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

:root {
  --primary: #1e3a5f;
  --primary-light: #2563eb;
  --primary-dark: #0f172a;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --accent-dark: #d97706;
  --success: #10b981;
  --danger: #ef4444;
  --text: #1e293b;
  --text-light: #64748b;
  --text-white: #f8fafc;
  --bg: #ffffff;
  --bg-light: #f1f5f9;
  --bg-dark: #0f172a;
  --border: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: .3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul { list-style: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select {
  font: inherit;
  border: none;
  outline: none;
}

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

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 900;
}

.nav { display: flex; align-items: center; gap: 8px; }

.nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: .9rem;
  color: var(--text);
  transition: all var(--transition);
}

.nav a:hover {
  background: var(--bg-light);
  color: var(--primary-light);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
}

.nav-dropdown-menu a:hover {
  background: var(--bg-light);
}

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

.header-phone {
  font-weight: 700;
  font-size: .95rem;
  color: var(--primary);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: white;
  box-shadow: 0 4px 14px rgba(37,99,235,.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37,99,235,.4);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--primary-dark);
  box-shadow: 0 4px 14px rgba(245,158,11,.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245,158,11,.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-light);
  color: var(--primary-light);
}

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

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

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius);
}

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

.burger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1e40af 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(245,158,11,.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,.2) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
  padding: 8px 20px;
  border-radius: 50px;
  color: var(--accent);
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,.1);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: white;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text {
  font-size: 1.15rem;
  color: rgba(255,255,255,.75);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.hero-stat-label {
  font-size: .82rem;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
}

.hero-card {
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 40px;
}

.hero-card h3 {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.hero-card-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-card-feature {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255,255,255,.85);
  font-size: .95rem;
}

.hero-card-icon {
  width: 44px;
  height: 44px;
  background: rgba(245,158,11,.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ===== SECTIONS ===== */
.section {
  padding: 80px 0;
}

.section-dark {
  background: var(--bg-dark);
  color: white;
}

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

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-dark .section-title p {
  color: rgba(255,255,255,.6);
}

/* ===== SERVICES GRID ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(37,99,235,.05));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-light);
  font-size: .9rem;
  margin-bottom: 20px;
}

.service-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.service-card-price {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
}

.service-card-time {
  font-size: .85rem;
  color: var(--text-light);
  background: var(--bg-light);
  padding: 6px 12px;
  border-radius: 20px;
}

/* ===== REASONS ===== */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.reason-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}

.reason-card:hover {
  background: rgba(255,255,255,.08);
  transform: translateY(-4px);
}

.reason-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.reason-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: white;
}

.reason-card p {
  color: rgba(255,255,255,.6);
  font-size: .9rem;
}

/* ===== STEPS ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-card {
  text-align: center;
  position: relative;
}

.step-num {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.step-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-card p {
  color: var(--text-light);
  font-size: .9rem;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
}

.testimonial-stars {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: .95rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.testimonial-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: .9rem;
}

.testimonial-name {
  font-weight: 600;
  font-size: .95rem;
}

.testimonial-source {
  font-size: .8rem;
  color: var(--text-light);
}

/* ===== CALCULATOR ===== */
.calculator {
  background: white;
  border-radius: 20px;
  padding: 48px;
  box-shadow: var(--shadow-xl);
  max-width: 700px;
  margin: 0 auto;
}

.calc-step { display: none; }
.calc-step.active { display: block; }

.calc-step-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
}

.calc-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.calc-option {
  padding: 16px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  font-weight: 600;
}

.calc-option:hover {
  border-color: var(--primary-light);
  background: rgba(37,99,235,.03);
}

.calc-option.selected {
  border-color: var(--primary-light);
  background: rgba(37,99,235,.05);
  color: var(--primary-light);
}

.calc-result {
  text-align: center;
  padding: 32px;
  background: var(--bg-light);
  border-radius: var(--radius);
}

.calc-result-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.calc-result-note {
  color: var(--text-light);
  font-size: .9rem;
}

.calc-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

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

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}

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

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

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--primary-light);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-question::after {
  content: '−';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-light);
  font-size: .95rem;
  line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), #1e40af);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(245,158,11,.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta .container { position: relative; z-index: 1; }

.cta h2 {
  font-size: 2.2rem;
  color: white;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta p {
  color: rgba(255,255,255,.7);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== FORM ===== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 8px;
  color: var(--text);
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  transition: all var(--transition);
  background: white;
}

.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2364748b'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.7);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-desc {
  font-size: .9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer h4 {
  color: white;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: .9rem;
}

.footer-contact-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .82rem;
  color: rgba(255,255,255,.4);
}

.footer-bottom a {
  color: rgba(255,255,255,.4);
}

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

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,.3) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 {
  font-size: 2.5rem;
  color: white;
  font-weight: 800;
  margin-bottom: 16px;
}

.page-hero p {
  color: rgba(255,255,255,.7);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== INNER PAGE CONTENT ===== */
.page-content {
  padding: 60px 0;
}

.page-content h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin: 40px 0 16px;
}

.page-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 28px 0 12px;
}

.page-content p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-content ul {
  margin-bottom: 20px;
  padding-left: 24px;
}

.page-content ul li {
  position: relative;
  padding: 6px 0 6px 20px;
  line-height: 1.7;
}

.page-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  background: var(--primary-light);
  border-radius: 50%;
}

/* ===== PRICE BANNER ===== */
.price-banner {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 40px 0;
  color: white;
}

.price-banner-info h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
  color: white;
}

.price-banner-info p {
  color: rgba(255,255,255,.75);
}

.price-banner-price {
  font-size: 2.5rem;
  font-weight: 800;
}

/* ===== ADVANTAGES GRID ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-light);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.advantage-item:hover {
  background: white;
  box-shadow: var(--shadow);
}

.advantage-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.advantage-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.advantage-item p {
  font-size: .88rem;
  color: var(--text-light);
  margin: 0;
}

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  transition: all var(--transition);
}

.contact-info-card:hover {
  background: white;
  box-shadow: var(--shadow);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info-card h3,
.contact-info-card h4 {
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: .9rem;
  color: var(--text-light);
  margin: 4px 0 0;
}

.contact-form-card {
  background: white;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-xl);
}

.contact-form-card h2,
.contact-form-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

/* ===== WHATSAPP FLOAT ===== */
.float-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.6rem;
  box-shadow: 0 4px 14px rgba(37,211,102,.4);
  z-index: 999;
  transition: all var(--transition);
  cursor: pointer;
}

.float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37,211,102,.5);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  padding: 24px;
  z-index: 999;
  overflow-y: auto;
}

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

.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 1.1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.3rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .reasons-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header-phone { display: none; }
  .burger { display: flex; }

  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 1.9rem; }
  .hero-buttons { flex-direction: column; }
  .hero-stats { gap: 24px; }
  .hero-card { padding: 28px; }

  .section { padding: 60px 0; }
  .section-title h2 { font-size: 1.7rem; }

  .services-grid,
  .reasons-grid,
  .steps-grid,
  .testimonials-grid { grid-template-columns: 1fr; }

  .calculator { padding: 28px; }
  .calc-options { grid-template-columns: 1fr; }

  .price-banner {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

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

  .page-hero h1 { font-size: 1.8rem; }

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

@media (max-width: 480px) {
  .hero h1 { font-size: 1.6rem; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .container { padding: 0 16px; }
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}

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

/* Privacy page */
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
}

.privacy-content h2 {
  font-size: 1.5rem;
  margin: 32px 0 12px;
}

.privacy-content p {
  margin-bottom: 12px;
  line-height: 1.8;
  color: var(--text-light);
}