/* ============================================================
   image-to-text.ai — design system
   Mobile-first, responsive, accessible.
   ============================================================ */
:root{
  --bg:#0b1020;
  --bg-soft:#0f1730;
  --ink:#0e1726;
  --paper:#ffffff;
  --muted:#5b6b86;
  --line:#e6ebf3;
  --brand:#4f46e5;
  --brand-2:#06b6d4;
  --brand-ink:#3730a3;
  --accent:#f59e0b;
  --ok:#10b981;
  --danger:#ef4444;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 10px 40px rgba(16,23,42,.10);
  --shadow-lg:0 24px 70px rgba(16,23,42,.18);
  --maxw:1160px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;color:var(--ink);margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3.5vw,2.1rem);font-weight:700;letter-spacing:-.01em}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1rem}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px;z-index:200}
.skip-link:focus{left:10px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.4rem;border-radius:12px;font-weight:600;font-size:1rem;
  border:1px solid transparent;cursor:pointer;transition:.18s;text-decoration:none;
  font-family:inherit}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  box-shadow:0 8px 24px rgba(79,70,229,.35)}
.btn-primary:hover{box-shadow:0 12px 30px rgba(79,70,229,.45);color:#fff}
.btn-secondary{background:#eef1fb;color:var(--brand-ink);border-color:#e0e4f5}
.btn-secondary:hover{background:#e6eaf8;color:var(--brand-ink)}
.btn-ghost{background:transparent;color:var(--muted);border-color:var(--line)}
.btn-ghost:hover{color:var(--ink);border-color:#c9d3e3}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;color:var(--ink);font-size:1.12rem}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-size:.85rem;font-weight:800}
.brand-dot{color:var(--brand)}
.site-nav{display:flex;align-items:center;gap:1.4rem}
.site-nav a{color:#384357;font-weight:500;font-size:.96rem}
.site-nav a:hover{color:var(--brand);text-decoration:none}
.nav-cta{background:var(--ink);color:#fff !important;padding:.5rem .95rem;border-radius:10px}
.nav-cta:hover{background:#1d2942}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ---------- Hero ---------- */
.hero{padding:clamp(2.5rem,6vw,4.5rem) 0;background:
  radial-gradient(1200px 500px at 80% -10%,rgba(6,182,212,.10),transparent),
  radial-gradient(900px 500px at 0% 0%,rgba(79,70,229,.10),transparent)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.eyebrow{display:inline-block;font-weight:700;color:var(--brand);text-transform:uppercase;
  letter-spacing:.08em;font-size:.78rem;margin-bottom:.6rem}
.grad{background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.hero-tagline{font-size:1.18rem;color:#3a465c;max-width:38ch}
.hero-points{list-style:none;padding:0;margin:1.2rem 0 0;display:flex;flex-wrap:wrap;gap:.6rem 1.2rem}
.hero-points li{position:relative;padding-left:1.6rem;color:#33405a;font-weight:500}
.hero-points li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:var(--brand)}

/* ---------- Converter widget ---------- */
.converter{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:1.4rem}
.dropzone{display:block;border:2px dashed #c9d3e8;border-radius:16px;background:#f8faff;
  padding:2.4rem 1.2rem;text-align:center;cursor:pointer;transition:.18s;position:relative}
.dropzone:hover,.dropzone.is-drag{border-color:var(--brand);background:#f2f5ff}
.dropzone:focus{outline:3px solid rgba(79,70,229,.3)}
.dz-icon{width:42px;height:42px;color:var(--brand);margin:0 auto .6rem}
.dz-title{font-weight:600;margin:0 0 .25rem}
.dz-title span{color:var(--brand);text-decoration:underline}
.dz-hint{font-size:.82rem;color:var(--muted);margin:0}
.file-list{list-style:none;margin:1rem 0 0;padding:0;text-align:left;display:grid;gap:.4rem}
.file-list li{display:flex;justify-content:space-between;align-items:center;gap:.5rem;
  background:#eef2fc;border-radius:8px;padding:.45rem .7rem;font-size:.85rem}
.file-list .remove{cursor:pointer;color:var(--muted);border:0;background:none;font-size:1rem}
.text-input{width:100%;border:1px solid var(--line);border-radius:12px;padding:1rem;
  font-family:inherit;font-size:1rem;resize:vertical;background:#f8faff}
.text-input:focus{outline:3px solid rgba(79,70,229,.25);border-color:var(--brand)}
.converter-options{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-top:1rem}
.opt label{display:block;font-size:.78rem;font-weight:600;color:var(--muted);margin-bottom:.3rem}
.opt select{width:100%;padding:.6rem .7rem;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-family:inherit;font-size:.95rem}
.convert-btn{margin-top:1.1rem;font-size:1.05rem;padding:1rem}
.converter-trust{text-align:center;font-size:.8rem;color:var(--muted);margin:.8rem 0 0}
.converter-error{margin-top:.9rem;background:#fdecec;color:var(--danger);border-radius:10px;
  padding:.7rem .9rem;font-size:.9rem;border:1px solid #f8c9c9}

/* ---------- Logos band ---------- */
.logos-band{padding:1.4rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fbfcfe}
.logos-band p{text-align:center;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;margin:0 0 .7rem}
.logos{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem 1.4rem}
.logos span{font-weight:700;color:#94a2bd;font-size:1rem}

/* ---------- Sections ---------- */
section{scroll-margin-top:80px}
.steps,.tools-showcase,.features,.longform,.latest-guides,.guides-section,.pricing,.related-tools,.faq{padding:clamp(2.4rem,5vw,4rem) 0}
.section-sub{color:var(--muted);max-width:60ch;margin:-.4rem 0 1.6rem}
.section-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:1.4rem}
.link-more{font-weight:600;white-space:nowrap}

/* Steps */
.step-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.step-list li{display:flex;gap:.9rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem}
.step-n{flex:none;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800}
.step-list h3{margin:.1rem 0 .3rem}
.step-list p{margin:0;color:var(--muted);font-size:.94rem}

/* Tool grid */
.tool-category{margin-bottom:2rem}
.tool-category h2,.tool-category h3{margin-bottom:1rem}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.9rem}
.tool-card{display:flex;flex-direction:column;gap:.25rem;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:1.1rem 1.2rem;transition:.18s;position:relative}
.tool-card:hover{text-decoration:none;border-color:#c7d0ec;box-shadow:var(--shadow);transform:translateY(-2px)}
.tool-card-name{font-weight:700;color:var(--ink)}
.tool-card-desc{font-size:.85rem;color:var(--muted)}
.tool-card-go{position:absolute;right:1rem;top:1rem;color:var(--brand);font-weight:700;opacity:0;transition:.18s}
.tool-card:hover .tool-card-go{opacity:1}

/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.feature{background:linear-gradient(180deg,#fff,#fbfcff);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem}
.feature h3{margin-bottom:.4rem}
.feature p{margin:0;color:var(--muted);font-size:.92rem}

/* ---------- Long-form / prose ---------- */
.longform{background:#fbfcfe;border-top:1px solid var(--line)}
.longform-inner{max-width:820px;margin:0 auto}
.prose{font-size:1.05rem;color:#2b3953}
.prose .lead{font-size:1.2rem;color:#1f2b44;font-weight:500}
.prose h2{margin-top:2rem}
.prose h3{margin-top:1.5rem}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1rem}
.prose li{margin:.35rem 0}
.prose table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:.55rem .7rem;text-align:left}
.prose th{background:#f1f4fb}
.prose pre{background:#0f1730;color:#dbe4ff;padding:1rem 1.1rem;border-radius:12px;overflow:auto;font-size:.86rem}
.prose code{background:#eef1fb;padding:.12rem .35rem;border-radius:5px;font-size:.9em}
.prose pre code{background:none;padding:0}
.prose blockquote{border-left:3px solid var(--brand);margin:1rem 0;padding:.2rem 0 .2rem 1rem;color:#46546f}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto}
.faq-list{display:grid;gap:.7rem}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 1.1rem}
.faq-item summary{cursor:pointer;list-style:none;font-weight:600;padding:1.05rem 0;display:flex;justify-content:space-between;gap:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--brand);font-weight:800;font-size:1.2rem}
.faq-item[open] summary::after{content:"–"}
.faq-answer{padding:0 0 1.1rem;color:var(--muted)}
.faq-answer p{margin:0}

/* ---------- Related ---------- */
.related-tools h2{margin-bottom:1rem}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--bg),#15203c);color:#fff;text-align:center;padding:clamp(2.6rem,6vw,4rem) 0;margin-top:1rem}
.cta-band h2{color:#fff}
.cta-band p{color:#b9c4dc;max-width:50ch;margin:0 auto 1.4rem}

/* ---------- Page hero ---------- */
.page-hero{padding:clamp(2.2rem,5vw,3.4rem) 0 1rem;background:
  radial-gradient(900px 400px at 80% -20%,rgba(6,182,212,.08),transparent)}

/* ---------- Articles ---------- */
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.1rem}
.article-card{display:flex;flex-direction:column;gap:.4rem;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:1.3rem;transition:.18s}
.article-card:hover{text-decoration:none;box-shadow:var(--shadow);transform:translateY(-2px);border-color:#c7d0ec}
.article-cat{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--brand)}
.article-card h3{margin:0}
.article-card p{margin:0;color:var(--muted);font-size:.92rem}
.article-meta{font-size:.8rem;color:#9aa6bd;margin-top:auto}
.guide-category{margin-bottom:2.4rem}
.empty-note{color:var(--muted)}

/* Article page */
.article-container{max-width:760px}
.article-header{margin:1rem 0 2rem}
.article-dek{font-size:1.18rem;color:#46546f}
.article-body{font-size:1.08rem}
.article-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin:2rem 0}
.tag{background:#eef1fb;color:var(--brand-ink);padding:.25rem .7rem;border-radius:999px;font-size:.8rem;font-weight:600}
.article-tools,.article-related{margin-top:2.4rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.article-related ul{padding-left:1.1rem}

/* ---------- Job / waiting page ---------- */
.job-page{padding:clamp(2rem,5vw,3.4rem) 20px;min-height:60vh}
.job-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:1.6rem;align-items:start}
.job-status-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:2rem;text-align:center}
.spinner{width:54px;height:54px;border-radius:50%;margin:0 auto 1.2rem;
  border:5px solid #e8ecf6;border-top-color:var(--brand);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.job-title{font-size:1.7rem;margin:.2rem 0}
.job-sub{color:var(--muted)}
.queue-meta{display:flex;justify-content:center;gap:2.4rem;margin:1.4rem 0 0}
.queue-stat{display:flex;flex-direction:column}
.queue-num{font-size:2rem;font-weight:800;color:var(--brand-ink)}
.queue-label{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.priority-badge{margin-top:1.2rem;display:inline-block;background:#fff7e6;color:#b45309;
  border:1px solid #fde2a7;border-radius:999px;padding:.45rem 1rem;font-weight:700;font-size:.9rem}

/* Upsell */
.upsell{background:linear-gradient(165deg,#fffdf7,#fff);border:1px solid #fde2a7;
  border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:1.6rem;position:relative;overflow:hidden}
.upsell::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;
  background:linear-gradient(90deg,var(--accent),#f97316)}
.upsell-tag{display:inline-block;background:#fff1d6;color:#b45309;font-weight:700;font-size:.72rem;
  text-transform:uppercase;letter-spacing:.07em;padding:.25rem .6rem;border-radius:999px;margin-bottom:.6rem}
.upsell h2{font-size:1.4rem;margin:0 0 .4rem}
.upsell p{color:#52617d;font-size:.95rem}
.upsell-points{list-style:none;padding:0;margin:1rem 0 1.2rem;display:grid;gap:.5rem}
.upsell-points li{font-size:.92rem;color:#33405a}
.upsell-fine{font-size:.8rem;color:var(--muted);text-align:center;margin:.7rem 0 0}
.upsell-error{margin-top:.8rem;color:var(--danger);font-size:.88rem;text-align:center}

/* Result */
.result-text-wrap{margin:1.4rem 0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.result-toolbar{display:flex;justify-content:space-between;align-items:center;background:#f7f9fe;
  padding:.6rem .9rem;border-bottom:1px solid var(--line);font-weight:600;font-size:.9rem}
.result-text{width:100%;border:0;min-height:240px;padding:1rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92rem;resize:vertical}
.result-text:focus{outline:none}
.result-downloads{display:flex;flex-wrap:wrap;gap:.7rem;margin:1rem 0}
.result-again{margin-top:1rem}
.job-result,.job-failed{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:2rem;max-width:780px}

/* ---------- Pricing ---------- */
.credits-balance{color:var(--muted)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.8rem;display:flex;flex-direction:column;position:relative}
.plan-featured{border-color:var(--brand);box-shadow:var(--shadow-lg)}
.plan-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;
  font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:.3rem .8rem;border-radius:999px}
.plan h2{margin-bottom:.2rem}
.plan-price{font-size:2.2rem;font-weight:800;margin:.3rem 0}
.plan-price span{font-size:.9rem;font-weight:500;color:var(--muted)}
.plan-tag{color:var(--muted);margin-bottom:1rem}
.plan ul{list-style:none;padding:0;margin:0 0 1.4rem;display:grid;gap:.55rem;flex:1}
.plan li{font-size:.94rem}
.plan-fine{font-size:.78rem;color:var(--muted);margin:.7rem 0 0;text-align:center}
.pricing-note{max-width:760px;margin-top:1rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg);color:#aeb9d2;margin-top:2rem;padding:3rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem}
.footer-brand .brand{color:#fff}.footer-brand .brand-dot{color:var(--brand-2)}
.footer-brand p{margin-top:.8rem;font-size:.9rem;max-width:34ch;color:#8d99b6}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:.8rem}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.footer-col a{color:#aeb9d2;font-size:.9rem}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #1d2742;margin-top:2rem;padding-top:1.2rem;font-size:.82rem;color:#7e8aa8}
.error-page{text-align:center}
.error-page h1{font-size:5rem}
.error-links{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap;margin-top:1rem}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:2rem}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .job-grid{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:1fr}
  .plan-featured{order:-1}
}
@media (max-width:760px){
  .nav-toggle{display:flex}
  .site-nav{position:fixed;inset:66px 0 auto 0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:.5rem 20px 1rem;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);transform:translateY(-130%);transition:.25s;visibility:hidden}
  .site-nav.open{transform:translateY(0);visibility:visible}
  .site-nav a{padding:.8rem 0;border-bottom:1px solid var(--line)}
  .nav-cta{text-align:center;margin-top:.6rem;border-bottom:0 !important}
  .step-list{grid-template-columns:1fr}
  .converter-options{grid-template-columns:1fr}
  .queue-meta{gap:1.4rem}
}
@media (max-width:480px){
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;gap:.4rem}
  .hero-points{flex-direction:column;gap:.4rem}
}