/*
 * Super Intellekt Theme CSS
 * Футуристичный дизайн для super-intellekt.ru
 */

/* ===== ПЕРЕМЕННЫЕ ===== */
:root {
  --clr-bg:         #040810;
  --clr-bg2:        #080f1e;
  --clr-surface:    #0b1425;
  --clr-border:     #1a2d4a;
  --clr-accent:     #00d4ff;
  --clr-accent2:    #7b2fff;
  --clr-accent3:    #ff3b6b;
  --clr-text:       #c8d8f0;
  --clr-muted:      #5a7fa8;
  --clr-heading:    #e8f4ff;
  --clr-glow:       rgba(0, 212, 255, 0.15);
  --clr-glow2:      rgba(123, 47, 255, 0.12);
  
  --font-display:   'Rajdhani', sans-serif;
  --font-body:      'Exo 2', sans-serif;
  --font-mono:      'JetBrains Mono', monospace;
  
  --radius:         4px;
  --radius-lg:      8px;
  --transition:     0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== СБРОС И БАЗА ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

/* Сетка звёзд на фоне */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, var(--clr-glow2) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--clr-glow) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='400' height='400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ===== ТИПОГРАФИКА ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--clr-heading);
  line-height: 1.2;
  letter-spacing: 0.02em;
}
h1 { font-size: clamp(1.8rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.4rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.2rem; }

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition), text-shadow var(--transition);
}
a:hover {
  color: #fff;
  text-shadow: 0 0 12px var(--clr-accent);
}

p { margin-bottom: 1.25rem; }
strong { color: var(--clr-heading); font-weight: 600; }
em { color: var(--clr-accent); font-style: italic; }
code, pre {
  font-family: var(--font-mono);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
}
code { padding: 0.15em 0.45em; border-radius: var(--radius); font-size: 0.88em; color: var(--clr-accent); }
pre {
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: 1.5rem 0;
  border-left: 3px solid var(--clr-accent);
}
blockquote {
  border-left: 3px solid var(--clr-accent2);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: rgba(123, 47, 255, 0.06);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  font-style: italic;
  color: var(--clr-heading);
}

img { max-width: 100%; height: auto; border-radius: var(--radius-lg); display: block; }

/* ===== КОНТЕЙНЕР ===== */
.si-container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; position: relative; z-index: 1; }
.si-container--narrow { max-width: 860px; }

/* ===== ШАПКА ===== */
.si-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(4, 8, 16, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
}
.si-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1.5rem;
}
.si-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--clr-heading);
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.si-logo__icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--clr-glow);
}
.si-logo span { color: var(--clr-accent); }
.si-logo:hover { text-shadow: none; color: var(--clr-heading); }

/* NAV */
.si-nav { display: flex; align-items: center; gap: 0.25rem; }
.si-nav a {
  color: var(--clr-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.si-nav a:hover, .si-nav a.current-menu-item {
  color: var(--clr-accent);
  background: rgba(0, 212, 255, 0.08);
  text-shadow: none;
}

/* Burger */
.si-burger {
  display: none;
  background: none;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--clr-text);
}
.si-burger:hover { border-color: var(--clr-accent); color: var(--clr-accent); }

/* ===== HERO ===== */
.si-hero {
  padding: 5rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.si-hero::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1px;
  transform: translateX(-50%);
  width: 100%;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--clr-bg));
  pointer-events: none;
}
.si-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-accent);
  border: 1px solid rgba(0, 212, 255, 0.3);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fadeInUp 0.6s ease both;
}
.si-hero__label::before { content: '◈'; font-size: 0.65rem; }

.si-hero__title {
  font-size: clamp(2.4rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  animation: fadeInUp 0.7s 0.1s ease both;
}
.si-hero__title .accent {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.si-hero__sub {
  font-size: 1.1rem;
  color: var(--clr-muted);
  max-width: 620px;
  margin: 0 auto 2.5rem;
  animation: fadeInUp 0.7s 0.2s ease both;
}
.si-hero__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s 0.3s ease both;
}

/* Кнопки */
.si-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.si-btn--primary {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.25);
}
.si-btn--primary:hover {
  box-shadow: 0 0 32px rgba(0, 212, 255, 0.45);
  transform: translateY(-1px);
  color: #fff;
  text-shadow: none;
}
.si-btn--outline {
  background: transparent;
  color: var(--clr-accent);
  border: 1px solid var(--clr-border);
}
.si-btn--outline:hover {
  border-color: var(--clr-accent);
  background: rgba(0, 212, 255, 0.06);
  text-shadow: none;
  color: var(--clr-accent);
}

/* ===== СЕТКА КАРТОЧЕК ===== */
.si-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.si-grid--2 { grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)); }

/* ===== КАРТОЧКА СТАТЬИ ===== */
.si-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.si-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1);
}
.si-card__thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--clr-bg2), var(--clr-surface));
  position: relative;
}
.si-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.si-card:hover .si-card__thumb img { transform: scale(1.04); }
.si-card__thumb--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--clr-border);
}
.si-card__body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.si-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
  flex-wrap: wrap;
}
.si-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid;
}
.si-badge--beginner  { color: #4ade80; border-color: rgba(74, 222, 128, 0.35); background: rgba(74, 222, 128, 0.06); }
.si-badge--mid       { color: var(--clr-accent); border-color: rgba(0, 212, 255, 0.3); background: rgba(0, 212, 255, 0.06); }
.si-badge--pro       { color: var(--clr-accent2); border-color: rgba(123, 47, 255, 0.35); background: rgba(123, 47, 255, 0.06); }
.si-badge--news      { color: var(--clr-accent3); border-color: rgba(255, 59, 107, 0.35); background: rgba(255, 59, 107, 0.06); }
.si-card__date { font-size: 0.75rem; color: var(--clr-muted); }
.si-card__title {
  font-size: 1.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--clr-heading);
  margin-bottom: 0.65rem;
  line-height: 1.3;
  flex: 1;
}
.si-card__title a { color: inherit; }
.si-card__title a:hover { color: var(--clr-accent); text-shadow: none; }
.si-card__excerpt { font-size: 0.88rem; color: var(--clr-muted); margin-bottom: 1rem; line-height: 1.6; }
.si-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--clr-border);
  padding-top: 0.75rem;
  margin-top: auto;
  font-size: 0.78rem;
  color: var(--clr-muted);
}

/* ===== ГЛАВНАЯ КАРТОЧКА (featured) ===== */
.si-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 320px;
}
.si-featured .si-card__thumb { aspect-ratio: unset; }
.si-featured .si-card__body { padding: 2rem; justify-content: center; }
.si-featured .si-card__title { font-size: 1.65rem; }

/* ===== СЕКЦИИ ===== */
.si-section { padding: 3.5rem 0; }
.si-section--alt { background: linear-gradient(180deg, transparent, rgba(11, 20, 37, 0.5), transparent); }
.si-section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.si-section__title {
  font-size: 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--clr-heading);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.si-section__title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.2em;
  background: linear-gradient(to bottom, var(--clr-accent), var(--clr-accent2));
  border-radius: 2px;
  flex-shrink: 0;
}

/* ===== СТАТИСТИКА / ЦИФРЫ ===== */
.si-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}
.si-stat {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.si-stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent2));
}
.si-stat__value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-accent);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.si-stat__label { font-size: 0.82rem; color: var(--clr-muted); }

/* ===== ОДИНОЧНАЯ СТАТЬЯ ===== */
.si-article { padding: 2.5rem 0 4rem; }
.si-article__header { margin-bottom: 2.5rem; }
.si-article__title {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
  line-height: 1.15;
}
.si-article__meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding: 0.75rem 0;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-muted);
  font-size: 0.85rem;
}
.si-article__meta span { display: flex; align-items: center; gap: 0.35rem; }
.si-article__thumb {
  margin: 2rem 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
}
.si-article__content { max-width: 760px; }
.si-article__content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--clr-border);
}
.si-article__content h3 { margin-top: 2rem; margin-bottom: 0.75rem; }
.si-article__content ul, .si-article__content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.si-article__content li { margin-bottom: 0.4rem; }
.si-article__content .wp-block-table table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}
.si-article__content table th, .si-article__content table td {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--clr-border);
  font-size: 0.9rem;
}
.si-article__content table th {
  background: var(--clr-surface);
  color: var(--clr-accent);
  font-family: var(--font-display);
  font-weight: 600;
}
.si-article__content table tr:hover { background: rgba(0, 212, 255, 0.03); }

/* Теги */
.si-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem; }
.si-tag {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  color: var(--clr-muted);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  transition: border-color var(--transition), color var(--transition);
}
.si-tag:hover { border-color: var(--clr-accent); color: var(--clr-accent); text-shadow: none; }

/* Хлебные крошки */
.si-breadcrumbs { margin-bottom: 1.5rem; font-size: 0.82rem; }
.si-breadcrumbs ul { display: flex; align-items: center; gap: 0.5rem; list-style: none; flex-wrap: wrap; }
.si-breadcrumbs li { color: var(--clr-muted); }
.si-breadcrumbs li:not(:last-child)::after { content: '›'; margin-left: 0.5rem; }
.si-breadcrumbs a { color: var(--clr-muted); }
.si-breadcrumbs a:hover { color: var(--clr-accent); text-shadow: none; }

/* ===== САЙДБАР ===== */
.si-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
}
.si-sidebar { position: sticky; top: 80px; }
.si-widget {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.si-widget__title {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--clr-border);
}

/* ===== ПАГИНАЦИЯ ===== */
.si-pagination {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}
.si-pagination a, .si-pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--clr-muted);
  transition: all var(--transition);
}
.si-pagination a:hover, .si-pagination .current {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: rgba(0, 212, 255, 0.06);
  text-shadow: none;
}

/* ===== ПОДВАЛ ===== */
.si-footer {
  border-top: 1px solid var(--clr-border);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}
.si-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.si-footer__about { max-width: 280px; }
.si-footer__tagline { font-size: 0.88rem; color: var(--clr-muted); margin-top: 0.75rem; }
.si-footer__heading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1rem;
}
.si-footer ul { list-style: none; }
.si-footer ul li { margin-bottom: 0.5rem; }
.si-footer ul a { color: var(--clr-muted); font-size: 0.88rem; }
.si-footer ul a:hover { color: var(--clr-accent); text-shadow: none; }
.si-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--clr-border);
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--clr-muted);
}

/* ===== УВЕДОМЛЕНИЕ / ИНФОБЛОК ===== */
.si-callout {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  border-left: 3px solid;
  margin: 1.5rem 0;
}
.si-callout--info { border-color: var(--clr-accent); background: rgba(0, 212, 255, 0.05); }
.si-callout--warn { border-color: #fbbf24; background: rgba(251, 191, 36, 0.05); }
.si-callout--tip  { border-color: #4ade80; background: rgba(74, 222, 128, 0.05); }

/* ===== АНИМАЦИИ ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 12px rgba(0, 212, 255, 0.2); }
  50%       { box-shadow: 0 0 28px rgba(0, 212, 255, 0.45); }
}
.si-anim-fade { animation: fadeInUp 0.6s ease both; }

/* ===== ПОИСК ===== */
.si-search {
  display: flex;
  gap: 0;
}
.si-search input {
  flex: 1;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  padding: 0.6rem 1rem;
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}
.si-search input:focus { border-color: var(--clr-accent); }
.si-search input::placeholder { color: var(--clr-muted); }
.si-search button {
  background: var(--clr-accent);
  border: 1px solid var(--clr-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--clr-bg);
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  transition: background var(--transition);
}
.si-search button:hover { background: #fff; }

/* Тикер новостей */
.si-ticker {
  background: rgba(0, 212, 255, 0.05);
  border-bottom: 1px solid var(--clr-border);
  overflow: hidden;
  height: 36px;
  display: flex;
  align-items: center;
}
.si-ticker__label {
  flex-shrink: 0;
  background: var(--clr-accent);
  color: var(--clr-bg);
  padding: 0.2rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  height: 100%;
  display: flex;
  align-items: center;
}
.si-ticker__track {
  display: flex;
  gap: 3rem;
  animation: ticker 40s linear infinite;
  white-space: nowrap;
  font-size: 0.82rem;
  color: var(--clr-muted);
  padding: 0 2rem;
}
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.si-ticker__track a { color: var(--clr-muted); }
.si-ticker__track a:hover { color: var(--clr-accent); text-shadow: none; }

/* ===== УРОВНИ СЛОЖНОСТИ (цветные заголовки секций) ===== */
.si-level-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.si-level-indicator__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: pulse-glow 2s infinite;
}
.si-level-indicator--beginner .si-level-indicator__dot { background: #4ade80; box-shadow: 0 0 8px #4ade80; }
.si-level-indicator--mid      .si-level-indicator__dot { background: var(--clr-accent); box-shadow: 0 0 8px var(--clr-accent); }
.si-level-indicator--pro      .si-level-indicator__dot { background: var(--clr-accent2); box-shadow: 0 0 8px var(--clr-accent2); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .si-layout { grid-template-columns: 1fr; }
  .si-sidebar { position: static; }
  .si-featured { grid-template-columns: 1fr; }
  .si-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .si-nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(4, 8, 16, 0.96); backdrop-filter: blur(16px); border-bottom: 1px solid var(--clr-border); padding: 1rem; gap: 0.25rem; }
  .si-nav.is-open { display: flex; }
  .si-nav a { width: 100%; padding: 0.65rem 1rem; }
  .si-burger { display: flex; }
  .si-header__inner { position: relative; }
  .si-grid { grid-template-columns: 1fr; }
  .si-grid--2 { grid-template-columns: 1fr; }
  .si-footer__grid { grid-template-columns: 1fr; }
  .si-hero { padding: 3rem 0 2.5rem; }
  .si-stats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .si-stats { grid-template-columns: 1fr; }
  .si-footer__grid { grid-template-columns: 1fr; }
}