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

html { scroll-behavior: smooth; }

body {
  background: #050505;
  color: #fff;
  font-family: Inter, Arial, sans-serif;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.topbar {
  background: #050505;
  border-bottom: 1px solid rgba(255,255,255,.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-wrap {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  width: 190px;
  max-height: 70px;
  object-fit: contain;
}

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

.nav a {
  color: #ddd;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.nav-ghost {
  border: 1px solid rgba(255,255,255,.18);
  padding: 10px 14px;
  border-radius: 999px;
}

.menu-btn {
  display: none;
}

.hero {
  padding: 90px 0;
  background:
    radial-gradient(circle at 18% 25%, rgba(255,0,0,.20), transparent 35%),
    radial-gradient(circle at 90% 20%, rgba(255,255,255,.08), transparent 30%),
    #050505;
}

.hero-grid,
.form-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow,
.card-kicker,
.mini-topline,
.demo-card span,
.step-card span {
  color: #ff2b2b;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 800;
  font-size: 13px;
}

h1 {
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: clamp(42px, 6vw, 74px);
  line-height: .95;
  margin: 18px 0 24px;
}

h2 {
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1;
  margin: 14px 0 18px;
}

h3 {
  font-size: 22px;
  margin: 8px 0 12px;
}

.hero-text,
.section-head p,
.info-card p,
.demo-card p,
.step-card p {
  color: #bdbdbd;
  font-size: 17px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin: 34px 0;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  display: inline-block;
  border: none;
  cursor: pointer;
  font-size: 15px;
}

.btn-primary {
  background: #ff1f1f;
  color: #fff;
  box-shadow: 0 0 30px rgba(255,0,0,.25);
}

.btn-secondary {
  color: #fff;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.04);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 14px;
}

.hero-stat,
.hero-side-card,
.info-card,
.demo-card,
.step-card,
.lead-form,
.contact-box {
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 22px;
}

.hero-stat {
  padding: 16px;
}

.hero-stat strong {
  display: block;
  font-size: 25px;
}

.hero-stat span {
  color: #aaa;
  font-size: 13px;
}

.hero-side-card {
  padding: 28px;
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
}

.mini-system-list {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.mini-system {
  background: #0b0b0b;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 20px;
}

.mini-system p {
  color: #aaa;
  line-height: 1.6;
}

.section {
  padding: 95px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-head.center {
  text-align: center;
  margin: 0 auto 36px;
}

.cards-grid,
.demo-grid,
.steps-grid {
  display: grid;
  gap: 22px;
}

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

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

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

.info-card,
.demo-card,
.step-card {
  padding: 28px;
  transition: .25s ease;
}

.info-card:hover,
.demo-card:hover,
.step-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,43,43,.45);
}

.info-card.featured {
  border-color: rgba(255,43,43,.5);
  box-shadow: 0 0 45px rgba(255,0,0,.12);
}

.info-card ul {
  margin-top: 18px;
  padding-left: 18px;
}

.info-card li {
  color: #bdbdbd;
  margin-bottom: 9px;
}

.demos-section {
  background:
    radial-gradient(circle at 50% 10%, rgba(255,0,0,.13), transparent 30%),
    #080808;
}

.demo-card a {
  display: inline-block;
  margin-top: 18px;
  color: #fff;
  background: #ff1f1f;
  text-decoration: none;
  font-weight: 800;
  padding: 12px 16px;
  border-radius: 999px;
}

.demo-card.wide {
  grid-column: 1 / -1;
}

.step-card span {
  display: inline-block;
  margin-bottom: 14px;
}

.form-section {
  background: #080808;
}

.contact-box {
  padding: 22px;
  margin: 26px 0;
}

.contact-box p {
  color: #ddd;
  margin-bottom: 8px;
}

.back-btn {
  margin-top: 8px;
}

.lead-form {
  padding: 30px;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  padding: 14px;
  margin-bottom: 13px;
  background: #0b0b0b;
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  border-radius: 10px;
  font-family: Inter, Arial, sans-serif;
}

.lead-form textarea {
  min-height: 120px;
  resize: vertical;
}

.lead-form button {
  width: 100%;
}

.form-note {
  text-align: center;
  color: #777;
  font-size: 13px;
  margin-top: 12px;
}

.success-message {
  text-align: center;
  color: #ff2b2b;
  font-weight: 800;
  margin-top: 12px;
}

.final-cta {
  padding: 90px 0;
  text-align: center;
  background:
    radial-gradient(circle at center, rgba(255,0,0,.16), transparent 35%),
    #050505;
}

.final-cta h2 {
  max-width: 850px;
  margin: 0 auto 20px;
}

.center-actions {
  justify-content: center;
}

.footer {
  background: #030303;
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 30px 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #888;
}

.footer-logo {
  width: 145px;
  object-fit: contain;
}

@media (max-width: 900px) {
  .menu-btn {
    display: block;
    background: none;
    color: #fff;
    border: none;
    font-size: 28px;
  }

  .nav {
    display: none;
    position: absolute;
    top: 86px;
    right: 4%;
    background: #080808;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 18px;
    padding: 18px;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav.open {
    display: flex;
  }

  .hero-grid,
  .form-grid,
  .cards-grid,
  .demo-grid,
  .steps-grid,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .demo-card.wide {
    grid-column: auto;
  }

  .brand-logo {
    width: 160px;
  }

  .footer-wrap {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}