:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #070a12;
  color: #f5f8ff;
  --cyan: #6fe7ff;
  --violet: #8b7cff;
  --muted: #aebbd2;
  --panel: rgba(17, 25, 42, .82);
  --border: rgba(148, 211, 255, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: radial-gradient(circle at 70% 0%, rgba(72, 126, 255, .12), transparent 34rem), #070a12; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px clamp(20px, 5vw, 76px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(7,10,18,.78);
  backdrop-filter: blur(20px);
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 850; }
.logo { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 12px; color: #06111c; background: linear-gradient(135deg, var(--cyan), var(--violet)); }
.nav nav { display: flex; gap: 24px; margin-left: auto; color: var(--muted); }
.login { padding: 10px 15px; border: 1px solid var(--border); border-radius: 999px; }

.hero {
  min-height: 780px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: clamp(36px, 7vw, 100px);
  padding: 96px clamp(20px, 7vw, 110px);
}

.eyebrow { color: var(--cyan); font-size: .76rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
h1 { max-width: 800px; margin: 14px 0 22px; font-size: clamp(3rem, 7vw, 6.4rem); line-height: .96; letter-spacing: -.055em; }
h2 { margin: 12px 0 18px; font-size: clamp(2rem, 4vw, 3.8rem); line-height: 1.05; letter-spacing: -.035em; }
.lead, .section-copy { max-width: 700px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.3rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.primary, .secondary, .price-card button, .custom-button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 13px 20px; border-radius: 14px; font-weight: 850; }
.primary, .price-card button { border: 0; color: #05101b; background: linear-gradient(135deg, var(--cyan), var(--violet)); }
.secondary, .custom-button { border: 1px solid var(--border); background: rgba(255,255,255,.035); }
.trust-row { display: flex; flex-wrap: wrap; gap: 17px; margin-top: 26px; color: #8e9cb6; font-size: .88rem; }

.command-panel {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--border);
  border-radius: 30px;
  background: linear-gradient(145deg, rgba(20,32,54,.92), rgba(8,14,25,.96));
  box-shadow: 0 40px 120px rgba(0,0,0,.45), 0 0 90px rgba(85,198,255,.08);
}

.command-panel:before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(111,231,255,.5), transparent 40%, rgba(139,124,255,.35));
}

.panel-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.panel-header div { display: grid; gap: 6px; }
.panel-header small, .brief-grid small, .assistant-box small { color: #8495b4; letter-spacing: .09em; }
.online { color: #76efbd; font-size: .72rem; font-weight: 900; }
.brief-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 30px 0; }
.brief-grid article { padding: 16px; border: 1px solid rgba(255,255,255,.07); border-radius: 17px; background: rgba(255,255,255,.025); }
.brief-grid strong { display: block; margin: 8px 0; font-size: 1.45rem; }
.brief-grid p { margin: 0; color: #9eacc4; font-size: .8rem; }
.assistant-box { display: flex; gap: 14px; align-items: center; padding: 18px; border: 1px solid rgba(111,231,255,.16); border-radius: 18px; background: rgba(111,231,255,.055); }
.assistant-box p { margin: 5px 0 0; color: #dce7f9; line-height: 1.45; }
.pulse { width: 14px; height: 14px; flex: 0 0 auto; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 24px var(--cyan); }

.section { padding: 100px clamp(20px, 7vw, 110px); }
.feature-grid, .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 42px; }
.feature-grid article, .price-card { padding: 28px; border: 1px solid var(--border); border-radius: 24px; background: var(--panel); }
.feature-grid article > span { color: var(--cyan); font-weight: 900; }
.feature-grid h3 { font-size: 1.3rem; }
.feature-grid p, .automation-list span { color: var(--muted); line-height: 1.6; }

.automation-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.automation-list { display: grid; gap: 10px; }
.automation-list article { display: grid; gap: 7px; padding: 20px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.025); }

.pricing-section { text-align: center; }
.pricing-grid { text-align: left; }
.price-card { position: relative; display: flex; flex-direction: column; }
.price-card > p { color: var(--cyan); font-weight: 900; }
.price-card h3 { margin: 4px 0; font-size: 2.5rem; }
.price-card h3 span { color: var(--muted); font-size: 1rem; }
.price-card small { color: #8e9cb6; }
.price-card ul { display: grid; gap: 12px; margin: 26px 0 30px; padding-left: 20px; color: #c8d4e8; }
.price-card button, .custom-button { width: 100%; margin-top: auto; cursor: pointer; font: inherit; }
.featured { border-color: rgba(111,231,255,.45); transform: translateY(-12px); box-shadow: 0 25px 80px rgba(49,145,255,.12); }
.popular { position: absolute; top: 18px; right: 18px; color: #77efc0; font-size: .68rem; font-weight: 900; }
.checkout-message { min-height: 24px; color: #ffd497; }

.final-cta { margin: 60px clamp(20px, 7vw, 110px); padding: clamp(32px, 7vw, 80px); text-align: center; border: 1px solid var(--border); border-radius: 30px; background: radial-gradient(circle at 50% 0%, rgba(111,231,255,.12), transparent 28rem), var(--panel); }
.final-cta p:not(.eyebrow) { color: var(--muted); margin-bottom: 28px; }

footer { display: flex; align-items: center; gap: 30px; padding: 34px clamp(20px, 7vw, 110px); border-top: 1px solid rgba(255,255,255,.06); color: #8d9ab1; }
footer p { margin-right: auto; }

@media (max-width: 900px) {
  .nav nav { display: none; }
  .hero, .automation-section { grid-template-columns: 1fr; }
  .hero { min-height: 0; padding-top: 70px; }
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
  .featured { transform: none; }
}

@media (max-width: 600px) {
  .nav { padding: 14px 16px; }
  .hero, .section { padding-left: 18px; padding-right: 18px; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.6rem); }
  .brief-grid { grid-template-columns: 1fr; }
  .hero-actions, .hero-actions a { width: 100%; }
  footer { align-items: flex-start; flex-direction: column; }
  footer p { margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}