:root {
  --bg: #05070b;
  --bg-soft: #0b0f16;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --text: #f5f7fb;
  --muted: #a7b1c2;
  --muted-2: #7e8899;
  --primary: #73a7ff;
  --primary-2: #3d7cff;
  --success: #37d67a;
  --danger: #ff6b6b;
  --shadow: 0 16px 60px rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --container: 1200px;
  --header-h: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top center, rgba(61,124,255,0.20), transparent 34%),
    radial-gradient(circle at left 20% bottom 10%, rgba(115,167,255,0.14), transparent 30%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

::selection {
  background: rgba(115, 167, 255, 0.35);
  color: var(--text);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 999;
  background: var(--text);
  color: #000;
  padding: 0.75rem 1rem;
  border-radius: 999px;
}
.skip-link:focus { left: 1rem; }

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  backdrop-filter: blur(18px);
  background: rgba(5, 7, 11, 0.74);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 100%;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.1rem;
  white-space: nowrap;
}
.brand span { color: var(--primary); }

.desktop-nav,
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.desktop-nav a,
.lang-switch a,
.mobile-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.2s ease, opacity 0.2s ease;
}
.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.lang-switch a:hover,
.mobile-nav a:hover { color: var(--text); }

.lang-switch {
  display: inline-flex;
  gap: 0.45rem;
  padding: 0.35rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
}
.lang-switch a {
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
}
.lang-switch a.is-active {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover,
button.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(180deg, #ffffff, #dfe7ff);
  color: #05070b;
  box-shadow: 0 10px 30px rgba(255,255,255,0.1);
}
.btn-secondary {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: var(--border);
}
.btn-link {
  background: transparent;
  color: var(--text);
  padding-inline: 0;
  min-height: auto;
}

.mobile-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
}
.mobile-panel {
  display: none;
  border-top: 1px solid var(--border);
  background: rgba(5,7,11,0.96);
}
.mobile-panel.is-open { display: block; }
.mobile-nav {
  padding: 1rem 0 1.25rem;
  display: grid;
  gap: 0.9rem;
}
.mobile-nav .btn { width: 100%; }
.mobile-lang { margin-top: 0.8rem; }

.section {
  position: relative;
  padding: 5rem 0;
}
.section-muted {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-block: 1px solid rgba(255,255,255,0.05);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,0.03);
  font-size: 0.88rem;
}
.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 8px rgba(55,214,122,0.10);
}

.hero {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  place-items: center;
  padding: 4rem 0 3rem;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  align-items: center;
  gap: 2rem;
}
.hero-copy {
  max-width: 880px;
  text-align: center;
  margin-inline: auto;
}
.hero-title {
  margin: 1rem 0 1rem;
  font-size: clamp(2.6rem, 6vw, 5.5rem);
  line-height: 0.97;
  letter-spacing: -0.06em;
}
.hero-title .accent-text {
  background: linear-gradient(135deg, #ffffff 15%, #99baff 55%, #6f9dff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-text {
  max-width: 770px;
  margin: 0 auto 1.8rem;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.65;
}
.hero-actions {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-note {
  margin-top: 2.2rem;
  color: var(--muted-2);
  font-size: 0.95rem;
}
.platform-strip {
  margin-top: 2.2rem;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.platform-items {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}
.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.section-head.centered {
  align-items: center;
  text-align: center;
}
.section-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.05em;
  line-height: 1.04;
}
.section-intro {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
  line-height: 1.7;
}

.about-grid,
.contact-grid,
.cta-banner,
.footer-grid {
  display: grid;
  gap: 2rem;
}
.about-grid { grid-template-columns: 1.05fr 1fr; align-items: center; }
.about-visual {
  position: relative;
}
.visual-card {
  padding: 2rem;
  min-height: 470px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)),
    radial-gradient(circle at top left, rgba(115,167,255,0.18), transparent 30%),
    var(--bg-soft);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.code-window {
  position: absolute;
  inset: auto 1.5rem 1.5rem 1.5rem;
  padding: 1rem 1rem 0;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(3, 5, 8, 0.72);
  overflow: hidden;
}
.code-window header {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}
.code-window header span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
}
.code-lines {
  display: grid;
  gap: 0.75rem;
  padding-bottom: 1rem;
}
.code-lines span {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(115,167,255,0.60), rgba(255,255,255,0.18));
}
.code-lines span:nth-child(2) { width: 84%; }
.code-lines span:nth-child(3) { width: 68%; }
.code-lines span:nth-child(4) { width: 76%; }
.code-lines span:nth-child(5) { width: 56%; }
.visual-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(8,12,18,0.82);
}
.visual-badge strong { display: block; font-size: 0.95rem; }
.visual-badge small { color: var(--muted); }
.visual-floating {
  position: absolute;
  right: 1.25rem;
  top: 1.25rem;
}
.about-copy {
  display: grid;
  gap: 1rem;
}
.about-points {
  display: grid;
  gap: 0.95rem;
  margin-top: 1rem;
}
.point-item {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 0.8rem;
  align-items: start;
  color: var(--muted);
}
.point-item svg { color: var(--primary); }
.quote-box {
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--primary);
  background: rgba(255,255,255,0.02);
  border-radius: 0 14px 14px 0;
  color: #d9e3f7;
}

.grid-2,
.grid-3,
.grid-4 { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  padding: 1.35rem;
  box-shadow: 0 10px 35px rgba(0,0,0,0.14);
}
.card h3,
.card h4 {
  margin: 0 0 0.65rem;
  letter-spacing: -0.03em;
}
.card p { margin: 0; color: var(--muted); line-height: 1.7; }
.card .icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  margin-bottom: 1rem;
  background: rgba(115,167,255,0.12);
  color: var(--primary);
  border: 1px solid rgba(115,167,255,0.18);
}

.process-step {
  position: relative;
  padding-top: 0.6rem;
}
.process-number {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1;
  font-weight: 800;
  color: rgba(255,255,255,0.08);
  letter-spacing: -0.05em;
  margin-bottom: 0.8rem;
}
.process-step p { color: var(--muted); }

.plan-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
}
.plan-card.featured {
  border-color: rgba(115,167,255,0.45);
  box-shadow: 0 18px 50px rgba(61,124,255,0.14);
}
.plan-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(115,167,255,0.12);
  color: #c9dcff;
  border: 1px solid rgba(115,167,255,0.22);
  font-size: 0.86rem;
}
.plan-price {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.05em;
  margin: 0;
}
.plan-price small {
  display: block;
  font-size: 0.96rem;
  color: var(--muted);
  letter-spacing: normal;
  margin-top: 0.3rem;
}
.feature-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}
.feature-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 0.7rem;
}
.feature-list svg { color: var(--primary); }

.metrics-grid .metric-card {
  text-align: center;
}
.metric-value {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  margin-bottom: 0.45rem;
}
.metric-label { color: var(--muted); }

.review-card blockquote {
  margin: 0 0 1rem;
  color: #dde7fb;
  line-height: 1.7;
}
.review-meta {
  color: var(--muted);
  font-size: 0.96rem;
}
.stars {
  color: #ffd166;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}
.review-note {
  margin-top: 1rem;
  color: var(--muted-2);
  font-size: 0.95rem;
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 1rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 600;
}
.faq-answer {
  padding: 0 1.1rem 1rem;
  color: var(--muted);
  line-height: 1.7;
  display: none;
}
.faq-item.is-open .faq-answer { display: block; }
.faq-item.is-open .faq-question svg { transform: rotate(180deg); }
.faq-question svg { transition: transform 0.2s ease; }

.contact-shell {
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: rgba(4,7,12,0.82);
  box-shadow: var(--shadow);
}
.contact-grid { grid-template-columns: 1.4fr 0.9fr; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.form-field {
  display: grid;
  gap: 0.45rem;
}
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-size: 0.94rem;
  color: var(--muted);
}
.input,
.textarea,
.select {
  width: 100%;
  min-height: 52px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 0.95rem 1rem;
  outline: none;
}
.textarea {
  min-height: 150px;
  resize: vertical;
}
.input:focus,
.textarea:focus,
.select:focus {
  border-color: rgba(115,167,255,0.6);
  box-shadow: 0 0 0 3px rgba(115,167,255,0.12);
}
.contact-side {
  display: grid;
  gap: 1rem;
  align-content: start;
  padding-left: 1rem;
  border-left: 1px solid rgba(255,255,255,0.08);
}
.contact-channel {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1rem;
  background: rgba(255,255,255,0.03);
}
.contact-channel small {
  display: block;
  color: var(--muted-2);
  margin-bottom: 0.35rem;
}
.contact-channel a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
}
.form-status {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}
.form-status.is-success { color: #a4f1c6; }
.form-status.is-error { color: #ffb4b4; }

.cta-banner {
  grid-template-columns: 1.2fr auto;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(115,167,255,0.08), rgba(255,255,255,0.03));
  padding: 1.4rem;
}

.footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid {
  grid-template-columns: 1fr auto auto;
  align-items: center;
}
.footer-copy {
  color: var(--muted);
  font-size: 0.96rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
}
.footer-links a:hover { color: var(--text); }
.small-note {
  color: var(--muted-2);
  font-size: 0.88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hidden-visually {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1080px) {
  .desktop-nav,
  .header-actions .lang-switch,
  .header-actions .header-cta {
    display: none;
  }
  .mobile-toggle { display: inline-grid; place-items: center; }
}

@media (max-width: 920px) {
  .about-grid,
  .contact-grid,
  .cta-banner,
  .footer-grid,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .contact-side {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 1rem;
  }
  .about-visual { order: 2; }
  .about-copy { order: 1; }
}

@media (max-width: 720px) {
  .section { padding: 4rem 0; }
  .hero { min-height: auto; padding: 3rem 0 2rem; }
  .hero-copy { text-align: left; }
  .hero-text,
  .section-intro { margin-inline: 0; }
  .hero-actions,
  .platform-items { justify-content: flex-start; }
  .visual-card { min-height: 380px; }
  .visual-floating { position: static; margin-top: 1rem; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .btn,
  .faq-question svg { transition: none; }
}