/* ===== CSS Variables ===== */
:root {
  --color-primary: #166534;
  --color-primary-dark: #14532d;
  --color-primary-light: #22c55e;
  --color-primary-lighter: #dcfce7;
  --color-accent: #16a34a;
  --color-accent-hover: #15803d;
  --color-dark: #0f172a;
  --color-dark-light: #1e293b;
  --color-gray-900: #111827;
  --color-gray-800: #1f2937;
  --color-gray-700: #374151;
  --color-gray-600: #4b5563;
  --color-gray-500: #6b7280;
  --color-gray-400: #9ca3af;
  --color-gray-300: #d1d5db;
  --color-gray-200: #e5e7eb;
  --color-gray-100: #f3f4f6;
  --color-gray-50: #f9fafb;
  --color-white: #ffffff;
  --color-orange: #f59e0b;
  --color-orange-light: #fef3c7;
  --color-red: #dc2626;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(22, 163, 74, 0.3);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-main);
  color: var(--color-gray-800);
  line-height: 1.6;
  background: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

ul, ol {
  list-style: none;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Typography ===== */
.text-green {
  color: var(--color-primary-light);
}

.section {
  padding: 80px 0;
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section__label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-primary-lighter);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section__title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-gray-900);
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-500);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  white-space: nowrap;
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 18px 36px;
  font-size: 1.125rem;
}

.btn--block {
  width: 100%;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

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

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.4);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

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

.btn--white:hover {
  background: var(--color-gray-50);
  transform: translateY(-2px);
}

/* ===== Badge ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.badge--green {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  border: 1px solid #bbf7d0;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo__icon {
  width: 42px;
  height: 42px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.25rem;
}

.logo__text {
  display: flex;
  flex-direction: column;
}

.logo__name {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
}

.logo__tagline {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-300);
  transition: var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-light);
  transition: var(--transition);
}

.nav__link:hover {
  color: var(--color-white);
}

.nav__link:hover::after {
  width: 100%;
}

.header__contacts {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-white);
}

.header__phone i {
  color: var(--color-primary-light);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-dark);
  overflow: hidden;
  padding-top: 72px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #064e3b 0%, #0f172a 50%, #111827 100%);
  opacity: 1;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2316a34a' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 24px;
}

.hero__content {
  animation: fadeInUp 0.8s ease-out;
}

.hero__title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 24px;
}

.hero__title span {
  color: var(--color-primary-light);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-300);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero__subtitle strong {
  color: var(--color-white);
}

.hero__stats {
  display: flex;
  gap: 32px;
  margin-bottom: 40px;
}

.stat-item__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-light);
}

.stat-item__label {
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

.hero__cta {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero__guarantee {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

.hero__guarantee i {
  color: var(--color-primary-light);
}

.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s ease-out 0.3s both;
}

.hero__image-placeholder {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4/3;
  background: rgba(255,255,255,0.05);
  border: 2px dashed rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-gray-400);
  font-size: 0.875rem;
}

.hero__image-placeholder i {
  font-size: 3rem;
  opacity: 0.5;
}

/* ===== Benefits ===== */
.benefits {
  background: var(--color-gray-50);
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--color-white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--color-gray-100);
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-lighter);
}

.benefit-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-lighter);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.benefit-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 12px;
}

.benefit-card__text {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* ===== Comparison ===== */
.comparison__table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: 32px;
}

.comparison__table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  font-size: 0.9375rem;
}

.comparison__table th {
  background: var(--color-gray-900);
  color: var(--color-white);
  font-weight: 600;
  padding: 16px 20px;
  text-align: left;
  white-space: nowrap;
}

.comparison__table th.highlight {
  background: var(--color-primary);
}

.comparison__table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-gray-100);
  color: var(--color-gray-700);
}

.comparison__table td.highlight {
  background: var(--color-primary-lighter);
  color: var(--color-primary-dark);
  font-weight: 600;
}

.comparison__table tr:hover td {
  background: var(--color-gray-50);
}

.comparison__table tr:hover td.highlight {
  background: #bbf7d0;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  margin-left: 8px;
}

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

.comparison__cta {
  text-align: center;
}

/* ===== Calculator ===== */
.calculator {
  background: linear-gradient(135deg, #064e3b 0%, #0f172a 100%);
  color: var(--color-white);
}

.calculator .section__title,
.calculator .section__subtitle {
  color: var(--color-white);
}

.calculator .section__subtitle {
  opacity: 0.7;
}

.calculator__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.calculator__form {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-gray-200);
}

.form-label span {
  color: var(--color-gray-400);
  font-weight: 400;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-gray-900);
  transition: var(--transition);
}

.calculator .form-input,
.calculator .form-select {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: var(--color-white);
}

.calculator .form-input::placeholder,
.calculator .form-select option {
  color: var(--color-gray-400);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

.calculator__results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.result-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.1);
}

.result-card--green {
  background: var(--color-primary-lighter);
  border-color: #bbf7d0;
}

.result-card--green .result-card__label {
  color: var(--color-primary-dark);
}

.result-card--green .result-card__value {
  color: var(--color-primary);
}

.result-card--dark {
  background: rgba(0,0,0,0.3);
  border-color: rgba(255,255,255,0.1);
}

.result-card--accent {
  background: var(--color-orange);
  border-color: var(--color-orange);
}

.result-card--accent .result-card__label,
.result-card--accent .result-card__value {
  color: var(--color-gray-900);
}

.result-card__label {
  font-size: 0.875rem;
  color: var(--color-gray-300);
  margin-bottom: 8px;
}

.result-card__value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-white);
}

.calculator__cta {
  grid-column: 1 / -1;
  text-align: center;
  margin-top: 8px;
}

/* ===== Applications ===== */
.applications {
  background: var(--color-gray-50);
}

.applications__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.app-card {
  background: var(--color-white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--color-gray-100);
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.app-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-lighter);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.app-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 12px;
}

.app-card__text {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* ===== Specs ===== */
.specs__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.specs__gallery {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.gallery__main {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: #f3f4f6;
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
}

.gallery__img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery__img:hover {
  transform: scale(1.02);
}

/* Миниатюры в ряд */
.gallery__thumbs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;      /* для адаптива – на узких экранах переносятся */
  justify-content: center;
}

.gallery__thumb {
  flex: 1 1 80px;       /* минимальная ширина 80px, но могут растягиваться */
  max-width: 100px;
  cursor: pointer;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.gallery__thumb img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.gallery__thumb:hover {
  transform: translateY(-3px);
  border-color: #FF8C00;
}

.gallery__thumb.active {
  border-color: #FF8C00;
  box-shadow: 0 0 0 2px rgba(255,140,0,0.3);
}
.specs__data {
  background: var(--color-gray-50);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
}

.specs__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 24px;
}

.specs__table {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-gray-200);
}

.spec-row__label {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  flex-shrink: 0;
  margin-right: 16px;
}

.spec-row__value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-gray-900);
  text-align: right;
}

/* ===== How it works ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 8px;
}

.step__number {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  margin: 0 auto 20px;
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-md);
}

.step__icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-lighter);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  margin: 0 auto 16px;
}

.step__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 8px;
}

.step__text {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ===== Cases ===== */
.cases {
  background: var(--color-gray-50);
}

.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.case-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.case-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-lighter);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.case-card__info {
  flex: 1;
}

.case-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 4px;
}

.case-card__tag {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-card__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.case-stat {
  text-align: center;
  padding: 12px;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
}

.case-stat__value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.case-stat__label {
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

.case-card__text {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: var(--transition);
}

.faq__item:hover {
  border-color: var(--color-gray-300);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-gray-900);
  text-align: left;
  background: none;
  transition: var(--transition);
}

.faq__question i {
  color: var(--color-gray-400);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq__item.active .faq__question i {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq__item.active .faq__answer {
  max-height: 300px;
}

.faq__answer p {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* ===== Final CTA ===== */
.final-cta {
  background: linear-gradient(135deg, #064e3b 0%, #0f172a 100%);
  color: var(--color-white);
}

.final-cta__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.final-cta__title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
}

.final-cta__text {
  font-size: 1.125rem;
  color: var(--color-gray-300);
  margin-bottom: 32px;
}

.final-cta__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.final-cta__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--color-gray-200);
}

.final-cta__list li i {
  color: var(--color-primary-light);
  font-size: 1.25rem;
}

.final-cta__form {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.form-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 24px;
}

.form-privacy {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  text-align: center;
  margin-top: 16px;
}

.form-privacy a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: 60px 0 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
}

.footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-gray-800);
}

.footer__desc {
  font-size: 0.9375rem;
  color: var(--color-gray-400);
  margin-top: 16px;
  line-height: 1.7;
}

.footer__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer__link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--color-gray-400);
  margin-bottom: 12px;
  transition: var(--transition);
}

.footer__link:hover {
  color: var(--color-primary-light);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.footer__bottom a {
  color: var(--color-gray-400);
}

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

/* ===== Sticky CTA ===== */
.sticky-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 600;
  padding: 16px 24px;
  border-radius: 100px;
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transition: var(--transition);
  animation: slideInRight 0.5s ease-out 1s both;
}

.sticky-cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px) scale(1.02);
}

.sticky-cta i {
  font-size: 1.25rem;
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.active {
  display: flex;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  z-index: 2;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: fadeInUp 0.3s ease-out;
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-gray-100);
  color: var(--color-gray-600);
  font-size: 1.125rem;
  transition: var(--transition);
  z-index: 3;
}

.modal__close:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-900);
}

.modal__body {
  padding: 40px;
}

.modal__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 8px;
}

.modal__subtitle {
  font-size: 1rem;
  color: var(--color-gray-500);
  margin-bottom: 24px;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    order: 1;
  }

  .hero__image {
    order: 0;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__guarantee {
    justify-content: center;
  }

  .hero__subtitle {
    margin: 0 auto 32px;
  }

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

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

  .steps::before {
    display: none;
  }

  .final-cta__inner,
  .specs__grid,
  .calculator__grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .section__title {
    font-size: 1.75rem;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__stats {
    flex-direction: column;
    gap: 16px;
    align-items: center;
  }

  .hero__cta {
    flex-direction: column;
  }

  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-dark);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-top: 1px solid rgba(255,255,255,0.05);
  }

  .nav.active {
    display: flex;
  }

  .burger {
    display: flex;
  }

  .header__contacts .btn--sm {
    display: none;
  }

  .benefits__grid,
  .applications__grid,
  .cases__grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .step {
    text-align: left;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: start;
  }

  .step__number {
    margin: 0;
  }

  .step__icon {
    display: none;
  }

  .comparison__table {
    font-size: 0.875rem;
  }

  .comparison__table th,
  .comparison__table td {
    padding: 12px 14px;
  }

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

  .footer__main {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .sticky-cta span {
    display: none;
  }

  .modal__body {
    padding: 32px 24px;
  }

  .final-cta__form {
    padding: 32px 24px;
  }

  .specs__data {
    padding: 32px 24px;
  }

  .calculator__form {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero__title {
    font-size: 1.75rem;
  }

  .btn--lg {
    padding: 16px 24px;
    font-size: 1rem;
  }

  .section__title {
    font-size: 1.5rem;
  }

  .final-cta__title {
    font-size: 1.75rem;
  }

  .case-card__stats {
    grid-template-columns: 1fr;
  }
}
/* Две колонки: галерея слева, характеристики справа */
.specs__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;  /* две равные колонки */
  gap: 2rem;
  align-items: start;
}

/* На мобильных устройствах — обратно в один столбец */
@media (max-width: 768px) {
  .specs__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.specs__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.specs__gallery {
  flex: 1 1 45%;   /* занимает 45% ширины, может сжиматься */
  min-width: 250px;
}

.specs__data {
  flex: 1 1 45%;
  min-width: 250px;
}
@media (max-width: 768px) {
  .hero__image {
    gap: 1rem;
  }
  .hero__image iframe {
    max-width: 100%;
  }
}
/* ===== Hero image + video (адаптивный блок) ===== */
.hero__image {
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.hero__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
}

.hero__image iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 16px;
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
}

/* На мобильных — уменьшаем отступ и гарантируем ширину 100% */
@media (max-width: 768px) {
  .hero__image {
    gap: 1rem;
  }
  .hero__image iframe {
    width: 100%;
    max-width: 100%;
  }
}