/**
 * ООО «ЧИЛЛДЖОБ» — дизайн-система (премиум B2B)
 * Темы: data-theme="dark" | "light"
 */

/* --- Design tokens --- */
:root {
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Manrope", var(--font-sans);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.2, 0.64, 1);
  --t-fast: 0.15s;
  --t-base: 0.22s;
  --t-slow: 0.45s;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 88px;

  --container: 1120px;
  --header-h: 68px;
}

[data-theme="dark"] {
  --bg: #07070b;
  --bg-elevated: #0f0f16;
  --bg-muted: #12121a;
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-soft: #71717a;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-muted: rgba(99, 102, 241, 0.12);
  --accent-glow: rgba(99, 102, 241, 0.38);
  --shadow-sm: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 20px 50px rgba(0, 0, 0, 0.45);
  --gradient-hero: radial-gradient(ellipse 90% 55% at 50% -25%, rgba(99, 102, 241, 0.22), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(167, 139, 250, 0.08), transparent 45%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
}

[data-theme="light"] {
  --bg: #fafafa;
  --bg-elevated: #ffffff;
  --bg-muted: #f4f4f5;
  --border: #e4e4e7;
  --border-hover: #d4d4d8;
  --text: #18181b;
  --text-muted: #52525b;
  --text-soft: #71717a;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-muted: rgba(79, 70, 229, 0.08);
  --accent-glow: rgba(79, 70, 229, 0.22);
  --shadow-sm: 0 1px 0 rgba(255, 255, 255, 0.8) inset, 0 8px 30px rgba(24, 24, 27, 0.06);
  --shadow-md: 0 20px 50px rgba(24, 24, 27, 0.08);
  --gradient-hero: radial-gradient(ellipse 90% 55% at 50% -25%, rgba(79, 70, 229, 0.1), transparent 55%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + var(--space-4)); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.011em;
  transition: background 0.35s var(--ease-out), color 0.35s var(--ease-out);
}

img { max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 1000;
  padding: 12px 20px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: 16px; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px) {
  .container { padding: 0 32px; }
}
.container--narrow { max-width: 520px; }
.container--text { max-width: 720px; }

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
}
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 1rem;
}
.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__title { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 1rem; }
.section__subtitle { color: var(--text-muted); max-width: 52ch; margin: 0 0 2rem; font-size: 1.0625rem; }
.section__lead { color: var(--text-muted); font-size: 1.0625rem; max-width: 62ch; margin: 0 0 1.5rem; }
.section__cta { margin-top: 2rem; text-align: center; }

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.header__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.header__logo-mark {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  box-shadow: 0 0 20px var(--accent-glow);
}
.header__nav {
  display: flex;
  align-items: center;
  gap: 8px 28px;
}
.header__link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  margin: 0 calc(-1 * var(--space-3));
  border-radius: var(--radius-sm);
  transition: color var(--t-base) var(--ease-out), background var(--t-base) var(--ease-out);
}
.header__link:hover {
  color: var(--text);
  background: var(--accent-muted);
}
.header__link[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: border-color var(--t-base) var(--ease-out), background var(--t-base) var(--ease-out), transform var(--t-fast) var(--ease-out);
}
.theme-toggle:hover {
  border-color: var(--border-hover);
  background: color-mix(in srgb, var(--bg-elevated) 96%, var(--accent));
}
.theme-toggle:active { transform: scale(0.96); }
.theme-toggle::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--text-soft);
  opacity: 0.5;
}
[data-theme="light"] .theme-toggle::after {
  box-shadow: inset -6px -6px 0 0 #fbbf24;
  background: transparent;
  opacity: 1;
}
[data-theme="dark"] .theme-toggle::after {
  box-shadow: inset -2px -2px 0 2px #e4e4e7;
  background: transparent;
  opacity: 0.9;
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  cursor: pointer;
  transition: border-color var(--t-base) var(--ease-out), background var(--t-base) var(--ease-out);
}
.burger:hover {
  border-color: var(--border-hover);
  background: var(--accent-muted);
}
.burger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.25s var(--ease-out), opacity 0.2s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .burger { display: flex; }
  .header__nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 24px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    gap: 0;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s var(--ease-out), opacity 0.3s;
  }
  .header__nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .header__link { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .header__cta { margin-top: 12px; text-align: center; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform var(--t-fast) var(--ease-out),
    background var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out),
    color var(--t-base) var(--ease-out);
}
.btn--sm { padding: 10px 18px; font-size: 0.875rem; min-height: 40px; }
.btn--lg {
  padding: 15px 30px;
  font-size: 1rem;
  min-height: 52px;
  border-radius: var(--radius-md);
}
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}
.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow), 0 1px 0 rgba(255, 255, 255, 0.12) inset;
}
.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 12px var(--accent-glow);
}
.btn--secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.btn--secondary:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--accent);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn--ghost:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--accent-muted);
}
.btn--full { width: 100%; }
.btn:disabled:not(.btn--loading) {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}
.btn.btn--loading {
  cursor: wait;
  transform: none !important;
  pointer-events: none;
}
.btn--loading {
  position: relative;
  color: transparent !important;
}
.btn--loading::after {
  content: "";
  position: absolute;
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.55s linear infinite;
}
.btn--secondary.btn--loading::after,
.btn--ghost.btn--loading::after {
  border-color: rgba(99, 102, 241, 0.25);
  border-top-color: var(--accent);
}
@keyframes btn-spin {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .btn--loading::after { animation: none; border-color: rgba(255, 255, 255, 0.5); }
}

/* --- Trust strip (под hero) --- */
.trust-strip {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-muted) 50%, var(--bg));
}
.trust-strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4) var(--space-7);
  padding: var(--space-4) var(--space-4);
  font-size: 0.8125rem;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}
.trust-strip__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.trust-strip__item strong {
  color: var(--text-muted);
  font-weight: 600;
}
.trust-strip__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}
@media (max-width: 640px) {
  .trust-strip__inner {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: var(--space-8) 0 var(--space-9);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
}
.hero__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin: 0 0 1.25rem;
}
.hero__lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin: 0 0 2rem;
  max-width: 38ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero__panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.hero__visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}
.hero__picture {
  display: block;
  margin: 0;
}
.hero__visual-img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: bottom;
}

.glass-panel {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
  backdrop-filter: blur(16px) saturate(1.1);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--t-slow) var(--ease-out), box-shadow var(--t-slow) var(--ease-out);
}
.hero__panel .glass-panel:hover {
  border-color: color-mix(in srgb, var(--accent) 22%, var(--border));
  box-shadow: var(--shadow-md);
}
.hero__stat { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.hero__stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}
.hero__stat-label { font-size: 0.875rem; color: var(--text-muted); }
.hero__divider { height: 1px; background: var(--border); margin: 20px 0; }
.hero__panel-text { font-size: 0.9375rem; color: var(--text-muted); margin: 0; }

/* --- Sections --- */
.section {
  padding: var(--space-9) 0;
  border-bottom: 1px solid var(--border);
}
.section--tight { padding: var(--space-8) 0; }
.section--muted { background: var(--bg-muted); border-color: transparent; }
.section:last-of-type { border-bottom: none; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
.stat-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: border-color var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.stat-card:hover {
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.stat-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card__label { font-size: 0.8125rem; color: var(--text-muted); }
.trust-note { font-size: 0.75rem; color: var(--text-soft); margin-top: 24px; text-align: center; max-width: 64ch; margin-left: auto; margin-right: auto; }

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.logo-strip__item {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  background: var(--bg-elevated);
  transition: border-color var(--t-base) var(--ease-out), color var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}
.logo-strip__item:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  color: var(--text);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr; }
}
.card {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition:
    border-color var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
}
.card:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
[data-theme="light"] .card:hover {
  box-shadow: 0 16px 48px rgba(24, 24, 27, 0.1);
}
.card__title { font-size: 1.125rem; margin: 0 0 12px; }
.card__text { font-size: 0.9375rem; color: var(--text-muted); margin: 0 0 16px; }
.card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: gap var(--t-base) var(--ease-spring), color var(--t-base) var(--ease-out);
}
.card__link::after {
  content: "→";
  transition: transform var(--t-base) var(--ease-spring);
}
.card__link:hover {
  color: var(--accent-hover);
}
.card__link:hover::after {
  transform: translateX(4px);
}

.vp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 900px) {
  .vp-grid { grid-template-columns: 1fr; }
}
.vp-item {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.vp-item:hover {
  border-color: color-mix(in srgb, var(--accent) 22%, var(--border));
  box-shadow: var(--shadow-sm);
}
.vp-item__icon {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: var(--space-3);
}
.vp-item__title { font-size: 1.125rem; margin: 0 0 var(--space-2); }
.vp-item p { margin: 0; font-size: 0.9375rem; color: var(--text-muted); line-height: 1.6; }

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .case-grid { grid-template-columns: 1fr; }
}
.case-card {
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: border-color var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.case-card:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.case-card__thumb {
  margin: 0;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 40%, var(--bg-elevated));
}
.case-card__thumb img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 800 / 420;
  object-fit: cover;
}
.case-card__body {
  padding: var(--space-6);
}
.case-card__tag {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.case-card__title { font-size: 1.125rem; margin: 12px 0; }
.case-card__body p { margin: 0; font-size: 0.9375rem; color: var(--text-muted); }

.tech-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.tech-list li {
  padding: 10px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  transition: border-color var(--t-base) var(--ease-out), color var(--t-base) var(--ease-out), transform var(--t-fast) var(--ease-out);
}
.tech-list li:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  color: var(--text);
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
@media (max-width: 768px) {
  .quote-grid { grid-template-columns: 1fr; }
}
.quote {
  margin: 0;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.quote:hover {
  border-color: color-mix(in srgb, var(--accent) 20%, var(--border));
  box-shadow: var(--shadow-sm);
}
.quote p { font-size: 1.0625rem; color: var(--text-muted); font-style: italic; margin: 0 0 16px; }
.quote footer { font-size: 0.8125rem; color: var(--text-soft); }

.cta-band {
  padding: var(--space-8) 0;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 12%, var(--bg)) 0%,
    var(--bg-muted) 48%,
    color-mix(in srgb, var(--accent) 6%, var(--bg-muted)) 100%
  );
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band__title { font-size: 1.5rem; margin: 0 0 8px; }
.cta-band__text { margin: 0; color: var(--text-muted); max-width: 42ch; }

/* --- Page inner --- */
.page-hero { padding: var(--space-8) 0 var(--space-6); }
.page-hero--compact { padding: var(--space-6) 0 var(--space-5); }
.page-hero__title { font-size: clamp(1.75rem, 3vw, 2.25rem); margin: 0 0 16px; }
.page-hero__lead { font-size: 1.125rem; color: var(--text-muted); margin: 0; max-width: 56ch; }

.prose { font-size: 1.0625rem; color: var(--text-muted); }
.prose-block p { margin-bottom: 1rem; }
.numbered-list { padding-left: 1.25rem; }
.numbered-list li { margin-bottom: 12px; color: var(--text-muted); }
.bullet-list { padding-left: 1.25rem; color: var(--text-muted); }
.bullet-list li { margin-bottom: 10px; }

/* --- Forms --- */
.form__row { margin-bottom: 20px; }
.form__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-muted);
}
.form__input {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form__input.error-input { border-color: #ef4444; }
.form__textarea { min-height: 140px; resize: vertical; }
.form__error { display: block; font-size: 0.8125rem; color: #ef4444; margin-top: 6px; }
.form__success {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 12%, var(--bg));
  color: var(--accent);
  font-weight: 500;
  margin-top: 16px;
}
.form__success[hidden] { display: none !important; }
.form__note { font-size: 0.75rem; color: var(--text-soft); margin-top: 16px; line-height: 1.5; }
.form__note a { color: var(--accent); }

.contacts-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) {
  .contacts-layout { grid-template-columns: 1fr; }
}
.contacts-aside__title { font-size: 1.25rem; margin: 0 0 20px; }
.req-list { margin: 0; }
.req-list__row { padding: 16px 0; border-bottom: 1px solid var(--border); }
.req-list__row:last-child { border-bottom: none; }
.req-list dt {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-soft);
  margin-bottom: 6px;
}
.req-list dd { margin: 0; font-size: 0.9375rem; color: var(--text-muted); }

/* --- Footer --- */
.footer {
  padding: 56px 0 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-muted);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr; }
}
.footer__logo { font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; }
.footer__tagline { font-size: 0.875rem; color: var(--text-muted); margin: 8px 0 0; }
.footer__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  margin-bottom: 12px;
}
.footer__links { display: flex; flex-direction: column; gap: 8px; }
.footer__links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
}
.footer__links a:hover { color: var(--accent); }
.footer__legal {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}
.footer__legal p { margin: 0 0 6px; font-size: 0.875rem; color: var(--text-muted); }
.footer__legal p:last-child { margin-bottom: 0; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-soft);
}
.footer__bottom a { color: var(--text-muted); }

/* --- Mobile bar --- */
.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
}
.mobile-cta-bar .btn { width: 100%; }
@media (max-width: 640px) {
  .mobile-cta-bar { display: block; }
  body { padding-bottom: 80px; }
}

/* --- Reveal animation --- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
[data-reveal-delay="1"] { transition-delay: 0.1s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .card:hover,
  .stat-card:hover,
  .case-card:hover,
  .problem-card:hover,
  .quote:hover {
    transform: none !important;
  }
  .card__link:hover::after {
    transform: none !important;
  }
}

/* Фокус с клавиатуры (a11y) */
:focus {
  outline: none;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn:focus-visible,
.theme-toggle:focus-visible,
.burger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.skip-link:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* --- UX: narrative & conversion --- */
.hero__microcopy {
  margin: 1.25rem 0 0;
  font-size: 0.8125rem;
  color: var(--text-soft);
  max-width: 36ch;
}
.hero__panel-kicker {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 1rem;
}
.hero__checklist {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.hero__checklist li { margin-bottom: 0.5rem; }
.hero__panel-foot {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-soft);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2.5rem;
}
.section__lead--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section__title--center { text-align: center; }
.eyebrow--center { text-align: center; display: block; }

.section--problem {
  background: linear-gradient(180deg, var(--bg-muted) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 768px) {
  .problem-grid { grid-template-columns: 1fr; }
}
.problem-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: border-color var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}
.problem-card:hover {
  border-color: color-mix(in srgb, var(--accent) 22%, var(--border));
  transform: translateY(-2px);
}
.problem-card__title {
  font-size: 1.0625rem;
  margin: 0 0 10px;
  font-family: var(--font-display);
}
.problem-card__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.section__after {
  text-align: center;
  margin-top: 2rem;
}
.text-cta {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}
.text-cta:hover { text-decoration: underline; }

.card-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 900px) {
  .card-grid--2 { grid-template-columns: 1fr; }
}

.section__cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 2.5rem;
}

.process-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .process-flow {
    grid-template-columns: 1fr;
    gap: 0;
  }
}
.process-step {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.process-step:hover {
  border-color: color-mix(in srgb, var(--accent) 18%, var(--border));
  box-shadow: var(--shadow-sm);
}
@media (max-width: 900px) {
  .process-step { margin-bottom: 12px; }
}
.process-step__num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
}
.process-step__title {
  font-size: 1rem;
  margin: 0 0 6px;
  font-family: var(--font-display);
}
.process-step__text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.process-diagram {
  margin: 0 0 var(--space-6);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}
.process-diagram__img {
  width: 100%;
  height: auto;
  display: block;
}

.cta-band__copy { flex: 1; min-width: 240px; }
.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
@media (max-width: 640px) {
  .cta-band__inner {
    flex-direction: column;
    align-items: stretch;
  }
  .cta-band__actions { width: 100%; }
  .cta-band__actions .btn { flex: 1; justify-content: center; }
}

.section--brief {
  padding-top: 64px;
  padding-bottom: 96px;
  background: var(--bg);
}
.brief-head {
  text-align: center;
  margin-bottom: 2rem;
}
.brief-head .section__lead {
  margin-left: auto;
  margin-right: auto;
}
.form--brief {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--t-base) var(--ease-out);
}
.form--brief:focus-within {
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
}
.form.is-loading {
  opacity: 0.92;
  pointer-events: none;
}
@media (max-width: 480px) {
  .form--brief { padding: 24px 20px; }
}

.section--stats {
  border-bottom: 1px solid var(--border);
}