/* ─── HaiCUP design system ─────────────────────────────────── */
:root{
  --ink:#0e1116; --ink-2:#2b2f38; --muted:#6b7280;
  --brand:#4f46e5; --brand-2:#7c6bff; --brand-ghost:#eef0ff;
  --accent:#14b8a6;
  --sand:#f6f4ef; --panel:#ffffff; --line:#e7e4dd;
  --ok:#0f9d58; --warn:#d97706; --danger:#dc2626;
  --radius:16px; --radius-sm:10px; --shadow:0 10px 40px rgba(16,18,25,.10);
  --shadow-sm:0 2px 10px rgba(16,18,25,.06);
  --maxw:1180px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,Arial,sans-serif;color:var(--ink);background:var(--sand);line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:Poppins,Inter,sans-serif;line-height:1.15;margin:0 0 .4em}
h1{font-size:clamp(2rem,4vw,3.3rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,2.5vw,2.1rem);font-weight:700;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.center{text-align:center}
.hidden{display:none!important}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;font-weight:600;font-size:.95rem;
  padding:12px 20px;border-radius:12px;transition:.18s;font-family:inherit;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--brand-2),var(--brand));color:#fff;box-shadow:0 6px 20px rgba(79,70,229,.32)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(79,70,229,.4)}
.btn-ghost{background:var(--panel);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-light{background:var(--brand-ghost);color:var(--brand)}
.btn-block{width:100%;justify-content:center}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-sm{padding:8px 14px;font-size:.85rem;border-radius:10px}

/* header */
header.nav{position:sticky;top:0;z-index:50;background:rgba(246,244,239,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-weight:500;color:var(--ink-2);font-size:.95rem}
.nav-links a:hover{color:var(--brand)}
.brand-logo{height:34px}
.pill{font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:20px;background:var(--brand-ghost);color:var(--brand)}

/* hero */
.hero{padding:70px 0 40px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);color:var(--ink-2);
  padding:6px 14px;border-radius:30px;font-size:.82rem;font-weight:600;margin-bottom:22px;box-shadow:var(--shadow-sm)}
.hero p.lead{font-size:1.18rem;color:var(--ink-2);max-width:520px;margin:0 0 28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.trust{margin-top:26px;color:var(--muted);font-size:.86rem;display:flex;gap:20px;flex-wrap:wrap}
.hero-visual{background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:18px;transform:rotate(1.4deg)}
.hero-visual img{border-radius:14px;display:block;width:100%}
.blob{position:absolute;filter:blur(70px);opacity:.5;border-radius:50%;z-index:-1}
.blob.a{width:420px;height:420px;background:#c7bfff;top:-120px;right:-80px}
.blob.b{width:360px;height:360px;background:#a7f3d0;bottom:-160px;left:-100px}

/* sections */
section{padding:56px 0}
.section-head{max-width:640px;margin:0 auto 38px;text-align:center}
.section-head p{color:var(--ink-2)}

/* category / template grids */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s;cursor:pointer}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9d4ca}
.card .thumb{aspect-ratio:4/3;background:var(--sand);display:flex;align-items:center;justify-content:center;position:relative}
.card .thumb img{width:100%;height:100%;object-fit:contain;padding:8px}
.card .body{padding:14px 16px}
.card .body h4{margin:0 0 3px;font-size:1rem}
.card .body .row{display:flex;justify-content:space-between;align-items:center}
.tag{position:absolute;top:10px;left:10px;font-size:.68rem;font-weight:700;padding:3px 9px;border-radius:8px}
.tag.free{background:#dcfce7;color:#166534}
.tag.pro{background:#ede9fe;color:#6d28d9}
.count{font-size:.78rem;color:var(--muted)}

/* studio */
.studio{display:grid;grid-template-columns:320px 1fr;gap:0;min-height:calc(100vh - 68px)}
.studio-side{background:var(--panel);border-right:1px solid var(--line);padding:22px;overflow-y:auto}
.studio-stage{padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:18px;background:
  radial-gradient(circle at 50% 30%, #fff, var(--sand) 70%)}
.stage-canvas{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);max-width:760px;width:100%}
.stage-canvas canvas{width:100%;height:auto;display:block;border-radius:14px}
.thumb-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.thumb-strip .mini{border:2px solid transparent;border-radius:10px;overflow:hidden;cursor:pointer;background:var(--sand);aspect-ratio:4/3}
.thumb-strip .mini.active{border-color:var(--brand)}
.thumb-strip .mini img{width:100%;height:100%;object-fit:contain;padding:4px}
.dropzone{border:2px dashed #cfcabf;border-radius:12px;padding:26px 16px;text-align:center;cursor:pointer;transition:.15s;background:var(--sand)}
.dropzone:hover,.dropzone.drag{border-color:var(--brand);background:var(--brand-ghost)}
.field label{display:block;font-size:.8rem;font-weight:600;color:var(--ink-2);margin:14px 0 6px}
.field input[type=range]{width:100%}
.subttl{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;margin:18px 0 8px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:26px;display:flex;flex-direction:column}
.plan.feature{border:2px solid var(--brand);box-shadow:var(--shadow);position:relative}
.plan .price{font-size:2.2rem;font-weight:700;font-family:Poppins;margin:6px 0}
.plan .price small{font-size:.9rem;color:var(--muted);font-weight:500}
.plan ul{list-style:none;padding:0;margin:16px 0 22px;flex:1}
.plan ul li{padding:7px 0 7px 26px;position:relative;font-size:.92rem;color:var(--ink-2)}
.plan ul li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:.72rem;font-weight:700;padding:5px 14px;border-radius:20px}
.region-toggle{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:30px;padding:4px;margin:0 auto 26px;gap:4px}
.region-toggle button{border:0;background:transparent;padding:8px 20px;border-radius:24px;cursor:pointer;font-weight:600;color:var(--ink-2)}
.region-toggle button.active{background:var(--brand);color:#fff}

/* forms / auth */
.auth-wrap{max-width:420px;margin:50px auto;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow-sm)}
.input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:.95rem;font-family:inherit;margin-bottom:12px;background:#fff}
.input:focus{outline:2px solid var(--brand-ghost);border-color:var(--brand)}
.err{background:#fef2f2;color:var(--danger);border:1px solid #fecaca;padding:10px 12px;border-radius:8px;font-size:.88rem;margin-bottom:12px}
.ok{background:#f0fdf4;color:var(--ok);border:1px solid #bbf7d0;padding:10px 12px;border-radius:8px;font-size:.88rem;margin-bottom:12px}

/* account */
.acct-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow-sm)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
.stat{background:var(--sand);border-radius:12px;padding:16px}
.stat b{font-size:1.5rem;font-family:Poppins}

/* how it works */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px}
.step .n{width:38px;height:38px;border-radius:10px;background:var(--brand-ghost);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-family:Poppins;margin-bottom:12px}

/* footer */
footer{background:var(--ink);color:#c7c9d1;padding:44px 0;margin-top:40px}
footer a{color:#c7c9d1}
footer a:hover{color:#fff}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 20px;border-radius:12px;box-shadow:var(--shadow);z-index:200;font-size:.9rem;opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-4px)}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}.hero-visual{display:none}
  .grid-3,.grid-4,.plans,.stat-row,.steps{grid-template-columns:1fr 1fr}
  .studio{grid-template-columns:1fr}.studio-side{border-right:0;border-bottom:1px solid var(--line)}
  .nav-links a:not(.btn){display:none}
}
@media(max-width:560px){.grid-3,.grid-4,.plans,.stat-row,.steps{grid-template-columns:1fr}}