/* ============================================================
   GASA (Get Ahead Stay Ahead) — shared theme
   Extends the Swingle Sports Analytics brand system:
   navy/steel-blue palette, Anton/Inter/JetBrains Mono type,
   Z-zone structural motif.
   ============================================================ */

:root{
  --court-navy: #13263d;
  --court-navy-deep: #0a1826;
  --vb-blue: #2b4d69;
  --vb-blue-bright: #5b90b8;
  --vb-yellow: #9ad1f0; /* icy accent, matches SSA site */
  --chalk: #f6f3ec;
  --chalk-dim: #b9c6d4;
  --ink: #0a1826;
  --line: rgba(246,243,236,0.14);
  --line-strong: rgba(246,243,236,0.28);
  --radius: 6px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  background:var(--court-navy);
  color:var(--chalk);
  font-family:'Inter',sans-serif;
  line-height:1.6;
}

h1,h2,h3,h4{
  font-family:'Anton',sans-serif;
  font-weight:400;
  letter-spacing:0.01em;
  text-transform:uppercase;
  line-height:1.08;
}

.mono{font-family:'JetBrains Mono',monospace;}
a{color:inherit;}

.wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
@media (max-width:640px){.wrap{padding:0 20px;}}

/* ---------- NAV ---------- */
nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(10,22,38,0.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1180px;
  margin:0 auto;
  padding:14px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav-inner .logo{
  display:flex;
  align-items:center;
  text-decoration:none;
}
.nav-inner .logo img{
  height:56px;
  width:auto;
  display:block;
}
.nav-links{
  display:flex;
  gap:24px;
  list-style:none;
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.06em;
}
.nav-links a{
  text-decoration:none;
  opacity:0.75;
  transition:opacity .2s, color .2s;
}
.nav-links a:hover,
.nav-links a.active{
  opacity:1;
  color:var(--vb-yellow);
}
.mobile-menu-toggle{
  display:none;
  background:none;
  border:none;
  color:var(--chalk);
  font-size:22px;
  cursor:pointer;
}
@media (max-width:900px){
  .nav-links{display:none;}
  .mobile-menu-toggle{display:block;}
  .nav-links.mobile-open{
    display:flex;
    flex-direction:column;
    position:absolute;
    top:100%; left:0; right:0;
    background:rgba(10,22,38,0.97);
    padding:20px 32px;
    gap:16px;
    border-bottom:1px solid var(--line);
  }
}

/* ---------- HERO / PAGE HEADER ---------- */
.hero{
  position:relative;
  padding:168px 0 100px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(90deg, transparent, transparent 118px, var(--line) 118px, var(--line) 119px);
  opacity:0.5;
  pointer-events:none;
}
.hero-inner{position:relative; text-align:center; max-width:760px; margin:0 auto;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--vb-yellow);
  border:1px solid rgba(154,209,240,0.35);
  padding:6px 12px;
  border-radius:999px;
  margin-bottom:26px;
}
.hero h1{
  font-size:clamp(38px, 6vw, 68px);
  color:var(--chalk);
}
.hero h1 .accent{color:var(--vb-yellow);}
.hero p.sub{
  margin-top:22px;
  font-size:18px;
  color:var(--chalk-dim);
  max-width:600px;
  margin-left:auto;
  margin-right:auto;
}
.cta-row{
  margin-top:36px;
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}

/* Page header, smaller version for interior pages */
.page-header{
  position:relative;
  padding:150px 0 70px;
  text-align:center;
  border-bottom:1px solid var(--line);
}
.page-header h1{font-size:clamp(32px,5vw,52px); color:var(--chalk);}
.page-header p{margin-top:16px; color:var(--chalk-dim); font-size:17px; max-width:600px; margin-left:auto; margin-right:auto;}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:15px 26px;
  border-radius:var(--radius);
  font-family:'JetBrains Mono',monospace;
  font-size:13px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  font-weight:500;
  text-decoration:none;
  transition:transform .18s ease, background .18s ease, border-color .18s ease;
  cursor:pointer;
  border:1px solid transparent;
}
.btn-primary{background:var(--vb-yellow); color:var(--ink);}
.btn-primary:hover{transform:translateY(-2px); background:#c3e6f8;}
.btn-ghost{border-color:var(--line-strong); color:var(--chalk);}
.btn-ghost:hover{transform:translateY(-2px); border-color:var(--vb-yellow); color:var(--vb-yellow);}

/* ---------- SECTIONS ---------- */
section{padding:100px 0; border-top:1px solid var(--line); position:relative;}
.section-alt{background:var(--court-navy-deep);}
.zone-tag{display:flex; align-items:center; gap:14px; margin-bottom:22px;}
.zone-tag .zn{
  font-family:'Anton',sans-serif;
  font-size:14px;
  letter-spacing:0.08em;
  color:var(--court-navy);
  background:var(--vb-yellow);
  padding:5px 11px;
  border-radius:4px;
}
.zone-tag .zt{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--chalk-dim);
}
.section-head h2{font-size:clamp(28px,4vw,44px); max-width:760px; color:var(--chalk);}
.section-head p.lead{margin-top:16px; font-size:16px; color:var(--chalk-dim); max-width:640px;}

/* ---------- FEATURE GRID ---------- */
.feature-grid{
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
@media (max-width:900px){.feature-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.feature-grid{grid-template-columns:1fr;}}
.feature-cell{background:var(--court-navy); padding:32px 26px;}
.feature-cell .fk{
  font-family:'JetBrains Mono',monospace;
  font-size:11px;
  color:var(--vb-blue-bright);
  text-transform:uppercase;
  letter-spacing:0.06em;
}
.feature-cell h3{
  margin-top:10px;
  font-size:19px;
  color:var(--chalk);
  text-transform:none;
}
.feature-cell p{margin-top:10px; font-size:14.5px; color:var(--chalk-dim);}

/* ---------- SCREENSHOT GALLERY (placeholder-friendly) ---------- */
.shot-grid{
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
}
@media (max-width:900px){.shot-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.shot-grid{grid-template-columns:1fr;}}
.shot-card{
  border:1px solid var(--line-strong);
  border-radius:10px;
  overflow:hidden;
  background:var(--court-navy-deep);
}
.shot-frame{
  aspect-ratio:4/3;
  background:linear-gradient(155deg, #2b4d69, #0a1826);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  position:relative;
}
.shot-frame img{width:100%; height:100%; object-fit:cover; object-position:top center;}
.shot-placeholder{
  font-family:'JetBrains Mono',monospace;
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--chalk-dim);
  border:1.5px dashed var(--line-strong);
  border-radius:8px;
  padding:10px 16px;
}
.shot-caption{padding:20px 22px;}
.shot-caption h3{font-size:16px; color:var(--chalk); text-transform:none;}
.shot-caption p{margin-top:8px; font-size:14px; color:var(--chalk-dim);}

/* ---------- STEPS ---------- */
.steps{
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.steps{grid-template-columns:1fr;}}
.step .step-num{
  font-family:'Anton',sans-serif;
  font-size:34px;
  color:var(--vb-yellow);
}
.step h3{margin-top:6px; font-size:17px; color:var(--chalk); text-transform:none;}
.step p{margin-top:8px; font-size:14.5px; color:var(--chalk-dim);}

/* ---------- PRICING ---------- */
.pricing-card{
  margin-top:52px;
  max-width:460px;
  margin-left:auto; margin-right:auto;
  border:1px solid var(--line-strong);
  border-radius:12px;
  padding:44px;
  text-align:center;
  background:linear-gradient(155deg, rgba(43,77,105,0.35), transparent);
}
.pricing-card .plan-name{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--vb-yellow);
}
.pricing-card .price{
  margin-top:14px;
  font-family:'Anton',sans-serif;
  font-size:52px;
  color:var(--chalk);
}
.pricing-card .price span{
  font-family:'JetBrains Mono',monospace;
  font-size:15px;
  color:var(--chalk-dim);
  text-transform:none;
}
.pricing-card .trial-note{
  margin-top:6px;
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  color:var(--chalk-dim);
  text-transform:uppercase;
  letter-spacing:0.05em;
}
.pricing-list{
  margin-top:28px;
  text-align:left;
  display:flex;
  flex-direction:column;
  gap:11px;
}
.pricing-list li{
  list-style:none;
  font-size:14.5px;
  color:var(--chalk-dim);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.pricing-list li::before{
  content:'✓';
  color:var(--vb-yellow);
  font-weight:700;
  flex-shrink:0;
}
.pricing-card .btn{margin-top:30px; width:100%; justify-content:center;}

/* ---------- CONTACT / FORMS ---------- */
.form-grid{
  margin-top:52px;
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:48px;
}
@media (max-width:860px){.form-grid{grid-template-columns:1fr;}}
.info-item{
  display:flex;
  gap:14px;
  padding:18px 0;
  border-top:1px solid var(--line);
}
.info-item:first-child{border-top:none;}
.info-item .ik{
  font-family:'JetBrains Mono',monospace;
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--vb-blue-bright);
  width:120px;
  flex-shrink:0;
}
.info-item .iv{color:var(--chalk-dim); font-size:15px;}
.info-item a{color:var(--vb-yellow); text-decoration:underline; text-underline-offset:3px;}

.field{margin-bottom:20px;}
.field label{
  display:block;
  margin-bottom:8px;
  font-family:'JetBrains Mono',monospace;
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--chalk-dim);
}
.field input,
.field textarea,
.field select{
  width:100%;
  padding:13px 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:rgba(255,255,255,0.03);
  color:var(--chalk);
  font-size:15px;
  font-family:'Inter',sans-serif;
}
.field textarea{resize:vertical; min-height:130px;}
.field input:focus,
.field textarea:focus,
.field select:focus{outline:2px solid var(--vb-yellow); outline-offset:1px; border-color:transparent;}
.field select option{background:var(--court-navy); color:var(--chalk);}
.submit-btn{
  width:100%;
  padding:15px;
  background:var(--vb-yellow);
  color:var(--ink);
  border:none;
  border-radius:var(--radius);
  font-family:'JetBrains Mono',monospace;
  font-size:13px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  font-weight:600;
  cursor:pointer;
  transition:background .18s, transform .18s;
}
.submit-btn:hover{background:#c3e6f8; transform:translateY(-2px);}

/* ---------- FAQ ---------- */
.faq-group{margin-top:44px;}
.faq-group-title{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--vb-yellow);
  margin-bottom:18px;
}
.faq-item{border-top:1px solid var(--line); padding:20px 0;}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  font-size:16.5px;
  color:var(--chalk);
  font-weight:600;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
}
.faq-q::after{content:'+'; font-family:'JetBrains Mono',monospace; color:var(--vb-yellow); font-size:20px; flex-shrink:0;}
.faq-item.open .faq-q::after{content:'–';}
.faq-a{
  margin-top:12px;
  color:var(--chalk-dim);
  font-size:15px;
  max-width:720px;
  display:none;
}
.faq-item.open .faq-a{display:block;}
.faq-a p{margin-bottom:10px;}
.faq-a strong{color:var(--chalk);}
.faq-a ul, .faq-a ol{margin:10px 0 14px 20px;}
.faq-a li{margin-bottom:6px;}
.faq-a code{
  background:rgba(255,255,255,0.08);
  padding:2px 6px;
  border-radius:4px;
  font-family:'JetBrains Mono',monospace;
  font-size:13px;
}
.faq-callout{
  border:1px solid var(--line-strong);
  border-left:3px solid var(--vb-yellow);
  border-radius:8px;
  padding:14px 18px;
  margin:14px 0;
  background:rgba(43,77,105,0.18);
  font-size:14.5px;
}

/* ---------- AFFILIATE BADGE / BENEFIT CARDS ---------- */
.benefit-grid{
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
@media (max-width:900px){.benefit-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.benefit-grid{grid-template-columns:1fr;}}
.benefit-cell{background:var(--court-navy); padding:30px 24px;}
.benefit-cell .bk{font-family:'JetBrains Mono',monospace; font-size:22px; color:var(--vb-yellow);}
.benefit-cell h3{margin-top:8px; font-size:16px; color:var(--chalk); text-transform:none;}
.benefit-cell p{margin-top:8px; font-size:14px; color:var(--chalk-dim);}

.commission-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:26px;
  background:var(--vb-yellow);
  color:var(--ink);
  padding:12px 26px;
  border-radius:999px;
  font-family:'JetBrains Mono',monospace;
  font-size:14px;
  font-weight:700;
  letter-spacing:0.03em;
}

/* ---------- VIDEO EMBEDS ---------- */
.video-frame{
  position:relative;
  width:100%;
  padding-bottom:56.25%;
  border-radius:10px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  margin-top:24px;
}
.video-frame iframe{position:absolute; inset:0; width:100%; height:100%;}

/* ---------- ARTICLES ---------- */
.articles-grid{
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
@media (max-width:900px){.articles-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.articles-grid{grid-template-columns:1fr;}}
.article-card{
  border:1px solid var(--line-strong);
  border-radius:10px;
  overflow:hidden;
  background:var(--court-navy-deep);
  display:flex;
  flex-direction:column;
}
.article-image{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  background:linear-gradient(155deg, #2b4d69, #0a1826);
  display:block;
}
.article-content{padding:20px 22px; flex:1; display:flex; flex-direction:column;}
.article-date{font-family:'JetBrains Mono',monospace; font-size:11px; text-transform:uppercase; letter-spacing:0.05em; color:var(--vb-blue-bright);}
.article-title{margin-top:8px; font-size:17px; text-transform:none;}
.article-title a{color:var(--chalk); text-decoration:none;}
.article-title a:hover{color:var(--vb-yellow);}
.article-excerpt{margin-top:10px; font-size:14px; color:var(--chalk-dim); flex:1;}
.read-more{margin-top:14px; display:inline-block; font-family:'JetBrains Mono',monospace; font-size:12px; text-transform:uppercase; letter-spacing:0.05em; color:var(--vb-yellow); text-decoration:none;}
.error-message{
  text-align:center;
  padding:50px 30px;
  border:1px dashed var(--line-strong);
  border-radius:10px;
  color:var(--chalk-dim);
}
.error-message h3{color:var(--chalk); margin-bottom:10px; text-transform:none; font-size:20px;}
.loading-note{
  text-align:center;
  padding:40px;
  color:var(--chalk-dim);
  font-family:'JetBrains Mono',monospace;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.05em;
}
.substack-card{
  margin-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  border:1px solid var(--line-strong);
  border-radius:10px;
  padding:36px;
  background:linear-gradient(155deg, rgba(43,77,105,0.35), transparent);
}
.substack-card p{color:var(--chalk-dim); max-width:520px;}

/* ---------- COACH PHOTO / ABOUT ---------- */
.about-grid{margin-top:52px; display:grid; grid-template-columns:0.42fr 1fr; gap:56px;}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;}}
.coach-photo{width:100%; border-radius:10px; border:1px solid var(--line-strong); display:block;}
.prose h2{font-size:26px; color:var(--chalk); margin-top:38px; margin-bottom:14px;}
.prose h2:first-child{margin-top:0;}
.prose p{margin-bottom:16px; color:var(--chalk-dim); font-size:16px; max-width:680px;}
.prose strong{color:var(--chalk); font-weight:600;}
.prose ul{margin:0 0 16px 20px; color:var(--chalk-dim);}
.prose li{margin-bottom:8px; font-size:15px;}
.highlight-box{
  border:1px solid var(--line-strong);
  border-left:3px solid var(--vb-yellow);
  border-radius:8px;
  padding:24px 26px;
  margin:28px 0;
  background:rgba(43,77,105,0.18);
}
.highlight-box strong{color:var(--chalk); display:block; margin-bottom:10px;}
.highlight-box a{color:var(--vb-yellow);}

/* ---------- FOOTER ---------- */
footer{
  padding:44px 0;
  border-top:1px solid var(--line);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
  font-family:'JetBrains Mono',monospace;
  font-size:11.5px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  color:var(--chalk-dim);
}
.footer-links{display:flex; gap:18px; flex-wrap:wrap;}
.footer-links a{text-decoration:none;}
.footer-links a:hover{color:var(--vb-yellow);}

::selection{background:var(--vb-yellow); color:var(--ink);}
:focus-visible{outline:2px solid var(--vb-yellow); outline-offset:3px;}

.reveal{opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1; transform:translateY(0);}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1; transform:none; transition:none;}}