/* ============================================
   PedagogikaKAZ — Design System & Styles
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap&subset=cyrillic,cyrillic-ext');

/* --- CSS Variables --- */
:root {
    --color-primary: #1B2A4A;
    --color-primary-light: #2C4470;
    --color-primary-dark: #111D35;
    --color-accent: #C8922A;
    --color-accent-hover: #B07D1E;
    --color-accent-light: #F5E6C8;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F5F6FA;
    --color-bg-card: #FFFFFF;
    --color-text: #333333;
    --color-text-light: #6B7280;
    --color-text-white: #FFFFFF;
    --color-white: #FFFFFF;
    --color-border: #E5E7EB;
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-info: #3B82F6;

    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Roboto', sans-serif;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 2px 8px rgba(27, 42, 74, 0.06);

    --transition: 0.25s ease;
    --max-width: 1200px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

ul,
ol {
    list-style: none;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

/* --- Utility --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Helper for fixed header padding */
.pt-120 {
    padding-top: 120px;
}

/* Line Clamp Utilities */
.line-clamp-1,
.line-clamp-2,
.line-clamp-3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-1 {
    -webkit-line-clamp: 1;
    line-clamp: 1;
}

.line-clamp-2 {
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.line-clamp-3 {
    -webkit-line-clamp: 3;
    line-clamp: 3;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-padding {
    padding: 80px 0;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text-white);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(200, 146, 42, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-text-white);
}

.btn-white {
    background: var(--color-bg);
    color: var(--color-primary);
}

.btn-white:hover {
    background: var(--color-bg-alt);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
}

.btn-danger:hover {
    background: #DC2626;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    margin-right: 24px;
    flex-shrink: 0;
}

.header-logo img {
    height: 46px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1;
    color: var(--color-primary);
}

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

.footer .logo-text {
    font-size: 1.4rem;
    color: var(--color-text-white);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    justify-content: flex-end;
}

.nav-menu a {
    padding: 10px 20px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.nav-menu .btn-primary {
    margin-left: 16px;
    padding: 10px 22px;
    font-size: 0.9rem;
}

.nav-cabinet {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-cabinet svg {
    width: 18px;
    height: 18px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 60%, #3A5A8C 100%);
    color: var(--color-text-white);
    padding: 80px 0 90px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(200, 146, 42, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(6px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 28px;
    color: var(--color-accent-light);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.hero h1 span {
    color: var(--color-accent);
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

/* Search Box */
.search-box {
    max-width: 640px;
    margin: 0 auto 40px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 18px 60px 18px 24px;
    border-radius: 50px;
    font-size: 1rem;
    background: var(--color-bg);
    color: var(--color-text);
    box-shadow: var(--shadow-lg);
    border: 2px solid transparent;
    transition: border-color var(--transition);
}

.search-box input::placeholder {
    color: var(--color-text-light);
}

.search-box input:focus {
    border-color: var(--color-accent);
}

.search-box button {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}

.search-box button:hover {
    background: var(--color-accent-hover);
}

.search-box button svg {
    width: 20px;
    height: 20px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
}

.hero-stat {
    text-align: center;
}

.hero-stat .number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-accent);
    display: block;
}

.hero-stat .label {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: 4px;
}

/* ============================================
   CATEGORIES SECTION
   ============================================ */
.categories {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.category-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--color-accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    transition: all var(--transition);
}

.category-card:hover .category-icon {
    background: var(--color-accent);
    color: #fff;
}

.category-icon svg {
    width: 30px;
    height: 30px;
}

.category-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.category-card p {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ============================================
   MATERIALS / CARDS SECTION
   ============================================ */
.materials-section {
    padding: 80px 0;
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.material-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
}

.material-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.material-card-header {
    padding: 24px 24px 0;
}

.material-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-math {
    background: #EDE9FE;
    color: #7C3AED;
}

.tag-kazakh {
    background: #D1FAE5;
    color: #059669;
}

.tag-history {
    background: #FEF3C7;
    color: #D97706;
}

.tag-primary {
    background: #DBEAFE;
    color: #2563EB;
}

.tag-english {
    background: #FCE7F3;
    color: #DB2777;
}

.tag-preschool {
    background: #FEE2E2;
    color: #DC2626;
}

.material-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 12px 0 8px;
    line-height: 1.4;
}

.material-card .description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.material-card-footer {
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--color-border);
    margin-top: 20px;
}

.material-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.material-author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
}

.material-author-info .name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary);
}

.material-author-info .date {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.material-card-footer .btn-sm {
    font-size: 0.82rem;
}

/* View All Link */
.view-all {
    text-align: center;
    margin-top: 40px;
}

/* ============================================
   TOP AUTHORS SECTION
   ============================================ */
.top-authors {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.authors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.author-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.author-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.author-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 14px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-white);
    border: 3px solid var(--color-accent);
}

.author-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.author-card .author-role {
    font-size: 0.82rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.author-stats {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.author-stats span {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.author-stats strong {
    color: var(--color-accent);
    font-weight: 700;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand .footer-logo {
    height: 40px;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    color: rgba(255, 255, 255, 0.7);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: #fff;
}

.footer-social a svg {
    width: 18px;
    height: 18px;
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--color-text-white);
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    transition: all var(--transition);
}

.footer-col ul li a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-subscribe input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.footer-subscribe input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.footer-subscribe input:focus {
    border-color: var(--color-accent);
}

.footer-subscribe .btn {
    width: 100%;
    justify-content: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
}

.footer-bottom a {
    color: var(--color-accent);
}

.footer-bottom a:hover {
    text-decoration: underline;
}

.footer-legal-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.footer-legal-links a {
    font-size: 0.8rem;
    opacity: 0.85;
}

.footer-legal-links a+a::before {
    content: "·";
    margin-right: 8px;
    opacity: 0.5;
}

/* Legal Pages */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    color: var(--color-text);
}

.legal-content h2 {
    color: var(--color-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.legal-content p {
    margin-bottom: 0.75rem;
}

.legal-content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.legal-content ul li {
    margin-bottom: 0.4rem;
}

.legal-content a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* --- Language Switcher (Dropdown) --- */
.lang-switcher {
    position: relative;
    margin-left: 12px;
    z-index: 1000;
    flex-shrink: 0;
}

.lang-switcher__toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--color-primary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
    white-space: nowrap;
}

.hero-cta-wrapper {
    margin: 24px 0;
}

.hero-cta-wrapper a svg {
    margin-right: 8px;
}

.legal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
}

.legal-header .section-title {
    margin-bottom: 0 !important;
}

.lang-switcher__toggle:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-primary);
}

/* Page header top row for title + lang switcher */
.page-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.lang-switcher__toggle svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.lang-switcher__arrow {
    width: 10px;
    height: 10px;
    transition: transform 0.25s ease;
    margin-left: 2px;
}

.lang-switcher.open .lang-switcher__arrow {
    transform: rotate(180deg);
}

.lang-switcher__menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 140px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    overflow: hidden;
}

.lang-switcher.open .lang-switcher__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-switcher__item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background 0.15s ease;
    font-family: var(--font-body);
    text-align: left;
}

.lang-switcher__item:hover {
    background: var(--color-bg-light);
}

.lang-switcher__item.active {
    color: var(--color-primary);
    font-weight: 600;
    background: rgba(110, 69, 226, 0.06);
}

.lang-switcher__item .lang-check {
    width: 16px;
    height: 16px;
    margin-left: auto;
    color: var(--color-primary);
    opacity: 0;
}

.lang-switcher__item.active .lang-check {
    opacity: 1;
}

/* ============================================
   CATALOG PAGE
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 40px 0;
    color: var(--color-text-white);
}

.page-header h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
}

.page-header .breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 8px;
}

.page-header .breadcrumb a:hover {
    color: var(--color-accent);
}

.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    padding: 40px 0;
}

/* Sidebar Filters */
.catalog-sidebar {
    position: sticky;
    top: 92px;
    align-self: start;
}

.filter-group {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: 20px;
    margin-bottom: 16px;
}

.filter-group h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text);
}

.filter-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.filter-option:hover {
    color: var(--color-accent);
}

.filter-option .count {
    margin-left: auto;
    font-size: 0.78rem;
    color: var(--color-text-light);
    background: var(--color-bg-alt);
    padding: 2px 8px;
    border-radius: 50px;
}

/* Catalog Main */
.catalog-main .sort-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding: 14px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.sort-bar .results-count {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.sort-bar .results-count strong {
    color: var(--color-primary);
}

.sort-bar select {
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* Catalog Card (horizontal) */
.catalog-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: 20px;
    display: flex;
    gap: 16px;
    transition: all var(--transition);
}

.catalog-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.catalog-card-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.catalog-card-icon svg {
    width: 26px;
    height: 26px;
}

.catalog-card-body h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
    line-height: 1.3;
}

.catalog-card-body p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.catalog-card-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.catalog-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.catalog-card-meta svg {
    width: 14px;
    height: 14px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    background: var(--color-bg);
    transition: all var(--transition);
}

.pagination a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.pagination .active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/* ============================================
   MATERIAL DETAIL PAGE
   ============================================ */
.material-detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 30px;
    padding: 40px 0;
}

.material-detail-main {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 36px;
}

.material-detail-main .material-tag {
    margin-bottom: 16px;
}

.material-detail-main h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.material-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 24px;
}

.material-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.material-meta svg {
    width: 16px;
    height: 16px;
    color: var(--color-accent);
}

.material-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 30px;
}

.material-description p {
    margin-bottom: 16px;
}

.material-preview {
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    padding: 40px;
    text-align: center;
    margin-bottom: 30px;
    border: 2px dashed var(--color-border);
}

.material-preview svg {
    width: 48px;
    height: 48px;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.material-preview p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.download-section {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Material Sidebar */
.material-sidebar .sidebar-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 24px;
    margin-bottom: 20px;
}

.sidebar-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.author-profile {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.author-profile .avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.author-profile .info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.author-profile .info span {
    font-size: 0.82rem;
    color: var(--color-text-light);
}

.related-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.related-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.related-item:hover {
    background: var(--color-bg-alt);
}

.related-item-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.related-item-icon svg {
    width: 18px;
    height: 18px;
}

.related-item h4 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 4px;
    line-height: 1.3;
}

.related-item span {
    font-size: 0.78rem;
    color: var(--color-text-light);
}

/* ============================================
   CABINET PAGE
   ============================================ */
.cabinet-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    padding: 40px 0;
}

.cabinet-profile {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 30px;
    text-align: center;
    position: sticky;
    top: 92px;
    align-self: start;
}

.cabinet-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    border: 4px solid var(--color-accent);
}

.cabinet-profile h2 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.cabinet-profile .role {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.cabinet-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.cabinet-stat {
    padding: 12px 0;
    border-radius: var(--radius-sm);
    background: var(--color-bg-alt);
}

.cabinet-stat .num {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-accent);
    display: block;
}

.cabinet-stat .lbl {
    font-size: 0.72rem;
    color: var(--color-text-light);
}

.cabinet-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 10px;
}

.cabinet-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition);
}

.cabinet-nav a:hover,
.cabinet-nav a.active {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.cabinet-nav a svg {
    width: 18px;
    height: 18px;
}

/* Cabinet Main Content */
.cabinet-main .tab-content {
    display: none;
}

.cabinet-main .tab-content.active {
    display: block;
}

.cabinet-main .content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.cabinet-main .content-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* Materials Table */
.materials-table {
    width: 100%;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.materials-table table {
    width: 100%;
    border-collapse: collapse;
}

.materials-table thead {
    background: var(--color-bg-alt);
}

.materials-table th {
    padding: 14px 20px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.materials-table td {
    padding: 16px 20px;
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border);
    vertical-align: middle;
}

.materials-table tr:hover td {
    background: var(--color-bg-alt);
}

.table-actions {
    display: flex;
    gap: 8px;
}

.table-actions .btn-sm {
    padding: 6px 14px;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-published {
    background: #D1FAE5;
    color: #059669;
}

.status-pending {
    background: #FEF3C7;
    color: #D97706;
}

.status-draft {
    background: #E5E7EB;
    color: #6B7280;
}

/* Certificate Cards in Cabinet */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.certificate-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: 24px;
    display: flex;
    gap: 16px;
    align-items: center;
    transition: all var(--transition);
}

.certificate-card:hover {
    box-shadow: var(--shadow-sm);
}

.cert-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.cert-icon svg {
    width: 24px;
    height: 24px;
}

.cert-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.cert-info p {
    font-size: 0.82rem;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

/* ============================================
   CERTIFICATE PAGE
   ============================================ */
.certificate-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px 0;
    align-items: start;
}

.cert-form-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 36px;
}

.cert-form-card h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.cert-form-card>p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(200, 146, 42, 0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Certificate Preview */
.cert-preview-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 36px;
    position: sticky;
    top: 92px;
}

.cert-preview-card h2 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.certificate-preview {
    background: linear-gradient(135deg, #fffdf7 0%, #fff9e6 30%, #fffdf7 60%, #fffbef 100%);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: 56px 36px 44px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow:
        inset 0 0 60px rgba(234, 179, 8, 0.04),
        0 4px 20px rgba(0, 0, 0, 0.06);
}

.certificate-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
}

.certificate-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary), var(--color-accent));
}

/* Kazakh ornament corners */
.cert-ornament {
    position: absolute;
    width: 80px;
    height: 80px;
    color: var(--color-accent);
    opacity: 0.7;
    pointer-events: none;
}

.cert-ornament-tl {
    top: 6px;
    left: 4px;
}

.cert-ornament-tr {
    top: 6px;
    right: 4px;
}

.cert-ornament-bl {
    bottom: 4px;
    left: 4px;
}

.cert-ornament-br {
    bottom: 4px;
    right: 4px;
}

/* Ornamental wave bands */
.cert-ornament-band {
    position: absolute;
    top: 8px;
    left: 70px;
    right: 70px;
    height: 16px;
    color: var(--color-accent);
    opacity: 0.35;
    pointer-events: none;
}

.cert-ornament-band svg {
    width: 100%;
    height: 100%;
}

.cert-ornament-band-bottom {
    top: auto;
    bottom: 6px;
}

/* Certificate content */
.certificate-preview .cert-header {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 8px;
}

.cert-logo-wrap {
    margin-bottom: 6px;
}

.cert-logo-wrap .logo-text {
    font-size: 1.2rem;
}

.certificate-preview .cert-title {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.certificate-preview .cert-name {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 12px;
    padding: 8px 0;
    border-bottom: 2px solid var(--color-accent-light);
}

.certificate-preview .cert-text {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 24px;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
}

.certificate-preview .cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 28px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.cert-footer-label {
    font-weight: 600;
    color: var(--color-primary);
}

.cert-actions {
    margin-top: 20px;
    display: flex;
    gap: 12px;
}

/* ============================================
   OLYMPIAD PAGE
   ============================================ */

/* Hero */
.olympiad-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1a365d 50%, var(--color-primary) 100%);
    color: var(--color-white);
    padding: 64px 0 56px;
    position: relative;
    overflow: hidden;
}

.olympiad-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(234, 179, 8, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(234, 179, 8, 0.08) 0%, transparent 40%);
}

.olympiad-hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.olympiad-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(234, 179, 8, 0.2);
    border: 1px solid rgba(234, 179, 8, 0.4);
    border-radius: 100px;
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.olympiad-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: #ffffff;
}

.olympiad-hero p {
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 32px;
    color: #ffffff;
}

.olympiad-hero-stats {
    display: flex;
    gap: 40px;
}

.olympiad-hero-stat {
    display: flex;
    flex-direction: column;
}

.olympiad-hero-stat .number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
}

.olympiad-hero-stat .label {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 2px;
    color: #ffffff;
}

/* Steps */
.olympiad-steps-section {
    background: var(--color-bg);
}

.olympiad-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.olympiad-step {
    text-align: center;
    max-width: 220px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.olympiad-step-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    border: 2px solid var(--color-border);
    transition: all var(--transition);
}

.olympiad-step:hover .olympiad-step-icon {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}

.olympiad-step-icon svg {
    width: 28px;
    height: 28px;
}

.olympiad-step h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.olympiad-step p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

.olympiad-step-arrow {
    color: var(--color-border);
    margin-top: 20px;
    flex-shrink: 0;
}

/* Filter Tabs */
.olympiad-filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 32px 0 40px;
    justify-content: center;
}

.olympiad-tab {
    padding: 12px 24px;
    border-radius: 100px;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-body);
}

.olympiad-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.04);
}

.olympiad-tab.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* Olympiad Cards Grid */
.olympiad-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.olympiad-card {
    display: flex;
    flex-direction: column;
    padding: 24px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition);
    position: relative;
    height: 100%;
}

.olympiad-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.olympiad-card-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #16a34a;
    background: #dcfce7;
    padding: 4px 10px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.olympiad-card-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: 16px;
    background: rgba(37, 99, 235, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-primary);
    transition: all var(--transition);
}

.olympiad-card:hover .olympiad-card-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.olympiad-card-icon svg {
    width: 28px;
    height: 28px;
}

.olympiad-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.olympiad-card-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
    line-height: 1.3;
}

.olympiad-card-meta {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
    display: block;
}

.olympiad-card-action {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
}

.olympiad-card:hover .olympiad-card-action {
    background: var(--color-primary);
    color: var(--color-white);
}

/* CTA */
.olympiad-cta-section {
    background: var(--color-bg);
    margin-top: 60px;
}

.olympiad-cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 56px 40px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.olympiad-cta svg {
    color: var(--color-accent);
    margin-bottom: 20px;
}

.olympiad-cta h2 {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.olympiad-cta p {
    color: var(--color-text-light);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

/* Olympiad responsive */
@media (max-width: 768px) {
    .olympiad-hero h1 {
        font-size: 1.8rem;
    }

    .olympiad-hero-stats {
        gap: 24px;
    }

    .olympiad-hero-stat .number {
        font-size: 1.5rem;
    }

    .olympiad-steps {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .olympiad-step {
        max-width: 300px;
        flex-direction: row;
        text-align: left;
        gap: 16px;
    }

    .olympiad-step-icon {
        margin-bottom: 0;
        width: 56px;
        height: 56px;
        flex-shrink: 0;
    }

    .olympiad-step-arrow {
        transform: rotate(90deg);
        margin: 4px 0;
        display: none;
        /* Hide arrows on mobile for cleaner look */
    }

    .olympiad-grid {
        grid-template-columns: 1fr;
    }

    .olympiad-filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 12px;
        margin: 24px -16px 32px;
        padding-left: 16px;
        padding-right: 16px;
    }

    .olympiad-tab {
        white-space: nowrap;
        flex-shrink: 0;
    }
}

@media (max-width: 576px) {
    .olympiad-hero {
        padding: 40px 0 36px;
    }

    .olympiad-hero h1 {
        font-size: 1.5rem;
    }

    .olympiad-hero p {
        font-size: 0.95rem;
    }

    .olympiad-hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .olympiad-hero-stat {
        flex-direction: row;
        align-items: baseline;
        gap: 8px;
    }

    .olympiad-cta {
        padding: 32px 20px;
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* --- Tablet landscape (1024px) --- */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.4rem;
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .materials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .authors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .material-detail-layout {
        grid-template-columns: 1fr;
    }

    .certificate-layout {
        grid-template-columns: 1fr;
    }

    .about-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --- Tablet / Mobile breakpoint (768px) --- */
@media (max-width: 768px) {

    /* Container padding */
    .container {
        padding: 0 16px;
    }

    /* Header */
    .header .container {
        height: 60px;
    }

    .logo-text {
        font-size: 1.35rem;
    }

    .header-logo {
        margin-right: 0;
    }

    /* Hamburger */
    .hamburger {
        display: flex;
        position: relative;
        z-index: 1001;
    }

    /* Mobile nav overlay */
    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 0;
        overflow-y: auto;
        z-index: 999;
        animation: slideDown 0.25s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        padding: 16px;
        font-size: 1rem;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    .nav-menu a:last-of-type {
        border-bottom: none;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        background: var(--color-accent-light);
        color: var(--color-accent);
    }

    .nav-menu .btn-primary {
        margin-left: 0;
        margin-top: 16px;
        text-align: center;
        justify-content: center;
        border-radius: var(--radius-md);
        padding: 14px 20px;
        font-size: 1rem;
    }

    /* Hero */
    .hero {
        padding: 40px 0 50px;
    }

    .hero h1 {
        font-size: 1.6rem;
        line-height: 1.3;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .hero-stats {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-stat .number {
        font-size: 1.5rem;
    }

    .hero-stat .label {
        font-size: 0.8rem;
    }

    /* Search */
    .search-box {
        max-width: 100%;
    }

    .search-box input {
        padding: 14px 52px 14px 16px;
        font-size: 0.95rem;
    }

    /* Sections */
    .section-title {
        font-size: 1.4rem;
    }

    .section-padding {
        padding: 40px 0;
    }

    .categories {
        padding: 40px 0;
    }

    .materials-section {
        padding: 40px 0;
    }

    .top-authors {
        padding: 40px 0;
    }

    /* Cards */
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .category-card {
        padding: 20px 14px;
    }

    .category-icon {
        width: 48px;
        height: 48px;
    }

    .materials-grid {
        grid-template-columns: 1fr;
    }

    .material-card-body h3 {
        font-size: 1rem;
    }

    .authors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    /* Page header (inner pages) */
    .page-header {
        padding: 24px 0;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    /* Floor */
    .footer {
        padding: 40px 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        padding: 16px 0;
    }

    .footer .logo-text {
        font-size: 1.2rem;
    }

    /* Catalog */
    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .catalog-sidebar {
        position: static;
    }

    .catalog-grid {
        grid-template-columns: 1fr;
    }

    /* Cabinet */
    .cabinet-layout {
        grid-template-columns: 1fr;
    }

    .cabinet-profile {
        position: static;
    }

    .cabinet-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Certificates */
    .certificates-grid {
        grid-template-columns: 1fr;
    }

    .cert-preview-card {
        position: static;
    }

    /* Material detail */
    .material-detail-layout {
        grid-template-columns: 1fr;
    }

    .material-detail-main {
        padding: 20px;
    }

    .material-meta {
        flex-wrap: wrap;
        gap: 12px;
    }

    .material-card-footer {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    /* About page */
    .about-section {
        padding: 40px 0 60px;
    }

    .about-intro {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-intro-text h2 {
        font-size: 1.4rem;
    }

    .about-features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .about-rules-list {
        grid-template-columns: 1fr;
    }

    .about-block {
        padding: 24px;
    }

    .about-cta {
        padding: 36px 24px;
    }
}

/* --- Small mobile (576px) --- */
@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.4rem;
    }

    .hero p {
        font-size: 0.9rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 14px;
        align-items: center;
    }

    .categories-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .category-card {
        padding: 16px 12px;
    }

    .category-card h3 {
        font-size: 0.85rem;
    }

    .category-icon {
        width: 44px;
        height: 44px;
    }

    .authors-grid {
        grid-template-columns: 1fr;
    }

    .cabinet-stats {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .cabinet-nav {
        flex-direction: column;
        gap: 4px;
    }

    .cabinet-nav a {
        text-align: center;
    }

    .about-features-grid {
        grid-template-columns: 1fr;
    }

    .about-feature-card {
        padding: 24px 20px;
    }

    .about-intro-stats {
        grid-template-columns: 1fr 1fr;
    }

    .about-cta {
        padding: 28px 16px;
    }

    .about-cta-contacts {
        flex-direction: column;
        gap: 16px;
    }

    .about-cta h2 {
        font-size: 1.3rem;
    }

    .about-block {
        flex-direction: column;
        gap: 16px;
    }

    .cert-actions {
        flex-direction: column;
    }

    .cert-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* --- Extra small mobile (400px) --- */
@media (max-width: 400px) {
    .hero h1 {
        font-size: 1.25rem;
    }

    .search-box input {
        padding: 12px 48px 12px 14px;
        font-size: 0.88rem;
    }

    .search-box button {
        width: 38px;
        height: 38px;
    }

    .section-title {
        font-size: 1.2rem;
    }

    .page-header h1 {
        font-size: 1.3rem;
    }

    .about-stat-number {
        font-size: 1.5rem;
    }

    .cabinet-stats {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===========================
   ABOUT PAGE
   =========================== */

.about-section {
    padding: 60px 0 80px;
}

/* Intro */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 64px;
}

.about-intro-text h2 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.about-lead {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-intro-text p {
    color: var(--color-text-light);
    line-height: 1.7;
}

.about-intro-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.about-stat {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.about-stat:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.about-stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
    font-family: var(--font-heading);
    margin-bottom: 4px;
}

.about-stat-label {
    font-size: 0.88rem;
    color: var(--color-text-light);
    font-weight: 500;
}

/* About block (mission, editorial) */
.about-block {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-bottom: 48px;
}

.about-block-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--color-accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-block-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-accent);
}

.about-block h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.about-block p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Features grid */
.about-features {
    margin-bottom: 48px;
}

.about-features .section-title {
    text-align: center;
    margin-bottom: 40px;
}

.about-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.about-feature-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.about-feature-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.about-feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-accent-light), hsla(38, 80%, 55%, 0.15));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.about-feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-accent);
}

.about-feature-card h4 {
    font-size: 1.05rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.about-feature-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Publication rules */
.about-rules {
    margin-bottom: 64px;
}

.about-rules .section-title {
    text-align: center;
    margin-bottom: 40px;
}

.about-rules-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.about-rule {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.about-rule:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.about-rule-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    font-family: var(--font-heading);
}

.about-rule h4 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.about-rule p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* CTA */
.about-cta {
    text-align: center;
    padding: 48px 40px;
    background: linear-gradient(135deg, var(--color-primary), hsl(215, 60%, 25%));
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.about-cta h2 {
    font-size: 1.6rem;
    color: var(--color-white);
    margin-bottom: 8px;
}

.about-cta>p {
    color: hsla(0, 0%, 100%, 0.75);
    margin-bottom: 28px;
}

.about-cta-contacts {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.about-cta .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.about-cta-address {
    display: flex;
    align-items: center;
    gap: 8px;
    color: hsla(0, 0%, 100%, 0.8);
    font-size: 0.92rem;
}

.about-cta-address svg {
    flex-shrink: 0;
    stroke: var(--color-accent);
}


.footer-subscribe-text {
    font-size: 0.85rem;
    margin-bottom: 14px;
}

/* ===========================
   HEADER SCROLLED STATE
   =========================== */
.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* ===========================
   AUTH MODALS
   =========================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    display: none;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 440px;
    padding: 40px;
    position: relative;
    animation: modalIn 0.3s ease;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.modal.active {
    display: block;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--color-text-light);
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

.modal-header {
    text-align: center;
    margin-bottom: 28px;
}

.modal-header .logo-text {
    font-size: 1.3rem;
    display: inline-block;
    margin-bottom: 12px;
}

.modal-header h2 {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.modal-header p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Form styles */
.modal-form .form-group {
    margin-bottom: 18px;
}

.modal-form label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.modal-form input[type="text"],
.modal-form input[type="email"],
.modal-form input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: all var(--transition);
    font-family: var(--font-body);
}

.modal-form input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.15);
    outline: none;
}

.modal-form input::placeholder {
    color: #a0aec0;
}

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-light);
    padding: 4px;
}

.password-toggle:hover {
    color: var(--color-primary);
}

.form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 400 !important;
    color: var(--color-text-light) !important;
    cursor: pointer;
    margin-bottom: 16px;
}

.form-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.form-link {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 500;
}

.form-link:hover {
    text-decoration: underline;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 14px;
    font-size: 1rem;
}

.modal-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.modal-footer .switch-modal {
    color: var(--color-accent);
    font-weight: 600;
    margin-left: 4px;
}

.modal-footer .switch-modal:hover {
    text-decoration: underline;
}

/* Modal responsive */
@media (max-width: 480px) {
    .modal {
        padding: 28px 20px;
        border-radius: var(--radius-lg);
    }

    .form-row-2 {
        grid-template-columns: 1fr;
    }

    .modal-header h2 {
        font-size: 1.2rem;
    }
}

/* ===========================
   FILTER TOGGLE (mobile)
   =========================== */
.filter-toggle-btn {
    display: none;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 12px 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition);
}

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

.filter-toggle-btn.active {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

@media (max-width: 768px) {
    .filter-toggle-btn {
        display: inline-flex;
    }

    .catalog-sidebar {
        display: none;
        margin-bottom: 20px;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: 20px;
        background: var(--color-white);
        animation: slideDown 0.25s ease-out;
    }

    .catalog-sidebar.show {
        display: block;
    }
}

/* ===========================
   NO RESULTS
   =========================== */
.no-results {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--color-text-light);
}

.no-results svg {
    color: var(--color-border);
    margin-bottom: 16px;
}

.no-results h3 {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.no-results p {
    font-size: 0.9rem;
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   OLYMPIAD INSTRUCTIONS
   =========================== */
.olympiad-instructions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 992px) {
    .olympiad-instructions-grid {
        grid-template-columns: 1fr;
    }
}

.olympiad-instructions-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.olympiad-instructions-list {
    list-style: none;
    counter-reset: instructions-counter;
    padding: 0;
    margin: 0;
}

.olympiad-instructions-list li {
    position: relative;
    padding-left: 40px;
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.5;
}

.olympiad-instructions-list li::before {
    counter-increment: instructions-counter;
    content: counter(instructions-counter) ".";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 800;
    color: var(--color-primary);
    font-size: 1.2rem;
}

.olympiad-instructions-video {
    width: 100%;
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: #001f3f;
    /* Dark blue placeholder */
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.video-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--color-primary), var(--color-accent));
    opacity: 0.3;
}

.play-button {
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: transform var(--transition);
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.video-placeholder:hover .play-button {
    transform: scale(1.1);
    background: var(--color-accent);
}

.play-button svg {
    width: 32px;
    height: 32px;
    fill: var(--color-white);
    margin-left: 4px;
    /* Optical center */
}

.video-placeholder p {
    font-weight: 600;
    z-index: 2;
}

/* ===========================
   OLYMPIAD ADVANTAGES
   =========================== */
.olympiad-advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 992px) {
    .olympiad-advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .olympiad-advantages-grid {
        grid-template-columns: 1fr;
    }
}

.olympiad-advantage-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition);
    height: 100%;
}

.olympiad-advantage-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.olympiad-advantage-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-primary);
    line-height: 1.4;
}

.olympiad-advantage-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 40px;
    /* Space for icon */
    flex-grow: 1;
}

.advantage-icon {
    position: absolute;
    bottom: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    color: var(--color-accent);
}

/* Specific styling for Ustaz text icon if needed */
.advantage-icon.text-icon {
    width: auto;
    height: auto;
    bottom: 20px;
}

/* ===========================
   OLYMPIAD FAQ
   =========================== */
.olympiad-faq-container {
    max-width: 800px;
    margin: 0 auto;
}

/* ===========================
   FAQ SECTION (OLYMPIAD)
   =========================== */
.olympiad-faq-section {
    background-color: #F9F5FF;
    /* Light purple background */
    padding: 60px 0;
}

.olympiad-faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.3s ease;
    border: none;
}

.faq-item:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    cursor: pointer;
    text-align: left;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-question svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: #A0AEC0;
}

.faq-question:hover svg {
    color: var(--color-accent);
}

.faq-question.active svg {
    transform: rotate(180deg);
    color: var(--color-accent);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding: 0 24px 24px 24px;
    color: var(--color-text);
    line-height: 1.6;
    margin: 0;
}

/* ===========================
   DOWNLOAD BUTTON (OLYMPIAD)
   =========================== */
.btn-download-block {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition);
}

.btn-download-block svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.btn-download-block:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}


/* ===========================
   ANIMATIONS & TRANSITIONS (PHASE 9)
   =========================== */

/* Page Transition Overlay */
body {
    animation: pageFadeIn 0.8s ease-out;
}

@keyframes pageFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Scroll Animation Utilities */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for grids */
.animate-on-scroll:nth-child(1) {
    transition-delay: 0.1s;
}

.animate-on-scroll:nth-child(2) {
    transition-delay: 0.2s;
}

.animate-on-scroll:nth-child(3) {
    transition-delay: 0.3s;
}

.animate-on-scroll:nth-child(4) {
    transition-delay: 0.4s;
}

.animate-on-scroll:nth-child(5) {
    transition-delay: 0.5s;
}

.animate-on-scroll:nth-child(6) {
    transition-delay: 0.6s;
}

/* Enhanced Hover Effects */
.olympiad-card,
.olympiad-advantage-card,
.catalog-card,
.material-card {
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.olympiad-card:hover,
.olympiad-advantage-card:hover,
.catalog-card:hover,
.material-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.05);
}

.btn-primary,
.btn-outline-primary {
    transition: all 0.3s ease;
}

.btn-primary:hover,
.btn-outline-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* --- Olympiad Page Specific --- */
.hero-glass-badge {
    background: rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ustaz-badge {
    font-weight: 800;
    color: #FFD700;
    font-size: 1.5rem;
}