/*
Theme Name: StudySmart Hub Final
Version: 3.0
Description: Complete, student-focused SEO mini-project website for StudySmart Hub.
*/
:root{--ink:#172554;--brand:#4f46e5;--brand2:#3730a3;--sky:#eef2ff;--text:#1e293b;--muted:#64748b;--line:#e2e8f0;--soft:#f8fafc;--white:#fff;--max:1180px;--r:18px;--shadow:0 18px 50px rgba(23,37,84,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;line-height:1.65;background:#fff}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand2)}img{max-width:100%;height:auto}.container{width:min(92%,var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:900;font-size:1.08rem;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--brand);color:#fff;font-weight:900}.main-nav ul{display:flex;align-items:center;gap:20px;list-style:none;padding:0;margin:0}.main-nav a{font-size:.9rem;font-weight:750;color:#334155}.main-nav a:hover,.main-nav .current-menu-item>a{color:var(--brand)}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;font-weight:800}
.hero{background:radial-gradient(circle at 80% 20%,#e0e7ff 0,transparent 28%),linear-gradient(135deg,#eef2ff 0%,#fff 70%);padding:82px 0 76px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:55px;align-items:center}.eyebrow{display:inline-block;background:#e0e7ff;color:var(--brand2);padding:7px 12px;border-radius:999px;font-size:.76rem;font-weight:900;letter-spacing:.03em}.hero h1{font-size:clamp(2.8rem,5.3vw,4.8rem);line-height:1.02;letter-spacing:-.05em;color:var(--ink);margin:18px 0}.lead{font-size:1.12rem;color:var(--muted);max-width:760px}.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:11px;font-weight:850}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand2);color:#fff}.btn-secondary{background:#fff;color:var(--ink);border:1px solid #cbd5e1}.hero-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow)}.hero-item{display:flex;gap:14px;padding:18px 10px;border-bottom:1px solid var(--line)}.hero-item:last-child{border:0}.icon{width:44px;height:44px;display:grid;place-items:center;background:var(--sky);color:var(--brand);border-radius:13px;font-weight:950;flex:0 0 auto}.hero-item strong{display:block;color:var(--ink);font-size:1rem}.hero-item span{display:block;color:var(--muted);font-size:.9rem;margin-top:2px}
.section{padding:74px 0}.section-alt{background:var(--soft)}.section-head{margin-bottom:28px}.section-head h2{max-width:760px}.section-head p{color:var(--muted);max-width:720px}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}.card:hover{box-shadow:0 12px 32px rgba(23,37,84,.08);transform:translateY(-2px);transition:.18s}.card h3{color:var(--ink);margin:7px 0}.card p{color:var(--muted);margin:6px 0}.tag{display:inline-block;background:#f1f5f9;color:#475569;border-radius:999px;padding:5px 9px;font-size:.7rem;font-weight:900}.link{font-weight:850;display:inline-block;margin-top:12px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px}.stat strong{display:block;color:var(--brand);font-size:1.6rem}.stat span{color:var(--muted);font-size:.9rem}.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;list-style:none;padding:0}.checklist li{padding:12px 14px;border:1px solid var(--line);background:#f8fafc;border-radius:10px}.cta{background:var(--ink);border-radius:24px;padding:42px;color:#fff}.cta h2{color:#fff}.cta p{color:#dbe4f0}
.page-hero{background:linear-gradient(135deg,#eef2ff,#fff);padding:60px 0 46px;border-bottom:1px solid var(--line)}h1,h2,h3{color:var(--ink);line-height:1.15}h1{font-size:clamp(2.25rem,4.5vw,3.7rem);letter-spacing:-.04em;margin:15px 0}h2{font-size:clamp(1.7rem,3vw,2.35rem);letter-spacing:-.025em;margin:0 0 14px}h3{font-size:1.2rem;margin:0 0 8px}.content{padding:48px 0 82px;max-width:940px}.content>p{font-size:1.04rem}.content p,.content li{color:#475569}.content h2{margin-top:42px}.content h3{margin-top:28px}.comparison{width:100%;border-collapse:collapse;margin:22px 0;background:#fff;border:1px solid var(--line);font-size:.95rem}.comparison th,.comparison td{border:1px solid var(--line);padding:13px 14px;text-align:left;vertical-align:top}.comparison th{background:#f8fafc;color:var(--ink)}.notice{padding:17px 20px;background:#eef2ff;border-left:4px solid var(--brand);border-radius:8px;margin:25px 0}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}.mini{padding:17px;border:1px solid var(--line);border-radius:14px;background:#fff}.mini strong{display:block;color:var(--ink);margin-bottom:4px}.mini span{font-size:.88rem;color:var(--muted)}.steps{counter-reset:step;display:grid;gap:12px}.step{counter-increment:step;display:flex;gap:15px;padding:17px;border:1px solid var(--line);border-radius:14px}.step:before{content:counter(step);width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--sky);color:var(--brand2);font-weight:900;flex:0 0 auto}.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.post-card{display:block;color:inherit}.post-card:hover{color:inherit}.post-card .post-meta{margin-bottom:8px}.post-meta{color:#7c8798;font-size:.84rem}.site-footer{background:#0b1324;color:#cbd5e1;padding:50px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}.site-footer h3{color:#fff}.site-footer a{color:#cbd5e1}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:.84rem}.breadcrumbs{font-size:.83rem;color:#64748b;margin-bottom:8px}.faq{border-top:1px solid var(--line)}.faq details{padding:17px 0;border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:850;color:var(--ink)}
@media(max-width:920px){.hero-grid,.grid-3,.post-grid,.mini-grid,.footer-grid{grid-template-columns:1fr}.grid-2,.stats{grid-template-columns:repeat(2,1fr)}.main-nav{display:none;width:100%}.main-nav.open{display:block}.main-nav ul{flex-direction:column;align-items:flex-start;padding:12px 0}.nav-toggle{display:block}.header-inner{flex-wrap:wrap;padding:10px 0}}
@media(max-width:620px){.grid-2,.stats,.checklist{grid-template-columns:1fr}.hero{padding:55px 0}.section{padding:55px 0}.comparison{font-size:.84rem}.comparison th,.comparison td{padding:10px}.hero h1{font-size:2.7rem}}