/* CDA guides: architecture and system design pages (Namisite look). */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
:root{
  --navy:#14254f; --blue:#2455d6; --blue-dark:#1c43ad; --light:#eef4ff; --light2:#dbe7fe;
  --green:#16a34a; --green-light:#e8f7ee; --gold1:#FFDE1A; --gold2:#FF9B00; --gold-ink:#7c4a03; --gold-light:#fff7e6;
  --red:#dc2626; --red-light:#fef2f2; --ink:#1e293b; --muted:#64748b; --line:#e2e8f0; --bg:#f6f8fc; --card:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter','Segoe UI',Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.6;font-size:15px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86em;background:#eef2f7;border:1px solid #e3e8ef;border-radius:5px;padding:1px 5px;color:#0f2a6b;word-break:break-word}

/* Top bar */
.top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.top::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--gold1),var(--gold2))}
.top-in{max-width:1180px;margin:0 auto;padding:10px 20px 13px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:#fff!important;text-decoration:none!important}
.brand img{width:38px;height:38px}
.brand b{display:block;font-size:16px;font-weight:800;letter-spacing:1px;line-height:1.1}
.brand small{display:block;font-size:10px;font-weight:600;letter-spacing:1.4px;color:var(--gold1);text-transform:uppercase}
.top nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap;font-size:14px}
.top nav a{color:#dbe7fe;padding:6px 10px;border-radius:6px}
.top nav a:hover{background:rgba(255,255,255,.1);text-decoration:none}
.top nav a.on{color:#fff;background:rgba(255,255,255,.12);font-weight:600}
.top nav a.cta{background:linear-gradient(90deg,var(--gold1),var(--gold2));color:var(--navy);font-weight:700}

/* Hero */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:44px 20px 52px}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 70% at 88% 0%,rgba(36,85,214,.55),transparent 60%),radial-gradient(40% 70% at 5% 100%,rgba(22,163,74,.35),transparent 60%)}
.hero>*{position:relative}
.hero-in{max-width:1180px;margin:0 auto}
.eyebrow{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:var(--gold1);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.hero h1{margin:14px 0 10px;font-size:clamp(26px,3.6vw,40px);line-height:1.15;font-weight:800;max-width:860px}
.hero p{margin:0;color:#dbe7fe;font-size:16.5px;max-width:760px}
.meta{margin-top:14px;font-size:13px;color:#b9c8ee}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pills span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600}

/* Layout */
.wrap{max-width:1180px;margin:0 auto;padding:28px 20px 60px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px}
.toc{position:sticky;top:84px;align-self:start;font-size:13.5px}
.toc b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:8px}
.toc a{display:block;color:#334155;padding:5px 10px;border-left:2px solid var(--line)}
.toc a:hover{color:var(--blue);border-left-color:var(--blue);text-decoration:none;background:var(--light)}
main{min-width:0}
section{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px 28px;margin-bottom:22px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
section>h2{margin:0 0 6px;font-size:22px;font-weight:800;color:var(--navy);scroll-margin-top:90px}
section>h2 .n{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--light);color:var(--blue);font-size:14px;margin-right:8px;vertical-align:3px}
section h3{margin:22px 0 6px;font-size:16px;color:var(--navy)}
.lead{color:var(--muted);margin:0 0 16px}
p{margin:0 0 12px}
ul,ol{margin:0 0 12px;padding-left:22px}
li{margin:3px 0}

/* Diagrams */
.fig{margin:14px 0 6px;border:1px solid var(--line);border-radius:12px;background:#fbfcff;overflow-x:auto}
.fig svg{display:block;min-width:820px;width:100%;height:auto}
.fig.sm svg{min-width:640px}
.cap{font-size:13px;color:var(--muted);margin:6px 0 0}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:22px;height:3px;border-radius:2px;vertical-align:middle;margin-right:6px}

/* Tables */
.tbl{overflow-x:auto;margin:12px 0;border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:560px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f3f6fb;color:#334155;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
td.c,th.c{text-align:center}
.y{color:var(--green);font-weight:800}
.p{color:var(--gold2);font-weight:800}
.x{color:#cbd5e1}

/* Chips and cards */
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 12px}
.chip{display:inline-block;font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--light);color:var(--blue-dark);border:1px solid var(--light2)}
.chip.g{background:var(--green-light);color:#166534;border-color:#c5ebd3}
.chip.o{background:var(--gold-light);color:var(--gold-ink);border-color:#fde68a}
.chip.r{background:var(--red-light);color:#991b1b;border-color:#fecaca}
.chip.s{background:#f1f5f9;color:#475569;border-color:#e2e8f0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:12px 0}
.card{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff}
.card h4{margin:0 0 4px;font-size:15.5px;color:var(--navy)}
.card p{margin:0;font-size:14px;color:#475569}
.card .ic{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;background:var(--light);margin-bottom:10px}
.card .tag{float:right;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.note{border-left:4px solid var(--gold2);background:var(--gold-light);padding:12px 16px;border-radius:0 10px 10px 0;font-size:14px;color:#5b3a06;margin:14px 0}
.note.b{border-left-color:var(--blue);background:var(--light);color:#1e3a8a}
.note.r{border-left-color:var(--red);background:var(--red-light);color:#7f1d1d}

/* Steps */
.steps{counter-reset:s;list-style:none;padding:0;margin:14px 0}
.steps li{counter-increment:s;position:relative;padding:12px 14px 12px 58px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff}
.steps li::before{content:counter(s);position:absolute;left:14px;top:12px;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.steps li b{color:var(--navy)}
.steps li span{display:block;font-size:14px;color:#475569}

/* Footer */
.foot{background:var(--navy);color:#b9c8ee;font-size:13.5px}
.foot-in{max-width:1180px;margin:0 auto;padding:26px 20px;display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between}
.foot a{color:#fff}
.foot b{color:#fff}

@media (max-width:900px){
  .wrap{grid-template-columns:1fr;gap:0}
  .toc{display:none}
  section{padding:20px 18px}
}
@media (max-width:560px){
  .wrap{padding:18px 12px 40px}
  .top-in{padding:10px 14px 13px}
  .top nav{margin-left:0;width:100%}
  .hero{padding:32px 16px 40px}
}
@media print{
  .top,.toc,.foot{display:none}
  .wrap{display:block}
  section{break-inside:avoid;box-shadow:none}
}
.grid.g4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.dot{display:inline-block;width:12px;height:12px;border-radius:50%;vertical-align:-1px}.dot.y{background:#16a34a}.dot.p{background:#fff;border:3px solid #FF9B00;width:12px;height:12px}
@media (max-width:560px){.top{position:relative}}

/* ===== 3D glossy look (same as the /fds pages): blue gradients, orange accent, 3D cards ===== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600;700;800&display=swap');
:root{--g-navy:#061a5c;--g-deep:#0a2a8f;--g-royal:#0b4fd8;--g-sky:#2f8cff;--g-glow:#6fd6ff;--g-ice:#eaf3ff;--g-orange:#ff7a00;--g-amber:#ffb000;--g-gold:#ffd21f;--g-ink:#0f1e45;
  --g-shadow:0 1px 0 rgba(255,255,255,.9) inset,0 14px 30px rgba(6,26,92,.10),0 2px 6px rgba(6,26,92,.06);--bg:#f3f8ff;--line:#dbe7fb}
body{background:linear-gradient(180deg,#eef5ff 0,#f6f9ff 420px)}
h1,h2,h3,h4,.brand b{font-family:'Poppins','Inter','Segoe UI',Roboto,Arial,sans-serif}
.top{background:linear-gradient(90deg,rgba(6,26,92,.95),rgba(11,79,216,.92));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 6px 22px rgba(6,26,92,.28)}
.top::after{background:linear-gradient(90deg,var(--g-gold),var(--g-orange),var(--g-gold));background-size:200% 100%;animation:g-slide 6s linear infinite}
.brand img{width:42px;height:42px;border-radius:50%;background:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.35),0 0 16px rgba(111,214,255,.6)}
.top nav a{border-radius:999px;font-weight:600}
.top nav a.cta{background:linear-gradient(180deg,#ffe45c,#ffc21a 45%,#ff9d00);color:var(--g-navy);box-shadow:0 2px 0 rgba(255,255,255,.6) inset,0 8px 18px rgba(255,140,0,.4)}
.hero{background:radial-gradient(60% 70% at 80% 20%,rgba(111,214,255,.45),transparent 60%),radial-gradient(50% 70% at 5% 0%,rgba(47,140,255,.55),transparent 60%),linear-gradient(180deg,#0a2a8f 0%,#0b4fd8 60%,#3f9bff 100%);padding:52px 20px 70px}
.hero::before{background:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 140px)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:90px;opacity:.28;background:linear-gradient(180deg,transparent,rgba(255,255,255,.6)),repeating-linear-gradient(90deg,rgba(255,255,255,.6) 0 34px,transparent 34px 46px,rgba(255,255,255,.4) 46px 70px,transparent 70px 88px);
  clip-path:polygon(0 60%,4% 60%,4% 30%,8% 30%,8% 50%,12% 50%,12% 15%,15% 15%,15% 45%,20% 45%,20% 35%,24% 35%,24% 62%,30% 62%,30% 25%,33% 25%,33% 55%,38% 55%,38% 40%,43% 40%,43% 65%,57% 65%,57% 38%,61% 38%,61% 20%,64% 20%,64% 52%,69% 52%,69% 32%,73% 32%,73% 58%,78% 58%,78% 12%,81% 12%,81% 48%,86% 48%,86% 28%,90% 28%,90% 55%,95% 55%,95% 35%,100% 35%,100% 100%,0 100%)}
.eyebrow{color:#fff;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3)}
.hero h1{text-transform:uppercase;letter-spacing:-.3px;text-shadow:0 4px 22px rgba(6,26,92,.35)}
.hero h1 .gold{background:linear-gradient(180deg,#fff27a,#ffc400 55%,#ff9900);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#e3eeff}
.meta{color:#cfe0ff}
.pills span{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3)}
.wrap{margin-top:-30px;position:relative}
.toc{background:linear-gradient(180deg,#fff,#f3f8ff);border:1px solid var(--line);border-radius:16px;padding:14px 10px;box-shadow:var(--g-shadow);top:90px}
.toc a{border-left:0;border-radius:10px;margin:1px 0}
.toc a:hover{background:linear-gradient(180deg,#3d8bff,#0b4fd8);color:#fff}
section{border-color:var(--line);border-radius:18px;background:linear-gradient(180deg,#fff,#fbfdff);box-shadow:var(--g-shadow);position:relative;overflow:hidden}
section::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--g-gold),var(--g-orange))}
section>h2{color:var(--g-ink)}
section>h2 .n{width:34px;height:34px;border-radius:11px;color:#fff;background:linear-gradient(180deg,#3d8bff,#0b4fd8);box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 6px 12px rgba(11,79,216,.3)}
.card{border-color:var(--line);border-radius:16px;background:linear-gradient(180deg,#fff,#f5f9ff);box-shadow:var(--g-shadow);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 1px 0 #fff inset,0 22px 40px rgba(6,26,92,.15)}
.card .ic{width:46px;height:46px;border-radius:14px;background:linear-gradient(180deg,#fff,#d6e8ff);box-shadow:0 0 0 2px #fff,0 6px 12px rgba(6,26,92,.14)}
.steps li{border-color:var(--line);border-radius:14px;background:linear-gradient(180deg,#fff,#f5f9ff);box-shadow:var(--g-shadow)}
.steps li::before{background:linear-gradient(180deg,#ffd84a,#ff8a00);color:var(--g-navy);box-shadow:0 0 0 3px #fff,0 6px 12px rgba(255,140,0,.35)}
.tbl{border-color:var(--line);border-radius:14px;box-shadow:var(--g-shadow)}
th{background:linear-gradient(180deg,#f4f8ff,#e8f0fd);color:#2a3b66}
.fig{border-color:var(--line);border-radius:16px;box-shadow:var(--g-shadow)}
.note{border-radius:0 14px 14px 0}
.foot{background:#061a5c}
@keyframes g-slide{to{background-position:200% 0}}
@media (prefers-reduced-motion:reduce){.top::after{animation:none}.card,.card:hover{transition:none;transform:none}}

/* Guides home: poster-style 3D cards */
.gh{max-width:1180px;margin:-40px auto 0;padding:0 20px 60px;position:relative}
.gh-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;perspective:1200px}
.gh-card{--t1:#46a3ff;--t2:#0b4fd8;--t3:#e9f3ff;--ring:rgba(70,163,255,.5);display:block;border-radius:22px;padding:6px;color:inherit!important;text-decoration:none!important;background:linear-gradient(180deg,var(--t1),var(--t2));
  box-shadow:0 0 0 3px rgba(255,255,255,.9),0 0 26px var(--ring),0 22px 40px rgba(6,26,92,.22);transition:transform .25s,box-shadow .25s;position:relative}
.gh-card:hover{transform:translateY(-8px) rotateX(5deg);box-shadow:0 0 0 3px #fff,0 0 40px var(--ring),0 32px 56px rgba(6,26,92,.3)}
.gh-card::before{content:"";position:absolute;left:10px;right:10px;top:6px;height:42px;border-radius:18px 18px 50% 50%;background:linear-gradient(180deg,rgba(255,255,255,.55),transparent);pointer-events:none}
.gh-card h3{color:#fff;font-size:21px;font-weight:800;text-align:center;margin:0;padding:14px 10px 12px;text-shadow:0 2px 0 rgba(0,0,0,.15)}
.gh-card .b{border-radius:17px;background:linear-gradient(180deg,#fff,var(--t3));padding:18px;text-align:center;min-height:236px;display:flex;flex-direction:column}
.gh-card .art{font-size:54px;line-height:1;margin:4px 0 12px;filter:drop-shadow(0 8px 10px rgba(6,26,92,.22));transition:transform .3s}
.gh-card:hover .art{transform:translateY(-6px) scale(1.06)}
.gh-card p{margin:0;font-size:14px;color:#3c4a6b}
.gh-card .go{margin-top:auto;padding-top:12px;font-weight:800;color:var(--t2)}
.gh-card.purple{--t1:#a47bff;--t2:#5a22c9;--t3:#f3edff;--ring:rgba(150,100,255,.55)}
.gh-card.green{--t1:#59d36b;--t2:#138a34;--t3:#eefbea;--ring:rgba(70,200,90,.55)}
.gh-card.orange{--t1:#ffb23e;--t2:#f06a00;--t3:#fff4e6;--ring:rgba(255,150,40,.6)}
.gh-band{margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);border-radius:20px;background:linear-gradient(180deg,#fff,#eaf3ff);box-shadow:var(--g-shadow),0 0 0 3px #fff;overflow:hidden}
.gh-band div{padding:20px;text-align:center;position:relative}
.gh-band div+div::before{content:"";position:absolute;left:0;top:22%;bottom:22%;width:2px;background:linear-gradient(180deg,transparent,#9cc3ff,transparent)}
.gh-band b{display:block;font-family:'Poppins','Inter',sans-serif;color:var(--g-deep);font-size:16px}
.gh-band span{font-size:13px;color:var(--muted)}
@media (max-width:1000px){.gh-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.gh-grid{grid-template-columns:1fr}.gh-band{grid-template-columns:1fr}.gh-band div+div::before{display:none}.gh{margin-top:-24px;padding:0 14px 40px}}