:root{
  --bg0:#060a14;
  --bg1:#0b1220;

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);

  --border: rgba(255,255,255,.14);
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.10);

  --brand:#4fd1c5;   /* teal */
  --brand2:#60a5fa;  /* blue */

  --radius: 18px;
  --shadow: 0 18px 50px rgba(0,0,0,.35);

  --max: 1120px;

  --ring: 0 0 0 3px rgba(79, 209, 197, .35);

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 500px at 18% 14%, rgba(79,209,197,.30), transparent 60%),
    radial-gradient(800px 500px at 90% 8%, rgba(96,165,250,.26), transparent 55%),
    radial-gradient(900px 600px at 60% 105%, rgba(79,209,197,.16), transparent 60%),
    linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 60%, var(--bg0) 100%);
  overflow-x:hidden;
}

a{ color: inherit; text-decoration:none; }
.container{ max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Watermark (Tero-Tech) */
.watermark::before{
  content: "Tero-Tech";
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(52px, 12vw, 160px);
  font-weight: 800;
  letter-spacing: 2px;
  color: rgba(255,255,255,.30);
  transform: rotate(-18deg);
  pointer-events: none;
  z-index: 999;
}
.watermark *{
  position: relative;
  z-index: 1000; /* keep content above watermark */
}

/* Topbar */
.topbar{
  border-bottom: 1px solid rgba(255,255,255,.10);
  background: rgba(5,8,16,.55);
  backdrop-filter: blur(10px);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 10px 0;
  gap: 12px;
}
.topbar__left{ display:flex; gap:10px; flex-wrap:wrap; color: var(--muted); font-size: 13px; }
.topbar__sep{ opacity:.6; }
.topbar__link{ color: rgba(255,255,255,.88); font-weight: 600; font-size: 13px; }
.topbar__link:hover{ opacity:1; }

/* Header */
.header{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(5,8,16,.62);
  border-bottom: 1px solid rgba(255,255,255,.10);
  backdrop-filter: blur(12px);
}
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{ display:flex; align-items:center; gap: 10px; }
.brand__mark{
  width: 38px; height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(79,209,197,.95), rgba(96,165,250,.95));
  box-shadow: 0 10px 30px rgba(0,0,0,.28);
  position: relative;
  overflow: hidden;
}
.brand__mark::before{
  content:"";
  position:absolute; inset:-25%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.65), transparent 55%);
  transform: rotate(18deg);
  opacity:.7;
}
.brand__text{ display:flex; flex-direction:column; line-height: 1.1; }
.brand__name{ font-weight: 800; letter-spacing: .2px; }
.brand__sub{ font-size: 12px; color: var(--muted); margin-top: 2px; }

.nav{ display:flex; gap: 18px; align-items:center; color: var(--muted); font-size: 14px; }
.nav a{
  padding: 8px 10px;
  border-radius: 10px;
  transition: background .18s ease, color .18s ease;
}
.nav a:hover{ background: rgba(255,255,255,.06); color: var(--text); }

.header__cta{ display:flex; gap: 10px; align-items:center; }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
  transition: transform .12s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:hover{ background: rgba(255,255,255,.10); transform: translateY(-1px); }
.btn:focus{ outline:none; box-shadow: var(--ring); }

.btn--primary{
  border-color: rgba(79,209,197,.45);
  background: linear-gradient(135deg, rgba(79,209,197,.95), rgba(96,165,250,.85));
  color: #041014;
}
.btn--ghost{ background: rgba(255,255,255,.04); }
.btn--block{ width: 100%; }

/* Hero */
.hero{ padding: 54px 0 34px; }
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 26px;
  align-items: center;
}

.pill{
  display:inline-flex; align-items:center; gap:10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
  font-size: 14px;
  color: var(--muted);
  width: fit-content;
}
.pill__dot{
  width: 10px; height: 10px; border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 4px rgba(79,209,197,.14);
}

h1{
  margin: 14px 0 12px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.8px;
}
h2{
  margin: 0 0 10px;
  font-size: 26px;
  letter-spacing: -0.4px;
}
h3{ margin: 0; font-size: 16px; }

.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  max-width: 60ch;
}
.hero__actions{ display:flex; gap: 12px; flex-wrap:wrap; margin-top: 14px; }

.kpis{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 22px;
}
.kpi{
  padding: 14px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 12px 35px rgba(0,0,0,.22);
}
.kpi__value{ font-weight: 900; font-size: 18px; letter-spacing:-.2px; }
.kpi__label{ color: var(--muted); font-size: 13px; margin-top: 4px; }

/* Hero Card */
.heroCard{
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
  padding: 18px;
}
.heroCard__header{
  display:flex; gap: 12px; align-items:center;
  padding: 14px;
  border-radius: 16px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.12);
}
.heroCard__icon{
  width: 44px; height: 44px;
  border-radius: 16px;
  display:grid; place-items:center;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.14);
  font-size: 18px;
}
.heroCard__title{ font-weight: 800; font-size: 14px; }
.heroCard__sub{ color: var(--muted); font-size: 12px; margin-top: 2px; }
.heroCard__slots{ display:grid; gap: 10px; margin-top: 12px; }

.slot{
  display:flex; justify-content:space-between; align-items:center; gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
}
.slot__title{ font-weight: 800; font-size: 13px; }
.slot__sub{ color: var(--muted); font-size: 13px; margin-top: 2px; }

.tag{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  white-space: nowrap;
}

.heroCard__buttons{ display:grid; gap: 10px; margin-top: 14px; }
.fineprint{ margin: 12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }

/* Sections */
.section{ padding: 42px 0; }
.section__head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.section__head p{
  margin:0;
  color: var(--muted);
  line-height:1.6;
  font-size: 14px;
  max-width: 70ch;
}
.link{ color: rgba(255,255,255,.88); font-weight: 700; font-size: 14px; }
.link:hover{ opacity: 1; }

/* Cards */
.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  padding: 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 12px 35px rgba(0,0,0,.20);
  transition: transform .14s ease, background .18s ease, border-color .18s ease;
}
.card:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.18);
}
.card__top{ display:flex; align-items:center; gap: 12px; margin-bottom: 10px; }
.card__icon{
  width: 44px; height: 44px;
  border-radius: 16px;
  display:grid; place-items:center;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.14);
}
.card p{ margin:0; color: var(--muted); font-size: 14px; line-height: 1.6; }

.list{ margin: 12px 0 0; padding:0; list-style:none; display:grid; gap: 8px; color: var(--muted); font-size: 14px; }

/* About split */
.split{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
  align-items:start;
}
.split__panel{ display:flex; }
.panel{
  width:100%;
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,.16);
  background:
    radial-gradient(800px 260px at 20% 30%, rgba(79,209,197,.22), transparent 65%),
    radial-gradient(720px 260px at 90% 10%, rgba(96,165,250,.20), transparent 60%),
    rgba(255,255,255,.06);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.panel__badge{
  display:inline-block;
  margin: 18px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.18);
  color: var(--muted);
  font-size: 12px;
}
.panel__body{ padding: 0 18px 18px; color: var(--muted); line-height: 1.6; font-size: 14px; }
.panel__stats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.stat{
  padding: 12px;
  border-radius: 16px;
  background: rgba(0,0,0,.14);
  border: 1px solid rgba(255,255,255,.12);
}
.stat__num{ color: rgba(255,255,255,.88); font-weight: 900; }
.stat__label{ color: var(--muted); font-size: 12px; margin-top: 4px; }

.features{ display:grid; gap: 12px; margin: 18px 0; }
.feature{
  display:flex; gap: 12px; align-items:flex-start;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.12);
}
.feature__icon{
  width: 40px; height: 40px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.14);
}
.feature p{ margin: 6px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

/* Reviews */
.quotes{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.quote{
  margin: 0;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 12px 35px rgba(0,0,0,.20);
}
.quote__stars{ margin-bottom: 10px; }
.quote blockquote{ margin:0; color: rgba(255,255,255,.88); line-height: 1.6; font-size: 14px; }
.quote figcaption{ margin-top: 12px; color: var(--muted); font-size: 13px; }

/* CTA */
.cta{ padding: 44px 0 60px; }
.cta__box{
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,.16);
  background:
    radial-gradient(800px 260px at 20% 30%, rgba(79,209,197,.22), transparent 65%),
    radial-gradient(720px 260px at 90% 10%, rgba(96,165,250,.20), transparent 60%),
    rgba(255,255,255,.06);
  box-shadow: var(--shadow);
  padding: 22px;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
  align-items:start;
}
.cta__details{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.detail{
  padding: 12px;
  border-radius: 16px;
  background: rgba(0,0,0,.14);
  border: 1px solid rgba(255,255,255,.12);
}
.detail__label{ color: var(--muted); font-size: 12px; display:block; }
.detail__value{ font-weight: 800; font-size: 13px; margin-top: 6px; display:block; }

.form{
  padding: 16px;
  border-radius: 22px;
  background: rgba(0,0,0,.16);
  border: 1px solid rgba(255,255,255,.12);
}
.form__row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
label{ display:block; }
label span{
  display:block;
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 13px;
}
input, select, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.20);
  color: var(--text);
  outline: none;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus{ box-shadow: var(--ring); }

/* Footer */
.footer{
  border-top: 1px solid rgba(255,255,255,.10);
  padding: 22px 0 34px;
  color: var(--muted);
  font-size: 13px;
  background: rgba(5,8,16,.45);
  backdrop-filter: blur(10px);
}
.footer__inner{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap: 14px;
}
.footer__brand{ font-weight: 900; color: rgba(255,255,255,.90); }
.footer__small{ margin-top: 6px; color: var(--muted); }
.footer__links{ display:flex; gap: 14px; flex-wrap:wrap; justify-content:flex-end; }
.footer__links a{ color: rgba(255,255,255,.88); }
.footer__links a:hover{ opacity: 1; }

/* Responsive */
@media (max-width: 980px){
  .hero__grid, .split, .cta__box{ grid-template-columns: 1fr; }
  .kpis{ grid-template-columns: repeat(3, 1fr); }
  .cards{ grid-template-columns: 1fr; }
  .quotes{ grid-template-columns: 1fr; }
  .cta__details{ grid-template-columns: 1fr; }
  .footer__inner{ flex-direction: column; }
  .footer__links{ justify-content:flex-start; }
}
@media (max-width: 760px){
  .nav{ display:none; }
  .kpis{ grid-template-columns: 1fr; }
  .form__row{ grid-template-columns: 1fr; }
  .hero{ padding-top: 34px; }
}