/* ============================================
   Denver Willis Consulting - Main Stylesheet
   Brand Colors:
   - Navy Blue: #1B3A5F (Primary)
   - Teal: #2B7A78 (Secondary)
   - Dark Teal: #17505E (Accent)
   Style: Professional, Clean, Minimal
   ============================================ */

/* CSS Variables */
:root {
    /* Brand Colors */
    --navy: #1B3A5F;
    --navy-dark: #142942;
    --navy-light: #2a4a6f;
    --teal: #2B7A78;
    --teal-dark: #17505E;
    --teal-light: #3d9896;
    
    /* Neutrals */
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --light-gray: #F1F3F5;
    --medium-gray: #6C757D;
    --dark-gray: #333333;
    --black: #1A1A1A;
    
    /* Typography */
    --font-heading: 'Fraunces', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-wide: 1400px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(27, 58, 95, 0.05);
    --shadow-md: 0 4px 12px rgba(27, 58, 95, 0.08);
    --shadow-lg: 0 8px 30px rgba(27, 58, 95, 0.12);
    --shadow-xl: 0 20px 50px rgba(27, 58, 95, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--navy);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-md);
}

p:last-child {
    margin-bottom: 0;
}

.lead {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--medium-gray);
}

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-wide {
    max-width: var(--container-wide);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-alt {
    background-color: var(--off-white);
}

.section-dark {
    background-color: var(--navy);
    color: var(--white);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

.btn-primary:hover {
    background-color: var(--navy-dark);
    border-color: var(--navy-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--navy);
    border-color: var(--navy);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--teal);
    border-color: var(--teal);
}

.btn-outline:hover {
    background-color: var(--teal);
    color: var(--white);
}

.btn-white {
    background-color: var(--white);
    color: var(--navy);
    border-color: var(--white);
}

.btn-white:hover {
    background-color: var(--off-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-white:hover {
    background-color: var(--white);
    color: var(--navy);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--white);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dark-gray);
    padding: var(--space-sm) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--teal);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--navy);
}

.dropdown-arrow {
    font-size: 0.75rem;
    margin-left: 0.25rem;
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    min-width: 480px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-section h4 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--teal);
    margin-bottom: var(--space-md);
}

.dropdown-section a {
    display: block;
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
    color: var(--dark-gray);
    transition: color var(--transition-fast);
}

.dropdown-section a:hover {
    color: var(--navy);
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.phone-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--navy);
}

.phone-link svg {
    color: var(--teal);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--navy);
    transition: all var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--off-white) 0%, var(--white) 50%, rgba(43, 122, 120, 0.05) 100%);
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(43, 122, 120, 0.08) 0%, transparent 70%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding: var(--space-3xl) var(--space-lg);
}

.hero-content {
    max-width: 600px;
}

.hero-tagline {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--teal);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    color: var(--navy);
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--medium-gray);
    margin-bottom: var(--space-2xl);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.stat-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: transform var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--teal);
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--medium-gray);
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.hero-scroll span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--medium-gray);
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--teal);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background-color: var(--teal);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    margin-bottom: var(--space-3xl);
}

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

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--teal);
    margin-bottom: var(--space-md);
}

.section-label-light {
    color: var(--teal-light);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-title-light {
    color: var(--white);
}

.section-description {
    font-size: 1.125rem;
    color: var(--medium-gray);
    max-width: 600px;
}

.section-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* ============================================
   Services Grid
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    display: block;
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--light-gray);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--teal);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(43, 122, 120, 0.1), rgba(27, 58, 95, 0.1));
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    color: var(--teal);
}

.service-title {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--medium-gray);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.service-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--teal);
    transition: color var(--transition-fast);
}

.service-card:hover .service-link {
    color: var(--navy);
}

.service-card-featured {
    background: linear-gradient(135deg, var(--navy), var(--teal-dark));
    color: var(--white);
    border: none;
}

.service-card-featured .service-icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

.service-card-featured .service-title {
    color: var(--white);
}

.service-card-featured .service-description {
    color: rgba(255, 255, 255, 0.8);
}

.service-card-featured .service-link {
    color: var(--white);
}

.services-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* ============================================
   About Preview
   ============================================ */
.about-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-preview-text {
    font-size: 1.0625rem;
    color: var(--medium-gray);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.about-values {
    margin: var(--space-2xl) 0;
}

.value-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.value-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--teal);
    color: var(--white);
    border-radius: 50%;
}

.value-content h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.value-content p {
    font-size: 0.9375rem;
    color: var(--medium-gray);
    margin: 0;
}

/* About Visual */
.about-preview-visual {
    position: relative;
}

.experience-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 140px;
    height: 140px;
    background: var(--navy);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 10;
    box-shadow: var(--shadow-xl);
}

.experience-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.experience-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.3;
    margin-top: var(--space-xs);
}

.about-image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--space-md);
    height: 450px;
}

.about-image {
    background-color: var(--light-gray);
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
}

.about-image-1 {
    grid-column: 1;
    grid-row: 1 / 3;
    background-image: linear-gradient(135deg, var(--navy) 0%, var(--teal-dark) 100%);
}

.about-image-2 {
    background-image: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
}

.about-image-3 {
    background-image: linear-gradient(135deg, var(--light-gray) 0%, var(--off-white) 100%);
}

/* ============================================
   Industries
   ============================================ */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.industry-card {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--light-gray);
    transition: all var(--transition-base);
}

.industry-card:hover {
    border-color: var(--teal);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.industry-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(43, 122, 120, 0.1), rgba(27, 58, 95, 0.05));
    border-radius: 50%;
    margin-bottom: var(--space-lg);
    color: var(--teal);
}

.industry-card h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.industry-card p {
    font-size: 0.9375rem;
    color: var(--medium-gray);
    margin: 0;
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-content {
    position: relative;
}

.quote-icon {
    position: absolute;
    top: 0;
    left: 0;
    color: var(--teal-light);
}

.testimonial-text {
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    padding-top: var(--space-2xl);
    color: rgba(255, 255, 255, 0.9);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--teal);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.author-info strong {
    display: block;
    font-size: 0.9375rem;
    margin-bottom: 2px;
}

.author-info span {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Case Studies Preview
   ============================================ */
.case-studies-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-xl);
}

.case-study-card {
    display: block;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--navy);
    transition: transform var(--transition-base);
}

.case-study-card:hover {
    transform: translateY(-5px);
}

.case-study-card-large {
    grid-column: 1;
    grid-row: 1 / 3;
}

.case-study-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    transition: opacity var(--transition-base);
}

.case-study-card:hover .case-study-image {
    opacity: 0.4;
}

.case-study-content {
    position: relative;
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 280px;
    color: var(--white);
}

.case-study-card-large .case-study-content {
    min-height: 100%;
}

.case-study-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--teal-light);
    margin-bottom: var(--space-md);
}

.case-study-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-md);
}

.case-study-card-large .case-study-title {
    font-size: 1.5rem;
}

.case-study-excerpt {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.case-study-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--teal-light);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--navy) 0%, var(--teal-dark) 100%);
    padding: var(--space-4xl) 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--white);
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ============================================
   Latest Insights
   ============================================ */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.insight-card {
    display: block;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--light-gray);
    transition: all var(--transition-base);
}

.insight-card:hover {
    border-color: var(--teal);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

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

.insight-content {
    padding: var(--space-xl);
}

.insight-date {
    font-size: 0.8125rem;
    color: var(--teal);
    margin-bottom: var(--space-sm);
}

.insight-title {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-md);
    color: var(--navy);
}

.insight-excerpt {
    font-size: 0.9375rem;
    color: var(--medium-gray);
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   Newsletter
   ============================================ */
.newsletter {
    padding: var(--space-3xl) 0;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.newsletter-text h2 {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
}

.newsletter-text p {
    color: var(--medium-gray);
    margin: 0;
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--teal);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--medium-gray);
}

.form-checkbox input {
    margin-top: 3px;
    accent-color: var(--teal);
}

.form-checkbox a {
    color: var(--teal);
}

.form-checkbox a:hover {
    text-decoration: underline;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--navy-dark);
    color: var(--white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--space-md);
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--teal-light);
    margin-bottom: var(--space-md);
}

.footer-description {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--teal);
    transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.footer-links ul li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--teal-light);
}

.footer-contact address {
    font-style: normal;
}

.footer-contact p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.footer-contact a {
    color: var(--teal-light);
}

.footer-contact a:hover {
    text-decoration: underline;
}

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

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

/* ============================================
   Page Hero (Inner Pages)
   ============================================ */
.page-hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--teal-dark) 100%);
    padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
    color: var(--white);
}

.page-hero-content {
    max-width: 700px;
}

.page-hero .section-label {
    color: var(--teal-light);
}

.page-hero h1 {
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.page-hero .lead {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    margin-bottom: var(--space-xl);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
    color: var(--white);
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Content Pages
   ============================================ */
.content-section {
    padding: var(--space-4xl) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--space-4xl);
}

.content-main {
    max-width: 800px;
}

.content-main h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-lg);
}

.content-main h2:first-child {
    margin-top: 0;
}

.content-main p {
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.content-main ul,
.content-main ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.content-main li {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.content-main ul li {
    list-style-type: disc;
}

.content-main ol li {
    list-style-type: decimal;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.sidebar-widget {
    background: var(--off-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.sidebar-widget h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.sidebar-widget ul li {
    margin-bottom: var(--space-sm);
}

.sidebar-widget a {
    font-size: 0.9375rem;
    color: var(--dark-gray);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sidebar-widget a:hover {
    color: var(--teal);
}

.sidebar-widget a.active {
    color: var(--navy);
    font-weight: 500;
}

/* Contact CTA Widget */
.sidebar-cta {
    background: linear-gradient(135deg, var(--navy) 0%, var(--teal-dark) 100%);
    color: var(--white);
}

.sidebar-cta h4 {
    color: var(--white);
}

.sidebar-cta p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
}

.sidebar-cta .btn {
    width: 100%;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--dark-gray);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    background-color: var(--white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(43, 122, 120, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

/* ============================================
   Service Page Specific
   ============================================ */
.service-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    margin: var(--space-2xl) 0;
}

.benefit-card {
    padding: var(--space-xl);
    background: var(--off-white);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--teal);
}

.benefit-card h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.benefit-card p {
    font-size: 0.9375rem;
    color: var(--medium-gray);
    margin: 0;
}

/* Related Services */
.related-services {
    margin-top: var(--space-3xl);
    padding-top: var(--space-3xl);
    border-top: 1px solid var(--light-gray);
}

.related-services h3 {
    margin-bottom: var(--space-xl);
}

.related-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

/* ============================================
   Blog Page
   ============================================ */
.blog-filters {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9375rem;
    color: var(--dark-gray);
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--teal);
    color: var(--white);
    border-color: var(--teal);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--light-gray);
    transition: all var(--transition-base);
}

.blog-card:hover {
    border-color: var(--teal);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

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

.blog-card-content {
    padding: var(--space-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.8125rem;
    color: var(--medium-gray);
    margin-bottom: var(--space-md);
}

.blog-card-category {
    color: var(--teal);
    font-weight: 500;
}

.blog-card-title {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-md);
    color: var(--navy);
}

.blog-card-excerpt {
    font-size: 0.9375rem;
    color: var(--medium-gray);
    line-height: 1.6;
    flex: 1;
}

.blog-card-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--teal);
    margin-top: var(--space-lg);
}

/* Blog Post Single */
.blog-post-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
}

.blog-post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    font-size: 0.9375rem;
    color: var(--medium-gray);
}

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

.blog-post-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
}

/* Share Buttons */
.share-buttons {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--light-gray);
    border-bottom: 1px solid var(--light-gray);
    margin: var(--space-2xl) 0;
}

.share-buttons span {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dark-gray);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--white);
    transition: all var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-2px);
}

.share-btn.linkedin { background: #0077B5; }
.share-btn.twitter { background: #1DA1F2; }
.share-btn.facebook { background: #4267B2; }

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-3xl);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid var(--light-gray);
    color: var(--dark-gray);
    transition: all var(--transition-fast);
}

.pagination a:hover {
    border-color: var(--teal);
    color: var(--teal);
}

.pagination .active {
    background: var(--navy);
    border-color: var(--navy);
    color: var(--white);
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--off-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.contact-info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--teal);
    color: var(--white);
    border-radius: var(--radius-md);
}

.contact-info-content h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.contact-info-content p,
.contact-info-content a {
    font-size: 0.9375rem;
    color: var(--medium-gray);
    margin: 0;
}

.contact-info-content a:hover {
    color: var(--teal);
}

.contact-form-card {
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.contact-form-card h3 {
    margin-bottom: var(--space-xl);
}

/* ============================================
   Case Study Single
   ============================================ */
.case-study-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    background: var(--off-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.meta-item {
    text-align: center;
}

.meta-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--teal);
    margin-bottom: var(--space-xs);
}

.meta-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy);
}

.case-study-section {
    margin-bottom: var(--space-3xl);
}

.case-study-section h2 {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.case-study-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--teal);
    border-radius: 2px;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 700px;
        margin: 0 auto;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        margin-top: var(--space-3xl);
    }
    
    .about-preview-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .about-preview-visual {
        order: -1;
    }
    
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .case-studies-grid {
        grid-template-columns: 1fr;
    }
    
    .case-study-card-large {
        grid-row: auto;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .related-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .nav,
    .header-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav.active {
        display: block;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        padding: var(--space-xl);
        overflow-y: auto;
    }
    
    .nav.active .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    
    .nav.active .nav-link {
        display: block;
        padding: var(--space-md) 0;
        font-size: 1.125rem;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .nav.active .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        padding: var(--space-md) 0 var(--space-md) var(--space-lg);
        grid-template-columns: 1fr;
        min-width: auto;
    }
    
    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + var(--space-3xl));
        padding-bottom: var(--space-3xl);
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .stat-card {
        padding: var(--space-lg);
    }
    
    .hero-scroll {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .service-benefits {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .case-study-meta {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .meta-item {
        text-align: left;
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .meta-item:last-child {
        border-bottom: none;
    }
    
    .related-services-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }
.mb-4 { margin-bottom: var(--space-3xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }
.mt-4 { margin-top: var(--space-3xl); }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}