:root{
  --bg: #f6f8fb;
  --bg2: #f1f5fa;
  --card: rgba(255,255,255,.82);
  --ink: #0c1b24;
  --muted: #5d6b76;
  --line: rgba(13, 30, 46, .12);

  --teal: #00E8CC;
  --teal2: #00B5B1;
  --coral: #00078C;

  --shadow: 0 14px 34px rgba(10, 20, 30, .08);
  --shadow2: 0 10px 24px rgba(10, 20, 30, .10);

  --radius: 3px;
  --container: 1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: "Nunito", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 700px at 70% 10%, rgba(26,159,179,.14), transparent 60%),
              radial-gradient(900px 600px at 20% 30%, rgba(26,159,179,.10), transparent 60%),
              linear-gradient(180deg, var(--bg), var(--bg2));
}

a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}

.container{
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.muted{color:var(--muted)}

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--teal2);
  color: var(--bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .02em;
}
.brand-mark{
  width: 48px;
  height: 48px;
  position: relative;
  background: var(--bg);
  border-radius: 50%;
}
.brand-name{font-size: 18px}

.nav{display:flex; align-items:center}
.nav-toggle{
  display:none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(255,255,255,.65);
  box-shadow: 0 6px 18px rgba(10,20,30,.06);
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--ink);
  border-radius: 2px;
}
.nav-toggle span + span{ margin-top: 5px; }

.nav-links{
  display:flex;
  align-items:center;
  gap: 18px;
}
.nav-link{
  font-size: 14px;
  color: var(--muted);
  padding: 10px 8px;
  border-radius: 10px;
}
.nav-link{
  font-size: 14px;
  color: var(--bg2);
  padding: 10px 8px;
  border-radius: 2px;
}
.nav-link:hover{
  color: var(--ink);
  border-radius: 12px;
  background: rgba(255,255,255,.55);
}
.btn-nav{margin-left: 10px}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .08s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
.btn:active{transform: translateY(1px)}
.btn-primary{
  background: linear-gradient(135deg, var(--teal), var(--teal2));
  color: #fff;
  box-shadow: 0 16px 26px rgba(19,124,139,.20);
}
.btn-primary:hover{box-shadow: 0 18px 34px rgba(19,124,139,.26)}
.btn-ghost{
  background: rgba(255,255,255,.65);
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover{background: rgba(255,255,255,.78)}
.btn-lg{padding: 14px 18px; border-radius: 6px; font-size: 24px;}
.btn-full{width:100%}
.btn-nav{
  background: linear-gradient(135deg, var(--bg), var(--bg2));
  color: var(--muted);
}
/* Hero */
.hero{
  padding: 58px 0 22px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 30px;
  align-items:center;
}
.hero .muted{
  color: var(--teal2);
}
h1, h2, h3{
  font-family: "Montserrat";
}
.hero h1{
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.05;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}
.hero-sub{
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  max-width: 52ch;
}
.hero-ctas{display:flex; gap: 12px; flex-wrap: wrap}

.trust-row{
  display:flex;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.trust-pill{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.60);
  color: var(--muted);
  font-size: 13px;
}
.trust-pill .dot{
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(26,159,179,.16);
}

/* Hero Visual */
.hero-visual{
  position: relative;
  padding: 10px 0;
}
.visual-card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}
.visual-card-lg{
  padding: 16px;
  overflow:hidden;
}
.visual-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom: 14px;
}
.chip{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(26,159,179,.12);
  border: 1px solid rgba(26,159,179,.20);
  color: var(--teal2);
  font-weight: 600;
}
.mini-icons{display:flex; gap: 6px}
.mini-icon{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(13,30,46,.18);
}
.visual-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.visual-block{
  padding: 12px;
  border-radius: 14px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(13,30,46,.10);
}
.visual-block.wide{grid-column: 1 / -1}
.block-title{font-size: 12px; color: var(--muted); font-weight: 600}
.block-value{font-size: 16px; margin-top: 6px; font-weight: 700}
.block-meta{font-size: 12px; color: var(--muted); margin-top: 6px}

.visual-graph{
  grid-column: 1 / -1;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(13,30,46,.10);
}
.graph-header{
  display:flex;
  justify-content:space-between;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 10px;
}
.bars{
  display:flex;
  align-items:flex-end;
  gap: 8px;
  height: 74px;
}
.bar{
  width: 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(26,159,179,.92), rgba(19,124,139,.88));
  box-shadow: 0 10px 18px rgba(19,124,139,.16);
}

.visual-float{
  position:absolute;
  bottom: -12px;
  left: -10px;
  padding: 12px;
  width: 250px;
}
.visual-float.right{
  left: auto;
  right: -10px;
  bottom: 18px;
  width: 240px;
}
.float-row{
  display:flex;
  gap: 12px;
  align-items:center;
}
.badge{
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: rgba(26,159,179,.14);
  border: 1px solid rgba(26,159,179,.22);
}
.badge.coral{
  background: rgba(255,107,107,.12);
  border: 1px solid rgba(255,107,107,.22);
}
.float-title{font-weight:700}
.float-meta{color:var(--muted); font-size: 13px; margin-top: 2px}

/* Sections */
.section{
  padding: 56px 0;
}
.section-soft{
  background: linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.18));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head{
  margin-bottom: 22px;
}
.section-head h2{
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: -0.02em;
}
.section-sub{
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}
.section-head.tight{margin-bottom: 14px}

/* Cards */
.cards-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card{
  padding: 18px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.card h3{margin: 10px 0 8px; font-size: 18px}
.card p{margin: 0 0 12px; color: var(--muted); line-height: 1.6}
.mini-list{
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 13px;
}
.card-icon{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 144px;
  position: relative;
  overflow:hidden;
}

.card-icon img{
  height: 100%;
}
.icon-magnet::before,
.icon-gear::before,
.icon-graph::before{
  content:"";
  position:absolute;
  inset: 10px;
  border-radius: 12px;
  border: 2px solid rgba(26,159,179,.55);
}
.icon-gear::before{border-style:dashed}
.icon-graph::before{
  border: none;
  background: linear-gradient(180deg, rgba(26,159,179,.25), transparent);
  clip-path: polygon(0 70%, 25% 60%, 45% 62%, 70% 40%, 100% 34%, 100% 100%, 0 100%);
}

/* Why */
.why-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
  align-items:center;
}
.why-points{display:grid; gap: 12px; margin-top: 16px;
  grid-template-columns: 1fr 1fr;}
.why-point{
  display:flex;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.55);
  border: 1px solid var(--line);
}
.why-point h4{margin: 0 0 4px}
.why-point p{margin: 0; color: var(--muted); line-height: 1.6}
.check{
  width: 26px; height: 26px;
  border-radius: 10px;
  background: rgba(26,159,179,.16);
  border: 1px solid rgba(26,159,179,.22);
  position: relative;
}
.check::after{
  content:"";
  position:absolute;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--teal2);
  border-bottom: 2px solid var(--teal2);
  transform: rotate(-45deg);
  left: 7px; top: 8px;
}

/* Device mock */
.device-mock{
  display:grid;
  gap: 12px;
  justify-items:end;
}
.device{
  width: min(520px, 100%);
  border-radius: 22px;
  background: rgba(255,255,255,.78);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.device-top{
  display:flex;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.device-top span{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(13,30,46,.18);
}
.device-body{padding: 16px}
.chart-line{
  height: 160px;
  border-radius: 5px;
  background:
    radial-gradient(900px 260px at 40% 30%, rgba(26,159,179,.20), transparent 65%),
    linear-gradient(180deg, rgba(26,159,179,.10), rgba(255,255,255,.05));
  border: 1px solid rgba(13,30,46,.08);
}
.chart-area{
  margin-top: 12px;
  height: 70px;
  border-radius: 18px;
  background:
    linear-gradient(90deg, rgba(13,30,46,.06) 0 20%, transparent 20% 40%, rgba(13,30,46,.06) 40% 60%, transparent 60% 80%, rgba(13,30,46,.06) 80% 100%);
  border: 1px solid rgba(13,30,46,.08);
}
.chart-meta{
  display:flex;
  gap: 10px;
  margin-top: 12px;
}
.pill{
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(26,159,179,.12);
  border: 1px solid rgba(26,159,179,.20);
  color: var(--teal2);
  font-weight: 600;
}
.pill.ghost{
  background: rgba(255,255,255,.60);
  border: 1px solid var(--line);
  color: var(--muted);
}
.device-mini{
  width: 160px;
  border-radius: 22px;
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 12px;
}
.mini-screen{
  height: 120px;
  border-radius: 18px;
  background: radial-gradient(circle at 30% 30%, rgba(26,159,179,.18), transparent 60%),
              linear-gradient(180deg, rgba(13,30,46,.08), transparent);
  border: 1px solid rgba(13,30,46,.08);
}

/* CTA */
.cta{
  padding: 64px 0;
  background: radial-gradient(1200px 500px at 50% 20%, rgba(26,159,179,.18), transparent 62%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-inner{
  text-align:center;
  max-width: 820px;
}
.cta h2{
  margin: 0 0 10px;
  font-size: 30px;
  letter-spacing: -0.02em;
}
.cta p{
  margin: 0 auto 18px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 70ch;
}
.cta-links{
  margin-top: 18px;
  display:flex;
  gap: 14px;
  justify-content:center;
  flex-wrap: wrap;
}
.cta-link{
  color: var(--muted);
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.55);
}
.cta-link:hover{color: var(--ink)}

/* Contact */
.contact-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  align-items:start;
}
.contact-card{
  padding: 5px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--teal);
  box-shadow: var(--shadow);
}
.form-row{display:grid; gap: 8px; margin-bottom: 12px}
label{font-size: 13px; color: var(--muted); font-weight: 600}
input, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(13,30,46,.14);
  background: rgba(255,255,255,.80);
  font: inherit;
  outline: none;
}
input:focus, textarea:focus{
  border-color: rgba(26,159,179,.55);
  box-shadow: 0 0 0 4px rgba(26,159,179,.16);
}
.form-note{
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.form-status{
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
  min-height: 18px;
}
.contact-aside{
  display:grid;
  gap: 14px;
}
.aside-card{
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.55);
  border: 1px solid var(--line);
}
.aside-card h3{margin: 0 0 10px}
.steps{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

/* Footer */
.footer{
  padding: 36px 0;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.18);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr 1fr;
  gap: 18px;
  align-items:start;
}
.footer-sub{color: var(--muted); margin: 10px 0 0; line-height: 1.6}
.footer-links{
  display:grid;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}
.footer-links a:hover{color: var(--ink)}
.footer-meta{
  color: var(--muted);
  font-size: 13px;
}
.footer-meta a{color: var(--muted); text-decoration: underline}

/* Responsive */
@media (max-width: 980px){
  .hero-grid, .why-grid, .contact-grid{
    grid-template-columns: 1fr;
  }
  .visual-float{position: static; width: auto; margin-top: 12px;}
  .visual-float.right{position: static; width: auto; margin-top: 12px;}
  .device-mock{justify-items: start}
  .footer-grid{grid-template-columns: 1fr}
  .cards-3{grid-template-columns: 1fr}
}

@media (max-width: 820px){
  .nav-toggle{display:inline-flex; align-items:center; justify-content:center}
  .nav-links{
    position: absolute;
    right: 20px;
    top: 68px;
    background: rgba(246,248,251,.96);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 12px;
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    min-width: 240px;
  }
  .nav-links.open{display:flex}
  .btn-nav{width: 100%; margin-left: 0}
  .nav-link{padding: 12px 12px}
}