/* ===== agentmem website styles (responsive PC / mobile + dark/light dual theme) ===== */
:root{
  --bg:#0a0e1f; --bg2:#0c1126;
  --txt:#eaeefb; --muted:#9aa3c8;
  --line:rgba(255,255,255,.10); --line-2:rgba(255,255,255,.17);
  --blue:#5b8cff; --indigo:#7a73ff; --violet:#9a5cff; --teal:#36c6a0; --cyan:#36d0c4; --red:#ff6b81; --amber:#ffb454;
  --grad:linear-gradient(120deg,#5b8cff 0%,#7a73ff 48%,#9a5cff 100%);
  --card:rgba(255,255,255,.045); --card-2:rgba(255,255,255,.075);
  --card-shadow:none;
  --nav-bg:rgba(10,14,31,.72); --nav-bg2:rgba(10,14,31,.92);
  --alt-bg:linear-gradient(180deg,#0c1126 0%,#090d1d 100%);
  --footer-bg:#070b18;
  --cta-bg:linear-gradient(180deg,#090d1d,#0c1230);
  --mock-bg:#0e1430; --mock-bar:#141a35;
  --orb:.55;
  --shadow:0 18px 50px rgba(5,8,22,.55);
  --wrap:1180px; --r:18px;
}
html[data-theme="light"]{
  --bg:#f6f8fe; --bg2:#eef2fc;
  --txt:#151b30; --muted:#5a6388;
  --line:rgba(22,32,74,.10); --line-2:rgba(22,32,74,.17);
  --card:#ffffff; --card-2:#ffffff;
  --card-shadow:0 8px 26px rgba(70,90,170,.09);
  --nav-bg:rgba(255,255,255,.78); --nav-bg2:rgba(255,255,255,.93);
  --alt-bg:linear-gradient(180deg,#eef2fc 0%,#f6f8fe 100%);
  --footer-bg:#eef1fb;
  --cta-bg:linear-gradient(180deg,#eef2fc,#e8edfb);
  --mock-bg:#ffffff; --mock-bar:#f2f5fd;
  --orb:.30;
  --shadow:0 18px 44px rgba(70,90,170,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:78px}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--txt);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  transition:background .3s ease,color .3s ease;
}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.18;font-weight:800;letter-spacing:.2px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

.icon{width:1em;height:1em;display:inline-block;vertical-align:-.14em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}

.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
@supports not ((-webkit-background-clip:text) or (background-clip:text)){.grad{color:var(--blue);-webkit-text-fill-color:var(--blue)}}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s;white-space:nowrap}
.btn .icon{width:17px;height:17px;stroke-width:2}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 28px rgba(108,99,255,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(108,99,255,.55)}
.btn-outline{border-color:var(--line-2);color:var(--txt);background:transparent}
.btn-outline:hover{border-color:var(--blue);background:rgba(91,140,255,.12)}
.btn-ghost{background:rgba(122,115,255,.14);color:var(--txt);border-color:rgba(122,115,255,.28)}
.btn-ghost:hover{background:rgba(122,115,255,.24)}
.btn.full{width:100%}

/* ===== Navigation ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:var(--nav-bg);-webkit-backdrop-filter:saturate(160%) blur(16px);backdrop-filter:saturate(160%) blur(16px);border-bottom:1px solid transparent;transition:border-color .25s,background .3s}
.nav.scrolled{border-bottom-color:var(--line);background:var(--nav-bg2)}
.nav-inner{display:flex;align-items:center;gap:14px;height:66px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand-logo{display:inline-flex;filter:drop-shadow(0 5px 14px rgba(108,99,255,.5))}
.brand-name{font-weight:800;font-size:20px;display:flex;flex-direction:column;line-height:1.04}
.brand-name i{font-style:normal;font-weight:600;font-size:10px;letter-spacing:2px;color:var(--muted);text-transform:lowercase}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links>a{font-size:15px;color:var(--muted);font-weight:500;transition:color .15s}
.nav-links>a:hover{color:var(--txt)}
.nav-cta{padding:9px 18px;font-size:14px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--txt);cursor:pointer;flex:none;transition:background .2s,border-color .2s}
.icon-btn:hover{background:var(--card-2);border-color:var(--line-2)}
.theme-toggle .icon{width:19px;height:19px}
.theme-toggle .ic-moon{display:none}
html[data-theme="light"] .theme-toggle .ic-sun{display:none}
html[data-theme="light"] .theme-toggle .ic-moon{display:inline-block}
.nav-toggle{display:none;flex-direction:column;gap:5px}
.nav-toggle span{width:18px;height:2px;background:var(--txt);border-radius:2px;transition:transform .25s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:880px){
  .nav-toggle{display:inline-flex}
  .nav-links{position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--nav-bg2);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:8px 18px 18px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .22s,opacity .22s}
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links>a{padding:13px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-cta{margin-top:14px;text-align:center;border-bottom:none !important}
}

/* ===== Common sections ===== */
.section{position:relative;padding:clamp(58px,8vw,108px) 0}
.section-alt{background:var(--alt-bg)}
.sec-title{font-size:clamp(27px,4.6vw,42px);text-align:center}
.sec-sub{text-align:center;color:var(--muted);max-width:700px;margin:14px auto 0;font-size:clamp(15px,1.9vw,17px)}
.grid{display:grid;gap:18px;margin-top:48px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(285px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;box-shadow:var(--card-shadow);transition:transform .2s,border-color .2s,background .2s,box-shadow .2s}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);background:var(--card-2)}
html[data-theme="light"] .card:hover{box-shadow:0 16px 38px rgba(70,90,170,.16)}

/* Icon tiles */
.ftile{width:54px;height:54px;border-radius:15px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--indigo);background:linear-gradient(135deg,rgba(91,140,255,.18),rgba(154,92,255,.16));border:1px solid rgba(122,115,255,.28)}
.ftile .icon{width:26px;height:26px}
.ftile.red{color:var(--red);background:linear-gradient(135deg,rgba(255,107,129,.16),rgba(255,107,129,.06));border-color:rgba(255,107,129,.3)}

/* ===== Hero ===== */
.hero{position:relative;padding:132px 0 60px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:var(--orb);animation:float 14s ease-in-out infinite}
.orb.o1{width:520px;height:520px;background:#5b8cff;top:-160px;left:-80px}
.orb.o2{width:480px;height:480px;background:#9a5cff;top:-120px;right:-60px;animation-delay:-4s}
.orb.o3{width:420px;height:420px;background:#36d0c4;top:160px;left:38%;opacity:calc(var(--orb) * .5);animation-delay:-8s}
.grid-mask{position:absolute;inset:0;background-image:linear-gradient(rgba(120,140,220,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,140,220,.06) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(circle at 50% 32%,#000,transparent 72%);mask-image:radial-gradient(circle at 50% 32%,#000,transparent 72%)}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(20px,28px)}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:46px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;font-size:13px;color:#cfd6f7;background:rgba(122,115,255,.13);border:1px solid rgba(122,115,255,.32)}
html[data-theme="light"] .pill{color:#5a4bd0}
.pill-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px rgba(54,198,160,.9)}
.hero h1{font-size:clamp(34px,5.6vw,58px);letter-spacing:.4px;margin:22px 0 0}
.hero-sub{color:var(--muted);max-width:560px;margin:20px 0 0;font-size:clamp(15px,1.9vw,18px)}
.hero-sub b{color:var(--txt)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-stats{display:flex;align-items:center;gap:clamp(14px,2.4vw,26px);margin-top:42px;flex-wrap:wrap}
.hs-v{font-size:clamp(24px,3.4vw,34px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;line-height:1}
.hs-v span{font-size:15px}
.hs-l{color:var(--muted);font-size:12.5px;margin-top:5px}
.hs-sep{width:1px;height:34px;background:var(--line-2)}
@media(max-width:560px){.hs-sep{display:none}.hero-stats{gap:18px 26px}}

/* Product preview window */
.hero-art{position:relative;z-index:1}
.mock{background:var(--mock-bg);border:1px solid var(--line-2);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.mock-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;background:var(--mock-bar);border-bottom:1px solid var(--line)}
.mock-bar .td{width:11px;height:11px;border-radius:50%}
.mock-bar .td.r{background:#ff6058}.mock-bar .td.y{background:#ffbd2e}.mock-bar .td.g{background:#28c840}
.mock-bar i{font-style:normal;margin-left:8px;color:var(--muted);font-size:12.5px}
.mock-body{padding:16px 16px 6px;display:flex;flex-direction:column;gap:10px}
.ev{display:flex;align-items:center;gap:10px;padding:10px 13px;border-radius:11px;background:rgba(125,140,210,.06);border:1px solid var(--line);border-left:3px solid var(--line-2)}
.ev-tag{font-size:11px;font-weight:700;color:var(--muted);flex:none;letter-spacing:.3px}
.ev-txt{font-size:13px;color:var(--txt);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ev-user{border-left-color:var(--blue)}.ev-user .ev-tag{color:var(--blue)}
.ev-tool{border-left-color:var(--violet)}.ev-tool .ev-tag{color:var(--violet)}
.ev-res{border-left-color:var(--teal)}.ev-res .ev-tag{color:var(--teal)}
.mock-digest{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 16px 18px}
.dg-t{font-size:12px;font-weight:700;color:var(--muted);margin-right:2px}
.chip{display:inline-flex;align-items:center;gap:5px;padding:5px 11px;border-radius:999px;font-size:12px;font-weight:600;color:var(--indigo);background:rgba(122,115,255,.12);border:1px solid rgba(122,115,255,.26)}
.chip .icon{width:13px;height:13px}
.art-badge{position:absolute;display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:12px;font-size:13px;font-weight:600;color:var(--txt);background:var(--mock-bg);border:1px solid var(--line-2);box-shadow:var(--shadow)}
.art-badge .icon{width:17px;height:17px;color:var(--teal)}
.ab1{top:-18px;right:18px}
.ab2{bottom:-18px;left:-14px}
.ab2 .icon{color:var(--blue)}
@media(max-width:880px){
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-art{max-width:520px;margin:0 auto;width:100%}
  .art-badge{display:none}
}

/* Tool compatibility strip */
.trust{position:relative;z-index:1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:54px;padding-top:30px;border-top:1px solid var(--line)}
.trust-l{color:var(--muted);font-size:13px}
.trust-row{display:flex;gap:12px;flex-wrap:wrap}
.tbadge{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:11px;font-size:14px;font-weight:600;background:var(--card);border:1px solid var(--line)}
.tbadge .tdot{width:9px;height:9px;border-radius:50%}
.tbadge.ghost{color:var(--muted);font-weight:500}

/* ===== Pain points ===== */
.pain h3{font-size:18px;margin-bottom:8px}
.pain p{color:var(--muted);font-size:14.5px;margin:0}

/* ===== Comparison + quantified benefits ===== */
.compare-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:48px}
@media(max-width:720px){.compare-cards{grid-template-columns:1fr}}
.cmp{border-radius:var(--r);padding:24px;border:1px solid var(--line)}
.cmp-bad{background:linear-gradient(180deg,rgba(255,107,129,.08),rgba(255,107,129,.02));border-color:rgba(255,107,129,.22)}
.cmp-good{background:linear-gradient(180deg,rgba(54,198,160,.10),rgba(54,198,160,.02));border-color:rgba(54,198,160,.26)}
.cmp-h{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:16px}
.cmp-h .dot{width:11px;height:11px;border-radius:50%;background:var(--red);box-shadow:0 0 12px rgba(255,107,129,.7)}
.cmp-h .dot.ok{background:var(--teal);box-shadow:0 0 12px rgba(54,198,160,.7)}
.cmp ul li{position:relative;padding:9px 0 9px 27px;color:var(--muted);border-bottom:1px dashed var(--line);font-size:14.5px}
.cmp ul li:last-child{border-bottom:none}
.cmp-bad li::before{content:"✕";position:absolute;left:0;color:var(--red);font-weight:700}
.cmp-good li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}
.cmp-good li{color:var(--txt)}
.bigstats{margin-top:24px}
.bigstat{text-align:center;padding:26px 14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--card-shadow)}
.bs-v{font-size:clamp(28px,4.6vw,40px);font-weight:800}
.bs-l{color:var(--muted);font-size:14px;margin-top:6px}

/* ===== Feature cards ===== */
.feat h3{font-size:18px;margin-bottom:9px}
.feat p{color:var(--muted);font-size:14.5px;margin:0}

/* ===== Architecture ===== */
.arch-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;margin-top:48px;align-items:start}
@media(max-width:880px){.arch-grid{grid-template-columns:1fr}}
.flow{display:flex;flex-direction:column}
.node{display:flex;align-items:center;gap:14px;padding:15px 18px;border-radius:14px;background:var(--card);border:1px solid var(--line);box-shadow:var(--card-shadow)}
.node-ic{width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;color:#fff;background:var(--grad);flex:none}
.node-ic .icon{width:21px;height:21px;stroke-width:1.9}
.node b{display:block;font-size:15.5px}
.node i{font-style:normal;color:var(--muted);font-size:13px}
.flow-line{width:2px;height:20px;margin-left:36px;background:linear-gradient(var(--violet),transparent);opacity:.6}
.arch-side{display:flex;flex-direction:column;justify-content:center}
.arch-side h3{font-size:18px;margin-bottom:18px}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:22px 16px}
.m-v{font-size:clamp(22px,3.2vw,30px);font-weight:800}
.m-l{color:var(--muted);font-size:13px;margin-top:2px}
.arch-note{color:var(--muted);font-size:13.5px;margin:20px 0 0;padding-top:18px;border-top:1px solid var(--line)}

/* ===== Solutions ===== */
.sol .sol-tag{display:inline-block;font-size:12.5px;color:var(--blue);background:rgba(91,140,255,.12);border:1px solid rgba(91,140,255,.3);padding:4px 12px;border-radius:999px;margin-bottom:14px}
.sol h3{font-size:19px;margin-bottom:14px}
.sol-hot{border-color:rgba(122,115,255,.4);background:linear-gradient(180deg,rgba(122,115,255,.10),transparent)}
.ticks li{position:relative;padding:7px 0 7px 27px;color:var(--muted);font-size:14.5px}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}

/* ===== Pricing ===== */
.price-grid{align-items:stretch}
.price{display:flex;flex-direction:column;position:relative}
.price-name{font-size:15px;color:var(--muted);font-weight:600}
.price-v{font-size:clamp(30px,5vw,42px);font-weight:800;margin:8px 0 18px}
.price-v span{font-size:15px;color:var(--muted);font-weight:500}
.price .ticks{flex:1;margin-bottom:22px}
.price-hot{border-color:rgba(122,115,255,.45);background:linear-gradient(180deg,rgba(122,115,255,.12),transparent);box-shadow:var(--shadow)}
.price-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px;white-space:nowrap}

/* ===== CTA ===== */
.cta{position:relative;padding:clamp(64px,9vw,112px) 0;text-align:center;overflow:hidden;background:var(--cta-bg)}
.cta-glow{position:absolute;inset:0;z-index:0;background:radial-gradient(640px 300px at 50% 42%,rgba(122,115,255,.30),transparent 70%)}
.cta-inner{position:relative;z-index:1}
.cta h2{font-size:clamp(26px,4.8vw,44px)}
.cta p{color:var(--muted);margin:16px auto 0;max-width:560px;font-size:16px}
.cta .hero-cta{justify-content:center;margin-top:30px}

/* ===== Footer ===== */
.footer{background:var(--footer-bg);border-top:1px solid var(--line);padding:56px 0 28px}
.foot-inner{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
@media(max-width:760px){.foot-inner{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.foot-inner{grid-template-columns:1fr}}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{color:var(--muted);font-size:14px;margin:0;max-width:330px}
.foot-col h4{font-size:15px;margin-bottom:14px}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:color .15s}
.foot-col a:hover{color:var(--txt)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}

/* ===== Product highlights / differentiators ===== */
.section-spot{background:radial-gradient(900px 420px at 50% -12%,rgba(122,115,255,.16),transparent 70%),linear-gradient(180deg,var(--bg2),var(--bg))}
.hl-eyebrow{display:flex;justify-content:center;margin-bottom:16px}
.hl-eyebrow span{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.4px;color:var(--indigo);background:rgba(122,115,255,.13);border:1px solid rgba(122,115,255,.32)}
.hl-eyebrow .icon{width:15px;height:15px;stroke-width:2}
.hl{display:flex;flex-direction:column;position:relative;overflow:hidden}
.hl::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.hl:hover::after{transform:scaleX(1)}
.hl h3{font-size:18.5px;margin-bottom:9px}
.hl>p{color:var(--muted);font-size:14.5px;margin:0 0 18px}
.hl-vs{margin-top:auto;display:flex;flex-direction:column;gap:8px;padding-top:15px;border-top:1px dashed var(--line)}
.hl-vs .vs{position:relative;padding-left:23px;font-size:13px;line-height:1.5}
.hl-vs .vs-other{color:var(--muted)}
.hl-vs .vs-other::before{content:"";position:absolute;left:3px;top:6px;width:8px;height:8px;border-radius:50%;border:1.6px solid var(--muted);opacity:.55}
.hl-vs .vs-ours{color:var(--txt);font-weight:600}
.hl-vs .vs-ours::before{content:"✓";position:absolute;left:1px;top:-1px;color:var(--teal);font-weight:800}
.hl-vs .vs-k{font-weight:700}
.hl-vs .vs-ours .vs-k{color:var(--blue)}

/* ===== Scroll reveal (all visible by default when JS is disabled) ===== */
.has-reveal .reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}
.has-reveal .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.has-reveal .reveal{opacity:1;transform:none;transition:none}.orb{animation:none}}