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

:root {
  --accent: #F4B400;
  --accent-dark: #d9a000;
  --dark: #1A1A1A;
  --dark-2: #2d2d2d;
  --gray: #6b7280;
  --gray-light: #f3f4f6;
  --white: #ffffff;
  --border: #e5e7eb;
  --success: #22c55e;
  --font: 'Inter', sans-serif;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul { list-style: none; }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

.accent {
  color: var(--accent);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: var(--dark);
  border-color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(244, 180, 0, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn--outline:hover {
  background: var(--white);
  color: var(--dark);
}

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

.btn--dark:hover {
  background: var(--dark-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

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

.btn--sm {
  padding: 10px 20px;
  font-size: 14px;
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--accent);
  transition: all var(--transition);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 28px;
}

.header__logo strong {
  display: block;
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
}

.header__logo small {
  display: block;
  color: var(--accent);
  font-size: 12px;
}

.header__nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
}

.header__nav a {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}

.header__nav a:hover {
  color: var(--accent);
}

.header__contacts {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header__phone {
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
}

.header__phone:hover {
  color: var(--accent);
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.burger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px;
  gap: 16px;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.mobile-menu__phone {
  color: var(--accent) !important;
  font-weight: 700 !important;
  font-size: 18px !important;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(26,26,26,0.92) 0%, rgba(26,26,26,0.75) 100%),
    url('img/hero-bg.jpg') center/cover no-repeat;
  padding-top: 72px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(26,26,26,0.3) 100%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding: 80px 20px;
}

.hero__content {
  max-width: 780px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(244, 180, 0, 0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: 20px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__advantages {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.hero__adv-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 500;
}

.hero__adv-icon {
  font-size: 20px;
}

/* ============================================
   TRUST
   ============================================ */
.trust {
  background: var(--dark);
  padding: 56px 0;
}

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

.trust__item {
  text-align: center;
  padding: 32px 24px;
  border-right: 1px solid rgba(255,255,255,0.1);
}

.trust__item:last-child {
  border-right: none;
}

.trust__number {
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.trust__label {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.4;
}

/* ============================================
   CATALOG
   ============================================ */
.catalog {
  padding: 100px 0;
  background: var(--gray-light);
}

.catalog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.catalog__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.catalog__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.catalog__card-img {
  font-size: 48px;
  line-height: 1;
}

.catalog__card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
}

.catalog__card p {
  font-size: 14px;
  color: var(--gray);
  flex: 1;
}

.catalog__price {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-dark);
}

.catalog__more {
  text-align: center;
}

.catalog__more .btn--outline {
  color: var(--dark);
  border-color: var(--dark);
}

.catalog__more .btn--outline:hover {
  background: var(--dark);
  color: var(--white);
}

/* ============================================
   WHY US
   ============================================ */
.why {
  padding: 100px 0;
  background: var(--white);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why__item {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
  transition: all var(--transition);
}

.why__item:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.why__icon {
  font-size: 42px;
  margin-bottom: 16px;
}

.why__item h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}

.why__item p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
}

/* ============================================
   CALCULATOR
   ============================================ */
.calculator {
  padding: 100px 0;
  background: var(--gray-light);
}

.calculator__wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
}

.calculator__form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.calc__row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.calc__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc__field label {
  font-weight: 600;
  font-size: 15px;
  color: var(--dark);
}

.calc__field select,
.calc__field input {
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 16px;
  color: var(--dark);
  transition: border-color var(--transition);
  background: var(--white);
}

.calc__field select:focus,
.calc__field input:focus {
  outline: none;
  border-color: var(--accent);
}

.calc__result {
  background: linear-gradient(135deg, #fff9e6, #fff3cc);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  animation: slideDown 0.4s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.calc__result h3 {
  font-size: 18px;
  color: var(--gray);
  margin-bottom: 8px;
}

.calc__price-range {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-dark);
  margin-bottom: 8px;
}

.calc__note {
  font-size: 13px;
  color: var(--gray);
}

.calculator__cta {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.calculator__cta p {
  color: var(--gray);
  font-size: 16px;
}

.calculator__cta .btn--outline {
  color: var(--dark);
  border-color: var(--dark);
}

.calculator__cta .btn--outline:hover {
  background: var(--dark);
  color: var(--white);
}

/* ============================================
   CASES
   ============================================ */
.cases {
  padding: 100px 0;
  background: var(--white);
}

.cases__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.cases__card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.cases__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.cases__img {
  height: 220px;
  position: relative;
  background-size: cover;
  background-position: center;
}

.cases__img--house    { background: linear-gradient(135deg, #2d3a2e, #4a6741); }
.cases__img--cottage  { background: linear-gradient(135deg, #2d3050, #4a5178); }
.cases__img--warehouse{ background: linear-gradient(135deg, #3a2d20, #6b4f35); }
.cases__img--production { background: linear-gradient(135deg, #2a2d3a, #454a6b); }

.cases__img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.cases__tag {
  background: var(--accent);
  color: var(--dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
}

.cases__body {
  padding: 28px;
  background: var(--white);
}

.cases__body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.cases__body p {
  color: var(--gray);
  font-size: 15px;
  margin-bottom: 16px;
}

.cases__stats {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cases__stats span {
  font-size: 13px;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================
   REVIEWS
   ============================================ */
.reviews {
  padding: 100px 0;
  background: var(--dark);
}

.reviews .section-title {
  color: var(--white);
}

.reviews .section-subtitle {
  color: rgba(255,255,255,0.6);
}

.reviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.reviews__card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
}

.reviews__card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--accent);
}

.reviews__stars {
  font-size: 22px;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.reviews__text {
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.reviews__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.reviews__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.reviews__author strong {
  display: block;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
}

.reviews__author span {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.howworks {
  padding: 100px 0;
  background: var(--gray-light);
}

.howworks__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

.howworks__steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 36px;
  right: 36px;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.howworks__step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.howworks__num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--dark);
  font-size: 28px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(244,180,0,0.4);
  flex-shrink: 0;
}

.howworks__content {
  padding: 0 12px;
}

.howworks__content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.howworks__content p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}

.howworks__arrow {
  display: none;
}

/* ============================================
   PROMO
   ============================================ */
.promo {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
}

.promo__inner {
  text-align: center;
}

.promo__badge {
  display: inline-block;
  background: rgba(0,0,0,0.15);
  color: var(--dark);
  font-size: 14px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.promo__title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.promo__subtitle {
  font-size: 20px;
  color: rgba(26,26,26,0.75);
  margin-bottom: 40px;
}

.promo__timer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-bottom: 40px;
}

.timer__block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.timer__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--dark);
  color: var(--white);
  font-size: 36px;
  font-weight: 800;
  border-radius: var(--radius);
  font-variant-numeric: tabular-nums;
}

.timer__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.timer__sep {
  font-size: 36px;
  font-weight: 800;
  color: var(--dark);
  align-self: flex-start;
  margin-top: 20px;
}

/* ============================================
   LEAD FORM
   ============================================ */
.lead-form {
  padding: 100px 0;
  background: var(--white);
}

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

.lead-form__text h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.25;
}

.lead-form__text p {
  font-size: 17px;
  color: var(--gray);
  margin-bottom: 28px;
}

.lead-form__benefits {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lead-form__benefits li {
  font-size: 16px;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Form */
.lead-form__form-wrap {
  background: var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.lead-form__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__field label {
  font-weight: 600;
  font-size: 15px;
  color: var(--dark);
}

.form__field input,
.form__field textarea,
.form__field select {
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 16px;
  color: var(--dark);
  transition: border-color var(--transition);
  background: var(--white);
  width: 100%;
  resize: vertical;
}

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

.form__field input.error,
.form__field textarea.error {
  border-color: #ef4444;
}

.form__error {
  font-size: 13px;
  color: #ef4444;
  display: none;
}

.form__error.visible {
  display: block;
}

/* Checkbox */
.form__checkbox {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all var(--transition);
  background: var(--white);
  position: relative;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
}

.checkbox-label a {
  color: var(--accent-dark);
  text-decoration: underline;
}

.form__privacy {
  font-size: 12px;
  color: var(--gray);
  text-align: center;
}

/* Success */
.form__success {
  text-align: center;
  padding: 40px 20px;
}

.success__icon {
  font-size: 56px;
  margin-bottom: 16px;
}

.form__success h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--dark);
}

.form__success p {
  color: var(--gray);
  margin-bottom: 8px;
}

/* ============================================
   CONTACTS
   ============================================ */
.contacts {
  padding: 100px 0;
  background: var(--gray-light);
}

.contacts__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contacts__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contacts__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contacts__icon {
  font-size: 24px;
  width: 40px;
  flex-shrink: 0;
  text-align: center;
}

.contacts__item strong {
  display: block;
  font-size: 13px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contacts__item a,
.contacts__item span {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
}

.contacts__item a:hover {
  color: var(--accent-dark);
}

.contacts__map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map__placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, #e8f0e8, #d0e0d0);
  display: flex;
  align-items: center;
  justify-content: center;
}

.map__placeholder-inner {
  text-align: center;
}

.map__placeholder-inner span {
  font-size: 48px;
  display: block;
  margin-bottom: 12px;
}

.map__placeholder-inner p {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.map__placeholder-inner small {
  color: var(--gray);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--dark);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 20px;
}

.footer__logo span {
  font-size: 28px;
}

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

.footer__brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  transition: all var(--transition);
}

.social-btn--wa {
  background: #25d366;
  color: var(--white);
}

.social-btn--tg {
  background: #229ed9;
  color: var(--white);
}

.social-btn:hover {
  transform: translateY(-2px);
  opacity: 0.85;
}

.footer__nav h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__nav ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  transition: color var(--transition);
}

.footer__nav ul li a:hover {
  color: var(--accent);
}

.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__contacts h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer__contacts a,
.footer__contacts span {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
}

.footer__contacts a:hover {
  color: var(--accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer__bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ============================================
   FLOATING BUTTONS
   ============================================ */
.floating-btns {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 900;
}

.floating-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  transition: all var(--transition);
  cursor: pointer;
}

.floating-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(0,0,0,0.3);
}

.floating-btn--wa {
  background: #25d366;
  color: var(--white);
}

.floating-btn--tg {
  background: #229ed9;
  color: var(--white);
}

.floating-btn--phone {
  background: var(--accent);
  color: var(--dark);
}

/* ============================================
   COOKIE BANNER
   ============================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--dark);
  border-top: 2px solid var(--accent);
  padding: 16px 20px;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: space-between;
}

.cookie-banner p {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  flex: 1;
}

.cookie-banner a {
  color: var(--accent);
  text-decoration: underline;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.6);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 480px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.92) translateY(-20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--gray);
  line-height: 1;
  transition: color var(--transition);
}

.modal__close:hover {
  color: var(--dark);
}

.modal h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--dark);
}

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

  .trust__item:nth-child(2) {
    border-right: none;
  }

  .trust__item:nth-child(1),
  .trust__item:nth-child(2) {
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

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

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

  .lead-form__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .howworks__steps {
    flex-wrap: wrap;
    gap: 24px;
  }

  .howworks__steps::before {
    display: none;
  }

  .howworks__step {
    flex: 1 1 calc(50% - 12px);
    min-width: 200px;
  }
}

@media (max-width: 768px) {
  .header__nav,
  .header__contacts {
    display: none;
  }

  .burger {
    display: flex;
  }

  .hero__buttons {
    flex-direction: column;
  }

  .hero__advantages {
    gap: 16px;
  }

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

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

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

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

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

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

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

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

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

  .timer__num {
    width: 60px;
    height: 60px;
    font-size: 26px;
  }

  .timer__sep {
    font-size: 26px;
  }

  .lead-form__form-wrap {
    padding: 24px;
  }

  .calculator__wrap {
    padding: 28px 20px;
  }

  .calculator__cta {
    flex-direction: column;
    text-align: center;
  }

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

@media (max-width: 480px) {
  .catalog__grid {
    grid-template-columns: 1fr;
  }

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

  .trust__item {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .promo__timer {
    gap: 4px;
  }

  .timer__num {
    width: 52px;
    height: 52px;
    font-size: 22px;
  }

  .hero__adv-item span {
    font-size: 13px;
  }

  .howworks__step {
    flex: 1 1 100%;
  }
}