@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=Syne:wght@700;800;900&family=Space+Mono:wght@400;700&family=Bebas+Neue&display=swap');
@import 'variables.css';
@import 'animations.css';

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-secondary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

/* ===== LAYOUT ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: var(--space-32) 0;
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 400;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -80%;
  width: 60%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.28), transparent);
  transform: skewX(-20deg);
  transition: none;
  pointer-events: none;
}

.btn-primary:hover::before {
  left: 130%;
  transition: left 0.65s ease;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

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

.btn-white:hover {
  background-color: var(--color-bg-alt);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
}

/* ===== HEADER / NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: linear-gradient(135deg, #0b1428 0%, #0d1a35 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.6);
}

/* 3-колонка: лого | меню | cta */
.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-8);
  height: 72px;
  overflow: visible;
}

.nav-logo {
  display: flex;
  align-items: center;
  grid-column: 1;
}

.nav-logo img {
  height: 56px;
  max-height: 56px;
  width: auto;
  display: block;
  /* Logo image already includes its own colors for dark background */
  filter: none !important;
  mix-blend-mode: normal !important;
  object-fit: contain;
  object-position: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  grid-column: 2;
}

.nav-link {
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.82);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: white;
  transition: width var(--transition-base);
}

/* ===== DROPDOWN MENU ===== */
.nav-item-dropdown {
  position: relative;
}

.nav-link-dropdown {
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-link-dropdown .dropdown-arrow {
  display: inline-block;
  font-size: 10px;
  transition: transform var(--transition-base);
  line-height: 1;
  color: rgba(255, 255, 255, 0.7);
}

.nav-item-dropdown:hover .dropdown-arrow,
.nav-item-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  z-index: var(--z-dropdown);
}

.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: white;
  border-left: 1px solid var(--color-border);
  border-top: 1px solid var(--color-border);
  rotate: 45deg;
}

.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.dropdown-menu li a:hover {
  background-color: rgba(37, 99, 235, 0.07);
  color: var(--color-primary);
}

.dropdown-menu li a .dd-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

/* ===== NESTED SUBMENU ===== */
.dropdown-submenu {
  position: relative;
}

.dropdown-submenu > a {
  justify-content: space-between;
}

.dropdown-submenu > a .sub-arrow {
  font-size: 10px;
  margin-left: auto;
  padding-left: 6px;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.dropdown-submenu:hover > a .sub-arrow,
.dropdown-submenu.open > a .sub-arrow {
  transform: rotate(90deg);
}

.dropdown-submenu > a:hover {
  background-color: rgba(37, 99, 235, 0.07);
  color: var(--color-primary);
}

.subdropdown-menu {
  position: absolute;
  top: -0.5rem;
  left: calc(100% + 6px);
  min-width: 210px;
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-8px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  z-index: calc(var(--z-dropdown) + 10);
}

.dropdown-submenu:hover .subdropdown-menu,
.dropdown-submenu.open .subdropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.subdropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.subdropdown-menu li a:hover {
  background-color: rgba(37, 99, 235, 0.07);
  color: var(--color-primary);
}

.nav-link:hover,
.nav-link.active {
  color: white;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  grid-column: 3;
  justify-self: end;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  grid-column: 3;
  justify-self: end;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: white;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.open span:nth-child(2) {
  opacity: 0;
}

.burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== HERO SECTION ===== */
.hero {
  padding-top: calc(72px + var(--space-20));
  padding-bottom: var(--space-24);
  background: linear-gradient(135deg, #eff6ff 0%, #ffffff 50%, #f0fdf4 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-16);
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero-title .highlight {
  position: relative;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 40%, #db2777 80%, #2563eb 100%);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 5s ease infinite;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-10);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.hero-stat-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: -0.03em;
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
}

/* Карточка с логотипом в герое */
.hero-visual-card {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 5s ease-in-out infinite;
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.10) 0%, rgba(29, 78, 216, 0.06) 60%, rgba(147, 197, 253, 0.12) 100%);
  border: 1.5px solid rgba(37, 99, 235, 0.18);
  border-radius: 2.5rem;
  padding: 3.5rem 3rem;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 30px 80px rgba(37, 99, 235, 0.14),
    0 8px 30px rgba(37, 99, 235, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-visual-card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-visual-card::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(147, 197, 253, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-logo-hero {
  max-width: 340px;
  width: 100%;
  height: auto;
  border-radius: 0;
  box-shadow: none;
  filter: brightness(0) saturate(100%) invert(27%) sepia(88%) saturate(1500%) hue-rotate(213deg) brightness(105%);
  position: relative;
  z-index: 1;
  transition: transform 0.4s ease, filter 0.4s ease;
}

.hero-visual-card:hover .hero-logo-hero {
  transform: scale(1.04);
  filter: brightness(0) saturate(100%) invert(22%) sepia(95%) saturate(1800%) hue-rotate(213deg) brightness(110%);
}

/* Hide broken/missing images — no white placeholder boxes */
img:not([src]), img[src=""] {
  display: none;
}
img::before {
  content: none;
}

/* ===== CARDS ===== */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 1.5rem;
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
}

.card-text {
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-link:hover {
  color: inherit;
}

/* ===== GRID LAYOUTS ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  color: var(--color-text-light);
  margin-top: var(--space-4);
  line-height: var(--line-height-relaxed);
}

.footer-logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: var(--space-4);
}

.footer-heading {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: white;
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.footer-requisites {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer-requisites .footer-heading { margin-bottom: var(--space-3); }
.footer-requisites .footer-copy { margin-bottom: 0.35rem; font-size: 0.8125rem; }
.footer-requisites .footer-copy:last-child { margin-bottom: 0; }

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: all var(--transition-base);
  font-size: var(--font-size-lg);
}

.social-link:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* ===== FORM ELEMENTS ===== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-input.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-error-msg {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: calc(72px + var(--space-16)) 0 var(--space-16);
  background: linear-gradient(135deg, var(--color-secondary) 0%, #1e3a5f 100%);
  color: white;
  text-align: center;
}

.page-hero h1 {
  color: white;
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  justify-content: center;
  margin-top: var(--space-4);
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: white;
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.text-white { color: white; }

.bg-alt { background-color: var(--color-bg-alt); }

/* Секция «Почему мы» — лёгкий фон */
.bg-why {
  background-color: #f8faff;
}
.bg-dark { background-color: var(--color-bg-dark); }
.bg-primary { background-color: var(--color-primary); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===== HEADER BUTTON OVERRIDE ===== */
.header .btn-primary {
  background: rgba(255,255,255,0.09);
  color: rgba(255,255,255,0.88);
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: none;
}

.header .btn-primary::before {
  display: none;
}

.header .btn-primary:hover {
  background: rgba(255,255,255,0.16);
  color: #ffffff;
  border-color: rgba(255,255,255,0.35);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* ===== BACK TO TOP ===== */
#backToTop {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.2s;
  z-index: 8000;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

#backToTop.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#backToTop:hover {
  background: var(--color-primary-dark);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.5);
}

/* ===== CALLBACK FAB ===== */
@keyframes fab-bounce {
  0%, 100% { transform: translateY(0) scale(1); }
  20%       { transform: translateY(-10px) scale(1.05); }
  40%       { transform: translateY(-4px) scale(1); }
  60%       { transform: translateY(-7px) scale(1.03); }
  80%       { transform: translateY(-2px) scale(1); }
}

.callback-fab {
  position: fixed;
  bottom: 5.75rem;
  right: 2rem;
  width: 58px;
  height: 58px;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  font-size: 1.55rem;
  cursor: pointer;
  z-index: 8000;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fab-bounce 2.4s ease-in-out infinite;
  transition: background 0.2s, box-shadow 0.2s;
}

.callback-fab:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.55);
  animation-play-state: paused;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: white;
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  max-width: 440px;
  width: 100%;
  position: relative;
  transform: scale(0.92) translateY(24px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--shadow-2xl);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  background: var(--color-bg-alt);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: background 0.2s, color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.modal-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.modal-title {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  margin-bottom: 0.5rem !important;
  color: var(--color-secondary);
}

.modal-subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem !important;
}

.time-slots {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.time-slot {
  cursor: pointer;
}

.time-slot input[type="radio"] {
  display: none;
}

.time-slot span {
  display: block;
  padding: 0.4rem 0.875rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: all 0.2s;
  user-select: none;
}

.time-slot input[type="radio"]:checked + span {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-primary);
}

.callback-success {
  text-align: center;
  padding: 1rem 0 0.5rem;
}

.callback-success h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

/* ===== SEARCH ===== */
.search-btn-header {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}

.search-btn-header:hover {
  background: rgba(255, 255, 255, 0.28);
  border-color: rgba(255, 255, 255, 0.6);
  color: white;
}

.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}

.search-overlay.open {
  opacity: 1;
  visibility: visible;
}

.search-box {
  width: 100%;
  max-width: 680px;
  padding: 0 1.5rem;
}

.search-input-wrap {
  display: flex;
  align-items: center;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  margin-bottom: 1rem;
}

.search-icon-inner {
  padding: 0 0.75rem 0 1.25rem;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

#searchInput {
  flex: 1;
  border: none;
  outline: none;
  padding: 1.1rem 0;
  font-size: 1.05rem;
  color: var(--color-text);
  background: transparent;
  font-family: inherit;
}

.search-close-btn {
  padding: 0 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1;
  transition: color 0.2s;
  flex-shrink: 0;
}

.search-close-btn:hover {
  color: var(--color-text);
}

.search-hint {
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
  margin-top: 0.75rem;
}

.search-results {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  max-height: 400px;
  overflow-y: auto;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.15s;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: rgba(37, 99, 235, 0.05);
}

.search-result-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  flex-shrink: 0;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
}

.search-result-title {
  font-size: 0.9rem;
  font-weight: 500;
  flex: 1;
  line-height: 1.4;
}

.search-result-arrow {
  color: var(--color-text-muted);
  flex-shrink: 0;
  font-size: 0.85rem;
}

.search-empty {
  padding: 2.5rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.pagination-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 0.75rem;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.06);
}

.pagination-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.pagination-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ===== HERO NOISE OVERLAY ===== */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.07'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 160px 160px;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: multiply;
}

/* ===== SCROLL PROGRESS BAR ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), #7c3aed, #ec4899);
  z-index: 10000;
  transition: width 0.08s linear;
  border-radius: 0 2px 2px 0;
}

/* ===== PAGE LOADER ===== */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-loader-track {
  width: 200px;
  height: 3px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.page-loader-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #7c3aed);
  border-radius: 3px;
  animation: loaderFill 0.9s ease forwards;
}

/* ===== MARQUEE STRIP ===== */
.marquee-strip {
  background: #0b1428;
  padding: 0.9rem 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 28s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 0 1.25rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.marquee-content span {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s;
}

.marquee-content span:hover {
  color: #ffffff;
}

.marquee-dot {
  color: var(--color-primary-light) !important;
  font-size: 1.2rem;
}

/* ===== WAVE DIVIDERS ===== */
.wave-divider {
  line-height: 0;
  overflow: hidden;
}

.wave-divider svg {
  display: block;
  width: 100%;
  height: 56px;
}

/* ===== SPLIT TEXT ANIMATION ===== */
.split-word {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}

.split-word-inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.75s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.is-split-visible .split-word-inner {
  transform: translateY(0);
}

/* ===== CTA SPOTLIGHT ===== */
.cta-spotlight {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    700px circle at var(--mx, 50%) var(--my, 50%),
    rgba(255, 255, 255, 0.07),
    transparent 60%
  );
  pointer-events: none;
  z-index: 1;
  transition: background 0.1s ease;
}

.section[data-spotlight] {
  position: relative;
  overflow: hidden;
}

.section[data-spotlight] .container {
  position: relative;
  z-index: 2;
}

/* ===================================================
   PRICE CALCULATOR
   =================================================== */
.calc-section {
  background: var(--color-bg-alt);
}

.calc-widget {
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

/* --- Progress steps bar --- */
.calc-progress-steps {
  display: flex;
  align-items: center;
  padding: 1.75rem 2.5rem;
  background: #0b1428;
}

.calc-prog-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.calc-prog-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease;
}

.calc-prog-step.active .calc-prog-dot {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.3);
}

.calc-prog-step.done .calc-prog-dot {
  background: #16a34a;
  color: white;
}

.calc-prog-label {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.calc-prog-step.active .calc-prog-label,
.calc-prog-step.done .calc-prog-label {
  color: rgba(255, 255, 255, 0.85);
}

.calc-prog-line {
  flex: 1;
  height: 2px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 0.75rem 1.3rem;
  transition: background 0.3s;
}

.calc-prog-line.done {
  background: #16a34a;
}

/* --- Content area --- */
.calc-content {
  padding: 2.5rem;
}

.calc-step-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: 1.75rem;
}

/* --- Service selection (step 1) --- */
.calc-service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 0.875rem;
  margin-bottom: 2rem;
}

.calc-service-card {
  padding: 1.25rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.calc-service-card:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.calc-service-card.selected {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.06);
  color: var(--color-primary);
}

/* --- Group label --- */
.calc-group {
  margin-bottom: 2rem;
}

.calc-group-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.875rem;
}

/* --- Base package cards --- */
.calc-base-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 0.875rem;
}

.calc-base-card {
  padding: 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg);
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-primary);
  width: 100%;
}

.calc-base-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.calc-base-card.selected {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.05);
}

.calc-base-name {
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
  font-size: 0.9375rem;
}

.calc-base-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.875rem;
  line-height: 1.45;
}

.calc-base-price {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* --- Extras (checkboxes) --- */
.calc-extras-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 0.625rem;
}

.calc-extra {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.calc-extra input[type="checkbox"] {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.calc-extra:hover {
  border-color: var(--color-primary-light);
}

.calc-extra.selected {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.04);
}

.calc-extra-label {
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-text);
}

.calc-extra-price {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}

/* --- Urgency toggle --- */
.calc-urgency-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.calc-urgency-opt {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.9375rem;
  font-family: var(--font-primary);
  user-select: none;
}

.calc-urgency-opt input[type="radio"] {
  accent-color: var(--color-primary);
}

.calc-urgency-opt:hover {
  border-color: var(--color-primary-light);
}

.calc-urgency-opt.selected {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.06);
  color: var(--color-primary);
  font-weight: 600;
}

.calc-urgency-opt small {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* --- Navigation row --- */
.calc-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

/* --- Result step --- */
.calc-result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.calc-price-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.calc-price-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}

.calc-price-time {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
}

.calc-breakdown {
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.calc-breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding: 0.45rem 0;
  border-bottom: 1px dashed var(--color-border);
  gap: 1rem;
}

.calc-breakdown-item:last-child {
  border-bottom: none;
}

.calc-breakdown-item span:last-child {
  font-weight: 600;
  color: var(--color-text);
  flex-shrink: 0;
}

.calc-result-right {
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.calc-result-note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.calc-success {
  text-align: center;
  padding: 1.25rem 0;
}

.calc-success-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.calc-success p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.9rem;
}

/* --- Responsive (calculator) --- */
@media (max-width: 900px) {
  .calc-result { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 640px) {
  .calc-content { padding: 1.5rem; }
  .calc-progress-steps { padding: 1.25rem 1.5rem; gap: 0; }
  .calc-prog-label { display: none; }
  .calc-service-grid { grid-template-columns: 1fr 1fr; }
  .calc-base-grid { grid-template-columns: 1fr; }
  .calc-extras-grid { grid-template-columns: 1fr; }
  .calc-urgency-row { flex-direction: column; }
  .calc-price-value { font-size: var(--font-size-3xl); }
  .calc-nav { flex-direction: column; gap: 0.75rem; }
  .calc-nav .btn { width: 100%; justify-content: center; }
}

/* =============================================================
   RESPONSIVE — перенесено сюда из responsive.css, чтобы эти
   правила шли ПОСЛЕ базовых стилей и правильно их перебивали
   ============================================================= */

/* ===== XL (≤ 1280px) ===== */
@media (max-width: 1280px) {
  :root {
    --font-size-6xl: 3.25rem;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

/* ===== LG (≤ 1024px) ===== */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-6xl: 2.75rem;
    --font-size-4xl: 2rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-image {
    max-width: 560px;
    margin: 0 auto;
  }

  .hero-image:not(:has(img[src])),
  .hero-image img[style*="display: none"] {
    display: none;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ===== MD (≤ 768px) ===== */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
  }

  /* --- Шапка --- */
  .header {
    height: 80px;
    min-height: 80px;
  }

  /* --- Навигация --- */
  .nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    min-height: 80px;
    grid-template-columns: unset;
    grid-template-rows: unset;
  }

  .nav-cta {
    display: none !important;
  }

  .nav-logo img {
    height: 42px;
    max-height: 42px;
  }

  /* Бургер-кнопка — крупнее для тач */
  .burger {
    display: flex !important;
    grid-column: unset;
    justify-self: unset;
    padding: 10px;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  /* Мобильное меню — скрыто по умолчанию */
  .nav-menu {
    display: none !important;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ffffff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 1rem 1.25rem 2rem;
    gap: 0;
    z-index: 9000;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    pointer-events: auto;
  }

  /* Открытое мобильное меню */
  .nav-menu.open {
    display: flex !important;
    animation: fadeIn 0.2s ease;
  }

  /* Пункты меню на мобильном */
  .nav-menu > li {
    width: 100%;
    text-align: left;
    list-style: none;
  }

  /* Все ссылки в шапке — большие, удобные для тапа */
  .nav-link {
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 12px;
    color: #1e293b !important;
    border-bottom: 1px solid #f1f5f9;
    width: 100%;
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
    text-decoration: none;
  }

  .nav-link:active {
    background: rgba(37, 99, 235, 0.08);
  }

  .nav-link.active {
    color: #2563eb !important;
    font-weight: 600;
  }

  .nav-link::after {
    display: none;
  }

  /* Стрелка у dropdown-пунктов */
  .nav-link-dropdown .dropdown-arrow {
    font-size: 14px;
    color: #94a3b8;
    transition: transform 0.2s ease;
    margin-left: 8px;
  }

  .nav-item-dropdown.open > .nav-link-dropdown .dropdown-arrow {
    transform: rotate(180deg);
  }

  /* Dropdown внутри мобильного меню */
  .dropdown-menu {
    position: static !important;
    transform: none !important;
    box-shadow: none !important;
    border: none !important;
    border-left: 3px solid #e2e8f0 !important;
    background: transparent !important;
    border-radius: 0 !important;
    padding: 0 0 0.5rem 0 !important;
    margin-left: 1rem !important;
    min-width: unset !important;
    width: calc(100% - 1rem) !important;
    display: none !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .dropdown-menu::before {
    display: none !important;
  }

  .nav-item-dropdown.open > .dropdown-menu {
    display: block !important;
  }

  .dropdown-menu li {
    list-style: none;
  }

  .dropdown-menu li a {
    display: flex !important;
    align-items: center;
    color: #334155;
    font-size: 0.95rem;
    padding: 12px 12px !important;
    min-height: 44px;
    border-bottom: 1px solid #f8fafc !important;
    -webkit-tap-highlight-color: transparent;
    white-space: normal;
  }

  .dropdown-menu li a:active {
    background: rgba(37, 99, 235, 0.06) !important;
  }

  /* Вложенное подменю */
  .subdropdown-menu {
    position: static !important;
    transform: none !important;
    box-shadow: none !important;
    border: none !important;
    border-left: 3px solid #dde4f0 !important;
    background: transparent !important;
    border-radius: 0 !important;
    padding: 0 0 0.25rem 0 !important;
    margin-left: 1rem !important;
    min-width: unset !important;
    width: calc(100% - 1rem) !important;
    display: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    margin-top: 0 !important;
  }

  .dropdown-submenu.open > .subdropdown-menu {
    display: block !important;
  }

  .subdropdown-menu li {
    list-style: none;
  }

  .subdropdown-menu li a {
    display: flex !important;
    color: #475569;
    font-size: 0.9rem;
    padding: 11px 12px !important;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
  }

  .dropdown-submenu > a {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding: 12px 12px !important;
    min-height: 44px;
    color: #334155;
    font-size: 0.95rem;
    -webkit-tap-highlight-color: transparent;
  }

  .dropdown-submenu > a .sub-arrow {
    font-size: 12px;
    color: #94a3b8;
    transition: transform 0.2s ease;
  }

  .dropdown-submenu.open > a .sub-arrow {
    transform: rotate(90deg);
  }

  /* --- Кнопки страницы — минимальный размер тач-цели 44×44 --- */
  .btn {
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }

  /* --- Секции --- */
  .section {
    padding: 3rem 0;
  }

  .section-lg {
    padding: 4rem 0;
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  /* --- Сетки --- */
  .grid-3 {
    grid-template-columns: 1fr !important;
  }

  .grid-2 {
    grid-template-columns: 1fr !important;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* --- Hero --- */
  .hero {
    padding-top: calc(80px + 1.5rem);
    padding-bottom: 3rem;
  }

  .hero-content {
    grid-template-columns: 1fr !important;
    text-align: center;
    gap: 2rem;
  }

  .hero-image {
    display: none;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-stats {
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  /* --- Футер --- */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-bottom > div {
    flex-direction: column;
    gap: 0.5rem;
  }

  /* --- Карточки --- */
  .card {
    padding: 1.5rem;
  }

  /* --- Кнопки (размер) --- */
  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

  /* --- Шапка страниц (page-hero) --- */
  .page-hero {
    padding: calc(80px + 1.5rem) 0 2rem;
  }

  .page-hero h1 {
    font-size: 2rem;
  }
}

/* ===== SM (≤ 640px) ===== */
@media (max-width: 640px) {
  :root {
    --container-padding: 1rem;
    --font-size-6xl: 2rem;
    --font-size-5xl: 1.75rem;
    --font-size-4xl: 1.5rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    justify-content: center;
    width: 100%;
  }

  .grid-4 {
    grid-template-columns: 1fr !important;
  }

  .section-header {
    margin-bottom: var(--space-8);
  }

  /* FAB и back-to-top чуть меньше */
  .callback-fab {
    width: 50px;
    height: 50px;
    font-size: 1.3rem;
    bottom: 4.5rem;
    right: 1rem;
  }

  #backToTop {
    width: 40px;
    height: 40px;
    bottom: 1rem;
    right: 1rem;
    font-size: 1.1rem;
  }

  /* Контактная форма */
  .contact-form-card {
    padding: 1.5rem !important;
  }
}

/* ===== INLINE GRID HELPERS ===== */
.responsive-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.responsive-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.featured-post-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.featured-post-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.featured-article-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
}

.articles-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .responsive-2col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .responsive-3col {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .featured-post-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .featured-post-meta {
    gap: 0.75rem;
  }

  .featured-article-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .articles-list-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .featured-post-card {
    padding: 1.5rem !important;
  }
}

/* ===== PRINT ===== */
@media print {
  .header,
  .footer,
  .burger,
  .btn,
  .hero-actions {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  h1, h2, h3 {
    page-break-after: avoid;
  }
}

/* ========================================================
   DARK THEME OVERRIDES
   These override hardcoded light-color values from above
   ======================================================== */

/* --- Typography on dark --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-secondary);
}

/* --- Hero dark --- */
.hero {
  background: linear-gradient(135deg, #060d1e 0%, #091224 60%, #0b1530 100%);
}

.hero::before {
  background: radial-gradient(circle, rgba(37, 99, 235, 0.14) 0%, transparent 70%);
}

.hero::after {
  mix-blend-mode: screen;
  opacity: 0.04;
}

.hero-badge {
  background-color: rgba(37, 99, 235, 0.18);
  color: var(--color-primary-light);
  border: 1px solid rgba(96, 165, 250, 0.25);
}

.hero-stats {
  border-top-color: rgba(255,255,255,0.08);
}

.hero-stat-value {
  color: var(--color-secondary);
}

.hero-visual-card {
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.12) 0%, rgba(29, 78, 216, 0.06) 60%, rgba(96, 165, 250, 0.1) 100%);
  border-color: rgba(96, 165, 250, 0.2);
  box-shadow:
    0 30px 80px rgba(0,0,0,0.5),
    0 8px 30px rgba(37, 99, 235, 0.12),
    inset 0 1px 0 rgba(255,255,255,0.07);
}

.hero-logo-hero {
  filter: brightness(0) invert(1) opacity(0.92);
}

.hero-visual-card:hover .hero-logo-hero {
  filter: brightness(0) invert(1) opacity(1);
}

/* --- Cards dark --- */
.card {
  background-color: var(--color-bg-card);
  border-color: rgba(255,255,255,0.07);
}

.card:hover {
  border-color: rgba(96, 165, 250, 0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(96,165,250,0.15);
}

.card-icon {
  background-color: rgba(37, 99, 235, 0.15);
}

/* --- Section backgrounds --- */
.bg-alt {
  background-color: var(--color-bg-alt);
}

.bg-why {
  background-color: var(--color-bg-alt);
}

/* --- Dropdown menus dark --- */
.dropdown-menu {
  background-color: #111d35;
  border-color: rgba(255,255,255,0.1);
}

.dropdown-menu::before {
  background: #111d35;
  border-left-color: rgba(255,255,255,0.1);
  border-top-color: rgba(255,255,255,0.1);
}

.dropdown-menu li a {
  color: #c8d8f0;
}

.dropdown-menu li a:hover {
  background-color: rgba(37, 99, 235, 0.18);
  color: var(--color-primary-light);
}

.subdropdown-menu {
  background-color: #111d35;
  border-color: rgba(255,255,255,0.1);
}

.subdropdown-menu li a {
  color: #c8d8f0;
}

.subdropdown-menu li a:hover {
  background-color: rgba(37, 99, 235, 0.18);
  color: var(--color-primary-light);
}

.dropdown-submenu > a:hover {
  background-color: rgba(37, 99, 235, 0.18);
  color: var(--color-primary-light);
}

/* --- Mobile menu dark --- */
@media (max-width: 768px) {
  .nav-menu {
    background-color: #0a1222 !important;
  }

  .nav-link {
    color: #c8d8f0 !important;
    border-bottom-color: rgba(255,255,255,0.06) !important;
  }

  .nav-link.active {
    color: var(--color-primary-light) !important;
  }

  .nav-link:active {
    background: rgba(37, 99, 235, 0.12) !important;
  }

  .dropdown-menu {
    border-left-color: rgba(96, 165, 250, 0.25) !important;
    background: transparent !important;
  }

  .dropdown-menu li a {
    color: #9fb8e0 !important;
    border-bottom-color: rgba(255,255,255,0.04) !important;
  }

  .subdropdown-menu {
    border-left-color: rgba(96, 165, 250, 0.15) !important;
    background: transparent !important;
  }

  .subdropdown-menu li a {
    color: #7a96c0 !important;
  }

  .dropdown-submenu > a {
    color: #9fb8e0 !important;
  }
}

/* --- Page loader dark --- */
.page-loader {
  background: var(--color-bg);
}

/* --- Modal dark --- */
.modal {
  background: #111d35;
  color: var(--color-text);
}

.modal-close {
  background: rgba(255,255,255,0.08);
  color: var(--color-text-muted);
}

.modal-close:hover {
  background: rgba(255,255,255,0.14);
  color: var(--color-text);
}

.modal-title {
  color: var(--color-secondary) !important;
}

.modal-subtitle {
  color: var(--color-text-muted) !important;
}

.time-slot span {
  border-color: rgba(255,255,255,0.1);
  color: var(--color-text-muted);
}

/* --- Search dark --- */
.search-input-wrap {
  background: #111d35;
}

#searchInput {
  color: var(--color-text);
  background: transparent;
}

.search-results {
  background: #111d35;
}

.search-result-item {
  color: var(--color-text);
  border-bottom-color: rgba(255,255,255,0.07);
}

.search-result-item:hover {
  background: rgba(37, 99, 235, 0.12);
}

/* --- Forms dark --- */
.form-input,
.form-textarea,
.form-select {
  background-color: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.12);
  color: var(--color-text);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  background-color: rgba(37, 99, 235, 0.06);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-select option {
  background-color: #111d35;
  color: var(--color-text);
}

.form-label {
  color: var(--color-text);
}

/* --- Page hero (inner pages) dark --- */
.page-hero {
  background: linear-gradient(135deg, #060d1e 0%, #0d1d3a 100%);
}

/* --- Wave dividers — hide them in dark theme --- */
.wave-divider {
  display: none;
}

/* --- Calculator dark --- */
.calc-widget {
  background: #0d1628;
  border-color: rgba(255,255,255,0.08);
}

.calc-service-card {
  background: var(--color-bg-card);
  border-color: rgba(255,255,255,0.08);
  color: var(--color-text);
}

.calc-service-card:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary-light);
}

.calc-base-card {
  background: var(--color-bg-card);
  border-color: rgba(255,255,255,0.08);
}

.calc-step-title {
  color: var(--color-secondary);
}

.calc-base-name {
  color: var(--color-secondary);
}

.calc-base-desc {
  color: var(--color-text-muted);
}

.calc-extra {
  border-color: rgba(255,255,255,0.08);
}

.calc-extra-label {
  color: var(--color-text);
}

.calc-urgency-opt {
  border-color: rgba(255,255,255,0.1);
  color: var(--color-text);
}

.calc-nav {
  border-top-color: rgba(255,255,255,0.08);
}

.calc-breakdown {
  border-top-color: rgba(255,255,255,0.08);
}

.calc-breakdown-item {
  color: var(--color-text-muted);
  border-bottom-color: rgba(255,255,255,0.06);
}

.calc-breakdown-item span:last-child {
  color: var(--color-text);
}

.calc-result-right {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
}

.calc-result-note {
  color: var(--color-text-muted);
}

/* --- Contact form card dark --- */
.contact-form-card {
  background: var(--color-bg-card) !important;
  border-color: rgba(255,255,255,0.08) !important;
}

/* --- Pagination dark --- */
.pagination-btn {
  border-color: rgba(255,255,255,0.1);
  color: var(--color-text-muted);
  background: transparent;
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--color-primary-light);
  color: var(--color-primary-light);
  background: rgba(37, 99, 235, 0.1);
}

/* ===== НОВЫЕ СЕКЦИИ — ТЁМНЫЙ ДИЗАЙН ===== */

/* --- Hero: тёмный вариант --- */
.hero-dark-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 5rem 0 4rem;
  position: relative;
  z-index: 1;
}

.hero-dark-text .hero-pretitle {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  border: 1px solid rgba(96,165,250,0.3);
  background: rgba(96,165,250,0.08);
  border-radius: var(--radius-full);
  padding: 0.35rem 1rem;
  margin-bottom: 1.5rem;
}

.hero-dark-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  color: #f0f6ff;
  margin-bottom: 1.75rem;
}

.hero-dark-title .hero-blue {
  background: linear-gradient(90deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroAccentShift 4s ease infinite;
  filter: drop-shadow(0 0 24px rgba(56,189,248,0.45));
}

@keyframes heroAccentShift {
  0%   { background-position: 0% center; }
  50%  { background-position: 100% center; }
  100% { background-position: 0% center; }
}

.hero-dark-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* --- Hero визуальная часть: анимированный график --- */
.hero-chart-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-chart-card {
  background: linear-gradient(145deg, rgba(37,99,235,0.1) 0%, rgba(13,22,40,0.8) 100%);
  border: 1px solid rgba(96,165,250,0.18);
  border-radius: 1.75rem;
  padding: 2.5rem 2rem 2rem;
  backdrop-filter: blur(10px);
  position: relative;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(96,165,250,0.1);
  animation: float 6s ease-in-out infinite;
}

.hero-chart-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.hero-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
  height: 140px;
}

.hero-bar {
  flex: 1;
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, #3b82f6 0%, #1d4ed8 100%);
  position: relative;
  animation: barGrow 1s ease forwards;
  transform-origin: bottom;
  opacity: 0;
}

.hero-bar:nth-child(1) { height: 30%; animation-delay: 0.1s; }
.hero-bar:nth-child(2) { height: 55%; animation-delay: 0.2s; background: linear-gradient(180deg, #2563eb 0%, #1e40af 100%); }
.hero-bar:nth-child(3) { height: 45%; animation-delay: 0.3s; }
.hero-bar:nth-child(4) { height: 75%; animation-delay: 0.4s; background: linear-gradient(180deg, #60a5fa 0%, #2563eb 100%); }
.hero-bar:nth-child(5) { height: 65%; animation-delay: 0.5s; }
.hero-bar:nth-child(6) { height: 90%; animation-delay: 0.6s; background: linear-gradient(180deg, #93c5fd 0%, #3b82f6 100%); }
.hero-bar:nth-child(7) { height: 80%; animation-delay: 0.7s; }
.hero-bar:nth-child(8) { height: 100%; animation-delay: 0.8s; background: linear-gradient(180deg, #bfdbfe 0%, #60a5fa 100%); }

@keyframes barGrow {
  from { opacity: 0; transform: scaleY(0); }
  to { opacity: 1; transform: scaleY(1); }
}

.hero-arrow-line {
  position: absolute;
  top: 1.75rem;
  right: 1.75rem;
  width: 80px;
  height: 60px;
  opacity: 0.7;
}

.hero-stat-badges {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.hero-stat-badge-item {
  flex: 1;
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(96,165,250,0.2);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  text-align: center;
}

.hero-stat-badge-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: #60a5fa;
  line-height: 1;
  margin-bottom: 0.2rem;
}

.hero-stat-badge-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* --- Большие кнопки услуг (service mega sections) --- */
.service-mega-sections {
  padding: 2rem 0 0;
}

.service-mega {
  position: relative;
  overflow: visible;
  border-top: 1px solid rgba(255,255,255,0.06);
  transition: background 0.4s ease;
  cursor: pointer;
}

.service-mega::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 600px 400px at var(--mx, 50%) var(--my, 50%), rgba(37,99,235,0.06), transparent 70%);
  pointer-events: none;
  transition: opacity 0.4s;
  opacity: 0;
}

.service-mega:hover::before {
  opacity: 1;
}

.service-mega-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 3rem 0;
  min-height: 180px;
}

.service-mega-left {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.service-mega-num {
  font-family: var(--font-display);
  font-size: 4rem;
  color: rgba(96,165,250,0.35);
  line-height: 1;
  flex-shrink: 0;
  user-select: none;
  transition: color 0.3s;
}

.service-mega:hover .service-mega-num {
  color: rgba(96,165,250,0.6);
}

.service-mega-label {
  font-family: var(--font-display);
  font-size: 2.5rem;
  letter-spacing: 0.06em;
  color: #f0f6ff;
  line-height: 1;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.service-mega-label .label-accent {
  color: var(--color-primary-light);
}

.service-mega:hover .service-mega-label {
  color: #ffffff;
}

.service-mega-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 420px;
  line-height: 1.6;
}

.service-mega-arrow {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.service-mega:hover .service-mega-arrow {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateX(4px);
}

.service-mega-visual {
  width: 220px;
  height: 130px;
  border-radius: var(--radius-xl);
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(96,165,250,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}

.service-mega-visual svg {
  opacity: 0.7;
}

.service-mega-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}

.service-mega-stat {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
}

.service-mega-stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: #60a5fa;
}

.service-mega-stat-label {
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

/* --- Cases section --- */
.cases-section {
  padding: 5rem 0;
  background: var(--color-bg-alt);
}

.cases-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.cases-header h2 {
  font-size: var(--font-size-4xl);
  color: #f0f6ff;
}

.cases-header-sub {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  font-weight: 400;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.case-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  opacity: 0;
  transition: opacity 0.3s;
}

.case-card:hover {
  border-color: rgba(96,165,250,0.2);
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}

.case-card:hover::before {
  opacity: 1;
}

.case-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.case-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #e2eaf8;
}

.case-card-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: rgba(37,99,235,0.18);
  color: var(--color-primary-light);
  border: 1px solid rgba(96,165,250,0.2);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.75rem;
  white-space: nowrap;
}

.case-card-metric {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary-light);
  line-height: 1;
}

.case-card-metric-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

.case-card-chart {
  height: 60px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-top: 0.5rem;
}

.case-bar {
  flex: 1;
  border-radius: 3px 3px 1px 1px;
  background: rgba(96,165,250,0.25);
  transition: background 0.2s;
}

.case-bar.active {
  background: linear-gradient(180deg, #60a5fa 0%, #2563eb 100%);
}

.case-card:hover .case-bar {
  background: rgba(96,165,250,0.35);
}

.case-card:hover .case-bar.active {
  background: linear-gradient(180deg, #93c5fd 0%, #3b82f6 100%);
}

.cases-cta {
  text-align: center;
}

/* --- How we work (темный) --- */
.how-section {
  padding: 5rem 0;
  background: var(--color-bg);
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  position: relative;
}

.how-steps::before {
  content: '';
  position: absolute;
  top: 2.5rem;
  left: calc(16% + 2rem);
  right: calc(16% + 2rem);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(96,165,250,0.3), transparent);
}

.how-step {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-2xl);
  padding: 2rem 1.75rem;
  transition: border-color 0.3s, transform 0.3s;
}

.how-step:hover {
  border-color: rgba(96,165,250,0.25);
  transform: translateY(-4px);
}

.how-step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  opacity: 0.85;
}

.how-step-icon {
  width: 48px;
  height: 48px;
  background: rgba(37,99,235,0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.4rem;
}

.how-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #e2eaf8;
  margin-bottom: 0.5rem;
}

.how-step-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- Dark CTA form section --- */
.dark-cta-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, #060d1e 0%, #091525 100%);
  position: relative;
  overflow: hidden;
}

.dark-cta-section::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(37,99,235,0.1) 0%, transparent 65%);
  pointer-events: none;
}

.dark-cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.dark-cta-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  color: #f0f6ff;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.dark-cta-sub {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.dark-cta-form {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
  justify-content: center;
}

.dark-cta-form .form-input {
  flex: 1;
  min-width: 170px;
  max-width: 240px;
  padding: 0.9rem 1.2rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  color: #f0f6ff;
  font-size: 0.95rem;
}

.dark-cta-form .form-input::placeholder {
  color: rgba(255,255,255,0.35);
}

.dark-cta-form .form-input:focus {
  border-color: rgba(96,165,250,0.5);
  background: rgba(37,99,235,0.08);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.dark-cta-form .btn-primary {
  padding: 0.9rem 2rem;
  white-space: nowrap;
  font-size: 0.95rem;
}

/* --- Responsive service mega --- */
@media (max-width: 1024px) {
  .service-mega-label {
    font-size: 2rem;
  }

  .service-mega-visual {
    width: 160px;
    height: 100px;
  }

  .hero-dark-grid {
    grid-template-columns: 1fr;
    padding: 3rem 0 2.5rem;
    gap: 2.5rem;
    text-align: center;
  }

  .hero-dark-actions {
    justify-content: center;
  }

  .hero-chart-card {
    max-width: 420px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .service-mega-inner {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 2rem 0;
  }

  .service-mega-left {
    gap: 1.25rem;
  }

  .service-mega-label {
    font-size: 1.6rem;
  }

  .service-mega-num {
    font-size: 2.5rem;
  }

  .service-mega-visual {
    display: none;
  }

  .cases-grid {
    grid-template-columns: 1fr 1fr;
  }

  .how-steps {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .how-steps::before {
    display: none;
  }

  .dark-cta-form {
    flex-direction: column;
    align-items: center;
  }

  .dark-cta-form .form-input {
    max-width: 100%;
    width: 100%;
  }

  .cases-header {
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (max-width: 640px) {
  .service-mega-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .service-mega-num {
    display: none;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================================================
   ГЛОБАЛЬНЫЕ ПЕРЕОПРЕДЕЛЕНИЯ ДЛЯ ТЁМНОЙ ТЕМЫ
   Перехватывают inline-стили со светлыми фонами на всех страницах
   ================================================================ */

/* --- Белые фоны в карточках и div-ах → тёмный стиль --- */
[style*="background: white"],
[style*="background:white"],
[style*="background: #ffffff"],
[style*="background: #fff;"] {
  background: var(--color-bg-card) !important;
  color: var(--color-text) !important;
  border-color: rgba(255,255,255,0.08) !important;
}

/* --- Светлые голубые/зелёные градиентные фоны карточек → тёмный --- */
[style*="background: linear-gradient(135deg, #eff6ff"],
[style*="background: linear-gradient(135deg, #eff6ff 0%"],
[style*="background: linear-gradient(135deg, #f5f3ff"],
[style*="background: linear-gradient(135deg, #f0fdf4"],
[style*="background: linear-gradient(135deg, #ecfdf5"],
[style*="background: linear-gradient(135deg, #fff7ed"],
[style*="background: linear-gradient(135deg, #fdf4ff"] {
  background: rgba(37,99,235,0.1) !important;
  border-color: rgba(96,165,250,0.15) !important;
}

/* --- Секционные CTA с ярко-синим градиентом → тёмно-синий --- */
section[style*="background: linear-gradient(135deg, var(--color-primary)"],
section[style*="background: linear-gradient(135deg, #2563eb"],
section[style*="background: linear-gradient(135deg, #1e1b4b"],
section[style*="background: linear-gradient(135deg, #1d4ed8"] {
  background: linear-gradient(135deg, #060d1e 0%, #0d2252 100%) !important;
}

/* --- Светлый фон page-hero badge --- */
[style*="background: rgba(37,99,235,0.1)"] {
  background: rgba(37,99,235,0.15) !important;
}

/* --- filter buttons с светлыми бордерами --- */
#articlesFilters button[style*="background: transparent"],
#postersFilters button[style*="background: transparent"],
#blogFilters button[style*="background: transparent"] {
  border-color: rgba(255,255,255,0.15) !important;
  color: var(--color-text-muted) !important;
}

/* --- Чекбоксы фильтров hover --- */
#articlesFilters button:hover,
#postersFilters button:hover,
#blogFilters button:hover {
  border-color: var(--color-primary-light) !important;
  color: var(--color-primary-light) !important;
}

/* --- featured-post-card если с белым фоном --- */
.featured-post-card {
  background: var(--color-bg-card) !important;
  border-color: rgba(255,255,255,0.08) !important;
}

/* --- Inline inline-block чисел в заголовках (цифры секций) --- */
[style*="font-size: 3rem"][style*="font-weight: 800"][style*="color: var(--color-primary)"] {
  color: var(--color-primary-light) !important;
}

/* --- stat/counter числа на тёмном — сделать ярче --- */
[data-counter] {
  color: var(--color-primary-light) !important;
}

/* --- Синяя шапка-баннер page-hero когда не тёмный --- */
.page-hero {
  background: linear-gradient(135deg, #060d1e 0%, #0d1d3a 100%) !important;
}

/* --- Текст h2 в тёмной теме --- */
section[style*="background: linear-gradient(135deg, #0f172a"] h2,
section[style*="background: linear-gradient(135deg, #060d1e"] h2 {
  color: #f0f6ff !important;
}

/* --- Кнопки-фильтры в тёмном стиле --- */
button[data-filter],
button[style*="border-radius: 100px"][style*="border: 2px solid var(--color-border)"] {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(255,255,255,0.12) !important;
  color: var(--color-text-muted) !important;
  font-family: var(--font-primary);
}

button[data-filter="all"],
button[data-filter].active-filter {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: white !important;
}

/* --- Разделители в карточках статей --- */
.card [style*="border-top: 1px solid var(--color-border)"] {
  border-top-color: rgba(255,255,255,0.08) !important;
}

/* --- Аватары авторов (маленькие кружки с буквой в карточках) --- */
[style*="width: 24px"][style*="height: 24px"][style*="border-radius: 50%"] {
  /* keep colors as-is — they're accent dots */
}

/* --- Карточки портфолио --- */
.portfolio-card,
[class*="portfolio"] .card {
  background: var(--color-bg-card) !important;
  border-color: rgba(255,255,255,0.08) !important;
}

/* --- Inline light blue icon boxes --- */
[style*="background: linear-gradient(135deg, #eff6ff, #dbeafe)"],
[style*="background: linear-gradient(135deg, #eff6ff, #d1fae5)"],
[style*="background: linear-gradient(135deg, #fdf4ff, #f3e8ff)"],
[style*="background: linear-gradient(135deg, #fff7ed, #ffedd5)"] {
  background: rgba(37,99,235,0.12) !important;
}

/* ===== NAV LOGO TEXT ===== */
.nav-logo-text {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  line-height: 1;
  text-shadow: 0 0 24px rgba(96,165,250,0.35);
  transition: text-shadow var(--transition-base);
}
.nav-logo:hover .nav-logo-text {
  text-shadow: 0 0 32px rgba(96,165,250,0.6);
}

/* ===== HOW SECTION SUBTITLE DIVIDER ===== */
.how-section-line {
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 2px;
  margin: 1rem auto 0;
}

/* ===== CASE METRIC PERCENT ACCENT ===== */
.metric-pct {
  color: #34d399;
  font-weight: 800;
}

/* ===== SERVICE MEGA VISUAL (less prominent) ===== */
.service-mega-visual {
  background: rgba(37,99,235,0.06) !important;
  border-color: rgba(96,165,250,0.08) !important;
}

/* ===== SERVICE MEGA STAT NUMBER ACCENT ===== */
.service-mega-stat-num {
  color: #34d399 !important;
  font-size: 1rem;
}

/* ===== CARD ICON LETTER ===== */
.card-icon-letter {
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

/* ===== FOUNDER PHOTO BLOCK ===== */
.founder-photo-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.founder-photo-block img {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  object-fit: cover;
}
.founder-caption {
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.founder-caption strong {
  display: block;
  color: var(--color-secondary);
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}