/*
Theme Name: The Physics Tutor Funnel
Theme URI: https://thephysicstutor.net/
Author: The Physics Tutor
Description: Premium, fast, conversion-focused WordPress theme for The Physics Tutor lead-generation funnel.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: tpt-funnel
*/

:root{
  --tpt-navy:#0B1F3A;
  --tpt-blue:#1769AA;
  --tpt-bright:#2F80ED;
  --tpt-light:#EAF4FF;
  --tpt-bg:#F7FAFC;
  --tpt-text:#172033;
  --tpt-muted:#64748B;
  --tpt-white:#fff;
  --tpt-border:#E2E8F0;
  --tpt-radius:16px;
  --tpt-shadow:0 18px 50px rgba(11,31,58,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.skip-link.screen-reader-text:focus{
  position:fixed;top:10px;left:10px;width:auto;height:auto;clip:auto;
  background:var(--tpt-navy);color:#fff!important;padding:12px 18px;border-radius:8px;
  z-index:9999;font-weight:800;text-decoration:none
}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--tpt-text);
  background:#fff;
  line-height:1.7;
}
img{max-width:100%;height:auto}
a{color:var(--tpt-blue);text-decoration:none}
a:hover{color:var(--tpt-bright)}
h1,h2,h3,h4{font-family:Inter,system-ui,sans-serif;color:var(--tpt-navy);line-height:1.15;letter-spacing:-.03em}
h1{font-size:clamp(2.5rem,6vw,4.8rem);margin:.25em 0}
h2{font-size:clamp(2rem,4vw,3.2rem)}
h3{font-size:1.35rem}
p{margin:0 0 1rem}
.container{width:min(1160px,92%);margin:auto}
.site-header{
  position:sticky;top:0;z-index:999;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(226,232,240,.8)
}
.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{font-weight:900;letter-spacing:.08em;color:var(--tpt-navy);font-size:1rem;line-height:1.05}
.logo span{display:block;color:var(--tpt-blue);font-size:.68rem;letter-spacing:.18em;margin-top:4px}
.nav{display:flex;align-items:center;gap:24px;font-weight:600;font-size:.94rem}
.nav a{color:var(--tpt-navy)}
.nav-cta,.btn{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--tpt-bright);color:#fff!important;
  padding:13px 21px;border-radius:10px;font-weight:800;
  box-shadow:0 8px 22px rgba(47,128,237,.20);
  transition:.2s ease
}
.nav-cta:hover,.btn:hover{background:var(--tpt-blue);transform:translateY(-2px)}
.hero{
  position:relative;overflow:hidden;
  padding:92px 0;
  background:radial-gradient(circle at 85% 20%,rgba(47,128,237,.14),transparent 32%),linear-gradient(135deg,#F7FAFC,#EAF4FF)
}
.hero:before{content:"F = ma";position:absolute;right:4%;top:12%;font-size:clamp(3rem,7vw,6rem);font-weight:900;color:rgba(11,31,58,.035);transform:rotate(-8deg)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative}
.badge{display:inline-block;background:var(--tpt-light);border:1px solid #cfe5ff;color:var(--tpt-blue);border-radius:999px;padding:7px 14px;font-size:.78rem;font-weight:800;letter-spacing:.06em}
.hero p{font-size:1.14rem;color:#3d4b61;max-width:690px}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn.secondary{background:#fff;color:var(--tpt-navy)!important;border:1px solid var(--tpt-border);box-shadow:none}
.pdf-card{
  background:#fff;border:1px solid var(--tpt-border);border-radius:18px;padding:18px;
  box-shadow:0 25px 65px rgba(11,31,58,.17);transform:rotate(1.5deg)
}
.pdf-cover{aspect-ratio:3/4;background:linear-gradient(145deg,#0B1F3A,#1769AA);border-radius:10px;color:#fff;padding:38px;display:flex;flex-direction:column;justify-content:space-between}
.pdf-cover small{letter-spacing:.18em;font-weight:800}
.pdf-cover h2{color:#fff;font-size:2.3rem;margin:0}
.pdf-cover .formula{font-size:2rem;font-weight:800;opacity:.85}
.section{padding:92px 0}
.section-light{background:var(--tpt-bg)}
.center{text-align:center}
.section-intro{max-width:700px;margin:0 auto 42px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--tpt-border);border-radius:var(--tpt-radius);padding:28px;height:100%;box-shadow:0 8px 25px rgba(11,31,58,.04)}
.card:hover{transform:translateY(-4px);box-shadow:var(--tpt-shadow);transition:.2s}
.icon{width:48px;height:48px;border-radius:12px;background:var(--tpt-light);display:grid;place-items:center;color:var(--tpt-blue);font-weight:900;margin-bottom:18px}
.topics{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.topic{background:#fff;border:1px solid var(--tpt-border);padding:9px 15px;border-radius:999px;font-weight:700;font-size:.9rem}
.capture{display:grid;grid-template-columns:1fr 440px;gap:60px;align-items:center}
.capture-box{background:#fff;border:1px solid var(--tpt-border);border-radius:18px;padding:34px;box-shadow:var(--tpt-shadow)}
.capture-box label{display:block;font-size:.85rem;font-weight:700;margin:0 0 6px}
.capture-box input{width:100%;padding:14px 15px;border:1px solid #cbd5e1;border-radius:9px;margin:0 0 14px;font:inherit}
.capture-box input:focus{outline:none;border-color:var(--tpt-bright);box-shadow:0 0 0 3px rgba(47,128,237,.10)}
.capture-box button{width:100%;border:0;border-radius:9px;padding:15px;background:var(--tpt-bright);color:#fff;font-weight:800;font-size:1rem;cursor:pointer}
.capture-box button:disabled{opacity:.65;cursor:not-allowed}
.tpt-hp-field{position:absolute!important;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden}
.tpt-form-status{min-height:1.2em;margin:10px 0 0}
.tpt-form-status.is-error{color:#B3261E;font-weight:700}
.capture-box.is-submitted{opacity:.85}
.micro{font-size:.78rem;color:var(--tpt-muted);line-height:1.5}
.checks{padding:0;list-style:none}
.checks li{margin:10px 0;font-weight:600}
.checks li:before{content:"✓";color:var(--tpt-blue);font-weight:900;margin-right:10px}
.author{display:grid;grid-template-columns:280px 1fr;gap:50px;align-items:center}
.avatar{width:220px;height:220px;border-radius:50%;background:linear-gradient(145deg,var(--tpt-navy),var(--tpt-blue));display:grid;place-items:center;color:#fff;font-size:3.5rem;font-weight:900;margin:auto}
.dark-cta{background:linear-gradient(135deg,var(--tpt-navy),var(--tpt-blue));border-radius:24px;padding:60px;color:#fff}
.dark-cta h2,.dark-cta p{color:#fff}
.faq{max-width:850px;margin:auto}
details{border:1px solid var(--tpt-border);border-radius:12px;padding:18px 20px;margin:10px 0;background:#fff}
summary{cursor:pointer;font-weight:800;color:var(--tpt-navy)}
.site-footer{background:var(--tpt-navy);color:#cbd5e1;padding:45px 0}
.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.site-footer a{color:#e2e8f0}
.mobile-menu{display:none}
@media(max-width:900px){
  .nav{display:none}.mobile-menu{display:block}
  .hero-grid,.capture,.author{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .hero{padding:65px 0}
}
@media(max-width:600px){
  .cards{grid-template-columns:1fr}
  .section{padding:65px 0}
  .hero-grid{gap:35px}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .capture-box{padding:24px}
}