@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ===== PREMIUM 2026 DESIGN SYSTEM — Crypto-Office ===== */
:root {
  /* Core palette */
  --bg-primary: #06080f;
  --bg-secondary: #0c1019;
  --bg-card: rgba(14, 18, 30, 0.75);
  --bg-glass: rgba(255, 255, 255, 0.02);
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(99, 179, 255, 0.15);

  /* Text */
  --text-primary: #eef2ff;
  --text-secondary: #8b95b0;
  --text-muted: #505a72;

  /* Accents */
  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --accent-glow: rgba(245, 158, 11, 0.35);
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.2);
  --green: #10b981;
  --green-glow: rgba(16, 185, 129, 0.2);
  --red: #ef4444;
  --blue: #3b82f6;
  --purple: #8b5cf6;
  --purple-glow: rgba(139, 92, 246, 0.15);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #06080f 0%, #0d1320 30%, #121a2e 60%, #0a1025 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b, #f97316);
  --gradient-aurora: linear-gradient(135deg,
      rgba(6, 182, 212, 0.08),
      rgba(139, 92, 246, 0.06),
      rgba(245, 158, 11, 0.05),
      rgba(16, 185, 129, 0.04));
  --gradient-card: linear-gradient(135deg, rgba(6, 182, 212, 0.03), rgba(139, 92, 246, 0.03));
  --gradient-border: linear-gradient(135deg, rgba(99, 179, 255, 0.2), rgba(139, 92, 246, 0.15), rgba(245, 158, 11, 0.1));

  /* Effects */
  --shadow-lg: 0 25px 60px -12px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 50px rgba(245, 158, 11, 0.12);
  --shadow-cyan: 0 0 40px rgba(6, 182, 212, 0.1);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* Spacing */
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== NOISE OVERLAY ===== */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cyan), var(--accent));
  border-radius: 3px;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 8, 15, 0.7);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(6, 8, 15, 0.92);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
  border-bottom-color: var(--border-glow);
}

.header-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: #000;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: var(--transition);
}

.logo:hover .logo-icon {
  transform: rotate(-5deg) scale(1.05);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.3rem 0;
}

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

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: var(--transition);
  border-radius: 1px;
}

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

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
}

.header-phone:hover {
  color: var(--accent-hover);
  text-shadow: 0 0 24px var(--accent-glow);
}

.header-contacts {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-whatsapp {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #25D366;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
}

.header-whatsapp:hover {
  color: #128C7E;
  text-shadow: 0 0 24px rgba(37, 211, 102, 0.4);
}

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

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

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

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

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

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 8, 15, 0.98);
  backdrop-filter: blur(24px);
  z-index: 999;
  padding: 2rem;
  flex-direction: column;
  gap: 0.5rem;
}

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

.mobile-menu a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}

.mobile-menu a:hover {
  color: var(--accent);
  padding-left: 1rem;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: 7rem 2rem 5rem;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  z-index: 0;
  animation: hero-zoom 30s ease-in-out infinite alternate;
  filter: blur(2px);
}

@keyframes hero-zoom {
  0% {
    transform: scale(1);
  }

  100% {
    transform: scale(1.1);
  }
}

/* Aurora orbs */
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.07) 0%, rgba(139, 92, 246, 0.04) 40%, transparent 70%);
  animation: aurora-float 12s ease-in-out infinite;
  filter: blur(60px);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -25%;
  left: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, rgba(139, 92, 246, 0.04) 40%, transparent 70%);
  animation: aurora-float 16s ease-in-out infinite reverse;
  filter: blur(40px);
}

@keyframes aurora-float {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.5;
  }

  25% {
    transform: translate(40px, -30px) scale(1.1);
    opacity: 0.8;
  }

  50% {
    transform: translate(-20px, 20px) scale(1.2);
    opacity: 1;
  }

  75% {
    transform: translate(30px, 10px) scale(1.05);
    opacity: 0.7;
  }
}

/* Grid pattern overlay */
.hero-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(99, 179, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 179, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  animation: fadeInUp 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cyan);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.hero h1 {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 520px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-family: inherit;
  position: relative;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #000;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glow);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(245, 158, 11, 0.05);
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.08);
}

/* ===== CALCULATOR ===== */
.calculator {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2.5rem;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-card);
  animation: fadeInUp 1s ease-out 0.3s both;
  position: relative;
  overflow: hidden;
}

.calculator::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--accent), var(--purple));
  opacity: 0.6;
}

.calculator h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calc-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  padding: 4px;
  border: 1px solid var(--border-glass);
}

.calc-tab {
  flex: 1;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-xs);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.calc-tab.active {
  background: var(--gradient-accent);
  color: #000;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.calc-group {
  margin-bottom: 1.2rem;
}

.calc-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.calc-input-wrap {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.calc-input-wrap:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.calc-input {
  flex: 1;
  padding: 1rem 1.2rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  font-family: inherit;
  outline: none;
}

.calc-currency {
  padding: 0.8rem 1.2rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  font-family: inherit;
  min-width: 80px;
  text-align: center;
}

.calc-rate {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.8rem 0;
}

.calc-rate strong {
  color: var(--green);
  font-weight: 700;
}

.calc-submit {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-accent);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  margin-top: 0.5rem;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.calc-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px var(--accent-glow);
}

/* ===== RATES TICKER ===== */
.rates-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 1.5rem 0;
  overflow: hidden;
  position: relative;
}

.rates-ticker {
  display: flex;
  gap: 3rem;
  animation: scroll-ticker 30s linear infinite;
  width: max-content;
}

@keyframes scroll-ticker {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.rate-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  white-space: nowrap;
  padding: 0.5rem 1.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  transition: var(--transition);
}

.rate-item:hover {
  border-color: var(--border-glow);
}

.rate-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
}

.rate-icon.btc {
  background: #f7931a;
  color: #fff;
}

.rate-icon.ltc {
  background: #345d9d;
  color: #fff;
}

.rate-icon.usdt {
  background: #26a17b;
  color: #fff;
}

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

.rate-price {
  font-weight: 800;
  color: var(--accent);
  font-size: 1.05rem;
}

.rate-change {
  font-size: 0.8rem;
  font-weight: 600;
}

.rate-change.up {
  color: var(--green);
}

.rate-change.down {
  color: var(--red);
}

/* ===== SECTIONS COMMON ===== */
.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  background: rgba(6, 182, 212, 0.08);
  color: var(--cyan);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  border: 1px solid rgba(6, 182, 212, 0.15);
}

.section-title {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

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

/* ===== HOW IT WORKS ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 60px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--accent), transparent);
  z-index: 0;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.step-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-cyan);
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 900;
  color: #000;
  margin: 0 auto 1.5rem;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.step-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

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

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

.advantages-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.04), transparent 70%);
  pointer-events: none;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.advantage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.advantage-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-cyan);
}

.advantage-card:hover::before {
  opacity: 1;
}

.advantage-icon {
  font-size: 2.5rem;
  margin-bottom: 1.2rem;
}

.advantage-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.advantage-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ===== OFFICES / CITIES ===== */
.offices-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.city-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 1.4rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.city-card::after {
  content: '→';
  position: absolute;
  right: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
  opacity: 0;
}

.city-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.city-card:hover::after {
  opacity: 1;
  right: 0.8rem;
  color: var(--accent);
}

.city-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.city-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.city-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

/* ===== TRUST / ABOUT ===== */
.trust-section {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

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

.trust-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.trust-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-aurora);
  opacity: 0;
  transition: var(--transition-slow);
}

.trust-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.trust-card:hover::before {
  opacity: 1;
}

.trust-number {
  font-size: 3.2rem;
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  position: relative;
}

.trust-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  position: relative;
}

.trust-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  position: relative;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(6, 182, 212, 0.25);
}

.faq-question {
  padding: 1.3rem 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.02rem;
  transition: var(--transition);
  background: none;
  border: none;
  color: var(--text-primary);
  width: 100%;
  text-align: left;
  font-family: inherit;
}

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

.faq-icon {
  font-size: 1.5rem;
  transition: var(--transition);
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 1.8rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.92rem;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: var(--gradient-hero);
  text-align: center;
  padding: 5rem 2rem;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.06), rgba(245, 158, 11, 0.04), transparent 60%);
}

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

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* ===== FOOTER ===== */
.footer {
  background: #040610;
  border-top: 1px solid var(--border-glass);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 1rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1.2rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contacts li {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
  list-style: none;
}

.footer-contacts a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.78rem;
  transition: var(--transition);
}

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

.messengers {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
}

.messenger-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.1rem;
  transition: var(--transition);
}

.messenger-link:hover {
  background: var(--accent);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.85);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {

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

  50% {
    transform: translateY(-12px);
  }
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(255, 167, 38, 0.15);
  }

  50% {
    box-shadow: 0 0 40px rgba(255, 167, 38, 0.35), 0 0 80px rgba(255, 167, 38, 0.1);
  }
}

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

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

@keyframes borderGlow {

  0%,
  100% {
    border-color: var(--border-glass);
  }

  50% {
    border-color: rgba(255, 167, 38, 0.4);
  }
}

@keyframes countUp {
  from {
    opacity: 0;
    transform: scale(0.5);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Reveal system */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1), transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

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

/* Staggered reveals for grids */
.reveal.visible:nth-child(1) {
  transition-delay: 0s;
}

.reveal.visible:nth-child(2) {
  transition-delay: 0.1s;
}

.reveal.visible:nth-child(3) {
  transition-delay: 0.2s;
}

.reveal.visible:nth-child(4) {
  transition-delay: 0.3s;
}

.reveal.visible:nth-child(5) {
  transition-delay: 0.4s;
}

.reveal.visible:nth-child(6) {
  transition-delay: 0.5s;
}

.reveal.visible:nth-child(7) {
  transition-delay: 0.6s;
}

/* Floating animation for icons */
.advantage-icon {
  animation: float 4s ease-in-out infinite;
}

.advantage-card:nth-child(2) .advantage-icon {
  animation-delay: 0.5s;
}

.advantage-card:nth-child(3) .advantage-icon {
  animation-delay: 1s;
}

.advantage-card:nth-child(4) .advantage-icon {
  animation-delay: 1.5s;
}

.advantage-card:nth-child(5) .advantage-icon {
  animation-delay: 2s;
}

.advantage-card:nth-child(6) .advantage-icon {
  animation-delay: 2.5s;
}

.advantage-card:nth-child(7) .advantage-icon {
  animation-delay: 3s;
}

/* Shimmer text for hero title */
.hero h1 span {
  background: linear-gradient(90deg, #f59e0b, #ff6b00, #fbbf24, #f59e0b);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* Pulse glow for calculator */
.calculator {
  animation: pulse-glow 4s ease-in-out infinite;
}

/* Card 3D tilt on hover */
.advantage-card:hover,
.office-card:hover {
  transform: translateY(-8px) rotateX(2deg);
  box-shadow: 0 20px 60px rgba(255, 167, 38, 0.12);
}

/* Button shine effect */
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.btn-primary:hover::after {
  left: 100%;
}

/* Hero text animation */
.hero-text {
  animation: fadeInLeft 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}

.calculator {
  animation: fadeInRight 1.2s cubic-bezier(0.23, 1, 0.32, 1), pulse-glow 4s ease-in-out infinite 1.2s;
}

/* Section header animation */
.section-header {
  text-align: center;
}

.section-tag {
  animation: fadeInUp 0.8s ease-out;
}

/* Border glow on step cards */
.step-card {
  animation: borderGlow 5s ease-in-out infinite;
}

.step-card:nth-child(2) {
  animation-delay: 1.5s;
}

.step-card:nth-child(3) {
  animation-delay: 3s;
}

/* Floating badge in hero */
.hero-badge {
  animation: fadeInUp 0.8s ease-out, float 6s ease-in-out 1s infinite;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Parallax hint for sections */
.trust-section,
.offices-section {
  background-attachment: fixed;
}

/* Rate cards hover */
.rate-item:hover {
  transform: scale(1.05);
  transition: transform 0.3s ease;
}

/* ===== CITY PAGE SPECIFIC ===== */
.city-hero {
  padding: 8rem 2rem 4rem;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.city-hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.06), transparent 70%);
  filter: blur(40px);
  animation: aurora-float 10s ease-in-out infinite;
}

.city-hero h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1rem;
  position: relative;
}

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

.city-hero .subtitle {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 2rem;
  position: relative;
}

.city-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.city-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.city-detail-card:hover {
  border-color: var(--border-glow);
}

.city-detail-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--accent);
}

.city-detail-card p,
.city-detail-card li {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.8;
}

.city-detail-card ul {
  list-style: none;
  padding: 0;
}

.city-detail-card li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-glass);
}

.city-detail-card li:last-child {
  border: none;
}

.city-map {
  width: 100%;
  height: 350px;
  border-radius: var(--radius);
  border: 1px solid var(--border-glass);
  margin-top: 1rem;
}

.breadcrumb {
  padding: 1rem 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  position: relative;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

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

.breadcrumb span {
  margin: 0 0.5rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1280px) {
  .offices-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

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

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

  .offices-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .header-phone {
    display: none;
  }

  .burger {
    display: flex;
  }

  .hero {
    padding: 7rem 1.5rem 3rem;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.2rem;
    letter-spacing: -1px;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  section {
    padding: 4rem 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .steps-grid::before {
    display: none;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .city-info-grid {
    grid-template-columns: 1fr;
  }

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

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

  .btn {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .calculator {
    padding: 1.5rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .container {
    padding: 0 1rem;
  }

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

/* ===== PREMIUM ANIMATIONS 2026 ===== */

/* --- Animated gradient border on cards --- */
@keyframes gradientBorder {
  0% {
    border-color: rgba(245, 158, 11, 0.3);
  }

  25% {
    border-color: rgba(6, 182, 212, 0.3);
  }

  50% {
    border-color: rgba(139, 92, 246, 0.3);
  }

  75% {
    border-color: rgba(236, 72, 153, 0.3);
  }

  100% {
    border-color: rgba(245, 158, 11, 0.3);
  }
}

.advantage-card:hover,
.step-card:hover,
.trust-card:hover,
.city-card:hover {
  animation: gradientBorder 3s linear infinite;
}

/* --- Glow pulse on hero buttons --- */
@keyframes btnPulse {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.2), 0 4px 15px rgba(0, 0, 0, 0.3);
  }

  50% {
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.4), 0 0 80px rgba(245, 158, 11, 0.15), 0 4px 15px rgba(0, 0, 0, 0.3);
  }
}

.btn-primary {
  animation: btnPulse 2.5s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

/* --- Card perspective 3D tilt --- */
.advantage-card,
.step-card,
.trust-card,
.city-card {
  transform-style: preserve-3d;
  perspective: 1000px;
  will-change: transform;
}

/* --- Smooth scale-in for images --- */
img[loading="lazy"] {
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible img[loading="lazy"] {
  animation: scaleIn 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

/* --- Glowing text accent on section titles --- */
.section-title {
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.03);
}

/* --- Shimmer loading effect on rate prices --- */
.rate-price {
  position: relative;
  overflow: hidden;
}

.rate-price::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  animation: shimmer 3s ease-in-out infinite;
}

/* --- FAQ smooth expand with bounce --- */
.faq-item.active .faq-answer {
  max-height: 500px;
  transition: max-height 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

/* --- Hero parallax depth layers --- */
.hero-bg-image {
  transition: transform 0.1s linear;
  will-change: transform;
}

/* --- Animated gradient background on hero --- */
@keyframes heroGradient {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.hero {
  background-size: 200% 200%;
  animation: heroGradient 15s ease infinite;
}

/* --- Particle canvas overlay --- */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* --- Floating CTA for mobile --- */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
  padding: 0.8rem 1rem;
  background: rgba(6, 8, 15, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-glass);
  gap: 0.6rem;
}

.mobile-cta .btn {
  flex: 1;
  text-align: center;
  justify-content: center;
  padding: 0.9rem 1rem;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

/* --- Scroll progress bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 10000;
  width: 0%;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

/* --- Smooth image hover zoom --- */
.city-card img,
.advantage-card img,
.city-detail-card img {
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.city-card:hover img,
.advantage-card:hover img {
  transform: scale(1.05);
}

/* --- Glassy tooltip on hover --- */
.hero-badge {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-badge:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.15);
}

/* --- Calculator input focus glow --- */
.calc-input:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.3), 0 0 20px rgba(245, 158, 11, 0.1);
}

.calc-input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.08);
}

/* --- Step number glow --- */
.step-number {
  position: relative;
}

.step-number::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--gradient-accent);
  opacity: 0;
  z-index: -1;
  filter: blur(8px);
  transition: opacity 0.4s ease;
}

.step-card:hover .step-number::after {
  opacity: 0.4;
}

/* ===== ENHANCED MOBILE UX ===== */

@media (max-width: 768px) {

  /* Show floating CTA */
  .mobile-cta {
    display: flex;
  }

  /* Extra bottom padding for floating CTA */
  .footer {
    padding-bottom: 5rem;
  }

  /* Better touch targets */
  .city-card {
    padding: 1.2rem;
    min-height: 64px;
  }

  .faq-question {
    padding: 1.2rem 1rem;
    min-height: 56px;
  }

  .footer-links a,
  .footer-legal a {
    padding: 0.4rem 0;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  /* Smooth mobile menu animation */
  .mobile-menu {
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
    display: flex;
  }

  .mobile-menu.active {
    transform: translateX(0);
  }

  /* Better calculator on small screens */
  .calc-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .calc-tab {
    font-size: 0.85rem;
    padding: 0.7rem;
  }

  /* Better spacing for content */
  .hero-badge {
    font-size: 0.72rem;
    padding: 0.4rem 0.8rem;
  }

  /* Disable heavy animations on mobile for performance */
  .advantage-icon {
    animation: none;
  }

  .step-card {
    animation: none;
  }

  .calculator {
    animation: fadeInUp 1s ease-out !important;
  }

  #particles-canvas {
    display: none;
  }

  /* Better image grid on mobile */
  div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .mobile-cta .btn {
    font-size: 0.82rem;
    padding: 0.75rem 0.6rem;
  }

  .trust-number {
    font-size: 2.5rem;
  }

  .cta-section h2 {
    font-size: 1.8rem;
  }

  .faq-question {
    font-size: 0.92rem;
  }
}

/* --- Reduce motion for accessibility --- */
@media (prefers-reduced-motion: reduce) {

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

  .hero {
    animation: none;
  }

  #particles-canvas {
    display: none;
  }
}