/*
Theme Name: Research AI
Theme URI: https://thewritingproject.me
Author: The Writing Project
Description: Lean validation theme. Single column, conversion focused. Forms post to Web3Forms; set your key once in footer.php.
Version: 1.0
Requires at least: 6.0
Tested up to: 7.0
*/
:root{--ink:#14202e;--muted:#566372;--line:#e4e8ee;--accent:#1f5e8f;--accent-dark:#16456a;--bg:#fbfcfd;--card:#fff}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{position:sticky;top:0;background:rgba(251,252,253,.92);backdrop-filter:saturate(180%) blur(8px);-webkit-backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);z-index:50}
.nav{max-width:880px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.brand{font-weight:700;font-size:18px;letter-spacing:.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand span{color:var(--accent)}
.nav-links{display:flex;gap:22px;flex-wrap:wrap}
.nav-links a{font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.site-main{max-width:760px;margin:0 auto;padding:56px 20px 72px}
.site-footer{border-top:1px solid var(--line);background:#fff;margin-top:40px}
.foot{max-width:760px;margin:0 auto;padding:28px 20px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.rai .kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.rai h1{font-size:42px;line-height:1.14;letter-spacing:-.02em;margin:0 0 18px}
.rai .sub{font-size:20px;color:var(--muted);max-width:620px;margin:0 0 6px}
.rai .for{font-size:13px;color:var(--muted);margin-top:22px}
.rai .for b{color:var(--ink)}
.rai .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.rai .btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 22px;border-radius:8px;font-size:15px;font-weight:600}
.rai .btn:hover{background:var(--accent-dark);text-decoration:none}
.rai .btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}
.rai .btn.ghost:hover{background:#fff;color:var(--accent-dark)}
.rai section{padding:34px 0 0;border-top:1px solid var(--line);margin-top:40px}
.rai h2{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin:0 0 22px}
.rai .point{margin-bottom:24px}
.rai .point h3{font-size:22px;margin:0 0 6px}
.rai .point p{color:var(--muted);font-size:17px;margin:0}
.rai .step{display:flex;gap:14px;margin-bottom:14px}
.rai .step .n{font-weight:700;color:var(--accent);min-width:26px}
.rai .step p{margin:0;font-size:17px}
.rai .faq{margin-bottom:22px}
.rai .faq h3{font-size:18px;margin:0 0 4px}
.rai .faq p{color:var(--muted);font-size:16px;margin:0}
.rai .band{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px;margin-top:40px;text-align:center}
.rai .band h2{border:0;color:var(--ink);font-size:24px;text-transform:none;letter-spacing:normal;margin-bottom:18px}
.rai .cta{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px;margin-top:30px}
.rai .field{margin-bottom:16px}
.rai label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.rai input,.rai select,.rai textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;background:#fff;color:var(--ink)}
.rai textarea{min-height:130px;resize:vertical}
.rai button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:13px 22px;font-size:16px;font-weight:600;cursor:pointer}
.rai button:hover{background:var(--accent-dark)}
.rai .note{font-size:13px;color:var(--muted);margin-top:16px}
.rai .result{font-size:16px;margin-top:14px;color:var(--accent-dark)}
.rai .hp{position:absolute;left:-9999px}
@media(max-width:600px){.rai h1{font-size:32px}.rai .sub{font-size:18px}.nav-links{gap:14px}}