:root {
  --bg: #f4f7fb;
  --bg-soft: #edf3fb;
  --text: #0f172a;
  --muted: #5b6475;
  --line: rgba(15, 23, 42, 0.08);
  --white: #ffffff;
  --primary: #2563eb;
  --primary-2: #1d4ed8;
  --accent: #7c3aed;
  --success: #0f766e;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
  --radius: 24px;
  --radius-sm: 16px;
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.5);
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(124, 58, 237, 0.08), transparent 22%),
    linear-gradient(180deg, #f8fbff 0%, #f2f6fb 100%);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
  position: relative;
}

.section-title {
  margin: 0 0 14px;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.1;
}

.section-lead {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary-2);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}

.liquid-nav-wrap {
  position: sticky;
  top: 18px;
  z-index: 1000;
  padding: 16px 0 0;
}

.liquid-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  border-radius: 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--glass-border);
  box-shadow: 0 14px 40px rgba(31, 41, 55, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-badge {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-weight: 800;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.22);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 1rem;
}

.brand-text span {
  font-size: 0.78rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: #1e293b;
  font-weight: 600;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.65);
}

.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn,
.btn-outline,
.btn-ghost {
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 16px;
  font-weight: 700;
  transition: 0.25s ease;
}

.btn {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.22);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.25);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.btn-outline:hover,
.btn-ghost:hover {
  transform: translateY(-2px);
  background: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.8);
  cursor: pointer;
}

.hero {
  padding-top: 54px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 5vw, 2.5rem);
  line-height: 1;
  margin: 0 0 18px;
  letter-spacing: -0.03em;
}

.hero-copy p {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 650px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-note span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.hero-visual {
  position: relative;
}

.glow-shape {
  position: absolute;
  inset: auto;
  z-index: 0;
  border-radius: 36px;
  filter: blur(0px);
}

.glow-shape.one {
  width: 240px;
  height: 240px;
  top: -24px;
  right: 24px;
  background: linear-gradient(135deg, rgba(147, 197, 253, 0.75), rgba(216, 180, 254, 0.75));
  transform: rotate(18deg);
}

.glow-shape.two {
  width: 180px;
  height: 180px;
  bottom: 16px;
  left: -18px;
  background: linear-gradient(135deg, rgba(191, 219, 254, 0.72), rgba(196, 181, 253, 0.72));
  transform: rotate(-18deg);
}

.device-card,
.image-placeholder,
.info-card,
.price-card,
.contact-card,
.register-card,
.side-card,
.feature-card {
  position: relative;
  border-radius: var(--radius);
}

.image-placeholder,
.info-card,
.price-card,
.contact-card,
.register-card,
.side-card,
.feature-card {
  z-index: 1;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.device-card {
  padding: 18px;
}

.device-card img {
  width: 100%;
  border-radius: 20px;
  object-fit: cover;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 80px;
}

.info-card,
.feature-card {
  padding: 22px;
}

.info-card strong,
.feature-card strong {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.info-card p,
.feature-card p {
  margin: 0;
  color: var(--muted);
}

.two-col {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 34px;
  align-items: center;
}

.image-placeholder {
  min-height: 460px;
  padding: 22px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.image-placeholder .placeholder-box {
  width: 100%;
  height: 100%;
  min-height: 416px;
  border-radius: 24px;
  border: 2px dashed rgba(37, 99, 235, 0.22);
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(124, 58, 237, 0.08)),
    rgba(255, 255, 255, 0.55);
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
}

.bullet-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.bullet {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.bullet strong {
  display: block;
  margin-bottom: 6px;
}

.bullet span {
  color: var(--muted);
  font-size: 0.96rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  font-size: 1.2rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(124, 58, 237, 0.12));
}

.pricing-wrap {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.price-card {
  padding: 24px;
}

.price-card.popular {
  transform: translateY(-8px);
  border: 1px solid rgba(37, 99, 235, 0.18);
}

.plan-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.plan-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(124, 58, 237, 0.14));
  font-size: 1.4rem;
}

.plan-badge {
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary-2);
  font-size: 0.8rem;
  font-weight: 700;
}

.price-card h3 {
  margin: 0 0 4px;
  font-size: 1.45rem;
}

.price-card .price {
  display: flex;
  align-items: end;
  gap: 8px;
  margin: 18px 0 8px;
}

.price-card .price strong {
  font-size: 2.4rem;
  line-height: 1;
}

.price-card .price span {
  color: var(--muted);
}

.price-card .small-price {
  color: var(--muted);
  margin-bottom: 18px;
}

.plan-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.plan-list li {
  color: #334155;
  padding-left: 24px;
  position: relative;
}

.plan-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--success);
  font-weight: 800;
}

.contact-grid,
.register-grid {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 26px;
  align-items: stretch;
}

.contact-card,
.register-card,
.side-card {
  padding: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field.full {
  grid-column: 1 / -1;
}

label {
  font-weight: 700;
  font-size: 0.95rem;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.92);
  padding: 14px 16px;
  border-radius: 16px;
  outline: none;
  transition: 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.form-note,
.muted {
  color: var(--muted);
  font-size: 0.95rem;
}

.side-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.4rem;
}

.side-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 12px;
}

.side-list li {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.side-photo {
  margin-top: 22px;
  border-radius: 22px;
  overflow: hidden;
  min-height: 240px;
  border: 2px dashed rgba(37, 99, 235, 0.2);
}

.footer {
  padding: 34px 0 48px;
}

.footer-box {
  border-radius: 28px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 24px;
}

.footer p,
.footer a,
.footer li {
  color: var(--muted);
}

.footer h4 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.footer-bottom {
  padding-top: 18px;
  margin-top: 22px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.center-hero {
  min-height: calc(100vh - 120px);
  display: grid;
  align-items: center;
}

.register-hero-title {
  font-size: clamp(2.1rem, 4vw, 3.8rem);
  line-height: 1.05;
  margin: 0 0 14px;
}

.register-steps {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.register-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 18px;
}

.step-no {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 800;
}

@media (max-width: 1080px) {
  .hero-grid,
  .two-col,
  .contact-grid,
  .register-grid,
  .footer-top,
  .features-grid,
  .pricing-wrap {
    grid-template-columns: 1fr;
  }

  .price-card.popular {
    transform: none;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav-links,
  .nav-actions {
    display: none;
  }

  .liquid-nav.open {
    flex-wrap: wrap;
  }

  .liquid-nav.open .nav-links,
  .liquid-nav.open .nav-actions {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links a,
  .nav-actions a {
    text-align: center;
  }

  .stats-row,
  .bullet-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 20px, var(--max));
  }

  .liquid-nav {
    padding: 12px;
    border-radius: 20px;
  }

  .hero {
    padding-top: 32px;
  }

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

  .btn,
  .btn-outline,
  .btn-ghost {
    width: 100%;
  }

  .device-card,
  .price-card,
  .contact-card,
  .register-card,
  .side-card,
  .feature-card,
  .info-card {
    border-radius: 22px;
  }
}