/* Institute for Knowledge Systems Kazakhstan - Main Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #2c7a7b;
    --secondary-color: #4299e1;
    --dark-gray: #2d3748;
    --medium-gray: #4a5568;
    --light-gray: #e2e8f0;
    --bg-light: #f7fafc;
    --white: #ffffff;
    --success-green: #48bb78;
    --text-dark: #1a202c;
    --text-light: #718096;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-gray);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: rgba(255,255,255,0.9);
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

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

.btn-secondary:hover {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--white);
}

.card h3 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-light);
}

/* Features Section */
.features {
    background-color: var(--bg-light);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--medium-gray) 100%);
    color: var(--white);
    text-align: center;
    padding: 5rem 0;
}

.cta h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
}

/* Blog Cards */
.blog-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.blog-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.blog-card-content {
    padding: 2rem;
}

.blog-card-date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.blog-card h3 {
    margin-bottom: 1rem;
}

.blog-card-excerpt {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Article Page */
.article-header {
    padding: 3rem 0;
    background-color: var(--bg-light);
}

.article-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.article-content {
    max-width: 800px;
    margin: 3rem auto;
}

.article-content img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 2rem 0;
}

.article-content h2,
.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.article-content ul,
.article-content ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.article-content li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--medium-gray);
}

/* Contact Page */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--light-gray);
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 3rem;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* FAQ Page */
.faq-item {
    background: var(--white);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    color: var(--text-light);
    margin-top: 1rem;
    display: none;
}

.faq-answer.active {
    display: block;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-toggle.active {
    transform: rotate(45deg);
}

/* Footer */
footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255,255,255,0.8);
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 1.5rem;
    display: none;
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.cookie-banner.show {
    display: block;
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.cookie-content p {
    margin: 0;
    color: rgba(255,255,255,0.9);
}

.cookie-content a {
    color: var(--success-green);
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
}

.btn-cookie {
    padding: 0.625rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-cookie-accept {
    background-color: var(--success-green);
    color: var(--white);
}

.btn-cookie-decline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.1);
        padding: 2rem 0;
        gap: 1rem;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
    
    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* Legal Pages */
.legal-content {
    max-width: 900px;
    margin: 3rem auto;
}

.legal-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content ul,
.legal-content ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}