/* Bear Consulting Group - Main Styles */
/* Based on Instinct.so inspired typography */

/* Font Imports - Use high-quality fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Root Variables - Instinct.so Style */
:root {
    /* Colors */
    --bg-primary: #000000;
    --text-primary: #FFFFFF;
    --text-secondary: #CCCCCC;
    --text-muted: #888888;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 80px;
    
    /* Typography Scale */
    --text-xs: 12px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 18px;
    --text-xl: 20px;
    --text-2xl: 24px;
    --text-3xl: 30px;
    --text-4xl: 36px;
    --text-5xl: 48px;
    --text-6xl: 60px;
    --text-7xl: 72px;
    --text-8xl: 96px;
    --text-9xl: 128px;
}

/* Base Styles - Instinct.so Foundation */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--text-base);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy - Instinct.so Style */

/* Massive Logo/Hero Text */
.instinct-hero {
    font-size: clamp(48px, 12vw, 160px);
    font-weight: 400;
    line-height: 0.9;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin: 0;
}

/* Large Headings */
.instinct-h1 {
    font-size: clamp(36px, 8vw, 96px);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

/* Medium Headings */
.instinct-h2 {
    font-size: clamp(24px, 5vw, 48px);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* Small Headings */
.instinct-h3 {
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

/* Body Text */
.instinct-body {
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* Secondary Text */
.instinct-secondary {
    font-size: var(--text-sm);
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* Muted Text */
.instinct-muted {
    font-size: var(--text-sm);
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-muted);
}

/* Navigation - Instinct.so Style */
.instinct-nav {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
    letter-spacing: 0.01em;
}

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

/* Buttons - Instinct.so Style */
.instinct-button {
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    border: 1px solid var(--text-secondary);
    padding: 12px 24px;
    border-radius: 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    letter-spacing: 0.01em;
    margin: 0 var(--spacing-xs);
}

.instinct-button:hover {
    border-color: var(--text-primary);
    background: var(--text-primary);
    color: var(--bg-primary);
}

/* Layout - Instinct.so Spacing */
.instinct-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.instinct-section {
    padding: var(--spacing-xxl) 0;
}

.instinct-grid {
    display: grid;
    gap: var(--spacing-lg);
}

/* Specific Components - Instinct.so Style */

/* Logo */
.instinct-logo {
    font-size: clamp(20px, 4vw, 32px);
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-icon {
    width: clamp(24px, 4vw, 28px);
    height: clamp(24px, 4vw, 28px);
    stroke: currentColor;
    flex-shrink: 0;
}

/* Tags/Labels */
.instinct-tag {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 12px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

/* Cards */
.instinct-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-lg);
    transition: all 0.2s ease;
}

.instinct-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Utilities */
.instinct-center {
    text-align: center;
}

.instinct-left {
    text-align: left;
}

.instinct-right {
    text-align: right;
}

/* Site-specific Styles */

/* Header */
.site-header {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
    z-index: 1001;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    transform-origin: center;
}

/* Hamburger animation states */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero-section {
    padding: calc(var(--spacing-xxl) * 2) 0;
}

.hero-subtitle {
    margin: var(--spacing-lg) 0;
    color: var(--text-secondary);
}

.hero-cta {
    margin-top: var(--spacing-xl);
}

/* Services Grid */
.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    margin-top: var(--spacing-xl);
}

.service-card .instinct-nav {
    margin-top: var(--spacing-sm);
    display: inline-block;
}

/* Offers Grid */
.offers-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-top: var(--spacing-xl);
}

/* Insights Grid */
.insights-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin-top: var(--spacing-xl);
}

.insight-card .instinct-secondary {
    margin: var(--spacing-sm) 0;
}

.insight-card .instinct-nav {
    margin-top: var(--spacing-sm);
    display: inline-block;
}

/* Footer */
.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 400px;
}

.footer-brand .instinct-secondary {
    margin-top: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xxl);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column h4 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-base);
}

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

/* Responsive Adjustments */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 24px;
        --spacing-xl: 40px;
        --spacing-xxl: 60px;
    }
    
    .instinct-container {
        padding: 0 var(--spacing-sm);
    }
    
    .instinct-section {
        padding: var(--spacing-xl) 0;
    }
    
    /* Mobile Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-primary);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: var(--spacing-xxl) var(--spacing-lg);
        gap: var(--spacing-lg);
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links .instinct-nav {
        font-size: var(--text-lg);
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
    }
    
    .nav-links .instinct-nav:last-child {
        border-bottom: none;
    }
    
    /* Mobile menu overlay */
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .mobile-menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .hero-section {
        padding: var(--spacing-xxl) 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-links {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 16px;
        --spacing-xl: 32px;
        --spacing-xxl: 48px;
    }
    
    .instinct-hero {
        line-height: 1.0;
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .hero-cta .instinct-button {
        display: block;
        margin: var(--spacing-sm) 0;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

/* Focus States - Accessibility */
.instinct-button:focus,
.instinct-nav:focus,
.instinct-logo:focus {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--text-primary);
    color: var(--bg-primary);
}

/* Animation - Subtle like Instinct.so */
@keyframes instinct-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.instinct-animate {
    animation: instinct-fade-in 0.6s ease-out;
}

/* Service Page Specific Styles */
.content-grid {
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.main-content {
    max-width: none;
}

.approach-cards {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    margin-top: var(--spacing-lg);
}

.sidebar {
    position: sticky;
    top: var(--spacing-lg);
}

.sidebar .instinct-card {
    margin-bottom: var(--spacing-lg);
}

.service-features,
.challenge-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.service-features li,
.challenge-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.service-features li:last-child,
.challenge-list li:last-child {
    border-bottom: none;
}

.cta-buttons {
    margin-top: var(--spacing-lg);
}

/* Responsive adjustments for service pages */
@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .sidebar {
        position: static;
    }
    
    .approach-cards {
        grid-template-columns: 1fr;
    }
}

/* Contact Page Specific Styles */
.contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.contact-form {
    margin-top: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-submit {
    margin-top: var(--spacing-md);
    width: 100%;
    justify-content: center;
}

.quick-options {
    margin-top: var(--spacing-md);
}

.option-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.option-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.option-item h4 {
    margin-bottom: var(--spacing-xs);
}

.option-item .instinct-tag {
    margin-bottom: var(--spacing-xs);
}

.expectation-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.expectation-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.expectation-list li:last-child {
    border-bottom: none;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.faq-item h4 {
    margin-bottom: var(--spacing-xs);
}

/* Responsive adjustments for contact page */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* About Page Specific Styles */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.principles-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin: var(--spacing-xl) 0;
}

.expertise-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.expertise-column h4 {
    margin-bottom: var(--spacing-md);
}

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

.expertise-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.expertise-list li:last-child {
    border-bottom: none;
}

/* Responsive adjustments for about page */
@media (max-width: 768px) {
    .principles-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-areas {
        grid-template-columns: 1fr;
    }
}

/* Insights Page Specific Styles */
.article-meta {
    margin: var(--spacing-sm) 0;
}

.newsletter-section {
    background: rgba(255, 255, 255, 0.02);
}

.newsletter-card {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-form {
    margin: var(--spacing-lg) 0;
}

.newsletter-input-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.newsletter-input {
    flex: 1;
}

.newsletter-input-group .instinct-button {
    margin: 0;
    white-space: nowrap;
}

/* Article Page Specific Styles */
.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: var(--spacing-xxl);
}

.article-meta-info {
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.article-body h2 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-body h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.article-body p {
    margin-bottom: var(--spacing-md);
}

.article-body ul,
.article-body ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.article-body li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.article-body blockquote {
    border-left: 3px solid var(--text-secondary);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-cta {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-xl);
    margin: var(--spacing-xxl) 0;
    text-align: center;
}

/* Responsive adjustments for insights pages */
@media (max-width: 768px) {
    .newsletter-input-group {
        flex-direction: column;
    }
    
    .newsletter-input-group .instinct-button {
        width: 100%;
    }
    
    .article-meta-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Image Styles with Gradient Overlays */
.hero-image {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.hero-image .instinct-container {
    position: relative;
    z-index: 2;
}

.section-image {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.section-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.6) 100%);
    z-index: 1;
}

.section-image .instinct-container {
    position: relative;
    z-index: 2;
}

.card-image {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 16px;
    overflow: hidden;
    min-height: 200px;
}

.card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 1;
    transition: all 0.3s ease;
}

.card-image:hover::before {
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
}

.card-image .card-content {
    position: relative;
    z-index: 2;
    padding: var(--spacing-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

/* Subtle background images for sections */
.about-hero {
    background-image: url('../images/consultants1.webp');
}

.services-hero {
    background-image: url('../images/consultants2.webp');
}

.contact-hero {
    background-image: url('../images/consultants3.webp');
}

.insights-hero {
    background-image: url('../images/consultants4.webp');
}

/* Service-specific background images */
.operations-bg {
    background-image: url('../images/consultants5.webp');
}

.automation-bg {
    background-image: url('../images/consultants6.webp');
}

.data-bg {
    background-image: url('../images/consultants7.webp');
}

.change-bg {
    background-image: url('../images/consultants8.webp');
}

/* Image optimization */
.webp-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Fallback for browsers that don't support WebP */
.no-webp .about-hero {
    background-image: url('../images/consultants1.jpg');
}

.no-webp .services-hero {
    background-image: url('../images/consultants2.jpg');
}

.no-webp .contact-hero {
    background-image: url('../images/consultants3.jpg');
}

.no-webp .insights-hero {
    background-image: url('../images/consultants4.jpg');
}

.no-webp .operations-bg {
    background-image: url('../images/consultants5.jpg');
}

.no-webp .automation-bg {
    background-image: url('../images/consultants6.jpg');
}

.no-webp .data-bg {
    background-image: url('../images/consultants7.jpg');
}

.no-webp .change-bg {
    background-image: url('../images/consultants8.jpg');
}

/* Case Notes Page Specific Styles */
.case-notes-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    margin-top: var(--spacing-xl);
}

.case-note-card {
    position: relative;
    padding: var(--spacing-xl);
}

.case-note-card .instinct-tag {
    margin-bottom: var(--spacing-md);
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.metric-label {
    display: block;
    font-size: var(--text-xs);
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.outcomes-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-top: var(--spacing-xl);
}

.outcome-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0 0 0;
}

.outcome-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    padding-left: var(--spacing-md);
}

.outcome-list li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--text-secondary);
}

.outcome-list li:last-child {
    border-bottom: none;
}

/* Responsive adjustments for case notes page */
@media (max-width: 768px) {
    .case-notes-grid {
        grid-template-columns: 1fr;
    }
    
    .case-metrics {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .outcomes-grid {
        grid-template-columns: 1fr;
    }
}