/* ========== MA.digital — страницы кейсов ========== */

:root {
  --bg: #0B0B0F;
  --bg-secondary: #12121A;
  --card: #1A1A24;
  --text: #F5F5F7;
  --text-muted: #B8B8C7;
  --accent-1: #8B5CF6;
  --accent-2: #A78BFA;
  --accent-3: #C084FC;
  --glass: rgba(26, 26, 36, 0.55);
  --glass-border: rgba(167, 139, 250, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 72px;
}

html {
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #e0dae8;
  --bg-secondary: #d3cad9;
  --card: #ebe6f0;
  --text: #12121a;
  --text-muted: #4a4a5c;
  --glass: rgba(228, 222, 236, 0.94);
  --glass-border: rgba(100, 60, 180, 0.14);
}

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

body.case-page {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 90% 55% at 50% -12%, rgba(139, 92, 246, 0.12), transparent 55%),
    radial-gradient(ellipse 45% 35% at 100% 40%, rgba(192, 132, 252, 0.07), transparent);
  line-height: 1.6;
}

a {
  color: var(--accent-2);
}

.case-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--glass-border);
  background: linear-gradient(180deg, rgba(11, 11, 15, 0.92), rgba(11, 11, 15, 0.78));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

html[data-theme="light"] .case-header {
  background: linear-gradient(180deg, rgba(238, 234, 244, 0.97), rgba(230, 224, 236, 0.9));
}

.case-header__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.case-header__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}

.case-header__back:hover {
  color: var(--text);
}

.case-header__logo {
  height: 36px;
  width: auto;
}

.case-header__theme {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  border-radius: 999px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  font-size: 1rem;
}

.case-main {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) 1.25rem 4rem;
}

.case-hero {
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.case-hero .label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.case-hero h1 {
  font-size: clamp(2rem, 5vw, 2.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 1rem;
  text-wrap: balance;
}

.case-hero__lead {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 42rem;
  margin: 0 0 1.5rem;
  line-height: 1.65;
}

.case-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), box-shadow 0.35s var(--ease-out), background 0.25s;
}

.btn--primary {
  background: linear-gradient(145deg, #7c4ce8 0%, var(--accent-1) 35%, var(--accent-3) 100%);
  color: #fff;
  box-shadow: 0 6px 28px rgba(139, 92, 246, 0.35);
}

.btn--primary:hover {
  transform: scale(1.03);
}

.btn--ghost {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.btn--ghost:hover {
  transform: scale(1.03);
  border-color: rgba(167, 139, 250, 0.35);
}

.case-block {
  margin-bottom: clamp(2rem, 5vw, 3rem);
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.case-block__label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 0.65rem;
}

.case-block h2 {
  font-size: clamp(1.25rem, 2.8vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.3;
}

.case-block p,
.case-block li {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.case-block p {
  margin: 0 0 1rem;
}

.case-block p:last-child {
  margin-bottom: 0;
}

.case-block ul {
  margin: 0;
  padding-left: 1.2rem;
}

.case-block li + li {
  margin-top: 0.45rem;
}

.case-block--result {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(192, 132, 252, 0.06));
  border-color: rgba(167, 139, 250, 0.22);
}

.case-block--result p,
.case-block--result li {
  color: var(--text);
}

.case-gallery {
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.case-gallery h2 {
  font-size: clamp(1.25rem, 2.8vw, 1.65rem);
  font-weight: 700;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.case-gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.case-shot {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--card);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
}

.case-shot__chrome {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.75rem;
  background: rgba(0, 0, 0, 0.28);
  border-bottom: 1px solid var(--glass-border);
}

html[data-theme="light"] .case-shot__chrome {
  background: rgba(0, 0, 0, 0.06);
}

.case-shot__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(167, 139, 250, 0.45);
}

.case-shot__caption {
  margin-left: auto;
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.case-shot__body {
  padding: 1rem;
  min-height: 180px;
}

.case-shot__body img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-sm) - 2px);
}

.case-shot__mock {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.case-shot__mock-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.case-shot__mock-line {
  height: 8px;
  border-radius: 999px;
  background: rgba(167, 139, 250, 0.18);
}

.case-shot__mock-line--short {
  width: 62%;
}

.case-shot__mock-line--mid {
  width: 82%;
}

.case-shot__mock-btn {
  align-self: flex-start;
  margin-top: 0.35rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-3));
}

.case-shot__mock-btn--muted {
  opacity: 0.75;
}

.case-shot__mock-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.case-shot__mock-kpi {
  padding: 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid var(--glass-border);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.case-shot__mock-kpi strong {
  display: block;
  color: var(--text);
  font-size: 0.85rem;
  margin-top: 0.15rem;
}

.case-shot__mock-chat {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.case-shot__bubble {
  max-width: 88%;
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  font-size: 0.78rem;
  line-height: 1.45;
}

.case-shot__bubble--fox {
  align-self: flex-start;
  background: rgba(167, 139, 250, 0.14);
  color: var(--text);
}

.case-shot__bubble--user {
  align-self: flex-end;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.case-cta {
  text-align: center;
  padding: clamp(2rem, 4vw, 2.75rem);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(167, 139, 250, 0.26);
  background: linear-gradient(120deg, rgba(139, 92, 246, 0.16), rgba(192, 132, 252, 0.1));
}

.case-cta h2 {
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  margin: 0 0 0.65rem;
  letter-spacing: -0.02em;
}

.case-cta p {
  color: var(--text-muted);
  margin: 0 0 1.25rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

.case-footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--glass-border);
}

@media (max-width: 480px) {
  .case-hero__actions {
    flex-direction: column;
  }
  .case-hero__actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }
}