:root {
  --bg: #0A0A0C;
  --bg-alt: #111113;
  --surface: #161618;
  --surface-elevated: #1E1E21;
  --text-primary: #F0F0F2;
  --text-secondary: #9A9A9F;
  --text-tertiary: #6E6E73;
  --border: #2A2A2D;
  --primary: #0071E3;
  --primary-hover: #0060C0;
  --primary-soft: rgba(0, 113, 227, 0.12);
  --region-ru: linear-gradient(135deg, #FF3B30 0%, #FF6B6B 100%);
  --region-tr: linear-gradient(135deg, #FF6723 0%, #FF9A5C 100%);
  --region-us: linear-gradient(135deg, #0071E3 0%, #5AC8FA 100%);
  --region-in: linear-gradient(135deg, #FF9F0A 0%, #FFD60A 100%);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;

  --shadow-1: 0 1px 3px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-2: 0 4px 16px rgba(0, 0, 0, 0.3), 0 2px 6px rgba(0, 0, 0, 0.15);
  --shadow-3: 0 16px 48px rgba(0, 0, 0, 0.5), 0 4px 16px rgba(0, 0, 0, 0.3);

  --font-heading: 'Instrument Sans', -apple-system, system-ui, sans-serif;
  --font-body: 'Work Sans', -apple-system, system-ui, sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', Menlo, monospace;

  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 10% -10%, rgba(0, 113, 227, 0.12), transparent 35%),
    radial-gradient(circle at 100% 10%, rgba(255, 159, 10, 0.08), transparent 30%),
    var(--bg);
  line-height: 1.65;
}

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

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

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.section {
  padding: var(--space-9) 0 0;
}

.section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.eyebrow {
  display: inline-flex;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9bc6ff;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section-link {
  color: #8dc3ff;
  font-size: 14px;
}

.btn {
  border: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary {
  padding: 16px 32px;
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 113, 227, 0.28);
}

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

.btn-secondary {
  padding: 12px 20px;
  border: 1.5px solid var(--primary);
  color: #9bc6ff;
  background: transparent;
}

.btn-secondary:hover {
  background: var(--primary-soft);
}

.btn-ghost {
  padding: 14px 20px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: transparent;
  font-family: var(--font-body);
  font-weight: 400;
}

.btn-ghost:hover {
  border-color: #3a3a3f;
  color: var(--text-primary);
}

.btn-small { font-size: 14px; }
.btn-large { min-width: 220px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(10, 10, 12, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo-link {
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.main-nav a {
  position: relative;
  color: var(--text-secondary);
  font-size: 15px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .2s var(--ease);
}

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

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

.menu-toggle,
.mobile-nav { display: none; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-7);
  align-items: end;
}

.hero-content h1 {
  margin: 12px 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 13ch;
}

.hero-subtitle {
  margin: 0;
  color: var(--text-secondary);
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.hero-badges {
  padding: 28px;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
  box-shadow: var(--shadow-1);
}

.hero-badges h2 {
  margin: 0 0 var(--space-5);
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.region-badge {
  min-width: 132px;
  min-height: 180px;
  padding: 18px;
  border-radius: 64px;
  border: 2px solid transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.region-badge span {
  font-size: 35px;
  font-family: var(--font-heading);
}

.region-ru {
  color: #ff6f67;
  border-color: rgba(255, 59, 48, 0.52);
  background: rgba(255, 59, 48, 0.15);
}

.region-tr {
  color: #ff9457;
  border-color: rgba(255, 103, 35, 0.52);
  background: rgba(255, 103, 35, 0.14);
}

.region-us {
  color: #5ab5ff;
  border-color: rgba(0, 113, 227, 0.52);
  background: rgba(0, 113, 227, 0.15);
}

.region-in {
  color: #ffc14d;
  border-color: rgba(255, 159, 10, 0.52);
  background: rgba(255, 159, 10, 0.15);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.benefit-card {
  padding: 24px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}

.benefit-card svg {
  width: 28px;
  height: 28px;
  margin-bottom: var(--space-4);
  fill: none;
  stroke: #8dc3ff;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.benefit-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.1rem;
}

.benefit-card p {
  margin: var(--space-3) 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.product-card {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 28px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.region-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.product-card[data-region='ru'] .region-line { background: var(--region-ru); }
.product-card[data-region='tr'] .region-line { background: var(--region-tr); }
.product-card[data-region='us'] .region-line { background: var(--region-us); }
.product-card[data-region='in'] .region-line { background: var(--region-in); }

.product-region {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: 14px;
}

.product-card h3 {
  margin: var(--space-4) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: 1.45rem;
  line-height: 1.25;
}

.product-meta {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.product-price {
  margin: var(--space-5) 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 1.75rem);
  letter-spacing: -0.01em;
}

.buy-button {
  width: 100%;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.step-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 28px;
}

.step-index {
  display: inline-flex;
  font-family: var(--font-mono);
  color: #77bbff;
  margin-bottom: var(--space-3);
}

.step-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

.step-card p {
  margin: var(--space-3) 0 0;
  color: var(--text-secondary);
}

.trust .section-head {
  align-items: flex-end;
}

.review-stars {
  display: flex;
  gap: 8px;
}

.review-stars svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: #7ebdff;
  stroke-width: 1.4;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.metric-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 20px;
}

.metric-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.7vw, 2rem);
  letter-spacing: -0.02em;
}

.metric-card p {
  margin: var(--space-2) 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.reviews-grid {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.review-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-elevated);
}

.review-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.1rem;
}

.review-meta {
  margin: 6px 0 10px;
  color: var(--text-tertiary);
  font-size: 12px;
  font-family: var(--font-mono);
}

.review-card p {
  margin: 0;
  color: var(--text-secondary);
}

.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 20px 22px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .25s var(--ease);
  flex-shrink: 0;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s var(--ease);
}

.faq-answer p {
  margin: 0;
  min-height: 0;
  overflow: hidden;
  color: var(--text-secondary);
  padding: 0 22px;
}

.faq-item.active .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.active .faq-answer p {
  padding: 0 22px 18px;
}

.cta-banner .container {
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: clamp(32px, 4vw, 56px);
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0071E3 0%, #00A3FF 100%);
}

.cta-banner .container::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.2), transparent 40%);
  pointer-events: none;
}

.cta-banner h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.15;
}

.cta-banner p {
  margin: 14px auto 24px;
  max-width: 58ch;
  color: rgba(255, 255, 255, 0.9);
}

.cta-banner .btn-primary {
  background: #fff;
  color: #045cb7;
  box-shadow: none;
}

.site-footer {
  margin-top: var(--space-9);
  padding: var(--space-8) 0 var(--space-5);
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: var(--space-6);
}

.site-footer h3 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: 1rem;
}

.site-footer p,
.site-footer li {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.footer-bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-tertiary);
  font-size: 12px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
}

.modal.open {
  display: block;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.58);
  backdrop-filter: blur(2px);
}

.modal-dialog {
  position: relative;
  width: min(560px, 92%);
  margin: 8vh auto 0;
  border-radius: var(--radius-2xl);
  background: rgba(22, 22, 24, 0.98);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-3);
  padding: 32px;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.modal-close svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
}

.modal-dialog h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1.15;
}

.modal-product,
.modal-price {
  margin: 10px 0 0;
  color: var(--text-secondary);
}

.modal-price {
  font-family: var(--font-mono);
  color: var(--text-primary);
  font-size: 1.25rem;
}

.order-form {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.order-form label {
  display: grid;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

.order-form input,
.order-form select {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  color: var(--text-primary);
  min-height: 48px;
  padding: 0 14px;
  font-family: var(--font-body);
  font-size: 16px;
}

.order-form input:focus,
.order-form select:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
}

.order-form .btn-primary {
  width: 100%;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

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

@media (max-width: 1199px) {
  .hero-grid,
  .benefits-grid,
  .product-grid,
  .steps-grid,
  .metrics-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-badges {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .section {
    padding-top: 72px;
  }

  .main-nav,
  .header-wrap > .btn {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 0;
    padding: 4px;
  }

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

  .mobile-nav {
    display: grid;
    gap: 14px;
    padding: 0 4%;
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s var(--ease), padding .35s var(--ease);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .mobile-nav a {
    font-family: var(--font-heading);
    font-size: 1.25rem;
  }

  .site-header.menu-open .mobile-nav {
    max-height: 340px;
    padding: 10px 4% 24px;
  }

  .hero-grid,
  .benefits-grid,
  .product-grid,
  .steps-grid,
  .metrics-grid,
  .reviews-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .badge-list {
    justify-content: space-between;
  }

  .region-badge {
    min-width: calc(50% - 8px);
    min-height: 126px;
    border-radius: 40px;
    font-size: 25px;
  }

  .region-badge span {
    font-size: 28px;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: var(--space-5);
  }

  .modal-dialog {
    margin-top: 3vh;
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}