@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');
:root{--ink:#241634;--muted:#695d75;--primary:#6f2da8;--primary2:#9a4dcc;--accent:#d40063;--paper:#fffdf8;--soft:#f7f1ff;--line:#e8ddf1;--green:#257a55;--red:#a63d4b;--shadow:0 16px 42px rgba(63,32,86,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Poppins",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7}a{color:var(--primary);text-decoration:none}img{max-width:100%;height:auto;display:block}.container{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid transparent}.site-header.scrolled{border-color:var(--line);box-shadow:0 8px 24px rgba(50,24,70,.06)}.nav{height:76px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:20px;margin-right:auto}.brand img{width:42px;height:42px;border-radius:12px}.nav-links{display:flex;align-items:center;gap:22px}.nav-links a{font-size:14px;font-weight:600;color:#51465c}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:14px;padding:13px 20px;font:600 14px Poppins,Arial,sans-serif;cursor:pointer;transition:.22s ease}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:white;box-shadow:0 10px 24px rgba(111,45,168,.22)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(111,45,168,.3)}.btn-soft{background:var(--soft);color:var(--primary);border:1px solid #dfcff0}.menu-btn{display:none;background:none;border:0;padding:8px;color:var(--ink)}.hero{position:relative;overflow:hidden;padding:76px 0 52px;background:radial-gradient(circle at 50% 20%,#f2e7ff 0,transparent 32%),linear-gradient(#fff,#fffafc)}.hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(111,45,168,.13);border-radius:50%;left:50%;transform:translateX(-50%);pointer-events:none}.hero:before{width:720px;height:720px;top:-390px}.hero:after{width:920px;height:920px;top:-490px}.hero-inner{text-align:center;position:relative;z-index:1}.eyebrow{display:inline-flex;gap:8px;align-items:center;border:1px solid #dfcff0;background:#fff;border-radius:999px;padding:7px 12px;color:var(--primary);font-size:12px;font-weight:700}.hero h1{font-size:clamp(40px,6vw,72px);line-height:1.06;margin:18px auto 18px;max-width:880px;letter-spacing:-2.4px}.hero p{max-width:760px;margin:0 auto 24px;color:var(--muted);font-size:17px}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero-visual{margin:42px auto 0;width:min(860px,94%);position:relative}.hero-visual .frame{padding:12px;background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);transform:perspective(1000px) rotateX(1deg)}.hero-visual img{border-radius:17px;aspect-ratio:16/8.8;object-fit:cover}.float-card{position:absolute;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:11px 14px;font-size:12px;font-weight:700}.fc1{left:-20px;top:20%}.fc2{right:-18px;bottom:17%}.section{padding:86px 0}.section.soft{background:#fbf8ff}.section-head{max-width:720px;margin-bottom:36px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}.kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:var(--primary)}h2{font-size:clamp(30px,4vw,46px);line-height:1.15;letter-spacing:-1.2px;margin:8px 0 12px}h3{line-height:1.25}.muted{color:var(--muted)}.about-stack{position:relative;min-height:480px}.about-main{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;background:white;border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:var(--shadow)}.about-main img{border-radius:18px;aspect-ratio:16/10;object-fit:cover}.about-float{position:absolute;width:300px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);right:5%;bottom:-24px}.feature-stagger{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 8px 24px rgba(58,28,78,.05);transition:.22s ease}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d7c2e9}.feature-stagger .card:nth-child(2),.feature-stagger .card:nth-child(5){margin-top:28px}.icon{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#f2e6ff,#fff0f6);display:grid;place-items:center;color:var(--primary);margin-bottom:15px}.icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8}.path{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}.path:before{content:"";position:absolute;top:37px;left:11%;right:11%;height:2px;background:linear-gradient(90deg,#dbc6ef,#c68ae9,#efb1ca)}.step{position:relative;text-align:center}.step .node{width:74px;height:74px;border-radius:50%;background:white;border:2px solid #d7c2e9;display:grid;place-items:center;margin:0 auto 16px;position:relative;z-index:1;box-shadow:0 8px 20px rgba(80,35,110,.08)}.step .num{position:absolute;top:-5px;right:-4px;width:25px;height:25px;border-radius:50%;background:var(--primary);color:#fff;font-size:12px;display:grid;place-items:center}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.compat .card{border-top:3px solid #c28be4}.install{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:center}.install img,.download-box img{border-radius:22px;box-shadow:var(--shadow)}.install-list{display:grid;gap:14px}.install-row{display:flex;gap:15px;padding:17px;border:1px solid var(--line);border-radius:16px;background:white}.install-row b{display:block}.download-box{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;padding:34px;border:1px solid #d8c3eb;border-radius:28px;background:linear-gradient(135deg,#f7efff,#fff6fa);box-shadow:var(--shadow)}.notice{padding:14px 16px;border-left:4px solid var(--primary);background:#faf6ff;border-radius:8px;color:#5d4e68}.proscons{display:grid;grid-template-columns:1fr 1fr;gap:20px}.pros{border-top:4px solid var(--green)}.cons{border-top:4px solid var(--red)}.list{padding:0;margin:0;list-style:none;display:grid;gap:11px}.list li{display:flex;gap:10px;align-items:flex-start}.dot{width:22px;height:22px;flex:0 0 22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800}.pros .dot{background:#e9f7ef;color:var(--green)}.cons .dot{background:#fff0f2;color:var(--red)}.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.blog-card{overflow:hidden;padding:0}.blog-card img{width:100%;aspect-ratio:16/9;object-fit:cover}.blog-card .pad{padding:20px}.blog-card h3{margin:5px 0 8px}.faq-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:24px;flex-wrap:wrap}.faq-tab{border:1px solid #dbc8ec;background:white;color:var(--primary);padding:9px 15px;border-radius:999px;font:600 13px Poppins;cursor:pointer}.faq-tab.active{background:var(--primary);color:white}.faq-list{max-width:880px;margin:auto;display:grid;gap:10px}.faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}.faq-q{width:100%;background:none;border:0;text-align:left;padding:18px 20px;font:600 15px Poppins;display:flex;justify-content:space-between;gap:15px;cursor:pointer;color:var(--ink)}.faq-a{display:none;padding:0 20px 18px;color:var(--muted)}.faq-item.open .faq-a{display:block}.faq-item.open .plus{transform:rotate(45deg)}.plus{transition:.2s}.site-footer{background:#fbf8ff;border-top:1px solid var(--line);padding:54px 0 26px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px}.footer-links{display:grid;gap:9px}.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:20px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.page-hero{padding:64px 0 36px;background:linear-gradient(180deg,#faf5ff,#fff)}.article{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;padding:50px 0}.article main{min-width:0}.article main img{border-radius:22px;margin:20px 0 28px;max-height:520px;width:100%;object-fit:cover}.article h1{font-size:clamp(34px,5vw,56px);line-height:1.1;letter-spacing:-1.6px}.article h2{font-size:30px;margin-top:38px}.article h3{font-size:21px;margin-top:28px}.sidebar{position:sticky;top:100px;align-self:start}.sidebar .card{margin-bottom:16px}.legal{max-width:850px;padding:55px 0}.legal h1{font-size:44px}.scrolltop{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;border:0;background:var(--primary);color:#fff;display:none;place-items:center;cursor:pointer;box-shadow:var(--shadow)}.scrolltop.show{display:grid}@media(max-width:900px){.nav-links{position:absolute;top:76px;left:20px;right:20px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.menu-btn{display:block}.about-main,.install,.download-box,.article{grid-template-columns:1fr}.about-float{position:static;width:auto;margin-top:16px}.feature-stagger,.grid-3,.blog-grid{grid-template-columns:repeat(2,1fr)}.feature-stagger .card:nth-child(2),.feature-stagger .card:nth-child(5){margin-top:0}.path{grid-template-columns:repeat(2,1fr)}.path:before{display:none}.article .sidebar{position:static}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.container{width:min(100% - 28px,1160px)}.hero{padding-top:48px}.hero h1{letter-spacing:-1.4px}.fc1,.fc2{display:none}.section{padding:64px 0}.feature-stagger,.grid-3,.grid-2,.blog-grid,.proscons,.path,.footer-grid{grid-template-columns:1fr}.about-main{padding:18px}.download-box{padding:22px}.copyright{display:block}.nav{height:68px}.nav-links{top:68px}.brand span{font-size:17px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Requested refinements */
.nav-links .btn-primary{color:#fff4c7;}
.inner-page h2{font-size:clamp(30px,3vw,38px);line-height:1.22;}
.inner-page h3{font-size:clamp(20px,2vw,24px);line-height:1.3;}
@media(max-width:600px){.inner-page h2{font-size:29px}.inner-page h3{font-size:21px}}

/* Layout variety: reduce repetitive boxed UI while keeping clear section identities */
.usecases .grid-3{grid-template-columns:1.15fr .85fr 1fr;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.usecases .card{border:0;border-radius:0;box-shadow:none;background:transparent;padding:28px 26px;border-right:1px solid var(--line)}
.usecases .card:last-child{border-right:0}.usecases .card:hover{transform:none;box-shadow:none;background:#fcf9ff}
.benefits .grid-3{display:flex;gap:38px;align-items:flex-start}.benefits .card{flex:1;border:0;box-shadow:none;background:transparent;padding:8px 0}.benefits .card:hover{transform:none;box-shadow:none}
.safety .grid-3{grid-template-columns:repeat(2,1fr);gap:12px 42px}.safety .card{border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;padding:18px 0;background:transparent}.safety .card:hover{transform:none;box-shadow:none}
.pros-section .proscons{gap:42px}.pros-section .card{border:0;border-radius:0;box-shadow:none;background:transparent;padding:8px 0 8px 22px}.pros-section .pros{border-left:4px solid var(--green);border-top:0}.pros-section .cons{border-left:4px solid var(--red);border-top:0}.pros-section .card:hover{transform:none;box-shadow:none}
.troubleshooting .trouble-grid{display:grid;grid-template-columns:1fr;gap:0;max-width:900px}.troubleshooting .trouble-item{display:grid;grid-template-columns:58px 1fr;gap:18px;align-items:start;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;background:transparent;padding:24px 0}.troubleshooting .trouble-item:first-child{border-top:1px solid var(--line)}.troubleshooting .trouble-item:hover{transform:none;box-shadow:none}.troubleshooting .trouble-item .icon{margin:0}.troubleshooting .trouble-item h3{margin:2px 0 6px}
@media(max-width:900px){.benefits .grid-3{display:grid;grid-template-columns:1fr 1fr}.usecases .grid-3{grid-template-columns:1fr}.usecases .card{border-right:0;border-bottom:1px solid var(--line)}.usecases .card:last-child{border-bottom:0}}
@media(max-width:620px){.benefits .grid-3,.safety .grid-3{grid-template-columns:1fr}.troubleshooting .trouble-item{grid-template-columns:50px 1fr;gap:14px}}

/* v4 homepage refinements */
.hero{min-height:620px;display:flex;align-items:center;background:linear-gradient(rgba(255,255,255,.88),rgba(255,250,252,.91)),url('../images/world-blocks.webp') center/cover no-repeat;}
.hero-inner{max-width:940px;}
.hero h1,.hero p{position:relative;z-index:2}.hero .eyebrow,.hero-actions{position:relative;z-index:2}
#about .section-head,.safety .section-head,.troubleshooting .section-head,.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.about-stack{min-height:0}.about-main{margin-top:12px}
.safety .grid-3{grid-template-columns:repeat(4,1fr);gap:18px}.safety .card{border:0;border-bottom:2px solid var(--line);border-radius:0;box-shadow:none;padding:20px 8px;background:transparent}.safety .card:hover{transform:none;box-shadow:none}.safety .icon{margin:0 auto 14px}.safety .card{text-align:center}
@media(max-width:900px){.safety .grid-3{grid-template-columns:repeat(2,1fr)}.hero{min-height:560px}}
@media(max-width:620px){.safety .grid-3{grid-template-columns:1fr}.hero{min-height:520px;background-position:center}}