/* =============================================
   Inkswell — AI Wall Art Store
   css/styles.css
   ============================================= */

*{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#f5f3ff;
  --bg2:#ede9ff;
  --surface:#ffffff;
  --ink:#1a1528;
  --muted:#7b6fa0;
  --border:#ddd7f5;
  --blue:#a8c8f0;
  --blue-light:#daeeff;
  --pink:#f0a8c8;
  --pink-light:#fde4f0;
  --purple:#9b7fe8;
  --purple-light:#e4d9ff;
  --purple-mid:#c3adf5;
  --accent:#7c5ce8;
  --accent2:#e8458c;
  --radius:10px;
  --radius-sm:6px;
  --display:'Syne',system-ui,sans-serif;
  --body:'Plus Jakarta Sans',system-ui,sans-serif;
}

body{font-family:var(--body);background:var(--bg);color:var(--ink);min-height:100vh}

/* NAV */
nav{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 3rem;border-bottom:1px solid var(--border);background:rgba(245,243,255,0.85);backdrop-filter:blur(12px);position:sticky;top:0;z-index:100}
.nav-logo{font-family:var(--display);font-size:1.35rem;font-weight:600;letter-spacing:-0.02em;cursor:pointer;color:var(--ink)}
.nav-logo span{color:var(--accent)}
.nav-links{display:flex;gap:2rem;font-size:0.8rem;font-weight:500;letter-spacing:0.06em;text-transform:uppercase}
.nav-links a{color:var(--muted);cursor:pointer;text-decoration:none;transition:color 0.2s}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:1rem}
.cart-btn{display:flex;align-items:center;gap:0.5rem;font-size:0.8rem;font-weight:500;cursor:pointer;padding:0.5rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:40px;transition:all 0.2s;color:var(--ink)}
.cart-btn:hover{border-color:var(--purple-mid);background:var(--purple-light)}
.cart-count{background:var(--accent);color:#fff;border-radius:50%;width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-size:0.65rem;font-weight:600}

/* HERO */
.hero{padding:5rem 3rem 4rem;display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center;max-width:1200px;margin:0 auto}
.hero-eyebrow{display:inline-flex;align-items:center;gap:0.5rem;background:var(--purple-light);color:var(--accent);font-size:0.75rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;padding:0.4rem 0.9rem;border-radius:40px;margin-bottom:1.5rem;border:1px solid var(--border)}
.hero-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.3}}
.hero-text h1{font-family:var(--display);font-size:3.4rem;line-height:1.1;font-weight:600;letter-spacing:-0.03em;margin-bottom:1.25rem;color:var(--ink)}
.hero-text h1 .grad{background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text p{color:var(--muted);font-size:1rem;line-height:1.75;margin-bottom:2rem;font-weight:400}
.hero-cta{display:flex;gap:0.75rem;flex-wrap:wrap}
.btn-primary{padding:0.8rem 1.75rem;background:var(--accent);color:#fff;border:none;font-family:var(--body);font-size:0.85rem;font-weight:600;letter-spacing:0.03em;cursor:pointer;border-radius:40px;transition:all 0.2s;box-shadow:0 4px 20px rgba(124,92,232,0.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 28px rgba(124,92,232,0.4)}
.btn-secondary{padding:0.8rem 1.75rem;background:var(--surface);color:var(--ink);border:1px solid var(--border);font-family:var(--body);font-size:0.85rem;font-weight:500;cursor:pointer;border-radius:40px;transition:all 0.2s}
.btn-secondary:hover{border-color:var(--purple-mid);background:var(--purple-light)}
.hero-stats{display:flex;gap:2rem;margin-top:2.5rem}
.stat{text-align:left}
.stat-num{font-family:var(--display);font-size:1.4rem;font-weight:600;color:var(--ink);letter-spacing:-0.02em}
.stat-label{font-size:0.75rem;color:var(--muted);margin-top:0.1rem}
.hero-preview{position:relative}
.hero-frame{background:linear-gradient(135deg,var(--blue-light),var(--pink-light),var(--purple-light));border:1px solid var(--border);border-radius:20px;overflow:hidden;aspect-ratio:4/5;display:flex;align-items:center;justify-content:center}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-frame-placeholder{text-align:center;padding:2rem;color:var(--muted)}
.hero-frame-placeholder .ph-icon{font-size:2.5rem;margin-bottom:1rem;opacity:0.4}
.hero-frame-placeholder p{font-family:var(--display);font-size:1rem;font-weight:500;color:var(--muted)}
.hero-badge{position:absolute;bottom:-14px;right:24px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:0.75rem 1rem;display:flex;align-items:center;gap:0.6rem;box-shadow:0 4px 20px rgba(124,92,232,0.1)}
.badge-dot{width:8px;height:8px;background:#22c55e;border-radius:50%}
.badge-text{font-size:0.75rem;font-weight:500;color:var(--ink)}

/* GENERATOR */
.generator-section{background:linear-gradient(160deg,#1a1035 0%,#21163d 60%,#1a2040 100%);color:#fff;padding:5rem 3rem}
.gen-inner{max-width:820px;margin:0 auto;text-align:center}
.gen-eyebrow{display:inline-block;background:rgba(195,173,245,0.15);color:var(--purple-mid);font-size:0.75rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;padding:0.4rem 0.9rem;border-radius:40px;border:1px solid rgba(195,173,245,0.2);margin-bottom:1.25rem}
.gen-inner h2{font-family:var(--display);font-size:2.6rem;font-weight:600;letter-spacing:-0.03em;margin-bottom:0.75rem;line-height:1.15}
.gen-inner h2 span{color:var(--purple-mid)}
.gen-inner .sub{color:rgba(255,255,255,0.45);font-size:0.95rem;font-weight:400;margin-bottom:2.5rem}
.style-pills{display:flex;gap:0.5rem;flex-wrap:wrap;justify-content:center;margin-bottom:2rem}
.style-pill{padding:0.4rem 1rem;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:40px;font-size:0.78rem;font-weight:500;cursor:pointer;color:rgba(255,255,255,0.5);transition:all 0.2s}
.style-pill:hover{border-color:rgba(195,173,245,0.4);color:var(--purple-mid)}
.style-pill.active{border-color:var(--purple-mid);color:var(--purple-mid);background:rgba(195,173,245,0.1)}
.prompt-bar{display:flex;border:1px solid rgba(195,173,245,0.25);border-radius:14px;overflow:hidden;background:rgba(255,255,255,0.06);margin-bottom:1.5rem}
.prompt-input{flex:1;background:transparent;border:none;padding:1.1rem 1.25rem;color:#fff;font-family:var(--body);font-size:0.95rem;font-weight:400;outline:none}
.prompt-input::placeholder{color:rgba(255,255,255,0.3)}
.prompt-submit{padding:1rem 1.75rem;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:none;font-family:var(--body);font-size:0.8rem;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;cursor:pointer;transition:opacity 0.2s;white-space:nowrap}
.prompt-submit:hover{opacity:0.9}
.prompt-submit:disabled{opacity:0.4;cursor:not-allowed}
.gen-result{margin-top:2rem}
.gen-image-wrap{background:rgba(255,255,255,0.04);border:1px solid rgba(195,173,245,0.15);border-radius:16px;overflow:hidden;aspect-ratio:4/5;max-width:380px;margin:0 auto 1.5rem;display:flex;align-items:center;justify-content:center;position:relative}
.gen-image-wrap img{width:100%;height:100%;object-fit:cover}
.gen-loading{display:flex;flex-direction:column;align-items:center;gap:1rem;color:rgba(255,255,255,0.4)}
.gen-spinner{width:32px;height:32px;border:2px solid rgba(195,173,245,0.15);border-top-color:var(--purple-mid);border-radius:50%;animation:spin 0.8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.size-select-wrap{display:flex;gap:0.5rem;justify-content:center;margin-bottom:1.25rem;flex-wrap:wrap}
.size-opt{padding:0.4rem 1rem;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:40px;font-size:0.78rem;font-weight:500;cursor:pointer;color:rgba(255,255,255,0.5);transition:all 0.2s}
.size-opt.active{border-color:var(--purple-mid);color:var(--purple-mid);background:rgba(195,173,245,0.1)}
.gen-price{font-family:var(--display);font-size:1.6rem;font-weight:600;letter-spacing:-0.02em;margin-bottom:1rem;color:#fff}
.gen-actions{display:flex;gap:0.75rem;justify-content:center;flex-wrap:wrap}
.btn-add-cart{padding:0.8rem 2rem;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:none;font-family:var(--body);font-size:0.85rem;font-weight:600;letter-spacing:0.03em;cursor:pointer;border-radius:40px;transition:all 0.2s;box-shadow:0 4px 20px rgba(124,92,232,0.4)}
.btn-add-cart:hover{transform:translateY(-1px);opacity:0.92}
.btn-regen{padding:0.8rem 1.5rem;background:rgba(255,255,255,0.06);color:rgba(255,255,255,0.6);border:1px solid rgba(255,255,255,0.12);font-family:var(--body);font-size:0.85rem;font-weight:500;cursor:pointer;border-radius:40px;transition:all 0.2s}
.btn-regen:hover{border-color:rgba(195,173,245,0.4);color:var(--purple-mid)}
.api-note{font-size:0.72rem;color:rgba(255,255,255,0.2);margin-top:1.5rem;line-height:1.6}

/* HOW IT WORKS */
.how-section{padding:5rem 3rem;background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.how-inner{max-width:1000px;margin:0 auto;text-align:center}
.section-eyebrow{display:inline-block;background:var(--purple-light);color:var(--accent);font-size:0.72rem;font-weight:600;letter-spacing:0.07em;text-transform:uppercase;padding:0.35rem 0.85rem;border-radius:40px;margin-bottom:1rem;border:1px solid var(--border)}
.how-inner h2{font-family:var(--display);font-size:2rem;font-weight:600;letter-spacing:-0.03em;margin-bottom:3rem;color:var(--ink)}
.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.how-step{text-align:center;padding:2rem;background:var(--bg);border:1px solid var(--border);border-radius:16px}
.step-icon{width:48px;height:48px;border-radius:14px;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;font-size:1.25rem}
.step-icon.blue{background:var(--blue-light)}
.step-icon.pink{background:var(--pink-light)}
.step-icon.purple{background:var(--purple-light)}
.step-title{font-family:var(--display);font-size:0.95rem;font-weight:600;margin-bottom:0.5rem;color:var(--ink)}
.step-desc{color:var(--muted);font-size:0.82rem;line-height:1.65;font-weight:400}

/* GALLERY */
.gallery-section{padding:5rem 3rem;max-width:1200px;margin:0 auto}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2.5rem}
.section-header-left h2{font-family:var(--display);font-size:1.8rem;font-weight:600;letter-spacing:-0.03em;color:var(--ink)}
.section-header-left p{color:var(--muted);font-size:0.85rem;margin-top:0.25rem}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.25rem}
.gallery-item{cursor:pointer}
.gallery-frame{background:linear-gradient(135deg,var(--blue-light),var(--purple-light));border:1px solid var(--border);border-radius:14px;overflow:hidden;aspect-ratio:4/5;position:relative;transition:transform 0.3s,box-shadow 0.3s}
.gallery-frame:hover{transform:translateY(-5px);box-shadow:0 12px 32px rgba(124,92,232,0.15)}
.gallery-frame img{width:100%;height:100%;object-fit:cover}
.gallery-frame .overlay{position:absolute;inset:0;background:rgba(26,21,40,0);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0.5rem;transition:background 0.3s}
.gallery-frame:hover .overlay{background:rgba(26,21,40,0.6)}
.overlay-btn{opacity:0;transform:translateY(8px);transition:all 0.25s;padding:0.6rem 1.5rem;background:#fff;color:var(--ink);border:none;font-family:var(--body);font-size:0.78rem;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;cursor:pointer;border-radius:40px}
.gallery-frame:hover .overlay-btn{opacity:1;transform:translateY(0)}
.gallery-meta{padding:0.75rem 0.25rem}
.gallery-title{font-size:0.875rem;font-weight:500;margin-bottom:0.2rem;color:var(--ink)}
.gallery-price{font-size:0.8rem;color:var(--muted)}

/* CART DRAWER */
.cart-overlay{position:fixed;inset:0;background:rgba(26,21,40,0.45);z-index:200;opacity:0;pointer-events:none;transition:opacity 0.3s}
.cart-overlay.open{opacity:1;pointer-events:all}
.cart-drawer{position:fixed;right:0;top:0;bottom:0;width:420px;background:var(--surface);border-left:1px solid var(--border);z-index:201;transform:translateX(100%);transition:transform 0.35s cubic-bezier(0.4,0,0.2,1);display:flex;flex-direction:column}
.cart-drawer.open{transform:translateX(0)}
.cart-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;border-bottom:1px solid var(--border)}
.cart-header h3{font-family:var(--display);font-weight:600;font-size:1.15rem;letter-spacing:-0.02em;color:var(--ink)}
.cart-close{background:var(--bg);border:1px solid var(--border);cursor:pointer;font-size:1rem;color:var(--muted);padding:0.35rem 0.6rem;border-radius:8px;line-height:1;transition:all 0.2s}
.cart-close:hover{background:var(--bg2)}
.cart-items{flex:1;overflow-y:auto;padding:1.5rem}
.cart-item{display:flex;gap:1rem;margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border)}
.cart-item:last-child{border-bottom:none}
.cart-thumb{width:68px;height:85px;object-fit:cover;border-radius:10px;background:var(--bg2);flex-shrink:0}
.cart-item-info{flex:1}
.cart-item-title{font-size:0.875rem;font-weight:500;margin-bottom:0.2rem;color:var(--ink)}
.cart-item-sub{font-size:0.78rem;color:var(--muted);margin-bottom:0.5rem}
.cart-item-price{font-size:0.875rem;font-weight:600;color:var(--ink)}
.cart-item-remove{background:none;border:none;color:var(--muted);cursor:pointer;font-size:0.72rem;text-decoration:underline;margin-top:0.25rem;display:block}
.cart-footer{padding:1.5rem;border-top:1px solid var(--border)}
.cart-total{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:1rem}
.cart-total span:first-child{color:var(--muted);font-size:0.8rem;text-transform:uppercase;letter-spacing:0.06em;font-weight:500}
.cart-total span:last-child{font-family:var(--display);font-size:1.3rem;font-weight:600;letter-spacing:-0.02em}
.btn-checkout{width:100%;padding:1rem;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:none;font-family:var(--body);font-size:0.85rem;font-weight:600;letter-spacing:0.03em;cursor:pointer;border-radius:40px;transition:opacity 0.2s;box-shadow:0 4px 20px rgba(124,92,232,0.3)}
.btn-checkout:hover{opacity:0.9}
.cart-empty{text-align:center;padding:3rem 1rem;color:var(--muted)}
.cart-empty p{font-family:var(--display);font-size:1rem;font-weight:500;margin-bottom:0.5rem}
.cart-empty small{font-size:0.8rem}

/* TOAST */
.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(120%);background:var(--ink);color:#fff;padding:0.8rem 1.5rem;border-radius:40px;font-size:0.85rem;font-weight:500;z-index:300;transition:transform 0.4s cubic-bezier(0.4,0,0.2,1);opacity:0;pointer-events:none;}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1;pointer-events:auto;}

/* FOOTER */
footer{background:var(--ink);color:rgba(255,255,255,0.35);padding:3rem;text-align:center;font-size:0.8rem;font-weight:400;letter-spacing:0.02em}
footer .footer-logo{font-family:var(--display);font-size:1.25rem;font-weight:600;color:#fff;margin-bottom:0.75rem;letter-spacing:-0.02em}
footer .footer-logo span{color:var(--purple-mid)}

/* RESPONSIVE */
@media(max-width:768px){
  nav{padding:1rem 1.5rem}
  .nav-links{display:none}
  .hero{grid-template-columns:1fr;padding:3rem 1.5rem 2rem;gap:2.5rem}
  .hero-text h1{font-size:2.4rem}
  .hero-stats{gap:1.5rem}
  .generator-section{padding:3rem 1.5rem}
  .gallery-section{padding:3rem 1.5rem}
  .how-section{padding:3rem 1.5rem}
  .how-steps{grid-template-columns:1fr}
  .cart-drawer{width:100vw}
}