/* Prostapinol scientific landing page — static, dependency-free */
:root{
  --navy:#082c46; --navy-2:#123f5a; --ink:#102638; --muted:#667786;
  --sky:#b8d9e5; --sky-2:#e9f5f8; --green:#2f7150; --line:#d8e4e9;
  --paper:#ffffff; --soft:#f5f9fb; --warm:#f8f5ef; --amber:#9a6a20;
  --radius:24px; --shadow:0 18px 60px rgba(8,44,70,.10);
  --max:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.62}
a{color:var(--navy-2);text-underline-offset:3px} a:hover{color:var(--green)}
img{max-width:100%;height:auto;display:block}.wrap{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0}.skip:focus{left:16px;top:16px;z-index:100;background:#fff;padding:10px 14px;border-radius:10px}
.site-head{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(8,44,70,.08)}
.nav{height:80px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;text-decoration:none;margin-right:auto}.brand img{width:148px;height:auto}
.navlinks{display:flex;align-items:center;gap:22px}.navlinks a{text-decoration:none;font-size:.93rem;font-weight:650;color:var(--ink)}
.lang{display:flex;gap:5px;padding:4px;background:var(--soft);border-radius:999px}.lang a{padding:6px 9px;border-radius:999px;font-size:.77rem;font-weight:760;text-decoration:none}.lang a[aria-current="page"]{background:var(--navy);color:white}
.menu-btn{display:none;border:1px solid var(--line);background:white;border-radius:12px;padding:8px 11px;font-size:1.15rem}
.hero{background:linear-gradient(145deg,#f8fcfd 0%,#eaf6f8 56%,#fff 100%);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;right:-180px;top:-220px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,#c7e6ed 0%,rgba(199,230,237,0) 68%)}
.hero-grid{min-height:720px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:44px;padding:72px 0 60px;position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.83rem;font-weight:750;color:var(--navy);letter-spacing:.02em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}
h1{font-size:clamp(2.65rem,5.7vw,5.3rem);line-height:1.01;letter-spacing:-.055em;margin:24px 0 22px;max-width:880px;color:var(--navy)}
.hero p.lead{font-size:clamp(1.08rem,1.7vw,1.28rem);max-width:700px;color:#3c5364;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:13px;text-decoration:none;font-weight:760;border:1px solid transparent}.btn-primary{background:var(--navy);color:white}.btn-primary:hover{background:#124766;color:white}.btn-ghost{background:white;border-color:var(--line);color:var(--navy)}
.trustline{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;color:#5a6c79;font-size:.89rem}.trustline span{display:flex;gap:6px;align-items:center}.trustline b{color:var(--green)}
.hero-visual{display:flex;justify-content:center;align-items:flex-end;position:relative}.hero-visual:before{content:"";position:absolute;width:430px;height:430px;border-radius:50%;background:#d9edf2;bottom:70px}.hero-visual img{position:relative;width:min(420px,92%);height:auto;max-height:620px;object-fit:contain;filter:drop-shadow(0 32px 34px rgba(8,44,70,.18))}
.notice{margin-top:-1px;background:var(--navy);color:#ecf7fa}.notice .wrap{padding:14px 0;font-size:.89rem;display:flex;gap:10px;align-items:flex-start}.notice strong{color:white}
.section{padding:92px 0}.section.soft{background:var(--soft)}.section.warm{background:var(--warm)}.section-head{max-width:820px;margin-bottom:42px}.kicker{text-transform:uppercase;letter-spacing:.14em;color:var(--green);font-size:.76rem;font-weight:820}.section h2{font-size:clamp(2rem,3.6vw,3.2rem);line-height:1.08;letter-spacing:-.035em;color:var(--navy);margin:10px 0 16px}.section-head p{font-size:1.08rem;color:#536979;margin:0}
.science-band{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.science-stat{padding:24px;border:1px solid var(--line);border-radius:20px;background:white}.science-stat .num{font-size:2rem;font-weight:820;color:var(--navy);line-height:1.05}.science-stat p{margin:8px 0 0;color:var(--muted);font-size:.92rem}
.ing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.ingredient{background:white;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 10px 36px rgba(8,44,70,.05)}.ingredient-media{height:218px;background:#eaf2f3;position:relative;overflow:hidden}.ingredient-media img{width:100%;height:100%;object-fit:cover}.ingredient-media.element{display:grid;place-items:center;background:linear-gradient(145deg,#e9f5f8,#d7e8ed)}.element-tile{width:120px;height:120px;border:2px solid rgba(8,44,70,.2);border-radius:18px;display:grid;place-items:center;background:rgba(255,255,255,.72);box-shadow:0 14px 38px rgba(8,44,70,.08)}.element-tile b{font-size:3.6rem;line-height:1;color:var(--navy)}.element-tile small{display:block;text-align:center;color:var(--muted);font-weight:700}.ingredient-body{padding:22px}.ingredient h3{margin:0 0 5px;color:var(--navy);font-size:1.22rem}.latin{font-style:italic;color:var(--muted);font-size:.88rem}.dose{margin:12px 0 13px;font-weight:780;color:var(--green)}.evidence-tag{display:inline-block;border-radius:999px;padding:5px 9px;font-size:.74rem;font-weight:800;background:var(--sky-2);color:var(--navy)}.evidence-tag.limited{background:#fff1dc;color:#7a511b}.evidence-tag.none{background:#f1f3f5;color:#606b73}.ingredient p{font-size:.94rem;color:#526878;margin:12px 0}.mini-link{font-size:.88rem;font-weight:760}
.evidence-list{display:grid;gap:18px}.evidence-card{display:grid;grid-template-columns:160px 1fr;gap:22px;padding:24px;border-radius:22px;background:white;border:1px solid var(--line)}.grade{align-self:start;border-radius:16px;padding:14px;background:var(--sky-2);color:var(--navy);font-weight:810;text-align:center}.grade small{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#577082;margin-bottom:4px}.evidence-card h3{margin:0 0 8px;font-size:1.22rem;color:var(--navy)}.evidence-card p{margin:0 0 10px;color:#526878}.study-links{display:flex;gap:10px;flex-wrap:wrap}.study-links a{font-size:.84rem;font-weight:740;background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:7px 9px;text-decoration:none}
.context{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.context-card{padding:28px;border-radius:22px;border:1px solid var(--line);background:white}.context-card h3{margin-top:0;color:var(--navy)}.context-card ul{padding-left:18px;color:#526878}.context-card li+li{margin-top:8px}.caution{border-left:4px solid var(--amber);background:#fff9ef}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:white}table{border-collapse:collapse;width:100%;min-width:620px}th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line)}th{background:#f1f7f9;color:var(--navy);font-size:.86rem}tr:last-child td{border-bottom:0}.table-note{font-size:.83rem;color:var(--muted);margin-top:12px}
.faq{max-width:900px}.faq details{background:white;border:1px solid var(--line);border-radius:16px;padding:0 18px;margin:12px 0}.faq summary{cursor:pointer;font-weight:780;color:var(--navy);padding:18px 0}.faq details p{margin:0 0 18px;color:#536979}
.cta{padding:72px 0;background:linear-gradient(135deg,var(--navy),#174e69);color:white}.cta-grid{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}.cta h2{color:white;margin:0 0 8px}.cta p{color:#d9edf3;margin:0;max-width:760px}.cta .btn{background:white;color:var(--navy)}
footer{background:#071f32;color:#b9cad4;padding:44px 0 26px}.foot-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}.foot-logo{width:150px;background:white;padding:10px;border-radius:12px}.foot-small{font-size:.82rem;line-height:1.55}.foot-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}.foot-links a{color:#d7e8ee}.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;margin-top:26px;font-size:.78rem;color:#8fa6b4}
.source-note{font-size:.8rem;color:var(--muted);margin-top:22px}.source-note a{word-break:break-word}
.lang-gateway{min-height:100vh;background:linear-gradient(145deg,#f8fcfd,#eaf6f8);display:grid;place-items:center;padding:36px}.gateway-card{max-width:820px;width:100%;background:white;border:1px solid var(--line);border-radius:28px;padding:42px;box-shadow:var(--shadow);text-align:center}.gateway-card img{width:190px;margin:0 auto 22px}.gateway-card h1{font-size:2.8rem;margin:12px auto}.gateway-langs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:30px}.gateway-langs a{padding:16px 10px;border:1px solid var(--line);border-radius:14px;text-decoration:none;font-weight:780}.gateway-langs a:hover{background:var(--sky-2)}
@media(max-width:960px){.navlinks{display:none}.menu-btn{display:block}.nav.open .navlinks{display:flex;position:absolute;left:20px;right:20px;top:74px;flex-direction:column;align-items:stretch;padding:18px;background:white;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.hero-grid{grid-template-columns:1fr;min-height:auto;padding-top:56px}.hero-copy{text-align:center}.hero p.lead{margin-inline:auto}.hero-actions,.trustline{justify-content:center}.hero-visual img{width:340px}.science-band,.ing-grid{grid-template-columns:1fr 1fr}.context{grid-template-columns:1fr}.cta-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr}.foot-links{justify-content:flex-start}}
@media(max-width:640px){.wrap{width:min(100% - 26px,var(--max))}.nav{height:70px}.brand img{width:122px}.lang{display:none}.section{padding:68px 0}.science-band,.ing-grid{grid-template-columns:1fr}.evidence-card{grid-template-columns:1fr}.grade{text-align:left}.gateway-card{padding:28px 20px}.gateway-langs{grid-template-columns:1fr 1fr}h1{font-size:2.65rem}.hero-grid{gap:22px}.hero-visual:before{width:320px;height:320px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}