/* Golf Simulator Automation - light theme, navy + fairway green */
:root {
  --navy:#003068; --navy-deep:#001F4A; --navy-ink:#0F1B33;
  --green:#5BC500; --green-dark:#3A9F00; --green-deep:#2E7E00; --green-wash:#E8F7D8;
  --sky:#0070C8;
  --bg:#F4F7FB; --surface:#FFFFFF; --surface-2:#EEF2F8;
  --border:#D8DFEB; --muted:#5C6B85; --muted-2:#7A8AA8;
  --danger:#DC2626; --warn:#F59E0B;
  --font-body:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  --font-display:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  --shadow-sm:0 1px 2px rgba(15,27,51,.04),0 1px 1px rgba(15,27,51,.06);
  --shadow-md:0 4px 14px rgba(0,48,104,.08),0 2px 4px rgba(0,48,104,.05);
  --shadow-lg:0 18px 40px rgba(0,48,104,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--navy-ink);line-height:1.65;-webkit-font-smoothing:antialiased;font-feature-settings:'cv11','ss01'}
a{color:var(--sky);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--navy)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;color:var(--navy);letter-spacing:-.01em}

/* Nav */
.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 40px;background:var(--surface);position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm);border-bottom:1px solid var(--border)}
.nav-brand{display:flex;align-items:center;text-decoration:none}
.nav-logo{height:56px;width:auto;object-fit:contain;display:block}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--navy-ink);font-size:14px;font-weight:500;letter-spacing:.02em}
.nav-links a:hover{color:var(--green-dark)}
.nav-links .btn{padding:10px 22px;background:var(--green);color:#fff;border-radius:999px;font-weight:600;font-size:14px;box-shadow:0 4px 14px rgba(91,197,0,.28);transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.nav-links .btn:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:0 6px 18px rgba(91,197,0,.36);color:#fff}

/* Hero */
.hero{text-align:center;padding:90px 20px 80px;background:radial-gradient(ellipse at top,rgba(91,197,0,.08),transparent 60%),linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--border)}
.hero-logo{width:260px;height:260px;object-fit:contain;margin-bottom:26px;filter:drop-shadow(0 14px 40px rgba(0,48,104,.22))}
.hero h1{font-size:60px;line-height:1.05;margin-bottom:18px;font-weight:700}
.hero h1 span{color:var(--green-dark);font-style:italic}
.hero p{font-size:18px;color:var(--muted);max-width:680px;margin:0 auto 34px;font-family:var(--font-body)}
.hero .btn-group{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero .btn-group .btn{padding:14px 32px;border-radius:999px;font-size:15px;font-weight:600;border:none;cursor:pointer;text-decoration:none;display:inline-block;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.hero .btn-group .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 22px rgba(91,197,0,.32)}
.hero .btn-group .btn-primary:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:0 12px 28px rgba(91,197,0,.4)}
.hero .btn-group .btn-outline{background:transparent;border:2px solid var(--navy);color:var(--navy)}
.hero .btn-group .btn-outline:hover{background:var(--navy);color:#fff}

/* Sections */
.section-sub{text-align:center;color:var(--muted);max-width:720px;margin:-12px auto 40px;font-size:16px;font-family:var(--font-body)}

/* Why GSA */
.why{padding:64px 40px 8px;max-width:1000px;margin:0 auto;text-align:center}
.why h2{font-size:34px;margin-bottom:26px}
.why-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px 28px;max-width:840px;margin:0 auto;text-align:left}
.why-list li{position:relative;padding:10px 0 10px 34px;font-size:16px;color:var(--navy-ink);border-bottom:1px solid var(--border)}
.why-list li::before{content:'\2713';position:absolute;left:0;top:9px;width:22px;height:22px;background:var(--green-wash);color:var(--green-deep);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
/* Testimonial */
.testimonial-section{padding:60px 40px;max-width:900px;margin:0 auto;text-align:center}
.testimonial-section h2{font-size:30px;margin-bottom:24px}
.testimonial{background:linear-gradient(180deg,#fff,var(--bg));border:1px solid var(--border);border-left:4px solid var(--green);border-radius:16px;padding:30px 34px;font-size:19px;font-style:italic;color:var(--navy-ink);line-height:1.6;box-shadow:0 8px 24px rgba(0,48,104,.08);max-width:760px;margin:0 auto}
.testimonial cite{display:block;margin-top:18px;font-size:15px;font-style:normal;font-weight:600;color:var(--green-deep)}
/* Features */
.features{padding:80px 40px;max-width:1200px;margin:0 auto}
.features h2{text-align:center;font-size:40px;margin-bottom:14px}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:26px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;box-shadow:var(--shadow-sm)}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(91,197,0,.35)}
.feature-card h3{color:var(--navy);margin-bottom:10px;font-size:18px;font-family:var(--font-display);font-weight:700}
.feature-card p{color:var(--muted);font-size:14.5px;font-family:var(--font-body);line-height:1.6}

/* Pricing */
.pricing{padding:80px 40px;background:linear-gradient(180deg,var(--bg) 0%,#FFFFFF 100%);border-top:1px solid var(--border)}
.pricing h2{text-align:center;font-size:40px;margin-bottom:14px}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;max-width:1200px;margin:0 auto}
.plan-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px 28px;text-align:center;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.plan-card.popular{border-color:var(--green);position:relative;box-shadow:var(--shadow-md);transform:scale(1.02)}
.plan-card.popular::before{content:'RECOMMENDED';position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--green);color:#fff;padding:5px 18px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.08em;box-shadow:0 4px 12px rgba(91,197,0,.4)}
.plan-card h3{font-size:24px;margin-bottom:4px;color:var(--navy)}
.plan-card .price{font-size:38px;font-weight:700;margin:14px 0 4px;color:var(--navy);font-family:var(--font-display)}
.plan-card .price span{font-size:14px;color:var(--muted);font-weight:500;font-family:var(--font-body)}
.plan-card .period{color:var(--muted);font-size:13px;margin-bottom:22px;font-family:var(--font-body)}
.plan-card ul{list-style:none;text-align:left;margin-bottom:26px;flex:1}
.plan-card li{padding:8px 0;font-size:13.5px;color:var(--navy-ink);border-bottom:1px solid var(--border);font-family:var(--font-body)}
.plan-card li:last-child{border-bottom:none}
.plan-card li::before{content:'\2713  ';color:var(--green-dark);font-weight:700;margin-right:4px}
.plan-card .btn{display:block;padding:13px;background:var(--green);color:#fff;border-radius:999px;font-weight:600;font-size:14px;border:none;cursor:pointer;width:100%;text-decoration:none;text-align:center;transition:background .15s ease,box-shadow .15s ease;box-shadow:0 6px 16px rgba(91,197,0,.25)}
.plan-card .btn:hover{background:var(--green-dark);box-shadow:0 8px 20px rgba(91,197,0,.35);color:#fff}
.plan-card.popular .btn{background:var(--navy)}
.plan-card.popular .btn:hover{background:var(--navy-deep)}
.pricing-note{text-align:center;color:var(--muted);font-size:13.5px;margin-top:28px;max-width:780px;margin-left:auto;margin-right:auto;font-family:var(--font-body)}

/* Contact */
.contact{padding:80px 40px;max-width:880px;margin:0 auto}
.contact h2{text-align:center;font-size:40px;margin-bottom:14px}
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px;box-shadow:var(--shadow-md);margin-top:18px}
.contact-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.contact-field{display:flex;flex-direction:column;margin-bottom:18px}
.contact-row .contact-field{margin-bottom:0}
.contact-field label{font-size:13px;font-weight:600;color:var(--navy-ink);margin-bottom:6px;letter-spacing:.02em}
.contact-field input,.contact-field textarea{font-family:var(--font-body);font-size:14.5px;color:var(--navy-ink);background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 14px;outline:none;transition:border-color .15s ease,box-shadow .15s ease;resize:vertical}
.contact-field input:focus,.contact-field textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(91,197,0,.18)}
.contact-actions{display:flex;align-items:center;gap:14px;margin-top:6px}
.contact-actions .btn{padding:14px 32px;border-radius:999px;font-size:15px;font-weight:600;border:none;cursor:pointer;background:var(--green);color:#fff;box-shadow:0 8px 22px rgba(91,197,0,.32);transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.contact-actions .btn:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:0 12px 28px rgba(91,197,0,.4)}
.contact-status{font-size:13.5px;color:var(--muted);font-family:var(--font-body)}
.contact-status.ok{color:var(--green-dark)}
.contact-status.err{color:var(--danger)}

/* Footer */
.footer{padding:60px 40px 28px;font-size:14px;background:var(--navy);color:rgba(255,255,255,.78)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;max-width:1180px;margin:0 auto 36px}
.footer-col h5{color:#fff;margin-bottom:14px;font-size:13px;text-transform:uppercase;letter-spacing:.12em;font-family:var(--font-body);font-weight:600}
.footer-col a{display:block;color:rgba(255,255,255,.7);font-size:14px;margin-bottom:10px;text-decoration:none;font-family:var(--font-body);transition:color .15s ease}
.footer-col a:hover{color:var(--green)}
.footer-col-brand{max-width:420px}
.footer-col-download{max-width:280px}
.footer-download-tag{font-size:13.5px;color:rgba(255,255,255,.65);font-family:var(--font-body);line-height:1.6;margin-bottom:14px}
.footer-col-download a.btn-download{display:inline-flex;align-items:center;gap:8px;background:var(--green);color:#0F1B33;font-weight:600;padding:10px 18px;border-radius:8px;font-family:var(--font-body);font-size:14px;text-decoration:none;margin-bottom:0;transition:background .15s ease,transform .15s ease,box-shadow .15s ease;box-shadow:0 4px 12px rgba(91,197,0,.25)}
.footer-col-download a.btn-download:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(91,197,0,.35)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;color:#fff}
.footer-logo{height:64px;width:auto;object-fit:contain;background:#fff;border-radius:10px;padding:6px}
.footer-brand-name{color:#fff;font-family:var(--font-display);font-size:20px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.footer-tag{font-size:13.5px;color:rgba(255,255,255,.65);font-family:var(--font-body);line-height:1.65}
.footer-tag-product{margin-top:10px;color:rgba(255,255,255,.5);font-style:italic;font-size:13px}
.footer-copy{text-align:center;color:rgba(255,255,255,.55);font-size:12.5px;border-top:1px solid rgba(255,255,255,.12);padding-top:22px;margin-top:14px;font-family:var(--font-body)}

/* Policy pages (privacy.html / terms.html) */
.policy{max-width:860px;margin:0 auto;padding:60px 40px;background:var(--surface);border-radius:16px;box-shadow:var(--shadow-sm);margin-top:40px;margin-bottom:60px}
.policy h1{font-size:38px;margin-bottom:8px;color:var(--navy)}
.policy .updated{color:var(--muted);font-size:13px;margin-bottom:30px;font-family:var(--font-body)}
.policy h2{color:var(--navy);font-size:22px;margin:32px 0 12px;font-family:var(--font-display)}
.policy h3{color:var(--navy-ink);font-size:17px;margin:20px 0 8px;font-family:var(--font-display)}
.policy p{color:var(--navy-ink);font-size:14.5px;margin-bottom:12px;line-height:1.75;font-family:var(--font-body)}
.policy ul{color:var(--navy-ink);font-size:14.5px;padding-left:22px;margin-bottom:14px;font-family:var(--font-body)}
.policy li{margin-bottom:6px;line-height:1.65}
.policy a{color:var(--sky)}
.policy .back{display:inline-block;color:var(--muted);font-size:13px;margin-bottom:20px;text-decoration:none;font-family:var(--font-body)}
.policy .back:hover{color:var(--green-dark)}

@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-col-brand{grid-column:1 / -1;max-width:none}
  .footer-col-download{max-width:none}
}
@media (max-width:768px){
  .nav{padding:12px 18px}
  .nav-logo{height:44px}
  .nav-links{gap:14px}
  .nav-links a:not(.btn){display:none}
  .hero{padding:60px 20px 50px}
  .hero h1{font-size:38px}
  .hero-logo{width:180px;height:180px;margin-bottom:18px}
  .features,.pricing,.contact{padding:50px 20px}
  .contact-row{grid-template-columns:1fr;gap:0}
  .footer{padding:40px 22px 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-col-brand{grid-column:auto;max-width:none}
}