@import url("https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap"); /* ========================================================= PDF Ultra Pro — Design System Palette, type scale and components for a premium, glassmorphism PDF toolkit. Works in light + dark mode via the [data-theme] attribute on . ========================================================= */ :root { /* Brand gradient: violet -> cyan (distinct from the generic terracotta/cream or single-neon-on-black defaults) */ --grad-start: #6C4CF0; --grad-end: #3EE0E8; --accent: #6C4CF0; --accent-2: #3EE0E8; --success: #2ED8A7; --danger: #FF5C7C; --warning: #FFB020; --radius-sm: 10px; --radius-md: 16px; --radius-lg: 24px; --shadow-color: 240 40% 10%; --font-display: "Sora", "Segoe UI", sans-serif; --font-body: "Inter", "Segoe UI", sans-serif; --font-mono: "JetBrains Mono", "Courier New", monospace; --header-h: 72px; --container: 1180px; } /* ---------- Light theme (default) ---------- */ :root, [data-theme="light"] { --bg: #F7F8FC; --bg-elevated: #FFFFFF; --surface: rgba(255, 255, 255, 0.6); --surface-solid: #FFFFFF; --border: rgba(20, 22, 43, 0.08); --border-strong: rgba(20, 22, 43, 0.14); --text: #14162B; --text-muted: #585C78; --text-faint: #8589A8; --nav-bg: rgba(247, 248, 252, 0.72); --card-shadow: 0 10px 30px -12px hsl(var(--shadow-color) / 0.18); --hero-glow-a: rgba(108, 76, 240, 0.18); --hero-glow-b: rgba(62, 224, 232, 0.16); } /* ---------- Dark theme ---------- */ [data-theme="dark"] { --bg: #0B0E1A; --bg-elevated: #10132199; --surface: rgba(22, 25, 45, 0.55); --surface-solid: #131628; --border: rgba(232, 233, 243, 0.08); --border-strong: rgba(232, 233, 243, 0.16); --text: #E8E9F3; --text-muted: #A9ADC9; --text-faint: #6E7291; --nav-bg: rgba(11, 14, 26, 0.72); --card-shadow: 0 10px 30px -12px hsl(var(--shadow-color) / 0.6); --hero-glow-a: rgba(108, 76, 240, 0.35); --hero-glow-b: rgba(62, 224, 232, 0.28); } /* ---------- Reset ---------- */ *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; transition: background-color .25s ease, color .25s ease; } img { max-width: 100%; display: block; } a { color: inherit; text-decoration: none; } button { font: inherit; } ul { list-style: none; margin: 0; padding: 0; } h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.01em; } p { margin: 0 0 1em; color: var(--text-muted); } :focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; border-radius: 4px; } @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; } } .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; } .visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; } .skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 999; } .skip-link:focus { left: 0; } /* ---------- Buttons ---------- */ .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: .95rem; border: 1px solid transparent; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease; white-space: nowrap; } .btn:active { transform: translateY(1px) scale(.99); } .btn-primary { background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); color: #fff; box-shadow: 0 8px 24px -8px rgba(108,76,240,.55); } .btn-primary:hover { box-shadow: 0 10px 30px -6px rgba(108,76,240,.65); transform: translateY(-1px); } .btn-secondary { background: var(--surface); border-color: var(--border-strong); color: var(--text); backdrop-filter: blur(12px); } .btn-secondary:hover { border-color: var(--accent); color: var(--accent); } .btn-ghost { background: transparent; color: var(--text-muted); } .btn-ghost:hover { color: var(--text); } .btn-block { width: 100%; } .btn[disabled] { opacity: .5; cursor: not-allowed; transform: none !important; box-shadow: none !important; } .btn-sm { padding: 8px 14px; font-size: .85rem; } .btn-danger { background: rgba(255,92,124,.12); color: var(--danger); border-color: rgba(255,92,124,.3); } /* ---------- Glass surfaces ---------- */ .glass { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%); box-shadow: var(--card-shadow); } /* ---------- Header / Nav ---------- */ .site-header { position: sticky; top: 0; z-index: 100; background: var(--nav-bg); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); } .nav { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; max-width: var(--container); margin: 0 auto; padding: 0 24px; } .brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; } .brand-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; } .nav-links { display: flex; align-items: center; gap: 28px; } .nav-links a { font-weight: 500; color: var(--text-muted); font-size: .95rem; transition: color .15s; position: relative; } .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); } .nav-actions { display: flex; align-items: center; gap: 12px; } .theme-toggle { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border-strong); background: var(--surface); display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--text); } .nav-toggle { display: none; } @media (max-width: 860px) { .nav-links { position: fixed; inset: var(--header-h) 0 0 0; background: var(--bg); flex-direction: column; justify-content: flex-start; padding: 32px 24px; gap: 8px; transform: translateX(100%); transition: transform .25s ease; } .nav-links a { width: 100%; padding: 14px 4px; border-bottom: 1px solid var(--border); font-size: 1.05rem; } .nav-links.open { transform: translateX(0); } .nav-toggle { display: flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 10px; border: 1px solid var(--border-strong); background: var(--surface); cursor: pointer; color: var(--text); } } /* ---------- Hero ---------- */ .hero { position: relative; overflow: hidden; padding: 96px 0 72px; } .hero::before, .hero::after { content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%; filter: blur(90px); z-index: 0; pointer-events: none; } .hero::before { background: var(--hero-glow-a); top: -220px; left: -120px; } .hero::after { background: var(--hero-glow-b); bottom: -260px; right: -140px; } .hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; } .eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); background: rgba(108,76,240,.1); padding: 6px 14px; border-radius: 999px; margin-bottom: 18px; } .hero h1 { font-size: clamp(2.2rem, 4.4vw, 3.6rem); margin-bottom: .4em; } .hero h1 .grad { background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); -webkit-background-clip: text; background-clip: text; color: transparent; } .hero-lede { font-size: 1.15rem; max-width: 46ch; } .hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; } .hero-stats { display: flex; gap: 28px; margin-top: 40px; } .hero-stat b { display: block; font-family: var(--font-display); font-size: 1.5rem; } .hero-stat span { font-size: .82rem; color: var(--text-faint); } /* Signature element: stacked-pages illustration */ .page-stack { position: relative; width: 100%; max-width: 340px; margin: 0 auto; height: 380px; } .page-stack .sheet { position: absolute; inset: 0; margin: auto; width: 240px; height: 320px; background: var(--surface-solid); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--card-shadow); display: flex; flex-direction: column; padding: 20px; gap: 8px; transition: transform .4s cubic-bezier(.2,.8,.2,1); } .page-stack .sheet .ln { height: 8px; border-radius: 4px; background: var(--border-strong); } .page-stack .sheet .ln.w60 { width: 60%; } .page-stack .sheet .ln.w80 { width: 80%; } .page-stack .sheet:nth-child(1) { transform: rotate(-9deg) translate(-46px, 10px); z-index: 1; } .page-stack .sheet:nth-child(2) { transform: rotate(-2deg) translate(-8px, -4px); z-index: 2; } .page-stack .sheet:nth-child(3) { transform: rotate(6deg) translate(40px, 6px); z-index: 3; background: linear-gradient(160deg, var(--surface-solid), var(--surface-solid)); border-color: var(--accent); } .page-stack:hover .sheet:nth-child(1) { transform: rotate(-16deg) translate(-70px, 4px); } .page-stack:hover .sheet:nth-child(2) { transform: rotate(0deg) translate(0, -18px); } .page-stack:hover .sheet:nth-child(3) { transform: rotate(14deg) translate(64px, 0); } .page-stack .badge { position: absolute; top: 14px; right: 6px; z-index: 4; background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); color: #fff; font-size: .7rem; font-weight: 700; padding: 5px 10px; border-radius: 999px; } @media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; } .page-stack { order: -1; height: 260px; } } /* ---------- Sections ---------- */ .section { padding: 72px 0; } .section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; } .section-head h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); } .section-tight { padding: 40px 0; } /* ---------- Search ---------- */ .tool-search { position: relative; max-width: 560px; margin: 0 auto 40px; } .tool-search input { width: 100%; padding: 16px 20px 16px 48px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--surface-solid); color: var(--text); font-size: 1rem; } .tool-search svg { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: var(--text-faint); } /* ---------- Category pills ---------- */ .category-pills { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; } .pill { padding: 9px 18px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--surface); font-size: .88rem; font-weight: 600; color: var(--text-muted); cursor: pointer; } .pill.active, .pill:hover { color: #fff; background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); border-color: transparent; } /* ---------- Cards / grid ---------- */ .grid { display: grid; gap: 20px; } .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } @media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } } @media (max-width: 600px) { .grid-4, .grid-3 { grid-template-columns: 1fr; } } .feature-card, .tool-card { padding: 26px; border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--border); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; } .feature-card:hover, .tool-card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--card-shadow); } .card-icon { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; background: rgba(108,76,240,.12); color: var(--accent); } .feature-card h3, .tool-card h3 { font-size: 1.05rem; margin-bottom: 6px; } .feature-card p, .tool-card p { font-size: .92rem; margin-bottom: 0; } .tool-card { position: relative; display: block; } .tool-card .soon-badge { position: absolute; top: 16px; right: 16px; font-size: .68rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; background: rgba(255,176,32,.15); color: var(--warning); padding: 4px 9px; border-radius: 999px; } .tool-card .popular-badge { position: absolute; top: 16px; right: 16px; font-size: .68rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; background: rgba(46,216,167,.15); color: var(--success); padding: 4px 9px; border-radius: 999px; } /* ---------- Testimonials ---------- */ .testimonial { padding: 28px; border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--border); } .testimonial .stars { color: var(--warning); letter-spacing: 2px; margin-bottom: 10px; } .testimonial-author { display: flex; align-items: center; gap: 12px; margin-top: 16px; } .avatar { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: .85rem; } .testimonial-author small { color: var(--text-faint); } /* ---------- FAQ ---------- */ .faq-item { border-bottom: 1px solid var(--border); } .faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 4px; background: none; border: none; text-align: left; font-family: var(--font-display); font-weight: 600; font-size: 1rem; color: var(--text); cursor: pointer; } .faq-q .chev { transition: transform .2s ease; flex-shrink: 0; color: var(--text-faint); } .faq-item[open] .faq-q .chev { transform: rotate(180deg); } .faq-a { padding: 0 4px 20px; } details.faq-item > summary { list-style: none; } details.faq-item > summary::-webkit-details-marker { display: none; } /* ---------- Footer ---------- */ .site-footer { border-top: 1px solid var(--border); padding: 56px 0 28px; margin-top: 40px; } .footer-grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 32px; margin-bottom: 40px; } .footer-col h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); margin-bottom: 14px; } .footer-col a { display: block; padding: 6px 0; color: var(--text-muted); font-size: .92rem; } .footer-col a:hover { color: var(--accent); } .footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; border-top: 1px solid var(--border); font-size: .85rem; color: var(--text-faint); } .footer-social { display: flex; gap: 12px; } .footer-social a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-strong); display: flex; align-items: center; justify-content: center; } @media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } } /* ---------- Ad slots ---------- */ .ad-slot { display: flex; align-items: center; justify-content: center; border: 1px dashed var(--border-strong); border-radius: var(--radius-sm); color: var(--text-faint); font-size: .8rem; background: var(--surface); min-height: 90px; } .ad-banner { max-width: var(--container); margin: 32px auto; padding: 0 24px; } .ad-sidebar { min-height: 250px; } .ad-in-article { margin: 32px 0; } /* ---------- Tool workspace ---------- */ .tool-page { padding: 40px 0 80px; } .breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .85rem; color: var(--text-faint); margin-bottom: 28px; flex-wrap: wrap; } .breadcrumb a { color: var(--text-muted); } .breadcrumb a:hover { color: var(--accent); } .tool-header { text-align: center; max-width: 640px; margin: 0 auto 36px; } .tool-icon { width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 16px; background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); display: flex; align-items: center; justify-content: center; color: #fff; } .tool-app { max-width: 760px; margin: 0 auto; } .dropzone { border: 2px dashed var(--border-strong); border-radius: var(--radius-lg); padding: 48px 24px; text-align: center; cursor: pointer; transition: border-color .2s ease, background .2s ease; background: var(--surface); } .dropzone.dragover { border-color: var(--accent); background: rgba(108,76,240,.06); } .dropzone svg { color: var(--accent); margin-bottom: 12px; } .dropzone .dz-hint { font-size: .85rem; color: var(--text-faint); margin-top: 6px; } .dropzone input[type="file"] { display: none; } .file-list { display: flex; flex-direction: column; gap: 10px; margin: 20px 0; } .file-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--surface-solid); border: 1px solid var(--border); } .file-row .file-thumb { width: 40px; height: 40px; border-radius: 8px; background: rgba(108,76,240,.12); color: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; } .file-row .file-meta { flex: 1; min-width: 0; } .file-row .file-name { font-weight: 600; font-size: .92rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .file-row .file-size { font-size: .78rem; color: var(--text-faint); font-family: var(--font-mono); } .file-row .file-remove { background: none; border: none; color: var(--text-faint); cursor: pointer; padding: 6px; border-radius: 8px; } .file-row .file-remove:hover { color: var(--danger); background: rgba(255,92,124,.1); } .file-row.sortable-ghost { opacity: .4; } .file-row .drag-handle { cursor: grab; color: var(--text-faint); } .option-group { margin: 18px 0; } .option-group label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 8px; } .option-group .hint { font-size: .78rem; color: var(--text-faint); margin-top: 6px; } .option-group input[type="text"], .option-group input[type="number"], .option-group select, .option-group textarea { width: 100%; padding: 11px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--surface-solid); color: var(--text); font-family: var(--font-body); font-size: .95rem; } .option-group textarea { resize: vertical; min-height: 80px; } .option-row { display: flex; gap: 14px; flex-wrap: wrap; } .option-row > * { flex: 1; min-width: 140px; } .checkbox-row { display: flex; align-items: center; gap: 10px; } .checkbox-row input { width: 18px; height: 18px; } .range-row { display: flex; align-items: center; gap: 12px; } .range-row input[type="range"] { flex: 1; } .segmented { display: flex; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); overflow: hidden; } .segmented button { flex: 1; padding: 10px; background: var(--surface-solid); border: none; color: var(--text-muted); cursor: pointer; font-weight: 600; font-size: .85rem; } .segmented button.active { background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); color: #fff; } .progress-wrap { margin: 18px 0; } .progress-bar { height: 8px; border-radius: 999px; background: var(--border); overflow: hidden; } .progress-bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--grad-start), var(--grad-end)); width: 0%; transition: width .2s ease; } .progress-label { display: flex; justify-content: space-between; font-size: .78rem; color: var(--text-faint); margin-top: 6px; font-family: var(--font-mono); } .result-panel { text-align: center; padding: 32px 24px; } .result-panel .result-icon { width: 64px; height: 64px; border-radius: 50%; background: rgba(46,216,167,.14); color: var(--success); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; } .result-panel.error .result-icon { background: rgba(255,92,124,.14); color: var(--danger); } .result-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 18px; } .thumb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 12px; margin: 20px 0; } .thumb-card { position: relative; border-radius: 10px; overflow: hidden; border: 2px solid var(--border); background: var(--surface-solid); cursor: grab; } .thumb-card.selected { border-color: var(--accent); } .thumb-card img, .thumb-card canvas { width: 100%; display: block; } .thumb-card .thumb-num { position: absolute; bottom: 4px; right: 4px; background: rgba(0,0,0,.6); color: #fff; font-size: .7rem; padding: 1px 6px; border-radius: 6px; } .thumb-card .thumb-check { position: absolute; top: 6px; left: 6px; width: 20px; height: 20px; } .thumb-card .thumb-rotate { position: absolute; top: 6px; right: 6px; background: rgba(0,0,0,.55); color: #fff; border: none; width: 22px; height: 22px; border-radius: 6px; cursor: pointer; display: flex; align-items: center; justify-content: center; } .alert { padding: 14px 16px; border-radius: var(--radius-sm); font-size: .9rem; margin: 14px 0; border: 1px solid transparent; } .alert-error { background: rgba(255,92,124,.1); color: var(--danger); border-color: rgba(255,92,124,.25); } .alert-info { background: rgba(62,224,232,.1); color: #1a9aa0; border-color: rgba(62,224,232,.25); } [data-theme="dark"] .alert-info { color: var(--accent-2); } .alert-warning { background: rgba(255,176,32,.1); color: #a06600; border-color: rgba(255,176,32,.3); } [data-theme="dark"] .alert-warning { color: var(--warning); } .spinner { width: 20px; height: 20px; border-radius: 50%; border: 2.5px solid rgba(255,255,255,.35); border-top-color: #fff; animation: spin .7s linear infinite; display: inline-block; } @keyframes spin { to { transform: rotate(360deg); } } /* ---------- Simple static pages ---------- */ .prose { max-width: 760px; margin: 0 auto; } .prose h2 { margin-top: 1.6em; font-size: 1.4rem; } .prose ul { list-style: disc; padding-left: 1.4em; margin-bottom: 1em; } .prose li { color: var(--text-muted); margin-bottom: .4em; } .page-hero { padding: 56px 0 20px; text-align: center; } .page-hero h1 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); } .contact-form .option-group { text-align: left; } .blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; } @media (max-width: 760px) { .blog-grid { grid-template-columns: 1fr; } } .blog-card { border-radius: var(--radius-md); overflow: hidden; background: var(--surface); border: 1px solid var(--border); } .blog-card .blog-cover { height: 150px; background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); } .blog-card .blog-body { padding: 20px; } .blog-card time { font-size: .78rem; color: var(--text-faint); font-family: var(--font-mono); } .error-page { min-height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 40px 24px; } .error-code { font-family: var(--font-display); font-size: clamp(4rem, 12vw, 8rem); background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; } /* Utility */ .mt-0 { margin-top: 0; } .text-center { text-align: center; } .flex { display: flex; } .items-center { align-items: center; } .gap-8 { gap: 8px; } .gap-12 { gap: 12px; }