/*
Theme Name: WealthWise
Theme URI: https://webutilitykit.app
Author: WebUtilityKit
Author URI: https://webutilitykit.app
Description: A high-performance personal finance blog theme with built-in SEO, calculators, and AdSense optimization. No plugins required.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: wealthwise
Tags: blog, finance, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* =============================================
   DESIGN TOKENS
   Palette: Deep navy authority + electric teal accent + warm off-white
   Typography: DM Serif Display (headlines) + Inter (body) + DM Mono (numbers/data)
   Signature: Animated "ticker" number counters on tool cards
============================================= */

:root {
  /* Colors */
  --color-navy:       #0D1B2A;
  --color-navy-mid:   #1A2E44;
  --color-navy-light: #243B55;
  --color-teal:       #00C9A7;
  --color-teal-dim:   #00A88A;
  --color-gold:       #F5A623;
  --color-cream:      #F7F5F0;
  --color-white:      #FFFFFF;
  --color-gray-100:   #F0EEE9;
  --color-gray-300:   #C8C5BE;
  --color-gray-500:   #8A8680;
  --color-gray-700:   #4A4845;
  --color-text:       #1A1A1A;
  --color-error:      #E53E3E;
  --color-success:    #38A169;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  /* Scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 780px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);
  --shadow-teal: 0 4px 24px rgba(0,201,167,0.20);

  /* Transitions */
  --transition: 0.22s ease;
}

/* =============================================
   RESET & BASE
============================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
button { cursor: pointer; border: none; background: none; }

/* =============================================
   TYPOGRAPHY
============================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-navy);
}
h1 { font-size: clamp(var(--text-3xl), 5vw, var(--text-6xl)); }
h2 { font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl)); }
h3 { font-size: clamp(var(--text-xl), 3vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 600; }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal);
}

/* =============================================
   LAYOUT
============================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }

/* =============================================
   HEADER & NAV
============================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-navy);
  border-bottom: 1px solid var(--color-navy-light);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.site-logo__mark {
  width: 36px; height: 36px;
  background: var(--color-teal);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-navy);
}
.site-logo__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-white);
  letter-spacing: -0.02em;
}
.site-logo__text span { color: var(--color-teal); }

.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.site-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-300);
  transition: color var(--transition);
  position: relative;
}
.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--color-teal);
  transition: width var(--transition);
}
.site-nav a:hover,
.site-nav a:focus { color: var(--color-white); }
.site-nav a:hover::after,
.site-nav a:focus::after { width: 100%; }

.nav-cta {
  background: var(--color-teal);
  color: var(--color-navy) !important;
  font-weight: 700 !important;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--color-teal-dim) !important; transform: translateY(-1px); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}
.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

/* =============================================
   HERO
============================================= */

.hero {
  background: var(--color-navy);
  padding: var(--space-20) 0 var(--space-24);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,201,167,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-teal), transparent);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__eyebrow { margin-bottom: var(--space-4); }

.hero__headline {
  color: var(--color-white);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}
.hero__headline em {
  font-style: normal;
  color: var(--color-teal);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-navy-light);
}
.hero__stat-value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-teal);
}
.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

/* Hero right: quick calculator preview */
.hero__calc-card {
  background: var(--color-navy-mid);
  border: 1px solid var(--color-navy-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg), var(--shadow-teal);
}
.hero__calc-card h3 {
  color: var(--color-white);
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}

/* =============================================
   BUTTONS
============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--color-teal);
  color: var(--color-navy);
}
.btn--primary:hover {
  background: var(--color-teal-dim);
  transform: translateY(-2px);
  box-shadow: var(--shadow-teal);
}
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-navy-light);
}
.btn--outline:hover {
  border-color: var(--color-teal);
  color: var(--color-teal);
}
.btn--gold {
  background: var(--color-gold);
  color: var(--color-navy);
}
.btn--gold:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* =============================================
   SECTION WRAPPERS
============================================= */

.section { padding: var(--space-20) 0; }
.section--dark {
  background: var(--color-navy);
  color: var(--color-white);
}
.section--alt { background: var(--color-gray-100); }

.section__header { text-align: center; margin-bottom: var(--space-12); }
.section__header .eyebrow { margin-bottom: var(--space-3); }
.section__header h2 { margin-bottom: var(--space-4); }
.section__header p {
  font-size: var(--text-lg);
  color: var(--color-gray-500);
  max-width: 560px;
  margin-inline: auto;
}
.section--dark .section__header h2 { color: var(--color-white); }
.section--dark .section__header p { color: var(--color-gray-300); }

/* =============================================
   CALCULATOR COMPONENTS
============================================= */

.calc-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-100);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}
.calc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.calc-card__header {
  background: var(--color-navy);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.calc-card__icon {
  width: 40px; height: 40px;
  background: rgba(0,201,167,0.15);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.calc-card__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-white);
}
.calc-card__body { padding: var(--space-6); }

.field-group { margin-bottom: var(--space-4); }
.field-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}
.field-label span {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-teal);
  font-size: var(--text-base);
}

.field-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-gray-100);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-cream);
  transition: border-color var(--transition);
  outline: none;
}
.field-input:focus { border-color: var(--color-teal); background: var(--color-white); }

.field-range {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--color-gray-100);
  outline: none;
  cursor: pointer;
  accent-color: var(--color-teal);
}

.calc-result {
  background: var(--color-navy);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin-top: var(--space-4);
  text-align: center;
}
.calc-result__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: var(--space-1);
}
.calc-result__value {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-teal);
  line-height: 1;
}
.calc-result__sub {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-2);
}

.calc-breakdown {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
}
.calc-breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-gray-300);
  font-size: var(--text-sm);
}
.calc-breakdown-row:last-child { border-bottom: none; }
.calc-breakdown-row strong {
  font-family: var(--font-mono);
  color: var(--color-navy);
}

/* Tool Grid on homepage */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-6);
}

/* =============================================
   BLOG / POSTS
============================================= */

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.post-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.post-card__image {
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
  background: var(--color-gray-100);
}
.post-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.post-card__meta {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-3);
}
.post-card__cat {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal);
  background: rgba(0,201,167,0.1);
  padding: 2px 8px;
  border-radius: 100px;
}
.post-card__date {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}
.post-card__title {
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
  line-height: 1.3;
  transition: color var(--transition);
}
.post-card:hover .post-card__title { color: var(--color-teal-dim); }
.post-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-4);
}
.post-card__read {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-teal);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.post-card__read::after {
  content: '→';
  transition: transform var(--transition);
}
.post-card:hover .post-card__read::after { transform: translateX(4px); }

/* =============================================
   SINGLE POST / ARTICLE
============================================= */

.article-header {
  background: var(--color-navy);
  padding: var(--space-16) 0 var(--space-12);
}
.article-header .eyebrow { margin-bottom: var(--space-4); }
.article-header h1 { color: var(--color-white); margin-bottom: var(--space-5); }
.article-header .article-meta {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  flex-wrap: wrap;
}
.article-meta__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-300);
}
.article-meta__item svg { opacity: 0.6; }

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-12);
  padding: var(--space-12) 0;
}

.article-content {
  min-width: 0;
}
.article-content h2 {
  font-size: var(--text-2xl);
  color: var(--color-navy);
  margin: var(--space-8) 0 var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-gray-100);
}
.article-content h3 {
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin: var(--space-6) 0 var(--space-3);
}
.article-content p {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-gray-700);
  margin-bottom: var(--space-5);
}
.article-content ul, .article-content ol {
  margin: var(--space-4) 0 var(--space-5) var(--space-6);
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li {
  font-size: var(--text-lg);
  color: var(--color-gray-700);
  line-height: 1.8;
  margin-bottom: var(--space-2);
}
.article-content a {
  color: var(--color-teal-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content blockquote {
  border-left: 4px solid var(--color-teal);
  padding: var(--space-4) var(--space-6);
  background: rgba(0,201,167,0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-6) 0;
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-navy);
}

/* Table of Contents */
.toc {
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-8);
  border-left: 4px solid var(--color-teal);
}
.toc__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}
.toc ol { list-style: decimal; margin-left: var(--space-5); }
.toc li { margin-bottom: var(--space-2); }
.toc a {
  font-size: var(--text-sm);
  color: var(--color-teal-dim);
  text-decoration: none;
}
.toc a:hover { text-decoration: underline; }

/* Sidebar */
.sidebar {}
.sidebar-widget {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-gray-100);
}
.sidebar-widget__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-gray-100);
}

/* AdSense placeholder styling */
.ad-slot {
  background: var(--color-gray-100);
  border: 1px dashed var(--color-gray-300);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  font-size: var(--text-xs);
  text-align: center;
  min-height: 90px;
  margin: var(--space-6) 0;
}
.ad-slot--rectangle { min-height: 250px; }
.ad-slot--leaderboard { min-height: 90px; width: 100%; }

/* =============================================
   FOOTER
============================================= */

.site-footer {
  background: var(--color-navy);
  color: var(--color-gray-300);
  padding-top: var(--space-16);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-navy-light);
}
.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-gray-500);
  margin-top: var(--space-4);
  max-width: 280px;
}
.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-teal); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
  font-size: var(--text-xs);
  color: var(--color-gray-700);
}
.footer-bottom a { color: var(--color-gray-500); }
.footer-bottom a:hover { color: var(--color-teal); }

/* =============================================
   NEWSLETTER STRIP
============================================= */

.newsletter-strip {
  background: linear-gradient(135deg, var(--color-navy-mid), var(--color-navy));
  border-top: 1px solid var(--color-navy-light);
  border-bottom: 1px solid var(--color-navy-light);
  padding: var(--space-12) 0;
}
.newsletter-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.newsletter-strip h3 {
  color: var(--color-white);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}
.newsletter-strip p {
  color: var(--color-gray-400, var(--color-gray-300));
  font-size: var(--text-sm);
  margin: 0;
}
.newsletter-form {
  display: flex;
  gap: var(--space-3);
  flex: 0 0 auto;
}
.newsletter-form input[type="email"] {
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-navy-light);
  border-radius: var(--radius-sm);
  background: var(--color-navy);
  color: var(--color-white);
  font-size: var(--text-sm);
  width: 260px;
  outline: none;
  transition: border-color var(--transition);
}
.newsletter-form input[type="email"]::placeholder { color: var(--color-gray-500); }
.newsletter-form input[type="email"]:focus { border-color: var(--color-teal); }

/* =============================================
   BREADCRUMB
============================================= */

.breadcrumb {
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.breadcrumb a { color: var(--color-gray-500); }
.breadcrumb a:hover { color: var(--color-teal); }
.breadcrumb__sep { opacity: 0.4; }

/* =============================================
   PILL / TAG
============================================= */

.tag {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  background: var(--color-gray-100);
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-gray-700);
  transition: background var(--transition), color var(--transition);
}
.tag:hover {
  background: rgba(0,201,167,0.1);
  color: var(--color-teal-dim);
}

/* =============================================
   RESPONSIVE
============================================= */

@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__calc-card { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}

@media (max-width: 768px) {
  .site-nav { display: none; }
  .site-nav.is-open {
    display: block;
    position: fixed;
    top: 68px; left: 0; right: 0; bottom: 0;
    background: var(--color-navy);
    padding: var(--space-6);
    overflow-y: auto;
  }
  .site-nav.is-open ul {
    flex-direction: column;
    gap: var(--space-4);
    align-items: flex-start;
  }
  .site-nav.is-open a { font-size: var(--text-lg); }
  .menu-toggle { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .posts-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .newsletter-strip__inner { flex-direction: column; }
  .newsletter-form { width: 100%; flex-direction: column; }
  .newsletter-form input[type="email"] { width: 100%; }
  .footer-bottom { flex-direction: column; gap: var(--space-3); text-align: center; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .container { padding-inline: var(--space-4); }
  .hero { padding: var(--space-12) 0 var(--space-16); }
  .section { padding: var(--space-12) 0; }
  .hero__stats { grid-template-columns: 1fr; gap: var(--space-3); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}