*{box-sizing:border-box}body{margin:0;background:#f7f7f5;color:#111827;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;padding:12px 5%;background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:20}.brand{font-weight:950;font-size:27px;letter-spacing:-1px}.brand span,.mark span{color:#f97316}.menu{display:none;border:0;background:none;font-size:24px}.nav nav{display:flex;align-items:center;gap:22px}.hero{min-height:650px;padding:8% 7%;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;background:linear-gradient(135deg,#0b0b0b 0%,#111827 70%,#15351f 100%);color:#fff}.eyebrow{font-size:12px;font-weight:900;letter-spacing:2px;color:#f97316;margin-bottom:14px}.hero h1{font-size:clamp(46px,8vw,92px);line-height:.92;letter-spacing:-4px;margin:0 0 24px;max-width:900px}.hero p{font-size:19px;line-height:1.6;color:#d1d5db;max-width:700px}.actions{display:flex;gap:12px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border-radius:10px;border:1px solid #111827;font-weight:800;cursor:pointer}.btn-orange{background:#f97316;color:#fff;border-color:#f97316}.btn-outline{background:transparent}.hero .btn-outline{color:#fff;border-color:#6b7280}.hero-card{border:1px solid #374151;border-radius:28px;padding:50px;background:#111827;box-shadow:0 30px 80px #0006;text-align:center}.mark{font-size:90px;font-weight:950;letter-spacing:-6px}.stats{display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border-bottom:1px solid #e5e7eb}.stats div{padding:30px;text-align:center;border-right:1px solid #e5e7eb}.stats strong{display:block;font-size:36px}.stats span{color:#6b7280}.section{padding:70px 7%;max-width:1300px;margin:auto}.section h1,.section h2{font-size:clamp(32px,5vw,56px);letter-spacing:-2px;margin:0 0 25px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid3 article,.dashboard-card,.form-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:25px;box-shadow:0 10px 35px #11182708}.grid3 b{color:#f97316}.big{font-size:42px}.form-wrap{min-height:100vh;display:grid;place-items:center;padding:25px}.form-card{width:min(560px,100%)}label{display:block;font-weight:750;margin:16px 0}input,select{width:100%;padding:13px 14px;margin-top:7px;border:1px solid #d1d5db;border-radius:9px;background:#fff;font:inherit}.password{display:flex}.password input{border-radius:9px 0 0 9px}.password button{margin-top:7px;border:1px solid #d1d5db;border-left:0;background:#f3f4f6;border-radius:0 9px 9px 0}.check{display:flex;gap:8px;align-items:center;font-weight:500}.check input{width:auto}.full{width:100%;margin-top:10px}.alert{padding:12px;border-radius:8px;margin:15px 0}.alert.error{background:#fee2e2}.alert.success{background:#dcfce7}.code{font-family:monospace;font-size:24px;font-weight:900}.section-head{margin-bottom:30px}footer{padding:35px 7%;background:#111827;color:#d1d5db}@media(max-width:760px){.menu{display:block}.nav nav{display:none}.nav nav.open{display:flex;position:absolute;left:0;right:0;top:68px;padding:15px;background:#fff;flex-direction:column}.hero{grid-template-columns:1fr;min-height:auto;padding:70px 7%}.hero h1{font-size:52px}.hero-card{padding:30px}.stats,.grid3{grid-template-columns:1fr}.stats div{border-right:0;border-bottom:1px solid #e5e7eb}.section{padding:50px 6%}}textarea{width:100%;padding:13px 14px;border:1px solid #d1d5db;border-radius:9px;background:#fff;font:inherit;resize:vertical}.muted,small{color:#6b7280}.feed-tabs{display:flex;gap:8px;overflow:auto}.feed-tabs a{padding:10px 15px;border-radius:999px;background:#fff;border:1px solid #e5e7eb;font-weight:800}.feed-tabs a.active{background:#111827;color:#fff}.feed-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}.composer,.post-card{margin-bottom:16px}.composer{display:flex;gap:14px;align-items:center}.avatar{width:44px;height:44px;min-width:44px;border-radius:50%;display:grid;place-items:center;background:#111827;color:#fff;font-weight:900}.post-head{display:flex;gap:12px;align-items:center}.post-head small{display:block}.badge{display:inline-block;margin-left:7px;padding:3px 7px;border-radius:999px;background:#dcfce7;color:#166534;font-size:11px;font-weight:800}.post-body{font-size:16px;line-height:1.7;white-space:normal}.post-media{width:100%;max-height:600px;object-fit:cover;border-radius:12px}.post-actions{display:flex;gap:7px;border-top:1px solid #eee;padding-top:10px;flex-wrap:wrap}.action{border:0;background:none;padding:8px 10px;border-radius:8px;font:inherit;cursor:pointer}.action:hover,.action.selected{background:#f3f4f6}.comment-box{margin-top:12px;padding-top:12px;border-top:1px solid #eee}.comment-box form{display:flex;gap:8px}.comment-box input{margin:0}.comment-box p{font-size:14px}.stack{display:grid;gap:12px;margin-top:18px}.unread{border-left:4px solid #f97316}.video-link{font-weight:800;color:#ea580c}.side-card{position:sticky;top:90px}@media(max-width:760px){.feed-grid{grid-template-columns:1fr}.side-card{display:none}.comment-box form{display:block}.comment-box button{margin-top:8px}}

/* Phase 5 */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;margin:1.25rem 0}
.stat{padding:1.1rem;border:1px solid rgba(0,0,0,.1);border-radius:16px;background:#fff;display:flex;flex-direction:column;gap:.25rem}
.stat b{font-size:1.6rem}.stat span,.muted{opacity:.7}
.card-actions{display:flex;justify-content:space-between;align-items:center;gap:.75rem;margin-top:1rem}
.share-box{display:flex;gap:.5rem;max-width:800px}.share-box input{flex:1}
.social-share{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1rem}.social-share a{padding:.6rem .9rem;border:1px solid rgba(0,0,0,.12);border-radius:10px}
.table-wrap{overflow:auto}.table-wrap table{width:100%;border-collapse:collapse}.table-wrap th,.table-wrap td{padding:.7rem;border-bottom:1px solid rgba(0,0,0,.1);text-align:left}
label{display:block;margin:.75rem 0}input,select,textarea{width:100%;padding:.75rem;border:1px solid rgba(0,0,0,.18);border-radius:10px}
@media(max-width:700px){.grid-2,.stats-grid{grid-template-columns:1fr}.share-box{flex-direction:column}}