/* GLOBAL */
*, *::before, *::after { box-sizing: border-box; }

:root{
  --aqua:#00cccc;
  --black:#000;
  --bg:#111;
  --darkbar:#29292f;
  --text:#eee;
  --muted:#aaa;
  --headerH:90px;
}

body{
  margin:0;
  font-family:'Montserrat', sans-serif;
  color:var(--text);
  background:var(--bg);
}

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

.section{ width:100%; }
.container{
  max-width:1600px;
  margin:0 auto;
  padding:0 50px;
}
@media (max-width:768px){
  .container{ padding:0 20px; }
}

/* ALIGN HELPERS (global option) */
.align-left{ text-align:left; }
.align-center{ text-align:center; }
.align-right{ text-align:right; }

/* HEADER */
header{
  position:fixed;
  top:0; left:0;
  width:100%;
  background:var(--black);
  z-index:1000;
}
.header-inner{
  height:var(--headerH);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{ line-height:1.1; display:block; }
.logo-title{ font-size:28px; }
.logo-title .reflex{ color:var(--aqua); font-weight:900; }
.logo-title .iot{ color:#fff; font-weight:300; }
.logo-tagline{ font-size:12px; color:var(--muted); margin-top:2px; }

.nav-desktop{
  display:flex;
  align-items:center;
  gap:30px;
  justify-content:flex-end;
}
.nav-desktop a{ font-size:14px; color:#ddd; }
.nav-desktop a.active { color: #00cccc; font-weight: 700; }

.phone-btn{
  padding:10px 20px;
  background:var(--aqua);
  color:#fff;
  border-radius:999px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
}

/* MOBILE NAV (accordion panel) */
.nav-mobile-toggle{
  display:none;
  background:transparent;
  border:0;
  color:#fff;
  font-size:20px;
}
.nav-mobile-panel{
  display:none;
  background:var(--black);
  border-top:1px solid #222;
  padding:10px 0 20px;
}
.nav-mobile-panel a{
  display:block;
  padding:14px 20px;
  color:#ddd;
}
.phone-btn-mobile{
  margin:10px 20px 0;
  justify-content:center;
}
@media (max-width:768px){
  .nav-desktop{ display:none; }
  .nav-mobile-toggle{ display:inline-block; }
}

/* TYPOGRAPHY */
h2{
  font-size:48px;
  margin:0 0 20px;
  line-height:1.1;
}
p{
  font-size:24px;
  line-height:1.4;
  margin:0;
  color:#f0f0f0;
}
.btn{
  display:inline-block;
  margin-top:25px;
  padding:14px 30px;
  background:var(--aqua);
  color:#000;
  border-radius:999px;
  font-weight:800;
  letter-spacing:0.5px;
  text-transform:uppercase;
}

/* SECTION 1 HERO */
.hero{
  margin-top:var(--headerH);
  height:calc(100vh - var(--headerH));
  display:flex;
  align-items:center;
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
  position:relative;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.55); /* overlay for readability */
}
.hero .container{
  position:relative;
  z-index:1;
}

/* SECTION 2 STATS */
.stats{
  background:var(--black);
  padding:100px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:40px;
}
@media (max-width:768px){
  .stats-grid{ grid-template-columns:1fr; }
}
.stat-card{
  text-align:center;
}
.ring{
  width:150px;
  height:150px;
  margin:0 auto 18px;
  position:relative;
}
.ring svg{
  width:150px;
  height:150px;
  transform:rotate(-90deg);
}
.ring .track{
  stroke:#ffffff;
  stroke-opacity:0.18;
  stroke-width:10;
  fill:none;
}
.ring .progress{
  stroke:var(--aqua);
  stroke-width:10;
  fill:none;
  stroke-linecap:round;
  stroke-dasharray: 440; /* approx circumference for r~70 */
  stroke-dashoffset: 440;
}
.ring .value{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:34px;
  font-weight:900;
}

/* SECTION 3 (image split: left blank, right content) */
.image-split{
  padding:120px 0;
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
  position:relative;
}
.image-split::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.55);
}
.image-split .container{
  position:relative;
  z-index:1;
}
.split-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}
@media (max-width:768px){
  .split-grid{ grid-template-columns:1fr; }
}

/* SECTION 4 (20/60/20 centered content) */
.center-band{
  padding:140px 0;
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
  position:relative;
}
.center-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.55);
}
.center-band .container{ position:relative; z-index:1; }

.band-3col{
  display:grid;
  grid-template-columns:20% 60% 20%;
}
@media (max-width:768px){
  .band-3col{ grid-template-columns:1fr; }
}
.band-mid{
  text-align:center;
}

/* SECTION 5 (4 columns) */
.features{
  padding:120px 0;
  background:#0c0c0c;
}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:40px;
}
@media (max-width:1024px){
  .feature-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:768px){
  .feature-grid{ grid-template-columns:1fr; }
}
.feature{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:18px;
  padding:28px;
}
.feature i{
  font-size:40px;
  color:var(--aqua);
  margin-bottom:14px;
}
.feature h3{
  margin:0 0 10px;
  font-size:20px;
  font-weight:900;
}
.feature p{
  font-size:20px;
  color:#e8e8e8;
}
.feature .btn{
  margin-top:18px;
  font-size:14px;
}

/* SECTION 6 CTA */
.cta{
  padding:120px 0;
  background:#000;
  position:relative;
}
.cta-inner{
  max-width:1100px;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:26px;
}
.btn-alt{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 30px;
  border-radius:999px;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:0.5px;
  background:transparent;
  border:2px solid var(--aqua);
  color:var(--aqua);
}

/* FOOTER */
footer{ background:var(--black); padding-top:60px; }
.footer-main{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-bottom:40px;
  gap:30px;
}
.footer-nav{ display:flex; gap:24px; flex-wrap:wrap; justify-content:flex-end; }
.footer-nav a{ color:#ddd; font-size:14px; }
@media (max-width:768px){
  .footer-main{ flex-direction:column; align-items:flex-start; }
  .footer-nav{ justify-content:flex-start; }
}
.footer-bottom{
  background:var(--darkbar);
  height:80px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#aaa;
  font-size:14px;
  gap:10px;
  padding:0 20px;
  text-align:center;
}