/* SecurityInstall — lightweight theme styles */

:root {
  --si-ink: #0f172a;
  --si-slate: #334155;
  --si-muted: #64748b;
  --si-surface: #f1f5f9;
  --si-paper: #ffffff;
  --si-accent: #0d9488;
  --si-accent-dark: #0f766e;
  --si-line: #e2e8f0;
  --si-hero-grad: linear-gradient(145deg, #0f172a 0%, #134e4a 55%, #0d9488 120%);
  --si-radius: 12px;
  --si-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  --si-font: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --si-display: "Source Serif 4", Georgia, "Times New Roman", serif;
  --si-wrap: 1120px;
  --si-narrow: 720px;
  --si-header-h: 64px;
  --si-admin-bar: 0px;
}

/* WP admin bar offsets (used by sticky header JS + CSS fallback) */
body.admin-bar {
  --si-admin-bar: 32px;
}
@media screen and (max-width: 782px) {
  body.admin-bar {
    --si-admin-bar: 46px;
  }
}
@media screen and (max-width: 600px) {
  body.admin-bar {
    --si-admin-bar: 0px; /* admin bar scrolls away on small screens */
  }
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--si-font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--si-ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(13, 148, 136, 0.08), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(15, 23, 42, 0.05), transparent 50%),
    var(--si-paper);
  -webkit-font-smoothing: antialiased;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

a { color: var(--si-accent-dark); text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
a:hover { color: var(--si-ink); }

h1, h2, h3, h4 {
  font-family: var(--si-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
}

p { margin: 0 0 1em; }

.si-wrap {
  width: min(100% - 2rem, var(--si-wrap));
  margin-inline: auto;
}
.si-wrap--narrow { width: min(100% - 2rem, var(--si-narrow)); }

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

.si-skip-link {
  position: absolute;
  left: 1rem; top: -100px;
  background: var(--si-ink);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
  border-radius: 8px;
}
.si-skip-link:focus { top: 1rem; color: #fff; }

/* Header — WPDa-style sticky: relative until scroll threshold, then fixed */
.si-header-placeholder {
  display: none;
  width: 100%;
  pointer-events: none;
}
.si-header-placeholder.is-active {
  display: block;
}

.si-header {
  position: relative;
  top: auto;
  left: auto;
  width: 100%;
  z-index: auto;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.4s ease;
}
.si-header.is-sticky {
  position: fixed !important;
  left: 0;
  right: 0;
  width: 100% !important;
  z-index: 99;
  top: var(--si-admin-bar);
  background: #f2f2f2;
  border-bottom-color: rgba(15, 23, 42, 0.06);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
.si-header__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: var(--si-header-h);
  padding-block: 6px;
}
.si-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--si-ink);
  flex-shrink: 0;
}
.si-logo__mark {
  width: 36px; height: 36px;
  border-radius: 9px;
  display: grid; place-items: center;
  background: var(--si-hero-grad);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  transition: transform 0.3s ease;
}
.si-header.is-sticky .si-logo__mark {
  transform: scale(0.92);
}
.si-logo__text { display: flex; flex-direction: column; line-height: 1.15; }
.si-logo__name { font-weight: 600; font-size: 0.95rem; }
.si-logo__tag {
  font-size: 0.7rem;
  color: var(--si-muted);
  transition: opacity 0.25s ease, max-height 0.25s ease;
}
.si-header.is-sticky .si-logo__tag {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
}

.si-nav { margin-left: auto; }
.si-nav__list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0; padding: 0;
}
.si-nav__list a {
  color: #565656;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}
.si-nav__list a:hover,
.si-nav__list .current-menu-item > a,
.si-nav__list .current_page_item > a {
  color: var(--si-ink);
}

.si-header__actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}
.si-header__actions .si-btn--primary {
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.si-search-toggle,
.si-nav-toggle {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  cursor: pointer;
  color: var(--si-ink);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.si-header.is-sticky .si-search-toggle,
.si-header.is-sticky .si-nav-toggle {
  border-color: rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.55);
}
.si-nav-toggle { display: none; }
.si-nav-toggle__bar,
.si-nav-toggle__bar::before,
.si-nav-toggle__bar::after {
  display: block;
  width: 16px; height: 2px;
  background: currentColor;
  position: relative;
  transition: transform 0.2s ease;
}
.si-nav-toggle__bar::before,
.si-nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
}
.si-nav-toggle__bar::before { top: -5px; }
.si-nav-toggle__bar::after { top: 5px; }

.si-search-panel {
  border-top: 1px solid var(--si-line);
  background: var(--si-paper);
  padding: 1rem 0 1.25rem;
}
.si-search-panel__inner { position: relative; }

.si-search-form {
  display: flex;
  gap: 0.5rem;
}
.si-search-form input[type="search"] {
  flex: 1;
  border: 1px solid var(--si-line);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font: inherit;
  background: var(--si-surface);
}
.si-search-form input:focus {
  outline: 2px solid var(--si-accent);
  outline-offset: 1px;
  background: #fff;
}
.si-search-results {
  margin-top: 0.75rem;
  border: 1px solid var(--si-line);
  border-radius: var(--si-radius);
  background: #fff;
  box-shadow: var(--si-shadow);
  overflow: hidden;
}
.si-search-results a {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--si-ink);
  border-bottom: 1px solid var(--si-line);
}
.si-search-results a:last-child { border-bottom: 0; }
.si-search-results a:hover { background: var(--si-surface); }
.si-search-results__type {
  font-size: 0.75rem;
  color: var(--si-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.si-search-results__empty,
.si-search-results__status {
  padding: 1rem;
  color: var(--si-muted);
}

/* Buttons */
.si-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.si-btn:hover { transform: translateY(-1px); }
.si-btn--primary {
  background: var(--si-accent);
  color: #fff;
}
.si-btn--primary:hover { background: var(--si-accent-dark); color: #fff; }
.si-btn--ghost {
  background: transparent;
  border-color: var(--si-line);
  color: var(--si-ink);
}
.si-btn--sm { padding: 0.55rem 0.95rem; font-size: 0.85rem; }
.si-btn--lg { padding: 0.9rem 1.4rem; }

.si-text-link {
  font-weight: 600;
  text-decoration: none;
  color: var(--si-accent-dark);
}
.si-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--si-accent-dark);
  margin: 0 0 0.75rem;
}
.si-chip {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(13,148,136,0.12);
  color: var(--si-accent-dark);
}
.si-chip--muted {
  background: var(--si-surface);
  color: var(--si-muted);
}

/* Hero */
.si-hero {
  padding: 3.5rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}
.si-hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}
.si-hero__title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin-bottom: 0.75rem;
}
.si-hero__subtitle {
  font-size: 1.15rem;
  color: var(--si-slate);
  max-width: 36ch;
  margin-bottom: 1.5rem;
}
.si-hero__search { max-width: 520px; }
.si-hero__feature-card {
  display: block;
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  box-shadow: var(--si-shadow);
  min-height: 360px;
  background: var(--si-hero-grad);
}
.si-hero__feature-card .si-media {
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.si-hero__feature-body {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(15,23,42,0.85));
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.si-hero__feature-body .si-eyebrow { color: #99f6e4; margin: 0; }
.si-hero__feature-title {
  font-family: var(--si-display);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.25;
}
.si-hero__visual {
  display: block;
  min-height: 360px;
  border-radius: 18px;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.08), transparent),
    var(--si-hero-grad);
}

/* Sections / cards */
.si-section { padding: 3rem 0; }
.si-section--alt { background: rgba(241,245,249,0.65); }
.si-section--projects { border-top: 1px solid var(--si-line); }
.si-section__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.si-section__title { margin: 0; font-size: clamp(1.5rem, 2.5vw, 2rem); }
.si-page-hero { padding: 2.5rem 0 1rem; }
.si-page-hero__title { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: 0.5rem; }
.si-page-hero__subtitle { color: var(--si-slate); max-width: 50ch; margin: 0; }
.si-page-hero--project {
  background: linear-gradient(180deg, rgba(15,23,42,0.04), transparent);
}

.si-grid {
  display: grid;
  gap: 1.5rem;
}
.si-grid--3 { grid-template-columns: repeat(3, 1fr); }

.si-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--si-line);
  border-radius: var(--si-radius);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.si-card:hover {
  box-shadow: var(--si-shadow);
  transform: translateY(-2px);
}
.si-card--project {
  border-color: rgba(15,23,42,0.12);
  background: linear-gradient(180deg, #fff, #f8fafc);
}
.si-card__media { display: block; aspect-ratio: 16/9; overflow: hidden; background: var(--si-surface); }
.si-card__media .si-media,
.si-card__placeholder {
  width: 100%; height: 100%;
  object-fit: cover;
}
.si-card__placeholder {
  display: block;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
}
.si-card__placeholder--project {
  background: var(--si-hero-grad);
  opacity: 0.85;
}
.si-card__body { padding: 1.15rem 1.2rem 1.35rem; display: flex; flex-direction: column; gap: 0.55rem; flex: 1; }
.si-card__meta { margin: 0; display: flex; flex-wrap: wrap; gap: 0.35rem; }
.si-card__title { margin: 0; font-size: 1.15rem; }
.si-card__title a { color: var(--si-ink); text-decoration: none; }
.si-card__title a:hover { color: var(--si-accent-dark); }
.si-card__excerpt { margin: 0; color: var(--si-slate); font-size: 0.95rem; flex: 1; }
.si-card__footer {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: var(--si-muted);
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.si-empty { color: var(--si-muted); }

/* Article */
.si-article__header { padding-top: 2rem; }
.si-article__title { font-size: clamp(2rem, 4vw, 2.85rem); }
.si-article__subtitle { font-size: 1.2rem; color: var(--si-slate); margin-top: -0.25rem; }
.si-article__meta {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  color: var(--si-muted); font-size: 0.92rem;
}
.si-article__featured { margin: 1.75rem auto; }
.si-article__image {
  width: 100%;
  border-radius: 16px;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.si-article__layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 2rem;
}
.entry-content > *:first-child { margin-top: 0; }
.entry-content h2, .entry-content h3 { margin-top: 1.75em; }
.entry-content ul, .entry-content ol { padding-left: 1.25rem; }
.entry-content figure { margin: 1.5rem 0; }
.entry-content img { border-radius: 10px; }
.entry-content pre {
  overflow: auto;
  padding: 1rem;
  background: var(--si-surface);
  border-radius: 8px;
}

.si-toc {
  position: sticky;
  top: calc(var(--si-admin-bar) + var(--si-header-h) + 1rem);
}
.si-toc__heading {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--si-muted);
  margin: 0 0 0.75rem;
}
.si-toc__list {
  list-style: none;
  margin: 0; padding: 0;
  border-left: 2px solid var(--si-line);
}
.si-toc__list a {
  display: block;
  padding: 0.35rem 0 0.35rem 0.85rem;
  color: var(--si-slate);
  text-decoration: none;
  font-size: 0.9rem;
}
.si-toc__list a:hover,
.si-toc__list a.is-active {
  color: var(--si-accent-dark);
  border-left: 2px solid var(--si-accent);
  margin-left: -2px;
}
.si-toc__toggle {
  display: none;
  width: 100%;
  text-align: left;
  padding: 0.85rem 1rem;
  border: 1px solid var(--si-line);
  border-radius: 10px;
  background: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

/* Author / FAQ / Related */
.si-author {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  border: 1px solid var(--si-line);
  border-radius: var(--si-radius);
  margin: 2rem 0;
  background: #fff;
}
.si-author__img { border-radius: 50%; }
.si-author__label { margin: 0; font-size: 0.8rem; color: var(--si-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.si-author__name { margin: 0.2rem 0; font-size: 1.25rem; }
.si-author__expertise { margin: 0; color: var(--si-accent-dark); font-weight: 600; font-size: 0.92rem; }
.si-author__bio { margin: 0.5rem 0 0; color: var(--si-slate); }
.si-author__reviewed { margin: 0.5rem 0 0; font-size: 0.9rem; color: var(--si-muted); }

.si-faq { margin: 2rem 0; }
.si-faq__item {
  border: 1px solid var(--si-line);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.65rem;
  background: #fff;
}
.si-faq__q { font-weight: 600; cursor: pointer; }
.si-faq__a { margin-top: 0.65rem; color: var(--si-slate); }

.si-related { padding: 2.5rem 0; }
.si-related-project {
  padding: 2.5rem 0;
  background: var(--si-ink);
  color: #fff;
}
.si-related-project__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}
.si-related-project .si-eyebrow { color: #99f6e4; }
.si-related-project__title { font-size: 1.75rem; }
.si-related-project__title a { color: #fff; text-decoration: none; }
.si-related-project__meta,
.si-related-project__excerpt { color: #cbd5e1; }
.si-related-project__media { border-radius: 14px; overflow: hidden; }
.si-related-project .si-btn--ghost {
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}

/* Project page */
.si-project-hero { padding-top: 2rem; }
.si-project-hero__title { font-size: clamp(2rem, 4vw, 2.8rem); max-width: 20ch; }
.si-project-hero__meta { color: var(--si-muted); display: flex; flex-wrap: wrap; gap: 0.4rem; }
.si-project-hero__media { margin: 1.5rem auto 0; }
.si-project-hero__media .si-media {
  width: 100%; border-radius: 16px; aspect-ratio: 16/9; object-fit: cover;
}
.si-project__overview {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 2rem;
  padding: 2.5rem 0;
}
.si-project__facts {
  border: 1px solid var(--si-line);
  border-radius: var(--si-radius);
  padding: 1.25rem;
  background: var(--si-surface);
  align-self: start;
}
.si-project__facts div { margin-bottom: 1rem; }
.si-project__facts div:last-child { margin-bottom: 0; }
.si-project__facts dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--si-muted);
  margin-bottom: 0.25rem;
}
.si-project__facts dd { margin: 0; font-weight: 600; }
.si-project__sections {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.si-equipment { display: grid; gap: 1rem; }
.si-equipment__item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--si-line);
  border-radius: 12px;
  background: #fff;
}
.si-equipment__item h3 { margin: 0 0 0.25rem; font-size: 1.05rem; }
.si-equipment__meta { margin: 0 0 0.35rem; color: var(--si-muted); font-size: 0.9rem; }

.si-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.si-steps__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  padding: 1.25rem;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--si-line);
}
.si-steps__num {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--si-hero-grad);
  color: #fff;
  font-weight: 700;
}
.si-steps__body h3 { margin-top: 0.2rem; }
.si-steps figure { margin: 1rem 0 0; }
.si-steps .si-media { border-radius: 10px; }

.si-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}
.si-gallery__item { margin: 0; border-radius: 12px; overflow: hidden; }
.si-gallery .si-media { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* CTA */
.si-cta {
  padding: 3rem 0;
  background: var(--si-hero-grad);
  color: #fff;
}
.si-cta__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}
.si-cta__title { color: #fff; margin-bottom: 0.5rem; font-size: clamp(1.5rem, 3vw, 2rem); }
.si-cta__text { margin: 0; color: #d1fae5; max-width: 50ch; }
.si-cta .si-btn--primary {
  background: #fff;
  color: var(--si-ink);
  flex-shrink: 0;
}
.si-cta .si-btn--primary:hover { background: #ecfdf5; color: var(--si-ink); }

/* Breadcrumbs */
.si-breadcrumbs { margin-bottom: 1rem; font-size: 0.9rem; color: var(--si-muted); }
.si-breadcrumbs a { color: var(--si-muted); text-decoration: none; }
.si-breadcrumbs a:hover { color: var(--si-accent-dark); }
.si-breadcrumbs__list {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  list-style: none; margin: 0; padding: 0;
}
.si-breadcrumbs__list li:not(:last-child)::after {
  content: "/";
  margin-left: 0.35rem;
  color: var(--si-line);
}

/* Contact / notices */
.si-contact { margin-top: 2rem; }
.si-contact-form label { display: block; font-weight: 600; margin-bottom: 0.35rem; }
.si-contact-form input,
.si-contact-form textarea {
  width: 100%;
  border: 1px solid var(--si-line);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font: inherit;
  background: #fff;
  margin-bottom: 1rem;
}
.si-hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.si-notice {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
}
.si-notice--success { background: #ecfdf5; color: #065f46; }
.si-notice--error { background: #fef2f2; color: #991b1b; }
.si-contact__alt { margin-top: 1.5rem; color: var(--si-slate); }

/* Footer */
.si-footer {
  margin-top: 2rem;
  padding: 3rem 0 1.5rem;
  background: #0b1220;
  color: #cbd5e1;
}
.si-footer a { color: #e2e8f0; text-decoration: none; }
.si-footer a:hover { color: #99f6e4; }
.si-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.si-footer__name {
  font-family: var(--si-display);
  font-size: 1.35rem;
  color: #fff;
  margin: 0 0 0.5rem;
}
.si-footer__heading {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.85rem;
}
.si-footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
.si-footer__bottom {
  padding-top: 1.25rem;
  font-size: 0.9rem;
  color: #94a3b8;
}
.si-footer__note { font-size: 0.92rem; }

/* Pagination */
.navigation.pagination {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}
.navigation.pagination .nav-links { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.navigation.pagination a,
.navigation.pagination span {
  display: inline-flex;
  min-width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--si-line);
  text-decoration: none;
  color: var(--si-ink);
  padding: 0 0.75rem;
}
.navigation.pagination .current {
  background: var(--si-ink);
  color: #fff;
  border-color: var(--si-ink);
}

/* Responsive */
@media (max-width: 960px) {
  .si-hero__grid,
  .si-article__layout,
  .si-related-project__inner,
  .si-project__overview,
  .si-cta__inner,
  .si-footer__grid {
    grid-template-columns: 1fr;
  }
  .si-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .si-project__sections { grid-template-columns: 1fr; }
  .si-gallery { grid-template-columns: repeat(2, 1fr); }
  .si-nav-toggle { display: grid; }
  .si-nav {
    display: none;
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    background: #fff;
    border-bottom: 1px solid var(--si-line);
    padding: 1rem;
    margin: 0;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  }
  .si-header.is-sticky .si-nav {
    background: #f2f2f2;
  }
  .si-nav.is-open { display: block; }
  .si-nav__list { flex-direction: column; gap: 0.75rem; }
  .si-header__actions .si-btn--sm { display: none; }
  .si-toc { position: static; margin-bottom: 1.5rem; }
  .si-toc__toggle { display: block; }
  .si-toc__nav { display: none; margin-top: 0.75rem; }
  .si-toc.is-open .si-toc__nav { display: block; }
  .si-cta__inner { align-items: flex-start; }
}

@media (max-width: 640px) {
  .si-grid--3,
  .si-gallery { grid-template-columns: 1fr; }
  .si-logo__tag { display: none; }
  .si-author { flex-direction: column; }
  .si-equipment__item { grid-template-columns: 1fr; }
  .si-hero { padding-top: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .si-btn, .si-card { transition: none; }
}