/* Layout concept: Zenfeed-style SaaS page — centered 1180px column, zig-zag feature rows,
   soft wave bands, gradient (magenta → violet → indigo) taken from the apiRuler mark. */
:root{
  --bg:#ffffff; --surface:#ffffff; --surface-2:#f4f1fd; --surface-3:#ece7fb;
  --ink:#15122c; --muted:#5d5977; --line:#e6e1f4;
  --pink:#e0218a; --violet:#7a3ff5; --indigo:#4a2fd6;
  --ok:#14a06b; --bad:#d63a54; --warn:#e29a12;
  --on-accent:#ffffff;
  --grad:linear-gradient(100deg,var(--pink) 0%,var(--violet) 55%,var(--indigo) 100%);
  --shadow:0 18px 50px -24px rgba(58,32,140,.35);
  --shadow-sm:0 6px 20px -12px rgba(58,32,140,.35);
  --f-display:"Sora","Plus Jakarta Sans",system-ui,sans-serif;
  --f-body:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:14px; --r-lg:22px;
  --w:1180px; color-scheme:light;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;margin:0;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.15;margin:0;text-wrap:balance;letter-spacing:-.02em}
p{margin:0}
.ico{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.wrap{max-width:var(--w);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--pink);background:color-mix(in srgb,var(--pink) 10%,transparent);padding:6px 12px;border-radius:999px}
.rule{width:84px;height:3px;border-radius:3px;background:var(--grad);position:relative;margin-top:14px}
.rule::after{content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;border-radius:50%;background:var(--violet);transform:translate(-50%,-50%)}
.center .rule{margin-left:auto;margin-right:auto}
:focus-visible{outline:2px solid var(--violet);outline-offset:3px;border-radius:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px/1 var(--f-body);padding:13px 22px;border-radius:999px;border:1px solid transparent;text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:var(--grad);color:var(--on-accent);box-shadow:0 10px 24px -10px color-mix(in srgb,var(--violet) 70%,transparent)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px color-mix(in srgb,var(--violet) 80%,transparent)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--violet);color:var(--violet)}
.btn-sm{padding:10px 16px;font-size:14px}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 22px var(--f-display);letter-spacing:-.03em}
.brand img{width:34px;height:34px}
.nav-links{display:flex;gap:4px;margin:0 auto;list-style:none;padding:0}
.nav-links a{display:block;padding:8px 12px;border-radius:999px;text-decoration:none;font-size:15px;color:var(--muted);font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--surface-2)}
.nav-cta{display:flex;gap:10px;align-items:center}
.menu-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.menu-btn{display:none}
@media (max-width:1060px){
  .nav-links{position:fixed;left:0;right:0;top:calc(72px + env(safe-area-inset-top,0px));flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:12px max(20px,env(safe-area-inset-left,0px)) 20px;margin:0;display:none;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;font-size:16px}
  .menu-btn{display:grid}
  .nav-in{justify-content:space-between}
}
@media (max-width:460px){.nav-cta .btn-primary{display:none}}

/* hero */
.hero{position:relative;padding-block:72px 40px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:640px;height:640px;border-radius:50%;background:radial-gradient(closest-side,color-mix(in srgb,var(--violet) 18%,transparent),transparent);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:clamp(40px,5.6vw,66px);font-weight:700;margin-top:18px}
.hero h1 .grad-text{display:block}
.hero .lead{font-size:18px;color:var(--muted);max-width:52ch;margin-top:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:28px;font-size:14px;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta .ico{width:18px;height:18px;color:var(--ok)}
.hero-visual{position:relative;min-width:0}
.shot{border-radius:var(--r-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.shot-bar{display:flex;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.shot-bar i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.shot-bar i:nth-child(1){background:#ff6058}.shot-bar i:nth-child(2){background:#ffbd2e}.shot-bar i:nth-child(3){background:#28c941}
.shot-bar span{margin-left:10px;font:12px var(--f-mono);color:var(--muted)}
.float{position:absolute;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:12px 14px;display:flex;gap:10px;align-items:center;font-size:13px;animation:bob 6s ease-in-out infinite}
.float b{display:block;font:700 18px var(--f-display)}
.float small{color:var(--muted)}
.float .dot{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--surface-2);color:var(--violet)}
.f1{left:-28px;bottom:36px}
.f2{right:-18px;top:-22px;animation-delay:-3s}
.f2 .dot{color:var(--ok)}
@keyframes bob{50%{transform:translateY(-8px)}}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr}.f1{left:8px}.f2{right:8px}}

/* strip */
.strip{padding-block:40px 70px;text-align:center}
.strip h3{font-size:22px}
.strip p{color:var(--muted);margin-top:6px}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 34px;margin-top:28px}
.chip-pill{display:inline-flex;align-items:center;gap:10px;font:600 17px var(--f-display);color:var(--ink);opacity:.85}
.chip-pill .ico{width:28px;height:28px;color:var(--violet)}

/* section heads */
.section{padding-block:90px}
.sec-head{max-width:760px;margin:0 auto 64px;text-align:center}
.sec-head h2{font-size:clamp(30px,3.6vw,44px)}
.sec-head p{color:var(--muted);margin-top:16px;font-size:17px}
.band{background:var(--surface-2);position:relative}
.wave-top,.wave-bot{display:block;width:100%;height:70px;color:var(--surface-2)}
.wave-top path,.wave-bot path{fill:currentColor}

/* zig-zag feature rows */
.rows{display:grid;gap:110px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.row > *{min-width:0}
.row.rev .row-text{order:2}
.row-text h3{font-size:clamp(26px,2.8vw,34px)}
.row-text p{color:var(--muted);margin-top:16px}
.row-text .btn{margin-top:26px}
.tag{font:600 12px var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--violet);margin-bottom:12px;display:block}
.ticks{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.ticks li{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.ticks .ico{width:20px;height:20px;color:var(--violet);margin-top:2px}
@media (max-width:900px){.row{grid-template-columns:1fr;gap:36px}.row.rev .row-text{order:0}.rows{gap:80px}}

/* problem orbit */
.orbit{position:relative;aspect-ratio:1/1;max-width:520px;width:100%;margin:0 auto}
.orbit .ring{position:absolute;border:1.5px dashed color-mix(in srgb,var(--violet) 30%,transparent);border-radius:50%}
.orbit .core{position:absolute;left:50%;top:50%;width:26%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:var(--surface);box-shadow:var(--shadow);display:grid;place-items:center;font:800 clamp(40px,7vw,70px) var(--f-display)}
.api-chip{position:absolute;transform:translate(-50%,-50%);display:inline-flex;gap:5px;align-items:center;font:600 12px var(--f-mono);padding:7px 10px;border-radius:10px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);white-space:nowrap;animation:jit 5s ease-in-out infinite}
.api-chip .ico{width:14px;height:14px;color:var(--pink)}
@keyframes jit{50%{transform:translate(-50%,calc(-50% - 5px))}}
.pain{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
.pain div{display:flex;gap:10px;align-items:center;font-size:14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.pain .ico{width:20px;height:20px;color:var(--pink)}
@media (max-width:520px){.pain{grid-template-columns:1fr}}
.quote{margin-top:22px;padding:16px 18px;border-left:3px solid var(--violet);background:var(--surface);border-radius:0 12px 12px 0;font-weight:500}

/* architecture */
.arch{display:grid;gap:14px}
.arch-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;text-align:center}
.arch-box h4{font:600 14px var(--f-body);color:var(--muted);margin-bottom:10px}
.arch-icons{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.arch-icons span{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2);color:var(--violet)}
.arch-core{border:1.5px solid color-mix(in srgb,var(--violet) 45%,transparent);box-shadow:0 0 0 6px color-mix(in srgb,var(--violet) 7%,transparent),var(--shadow)}
.arch-core .brand{justify-content:center;font-size:24px;margin-bottom:14px}
.mods{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.mods div{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:10px 4px;border-radius:10px;background:var(--surface-2)}
.mods .ico{color:var(--violet)}
.arrows{display:flex;justify-content:space-around;color:var(--violet);height:18px}
.arrows .ico{width:18px;height:18px;animation:down 1.6s ease-in-out infinite}
@keyframes down{50%{transform:translateY(4px)}}
.svcs{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.svcs div{font-size:12px;padding:10px 4px;border:1px solid var(--line);border-radius:10px;display:flex;flex-direction:column;align-items:center;gap:4px}
.svcs .ico{color:var(--indigo);width:20px;height:20px}
@media (max-width:520px){.mods,.svcs{grid-template-columns:repeat(3,1fr)}}

/* panel visual */
.panel-vis{position:relative}
.panel-list{position:absolute;right:-16px;bottom:-28px;width:200px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:14px 16px}
.panel-list h5{margin:0 0 8px;font:700 15px var(--f-display);color:var(--violet)}
.panel-list ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:13px}
.panel-list li{display:flex;gap:8px;align-items:center}
.panel-list .ico{width:16px;height:16px;color:var(--ok)}
@media (max-width:600px){.panel-list{position:static;width:auto;margin-top:14px}}

/* security */
.sec-vis{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center}
.sec-col h4{font:700 15px var(--f-display);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.sec-col h4 small{font:500 12px var(--f-body);color:var(--muted)}
.sec-col ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.sec-col li{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;padding:9px 12px;background:var(--surface);border:1px solid var(--line);border-radius:10px;transition:border-color .2s,transform .2s}
.sec-col li:hover{border-color:var(--pink);transform:translateX(3px)}
.sec-col li .ico{width:18px;height:18px;color:var(--pink)}
.shield{width:120px;filter:drop-shadow(0 18px 30px color-mix(in srgb,var(--violet) 40%,transparent))}
@media (max-width:600px){.sec-vis{grid-template-columns:1fr 1fr}.shield{display:none}}

/* traffic */
.traffic{position:relative;aspect-ratio:1/1;max-width:540px;width:100%;margin:0 auto}
.traffic .ring{position:absolute;inset:18%;border-radius:50%;border:1.5px dashed color-mix(in srgb,var(--violet) 35%,transparent);animation:spin 60s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.gw{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:34%;aspect-ratio:1;border-radius:50%;background:var(--surface);box-shadow:0 0 0 10px color-mix(in srgb,var(--violet) 8%,transparent),var(--shadow);display:grid;place-items:center;text-align:center}
.gw img{width:44%;margin:0 auto 4px}
.gw b{font:700 clamp(14px,2vw,20px) var(--f-display)}
.pol{position:absolute;transform:translate(-50%,-50%);background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);padding:8px 12px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;white-space:nowrap;cursor:default;transition:border-color .2s}
.pol .ico{width:18px;height:18px;color:var(--violet)}
.pol:hover,.pol.on{border-color:var(--violet)}
.pol-desc{min-height:3.2em;margin-top:18px;padding:14px 16px;border-radius:12px;background:var(--surface);border:1px solid var(--line);font-size:15px}
.pol-desc b{color:var(--violet)}
@media (max-width:560px){.pol{font-size:11px;padding:6px 8px}.pol .ico{display:none}}

/* product tour tabs */
.tour-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:28px}
.tour-tabs button{font:600 14px var(--f-body);padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer}
.tour-tabs button[aria-selected="true"]{background:var(--grad);color:var(--on-accent);border-color:transparent}
.tour-cap{text-align:center;color:var(--muted);margin-top:18px}
.tour .shot img{width:100%;height:auto;aspect-ratio:1600/900;object-fit:cover;object-position:top}

/* integrations */
.logos{display:grid;grid-template-columns:repeat(7,1fr);gap:14px}
.logo-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 10px;text-align:center;display:grid;gap:8px;justify-items:center;transition:transform .2s,box-shadow .2s}
.logo-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.logo-card .mark{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font:800 18px var(--f-display);color:var(--on-accent)}
.logo-card b{font-size:14px}
.logo-card small{font-size:12px;color:var(--muted);line-height:1.3}
@media (max-width:980px){.logos{grid-template-columns:repeat(4,1fr)}}
@media (max-width:560px){.logos{grid-template-columns:repeat(2,1fr)}}

/* deployment cards (pricing style) */
.dep-toggle{display:flex;justify-content:center;align-items:center;gap:12px;margin:-36px 0 40px;font-weight:600;font-size:15px}
.switch{width:52px;height:28px;border-radius:999px;background:var(--grad);border:0;position:relative;cursor:pointer}
.switch::after{content:"";position:absolute;top:4px;left:4px;width:20px;height:20px;border-radius:50%;background:var(--on-accent);transition:transform .25s}
.switch[aria-checked="true"]::after{transform:translateX(24px)}
.dep-toggle span{color:var(--muted)}
.dep-toggle span.on{color:var(--ink)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:center}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;text-align:center}
.plan.hot{background:var(--grad);color:var(--on-accent);border:0;padding-block:44px;box-shadow:0 30px 60px -28px color-mix(in srgb,var(--violet) 80%,transparent)}
.plan .pico{width:60px;height:60px;border-radius:16px;margin:0 auto 14px;display:grid;place-items:center;background:var(--surface-2);color:var(--violet)}
.plan.hot .pico{background:rgba(255,255,255,.16);color:var(--on-accent)}
.plan .pico .ico{width:30px;height:30px}
.plan .lbl{font:600 12px var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--pink)}
.plan.hot .lbl{color:var(--on-accent);opacity:.85}
.plan h3{font-size:26px;margin-top:6px}
.plan p{font-size:14px;margin-top:8px;color:var(--muted)}
.plan.hot p{color:var(--on-accent);opacity:.9}
.plan ul{list-style:none;padding:0;margin:22px 0 26px;text-align:left;display:grid;gap:10px;font-size:14px}
.plan li{display:flex;gap:10px;align-items:center}
.plan li .ico{width:18px;height:18px;color:var(--ok)}
.plan.hot li .ico{color:var(--on-accent)}
.plan.hot .btn{background:var(--on-accent);color:var(--violet)}
.flow{display:flex;align-items:center;gap:6px;justify-content:center;flex-wrap:wrap;font:600 12px var(--f-mono);color:var(--muted);margin-top:46px}
.flow span{padding:8px 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface)}
.flow span.me{background:var(--grad);color:var(--on-accent);border:0}
.flow .ico{width:16px;height:16px;color:var(--violet)}
@media (max-width:900px){.plans{grid-template-columns:1fr}}

/* WAF table */
.tbl-wrap{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:15px}
th,td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
th{font:700 15px var(--f-display);background:var(--surface-2)}
th.us{background:var(--grad);color:var(--on-accent)}
td:first-child{font-weight:600;white-space:nowrap}
td.us{background:color-mix(in srgb,var(--violet) 6%,transparent)}
.st{display:inline-flex;gap:8px;align-items:center}
.st .ico{width:18px;height:18px}
.st.y .ico{color:var(--violet)} .st.n .ico{color:var(--bad)} .st.w .ico{color:var(--warn)}
.note{margin-top:22px;text-align:center;color:var(--muted)}
.note b{color:var(--violet)}

/* use cases carousel */
.uc-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.uc-head h2{font-size:clamp(30px,3.6vw,44px)}
.uc-head p{color:var(--muted);margin-top:10px}
.uc-nav{display:flex;gap:10px}
.uc-nav button{width:46px;height:46px;border-radius:50%;border:1.5px solid var(--violet);background:var(--surface);color:var(--violet);display:grid;place-items:center;cursor:pointer}
.uc-nav button.next{background:var(--violet);color:var(--on-accent)}
.uc-nav button:disabled{opacity:.35;cursor:default}
.uc-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 44px)/3);gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px 2px 24px}
.uc-track::-webkit-scrollbar{display:none}
.uc{scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-sm)}
.uc-title{display:flex;align-items:center;gap:12px}
.uc-title span{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--surface-2);color:var(--violet)}
.uc-title .ico{width:26px;height:26px}
.uc-title h3{font-size:21px}
.uc-step{border-radius:12px;padding:12px 14px;font-size:14px}
.uc-step b{display:flex;gap:6px;align-items:center;font-size:13px;margin-bottom:4px;letter-spacing:.02em}
.uc-step b .ico{width:16px;height:16px}
.uc-step ul{margin:0;padding-left:18px;color:var(--muted)}
.uc-step.p{background:color-mix(in srgb,var(--pink) 8%,transparent)} .uc-step.p b{color:var(--pink)}
.uc-step.s{background:var(--surface-2)} .uc-step.s b{color:var(--violet)}
.uc-step.r{background:color-mix(in srgb,var(--ok) 9%,transparent)} .uc-step.r b{color:var(--ok)}
@media (max-width:980px){.uc-track{grid-auto-columns:calc((100% - 22px)/2)}}
@media (max-width:620px){.uc-track{grid-auto-columns:88%}}

/* benefits */
.ben{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ben div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px}
.ben span{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2);color:var(--violet);margin-bottom:16px}
.ben span .ico{width:26px;height:26px}
.ben h3{font-size:19px}
.ben p{color:var(--muted);font-size:14px;margin-top:8px}
@media (max-width:980px){.ben{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.ben{grid-template-columns:1fr}}
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px}
.why div{display:flex;gap:12px;align-items:center;padding:14px 16px;border-radius:12px;background:var(--surface-2);font-weight:600;font-size:15px}
.why .ico{color:var(--pink)}
@media (max-width:700px){.why{grid-template-columns:1fr 1fr}}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:0 20px;transition:border-color .2s,box-shadow .2s}
.faq details[open]{border-color:var(--violet);box-shadow:var(--shadow-sm)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ico{transition:transform .25s;color:var(--violet);width:18px;height:18px}
.faq details[open] summary .ico{transform:rotate(45deg)}
.faq details p{padding:0 0 20px;color:var(--muted);font-size:15px}

/* CTA */
.cta{border-radius:28px;background:var(--grad);color:var(--on-accent);padding:56px;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;border:40px solid rgba(255,255,255,.08)}
.cta h2{font-size:clamp(28px,3.4vw,42px);color:var(--on-accent)}
.cta p{opacity:.92}
.cta .btn{background:var(--on-accent);color:var(--violet);margin-top:20px}
.cta .btn.alt{background:transparent;color:var(--on-accent);border-color:rgba(255,255,255,.55)}
.mail{display:inline-flex;align-items:center;gap:10px;margin-top:16px;font:600 15px var(--f-mono);background:rgba(255,255,255,.14);padding:10px 14px;border-radius:12px;user-select:all}
@media (max-width:820px){.cta{grid-template-columns:1fr;padding:36px 24px}}

/* footer */
footer{padding-block:80px 30px}
.foot{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:30px}
.foot h4{font:700 15px var(--f-body);margin-bottom:14px}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:14px}
.foot a{text-decoration:none;color:var(--muted)}
.foot a:hover{color:var(--violet)}
.foot p{color:var(--muted);font-size:14px;margin-top:14px;max-width:34ch}
.copy{border-top:1px solid var(--line);margin-top:50px;padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
@media (max-width:900px){.foot{grid-template-columns:1fr 1fr}.foot > div:first-child{grid-column:1/-1}}

/* reveal */
.rv{transition:opacity .7s ease,transform .7s ease}
.js .rv.pre{opacity:.001;transform:translateY(24px)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}.js .rv.pre{opacity:1;transform:none}}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:14px;opacity:0;transition:.25s;pointer-events:none;z-index:70}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media (max-width:560px){.f1{display:none}.f2{top:-30px}}

/* resources */
.res{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.res-card{display:flex;gap:20px;align-items:flex-start;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.res-card > div{min-width:0}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--violet)}
.res-ico{flex:none;width:60px;height:60px;border-radius:16px;display:grid;place-items:center;background:var(--grad);color:var(--on-accent)}
.res-ico .ico{width:30px;height:30px}
.res-card h3{font-size:22px}
.res-card p{color:var(--muted);font-size:15px;margin-top:8px}
.res-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-weight:600;color:var(--violet)}
.res-link .ico{width:16px;height:16px}
@media (max-width:820px){.res{grid-template-columns:1fr}.res-card{flex-direction:column}}
.btn{white-space:nowrap}
/* language switch */
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--surface)}
.lang a{font:600 13px var(--f-body);text-decoration:none;color:var(--muted);padding:6px 10px;border-radius:999px;line-height:1}
.lang a[aria-current="page"]{background:var(--surface-3);color:var(--violet)}
.lang a:hover{color:var(--ink)}
/* references */
.refs{padding-block:10px 70px}
.refs-title{text-align:center;font:600 13px var(--f-body);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.refs-row{display:grid;grid-template-columns:repeat(3,minmax(0,220px));justify-content:center;gap:18px;margin-top:22px}
.ref{border:1px solid var(--line);border-radius:var(--r);padding:20px 14px;text-align:center;display:grid;gap:2px;background:var(--surface);transition:border-color .2s,transform .2s}
.ref:hover{border-color:var(--violet);transform:translateY(-3px)}
.ref b{font:800 28px var(--f-display);letter-spacing:-.02em;color:var(--ink)}
.ref small{font-size:13px;color:var(--muted)}
@media (max-width:560px){.refs-row{grid-template-columns:1fr 1fr 1fr;gap:8px}.ref{padding:14px 6px}.ref b{font-size:20px}.ref small{font-size:11px}}
.nav-links a{white-space:nowrap}
/* nav: compact desktop menu + resources dropdown */
.nav .wrap{max-width:1320px}
.brand{flex:none}
.nav-links{flex:0 1 auto;min-width:0;gap:2px}
.nav-links a,.sub-btn{white-space:nowrap}
.has-sub{position:relative}
.sub-btn{display:flex;align-items:center;gap:4px;padding:8px 12px;border-radius:999px;border:0;background:none;font:500 15px/1.6 var(--f-body);color:var(--muted);cursor:pointer}
.sub-btn .ico{width:16px;height:16px;transition:transform .2s}
.sub-btn:hover,.sub-btn[aria-expanded="true"]{color:var(--ink);background:var(--surface-2)}
.sub-btn[aria-expanded="true"] .ico{transform:rotate(180deg)}
.sub{position:absolute;top:calc(100% + 8px);right:0;min-width:230px;list-style:none;margin:0;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);display:none}
.has-sub.open .sub{display:grid}
@media (hover:hover) and (min-width:1061px){.has-sub:hover .sub{display:grid}.has-sub::after{content:"";position:absolute;left:0;right:0;top:100%;height:10px}}
.sub a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px}
.sub a .ico{width:18px;height:18px;color:var(--violet)}
@media (max-width:1180px) and (min-width:1061px){.nav-links a,.sub-btn{padding:8px 9px;font-size:14.5px}.nav-in{gap:16px}}
@media (max-width:1060px){
  .sub-btn{display:none}
  .sub{position:static;display:grid;box-shadow:none;border:0;border-top:1px solid var(--line);border-radius:0;padding:8px 0 0;margin-top:6px;min-width:0}
}
/* ---------- multi-page additions ---------- */
.nav-links a[aria-current="page"]{color:var(--ink);background:var(--surface-2)}
.sub-btn.active{color:var(--ink);background:var(--surface-2)}
.sub a[aria-current="page"]{color:var(--violet)}
.foot .foot-h{font:700 15px var(--f-body);margin:0 0 14px;color:var(--ink);max-width:none}
/* page header */
.page-head{position:relative;overflow:hidden;padding-block:56px 40px;background:linear-gradient(180deg,var(--surface-2),var(--bg))}
.page-head::before{content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(closest-side,color-mix(in srgb,var(--violet) 16%,transparent),transparent);pointer-events:none}
.page-head .wrap{position:relative}
.page-head h1{font-size:clamp(32px,4.4vw,52px);max-width:22ch;margin-top:16px}
.page-head .lead{font-size:18px;color:var(--muted);max-width:62ch;margin-top:16px}
.page-head.nf{padding-block:110px 120px}
.crumbs ol{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}
.crumbs a{text-decoration:none;color:var(--muted)}
.crumbs a:hover{color:var(--violet)}
.crumbs [aria-current]{color:var(--ink);font-weight:600}
/* home overview cards */
.ov{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ov-card{display:flex;flex-direction:column;gap:10px;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;transition:transform .2s,box-shadow .2s,border-color .2s}
.ov-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--violet)}
.ov-card h3{font-size:20px}
.ov-card p{color:var(--muted);font-size:15px;flex:1}
.ov-card .res-link{margin-top:6px}
.ov-ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--surface-2);color:var(--violet)}
.ov-ico .ico{width:26px;height:26px}
@media (max-width:900px){.ov{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ov{grid-template-columns:1fr}}
/* spec tables */
.tbl-title{font-size:20px;margin:34px 0 14px}
.tbl-note{font-size:13px;color:var(--muted);margin-top:10px}
table.spec th[scope="row"]{color:var(--violet);background:var(--surface-2);white-space:nowrap}
table.spec td{font-variant-numeric:tabular-nums;text-align:center}
table.spec thead th{text-align:center}
table.spec thead th:first-child{text-align:left}
/* contact */
.ct{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ct-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.ct-card h2{font-size:20px}
.ct-card p{color:var(--muted);font-size:15px;flex:1}
.mail-plain{font:600 16px var(--f-mono);color:var(--ink);user-select:all}
@media (max-width:1000px){.ct{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ct{grid-template-columns:1fr}}