/* ============================================
   SUNTECH OFFICE AUTOMATION — DESIGN TOKENS
   Simple, bright, mobile-first. Light theme only.
   ============================================ */
:root{
  --blue:#1E56E0;
  --blue-dark:#123FAE;
  --blue-soft:#EEF3FF;

  --orange:#FF7A1A;
  --orange-dark:#E8650A;
  --orange-glow: rgba(255,122,26,.3);

  --green:#16A34A;
  --green-dark:#0E7C38;
  --green-soft:#EAF9F0;

  --white:#FFFFFF;
  --bg-soft:#F5F8FF;
  --bg-soft2:#FFF8F0;

  --ink:#1E293B;
  --muted:#64748B;
  --line: #E4E9F2;

  --font-display:'Poppins', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'Roboto Mono', monospace;

  --radius: 14px;
  --wrap: 1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none; margin:0; padding:0;}
h1,h2,h3,h4{font-family:var(--font-display); margin:0; line-height:1.2; font-weight:700;}
p{line-height:1.65; margin:0 0 1rem;}
.wrap{max-width:var(--wrap); margin:0 auto; padding:0 20px;}
.mono{font-family:var(--font-mono);}
.muted{color:var(--muted); font-size:.9rem;}
.center{text-align:center;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:.8rem 1.5rem; border-radius:10px; font-weight:600; font-size:.95rem;
  border:2px solid transparent; cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-amber{background:var(--orange); color:#fff; box-shadow:0 8px 20px var(--orange-glow);}
.btn-amber:hover{background:var(--orange-dark);}
.btn-ghost{background:#fff; color:var(--ink); border-color:var(--line);}
.btn-ghost:hover{border-color:var(--blue);}
.btn-solid{background:var(--green); color:#fff;}
.btn-solid:hover{background:var(--green-dark);}
.btn-outline-light{border-color:var(--blue); color:var(--blue); background:#fff;}
.btn-outline-light:hover{background:var(--blue); color:#fff;}
.btn-lg{padding:1rem 1.9rem; font-size:1.02rem;}
.btn-sm{padding:.55rem 1.1rem; font-size:.82rem;}
.btn-block{width:100%;}

.eyebrow{
  font-family:var(--font-body); text-transform:uppercase; letter-spacing:.1em;
  font-size:.78rem; color:var(--blue); margin-bottom:.8rem; font-weight:700;
}
.eyebrow-dark{color:var(--orange-dark);}

/* ---------- TOPBAR ---------- */
.topbar{background:var(--blue); color:#dce6ff; font-size:.8rem;}
.topbar-inner{display:flex; justify-content:space-between; align-items:center; height:38px; flex-wrap:wrap; gap:.3rem;}
.topbar-left .dot{margin:0 .5rem; opacity:.6;}
.topbar-right a{color:#fff; font-weight:700;}
@media (max-width:720px){ .topbar-left span:not(:first-child){display:none;} }

/* ---------- NAV ---------- */
.nav{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px); border-bottom:1px solid var(--line);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; height:72px; gap:1rem;}
.brand{display:flex; align-items:center; gap:.6rem; min-width:0;}
.brand-mark{width:42px; height:42px; border-radius:50%; object-fit:cover; flex-shrink:0;}
.brand-text{display:flex; flex-direction:column; line-height:1.15; font-family:var(--font-display); min-width:0;}
.brand-text strong{color:var(--ink); font-size:1.05rem; white-space:nowrap;}
.brand-text em{font-style:normal; color:var(--muted); font-size:.65rem; letter-spacing:.06em; text-transform:uppercase; font-weight:600;}
.nav-links{display:flex; gap:1.6rem;}
.nav-links a{color:var(--muted); font-weight:600; font-size:.93rem; transition:color .15s;}
.nav-links a:hover{color:var(--blue);}
.nav-links a.active{color:var(--blue);}
.nav-cta{display:flex; gap:.6rem; flex-shrink:0;}
.nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:6px;}
.nav-toggle span{width:22px; height:2px; background:var(--ink); display:block; border-radius:2px;}

@media (max-width: 960px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0; background:#fff;
    flex-direction:column; padding:.5rem 20px 1rem; gap:0; border-bottom:1px solid var(--line);
    box-shadow:0 16px 24px -16px rgba(30,41,59,.15);
    transform:translateY(-140%); transition:transform .25s ease; opacity:0;
  }
  .nav-links.open{transform:translateY(0); opacity:1;}
  .nav-links a{padding:.85rem 0; border-bottom:1px solid var(--line); display:block;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
}

/* ---------- HERO ---------- */
.hero{
  position:relative; background:linear-gradient(180deg, var(--bg-soft) 0%, #fff 100%);
  padding:52px 0 64px; overflow:hidden;
}
.hero-inner{position:relative; display:grid; grid-template-columns:1.05fr .95fr; gap:2.5rem; align-items:center;}
.hero-copy h1{font-size:clamp(1.9rem, 5vw, 2.9rem); font-weight:700; margin-bottom:1rem; color:var(--ink);}
.hero-sub{color:var(--muted); font-size:1.05rem; max-width:48ch;}
.hero-sub.small{font-size:.95rem;}
.hero-actions{display:flex; gap:.8rem; flex-wrap:wrap; margin:1.4rem 0 1.8rem;}
.hero-trust{display:flex; gap:1.8rem; flex-wrap:wrap;}
.hero-trust div{display:flex; flex-direction:column;}
.hero-trust strong{font-family:var(--font-display); font-size:1.5rem; color:var(--blue);}
.hero-trust span{font-size:.76rem; color:var(--muted); text-transform:uppercase; letter-spacing:.04em;}

/* signature counter widget */
.hero-visual{display:flex; justify-content:center;}
.device{
  width:100%; max-width:380px; background:#fff;
  border:2px solid var(--blue-soft); border-radius:20px; padding:1.4rem; box-shadow:0 20px 44px -20px rgba(30,41,59,.22);
  color:var(--ink);
}
.device-top{display:flex; justify-content:space-between; align-items:baseline; margin-bottom:.9rem;}
.device-name{font-family:var(--font-display); font-weight:700; letter-spacing:.02em; color:var(--ink);}
.device-badge{font-size:.62rem; letter-spacing:.08em; color:var(--blue); text-transform:uppercase; font-weight:700; background:var(--blue-soft); padding:.2rem .5rem; border-radius:999px;}
.device-screen{
  position:relative; background:#0c1912; border-radius:12px; padding:1.1rem 1.2rem 1.3rem;
  border:3px solid #1f2937; overflow:hidden;
}
.screen-row{display:flex; justify-content:space-between; align-items:center; margin-bottom:.5rem;}
.screen-label{font-family:var(--font-mono); font-size:.62rem; letter-spacing:.1em; color:#5f7568;}
.screen-value.led{font-family:var(--font-mono); color:#FFA832; font-size:1.65rem; font-weight:700; text-shadow:0 0 10px rgba(255,168,50,.35);}
.screen-value.led-sm{font-size:1.1rem; color:#5fbf8f; text-shadow:0 0 8px rgba(95,191,143,.4);}
.denoms{display:grid; grid-template-columns:repeat(3,1fr); gap:.4rem; margin-top:.7rem;}
.denom{background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.08); border-radius:8px; padding:.4rem .3rem; text-align:center;}
.denom span{display:block; font-family:var(--font-mono); font-size:.66rem;}
.denom .d-val{color:#9fb0d4;}
.denom .d-count{color:#FFA832; font-weight:700; font-size:.85rem;}
.scanline{
  position:absolute; left:0; right:0; height:2px; background:linear-gradient(90deg, transparent, #FFA832, transparent);
  opacity:.6; animation:scan 2.6s linear infinite;
}
@keyframes scan{ 0%{top:0;} 100%{top:100%;} }
.device-bottom{display:flex; align-items:center; gap:.5rem; margin-top:.9rem; font-size:.72rem; color:var(--muted);}
.pulse-dot{width:8px; height:8px; border-radius:50%; background:#3ED598; box-shadow:0 0 0 0 rgba(62,213,152,.6); animation:pulse 1.8s infinite; flex-shrink:0;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(62,213,152,.55);}
  70%{box-shadow:0 0 0 8px rgba(62,213,152,0);}
  100%{box-shadow:0 0 0 0 rgba(62,213,152,0);}
}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr; text-align:center;}
  .hero-sub{margin-left:auto; margin-right:auto;}
  .hero-actions{justify-content:center;}
  .hero-trust{justify-content:center;}
  .hero-visual{margin-top:1.5rem;}
}
@media (max-width:480px){
  .hero{padding:36px 0 48px;}
  .hero-actions{flex-direction:column; align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .device{max-width:100%;}
}

/* ---------- ABOUT ---------- */
.about{padding:64px 0; background:#fff;}
.about-grid{display:grid; grid-template-columns:.8fr 1.2fr; gap:2.5rem; align-items:center;}
.about-media{position:relative;}
.about-frame{
  background:var(--blue-soft); border-radius:20px; padding:2.5rem; display:flex; align-items:center; justify-content:center;
}
.about-logo{width:130px; border-radius:50%; background:#fff; box-shadow:0 10px 24px -10px rgba(30,41,59,.25);}
.about-stat-card{
  position:absolute; bottom:-20px; right:-14px; background:#fff; border-radius:14px; padding:1rem 1.2rem;
  box-shadow:0 15px 30px -10px rgba(30,41,59,.2); max-width:190px; border:1px solid var(--line);
}
.about-stat-card .mono{color:var(--orange-dark); font-size:1.6rem; font-weight:700; display:block; font-family:var(--font-display);}
.about-stat-card p{margin:.3rem 0 0; font-size:.8rem; color:var(--muted);}
.about-copy h2{font-size:clamp(1.5rem,2.6vw,2.1rem); margin-bottom:1rem; color:var(--ink);}
.about-facts{margin-top:1.4rem; display:grid; grid-template-columns:1fr 1fr; gap:.9rem;}
.about-facts li{display:flex; flex-direction:column; border-left:3px solid var(--blue); padding-left:.8rem;}
.about-facts span{font-size:.72rem; text-transform:uppercase; letter-spacing:.04em; color:var(--muted);}
.about-facts strong{font-size:.95rem;}

@media (max-width:860px){
  .about-grid{grid-template-columns:1fr;}
  .about-media{margin-bottom:2.5rem; max-width:320px; margin-left:auto; margin-right:auto;}
}

/* ---------- PRODUCTS (homepage teaser grid) ---------- */
.products{padding:64px 0; background:var(--bg-soft);}
.products h2{font-size:clamp(1.5rem,2.6vw,2.1rem); max-width:680px; margin:0 auto .6rem; color:var(--ink);}
.products-sub{color:var(--muted); max-width:520px; margin:0 auto 2.5rem; font-size:.95rem;}
.product-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:1rem;}
.product-card{
  background:#fff; border-radius:var(--radius); overflow:hidden; border:1px solid var(--line);
  transition:transform .2s ease, box-shadow .2s ease; display:flex; flex-direction:column;
}
.product-card:hover{transform:translateY(-5px); box-shadow:0 16px 30px -18px rgba(30,41,59,.25);}
.product-card .product-thumb{
  aspect-ratio:1/1; width:100%; background:#fff; display:flex; align-items:center; justify-content:center;
  border-bottom:1px solid var(--line); overflow:hidden;
}
.product-card .product-thumb img{width:100%; height:100%; object-fit:contain;}
.product-card .product-name{
  padding:.85rem .9rem .5rem; font-size:.82rem; font-weight:600; color:var(--ink); line-height:1.35; flex:1;
}
.product-card .product-link{
  display:flex; align-items:center; justify-content:space-between; gap:.4rem;
  padding:.6rem .9rem; font-size:.72rem; font-weight:700; text-transform:uppercase; letter-spacing:.02em;
  color:var(--blue); border-top:1px solid var(--line);
}
.product-card:hover .product-link{color:var(--orange-dark);}

.products-cta{text-align:center; margin-top:2.2rem;}

@media (max-width:1100px){ .product-grid{grid-template-columns:repeat(4,1fr);} }
@media (max-width:820px){ .product-grid{grid-template-columns:repeat(3,1fr);} }
@media (max-width:600px){ .product-grid{grid-template-columns:repeat(2,1fr); gap:.7rem;} }

/* ---------- WHY US ---------- */
.why{padding:64px 0; background:#fff;}
.why h2{font-size:clamp(1.5rem,2.6vw,2.1rem); max-width:600px; margin:0 auto 2.5rem; color:var(--ink);}
.why-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1.1rem;}
.why-card{background:var(--bg-soft); border:1px solid var(--line); border-radius:var(--radius); padding:1.5rem 1.3rem;}
.why-num{font-family:var(--font-mono); color:var(--blue); font-size:.78rem; margin-bottom:.6rem; display:block; font-weight:700;}
.why-card h3{font-size:1rem; margin-bottom:.5rem; color:var(--ink);}
.why-card p{font-size:.85rem; color:var(--muted); margin:0;}
@media (max-width:960px){ .why-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .why-grid{grid-template-columns:1fr;} }

/* ---------- BRANDS ---------- */
.brands{background:#fff; padding:36px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.brands-inner{display:flex; align-items:center; justify-content:center; gap:1.6rem; flex-wrap:wrap;}
.brands-label{font-size:.8rem; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); font-weight:600;}
.brand-pills{display:flex; gap:.7rem; flex-wrap:wrap;}
.brand-pills span{
  font-family:var(--font-display); font-weight:700; letter-spacing:.02em; color:var(--blue);
  background:var(--blue-soft); border-radius:999px; padding:.45rem 1.2rem; font-size:.85rem;
}

/* ---------- REVIEWS ---------- */
.reviews{padding:64px 0; background:var(--bg-soft2);}
.reviews h2{font-size:clamp(1.5rem,2.6vw,2.1rem); max-width:640px; margin:0 auto 2.5rem; color:var(--ink);}
.rating-summary{
  display:grid; grid-template-columns:auto 1fr 1fr; gap:2rem; align-items:center;
  background:#fff; border-radius:var(--radius); padding:1.8rem; margin-bottom:2.5rem; border:1px solid var(--line);
}
.rating-score{text-align:center;}
.rating-score .big{font-size:2.5rem; color:var(--ink); display:block; font-weight:700; font-family:var(--font-display);}
.stars{color:var(--orange); letter-spacing:.08em;}
.stars.small{font-size:.85rem;}
.bar-row{display:grid; grid-template-columns:30px 1fr 36px; align-items:center; gap:.6rem; font-size:.78rem; margin-bottom:.42rem; color:var(--muted);}
.bar{background:var(--line); border-radius:999px; height:7px; overflow:hidden;}
.bar i{display:block; height:100%; background:var(--blue); border-radius:999px;}
.rating-satisfaction > div{margin-bottom:.7rem;}
.rating-satisfaction span{font-size:.78rem; color:var(--muted); display:block; margin-bottom:.25rem;}
@media (max-width:800px){ .rating-summary{grid-template-columns:1fr;} }

.review-cards{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem;}
.review-card{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:1.2rem 1.2rem 1rem;}
.review-card--low{opacity:.85;}
.review-head{display:flex; align-items:center; gap:.7rem; margin-bottom:.5rem;}
.review-head div{display:flex; flex-direction:column; flex:1; min-width:0;}
.avatar{width:36px; height:36px; border-radius:50%; background:var(--blue); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-family:var(--font-display); flex-shrink:0;}
.review-product{font-size:.83rem; color:var(--ink); margin:0; font-weight:500;}
.review-date{font-family:var(--font-mono); font-size:.7rem; color:var(--muted); margin:.35rem 0 0;}
.reviews-note{text-align:center; font-size:.82rem; color:var(--muted); margin-top:1.6rem;}
@media (max-width:900px){ .review-cards{grid-template-columns:1fr 1fr;} }
@media (max-width:600px){ .review-cards{grid-template-columns:1fr;} }

/* ---------- CONTACT ---------- */
.contact{padding:64px 0; background:#fff;}
.contact-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:2.5rem;}
.contact-info h2{font-size:clamp(1.4rem,2.4vw,1.9rem); margin-bottom:1rem; color:var(--ink);}
.contact-list{margin:1.6rem 0;}
.contact-list li{display:flex; gap:1rem; margin-bottom:1.2rem;}
.contact-ico{font-size:1.3rem;}
.contact-list strong{display:block; margin-bottom:.2rem;}
.contact-list p{color:var(--muted); font-size:.9rem; margin:0;}
.contact-list a{color:var(--blue); font-weight:700;}
.map-frame{border-radius:var(--radius); overflow:hidden; border:1px solid var(--line);}

.contact-form{background:var(--bg-soft); border:1px solid var(--line); border-radius:var(--radius); padding:1.8rem;}
.contact-form h3{margin-bottom:1.3rem; font-size:1.15rem; color:var(--ink);}
.form-row{margin-bottom:1rem; display:flex; flex-direction:column; gap:.4rem;}
.form-row-split{display:grid; grid-template-columns:1fr 1fr; gap:1rem;}
.form-row label{font-size:.8rem; color:var(--muted); font-weight:600;}
.form-row input, .form-row select, .form-row textarea{
  background:#fff; border:1.5px solid var(--line); border-radius:9px; padding:.75rem .9rem;
  color:var(--ink); font-family:var(--font-body); font-size:.92rem; outline:none; transition:border-color .15s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{border-color:var(--blue);}
.form-status{min-height:1.2rem; font-size:.85rem; margin-top:.8rem; font-weight:600;}
.form-status.ok{color:var(--green-dark);}
.form-status.err{color:#DC2626;}
@media (max-width:860px){ .contact-grid{grid-template-columns:1fr;} .form-row-split{grid-template-columns:1fr;} }

/* ---------- FOOTER ---------- */
.footer{background:var(--bg-soft); color:var(--muted); padding:56px 0 20px; border-top:1px solid var(--line);}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:2rem;}
.brand-footer{margin-bottom:1rem;}
.brand-text.light strong{color:var(--ink);}
.brand-text.light em{color:var(--muted);}
.footer-tagline{font-size:.85rem; max-width:32ch;}
.footer h4{color:var(--ink); font-size:.85rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom:1rem;}
.footer a{display:block; font-size:.88rem; margin-bottom:.6rem; color:var(--muted);}
.footer a:hover{color:var(--blue);}
.footer-bottom{
  margin-top:2.5rem; padding-top:1.4rem; border-top:1px solid var(--line);
  display:flex; justify-content:space-between; font-size:.78rem; flex-wrap:wrap; gap:.5rem;
}
@media (max-width:800px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:520px){ .footer-grid{grid-template-columns:1fr;} }

/* ---------- WHATSAPP FLOAT (LEFT SIDE) ---------- */
.whatsapp-float{
  position:fixed; left:18px; bottom:20px; z-index:60;
  width:56px; height:56px; border-radius:50%; background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center; box-shadow:0 10px 25px rgba(37,211,102,.45);
  transition:transform .2s ease;
}
.whatsapp-float:hover{transform:scale(1.08);}
.whatsapp-ring{
  position:absolute; inset:0; border-radius:50%; border:2px solid #25D366; opacity:.7;
  animation:ripple 2.2s ease-out infinite;
}
.whatsapp-ring--delay{animation-delay:1.1s;}
@keyframes ripple{
  0%{transform:scale(1); opacity:.6;}
  100%{transform:scale(1.9); opacity:0;}
}

/* ---------- SCROLL TOP ---------- */
.scroll-top{
  position:fixed; right:18px; bottom:20px; z-index:60; width:44px; height:44px; border-radius:50%;
  background:#fff; color:var(--blue); border:1px solid var(--line); font-size:1.1rem; cursor:pointer;
  box-shadow:0 10px 25px -12px rgba(30,41,59,.35);
  opacity:0; pointer-events:none; transition:opacity .2s ease, transform .2s ease;
}
.scroll-top.visible{opacity:1; pointer-events:auto;}
.scroll-top:hover{transform:translateY(-3px);}