/* Lingo marketing/business site — landing, blog, pricing, help, legal, SEO.
   Loads after theme.css. Duolingo-archetype: app-first funnel, huge lowercase
   display headline, one green CTA, character doing the visual work, white space. */

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:2px solid var(--swan)}
.nav-in{max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:14px 22px}
.logo{display:flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:800;font-size:24px;color:var(--feather)}
.logo svg{width:36px;height:36px}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 14px;border-radius:12px;font-weight:800;font-size:14px;color:var(--hare);text-transform:uppercase;letter-spacing:.03em;transition:color .15s,background .15s}
.nav-links a:hover{color:var(--eel);background:var(--polar)}
.nav-links a.cta{color:#fff}
.nav-toggle{display:none;margin-left:auto;font-size:26px;background:none;color:var(--eel)}
@media(max-width:820px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px;gap:6px;border-bottom:2px solid var(--swan)}
  .nav-links.open{display:flex}
  .nav-links a{text-align:center;padding:14px}
  .nav-toggle{display:block}
}

/* ---------- hero ---------- */
.hero{max-width:1120px;margin:0 auto;padding:60px 22px 40px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.hero-art{display:grid;place-items:center}
.hero-art .stage{position:relative;width:min(360px,90%)}
.hero-art .blob{position:absolute;inset:-6% -8%;background:radial-gradient(circle at 50% 40%,#e9ffce,#d7ffb8);border-radius:44% 56% 60% 40%/50% 44% 56% 50%;z-index:0}
.hero-art svg{position:relative;z-index:1;width:100%;filter:drop-shadow(0 20px 30px rgba(88,204,2,.25))}
.hero h1{font-size:clamp(38px,5.4vw,60px);line-height:1.02;letter-spacing:-.02em}
.hero h1 em{color:var(--feather);font-style:normal}
.hero .sub{font-size:19px;color:var(--hare);font-weight:700;margin:18px 0 26px;max-width:440px}
.hero-cta{display:flex;flex-direction:column;gap:12px;max-width:340px}
.hero-cta .btn3d{width:100%}
.langbar{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}
.langbar .lang{display:flex;align-items:center;gap:6px;font-weight:800;font-size:13px;color:var(--hare);background:var(--polar);border-radius:10px;padding:7px 11px}
@media(max-width:820px){.hero{grid-template-columns:1fr;text-align:center;padding:40px 22px 20px}.hero-cta{margin:0 auto}.hero .sub{margin-inline:auto}.langbar{justify-content:center}.hero-art{order:-1}}

/* ---------- sections ---------- */
section{padding:72px 0}
.band{background:var(--polar)}
.band-green{background:linear-gradient(180deg,#58cc02,#46a302);color:#fff}
.band-green h2,.band-green h3{color:#fff}
.sec{max-width:1120px;margin:0 auto;padding:0 22px}
.sec-head{text-align:center;max-width:640px;margin:0 auto 44px}
.sec-head h2{font-size:clamp(28px,3.6vw,40px);margin-bottom:12px}
.sec-head p{font-size:18px;color:var(--hare);font-weight:700}
.band-green .sec-head p{color:rgba(255,255,255,.9)}

/* feature rows (alternating) */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;max-width:1000px;margin:0 auto 30px}
.frow:nth-child(even) .fart{order:2}
.frow h3{font-size:28px;margin-bottom:12px}
.frow p{font-size:17px;color:var(--hare);font-weight:700}
.fart{background:#fff;border:2px solid var(--swan);border-radius:24px;padding:26px;min-height:220px;display:grid;place-items:center}
.band-green .fart{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25)}
@media(max-width:760px){.frow{grid-template-columns:1fr;gap:22px}.frow:nth-child(even) .fart{order:0}}

/* value cards */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1000px;margin:0 auto}
.vcard{background:#fff;border:2px solid var(--swan);border-radius:20px;padding:26px;text-align:center}
.vcard .em{font-size:44px}
.vcard h3{font-size:20px;margin:10px 0 8px}
.vcard p{font-size:15px;color:var(--hare);font-weight:700}
@media(max-width:760px){.cards3{grid-template-columns:1fr}}

/* stats strip */
.statline{display:flex;justify-content:center;gap:48px;flex-wrap:wrap;text-align:center}
.statline .n{font-family:var(--font-display);font-weight:800;font-size:44px;color:var(--feather)}
.band-green .statline .n{color:#fff}
.statline .l{font-weight:800;color:var(--hare);text-transform:uppercase;letter-spacing:.04em;font-size:13px}
.band-green .statline .l{color:rgba(255,255,255,.85)}

/* testimonials */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1000px;margin:0 auto}
.quote{background:#fff;border:2px solid var(--swan);border-radius:20px;padding:24px}
.quote p{font-size:16px;font-weight:700;margin-bottom:16px}
.quote .who{display:flex;align-items:center;gap:10px}
.quote .who .a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800}
.quote .who b{display:block}.quote .who span{font-size:13px;color:var(--hare);font-weight:700}
@media(max-width:760px){.quotes{grid-template-columns:1fr}}

/* faq */
.faq{max-width:760px;margin:0 auto}
.faq details{border:2px solid var(--swan);border-radius:16px;padding:4px 20px;margin-bottom:12px;background:#fff}
.faq summary{font-weight:800;font-size:17px;padding:16px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:'+';font-size:24px;color:var(--wolf)}
.faq details[open] summary::after{content:'–'}
.faq details p{padding:0 0 18px;color:var(--hare);font-weight:700;font-size:15px}

/* newsletter */
.news{max-width:560px;margin:0 auto;text-align:center}
.news form{display:flex;gap:10px;margin-top:20px}
.news input{flex:1;padding:15px 18px;border:2px solid var(--swan);border-radius:14px;font-family:var(--font-ui);font-weight:700;font-size:16px}
.news input:focus{outline:none;border-color:var(--feather)}
.news .ok{color:var(--feather);font-weight:800;margin-top:14px}
@media(max-width:520px){.news form{flex-direction:column}}

/* footer */
.foot{background:#4b4b4b;color:#fff;padding:56px 0 30px}
.foot-in{max-width:1120px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}
.foot h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;opacity:.7;font-family:var(--font-ui)}
.foot a{display:block;color:rgba(255,255,255,.82);font-weight:700;font-size:15px;padding:5px 0}
.foot a:hover{color:#fff}
.foot .logo{color:#fff}
.foot .col p{color:rgba(255,255,255,.6);font-weight:700;font-size:14px;margin-top:12px;max-width:280px}
.foot-bot{max-width:1120px;margin:30px auto 0;padding:20px 22px 0;border-top:1px solid rgba(255,255,255,.15);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:rgba(255,255,255,.55);font-weight:700;font-size:13px}
@media(max-width:760px){.foot-in{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.foot-in{grid-template-columns:1fr}}

/* generic content pages (blog post, legal, help) */
.page{max-width:760px;margin:0 auto;padding:48px 22px 80px}
.page.wide{max-width:1000px}
.crumb{font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--feather);margin-bottom:14px}
.page h1{font-size:clamp(30px,4.5vw,46px);line-height:1.05;margin-bottom:16px}
.page .meta{color:var(--hare);font-weight:700;margin-bottom:32px;display:flex;align-items:center;gap:10px}
.prose{font-size:17px;line-height:1.7;color:#3c3c3c}
.prose h2{font-size:26px;margin:36px 0 14px}
.prose h3{font-size:20px;margin:28px 0 10px}
.prose p{margin-bottom:18px}
.prose ul,.prose ol{margin:0 0 18px 22px}
.prose li{margin-bottom:8px}
.prose a{color:var(--gem);font-weight:800;text-decoration:underline}
.prose blockquote{border-left:4px solid var(--feather);padding:6px 20px;margin:22px 0;background:var(--polar);border-radius:0 12px 12px 0;font-weight:700;font-style:italic}
.prose code{background:var(--polar);padding:2px 6px;border-radius:6px;font-size:15px}
.prose img{width:100%;border-radius:16px;margin:22px 0;border:2px solid var(--swan)}
.callout{background:#f0f9ff;border:2px solid #c7ecff;border-radius:16px;padding:18px 22px;margin:24px 0}

/* blog index */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.bcard{border:2px solid var(--swan);border-radius:20px;overflow:hidden;transition:transform .15s,box-shadow .15s;background:#fff;display:flex;flex-direction:column}
.bcard:hover{transform:translateY(-4px);box-shadow:0 10px 0 var(--swan)}
.bcard .thumb{height:150px;display:grid;place-items:center;font-size:60px}
.bcard .body{padding:20px;flex:1;display:flex;flex-direction:column}
.bcard .tag{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--feather)}
.bcard h3{font-size:20px;margin:8px 0;line-height:1.2}
.bcard p{color:var(--hare);font-weight:700;font-size:14px;flex:1}
.bcard .rd{margin-top:14px;font-weight:800;color:var(--gem);font-size:14px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1000px;margin:0 auto;align-items:stretch}
.plan{border:2px solid var(--swan);border-radius:22px;padding:28px;display:flex;flex-direction:column;background:#fff}
.plan.feat{border-color:var(--feather);box-shadow:0 6px 0 #b8e986;position:relative}
.plan .ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--feather);color:#fff;font-weight:800;font-size:12px;padding:5px 16px;border-radius:999px;text-transform:uppercase;letter-spacing:.05em}
.plan h3{font-size:22px}
.plan .price{font-family:var(--font-display);font-weight:800;font-size:40px;margin:8px 0 2px}
.plan .price span{font-size:16px;color:var(--hare);font-weight:700}
.plan .plan-desc{color:var(--hare);font-weight:700;font-size:14px;margin-bottom:18px;min-height:40px}
.plan ul{list-style:none;margin:0 0 22px;flex:1}
.plan li{padding:8px 0 8px 28px;position:relative;font-weight:700;font-size:15px;border-bottom:1px solid var(--polar)}
.plan li::before{content:'✓';position:absolute;left:0;color:var(--feather);font-weight:900}
.plan li.no{color:var(--wolf)}.plan li.no::before{content:'–';color:var(--wolf)}
.plan .btn3d{width:100%;margin-top:auto}
@media(max-width:820px){.plans{grid-template-columns:1fr;max-width:420px}}

.pill-tag{display:inline-block;background:var(--polar);border:2px solid var(--swan);color:var(--hare);font-weight:800;font-size:12px;padding:4px 12px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}