/* ========================================================== TatvaCalc — Base Styles System fonts, no external loads, ~10KB minified. Theme colors injected via CSS variables in . ========================================================== */ *, *::before, *::after { box-sizing: border-box; } :root { --max-w: 1180px; --radius: 14px; --radius-sm: 10px; --radius-lg: 22px; --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06); --shadow-md: 0 4px 12px rgba(15,23,42,.06), 0 2px 4px rgba(15,23,42,.04); --shadow-lg: 0 12px 32px rgba(15,23,42,.08), 0 4px 12px rgba(15,23,42,.04); --gap-1: .5rem; --gap-2: 1rem; --gap-3: 1.5rem; --gap-4: 2rem; --gap-5: 3rem; --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; --font-mono: ui-monospace, SFMono-Regular, "Menlo", monospace; --transition: all .15s ease; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; } body { margin: 0; font-family: var(--font-sans); font-size: 16px; line-height: 1.6; color: var(--color-text); background: var(--color-bg); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } img, svg { max-width: 100%; height: auto; display: block; } a { color: var(--color-primary-strong, var(--color-text)); text-decoration: none; transition: var(--transition); } a:hover { text-decoration: underline; text-underline-offset: 3px; } h1, h2, h3, h4, h5 { color: var(--color-text); line-height: 1.25; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; } h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -.02em; } h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); } h3 { font-size: 1.25rem; } h4 { font-size: 1.05rem; } p { margin: 0 0 1em; } ul, ol { padding-left: 1.4em; margin: 0 0 1em; } li { margin-bottom: .35em; } .muted { color: var(--color-muted); } .center { text-align: center; } /* ---------- LAYOUT ---------- */ .container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.25rem; } .section { padding: 3rem 0; } .section-sm { padding: 2rem 0; } /* ---------- HEADER ---------- */ .site-header { background: var(--color-bg); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(180%) blur(8px); } .nav { display: flex; align-items: center; justify-content: space-between; padding: .9rem 0; gap: 1rem; } .brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 800; font-size: 1.2rem; color: var(--color-text); text-decoration: none; letter-spacing: -.02em; } .brand:hover { text-decoration: none; } .brand-mark { width: 36px; height: 36px; border-radius: 10px; background: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 1.05rem; } .brand-mark img { width: 100%; height: 100%; object-fit: contain; border-radius: 10px; } .nav-menu { display: flex; align-items: center; gap: 1.25rem; } .nav-item { position: relative; } .nav-link { display: inline-flex; align-items: center; gap: .25rem; color: var(--color-text); font-size: .95rem; font-weight: 500; padding: .35rem 0; text-decoration: none; } .nav-link:hover { color: var(--color-primary-strong); text-decoration: none; } .nav-caret { transition: transform .15s ease; opacity: .55; } /* dropdown — desktop hover */ .nav-dropdown { position: absolute; top: calc(100% + .35rem); left: -.6rem; min-width: 280px; max-width: 340px; background: var(--color-card); border: 1px solid var(--color-border); border-radius: 12px; box-shadow: var(--shadow-lg); padding: .5rem; display: none; z-index: 60; } .nav-dropdown a { display: block; padding: .55rem .75rem; font-size: .9rem; font-weight: 500; border-radius: 8px; color: var(--color-text); text-decoration: none; line-height: 1.35; } .nav-dropdown a:hover { background: var(--color-secondary); color: var(--color-primary-strong); text-decoration: none; } .nav-dropdown-all { margin-top: .25rem; padding-top: .65rem !important; border-top: 1px solid var(--color-border); font-size: .82rem !important; color: var(--color-primary-strong) !important; font-weight: 600 !important; } .nav-item.has-dropdown:hover > .nav-dropdown, .nav-item.has-dropdown:focus-within > .nav-dropdown, .nav-item.has-dropdown.open > .nav-dropdown { display: block; } .nav-item.has-dropdown:hover .nav-caret, .nav-item.has-dropdown.open .nav-caret { transform: rotate(180deg); } /* mobile-only toggle button — hidden on desktop */ .nav-dropdown-toggle { display: none; } .nav-toggle { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; color: var(--color-text); } .nav-toggle svg { width: 24px; height: 24px; } @media (max-width: 800px) { .nav-toggle { display: inline-flex; } .nav-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-bg); border-bottom: 1px solid var(--color-border); flex-direction: column; align-items: stretch; padding: .75rem 1.25rem; gap: 0; max-height: calc(100vh - 64px); overflow-y: auto; } .nav-menu.open { display: flex; } .nav-item { width: 100%; } .nav-link { flex: 1; padding: .8rem .5rem; border-radius: 8px; font-size: 1rem; } .nav-link:hover { background: var(--color-secondary); } .nav-caret { display: none; } .nav-item.has-dropdown { display: flex; flex-wrap: wrap; align-items: center; border-bottom: 1px solid var(--color-border); } .nav-item.has-dropdown:last-child { border-bottom: 0; } .nav-item.has-dropdown > .nav-link { width: auto; } .nav-dropdown-toggle { display: inline-flex; align-items: center; justify-content: center; background: transparent; border: 0; cursor: pointer; padding: .55rem .75rem; color: var(--color-muted); border-radius: 8px; } .nav-dropdown-toggle:hover { background: var(--color-secondary); color: var(--color-text); } .nav-dropdown-toggle svg { transition: transform .15s ease; } .nav-item.has-dropdown.open .nav-dropdown-toggle svg { transform: rotate(180deg); } .nav-dropdown { position: static; display: none; width: 100%; min-width: 0; max-width: none; box-shadow: none; border: 0; background: transparent; padding: 0 0 .75rem .75rem; margin: 0; } .nav-item.has-dropdown.open .nav-dropdown { display: block; } .nav-dropdown a { padding: .55rem .75rem; font-size: .9rem; } } /* ---------- HERO ---------- */ .hero { padding: 3.5rem 0 2.5rem; background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-bg) 100%); } .hero-inner { max-width: 760px; margin: 0 auto; text-align: center; } .hero h1 { margin-bottom: .5em; } .hero p.lead { font-size: 1.15rem; color: var(--color-muted); margin-bottom: 1.5rem; } p.lead { font-size: 1.15rem; color: var(--color-muted); line-height: 1.6; } .hero-search { display: flex; gap: .5rem; max-width: 560px; margin: 0 auto; } .hero-search input { flex: 1; padding: .9rem 1.1rem; border-radius: var(--radius); border: 1px solid var(--color-border); background: #fff; font-size: 1rem; font-family: inherit; color: var(--color-text); } .hero-search input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft); } /* ---------- BUTTONS ---------- */ .btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .75rem 1.4rem; border-radius: var(--radius); font-weight: 600; font-size: .95rem; cursor: pointer; border: 1px solid transparent; transition: var(--transition); font-family: inherit; line-height: 1; } .btn-primary { background: var(--color-primary); color: #fff; } .btn-primary:hover { background: var(--color-primary-strong); text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow-md); } .btn-ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); } .btn-ghost:hover { background: var(--color-secondary); text-decoration: none; } .btn-accent { background: var(--color-accent); color: var(--color-text); } .btn-accent:hover { background: var(--color-accent-strong); text-decoration: none; } .btn-block { width: 100%; } .btn-lg { padding: 1rem 1.6rem; font-size: 1.05rem; } /* ---------- CARDS / GRIDS ---------- */ .grid { display: grid; gap: 1.25rem; } .grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); } .grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); } .grid-2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); } .card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.4rem; transition: var(--transition); } .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--color-primary-soft-strong); } .card a { color: var(--color-text); text-decoration: none; } .tool-card { display: flex; flex-direction: column; gap: .5rem; } .tool-card .badge { display: inline-block; font-size: .7rem; font-weight: 600; padding: .2rem .6rem; border-radius: 999px; background: var(--color-secondary); color: var(--color-primary-strong); text-transform: uppercase; letter-spacing: .04em; align-self: flex-start; } .tool-card h3 { margin: .25rem 0; font-size: 1.05rem; } .tool-card p { color: var(--color-muted); font-size: .9rem; margin: 0; } /* ---------- SILO HUB BLOCKS ---------- */ .silo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; } .silo-tile { padding: 1.5rem 1.4rem; border-radius: var(--radius); background: var(--color-card); border: 1px solid var(--color-border); text-decoration: none; color: var(--color-text); transition: var(--transition); position: relative; overflow: hidden; } .silo-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); text-decoration: none; } .silo-tile::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--silo-color, var(--color-primary)); } .silo-tile h3 { margin: 0 0 .35rem; font-size: 1.1rem; } .silo-tile p { margin: 0; font-size: .9rem; color: var(--color-muted); } .silo-tile .count { font-size: .8rem; color: var(--color-muted); margin-top: .75rem; display: block; } /* ---------- TOOL PAGE ---------- */ .tool-page { padding: 2rem 0; } .tool-header { margin-bottom: 1.5rem; } .tool-header .meta { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; font-size: .85rem; color: var(--color-muted); margin-top: .35rem; } .tool-header h1 { margin-bottom: .35rem; } .tool-layout { display: grid; gap: 2rem; grid-template-columns: minmax(0, 1fr) 320px; } @media (max-width: 960px) { .tool-layout { grid-template-columns: 1fr; } .tool-sidebar { order: 2; } } .calc-box { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.6rem; } .calc-box .form-row { margin-bottom: 1rem; } .calc-box label { display: block; font-size: .9rem; font-weight: 600; color: var(--color-text); margin-bottom: .35rem; } .calc-box label .hint { font-weight: 400; color: var(--color-muted); font-size: .8rem; } .calc-box input[type=number], .calc-box input[type=text], .calc-box input[type=date], .calc-box select, .calc-box textarea { width: 100%; padding: .7rem .85rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 1rem; font-family: inherit; color: var(--color-text); background: var(--color-bg); transition: var(--transition); } .calc-box input:focus, .calc-box select:focus, .calc-box textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft); } .calc-box .input-group { display: flex; gap: .5rem; align-items: stretch; } .calc-box .input-group input { flex: 1; } .calc-box .input-group .suffix { padding: .7rem .9rem; background: var(--color-secondary); border: 1px solid var(--color-border); border-left: 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: .9rem; color: var(--color-muted); } .calc-box .input-group input { border-top-right-radius: 0; border-bottom-right-radius: 0; } .form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; } @media (max-width: 600px) { .form-grid-2 { grid-template-columns: 1fr; } } .toggle-group { display: inline-flex; padding: 4px; background: var(--color-secondary); border-radius: 999px; gap: 2px; } .toggle-group input { display: none; } .toggle-group label { padding: .5rem 1rem; border-radius: 999px; cursor: pointer; font-size: .9rem; margin: 0; font-weight: 500; color: var(--color-muted); transition: var(--transition); } .toggle-group input:checked + label { background: #fff; color: var(--color-text); box-shadow: var(--shadow-sm); } /* ---------- RESULTS ---------- */ .result-box { background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary-soft) 100%); border-radius: var(--radius); padding: 1.5rem; margin-top: 1.5rem; border: 1px solid var(--color-primary-soft-strong); } .result-headline { font-size: .85rem; color: var(--color-muted); margin-bottom: .35rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; } .result-value { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; color: var(--color-text); letter-spacing: -.02em; } .result-detail { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--color-primary-soft-strong); } .result-detail .item { display: flex; flex-direction: column; gap: .15rem; } .result-detail .item .lbl { font-size: .75rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: .04em; } .result-detail .item .val { font-size: 1.1rem; font-weight: 700; color: var(--color-text); } /* ---------- CONTENT SECTIONS ON TOOL PAGE ---------- */ .tool-section { margin-top: 2.5rem; } .tool-section h2 { font-size: 1.4rem; margin-bottom: .75rem; } .tool-section h3 { font-size: 1.1rem; margin: 1.2rem 0 .35rem; } .faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 1rem 1.25rem; margin-bottom: .6rem; background: var(--color-card); } .faq-item summary { font-weight: 600; cursor: pointer; list-style: none; color: var(--color-text); } .faq-item summary::-webkit-details-marker { display: none; } .faq-item summary::after { content: '+'; float: right; font-size: 1.4rem; line-height: 1; color: var(--color-muted); } .faq-item[open] summary::after { content: '−'; } .faq-item p { margin: .75rem 0 0; color: var(--color-muted); } /* ---------- SIDEBAR (related tools) ---------- */ .tool-sidebar h3 { font-size: .9rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-muted); margin-bottom: .75rem; } .tool-sidebar ul.related { list-style: none; padding: 0; margin: 0; } .tool-sidebar ul.related li { margin-bottom: .5rem; } .tool-sidebar ul.related a { display: block; padding: .75rem 1rem; background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-text); font-size: .9rem; transition: var(--transition); } .tool-sidebar ul.related a:hover { background: var(--color-secondary); text-decoration: none; } /* ---------- ARTICLE / BLOG ---------- */ .article-page { max-width: 760px; margin: 0 auto; padding: 2rem 0; } .article-page h1 { font-size: clamp(2rem, 5vw, 2.8rem); } .article-meta { color: var(--color-muted); font-size: .9rem; margin-bottom: 2rem; } .article-body { font-size: 1.05rem; line-height: 1.75; } .article-body h2 { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--color-border); } .article-body h3 { margin-top: 1.5rem; } .article-body blockquote { border-left: 4px solid var(--color-primary); padding: .25rem 0 .25rem 1.25rem; margin: 1.5rem 0; color: var(--color-muted); font-style: italic; } .article-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; background: var(--color-card); border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--color-border); } .article-body th, .article-body td { padding: .75rem 1rem; text-align: left; border-bottom: 1px solid var(--color-border); } .article-body th { background: var(--color-secondary); font-weight: 600; } .article-body tr:last-child td { border-bottom: 0; } .article-body code { background: var(--color-secondary); padding: .15rem .4rem; border-radius: 4px; font-family: var(--font-mono); font-size: .9em; } .article-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; transition: var(--transition); display: flex; flex-direction: column; gap: .5rem; } .article-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); } .article-card h3 { margin: 0; font-size: 1.1rem; } .article-card .excerpt { color: var(--color-muted); font-size: .9rem; margin: 0; flex: 1; } .article-card .meta { font-size: .8rem; color: var(--color-muted); margin-top: .25rem; } /* ---------- AD SLOTS ---------- */ .ad-slot { margin: 2rem 0; min-height: 120px; display: flex; align-items: center; justify-content: center; background: var(--color-bg); border: 1px dashed var(--color-border); border-radius: var(--radius-sm); color: var(--color-muted); font-size: .8rem; } .ad-slot:empty::before { content: ''; } /* ---------- BREADCRUMB ---------- */ .breadcrumb { font-size: .85rem; color: var(--color-muted); margin-bottom: 1rem; } .breadcrumb a { color: var(--color-muted); } .breadcrumb a:hover { color: var(--color-primary-strong); } .breadcrumb .sep { margin: 0 .4rem; color: var(--color-border); } /* ---------- FOOTER ---------- */ .site-footer { background: var(--color-secondary); padding: 3rem 0 1.5rem; margin-top: 4rem; } .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; } @media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } } @media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } } .footer-grid h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-muted); margin-bottom: .75rem; } .footer-grid ul { list-style: none; padding: 0; margin: 0; } .footer-grid li { margin-bottom: .5rem; } .footer-grid a { color: var(--color-text); font-size: .9rem; } .footer-grid a:hover { color: var(--color-primary-strong); } .footer-bottom { padding-top: 1.5rem; border-top: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: .85rem; color: var(--color-muted); } /* ---------- COOKIE BANNER ---------- */ .cookie-banner { position: fixed; bottom: 1rem; left: 1rem; right: 1rem; max-width: 640px; margin: 0 auto; background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem 1.25rem; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; z-index: 100; } .cookie-banner p { margin: 0; font-size: .85rem; flex: 1; min-width: 200px; } /* ---------- FLASH MESSAGES ---------- */ .flash { padding: .85rem 1.1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: .9rem; } .flash-success { background: #DCFCE7; color: #166534; border: 1px solid #86EFAC; } .flash-error { background: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5; } .flash-info { background: var(--color-secondary); color: var(--color-text); border: 1px solid var(--color-border); } /* ---------- UTILITY ---------- */ .hidden { display: none !important; } .mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mb-1 { margin-bottom: .5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; } .skip-link { position: absolute; top: -40px; left: 1rem; background: var(--color-primary); color: #fff; padding: .5rem 1rem; border-radius: 0 0 var(--radius-sm) var(--radius-sm); } .skip-link:focus { top: 0; } /* ---------- ARTICLE INDEX TIDBITS ---------- */ .search-results-list { display: grid; gap: 1rem; } /* ---------- TABLE FOR HUB ---------- */ .hub-tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; } /* ---------- RESPONSIVE TWEAKS ---------- */ @media (max-width: 600px) { .section { padding: 2rem 0; } .calc-box { padding: 1.2rem; } .hero { padding: 2.5rem 0 1.5rem; } }