/* Переменные и темы */
:root {
  --color-primary: #2a9d8f;
  --color-primary-dark: #21867a;
  --color-primary-background: rgba(93, 189, 177, 0.1);
  --color-accent: #e76f51;
  --color-accent-background: rgba(245, 158, 11, 0.1);
  --color-accent-text: #744210;
  
   /* Светлая тема */
  --color-bg: #f8fafc;
  --color-card-bg: rgba(255, 255, 255, 0.9);
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --glass-border: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.08);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
   /* Темная тема - активируется классом на body */
body.dark-mode {
  --color-bg: #0f172a;
  --color-card-bg: rgba(30, 41, 59, 0.8);
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.5);
}

/* BASE style*/
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.4s ease, color 0.4s ease;
  background-image: 
	linear-gradient(rgba(42, 157, 143, 0.03) 1px, transparent 1px),
	linear-gradient(90deg, rgba(42, 157, 143, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  line-height: 1.6;
  overflow-x: hidden;
  
  
}




.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* HEADER */
.header {
  backdrop-filter: blur(12px);
  background: var(--color-card-bg);
  border-bottom: 1px solid var(--glass-border);
  position: sticky; top: 0; z-index: 1000; padding: 16px 0;
}

.header-content { 
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo {
	text-decoration: none;
	display: flex;
	flex-direction: column;
}
.logo-sub {
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 2px;
	color: var(--color-primary);
	font-weight: 600;
}
 
.logo-main {
  font-weight: 800;
  font-size: 22px;
  color: var(--color-text);
  text-decoration: none; display: flex; align-items: center;
  gap: 8px;
}

.logo-main::before {
  content: '';
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 2px;
  transform: rotate(45deg);
}

.nav {
	display: flex;
	gap: 24px;
	align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
	color: var(--color-primary);
}

.theme-toggle {
  background: var(--color-bg);
  border: 1px solid var(--glass-border);
  padding: 8px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 18px;
  color: var(--color-text);
  transition: var(--transition);
}

/* Back */
.btn-back {
	display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    margin-top: 24px;
    transition: color 0.2s;
}

.btn-back:hover {
	color: var(--color-primary);
}




/* HERO*/

.hero {
	padding: 60px 0;
	text-align: center;
	animation: fadeIn 0.8s ease-out;
}
 @keyframes fadeIn {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-block;
    padding: 6px 12px;
    color: var(--color-primary);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
	border: 1px solid var(--glass-border);
	border-radius: 4px;
}

.hero-title {
  background: linear-gradient(
    90deg, 
    var(--color-text) 0%, 
    var(--color-primary) 50%, 
    var(--color-text) 100%
  );
  background-size: 200% auto;
  animation: shine 5s linear infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@keyframes shine {
  to { background-position: 200% center; }
}

.hero-subtitle {
	font-size: 18px;
	color: var(--color-text-muted);
	max-width: 600px;
	margin: 0 auto 40px;
}

.hero-tagline {
    font-size: 16px;
	color: var(--color-primary);
	max-width: 600px;
	margin: 0 auto 40px;
    font-style: italic;
 }



.hero-axiom {
  background: var(--color-card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px;
  max-width: 600px;
  margin: 0 auto 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  text-align: left;
}

.axiom-item {
	font-size: 14px;
	display: flex;
	align-items: center;
	gap: 10px;
}
.axiom-item span {
	color: var(--color-primary);
	font-family: 'JetBrains Mono';
	font-weight: bold;
}

.hero-meta {
	display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.hero-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.hero-meta-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}



 /* SECTIONS*/

.section {
	padding: 60px 0;
}

.section.category {
	padding: 0px 0;
	margin: 48px 0;
}


.section.warning {
	max-width: 700px;
	margin: 0 auto;
}

.section.cta {
	max-width: 700px;
	margin: 0 auto;
	text-align: center;
}

.section-header {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 24px;
	padding-bottom: 12px;
}

.section.category .section-header {
	border-bottom: 2px solid rgba(42, 157, 143, 0.3);
}


.section-icon {
	font-size: 28px;
}


.section-title {
    font-size: 32x;
    font-weight: 600;
	text-align: center;
    color: var(--color-text);
	margin: 24px;
    
}

.section.category .section-title{
	margin: 0px 0;
}


.section-number {
    display: inline-block;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    text-align: center;
    line-height: 32px;
    font-weight: 700;
    font-size: 16px;
    margin-right: 12px;
}
.section-count {
	font-size: 14px;
	color: var(--color-text-muted);
	font-weight: 400;
}

.section-text  {
      font-size: 16px;
      line-height: 1.8;
      color: var(--color-text);
      margin-bottom: 24px;
}





.section-H3title  {
      font-size: 20px;
	  font-weight: 600;
	  margin: 24px 0 24px;
	  color: var(--color-text);
}


.section ul { margin: 24px; }


.section li {
	margin-bottom: 12px;
	font-size: 16px;
	position: relative;
}
.section li::before {
	position: absolute;
	left: 0;
	font-weight: bold;
}




 /* GRID */

.grid-2 {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 24px;
}

.grid-lib
{
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
	gap: 20px;
	margin-top: 40px;
}

.grid-doc {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: 20px;
}


 /* CARD */

.card {
	background: var(--color-card-bg);
	border: 1px solid var(--glass-border);
	border-radius: 12px;
	padding: 32px;
	transition: var(--transition);
}

.card.arrow {
}

.card.step {
	margin: 24px 0;
}


.card.primary {
	background: var(--color-primary-background);
}

.card.accent {
	background: var(--color-accent-background);
	}

.card.warning {
	background: var(--color-accent-background);
	border-left: 4px solid var(--color-accent);
	border-right: none;
	border-top: none;
	border-bottom: none;
}

.card.cta {
	background: none;
	border: 1px solid var(--glass-border);
}

.card.axiom {
	background: none;
	border-left: 4px solid var(--color-primary);
	border-right: none;
	border-top: none;
	border-bottom: none;
	border-radius: 0px;
}

.card.rules {
	background: var(--color-card-bg);
	border-left: 3pt solid var(--color-primary);
	border-radius: 0 2mm 2mm 0;
	border-right: none;
	border-top: none;
	border-bottom: none;
}
.card.press {
	text-decoration: none;
	padding: 20px;
}

.card.press:hover {
	background: var(--color-primary-background);
	border-color: var(--color-primary);
	transform: translateY(-5px);
}





 /* CARD - HEADER - TITLE */

.card-header {
	display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.card.press .card-header {
	display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}



.card-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 10%;
    font-weight: 700;
    font-size: 16px;
	margin-bottom: 10px;
}

.card.step .card-number {
	border-radius: 50%;
}

.card-icon {
	font-size: 16px;
	flex-shrink: 0;
}


.card-title {
	color: var(--color-text);
	font-size: 20px;
	font-weight: 500;
	margin-bottom: 10px;
	display: flex;
	align-items: center;
	gap: 12px;
}
.card.press .card-title {
	margin-bottom: 0px;
}


.card.primary .card-title{
	color: var(--color-primary);
	
}

.card.rules .card-title{
	color: var(--color-primary);
	text-transform: uppercase;
}


.card.accent .card-title {
	color: var(--color-accent);
}

.card.warning .card-title {
	color: var(--color-accent);
}

.card.cta .card-title {
	color: var(--color-primary);
	justify-content: center;
}

.card-subtitle {
    font-weight: 600;
    color: var(--color-primary);
    font-size: 12pt;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.2px;
}




 /* CARD - TEXT */

.card-text {
	font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
	text-decoration: none;
}
.card-text :link { color: #2a9d8f;font-weight: 600;text-decoration: none;}
.card-text a:hover{text-decoration: underline;}
.card-text :visited {color: #2a9d8f; text-decoration: none;}


.card-desc {
	color: var(--color-text-muted);
	font-size: 14px;
	display: flex;
	gap: 16px;
	margin-bottom: 12px;
}

.card-quote {
    font-size: 12pt;
    color: var(--color-text-muted);
    font-style: italic;
    margin: 12px 0 12px 0;
    padding-left: 12px;
    border-left: 1.5pt solid #a8e6df;
}

.card.warning .card-text {
	color: var(--color-accent-text);
}

.card.axiom .card-text {
	color: var(--color-text);
	font-style: italic;
}

.card.axiom strong {
	color: var(--color-primary);
}

.card-badge {
	display: inline-block;
	padding: 4px 8px;
	color: var(--color-primary);
	border-radius: 4px;
	font-size: 12px;
	font-weight: 600;
	margin-top: 8px;
	border: 1px solid var(--glass-border);
}



 /* CARD - LIST*/
 
.card ul { list-style: none; }

.card li {
	margin-bottom: 12px;
	font-size: 15px;
	padding-left: 28px;
	position: relative;
}
.card li::before {
	position: absolute;
	left: 0;
	font-weight: bold;
}


.card-arrow li::before {
	content: "→";
	color: var(--color-primary);
	
}

.card.primary li::before {
	content: "✓";
	color: var(--color-primary);
}	
 
.card.accent li::before {
	content: "✗";
	color: var(--color-accent);
}	
 
.card.warning li::before {
	content: "!";
	color: var(--color-accent);
}

.card-pinned li::before {
	content: "📌";
	color: var(--color-accent);
}

.card-point li::before {
	content: "•";
	color: var(--color-primary);
}

.card-dashed li::before {
	content: "—";
	color: var(--color-primary);
}



.card.step li::before {
	content: "▶";
	color: var(--color-primary);
	
}

.card.step li {
	border-bottom: 1px solid var(--color-primary-background);
	padding-bottom: 10px;
}

.card.step li:last-child  {
	border-bottom: none;
}

 

/* Buttons */
.btn {
	padding: 14px 32px;
	border-radius: 12px;
	font-weight: 600;
	text-decoration: none;
	transition: var(--transition);
	display: inline-flex;
	text-decoration: none;
	}
.btn-primary {
	background: var(--color-primary);
	color: white;
	box-shadow: 0 4px 14px rgba(42, 157, 143, 0.4);
	text-decoration: none;
}
.btn-primary:hover {
	transform: translateY(-2px);
	filter: brightness(1.1);
	text-decoration: none;
}
.btn-secondary {
	background: var(--color-card-bg);
	color: var(--color-text);
	border: 1px solid var(--glass-border);
	margin-left: 12px;
}

.btn-secondary:hover {
	transform: translateY(-2px);
	filter: brightness(1.1);
	text-decoration: none;
}


/* Stats */
.stats {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin: 24px 0;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text-muted);
 }

.stat-number {
    font-weight: 700;
    color: var(--color-primary);
 }

/* Search Section */
.search-section {
    margin: 32px 0;
}

.search-box {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: 14px 20px 14px 48px;
    border: 2px solid rgba(42, 157, 143, 0.3);
    border-radius: 8px;
    font-size: 16px;
    font-family: var(--font-main);
    transition: all 0.2s;
 }

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.1);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

/* Filter Section */
 .filter-section {
    margin: 32px 0;
}

.filter-title {
	text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid rgba(42, 157, 143, 0.3);
    background: #fff;
    color: var(--color-text-muted);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
	border-color: var(--color-primary);
	color: var(--color-primary);
}

.filter-btn.active {
	background: var(--color-primary);
	color: #fff;
	border-color: var(--color-primary);
}









 /* Footer */
.footer {
	padding: 60px 0;
	border-top: 2px solid var(--glass-border);
	text-align: center;
	font-size: 14px;
	color: var(--color-text-muted);
}
.footer-content {text-align: center;}

.footer-text {
	font-size: 14px;
	color: var(--color-text-muted);
	margin-bottom: 16px;
}
.footer-links {
	color: var(--color-text-muted);
	list-style: none;
	display: flex;
	gap: 24px;
	justify-content: center;
	flex-wrap: wrap;
}
.footer-links a {
	color: var(--color-text-muted);
	text-decoration: none;
	font-size: 14px;
	transition: color 0.2s;
}
.footer-links a:hover { color: var(--color-primary);}



/* Mobile */
@media (max-width: 768px) {
  .hero-axiom { grid-template-columns: 1fr; }
  .btn-secondary { margin-left: 0; margin-top: 12px; }
}

/* Utility */
.mono {
	font-family: var(--font-mono);
}

.highlight {
	color: var(--color-primary);
	font-weight: 600;
}

.muted {
	color: var(--color-text-muted);
}

.center {
	text-align: center;
}

.hidden {
	display: none !important;
}
/* DIAGNODTIC */

.option-card {
  background: var(--color-card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 32px;
  transition: var(--transition);
  cursor: pointer;
  text-align: left;
}

.option-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-background);
  }

.option-card.primary {
  border-color: var(--color-primary);
  background: var(--color-primary-background);
  border-width: 2px;
}

.option-card.primary .card-text {
  color: var(--color-text);
  font-weight: 500;
}

.option-card:active {
  transform: scale(0.98);
}