/* ============================================
   СВЯТЛИЦА — Premium Design System
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700;800&display=swap');

/* ---------- Custom Properties ---------- */
:root {
  /* Colors */
  --bg-primary: #0B0F14;
  --bg-secondary: #111820;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --border-glass: rgba(255, 255, 255, 0.1);
  --gold: #D4A853;
  --gold-light: #E8C97A;
  --gold-dark: #B08A3E;
  --text-primary: #F5F5F5;
  --text-secondary: rgba(245, 245, 245, 0.65);
  --text-muted: rgba(245, 245, 245, 0.4);
  --accent-gradient: linear-gradient(135deg, #D4A853 0%, #E8C97A 50%, #D4A853 100%);
  --dark-gradient: linear-gradient(180deg, #0B0F14 0%, #111820 100%);
  --overlay: rgba(11, 15, 20, 0.7);

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --section-padding: 120px 0;
  --container-width: 1200px;
  --container-padding: 0 24px;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-gold: 0 4px 24px rgba(212, 168, 83, 0.25);
  --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Accessibility: Focus States */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

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

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

input,
textarea,
select {
  font-family: inherit;
  outline: none;
}

/* ---------- Container ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* ---------- Typography ---------- */
.section-label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 60px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #0B0F14;
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(212, 168, 83, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn-outline:hover {
  background: var(--gold);
  color: #0B0F14;
}

/* Pulse animation for CTA */
.btn-pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(212, 168, 83, 0.5);
  }

  70% {
    box-shadow: 0 0 0 20px rgba(212, 168, 83, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(212, 168, 83, 0);
  }
}

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 40px;
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 14px 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  transition: opacity var(--transition-fast);
}

.logo:hover .logo-img {
  opacity: 0.85;
}

.footer-logo-img {
  height: 60px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--text-primary);
}

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

.header-cta {
  padding: 10px 24px;
  font-size: 0.85rem;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(11, 15, 20, 0.88) 0%,
      rgba(11, 15, 20, 0.65) 50%,
      rgba(11, 15, 20, 0.78) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 60px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  animation: blink 2s infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border-glass);
}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Ambient light effect */
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.08) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

/* ============================================
   PROBLEMS → SOLUTIONS
   ============================================ */
.problems {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

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

.problem-card {
  text-align: center;
  padding: 48px 32px;
}

.problem-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: rgba(212, 168, 83, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  transition: transform var(--transition-spring);
}

.problem-card:hover .problem-icon {
  transform: scale(1.1) rotate(5deg);
}

.problem-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.problem-arrow {
  color: var(--gold);
  font-size: 1.2rem;
  margin-top: 16px;
  display: block;
}

/* ============================================
   PRODUCT LINES
   ============================================ */
.products {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

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

.product-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.product-card.featured {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}

.product-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 6px 16px;
  background: var(--accent-gradient);
  color: #0B0F14;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 30px;
  z-index: 2;
}

.product-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-image-wrapper {
  overflow: hidden;
  position: relative;
}

.product-image-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(transparent, var(--bg-glass));
  pointer-events: none;
}

.product-body {
  padding: 32px;
}

.product-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.product-price {
  font-size: 1.1rem;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 20px;
}

.product-features {
  margin-bottom: 24px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.product-features li:last-child {
  border-bottom: none;
}

.product-features li::before {
  content: '✓';
  color: var(--gold);
  font-weight: 700;
  font-size: 0.85rem;
}

/* ============================================
   PORTFOLIO
   ============================================ */
.portfolio {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.portfolio-filter {
  padding: 10px 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 60px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.portfolio-filter:hover,
.portfolio-filter.active {
  background: var(--gold);
  color: #0B0F14;
  border-color: var(--gold);
}

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

.portfolio-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 40%, rgba(11, 15, 20, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.portfolio-overlay p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ============================================
   HOW WE WORK (TIMELINE)
   ============================================ */
.process {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.process-timeline {
  display: flex;
  gap: 0;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 40px;
  right: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(212, 168, 83, 0.2));
}

.process-step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-glass);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  position: relative;
  z-index: 2;
  transition: all var(--transition-base);
}

.process-step:hover .step-number {
  border-color: var(--gold);
  background: rgba(212, 168, 83, 0.1);
  transform: scale(1.1);
}

.process-step h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   CALCULATOR
   ============================================ */
.calculator {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.calculator::before {
  content: '';
  position: absolute;
  top: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

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

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

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

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  padding: 14px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

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

.calc-result {
  position: sticky;
  top: 120px;
}

.calc-result-card {
  padding: 48px;
  text-align: center;
}

.calc-total-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.calc-total {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 8px;
}

.calc-total-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.calc-breakdown {
  text-align: left;
  margin-bottom: 32px;
}

.calc-breakdown-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
}

.calc-breakdown-row span:first-child {
  color: var(--text-secondary);
}

.calc-breakdown-row span:last-child {
  color: var(--text-primary);
  font-weight: 600;
}

/* ============================================
   TRUST (STATS)
   ============================================ */
.trust {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.trust-card {
  text-align: center;
  padding: 40px 24px;
}

.trust-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}

.trust-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
  opacity: 0.5;
}

.trust-logos img {
  height: 40px;
  filter: brightness(0) invert(1);
}

/* ============================================
   REVIEWS
   ============================================ */
.reviews {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.reviews-carousel {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 20px;
}

.reviews-carousel::-webkit-scrollbar {
  display: none;
}

.review-card {
  min-width: 380px;
  scroll-snap-align: start;
  flex-shrink: 0;
}

.review-stars {
  color: var(--gold);
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 4px;
}

.review-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

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

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #0B0F14;
  font-size: 1.1rem;
}

.review-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.review-project {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ============================================
   DESIGN & LIGHT
   ============================================ */
.design-light {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.dl-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 350px;
  display: flex;
  align-items: flex-end;
}

.dl-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.dl-card-content {
  position: relative;
  z-index: 2;
  padding: 32px;
  width: 100%;
  background: linear-gradient(transparent, rgba(11, 15, 20, 0.9));
}

.dl-card-content h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.dl-card-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   BLOG PREVIEW
   ============================================ */
.blog {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

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

.blog-card {
  overflow: hidden;
}

.blog-image {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  margin: -40px -40px 24px -40px;
  width: calc(100% + 80px);
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.blog-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(212, 168, 83, 0.15);
  color: var(--gold);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.blog-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.blog-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ============================================
   FINAL CTA
   ============================================ */
.final-cta {
  padding: var(--section-padding);
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(212, 168, 83, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-wrapper {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-wrapper h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.cta-wrapper p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto;
}

.cta-form input {
  flex: 1;
  padding: 16px 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 60px;
  color: var(--text-primary);
  font-size: 1rem;
}

.cta-form input:focus {
  border-color: var(--gold);
}

.cta-form .btn {
  white-space: nowrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 80px 0 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-about .logo {
  margin-bottom: 16px;
}

.footer-about p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social {
  width: 40px;
  height: 40px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 1.1rem;
}

.footer-social:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #0B0F14;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--gold);
  padding-left: 8px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-contact-item span:first-child {
  font-size: 1.1rem;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ============================================
   FLOATING ELEMENTS
   ============================================ */
.float-whatsapp {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: white;
  z-index: 999;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.35);
  transition: all var(--transition-base);
  animation: pulse-green 2s infinite;
}

.float-whatsapp:hover {
  transform: scale(1.1);
}

@keyframes pulse-green {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }

  70% {
    box-shadow: 0 0 0 18px rgba(37, 211, 102, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children>* {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger-children.visible>*:nth-child(1) {
  transition-delay: 0.1s;
}

.stagger-children.visible>*:nth-child(2) {
  transition-delay: 0.2s;
}

.stagger-children.visible>*:nth-child(3) {
  transition-delay: 0.3s;
}

.stagger-children.visible>*:nth-child(4) {
  transition-delay: 0.4s;
}

.stagger-children.visible>*:nth-child(5) {
  transition-delay: 0.5s;
}

.stagger-children.visible>* {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 15, 20, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    z-index: 998;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.3rem;
  }

  .menu-toggle {
    display: flex;
    z-index: 999;
  }

  .header-phone {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .products-grid,
  .problems-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

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

  .calc-wrapper {
    grid-template-columns: 1fr;
  }

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

  .process-timeline {
    flex-direction: column;
    gap: 32px;
  }

  .process-timeline::before {
    top: 0;
    bottom: 0;
    left: 40px;
    width: 2px;
    height: auto;
    right: auto;
  }

  .process-step {
    text-align: left;
    padding-left: 100px;
  }

  .step-number {
    position: absolute;
    left: 0;
    margin: 0;
  }

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

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

  .hero-stats {
    gap: 32px;
  }
}

@media (max-width: 640px) {
  :root {
    --section-padding: 64px 0;
    --container-padding: 0 16px;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

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

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

  .review-card {
    min-width: 300px;
  }

  .cta-form {
    flex-direction: column;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .glass-card {
    padding: 28px;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .product-card {
    margin: 0;
  }

  .btn {
    padding: 14px 28px;
    font-size: 0.9rem;
  }
}

/* ============================================
   MODAL / POPUP
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 480px;
  width: 90%;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-spring);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  transition: color var(--transition-fast);
}

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

.modal h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.modal p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.modal .form-group {
  margin-bottom: 16px;
}

/* ============================================
   UTILITY ANIMATIONS
   ============================================ */
@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }

  100% {
    background-position: 200% center;
  }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* Counter animation handled via JS */