/* ===========================================================
   DUCKFAM — Global Stylesheet
   Apple-inspired, bubble/chat aesthetic, fully responsive
   =========================================================== */

:root{
  --duck-blue:#3aa0ff;
  --duck-blue-dark:#2483e0;
  --bg:#000000;
  --bg-soft:#0a0a0c;
  --panel:#111114;
  --panel-2:#161619;
  --text:#f5f5f7;
  --text-dim:#a1a1a6;
  --text-dim-2:#86868b;
  --accent-green:#30d158;
  --accent-purple:#bf5af2;
  --bubble-bg:#1c1c1e;
  --bubble-bg-2:#232326;
  --border:rgba(255,255,255,0.08);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --max-w:1200px;
  --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
section{position:relative;}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 24px;}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity:0;
  transform:translateY(40px);
  transition:opacity .9s var(--ease), transform .9s var(--ease);
  will-change:transform,opacity;
}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.reveal-scale{opacity:0;transform:scale(.85);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal-scale.is-visible{opacity:1;transform:scale(1);}
.reveal-left{opacity:0;transform:translateX(-50px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.reveal-left.is-visible{opacity:1;transform:translateX(0);}
.reveal-right{opacity:0;transform:translateX(50px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.reveal-right.is-visible{opacity:1;transform:translateX(0);}

.delay-1{transition-delay:.12s;}
.delay-2{transition-delay:.24s;}
.delay-3{transition-delay:.36s;}
.delay-4{transition-delay:.48s;}

/* ---------- Navbar ---------- */
.navbar{
  position:fixed;top:0;left:0;right:0;
  z-index:1000;
  backdrop-filter:saturate(180%) blur(20px);
  background:rgba(0,0,0,0.55);
  border-bottom:1px solid var(--border);
  transition:background .4s var(--ease);
}
.nav-inner{
  max-width:var(--max-w);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
  height:52px;
}
.nav-logo{display:flex;align-items:center;gap:8px;font-weight:600;font-size:1rem;}
.nav-logo img{width:22px;height:22px;object-fit:contain;}
.nav-links{display:flex;gap:34px;list-style:none;margin:0;padding:0;}
.nav-links a{
  font-size:.8rem;color:var(--text-dim);
  transition:color .25s var(--ease);
}
.nav-links a:hover, .nav-links a.active{color:var(--text);}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.4rem;cursor:pointer;}

@media (max-width:768px){
  .nav-links{
    position:fixed;top:52px;left:0;right:0;
    flex-direction:column;gap:0;
    background:rgba(10,10,12,0.98);
    backdrop-filter:blur(20px);
    max-height:0;overflow:hidden;
    transition:max-height .4s var(--ease);
    border-bottom:1px solid var(--border);
  }
  .nav-links.open{max-height:320px;}
  .nav-links li{width:100%;border-top:1px solid var(--border);}
  .nav-links a{display:block;padding:16px 24px;font-size:1rem;}
  .nav-toggle{display:block;}
}

/* ---------- Hero (homepage) ---------- */
.hero{
  min-height:100vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
  padding:52px 24px 60px;
  background:radial-gradient(ellipse 80% 60% at 50% 0%, rgba(58,160,255,0.14), transparent 60%), var(--bg);
  position:relative;
  overflow:hidden;
  box-sizing:border-box;
}
.hero-logo{
  width:96px;height:96px;object-fit:contain;margin-bottom:28px;
  filter:drop-shadow(0 10px 40px rgba(58,160,255,0.4));
  animation:float 5s ease-in-out infinite;
}
@keyframes float{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-14px);}
}
.hero h1{
  font-size:clamp(2.4rem,7vw,5rem);
  font-weight:700;
  letter-spacing:-.03em;
  margin:0 0 18px;
  padding-bottom:.12em;
  background:linear-gradient(135deg,#fff 30%,var(--duck-blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.25;
}
.hero p.subtitle{
  font-size:clamp(1.05rem,2.4vw,1.5rem);
  color:var(--text-dim);
  max-width:640px;margin:0 auto 40px;
  font-weight:400;
}
.hero-cta{
  display:flex;gap:16px;flex-wrap:wrap;justify-content:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  border-radius:980px;
  font-size:.95rem;font-weight:600;
  cursor:pointer;border:none;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.btn-primary{
  background:var(--duck-blue);color:#ffffff;
  box-shadow:0 8px 24px rgba(58,160,255,0.3);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(58,160,255,0.45);background:var(--duck-blue-dark);}
.btn-secondary{
  background:rgba(255,255,255,0.08);color:var(--text);
  border:1px solid var(--border);
}
.btn-secondary:hover{background:rgba(255,255,255,0.14);transform:translateY(-3px);}

.scroll-indicator{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  width:26px;height:42px;border:2px solid rgba(255,255,255,0.25);
  border-radius:16px;
  display:flex;justify-content:center;padding-top:8px;
}
.scroll-indicator::after{
  content:'';width:4px;height:8px;border-radius:2px;
  background:var(--duck-blue);
  animation:scrolldot 1.8s infinite;
}
@keyframes scrolldot{
  0%{opacity:1;transform:translateY(0);}
  70%{opacity:0;transform:translateY(14px);}
  100%{opacity:0;transform:translateY(0);}
}

/* ---------- Section headings ---------- */
.section{
  padding:120px 24px;
}
.section-alt{background:var(--bg-soft);}
.eyebrow{
  text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;
  color:var(--duck-blue);font-weight:700;text-align:center;margin-bottom:14px;
}
.section-title{
  font-size:clamp(2rem,5vw,3.4rem);
  font-weight:700;letter-spacing:-.02em;
  text-align:center;margin:0 0 20px;
  line-height:1.1;
}
.section-lead{
  text-align:center;font-size:clamp(1.05rem,2vw,1.3rem);
  color:var(--text-dim);max-width:720px;margin:0 auto 64px;
  line-height:1.5;
}

/* ---------- Chat bubble system ---------- */
.chat-thread{
  max-width:760px;margin:0 auto;
  display:flex;flex-direction:column;gap:18px;
}
.bubble-row{display:flex;width:100%;}
.bubble-row.left{justify-content:flex-start;}
.bubble-row.right{justify-content:flex-end;}
.bubble{
  position:relative;
  max-width:78%;
  padding:16px 22px;
  border-radius:22px;
  font-size:1.02rem;
  line-height:1.55;
  box-shadow:0 4px 18px rgba(0,0,0,0.35);
}
.bubble.q{
  background:var(--duck-blue);
  color:#ffffff;
  border-bottom-right-radius:6px;
  font-weight:600;
}
.bubble.a{
  background:var(--bubble-bg);
  color:var(--text);
  border-bottom-left-radius:6px;
  border:1px solid var(--border);
}
.bubble.a strong{color:var(--duck-blue);}
.bubble .tag{
  display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--text-dim-2);margin-bottom:6px;font-weight:700;
}
.bubble-note{
  max-width:78%;margin:2px 0 2px 0;
  font-size:.78rem;color:var(--text-dim-2);
  padding-left:6px;
}
.typing-dots{display:inline-flex;gap:4px;align-items:center;padding:4px 0;}
.typing-dots span{
  width:7px;height:7px;border-radius:50%;background:var(--text-dim);
  animation:typing 1.2s infinite;
}
.typing-dots span:nth-child(2){animation-delay:.2s;}
.typing-dots span:nth-child(3){animation-delay:.4s;}
@keyframes typing{
  0%,60%,100%{opacity:.3;transform:translateY(0);}
  30%{opacity:1;transform:translateY(-4px);}
}

/* ---------- Feature / App cards (3 services grid) ---------- */
.apps-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
  max-width:var(--max-w);margin:0 auto;
}
@media (max-width:900px){.apps-grid{grid-template-columns:1fr;gap:22px;}}

.app-card{
  background:linear-gradient(160deg,var(--panel) 0%, var(--panel-2) 100%);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:44px 32px 40px;
  text-align:center;
  position:relative;
  overflow:hidden;
  transition:transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s var(--ease);
  cursor:pointer;
}
.app-card::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 50% 0%, rgba(58,160,255,0.16), transparent 60%);
  opacity:0;transition:opacity .45s var(--ease);
}
.app-card:hover{transform:translateY(-10px);box-shadow:0 24px 50px rgba(0,0,0,0.5);border-color:rgba(58,160,255,0.4);}
.app-card:hover::before{opacity:1;}
.app-icon-wrap{
  width:84px;height:84px;margin:0 auto 22px;
  border-radius:22px;overflow:hidden;
  box-shadow:0 10px 24px rgba(0,0,0,0.45);
  transition:transform .45s var(--ease);
}
.app-card:hover .app-icon-wrap{transform:scale(1.08) rotate(-2deg);}
.app-icon-wrap img{width:100%;height:100%;object-fit:cover;}
.app-card h3{font-size:1.4rem;margin:0 0 10px;font-weight:700;}
.app-card p{color:var(--text-dim);font-size:.95rem;line-height:1.5;margin:0 0 22px;}
.app-card .btn{position:relative;z-index:2;}

/* ---------- Info split (image/text) ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  max-width:var(--max-w);margin:0 auto;
}
.split.reverse{grid-template-columns:1fr 1fr;}
.split.reverse .split-media{order:2;}
.split.reverse .split-text{order:1;}
@media (max-width:860px){
  .split, .split.reverse{grid-template-columns:1fr;gap:36px;}
  .split.reverse .split-media, .split.reverse .split-text{order:initial;}
}
.split-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 30px 60px rgba(0,0,0,0.5);
  aspect-ratio:1/1;
  background:var(--panel);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-text h3{font-size:clamp(1.5rem,3vw,2.1rem);margin:0 0 18px;font-weight:700;}
.split-text p{color:var(--text-dim);font-size:1.05rem;line-height:1.65;margin:0 0 16px;}
.split-text ul{margin:0 0 20px;padding-left:0;list-style:none;}
.split-text ul li{
  color:var(--text-dim);font-size:1rem;line-height:1.5;
  padding-left:26px;position:relative;margin-bottom:12px;
}
.split-text ul li::before{
  content:'✓';position:absolute;left:0;top:0;
  color:var(--accent-green);font-weight:700;
}

/* ---------- Info text block (no image) ---------- */
.info-block{
  max-width:720px;margin:0 auto;
}
.info-block h3{font-size:clamp(1.5rem,3vw,2.1rem);margin:0 0 18px;font-weight:700;}
.info-block p{color:var(--text-dim);font-size:1.05rem;line-height:1.65;margin:0 0 16px;}
.info-block ul{margin:0 0 20px;padding-left:0;list-style:none;}
.info-block ul li{
  color:var(--text-dim);font-size:1rem;line-height:1.5;
  padding-left:26px;position:relative;margin-bottom:12px;
}
.info-block ul li::before{
  content:'✓';position:absolute;left:0;top:0;
  color:var(--accent-green);font-weight:700;
}

/* ---------- Stat / pill chips ---------- */
.pill-row{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0;justify-content:center;}
.pill{
  background:rgba(58,160,255,0.14);
  border:1px solid rgba(58,160,255,0.35);
  color:var(--duck-blue);
  padding:8px 16px;border-radius:980px;
  font-size:.82rem;font-weight:600;
}

/* ---------- CTA banner ---------- */
.cta-banner{
  max-width:var(--max-w);margin:0 auto;
  background:linear-gradient(135deg, rgba(58,160,255,0.16), rgba(58,160,255,0.03));
  border:1px solid rgba(58,160,255,0.3);
  border-radius:var(--radius-lg);
  padding:60px 40px;text-align:center;
}
.cta-banner h2{font-size:clamp(1.6rem,4vw,2.4rem);margin:0 0 16px;font-weight:700;}
.cta-banner p{color:var(--text-dim);margin:0 0 30px;font-size:1.05rem;}

/* ---------- Footer ---------- */
footer{
  padding:60px 24px 30px;
  border-top:1px solid var(--border);
  background:var(--bg-soft);
}
.footer-inner{max-width:var(--max-w);margin:0 auto;}
.footer-top{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;
  padding-bottom:30px;border-bottom:1px solid var(--border);margin-bottom:24px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:600;}
.footer-brand img{width:28px;height:28px;object-fit:contain;}
.footer-links{display:flex;gap:40px;flex-wrap:wrap;}
.footer-col h4{font-size:.85rem;margin:0 0 12px;color:var(--text-dim-2);text-transform:uppercase;letter-spacing:.05em;}
.footer-col a{display:block;font-size:.85rem;color:var(--text-dim);margin-bottom:8px;transition:color .2s;}
.footer-col a:hover{color:var(--text);}
.footer-bottom{
  font-size:.78rem;color:var(--text-dim-2);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}

/* ---------- Page hero (subpages: Jellyfin / Immich / DuckCloud) ---------- */
.page-hero{
  min-height:100vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
  padding:52px 24px 60px;
  position:relative;overflow:hidden;
  box-sizing:border-box;
}
.page-hero .app-badge{
  width:72px;height:72px;border-radius:18px;margin-bottom:24px;
  box-shadow:0 14px 34px rgba(0,0,0,0.5);
  animation:float 5s ease-in-out infinite;
}
.page-hero h1{
  font-size:clamp(2.2rem,6vw,4.4rem);font-weight:700;letter-spacing:-.03em;
  margin:0 0 18px;line-height:1.05;
}
.page-hero p{font-size:clamp(1rem,2.2vw,1.35rem);color:var(--text-dim);max-width:680px;margin:0 auto;}

.glow-jellyfin{background:radial-gradient(ellipse 80% 60% at 50% 0%, rgba(58,160,255,0.16), transparent 60%), var(--bg);}
.glow-immich{background:radial-gradient(ellipse 80% 60% at 50% 0%, rgba(58,160,255,0.16), transparent 60%), var(--bg);}
.glow-duckcloud{background:radial-gradient(ellipse 80% 60% at 50% 0%, rgba(58,160,255,0.16), transparent 60%), var(--bg);}

/* ---------- Back link ---------- */
.back-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-dim);font-size:.9rem;margin-bottom:20px;
  transition:color .2s;
}
.back-link:hover{color:var(--text);}

/* ---------- Comparison / rule cards ---------- */
.rule-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:22px;
  max-width:var(--max-w);margin:0 auto;
}
@media (max-width:760px){.rule-grid{grid-template-columns:1fr;}}
.rule-card{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:30px 28px;
}
.rule-card .num{
  font-size:.78rem;font-weight:700;color:var(--duck-blue);
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;display:block;
}
.rule-card h4{margin:0 0 10px;font-size:1.15rem;}
.rule-card p{margin:0;color:var(--text-dim);font-size:.95rem;line-height:1.55;}

/* ---------- Big stat block ---------- */
.stat-block{
  display:grid;grid-template-columns:repeat(3,1fr);
  max-width:var(--max-w);margin:0 auto;gap:2px;
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);
}
@media (max-width:760px){.stat-block{grid-template-columns:1fr;}}
.stat-item{
  background:var(--panel);padding:44px 30px;text-align:center;
  border-right:1px solid var(--border);
}
.stat-item:last-child{border-right:none;}
.stat-item .num{
  font-size:clamp(2.2rem,4vw,3rem);font-weight:800;
  color:var(--duck-blue);display:block;margin-bottom:8px;
  letter-spacing:-.02em;
}
.stat-item .label{color:var(--text-dim);font-size:.9rem;}

/* utility */
.text-center{text-align:center;}
.mt-40{margin-top:40px;}
.hidden-desktop{display:none;}
@media (max-width:768px){
  .hidden-mobile{display:none;}
  .hidden-desktop{display:block;}
  .section{padding:80px 20px;}
  .hero, .page-hero{min-height:100vh;padding:44px 20px 50px;}
}

@media (max-width:480px){
  .hero, .page-hero{min-height:100vh;}
}