative;
  padding-left: 28px;
  color: rgba(247, 243, 238, 0.86);
  font-size: 16px;
  line-height: 1.5;
}
.hero__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 16px;
  height: 8px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

/* ── Cases CTA ── */
.cases-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding: 24px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.cases-cta__text {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin: 0;
  flex: 1;
  min-width: 240px;
}
@media (max-width: 480px) {
  .cases-cta { padding: 20px; }
  .cases-cta .btn { width: 100%; }
}

/* ── Breadcrumbs / Sub-pages ── */
.breadcrumbs {
  font-size: 13px;
  color: rgba(247, 243, 238, 0.6);
  margin: 0 0 18px 0;
}
.breadcrumbs a {
  color: rgba(247, 243, 238, 0.85);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 243, 238, 0.25);
  transition: border-color 0.2s;
}
.breadcrumbs a:hover { border-color: rgba(247, 243, 238, 0.7); }

/* Adjust hero for landing subpages (no portrait) */
.hero > .container > h1 { color: var(--color-bg); margin-top: 0; }
.hero > .container > .hero__lead { max-width: 760px; }

/* ── FAQ accordion ── */
.faq { display: grid; gap: 12px; max-width: 880px; }
.faq__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-soft);
}
.faq__item summary {
  font-family: 'Manrope', system-ui, sans-serif;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  font-family: 'Manrope', system-ui, sans-serif;
  font-weight: 600;
  font-size: 22px;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq__item[open] summary::after { content: '−'; }
.faq__item p { margin-top: 10px; color: var(--color-text-muted); }