* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #020817;
  --bg-2: #030b1f;
  --card: #071426;
  --card-2: #0b1b33;
  --blue: #00aaff;
  --blue-2: #0066ff;
  --cyan: #55e7ff;
  --text: #ffffff;
  --muted: #9ca3af;
  --border: rgba(255,255,255,0.1);
  --shadow: 0 30px 80px rgba(0, 170, 255, 0.18);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: min(1160px, 90%);
  margin: auto;
}

.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 99;
  background: rgba(2, 8, 23, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 22px;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo span {
  color: var(--blue);
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  border-radius: 12px;
  color: white !important;
  display: grid;
  place-items: center;
  box-shadow: 0 0 30px rgba(0,170,255,.5);
}

.nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.nav a {
  color: #dbeafe;
}

.btn-header {
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  padding: 14px 22px;
  border-radius: 12px;
  color: #fff !important;
}

.menu-btn {
  display: none;
  border: none;
  background: none;
  color: white;
  font-size: 30px;
}

.hero {
  min-height: 100vh;
  padding-top: 130px;
  background:
    radial-gradient(circle at 80% 20%, rgba(0, 102, 255, .25), transparent 35%),
    radial-gradient(circle at 20% 40%, rgba(0, 170, 255, .18), transparent 30%),
    linear-gradient(135deg, #020817, #030b1f);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.tag {
  display: inline-block;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 800;
  font-size: 13px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(44px, 7vw, 76px);
  line-height: .95;
  letter-spacing: -3px;
  margin-bottom: 24px;
}

.hero h1::first-line {
  color: white;
}

.hero p {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.7;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  padding: 18px 26px;
  border-radius: 14px;
  font-weight: 800;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 15px 40px rgba(0, 102, 255, .35);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: #dbeafe;
}

.hero-card {
  perspective: 1000px;
}

.dashboard {
  background: linear-gradient(145deg, #071426, #020817);
  border: 1px solid rgba(0,170,255,.25);
  border-radius: 28px;
  padding: 28px;
  min-height: 430px;
  box-shadow: var(--shadow);
  transform: rotateY(-8deg) rotateX(4deg);
}

.dash-top {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.dash-top span {
  width: 12px;
  height: 12px;
  background: var(--blue);
  border-radius: 50%;
}

.dashboard h3 {
  margin-bottom: 20px;
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.stats div,
.list p,
.price-rule,
.mini-grid div {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
}

.stats small,
.price-rule small,
.mini-grid small {
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}

.stats strong {
  color: var(--cyan);
}

.chart {
  height: 150px;
  margin: 24px 0;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(0,170,255,.3), transparent),
    repeating-linear-gradient(90deg, transparent 0 20px, rgba(255,255,255,.04) 21px);
  position: relative;
  overflow: hidden;
}

.chart::after {
  content: "";
  position: absolute;
  inset: 40px 20px;
  border-bottom: 4px solid var(--blue);
  border-radius: 50%;
  transform: rotate(-5deg);
}

.list {
  display: grid;
  gap: 12px;
}

.list p {
  display: flex;
  justify-content: space-between;
}

.section {
  padding: 110px 0;
}

.dark {
  background: var(--bg);
}

.light {
  background: linear-gradient(180deg, #f8fbff, #eef6ff);
  color: #020817;
}

.section-title {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.section-title span {
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 4px;
  font-weight: 900;
  font-size: 14px;
}

.section-title h2 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.1;
  margin: 16px 0;
  letter-spacing: -2px;
}

.section-title p {
  color: var(--muted);
  font-size: 18px;
}

.dark-title p {
  color: #475569;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: linear-gradient(145deg, var(--card), #050d1d);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 30px;
  min-height: 210px;
  transition: .3s;
}

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(0,170,255,.45);
  box-shadow: var(--shadow);
}

.icon {
  width: 48px;
  height: 48px;
  background: rgba(0,170,255,.12);
  color: var(--blue);
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  color: var(--muted);
  line-height: 1.6;
}

.rules {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}

.rule-box {
  background: white;
  border-radius: 28px;
  padding: 36px;
  box-shadow: 0 25px 70px rgba(0, 70, 160, .12);
  border: 1px solid rgba(0,102,255,.12);
}

.rule-box span {
  text-transform: uppercase;
  color: #64748b;
  letter-spacing: 4px;
  font-weight: 900;
  font-size: 13px;
}

.rule-box h3 {
  font-size: 26px;
  margin: 12px 0;
}

.rule-box h3 {
  color: var(--blue-2);
}

.rule-box p {
  color: #475569;
  line-height: 1.7;
}

.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 34px;
}

.price-rule {
  margin-top: 16px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.step {
  background: linear-gradient(145deg, var(--card), #040a18);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 36px;
}

.step b {
  color: var(--blue);
}

.step h3 {
  font-size: 26px;
  margin: 18px 0 10px;
}

.step p {
  color: var(--muted);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: center;
}

.about h2 {
  font-size: 46px;
  margin-bottom: 32px;
}

.about ul {
  display: grid;
  gap: 22px;
  list-style: none;
}

.about li {
  font-size: 18px;
  font-weight: 600;
  color: #e5e7eb;
}

.about li::before {
  content: "✓";
  color: var(--blue);
  margin-right: 12px;
}

.award {
  background:
    radial-gradient(circle, rgba(0,170,255,.35), transparent 60%),
    linear-gradient(145deg, #071426, #020817);
  border: 1px solid rgba(0,170,255,.35);
  box-shadow: var(--shadow);
  border-radius: 30px;
  min-height: 420px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 30px;
}

.award strong {
  font-size: 54px;
  color: var(--cyan);
}

.price-box {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 60px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 50px;
  background: #040a18;
}

.price-box h2 {
  font-size: 46px;
  margin-bottom: 18px;
}

.price-box p {
  color: var(--muted);
  font-size: 18px;
}

.benefits {
  margin-top: 30px;
  display: grid;
  gap: 14px;
}

.price-card {
  background: linear-gradient(145deg, #071426, #020817);
  border: 1px solid rgba(0,170,255,.25);
  border-radius: 28px;
  padding: 36px;
  text-align: center;
  box-shadow: var(--shadow);
}

.price-card h3 {
  font-size: 28px;
  margin-bottom: 18px;
}

.price-card strong {
  display: block;
  font-size: 68px;
  color: var(--blue);
  margin: 12px 0;
}

.price-card span {
  display: block;
  margin-bottom: 28px;
  font-weight: 800;
}

.price-card small {
  display: block;
  margin-top: 20px;
  color: var(--muted);
}

.api-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.api-content h2 {
  font-size: 46px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.api-content p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

pre {
  background: #050b18;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 30px;
  color: #cbd5e1;
  overflow-x: auto;
  box-shadow: var(--shadow);
}

.faq-container {
  max-width: 760px;
}

.faq {
  display: grid;
  gap: 14px;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: var(--card);
  color: white;
  padding: 22px;
  border-radius: 16px;
  border: 1px solid var(--border);
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
}

.faq-answer {
  display: none;
  background: #050b18;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  color: var(--muted);
}

.faq-answer.active {
  display: block;
}

.footer {
  padding: 30px 0;
  background: #01050f;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}

.footer a {
  color: var(--blue);
  font-weight: 800;
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  background: #25d366;
  color: white;
  padding: 16px 22px;
  border-radius: 999px;
  font-weight: 900;
  z-index: 100;
  box-shadow: 0 15px 40px rgba(37,211,102,.35);
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    top: 78px;
    right: -100%;
    width: 80%;
    height: calc(100vh - 78px);
    background: #020817;
    flex-direction: column;
    align-items: flex-start;
    padding: 40px;
    transition: .3s;
  }

  .nav.active {
    right: 0;
  }

  .menu-btn {
    display: block;
  }

  .hero-content,
  .rules,
  .about-content,
  .price-box,
  .api-content {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 120px;
  }

  .dashboard {
    transform: none;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .price-box {
    padding: 28px;
  }

  .footer-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 46px;
  }

  .section {
    padding: 80px 0;
  }

  .stats,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  .price-card strong {
    font-size: 52px;
  }

  .whatsapp-float {
    right: 14px;
    bottom: 14px;
    padding: 14px 18px;
  }
}