/* Novatix Image AI Studio — Obsidian theme */
:root{
  --bg:#0a0f14;
  --bg-2:#0d141c;
  --panel:#111a24;
  --panel-2:#16202c;
  --border:rgba(20,184,166,.18);
  --border-soft:rgba(255,255,255,.08);
  --teal:#14b8a6;
  --teal-dim:rgba(20,184,166,.12);
  --copper:#c97b4a;
  --copper-dim:rgba(201,123,74,.12);
  --text:#e8eef4;
  --muted:#93a3b5;
  --radius:16px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-display:'Space Grotesk','Inter',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 480px at 15% -5%, rgba(20,184,166,.09), transparent 60%),
    radial-gradient(800px 420px at 90% 10%, rgba(201,123,74,.07), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(20,184,166,.05), transparent 60%);
}
::selection{background:rgba(20,184,166,.35)}

/* ---------- Nav ---------- */
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 32px;position:sticky;top:0;z-index:50;
  background:rgba(10,15,20,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.brand-logo{height:34px;width:auto;display:block}
.brand-mark{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:22px;color:#06110e;
  background:linear-gradient(135deg,var(--teal),#0d9488);
  box-shadow:0 0 24px rgba(20,184,166,.45);
}
.brand-text{font-family:var(--font-display);font-weight:700;font-size:17px}
.brand-text em{font-style:normal;color:var(--muted);font-weight:500;font-size:13px;display:block;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font);font-weight:600;font-size:15px;
  padding:14px 26px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .2s,background .2s;
}
.btn:active{transform:scale(.97)}
.btn svg{width:18px;height:18px}
.btn-primary{
  background:linear-gradient(135deg,#14b8a6,#0d9488);color:#04110e;
  box-shadow:0 8px 28px rgba(20,184,166,.35);
}
.btn-primary:hover:not(:disabled){box-shadow:0 10px 34px rgba(20,184,166,.5)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--border-soft);color:var(--text)}
.btn-ghost:hover{border-color:var(--teal)}
.btn-sm{padding:9px 18px;font-size:13px;background:var(--teal-dim);border:1px solid var(--border);color:var(--teal)}
.btn-sm:hover{color:#fff}
.btn-lg{padding:17px 36px;font-size:17px}

/* ---------- Hero ---------- */
.hero{max-width:1060px;margin:0 auto;padding:64px 24px 40px;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;font-weight:700;letter-spacing:1.6px;color:var(--teal);
  border:1px solid var(--border);background:var(--teal-dim);
  padding:9px 20px;border-radius:999px;margin-bottom:28px;
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(20,184,166,.5)}50%{box-shadow:0 0 0 7px rgba(20,184,166,0)}}
.hero h1{
  font-family:var(--font-display);font-size:clamp(40px,6.5vw,72px);
  line-height:1.05;font-weight:700;letter-spacing:-1px;margin-bottom:20px;
}
.grad{background:linear-gradient(120deg,var(--teal) 20%,#5eead4 50%,var(--copper) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{max-width:640px;margin:0 auto 40px;color:var(--muted);font-size:18px}

/* ---------- Studio ---------- */
.studio{max-width:860px;margin:0 auto;text-align:left}
.dropzone{
  border:2px dashed rgba(20,184,166,.35);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(20,184,166,.05),rgba(20,184,166,.015));
  padding:56px 32px;text-align:center;cursor:pointer;
  transition:border-color .25s,background .25s,transform .15s;
}
.dropzone:hover,.dropzone:focus{border-color:var(--teal);background:rgba(20,184,166,.08);outline:none}
.dropzone.dragover{border-color:var(--teal);background:rgba(20,184,166,.12);transform:scale(1.01)}
.dz-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;display:grid;place-items:center;background:var(--teal-dim);border:1px solid var(--border);color:var(--teal)}
.dz-icon svg{width:30px;height:30px}
.dz-title{font-size:19px;font-weight:600;margin-bottom:8px}
.dz-title span{color:var(--teal)}
.dz-hint{color:var(--muted);font-size:13px}

/* ---------- Editor / compare ---------- */
.editor{margin-top:8px}
.compare-wrap{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-soft);background:var(--panel)}
.compare{position:relative;max-height:560px;overflow:hidden;user-select:none;touch-action:none}
.compare img{display:block;width:100%;height:auto;max-height:560px;object-fit:contain;pointer-events:none}
.img-after-wrap{position:absolute;inset:0;overflow:hidden;width:50%}
.img-after-wrap .img-after{width:100%;height:100%;max-height:560px;object-fit:contain}
.checkerboard{position:absolute;inset:0;background-image:linear-gradient(45deg,#1a2430 25%,transparent 25%),linear-gradient(-45deg,#1a2430 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#1a2430 75%),linear-gradient(-45deg,transparent 75%,#1a2430 75%);background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0;background-color:#101820}
.compare-slider{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.compare-handle{
  position:absolute;top:0;bottom:0;left:50%;width:3px;background:var(--teal);
  transform:translateX(-50%);pointer-events:none;
  box-shadow:0 0 16px rgba(20,184,166,.7);
}
.compare-handle span{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:42px;height:42px;border-radius:50%;background:var(--panel);
  border:2px solid var(--teal);display:grid;place-items:center;color:var(--teal);font-size:15px;
}
.tag{position:absolute;top:14px;font-size:11px;font-weight:700;letter-spacing:1.5px;padding:6px 14px;border-radius:999px;backdrop-filter:blur(6px)}
.tag-before{left:14px;background:rgba(0,0,0,.55);color:#fff;border:1px solid rgba(255,255,255,.2)}
.tag-after{right:14px;background:rgba(20,184,166,.2);color:var(--teal);border:1px solid var(--border)}

.progress-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:rgba(10,15,20,.88);backdrop-filter:blur(6px);z-index:5;text-align:center;padding:32px;
}
.spinner{width:52px;height:52px;border-radius:50%;border:4px solid rgba(20,184,166,.2);border-top-color:var(--teal);animation:spin 1s linear infinite;margin-bottom:20px}
@keyframes spin{to{transform:rotate(360deg)}}
#progressLabel{font-size:18px;font-weight:600;margin-bottom:14px}
.progress-bar{width:min(420px,80%);height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-bottom:12px}
#progressFill{height:100%;width:0%;border-radius:999px;background:linear-gradient(90deg,var(--teal),#5eead4);transition:width .25s}
.progress-note{color:var(--muted);font-size:13px;max-width:420px}

.error-box{
  margin-top:14px;padding:14px 18px;border-radius:12px;font-size:14px;
  background:rgba(220,60,60,.1);border:1px solid rgba(220,60,60,.35);color:#f3a3a3;
}
.editor-actions{display:flex;gap:14px;margin-top:20px;flex-wrap:wrap}
.privacy-note{margin-top:16px;color:var(--muted);font-size:13px;text-align:center}

/* ---------- Hero stats ---------- */
.hero-stats{display:flex;gap:16px;justify-content:center;margin:56px auto 0;flex-wrap:wrap;max-width:860px}
.stat{flex:1;min-width:130px;background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--radius);padding:20px 12px}
.stat strong{display:block;font-family:var(--font-display);font-size:30px;color:var(--teal)}
.stat span{color:var(--muted);font-size:13px}

/* ---------- Sections ---------- */
.section{max-width:1060px;margin:0 auto;padding:72px 24px 8px}
.section h2{font-family:var(--font-display);font-size:clamp(28px,4vw,42px);font-weight:700;letter-spacing:-.5px;text-align:center;margin-bottom:12px}
.section-sub{text-align:center;color:var(--muted);margin-bottom:40px;font-size:17px}
.cards-3,.cards-4{display:grid;gap:18px}
.cards-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.cards-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--radius);padding:30px 26px;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:var(--border)}
.card h3{font-size:18px;margin-bottom:10px;font-family:var(--font-display)}
.card p{color:var(--muted);font-size:14.5px}
.card-num{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:20px;background:var(--teal-dim);color:var(--teal);border:1px solid var(--border);margin-bottom:18px}
.feat-icon{font-size:34px;margin-bottom:14px}

.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.chip{background:var(--panel);border:1px solid var(--border-soft);border-radius:999px;padding:12px 22px;font-size:14px;font-weight:500;color:var(--text)}
.chip:hover{border-color:var(--teal)}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq{background:var(--panel);border:1px solid var(--border-soft);border-radius:12px;overflow:hidden}
.faq summary{padding:20px 24px;cursor:pointer;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--teal);font-size:22px;font-weight:400}
.faq[open] summary::after{content:'−'}
.faq p{padding:0 24px 22px;color:var(--muted);font-size:15px}

/* ---------- CTA / footer ---------- */
.cta{text-align:center;padding-bottom:90px}
.cta h2{margin-bottom:28px}
.footer{border-top:1px solid var(--border-soft);padding:36px 24px;text-align:center;color:var(--muted);font-size:14px}
.footer p{margin-bottom:8px}
.footer-links a{color:var(--muted);text-decoration:none;margin:0 6px}
.footer-links a:hover{color:var(--teal)}

@media (max-width:640px){
  .nav{padding:14px 18px}
  .nav-links a:not(.btn){display:none}
  .hero{padding:44px 18px 30px}
  .dropzone{padding:40px 20px}
  .editor-actions .btn{flex:1;justify-content:center}
  .section{padding:52px 18px 8px}
}