:root {
  /* Backgrounds */
  --color-bg: #FFFFFF;
  --color-bg-soft: #F8FAFC;
  --color-bg-blue-soft: #EFF6FF;
  --color-dark: #0f234d;
  --color-dark-card: #1F2937;

  /* Text on light backgrounds */
  --color-text-primary: #0f234d;
  --color-text-secondary: #475569;
  --color-text-muted: #64748B;

  /* Text on dark backgrounds */
  --color-text-on-dark: #FFFFFF;
  --color-text-on-dark-secondary: #CBD5E1;

  /* Interactive Blue */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-border: #BFDBFE;

  /* Accent Orange */
  --color-accent: #F97316;
  --color-accent-hover: #EA580C;
  --color-accent-soft: #FFF7ED;

  /* Borders */
  --color-border: #E5E7EB;
  --color-border-soft: #CBD5E1;

  /* States */
  --color-error: #DC2626;
  --color-error-bg: #FEF2F2;
  --color-success: #16A34A;
  --color-success-bg: #F0FDF4;

  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Spacing */
  --section-padding: 12rem;
  --container-max: 1280px;
  --header-height: 8.4rem;

  /* Transitions */
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-interaction: 0.3s;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: calc(0.694444vw);
  scroll-behavior: smooth;
}

@media (max-width: 1024px) {
  html { font-size: calc(1.30208vw); }
}

@media (max-width: 768px) {
  html { font-size: 2vw; }
}

body {
  font-family: var(--font-body);
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

h1 { font-size: 6.4rem; line-height: 1; letter-spacing: -0.06em; }
h2 { font-size: 4.8rem; }
h3 { font-size: 3.2rem; }
h4 { font-size: 2.4rem; }

@media (max-width: 1024px) {
  h1 { font-size: 4.8rem; }
  h2 { font-size: 3.6rem; }
  h3 { font-size: 2.8rem; }
}

@media (max-width: 768px) {
  h1 { font-size: 3.6rem; }
  h2 { font-size: 2.8rem; }
  h3 { font-size: 2.2rem; }
  :root {
    --section-padding: 8rem;
  }
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 4.6rem;
}

@media (max-width: 1024px) {
  .container { padding: 0 2.4rem; }
}

@media (max-width: 768px) {
  .container { padding: 0 1.2rem; }
}

/* Typography utilities */
.text-accent { color: var(--color-accent); }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-white { color: var(--color-text-on-dark); }
.text-mono { font-family: var(--font-mono); }

/* Section label */
.section-label {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2.4rem;
  display: inline-flex;
  align-items: center;
  gap: 1.2rem;
}

.section-label::before {
  content: '{';
  color: var(--color-accent);
}

.section-label::after {
  content: '}';
  color: var(--color-accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding: 1.8rem 3.6rem;
  border-radius: 1.2rem;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--duration-interaction) ease;
  position: relative;
  overflow: hidden;
}

.btn-full {
  width: 100%;
}

.btn-primary {
  background: var(--color-accent);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-0.2rem);
}

.btn-secondary {
  background: var(--color-primary);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-0.2rem);
}

.btn-stroke {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border-soft);
}

.btn-stroke:hover {
  background: var(--color-bg-blue-soft);
  border-color: var(--color-primary);
  transform: translateY(-0.2rem);
}

/* Ghost buttons for dark sections */
.btn-ghost {
  background: transparent;
  color: var(--color-text-on-dark);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-text-on-dark);
  transform: translateY(-0.2rem);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: linear-gradient(180deg, var(--color-dark) 0%, rgba(15, 35, 77, 0.6) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-main {
  background: transparent;
  height: 100%;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--color-text-on-dark);
}

.logo-img {
  height: 4.8rem;
  width: auto;
  display: block;
}

/* Header navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.header-nav-link {
  color: var(--color-text-on-dark-secondary);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border-radius: 0.6rem;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.header-nav-link:hover {
  color: var(--color-text-on-dark);
  background: rgba(255, 255, 255, 0.08);
}

.header-nav-link.active {
  color: var(--color-text-on-dark);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

@media (max-width: 1024px) {
  .header-nav {
    display: none;
  }
}

.header-contacts {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header-phone {
  color: var(--color-text-on-dark);
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 500;
}

.header-phone:hover {
  color: var(--color-primary);
}

.header-messenger {
  color: var(--color-text-on-dark-secondary);
  text-decoration: none;
  font-size: 1.2rem;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-soft);
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.header-messenger:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.header-callback-btn {
  padding: 0.8rem 1.5rem;
  font-size: 1.1rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-on-dark-secondary);
  font-size: 2.4rem;
  cursor: pointer;
}

/* Mobile navigation */
.mobile-nav {
  position: fixed;
  top: 0;
  left: -30rem;
  width: 28rem;
  max-width: 80vw;
  height: 100vh;
  background: var(--color-dark-card);
  z-index: 2000;
  padding: 2rem;
  transition: left 0.3s ease;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  overflow-y: auto;
}

.mobile-nav.open {
  left: 0;
}

.mobile-nav-close {
  background: none;
  border: none;
  color: var(--color-text-on-dark-secondary);
  font-size: 2rem;
  cursor: pointer;
  margin-bottom: 2rem;
  display: block;
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
}

.mobile-nav-link {
  display: block;
  padding: 1.2rem 0;
  color: var(--color-text-on-dark-secondary);
  text-decoration: none;
  font-size: 1.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: color 0.3s ease;
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

.mobile-nav-section {
  font-family: var(--font-mono);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: 2rem 0 0.8rem 0;
  margin-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  list-style: none;
}

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* Callback modal */
.callback-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.callback-modal.open {
  opacity: 1;
  pointer-events: all;
}

.callback-modal-content {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 1.2rem;
  padding: 2.5rem;
  width: 40rem;
  max-width: 90vw;
  position: relative;
}

.callback-modal-content h3 {
  margin-bottom: 1.5rem;
  color: var(--color-text-primary);
}

.callback-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.callback-modal-close:hover {
  color: var(--color-text-primary);
}

/* Section Base */
section {
  padding: var(--section-padding) 0;
}

.section-header {
  margin-bottom: 6rem;
}

.section-header h2 {
  margin-bottom: 1.6rem;
}

.section-subtitle {
  font-size: 1.8rem;
  color: var(--color-text-secondary);
  max-width: 60rem;
}

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 3rem);
  position: relative;
  overflow: hidden;
  background: var(--color-dark);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 90rem;
  position: relative;
  z-index: 2;
}

.hero h1 {
  margin-bottom: 2.4rem;
  line-height: 1.05;
  color: var(--color-text-on-dark);
}

.hero-description {
  font-size: 2rem;
  color: var(--color-text-on-dark-secondary);
  margin-bottom: 3.2rem;
  max-width: 70rem;
  line-height: 1.5;
}

.hero-subtext {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--color-text-on-dark-secondary);
  margin-bottom: 4rem;
  padding-left: 2rem;
  border-left: 0.2rem solid var(--color-accent);
}

.hero-buttons {
  display: flex;
  gap: 1.6rem;
  margin-bottom: 4.8rem;
  flex-wrap: wrap;
}

.hero-advantages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.advantage-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-dark-card);
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.advantage-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.advantage-icon svg {
  width: 2.4rem;
  height: 2.4rem;
  display: block;
}

.advantage-text {
  color: var(--color-text-on-dark-secondary);
  font-size: 1.4rem;
  line-height: 1.4;
}

.advantage-text strong {
  color: var(--color-text-on-dark);
}

/* ============ PAIN SECTION ============ */
.pain {
  background: var(--color-bg-soft);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
}

.pain-card {
  padding: 3.2rem;
  background: var(--color-bg);
  border-radius: 1.6rem;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.pain-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-0.5rem);
}

.pain-number {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.3;
  margin-bottom: 1.6rem;
  line-height: 1;
}

.pain-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  color: var(--color-text-primary);
}

.pain-card p {
  color: var(--color-text-secondary);
  font-size: 1.5rem;
  line-height: 1.6;
}

/* ============ PRODUCTS ============ */
.products {
  background: var(--color-bg);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.4rem;
}

.product-card {
  padding: 3.2rem;
  background: var(--color-bg);
  border-radius: 1.6rem;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-0.5rem);
}

.product-card-header {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin-bottom: 1.6rem;
}

.product-icon {
  width: 5.6rem;
  height: 5.6rem;
  background: var(--color-bg-blue-soft);
  border-radius: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.product-icon svg {
  width: 3.2rem;
  height: 3.2rem;
  display: block;
}

.product-card h3 {
  font-size: 2rem;
}

.product-short {
  color: var(--color-text-secondary);
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.product-label {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.6rem;
}

.product-what {
  margin-bottom: 1.6rem;
}

.product-list {
  list-style: none;
  margin-bottom: 0;
}

.product-list li {
  padding: 0.4rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--color-text-secondary);
  font-size: 1.4rem;
}

.product-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.product-effect {
  padding: 1.2rem;
  background: var(--color-accent-soft);
  border-radius: 0.8rem;
  margin-bottom: 2rem;
  margin-top: auto;
}

.product-effect-value {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--color-accent);
}

.product-link {
  color: var(--color-primary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  transition: gap 0.3s ease;
}

.product-link:hover {
  gap: 1.2rem;
}

/* ============ ROI TABLE ============ */
.roi {
  background: var(--color-dark);
}

.roi .section-header h2 {
  color: var(--color-text-on-dark);
}

.roi .section-subtitle {
  color: var(--color-text-on-dark-secondary);
}

.roi-table-wrapper {
  overflow-x: auto;
  margin-bottom: 3.2rem;
}

.roi-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.4rem;
}

.roi-table thead th {
  text-align: left;
  padding: 1.6rem 2rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-accent);
  background: var(--color-dark-card);
  border-bottom: 2px solid var(--color-accent);
}

.roi-table tbody td {
  padding: 1.6rem 2rem;
  color: var(--color-text-on-dark-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  vertical-align: top;
}

.roi-table tbody tr {
  transition: background 0.3s ease;
}

.roi-table tbody tr:hover {
  background: rgba(249, 115, 22, 0.08);
}

.roi-conclusion {
  padding: 2.4rem;
  background: var(--color-dark-card);
  border-radius: 1.2rem;
  border-left: 0.3rem solid var(--color-accent);
  margin-top: 2.4rem;
}

.roi-conclusion p {
  font-size: 1.6rem;
  color: var(--color-text-on-dark-secondary);
}

/* ============ ROI CALCULATOR ============ */
.calculator {
  background: var(--color-bg-blue-soft);
}

.calculator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.calculator-form {
  padding: 3.2rem;
  background: var(--color-bg);
  border-radius: 1.6rem;
  border: 1px solid var(--color-border);
}

.calculator-group {
  margin-bottom: 2.4rem;
}

.calculator-group:last-child {
  margin-bottom: 0;
}

.calculator-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.2rem;
}

.calculator-value {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-primary);
}

.calculator-range {
  width: 100%;
  height: 0.6rem;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-border);
  border-radius: 0.3rem;
  outline: none;
  cursor: pointer;
}

.calculator-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 0.3rem solid var(--color-bg);
  box-shadow: 0 0 0 0.2rem var(--color-primary);
}

.calculator-range::-moz-range-thumb {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 0.3rem solid var(--color-bg);
  box-shadow: 0 0 0 0.2rem var(--color-primary);
}

.calculator-range-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
}

.calculator-result {
  padding: 3.2rem;
  background: var(--color-bg);
  border-radius: 1.6rem;
  border: 1px solid var(--color-primary-border);
  text-align: center;
}

.calculator-result-title {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  margin-bottom: 1.6rem;
}

.calculator-result-amount {
  font-family: var(--font-heading);
  font-size: 4.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.6rem;
  line-height: 1;
}

.calculator-result-text {
  font-size: 1.4rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ============ CASES ============ */
.cases {
  background: var(--color-dark);
}

.cases .section-header h2 {
  color: var(--color-text-on-dark);
}

.cases .section-subtitle {
  color: var(--color-text-on-dark-secondary);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
}

.case-card {
  padding: 3.2rem;
  background: var(--color-dark-card);
  border-radius: 1.6rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}

.case-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-0.5rem);
}

.case-tag {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 1.6rem;
  display: inline-block;
}

.case-card h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--color-text-on-dark);
}

.case-item {
  margin-bottom: 1.6rem;
}

.case-item-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
}

.case-item-text {
  color: var(--color-text-on-dark-secondary);
  font-size: 1.4rem;
}

/* ============ INTEGRATION ============ */
.integration {
  background: var(--color-bg);
}

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

.integration-card {
  padding: 2.4rem;
  background: var(--color-bg);
  border-radius: 1.2rem;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all 0.3s ease;
}

.integration-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-0.3rem);
}

.integration-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.integration-icon svg {
  width: 3.2rem;
  height: 3.2rem;
  display: block;
}

.integration-card h4 {
  font-size: 1.6rem;
  color: var(--color-text-primary);
  margin-bottom: 0.8rem;
}

.integration-card p {
  color: var(--color-text-secondary);
  font-size: 1.3rem;
  line-height: 1.4;
}

.integration-note {
  margin-top: 3.2rem;
  padding: 2rem;
  background: var(--color-bg-soft);
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 1.4rem;
  text-align: center;
  font-family: var(--font-mono);
}

/* ============ TEAM ============ */
.team {
  background: var(--color-dark);
}

.team .section-header h2 {
  color: var(--color-text-on-dark);
}

.team .section-subtitle {
  color: var(--color-text-on-dark-secondary);
}

.team-quote-grid {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 60rem;
}

.team-quote-card {
  padding: 3.2rem;
  background: var(--color-dark-card);
  border-radius: 1.6rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.team-quote-card::before {
  content: '"';
  font-size: 6rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.2;
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-family: var(--font-heading);
}

.team-quote-name {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-text-on-dark);
  margin-bottom: 0.4rem;
}

.team-quote-role {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--color-accent);
  margin-bottom: 1.6rem;
}

.team-quote-text {
  font-size: 1.6rem;
  color: var(--color-text-on-dark-secondary);
  font-style: italic;
  line-height: 1.6;
}

/* ============ TRUST ============ */
.trust {
  background: var(--color-bg);
}

.trust-intro {
  font-size: 1.8rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 4.8rem;
  max-width: 80rem;
  padding: 2rem;
  background: var(--color-bg-soft);
  border-radius: 1.2rem;
  border-left: 0.3rem solid var(--color-primary);
}

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

.trust-card {
  padding: 2.4rem;
  background: var(--color-bg);
  border-radius: 1.2rem;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.trust-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-0.3rem);
}

.trust-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.6rem;
}

.trust-card-icon svg {
  width: 3rem;
  height: 3rem;
  display: block;
}

.trust-card h3 {
  font-size: 1.8rem;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.trust-card p {
  color: var(--color-text-secondary);
  font-size: 1.4rem;
  line-height: 1.5;
}

.trust-mottos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.trust-motto {
  padding: 1.6rem 2rem;
  background: var(--color-bg-blue-soft);
  border-radius: 1rem;
  border: 1px solid var(--color-primary-border);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--color-primary);
  text-align: center;
  line-height: 1.4;
}

/* ============ STAGES ============ */
.stages {
  background: var(--color-bg-blue-soft);
}

.stages-timeline {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.4rem;
}

.stage-item {
  padding: 3.2rem;
  background: var(--color-bg);
  border-radius: 1.6rem;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.stage-item:hover {
  border-color: var(--color-primary);
}

.stage-number {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.8rem;
}

.stage-item h3 {
  font-size: 2.2rem;
  margin-bottom: 1.6rem;
  color: var(--color-text-primary);
}

.stage-doing,
.stage-criteria {
  margin-bottom: 1.2rem;
}

.stage-label {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
}

.stage-doing p,
.stage-criteria p {
  color: var(--color-text-secondary);
  font-size: 1.4rem;
  line-height: 1.5;
}

/* ============ ARTICLES ============ */
.articles {
  background: var(--color-bg);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.4rem;
}

.article-card {
  padding: 2.4rem;
  background: var(--color-bg);
  border-radius: 1.6rem;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.article-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-0.5rem);
}

.article-card h3 {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
  color: var(--color-text-primary);
}

.article-card p {
  color: var(--color-text-secondary);
  font-size: 1.4rem;
  line-height: 1.5;
}

/* ============ DIAGNOSTIC ============ */
.diagnostic {
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.diagnostic::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.diagnostic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6.4rem;
  position: relative;
  z-index: 2;
}

.diagnostic-info h3 {
  font-size: 2.4rem;
  margin-bottom: 2.4rem;
  color: var(--color-text-primary);
}

.diagnostic-list {
  list-style: none;
  margin-bottom: 3.2rem;
}

.diagnostic-list li {
  padding: 1.2rem 0;
  padding-left: 2.4rem;
  position: relative;
  color: var(--color-text-secondary);
  font-size: 1.5rem;
}

.diagnostic-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.diagnostic-expectations {
  padding: 2.4rem;
  background: var(--color-bg-soft);
  border-radius: 1.2rem;
  border: 1px solid var(--color-border);
}

.diagnostic-expectations h4 {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
  color: var(--color-primary);
}

.diagnostic-expectations p {
  color: var(--color-text-secondary);
  font-size: 1.4rem;
}

/* ============ CONTACTS ============ */
.contacts {
  background: var(--color-bg);
}

.contacts-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6.4rem;
}

.contact-info h3 {
  font-size: 2.4rem;
  margin-bottom: 2.4rem;
  color: var(--color-text-primary);
}

.contact-methods {
  margin-bottom: 3.2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin-bottom: 1.6rem;
}

.contact-method-icon {
  width: 4.8rem;
  height: 4.8rem;
  background: var(--color-bg-blue-soft);
  border-radius: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-method-icon svg {
  width: 2.8rem;
  height: 2.8rem;
  display: block;
}

.contact-method-text {
  color: var(--color-text-secondary);
  font-size: 1.5rem;
}

.contact-method-text strong {
  color: var(--color-text-primary);
}

.contact-form-container {
  background: var(--color-bg);
  padding: 3.2rem;
  border-radius: 1.6rem;
  border: 1px solid var(--color-border);
}

.contact-form-container h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--color-text-primary);
}

/* ============ FORM ELEMENTS ============ */
.form-group {
  margin-bottom: 2.4rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.8rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 1.6rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border-soft);
  border-radius: 0.8rem;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1.6rem;
  transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #94A3B8;
}

.form-textarea {
  min-height: 12rem;
  resize: vertical;
}

/* ============ CTA BLOCK ============ */
.cta-block {
  text-align: center;
  margin-top: 4.8rem;
}

/* ============ FOOTER ============ */
footer {
  padding: 6rem 0;
  background: var(--color-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-company .logo-text {
  font-size: 2rem;
}

.footer-desc {
  color: var(--color-text-on-dark-secondary);
  font-size: 1.3rem;
  margin-top: 0.5rem;
}

.footer-contacts p {
  color: var(--color-text-on-dark-secondary);
  font-size: 1.4rem;
  margin-bottom: 0.3rem;
  text-align: center;
}

.footer-links {
  text-align: right;
}

.footer-links a {
  color: var(--color-text-on-dark);
  text-decoration: none;
  font-size: 1.3rem;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 2rem;
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 1.3rem;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-advantages,
  .trust-grid,
  .trust-mottos {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .stages-timeline {
    grid-template-columns: 1fr;
  }

  .diagnostic-grid,
  .contacts-wrapper,
  .calculator-wrapper {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .header-contacts .btn {
    display: none;
  }

  .pain-grid,
  .products-grid,
  .cases-grid,
  .trust-grid,
  .trust-mottos,
  .articles-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-advantages {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-links {
    text-align: center;
  }

  .footer-contacts p {
    text-align: center;
  }

  .calculator-result-amount {
    font-size: 3.6rem;
  }
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(3rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }