/* ============ SunRise — tech theme ============ */
:root{
  --bg:#050d1a;
  --bg2:#081426;
  --panel:rgba(255,255,255,.04);
  --line:rgba(141,198,63,.22);
  --green:#8dc63f;
  --green2:#5aa02c;
  --orange:#f7a823;
  --blue:#3f6fb5;
  --text:#e8f0f8;
  --muted:#9db2c4;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter','Noto Sans SC',system-ui,sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Space Grotesk','Noto Sans SC',sans-serif;line-height:1.15}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin:0 auto}
.section{padding:110px 0;position:relative}
.section.alt{
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(63,111,181,.14), transparent 60%),
    radial-gradient(800px 400px at 0% 110%, rgba(141,198,63,.10), transparent 60%),
    var(--bg2);
}

/* ---------- type helpers ---------- */
.kicker{
  font-family:'Space Grotesk',sans-serif;
  letter-spacing:.35em;font-size:.78rem;text-transform:uppercase;
  color:var(--green);margin-bottom:14px;
}
h2{font-size:clamp(1.9rem,4vw,2.9rem);margin-bottom:22px}
.lead{color:var(--muted);max-width:640px;font-size:1.06rem}
.grad{
  background:linear-gradient(92deg,var(--green) 0%,#d6e84f 45%,var(--orange) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- nav ---------- */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s,box-shadow .35s,border-color .35s;
  border-bottom:1px solid transparent;
}
#nav.scrolled{
  background:rgba(5,13,26,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  width:min(1280px,94%);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.nav-logo img{height:44px;display:block}
.nav-links{display:flex;align-items:center;gap:34px;font-size:.94rem}
.nav-links a{color:var(--muted);transition:color .25s;position:relative}
.nav-links a:hover{color:#fff}
.nav-links a.nav-cta{
  color:#06121f;background:linear-gradient(92deg,var(--green),#b8dd55);
  padding:10px 22px;border-radius:999px;font-weight:600;
}
.nav-links a.nav-cta:hover{box-shadow:0 0 24px rgba(141,198,63,.45);color:#06121f}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.3s}

/* ---------- hero ---------- */
#hero{
  min-height:100vh;position:relative;display:flex;align-items:center;
  background:
    radial-gradient(1200px 600px at 75% 20%, rgba(63,111,181,.18), transparent 55%),
    radial-gradient(900px 500px at 10% 80%, rgba(141,198,63,.08), transparent 55%),
    linear-gradient(180deg,#071223 0%,#050d1a 100%);
  overflow:hidden;
}
#stars{position:absolute;inset:0;width:100%;height:100%}
.hero-inner{
  position:relative;z-index:2;
  width:min(1280px,92%);margin:0 auto;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;
  align-items:center;padding:130px 0 140px;
}
.hero-eyebrow{
  font-family:'Space Grotesk',sans-serif;font-size:.75rem;letter-spacing:.3em;
  color:var(--orange);margin-bottom:22px;
}
#hero h1{font-size:clamp(2.4rem,5.2vw,4.1rem);font-weight:700;margin-bottom:22px}
.hero-sub{color:var(--muted);font-size:1.12rem;max-width:560px;margin-bottom:34px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:34px}
.btn{
  display:inline-block;padding:14px 30px;border-radius:999px;
  font-weight:600;font-size:.98rem;transition:.3s;font-family:'Space Grotesk',sans-serif;
}
.btn-primary{
  background:linear-gradient(92deg,var(--green),#b8dd55);color:#06121f;
  box-shadow:0 8px 30px rgba(141,198,63,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 38px rgba(141,198,63,.45)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap}
.hero-chips span{
  font-size:.8rem;color:var(--muted);
  border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:6px 14px;
  background:rgba(255,255,255,.03);
}

/* hero orbit visual */
.hero-visual{display:flex;justify-content:center}
.orbit-scene{position:relative;width:420px;height:420px}
.orbit-ring{
  position:absolute;top:50%;left:50%;border-radius:50%;
  border:1px dashed rgba(157,178,196,.30);
  transform:translate(-50%,-50%);
}
.r1{width:170px;height:170px}
.r2{width:280px;height:280px;border-color:rgba(141,198,63,.35)}
.r3{width:400px;height:400px}
.earth{
  position:absolute;top:50%;left:50%;width:120px;height:120px;border-radius:50%;
  transform:translate(-50%,-50%);
  background:
    radial-gradient(circle at 32% 30%, #4d8f4d 0 18%, transparent 19%),
    radial-gradient(circle at 68% 62%, #3f7d3f 0 22%, transparent 23%),
    radial-gradient(circle at 30% 70%, #356b35 0 15%, transparent 16%),
    radial-gradient(circle at 30% 30%, #1d4e89 0%, #0e2c52 70%);
  box-shadow:0 0 60px rgba(63,111,181,.55), inset -14px -14px 30px rgba(0,0,0,.5);
}
.sat-orbit{
  position:absolute;top:50%;left:50%;width:280px;height:280px;
  transform:translate(-50%,-50%);
  animation:spin 14s linear infinite;
}
.sat{width:52px;height:52px;position:absolute;top:-26px;left:50%;transform:translateX(-50%);
  filter:drop-shadow(0 0 8px rgba(247,168,35,.7));}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.beam{
  position:absolute;top:62%;left:58%;width:2px;height:110px;
  background:linear-gradient(180deg,rgba(141,198,63,.9),transparent);
  transform:rotate(24deg);transform-origin:top;
  animation:beamPulse 3s ease-in-out infinite;
}
@keyframes beamPulse{0%,100%{opacity:.25}50%{opacity:1}}
.gnd{
  position:absolute;width:12px;height:12px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 0 rgba(141,198,63,.6);
  animation:ping 2.4s infinite;
}
.g1{top:72%;left:44%}
.g2{top:80%;left:66%;animation-delay:.8s}
.g3{top:68%;left:78%;animation-delay:1.6s}
@keyframes ping{
  0%{box-shadow:0 0 0 0 rgba(141,198,63,.55)}
  70%{box-shadow:0 0 0 16px rgba(141,198,63,0)}
  100%{box-shadow:0 0 0 0 rgba(141,198,63,0)}
}

/* field strip */
.field-strip{
  position:absolute;left:0;right:0;bottom:0;height:110px;z-index:1;
  background:linear-gradient(180deg,transparent,rgba(20,45,25,.85));
}
.field-strip .rows{
  position:absolute;inset:0;
  background:
    repeating-linear-gradient(105deg, rgba(141,198,63,.16) 0 3px, transparent 3px 34px),
    linear-gradient(180deg,transparent 0%,rgba(90,160,44,.25) 100%);
  mask-image:linear-gradient(180deg,transparent,#000 70%);
}
.scanline{
  position:absolute;top:0;bottom:0;width:140px;
  background:linear-gradient(90deg,transparent,rgba(214,232,79,.30),transparent);
  animation:scan 6s linear infinite;
}
@keyframes scan{0%{left:-15%}100%{left:105%}}
.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;
  width:26px;height:42px;border:2px solid rgba(255,255,255,.4);border-radius:14px;
}
.scroll-hint span{
  position:absolute;top:7px;left:50%;width:4px;height:8px;margin-left:-2px;
  background:var(--green);border-radius:2px;animation:wheel 1.6s infinite;
}
@keyframes wheel{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(12px)}}

/* ---------- marquee ---------- */
.marquee{
  background:linear-gradient(92deg,rgba(141,198,63,.14),rgba(247,168,35,.10));
  border-block:1px solid rgba(255,255,255,.08);
  overflow:hidden;white-space:nowrap;padding:14px 0;
}
.marquee-track{display:inline-flex;align-items:center;gap:26px;animation:marquee 30s linear infinite}
.marquee-track span{
  font-family:'Space Grotesk',sans-serif;font-size:.82rem;letter-spacing:.22em;color:var(--muted);
}
.marquee-track i{color:var(--orange);font-style:normal;font-size:.6rem}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- mission ---------- */
.mission-grid{display:grid;grid-template-columns:340px 1fr;gap:70px;align-items:center}
.vertical-logo{
  width:100%;max-width:320px;margin:0 auto;display:block;
  filter:drop-shadow(0 0 40px rgba(141,198,63,.25));
}
.mv-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 30px;margin-top:22px;position:relative;overflow:hidden;
}
.mv-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--green),var(--orange));
}
.mv-tag{
  font-family:'Space Grotesk',sans-serif;font-size:.75rem;letter-spacing:.28em;
  color:var(--green);margin-bottom:10px;
}
.mv-tag span{color:var(--muted);letter-spacing:.14em;margin-left:8px}
.mv-en{font-size:1.14rem;font-weight:500;margin-bottom:6px}
.mv-cn{color:var(--muted);font-size:.95rem}

/* ---------- solutions ---------- */
.sol-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:50px}
.sol-card{
  background:var(--panel);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius);padding:40px 36px;position:relative;
  transition:transform .35s,border-color .35s,box-shadow .35s;
  overflow:hidden;
}
.sol-card::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  background:radial-gradient(500px 200px at 80% 0%, rgba(141,198,63,.10), transparent 60%);
  opacity:0;transition:opacity .35s;
}
.sol-card:hover{transform:translateY(-6px);border-color:var(--line);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.sol-card:hover::after{opacity:1}
.sol-icon{width:72px;height:72px;border-radius:16px;background:rgba(141,198,63,.10);
  display:flex;align-items:center;justify-content:center;margin-bottom:24px}
.sol-icon svg{width:46px;height:46px}
.sol-card h3{font-size:1.35rem;margin-bottom:18px}
.sol-card h3 br+ *{}
.sol-card ul{list-style:none}
.sol-card li{
  color:var(--muted);padding:9px 0 9px 26px;position:relative;
  border-bottom:1px solid rgba(255,255,255,.06);font-size:.97rem;
}
.sol-card li:last-child{border-bottom:0}
.sol-card li::before{
  content:"";position:absolute;left:2px;top:16px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--green),var(--orange));
}
.platform-band{
  margin-top:30px;border-radius:var(--radius);padding:34px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  background:linear-gradient(92deg,rgba(63,111,181,.20),rgba(141,198,63,.12));
  border:1px solid rgba(255,255,255,.10);
}
.platform-band h3{margin-bottom:6px}
.platform-band p{color:var(--muted);max-width:560px}
.platform-dots{display:flex;gap:14px}
.platform-dots span{
  width:14px;height:14px;border-radius:50%;background:var(--green);
  animation:dotwave 1.4s ease-in-out infinite;
}
.platform-dots span:nth-child(2){animation-delay:.15s;background:var(--orange)}
.platform-dots span:nth-child(3){animation-delay:.3s}
.platform-dots span:nth-child(4){animation-delay:.45s;background:var(--orange)}
.platform-dots span:nth-child(5){animation-delay:.6s}
@keyframes dotwave{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(-9px);opacity:1}}

/* ---------- how ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:50px}
.step{
  background:var(--panel);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);padding:32px 26px;position:relative;
  transition:border-color .3s,transform .3s;
}
.step:hover{border-color:var(--line);transform:translateY(-5px)}
.step-num{
  font-family:'Space Grotesk',sans-serif;font-size:2.6rem;font-weight:700;
  background:linear-gradient(180deg,var(--green),rgba(141,198,63,.15));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;
}
.step h4{margin-bottom:10px;font-size:1.08rem}
.step p{color:var(--muted);font-size:.93rem}

/* ---------- values ---------- */
.values-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:50px}
.value-card{
  background:var(--panel);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);padding:30px 22px;text-align:center;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.value-card:hover{transform:translateY(-6px);border-color:var(--line);
  box-shadow:0 16px 44px rgba(0,0,0,.35)}
.v-letter{
  font-family:'Space Grotesk',sans-serif;font-size:2.7rem;font-weight:700;
  width:78px;height:78px;line-height:78px;margin:0 auto 18px;border-radius:50%;
  background:linear-gradient(135deg,rgba(141,198,63,.22),rgba(247,168,35,.22));
  border:1px solid var(--line);
  background-clip:padding-box;
}
.v-letter{
  background:linear-gradient(135deg,rgba(141,198,63,.22),rgba(247,168,35,.22));
  -webkit-background-clip:border-box;
}
.v-letter{
  color:var(--green);
}
.value-card h4{font-size:1.02rem;margin-bottom:4px}
.value-card h4 span{display:block;font-weight:300;font-size:.85rem;color:var(--orange);margin-top:2px}
.value-card p{color:var(--muted);font-size:.87rem;margin-top:12px}

/* ---------- cta band ---------- */
.cta-band{
  text-align:center;padding:110px 0;position:relative;overflow:hidden;
  background:
    radial-gradient(800px 400px at 50% 120%, rgba(141,198,63,.16), transparent 65%),
    var(--bg);
}
.cta-slogan{font-family:'Space Grotesk',sans-serif;font-size:clamp(1.5rem,3.4vw,2.4rem);
  font-weight:600;max-width:820px;margin:0 auto 10px;
  background:linear-gradient(92deg,#fff,#cfe3a0);
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.cta-slogan-cn{color:var(--muted);margin-bottom:34px;font-family:'Noto Sans SC',sans-serif}

/* ---------- footer ---------- */
footer{background:#040a14;border-top:1px solid rgba(255,255,255,.07);padding:70px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr .8fr;gap:50px;padding-bottom:50px}
.foot-logo{height:52px;margin-bottom:18px}
.foot-logo.stacked{height:110px;margin-bottom:14px}
.foot-tag{color:var(--muted);max-width:340px;font-size:.94rem}
.foot-col h5{
  font-family:'Space Grotesk',sans-serif;letter-spacing:.2em;font-size:.8rem;
  text-transform:uppercase;color:var(--green);margin-bottom:16px;
}
.foot-col p,.foot-col a{color:var(--muted);font-size:.94rem;display:block;margin-bottom:8px}
.foot-col a:hover{color:#fff}
.foot-base{
  border-top:1px solid rgba(255,255,255,.06);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:22px 0;color:#5f7285;font-size:.82rem;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .hero-inner{grid-template-columns:1fr;padding:150px 0 160px}
  .hero-visual{display:none}
  .mission-grid{grid-template-columns:1fr;gap:40px}
  .vertical-logo{max-width:230px}
  .sol-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .values-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .nav-links{
    position:fixed;inset:76px 0 auto 0;flex-direction:column;gap:0;
    background:rgba(5,13,26,.97);backdrop-filter:blur(16px);
    display:none;padding:10px 0 22px;border-bottom:1px solid rgba(255,255,255,.1);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 8%;width:100%}
  .nav-links a.nav-cta{margin:12px 8% 0;width:auto;text-align:center}
  .burger{display:block}
  .steps{grid-template-columns:1fr}
  .values-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .platform-band{flex-direction:column;text-align:center}
}

/* ===== nav right (lang + burger) ===== */
.nav-right{display:flex;align-items:center;gap:16px}
.lang select{
  background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:8px 14px;font-family:'Inter',sans-serif;font-size:.85rem;
  cursor:pointer;outline:none;
}
.lang select:hover{border-color:var(--green)}
.lang select option{background:#0a1628;color:#fff}

/* ===== hero background image ===== */
.hero-bg{position:absolute;inset:0;z-index:1;opacity:.28;pointer-events:none;
  -webkit-mask-image:radial-gradient(820px 520px at 78% 38%,#000,transparent 75%);
  mask-image:radial-gradient(820px 520px at 78% 38%,#000,transparent 75%);}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:78% 40%}

/* ===== solution media images ===== */
.sol-media{position:relative;height:200px;overflow:hidden;border-radius:14px;margin-bottom:24px}
.sol-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.sol-card:hover .sol-media img{transform:scale(1.06)}
.sol-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,22,40,0) 40%,rgba(10,22,40,.55) 100%)}
.sol-card{padding-top:30px}
.sol-card .sol-icon{margin-bottom:18px}

/* ===== contact / inquiry form ===== */
.contact-section{background:linear-gradient(180deg,var(--bg),var(--bg2))}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-direct{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1)}
.contact-direct .direct-link{color:var(--green);font-weight:600;font-size:1.05rem}
.contact-direct p{color:var(--muted);margin-top:8px}
.inquiry-form{
  background:var(--panel);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);padding:34px 32px;
}
.field{margin-bottom:20px}
.field label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:8px;letter-spacing:.02em}
.field input,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.16);
  border-radius:12px;padding:13px 15px;color:#fff;font-family:'Inter',sans-serif;font-size:.98rem;
  transition:border-color .25s,box-shadow .25s;resize:vertical;
}
.field input:focus,.field textarea:focus{
  border-color:var(--green);outline:none;box-shadow:0 0 0 3px rgba(141,198,63,.18);
}
.field input.invalid,.field textarea.invalid{border-color:#ff6b6b;box-shadow:0 0 0 3px rgba(255,107,107,.18)}
.submit-btn{width:100%;margin-top:6px;font-size:1rem;cursor:pointer;border:0}
.form-msg{margin-top:16px;font-size:.92rem;min-height:1.2em}
.form-msg.ok{color:var(--green)}
.form-msg.err{color:#ff8a8a}

/* ===== RTL (Arabic) ===== */
html[dir="rtl"] body{direction:rtl}
html[dir="rtl"] .hero-eyebrow,html[dir="rtl"] .kicker{letter-spacing:0}
html[dir="rtl"] .nav-links{direction:rtl}
html[dir="rtl"] .field label{text-align:right}
@media (max-width:1020px){
  .contact-grid{grid-template-columns:1fr;gap:36px}
}
@media (max-width:640px){
  .nav-right{gap:10px}
  .lang select{padding:7px 10px}
  .inquiry-form{padding:26px 20px}
}