/* Solve A Word - modern design system */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --p:#4f46e5;        /* indigo primary */
  --p2:#7c3aed;       /* violet accent */
  --ph:#4338ca;
  --ink:#111527;      /* near-black text */
  --mut:#5b6478;      /* muted text */
  --line:#e6e9f2;     /* borders */
  --bg:#f6f7fb;       /* page background */
  --card:#ffffff;
  --soft:#f0f2f9;     /* soft fill */
  --ok:#0f9d58;
  --r:14px;
  --shadow:0 10px 40px rgba(24,28,60,.10);
  --shadow-sm:0 2px 10px rgba(24,28,60,.06);
}
html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.65;min-height:100vh;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.c{max-width:960px;margin:0 auto;padding:0 20px}
a{color:var(--p)}

/* Header */
.hd{background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);padding:12px 0;position:sticky;top:0;z-index:100}
.hd .c{display:flex;align-items:center;justify-content:space-between}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:1.12rem;font-weight:800;color:var(--ink);text-decoration:none;letter-spacing:-.4px}
.logo .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--p),var(--p2));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.95rem;box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;gap:2px}
.nav a{color:var(--mut);text-decoration:none;font-size:.86rem;font-weight:600;padding:7px 12px;border-radius:9px;transition:.15s}
.nav a:hover{color:var(--p);background:var(--soft)}
.nav-more-btn{background:none;border:none;color:var(--mut);font-size:.86rem;cursor:pointer;font-family:inherit;font-weight:600;padding:7px 12px;border-radius:9px}
.nav-more-btn:hover{color:var(--p);background:var(--soft)}
.nav-dropdown{display:none;position:absolute;right:20px;top:52px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);list-style:none;padding:8px 0;z-index:200;min-width:210px}
.nav-dropdown.open{display:block}
.nav-dropdown li a{display:block;padding:10px 18px;font-size:.86rem;color:var(--ink);text-decoration:none}
.nav-dropdown li a:hover{background:var(--soft);color:var(--p)}

/* Hero */
.hero{background:linear-gradient(140deg,#4f46e5 0%,#7c3aed 55%,#a855f7 100%);padding:52px 0 72px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-40%;right:-15%;width:620px;height:620px;background:radial-gradient(circle,rgba(255,255,255,.12) 0%,transparent 68%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-50%;left:-10%;width:520px;height:520px;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 68%);border-radius:50%}
.hero .c{position:relative;z-index:1}
.hero .eyebrow{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:rgba(255,255,255,.82);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);padding:5px 12px;border-radius:999px;margin-bottom:16px}
.hero h1{font-size:2.3rem;font-weight:800;color:#fff;margin-bottom:10px;letter-spacing:-.7px;line-height:1.15}
.hero .sub{font-size:1.02rem;color:rgba(255,255,255,.88);max-width:560px;margin:0 auto}

/* Tool card floating over hero */
.tool-wrap{margin-top:-44px;position:relative;z-index:10;padding-bottom:12px}
.tool-card{background:var(--card);border-radius:20px;padding:26px 24px;box-shadow:var(--shadow);border:1px solid var(--line)}
.form{display:flex;gap:10px;margin-bottom:12px}
.form input{flex:1;padding:16px 18px;font-size:1.2rem;border:2px solid var(--line);border-radius:12px;outline:none;text-transform:uppercase;letter-spacing:2px;font-weight:700;color:var(--ink);transition:.15s}
.form input:focus{border-color:var(--p);box-shadow:0 0 0 4px rgba(79,70,229,.12)}
.form input::placeholder{text-transform:none;letter-spacing:normal;font-weight:400;color:#9aa2b6}
.btn{padding:16px 28px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;white-space:nowrap;transition:.18s;box-shadow:var(--shadow-sm)}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(79,70,229,.28)}
.btn:active{transform:translateY(0)}
.hint{font-size:.8rem;color:var(--mut);text-align:center;margin-bottom:14px}
.hint strong{color:var(--p)}

/* Options + filters */
.opts{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}
.opts select{padding:10px 14px;font-size:.84rem;border:1px solid var(--line);border-radius:10px;outline:none;background:var(--card);color:var(--ink);cursor:pointer;font-family:inherit}
.opts select:focus{border-color:var(--p)}
.opts label{display:flex;align-items:center;gap:6px;font-size:.84rem;color:var(--mut);cursor:pointer;user-select:none}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filters input{flex:1;min-width:110px;padding:10px 13px;font-size:.85rem;border:1px solid var(--line);border-radius:10px;outline:none;font-family:inherit}
.filters input:focus{border-color:var(--p)}
.filters input::placeholder{color:#9aa2b6}

/* Results */
.results-container{margin-top:18px}
.results-summary{font-size:.9rem;color:var(--mut);padding:12px 16px;background:var(--soft);border-radius:10px;margin-bottom:16px}
.results-summary strong{color:var(--p);font-weight:800}
.word-group{margin-bottom:18px}
.word-group-header{font-size:.82rem;font-weight:700;color:var(--p);text-transform:uppercase;letter-spacing:.4px;margin-bottom:10px;padding-bottom:7px;border-bottom:2px solid var(--soft)}
.word-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:8px}
.word-item{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:9px 12px;background:var(--card);border:1px solid var(--line);border-radius:10px;font-size:.86rem;font-weight:700;letter-spacing:.3px;cursor:pointer;transition:.12s}
.word-item:hover{border-color:var(--p);background:#f5f4ff;transform:translateY(-1px)}
.word-item .points{background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;font-size:.68rem;font-weight:700;padding:2px 7px;border-radius:6px;letter-spacing:0}
.loading{text-align:center;color:var(--mut);padding:28px;font-size:.9rem}
.loading::after{content:'...';animation:dots 1.2s steps(4,end) infinite}
@keyframes dots{0%,20%{content:''}40%{content:'.'}60%{content:'..'}80%,100%{content:'...'}}
.no-results{text-align:center;color:var(--mut);padding:28px 16px}
.no-results p{margin-bottom:6px}

/* Sections */
section.block{padding:44px 0}
section.block.alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2.sec{font-size:1.5rem;font-weight:800;letter-spacing:-.4px;margin-bottom:8px}
p.lead{font-size:.98rem;color:var(--mut);max-width:640px;margin-bottom:26px}

/* How it works */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;box-shadow:var(--shadow-sm)}
.step .n{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-size:.95rem}
.step h3{font-size:1rem;font-weight:700;margin-bottom:5px}
.step p{font-size:.88rem;color:var(--mut)}

/* Feature grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;box-shadow:var(--shadow-sm)}
.card h3{font-size:.98rem;font-weight:700;margin-bottom:6px}
.card p{font-size:.87rem;color:var(--mut)}

/* Hub links */
.hublinks{display:flex;flex-wrap:wrap;gap:10px}
.hublinks a{display:inline-block;padding:10px 16px;font-size:.86rem;font-weight:600;color:var(--p);background:var(--card);border:1px solid var(--line);border-radius:11px;text-decoration:none;transition:.14s;box-shadow:var(--shadow-sm)}
.hublinks a:hover{border-color:var(--p);background:#f5f4ff;transform:translateY(-1px)}

/* Editorial */
.prose h2{font-size:1.4rem;font-weight:800;margin:32px 0 10px;letter-spacing:-.3px}
.prose h3{font-size:1.08rem;font-weight:700;margin:24px 0 8px}
.prose p{font-size:.95rem;color:#374151;margin-bottom:14px}
.prose ul{margin:0 0 16px 22px}
.prose li{font-size:.94rem;color:#374151;margin-bottom:7px}
.prose a{color:var(--p);font-weight:600}

/* FAQ */
.faq{border:1px solid var(--line);border-radius:var(--r);background:var(--card);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:none}
.faq summary{padding:16px 20px;font-weight:700;font-size:.95rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:1.3rem;color:var(--p);font-weight:400;line-height:1}
.faq details[open] summary::after{content:'\2212'}
.faq details p{padding:0 20px 18px;font-size:.9rem;color:var(--mut)}

/* Word popup (bottom sheet) */
.word-popup{display:none;position:fixed;left:0;right:0;bottom:0;background:var(--card);border-top:1px solid var(--line);border-radius:18px 18px 0 0;box-shadow:0 -10px 40px rgba(24,28,60,.18);padding:20px 22px 26px;z-index:9998;max-width:520px;margin:0 auto}
.word-popup.active{display:block;animation:sheet .22s ease}
@keyframes sheet{from{transform:translateY(100%)}to{transform:translateY(0)}}
.word-popup-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.word-popup-header h3{font-size:1.3rem;font-weight:800;letter-spacing:1px}
.word-popup-close{background:var(--soft);border:none;width:34px;height:34px;border-radius:50%;font-size:1.3rem;color:var(--mut);cursor:pointer;line-height:1}
.word-popup-points{display:flex;gap:20px;margin-bottom:12px;font-size:.9rem;color:var(--mut)}
.word-popup-points strong{color:var(--p);font-size:1.05rem}
.word-popup-definition{font-size:.92rem;color:#374151;white-space:pre-line}

/* Footer */
.site-footer{background:#0f1226;color:#c3c9de;padding:40px 0 32px;margin-top:8px}
.site-footer .c{text-align:center}
.site-footer p{font-size:.82rem;color:#9298b5;margin-bottom:6px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:center;margin:16px 0}
.site-footer nav a{color:#c3c9de;text-decoration:none;font-size:.84rem;font-weight:500}
.site-footer nav a:hover{color:#fff}
.site-footer .fine{font-size:.72rem;color:#6b7194;max-width:640px;margin:10px auto 0}

/* Responsive */
@media (max-width:720px){
  .hero h1{font-size:1.85rem}
  .hero{padding:42px 0 64px}
  .steps,.grid{grid-template-columns:1fr}
  .form{flex-direction:column}
  .btn{width:100%}
  .nav a:not(.nav-primary){display:none}
}