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

body {
  background: #050505;
  color: #ffffff;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.95);
  border-bottom: 1px solid #222;
  padding: 20px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  font-weight: 800;
}

.logo span,
.section span,
.hero h1 span {
  color: #ff7a00;
}

.nav a {
  margin-left: 22px;
  font-size: 14px;
  color: #ffffff;
}

.nav a:hover {
  color: #ff7a00;
}

.hero {
  min-height: 92vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #050505 10%, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.5));
}

.hero-inner {
  position: relative;
  z-index: 5;
  padding: 80px 8%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  width: 100%;
}

.badge {
  display: inline-block;
  color: #ff7a00;
  background: rgba(255, 122, 0, 0.12);
  border: 1px solid rgba(255, 122, 0, 0.4);
  padding: 8px 14px;
  border-radius: 30px;
  margin-bottom: 20px;
  font-size: 14px;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.05;
  max-width: 850px;
}

.hero-subtitle {
  color: #ddd;
  font-size: 18px;
  max-width: 680px;
  margin: 24px 0;
}

.btn {
  display: inline-block;
  background: #ff7a00;
  color: #000;
  font-weight: 800;
  padding: 15px 25px;
  border-radius: 10px;
  margin-right: 12px;
  border: 1px solid #ff7a00;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid #555;
}

.chat-preview {
  background: rgba(10, 10, 10, 0.88);
  border: 1px solid rgba(255, 122, 0, 0.35);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(255, 122, 0, 0.18);
}

.chat-header {
  padding: 18px;
  background: #ff7a00;
  color: #000;
  font-weight: 900;
}

.chat-body {
  padding: 24px;
}

.chat-body p {
  padding: 14px;
  border-radius: 14px;
  margin-bottom: 14px;
}

.bot {
  background: #171717;
}

.user {
  background: #ff7a00;
  color: #000;
  margin-left: 40px;
}

.stack {
  padding: 30px 8%;
  border-top: 1px solid #222;
  border-bottom: 1px solid #222;
  background: #080808;
  text-align: center;
}

.stack p {
  color: #aaa;
  margin-bottom: 16px;
}

.stack span {
  display: inline-block;
  margin: 8px;
  padding: 10px 16px;
  background: #111;
  border: 1px solid #222;
  border-radius: 30px;
  color: #ff7a00;
}

.section,
.product,
.contact,
.demo {
  padding: 90px 8%;
}

.section h2,
.product h2,
.contact h2,
.demo h2 {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 18px;
}

.section > p,
.contact p,
.demo p,
.product p {
  color: #bbb;
  max-width: 780px;
  margin-bottom: 35px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.card {
  background: #101010;
  border: 1px solid #222;
  border-radius: 20px;
  padding: 28px;
  transition: 0.3s;
  font-size: 28px;
}

.card h3 {
  color: #ff7a00;
  margin: 10px 0;
  font-size: 21px;
}

.card p {
  color: #bbb;
  font-size: 15px;
}

.card strong {
  display: block;
  margin-top: 15px;
  color: #fff;
  font-size: 15px;
}

.card:hover,
.step:hover {
  transform: translateY(-7px);
  border-color: #ff7a00;
  box-shadow: 0 0 25px rgba(255,122,0,.15);
}

.product {
  background: radial-gradient(circle at top right, rgba(255, 122, 0, 0.25), transparent 35%), #090909;
}

.product-content {
  background: linear-gradient(135deg, #111, #1b0d00);
  border: 1px solid rgba(255, 122, 0, 0.4);
  border-radius: 28px;
  padding: 45px;
  max-width: 950px;
}

.product ul {
  list-style: none;
  margin: 25px 0;
}

.product li {
  margin-bottom: 12px;
  color: #eee;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
}

.step {
  background: #101010;
  border: 1px solid #222;
  border-radius: 22px;
  padding: 30px;
  transition: 0.3s;
}

.step span {
  color: #ff7a00;
  font-size: 38px;
  font-weight: 900;
}

.step h3 {
  margin: 12px 0;
}

.step p {
  color: #bbb;
}

.demo {
  background: #0b0b0b;
  border-top: 1px solid #222;
  border-bottom: 1px solid #222;
  text-align: center;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 45px;
  align-items: start;
}

form {
  background: #101010;
  border: 1px solid #222;
  border-radius: 22px;
  padding: 28px;
}

input,
select,
textarea {
  width: 100%;
  background: #050505;
  color: #fff;
  border: 1px solid #333;
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 15px;
}

textarea {
  min-height: 120px;
}

button {
  width: 100%;
  background: #ff7a00;
  color: #000;
  font-weight: 900;
  border: none;
  padding: 16px;
  border-radius: 10px;
  cursor: pointer;
}

.whatsapp-float {
  position: fixed;
  right: 25px;
  bottom: 25px;
  background: #25d366;
  color: #fff;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 28px;
  z-index: 2000;
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.35);
}

footer {
  text-align: center;
  padding: 35px 8%;
  border-top: 1px solid #222;
  color: #888;
}

@media (max-width: 900px) {
  .header {
    flex-direction: column;
    gap: 15px;
  }

  .nav {
    text-align: center;
  }

  .nav a {
    display: inline-block;
    margin: 8px;
  }

  .hero-inner,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 42px;
  }

  .chat-preview {
    margin-top: 20px;
  }
}
```css
.page-hero {
  background: radial-gradient(circle at top right, rgba(255, 122, 0, 0.18), transparent 35%), #070707;
  border-bottom: 1px solid #222;
}

.page-hero h1 {
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.05;
  max-width: 900px;
}

.page-hero p {
  font-size: 18px;
  color: #ddd;
  max-width: 820px;
}

.faq {
  max-width: 900px;
}

.faq details {
  background: #101010;
  border: 1px solid #222;
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 14px;
}

.faq summary {
  cursor: pointer;
  color: #ff7a00;
  font-weight: 800;
}

.faq p {
  color: #bbb;
  margin-top: 12px;
}

.lead-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.system-card {
  background: #101010;
  border: 1px solid rgba(255, 122, 0, 0.45);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 0 30px rgba(255,122,0,.08);
}

.system-card h3 {
  color: #ff7a00;
  margin-bottom: 16px;
}

.system-card ul {
  list-style: none;
}

.system-card li {
  margin-bottom: 12px;
  color: #ddd;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 35px 8%;
  background: #080808;
  border-top: 1px solid #222;
  border-bottom: 1px solid #222;
}

.stats div {
  background: #101010;
  border: 1px solid #222;
  border-radius: 18px;
  padding: 22px;
  text-align: center;
}

.stats h3 {
  color: #ff7a00;
  font-size: 28px;
  margin-bottom: 6px;
}

.stats p {
  color: #bbb;
}

.flow {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.flow div {
  background: #101010;
  border: 1px solid #222;
  border-radius: 14px;
  padding: 16px 20px;
  color: #fff;
  font-weight: 700;
}

.flow span {
  color: #ff7a00;
  font-size: 28px;
}

.trust-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.trust-grid span {
  background: #101010;
  border: 1px solid #222;
  border-radius: 30px;
  padding: 12px 18px;
  color: #ff7a00;
  font-weight: 700;
}

.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  background: #101010;
  border: 1px solid #333;
  border-radius: 40px;
  padding: 10px 14px 10px 20px;
  display: flex;
  gap: 16px;
  align-items: center;
  z-index: 3000;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.45);
  opacity: 0.95;
}

.sticky-cta span {
  color: #ddd;
  font-size: 14px;
}

.sticky-cta a {
  background: #ff7a00;
  color: #000;
  padding: 9px 15px;
  border-radius: 30px;
  font-weight: 800;
}

@media (max-width: 900px) {
  .lead-hero,
  .stats {
    grid-template-columns: 1fr;
  }

  .sticky-cta {
    width: 90%;
    justify-content: space-between;
  }

  .sticky-cta span {
    font-size: 12px;
  }
}

.mini-list {
  margin-top: 25px;
}

.mini-list p {
  color: #bbb;
  margin-bottom: 12px;
}

.mini-list span {
  display: inline-block;
  background: #101010;
  border: 1px solid #222;
  color: #ff7a00;
  padding: 9px 13px;
  border-radius: 25px;
  margin: 5px;
  font-size: 14px;
  font-weight: 700;
}


.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.case-card {
  background: #101010;
  border: 1px solid #222;
  border-radius: 22px;
  padding: 28px;
  transition: 0.3s;
}

.case-card:hover {
  transform: translateY(-7px);
  border-color: #ff7a00;
  box-shadow: 0 0 25px rgba(255, 122, 0, 0.15);
}

.case-label {
  color: #ff7a00;
  font-weight: 800;
  margin-bottom: 12px;
}

.case-card h3 {
  font-size: 23px;
  margin-bottom: 15px;
}

.case-card p {
  color: #bbb;
  margin-bottom: 18px;
}

.case-card ul {
  list-style: none;
  margin-bottom: 20px;
}

.case-card li {
  color: #ddd;
  margin-bottom: 10px;
}

.case-link {
  color: #ff7a00;
  font-weight: 800;
}

.case-slider-wrap {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
}

.case-slider {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.slider-btn {
  background: #ff7a00;
  color: #000;
  border: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 26px;
  font-weight: 900;
  cursor: pointer;
}

@media (max-width: 1100px) {
  .case-slider {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .case-slider-wrap {
    grid-template-columns: 1fr;
  }

  .case-slider {
    grid-template-columns: 1fr;
  }

  .slider-btn {
    width: 100%;
    border-radius: 10px;
  }
}