/* ============================================
   ZENTRA MARKETING AGENCY - STYLESHEET
   Premium Black + Green Theme
   ============================================ */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-black: #000000;
    --primary-green: #00ff88;
    --accent-red: #ff3333;
    --dark-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #666666;
    --lighter-gray: #999999;
    --white: #ffffff;
    --off-white: #fafafa;
    --beige: #f5f5f0;
    --dark-green: #0a1f0a;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing - Increased for more premium feel */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    --spacing-3xl: 8rem;
    --spacing-4xl: 10rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    color: var(--white);
    background-color: var(--primary-black);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    text-decoration: none;
    letter-spacing: -1px;
    transition: color var(--transition-fast);
    font-style: italic;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-menu a {
    color: var(--off-white);
    text-decoration: none;
    font-weight: var(--font-weight-regular);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
    position: relative;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-green);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-green);
}

.nav-cta {
    background-color: var(--beige);
    color: var(--primary-black) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 2px;
    font-weight: var(--font-weight-regular);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.nav-cta:hover {
    background-color: var(--white);
    color: var(--primary-black) !important;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--white);
    transition: all var(--transition-fast);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-green);
    color: var(--primary-black);
    border-radius: 2px;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--off-white);
    border: 1px solid var(--off-white);
    border-radius: 2px;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background-color: var(--off-white);
    color: var(--primary-black);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-green);
    border: 1px solid var(--primary-green);
    border-radius: 2px;
    letter-spacing: 0.5px;
}

.btn-outline:hover {
    background-color: var(--primary-green);
    color: var(--primary-black);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    margin-top: 80px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--primary-black) 0%, rgba(0, 255, 136, 0.02) 50%, var(--primary-black) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(3.5rem, 8vw, 7rem);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.05;
    margin-bottom: var(--spacing-xl);
    color: var(--off-white);
    letter-spacing: -2px;
    max-width: 1100px;
}

.hero-title .highlight {
    color: var(--primary-green);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
    max-width: 800px;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.3px;
}

.hero-cta-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 4rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--primary-green);
    line-height: 1;
    letter-spacing: -2px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--lighter-gray);
    margin-top: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: var(--font-weight-medium);
}

.hero-shape {
    position: absolute;
    top: -100px;
    right: -300px;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.12) 0%, rgba(0, 255, 136, 0.05) 40%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
}

/* ============================================
   PAGE HERO
   ============================================ */

.page-hero {
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    margin-top: 80px;
    text-align: center;
    background: var(--primary-black);
}

.page-title {
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-lg);
    color: var(--off-white);
    letter-spacing: -2px;
    line-height: 1.05;
}

.page-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--lighter-gray);
    font-weight: var(--font-weight-light);
    letter-spacing: 0.3px;
}

/* ============================================
   SECTIONS
   ============================================ */

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-lg);
    color: var(--off-white);
    letter-spacing: -2px;
    line-height: 1.1;
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--lighter-gray);
    max-width: 800px;
    margin: 0 auto;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.3px;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */

.problem-section {
    background-color: var(--primary-black);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.problem-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 255, 136, 0.02) 100%);
    padding: var(--spacing-xl);
    border-radius: 4px;
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: all var(--transition-normal);
}

.problem-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
    border-color: rgba(0, 255, 136, 0.3);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 255, 136, 0.05) 100%);
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.problem-card h3 {
    font-size: 1.4rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    letter-spacing: -0.5px;
}

.problem-card p {
    color: var(--lighter-gray);
    line-height: 1.8;
    font-size: 1rem;
}

/* ============================================
   SOLUTION SECTION
   ============================================ */

.solution-section {
    background: linear-gradient(180deg, var(--primary-black) 0%, rgba(0, 255, 136, 0.03) 50%, var(--primary-black) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.solution-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.solution-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.solution-lead {
    font-size: 1.4rem;
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.9;
    font-weight: var(--font-weight-light);
}

.solution-lead strong {
    color: var(--primary-green);
    font-weight: var(--font-weight-semibold);
}

.solution-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.solution-point {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.point-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background-color: var(--primary-green);
    color: var(--primary-black);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: 1rem;
}

.solution-point h4 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--white);
    letter-spacing: -0.5px;
}

.solution-point p {
    color: var(--lighter-gray);
    line-height: 1.8;
    font-size: 1rem;
}

/* ============================================
   SERVICES OVERVIEW
   ============================================ */

.services-overview {
    background-color: var(--primary-black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.service-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 255, 136, 0.02) 100%);
    padding: var(--spacing-xl);
    border-radius: 4px;
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: all var(--transition-normal);
    position: relative;
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.15);
    border-color: rgba(0, 255, 136, 0.25);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 255, 136, 0.05) 100%);
}

.service-card.featured {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.15) 0%, rgba(0, 255, 136, 0.08) 100%);
    border-color: rgba(0, 255, 136, 0.3);
    color: var(--white);
}

.service-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--primary-green);
    color: var(--primary-black);
    padding: 6px 14px;
    border-radius: 2px;
    font-size: 0.7rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: 1.6rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    letter-spacing: -0.5px;
}

.service-card p {
    color: var(--lighter-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.service-link {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

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

.services-cta {
    text-align: center;
}

/* ============================================
   WHY CHOOSE
   ============================================ */

.why-choose {
    background: linear-gradient(180deg, var(--primary-black) 0%, rgba(0, 255, 136, 0.05) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.why-choose::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.why-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.08) 0%, rgba(0, 255, 136, 0.03) 100%);
    padding: var(--spacing-xl);
    border-radius: 4px;
    border: 1px solid rgba(0, 255, 136, 0.15);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.why-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
    border-color: rgba(0, 255, 136, 0.3);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.12) 0%, rgba(0, 255, 136, 0.06) 100%);
}

.why-number {
    font-size: 4rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--primary-green);
    line-height: 1;
    margin-bottom: var(--spacing-md);
    opacity: 0.4;
    letter-spacing: -2px;
}

.why-card h3 {
    font-size: 1.4rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    letter-spacing: -0.5px;
}

.why-card p {
    color: var(--lighter-gray);
    line-height: 1.8;
    font-size: 1rem;
}

/* ============================================
   FEATURED WORK
   ============================================ */

.featured-work {
    background-color: var(--primary-black);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.work-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 255, 136, 0.02) 100%);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: all var(--transition-normal);
}

.work-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
    border-color: rgba(0, 255, 136, 0.3);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 255, 136, 0.05) 100%);
}

.work-image-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, var(--medium-gray) 0%, var(--dark-gray) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--lighter-gray);
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    padding: var(--spacing-md);
}

.work-content {
    padding: var(--spacing-xl);
}

.work-category {
    display: inline-block;
    color: var(--primary-green);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.work-content h3 {
    font-size: 1.6rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    letter-spacing: -0.5px;
}

.work-content p {
    color: var(--lighter-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.work-link {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.work-link:hover {
    color: var(--white);
}

.work-cta {
    text-align: center;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: linear-gradient(180deg, var(--primary-black) 0%, rgba(0, 255, 136, 0.05) 50%, var(--primary-black) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-lg);
    color: var(--off-white);
    letter-spacing: -2px;
    line-height: 1.1;
}

.cta-subtitle {
    font-size: 1.3rem;
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.3px;
}

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

.cta-note {
    color: var(--lighter-gray);
    font-size: 0.95rem;
    margin-top: var(--spacing-md);
}

.cta-note a {
    color: var(--primary-green);
    text-decoration: none;
}

.cta-note a:hover {
    text-decoration: underline;
}

/* ============================================
   SERVICE DETAIL PAGE
   ============================================ */

.service-detail {
    padding: var(--spacing-3xl) 0;
}

.service-detail.alt {
    background-color: var(--beige);
    color: var(--primary-black);
}

.service-detail-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.service-detail-header .featured-badge {
    position: static;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.service-detail-header h2 {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-sm);
    color: var(--off-white);
    letter-spacing: -2px;
    line-height: 1.1;
}

.service-detail.alt .service-detail-header h2 {
    color: var(--primary-black);
}

.service-intro {
    font-size: 1.4rem;
    color: var(--lighter-gray);
    max-width: 800px;
    margin: 0 auto;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.3px;
}

.service-detail.alt .service-intro {
    color: var(--medium-gray);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.service-detail-text h3 {
    font-size: 1.6rem;
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--off-white);
    letter-spacing: -0.5px;
}

.service-detail.alt .service-detail-text h3 {
    color: var(--primary-black);
}

.service-detail-text h3:first-child {
    margin-top: 0;
}

.service-detail-text p {
    color: var(--lighter-gray);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

.service-detail.alt .service-detail-text p {
    color: var(--medium-gray);
}

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

.service-list li {
    color: var(--lighter-gray);
    line-height: 1.8;
    padding-left: var(--spacing-lg);
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: var(--font-weight-bold);
}

.cta-card {
    background-color: var(--beige);
    padding: var(--spacing-xl);
    border-radius: 4px;
    border: none;
    position: sticky;
    top: 100px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.service-detail.alt .cta-card {
    background-color: var(--primary-black);
}

.cta-card h4 {
    font-size: 1.4rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-black);
    letter-spacing: -0.5px;
}

.service-detail.alt .cta-card h4 {
    color: var(--white);
}

.cta-card p {
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.service-detail.alt .cta-card p {
    color: var(--lighter-gray);
}

/* ============================================
   CASE STUDY PAGE
   ============================================ */

.case-study {
    padding: var(--spacing-3xl) 0;
}

.case-study.alt {
    background-color: var(--beige);
    color: var(--primary-black);
}

.case-study-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.case-category {
    display: inline-block;
    color: var(--primary-green);
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.case-study-header h2 {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-sm);
    color: var(--off-white);
    letter-spacing: -2px;
    line-height: 1.1;
}

.case-study.alt .case-study-header h2 {
    color: var(--primary-black);
}

.case-subtitle {
    font-size: 1.2rem;
    color: var(--lighter-gray);
    max-width: 700px;
    margin: 0 auto;
}

.case-study-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.case-image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--medium-gray) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--lighter-gray);
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    border-radius: 8px;
    margin-bottom: var(--spacing-xl);
}

.case-image-placeholder.large {
    height: 500px;
}

.case-details h3 {
    font-size: 1.6rem;
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--off-white);
    letter-spacing: -0.5px;
}

.case-study.alt .case-details h3 {
    color: var(--primary-black);
}

.case-details h3:first-of-type {
    margin-top: 0;
}

.case-details p {
    color: var(--lighter-gray);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

.case-study.alt .case-details p {
    color: var(--medium-gray);
}

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

.case-list li {
    color: var(--lighter-gray);
    line-height: 1.8;
    padding-left: var(--spacing-lg);
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.case-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: var(--font-weight-bold);
}

.case-meta {
    background-color: var(--beige);
    padding: var(--spacing-xl);
    border-radius: 4px;
    border: none;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.case-study.alt .case-meta {
    background-color: var(--primary-black);
}

.case-meta h4 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--primary-black);
    letter-spacing: -0.5px;
}

.case-study.alt .case-meta h4 {
    color: var(--white);
}

.meta-item {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}

.meta-item:last-child {
    margin-bottom: 0;
}

.meta-label {
    font-size: 0.85rem;
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-xs);
}

.meta-value {
    font-size: 1rem;
    color: var(--primary-black);
    font-weight: var(--font-weight-medium);
}

.case-study.alt .meta-value {
    color: var(--white);
}

/* ============================================
   ABOUT PAGE
   ============================================ */

.about-story {
    padding: var(--spacing-2xl) 0;
}

.story-content {
    max-width: 900px;
    margin: 0 auto;
}

.story-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.story-lead {
    font-size: 1.2rem;
    color: var(--lighter-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.story-lead strong {
    color: var(--primary-green);
}

.story-content p {
    color: var(--lighter-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-vision {
    background-color: var(--dark-gray);
    padding: var(--spacing-2xl) 0;
}

.vision-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.vision-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.vision-statement {
    font-size: 1.3rem;
    color: var(--lighter-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.pillar-card {
    background-color: var(--primary-black);
    padding: var(--spacing-xl);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pillar-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.pillar-card h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.pillar-card p {
    color: var(--lighter-gray);
    line-height: 1.7;
}

.about-different {
    padding: var(--spacing-2xl) 0;
}

.different-content {
    max-width: 1000px;
    margin: 0 auto;
}

.different-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: var(--white);
}

.different-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.different-item {
    background-color: var(--dark-gray);
    padding: var(--spacing-xl);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.different-item h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.different-item p {
    color: var(--lighter-gray);
    line-height: 1.7;
}

.about-team {
    background-color: var(--dark-gray);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.team-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.team-intro {
    font-size: 1.2rem;
    color: var(--lighter-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.team-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.team-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.team-stat-number {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-green);
    line-height: 1;
}

.team-stat-label {
    font-size: 1rem;
    color: var(--lighter-gray);
    margin-top: var(--spacing-xs);
}

.about-approach {
    padding: var(--spacing-2xl) 0;
}

.approach-content {
    max-width: 1000px;
    margin: 0 auto;
}

.approach-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: var(--white);
}

.approach-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.approach-step {
    background-color: var(--dark-gray);
    padding: var(--spacing-xl);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-number {
    font-size: 3rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--primary-green);
    line-height: 1;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.approach-step h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.approach-step p {
    color: var(--lighter-gray);
    line-height: 1.7;
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-section {
    padding: var(--spacing-2xl) 0;
}

.contact-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.contact-intro h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.contact-intro p {
    color: var(--lighter-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-method-card {
    background-color: var(--dark-gray);
    padding: var(--spacing-xl);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all var(--transition-normal);
}

.contact-method-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-green);
}

.method-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    color: var(--primary-green);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-method-card h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.contact-method-card p {
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.contact-form-section {
    background-color: var(--dark-gray);
    padding: var(--spacing-2xl) 0;
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.form-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.form-header p {
    color: var(--lighter-gray);
    line-height: 1.7;
}

.contact-form {
    background-color: var(--primary-black);
    padding: var(--spacing-xl);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group label {
    display: block;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--white);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--dark-gray);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: var(--white);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-note {
    font-size: 0.85rem;
    color: var(--lighter-gray);
    text-align: center;
    margin-top: var(--spacing-md);
}

.form-success {
    background-color: var(--primary-black);
    padding: var(--spacing-xl);
    border-radius: 8px;
    border: 1px solid var(--primary-green);
    text-align: center;
}

.success-icon {
    width: 64px;
    height: 64px;
    background-color: var(--primary-green);
    color: var(--primary-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin: 0 auto var(--spacing-md);
}

.form-success h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.form-success p {
    color: var(--lighter-gray);
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--primary-black);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.footer-tagline {
    color: var(--lighter-gray);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.footer-location {
    color: var(--lighter-gray);
    font-size: 0.9rem;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

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

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    color: var(--lighter-gray);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--primary-green);
}

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

.footer-bottom p {
    color: var(--lighter-gray);
    font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--primary-black);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        transition: left var(--transition-normal);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .service-detail-grid,
    .case-study-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-card {
        position: static;
    }
    
    .hero-cta-group {
        flex-direction: column;
    }
    
    .hero-cta-group .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero {
        min-height: 80vh;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

/* Smooth scroll behavior */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}