/* =========================================================
   HighPixel — by Araf Studio
   Design tokens
   ========================================================= */
:root{
  --bg-void:#0b0b14;
  --bg-void-2:#100e1c;
  --glass-fill: rgba(255,255,255,0.07);
  --glass-fill-strong: rgba(255,255,255,0.12);
  --glass-border: rgba(255,255,255,0.22);
  --glass-border-soft: rgba(255,255,255,0.10);

  --violet:#7c6cff;
  --violet-2:#a99bff;
  --pink:#ff6ec7;
  --cyan:#5ee7ff;

  --text-primary:#f5f3ff;
  --text-muted:#a8a3c0;
  --text-faint:#726d8c;

  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;

  --font-display:'Playfair Display', serif;
  --font-ui:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, monospace;

  --ease-glass: cubic-bezier(.22,1,.36,1);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  min-height:100vh;
  background: radial-gradient(120% 120% at 50% -10%, #16142a 0%, var(--bg-void) 55%, var(--bg-void-2) 100%);
  color: var(--text-primary);
  font-family: var(--font-ui);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* =========================================================
   Ambient liquid background
   ========================================================= */
.liquid-bg{
  position:fixed; inset:0; z-index:-1; overflow:hidden;
}
.blob{
  position:absolute;
  border-radius:50%;
  filter:blur(90px);
  opacity:0.55;
  will-change: transform;
}
.blob-a{
  width:46vw; height:46vw; top:-10%; left:-10%;
  background: radial-gradient(circle at 30% 30%, var(--violet), transparent 70%);
  animation: float-a 22s ease-in-out infinite;
}
.blob-b{
  width:38vw; height:38vw; top:20%; right:-12%;
  background: radial-gradient(circle at 60% 40%, var(--pink), transparent 70%);
  animation: float-b 26s ease-in-out infinite;
}
.blob-c{
  width:42vw; height:42vw; bottom:-15%; left:20%;
  background: radial-gradient(circle at 50% 50%, var(--cyan), transparent 70%);
  animation: float-c 30s ease-in-out infinite;
}
@keyframes float-a{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(6vw,8vh) scale(1.08); }
}
@keyframes float-b{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(-7vw,5vh) scale(0.95); }
}
@keyframes float-c{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(4vw,-6vh) scale(1.06); }
}
.grain{
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
  opacity:0.5;
}

/* =========================================================
   Liquid glass core material
   ========================================================= */
.glass{
  position:relative;
  background: var(--glass-fill);
  border:1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow:
    0 8px 32px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.35),
    inset 0 0 0 1px rgba(255,255,255,0.03);
}
.glass::before{
  content:"";
  position:absolute; inset:0;
  border-radius:inherit;
  background: linear-gradient(135deg, rgba(255,255,255,0.20) 0%, rgba(255,255,255,0) 30%, rgba(255,255,255,0) 70%, rgba(255,255,255,0.06) 100%);
  pointer-events:none;
}
.glass-inset{
  background: rgba(0,0,0,0.22);
  border:1px solid var(--glass-border-soft);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(14px);
}
.glass-pill{
  display:inline-block;
  padding:8px 18px;
  border-radius: var(--radius-pill);
  background: var(--glass-fill);
  border:1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(160%);
  font-size:0.8rem;
  letter-spacing:0.02em;
  color: var(--text-muted);
}

/* =========================================================
   Nav
   ========================================================= */
.nav-wrap{
  position:sticky; top:0; z-index:50;
  padding: 18px 5vw 0;
}
.nav{
  max-width:1200px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-logo{ width:38px; height:38px; border-radius:12px; display:block; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-name{ font-family:var(--font-display); font-weight:800; font-size:1.15rem; }
.brand-sub{ font-size:0.68rem; color:var(--text-faint); letter-spacing:0.04em; }
.nav-links{ display:flex; gap:28px; }
.nav-links a{
  color:var(--text-muted); text-decoration:none; font-size:0.92rem; font-weight:500;
  transition: color 0.25s var(--ease-glass);
}
.nav-links a:hover{ color: var(--text-primary); }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  max-width:820px; margin:0 auto;
  padding: 100px 24px 70px;
  text-align:center;
}
.eyebrow{ margin-bottom:26px; }
.hero-title{
  font-family: var(--font-display);
  font-weight:800;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height:1.08;
  margin:0 0 22px;
  letter-spacing:-0.01em;
}
.hero-title em{
  font-style:italic;
  background: linear-gradient(100deg, var(--violet-2), var(--pink) 50%, var(--cyan));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{
  color: var(--text-muted);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height:1.7;
  max-width:600px; margin:0 auto 40px;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  font-family: var(--font-ui);
  font-weight:600;
  font-size:0.98rem;
  border:none;
  cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  transition: transform 0.35s var(--ease-glass), box-shadow 0.35s var(--ease-glass), background 0.35s var(--ease-glass), opacity 0.25s ease;
  text-decoration:none;
  color:var(--text-primary);
}
.btn:active{ transform: scale(0.96); }
.btn-primary{
  background: linear-gradient(135deg, var(--violet), var(--pink) 120%);
  box-shadow: 0 10px 30px -8px rgba(124,108,255,0.55), inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-primary:hover{ box-shadow: 0 14px 38px -6px rgba(255,110,199,0.55), inset 0 1px 0 rgba(255,255,255,0.5); }
.btn-ghost{
  background: var(--glass-fill);
  border:1px solid var(--glass-border);
  backdrop-filter: blur(18px);
}
.btn-ghost:hover:not(:disabled){ background: var(--glass-fill-strong); }
.btn-lg{ padding:16px 34px; font-size:1rem; flex:1; }
.btn:disabled{ opacity:0.4; cursor:not-allowed; transform:none; }
.btn:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; }

.link-btn{
  background:none; border:none; color:var(--violet-2);
  font-size:0.85rem; cursor:pointer; padding:0; margin-top:10px;
  text-decoration:underline; text-underline-offset:3px;
  font-family: var(--font-ui);
}
.link-btn:focus-visible{ outline:2px solid var(--cyan); }

/* =========================================================
   Compressor card
   ========================================================= */
.compressor-section{ padding: 20px 5vw 100px; }
.compressor-card{
  max-width:760px; margin:0 auto;
  padding: 36px;
}

.dropzone{
  border:1.5px dashed var(--glass-border);
  border-radius: var(--radius-lg);
  cursor:pointer;
  transition: background 0.3s var(--ease-glass), border-color 0.3s var(--ease-glass);
}
.dropzone:hover, .dropzone.dragover{
  background: rgba(255,255,255,0.05);
  border-color: var(--violet-2);
}
.dropzone-inner{
  padding: 60px 24px;
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:6px;
  color: var(--text-muted);
}
.drop-icon{ color: var(--violet-2); margin-bottom:8px; }
.drop-title{ font-size:1.05rem; font-weight:600; color:var(--text-primary); margin:0; }
.drop-sub{ font-size:0.85rem; margin:0; color:var(--text-faint); }

.workspace{ display:flex; flex-direction:column; gap:26px; }

.preview-row{ display:flex; gap:20px; align-items:stretch; }
.preview-box{
  width:120px; height:120px; flex-shrink:0;
  border-radius: var(--radius-md);
  overflow:hidden;
  background: rgba(0,0,0,0.3);
  border:1px solid var(--glass-border-soft);
  display:flex; align-items:center; justify-content:center;
}
.preview-box img, .preview-box video{ width:100%; height:100%; object-fit:cover; }
.file-meta{ flex:1; min-width:0; display:flex; flex-direction:column; justify-content:center; }
.file-name{
  font-weight:600; font-size:0.95rem; margin:0 0 8px;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.meta-line{ display:flex; justify-content:space-between; font-size:0.85rem; padding:3px 0; }
.meta-label{ color:var(--text-faint); }
.meta-value.accent{ color: var(--cyan); }
.mono{ font-family:var(--font-mono); }

/* Liquid capsule meter — signature element */
.capsule-meter{ display:flex; flex-direction:column; gap:10px; }
.capsule-track{
  position:relative;
  height:22px;
  border-radius: var(--radius-pill);
  background: rgba(0,0,0,0.35);
  border:1px solid var(--glass-border-soft);
  overflow:hidden;
}
.capsule-fill{
  position:absolute; inset:0; width:0%;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  border-radius: inherit;
  transition: width 0.9s var(--ease-glass);
}
.capsule-liquid{
  position:absolute; top:0; bottom:0; left:0; width:0%;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,0.45), rgba(255,255,255,0) 60%);
  transition: width 0.9s var(--ease-glass);
  mix-blend-mode: overlay;
}
.capsule-labels{ display:flex; justify-content:space-between; font-size:0.8rem; color:var(--text-faint); }
#capsulePercent{ font-family:var(--font-mono); color:var(--text-muted); }

/* Mode toggle */
.mode-toggle{ display:flex; padding:4px; gap:4px; }
.mode-btn{
  flex:1; padding:11px 14px; border:none; background:transparent; color:var(--text-muted);
  font-family:var(--font-ui); font-size:0.88rem; font-weight:600; cursor:pointer;
  border-radius: var(--radius-pill);
  transition: background 0.3s var(--ease-glass), color 0.3s var(--ease-glass);
}
.mode-btn span{ font-weight:400; opacity:0.75; }
.mode-btn.active{
  background: linear-gradient(135deg, rgba(124,108,255,0.5), rgba(255,110,199,0.4));
  color:var(--text-primary);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}
.mode-btn:focus-visible{ outline:2px solid var(--cyan); }

.custom-size-row{ display:flex; gap:12px; }
.size-input{
  flex:1;
  background: rgba(0,0,0,0.28);
  border:1px solid var(--glass-border-soft);
  border-radius: var(--radius-pill);
  padding: 13px 20px;
  color:var(--text-primary);
  font-family: var(--font-mono);
  font-size:0.95rem;
}
.size-input:focus-visible, .size-input:focus{ outline:2px solid var(--violet-2); }
.size-input::placeholder{ color: var(--text-faint); }
.unit-toggle{ display:flex; padding:4px; gap:4px; }
.unit-btn{
  padding:10px 18px; border:none; background:transparent; color:var(--text-muted);
  font-family:var(--font-mono); font-size:0.85rem; font-weight:600; cursor:pointer;
  border-radius: var(--radius-pill);
  transition: background 0.3s var(--ease-glass), color 0.3s var(--ease-glass);
}
.unit-btn.active{ background: var(--glass-fill-strong); color:var(--text-primary); }
.unit-btn:focus-visible{ outline:2px solid var(--cyan); }

.hint{ font-size:0.82rem; color:var(--text-faint); text-align:center; margin:0; }

.action-row{ display:flex; gap:14px; }

.spinner{
  width:16px; height:16px; border-radius:50%;
  border:2px solid rgba(255,255,255,0.35);
  border-top-color:#fff;
  animation: spin 0.8s linear infinite;
  display:inline-block;
}
@keyframes spin{ to{ transform:rotate(360deg); } }

.progress-wrap{ display:flex; flex-direction:column; gap:8px; }
.progress-track{
  height:8px; border-radius:var(--radius-pill);
  background: rgba(0,0,0,0.35);
  overflow:hidden;
}
.progress-fill{
  height:100%; width:0%;
  background: linear-gradient(90deg, var(--violet), var(--pink));
  transition: width 0.3s linear;
}
.progress-label{ font-size:0.8rem; color:var(--text-faint); margin:0; text-align:center; }

/* =========================================================
   How it works
   ========================================================= */
.how-section{ max-width:1100px; margin:0 auto; padding: 40px 5vw 100px; }
.section-title{
  font-family:var(--font-display); font-weight:800;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  text-align:center; margin-bottom:48px;
}
.how-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.how-card{ padding:32px 28px; }
.how-mark{
  font-family:var(--font-mono); font-size:0.85rem; color:var(--violet-2); letter-spacing:0.1em;
}
.how-card h3{ font-family:var(--font-display); font-size:1.35rem; margin:14px 0 10px; }
.how-card p{ color:var(--text-muted); line-height:1.65; font-size:0.94rem; margin:0; }
.how-card em{ color:var(--text-primary); font-style:normal; font-weight:600; }

/* =========================================================
   FAQ
   ========================================================= */
.faq-section{ max-width:820px; margin:0 auto; padding: 20px 5vw 110px; }
.faq-list{ display:flex; flex-direction:column; gap:14px; }
.faq-item{ padding:22px 26px; }
.faq-item summary{
  cursor:pointer; font-weight:600; font-size:0.98rem; list-style:none;
  display:flex; justify-content:space-between; align-items:center;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:"+"; font-size:1.3rem; color:var(--violet-2); font-weight:400; margin-left:12px;
  transition: transform 0.3s var(--ease-glass);
}
.faq-item[open] summary::after{ transform: rotate(45deg); }
.faq-item p{ color:var(--text-muted); line-height:1.7; font-size:0.92rem; margin:14px 0 0; }

/* =========================================================
   Footer
   ========================================================= */
.footer{ padding: 0 5vw 40px; }
.footer-inner{
  max-width:1200px; margin:0 auto;
  padding: 26px 30px;
  display:flex; align-items:center; justify-content:space-between;
  border-radius: var(--radius-lg);
}
.footer-brand{ display:flex; align-items:center; gap:12px; }
.footer-logo{ width:34px; height:34px; border-radius:10px; }
.footer-name{ font-family:var(--font-display); font-weight:700; margin:0; font-size:1rem; }
.footer-sub{ margin:0; font-size:0.78rem; color:var(--text-faint); }
.footer-copy{ font-size:0.8rem; color:var(--text-faint); margin:0; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 860px){
  .how-grid{ grid-template-columns:1fr; }
  .nav-links{ display:none; }
}
@media (max-width: 640px){
  .compressor-card{ padding:24px 18px; }
  .preview-row{ flex-direction:column; align-items:flex-start; }
  .preview-box{ width:100%; height:180px; }
  .footer-inner{ flex-direction:column; gap:14px; text-align:center; }
  .action-row{ flex-direction:column; }
}