/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans SC',sans-serif;background:#020d1c;color:#ddeeff;line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}
section{position:relative}

/* ===== CSS VARIABLES ===== */
:root{
  --bg:#020d1c;
  --bg-alt:#040f22;
  --card:#071428;
  --card-hover:#0a1f3d;
  --accent:#00c8ff;
  --accent-dim:rgba(0,200,255,0.1);
  --accent-mid:rgba(0,200,255,0.2);
  --accent-border:rgba(0,200,255,0.15);
  --text:#ffffff;
  --text-muted:#7ab0d4;
  --text-dim:#0e2040;
  --danger:#ff3355;
  --font-heading:'Barlow Condensed',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --font-body:'Noto Sans SC',sans-serif;
  --radius:0.625rem;
}

/* ===== UTILITY CLASSES ===== */
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section-py{padding:96px 0}
.text-accent{color:var(--accent)}
.text-muted{color:var(--text-muted)}
.text-white{color:var(--text)}
.font-heading{font-family:var(--font-heading)}
.font-mono{font-family:var(--font-mono)}
.font-body{font-family:var(--font-body)}

/* ===== GRID BACKGROUND ===== */
.grid-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.grid-bg::before{
  content:'';
  position:absolute;inset:0;opacity:.04;
  background-image:linear-gradient(#00c8ff 1px,transparent 1px),linear-gradient(90deg,#00c8ff 1px,transparent 1px);
  background-size:60px 60px;
}
.grid-bg::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(to bottom,transparent,transparent,#020d1c);
}

/* ===== FADE IN ANIMATION ===== */
.fade-in{
  opacity:0;transform:translateY(32px);
  transition:opacity .6s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1);
}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== NAV ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:all .3s;
}
.nav.scrolled{
  background:rgba(2,13,28,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(0,200,255,.1);
  box-shadow:0 4px 24px rgba(0,0,0,.4);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 24px;
  height:64px;display:flex;align-items:center;justify-content:center;
  position:relative;
}
.nav-logo{position:absolute;left:24px;display:flex;align-items:center;gap:12px}
.nav-logo-icon{
  width:32px;height:32px;border-radius:4px;
  background:rgba(0,200,255,.1);border:1px solid rgba(0,200,255,.4);
  display:flex;align-items:center;justify-content:center;
}
.nav-logo-icon-inner{
  width:16px;height:16px;border:2px solid var(--accent);border-radius:2px;transform:rotate(45deg);
}
.nav-logo-text{line-height:1}
.nav-logo-title{color:var(--accent);font-weight:700;font-size:14px;letter-spacing:.05em;font-family:var(--font-heading)}
.nav-logo-sub{color:var(--text-muted);font-size:10px;letter-spacing:.15em;margin-top:1px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 16px;font-size:13px;color:var(--text-muted);
  transition:color .2s;letter-spacing:.025em;font-family:var(--font-body);
  border-radius:6px;
}
.nav-links a:hover{color:var(--accent)}
.nav-cta-btn{
  position:absolute;right:24px;
  padding:8px 20px;background:var(--accent);color:var(--bg);
  font-size:13px;font-weight:700;border-radius:6px;letter-spacing:.025em;
  transition:all .2s;font-family:var(--font-body);
}
.nav-cta-btn:hover{background:#fff}
.nav-toggle{display:none;color:var(--text-muted);font-size:24px;line-height:1}
.nav-mobile{
  display:none;background:#071428;border-top:1px solid rgba(0,200,255,.1);
  padding:16px 24px;flex-direction:column;gap:12px;
}
.nav-mobile a{
  color:var(--text-muted);font-size:14px;padding:8px 0;
  border-bottom:1px solid rgba(0,200,255,.05);letter-spacing:.025em;
}
.nav-mobile a:hover{color:var(--accent)}
.nav-mobile-cta-wrap{padding:8px 0 0;border-top:1px solid rgba(0,200,255,.1)}
.nav-mobile-cta{
  width:100%;padding:10px;text-align:center;
  background:var(--accent);color:var(--bg);font-size:13px;font-weight:700;
  border-radius:6px;letter-spacing:.025em;transition:all .2s;font-family:var(--font-body);
}
.nav-mobile-cta:hover{background:#fff}

@media(max-width:1024px){
  .nav-links{display:none}
  .nav-inner>.nav-cta-btn{display:none}
  .nav-toggle{display:block;position:absolute;right:24px}
  .nav-mobile.open{display:flex}
}

/* ===== HERO ===== */
.hero{
  position:relative;min-height:100vh;display:flex;
  flex-direction:column;align-items:center;justify-content:center;
  overflow:hidden;padding-top:64px;
}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.2}
.hero-bg-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to bottom,rgba(2,13,28,.6),rgba(2,13,28,.4),#020d1c);
}
.hero-scan-line{
  position:absolute;inset:0;pointer-events:none;overflow:hidden;
}
.hero-scan-line-inner{
  position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(to right,transparent,rgba(0,200,255,.4),transparent);
  animation:scanDown 4s linear infinite;
}
@keyframes scanDown{
  0%{top:0}100%{top:100%}
}
.hero-content{
  position:relative;z-index:10;max-width:1152px;margin:0 auto;padding:0 24px;text-align:center;
}
.hero-title{
  font-size:clamp(48px,8vw,96px);font-weight:900;line-height:1;letter-spacing:-.02em;
  color:#fff;margin-bottom:16px;font-family:var(--font-heading);
  opacity:0;transform:translateY(24px);
  animation:fadeUp .8s .1s ease forwards;
}
.hero-subtitle{
  font-size:clamp(24px,4vw,40px);font-weight:700;color:var(--accent);
  margin-bottom:24px;font-family:var(--font-body);
  opacity:0;transform:translateY(24px);
  animation:fadeUp .8s .2s ease forwards;
}
.hero-desc{
  max-width:768px;margin:0 auto 40px;
  font-size:clamp(15px,1.8vw,18px);color:var(--text-muted);line-height:1.8;
  font-family:var(--font-body);
  opacity:0;transform:translateY(16px);
  animation:fadeUp .8s .3s ease forwards;
}
.hero-desc strong{color:#fff;font-weight:500}
.hero-actions{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
  opacity:0;transform:translateY(16px);
  animation:fadeUp .8s .4s ease forwards;
}
.hero-btn-primary{
  padding:14px 32px;background:var(--accent);color:var(--bg);
  font-weight:700;border-radius:6px;letter-spacing:.025em;
  display:flex;align-items:center;gap:8px;transition:all .2s;
  font-family:var(--font-body);
}
.hero-btn-primary:hover{background:#fff}
.hero-btn-primary svg{width:18px;height:18px}
.hero-btn-secondary{
  padding:14px 32px;border:1px solid rgba(0,200,255,.4);color:var(--accent);
  font-weight:700;border-radius:6px;letter-spacing:.025em;
  transition:all .2s;font-family:var(--font-body);
}
.hero-btn-secondary:hover{background:rgba(0,200,255,.1)}

@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}

/* ===== STATS BAR ===== */
.hero-stats{
  position:relative;z-index:10;margin-top:80px;width:100%;
  max-width:1024px;margin-left:auto;margin-right:auto;padding:0 24px;
  opacity:0;transform:translateY(24px);
  animation:fadeUp .8s .6s ease forwards;
}
.hero-stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(0,200,255,.1);border-radius:12px;overflow:hidden;
  border:1px solid rgba(0,200,255,.1);
}
.hero-stat{
  background:var(--card);padding:20px 16px;
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.hero-stat-num{font-size:clamp(24px,4vw,40px);font-weight:900;color:var(--accent);font-family:var(--font-heading)}
.hero-stat-label{color:var(--text-muted);font-size:12px;margin-top:4px;letter-spacing:.025em}
@media(max-width:768px){
  .hero-stats-grid{grid-template-columns:repeat(2,1fr)}
}

/* ===== SECTION HEADERS ===== */
.section-label{
  color:var(--accent);font-size:12px;letter-spacing:.3em;margin-bottom:12px;
  font-weight:500;font-family:var(--font-mono);
}
.section-title{
  font-size:clamp(30px,5vw,48px);font-weight:900;color:#fff;margin-bottom:16px;
  font-family:var(--font-heading);line-height:1.2;
}
.section-desc{
  color:var(--text-muted);max-width:672px;margin:0 auto;font-size:14px;line-height:1.8;
  font-family:var(--font-body);
}

/* ===== PAIN POINTS ===== */
.pain-points{background:linear-gradient(to bottom,#020d1c,#040f22,#020d1c)}
.pain-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.pain-card{
  position:relative;padding:24px;border-radius:12px;
  border:1px solid rgba(0,200,255,.1);background:var(--card);
  transition:all .3s;
}
.pain-card:hover{border-color:rgba(0,200,255,.3);background:var(--card-hover)}
.pain-card-line{
  position:absolute;top:0;left:0;width:64px;height:2px;
  background:linear-gradient(to right,var(--danger),transparent);
  border-radius:12px 0 0 0;
}
.pain-card-icon{
  width:40px;height:40px;border-radius:8px;
  background:rgba(255,51,85,.1);border:1px solid rgba(255,51,85,.2);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  margin-bottom:12px;
}
.pain-card-icon svg{width:18px;height:18px;color:var(--danger)}
.pain-card h3{color:#fff;font-weight:700;font-size:15px;margin-bottom:6px;font-family:var(--font-body)}
.pain-card p{color:var(--text-muted);font-size:13px;line-height:1.7;font-family:var(--font-body)}
@media(max-width:1024px){.pain-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.pain-grid{grid-template-columns:1fr}}

/* ===== SOLUTION POSITIONING ===== */
.solution{overflow:hidden}
.solution-bg{position:absolute;inset:0}
.solution-bg img{width:100%;height:100%;object-fit:cover;opacity:.1}
.solution-bg-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to right,#020d1c,#020d1c,#020d1c,#020d1c)
}
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.solution-unified{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.solution-unified-item{
  display:flex;align-items:center;gap:8px;padding:10px 16px;
  border-radius:8px;border:1px solid rgba(0,200,255,.2);background:rgba(0,200,255,.05);
}
.solution-unified-item svg{width:14px;height:14px;color:var(--accent);flex-shrink:0}
.solution-unified-item span{color:#fff;font-size:14px;font-weight:500;font-family:var(--font-body)}
.solution-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.solution-stat-card{
  padding:20px;border-radius:12px;
  border:1px solid rgba(0,200,255,.15);background:var(--card);
}
.solution-stat-num{font-size:30px;font-weight:900;color:var(--accent);margin-bottom:4px;font-family:var(--font-heading)}
.solution-stat-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:4px;font-family:var(--font-body)}
.solution-stat-sub{color:var(--text-muted);font-size:12px;line-height:1.6;font-family:var(--font-body)}
@media(max-width:1024px){
  .solution-grid{grid-template-columns:1fr;gap:48px}
}
@media(max-width:640px){
  .solution-unified,.solution-stat-grid{grid-template-columns:1fr}
}

/* ===== ARCHITECTURE ===== */
.arch-list{display:flex;flex-direction:column;gap:8px}
.arch-btn{
  width:100%;text-align:left;border-radius:12px;border:1px solid rgba(0,200,255,.1);
  background:rgba(7,20,40,.5);transition:all .3s;overflow:hidden;
}
.arch-btn.active{border-color:rgba(0,200,255,.5);background:var(--card)}
.arch-btn:hover:not(.active){border-color:rgba(0,200,255,.25)}
.arch-btn-header{
  padding:16px 24px;display:flex;align-items:center;justify-content:space-between;
}
.arch-btn-left{display:flex;align-items:center;gap:16px}
.arch-btn-icon{
  width:36px;height:36px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.arch-btn-icon svg{width:16px;height:16px}
.arch-btn-label{font-size:10px;letter-spacing:.15em;color:var(--text-muted);display:block;margin-bottom:2px;font-family:var(--font-mono)}
.arch-btn-title{color:#fff;font-weight:700;font-size:14px;font-family:var(--font-body)}
.arch-btn-chevron{color:var(--text-muted);transition:transform .3s;flex-shrink:0}
.arch-btn-chevron svg{width:16px;height:16px}
.arch-btn.active .arch-btn-chevron{transform:rotate(90deg);color:var(--accent)}
.arch-btn-body{padding:0 24px 20px;display:none}
.arch-btn.active .arch-btn-body{display:block}
.arch-btn.active .arch-btn-header{background:rgba(0,200,255,.05)}
.arch-btn-divider{height:1px;background:rgba(0,200,255,.1);margin-bottom:16px}
.arch-tags{display:flex;flex-wrap:wrap;gap:8px}
.arch-tag{
  padding:6px 12px;border-radius:9999px;font-size:12px;
  border:1px solid rgba(0,200,255,.2);background:rgba(0,200,255,.05);
  color:#ddeeff;font-family:var(--font-body);
}

/* ===== MODULES ===== */
.modules{background:var(--bg-alt)}
.modules-grid{display:grid;grid-template-columns:1fr 2fr;gap:24px}
.modules-list{display:flex;flex-direction:column;gap:2px}
.module-btn{
  display:flex;align-items:center;gap:12px;padding:12px 16px;
  border-radius:8px;text-align:left;transition:all .2s;
  border:1px solid transparent;
}
.module-btn:hover{background:var(--card)}
.module-btn.active{background:rgba(0,200,255,.1);border-color:rgba(0,200,255,.3)}
.module-btn-num{
  font-size:18px;font-weight:900;width:32px;flex-shrink:0;
  font-family:var(--font-heading);
}
.module-btn-num.inactive{color:var(--text-dim)}
.module-btn-num.active{color:var(--accent)}
.module-btn-title{
  font-size:14px;font-weight:500;transition:color .2s;font-family:var(--font-body);
}
.module-btn-title.inactive{color:var(--text-muted)}
.module-btn-title.active{color:#fff}
.module-btn-chevron{margin-left:auto;color:var(--accent);flex-shrink:0}
.module-btn-chevron svg{width:14px;height:14px}
.module-detail{
  padding:32px;border-radius:16px;border:1px solid rgba(0,200,255,.2);
  background:var(--card);position:relative;overflow:hidden;min-height:320px;
}
.module-detail-glow{
  position:absolute;top:0;right:0;width:192px;height:192px;
  border-radius:50%;background:rgba(0,200,255,.03);filter:blur(48px);
}
.module-detail-line{
  position:absolute;top:0;left:0;width:128px;height:2px;
  background:linear-gradient(to right,var(--accent),transparent);
}
.module-detail-header{display:flex;align-items:center;gap:16px;margin-bottom:24px;position:relative}
.module-detail-icon{
  width:56px;height:56px;border-radius:12px;
  background:rgba(0,200,255,.1);border:1px solid rgba(0,200,255,.2);
  display:flex;align-items:center;justify-content:center;
}
.module-detail-icon svg{width:24px;height:24px;color:var(--accent)}
.module-detail-module{color:var(--accent);font-size:12px;font-family:var(--font-mono);margin-bottom:4px}
.module-detail-title{color:#fff;font-size:20px;font-weight:700;font-family:var(--font-body)}
.module-detail-desc{color:var(--text-muted);font-size:14px;line-height:1.8;margin-bottom:24px;position:relative;font-family:var(--font-body)}
.module-detail-tags{display:flex;flex-wrap:wrap;gap:8px;position:relative}
.module-detail-tag{
  padding:6px 12px;border-radius:8px;font-size:12px;
  background:rgba(0,200,255,.1);color:var(--accent);
  border:1px solid rgba(0,200,255,.2);font-family:var(--font-body);
}
@media(max-width:1024px){
  .modules-grid{grid-template-columns:1fr}
}

/* ===== SCENARIOS ===== */
.scenarios-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.scenario-card{
  border-radius:16px;overflow:hidden;
  border:1px solid rgba(0,200,255,.1);background:var(--card);
  transition:all .3s;
}
.scenario-card:hover{border-color:rgba(0,200,255,.3)}
.scenario-img-wrap{position:relative;height:160px;overflow:hidden;background:var(--card-hover)}
.scenario-img-wrap img{
  width:100%;height:100%;object-fit:cover;opacity:.5;
  transition:all .5s;
}
.scenario-card:hover .scenario-img-wrap img{opacity:.7;transform:scale(1.05)}
.scenario-img-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,var(--card),transparent,transparent);
}
.scenario-badge{
  position:absolute;top:16px;left:16px;
  padding:5px 10px;border-radius:9999px;font-size:10px;
  border:1px solid rgba(0,200,255,.3);background:rgba(0,200,255,.1);
  color:var(--accent);font-family:var(--font-mono);
}
.scenario-body{padding:20px}
.scenario-body-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.scenario-body-header svg{width:16px;height:16px;color:var(--accent);flex-shrink:0}
.scenario-body h3{color:#fff;font-weight:700;font-size:14px;font-family:var(--font-body)}
.scenario-body p{color:var(--text-muted);font-size:12px;line-height:1.7;font-family:var(--font-body)}
@media(max-width:1024px){.scenarios-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.scenarios-grid{grid-template-columns:1fr}}

/* ===== TECHNOLOGY ===== */
.tech{background:var(--bg-alt)}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tech-card{
  padding:24px;border-radius:12px;
  border:1px solid rgba(0,200,255,.1);background:var(--card);
  transition:all .3s;
}
.tech-card:hover{border-color:rgba(0,200,255,.25)}
.tech-card-line{
  width:32px;height:2px;background:var(--accent);margin-bottom:16px;
  transition:width .3s;
}
.tech-card:hover .tech-card-line{width:64px}
.tech-card h3{color:#fff;font-weight:700;font-size:14px;margin-bottom:8px;font-family:var(--font-body)}
.tech-card p{color:var(--text-muted);font-size:12px;line-height:1.7;font-family:var(--font-body)}
@media(max-width:1024px){.tech-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.tech-grid{grid-template-columns:1fr}}

/* ===== SECURITY ===== */
.security{overflow:hidden}
.security-bg{position:absolute;inset:0}
.security-bg img{width:100%;height:100%;object-fit:cover;opacity:.08}
.security-bg-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to bottom,#020d1c,#020d1c,#020d1c,#040f22);
}
.security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.security-card{
  padding:28px;border-radius:16px;
  border:1px solid rgba(0,200,255,.15);background:var(--card);
  height:100%;
}
.security-card-icon{
  width:48px;height:48px;border-radius:12px;
  background:rgba(0,200,255,.1);border:1px solid rgba(0,200,255,.2);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.security-card-icon svg{width:22px;height:22px;color:var(--accent)}
.security-card h3{color:#fff;font-weight:700;font-size:16px;margin-bottom:16px;font-family:var(--font-body)}
.security-card ul{display:flex;flex-direction:column;gap:8px}
.security-card li{display:flex;align-items:flex-start;gap:8px}
.security-card li .dot{
  width:4px;height:4px;border-radius:50%;background:var(--accent);
  margin-top:8px;flex-shrink:0;
}
.security-card li span{color:var(--text-muted);font-size:12px;line-height:1.7;font-family:var(--font-body)}
@media(max-width:1024px){.security-grid{grid-template-columns:1fr}}

/* ===== CTA ===== */
.cta{background:var(--bg-alt);overflow:hidden}
.cta-decor{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.cta-decor::before{
  content:'';position:absolute;top:-96px;right:-96px;
  width:384px;height:384px;border-radius:50%;
  background:rgba(0,200,255,.05);filter:blur(96px);
}
.cta-decor::after{
  content:'';position:absolute;bottom:-96px;left:-96px;
  width:384px;height:384px;border-radius:50%;
  background:rgba(0,85,255,.05);filter:blur(96px);
}
.cta-inner{max-width:896px;margin:0 auto;padding:0 24px;text-align:center;position:relative;z-index:10}
.cta-title{
  font-size:clamp(36px,6vw,60px);font-weight:900;color:#fff;
  margin-bottom:24px;line-height:1.1;font-family:var(--font-heading);
}
.cta-desc{
  color:var(--text-muted);font-size:14px;line-height:1.8;
  margin-bottom:40px;max-width:672px;margin-left:auto;margin-right:auto;font-family:var(--font-body);
}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.cta-btn-primary{
  padding:16px 40px;background:var(--accent);color:var(--bg);
  font-weight:700;border-radius:8px;font-size:15px;letter-spacing:.025em;
  display:flex;align-items:center;gap:8px;transition:all .2s;font-family:var(--font-body);
}
.cta-btn-primary:hover{background:#fff}
.cta-btn-primary svg{width:18px;height:18px}
.cta-btn-secondary{
  padding:16px 40px;border:1px solid rgba(0,200,255,.4);color:var(--accent);
  font-weight:700;border-radius:8px;font-size:15px;letter-spacing:.025em;
  transition:all .2s;font-family:var(--font-body);
}
.cta-btn-secondary:hover{background:rgba(0,200,255,.1)}
.cta-contact{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:672px;margin:0 auto}
.cta-contact-item{text-align:center}
.cta-contact-label{
  color:var(--text-muted);font-size:10px;letter-spacing:.15em;margin-bottom:4px;
  font-family:var(--font-mono);
}
.cta-contact-value{color:#fff;font-size:14px;font-weight:500;font-family:var(--font-body)}

/* ===== FOOTER ===== */
.footer{
  border-top:1px solid rgba(0,200,255,.1);background:var(--bg);
  padding:40px 0;
}
.footer-inner{
  max-width:1280px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:16px;
}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-logo-icon{
  width:24px;height:24px;border-radius:4px;
  background:rgba(0,200,255,.1);border:1px solid rgba(0,200,255,.4);
  display:flex;align-items:center;justify-content:center;
}
.footer-logo-icon-inner{
  width:12px;height:12px;border:1px solid var(--accent);border-radius:2px;transform:rotate(45deg);
}
.footer-brand span{color:var(--text-muted);font-size:14px;font-family:var(--font-body)}
.footer-copy{
  color:rgba(122,176,212,.5);font-size:12px;text-align:center;
  font-family:var(--font-mono);
}
.footer-links{display:flex;gap:16px}
.footer-links a{color:rgba(122,176,212,.6);font-size:12px;transition:color .2s;font-family:var(--font-body)}
.footer-links a:hover{color:var(--accent)}

/* ===== SVG ICON SPRITES (inline via CSS background) ===== */
.icon-sm{width:16px;height:16px;flex-shrink:0}
.icon-md{width:20px;height:20px;flex-shrink:0}
.icon-lg{width:24px;height:24px;flex-shrink:0}

/* ===== RESPONSIVE ===== */
@media(max-width:640px){
  .cta-contact{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;text-align:center}
}