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

:root {
  --navy: #0b1e3d;
  --navy-mid: #152b50;
  --navy-light: #1e3a64;
  --orange: #e8530a;
  --orange-light: #ff6b2b;
  --orange-pale: #fff0e8;
  --white: #ffffff;
  --gray-50: #f7f8fa;
  --gray-100: #eef0f4;
  --gray-300: #c5c9d4;
  --gray-500: #8a90a0;
  --gray-700: #3d4455;
  --text: #1a1d2e;
  --radius: 16px;
  --shadow: 0 4px 32px rgba(11, 30, 61, 0.1);
}

html {
  scroll-behavior: smooth;
}

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

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 30, 61, 0.97);
  backdrop-filter: blur(12px);
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

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

.logo-inner {
  display: flex;
  align-items: center;
  gap: 0;
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  align-items: center;
}

.logo-image {
  height: 34px;
  width: auto;
  display: block;
}

.logo-text-wrap span {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 3px;
  text-align: center;
}

nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

nav a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 13.5px;
  text-decoration: none;
}

nav a:hover {
  color: #fff;
}

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

.header-phone {
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

.btn-call,
.btn-primary,
.btn-secondary,
.form-submit {
  border: none;
  cursor: pointer;
  font-family: "Onest", sans-serif;
}

.btn-call {
  background: var(--orange);
  color: #fff;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
}

.hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  padding: 120px 32px 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  z-index: 2;
}

.hero-bg-shape,
.hero-bg-shape2 {
  position: absolute;
  pointer-events: none;
}

.hero-bg-shape {
  right: -100px;
  top: -100px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(232, 83, 10, 0.12) 0%, transparent 65%);
}

.hero-bg-shape2 {
  left: -150px;
  bottom: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(30, 58, 100, 0.8) 0%, transparent 65%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232, 83, 10, 0.15);
  border: 1px solid rgba(232, 83, 10, 0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 12px;
  color: #ff8a5e;
  margin-bottom: 24px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.hero h1 {
  font-family: "Unbounded", sans-serif;
  font-size: clamp(28px, 3.5vw, 48px);
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 .accent {
  color: var(--orange);
}

.hero-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 40px;
  max-width: 440px;
}

.hero-stats {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.stat-val {
  font-family: "Unbounded", sans-serif;
  font-size: 28px;
  color: #fff;
  line-height: 1;
}

.stat-unit {
  font-size: 14px;
  color: var(--orange);
}

.stat-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 4px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--orange);
  color: #fff;
  border-radius: 12px;
  padding: 16px 28px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 16px 28px;
  text-decoration: none;
}

.boiler-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
  position: relative;
}

.boiler-illustration {
  margin-bottom: 24px;
}

.boiler-svg {
  width: 160px;
  height: 240px;
  display: block;
  margin: 0 auto;
}

.boiler-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.boiler-info-item {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 12px 14px;
}

.bi-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
}

.bi-val {
  font-size: 14px;
  color: #fff;
}

.status-ok {
  color: #4ade80;
}

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

.floating-badge {
  position: absolute;
  color: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
}

.fb-top {
  top: -12px;
  right: 20px;
  background: rgba(232, 83, 10, 0.9);
}

.fb-bottom {
  bottom: 80px;
  left: -20px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.features-strip {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  padding: 24px 32px;
}

.features-strip-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.strip-icon {
  width: 36px;
  height: 36px;
  background: var(--orange-pale);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.strip-icon svg {
  width: 18px;
  height: 18px;
  fill: var(--orange);
}

.strip-text {
  font-size: 13.5px;
  font-weight: 600;
}

.strip-divider {
  width: 1px;
  height: 32px;
  background: var(--gray-300);
}

section {
  padding: 96px 32px;
}

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

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

.section-title {
  font-family: "Unbounded", sans-serif;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--gray-500);
  max-width: 520px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
  align-items: stretch;
}

.service-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.service-photo-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(180deg, #f9fbff 0%, #f1f4fa 100%);
  border: 1px solid #e8edf6;
  margin-bottom: 14px;
}

.service-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.service-photo-contain {
  object-fit: contain;
  padding: 8px;
}

.service-title {
  margin-bottom: 10px;
  font-size: 18px;
}

.service-list {
  margin-left: 18px;
  color: var(--gray-700);
  margin-top: auto;
}

.service-list li {
  margin-bottom: 6px;
}

.price-section {
  background: var(--gray-50);
}

.price-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

.price-tabs {
  display: flex;
  gap: 8px;
  background: var(--white);
  padding: 5px;
  border-radius: 12px;
  border: 1px solid var(--gray-100);
}

.price-tab {
  padding: 8px 20px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--gray-500);
  cursor: pointer;
}

.price-tab.active {
  background: var(--orange);
  color: #fff;
}

.price-table {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow);
}

.price-row {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 18px 28px;
  border-bottom: 1px solid var(--gray-100);
}

.price-row:last-child {
  border-bottom: none;
}

.price-row.header {
  background: var(--navy);
}

.price-name {
  font-size: 14px;
}

.price-row.header .price-name {
  color: #fff;
}

.price-val {
  font-weight: 700;
  color: var(--orange);
}

.price-row.header .price-val {
  color: rgba(255, 255, 255, 0.65);
}

.free {
  color: #16a34a;
}

.is-hidden {
  display: none;
}

.how-section {
  background: #f2f2f3;
}

.workflow-title {
  text-align: center;
  margin-bottom: 36px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.workflow-card {
  position: relative;
  border: 1px solid #e4e4e4;
  border-radius: 0;
  padding: 26px 18px;
  background: #fff;
  min-height: 210px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.workflow-num {
  position: absolute;
  top: 8px;
  left: 10px;
  font-size: 14px;
  color: var(--orange);
  font-weight: 700;
}

.workflow-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.workflow-card p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.25;
  font-weight: 700;
  color: #202020;
}

.workflow-card-special {
  background: var(--navy-mid);
  border-color: var(--navy-mid);
  color: #fff;
  align-items: flex-start;
  text-align: left;
  padding: 24px;
}

.workflow-card-special strong {
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: 0.4px;
}

.workflow-card-special span {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.workflow-price {
  margin-top: 8px;
  font-family: "Unbounded", sans-serif;
  font-size: 48px;
  line-height: 1;
  color: #21a2ff;
}

.masters-section {
  background: var(--navy);
}

.masters-section .section-title,
.masters-section .section-label {
  color: #fff;
}

.masters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.master-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  padding: 20px;
  color: #fff;
}

.master-card img {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 12px;
}

.master-card p {
  opacity: 0.8;
}

.advantages-section {
  background: var(--gray-50);
}

.advantages-section .container,
.reviews-section .container,
.faq-section .container,
.text-section .container {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 34px;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.adv-card {
  background: linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
  border: 1px solid #e9edf5;
  border-radius: 14px;
  padding: 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.adv-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.adv-card p {
  color: var(--gray-700);
}

.adv-card:hover {
  transform: translateY(-3px);
  border-color: #d8dfec;
  box-shadow: 0 10px 24px rgba(11, 30, 61, 0.08);
}

.cta-section {
  background: var(--orange-pale);
}

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

.cta-inner .section-desc {
  margin: 0 auto;
}

.cta-form {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  justify-content: center;
}

.cta-form .form-input {
  max-width: 280px;
}

.faq-list {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid #e7ebf3;
  border-radius: 12px;
  padding: 16px 18px;
  background: #fbfcff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  color: #1f2a44;
}

.faq-list details[open] {
  background: #fff;
  border-color: #d9e1f0;
  box-shadow: 0 8px 18px rgba(11, 30, 61, 0.06);
}

.faq-list p {
  margin-top: 10px;
  color: var(--gray-700);
}

.reviews-section {
  background: var(--gray-50);
}

.reviews-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.review-card {
  background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
  border: 1px solid #e8edf6;
  border-radius: 14px;
  padding: 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.review-card:hover {
  transform: translateY(-3px);
  border-color: #d8dfec;
  box-shadow: 0 10px 24px rgba(11, 30, 61, 0.08);
}

.review-card h3 {
  font-size: 18px;
}

.review-meta {
  color: var(--gray-500);
  font-size: 14px;
  margin: 6px 0 10px;
}

.text-section {
  background: #fff;
}

.text-subtitle {
  margin-top: 24px;
  margin-bottom: 10px;
  font-size: 20px;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
}

.text-paragraph {
  color: var(--gray-700);
  margin-top: 8px;
  background: #fbfcff;
  border: 1px solid #e8edf6;
  border-radius: 12px;
  padding: 14px 16px;
}

.text-list {
  margin-top: 12px;
  margin-left: 0;
  list-style: none;
  color: var(--gray-700);
  display: grid;
  gap: 8px;
}

.text-list li {
  margin-bottom: 0;
  background: #fbfcff;
  border: 1px solid #e8edf6;
  border-radius: 10px;
  padding: 10px 12px 10px 30px;
  position: relative;
}

.text-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  position: absolute;
  left: 12px;
  top: 16px;
}

.contacts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin: 48px auto 0;
  max-width: 560px;
}

.contact-card {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 36px 32px;
  border: 1px solid var(--gray-100);
}

.contact-city {
  font-family: "Unbounded", sans-serif;
  font-size: 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.city-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 16px;
}

.contact-icon-wrap {
  width: 38px;
  height: 38px;
  background: var(--orange-pale);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon-wrap svg {
  width: 18px;
  height: 18px;
  fill: var(--orange);
}

.contact-label {
  font-size: 11px;
  color: var(--gray-500);
}

.contact-value {
  font-size: 15px;
  font-weight: 600;
}

.contact-value a {
  color: var(--orange);
  text-decoration: none;
}

footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.5);
  padding: 40px 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  color: #fff;
  font-family: "Unbounded", sans-serif;
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
}

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

.footer-phone {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.footer-wa {
  color: #25D366;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.footer-social {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
}

/* ========================================
   HEADER WHATSAPP
   ======================================== */
.header-whatsapp {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(37, 211, 102, 0.12);
  transition: background 0.2s;
}

.header-whatsapp:hover {
  background: rgba(37, 211, 102, 0.25);
}

/* ========================================
   MOBILE WHATSAPP LINK
   ======================================== */
.mobile-whatsapp {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #25D366;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* ========================================
   CONTACT WHATSAPP ICON
   ======================================== */
.contact-icon-whatsapp {
  background: rgba(37, 211, 102, 0.12);
}

.contact-icon-whatsapp svg {
  width: 18px;
  height: 18px;
}

/* ========================================
   FLOATING CALLBACK WIDGET
   ======================================== */
.float-callback {
  position: fixed;
  bottom: 100px;
  left: 28px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.float-callback-bubble {
  background: var(--orange);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  padding: 14px 20px;
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  position: relative;
  box-shadow: 0 4px 20px rgba(232, 83, 10, 0.3);
  animation: bubbleFadeIn 0.5s ease 2s both;
  cursor: default;
  max-width: 240px;
}

.float-callback-bubble::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 28px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--orange);
}

.float-callback-bubble.hidden {
  display: none;
}

@keyframes bubbleFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.float-callback-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: none;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(232, 83, 10, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  animation: callPulse 2s infinite;
}

.float-callback-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 32px rgba(232, 83, 10, 0.5);
}

@keyframes callPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(232, 83, 10, 0.5);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(232, 83, 10, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(232, 83, 10, 0);
  }
}

/* ========================================
   FLOATING WHATSAPP BUTTON
   ======================================== */
.float-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}

.float-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11, 30, 61, 0.7);
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

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

.modal {
  background: #fff;
  border-radius: 24px;
  padding: 36px;
  max-width: 460px;
  width: 100%;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--gray-100);
}

.modal-title {
  font-family: "Unbounded", sans-serif;
  font-size: 22px;
  margin-bottom: 8px;
}

.modal-sub {
  color: var(--gray-500);
  margin-bottom: 24px;
}

.form-field {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 10px;
  background: var(--gray-50);
}

.form-submit {
  width: 100%;
  background: var(--orange);
  color: #fff;
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 8px;
}

.form-note {
  font-size: 12px;
  color: var(--gray-500);
  text-align: center;
  margin-top: 10px;
}

/* ========================================
   BURGER BUTTON
   ======================================== */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 201;
}

.burger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.burger.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

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

.burger.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ========================================
   MOBILE MENU
   ======================================== */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  height: 100dvh;
  background: var(--navy);
  z-index: 200;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
  overflow-y: auto;
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-inner {
  padding: 90px 28px 40px;
  display: flex;
  flex-direction: column;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-nav a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: color 0.2s, padding-left 0.2s;
}

.mobile-nav a:hover,
.mobile-nav a:active {
  color: var(--orange);
  padding-left: 8px;
}

.mobile-phone {
  display: block;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
  margin-top: 28px;
  padding: 14px 0;
}

.mobile-cta {
  margin-top: 12px;
  width: 100%;
  padding: 14px 20px;
  font-size: 15px;
  border-radius: 12px;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

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

/* ========================================
   RESPONSIVE — TABLET (≤1024px)
   ======================================== */
@media (max-width: 1024px) {
  nav {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .burger {
    display: flex;
  }

  .services-grid,
  .adv-grid,
  .reviews-grid,
  .masters-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-grid {
    gap: 40px;
  }

  .features-strip-inner {
    justify-content: center;
  }

  section {
    padding: 64px 24px;
  }

  .hero {
    padding: 100px 24px 60px;
  }
}

/* ========================================
   RESPONSIVE — MOBILE (≤768px)
   ======================================== */
@media (max-width: 768px) {
  header {
    padding: 0 16px;
    height: 64px;
  }

  nav {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .burger {
    display: flex;
  }

  .logo-image {
    height: 28px;
  }

  .hero {
    padding: 90px 16px 48px;
    min-height: auto;
  }

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

  .hero-visual {
    display: none;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero-desc {
    font-size: 14px;
    margin-bottom: 28px;
  }

  .hero-stats {
    gap: 16px;
    margin-bottom: 28px;
  }

  .stat-val {
    font-size: 22px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 14px 20px;
  }

  .features-strip {
    padding: 16px;
  }

  .strip-divider {
    display: none;
  }

  .features-strip-inner {
    gap: 12px;
    justify-content: flex-start;
  }

  .strip-text {
    font-size: 12px;
  }

  section {
    padding: 48px 16px;
  }

  .section-title {
    font-size: 22px;
  }

  .services-grid,
  .workflow-grid,
  .masters-grid,
  .adv-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .workflow-card {
    min-height: 160px;
    padding: 22px 16px;
  }

  .workflow-icon {
    font-size: 30px;
    margin-bottom: 8px;
  }

  .workflow-card-special strong {
    font-size: 18px;
  }

  .workflow-price {
    font-size: 38px;
  }

  .workflow-title {
    font-size: 22px;
    text-align: left;
  }

  .price-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .price-tabs {
    width: 100%;
  }

  .price-tab {
    flex: 1;
    text-align: center;
    padding: 8px 12px;
    font-size: 12px;
  }

  .price-row {
    padding: 14px 16px;
    font-size: 13px;
  }

  .advantages-section .container,
  .reviews-section .container,
  .faq-section .container,
  .text-section .container {
    padding: 18px;
    border-radius: 14px;
  }

  .adv-card,
  .review-card {
    padding: 18px;
  }

  .master-card {
    padding: 16px;
    text-align: center;
  }

  .master-card img {
    width: 64px;
    height: 64px;
  }

  .contacts-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .contact-card {
    padding: 24px 20px;
  }

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

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

  .faq-list details {
    padding: 14px;
  }

  .faq-list summary {
    font-size: 14px;
  }

  footer {
    padding: 28px 16px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .footer-links {
    justify-content: center;
  }

  .modal {
    padding: 24px;
    border-radius: 16px;
  }

  .modal-title {
    font-size: 18px;
  }

  .float-callback {
    bottom: 80px;
    left: 16px;
  }

  .float-callback-bubble {
    font-size: 13px;
    padding: 10px 14px;
    max-width: 200px;
    border-radius: 12px;
    border-bottom-left-radius: 4px;
  }

  .float-callback-btn {
    width: 54px;
    height: 54px;
  }

  .float-callback-btn svg {
    width: 24px;
    height: 24px;
  }

  .float-whatsapp {
    bottom: 20px;
    right: 16px;
    width: 54px;
    height: 54px;
  }

  .float-whatsapp svg {
    width: 24px;
    height: 24px;
  }

  .footer-contacts {
    justify-content: center;
  }
}

/* ========================================
   RESPONSIVE — SMALL MOBILE (≤480px)
   ======================================== */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 24px;
  }

  .hero-badge {
    font-size: 11px;
    padding: 5px 12px;
  }

  .stat-val {
    font-size: 20px;
  }

  .stat-label {
    font-size: 11px;
  }

  .section-title {
    font-size: 20px;
  }

  .workflow-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .workflow-card {
    min-height: 140px;
    padding: 18px 12px;
  }

  .workflow-card p {
    font-size: 11px;
  }

  .workflow-num {
    font-size: 12px;
  }

  .workflow-icon {
    font-size: 26px;
  }

  .workflow-card-special strong {
    font-size: 15px;
  }

  .workflow-price {
    font-size: 32px;
  }

  .strip-item {
    flex: 0 0 auto;
  }

  .features-strip-inner {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .price-row {
    padding: 12px;
    gap: 8px;
  }

  .price-name {
    font-size: 13px;
  }

  .adv-card h3,
  .review-card h3 {
    font-size: 16px;
  }

  .text-list li {
    font-size: 13px;
    padding: 8px 10px 8px 28px;
  }

  .text-list li::before {
    left: 10px;
    top: 14px;
    width: 6px;
    height: 6px;
  }
}