/* ============ ZHH BIO MAKER — PREMIUM 3D STYLE ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#05060f;
  --bg-2:#0a0d1f;
  --surface:rgba(255,255,255,0.04);
  --border:rgba(255,255,255,0.1);
  --text:#e6ecff;
  --muted:#8a93b8;
  --primary:#00f0ff;
  --primary-2:#a855f7;
  --accent:#ff2bd6;
  --grad:linear-gradient(135deg,#00f0ff 0%,#a855f7 50%,#ff2bd6 100%);
  --grad-soft:linear-gradient(135deg,rgba(0,240,255,.15),rgba(168,85,247,.15));
  --shadow:0 20px 60px -20px rgba(0,240,255,.4);
}
html,body{background:var(--bg);color:var(--text);font-family:'Poppins',system-ui,sans-serif;scroll-behavior:smooth;overflow-x:hidden}
body{background:radial-gradient(ellipse at top,#101633 0%,#05060f 50%,#000 100%);min-height:100vh}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ===== LOADER ===== */
#loader{position:fixed;inset:0;background:#000;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:30px;transition:opacity .8s ease,visibility .8s ease}
#loader.hide{opacity:0;visibility:hidden}
.loader-core{position:relative;width:160px;height:160px;display:grid;place-items:center}
.ring{position:absolute;border-radius:50%;border:2px solid transparent;animation:spin 2s linear infinite}
.r1{inset:0;border-top-color:var(--primary);border-right-color:var(--primary)}
.r2{inset:15px;border-bottom-color:var(--primary-2);border-left-color:var(--primary-2);animation-duration:1.5s;animation-direction:reverse}
.r3{inset:30px;border-top-color:var(--accent);animation-duration:1s}
.loader-logo{font-family:'Orbitron',sans-serif;font-weight:900;font-size:24px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:3px;animation:pulse 1.5s ease-in-out infinite}
.loader-text{font-family:'Rajdhani',sans-serif;letter-spacing:6px;font-size:12px;color:var(--muted)}
.loader-bar{width:240px;height:3px;background:rgba(255,255,255,.08);border-radius:2px;overflow:hidden}
.loader-bar span{display:block;height:100%;width:0;background:var(--grad);animation:fill 2.2s ease forwards}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{50%{opacity:.5;transform:scale(1.05)}}
@keyframes fill{to{width:100%}}

/* ===== NAV ===== */
.nav{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);background:rgba(5,6,15,.7);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1300px;margin:auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.brand{display:flex;flex-direction:column;line-height:1}
.brand-mark{font-family:'Orbitron',sans-serif;font-weight:900;font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:2px}
.brand-sub{font-size:9px;letter-spacing:4px;color:var(--muted);margin-top:3px}
.nav nav{display:flex;align-items:center;gap:24px}
.nav nav a{font-size:14px;color:var(--muted);transition:color .2s}
.nav nav a:hover{color:var(--text)}
.wa-btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#25d366,#128c7e);color:#fff!important;padding:10px 18px;border-radius:999px;font-weight:600;font-size:13px;box-shadow:0 8px 24px -8px rgba(37,211,102,.6);transition:transform .2s}
.wa-btn:hover{transform:translateY(-2px)}

/* ===== HERO ===== */
.hero{position:relative;min-height:90vh;display:grid;place-items:center;padding:80px 24px 60px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:float 8s ease-in-out infinite}
.o1{width:500px;height:500px;background:#00f0ff;top:-100px;left:-100px}
.o2{width:400px;height:400px;background:#a855f7;bottom:-100px;right:-100px;animation-delay:-3s}
.o3{width:300px;height:300px;background:#ff2bd6;top:40%;left:50%;animation-delay:-5s}
@keyframes float{50%{transform:translate(40px,-30px) scale(1.1)}}
.grid-3d{position:absolute;inset:0;background-image:linear-gradient(rgba(0,240,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(0,240,255,.07) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse at center,black 30%,transparent 70%);transform:perspective(800px) rotateX(60deg);transform-origin:center top}
.hero-content{position:relative;z-index:1;text-align:center;max-width:900px}
.badge{display:inline-block;padding:8px 18px;border:1px solid var(--border);border-radius:999px;background:var(--surface);font-size:12px;letter-spacing:3px;color:var(--primary);margin-bottom:24px;backdrop-filter:blur(10px)}
.hero h1{font-family:'Orbitron',sans-serif;font-size:clamp(36px,6vw,72px);font-weight:900;line-height:1.1;letter-spacing:-1px}
.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin-top:24px;font-size:18px;color:var(--muted);max-width:640px;margin-inline:auto;line-height:1.6}
.hero-actions{display:flex;gap:16px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:12px;font-weight:600;font-size:14px;cursor:pointer;border:none;transition:all .25s;font-family:inherit}
.btn-primary{background:var(--grad);color:#000;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 24px 60px -16px rgba(168,85,247,.6)}
.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.hero-stats{display:flex;justify-content:center;gap:60px;margin-top:60px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column;align-items:center}
.hero-stats b{font-family:'Orbitron',sans-serif;font-size:32px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:12px;letter-spacing:2px;color:var(--muted);margin-top:4px}

/* ===== SECTIONS ===== */
.section{max-width:1300px;margin:auto;padding:80px 24px}
.section-title{font-family:'Orbitron',sans-serif;font-size:clamp(28px,4vw,44px);text-align:center;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section-sub{text-align:center;color:var(--muted);margin-top:12px;margin-bottom:48px}

.glass{background:var(--surface);border:1px solid var(--border);border-radius:20px;backdrop-filter:blur(20px);box-shadow:0 20px 60px -30px rgba(0,0,0,.8)}

/* ===== STUDIO ===== */
.studio{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:30px}
@media (max-width:1024px){.studio{grid-template-columns:1fr}}
.form-panel{padding:28px;max-height:90vh;overflow-y:auto}
.form-panel::-webkit-scrollbar{width:8px}
.form-panel::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.upload-wrap{display:flex;justify-content:center;margin-bottom:20px}
.upload-label{cursor:pointer}
.avatar-preview{width:140px;height:140px;border-radius:50%;border:2px dashed var(--border);display:grid;place-items:center;color:var(--muted);text-align:center;font-size:13px;background:var(--surface);background-size:cover;background-position:center;transition:all .25s}
.avatar-preview:hover{border-color:var(--primary);box-shadow:0 0 30px rgba(0,240,255,.4)}
.avatar-preview span{padding:10px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12px;letter-spacing:1px;color:var(--muted);margin-bottom:6px;text-transform:uppercase}
.field input,.field textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:rgba(0,0,0,.3);color:var(--text);font-family:inherit;font-size:14px;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,240,255,.15)}
.field-group{margin:24px 0 14px;font-family:'Orbitron',sans-serif;font-size:14px;color:var(--primary);letter-spacing:2px}
.field-group small{color:var(--muted);font-family:'Poppins';letter-spacing:0;font-weight:400;font-size:11px}
.color-row{display:flex;align-items:center;gap:14px}
.color-row input[type=color]{width:60px;height:40px;border:1px solid var(--border);border-radius:8px;background:transparent;cursor:pointer}
.actions{display:flex;flex-direction:column;gap:10px;margin-top:24px}

/* ===== TEMPLATE PICKER ===== */
.template-picker{display:flex;gap:10px;overflow-x:auto;padding:6px 2px 14px;scrollbar-width:thin}
.template-picker::-webkit-scrollbar{height:6px}
.template-picker::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.tpl-chip{flex:0 0 auto;padding:10px 18px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:13px;cursor:pointer;transition:all .2s;white-space:nowrap}
.tpl-chip:hover{color:var(--text);border-color:var(--primary)}
.tpl-chip.active{background:var(--grad);color:#000;border-color:transparent;font-weight:600}

/* ===== PREVIEW FRAME ===== */
.preview-frame{border-radius:20px;overflow:hidden;border:1px solid var(--border);background:#000;box-shadow:0 30px 80px -20px rgba(0,0,0,.8)}
.device-bar{display:flex;gap:6px;padding:12px;background:#0a0a14;border-bottom:1px solid var(--border)}
.device-bar span{width:11px;height:11px;border-radius:50%;background:#333}
.device-bar span:nth-child(1){background:#ff5f56}
.device-bar span:nth-child(2){background:#ffbd2e}
.device-bar span:nth-child(3){background:#27c93f}
.preview-stage{min-height:600px;max-height:80vh;overflow-y:auto}

/* ===== TEMPLATES SHOWCASE GRID ===== */
.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.tpl-card{border-radius:18px;overflow:hidden;border:1px solid var(--border);background:var(--surface);position:relative;cursor:pointer;transition:transform .3s,box-shadow .3s}
.tpl-card:hover{transform:translateY(-6px);box-shadow:0 30px 60px -20px rgba(0,240,255,.3)}
.tpl-card .thumb{height:200px;display:grid;place-items:center;font-family:'Orbitron',sans-serif;font-size:18px;font-weight:700;color:#fff;text-align:center;padding:20px}
.tpl-card .info{padding:16px;display:flex;justify-content:space-between;align-items:center}
.tpl-card .info b{font-size:14px}
.tpl-card .info span{font-size:11px;color:var(--muted)}

/* ===== FEATURES ===== */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.feature{padding:28px;text-align:center;transition:transform .3s,border-color .3s}
.feature:hover{transform:translateY(-6px);border-color:var(--primary)}
.f-icon{font-size:40px;margin-bottom:14px}
.feature h3{font-family:'Orbitron',sans-serif;font-size:16px;margin-bottom:8px}
.feature p{color:var(--muted);font-size:13px;line-height:1.6}

/* ===== ABOUT ===== */
.about{display:grid;place-items:center}
.about-card{padding:50px;max-width:720px;text-align:center}
.about-card p{color:var(--muted);margin:20px 0 28px;line-height:1.7}

/* ===== FOOTER ===== */
.footer{padding:30px 24px;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid var(--border);margin-top:40px}
.footer b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== NAV TOGGLE (mobile) ===== */
.nav-toggle{display:none;background:transparent;border:1px solid var(--border);border-radius:10px;padding:9px 10px;cursor:pointer;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== RESPONSIVE BREAKPOINTS ===== */

/* Laptop / small desktop */
@media (max-width:1280px){
  .section{padding:64px 20px}
  .hero{padding:64px 20px 48px}
  .hero-stats{gap:36px;margin-top:44px}
  .nav nav{gap:18px}
  .nav nav a{font-size:13px}
}

/* Tablet */
@media (max-width:1024px){
  .studio{grid-template-columns:1fr;gap:24px}
  .form-panel{max-height:none;padding:22px}
  .preview-stage{min-height:520px;max-height:none}
  .hero{min-height:auto;padding:56px 18px 40px}
  .hero h1{font-size:clamp(30px,5.5vw,52px)}
  .hero p{font-size:16px}
  .hero-stats{gap:30px;margin-top:36px}
  .hero-stats b{font-size:26px}
  .section{padding:56px 18px}
  .about-card{padding:36px 26px}
  .template-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
  .features{gap:16px}
  .feature{padding:22px}
}

/* Mobile */
@media (max-width:768px){
  .nav-inner{padding:12px 16px;flex-wrap:wrap;gap:12px}
  .nav-toggle{display:flex}
  .nav nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:4px;padding:8px 0 4px;border-top:1px solid var(--border);margin-top:4px}
  .nav nav.open{display:flex}
  .nav nav a{padding:12px 8px;font-size:15px;border-radius:8px}
  .nav nav a:hover{background:var(--surface)}
  .wa-btn{justify-content:center;margin-top:6px}
  .brand-mark{font-size:18px}
  .brand-sub{font-size:8px;letter-spacing:3px}

  .hero{padding:40px 14px 30px}
  .hero h1{font-size:clamp(26px,8vw,40px);line-height:1.15}
  .hero p{font-size:15px;margin-top:18px}
  .badge{font-size:10px;letter-spacing:2px;padding:6px 14px;margin-bottom:18px}
  .hero-actions{gap:10px;margin-top:24px;flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .btn{padding:13px 22px;font-size:14px}
  .hero-stats{gap:18px;margin-top:32px;justify-content:space-around;width:100%}
  .hero-stats div{flex:1;min-width:90px}
  .hero-stats b{font-size:22px}
  .hero-stats span{font-size:10px;letter-spacing:1px;text-align:center}
  .o1,.o2,.o3{filter:blur(60px);opacity:.4}
  .o1{width:300px;height:300px}
  .o2{width:260px;height:260px}
  .o3{width:200px;height:200px}

  .section{padding:48px 14px}
  .section-title{font-size:clamp(24px,6vw,32px)}
  .section-sub{font-size:14px;margin-bottom:32px}

  .form-panel{padding:18px;border-radius:16px}
  .avatar-preview{width:120px;height:120px}
  .field{margin-bottom:13px}
  .field input,.field textarea{font-size:15px;padding:11px 12px} /* 15px+ avoids iOS zoom */
  .field label{font-size:11px}
  .actions{gap:8px;margin-top:18px}

  .template-picker{gap:8px}
  .tpl-chip{padding:8px 14px;font-size:12px}
  .preview-frame{border-radius:14px}
  .preview-stage{min-height:480px}

  .template-grid{grid-template-columns:1fr 1fr;gap:12px}
  .tpl-card .thumb{height:140px;font-size:14px;padding:12px}
  .tpl-card .info{padding:12px}
  .tpl-card .info b{font-size:13px}
  .tpl-card .info span{font-size:10px}

  .features{grid-template-columns:1fr 1fr;gap:12px}
  .feature{padding:18px 14px}
  .f-icon{font-size:32px;margin-bottom:10px}
  .feature h3{font-size:14px}
  .feature p{font-size:12px}

  .about-card{padding:28px 20px;border-radius:16px}
  .about-card p{font-size:14px}

  .footer{padding:24px 16px;font-size:12px}
}

/* Small mobile */
@media (max-width:420px){
  .template-grid,.features{grid-template-columns:1fr}
  .hero-stats{gap:10px}
  .hero-stats b{font-size:20px}
  .nav-inner{padding:10px 14px}
}

/* Touch / no-hover */
@media (hover:none){
  .btn-primary:hover,.feature:hover,.tpl-card:hover{transform:none}
}