:root{--azure:#0078d4;--azure2:#005ea6;--ink:#10243e;--muted:#5d6b7c;--bg:#fff;--surface:#f5f9fd;--card:#fff;--line:#dce7f1;--shadow:0 18px 50px rgba(16,36,62,.1);--radius:22px}html[data-theme="dark"]{--ink:#edf6ff;--muted:#a9bed1;--bg:#071522;--surface:#0d2032;--card:#10283c;--line:#24445c;--shadow:0 18px 50px rgba(0,0,0,.28)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}a{color:inherit;text-decoration:none}.container{width:min(1160px,calc(100% - 40px));margin:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;z-index:999;background:var(--bg);padding:10px}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:43px;height:43px;display:grid;place-items:center;border-radius:13px;color:#fff;background:linear-gradient(145deg,var(--azure),#56b4f5);font-weight:800}.brand small,.brand strong{display:block}.brand small{font-size:12px;color:var(--muted)}.primary-nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:600}.primary-nav a:hover{color:var(--azure)}.theme-toggle,.nav-toggle{border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer}.theme-toggle{width:38px;height:38px;border-radius:50%;font-size:18px}.nav-toggle{display:none;padding:9px;border-radius:10px}.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px}.hero{padding:94px 0 84px;background:radial-gradient(circle at 82% 18%,rgba(0,120,212,.18),transparent 31%),linear-gradient(180deg,var(--surface),var(--bg))}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}.eyebrow{color:var(--azure);font-size:12px;font-weight:800;letter-spacing:.16em;margin:0 0 12px}.hero h1{font-size:clamp(42px,6vw,68px);line-height:1.06;margin:0 0 25px;letter-spacing:-.045em}.hero h1 span{color:var(--azure)}.lead{font-size:20px;color:var(--muted);max-width:720px}.lead.small{font-size:18px}.hero-actions{display:flex;gap:14px;margin:32px 0}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 22px;border-radius:13px;font-weight:700;border:1px solid var(--line);cursor:pointer}.btn.primary{background:var(--azure);border-color:var(--azure);color:#fff}.btn.primary:hover{background:var(--azure2)}.btn.secondary{background:var(--card)}.trust-list{display:flex;flex-wrap:wrap;gap:10px;padding:0;list-style:none}.trust-list li{font-size:13px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted)}.hero-visual{height:450px;position:relative;border-radius:34px;background:linear-gradient(145deg,#072f55,#0085df);box-shadow:var(--shadow);overflow:hidden}.hero-visual:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.2) 1px,transparent 1px);background-size:24px 24px}.hero-visual svg{position:absolute;inset:40px 20px;width:90%;height:80%;fill:none;stroke:#7ed0ff;stroke-width:3;stroke-dasharray:8}.cloud-card{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);width:245px;padding:30px;text-align:center;color:#fff;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.35);border-radius:80px;backdrop-filter:blur(9px)}.cloud-card>*{display:block}.cloud-card small{opacity:.8}.azure-icon{font-size:45px;font-weight:800}.node{position:absolute;z-index:3;background:#fff;color:#07325a;font-size:13px;font-weight:800;padding:9px 13px;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.2)}.n1{left:32px;top:220px}.n2{right:35px;top:100px}.n3{right:45px;bottom:55px}.section{padding:90px 0}.section.alt{background:var(--surface)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}h2{font-size:clamp(32px,4vw,47px);line-height:1.1;margin:0 0 20px;letter-spacing:-.03em}.filters{display:flex;gap:8px;flex-wrap:wrap}.filter{border:1px solid var(--line);background:var(--card);color:var(--muted);padding:8px 13px;border-radius:999px;cursor:pointer}.filter.active{background:var(--azure);color:#fff;border-color:var(--azure)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 35px rgba(16,36,62,.06);transition:.22s transform}.article-card:hover{transform:translateY(-5px)}.article-card.hidden{display:none}.card-art{height:180px;display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:.15em}.arc-art{background:linear-gradient(140deg,#062f56,#008ae6)}.migration-art{background:linear-gradient(140deg,#1a2a46,#5b78b4)}.avd-art{background:linear-gradient(140deg,#164d70,#32a9b8)}.card-body{padding:25px}.tag{color:var(--azure);font-size:12px;font-weight:800;text-transform:uppercase}.card-body h3{font-size:21px;line-height:1.3;margin:10px 0}.card-body p,.meta{color:var(--muted)}.meta{display:flex;justify-content:space-between;font-size:12px;border-top:1px solid var(--line);padding-top:15px}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.topic{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}.topic span{color:var(--azure);font-weight:800}.topic h3{font-size:21px;margin:22px 0 8px}.topic p{color:var(--muted)}.diagram-grid,.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.diagram-preview{min-height:390px;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:30px}.diagram-preview:before,.diagram-preview:after{content:"";position:absolute;background:var(--azure);opacity:.5}.diagram-preview:before{left:20%;right:20%;height:2px;top:52%}.diagram-preview:after{top:20%;bottom:18%;width:2px;left:50%}.diagram-cloud,.diagram-box{position:absolute;z-index:2;padding:15px 22px;border-radius:14px;background:var(--card);border:2px solid var(--azure);box-shadow:var(--shadow);font-weight:700}.diagram-cloud{left:50%;top:50%;transform:translate(-50%,-50%);border-radius:40px;background:var(--azure);color:#fff}.diagram-box.left{left:7%;top:45%}.diagram-box.right{right:7%;top:45%}.diagram-box.bottom{bottom:8%;left:50%;transform:translateX(-50%)}.portrait{width:300px;height:300px;margin:auto;display:grid;place-items:center;border-radius:38% 62% 60% 40%;background:linear-gradient(145deg,var(--azure),#62c4ff);color:#fff;font-size:80px;font-weight:800}.socials{display:flex;gap:26px;margin-top:24px;color:var(--azure);font-weight:700}.newsletter{background:linear-gradient(140deg,#032d52,#006db8);color:#fff}.newsletter-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}.newsletter .eyebrow{color:#7ed0ff}.newsletter p{color:#d7eefe}form{display:grid;grid-template-columns:1fr 1fr;gap:15px}label span{display:block;font-size:13px;margin-bottom:6px}input,textarea{width:100%;border:1px solid rgba(255,255,255,.3);border-radius:12px;padding:13px;font:inherit;background:rgba(255,255,255,.1);color:#fff}input::placeholder,textarea::placeholder{color:#c5d9e9}.full{grid-column:1/-1}.form-status{margin:0;font-size:13px}footer{padding:40px 0;background:#05111d;color:#d5e5f2}.footer-grid{display:grid;grid-template-columns:1fr auto auto;gap:40px;align-items:center}.footer-grid p{color:#91a8bb;margin:4px 0}.footer-grid div:nth-child(2){display:flex;gap:20px;font-size:14px}@media(max-width:900px){.primary-nav{position:absolute;display:none;left:20px;right:20px;top:70px;flex-direction:column;align-items:stretch;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.primary-nav.open{display:flex}.nav-toggle{display:block}.hero-grid,.diagram-grid,.about-grid,.newsletter-box{grid-template-columns:1fr}.hero-visual{height:380px}.card-grid{grid-template-columns:1fr 1fr}.topic-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}}@media(max-width:620px){.container{width:min(100% - 28px,1160px)}.hero{padding-top:60px}.hero h1{font-size:40px}.hero-actions{flex-direction:column}.hero-visual{height:330px}.card-grid,.topic-grid{grid-template-columns:1fr}.section{padding:65px 0}.filters{overflow:auto;max-width:100%;flex-wrap:nowrap}.portrait{width:230px;height:230px}.diagram-preview{min-height:340px}.diagram-box{font-size:12px;padding:9px}.newsletter-box{gap:30px}form{grid-template-columns:1fr}.footer-grid div:nth-child(2){flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}