/* ==========================================================================
   nopdfupload.com — "The Filing Desk" design system
   Monochrome paper aesthetic, single red rubber-stamp accent.
   ========================================================================== */

:root {
  --paper: #FCFCFC;
  --paper-2: #EDEDED;
  --kraft: #C4C4C4;
  --ink: #111111;
  --ink-soft: #6E6E6E;
  --stamp-red: #B23A2E;
  --forest: #3D3D3D;
  --white: #FFFFFF;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-stamp: 'Special Elite', monospace;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-lg: 18px;
  --radius-md: 12px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { background: var(--paper) !important; color: var(--ink) !important; }
body {
  margin: 0; font-family: var(--font-body); line-height: 1.6; -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(rgba(17,17,17,0.03) 1px, transparent 1px);
  background-size: 4px 4px;
}
h1, h2, h3 { margin: 0 0 0.4em; font-weight: 800; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
.skip-link:focus { position: fixed; top: 1rem; left: 1rem; width: auto; height: auto; background: var(--stamp-red); color: white; padding: 0.75em 1.25em; border-radius: 8px; z-index: 999; clip: auto; font-weight: 700; }
:focus-visible { outline: 2px solid var(--stamp-red); outline-offset: 3px; }

.section-inner { max-width: 1180px; margin: 0 auto; padding: 4rem 1.5rem; }
.section-inner--narrow { max-width: 780px; }
.section-title { font-size: clamp(1.9rem, 3.5vw, 2.5rem); }

/* ---------- Header: folder-tab nav ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(252,252,252,0.92); backdrop-filter: blur(8px); border-bottom: 2px solid var(--ink); }
.site-header__inner { max-width: 1180px; margin: 0 auto; padding: 0.85rem 1.5rem 0; display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 0.6em; font-weight: 800; font-size: 1.02rem; padding-bottom: 0.85rem; }
.logo__mark { width: 32px; height: 32px; border-radius: 5px; background: var(--white); border: 2px solid var(--ink); display: flex; align-items: center; justify-content: center; font-size: 1rem; position: relative; }
.logo__mark::after { content: ''; position: absolute; top: -3px; right: -3px; width: 8px; height: 8px; border-radius: 50%; background: var(--stamp-red); }
.folder-tabs { display: none; gap: 0.4rem; flex-wrap: wrap; position: relative; }
@media (min-width: 780px) { .folder-tabs { display: flex; } }
.folder-tab-indicator {
  position: absolute; top: 2px; height: calc(100% - 2px); background: var(--paper);
  border: 2px solid var(--ink); border-bottom: none; border-radius: 8px 8px 0 0;
  transition: left 0.35s var(--ease), width 0.35s var(--ease); z-index: 0;
  opacity: 0; pointer-events: none;
}
.folder-tab-indicator.is-ready { opacity: 1; }
.folder-tab { font-family: var(--font-body); font-weight: 700; font-size: 0.86rem; color: var(--ink-soft); background: var(--paper-2); border: 2px solid var(--ink); border-bottom: none; padding: 0.6em 1.2em; border-radius: 8px 8px 0 0; position: relative; top: 2px; z-index: 1; }
.folder-tab--active { background: transparent; color: var(--ink); top: 0; padding-bottom: calc(0.6em + 2px); border-color: transparent; }
.header-cta { font-family: var(--font-body); font-weight: 700; font-size: 0.86rem; padding: 0.6em 1.2em; background: var(--stamp-red); color: white; border-radius: 6px; margin-bottom: 0.85rem; flex-shrink: 0; }

/* ---------- Language switcher (rendered by NoPDFUpload Multilingual plugin) ---------- */
.npu-lang-switcher { position: relative; margin-bottom: 0.85rem; }
.npu-lang-switcher__trigger { font-family: var(--font-body); font-weight: 700; font-size: 0.86rem; padding: 0.6em 1em; border-radius: 6px; border: 2px solid var(--ink); background: var(--white); cursor: pointer; }
.npu-lang-switcher__menu { position: absolute; top: calc(100% + 6px); right: 0; background: var(--white); border: 2px solid var(--ink); border-radius: 10px; min-width: 160px; max-height: 320px; overflow-y: auto; padding: 0.4rem; z-index: 60; box-shadow: 4px 5px 0 var(--kraft); }
.npu-lang-switcher__menu li { margin: 0; }
.npu-lang-switcher__menu a { display: block; padding: 0.5em 0.7em; border-radius: 6px; font-size: 0.88rem; }
.npu-lang-switcher__menu a:hover { background: var(--paper-2); }
.npu-lang-switcher__menu a[aria-current="true"] { font-weight: 700; color: var(--stamp-red); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 4.5rem 1.5rem 3rem; text-align: center; overflow: hidden; }
.hero__inner { max-width: 720px; margin: 0 auto; position: relative; }
.stamp-mark { display: inline-block; font-family: var(--font-stamp); font-size: 1.05rem; color: var(--stamp-red); border: 3px solid var(--stamp-red); border-radius: 8px; padding: 0.5em 1.1em; transform: rotate(-4deg); opacity: 0.9; margin-bottom: 1.75rem; box-shadow: 0 0 0 3px rgba(178,58,46,0.08); }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.1rem); max-width: 18ch; margin: 0 auto 0.6em; }
.hero h1 em { font-style: normal; color: var(--stamp-red); text-decoration: underline wavy; text-decoration-thickness: 2px; text-underline-offset: 6px; }
.hero p.sub { max-width: 50ch; margin: 0 auto 2.5rem; color: var(--ink-soft); font-size: 1.08rem; }

.tray { position: relative; max-width: 560px; margin: 0 auto; background: var(--white); border: 2px solid var(--ink); border-radius: var(--radius-lg); padding: 2.75rem 2rem 2.25rem; box-shadow: 8px 8px 0 var(--kraft); }
.tray--active { border-color: var(--stamp-red); }
.tray__icon { font-size: 2.2rem; margin-bottom: 0.75rem; }
.tray h3 { font-size: 1.1rem; margin-bottom: 0.4em; }
.tray p { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 0; }
.tray__note { display: inline-flex; align-items: center; gap: 0.5em; font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-soft); margin-top: 1.25rem; background: rgba(17,17,17,0.05); padding: 0.4em 0.9em; border-radius: 999px; }
.tray input[type="file"] { display: none; }
.tray__btn { display: inline-flex; align-items: center; gap: 0.5em; font-family: var(--font-body); font-weight: 700; font-size: 0.92rem; padding: 0.7em 1.5em; border-radius: 999px; border: none; background: var(--stamp-red); color: white; cursor: pointer; margin-top: 1rem; }
.tray__filename { font-family: var(--font-mono); font-size: 0.82rem; margin-top: 1rem; word-break: break-all; }

.hero__facts { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; margin-top: 2.5rem; }
.hero__fact { font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-soft); font-weight: 500; }
.hero__fact strong { color: var(--ink); }

/* ---------- Where PDFs live ---------- */
.contexts { padding: 4rem 1.5rem; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); background: var(--paper-2); }
.contexts__inner { max-width: 1080px; margin: 0 auto; text-align: center; }
.contexts p.eyebrow { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--stamp-red); margin-bottom: 0.75rem; font-weight: 700; }
.contexts h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); max-width: 22ch; margin-left: auto; margin-right: auto; }
.context-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2.75rem; }
@media (min-width: 700px) { .context-grid { grid-template-columns: repeat(3, 1fr); } }
.context-card { background: var(--white); border: 2px solid var(--ink); border-radius: var(--radius-md); padding: 1.5rem 1.1rem; text-align: left; }
.context-card__icon { font-size: 1.5rem; margin-bottom: 0.6rem; }
.context-card h3 { font-size: 0.98rem; margin-bottom: 0.3em; }
.context-card p { font-size: 0.84rem; color: var(--ink-soft); margin: 0; }

/* ---------- Tool grid ---------- */
.tools-section { padding: 4.5rem 1.5rem; }
.tools-inner { max-width: 1180px; margin: 0 auto; }
.tools-group { margin-top: 3rem; }
.tools-group:first-child { margin-top: 0; }
.tools-group__title { font-family: var(--font-stamp); font-size: 1.05rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.7em; transform: rotate(-0.4deg); }
.tools-group__title::after { content: ''; flex: 1; height: 2px; background: repeating-linear-gradient(90deg, var(--ink), var(--ink) 6px, transparent 6px, transparent 11px); opacity: 0.4; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.1rem; }
.tool-card { position: relative; display: flex; flex-direction: column; gap: 0.7rem; padding: 1.5rem 1.4rem 1.3rem; background: var(--white); border: 2px solid var(--ink); border-radius: var(--radius-md); clip-path: polygon(0 6px, 4px 0, 100% 0, 100% 100%, 0 100%); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease); }
.tool-card:hover { transform: translateY(-4px) rotate(-0.5deg); box-shadow: 5px 6px 0 var(--kraft); }
.tool-card__clip { position: absolute; top: -9px; right: 18px; width: 18px; height: 26px; border: 2.5px solid #9AA0A6; border-radius: 9px; border-bottom: none; opacity: 0.55; transform: rotate(6deg); }
.tool-card__icon { width: 38px; height: 38px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.tool-card__icon--red { background: rgba(178,58,46,0.1); }
.tool-card__icon--forest { background: rgba(17,17,17,0.06); }
.tool-card__icon--kraft { background: rgba(17,17,17,0.1); }
.tool-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0; }
.tool-card p { font-size: 0.86rem; color: var(--ink-soft); margin-bottom: 0; }
.tool-card__tag { align-self: flex-start; font-family: var(--font-mono); font-size: 0.66rem; color: var(--stamp-red); background: rgba(178,58,46,0.08); padding: 0.25em 0.55em; border-radius: 5px; margin-top: auto; }
.tool-card--soon { opacity: 0.55; cursor: default; pointer-events: none; }
.tool-card--soon .tool-card__tag { color: var(--ink-soft); background: rgba(17,17,17,0.06); }

/* ---------- Comparison, stamp-styled ---------- */
.compare-section { background: var(--ink); color: var(--paper); padding: 4.5rem 1.5rem; }
.compare-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.compare-inner h2 { font-size: clamp(1.7rem, 4vw, 2.3rem); color: var(--paper); }
.compare-inner p.lead { color: rgba(255,255,255,0.6); max-width: 56ch; margin: 0.75rem auto 2.75rem; }
.compare { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 700px) { .compare { grid-template-columns: 1fr 1fr; } }
.compare__col { padding: 1.75rem; border-radius: var(--radius-md); text-align: left; position: relative; }
.compare__col--them { background: rgba(255,255,255,0.04); border: 2px solid rgba(255,255,255,0.15); }
.compare__col--us { background: rgba(255,255,255,0.06); border: 2px solid var(--stamp-red); }
.compare__col-stamp { position: absolute; top: -14px; right: 20px; font-family: var(--font-stamp); font-size: 0.72rem; padding: 0.3em 0.7em; border-radius: 5px; transform: rotate(4deg); }
.compare__col--them .compare__col-stamp { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.5); border: 2px solid rgba(255,255,255,0.25); }
.compare__col--us .compare__col-stamp { background: var(--stamp-red); color: white; border: 2px solid var(--stamp-red); }
.compare__col h3 { font-size: 1rem; margin-bottom: 1rem; color: inherit; }
.compare__col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.compare__col li { font-size: 0.9rem; opacity: 0.85; }

/* ---------- Tool page shell (template-tool.php) ---------- */
.tool-page-hero { padding: 3rem 1.5rem 2.5rem; text-align: center; }
.tool-page-hero__inner { max-width: 640px; margin: 0 auto; }
.tool-page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); }
.tool-page-hero p.sub { color: var(--ink-soft); font-size: 1rem; max-width: 50ch; margin: 0 auto; }

.tool-workspace { max-width: 720px; margin: 0 auto; padding: 0 1.5rem 3rem; }
.tool-status { margin-top: 1.5rem; padding: 1rem 1.25rem; border-radius: var(--radius-md); border: 2px solid var(--ink); background: var(--white); font-family: var(--font-mono); font-size: 0.85rem; display: none; }
.tool-status--visible { display: block; }
.tool-status--error { border-color: var(--stamp-red); color: var(--stamp-red); }
.tool-result { margin-top: 1.5rem; text-align: center; }
.tool-result__download { display: inline-flex; align-items: center; gap: 0.6em; font-family: var(--font-body); font-weight: 700; font-size: 1rem; padding: 0.85em 1.8em; border-radius: 999px; background: var(--stamp-red); color: white; }

.tool-content { max-width: 720px; margin: 0 auto; padding: 0 1.5rem 4rem; color: var(--ink-soft); }
.tool-content h2 { font-size: 1.3rem; color: var(--ink); margin-top: 2em; }
.tool-content h2:first-child { margin-top: 0; }
.tool-content p { line-height: 1.7; }
.tool-content .faq-item { border: 2px solid rgba(17,17,17,0.1); border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: 0.75rem; background: var(--white); }
.tool-content .faq-item summary { cursor: pointer; font-weight: 700; color: var(--ink); list-style: none; display: flex; align-items: center; justify-content: space-between; }
.tool-content .faq-item summary::-webkit-details-marker { display: none; }
.tool-content .faq-item summary::after { content: '+'; font-size: 1.3rem; color: var(--stamp-red); }
.tool-content .faq-item[open] summary::after { content: '–'; }
.tool-content .faq-item div { padding-top: 0.75rem; }

.related-tools { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem 4rem; }
.related-tools h2 { font-family: var(--font-stamp); font-size: 1.05rem; margin-bottom: 1.25rem; }

/* ---------- Ad slots ---------- */
.ad-slot { margin: 2rem auto; max-width: 728px; }
.ad-slot--placeholder { display: flex; align-items: center; justify-content: center; height: 90px; border: 2px dashed var(--kraft); border-radius: var(--radius-md); color: var(--ink-soft); font-family: var(--font-mono); font-size: 0.78rem; background: rgba(17,17,17,0.02); }

/* ---------- Blog archive ---------- */
.blog-archive__header { max-width: 640px; margin-bottom: 2.5rem; }
.blog-archive__lead { color: var(--ink-soft); font-size: 1.02rem; margin-top: 0.5rem; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.blog-card {
  position: relative; display: flex; flex-direction: column; gap: 0.6rem;
  background: var(--white); border: 2px solid var(--ink); border-radius: var(--radius-md);
  padding: 1.4rem; clip-path: polygon(0 6px, 4px 0, 100% 0, 100% 100%, 0 100%);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.blog-card:hover { transform: translateY(-4px) rotate(-0.4deg); box-shadow: 5px 6px 0 var(--kraft); }
.blog-card__thumb { margin: -1.4rem -1.4rem 0.4rem; border-radius: 10px 10px 0 0; overflow: hidden; aspect-ratio: 16/9; }
.blog-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.blog-card__meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); margin: 0; }
.blog-card__title { font-size: 1.08rem; margin: 0; }
.blog-card__excerpt { font-size: 0.88rem; color: var(--ink-soft); margin: 0; }
.blog-pagination { margin-top: 3rem; display: flex; justify-content: center; gap: 1rem; }
.blog-pagination .page-numbers { font-family: var(--font-mono); font-size: 0.86rem; padding: 0.5em 0.9em; border-radius: 8px; border: 2px solid var(--ink); }
.blog-pagination .page-numbers.current { background: var(--stamp-red); color: white; border-color: var(--stamp-red); }

/* ---------- Single blog post ---------- */
.blog-post__meta { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-soft); margin-bottom: 0.5rem; }
.blog-post__thumb { margin: 1.5rem 0; border-radius: var(--radius-md); overflow: hidden; }
.blog-post__thumb img { width: 100%; display: block; }
.blog-post__nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 2px dashed var(--kraft); flex-wrap: wrap; }
.blog-post__nav-link { font-weight: 700; color: var(--stamp-red); font-size: 0.92rem; }

/* ---------- Generic page ---------- */
.generic-page { padding-top: 2rem; }
.generic-post__content { color: var(--ink-soft); }
.generic-post__content h2 { font-size: 1.4rem; margin-top: 2em; margin-bottom: 0.5em; color: var(--ink); }
.generic-post__content h2:first-child { margin-top: 0; }
.generic-post__content h3 { font-size: 1.1rem; margin-top: 1.6em; margin-bottom: 0.4em; color: var(--ink); }
.generic-post__content p { margin-bottom: 1.1em; line-height: 1.7; }
.generic-post__content ul, .generic-post__content ol { margin: 0 0 1.1em; padding-left: 1.4em; list-style: revert; }
.generic-post__content li { margin-bottom: 0.5em; line-height: 1.6; }
.generic-post__content a { color: var(--stamp-red); text-decoration: underline; text-underline-offset: 2px; }
.generic-post__content strong { color: var(--ink); }
.generic-post__content .npu-updated { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-soft); margin-bottom: 2.5em; }
.generic-post__content .faq-item { border: 2px solid rgba(17,17,17,0.1); border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: 0.75rem; background: var(--white); }
.generic-post__content .faq-item summary { cursor: pointer; font-weight: 700; color: var(--ink); list-style: none; display: flex; align-items: center; justify-content: space-between; }
.generic-post__content .faq-item summary::-webkit-details-marker { display: none; }
.generic-post__content .faq-item summary::after { content: '+'; font-size: 1.3rem; color: var(--stamp-red); }
.generic-post__content .faq-item[open] summary::after { content: '–'; }

/* ---------- Contact Form 7 ---------- */
.wpcf7-form { margin-top: 1.5rem; }
.wpcf7-form p { margin-bottom: 1.4rem; }
.wpcf7-form label { display: block; font-family: var(--font-body); font-weight: 700; font-size: 0.9rem; color: var(--ink) !important; margin-bottom: 0.5em; }
.wpcf7-form input[type="text"], .wpcf7-form input[type="email"], .wpcf7-form input[type="tel"], .wpcf7-form input[type="url"], .wpcf7-form textarea { width: 100%; padding: 0.85em 1em; border-radius: 10px; border: 2px solid rgba(17,17,17,0.1); background: var(--white); color: var(--ink); font-family: var(--font-body); font-size: 0.94rem; }
.wpcf7-form textarea { min-height: 160px; resize: vertical; }
.wpcf7-form input:focus, .wpcf7-form textarea:focus { outline: none; border-color: var(--stamp-red); }
.wpcf7-form input[type="submit"] { display: inline-flex; align-items: center; gap: 0.5em; font-family: var(--font-body); font-weight: 700; font-size: 1rem; padding: 0.9em 1.7em; border-radius: 999px; border: none !important; cursor: pointer; background: var(--stamp-red) !important; color: white !important; }
.wpcf7-not-valid-tip { color: var(--stamp-red); font-size: 0.84rem; margin-top: 0.4em; }
.wpcf7-response-output { margin-top: 1.5rem !important; padding: 1em 1.25em; border-radius: 10px; border: 2px solid rgba(17,17,17,0.1); font-size: 0.9rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--paper); }
.site-footer__inner { max-width: 1180px; margin: 0 auto; padding: 3.5rem 1.5rem 2rem; }
.site-footer__grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
@media (min-width: 720px) { .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; } }
.site-footer__col--brand { max-width: 320px; }
.site-footer__brand { display: flex; align-items: center; gap: 0.6em; margin-bottom: 0.9rem; }
.site-footer__brand .logo__mark { background: var(--ink); }
.site-footer__tagline { font-size: 0.9rem; opacity: 0.65; margin-bottom: 0; }
.site-footer__col-title { font-family: var(--font-stamp); font-size: 0.9rem; color: var(--stamp-red); margin: 0 0 1.1rem; }
.site-footer__list { display: flex; flex-direction: column; gap: 0.75rem; }
.site-footer__list a { font-size: 0.9rem; opacity: 0.75; }
.site-footer__list a:hover { opacity: 1; }
.site-footer__bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-top: 1.75rem; }
.site-footer__legal { opacity: 0.4; font-size: 0.78rem; margin: 0; }
.site-footer__top { width: 38px; height: 38px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.14) !important; background: rgba(255,255,255,0.04) !important; color: var(--paper) !important; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.site-footer__top:hover { background: var(--stamp-red) !important; border-color: transparent !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}