:root {
    --primary: #2a9d8f;
    --primary-dark: #264653;
    --secondary: #e9c46a;
    --accent: #f4a261;
    --danger: #e76f51;
    --dark: #1d3557;
    --light: #f1faee;
    --gray: #a8dadc;
    --text: #333333;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--light);
    font-weight: 400;
}

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

header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 10px;
    background: linear-gradient(90deg, var(--accent), var(--secondary), var(--danger));
}

header h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

header p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

h2 {
    font-size: 2rem;
    margin-bottom: 25px;
    color: var(--primary-dark);
    font-weight: 600;
    position: relative;
    display: inline-block;
}

h2::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.main-nav {
    background-color: var(--primary-dark);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.main-nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 5px;
    padding: 0 10px;
}

.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 15px 20px;
    display: block;
    transition: all 0.3s;
    position: relative;
}

.main-nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--secondary);
    transition: width 0.3s;
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.main-nav a:hover::after {
    width: 70%;
}

.content-section {
    margin-bottom: 70px;
    padding-top: 10px;
}

.info-box {
    background-color: rgba(42, 157, 143, 0.1);
    border: 1px solid var(--gray);
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
    position: relative;
}

.info-box h3 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.info-box h3::before {
    content: "ℹ️";
    margin-right: 10px;
}

.columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.column {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--accent);
    transition: transform 0.3s, box-shadow 0.3s;
}

.column:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.step {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    border-left: 4px solid var(--secondary);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 45px;
    height: 45px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 20px;
    font-size: 1.2rem;
    box-shadow: 0 4px 8px rgba(42, 157, 143, 0.3);
}

.step h3 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.mixers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.mixer-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.mixer-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.mixer-image {
    height: 200px;
    background-color: var(--gray);
    background-size: cover;
    background-position: center;
    position: relative;
}

.mixer-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--accent);
    color: var(--primary-dark);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.mixer-content {
    padding: 25px;
}

.mixer-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.mixer-description {
    font-size: 0.95rem;
    color: var(--text);
    margin-bottom: 20px;
    line-height: 1.6;
}

.mixer-features {
    margin-bottom: 25px;
}

.mixer-features li {
    font-size: 0.9rem;
    margin-bottom: 8px;
    list-style-type: none;
    position: relative;
    padding-left: 25px;
    line-height: 1.5;
}

.mixer-features li:before {
    content: "✓";
    color: var(--primary);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.mixer-link {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s;
    width: 100%;
    text-align: center;
}

.mixer-link:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(42, 157, 143, 0.3);
}

.faq-item {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    background: white;
}

.faq-item h3 {
    padding: 20px;
    background-color: rgba(233, 196, 106, 0.2);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
}

.faq-item h3:after {
    content: "+";
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s;
}

.faq-item.active h3:after {
    content: "-";
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 20px;
    background: white;
}

.tips-list {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.tips-list li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 35px;
    font-size: 0.95rem;
}

.tips-list li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 18px;
    height: 18px;
    background-color: var(--secondary);
    border-radius: 4px;
    transform: rotate(45deg);
}

footer {
    background-color: var(--primary-dark);
    color: white;
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h3 {
    color: var(--secondary);
    margin-bottom: 20px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent);
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: white;
    padding-left: 5px;
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.2rem;
    }
    
    header p {
        font-size: 1.1rem;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav a {
        padding: 12px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .mixers-grid {
        grid-template-columns: 1fr;
    }
    
    .guide-steps {
        grid-template-columns: 1fr;
    }
}

/* Animation for cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mixer-card, .step, .column {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.mixer-card:nth-child(1) { animation-delay: 0.1s; }
.mixer-card:nth-child(2) { animation-delay: 0.2s; }
.mixer-card:nth-child(3) { animation-delay: 0.3s; }
.mixer-card:nth-child(4) { animation-delay: 0.4s; }
.step:nth-child(1) { animation-delay: 0.1s; }
.step:nth-child(2) { animation-delay: 0.2s; }
.step:nth-child(3) { animation-delay: 0.3s; }
.step:nth-child(4) { animation-delay: 0.4s; }
.step:nth-child(5) { animation-delay: 0.5s; }
.column:nth-child(1) { animation-delay: 0.1s; }
.column:nth-child(2) { animation-delay: 0.2s; }
.column:nth-child(3) { animation-delay: 0.3s; }