/* ==========================================================================
   Free Daily Tool — shared stylesheet
   Design language: "the toolbox" — bins, drawers, and inventory tags.
   Dark blue is the resting state; every page can flip to a light workbench
   theme via the header toggle (persisted per-session only, no localStorage
   requirement — falls back to the dark theme on every fresh load unless the
   user has toggled it this session).
   ========================================================================== */

/* ---- Design tokens ------------------------------------------------------ */
:root {
  /* Type */
  --font-display: "Space Grotesk", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Scale */
  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  --step-1: clamp(1.2rem, 1.12rem + 0.4vw, 1.4rem);
  --step-2: clamp(1.5rem, 1.34rem + 0.8vw, 1.9rem);
  --step-3: clamp(1.9rem, 1.6rem + 1.5vw, 2.6rem);
  --step-4: clamp(2.4rem, 1.9rem + 2.5vw, 3.6rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;

  /* Shape */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --border-w: 1px;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --dur-fast: 120ms;
  --dur-med: 220ms;

  /* Dark (default) theme — deep navy toolbox */
  --color-bg: #0a0f1c;
  --color-bg-raised: #0d1526;
  --color-surface: #101a2e;
  --color-surface-hover: #152238;
  --color-border: #223154;
  --color-border-strong: #35497a;
  --color-text: #e9edf7;
  --color-text-muted: #93a3c4;
  --color-text-faint: #5b6b8f;
  --color-accent: #5b8cf7;
  --color-accent-strong: #7ea3fb;
  --color-accent-ink: #061021;
  --color-tag: #f5b942;
  --color-tag-ink: #241a02;
  --color-focus: #8fb8ff;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 8px 20px -12px rgba(0, 0, 0, 0.6);
}

[data-theme="light"] {
  --color-bg: #eef1f8;
  --color-bg-raised: #f5f7fb;
  --color-surface: #ffffff;
  --color-surface-hover: #f2f5fc;
  --color-border: #d7deed;
  --color-border-strong: #b7c3dd;
  --color-text: #0f1830;
  --color-text-muted: #46567c;
  --color-text-faint: #7b88a8;
  --color-accent: #2e5cdb;
  --color-accent-strong: #1f47b8;
  --color-accent-ink: #ffffff;
  --color-tag: #a8630a;
  --color-tag-ink: #fff7e8;
  --color-focus: #2e5cdb;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 8px 20px -14px rgba(20, 30, 60, 0.35);
}

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

/* ---- Reset --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.55;
  transition: background var(--dur-med) var(--ease), color var(--dur-med) var(--ease);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-color: var(--color-border-strong); }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select { font: inherit; color: inherit; }

:focus-visible {
  outline: 2.5px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: min(1180px, 100% - 2.5rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-tag);
  color: var(--color-tag-ink);
  padding: var(--space-3) var(--space-4);
  z-index: 200;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---- Header ---------------------------------------------------------------*/
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 97%, transparent);
  border-bottom: var(--border-w) solid var(--color-border);
}
.site-header__bar {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding-block: var(--space-3);
  min-height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  white-space: nowrap;
  flex-shrink: 0;
}
.brand__mark { width: 34px; height: 34px; flex-shrink: 0; }
.brand__name span { color: var(--color-tag); }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: 1;
  min-width: 0;
}
.site-nav__list {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.site-nav__list a {
  font-size: var(--step--1);
  color: var(--color-text-muted);
  font-weight: 500;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.site-nav__list a:hover,
.site-nav__list a[aria-current="page"] { color: var(--color-text); border-color: var(--color-tag); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: var(--border-w) solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--color-text-muted);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.theme-toggle:hover { border-color: var(--color-border-strong); color: var(--color-text); }
.theme-toggle svg { width: 16px; height: 16px; }

.nav-toggle {
  display: none;
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ---- Search (shared: header + hero) --------------------------------------*/
.search-box { position: relative; }
.search-box__field {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-3);
  transition: border-color var(--dur-fast) var(--ease);
}
.search-box__field:focus-within { border-color: var(--color-accent); }
.search-box__field svg { width: 18px; height: 18px; color: var(--color-text-faint); flex-shrink: 0; }
.search-box__field input {
  border: 0;
  background: none;
  padding: var(--space-3) var(--space-2);
  width: 100%;
  outline: none;
  color: var(--color-text);
}
.search-box__field input::placeholder { color: var(--color-text-faint); }

.header-search { width: 240px; }
.header-search .search-box__field { padding: 0 var(--space-2); }
.header-search .search-box__field input { padding-block: var(--space-2); font-size: var(--step--1); }

.search-box__results {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.55);
  max-height: 60vh;
  overflow-y: auto;
  z-index: 150;
  display: none;
}
.search-box__results.is-open { display: block; }
.search-box__results a {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--border-w) solid var(--color-border);
}
.search-box__results a:last-child { border-bottom: 0; }
.search-box__results a:hover,
.search-box__results a.is-active { background: var(--color-surface-hover); }
.search-box__result-title { font-weight: 600; font-size: var(--step--1); }
.search-box__result-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.search-box__result-desc { color: var(--color-text-muted); font-size: 0.85rem; margin-top: 2px; }
.search-box__empty { padding: var(--space-4); color: var(--color-text-muted); font-size: var(--step--1); }

/* ---- Buttons & tags -------------------------------------------------------*/
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--step--1);
  border: var(--border-w) solid transparent;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.btn--primary { background: var(--color-accent); color: var(--color-accent-ink); }
.btn--primary:hover { background: var(--color-accent-strong); }
.btn--ghost { background: transparent; border-color: var(--color-border-strong); color: var(--color-text); }
.btn--ghost:hover { border-color: var(--color-accent); }

.badge-strip {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: color-mix(in srgb, var(--color-tag) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-tag) 45%, transparent);
  color: var(--color-tag);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
}
.badge svg { width: 14px; height: 14px; }

/* Inventory tag — the signature element, used on category cards */
.tag-flag {
  position: absolute;
  top: -10px;
  right: 18px;
  background: var(--color-tag);
  color: var(--color-tag-ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 10px 4px;
  border-radius: 4px;
  transform: rotate(-3deg);
  box-shadow: 0 6px 14px -6px rgba(0, 0, 0, 0.5);
  transition: transform var(--dur-med) var(--ease);
}
.tag-flag::after {
  content: "";
  position: absolute;
  left: 8px;
  bottom: -4px;
  width: 6px;
  height: 6px;
  background: inherit;
  transform: rotate(45deg);
  border-radius: 1px;
}

/* ---- Hero -----------------------------------------------------------------*/
.hero {
  padding-block: var(--space-8) var(--space-7);
  border-bottom: var(--border-w) solid var(--color-border);
  background:
    radial-gradient(60% 100% at 85% 0%, color-mix(in srgb, var(--color-accent) 14%, transparent), transparent 70%),
    var(--color-bg);
}
.hero__inner { max-width: 760px; }
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  display: block;
}
.hero h1 {
  font-size: var(--step-4);
  margin-bottom: var(--space-4);
}
.hero h1 em {
  font-style: normal;
  color: var(--color-tag);
}
.hero__lede {
  font-size: var(--step-1);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-5);
}
.hero .badge-strip { margin-bottom: var(--space-6); }
.hero .search-box { max-width: 560px; }
.hero .search-box__field { padding: 0 var(--space-4); }
.hero .search-box__field input { padding-block: var(--space-4); font-size: var(--step-0); }
.hero__hint { margin-top: var(--space-3); color: var(--color-text-faint); font-size: var(--step--1); }
.hero__hint kbd {
  font-family: var(--font-mono);
  border: 1px solid var(--color-border-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.75em;
}

/* ---- Section scaffolding --------------------------------------------------*/
.section { padding-block: var(--space-7); }
.section--tight { padding-block: var(--space-6); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.section-head h2 { font-size: var(--step-2); }
.section-head__sub { color: var(--color-text-muted); margin-top: var(--space-2); max-width: 60ch; }
.section-link { display: inline-flex; align-items: center; gap: 4px; font-size: var(--step--1); font-weight: 600; color: var(--color-accent); white-space: nowrap; }
.section-link:hover { color: var(--color-accent-strong); }

/* Inline arrow icons used inside text links/CTAs — without this they render
   at the SVG default intrinsic size (~300x150) since they carry no width/
   height attributes of their own. */
.section-link svg,
.category-card__link svg,
.tool-card__cta svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.category-card__link,
.tool-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ---- Category grid ---------------------------------------------------------*/
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
}
.category-card {
  position: relative;
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-med) var(--ease), border-color var(--dur-fast) var(--ease);
}
.category-card:hover { transform: translateY(-3px); border-color: var(--color-border-strong); }
.category-card:hover .tag-flag { transform: rotate(0deg); }
.category-card__icon {
  font-size: 1.8rem;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-raised);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}
.category-card h3 { font-size: var(--step-1); margin-bottom: var(--space-2); }
.category-card p { color: var(--color-text-muted); font-size: var(--step--1); margin-bottom: var(--space-4); }
.category-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: var(--step--1);
  color: var(--color-accent);
}
.category-card__cover { position: absolute; inset: 0; border-radius: inherit; }
.category-card__cover span { position: absolute; inset: 0; }

/* ---- Tool cards (category pages) ------------------------------------------*/
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}
.tool-card {
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform var(--dur-med) var(--ease), border-color var(--dur-fast) var(--ease);
}
.tool-card:hover { transform: translateY(-3px); border-color: var(--color-accent); }
.tool-card__top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); }
.tool-card h3 { font-size: var(--step-0); }
.tool-card p { color: var(--color-text-muted); font-size: var(--step--1); flex: 1; }
.tool-card__cta { font-weight: 600; font-size: var(--step--1); color: var(--color-accent); }
.tool-card__pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}

/* Empty state (category has fewer than 3 tools listed) */
.empty-card {
  border: 1.5px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.empty-card__icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1.5px dashed var(--color-border-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  color: var(--color-text-faint);
}
.empty-card p { max-width: 40ch; font-size: var(--step--1); }

/* ---- Popular / recent strip -------------------------------------------------*/
.chip-row {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding-bottom: var(--space-3);
  scrollbar-width: thin;
}
.chip {
  flex: 0 0 auto;
  width: 240px;
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.chip:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.chip__meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--color-tag);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
  display: block;
}
.chip h3 { font-size: var(--step--1); margin-bottom: var(--space-1); }
.chip p { font-size: 0.82rem; color: var(--color-text-muted); }

/* ---- Trust / how it works ---------------------------------------------------*/
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}
.trust-item {
  border-left: 2px solid var(--color-tag);
  padding-left: var(--space-4);
}
.trust-item h3 { font-size: var(--step-0); margin-bottom: var(--space-2); }
.trust-item p { color: var(--color-text-muted); font-size: var(--step--1); }

/* ---- FAQ (native details/summary — no JS required) ---------------------------*/
.faq-list { display: flex; flex-direction: column; gap: var(--space-3); max-width: 780px; }
.faq-item {
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-5);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding-block: var(--space-4);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-tag);
  transition: transform var(--dur-fast) var(--ease);
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--color-text-muted); padding-bottom: var(--space-4); max-width: 68ch; }

/* ---- Breadcrumbs -------------------------------------------------------------*/
.breadcrumbs {
  padding-block: var(--space-4);
  font-size: var(--step--1);
  color: var(--color-text-faint);
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: var(--space-2); color: var(--color-border-strong); }
.breadcrumbs li[aria-current] { color: var(--color-text); }

/* ---- Page header (category/legal/about pages) --------------------------------*/
.page-header { padding-block: var(--space-6) var(--space-6); border-bottom: var(--border-w) solid var(--color-border); }
.page-header__icon {
  width: 60px; height: 60px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}
.page-header h1 { font-size: var(--step-3); margin-bottom: var(--space-3); }
.page-header p { color: var(--color-text-muted); max-width: 60ch; font-size: var(--step-0); }
.page-header__count {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--color-tag);
  margin-top: var(--space-3);
  display: inline-block;
}

/* ---- Simple content pages (about/terms/privacy) -------------------------------*/
.prose { max-width: 74ch; }
.prose h2 { font-size: var(--step-2); margin-top: var(--space-7); margin-bottom: var(--space-3); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: var(--step-1); margin-top: var(--space-6); margin-bottom: var(--space-2); }
.prose p { margin-bottom: var(--space-4); color: var(--color-text-muted); }
.prose ul { margin-bottom: var(--space-4); }
.prose li {
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
  margin-bottom: var(--space-2);
}
.prose li::before { content: "—"; position: absolute; left: 0; color: var(--color-text-faint); }
.prose strong { color: var(--color-text); }
.prose a { color: var(--color-accent); text-decoration: underline; }
.prose .updated-note {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
}

/* ---- Contact form ---------------------------------------------------------- */
.form-grid { display: grid; gap: var(--space-4); max-width: 560px; }
.field label { display: block; font-weight: 600; font-size: var(--step--1); margin-bottom: var(--space-2); }
.field input, .field textarea, .field select {
  width: 100%;
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  appearance: none;
  -webkit-appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2393a3c4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 18px;
  padding-right: var(--space-7);
}
.field select option { background: var(--color-surface); color: var(--color-text); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--color-accent); outline: none; }
.field textarea { resize: vertical; min-height: 140px; }
.form-note { font-size: var(--step--1); color: var(--color-text-faint); }

/* ---- Related tools ---------------------------------------------------------*/
.related-tools { border-top: var(--border-w) solid var(--color-border); padding-block: var(--space-7); }

/* ---- Footer ------------------------------------------------------------------*/
.site-footer {
  border-top: var(--border-w) solid var(--color-border);
  padding-block: var(--space-7) var(--space-6);
  background: var(--color-bg-raised);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}
.footer-brand .brand { margin-bottom: var(--space-3); }
.footer-brand p { color: var(--color-text-muted); font-size: var(--step--1); max-width: 32ch; }
.footer-col h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { color: var(--color-text-muted); font-size: var(--step--1); }
.footer-col a:hover { color: var(--color-text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-5);
  border-top: var(--border-w) solid var(--color-border);
  font-size: var(--step--1);
  color: var(--color-text-faint);
}
.social-links { display: flex; gap: var(--space-3); }
.social-links a {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border: var(--border-w) solid var(--color-border);
  border-radius: 50%;
}
.social-links svg { width: 16px; height: 16px; }
.social-links a:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ---- Responsive ------------------------------------------------------------ */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .site-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-search { display: none; }
  body.nav-open .site-nav {
    display: flex;
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-5);
    overflow-y: auto;
    z-index: 90;
  }
  body.nav-open .site-nav__list { flex-direction: column; gap: 0; width: 100%; }
  body.nav-open .site-nav__list a { display: block; padding: var(--space-4) 0; border-bottom: 1px solid var(--color-border); width: 100%; }
  body.nav-open .header-search { display: block; width: 100%; margin-top: var(--space-4); }
  .hero { padding-block: var(--space-6) var(--space-6); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .category-grid, .tool-grid { grid-template-columns: 1fr; }
}