/* Nature's Supplements Inc. — Main Stylesheet */

/* ── Self-hosted fonts ───────────────────────────────────────── */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/montserrat-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/robotoslab-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --green-dark:    #1b5e38;
  --green-mid:     #2a7d50;
  --green-light:   #3fa06a;
  --green-pale:    #e8f4ed;
  --gold:          #d4a017;
  --gold-light:    #f5d76e;
  --text-dark:     #1a2332;
  --text-mid:      #3d4f5c;
  --text-light:    #6b7f8c;
  --white:         #ffffff;
  --off-white:     #f7f9f7;
  --border:        #dde8e2;
  --shadow-sm:     0 2px 8px rgba(0,0,0,.07);
  --shadow-md:     0 6px 24px rgba(0,0,0,.10);
  --shadow-lg:     0 16px 48px rgba(0,0,0,.12);
  --radius:        8px;
  --radius-lg:     16px;
  --transition:    .25s ease;
  --font-sans:     'Montserrat', system-ui, -apple-system, sans-serif;
  --font-serif:    'Roboto Slab', Georgia, serif;
  --max-w:         1200px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-mid); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font-sans); }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-dark); }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p { margin-bottom: 1rem; color: var(--text-mid); }
p:last-child { margin-bottom: 0; }
strong { color: var(--text-dark); }

.section-label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green-mid);
  margin-bottom: .75rem;
}
.section-title { margin-bottom: 1rem; }
.section-subtitle { font-size: 1.05rem; color: var(--text-mid); max-width: 640px; }
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ── Layout ─────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-lg { padding: 7rem 0; }
.bg-off { background: var(--off-white); }
.bg-green-dark { background: var(--green-dark); color: var(--white); }
.bg-green-pale { background: var(--green-pale); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2rem; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 2rem;
  font-size: .95rem; font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green-mid);
  color: var(--white);
  border-color: var(--green-mid);
}
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); color: var(--white); }
.btn-outline {
  background: transparent;
  color: var(--green-mid);
  border-color: var(--green-mid);
}
.btn-outline:hover { background: var(--green-mid); color: var(--white); }
.btn-gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}
.btn-gold:hover { background: #b8880f; border-color: #b8880f; color: var(--white); }
.btn-white {
  background: var(--white);
  color: var(--green-dark);
  border-color: var(--white);
}
.btn-white:hover { background: var(--green-pale); border-color: var(--green-pale); color: var(--green-dark); }
.btn-sm { padding: .6rem 1.4rem; font-size: .875rem; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: .75rem; }
.logo img { height: 44px; width: auto; }
.logo-text { font-size: .75rem; font-weight: 600; color: var(--text-light); letter-spacing: .04em; line-height: 1.3; }

.nav { display: flex; align-items: center; gap: .25rem; }
.nav a {
  padding: .5rem .85rem;
  font-size: .875rem; font-weight: 600;
  color: var(--text-mid);
  border-radius: var(--radius);
  transition: all var(--transition);
  letter-spacing: .02em;
}
.nav a:hover, .nav a.active { color: var(--green-mid); background: var(--green-pale); }

.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: ' ▾'; font-size: .65rem; }
.dropdown-menu {
  display: none;
  position: absolute; top: calc(100% + .5rem); left: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 220px;
  padding: .5rem;
}
.nav-dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block; padding: .6rem 1rem;
  font-size: .875rem; color: var(--text-mid);
  border-radius: 6px;
}
.dropdown-menu a:hover { background: var(--green-pale); color: var(--green-mid); }

.header-cta { margin-left: 1rem; }
.menu-toggle {
  display: none; background: none; border: none;
  padding: .5rem; flex-direction: column; gap: 5px;
}
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: all var(--transition); }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
  padding-top: 72px;
}
.hero-video-wrap {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero-video-wrap video {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(27,94,56,.85) 0%, rgba(26,35,50,.6) 100%);
  z-index: 1;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 680px;
  color: var(--white);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 100px;
  padding: .4rem 1rem;
  font-size: .8rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}
.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero h1 span { color: var(--gold-light); }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,.88); margin-bottom: 2rem; max-width: 560px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.2);
  flex-wrap: wrap;
}
.hero-stat strong { display: block; font-size: 2rem; font-weight: 800; color: var(--gold-light); }
.hero-stat span { font-size: .85rem; color: rgba(255,255,255,.75); }

/* ── Page Hero (inner pages) ────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, #0e3d22 100%);
  padding: 7rem 0 4rem;
  color: var(--white);
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 1rem; }
.page-hero p { color: rgba(255,255,255,.8); font-size: 1.1rem; max-width: 600px; margin: 0 auto 1.5rem; }
.breadcrumb {
  display: flex; align-items: center; justify-content: center;
  gap: .5rem; font-size: .875rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: rgba(255,255,255,.75); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,.4); }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card-img { aspect-ratio: 16/10; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 1.75rem; }
.card-tag {
  display: inline-block;
  padding: .25rem .75rem;
  background: var(--green-pale);
  color: var(--green-mid);
  font-size: .75rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.card-body h3 { margin-bottom: .75rem; }
.card-body p { font-size: .925rem; }

/* ── Feature blocks ─────────────────────────────────────────── */
.feature-icon {
  width: 56px; height: 56px;
  background: var(--green-pale);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.feature-block h3 { margin-bottom: .6rem; }

/* ── Process steps ──────────────────────────────────────────── */
.steps { counter-reset: step; }
.step {
  display: flex; gap: 1.5rem;
  position: relative;
  padding-bottom: 2.5rem;
}
.step:last-child { padding-bottom: 0; }
.step::before {
  content: '';
  position: absolute; top: 2.5rem; left: 1.25rem;
  width: 2px; height: calc(100% - 2rem);
  background: var(--border);
}
.step:last-child::before { display: none; }
.step-num {
  counter-increment: step;
  width: 2.5rem; height: 2.5rem;
  background: var(--green-mid);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .9rem;
  flex-shrink: 0;
  position: relative; z-index: 1;
}
.step-content h3 { margin-bottom: .4rem; font-size: 1.1rem; }
.step-content p { font-size: .9rem; }

/* ── FAQ accordion (native <details>/<summary>) ──────────────── */
details.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: .75rem;
}
details.faq-item > summary.faq-question {
  list-style: none;
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 1rem; font-weight: 600; color: var(--text-dark);
  cursor: pointer;
  transition: background var(--transition);
  gap: 1rem;
}
details.faq-item > summary.faq-question::-webkit-details-marker { display: none; }
details.faq-item > summary.faq-question::marker { content: ''; }
details.faq-item > summary.faq-question:hover { background: var(--green-pale); }
details.faq-item > summary.faq-question::after {
  content: '+';
  width: 24px; height: 24px; flex-shrink: 0;
  background: var(--green-pale);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; color: var(--green-mid);
  transition: transform var(--transition), background var(--transition);
}
details[open].faq-item > summary.faq-question::after {
  transform: rotate(45deg); background: var(--green-mid); color: var(--white);
}
.faq-answer { padding: 0 1.5rem 1.5rem; }
.faq-answer p { font-size: .95rem; margin-bottom: .75rem; }
.faq-answer ul { list-style: disc; padding-left: 1.5rem; }
.faq-answer li { margin-bottom: .4rem; font-size: .95rem; color: var(--text-mid); }

/* ── Article styles ─────────────────────────────────────────── */
.article-meta {
  display: flex; align-items: center; gap: 1rem;
  font-size: .875rem; color: var(--text-light);
  margin-bottom: 2rem; flex-wrap: wrap;
}
.article-meta span { display: flex; align-items: center; gap: .4rem; }

.article-toc {
  background: var(--green-pale);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  margin-bottom: 2.5rem;
}
.article-toc h4 { margin-bottom: 1rem; font-size: 1rem; }
.article-toc ol { list-style: decimal; padding-left: 1.5rem; }
.article-toc li { margin-bottom: .4rem; }
.article-toc a { font-size: .925rem; color: var(--green-mid); }

.article-body h2 { margin: 2.5rem 0 1rem; padding-top: .5rem; }
.article-body h3 { margin: 2rem 0 .75rem; color: var(--green-dark); }
.article-body h4 { margin: 1.5rem 0 .5rem; }
.article-body p { margin-bottom: 1.25rem; }
.article-body ul, .article-body ol { padding-left: 1.75rem; margin-bottom: 1.25rem; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: .5rem; color: var(--text-mid); line-height: 1.65; }
.article-body strong { color: var(--text-dark); }
.article-body blockquote {
  border-left: 4px solid var(--green-mid);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--green-pale);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text-mid);
}
.article-body .callout {
  background: var(--green-pale);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 2rem 0;
}
.article-body .callout-title { font-weight: 700; color: var(--green-dark); margin-bottom: .5rem; }
.article-body table { width: 100%; border-collapse: collapse; margin: 2rem 0; font-size: .9rem; }
.article-body th { background: var(--green-dark); color: var(--white); padding: .75rem 1rem; text-align: left; }
.article-body td { padding: .75rem 1rem; border-bottom: 1px solid var(--border); color: var(--text-mid); }
.article-body tr:nth-child(even) td { background: var(--off-white); }

.article-sidebar {
  position: sticky; top: 100px;
}
.sidebar-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.sidebar-box h4 { margin-bottom: 1rem; font-size: 1rem; }
.sidebar-box ul { list-style: none; }
.sidebar-box li { padding: .5rem 0; border-bottom: 1px solid var(--border); font-size: .9rem; }
.sidebar-box li:last-child { border-bottom: none; }
.sidebar-cta {
  background: var(--green-dark);
  color: var(--white);
  text-align: center;
}
.sidebar-cta h4 { color: var(--white); margin-bottom: .5rem; }
.sidebar-cta p { color: rgba(255,255,255,.8); font-size: .875rem; margin-bottom: 1.25rem; }

/* ── Stats bar ──────────────────────────────────────────────── */
.stats-bar { background: var(--green-dark); padding: 2.5rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; text-align: center; }
.stat-item strong { display: block; font-size: 2.25rem; font-weight: 800; color: var(--gold-light); }
.stat-item span { font-size: .875rem; color: rgba(255,255,255,.75); }

/* ── Testimonial / trust ────────────────────────────────────── */
.trust-badge {
  display: flex; align-items: center; gap: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-sm);
}
.trust-badge-icon { font-size: 2rem; flex-shrink: 0; }
.trust-badge-text strong { display: block; font-size: .95rem; margin-bottom: .2rem; }
.trust-badge-text span { font-size: .8rem; color: var(--text-light); }

/* ── CTA section ────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--green-dark) 0%, #0e3d22 100%);
  padding: 5rem 0; text-align: center;
  color: var(--white);
}
.cta-section h2 { color: var(--white); margin-bottom: 1rem; }
.cta-section p { color: rgba(255,255,255,.8); max-width: 560px; margin: 0 auto 2rem; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Contact form ───────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: .5rem; color: var(--text-dark); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: .8rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans); font-size: .95rem;
  color: var(--text-dark); background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(42,125,80,.15);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer { background: var(--text-dark); color: rgba(255,255,255,.75); }
.footer-main { padding: 4rem 0 2rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { font-size: .9rem; margin-bottom: 1.25rem; }
.footer-col h4 {
  color: var(--white); font-size: .9rem;
  letter-spacing: .06em; text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-col ul li { margin-bottom: .6rem; }
.footer-col ul li a { color: rgba(255,255,255,.65); font-size: .9rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-contact-item { display: flex; gap: .75rem; margin-bottom: .9rem; font-size: .9rem; }
.footer-contact-icon { font-size: 1rem; margin-top: .1rem; flex-shrink: 0; }
.footer-contact-item span { color: rgba(255,255,255,.65); }
.footer-contact-item a { color: rgba(255,255,255,.65); }
.footer-contact-item a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.5rem 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-bottom p { font-size: .825rem; color: rgba(255,255,255,.45); margin: 0; }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { font-size: .825rem; color: rgba(255,255,255,.45); }
.footer-bottom-links a:hover { color: rgba(255,255,255,.8); }

/* ── Cert badge strip ───────────────────────────────────────── */
.cert-strip {
  background: var(--green-pale);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
}
.cert-strip-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 3rem; flex-wrap: wrap;
}
.cert-badge { display: flex; align-items: center; gap: .75rem; font-size: .875rem; font-weight: 600; color: var(--text-mid); }
.cert-badge span { font-size: 1.5rem; }

/* ── Image+text split ───────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }
.split-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.split-img img { width: 100%; height: 100%; object-fit: cover; }
.split-text h2 { margin-bottom: 1rem; }
.split-text p { margin-bottom: 1.25rem; }
.split-text .btn { margin-top: .75rem; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }
  .section-lg { padding: 4.5rem 0; }
  .nav, .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .grid-2, .grid-3, .split { grid-template-columns: 1fr; }
  .split.reverse { direction: ltr; }
  .split-img { order: -1; }
  .hero-stats { gap: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .cert-strip-inner { gap: 1.5rem; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
}

/* ── Mobile nav overlay ─────────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed; inset: 0; z-index: 2000;
  background: var(--white);
  flex-direction: column;
  padding: 1.5rem;
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; }
.mobile-nav-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-dark); }
.mobile-nav a {
  display: block; padding: 1rem 0;
  font-size: 1.1rem; font-weight: 600;
  color: var(--text-dark);
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:hover { color: var(--green-mid); }

/* ── Utility ────────────────────────────────────────────────── */
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.gap-sm { gap: .75rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.fw-normal { font-weight: 400; }
.text-green { color: var(--green-mid); }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-light); }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 3rem; align-items: start; }