/* style.css */
:root{
  --bg-0:#05060a;
  --bg-1:#0b0d14;
  --bg-2:#12151f;
  --surface:rgba(20,23,34,0.6);
  --surface-2:rgba(28,32,46,0.55);
  --border:rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.16);
  --text:#e8ecf3;
  --text-dim:#9aa3b4;
  --text-mute:#6a7285;
  --accent:#6ee7ff;
  --accent-2:#ffb04a;
  --accent-3:#a78bfa;
  --grad-1:linear-gradient(135deg,#6ee7ff 0%,#a78bfa 50%,#ffb04a 100%);
  --grad-2:linear-gradient(135deg,#0b0d14 0%,#12151f 100%);
  --radius-sm:10px;
  --radius:18px;
  --radius-lg:28px;
  --shadow-1:0 8px 30px rgba(0,0,0,0.4);
  --shadow-glow:0 0 60px rgba(110,231,255,0.15);
  --font-display:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --max:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-display);
  background:var(--bg-0);
  color:var(--text);
  line-height:1.65;
  font-size:16.5px;
  overflow-x:hidden;
  min-height:100vh;
  background-image:
    radial-gradient(ellipse at 15% 0%,rgba(110,231,255,0.08) 0%,transparent 40%),
    radial-gradient(ellipse at 85% 100%,rgba(255,176,74,0.06) 0%,transparent 45%);
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
address{font-style:normal}

.container{max-width:var(--max);margin:0 auto;padding:0 24px}

/* Reading progress */
.progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:var(--grad-1);z-index:100;
  box-shadow:0 0 12px rgba(110,231,255,0.6);
  transition:width .15s linear;
}

/* Navigation */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:90;
  padding:14px 0;
  background:rgba(5,6,10,0.6);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid transparent;
  transition:all .3s var(--ease);
}
.nav.scrolled{
  background:rgba(5,6,10,0.85);
  border-bottom-color:var(--border);
}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.3px}
.logo-mark{
  width:28px;height:28px;border-radius:8px;
  background:var(--grad-1);
  position:relative;
  box-shadow:0 4px 16px rgba(110,231,255,0.35);
}
.logo-mark::before{
  content:"";position:absolute;inset:3px;border-radius:5px;
  background:var(--bg-0);
}
.logo-mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;
  background:var(--grad-1);
}
.logo-text{font-size:17px}
.nav-links{display:flex;gap:28px}
.nav-links a{
  font-size:14px;color:var(--text-dim);
  transition:color .25s var(--ease);
  position:relative;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:var(--grad-1);transition:width .3s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}

.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;
  background:var(--surface);border:1px solid var(--border);
  flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-toggle span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:all .3s var(--ease)}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:120px 24px 80px;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%}
.hero-glow{
  position:absolute;inset:-20%;
  background:
    radial-gradient(circle at 30% 40%,rgba(110,231,255,0.25) 0%,transparent 35%),
    radial-gradient(circle at 70% 60%,rgba(255,176,74,0.18) 0%,transparent 40%),
    radial-gradient(circle at 50% 80%,rgba(167,139,250,0.15) 0%,transparent 40%);
  filter:blur(60px);
  animation:glowShift 16s ease-in-out infinite;
}
@keyframes glowShift{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-3%,2%) scale(1.05)}
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center,black 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 80%);
  animation:gridMove 30s linear infinite;
}
@keyframes gridMove{
  0%{background-position:0 0}
  100%{background-position:60px 60px}
}

.hero-content{
  position:relative;z-index:2;
  max-width:900px;text-align:center;
}
.eyebrow{
  display:inline-block;
  padding:6px 14px;border-radius:999px;
  font-size:12px;letter-spacing:2px;text-transform:uppercase;
  color:var(--accent);
  background:rgba(110,231,255,0.08);
  border:1px solid rgba(110,231,255,0.2);
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(2.2rem,5.5vw,4.2rem);
  line-height:1.08;letter-spacing:-1.5px;
  font-weight:800;
  margin-bottom:22px;
  background:linear-gradient(180deg,#ffffff 0%,#c8d1e0 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero .lead{
  font-size:clamp(1rem,1.4vw,1.2rem);
  color:var(--text-dim);
  max-width:680px;margin:0 auto 32px;
}
.hero-meta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.meta-chip{
  display:flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  font-size:13px;color:var(--text-dim);
  background:var(--surface);
  border:1px solid var(--border);
  backdrop-filter:blur(10px);
}
.meta-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}

.hero-scroll{
  position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:12px;
  font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--text-mute);
  z-index:2;
}
.scroll-line{width:1px;height:50px;background:linear-gradient(180deg,var(--accent),transparent);animation:scrollDown 2s ease-in-out infinite}
@keyframes scrollDown{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* Section common */
.section{padding:110px 0;position:relative}
.section-alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,0.015) 50%,transparent)}
.section-head{margin-bottom:64px;max-width:800px}
.kicker{
  display:inline-block;font-size:12px;letter-spacing:3px;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;font-weight:600;
}
.section h2{
  font-size:clamp(1.8rem,3.6vw,2.8rem);
  line-height:1.15;letter-spacing:-.8px;font-weight:700;
  background:linear-gradient(180deg,#ffffff 0%,#b8c1d1 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start}
.prose p{margin-bottom:18px;color:var(--text-dim);font-size:16.5px}

.callout-card{
  position:relative;padding:28px;border-radius:var(--radius-lg);
  background:var(--surface);
  border:1px solid var(--border);
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,0.04);
  overflow:hidden;
}
.callout-card::before{
  content:"";position:absolute;top:-40%;right:-20%;width:300px;height:300px;
  background:radial-gradient(circle,rgba(110,231,255,0.18),transparent 70%);
  filter:blur(20px);pointer-events:none;
}
.callout-icon{
  width:48px;height:48px;border-radius:12px;
  background:rgba(110,231,255,0.1);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;border:1px solid rgba(110,231,255,0.25);
}
.callout-icon svg{width:22px;height:22px}
.callout-card h3{font-size:18px;margin-bottom:10px}
.callout-card p{color:var(--text-dim);font-size:14.5px}

/* Definition grid */
.definition-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.definition-block{
  padding:32px;border-radius:var(--radius-lg);
  background:var(--surface);
  border:1px solid var(--border);
  backdrop-filter:blur(20px);
  position:relative;overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.definition-block:hover{transform:translateY(-6px);border-color:var(--border-strong)}
.definition-block h3{font-size:17px;margin-bottom:12px;color:var(--text)}
.definition-block p{color:var(--text-dim);font-size:15px}

/* Feature stack */
.feature-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature-card{
  padding:32px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(20px);
  display:flex;gap:24px;align-items:flex-start;
  position:relative;overflow:hidden;
  transition:all .4s var(--ease);
}
.feature-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(110,231,255,0.06),transparent 60%);
  opacity:0;transition:opacity .4s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(110,231,255,0.25)}
.feature-card:hover::before{opacity:1}
.feature-num{
  font-size:14px;font-weight:700;color:var(--accent);
  width:44px;height:44px;border-radius:12px;
  background:rgba(110,231,255,0.08);
  border:1px solid rgba(110,231,255,0.2);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.feature-card h3{font-size:17px;margin-bottom:8px}
.feature-card p{color:var(--text-dim);font-size:15px}

/* Factor grid */
.factor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.factor-card{
  padding:28px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(20px);
  position:relative;overflow:hidden;
  transition:all .4s var(--ease);
}
.factor-card::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(110,231,255,0.08),transparent 40%);
  opacity:0;transition:opacity .3s var(--ease);
  pointer-events:none;
}
.factor-card:hover{transform:translateY(-6px);border-color:var(--border-strong)}
.factor-card:hover::after{opacity:1}
.factor-icon{
  width:44px;height:44px;border-radius:10px;
  background:rgba(167,139,250,0.1);
  color:var(--accent-3);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;border:1px solid rgba(167,139,250,0.2);
}
.factor-icon svg{width:20px;height:20px}
.factor-card h3{font-size:16px;margin-bottom:8px}
.factor-card p{color:var(--text-dim);font-size:14.5px}

/* Process timeline */
.process-timeline{
  list-style:none;position:relative;
  padding-left:30px;
}
.process-timeline::before{
  content:"";position:absolute;left:14px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,var(--accent),var(--accent-3),var(--accent-2));
  opacity:.4;
}
.process-step{
  position:relative;padding:24px 0 24px 40px;
  display:flex;gap:24px;align-items:flex-start;
}
.step-marker{
  position:absolute;left:-28px;top:28px;
  width:44px;height:44px;border-radius:12px;
  background:var(--bg-2);
  border:1px solid var(--border-strong);
  color:var(--accent);font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(0,0,0,0.4);
}
.step-body{
  flex:1;padding:24px 28px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);backdrop-filter:blur(20px);
  transition:all .4s var(--ease);
}
.step-body:hover{border-color:rgba(110,231,255,0.25);transform:translateX(4px)}
.step-body h3{font-size:17px;margin-bottom:8px}
.step-body p{color:var(--text-dim);font-size:15px}
.step-body a{
  color:var(--accent);border-bottom:1px dashed rgba(110,231,255,0.4);
  transition:all .25s var(--ease);
}
.step-body a:hover{color:#a8f0ff;border-bottom-color:var(--accent)}

/* Benefits */
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.benefit-card{
  padding:28px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(20px);position:relative;overflow:hidden;
  transition:all .5s var(--ease);
}
.benefit-orb{
  position:absolute;top:-40px;right:-40px;width:120px;height:120px;
  border-radius:50%;filter:blur(40px);opacity:.6;
  background:radial-gradient(circle,var(--accent),transparent 70%);
  transition:all .5s var(--ease);
}
.benefit-card:nth-child(2) .benefit-orb{background:radial-gradient(circle,var(--accent-3),transparent 70%)}
.benefit-card:nth-child(3) .benefit-orb{background:radial-gradient(circle,var(--accent-2),transparent 70%)}
.benefit-card:nth-child(4) .benefit-orb{background:radial-gradient(circle,#8ee39b,transparent 70%)}
.benefit-card:nth-child(5) .benefit-orb{background:radial-gradient(circle,#f472b6,transparent 70%)}
.benefit-card:nth-child(6) .benefit-orb{background:radial-gradient(circle,#60a5fa,transparent 70%)}
.benefit-card:hover{transform:translateY(-8px);border-color:var(--border-strong)}
.benefit-card:hover .benefit-orb{transform:translate(-10px,10px) scale(1.2)}
.benefit-card h3{font-size:17px;margin-bottom:10px;position:relative;z-index:1}
.benefit-card p{color:var(--text-dim);font-size:14.5px;position:relative;z-index:1}

/* Tips */
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.tip-card{
  padding:24px 24px 24px 72px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(20px);position:relative;
  transition:all .4s var(--ease);overflow:hidden;
}
.tip-num{
  position:absolute;left:20px;top:50%;transform:translateY(-50%);
  font-size:26px;font-weight:800;
  background:var(--grad-1);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  opacity:.7;
}
.tip-card:hover{border-color:var(--border-strong);transform:translateY(-4px)}
.tip-card h3{font-size:16px;margin-bottom:6px}
.tip-card p{color:var(--text-dim);font-size:14.5px}
.tip-card a{color:var(--accent-2);border-bottom:1px dashed rgba(255,176,74,0.4)}
.tip-card a:hover{color:#ffc67a;border-bottom-color:var(--accent-2)}

/* Problems */
.problem-list{display:flex;flex-direction:column;gap:16px}
.problem-item{
  padding:28px 32px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(20px);
  transition:all .4s var(--ease);
}
.problem-item:hover{border-color:rgba(255,176,74,0.25);transform:translateX(4px)}
.problem-head{display:flex;align-items:center;gap:14px;margin-bottom:10px;flex-wrap:wrap}
.problem-head h3{font-size:17px;flex:1}
.problem-tag{
  padding:4px 10px;border-radius:999px;font-size:11px;letter-spacing:1px;text-transform:uppercase;
  background:rgba(255,176,74,0.1);color:var(--accent-2);
  border:1px solid rgba(255,176,74,0.25);font-weight:600;
}
.problem-item p{color:var(--text-dim);font-size:15px}

/* Cost grid */
.cost-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cost-card{
  padding:32px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(20px);text-align:center;
  transition:all .4s var(--ease);
}
.cost-card:hover{transform:translateY(-6px);border-color:var(--border-strong)}
.cost-card h3{font-size:14px;letter-spacing:2px;text-transform:uppercase;color:var(--text-mute);margin-bottom:18px}
.big-number{
  font-size:clamp(2.4rem,4vw,3.2rem);font-weight:800;letter-spacing:-1px;
  background:var(--grad-1);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1;margin-bottom:18px;
}
.big-number span{
  display:block;font-size:13px;letter-spacing:2px;text-transform:uppercase;
  margin-top:6px;color:var(--text-mute);font-weight:600;
  background:none;-webkit-text-fill-color:var(--text-mute);
}
.cost-card p{color:var(--text-dim);font-size:14.5px}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);backdrop-filter:blur(20px);
  overflow:hidden;transition:all .4s var(--ease);
}
.faq-item[open]{border-color:rgba(110,231,255,0.25);box-shadow:var(--shadow-glow)}
.faq-item summary{
  padding:22px 26px;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:600;font-size:16px;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  width:28px;height:28px;border-radius:8px;flex-shrink:0;
  background:rgba(110,231,255,0.08);
  border:1px solid rgba(110,231,255,0.2);
  position:relative;transition:all .4s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  width:12px;height:2px;background:var(--accent);
  transform:translate(-50%,-50%);border-radius:2px;
  transition:transform .4s var(--ease);
}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item[open] .faq-icon{background:rgba(110,231,255,0.15);transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg) scaleX(0)}
.faq-body{
  padding:0 26px 24px;color:var(--text-dim);font-size:15px;
  animation:faqOpen .4s var(--ease);
}
.faq-body p{margin-bottom:10px}
@keyframes faqOpen{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* CTA */
.cta-section{padding:100px 0 130px}
.cta-inner{
  max-width:900px;margin:0 auto;text-align:center;
  padding:70px 40px;border-radius:var(--radius-lg);
  background:
    radial-gradient(ellipse at top,rgba(110,231,255,0.1),transparent 70%),
    var(--surface);
  border:1px solid var(--border-strong);
  backdrop-filter:blur(30px);
  position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;inset:-2px;border-radius:var(--radius-lg);
  background:var(--grad-1);opacity:.35;filter:blur(30px);z-index:-1;
}
.cta-inner h2{font-size:clamp(1.6rem,3vw,2.4rem);margin:14px 0 20px;line-height:1.2}
.cta-lead{color:var(--text-dim);max-width:640px;margin:0 auto 36px;font-size:16.5px}
.cta-button{
  display:inline-flex;align-items:center;gap:12px;
  padding:18px 36px;border-radius:999px;
  background:var(--grad-1);color:#05060a;font-weight:700;
  font-size:15px;letter-spacing:.3px;
  box-shadow:0 10px 40px rgba(110,231,255,0.35);
  transition:all .4s var(--ease);
  position:relative;overflow:hidden;
}
.cta-button svg{width:18px;height:18px;transition:transform .4s var(--ease)}
.cta-button:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 14px 50px rgba(110,231,255,0.5)}
.cta-button:hover svg{transform:translateX(6px)}

/* Footer */
.site-footer{
  position:relative;padding:90px 0 30px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,var(--bg-0),#03040a);
  overflow:hidden;
}
.footer-bg{position:absolute;inset:0;opacity:.6;pointer-events:none}
#footerCanvas{position:absolute;inset:0;width:100%;height:100%}
.footer-inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:0 24px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:50px;
  padding-bottom:50px;border-bottom:1px solid var(--border);
}
.footer-logo{display:flex;align-items:center;gap:10px;font-weight:700;margin-bottom:18px}
.footer-tagline{color:var(--text-dim);font-size:14.5px;margin-bottom:24px;max-width:380px}
.footer-nap{display:flex;flex-direction:column;gap:10px}
.nap-row{
  display:flex;align-items:flex-start;gap:10px;
  color:var(--text-dim);font-size:14px;line-height:1.5;
}
.nap-row svg{width:16px;height:16px;flex-shrink:0;margin-top:3px;color:var(--accent)}
.footer-col h4{
  font-size:12px;letter-spacing:3px;text-transform:uppercase;
  color:var(--text-mute);margin-bottom:18px;font-weight:600;
}
.footer-nav{display:flex;flex-direction:column;gap:10px}
.footer-nav li,.footer-nav a{color:var(--text-dim);font-size:14px;transition:color .25s var(--ease)}
.footer-nav a:hover{color:var(--accent)}
.back-top-link{color:var(--accent-2) !important}

.footer-map{
  margin-top:40px;padding:24px;
  border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--border);
  backdrop-filter:blur(20px);
}
.map-label{
  font-size:11px;letter-spacing:3px;text-transform:uppercase;
  color:var(--text-mute);margin-bottom:12px;font-weight:600;
}
.houston-map{width:100%;height:auto;max-height:220px;display:block}
.map-pin{animation:pulsePin 2.4s ease-in-out infinite}
@keyframes pulsePin{
  0%,100%{transform:scale(1)}
  50%{transform:scale(1.15)}
}

.footer-bottom{
  margin-top:30px;padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom small{color:var(--text-mute);font-size:13px}
.footer-legal{display:flex;gap:24px;flex-wrap:wrap}
.footer-legal a{color:var(--text-mute);font-size:13px;transition:color .25s var(--ease)}
.footer-legal a:hover{color:var(--accent)}

/* Back to top */
.back-to-top{
  position:fixed;right:24px;bottom:24px;z-index:80;
  width:48px;height:48px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border-strong);
  backdrop-filter:blur(20px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(20px);
  transition:all .4s var(--ease);
  box-shadow:var(--shadow-1);
}
.back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-to-top svg{width:20px;height:20px;color:var(--accent)}
.back-to-top:hover{background:rgba(110,231,255,0.15);transform:translateY(-4px)}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}

/* Responsive */
@media (max-width:960px){
  .two-col,.feature-stack,.definition-grid,.factor-grid,.benefits-grid,.cost-grid{grid-template-columns:1fr}
  .tips-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .section{padding:80px 0}
}
@media (max-width:640px){
  .nav-links{
    position:fixed;top:72px;left:16px;right:16px;
    flex-direction:column;align-items:stretch;
    padding:20px;border-radius:var(--radius);
    background:rgba(11,13,20,0.95);backdrop-filter:blur(30px);
    border:1px solid var(--border);
    transform:translateY(-20px);opacity:0;pointer-events:none;
    transition:all .3s var(--ease);gap:14px;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .menu-toggle{display:flex}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero{min-height:90vh;padding-top:100px}
  .section-head{margin-bottom:44px}
  .process-timeline{padding-left:24px}
  .step-marker{width:38px;height:38px;font-size:12px;left:-22px}
  .step-body{padding:20px}
  .cta-inner{padding:50px 24px}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    transition-duration:.01ms !important;
  }
}