/* ── Variables ─────────────────────────────────────── */
:root{
  --orange:#ff8c42;--green:#34c759;--blue:#0a84ff;--amber:#ff9f0a;--red:#ff3b30;
  --bg:#f5f3ef;--white:#ffffff;--dark:#1a1a1a;--mid:#555;--muted:#999;
  --border:#e0ddd8;--nav-h:60px;--wrap:1100px;
  --ease-spring:cubic-bezier(0.34,1.56,0.64,1);
  --ease-smooth:cubic-bezier(0.4,0,0.2,1);
  /* semantic theme vars */
  --page-bg:#ffffff;--page-text:#1a1a1a;
}

/* ── Reset ─────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;scroll-padding-top:76px}
body{font-family:'DM Sans',system-ui,sans-serif;background:var(--page-bg);color:var(--page-text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .3s,color .3s}
h1,h2,h3{font-family:'DM Serif Display',Georgia,serif;line-height:1.15}
a{color:inherit;text-decoration:none}
button{font-family:'DM Sans',sans-serif;cursor:pointer;border:none;outline:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* ── Dark mode variables ───────────────────────────── */
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]){
    --page-bg:#0f0e0c;--page-text:#f0ede8;
    --bg:#1c1a18;--mid:#9a9590;--muted:#6a6560;--border:#2e2c28;
    --pill-bg:#2a2a2c;
  }
}
:root[data-theme="dark"]{
  --page-bg:#0f0e0c;--page-text:#f0ede8;
  --bg:#1c1a18;--mid:#9a9590;--muted:#6a6560;--border:#2e2c28;
  --pill-bg:#2a2a2c;
}

/* ── Dark mode element overrides ───────────────────── */
/* Manual dark overrides */
[data-theme="dark"] #nav{ background:rgba(15,14,12,0.92); border-color:#2e2c28; }
[data-theme="dark"] .nav-logo{ color:#f0ede8; }
[data-theme="dark"] .nav-links a{ color:#6a6560; }
[data-theme="dark"] .nav-links a:hover{ color:#f0ede8; }
[data-theme="dark"] .nav-links a.active{ color:#f0ede8; }
[data-theme="dark"] #hero{ background:#0f0e0c; }
[data-theme="dark"] #hero h1{ color:#f0ede8; }
[data-theme="dark"] .hero-sub{ color:#9a9590; }
[data-theme="dark"] .hero-badge{ background:#1c1a18; border-color:#2e2c28; color:#c8c4be; }
[data-theme="dark"] .plat-badge{ color:#9a9590; }
[data-theme="dark"] .plat-sep{ color:#2e2c28; }
[data-theme="dark"] .scroll-hint{ color:#6a6560; }
[data-theme="dark"] .btn-outline{ color:#f0ede8; border-color:#2e2c28; }
[data-theme="dark"] .btn-outline:hover{ border-color:#f0ede8; }
[data-theme="dark"] #platform-bar{ background:rgba(15,14,12,0.95); border-color:#2e2c28; }
[data-theme="dark"] #platform-bar::after{ background:linear-gradient(to bottom,rgba(15,14,12,.9),transparent); }
[data-theme="dark"] .platform-toggle-inner{ color:#9a9590; }
[data-theme="dark"] .toggle-track{ background:#1c1a18; border-color:#2e2c28; }
[data-theme="dark"] .toggle-pill{ background:#2a2a2c; }
[data-theme="dark"] .plat-btn{ color:#6a6560; }
[data-theme="dark"] .plat-btn.active{ color:#f0ede8; }
[data-theme="dark"] .ch-heading{ color:#f0ede8; }
[data-theme="dark"] .ch-desc{ color:#9a9590; }
[data-theme="dark"] .ch-detail{ background:#1c1a18; border-color:#2e2c28; }
[data-theme="dark"] .ch-detail strong{ color:#f0ede8; }
[data-theme="dark"] .ch-num{ color:var(--orange); }
[data-theme="dark"] #features{ background:#1c1a18; }
[data-theme="dark"] .section-eyebrow{ background:#1c1a18; border-color:#2e2c28; }
[data-theme="dark"] .section-heading{ color:#f0ede8; }
[data-theme="dark"] .section-sub{ color:#9a9590; }
[data-theme="dark"] .feat-card{ background:#1c1a18; border-color:rgba(255,255,255,.06); }
[data-theme="dark"] .feat-card.dark-card{ background:#0a0a0a; }
[data-theme="dark"] .feat-title{ color:#f0ede8; }
[data-theme="dark"] .feat-desc{ color:#9a9590; }
[data-theme="dark"] .rt-label{ color:#f0ede8; }
[data-theme="dark"] .rt-items{ color:#9a9590; }
[data-theme="dark"] .routing-phi{ color:#6a6560; }
[data-theme="dark"] #subscribe{ background:#0f0e0c; }
[data-theme="dark"] #subscribe h2{ color:#f0ede8; }
[data-theme="dark"] .sub-desc{ color:#9a9590; }
[data-theme="dark"] .email-form-card{ background:#1c1a18; border-color:#2e2c28; box-shadow:0 4px 24px rgba(0,0,0,.3); }
[data-theme="dark"] .email-input{ background:#0f0e0c; border-color:#2e2c28; color:#f0ede8; }
[data-theme="dark"] .email-input::placeholder{ color:#6a6560; }
[data-theme="dark"] .email-meta{ color:#6a6560; }
[data-theme="dark"] footer{ background:#0f0e0c; border-color:#2e2c28; }
[data-theme="dark"] .footer-copy{ color:#6a6560; }
[data-theme="dark"] .footer-links a{ color:#6a6560; }
[data-theme="dark"] .footer-links a:hover{ color:#f0ede8; }
[data-theme="dark"] .footer-logo{ color:#f0ede8; }
[data-theme="dark"] .nav-hamburger span{background:#f0ede8!important}
[data-theme="dark"] #mobile-nav-drawer{background:#1c1a18}
[data-theme="dark"] .mobile-nav-header{border-color:#2e2c28}
[data-theme="dark"] .mobile-nav-brand{color:#f0ede8}
[data-theme="dark"] .mobile-nav-close{color:#9a9590}
[data-theme="dark"] .mobile-nav-close:hover{color:#f0ede8}
[data-theme="dark"] .mobile-nav-links li a{color:#9a9590!important}
[data-theme="dark"] .mobile-nav-links li a:hover{color:#f0ede8!important;background:#2e2c28!important}
[data-theme="dark"] .mobile-nav-divider{background:#2e2c28}
[data-theme="dark"] .mobile-nav-signin{color:#f0ede8;border-color:#2e2c28}
[data-theme="dark"] .mobile-nav-signup{background:#f0ede8;color:#1a1a1a}
[data-theme="dark"] .mobile-nav-theme{border-color:#2e2c28}
[data-theme="dark"] .mobile-nav-theme button:hover,[data-theme="dark"] .mobile-nav-theme button.active-theme{background:#2e2c28}

/* System dark preference (mirrors the manual dark rules) */
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #nav{ background:rgba(15,14,12,0.92); border-color:#2e2c28; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .nav-logo{ color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .nav-links a{ color:#6a6560; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .nav-links a.active{ color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) #hero{ background:#0f0e0c; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) #hero h1{ color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .hero-sub{ color:#9a9590; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .hero-badge{ background:#1c1a18; border-color:#2e2c28; color:#c8c4be; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .plat-badge{ color:#9a9590; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .btn-outline{ color:#f0ede8; border-color:#2e2c28; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) #platform-bar{ background:rgba(15,14,12,0.95); border-color:#2e2c28; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .toggle-track{ background:#1c1a18; border-color:#2e2c28; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .plat-btn{ color:#6a6560; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .plat-btn.active{ color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ch-heading{ color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ch-desc{ color:#9a9590; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ch-detail{ background:#1c1a18; border-color:#2e2c28; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) #features{ background:#1c1a18; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .section-heading{ color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .section-sub{ color:#9a9590; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .feat-card{ background:#1c1a18; border-color:rgba(255,255,255,.06); }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .feat-title{ color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .feat-desc{ color:#9a9590; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) #subscribe{ background:#0f0e0c; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) #subscribe h2{ color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .sub-desc{ color:#9a9590; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .email-form-card{ background:#1c1a18; border-color:#2e2c28; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .email-input{ background:#0f0e0c; border-color:#2e2c28; color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) footer{ background:#0f0e0c; border-color:#2e2c28; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .footer-copy{ color:#6a6560; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .footer-links a{ color:#6a6560; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .footer-logo{ color:#f0ede8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .nav-hamburger span{background:#f0ede8!important}
  :root:not([data-theme="light"]):not([data-theme="dark"]) #mobile-nav-drawer{background:#1c1a18}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .mobile-nav-header{border-color:#2e2c28}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .mobile-nav-brand{color:#f0ede8}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .mobile-nav-close{color:#9a9590}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .mobile-nav-links li a{color:#9a9590!important}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .mobile-nav-links li a:hover{color:#f0ede8!important;background:#2e2c28!important}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .mobile-nav-divider{background:#2e2c28}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .mobile-nav-signin{color:#f0ede8;border-color:#2e2c28}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .mobile-nav-signup{background:#f0ede8;color:#1a1a1a}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .mobile-nav-theme{border-color:#2e2c28}
}

/* ── Theme toggle ──────────────────────────────────── */
:root{
  --t-bg:#f0ede8;--t-border:#e0ddd8;--t-mid:#555;--t-text:#1a1a1a;--t-active:#fff;
}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]){
    --t-bg:#1c1a18;--t-border:#2e2c28;--t-mid:#9a9590;--t-text:#f0ede8;--t-active:#1c1a18;
  }
}
:root[data-theme="dark"]{
  --t-bg:#1c1a18;--t-border:#2e2c28;--t-mid:#9a9590;--t-text:#f0ede8;--t-active:#1c1a18;
}
/* ── Theme FAB ──────────────────────────────────────── */
.theme-fab{
  position:fixed;bottom:24px;right:24px;z-index:2000;
  display:flex;flex-direction:column;align-items:center;gap:8px;
}
.theme-fab-btn{
  width:48px;height:48px;border-radius:50%;
  background:var(--t-bg);border:1px solid var(--t-border);
  box-shadow:0 4px 16px rgba(0,0,0,.18);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;cursor:pointer;
  transition:transform .2s,box-shadow .2s;
}
.theme-fab-btn:hover{transform:scale(1.08);box-shadow:0 6px 20px rgba(0,0,0,.22)}
.theme-fab-options{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  opacity:0;transform:translateY(12px) scale(0.8);
  pointer-events:none;
  transition:opacity .25s,transform .25s;
}
.theme-fab.open .theme-fab-options{
  opacity:1;transform:translateY(0) scale(1);pointer-events:auto;
}
.theme-fab-opt{
  width:40px;height:40px;border-radius:50%;
  background:var(--t-bg);border:1px solid var(--t-border);
  box-shadow:0 2px 8px rgba(0,0,0,.12);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;cursor:pointer;
  transition:transform .18s,box-shadow .18s,background .18s;
}
.theme-fab-opt:hover{transform:scale(1.12);box-shadow:0 4px 12px rgba(0,0,0,.18)}
.theme-fab-opt.active{background:var(--t-active);border-color:var(--orange)}

/* ── Reduced motion ────────────────────────────────── */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}
}

/* ── Animations ────────────────────────────────────── */
@keyframes blink{0%,93%,100%{transform:scaleY(1)}96%{transform:scaleY(0.08)}}
@keyframes wave{0%,100%{transform:scaleY(0.3)}50%{transform:scaleY(1)}}
@keyframes pulse{0%,100%{transform:scale(0.9);opacity:.4}50%{transform:scale(1.1);opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
@keyframes floatApp{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-5px)}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes rgbWake{
  0%{border-color:#ff3b30;box-shadow:0 0 0 2px #ff3b3040}
  20%{border-color:#ff9f0a;box-shadow:0 0 0 2px #ff9f0a40}
  40%{border-color:#34c759;box-shadow:0 0 0 2px #34c75940}
  60%{border-color:#0a84ff;box-shadow:0 0 0 2px #0a84ff40}
  80%{border-color:#bf5af2;box-shadow:0 0 0 2px #bf5af240}
  100%{border-color:#fff;box-shadow:0 0 0 2px #ffffff30}
}
@keyframes dotPulse{0%,100%{transform:scale(1);opacity:.7}50%{transform:scale(1.3);opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes revealUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

/* ── Scroll reveal ─────────────────────────────────── */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.6s var(--ease-smooth),transform 0.6s var(--ease-smooth)}
.reveal.visible{opacity:1;transform:none}

/* ── Nav ───────────────────────────────────────────── */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);
  background:rgba(255,255,255,0.92);backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid var(--border);transition:box-shadow 0.3s;
}
#nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,0.08)}
.nav-inner{height:100%;display:flex;align-items:center;gap:24px}
.nav-logo{display:flex;align-items:center;gap:9px;font-weight:600;font-size:17px;color:var(--dark)}
.buddy-face{
  width:30px;height:30px;background:var(--orange);border-radius:50%;
  display:flex;align-items:center;justify-content:center;gap:5px;flex-shrink:0;
}
.buddy-eye{width:5px;height:5px;background:#fff;border-radius:50%;animation:blink 4s ease-in-out infinite}
.buddy-eye:nth-child(2){animation-delay:.08s}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin-left:auto}
.nav-links a{font-size:14px;font-weight:500;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--dark)}
.nav-links a.active{color:var(--dark);font-weight:600}
.nav-cta-btn{
  background:var(--dark);color:#fff;padding:9px 20px;border-radius:20px;
  font-size:14px;font-weight:600;transition:opacity .2s,transform .2s;white-space:nowrap;
}
.nav-cta-btn:hover{opacity:.85;transform:translateY(-1px)}

/* ── Hero ──────────────────────────────────────────── */
#hero{
  min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:calc(var(--nav-h) + 60px) 28px 80px;position:relative;overflow:hidden;
}
.hero-bg-accent{position:absolute;pointer-events:none;border-radius:50%;filter:blur(120px)}
.hero-bg-top{width:600px;height:600px;background:rgba(255,140,66,0.12);top:-100px;right:-100px}
.hero-bg-bot{width:500px;height:500px;background:rgba(10,132,255,0.08);bottom:-100px;left:-100px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:#fff7f2;
  border:1px solid #ffd4b3;border-radius:100px;padding:7px 16px;
  font-size:13px;font-weight:500;color:#c85a00;margin-bottom:32px;
  animation:fadeUp .6s ease both;
}
.hero-badge-dot{
  width:7px;height:7px;background:var(--orange);border-radius:50%;
  animation:dotPulse 1.8s ease-in-out infinite;
}
#hero h1{
  font-size:clamp(2.8rem,6vw,5rem);color:var(--dark);max-width:860px;
  margin-bottom:20px;animation:fadeUp .65s .1s ease both;
}
#hero h1 em{font-style:italic;color:var(--orange)}
.hero-sub{
  font-size:clamp(1rem,2.2vw,1.2rem);color:var(--mid);max-width:540px;
  margin-bottom:40px;animation:fadeUp .65s .2s ease both;
}
.hero-btns{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center;animation:fadeUp .65s .3s ease both}
.btn-primary{
  background:var(--orange);color:#fff;padding:14px 28px;border-radius:10px;
  font-size:15px;font-weight:600;transition:opacity .2s,transform .2s;display:inline-flex;align-items:center;gap:8px;
}
.btn-primary:hover{opacity:.88;transform:translateY(-2px)}
.btn-outline{
  background:none;color:var(--dark);padding:13px 28px;border-radius:10px;
  font-size:15px;font-weight:600;border:1.5px solid var(--border);transition:border-color .2s,transform .2s;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-outline:hover{border-color:var(--dark);transform:translateY(-2px)}
.platform-badges{
  display:flex;align-items:center;gap:20px;margin-top:40px;flex-wrap:wrap;justify-content:center;
  animation:fadeUp .65s .4s ease both;
}
.plat-badge{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--mid);font-weight:500}
.plat-sep{color:var(--border);font-size:18px}
.scroll-hint{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:6px;
  font-family:'DM Mono',monospace;font-size:10px;letter-spacing:.12em;color:var(--muted);
}
.scroll-chevron{font-size:14px;animation:bounce 1.5s ease-in-out infinite}

/* ── Platform toggle ───────────────────────────────── */
#platform-bar{
  position:sticky;top:var(--nav-h);z-index:90;background:rgba(255,255,255,0.95);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);height:52px;display:flex;align-items:center;justify-content:center;
}
#platform-bar::after{
  content:'';position:absolute;bottom:-24px;left:0;right:0;height:24px;
  background:linear-gradient(to bottom,rgba(255,255,255,.9),transparent);pointer-events:none;
}
.platform-toggle-inner{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--mid);font-weight:500}
.toggle-track{
  display:flex;align-items:center;background:#f0ede8;border-radius:10px;padding:3px;gap:1px;
  border:1px solid var(--border);position:relative;
}
.toggle-pill{
  position:absolute;background:var(--pill-bg,#fff);border-radius:8px;
  box-shadow:0 1px 4px rgba(0,0,0,.12);transition:all 0.3s var(--ease-spring);
  pointer-events:none;
}
.plat-btn{
  padding:6px 14px;border-radius:8px;font-size:13px;font-weight:600;background:none;
  color:var(--muted);transition:color .2s;display:flex;align-items:center;gap:6px;position:relative;z-index:1;
}
.plat-btn.active{color:var(--dark)}

/* ── Scroll scene ──────────────────────────────────── */
#scroll-scene{height:600vh;position:relative}
.scroll-sticky{
  position:sticky;top:calc(var(--nav-h) + 52px);height:calc(100vh - var(--nav-h) - 52px);
  display:flex;align-items:stretch;overflow:hidden;
}
.mockup-side{
  flex:0 0 52%;min-width:0;display:flex;align-items:center;justify-content:center;
  padding:20px 16px 20px 28px;
}
.chapters-side{
  flex:1;display:flex;align-items:center;padding:0 48px 0 32px;position:relative;
}

/* ── Desktop chrome ────────────────────────────────── */
.desktop-chrome{
  width:100%;max-width:720px;border-radius:14px;overflow:hidden;
  box-shadow:0 32px 100px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.08);
  background:#2a2a2c;
}
.chrome-titlebar{
  height:32px;background:#3a3a3c;display:flex;align-items:center;justify-content:center;
  padding:0 12px;position:relative;
}
.traffic-lights{display:flex;gap:6px;position:absolute;left:12px}
.tl{width:12px;height:12px;border-radius:50%}
.tl.r{background:#ff5f57}.tl.y{background:#febc2e}.tl.g{background:#28c840}
.chrome-label{font-size:11px;color:rgba(255,255,255,.5);font-weight:500;font-family:'DM Mono',monospace}
.mac-menubar{
  height:24px;background:#1c1c1e;display:flex;align-items:center;justify-content:space-between;
  padding:0 10px;font-size:11px;color:rgba(255,255,255,.75);
}
.menubar-left{display:flex;align-items:center;gap:14px;font-family:'DM Mono',monospace;font-size:10.5px}
.menubar-right{display:flex;align-items:center;gap:8px}
.menubar-icon{font-size:11px;opacity:.7}
.desktop-wallpaper{
  height:380px;
  background:linear-gradient(160deg,#2a0a6b 0%,#1a0a8a 15%,#0d1fb5 30%,#0a2fd4 45%,#0e3de8 55%,#0a4aee 65%,#0d55e8 80%,#1060d0 100%);
  position:relative;overflow:hidden;
}
.desktop-wallpaper::before{
  content:'';position:absolute;top:-20%;left:-10%;width:140%;height:60%;
  background:linear-gradient(135deg,transparent 0%,rgba(120,140,255,.15) 30%,rgba(180,200,255,.35) 50%,rgba(120,140,255,.15) 70%,transparent 100%);
  transform:rotate(-15deg) translateY(20%);border-radius:50%;pointer-events:none;
}
.desktop-wallpaper::after{
  content:'';position:absolute;top:30%;left:20%;width:120%;height:40%;
  background:linear-gradient(130deg,transparent 0%,rgba(80,60,200,.12) 40%,rgba(150,170,255,.2) 60%,transparent 100%);
  transform:rotate(-10deg);border-radius:50%;pointer-events:none;
}
.desktop-wallpaper.win-desktop-bg{
  background:#010d1f;
}
.desktop-wallpaper.win-desktop-bg::before,
.desktop-wallpaper.win-desktop-bg::after{ display:none; }

/* ── Floating app ──────────────────────────────────── */
.floating-app{
  position:absolute;left:50%;top:20px;width:440px;
  background:#1c1c1e;border-radius:12px;overflow:hidden;
  box-shadow:0 16px 56px rgba(0,0,0,.55),0 0 0 .5px rgba(255,255,255,.12);
  animation:floatApp 4s ease-in-out infinite;
}
.app-titlebar{
  height:32px;background:#2a2a2c;display:flex;align-items:center;padding:0 12px;gap:7px;
}
.app-tl{width:10px;height:10px;border-radius:50%}
.app-body{display:flex;height:256px}
.app-sidebar{
  width:130px;background:#161618;padding:12px 10px;display:flex;flex-direction:column;gap:5px;
  border-right:.5px solid rgba(255,255,255,.08);
}
.sidebar-logo{display:flex;align-items:center;gap:7px;padding:5px 7px;margin-bottom:10px}
.sidebar-logo-face{width:20px;height:20px;background:var(--orange);border-radius:50%;display:flex;align-items:center;justify-content:center;gap:3px}
.sidebar-logo-eye{width:3.5px;height:3.5px;background:#fff;border-radius:50%}
.sidebar-logo-text{font-size:12px;font-weight:700;color:#fff}
.sidebar-item{
  display:flex;align-items:center;gap:7px;padding:6px 7px;border-radius:7px;
  font-size:11px;color:rgba(255,255,255,.5);font-weight:500;
}
.sidebar-item.active{background:rgba(255,255,255,.08);color:#fff}
.sidebar-icon{width:16px;height:16px;border-radius:4px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:9px}
.app-main{flex:1;padding:10px;overflow:hidden}
.stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-bottom:8px}
.stat-card{background:#2a2a2c;border-radius:6px;padding:6px 7px}
.stat-val{font-size:17px;font-weight:700;color:#fff;font-family:'DM Mono',monospace}
.stat-lbl{font-size:10px;color:rgba(255,255,255,.4);margin-top:2px}
.stat-val.green{color:#34c759}.stat-val.blue{color:#0a84ff}
.activity-rows{display:flex;flex-direction:column;gap:4px}
.act-row{
  display:flex;align-items:center;gap:6px;padding:4px 6px;background:#2a2a2c;border-radius:5px;
}
.act-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.act-text{font-size:11px;color:rgba(255,255,255,.6);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.act-tag{font-size:9px;font-weight:600;padding:2px 6px;border-radius:3px;white-space:nowrap;font-family:'DM Mono',monospace}
.act-tag.local{background:#34c75920;color:#34c759}
.act-tag.cloud{background:#0a84ff20;color:#0a84ff}

/* ── Mac Buddy Pill ────────────────────────────────── */
#mac-pill{
  position:relative;overflow:hidden;
  background:rgba(30,30,32,.95);border-radius:12px;
  transition:width 0.6s var(--ease-spring),height 0.6s var(--ease-spring),
             border-radius 0.6s var(--ease-spring),padding 0.4s ease;
  display:flex;align-items:center;justify-content:center;
  backdrop-filter:blur(12px);
  cursor:default;
}
#mac-pill[data-state="idle"]{width:28px;height:15px;border-radius:10px;padding:0}
#mac-pill[data-state="listening"],
#mac-pill[data-state="routing"],
#mac-pill[data-state="local"],
#mac-pill[data-state="speaking"],
#mac-pill[data-state="cloud"]{width:200px;height:44px;border-radius:14px;padding:0 10px}

.pill-idle{display:flex;gap:4px;align-items:center;justify-content:center}
.pill-idle-dot{width:5px;height:5px;border-radius:50%;background:var(--green);animation:dotPulse 1.4s ease-in-out infinite}
.pill-idle-dot:nth-child(2){animation-delay:.3s}

.pill-expanded{
  display:flex;align-items:center;gap:8px;width:100%;
  opacity:0;transition:opacity 0.3s ease;pointer-events:none;
}
#mac-pill[data-state]:not([data-state="idle"]) .pill-expanded{opacity:1}
#mac-pill[data-state="idle"] .pill-idle{opacity:1}
#mac-pill[data-state]:not([data-state="idle"]) .pill-idle{opacity:0;position:absolute}

.pill-icon-circle{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:12px;
}
.pill-icon-circle.green{background:rgba(52,199,89,.2)}
.pill-icon-circle.amber{background:rgba(255,159,10,.2)}
.pill-icon-circle.blue{background:rgba(10,132,255,.2)}
.pill-text-block{flex:1;min-width:0}
.pill-title{font-size:10px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill-sub{font-size:9px;color:rgba(255,255,255,.45);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.waveform{display:flex;align-items:center;gap:2px;flex-shrink:0}
.wf-bar{
  width:2px;background:var(--green);border-radius:1px;
  animation:wave 0.8s ease-in-out infinite;transform-origin:bottom;
}
.wf-bar:nth-child(1){height:10px;animation-delay:0s}
.wf-bar:nth-child(2){height:14px;animation-delay:.1s}
.wf-bar:nth-child(3){height:8px;animation-delay:.2s}
.wf-bar:nth-child(4){height:12px;animation-delay:.3s}
.wf-bar:nth-child(5){height:6px;animation-delay:.4s}
.wf-bar.amber{background:var(--amber)}
.wf-bar.blue{background:var(--blue)}

/* ── Windows elements ──────────────────────────────── */
.win-taskbar{
  height:36px;background:rgba(20,20,22,.95);backdrop-filter:blur(20px);
  border-top:.5px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:0 12px;display:none;
}
.win-task-icon{
  width:28px;height:28px;border-radius:6px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:background .2s;
}
.win-task-icon.buddy-active{background:rgba(255,140,66,.25);border:1px solid rgba(255,140,66,.4)}
.win-start{width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:13px;margin-right:8px}

#win-pill{
  position:absolute;bottom:40px;left:50%;transform:translateX(-50%);
  background:rgba(22,22,24,.96);border:.5px solid rgba(255,255,255,.15);
  transition:width 0.6s var(--ease-spring),height 0.6s var(--ease-spring),
             bottom 0.5s var(--ease-spring),border-color 0.3s;
  display:flex;align-items:center;padding:0 12px;gap:8px;display:none;
}
#win-pill[data-state="idle"]{width:128px;height:30px;border-radius:10px}
#win-pill[data-state]:not([data-state="idle"]){width:250px;height:52px;border-radius:14px}
#win-pill.rgb-wake{animation:rgbWake 1.2s ease forwards}
.win-pill-rgb{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.4);flex-shrink:0}
.win-pill-idle-text{font-size:11px;color:rgba(255,255,255,.4);font-style:italic}
.win-pill-expanded{display:flex;align-items:center;gap:8px;width:100%;opacity:0;transition:opacity .3s}
#win-pill[data-state]:not([data-state="idle"]) .win-pill-expanded{opacity:1}
#win-pill[data-state="idle"] .win-pill-idle-content{display:flex;align-items:center;gap:8px}
#win-pill[data-state]:not([data-state="idle"]) .win-pill-idle-content{display:none}

/* ── Chapters ──────────────────────────────────────── */
.chapter{
  position:absolute;width:100%;max-width:440px;
  opacity:0;filter:blur(4px);transform:translateY(20px);
  transition:opacity 0.55s var(--ease-smooth),filter 0.55s var(--ease-smooth),transform 0.55s var(--ease-smooth);
  pointer-events:none;
}
.chapter.ch-active{opacity:1;filter:blur(0);transform:translateY(0);pointer-events:auto}
.chapter.ch-exit{opacity:0;filter:blur(4px);transform:translateY(-20px)}

.ch-num{font-family:'DM Mono',monospace;font-size:10px;color:var(--orange);font-weight:500;margin-bottom:10px;letter-spacing:.08em}
.ch-badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:100px;
  padding:4px 10px;font-size:10px;font-weight:600;margin-bottom:14px;border:.5px solid;
}
.ch-badge.green{background:#34c75912;border-color:#34c75940;color:#1d9640}
.ch-badge.amber{background:#ff9f0a12;border-color:#ff9f0a40;color:#c07200}
.ch-badge.blue{background:#0a84ff12;border-color:#0a84ff40;color:#0060c0}

.ch-heading{font-size:clamp(20px,2.2vw,28px);color:var(--dark);margin-bottom:12px}
.ch-heading em{font-style:italic;color:var(--orange)}
.ch-desc{font-size:13px;color:var(--mid);max-width:380px;line-height:1.65;margin-bottom:16px}
.ch-detail{
  background:#faf8f5;border:.5px solid var(--border);border-radius:10px;
  padding:12px 14px;font-size:12px;color:var(--mid);line-height:1.6;max-width:380px;
}
.ch-detail strong{color:var(--dark)}

/* ── Progress dots ─────────────────────────────────── */
#progress-dots{
  position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:500;
  display:flex;flex-direction:column;gap:8px;opacity:0;transition:opacity .4s;pointer-events:none;
}
#progress-dots.visible{opacity:1;pointer-events:auto}
.pdot{
  width:8px;height:8px;border-radius:50%;background:var(--border);
  cursor:pointer;transition:all .3s;border:1.5px solid transparent;
}
.pdot.active{background:var(--orange);transform:scale(1.3);border-color:rgba(255,140,66,.3)}

/* ── Features ──────────────────────────────────────── */
#features{background:var(--bg);padding:100px 0}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:6px;background:#fff7f2;
  border:1px solid #ffd4b3;border-radius:100px;padding:5px 14px;
  font-size:12px;font-weight:600;color:var(--orange);margin-bottom:20px;
}
.section-heading{font-size:clamp(2rem,4vw,3rem);color:var(--dark);margin-bottom:14px}
.section-sub{font-size:1.05rem;color:var(--mid);max-width:560px;margin-bottom:60px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat-card{
  background:var(--white);border:.5px solid var(--border);border-radius:18px;
  padding:28px;position:relative;overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.feat-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  border-radius:18px 18px 0 0;background:transparent;transition:background .25s;
}
.feat-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.1)}
.feat-card:hover::before{background:var(--card-accent,var(--orange))}
.feat-card.col-2{grid-column:span 2}
.feat-card.dark-card{background:var(--dark);border-color:transparent}
.feat-card.dark-card .feat-title{color:#fff}
.feat-card.dark-card .feat-desc{color:rgba(255,255,255,.55)}
.feat-icon-wrap{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;
  justify-content:center;font-size:20px;margin-bottom:16px;
}
.feat-title{font-family:'DM Sans',sans-serif;font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px}
.feat-desc{font-size:13.5px;color:var(--mid);line-height:1.6}

/* Large card inner layout */
.large-card-inner{display:grid;grid-template-columns:1fr 1fr;gap:24px;height:100%}
.large-card-text{}
.routing-visual{display:flex;flex-direction:column;gap:8px;margin-top:auto}
.routing-tier-row{
  border-radius:10px;padding:10px 14px;display:flex;align-items:center;gap:10px;
}
.routing-tier-row.local{background:#34c75912;border:.5px solid #34c75940}
.routing-tier-row.cloud{background:#0a84ff12;border:.5px solid #0a84ff40}
.rt-icon{font-size:18px;flex-shrink:0}
.rt-text{flex:1}
.rt-label{font-size:11px;font-weight:700;color:var(--dark)}
.rt-items{font-size:10.5px;color:var(--mid);margin-top:1px}
.rt-arrow{font-size:11px;font-weight:600;color:var(--mid);white-space:nowrap}
.routing-tier-row.local .rt-arrow{color:var(--green)}
.routing-tier-row.cloud .rt-arrow{color:var(--blue)}
.routing-phi{text-align:center;font-size:10px;font-family:'DM Mono',monospace;color:var(--muted);padding:4px 0}

/* ── Subscribe ─────────────────────────────────────── */
#subscribe{background:var(--white);padding:100px 0;text-align:center}
.subscribe-inner{max-width:520px;margin:0 auto}
.subscribe-face{
  width:60px;height:60px;background:var(--orange);border-radius:50%;
  display:flex;align-items:center;justify-content:center;gap:9px;
  margin:0 auto 24px;
  animation:floatY 3s ease-in-out infinite;
}
.subscribe-eye{width:8px;height:8px;background:#fff;border-radius:50%;animation:blink 4s ease-in-out infinite}
.subscribe-eye:nth-child(2){animation-delay:.08s}
#subscribe h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:12px}
.sub-desc{font-size:1rem;color:var(--mid);margin-bottom:36px;line-height:1.7}
.email-form-card{
  background:var(--white);border:1px solid var(--border);border-radius:16px;
  padding:24px;box-shadow:0 4px 24px rgba(0,0,0,.07);
}
.email-row{display:flex;gap:8px}
.email-input{
  flex:1;padding:12px 16px;border:1.5px solid var(--border);border-radius:10px;
  font-size:14px;font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--dark);
  transition:border-color .2s;outline:none;
}
.email-input:focus{border-color:var(--orange)}
.email-input::placeholder{color:var(--muted)}
.email-submit{
  background:var(--orange);color:#fff;padding:12px 22px;border-radius:10px;
  font-size:14px;font-weight:600;white-space:nowrap;transition:opacity .2s,transform .2s;
}
.email-submit:hover{opacity:.88;transform:translateY(-1px)}
.email-meta{font-size:12px;color:var(--muted);margin-top:12px}
.sub-qr-row{
  display:flex;align-items:center;gap:14px;margin-top:20px;
  padding-top:18px;border-top:1px solid var(--border);
  justify-content:center;
}
.sub-qr-img{
  width:72px;height:72px;border-radius:8px;flex-shrink:0;
  border:1px solid var(--border);
}
.sub-qr-text{text-align:left}
.sub-qr-label{font-size:13px;font-weight:500;color:var(--dark);margin-bottom:3px}
.sub-qr-link{
  font-size:11px;color:var(--orange);text-decoration:none;font-weight:500;
}
.sub-qr-link:hover{text-decoration:underline}
[data-theme="dark"] .sub-qr-img{border-color:#2e2c28}
[data-theme="dark"] .sub-qr-label{color:#f0ede8}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) .sub-qr-img{border-color:#2e2c28}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .sub-qr-label{color:#f0ede8}
}
.success-msg{display:none;text-align:center;padding:20px}
.success-msg.show{display:block;animation:fadeUp .5s ease both}
.success-icon{font-size:36px;margin-bottom:10px}
.success-text{font-size:16px;font-weight:600;color:var(--green);margin-bottom:6px}
.success-sub{font-size:13px;color:var(--mid)}

/* ── Footer ────────────────────────────────────────── */
footer{background:var(--white);border-top:1px solid var(--border);padding:28px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-logo{display:flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--dark)}
.footer-logo .buddy-face{width:24px;height:24px}
.footer-logo .buddy-face .buddy-eye{width:3.5px;height:3.5px}
.footer-copy{font-size:13px;color:var(--muted)}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:13px;color:var(--muted);transition:color .2s}
.footer-links a:hover{color:var(--dark)}

/* ── Responsive ────────────────────────────────────── */
@media(min-width:1280px){:root{--wrap:1200px}}
@media(min-width:1600px){:root{--wrap:1380px}.mockup-side{flex-basis:54%}}

/* ── Simulation zoom scaling ── */
@media(min-width:1440px) and (max-width:1699px){.desktop-chrome{zoom:1.1}}
@media(min-width:1700px) and (max-width:1999px){.desktop-chrome{zoom:1.25}}
@media(min-width:2000px){.desktop-chrome{zoom:1.4}}
@media(max-width:1100px) and (min-width:961px){.desktop-chrome{zoom:0.78}}

@media(max-width:960px){
  .scroll-sticky{flex-direction:column;height:auto}
  .mockup-side{width:100%;flex:none;padding:20px 28px 0}
  .desktop-chrome{max-width:680px;zoom:1}
  .chapters-side{padding:24px 28px;min-height:280px}
  .chapter{position:relative;transform:none!important;filter:none!important;opacity:0;height:0;overflow:hidden}
  .chapter.ch-active{opacity:1;height:auto}
  .features-grid{grid-template-columns:1fr 1fr}
  .feat-card.col-2{grid-column:span 2}
}

/* ── Hamburger button ── */
.nav-hamburger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  background:none;border:none;cursor:pointer;padding:8px;
  width:38px;height:38px;border-radius:8px;flex-shrink:0;
}
.nav-hamburger span{
  display:block;height:2px;background:var(--dark);border-radius:2px;
  transition:transform .3s,opacity .3s,width .3s;
}
.nav-hamburger span:nth-child(2){width:70%;margin-left:auto}
.nav-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-hamburger.open span:nth-child(2){opacity:0;width:0}
.nav-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── Mobile nav drawer ── */
#mobile-nav-backdrop{
  display:none;position:fixed;inset:0;z-index:400;
  background:rgba(5,4,3,0.5);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
}
#mobile-nav-backdrop.open{display:block}
#mobile-nav-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:401;
  width:min(300px,88vw);background:var(--bg);
  transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;box-shadow:-4px 0 40px rgba(0,0,0,0.15);
}
#mobile-nav-drawer.open{transform:translateX(0)}
.mobile-nav-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--border);
}
.mobile-nav-brand{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:700;color:var(--dark)}
.mobile-nav-close{
  background:none;border:none;cursor:pointer;font-size:20px;
  color:var(--muted);padding:4px;line-height:1;border-radius:6px;
  transition:color .2s;
}
.mobile-nav-close:hover{color:var(--dark)}
.mobile-nav-links{list-style:none;padding:10px 0;margin:0}
.mobile-nav-links li a{
  display:block;padding:13px 20px;font-size:15px;
  color:var(--muted);text-decoration:none;transition:color .2s,background .2s;
}
.mobile-nav-links li a:hover{color:var(--dark);background:var(--surface)}
.mobile-nav-links li a.active{color:var(--accent);font-weight:600}
.mobile-nav-divider{height:1px;background:var(--border);margin:6px 20px}
.mobile-nav-actions{padding:12px 20px;display:flex;flex-direction:column;gap:8px}
.mobile-nav-signin{
  display:block;text-align:center;padding:11px;
  border:1.5px solid var(--border);border-radius:10px;
  font-size:14px;font-weight:500;color:var(--dark);text-decoration:none;
  transition:border-color .2s;
}
.mobile-nav-signin:hover{border-color:var(--accent)}
.mobile-nav-signup{
  display:block;text-align:center;padding:11px;
  background:var(--dark);color:var(--bg);border-radius:10px;
  font-size:14px;font-weight:600;text-decoration:none;transition:background .2s,color .2s;
}
.mobile-nav-signup:hover{background:var(--accent);color:#fff}
.mobile-nav-theme{
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:14px 20px;border-top:1px solid var(--border);margin-top:4px;
}
.mobile-nav-theme button{
  background:none;border:none;font-size:18px;cursor:pointer;
  padding:6px 10px;border-radius:7px;transition:background .2s;
}
.mobile-nav-theme button:hover,.mobile-nav-theme button.active-theme{background:var(--surface)}

@media(max-width:768px){
  .nav-hamburger{display:flex}
  .nav-links{display:none!important}
  .nav-right{display:none!important}
}

@media(max-width:700px){
  .features-grid{grid-template-columns:1fr}
  .feat-card.col-2{grid-column:span 1}
  .large-card-inner{grid-template-columns:1fr}
  .email-row{flex-direction:column}
  #progress-dots{display:none}
  .wrap{padding:0 20px}
  .hero-btns{flex-wrap:wrap;justify-content:center}
  .platform-toggle{flex-wrap:wrap;gap:6px}
  .survey-inner{flex-direction:column;gap:32px}
  .survey-qr-card{width:100%;max-width:280px;margin:0 auto}
  .sub-qr-row{flex-direction:column;align-items:center;text-align:center}
  section{padding:64px 0}
  #hero{padding-top:100px}

  /* ── Scroll scene: sticky animation on mobile ── */
  /* Restore 600vh so JS scroll-chapter logic works */
  #scroll-scene{height:600vh}

  /* Sticky panel — stacks vertically: mockup on top, chapter below */
  .scroll-sticky{
    position:sticky!important;
    top:calc(var(--nav-h) + 52px)!important;
    height:calc(100vh - var(--nav-h) - 52px)!important;
    flex-direction:column;
    overflow:hidden;
    align-items:stretch;
  }

  /* Mockup — compact strip at top */
  .mockup-side{
    display:flex!important;
    flex:0 0 auto;
    width:100%;
    padding:8px 16px 4px;
    justify-content:center;
    align-items:flex-start;
    overflow:hidden;
    max-height:215px; /* clamp to scaled chrome height (436px × 0.47 ≈ 205px + padding) */
  }
  /* Scale simulation to fit narrow screen — zoom shrinks visually but some
     mobile browsers keep the full layout height, so we cap via max-height above */
  .desktop-chrome{zoom:0.47;max-width:none;margin:0 auto;flex-shrink:0}

  /* Chapters area — fills remaining space below mockup */
  .chapters-side{
    flex:1;
    min-height:0;
    padding:16px 20px 12px;
    position:relative;
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:flex-start;
  }

  /* Restore absolute-positioned chapter animation
     (overrides the 960px breakpoint which sets position:relative
      and height:0 / filter:none!important / transform:none!important) */
  .chapter{
    position:absolute!important;
    transform:translateY(20px)!important;
    filter:blur(4px)!important;
    opacity:0!important;
    height:auto!important;
    overflow:visible!important;
    pointer-events:none!important;
    width:calc(100% - 40px);
    max-width:none;
    left:20px;
    margin:0;
    padding-bottom:0;
    border-bottom:none;
  }
  .chapter.ch-active{
    transform:translateY(0)!important;
    filter:blur(0)!important;
    opacity:1!important;
    pointer-events:auto!important;
  }
  .chapter.ch-exit{
    transform:translateY(-20px)!important;
    filter:blur(4px)!important;
    opacity:0!important;
    pointer-events:none!important;
  }
  .ch-heading{font-size:clamp(16px,5vw,22px)}
}

/* ── Survey section ────────────────────────────── */
#survey{
  padding:100px 0;
  background:#f5f3ef;
  border-top:1px solid transparent;
  background-clip:padding-box;
  position:relative;
}
#survey::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(to right,transparent,var(--border),transparent);
}
.survey-inner{
  display:grid;grid-template-columns:1fr 360px;gap:64px;align-items:center;
  max-width:900px;margin:0 auto;padding:0 28px;
}
.survey-badge{
  display:inline-flex;align-items:center;gap:6px;background:#fff7f2;
  border:1px solid #ffd4b3;border-radius:100px;padding:5px 14px;
  font-size:12px;font-weight:600;color:var(--orange);margin-bottom:20px;
}
.survey-heading{
  font-family:'DM Serif Display',Georgia,serif;
  font-size:clamp(2rem,3.5vw,2.7rem);color:var(--dark);
  margin-bottom:16px;line-height:1.18;
}
.survey-sub{
  font-size:1rem;color:var(--mid);line-height:1.65;margin-bottom:28px;max-width:460px;
}
.survey-bullets{list-style:none;display:flex;flex-direction:column;gap:11px;margin-bottom:32px}
.survey-bullets li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--mid);font-weight:500;
}
.survey-tick{
  width:18px;height:18px;border-radius:50%;background:var(--orange);
  display:flex;align-items:center;justify-content:center;
  font-size:9px;color:#fff;flex-shrink:0;margin-top:1px;
}
.survey-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--orange);color:#fff;
  padding:13px 26px;border-radius:10px;
  font-size:15px;font-weight:600;text-decoration:none;
  transition:opacity .2s,transform .2s;
}
.survey-cta:hover{opacity:.88;transform:translateY(-2px)}
.survey-thanks{
  margin-top:14px;font-size:13px;color:var(--muted);
}
/* QR card */
.survey-qr-card{
  background:var(--white);border:1px solid var(--border);
  border-radius:18px;padding:28px;
  display:flex;flex-direction:column;align-items:center;gap:0;
  box-shadow:0 8px 32px rgba(0,0,0,.06);
  animation:floatY 4s ease-in-out infinite;
}
.survey-qr-img{
  width:180px;height:180px;border-radius:10px;display:block;
}
.survey-qr-label{
  margin-top:14px;font-size:12px;color:var(--muted);font-weight:500;
}
.survey-qr-divider{
  display:flex;align-items:center;gap:10px;width:100%;margin:12px 0;
}
.survey-qr-divider::before,
.survey-qr-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.survey-qr-divider span{font-size:11px;color:var(--muted)}
.survey-qr-link{
  font-size:13px;color:var(--orange);font-weight:500;
  text-decoration:none;word-break:break-all;text-align:center;
}
.survey-qr-link:hover{text-decoration:underline}
[data-theme="dark"] #survey{background:#1c1a18}
[data-theme="dark"] .survey-heading{color:#f0ede8}
[data-theme="dark"] .survey-qr-card{background:#0f0e0c;border-color:#2e2c28;box-shadow:0 8px 32px rgba(0,0,0,.25)}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #survey{background:#1c1a18}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .survey-heading{color:#f0ede8}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .survey-qr-card{background:#0f0e0c;border-color:#2e2c28}
}
@media(max-width:768px){
  #survey{padding:60px 0}
  .survey-inner{grid-template-columns:1fr;gap:40px}
  .survey-qr-card{max-width:280px;margin:0 auto}
}

/* ── Nav auth buttons ──────────────────────────── */
.nav-signin-btn{
  font-size:13px;color:var(--muted);text-decoration:none;
  padding:8px 16px;border-radius:20px;
  transition:color .15s,background .15s;
}
.nav-signin-btn:hover{color:var(--dark);background:var(--bg)}
.nav-signup-btn{
  padding:8px 20px;background:var(--dark);color:#fff;
  border:none;border-radius:20px;font-size:13px;font-weight:500;
  cursor:pointer;font-family:'DM Sans',sans-serif;text-decoration:none;
  transition:all .15s;display:inline-flex;align-items:center;
}
.nav-signup-btn:hover{opacity:.85;transform:translateY(-1px)}

/* ── Auth modal animations ─────────────────────── */
@keyframes overlayFadeIn{from{opacity:0}to{opacity:1}}
@keyframes authSlideIn{
  from{opacity:0;transform:translateY(24px) scale(0.97)}
  to{opacity:1;transform:translateY(0) scale(1)}
}

/* ── Auth card layout ──────────────────────────── */
#auth-content{
  display:flex;min-height:520px;border-radius:24px;overflow:hidden;
  font-family:'DM Sans',system-ui,sans-serif;
}
#auth-content .auth-left{
  width:340px;flex-shrink:0;
  background:linear-gradient(145deg,#141413 0%,#1e1c1a 60%,#28200f 100%);
  padding:44px 36px;display:flex;flex-direction:column;
  justify-content:space-between;position:relative;overflow:hidden;
}
#auth-content .auth-left::before{
  content:'';position:absolute;top:-80px;right:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,140,66,.2) 0%,transparent 70%);
  pointer-events:none;
}
#auth-content .auth-left::after{
  content:'';position:absolute;bottom:-60px;left:-40px;
  width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(10,132,255,.12) 0%,transparent 70%);
  pointer-events:none;
}
#auth-content .auth-buddy-logo{
  display:flex;align-items:center;gap:9px;margin-bottom:36px;
}
#auth-content .auth-buddy-face{
  width:32px;height:32px;background:var(--orange);border-radius:50%;
  display:flex;align-items:center;justify-content:center;gap:5px;flex-shrink:0;
}
#auth-content .auth-buddy-eye{width:5px;height:5px;background:#fff;border-radius:50%}
#auth-content .auth-buddy-name{font-size:17px;font-weight:700;color:#fff}
#auth-content .auth-tagline{
  font-family:'DM Serif Display',Georgia,serif;
  font-size:1.9rem;color:#fff;line-height:1.2;margin-bottom:36px;
}
#auth-content .auth-tagline em{font-style:italic;color:var(--orange)}
#auth-content .auth-features{display:flex;flex-direction:column;gap:13px}
#auth-content .auth-feat{
  display:flex;align-items:center;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);font-weight:400;
}
#auth-content .auth-feat-icon{
  width:28px;height:28px;border-radius:7px;flex-shrink:0;
  background:rgba(255,255,255,.07);border:.5px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;font-size:13px;
}
#auth-content .auth-left-note{
  font-size:11px;color:rgba(255,255,255,.28);
  font-family:'DM Mono',monospace;letter-spacing:.05em;
}
/* ── Auth right panel ──────────────────────────── */
#auth-content .auth-right{
  flex:1;background:#fff;padding:44px 40px;
  display:flex;flex-direction:column;
}
[data-theme="dark"] #auth-content .auth-right{background:#1c1a18}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-right{background:#1c1a18}
}
#auth-content .auth-tabs{
  display:flex;gap:3px;background:#f5f3ef;border-radius:10px;
  padding:3px;margin-bottom:28px;
}
[data-theme="dark"] #auth-content .auth-tabs{background:#0f0e0c}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-tabs{background:#0f0e0c}
}
#auth-content .auth-tab{
  flex:1;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:500;
  color:#999;background:none;border:none;cursor:pointer;
  transition:background .15s,color .15s;font-family:'DM Sans',sans-serif;
}
#auth-content .auth-tab.active{
  background:#fff;color:#1a1a1a;
  box-shadow:0 1px 4px rgba(0,0,0,.12);
}
[data-theme="dark"] #auth-content .auth-tab.active{background:#2a2a2c;color:#f0ede8}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-tab.active{background:#2a2a2c;color:#f0ede8}
}
#auth-content .auth-form{display:flex;flex-direction:column;gap:15px;flex:1}
#auth-content .auth-field{display:flex;flex-direction:column;gap:6px}
#auth-content .auth-field label{
  font-size:11px;font-weight:600;color:#777;letter-spacing:.06em;text-transform:uppercase;
  display:flex;justify-content:space-between;align-items:center;
}
[data-theme="dark"] #auth-content .auth-field label{color:#6a6560}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-field label{color:#6a6560}
}
#auth-content .auth-field input{
  width:100%;padding:10px 13px;border-radius:9px;
  border:1.5px solid #e0ddd8;background:#fff;
  font-size:14px;font-family:'DM Sans',sans-serif;color:#1a1a1a;
  outline:none;transition:border-color .15s,box-shadow .15s;
}
[data-theme="dark"] #auth-content .auth-field input{
  background:#0f0e0c;border-color:#2e2c28;color:#f0ede8;
}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-field input{
    background:#0f0e0c;border-color:#2e2c28;color:#f0ede8;
  }
}
#auth-content .auth-field input:focus{
  border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,140,66,.15);
}
#auth-content .auth-field input::placeholder{color:#bbb}
#auth-content .auth-forgot{
  font-size:11px;font-weight:500;color:var(--orange);
  text-decoration:none;text-transform:none;letter-spacing:0;
}
#auth-content .auth-forgot:hover{text-decoration:underline}
#auth-content .auth-fields-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
#auth-content .auth-checkbox-row{display:flex;align-items:flex-start;gap:9px;padding:2px 0}
#auth-content .auth-checkbox-row input[type="checkbox"]{
  width:15px;height:15px;margin-top:2px;flex-shrink:0;
  accent-color:var(--orange);cursor:pointer;
}
#auth-content .auth-checkbox-row label{
  font-size:13px;color:#666;cursor:pointer;
  font-weight:400;letter-spacing:0;text-transform:none;
}
[data-theme="dark"] #auth-content .auth-checkbox-row label{color:#9a9590}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-checkbox-row label{color:#9a9590}
}
#auth-content .auth-submit{
  width:100%;padding:12px;background:#1a1a1a;color:#fff;
  border:none;border-radius:10px;font-size:14px;font-weight:600;
  cursor:pointer;font-family:'DM Sans',sans-serif;
  transition:opacity .15s,transform .15s;margin-top:2px;
}
#auth-content .auth-submit:hover{opacity:.85;transform:translateY(-1px)}
#auth-content .auth-divider{
  display:flex;align-items:center;gap:10px;
}
#auth-content .auth-divider::before,
#auth-content .auth-divider::after{content:'';flex:1;height:1px;background:#e0ddd8}
[data-theme="dark"] #auth-content .auth-divider::before,
[data-theme="dark"] #auth-content .auth-divider::after{background:#2e2c28}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-divider::before,
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-divider::after{background:#2e2c28}
}
#auth-content .auth-divider span{font-size:11px;color:#bbb;white-space:nowrap}
#auth-content .auth-social{
  width:100%;padding:10px;background:#fff;color:#1a1a1a;
  border:1.5px solid #e0ddd8;border-radius:10px;
  font-size:13px;font-weight:500;cursor:pointer;
  font-family:'DM Sans',sans-serif;
  display:flex;align-items:center;justify-content:center;gap:10px;
  transition:background .15s,border-color .15s;
}
[data-theme="dark"] #auth-content .auth-social{background:#1c1a18;color:#f0ede8;border-color:#2e2c28}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-social{background:#1c1a18;color:#f0ede8;border-color:#2e2c28}
}
#auth-content .auth-social:hover{background:#f5f3ef;border-color:#c8c4be}
[data-theme="dark"] #auth-content .auth-social:hover{background:#0f0e0c}
#auth-content .auth-switch{
  text-align:center;font-size:13px;color:#999;margin-top:auto;padding-top:14px;
}
#auth-content .auth-switch a{color:var(--orange);text-decoration:none;font-weight:500}
#auth-content .auth-switch a:hover{text-decoration:underline}
/* Auth success */
#auth-content .auth-success{
  flex:1;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;padding:40px 20px;gap:12px;
}
#auth-content .auth-success-icon{font-size:52px;line-height:1}
#auth-content .auth-success-title{
  font-family:'DM Serif Display',Georgia,serif;font-size:1.8rem;color:#1a1a1a;
}
[data-theme="dark"] #auth-content .auth-success-title{color:#f0ede8}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #auth-content .auth-success-title{color:#f0ede8}
}
#auth-content .auth-success-sub{font-size:14px;color:#999;max-width:280px;line-height:1.6}
/* Responsive */
@media(max-width:680px){
  #auth-content{flex-direction:column}
  #auth-content .auth-left{
    width:100%;padding:28px 28px 24px;
    flex-direction:row;align-items:center;gap:16px;
  }
  #auth-content .auth-tagline,
  #auth-content .auth-features,
  #auth-content .auth-left-note{display:none}
  #auth-content .auth-buddy-logo{margin-bottom:0}
  #auth-content .auth-right{padding:28px 28px}
}
/* ══════════════════════════════════════════════════════════════ */
/* ── Contact Section ──────────────────────────────────────────  */
/* ══════════════════════════════════════════════════════════════ */
#contact{
  padding:100px 0 80px;background:var(--page-bg);
}
.contact-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;
}
.contact-left{}
.contact-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--bg);border:.5px solid var(--border);
  border-radius:100px;padding:5px 14px;
  font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--orange);margin-bottom:20px;
}
.contact-heading{
  font-size:clamp(28px,3.5vw,42px);color:var(--dark);margin-bottom:16px;
}
.contact-sub{
  font-size:15px;color:var(--mid);line-height:1.7;max-width:420px;margin-bottom:40px;
}
.contact-details{display:flex;flex-direction:column;gap:18px;}
.contact-detail-item{
  display:flex;align-items:flex-start;gap:16px;
}
.contact-detail-icon{
  width:44px;height:44px;border-radius:12px;
  background:var(--bg);border:.5px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;flex-shrink:0;
}
.contact-detail-body{}
.contact-detail-label{
  font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);margin-bottom:3px;
}
.contact-detail-value{
  font-size:15px;color:var(--dark);font-weight:500;
}
.contact-detail-value a{color:var(--orange);transition:opacity .15s;}
.contact-detail-value a:hover{opacity:.75;}

.contact-socials{display:flex;gap:10px;margin-top:32px;}
.contact-social-btn{
  display:flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:100px;
  background:var(--bg);border:.5px solid var(--border);
  font-size:13px;font-weight:500;color:var(--mid);
  transition:background .15s,border-color .15s,color .15s;
}
.contact-social-btn:hover{background:var(--orange);border-color:var(--orange);color:#fff;}

/* Contact form card */
.contact-form-card{
  background:var(--bg);border:.5px solid var(--border);
  border-radius:20px;padding:36px 32px;
}
.contact-form-title{
  font-size:18px;font-weight:600;color:var(--dark);margin-bottom:6px;
}
.contact-form-sub{font-size:13px;color:var(--mid);margin-bottom:28px;}
.contact-form{display:flex;flex-direction:column;gap:16px;}
.contact-field{display:flex;flex-direction:column;gap:6px;}
.contact-field label{
  font-size:12px;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;color:var(--mid);
}
.contact-field input,
.contact-field textarea{
  width:100%;padding:11px 14px;
  border:1.5px solid var(--border);border-radius:10px;
  background:var(--page-bg);color:var(--dark);
  font-size:14px;font-family:'DM Sans',sans-serif;
  outline:none;transition:border-color .15s,box-shadow .15s;
  resize:none;
}
.contact-field input:focus,
.contact-field textarea:focus{
  border-color:var(--orange);
  box-shadow:0 0 0 3px rgba(255,140,66,.12);
}
.contact-field input::placeholder,
.contact-field textarea::placeholder{color:var(--muted);}
.contact-fields-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.contact-submit{
  width:100%;padding:13px;background:var(--dark);color:#fff;
  border:none;border-radius:11px;font-size:14px;font-weight:600;
  cursor:pointer;font-family:'DM Sans',sans-serif;
  transition:opacity .15s,transform .15s;margin-top:4px;
}
.contact-submit:hover{opacity:.85;transform:translateY(-1px);}
.contact-success{
  display:none;text-align:center;padding:32px 0;
}
.contact-success.show{display:block;}
.contact-success-icon{font-size:40px;margin-bottom:12px;}
.contact-success-title{
  font-family:'DM Serif Display',Georgia,serif;
  font-size:1.5rem;color:var(--dark);margin-bottom:8px;
}
.contact-success-sub{font-size:14px;color:var(--mid);}

/* Dark overrides for contact */
[data-theme="dark"] #contact{background:var(--page-bg);}
[data-theme="dark"] .contact-heading{color:#f0ede8;}
[data-theme="dark"] .contact-sub{color:#9a9590;}
[data-theme="dark"] .contact-eyebrow{background:#1c1a18;border-color:#2e2c28;}
[data-theme="dark"] .contact-detail-icon{background:#1c1a18;border-color:#2e2c28;}
[data-theme="dark"] .contact-detail-value{color:#f0ede8;}
[data-theme="dark"] .contact-detail-label{color:#6a6560;}
[data-theme="dark"] .contact-social-btn{background:#1c1a18;border-color:#2e2c28;color:#9a9590;}
[data-theme="dark"] .contact-form-card{background:#1c1a18;border-color:#2e2c28;}
[data-theme="dark"] .contact-form-title{color:#f0ede8;}
[data-theme="dark"] .contact-form-sub{color:#9a9590;}
[data-theme="dark"] .contact-field label{color:#9a9590;}
[data-theme="dark"] .contact-field input,
[data-theme="dark"] .contact-field textarea{background:#0f0e0c;border-color:#2e2c28;color:#f0ede8;}
[data-theme="dark"] .contact-field input::placeholder,
[data-theme="dark"] .contact-field textarea::placeholder{color:#6a6560;}
[data-theme="dark"] .contact-submit{background:#f0ede8;color:#1a1a1a;}
[data-theme="dark"] .contact-success-title{color:#f0ede8;}
[data-theme="dark"] .contact-success-sub{color:#9a9590;}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]) #contact{background:var(--page-bg);}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-heading{color:#f0ede8;}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-sub{color:#9a9590;}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-eyebrow{background:#1c1a18;border-color:#2e2c28;}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-detail-icon{background:#1c1a18;border-color:#2e2c28;}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-detail-value{color:#f0ede8;}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-social-btn{background:#1c1a18;border-color:#2e2c28;color:#9a9590;}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-form-card{background:#1c1a18;border-color:#2e2c28;}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-form-title{color:#f0ede8;}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-field input,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-field textarea{background:#0f0e0c;border-color:#2e2c28;color:#f0ede8;}
  :root:not([data-theme="light"]):not([data-theme="dark"]) .contact-submit{background:#f0ede8;color:#1a1a1a;}
}
/* Responsive contact */
@media(max-width:900px){
  .contact-inner{grid-template-columns:1fr;gap:40px;}
  .contact-sub{max-width:100%;}
}
@media(max-width:600px){
  .contact-fields-row{grid-template-columns:1fr;}
  .contact-form-card{padding:24px 20px;}
}