/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4a6ee0;
    --primary-dark: #3857b8;
    --secondary-color: #ff6b6b;
    --accent-color: #ffc045;
    --text-color: #333;
    --text-light: #666;
    --text-xlight: #999;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #eaecef;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --border-color: #e1e4e8;
    --border-radius: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto Slab', serif;
    font-weight: 700;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

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

a:hover {
    color: var(--primary-dark);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 15px;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

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

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

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

/* ===== HEADER ===== */
header {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 100;
}

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

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
}

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

.tagline {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: -5px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav ul li a:hover:after,
nav ul li a.active:after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 80px 0;
    background: linear-gradient(to right, #f6f9ff, #f0f4ff);
    margin-top: -1px;
}

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

.hero-content {
    flex: 1;
    padding-right: 40px;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 500px;
}

.buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.crossword-preview {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    height: 400px;
    position: relative;
    overflow: hidden;
}

.grid-placeholder {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: var(--text-xlight);
    background: linear-gradient(45deg, #f9f9f9 25%, #f2f2f2 25%, #f2f2f2 50%, #f9f9f9 50%, #f9f9f9 75%, #f2f2f2 75%);
    background-size: 20px 20px;
    padding: 20px;
    text-align: center;
}

.grid-placeholder i {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.grid-placeholder p {
    font-weight: 600;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.feature-card .icon {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 1.3rem;
}

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

/* ===== PRICING SECTION ===== */
.pricing {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.pricing-card h3 {
    font-size: 1.6rem;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 10px 0;
    color: var(--primary-color);
}

.pricing-card .tokens {
    background-color: var(--bg-light);
    padding: 8px 15px;
    border-radius: 30px;
    display: inline-block;
    margin-bottom: 20px;
    font-weight: 500;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 25px;
}

.pricing-card ul li {
    margin-bottom: 10px;
    color: var(--text-light);
}

.pricing-card ul li i {
    color: var(--success-color);
    margin-right: 5px;
}

.pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-color);
    color: white;
    padding: 8px 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border-bottom-left-radius: var(--border-radius);
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.faq-item {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 25px;
    border: 1px solid var(--border-color);
}

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.faq-item h3:before {
    content: 'Q';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.faq-item p {
    color: var(--text-light);
    position: relative;
    padding-left: 25px;
}

.faq-item p:before {
    content: 'A';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 80px 0;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    margin-top: 20px;
}

.form-group input {
    flex: 1;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 1rem;
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary-color);
}

.form-group button {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    border: none;
    padding: 0 25px;
}

/* ===== FOOTER ===== */
footer {
    background-color: #1e2a4e;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 60px;
}

.link-group h3 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.link-group ul {
    list-style: none;
}

.link-group ul li {
    margin-bottom: 10px;
}

.link-group ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.link-group ul li a:hover {
    color: white;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    transition: var(--transition);
}

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

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1024px) {
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .crossword-preview {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
        text-align: center;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .buttons {
        justify-content: center;
    }
    
    .hero-image {
        width: 100%;
    }
    
    .crossword-preview {
        height: 300px;
    }
    
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    
    nav ul.show {
        display: flex;
    }
    
    nav ul li {
        margin: 10px 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        gap: 30px;
    }
}

@media (max-width: 576px) {
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .link-group {
        width: 45%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
    }
}