/* pages.css — the content sub-pages for imanna.ai (About, Help, Contact). Loads AFTER styles.css and
   reuses its design tokens (--bg, --card, --border, --c1/--c2, --grad/--grad2) and shared components
   (.btn, .pcard, .pv-* product-preview panels). This file adds the sub-page chrome (a real site nav +
   footer) and the About / Help / Contact layouts. No external hosts; brand cyan→blue on dark. */

/* ===== Sub-page nav (sticky, matches the home nav language) ===== */
.page-nav{position:sticky;top:0;z-index:50;background:rgba(7,11,22,.78);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.page-nav .nav-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.page-links{display:flex;gap:22px;align-items:center}
.page-links a{font-size:15px;color:var(--muted);font-weight:500;transition:.2s;position:relative;white-space:nowrap}
.page-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad2);transition:width .25s}
.page-links a:hover{color:var(--txt)}.page-links a:hover::after{width:100%}
.page-links a.active{color:var(--txt)}.page-links a.active::after{width:100%}
.page-nav-right{display:flex;align-items:center;gap:12px}
.page-lang{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden}
.page-lang a{padding:6px 12px;font-size:12.5px;font-weight:700;letter-spacing:.5px;color:var(--muted);text-decoration:none;transition:.2s}
.page-lang a.active{background:var(--grad2);color:#fff}
.page-lang a:not(.active):hover{color:var(--txt)}
.page-burger{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;line-height:1}
@media(max-width:860px){
  .page-links{display:none}
  .page-nav-right .btn{display:none}
}

/* ===== Page hero ===== */
.page-hero{position:relative;padding:74px 0 44px;overflow:hidden;text-align:center}
.page-hero .glow{position:absolute;top:-140px;left:50%;transform:translateX(-50%);width:820px;max-width:120vw;height:520px;background:radial-gradient(ellipse at center,rgba(59,130,246,.16),rgba(34,211,238,.08) 42%,transparent 70%);pointer-events:none;z-index:0}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-family:'Sora','Inter',sans-serif;font-size:clamp(32px,5.4vw,52px);font-weight:800;letter-spacing:-1.5px;line-height:1.06;margin:16px auto 0;max-width:800px}
.page-hero .lead{color:var(--muted);font-size:clamp(16px,1.9vw,20px);line-height:1.65;max-width:640px;margin:20px auto 0}
.page-hero .page-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:32px}

/* ===== Brain identity visual (About) — side-profile brain + neural circuit, cyan→blue.
   NEVER an atom/orbital. Pure inline SVG; the gradient is defined in the SVG's <defs>. ===== */
.brain-wrap{display:flex;justify-content:center;margin:6px auto 0;max-width:340px}
.brain-svg{width:100%;height:auto;filter:drop-shadow(0 18px 50px rgba(34,211,238,.22))}
.brain-svg .stroke{fill:none;stroke:url(#brainGrad);stroke-width:5;stroke-linecap:round;stroke-linejoin:round}
.brain-svg .thin{fill:none;stroke:url(#brainGrad);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;opacity:.85}
.brain-svg .node{fill:var(--c1)}
.brain-svg .node.b{fill:var(--c2)}
.brain-svg .halo{fill:none;stroke:var(--border);stroke-width:2;opacity:.5}
@media(prefers-reduced-motion:no-preference){
  .brain-svg .pulse{animation:brainPulse 3.2s ease-in-out infinite}
  .brain-svg .pulse.d2{animation-delay:.5s}
  .brain-svg .pulse.d3{animation-delay:1s}
  .brain-svg .pulse.d4{animation-delay:1.5s}
}
@keyframes brainPulse{0%,100%{opacity:.35}50%{opacity:1}}

/* ===== Generic content section ===== */
.page-sec{padding:56px 0;position:relative}
.page-sec.alt{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.page-sec-head{max-width:720px;margin:0 auto 36px;text-align:center}
.page-sec-head h2{font-family:'Sora','Inter',sans-serif;font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:-.6px;line-height:1.14;margin-top:12px}
.page-sec-head p{color:var(--muted);font-size:16px;margin-top:14px;line-height:1.65}
.page-prose{max-width:760px;margin:0 auto}
.page-prose p{color:var(--muted);font-size:16.5px;line-height:1.8;margin-bottom:18px}
.page-prose strong{color:var(--txt)}
.page-prose a{color:var(--c1);text-decoration:underline;text-underline-offset:2px}
.page-prose a:hover{color:var(--c2)}

/* ===== About — modules grid ===== */
.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1000px;margin:0 auto}
.mod-card{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--border);border-radius:18px;padding:26px 24px;position:relative;overflow:hidden;transition:border-color .2s,transform .2s,box-shadow .2s}
.mod-card:hover{border-color:var(--c2);transform:translateY(-5px);box-shadow:0 22px 50px rgba(0,0,0,.42)}
.mod-ic{width:48px;height:48px;border-radius:13px;background:var(--grad2);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.mod-ic svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mod-card h3{font-family:'Sora',sans-serif;font-size:19px;font-weight:800;letter-spacing:-.3px;margin-bottom:6px}
.mod-card p{color:var(--muted);font-size:14.5px;line-height:1.6}
.mod-card .mod-soon{display:inline-block;margin-top:12px;font-size:10.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--c3);background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);border-radius:20px;padding:3px 10px}
@media(max-width:860px){.mod-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.mod-grid{grid-template-columns:1fr}}

/* ===== About — value points reuse .cards/.pcard (from styles.css) ===== */
.about-vals{max-width:1000px;margin:0 auto}

/* ===== About — the flow strip (mockup → review → build) as big steps ===== */
.flow-big{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:940px;margin:0 auto}
.flow-step{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px 22px;position:relative}
.flow-step .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--grad2);color:#fff;font-family:'Sora',sans-serif;font-weight:800;font-size:15px;margin-bottom:14px}
.flow-step h3{font-family:'Sora',sans-serif;font-size:18px;font-weight:800;margin-bottom:6px}
.flow-step p{color:var(--muted);font-size:14px;line-height:1.6}
@media(max-width:780px){.flow-big{grid-template-columns:1fr}}

/* ===== Help — collection cards (Announcements + Tutorials) ===== */
.help-collections{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:1000px;margin:0 auto 44px}
.coll-card{display:flex;flex-direction:column;background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--border);border-radius:20px;padding:26px 26px;position:relative;overflow:hidden;transition:border-color .2s,transform .2s,box-shadow .2s}
.coll-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.coll-card:hover{border-color:var(--c2);transform:translateY(-4px);box-shadow:0 22px 50px rgba(0,0,0,.4)}
.coll-head{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.coll-ic{width:46px;height:46px;border-radius:12px;background:var(--grad2);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.coll-ic svg{width:23px;height:23px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.coll-card h2{font-family:'Sora',sans-serif;font-size:21px;font-weight:800;letter-spacing:-.3px}
.coll-card>p{color:var(--muted);font-size:14.5px;line-height:1.6;margin-bottom:16px}
.coll-list{list-style:none;display:flex;flex-direction:column;gap:2px;margin:0 0 8px}
.coll-list li{border-top:1px solid var(--border)}
.coll-list li:first-child{border-top:0}
.coll-list a,.coll-list .ci{display:flex;align-items:flex-start;gap:12px;padding:13px 4px;color:var(--txt);transition:.2s}
.coll-list a:hover{color:var(--c1)}
.coll-date{flex:0 0 auto;font-size:11px;font-weight:700;letter-spacing:.5px;color:var(--c1);background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.28);border-radius:6px;padding:3px 8px;margin-top:1px;white-space:nowrap}
.coll-item-t{font-size:14.5px;font-weight:600;line-height:1.4}
.coll-item-d{font-size:13px;color:var(--muted);line-height:1.5;margin-top:2px}
.coll-tut-n{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;background:var(--card2);border:1px solid var(--border);color:var(--c1);font-size:12px;font-weight:800;font-family:'Sora',sans-serif}
.coll-more{margin-top:auto;align-self:flex-start;font-weight:700;font-size:14px;color:var(--c1);padding-top:10px}
.coll-more:hover{opacity:.8}
@media(max-width:860px){.help-collections{grid-template-columns:1fr}}

/* ===== Help — category cards ===== */
.help-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1000px;margin:0 auto}
.cat-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px 22px;transition:border-color .2s,transform .2s,box-shadow .2s}
.cat-card:hover{border-color:var(--c2);transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.cat-ic{width:42px;height:42px;border-radius:11px;background:var(--card2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--c1)}
.cat-ic svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cat-card h3{font-family:'Sora',sans-serif;font-size:16.5px;font-weight:800;margin-bottom:5px}
.cat-card p{color:var(--muted);font-size:13.5px;line-height:1.55}
@media(max-width:860px){.help-cats{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.help-cats{grid-template-columns:1fr}}

/* in-app help banner */
.help-inapp{max-width:1000px;margin:44px auto 0;display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between;background:linear-gradient(120deg,rgba(34,211,238,.08),rgba(59,130,246,.06));border:1px solid var(--border);border-radius:18px;padding:24px 28px}
.help-inapp h3{font-family:'Sora',sans-serif;font-size:19px;font-weight:800;margin-bottom:4px}
.help-inapp p{color:var(--muted);font-size:14.5px;max-width:520px}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:960px;margin:0 auto;align-items:start}
.contact-cards{display:flex;flex-direction:column;gap:16px}
.contact-card{display:flex;gap:15px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px 22px;transition:border-color .2s,transform .2s}
.contact-card:hover{border-color:var(--c2);transform:translateY(-3px)}
.contact-card .cc-ic{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--grad2);display:flex;align-items:center;justify-content:center}
.contact-card .cc-ic svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.contact-card h3{font-family:'Sora',sans-serif;font-size:16.5px;font-weight:800;margin-bottom:3px}
.contact-card p{color:var(--muted);font-size:14px;line-height:1.55}
.contact-card a{color:var(--c1);font-weight:600;text-decoration:none}
.contact-card a:hover{color:var(--c2);text-decoration:underline}
.contact-panel{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--border);border-radius:20px;padding:28px 28px;position:relative;overflow:hidden}
.contact-panel::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.contact-panel h2{font-family:'Sora',sans-serif;font-size:22px;font-weight:800;letter-spacing:-.3px;margin-bottom:6px}
.contact-panel .cp-sub{color:var(--muted);font-size:14.5px;margin-bottom:20px;line-height:1.55}
.contact-form{display:flex;flex-direction:column;gap:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--txt);margin-bottom:6px}
.field input,.field textarea{width:100%;padding:13px 15px;border-radius:11px;border:1px solid #2A3A5C;background:var(--bg);color:var(--txt);font-family:'Inter',sans-serif;font-size:15px;line-height:1.4;box-shadow:inset 0 1px 2px rgba(0,0,0,.35);transition:border-color .2s,box-shadow .2s,background .2s}
.field input::placeholder,.field textarea::placeholder{color:#8595B4;opacity:1}
.field input:hover,.field textarea:hover{border-color:#38496E}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c2);background:var(--bg2);box-shadow:0 0 0 3px rgba(59,130,246,.18)}
.field textarea{resize:vertical;min-height:120px}
.contact-form .btn{margin-top:4px;justify-content:center}
.contact-ok{display:none;align-items:center;gap:10px;margin-top:14px;color:var(--txt);font-weight:600;font-size:14.5px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.28);border-radius:12px;padding:12px 14px}
.contact-ok:not([hidden]){display:flex}
.contact-ok .d{width:10px;height:10px;border-radius:50%;background:var(--grad2);box-shadow:0 0 12px rgba(34,211,238,.7);flex:0 0 auto}
.contact-fine{font-size:12.5px;color:var(--dim);margin-top:14px;line-height:1.55}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}

/* ===== Sub-page footer (matches the home footer) ===== */
.page-foot{border-top:1px solid var(--border);padding:44px 0 40px;color:var(--muted)}
.page-foot .foot-in{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.page-foot .foot-links{display:flex;gap:22px;font-size:14px;flex-wrap:wrap}
.page-foot .foot-links a{color:var(--muted);transition:color .2s}
.page-foot .foot-links a:hover{color:var(--txt)}
.page-foot .foot-copy{font-size:13px;color:var(--dim);margin-top:22px}
.page-foot .foot-copy a{color:var(--c1)}