/* ===========================
   MULCH CALCULATOR – style.css
   Organic/Editorial Aesthetic
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── TOKENS ── */
:root {
  --green-deep:   #1a3a2a;
  --green-mid:    #2d6a4f;
  --green-bright: #52b788;
  --green-pale:   #d8f3dc;
  --earth-dark:   #3d2b1f;
  --earth-mid:    #7c5c3e;
  --earth-light:  #c8a882;
  --earth-pale:   #f5efe6;
  --cream:        #faf7f2;
  --white:        #ffffff;
  --text-dark:    #1c2b22;
  --text-mid:     #4a5e52;
  --text-light:   #7a8f82;
  --border:       #d4e4d8;
  --shadow-sm:    0 2px 8px rgba(26,58,42,.08);
  --shadow-md:    0 6px 24px rgba(26,58,42,.12);
  --shadow-lg:    0 16px 48px rgba(26,58,42,.16);
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --radius-xl:    32px;
  --font-head:    'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --transition:   0.25s cubic-bezier(.4,0,.2,1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--green-mid); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-bright); }
ul { list-style: none; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.25; color: var(--green-deep); }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { color: var(--text-mid); margin-bottom: 1rem; }

/* ── LAYOUT ── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--alt { background: var(--earth-pale); }
.section--dark { background: var(--green-deep); }

/* ── NAVBAR ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,247,242,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.navbar__inner {
  max-width: 1160px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.navbar__logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-size: 1.25rem; font-weight: 700;
  color: var(--green-deep); text-decoration: none;
}
.navbar__logo-icon {
  width: 36px; height: 36px; background: var(--green-mid);
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-size: 1rem;
}
.navbar__links { display: flex; align-items: center; gap: 8px; }
.navbar__links a {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 500; color: var(--text-dark);
  transition: background var(--transition), color var(--transition);
}
.navbar__links a:hover, .navbar__links a.active {
  background: var(--green-pale); color: var(--green-mid);
}
.navbar__cta {
  background: var(--green-mid) !important; color: var(--white) !important;
  border-radius: var(--radius-sm) !important;
}
.navbar__cta:hover { background: var(--green-deep) !important; }
.navbar__hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.navbar__hamburger span { width: 22px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: var(--transition); }
.navbar__mobile { display: none; }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--green-deep) 0%, #2d6a4f 60%, #1a4e3a 100%);
  padding: 100px 24px 90px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 50%, rgba(82,183,136,.15) 0%, transparent 70%);
}
.hero::after {
  content: '';
  position: absolute; bottom: -1px; left: 0; right: 0; height: 60px;
  background: var(--cream);
  clip-path: ellipse(55% 100% at 50% 100%);
}
.hero__inner {
  max-width: 1160px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 1;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(82,183,136,.2); border: 1px solid rgba(82,183,136,.4);
  color: var(--green-bright); font-size: .8rem; font-weight: 500;
  padding: 5px 14px; border-radius: 99px; margin-bottom: 20px;
}
.hero h1 { color: var(--white); margin-bottom: 16px; }
.hero p { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 32px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__visual {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-xl);
  padding: 32px;
  backdrop-filter: blur(8px);
}
.hero__stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero__stat {
  background: rgba(255,255,255,.1); border-radius: var(--radius-md);
  padding: 20px; text-align: center;
}
.hero__stat-num { font-family: var(--font-head); font-size: 2rem; font-weight: 700; color: var(--green-bright); }
.hero__stat-label { font-size: .8rem; color: rgba(255,255,255,.7); margin-top: 4px; margin-bottom: 0; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: .95rem; font-weight: 600;
  cursor: pointer; border: none; transition: all var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn--primary {
  background: var(--green-bright); color: var(--white);
  box-shadow: 0 4px 16px rgba(82,183,136,.35);
}
.btn--primary:hover { background: #3da874; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(82,183,136,.4); color: var(--white); }
.btn--outline {
  background: transparent; color: var(--white);
  border: 1.5px solid rgba(255,255,255,.4);
}
.btn--outline:hover { background: rgba(255,255,255,.1); color: var(--white); }
.btn--earth {
  background: var(--earth-mid); color: var(--white);
}
.btn--earth:hover { background: var(--earth-dark); transform: translateY(-2px); color: var(--white); }
.btn--green {
  background: var(--green-mid); color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn--green:hover { background: var(--green-deep); transform: translateY(-2px); color: var(--white); }
.btn--sm { padding: 9px 20px; font-size: .85rem; }

/* ── CALCULATOR ── */
.calculator {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 900px; margin: 0 auto;
}
.calculator__header {
  background: linear-gradient(135deg, var(--green-mid), var(--green-deep));
  padding: 32px 40px;
  display: flex; align-items: center; gap: 16px;
}
.calculator__icon { font-size: 2.5rem; }
.calculator__header h2 { color: var(--white); margin: 0; font-size: 1.6rem; }
.calculator__header p { color: rgba(255,255,255,.75); margin: 4px 0 0; font-size: .9rem; }
.calculator__body { padding: 40px; }
.calculator__unit-toggle {
  display: flex; gap: 0; margin-bottom: 32px;
  background: var(--earth-pale); border-radius: var(--radius-md);
  padding: 4px; width: fit-content;
}
.unit-btn {
  padding: 9px 24px; border-radius: calc(var(--radius-md) - 3px);
  border: none; cursor: pointer; font-family: var(--font-body);
  font-size: .9rem; font-weight: 500; transition: all var(--transition);
  background: transparent; color: var(--text-mid);
}
.unit-btn.active {
  background: var(--white); color: var(--green-deep);
  box-shadow: var(--shadow-sm); font-weight: 600;
}
.calculator__inputs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-bottom: 32px;
}
.input-group label {
  display: block; font-size: .85rem; font-weight: 600;
  color: var(--text-dark); margin-bottom: 8px; letter-spacing: .02em;
  text-transform: uppercase;
}
.input-group input {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid var(--border); border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: 1rem; color: var(--text-dark);
  background: var(--cream); transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.input-group input:focus {
  border-color: var(--green-bright);
  box-shadow: 0 0 0 3px rgba(82,183,136,.15);
  background: var(--white);
}
.input-group input.error { border-color: #e55; box-shadow: 0 0 0 3px rgba(238,85,85,.12); }
.input-group .input-unit {
  display: block; font-size: .8rem; color: var(--text-light); margin-top: 6px;
}
.error-msg { font-size: .8rem; color: #e55; margin-top: 4px; display: none; }
.calculator__actions { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.calculator__results {
  display: none;
  background: var(--green-pale); border-radius: var(--radius-lg);
  padding: 32px; animation: fadeInUp .4s ease;
}
.calculator__results.visible { display: block; }
.results__title {
  font-family: var(--font-head); font-size: 1.2rem; color: var(--green-deep);
  margin-bottom: 24px; display: flex; align-items: center; gap: 10px;
}
.results__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.result-card {
  background: var(--white); border-radius: var(--radius-md);
  padding: 20px; border: 1px solid var(--border);
  text-align: center; transition: transform var(--transition), box-shadow var(--transition);
}
.result-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.result-card__num {
  font-family: var(--font-head); font-size: 2.2rem; font-weight: 700;
  color: var(--green-mid); line-height: 1;
}
.result-card__label { font-size: .85rem; color: var(--text-mid); margin-top: 6px; margin-bottom: 0; }
.result-card__sub { font-size: .75rem; color: var(--text-light); margin-top: 2px; margin-bottom: 0; }
.calc-tip {
  margin-top: 20px; padding: 14px 18px;
  background: rgba(82,183,136,.1); border-left: 3px solid var(--green-bright);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: .85rem; color: var(--text-mid);
}
.calc-tip p { margin: 0; }

/* ── HOW IT WORKS ── */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step-card {
  text-align: center; padding: 40px 28px;
  background: var(--white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-card__num {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--green-pale); color: var(--green-mid);
  font-family: var(--font-head); font-size: 1.5rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.step-card h3 { font-size: 1.1rem; margin-bottom: 10px; }

/* ── FEATURES ── */
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.feature-item {
  display: flex; gap: 20px; padding: 28px;
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-icon {
  width: 52px; height: 52px; flex-shrink: 0;
  background: var(--green-pale); border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.feature-item h4 { margin-bottom: 6px; }
.feature-item p { margin: 0; font-size: .9rem; }

/* ── INFO SECTION ── */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.info-visual {
  background: var(--green-pale);
  border-radius: var(--radius-xl); padding: 40px;
  border: 1px solid var(--border);
}
.info-table { width: 100%; border-collapse: collapse; margin-top: 16px; }
.info-table th {
  background: var(--green-mid); color: var(--white);
  padding: 12px 16px; text-align: left; font-size: .85rem;
  font-family: var(--font-body); font-weight: 600;
}
.info-table th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.info-table th:last-child { border-radius: 0 var(--radius-sm) 0 0; }
.info-table td { padding: 11px 16px; font-size: .9rem; color: var(--text-mid); border-bottom: 1px solid var(--border); }
.info-table tr:last-child td { border-bottom: none; }
.info-table tr:nth-child(even) td { background: rgba(216,243,220,.3); }
.info-text h2 { margin-bottom: 16px; }
.info-text p { margin-bottom: 16px; }
.info-text ul { padding-left: 0; }
.info-text ul li {
  padding: 8px 0 8px 28px; position: relative;
  font-size: .95rem; color: var(--text-mid); border-bottom: 1px solid var(--border);
}
.info-text ul li::before {
  content: '✓'; position: absolute; left: 0;
  color: var(--green-bright); font-weight: 700;
}
.info-text ul li:last-child { border-bottom: none; }

/* ── BLOG SECTION (homepage teasers) ── */
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.blog-card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.blog-card__thumb {
  height: 180px;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
}
.blog-card__thumb--green { background: linear-gradient(135deg, #d8f3dc, #b7e4c7); }
.blog-card__thumb--earth { background: linear-gradient(135deg, #f5efe6, #e8d5be); }
.blog-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.blog-card__tag {
  display: inline-block; padding: 3px 10px;
  background: var(--green-pale); color: var(--green-mid);
  font-size: .75rem; font-weight: 600; border-radius: 99px;
  text-transform: uppercase; letter-spacing: .04em; margin-bottom: 12px;
}
.blog-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.blog-card p { font-size: .9rem; flex: 1; }
.blog-card__footer { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; }
.blog-card__meta { font-size: .8rem; color: var(--text-light); }

/* ── BLOG PAGE LAYOUT ── */
.blog-layout {
  display: grid; grid-template-columns: 1fr 300px; gap: 48px;
  max-width: 1160px; margin: 0 auto; padding: 60px 24px;
}
.blog-main {}
.blog-sidebar {}

/* Blog listing cards */
.post-list { display: flex; flex-direction: column; gap: 28px; }
.post-card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border); overflow: hidden;
  box-shadow: var(--shadow-sm); display: flex;
  transition: transform var(--transition), box-shadow var(--transition);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-card__thumb {
  width: 220px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem;
}
.post-card__body { padding: 28px; flex: 1; }
.post-card__tag {
  display: inline-block; padding: 3px 10px;
  background: var(--green-pale); color: var(--green-mid);
  font-size: .75rem; font-weight: 600; border-radius: 99px;
  text-transform: uppercase; letter-spacing: .04em; margin-bottom: 12px;
}
.post-card h2 { font-size: 1.3rem; margin-bottom: 10px; }
.post-card p { font-size: .9rem; margin-bottom: 16px; }
.post-card__meta { font-size: .8rem; color: var(--text-light); margin-bottom: 16px; margin-top: 0; }

/* Sidebar */
.sidebar-widget {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border); padding: 24px;
  margin-bottom: 24px; box-shadow: var(--shadow-sm);
}
.sidebar-widget h3 {
  font-size: 1rem; text-transform: uppercase;
  letter-spacing: .05em; margin-bottom: 16px;
  padding-bottom: 12px; border-bottom: 2px solid var(--green-pale);
  color: var(--green-deep);
}
.sidebar-links { display: flex; flex-direction: column; gap: 10px; }
.sidebar-links a {
  font-size: .9rem; color: var(--text-mid); padding: 8px 0;
  border-bottom: 1px solid var(--border); display: flex;
  align-items: center; gap: 8px;
}
.sidebar-links a:last-child { border-bottom: none; }
.sidebar-links a::before { content: '→'; color: var(--green-bright); font-size: .8rem; }
.sidebar-calc {
  background: linear-gradient(135deg, var(--green-mid), var(--green-deep));
  border-radius: var(--radius-lg); padding: 24px; text-align: center;
}
.sidebar-calc h3 { color: var(--white); font-size: 1rem; margin-bottom: 8px; border: none; padding: 0; }
.sidebar-calc p { color: rgba(255,255,255,.75); font-size: .85rem; margin-bottom: 16px; }

/* ── ARTICLE ── */
.article-hero {
  background: linear-gradient(135deg, var(--green-deep), #2d6a4f);
  padding: 60px 24px 80px;
}
.article-hero .breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-size: .85rem; margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,.4); }
.breadcrumb .current { color: rgba(255,255,255,.9); }
.article-hero h1 { color: var(--white); max-width: 700px; }
.article-hero .article-meta {
  display: flex; gap: 20px; margin-top: 20px; flex-wrap: wrap;
}
.article-meta span {
  display: flex; align-items: center; gap: 6px;
  color: rgba(255,255,255,.7); font-size: .85rem;
}
.article-layout {
  display: grid; grid-template-columns: 1fr 300px; gap: 48px;
  max-width: 1160px; margin: 0 auto; padding: 60px 24px;
}
.article-content {}
.article-content h2 { margin: 40px 0 16px; }
.article-content h3 { margin: 28px 0 12px; }
.article-content p { font-size: 1rem; line-height: 1.8; margin-bottom: 20px; }
.article-content ul, .article-content ol {
  padding-left: 24px; margin-bottom: 20px;
}
.article-content li { margin-bottom: 8px; color: var(--text-mid); font-size: 1rem; line-height: 1.7; }
.article-content table { width: 100%; border-collapse: collapse; margin: 28px 0; }
.article-content th {
  background: var(--green-mid); color: var(--white);
  padding: 12px 16px; text-align: left; font-size: .9rem;
}
.article-content td { padding: 11px 16px; border-bottom: 1px solid var(--border); font-size: .9rem; color: var(--text-mid); }
.article-content tr:nth-child(even) td { background: var(--green-pale); }
.article-content blockquote {
  border-left: 4px solid var(--green-bright); padding: 16px 24px;
  background: var(--green-pale); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 28px 0;
}
.article-content blockquote p { margin: 0; font-style: italic; color: var(--green-deep); }
.callout {
  background: var(--earth-pale); border: 1px solid var(--earth-light);
  border-radius: var(--radius-md); padding: 20px 24px; margin: 28px 0;
  display: flex; gap: 14px; align-items: flex-start;
}
.callout__icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.callout p { margin: 0; font-size: .95rem; }
.toc {
  background: var(--green-pale); border-radius: var(--radius-md);
  padding: 24px; margin-bottom: 40px; border: 1px solid var(--border);
}
.toc h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 14px; }
.toc ol { padding-left: 20px; margin: 0; }
.toc li { margin-bottom: 6px; }
.toc a { font-size: .9rem; color: var(--green-mid); }
.related-posts {
  background: var(--earth-pale); border-radius: var(--radius-lg);
  padding: 32px; margin-top: 48px;
}
.related-posts h3 { margin-bottom: 20px; }
.related-posts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.related-card {
  background: var(--white); border-radius: var(--radius-md);
  padding: 20px; border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.related-card h4 { font-size: .95rem; margin-bottom: 8px; }
.related-card p { font-size: .85rem; margin-bottom: 12px; }

/* ── PAGE HERO (blog listing) ── */
.page-hero {
  background: linear-gradient(135deg, var(--green-deep), #2d6a4f);
  padding: 60px 24px; text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.75); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ── CTA BANNER ── */
.cta-banner {
  background: linear-gradient(135deg, var(--earth-mid), var(--earth-dark));
  padding: 80px 24px; text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 14px; }
.cta-banner p { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-banner .btn--primary { font-size: 1.05rem; padding: 16px 36px; }

/* ── FOOTER ── */
.footer {
  background: var(--green-deep); padding: 60px 24px 0;
  color: rgba(255,255,255,.7);
}
.footer__grid {
  max-width: 1160px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__brand .navbar__logo { margin-bottom: 14px; color: var(--white); }
.footer__brand .navbar__logo-icon { background: rgba(255,255,255,.2); }
.footer__brand p { font-size: .9rem; line-height: 1.7; max-width: 280px; }
.footer__col h4 {
  color: var(--white); font-size: .85rem; text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: 16px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col ul li a { font-size: .9rem; color: rgba(255,255,255,.6); }
.footer__col ul li a:hover { color: var(--green-bright); }
.footer__bottom {
  max-width: 1160px; margin: 0 auto;
  padding: 20px 0; display: flex; justify-content: space-between;
  align-items: center; font-size: .85rem;
}
.footer__bottom a { color: rgba(255,255,255,.5); }
.footer__bottom a:hover { color: var(--green-bright); }

/* ── SECTION HEADER ── */
.section-header { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-header .eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--green-bright); margin-bottom: 12px;
}
.section-header h2 { margin-bottom: 14px; }
.section-header p { font-size: 1.05rem; color: var(--text-mid); margin: 0; }

/* ── ANIMATIONS ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp .6s ease both; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { max-width: 440px; }
  .calculator__inputs { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-layout { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .post-card { flex-direction: column; }
  .post-card__thumb { width: 100%; height: 140px; }
  .results__grid { grid-template-columns: 1fr 1fr; }
  .related-posts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .navbar__links { display: none; }
  .navbar__mobile.open { display: flex; flex-direction: column; gap: 4px; padding: 12px 0; }
  .navbar__mobile a { padding: 10px 16px; border-radius: var(--radius-sm); font-size: .95rem; color: var(--text-dark); }
  .navbar__mobile a:hover { background: var(--green-pale); }
  .navbar__hamburger { display: flex; }
  .section { padding: 56px 0; }
  .calculator__header { padding: 24px; }
  .calculator__body { padding: 24px; }
  .calculator__inputs { grid-template-columns: 1fr; }
  .calculator__actions { flex-direction: column; }
  .results__grid { grid-template-columns: 1fr; }
  .hero__stat-grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero__actions { flex-direction: column; }
  .article-hero { padding: 40px 20px 60px; }
}