/* ==========================================================================
   TechCrestly — design system
   ========================================================================== */

:root {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --bg: #ffffff;
  --bg-elev: #ffffff;
  --bg-soft: #f3f6fa;
  --text: #0f2340;
  --text-2: #46556e;
  --text-3: #7a879c;
  --border: #e3e9f1;
  --border-strong: #ccd6e3;

  --primary: #1e6fd6;
  --primary-2: #0d3f7f;
  --primary-soft: #e8f1fc;
  --primary-text: #1a5fb8;
  --grad: linear-gradient(135deg, #2b8ae6 0%, #0d3f7f 100%);
  --silver: #c9d3de;
  --card: #e4e8ee;          /* light gray card surface */
  --card-border: #cdd5df;

  --green: #16a34a;
  --green-soft: #e7f8ec;
  --wa: #25d366;
  --wa-dark: #1ebe5a;
  --blue: #1e6fd6;
  --blue-soft: #e8f1fc;
  --violet: #4c5fd5;
  --violet-soft: #ecf0fd;
  --amber: #d97706;
  --amber-soft: #fff4e0;
  --danger: #dc2626;

  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(13, 63, 127, .05), 0 1px 3px rgba(13, 63, 127, .05);
  --shadow: 0 4px 18px rgba(13, 63, 127, .07), 0 1px 3px rgba(13, 63, 127, .04);
  --shadow-lg: 0 20px 50px -12px rgba(13, 63, 127, .2);
  --ring: 0 0 0 4px rgba(30, 111, 214, .18);

  --container: 1140px;
  --header-h: 68px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0a1628;
  --bg-elev: #111f36;
  --bg-soft: #172844;
  --text: #eaf1fa;
  --text-2: #aebbd0;
  --text-3: #7c8ca5;
  --border: #213453;
  --border-strong: #2f4568;

  --primary: #4a94ea;
  --primary-2: #8ec1ff;
  --primary-soft: #14294a;
  --primary-text: #7db6f5;
  --grad: linear-gradient(135deg, #3d8fe8 0%, #1553a3 100%);
  --silver: #6e7f96;
  --card: #111f36;
  --card-border: #213453;

  --green: #34d399;
  --green-soft: #0f2a1f;
  --blue: #6fb0f7;
  --blue-soft: #14294a;
  --violet: #9aa8ff;
  --violet-soft: #1c2650;
  --amber: #fbbf24;
  --amber-soft: #2c2210;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 4px 16px rgba(0, 0, 0, .35);
  --shadow-lg: 0 24px 60px -12px rgba(0, 0, 0, .6);
  --ring: 0 0 0 4px rgba(74, 148, 234, .3);
  color-scheme: dark;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--primary-text); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.015em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); font-weight: 800; letter-spacing: -.03em; }
h2 { font-size: clamp(1.45rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
code, kbd { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; background: var(--bg-soft); padding: .1em .4em; border-radius: 5px; }
::selection { background: rgba(30, 111, 214, .22); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 780px; }
.container-md { max-width: 900px; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--primary); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 1000; }
.skip-link:focus { left: 8px; }

.icon { width: 22px; height: 22px; flex: none; }
.icon-sm { width: 16px; height: 16px; }

.muted { color: var(--text-2); }
.small { font-size: .9rem; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { width: 52px; height: auto; }
.brand-name { font-family: "Montserrat", var(--font); font-weight: 800; font-size: 1.25rem; letter-spacing: .01em; text-transform: uppercase; color: var(--primary); line-height: 1; }
.brand-name span { font-weight: 600; color: var(--primary-2); }
:root[data-theme="dark"] .brand-name span { color: #cfe0f5; }
.footer-logo { width: 150px; height: auto; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav > a, .nav-dd > a {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 8px 12px; border-radius: 9px; font-weight: 500; color: var(--text-2);
}
.nav > a:hover, .nav-dd > a:hover, .nav > a[aria-current], .nav-dd > a[aria-current] { color: var(--text); background: var(--bg-soft); text-decoration: none; }
.nav-dd { position: relative; }
.nav-menu {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 340px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s;
}
.nav-dd:hover .nav-menu, .nav-dd:focus-within .nav-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-menu-item { display: flex; gap: 12px; align-items: flex-start; padding: 10px; border-radius: 10px; color: var(--text); }
.nav-menu-item:hover { background: var(--bg-soft); text-decoration: none; }
.nav-menu-item strong { display: block; font-weight: 600; font-size: .95rem; }
.nav-menu-item small { display: block; color: var(--text-3); font-size: .8rem; line-height: 1.35; margin-top: 2px; }
.nav-menu-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; flex: none; }
.nav-menu-icon .icon { width: 19px; height: 19px; }

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-elev); color: var(--text-2); display: grid; place-items: center; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.icon-btn:hover { background: var(--bg-soft); color: var(--text); border-color: var(--border-strong); }
.icon-btn .icon { width: 19px; height: 19px; }
.icon-moon, :root[data-theme="dark"] .icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon { display: block; }
.nav-toggle { display: none; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* Color chips shared by icons / badges */
.c-green { background: var(--green-soft); color: var(--green); }
.c-violet { background: var(--violet-soft); color: var(--violet); }
.c-blue { background: var(--blue-soft); color: var(--blue); }
.c-amber { background: var(--amber-soft); color: var(--amber); }
.c-primary { background: var(--primary-soft); color: var(--primary-text); }

/* --------------------------------------------------------------------------
   Buttons & forms
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 11px; font: inherit; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; text-decoration: none; line-height: 1.2;
  transition: transform .12s ease, box-shadow .15s ease, background .15s ease, opacity .15s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px -8px rgba(30, 111, 214, .7); }
.btn-primary:hover { box-shadow: 0 12px 26px -8px rgba(30, 111, 214, .8); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 8px 20px -8px rgba(37, 211, 102, .7); }
.btn-wa:hover { background: var(--wa-dark); }
.btn-outline { background: var(--bg-elev); color: var(--text); border-color: var(--border-strong); }
.btn-outline:hover { background: var(--bg-soft); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--text); }
.btn-lg { padding: 15px 26px; font-size: 1.02rem; border-radius: 13px; }
.btn-sm { padding: 8px 12px; font-size: .85rem; border-radius: 8px; }
.btn-block { width: 100%; }
.btn .icon { width: 18px; height: 18px; }

.field { margin-bottom: 18px; }
.field label, .label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 7px; }
.field .hint { color: var(--text-3); font-size: .82rem; margin-top: 6px; }
.input, .select, .textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--bg-elev);
  border: 1px solid var(--border-strong); border-radius: 11px; padding: 12px 14px;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--primary); box-shadow: var(--ring); }
.textarea { min-height: 110px; resize: vertical; }
.select { appearance: none; -webkit-appearance: none; padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237b8194' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; }
.input-group { display: flex; border: 1px solid var(--border-strong); border-radius: 11px; overflow: hidden; background: var(--bg-elev); transition: border-color .15s, box-shadow .15s; }
.input-group:focus-within { border-color: var(--primary); box-shadow: var(--ring); }
.input-group .input, .input-group .select { border: 0; border-radius: 0; box-shadow: none; }
.input-group .select { max-width: 230px; border-right: 1px solid var(--border); background-color: var(--bg-soft); }
.input-group .prefix { display: flex; align-items: center; padding: 0 12px; color: var(--text-2); font-weight: 600; border-right: 1px solid var(--border); background: var(--bg-soft); }

/* --------------------------------------------------------------------------
   Cards & layout blocks
   -------------------------------------------------------------------------- */
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.card-body { padding: 28px; }
.section { padding: 64px 0; }
.section-tight { padding: 40px 0; }
.section-title { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-title p { color: var(--text-2); font-size: 1.05rem; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--primary-text); margin-bottom: 12px; }
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--grad); border-radius: 2px; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Tool cards */
.tool-card {
  position: relative; display: flex; flex-direction: column; gap: 14px; padding: 26px;
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius-lg);
  color: var(--text); box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.tool-card:hover { text-decoration: none; transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.tool-card-icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; }
.tool-card-icon .icon { width: 25px; height: 25px; }
.tool-card h3 { margin: 0; font-size: 1.12rem; }
.tool-card p { margin: 0; color: var(--text-2); font-size: .94rem; line-height: 1.5; }
.tool-card .tool-card-cta { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: .9rem; color: var(--primary-text); }
.tool-card .tool-card-cta .icon { width: 16px; height: 16px; transition: transform .18s; }
.tool-card:hover .tool-card-cta .icon { transform: translateX(3px); }
.tool-card .badge { position: absolute; top: 18px; right: 18px; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: .74rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }

/* Feature list */
.feature { display: flex; gap: 16px; }
.feature-icon { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; flex: none; }
.feature h3 { font-size: 1.02rem; margin-bottom: 4px; }
.feature p { color: var(--text-2); font-size: .94rem; margin: 0; }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero { position: relative; padding: 84px 0 64px; overflow: hidden; text-align: center; }
.hero::before {
  content: ""; position: absolute; inset: -40% -20% auto; height: 120%; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 320px at 20% 20%, rgba(43, 138, 230, .18), transparent 60%),
    radial-gradient(520px 300px at 80% 10%, rgba(13, 63, 127, .14), transparent 60%),
    radial-gradient(500px 280px at 55% 60%, rgba(201, 211, 222, .35), transparent 60%);
  filter: blur(10px);
}
.hero h1 { max-width: 780px; margin: 0 auto 16px; }
.hero-logo { width: 150px; height: auto; margin: 0 auto 18px; filter: drop-shadow(0 12px 24px rgba(13, 63, 127, .18)); }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { max-width: 600px; margin: 0 auto 28px; color: var(--text-2); font-size: 1.15rem; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 8px; border-radius: 999px; background: var(--bg-elev); border: 1px solid var(--border); font-size: .82rem; font-weight: 600; color: var(--text-2); margin-bottom: 22px; box-shadow: var(--shadow-sm); }
.hero-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--wa); box-shadow: 0 0 0 4px rgba(37, 211, 102, .2); }
.hero-stats { display: flex; justify-content: center; gap: 36px; margin-top: 44px; flex-wrap: wrap; }
.hero-stats div { text-align: center; }
.hero-stats strong { display: block; font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; }
.hero-stats span { color: var(--text-3); font-size: .85rem; }

/* --------------------------------------------------------------------------
   Page header / breadcrumbs (inner pages)
   -------------------------------------------------------------------------- */
.page-head { padding: 44px 0 20px; text-align: center; }
.page-head h1 { margin-bottom: 10px; }
.page-head .lead { color: var(--text-2); font-size: 1.08rem; max-width: 620px; margin: 0 auto; }
.breadcrumb { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin: 0 0 16px; font-size: .84rem; color: var(--text-3); }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; opacity: .5; }
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--text); }

/* Tool panel (the interactive widget) */
.tool-panel { max-width: 720px; margin: 8px auto 0; padding: 30px; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.tool-panel-wide { max-width: 900px; }
.tool-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.tool-note { display: flex; gap: 10px; align-items: flex-start; margin-top: 18px; padding: 12px 14px; border-radius: 11px; background: var(--bg-soft); color: var(--text-2); font-size: .88rem; }
.tool-note .icon { width: 18px; height: 18px; margin-top: 2px; color: var(--amber); }

.result { margin-top: 22px; padding: 20px; border-radius: 14px; background: var(--bg-soft); border: 1px dashed var(--border-strong); }
.result[hidden] { display: none; }
.result-label { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); margin-bottom: 8px; }
.result-link { display: flex; gap: 10px; align-items: center; }
.result-link input { flex: 1; min-width: 0; }
.result-big { font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 800; letter-spacing: -.02em; }
.result-sub { color: var(--text-2); }
.qr-wrap { display: flex; flex-direction: column; align-items: center; gap: 16px; margin-top: 8px; }
.qr-box { padding: 16px; background: #fff; border-radius: 16px; box-shadow: var(--shadow); line-height: 0; }
.qr-box canvas, .qr-box img { width: 240px; height: 240px; image-rendering: pixelated; }

/* Fancy text list */
.fancy-list { display: flex; flex-direction: column; gap: 10px; margin-top: 22px; }
.fancy-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; transition: border-color .15s, box-shadow .15s; }
.fancy-row:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.fancy-text { flex: 1; min-width: 0; font-size: 1.15rem; line-height: 1.45; word-break: break-word; overflow-wrap: anywhere; }
.fancy-name { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); font-weight: 700; margin-top: 4px; }
.fancy-row .btn-copy { flex: none; }
.fancy-row .btn-copy.copied { background: var(--green-soft); color: var(--green); border-color: transparent; }
.fancy-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 16px; }
.fancy-tabs button { font: inherit; font-size: .84rem; font-weight: 600; padding: 7px 13px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text-2); cursor: pointer; }
.fancy-tabs button[aria-pressed="true"] { background: var(--primary-soft); color: var(--primary-text); border-color: transparent; }
.load-more { text-align: center; margin-top: 18px; }

/* Date calc */
.calc-row { display: grid; grid-template-columns: 140px 1fr; gap: 12px; }
.calc-presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.calc-presets button { font: inherit; font-size: .82rem; font-weight: 600; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text-2); cursor: pointer; }
.calc-presets button:hover { background: var(--bg-soft); color: var(--text); }
.now-line { display: flex; align-items: center; gap: 8px; color: var(--text-3); font-size: .86rem; margin-top: 14px; }
.now-line .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, .5);} 60% { box-shadow: 0 0 0 6px rgba(22,163,74,0);} }

/* --------------------------------------------------------------------------
   Prose (long-form content under tools / info pages)
   -------------------------------------------------------------------------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { margin-top: 2em; font-size: 1.5rem; }
.prose h3 { margin-top: 1.5em; }
.prose p, .prose li { color: var(--text-2); font-size: 1.02rem; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .4em; }
.prose strong { color: var(--text); }
.prose a { font-weight: 500; }
.prose .callout { padding: 16px 18px; border-radius: 12px; background: var(--primary-soft); border-left: 4px solid var(--primary); margin: 1.4em 0; }
.prose .callout p { margin: 0; color: var(--text); }
.prose .steps { counter-reset: step; list-style: none; padding: 0; }
.prose .steps li { counter-increment: step; position: relative; padding-left: 46px; margin-bottom: 14px; }
.prose .steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: var(--grad); color: #fff; font-weight: 700; font-size: .9rem; }

/* FAQ */
.faq { border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { cursor: pointer; padding: 18px 40px 18px 0; font-weight: 600; font-size: 1.02rem; list-style: none; position: relative; color: var(--text); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; font-weight: 400; color: var(--text-3); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details > div { padding: 0 0 18px; }
.faq details > div p:last-child { margin-bottom: 0; }

/* Related tools strip */
.related { padding: 56px 0; border-top: 1px solid var(--border); margin-top: 56px; background: var(--bg-soft); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: start; }
.contact-side .card-body { display: flex; flex-direction: column; gap: 18px; }
.alert { padding: 14px 16px; border-radius: 12px; margin-bottom: 18px; font-size: .95rem; }
.alert-success { background: var(--green-soft); color: var(--green); }
.alert-error { background: #fdecec; color: var(--danger); }
:root[data-theme="dark"] .alert-error { background: #3a1616; color: #fca5a5; }
.hp { position: absolute; left: -9999px; }

/* CTA band */
.cta-band { background: var(--grad); color: #fff; border-radius: var(--radius-lg); padding: 44px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin: 0 0 6px; }
.cta-band p { margin: 0; opacity: .9; }
.cta-band .btn { background: #fff; color: var(--primary-text); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer { margin-top: 80px; border-top: 1px solid var(--border); background: var(--bg-elev); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding: 52px 20px 32px; }
.footer-brand p { color: var(--text-2); margin-top: 14px; max-width: 360px; font-size: .95rem; }
.site-footer h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 9px; }
.site-footer li a { color: var(--text-2); }
.site-footer li a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px; font-size: .82rem; color: var(--text-3); }
.footer-bottom p { margin: 0; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--text); color: var(--bg); padding: 11px 18px; border-radius: 999px; font-weight: 600; font-size: .9rem; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 200; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display: grid; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 16px;
    background: var(--bg-elev); border-top: 1px solid var(--border);
    transform: translateX(100%); transition: transform .22s ease; overflow-y: auto; margin: 0;
  }
  .nav.open { transform: translateX(0); }
  .nav > a, .nav-dd > a { padding: 14px 12px; font-size: 1.05rem; }
  .nav-dd > a .icon { display: none; }
  .nav-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 8px 8px; min-width: 0; }
  .hero { padding: 56px 0 44px; }
  .hero-stats { gap: 24px; }
  .section { padding: 48px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .tool-panel { padding: 22px 18px; }
  .card-body { padding: 22px 18px; }
  .calc-row { grid-template-columns: 1fr; }
  .input-group { flex-wrap: wrap; }
  .input-group .select { flex: 1 0 100%; max-width: none; border-right: 0; border-bottom: 1px solid var(--border); }
  .input-group .prefix { flex: none; }
  .input-group .input { flex: 1; }
  .cta-band { padding: 30px 24px; }
  .fancy-text { font-size: 1.05rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* --------------------------------------------------------------------------
   Blog
   -------------------------------------------------------------------------- */
.blog-search { display: flex; gap: 10px; max-width: 520px; margin: 22px auto 0; }
.blog-search .input { flex: 1; }
.cat-pills { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 0 0 30px; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text-2); font-size: .86rem; font-weight: 600; }
.pill span { font-size: .72rem; color: var(--text-3); }
.pill:hover { text-decoration: none; background: var(--bg-soft); color: var(--text); }
.pill.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pill.active span { color: rgba(255,255,255,.75); }

.post-grid { align-items: stretch; }
.post-card { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.post-card-media { display: block; aspect-ratio: 16 / 9; background: var(--bg-soft); overflow: hidden; }
.post-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.post-card:hover .post-card-media img { transform: scale(1.04); }
.post-card-placeholder { display: grid; place-items: center; width: 100%; height: 100%; background: linear-gradient(135deg, var(--bg-soft), var(--primary-soft)); }
.post-card-placeholder img { width: 90px; height: auto; opacity: .85; }
.post-card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post-card h3 { font-size: 1.1rem; margin: 0; line-height: 1.35; }
.post-card h3 a { color: var(--text); }
.post-card h3 a:hover { color: var(--primary-text); text-decoration: none; }
.post-card p { margin: 0; color: var(--text-2); font-size: .93rem; line-height: 1.55; }
.post-cat { display: inline-block; align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--primary-text); background: var(--primary-soft); padding: 4px 10px; border-radius: 999px; }
.post-cat:hover { text-decoration: none; background: var(--primary); color: #fff; }
.post-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; color: var(--text-3); font-size: .82rem; margin-top: auto; padding-top: 6px; }
.pagination { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 36px; }
.pagination-info { color: var(--text-3); font-size: .9rem; }
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state img { margin: 0 auto 16px; opacity: .8; }

/* Single post */
.post-header { text-align: center; padding: 44px 20px 24px; }
.post-header h1 { margin: 14px 0 12px; }
.post-header .lead { color: var(--text-2); font-size: 1.12rem; max-width: 680px; margin: 0 auto; }
.post-meta-lg { justify-content: center; font-size: .92rem; margin-top: 18px; padding-top: 0; }
.post-author { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 600; }
.post-author img { border-radius: 50%; background: var(--bg-soft); }
.post-cover { margin: 8px auto 32px; padding: 0 20px; }
.post-cover img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow); aspect-ratio: 16 / 9; object-fit: cover; }
.post-body { padding: 0 20px; font-size: 1.05rem; }
.post-body img { border-radius: 12px; margin: 1.2em auto; }
.post-body h2 { font-size: 1.55rem; }
.post-body h3 { font-size: 1.25rem; }
.post-body blockquote { margin: 1.4em 0; padding: 12px 20px; border-left: 4px solid var(--primary); background: var(--bg-soft); border-radius: 0 12px 12px 0; }
.post-body blockquote p { margin: 0; }
.post-body pre { background: #0f2340; color: #e6eefc; padding: 16px 18px; border-radius: 12px; overflow-x: auto; font-size: .9rem; }
.post-body table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: .95rem; }
.post-body th, .post-body td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.post-body th { background: var(--bg-soft); }
.post-body .ql-align-center { text-align: center; }
.post-body .ql-align-right { text-align: right; }
.post-body .ql-align-justify { text-align: justify; }
.post-footer { padding: 28px 20px 0; border-top: 1px solid var(--border); margin-top: 36px; }
.share { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 12px; }
.share > span { font-weight: 600; font-size: .9rem; color: var(--text-2); }

@media (max-width: 760px) {
  .blog-search { flex-direction: column; }
  .post-header { padding-top: 28px; }
  .brand-mark { width: 44px; }
  .brand-name { font-size: 1.1rem; }
}

/* Cards sitting on the soft grey band stay white so they still lift off the background */
.related .tool-card, .related .post-card { background: var(--bg-elev); border-color: var(--border); }

/* --------------------------------------------------------------------------
   Date preset landing pages
   -------------------------------------------------------------------------- */
.answer-card { max-width: 760px; margin: 0 auto; padding: 32px 28px; text-align: center; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.answer-label { color: var(--text-2); font-size: .98rem; margin: 0 0 6px; }
.answer-date { font-size: clamp(1.5rem, 4.2vw, 2.4rem); font-weight: 800; letter-spacing: -.025em; margin: 0 0 22px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.answer-facts { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 0; padding: 0; }
.answer-facts li { flex: 1 1 120px; min-width: 110px; padding: 12px 10px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; }
.answer-facts strong { display: block; font-size: 1.15rem; font-weight: 700; letter-spacing: -.02em; }
.answer-facts span { display: block; font-size: .74rem; color: var(--text-3); margin-top: 2px; }
.answer-actions { margin-top: 20px; }

.answer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 760px; margin: 18px auto 0; }
.mini-card { padding: 20px 22px; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); }
.mini-card h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; color: var(--text-3); margin-bottom: 8px; }
.mini-date { font-size: 1.05rem; font-weight: 700; margin: 0 0 6px; color: var(--text); }
.mini-card p.small { margin: 0; }

.panel-title { font-size: 1.05rem; margin-bottom: 18px; }
.preset-grid { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.preset-chip { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px; background: var(--card); border: 1px solid var(--card-border); color: var(--text); font-weight: 600; font-size: .9rem; }
.preset-chip:hover { text-decoration: none; background: var(--primary-soft); color: var(--primary-text); border-color: transparent; }
.preset-chip .icon { width: 16px; height: 16px; }
.preset-group { margin-bottom: 22px; }
.preset-group h3 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); margin-bottom: 12px; text-align: center; }

@media (max-width: 760px) {
  .answer-grid { grid-template-columns: 1fr; }
  .answer-card { padding: 24px 18px; }
  .answer-facts li { flex-basis: calc(50% - 5px); }
}