:root {
  --bg: #050b14;
  --panel: #0a1422;
  --panel-2: #111d31;
  --text: #f5f8ff;
  --muted: #9fb2cb;
  --accent: #55e0bb;
  --accent-2: #5ea1ff;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 25px 60px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(94, 161, 255, 0.16), transparent 22%),
    linear-gradient(135deg, var(--bg), #0b1830 60%, #13243c);
  color: var(--text);
  line-height: 1.6;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(5, 11, 20, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04111d;
}

.topnav {
  display: flex;
  gap: 1.25rem;
  color: var(--muted);
}

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

.hero {
  padding: 3rem 2rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.hero-slider {
  display: grid;
  gap: 1.25rem;
}

.slide {
  display: none;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 1.5rem;
  padding: 2.2rem;
  border: 1px solid var(--border);
  border-radius: 1.85rem;
  background: linear-gradient(135deg, rgba(20, 37, 62, 0.95), rgba(7, 17, 31, 0.95));
  box-shadow: var(--shadow);
}

.slide.active {
  display: grid;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.65rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.lead,
.card p,
.steps-grid p,
.guarantee-box li,
.cta-card p {
  color: var(--muted);
  font-size: 1rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #031118;
}

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

.hero-panel {
  padding: 1.4rem;
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--border);
}

.hero-panel h3 {
  margin-top: 0;
}

.hero-panel ol {
  padding-left: 1.1rem;
  color: var(--muted);
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1rem;
}

.dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
}

.dot.active {
  background: var(--accent);
}

.section {
  padding: 2rem 2rem 0;
  max-width: 1280px;
  margin: 0 auto;
}

.section-heading {
  margin-bottom: 1.25rem;
}

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

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

.card,
.steps-grid article,
.guarantee-box,
.cta-card,
.contact-form,
.certificate-card {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.025));
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}

.certificate-card {
  padding: 1.3rem;
  border-color: rgba(85, 224, 187, 0.25);
  background: linear-gradient(135deg, rgba(85, 224, 187, 0.1), rgba(94, 161, 255, 0.08));
}

.certificate-card h3 {
  margin-top: 0;
  color: var(--text);
}

.certificate-card p {
  margin-bottom: 0;
}

.certificate-badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(85, 224, 187, 0.16);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.steps-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.steps-grid span {
  display: inline-flex;
  margin-bottom: 0.75rem;
  font-weight: 800;
  color: var(--accent);
}

.guarantee-box ul {
  padding-left: 1rem;
  display: grid;
  gap: 0.7rem;
}

.cta-card {
  text-align: center;
  margin-bottom: 2rem;
}

.metrics-section {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1.2rem;
}

.metric-card {
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  text-align: center;
}

.metric-card strong {
  display: block;
  font-size: 1.45rem;
  color: var(--accent);
}

.metric-card span {
  color: var(--muted);
  font-size: 0.95rem;
}

.authority-block {
  padding-top: 1.4rem;
}

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

.authority-card {
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
}

.authority-card h3 {
  margin-top: 0;
  color: var(--accent);
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #7790aa;
}

.contact-form button {
  width: fit-content;
}

.contact-message {
  margin-top: 0.75rem;
  color: #c0ffc8;
  font-size: 0.95rem;
  min-height: 1.25rem;
}

.contact-message.error {
  color: #ff8a8a;
}

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  padding-top: 1.2rem;
}

.trust-pill {
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-weight: 600;
}

.price-card .price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.price-card.featured {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(81, 211, 183, 0.25);
}

.footer {
  padding: 1rem 2rem 2rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 940px) {
  .slide,
  .cards-grid,
  .steps-grid,
  .contact-section,
  .metrics-section,
  .authority-grid,
  .certificates-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 1rem;
    flex-direction: column;
    gap: 0.75rem;
  }

  .topnav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero,
  .section {
    padding: 1rem 1rem 0;
  }

  .slide {
    padding: 1.2rem;
  }
}