:root {
  --bg: #ffffff;
  --bg-soft: #f7fbff;
  --primary-50: #e6f2ff;
  --primary-100: #cfe7ff;
  --primary-200: #b7dbff;
  --primary-300: #9ccfff;
  --primary-400: #69b5ff;
  --primary-500: #2f96ff;
  --primary-600: #0a66c2; 
  --text: #0b1f33;
  --text-muted: #4a6072;
  --border: #dbe8f5;
  --shadow: 0 8px 24px rgba(10, 102, 194, 0.08);
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 0;
}
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
.logo-mark {
  width: 36px; height: 36px; display: grid; place-items: center;
  background: var(--primary-50); color: var(--primary-600);
  font-weight: 700; border-radius: 10px; border: 1px solid var(--border);
}
.logo-text { font-weight: 700; letter-spacing: 0.2px; }

.nav .menu { display: flex; align-items: center; gap: 18px; list-style: none; margin: 0; padding: 0; }
.nav a { text-decoration: none; color: var(--text); padding: 8px 10px; border-radius: 8px; }
.nav a:hover { background: var(--primary-50); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; border-radius: 8px; }
.nav-toggle:focus-visible { outline: 2px solid var(--primary-400); }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; }

.btn { 
  display: inline-block; 
  padding: 10px 16px; 
  border-radius: 10px; 
  border: 1px solid var(--border); 
  text-decoration: none; 
  color: var(--text); 
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn:hover { box-shadow: var(--shadow); }
.btn-ghost { background: var(--bg); }
.btn-primary { 
  background: linear-gradient(135deg, var(--primary-600) 0%, #0055a3 100%);
  color: #fff; 
  border: none; 
  box-shadow: 0 4px 12px rgba(10, 102, 194, 0.25);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}
.btn-primary:hover::before {
  left: 100%;
}
.btn-primary:hover { 
  background: linear-gradient(135deg, #0055a3 0%, #004080 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10, 102, 194, 0.35);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(10, 102, 194, 0.25);
}
.btn-lg { padding: 12px 20px; font-size: 1.0625rem; }

.section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head p { color: var(--text-muted); margin-top: 8px; }

.hero { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%); }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(28px, 4vw, 44px); line-height: 1.15; margin: 0 0 12px; letter-spacing: 0.2px; }
.hero p { color: var(--text-muted); margin: 0 0 20px; font-size: 1.0625rem; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-visual { position: relative; min-height: 280px; }
.hero-visual .blob {
  position: absolute; inset: 0; translate: 6% 4%; z-index: 0;
  background: radial-gradient(60% 60% at 50% 40%, var(--primary-100), transparent 70%),
              radial-gradient(40% 40% at 70% 60%, var(--primary-50), transparent 70%);
  filter: blur(12px);
  border-radius: 24px;
}
.hero-visual .browser {
  position: relative; z-index: 1; margin-left: auto; width: min(520px, 92%);
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); overflow: hidden;
}
.browser-chrome { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--border); background: var(--bg);
}
.traffic { display: inline-flex; gap: 6px; }
.t-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border); display: inline-block; border: 1px solid #d0dbe6; }
.t-dot.red { background: #ff5f57; border-color: #e14c47; }
.t-dot.yellow { background: #febc2e; border-color: #e0a321; }
.t-dot.green { background: #28c840; border-color: #20a835; }
.browser-url { background: var(--primary-50); color: var(--text); border: 1px solid var(--border); border-radius: 999px; padding: 6px 12px; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.browser-actions .action { width: 16px; height: 16px; border-radius: 4px; background: var(--primary-100); display: inline-block; border: 1px solid var(--primary-300); }
.browser-content { padding: 18px; background: #fff; }
.browser-content .hero-bar { height: 18px; border-radius: 6px; background: var(--primary-100); width: 70%; margin-bottom: 10px; }
.browser-content .hero-sub { height: 12px; border-radius: 6px; background: var(--primary-50); width: 55%; margin-bottom: 16px; }
.browser-content .hero-cta { height: 34px; width: 140px; border-radius: 10px; background: var(--primary-600); opacity: .12; margin-bottom: 16px; }
.browser-content .cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 16px; }
.browser-content .cards .c { height: 70px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-soft); }
.browser-content .split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 12px; align-items: start; }
.browser-content .split .left { height: 120px; border: 1px solid var(--border); border-radius: 12px; background: #fff; box-shadow: var(--shadow); }
.browser-content .split .right .line { height: 10px; border-radius: 6px; background: var(--primary-50); margin-bottom: 10px; }
.browser-content .split .right .line.short { width: 60%; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card.service { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.card.service h3 { margin-top: 0; margin-bottom: 6px; font-size: 1.125rem; }
.card.service p { color: var(--text-muted); margin: 0; }

.products { background: var(--bg); }
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pricing-card { position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.pricing-card .badge { position: absolute; top: 12px; right: 12px; background: var(--primary-100); color: var(--primary-600); padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .3px; border: 1px solid var(--primary-300); }
.pricing-card.highlight { border-color: var(--primary-300); box-shadow: 0 12px 28px rgba(10,102,194,0.12); }
.pricing-head h3 { margin: 0; font-size: 1.25rem; }
.pricing-head .subtitle { margin: 6px 0 0; color: var(--text-muted); }
.price { display: flex; align-items: baseline; gap: 10px; margin-top: 12px; }
.price .old { color: var(--text-muted); text-decoration: line-through; font-weight: 500; }
.price .current { color: var(--primary-600); font-size: 1.375rem; font-weight: 800; letter-spacing: 0.2px; }
.features { list-style: none; padding: 0; margin: 16px 0 20px; display: grid; gap: 8px; }
.features li { position: relative; padding-left: 26px; }
.features li::before { content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 14px; border-radius: 50%; background: var(--primary-100); border: 1px solid var(--primary-300); }
.note { margin: 2px 0 14px; color: var(--text-muted); font-size: 0.95rem; }
.pricing-cta { margin-top: auto; }

.two-col { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 28px; align-items: start; }
.list-check { list-style: none; padding: 0; margin: 16px 0 0; }
.list-check li { position: relative; padding-left: 26px; margin: 8px 0; }
.list-check li::before { content: ""; position: absolute; left: 0; top: 9px; width: 14px; height: 14px; border-radius: 4px; background: var(--primary-100); border: 1px solid var(--primary-300); }
.about-panel { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.kpi { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; text-align: center; }
.kpi strong { display: block; font-size: 1.25rem; color: var(--primary-600); }
.kpi span { color: var(--text-muted); }

.logo-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; align-items: center; }
.logo-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 14px; text-align: center; color: var(--text-muted); font-weight: 600; }

.cta { background: linear-gradient(180deg, var(--primary-50), #fff); }
.cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; }

.process { background: var(--bg-soft); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; }
.step h3 { margin: 2px 0 6px; font-size: 1.0625rem; }
.step p { margin: 0; color: var(--text-muted); }
.step-num { width: 34px; height: 34px; border-radius: 10px; background: var(--primary-50); color: var(--primary-600); display: grid; place-items: center; font-weight: 800; border: 1px solid var(--border); }

.faq { background: #fff; }
.accordion { display: grid; gap: 10px; }
.accordion .item { border: 1px solid var(--border); border-radius: 12px; background: #fff; overflow: hidden; box-shadow: var(--shadow); }
.acc-btn { width: 100%; text-align: left; background: #fff; border: 0; padding: 14px 16px; font-weight: 700; color: var(--text); cursor: pointer; }
.acc-btn[aria-expanded="true"] { background: var(--primary-50); }
.acc-panel { padding: 0 16px 14px; color: var(--text-muted); }

.site-footer { border-top: 1px solid var(--border); background: #fff; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: center; padding: 24px 0; }
.footer-nav { list-style: none; padding: 0; margin: 0; display: flex; gap: 14px; }
.footer-nav a { color: var(--text-muted); text-decoration: none; padding: 6px 8px; border-radius: 8px; }
.footer-nav a:hover { background: var(--primary-50); color: var(--text); }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.legal { grid-column: 1 / -1; color: var(--text-muted); margin: 0; font-size: 0.9375rem; }

@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .logo-row { grid-template-columns: repeat(3, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .nav .menu { position: absolute; right: 4%; top: 60px; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 10px; flex-direction: column; gap: 6px; width: 220px; display: none; box-shadow: var(--shadow); }
  .nav .menu.open { display: flex; }
  .nav-toggle { display: inline-block; }
  .logo-row { grid-template-columns: repeat(2, 1fr); }
  .about-panel { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; text-align: center; }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
    margin-top: 16px;
  }

  .footer-nav a {
    padding: 10px 14px; 
  }

  .legal {
    margin-top: 16px;
  }
}

@media (max-width: 480px) {
  .footer-inner {
    padding: 20px 0;
  }

  .brand {
    justify-content: center;
    margin-bottom: 16px;
  }

  .footer-nav {
    flex-direction: column;
    gap: 12px; 
  }
}

a:focus-visible, button:focus-visible { outline: 2px solid var(--primary-400); outline-offset: 2px; }