@font-face { font-family: 'Merriweather'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/merriweather-400.ttf') format('truetype'); }
@font-face { font-family: 'Merriweather'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/merriweather-700.ttf') format('truetype'); }
@font-face { font-family: 'Merriweather'; font-style: normal; font-weight: 900; font-display: swap; src: url('../fonts/merriweather-900.ttf') format('truetype'); }
@font-face { font-family: 'Merriweather'; font-style: italic; font-weight: 400; font-display: swap; src: url('../fonts/merriweather-italic-400.ttf') format('truetype'); }
@font-face { font-family: 'Merriweather'; font-style: italic; font-weight: 700; font-display: swap; src: url('../fonts/merriweather-italic-700.ttf') format('truetype'); }
@font-face { font-family: 'Source Sans 3'; font-style: normal; font-weight: 300; font-display: swap; src: url('../fonts/sourcesans3-300.ttf') format('truetype'); }
@font-face { font-family: 'Source Sans 3'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/sourcesans3-400.ttf') format('truetype'); }
@font-face { font-family: 'Source Sans 3'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/sourcesans3-500.ttf') format('truetype'); }
@font-face { font-family: 'Source Sans 3'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/sourcesans3-600.ttf') format('truetype'); }
@font-face { font-family: 'Source Sans 3'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/sourcesans3-700.ttf') format('truetype'); }

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

:root {
  --ink: #132a2a;
  --ink-soft: #345050;
  --muted-txt: #667a78;
  --page-bg: #f3f8f6;
  --surface: #ffffff;
  --border-line: #d9e5e1;
  --accent-red: #147d6f;
  --accent-red-hover: #0f655a;
  --accent-lt: #eaf7f3;
  --tag-bg: #e4f2ef;
  --tag-txt: #176c62;
  --green-cta: #1d6e5f;
  --green-hover: #145448;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 2px 12px rgba(0,0,0,.07);
  --shadow-cta: 0 4px 20px rgba(20,125,111,.26);
  --max-content: 780px;
  --max-wide: 1100px;
  --font-body: 'Source Sans 3', system-ui, sans-serif;
  --font-serif: 'Merriweather', Georgia, serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink-soft);
  background: var(--page-bg);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
ul { list-style: none; }

/* ─── TOPBAR ─── */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border-line);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow .25s;
}
.topbar.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,.08); }
.topbar-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-brand {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.site-brand span { color: var(--accent-red); }
.topbar-nav { display: flex; gap: 1.5rem; }
.topbar-nav a {
  font-size: .85rem;
  font-weight: 500;
  color: var(--muted-txt);
  text-decoration: none;
  transition: color .2s;
}
.topbar-nav a:hover { color: var(--ink); }
.burger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* ─── ARTICLE WRAP ─── */
.page-outer {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

/* ─── ARTICLE HEADER ─── */
.story-header { max-width: var(--max-content); margin: 0 auto 2.5rem; }
.story-kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--tag-txt);
  background: var(--tag-bg);
  border-radius: 4px;
  padding: .25rem .6rem;
  margin-bottom: 1rem;
}
.story-kicker::before {
  content: '';
  display: inline-block;
  width: 7px; height: 7px;
  background: var(--accent-red);
  border-radius: 50%;
}
.story-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.22;
  color: var(--ink);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.story-headline em { color: var(--accent-red); font-style: normal; }
.story-sub {
  font-size: 1.125rem;
  color: var(--ink-soft);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}
.story-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .82rem;
  color: var(--muted-txt);
  border-top: 1px solid var(--border-line);
  padding-top: .9rem;
}
.story-meta-dot { color: var(--border-line); }

.btn-green-lg {
  display: inline-block;
  background: var(--green-cta);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  padding: .85rem 2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background .2s, transform .15s;
  white-space: nowrap;
}
.btn-green-lg:hover { background: var(--green-hover); transform: translateY(-1px); }

/* ─── ARTICLE BODY ─── */
.story-body {
  max-width: var(--max-content);
  margin: 0 auto;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--ink-soft);
}
.story-body p { margin-bottom: 1.25rem; }
.story-body h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ink);
  margin: 2.5rem 0 .85rem;
  line-height: 1.35;
}
.story-body h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  margin: 2rem 0 .6rem;
}
.story-body strong { color: var(--ink); font-weight: 600; }
.story-body ul.dot-list {
  margin: .5rem 0 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.story-body ul.dot-list li {
  display: flex;
  gap: .6rem;
  align-items: flex-start;
}
.story-body ul.dot-list li::before {
  content: '✗';
  color: var(--accent-red);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: .1rem;
}
.story-body ul.check-list {
  margin: .5rem 0 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.story-body ul.check-list li {
  display: flex;
  gap: .6rem;
  align-items: flex-start;
}
.story-body ul.check-list li::before {
  content: '✓';
  color: var(--green-cta);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: .1rem;
}

/* ─── PULL QUOTE ─── */
.pull-quote {
  border-left: 4px solid var(--accent-red);
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.pull-quote p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--ink);
  margin: 0;
  line-height: 1.6;
}

.source-note {
  font-size: .9rem;
  color: var(--muted-txt);
}

/* ─── MEDIA PANELS (3 image blocks) ─── */
.media-panel {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 2.5rem auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  box-shadow: var(--shadow-card);
  max-width: var(--max-content);
}
.media-panel.flip { direction: rtl; }
.media-panel.flip > * { direction: ltr; }
.media-panel__img {
  overflow: hidden;
}
.media-panel__img img {
  width: 100%;
  height: auto;
  display: block;
}
.media-panel__body {
  padding: 1.75rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .85rem;
}
.media-panel__tag {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent-red);
}
.media-panel__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
}
.media-panel__text {
  font-size: .95rem;
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0;
}
.media-panel__link {
  font-size: .88rem;
  font-weight: 600;
  color: var(--accent-red);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  transition: gap .2s;
}
.media-panel__link:hover { gap: .6rem; }
.media-panel__link::after { content: '→'; }

/* ─── SOLUTION SECTION ─── */
.solution-block {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem;
  margin: 2.5rem auto;
  max-width: var(--max-content);
  box-shadow: var(--shadow-card);
}
.solution-block__eyebrow {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--green-cta);
  margin-bottom: .5rem;
}
.solution-block__title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.solution-block__body { font-size: .98rem; color: var(--ink-soft); line-height: 1.7; margin-bottom: 1.25rem; }
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.feature-item {
  display: flex;
  gap: .6rem;
  align-items: flex-start;
  font-size: .92rem;
  color: var(--ink-soft);
}
.feature-item::before {
  content: '✓';
  color: var(--green-cta);
  font-weight: 700;
  flex-shrink: 0;
}

/* ─── END-OF-ARTICLE CTA ─── */
.article-cta-end {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  margin: 3rem auto;
  max-width: var(--max-content);
  box-shadow: var(--shadow-card);
}
.article-cta-end__eyebrow {
  display: block;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--green-cta);
  margin-bottom: .6rem;
}
.article-cta-end__title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: .75rem;
  line-height: 1.3;
}
.article-cta-end__body {
  font-size: .97rem;
  color: var(--ink-soft);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 52ch;
}
.article-cta-end__actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.article-cta-end__note {
  font-size: .8rem;
  color: var(--muted-txt);
}

/* ─── DISCLAIMER ─── */
.disclaimer-box {
  background: #f3f4f6;
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-size: .78rem;
  color: var(--muted-txt);
  line-height: 1.55;
  max-width: var(--max-content);
  margin: 1.5rem auto 0;
}

/* ─── LEGAL PAGES ─── */
.legal-outer {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 5rem;
}
.legal-page-head {
  max-width: var(--max-content);
  margin: 0 auto 2.5rem;
}
.legal-page-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--ink);
  margin-bottom: .5rem;
}
.legal-page-head p { color: var(--muted-txt); font-size: .9rem; }
.legal-content-area {
  max-width: var(--max-content);
  margin: 0 auto;
}
.legal-content-area h2 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  margin: 2rem 0 .6rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--border-line);
}
.legal-content-area h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin: 1.2rem 0 .4rem;
}
.legal-content-area p { margin-bottom: 1rem; font-size: .97rem; line-height: 1.75; }
.legal-content-area ul { margin: .5rem 0 1rem 1.25rem; }
.legal-content-area ul li { margin-bottom: .4rem; font-size: .95rem; list-style: disc; }
.legal-content-area a { color: var(--accent-red); text-decoration: none; }
.legal-content-area a:hover { text-decoration: underline; }

/* ─── FOOTER ─── */
.page-footer {
  background: var(--ink);
  color: rgba(255,255,255,.6);
  margin-top: 4rem;
}
.footer-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}
.footer-brand-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: .5rem;
}
.footer-brand-name span { color: var(--accent-red); }
.footer-tagline { font-size: .85rem; line-height: 1.6; }
.footer-tagline a { color: rgba(255,255,255,.72); text-decoration: none; }
.footer-tagline a:hover { color: #fff; text-decoration: underline; }
.footer-legal-nav h4 { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: rgba(255,255,255,.4); margin-bottom: .75rem; }
.footer-legal-nav ul { display: flex; flex-direction: column; gap: .4rem; }
.footer-legal-nav a { font-size: .85rem; color: rgba(255,255,255,.6); text-decoration: none; transition: color .2s; }
.footer-legal-nav a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1rem 1.25rem;
  max-width: var(--max-wide);
  margin: 0 auto;
  font-size: .78rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
}
.footer-bottom a { color: rgba(255,255,255,.45); text-decoration: none; }
.footer-bottom a:hover { color: rgba(255,255,255,.8); }

/* ─── INSTALL GUIDE ─── */
.install-guide {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 2rem;
  margin: 2.5rem auto;
  max-width: var(--max-content);
  box-shadow: var(--shadow-card);
}
.install-guide__eyebrow {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--green-cta);
  margin-bottom: .5rem;
}
.install-guide__title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}
.install-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}
.install-step {
  background: var(--page-bg);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.step-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 900;
  color: var(--green-cta);
  line-height: 1;
  opacity: .7;
}
.install-step h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin: 0;
}
.install-step p {
  font-size: .88rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0;
}
.install-guide__cta {
  text-align: center;
  padding-top: .25rem;
}

/* ─── FAQ ─── */
.faq-section {
  max-width: var(--max-content);
  margin: 2.5rem auto;
}
.faq-heading {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.25rem;
  line-height: 1.3;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.faq-entry {
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: .98rem;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: background .15s;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent-red);
  flex-shrink: 0;
  transition: transform .2s;
  line-height: 1;
}
.faq-entry[open] .faq-question { background: var(--accent-lt); }
.faq-entry[open] .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 1.25rem 1rem;
  border-top: 1px solid var(--border-line);
}
.faq-answer p {
  font-size: .95rem;
  color: var(--ink-soft);
  line-height: 1.75;
  margin: .75rem 0 0;
}
.faq-answer a { color: var(--accent-red); text-decoration: none; }
.faq-answer a:hover { text-decoration: underline; }

/* ─── RESPONSIVE ─── */
@media (max-width: 720px) {
  .media-panel { grid-template-columns: 1fr; }
  .media-panel.flip { direction: ltr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .topbar-nav { display: none; }
  .burger-btn { display: flex; }
  .topbar-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px; left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border-line);
    padding: 1rem 1.25rem;
    gap: 1rem;
    box-shadow: 0 8px 20px rgba(0,0,0,.08);
  }
  .media-panel.flip .media-panel__img { order: -1; }
  .install-steps { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .page-outer { padding: 1.5rem .9rem 3rem; }
  .article-cta-end { padding: 1.75rem 1.25rem; }
  .solution-block { padding: 1.5rem 1.25rem; }
}