/* FOOTER */
footer{background:var(--bg);border-top:none;padding:80px 40px 40px;position:relative}
footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:var(--gb)}
.fi{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px}
@media(max-width:768px){.fi{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:480px){.fi{grid-template-columns:1fr;gap:28px}}
.fb img{height:32px;margin-bottom:16px}.fb p{font-size:14px;color:var(--tm);font-weight:300;max-width:280px;line-height:1.7}
.fc h5{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--tm);margin-bottom:16px;font-weight:500}
.fc a{display:block;color:var(--ts);text-decoration:none;font-size:14px;padding:4px 0;transition:color .3s}
.fc a:hover{color:var(--gold)}
.fbt{max-width:1200px;margin:40px auto 0;padding-top:24px;border-top:none;position:relative;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.fbt::before{content:'';position:absolute;top:0;left:calc(-50vw + 50%);right:calc(-50vw + 50%);height:1px;background:rgba(255,255,255,.06)}
html[data-theme="light"] .fbt::before{background:rgba(0,0,0,.08)}
.fbt p{font-size:12px;color:var(--tm)}

/* FLOATING BACK TO TOP */
#btt{position:fixed;bottom:32px;right:32px;width:40px;height:40px;border-radius:10px;background:var(--gl);border:1px solid var(--gb);backdrop-filter:blur(12px);cursor:pointer;color:var(--ts);font-size:16px;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:all .4s var(--eo);z-index:900}
#btt.vis{opacity:1;pointer-events:auto}
#btt:hover{border-color:var(--gold);color:var(--tp);transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.amb{position:absolute;border-radius:50%;pointer-events:none;filter:blur(80px)}
@keyframes eqB{0%{height:4px}100%{height:20px}}

/* THEME TOGGLE */
.tt{background:none;border:1px solid var(--gb);border-radius:8px;cursor:pointer;padding:5px 9px;color:var(--ts);font-size:15px;transition:all .3s var(--eo);line-height:1;flex-shrink:0}
.tt:hover{border-color:var(--gold);color:var(--tp);transform:scale(1.08)}

/* ═══════════════════════════════════════
   SCROLL ASSEMBLY — Build Experience
═══════════════════════════════════════ */

/* ── Floating Progress Sidebar ── */
#buildTracker{position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:950;display:flex;flex-direction:column;align-items:center;gap:0;opacity:0;transition:opacity .6s var(--eo);pointer-events:none}
#buildTracker.vis{opacity:1;pointer-events:auto}
.bt-line{width:2px;height:28px;background:var(--gb);position:relative;overflow:hidden;border-radius:1px}
.bt-line::after{content:'';position:absolute;top:0;left:0;width:100%;height:0;background:linear-gradient(180deg,var(--gold),var(--blue));border-radius:1px;transition:height .8s var(--eo)}
.bt-line.done::after{height:100%}
.bt-step{width:36px;height:36px;border-radius:50%;background:var(--gl);border:2px solid var(--gb);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--tm);transition:all .5s var(--eo);cursor:pointer;position:relative;backdrop-filter:blur(12px)}
.bt-step:hover{border-color:var(--gold);color:var(--tp);transform:scale(1.15)}
.bt-step.active{border-color:var(--gold);color:var(--gold);background:var(--gs);box-shadow:0 0 20px rgba(201,168,76,.25)}
.bt-step.done{border-color:var(--grn);color:#fff;background:rgba(76,175,80,.2);box-shadow:0 0 12px rgba(76,175,80,.2)}
.bt-step.done::after{content:'✓';position:absolute;font-size:14px;color:var(--grn)}
.bt-step.done span{opacity:0}
.bt-tip{position:absolute;right:calc(100% + 14px);top:50%;transform:translateY(-50%);background:var(--card-bg1);border:1px solid var(--gb);border-radius:10px;padding:6px 14px;white-space:nowrap;font-size:11px;font-weight:600;color:var(--tp);opacity:0;pointer-events:none;transition:all .3s var(--eo);backdrop-filter:blur(16px);box-shadow:0 8px 24px rgba(0,0,0,.4)}
.bt-tip::after{content:'';position:absolute;left:100%;top:50%;transform:translateY(-50%);border:5px solid transparent;border-left-color:var(--gb)}
.bt-step:hover .bt-tip,.bt-step.active .bt-tip{opacity:1;transform:translateY(-50%) translateX(-4px)}
@media(max-width:1200px){#buildTracker{display:none}}

/* ── Section Component Labels ── */
.comp-label{display:flex;align-items:center;gap:14px;margin-bottom:32px;opacity:0;transform:translateY(30px);transition:opacity .8s var(--eo),transform .8s var(--eo)}
.comp-label.vi{opacity:1;transform:translateY(0)}
.comp-num{width:44px;height:44px;border-radius:50%;border:2px solid var(--gold);display:flex;align-items:center;justify-content:center;font-family:var(--fd);font-size:16px;font-weight:800;color:var(--gold);flex-shrink:0;position:relative;overflow:hidden}
.comp-num::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at center,rgba(201,168,76,.15),transparent 70%);opacity:0;transition:opacity .5s}
.comp-label.vi .comp-num::before{opacity:1}
.comp-tag{font-size:10px;letter-spacing:4px;text-transform:uppercase;color:var(--gold);font-weight:600;line-height:1.3}
.comp-tag small{display:block;font-size:10px;letter-spacing:2px;color:var(--tm);font-weight:400;margin-top:2px}

/* ── Section Connectors ── */
.section-connector{height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}
.section-connector::before{content:'';width:2px;height:0;background:linear-gradient(180deg,transparent,var(--gold),transparent);transition:height 1.2s var(--eo);position:absolute;top:0}
.section-connector.vi::before{height:100%}
.section-connector .conn-pulse{width:8px;height:8px;border-radius:50%;background:var(--gold);opacity:0;transform:scale(0);transition:all .6s .6s var(--eo);box-shadow:0 0 16px rgba(201,168,76,.5)}
.section-connector.vi .conn-pulse{opacity:1;transform:scale(1)}

/* ── Enhanced Scroll Reveals ── */
.asm-up{opacity:0;transform:translateY(80px);transition:opacity 1s var(--eo),transform 1.2s var(--eo)}
.asm-up.vi{opacity:1;transform:translateY(0)}
.asm-left{opacity:0;transform:translateX(-100px) rotate(-2deg);transition:opacity 1s var(--eo),transform 1.2s var(--eo)}
.asm-left.vi{opacity:1;transform:translateX(0) rotate(0)}
.asm-right{opacity:0;transform:translateX(100px) rotate(2deg);transition:opacity 1s var(--eo),transform 1.2s var(--eo)}
.asm-right.vi{opacity:1;transform:translateX(0) rotate(0)}
.asm-scale{opacity:0;transform:scale(.7);transition:opacity 1s var(--eo),transform 1.2s var(--eo)}
.asm-scale.vi{opacity:1;transform:scale(1)}
.asm-flip{opacity:0;transform:perspective(800px) rotateY(25deg) translateX(40px);transition:opacity 1s var(--eo),transform 1.4s var(--eo)}
.asm-flip.vi{opacity:1;transform:perspective(800px) rotateY(0) translateX(0)}
.asm-blur{opacity:0;filter:blur(20px);transform:translateY(40px) scale(.95);transition:opacity 1s var(--eo),filter 1.2s var(--eo),transform 1.2s var(--eo)}
.asm-blur.vi{opacity:1;filter:blur(0);transform:translateY(0) scale(1)}

/* Assembly stagger delays */
.asm-d1{transition-delay:.1s}.asm-d2{transition-delay:.2s}.asm-d3{transition-delay:.3s}
.asm-d4{transition-delay:.4s}.asm-d5{transition-delay:.5s}.asm-d6{transition-delay:.6s}
.asm-d7{transition-delay:.7s}.asm-d8{transition-delay:.8s}

/* ── Dashboard Assembly — piece by piece ── */
.ad-shell-asm .ad-sb{opacity:0;transform:translateX(-60px);transition:opacity .8s var(--eo),transform 1s var(--eo)}
.ad-shell-asm.vi .ad-sb{opacity:1;transform:translateX(0);transition-delay:.2s}
.ad-shell-asm .ad-hdr{opacity:0;transform:translateY(-30px);transition:opacity .7s var(--eo),transform .9s var(--eo)}
.ad-shell-asm.vi .ad-hdr{opacity:1;transform:translateY(0);transition-delay:.5s}
.ad-shell-asm .ad-tabs{opacity:0;transform:translateY(-20px);transition:opacity .7s var(--eo),transform .8s var(--eo)}
.ad-shell-asm.vi .ad-tabs{opacity:1;transform:translateY(0);transition-delay:.7s}
.ad-shell-asm .ad-w{opacity:0;transform:translateY(40px) scale(.85);transition:opacity .6s var(--eo),transform .8s var(--eo)}
.ad-shell-asm.vi .ad-w:nth-child(1){opacity:1;transform:translateY(0) scale(1);transition-delay:.9s}
.ad-shell-asm.vi .ad-w:nth-child(2){opacity:1;transform:translateY(0) scale(1);transition-delay:1s}
.ad-shell-asm.vi .ad-w:nth-child(3){opacity:1;transform:translateY(0) scale(1);transition-delay:1.1s}
.ad-shell-asm.vi .ad-w:nth-child(4){opacity:1;transform:translateY(0) scale(1);transition-delay:1.2s}
.ad-shell-asm.vi .ad-w:nth-child(5){opacity:1;transform:translateY(0) scale(1);transition-delay:1.3s}
.ad-shell-asm.vi .ad-w:nth-child(6){opacity:1;transform:translateY(0) scale(1);transition-delay:1.4s}
.ad-shell-asm.vi .ad-w:nth-child(7){opacity:1;transform:translateY(0) scale(1);transition-delay:1.5s}

/* ── Automation Cards Assembly ── */
.ac-asm{opacity:0;transform:translateY(60px) scale(.9);transition:opacity .8s var(--eo),transform 1s var(--eo)}
.ac-asm.vi{opacity:1;transform:translateY(0) scale(1)}
.ac-asm .as{opacity:0;transform:translateX(-20px);transition:opacity .5s var(--eo),transform .6s var(--eo)}
.ac-asm.vi .as:nth-child(1){opacity:1;transform:translateX(0);transition-delay:.4s}
.ac-asm.vi .as:nth-child(2){opacity:1;transform:translateX(0);transition-delay:.55s}
.ac-asm.vi .as:nth-child(3){opacity:1;transform:translateX(0);transition-delay:.7s}
.ac-asm.vi .as:nth-child(4){opacity:1;transform:translateX(0);transition-delay:.85s}

/* ── Architecture Layers Assembly ── */
.arch-asm .arch-layer{opacity:0;transform:translateY(50px);transition:opacity .8s var(--eo),transform 1s var(--eo)}
.arch-asm.vi .arch-layer.devices{opacity:1;transform:translateY(0);transition-delay:.1s}
.arch-asm.vi .arch-layer.bridges{opacity:1;transform:translateY(0);transition-delay:.4s}
.arch-asm.vi .arch-layer.core{opacity:1;transform:translateY(0);transition-delay:.7s}
.arch-asm.vi .arch-layer.remote{opacity:1;transform:translateY(0);transition-delay:1s}
.arch-asm .arch-connector{opacity:0;transition:opacity .6s var(--eo)}
.arch-asm.vi .arch-connector:nth-of-type(2){opacity:1;transition-delay:.3s}
.arch-asm.vi .arch-connector:nth-of-type(4){opacity:1;transition-delay:.6s}
.arch-asm.vi .arch-connector:nth-of-type(6){opacity:1;transition-delay:.9s}

/* ── Build Complete Banner ── */
.build-complete{text-align:center;padding:80px 40px;position:relative;overflow:hidden}
.build-complete .bc-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:300px;border-radius:50%;background:radial-gradient(ellipse,rgba(201,168,76,.08),transparent 70%);pointer-events:none}
.bc-badge{display:inline-flex;align-items:center;gap:10px;padding:12px 32px;border-radius:99px;background:linear-gradient(135deg,rgba(201,168,76,.1),rgba(74,144,217,.08));border:1px solid rgba(201,168,76,.25);margin-bottom:20px;opacity:0;transform:scale(.8);transition:all .8s var(--eo)}
.bc-badge.vi{opacity:1;transform:scale(1)}
.bc-badge .bc-check{width:24px;height:24px;border-radius:50%;background:var(--grn);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;box-shadow:0 0 16px rgba(76,175,80,.4)}
.bc-badge span{font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--gold)}
.bc-title{font-family:var(--fd);font-size:clamp(28px,4vw,48px);font-weight:800;line-height:1.1;margin-bottom:16px;opacity:0;transform:translateY(30px);transition:all .8s .3s var(--eo)}
.bc-title.vi{opacity:1;transform:translateY(0)}
.bc-sub{font-size:clamp(14px,1.4vw,17px);color:var(--ts);max-width:500px;margin:0 auto 40px;font-weight:300;line-height:1.7;opacity:0;transform:translateY(20px);transition:all .8s .5s var(--eo)}
.bc-sub.vi{opacity:1;transform:translateY(0)}
.bc-divider{width:80px;height:2px;background:linear-gradient(90deg,var(--gold),var(--blue));margin:0 auto;border-radius:1px;opacity:0;transform:scaleX(0);transition:all .8s .7s var(--eo)}
.bc-divider.vi{opacity:1;transform:scaleX(1)}

/* ── Glow ring animation for sections ── */
@keyframes asmGlowRing{0%{box-shadow:0 0 0 0 rgba(201,168,76,.3)}70%{box-shadow:0 0 0 10px rgba(201,168,76,0)}100%{box-shadow:0 0 0 0 rgba(201,168,76,0)}}
.comp-num.pulse{animation:asmGlowRing 1.5s ease-out}

/* ── Floating particles during scroll ── */
@keyframes floatUp{0%{opacity:0;transform:translateY(0) scale(0)}20%{opacity:.6;transform:translateY(-20px) scale(1)}100%{opacity:0;transform:translateY(-100px) scale(.5)}}
.asm-particle{position:absolute;width:4px;height:4px;border-radius:50%;background:var(--gold);pointer-events:none;animation:floatUp 2s var(--eo) forwards}