/*
 * Qubit Signal Labs (QSL) - Stylesheet
 * Color Scheme: Earthy Tones
 * - Accent 1 (Terracotta): #CC5500
 * - Accent 2 (Sage Green): #8A9A5B
 * - Primary Text/BG: Dark Charcoal Grey, Off-White/Cream
 * - Beige/Tan: #D2B48C
 */

/* --- 1. Global Reset & Typography --- */
:root {
    --color-primary: #333333; /* Dark Charcoal Grey for Text */
    --color-secondary: #f7f7f5; /* Off-White/Cream Background */
    --color-accent1: #CC5500; /* Deep Terracotta/Burnt Orange */
    --color-accent2: #8A9A5B; /* Muted Sage Green */
    --color-beige: #D2B48C; /* Beige/Tan */
    --color-white: #ffffff;
    --color-black: #000000;
    --font-family: 'Inter', 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-primary);
    background-color: var(--color-secondary);
}

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

h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 0.5em;
    font-weight: 700;
}
h1 { font-size: 2.5em; }
h2 { font-size: 2em; }
h3 { font-size: 1.5em; }

a {
    color: var(--color-accent1);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* --- 2. Buttons & Utility Classes --- */
.cta-button {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    text-transform: uppercase;
    transition: background-color 0.3s, color 0.3s;
    border: none;
    cursor: pointer;
}

.accent1-bg {
    background-color: var(--color-accent1);
    color: var(--color-white);
}

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

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

.accent1-text { color: var(--color-accent1); }
.accent2-text { color: var(--color-accent2); }
.primary-text { color: var(--color-primary); }
.beige-background { background-color: var(--color-beige); padding: 40px 0; }
.accent-background { background-color: rgba(138, 154, 91, 0.1); } /* Light tint of Sage Green */

.cta-button:hover {
    opacity: 0.9;
}

.cta-link {
    font-weight: 600;
    margin-left: 20px;
    display: inline-block;
}

.tagline {
    font-size: 0.85em;
    font-style: italic;
    color: #666;
}

/* --- 3. Header & Navigation --- */
.sticky-header {
    background-color: var(--color-white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 1.5em;
    margin-bottom: 0;
}

.desktop-nav a {
    margin-left: 25px;
    color: var(--color-primary);
    font-weight: 500;
}

.desktop-nav-cta {
    margin-left: 30px;
}

.menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--color-primary);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--color-primary);
    padding: 10px 0;
    text-align: center;
}

.mobile-nav.open {
    display: flex;
}

.mobile-nav a {
    color: var(--color-secondary);
    padding: 10px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-cta {
    margin-top: 10px;
    padding: 10px 20px;
    text-align: center;
}

/* --- 4. Main Content Sections --- */
main {
    padding-top: 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    padding-top: 20px;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.25em;
    margin-bottom: 30px;
}

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

/* Value Proposition */
.value-prop {
    padding: 40px 20px 60px;
}

.value-grid {
    display: flex;
    gap: 30px;
    text-align: center;
}

.value-card {
    flex: 1;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: var(--color-white);
    transition: transform 0.3s, box-shadow 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.08);
}

.value-card i {
    font-size: 2.5em;
    margin-bottom: 15px;
}

/* Featured Solution */
.featured-solution {
    padding: 60px 0;
    text-align: center;
}

.solution-content h2 {
    color: var(--color-primary);
    margin-bottom: 15px;
}

.solution-content p {
    font-size: 1.1em;
    margin-bottom: 30px;
}

/* Latest Insights */
.insights {
    padding: 40px 20px 80px;
}

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

.blog-card {
    background-color: var(--color-white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.blog-card h3 {
    font-size: 1.3em;
    margin-bottom: 10px;
}

.read-more {
    font-weight: 600;
    display: block;
    margin-top: 15px;
}

/* Final CTA */
.final-cta {
    text-align: center;
    padding: 60px 20px;
}

.final-cta h2 {
    color: var(--color-white);
    margin-bottom: 30px;
}

/* --- 5. Product Page (genai-inference.html) Specific Styles --- */

.page-hero {
    padding: 40px 0;
    margin-bottom: 40px;
}

.breadcrumb {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 15px;
}

.two-column-layout {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 40px;
    padding-bottom: 60px;
}

.main-content h3 {
    margin-top: 30px;
    color: var(--color-accent1);
}

.main-content h4 {
    margin-top: 20px;
    color: var(--color-accent2);
}

.check-list {
    list-style: none;
    padding-left: 0;
    margin-top: 10px;
}

.check-list li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 8px;
}

.check-list li::before {
    content: "\f00c"; /* Font Awesome check mark */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--color-accent1);
    position: absolute;
    left: 0;
    top: 0;
}

.sidebar {
    padding: 20px;
    border-radius: 8px;
    height: fit-content;
}

.sidebar-box {
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 6px;
}

.sidebar-box h3, .sidebar-box h4 {
    margin-top: 0;
    color: var(--color-primary);
}

.sidebar-benefits {
    list-style: none;
    padding: 0;
}

.sidebar-benefits li {
    margin-bottom: 10px;
    font-size: 0.95em;
}

.sidebar-benefits i {
    margin-right: 8px;
}

.final-cta-small {
    text-align: center;
    color: var(--color-white);
    padding: 30px 20px;
}

.final-cta-small h4 {
    color: var(--color-white);
    margin-bottom: 15px;
}

/* --- 6. Footer --- */
footer {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    padding: 40px 0 10px;
}

footer h3, footer h4 {
    color: var(--color-white);
    border-bottom: 2px solid var(--color-accent1);
    padding-bottom: 5px;
    margin-bottom: 15px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

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

.footer-col a {
    color: var(--color-secondary);
    display: block;
    margin-bottom: 8px;
}

.social-links a {
    display: inline-block;
    font-size: 1.5em;
    margin-right: 15px;
    margin-top: 10px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 15px;
}

/* --- 7. Responsive Design (Mobile First) --- */
@media (max-width: 992px) {
    .desktop-nav, .desktop-nav-cta {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.5em;
    }

    .value-grid {
        flex-direction: column;
    }

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

    .hero-ctas {
        flex-direction: column;
    }

    .cta-link {
        margin: 15px 0 0 0;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 50px 0;
    }

    .hero-content h1 {
        font-size: 2em;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col h4 {
        margin-top: 20px;
    }
}

/* --- 8. About Page Specific Styles --- */
.expertise-section {
    padding: 60px 20px;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.expertise-card {
    text-align: center;
    padding: 25px;
    background-color: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.expertise-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    border-radius: 8px;
    color: var(--color-white);
    font-size: 1.8em;
    margin-bottom: 15px;
}

/* --- 9. Services Page Specific Styles --- */
.services-overview {
    padding: 40px 20px 60px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1em;
    color: #666;
    margin-bottom: 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.service-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.service-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 70px;
    height: 70px;
    border-radius: 10px;
    color: var(--color-white);
    font-size: 2em;
    margin-bottom: 15px;
}

.service-link {
    font-weight: 600;
    color: var(--color-accent1);
    display: inline-block;
    margin-top: 15px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.comparison-card {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* --- 10. Blog Page Specific Styles --- */
.blog-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 0.9em;
}

.blog-date {
    color: #999;
    font-weight: 600;
}

.blog-category {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8em;
}

.blog-cta {
    text-align: center;
    padding: 40px 20px;
}

.blog-cta h2 {
    margin-bottom: 15px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 20px auto;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
}

.newsletter-form button {
    padding: 12px 25px;
}

/* --- 11. FAQ Page Specific Styles --- */
.faq-section {
    padding: 40px 20px 60px;
}

.faq-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.faq-column h2 {
    font-size: 1.5em;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-accent1);
}

.faq-item {
    margin-bottom: 20px;
}

.faq-question {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: var(--color-white);
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    transition: background-color 0.3s, border-color 0.3s;
}

.faq-question:hover {
    background-color: #f9f9f9;
    border-color: var(--color-accent1);
}

.faq-question h3 {
    margin: 0;
    font-size: 1em;
    color: var(--color-primary);
}

.faq-question i {
    transition: transform 0.3s;
    color: var(--color-accent1);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: #fafafa;
    border-left: 4px solid var(--color-accent1);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    transition: max-height 0.3s ease-in;
}

.faq-answer p {
    padding: 15px;
    margin: 0;
}

/* --- 12. Contact Page Specific Styles --- */
.contact-section {
    padding: 40px 20px 60px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2 {
    margin-bottom: 15px;
}

.contact-info > p {
    color: #666;
    margin-bottom: 30px;
}

.contact-methods {
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    align-items: flex-start;
}

.contact-method i {
    font-size: 1.5em;
    margin-top: 5px;
    flex-shrink: 0;
}

.contact-method h4 {
    margin: 0 0 5px 0;
    color: var(--color-primary);
}

.contact-method p {
    margin: 0 0 3px 0;
    color: #666;
}

.contact-method a {
    color: var(--color-accent1);
    text-decoration: none;
}

.small-text {
    font-size: 0.9em;
    color: #999 !important;
}

.contact-social {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
}

.contact-social h4 {
    margin-bottom: 15px;
}

.social-links-large {
    display: flex;
    gap: 20px;
}

.social-links-large a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background-color: var(--color-accent1);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.5em;
    transition: background-color 0.3s;
}

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

.contact-form-wrapper h2 {
    margin-bottom: 25px;
}

.contact-form {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-family);
    font-size: 1em;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent1);
    box-shadow: 0 0 5px rgba(204, 85, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.form-checkbox input {
    width: auto;
    margin: 0;
}

.form-checkbox label {
    margin: 0;
    font-weight: 400;
}

.form-submit {
    width: 100%;
    padding: 12px;
    font-size: 1em;
}

.response-time-section {
    padding: 60px 20px;
}

.response-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.response-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.response-number {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background-color: var(--color-accent1);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.5em;
    font-weight: 700;
    margin-bottom: 15px;
}

.response-card h3 {
    margin-bottom: 10px;
}

/* Responsive adjustments for Contact & FAQ */
@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input {
        min-width: 100%;
    }
}

@media (max-width: 600px) {
    .contact-method {
        flex-direction: column;
        gap: 10px;
    }

    .social-links-large {
        justify-content: center;
    }

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

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

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