/* Modern CSS Reset & Design Tokens */
:root {
  --color-primary: #0069b1;
  --color-primary-hover: #005691;
  --color-secondary: #ffaa00;
  --color-secondary-hover: #e69900;
  --color-dark: #1a2b49;
  --color-dark-bg: #111e30;
  --color-text: #2c3e50;
  --color-text-muted: #7f8c8d;
  --color-light-bg: #f4f7fa;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  
  --font-title: 'Montserrat', sans-serif;
  --font-body: 'Roboto', sans-serif;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(26, 43, 73, 0.08);
  --shadow-lg: 0 12px 30px rgba(26, 43, 73, 0.15);
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 8px;
  --border-radius-lg: 16px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.2;
}

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

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

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

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.section-title {
  font-size: 2.25rem;
  color: var(--color-dark);
  margin-bottom: 15px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--border-radius);
  font-family: var(--font-title);
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s, border-color 0.2s;
  min-height: 48px;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(0, 105, 177, 0.2);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-dark);
  box-shadow: 0 4px 10px rgba(255, 170, 0, 0.2);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-hover);
  box-shadow: 0 6px 16px rgba(255, 170, 0, 0.35);
}

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

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

.btn-full {
  width: 100%;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
  min-height: 54px;
}

/* Sticky Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 15px 20px;
}

.logo-img {
  height: 48px;
  width: auto;
}

.nav-menu {
  display: flex;
  gap: 25px;
}

.nav-link {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-dark);
  position: relative;
  padding: 5px 0;
}

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

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

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

.header-contacts {
  display: flex;
  align-items: center;
  gap: 20px;
}

.phone-link {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
}

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

.callback-btn {
  padding: 8px 18px;
  min-height: 40px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.menu-toggle .bar {
  width: 25px;
  height: 3px;
  background-color: var(--color-dark);
  transition: var(--transition-fast);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: url('images/hero-bg.jpg') no-repeat center/cover;
  padding-top: 100px;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26, 43, 73, 0.92) 0%, rgba(17, 30, 48, 0.8) 100%);
  z-index: 1;
}

.hero-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  position: relative;
  z-index: 2;
}

.hero-info {
  max-width: 750px;
  color: var(--color-white);
}

.hero-badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 25px;
  animation: fadeIn 1s ease;
}

.hero-title {
  font-size: 3.5rem;
  letter-spacing: -1px;
  margin-bottom: 20px;
  color: var(--color-white);
}

.hero-subtitle {
  font-size: 1.3rem;
  font-weight: 300;
  margin-bottom: 40px;
  opacity: 0.9;
  line-height: 1.5;
}

.promo-badges {
  display: flex;
  gap: 30px;
  margin-bottom: 45px;
}

.promo-badge {
  display: flex;
  align-items: center;
  gap: 15px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 15px 24px;
  border-radius: var(--border-radius-lg);
  flex: 1;
  min-width: 0;
  max-width: 320px;
}

.badge-num {
  flex: 0 0 auto;
  font-family: var(--font-title);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.badge-text {
  min-width: 0;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.3;
}

.hero-actions {
  display: flex;
  gap: 20px;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.product-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid var(--color-border);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-img-wrapper {
  position: relative;
  padding-top: 65%; /* 16:10 aspect ratio */
  overflow: hidden;
}

.product-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.product-card:hover .product-img {
  transform: scale(1.05);
}

.product-content {
  padding: 24px;
}

.product-category {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.product-name {
  font-size: 1.25rem;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.product-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
}

.btn-text {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

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

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.feature-item {
  background: var(--color-white);
  padding: 35px 30px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.feature-item:hover {
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background-color: rgba(0, 105, 177, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-title {
  font-size: 1.25rem;
  color: var(--color-dark);
  margin-bottom: 15px;
}

.feature-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Services Steps (Timeline/Track layout) */
.services-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  position: relative;
}

.step-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.step-img-container {
  position: relative;
  padding-top: 55%;
  overflow: hidden;
}

.step-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.step-number {
  position: absolute;
  top: 15px;
  left: 15px;
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.step-info {
  padding: 24px;
  flex-grow: 1;
}

.step-title {
  font-size: 1.15rem;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Pricing Grid */
.prices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.price-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.price-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.price-card.popular {
  border: 2px solid var(--color-primary);
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.price-card.popular:hover {
  transform: scale(1.03) translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.badge-popular {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 5;
}

.price-img-wrapper {
  padding-top: 60%;
  position: relative;
}

.price-img-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.price-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.profile-name {
  font-size: 1.3rem;
  color: var(--color-dark);
  margin-bottom: 18px;
}

.profile-chars {
  list-style: none;
  margin-bottom: 25px;
  flex-grow: 1;
}

.profile-chars li {
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--color-text);
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 4px;
}

.profile-price-wrapper {
  margin-bottom: 20px;
}

.price-label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 500;
}

.price-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.price-card.popular .price-val {
  color: var(--color-primary);
}

/* Window Calculator Widget styling */
.calc-block {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: center;
  background: var(--color-light-bg);
  padding: 50px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.calc-info h2 {
  font-size: 2.25rem;
  color: var(--color-dark);
  margin-bottom: 20px;
}

.calc-info p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 30px;
}

.calc-guarantee {
  display: flex;
  align-items: center;
  gap: 15px;
}

.shield-icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
}

.calc-widget {
  background-color: var(--color-white);
  padding: 35px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.calc-step {
  display: none;
}

.calc-step.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

.step-label {
  display: block;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 25px;
  letter-spacing: 0.5px;
}

.window-types-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 30px;
}

.type-card {
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.type-img {
  width: 100%;
  height: 100px;
  object-fit: contain;
  margin-bottom: 8px;
}

.type-card span {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.85rem;
}

/* Radio Checked State for Calculator Grid */
input[type="radio"]:checked + .type-card {
  border-color: var(--color-primary);
  background-color: rgba(0, 105, 177, 0.04);
}

/* Hidden helper class */
.visually-hidden {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group select {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
  outline: none;
  min-height: 48px;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary);
}

.step-nav {
  display: flex;
  justify-content: flex-end;
  gap: 15px;
  margin-top: 10px;
}

.agreement-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
  margin-bottom: 20px;
}

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

/* Accordion FAQ */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 10px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-dark);
  transition: color var(--transition-fast);
}

.faq-trigger:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-normal);
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 10px 24px;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.faq-content[hidden] {
  display: none;
}

/* Contacts & Yandex Map block overlay layout */
.contacts-section {
  position: relative;
  display: flex;
  flex-direction: column;
}

.contacts-map-container {
  height: 500px;
  width: 100%;
}

.contacts-card-wrapper {
  position: absolute;
  top: 50%;
  left: 10%;
  transform: translateY(-50%);
  z-index: 10;
  width: 100%;
  max-width: 440px;
  pointer-events: none;
}

.contacts-card {
  background-color: var(--color-white);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  pointer-events: auto;
}

.contacts-card h3 {
  font-size: 1.6rem;
  color: var(--color-dark);
  margin-bottom: 25px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.contact-info-item strong {
  display: block;
  font-size: 0.9rem;
  color: var(--color-dark);
  margin-bottom: 3px;
}

.contact-info-item p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.contact-info-item a:hover {
  color: var(--color-primary);
}

/* Footer styling */
.site-footer {
  background-color: var(--color-dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a:hover {
  color: var(--color-white);
}

.brand-col .footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: 20px;
}

.footer-brand-desc {
  font-size: 0.9rem;
  line-height: 1.5;
}

.footer-phone {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-white);
  display: block;
  margin-bottom: 8px;
}

.footer-email {
  font-size: 0.95rem;
}

.footer-socials {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.social-link:hover {
  background-color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
}

/* dialog Backdrop styling and animations */
.modal-dialog {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 440px;
  width: calc(100% - 30px);
  margin: auto;
  padding: 0;
  overflow: hidden;
  background-color: var(--color-white);
}

.modal-dialog::backdrop {
  background-color: rgba(17, 30, 48, 0.6);
  backdrop-filter: blur(5px);
}

.dialog-content {
  padding: 40px;
  position: relative;
}

.close-dialog {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
}

.close-dialog svg {
  width: 24px;
  height: 24px;
}

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

.dialog-title {
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.dialog-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 25px;
}

.dialog-form .form-group {
  margin-bottom: 20px;
}

/* dialog open transition */
.modal-dialog[open] {
  animation: modalScaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalScaleUp {
  0% { transform: scale(0.9); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* Toast Success Notification styling */
.toast-notification {
  position: fixed;
  bottom: 30px;
  right: -400px;
  z-index: 2000;
  max-width: 350px;
  background-color: var(--color-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--border-radius);
  transition: right 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-notification.show {
  right: 30px;
}

.toast-inner {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 16px 20px;
}

.toast-icon {
  width: 32px;
  height: 32px;
  color: #2ecc71;
  flex-shrink: 0;
}

.toast-inner strong {
  display: block;
  font-family: var(--font-title);
  font-size: 0.95rem;
  margin-bottom: 3px;
}

.toast-inner p {
  font-size: 0.85rem;
  opacity: 0.8;
  line-height: 1.2;
}

/* Fade animation helper */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile & Tablet Responsiveness */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.75rem;
  }
  
  .calc-block {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 30px;
  }
  
  .contacts-card-wrapper {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin: 20px auto 0;
    padding: 0 20px;
    max-width: 100%;
  }
  
  .contacts-card {
    max-width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 50px 0;
  }
  
  .section-title {
    font-size: 1.75rem;
  }

  .site-header {
    background-color: var(--color-white);
  }

  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 79px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 79px);
    background-color: var(--color-white);
    flex-direction: column;
    padding: 40px;
    gap: 20px;
    transition: left var(--transition-normal);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    left: 0;
  }

  .header-contacts {
    display: none;
  }

  .hero-section {
    min-height: 80vh;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .promo-badges {
    flex-direction: column;
    gap: 15px;
  }

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

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

  .calc-widget {
    padding: 20px;
  }

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

/* Compact, non-overflowing calculator on phones */
@media (max-width: 768px) {
  #calculator.section-padding {
    padding: 32px 0;
  }

  #calculator .container {
    padding: 0 12px;
  }

  .calc-block {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 24px 16px;
    border-radius: 12px;
  }

  .calc-info,
  .calc-widget {
    min-width: 0;
  }

  .calc-info h2 {
    font-size: 1.75rem;
    margin-bottom: 12px;
  }

  .calc-info p {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 20px;
  }

  .calc-guarantee {
    align-items: flex-start;
    gap: 12px;
  }

  .shield-icon {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
  }

  .calc-guarantee p {
    font-size: 0.9rem;
    margin: 3px 0 0;
  }

  .calc-widget {
    min-height: 0;
    padding: 16px 12px;
  }

  .step-label {
    margin-bottom: 16px;
  }

  .window-types-grid {
    gap: 10px;
    margin-bottom: 20px;
  }

  .type-card {
    padding: 8px;
  }

  .type-img {
    height: 80px;
    margin-bottom: 6px;
  }

  .type-card span {
    display: block;
    font-size: 0.75rem;
    line-height: 1.25;
  }

  .step-nav {
    gap: 10px;
    margin-top: 4px;
  }

  .step-nav .btn {
    flex: 1;
  }
}

@media (max-width: 374px) {
  .calc-block {
    padding: 20px 12px;
  }

  .calc-info h2 {
    font-size: 1.625rem;
  }

  .calc-widget {
    padding: 14px 10px;
  }
}
/* Footer messenger and cookie consent */
.messenger-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 6px 12px 6px 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  color: var(--color-white);
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 700;
}

.messenger-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.45);
}

.messenger-icon {
  display: block;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  object-fit: contain;
}

.footer-bottom a {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cookie-consent {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1100;
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(500px, calc(100% - 40px));
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--border-radius);
  background: var(--color-dark);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

.cookie-consent[hidden] {
  display: none;
}

.cookie-consent p {
  flex: 1;
  font-size: 0.85rem;
  line-height: 1.45;
}

.cookie-consent a {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cookie-accept-btn {
  flex: 0 0 auto;
  min-width: 104px;
  min-height: 44px;
  padding: 10px 16px;
}

@media (max-width: 600px) {
  .cookie-consent {
    right: 12px;
    bottom: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    width: calc(100% - 24px);
    padding: 14px;
  }

  .cookie-accept-btn {
    width: 100%;
  }
}
/* Floating MAX contact button */
.floating-max {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1090;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 3px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background-color: var(--color-primary);
  box-shadow: 0 5px 18px rgba(0, 105, 177, 0.35);
  animation: floatingMaxPulse 2.2s ease-in-out infinite;
  touch-action: manipulation;
  transition: bottom 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

body.cookie-consent-visible .floating-max {
  bottom: calc(var(--cookie-consent-height, 0px) + 40px);
}

.floating-max.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(0.9);
  animation: none;
}

.floating-max:hover {
  animation-play-state: paused;
  transform: scale(1.06);
}

.floating-max:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
}

.floating-max img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

@keyframes floatingMaxPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 5px 18px rgba(0, 105, 177, 0.35), 0 0 0 0 rgba(0, 105, 177, 0.35);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 105, 177, 0.42), 0 0 0 12px rgba(0, 105, 177, 0);
  }
}

@media (max-width: 600px) {
  .floating-max {
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    width: 54px;
    height: 54px;
  }

  body.cookie-consent-visible .floating-max {
    bottom: calc(var(--cookie-consent-height, 0px) + 28px + env(safe-area-inset-bottom));
  }
}

@media (prefers-reduced-motion: reduce) {
  .floating-max {
    animation: none;
  }
}