/* Eisenmix Professional CSS - Class-based architecture */
:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --text-main: #212529;
    --text-muted: #6c757d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --max-width: 1200px;
}

.body-wrapper {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-white);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

.body-wrapper * {
    box-sizing: border-box;
}

.hero-image, .content-image {
    max-width: 100%;
    height: auto;
    display: block;
}

.main-container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
.site-header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.brand-logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -1px;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-left: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: color 0.3s;
    font-size: 15px;
    white-space: nowrap;
}

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

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-main);
    margin: 5px 0;
    transition: 0.3s;
}

/* Disclosure Bar */
.disclosure-bar {
    background-color: #f1f3f5;
    color: var(--text-muted);
    font-size: 12px;
    text-align: center;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
}

/* Hero Section */
.hero-section {
    padding: 80px 0;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: clamp(32px, 8vw, 48px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: #111;
}

.hero-description {
    font-size: clamp(16px, 4vw, 18px);
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-image-wrapper {
    flex: 1;
}

.hero-image {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    display: block;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s, transform 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-block;
    background-color: #fff;
    color: var(--text-main);
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.btn-secondary:hover {
    background-color: var(--bg-light);
}

/* Features Section */
.section-wrapper {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 18px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card-feature {
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 123, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--primary-color);
    font-size: 24px;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.feature-text {
    color: var(--text-muted);
    font-size: 15px;
}

/* Content Pages Styles */
.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 0;
}

.content-h1 {
    font-size: clamp(28px, 6vw, 42px);
    font-weight: 800;
    margin-bottom: 20px;
}

.content-h2 {
    font-size: 28px;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 20px;
}

.content-p {
    margin-bottom: 20px;
    font-size: 17px;
    color: #444;
}

.content-list {
    margin-bottom: 25px;
    padding-left: 20px;
}

.content-list-item {
    margin-bottom: 10px;
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 30px 0;
}

.comparison-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    border: 1px solid var(--border-color);
}

.table-header {
    background-color: var(--bg-light);
    border-bottom: 2px solid var(--border-color);
}

.table-cell {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table-cell-bold {
    font-weight: 700;
}

/* Footer */
.site-footer {
    background-color: #111;
    color: #fff;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-heading {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
    color: #fff;
}

.footer-text {
    color: #aaa;
    font-size: 14px;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link-item {
    margin-bottom: 12px;
}

.footer-link {
    color: #aaa;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #666;
}

/* Contact Form */
.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

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

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
}

.form-textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    height: 150px;
    resize: vertical;
}

/* Mobile Responsive */
@media (max-width: 991px) {
    .site-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-white);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: 0.3s ease-in-out;
        z-index: 1000;
        padding: 80px 40px;
    }

    .site-nav.active {
        right: 0;
    }

    .site-nav::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        opacity: 0;
        visibility: hidden;
        transition: 0.3s;
        z-index: -1;
    }

    .site-nav.active::before {
        opacity: 1;
        visibility: visible;
        left: -100%; /* Position it to cover the rest of the screen */
        width: 125%; /* Covers the 20% gap + extra */
    }

    .nav-list {
        flex-direction: column;
    }

    .nav-item {
        margin: 0 0 20px 0;
    }

    .nav-link {
        font-size: 18px;
        display: block;
    }

    .mobile-nav-toggle {
        display: block;
    }

    .mobile-nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .mobile-nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-section {
        flex-direction: column-reverse;
        text-align: center;
        padding: 40px 0;
    }
    .hero-description {
        margin: 0 auto 30px;
    }
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Specs Section */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.spec-label {
    font-weight: 700;
    color: var(--text-main);
}

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

/* Usage Scenarios */
.usage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.usage-card {
    text-align: center;
    padding: 20px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.usage-icon {
    font-size: 32px;
    margin-bottom: 15px;
}

.usage-title {
    font-weight: 700;
    margin-bottom: 10px;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    background: var(--bg-light);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 20px;
    background: var(--bg-white);
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 767px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }
    .usage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    .section-wrapper {
        padding: 60px 0;
    }
    .hero-title {
        font-size: 32px;
    }
    .content-wrapper {
        padding: 40px 0;
    }
}

@media (max-width: 480px) {
    .usage-grid {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }
}