/* ===================================
   CSS Variables & Root Styles
   =================================== */
:root {
    /* Color Palette - LoneStar Blue */
    --color-primary: #2d5f8d;
    --color-primary-dark: #1a3a5c;
    --color-primary-light: #4a7aad;
    --color-accent: #5b8cb8;
    --color-accent-light: #7ba5c9;
    --color-text: #2c2c2c;
    --color-text-light: #6b6b6b;
    --color-bg: #f7f9fc;
    --color-white: #ffffff;
    --color-border: #e0e6ed;
    --color-shadow: rgba(45, 95, 141, 0.12);
    
    /* Typography */
    --font-heading: 'Libre Baskerville', serif;
    --font-body: 'Work Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --container-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary-dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.35rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

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

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

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

ul {
    list-style: none;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 2.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--color-primary), var(--color-accent));
    margin: var(--spacing-sm) auto 0;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    background: var(--color-white);
    box-shadow: 0 2px 12px var(--color-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
}

.nav-brand .logo {
    height: 45px;
    width: auto;
    transition: var(--transition);
}

.nav-brand .logo:hover {
    opacity: 0.85;
}

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

.nav-menu li a {
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(26, 58, 92, 0.92) 0%, rgba(45, 95, 141, 0.88) 100%), url('Oil_Refinery.jpg') center/cover no-repeat;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

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

.hero-title {
    color: var(--color-white);
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-family: var(--font-body);
}

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

.btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(200, 162, 93, 0.3);
}

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

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

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

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

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-large svg {
    width: 20px;
    height: 20px;
}

/* ===================================
   Core Values
   =================================== */
.core-values {
    background: var(--color-white);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.value-card {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    background: var(--color-bg);
    transition: var(--transition);
    animation: fadeIn 0.6s ease backwards;
}

.value-card:nth-child(1) { animation-delay: 0.1s; }
.value-card:nth-child(2) { animation-delay: 0.2s; }
.value-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px var(--color-shadow);
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    color: var(--color-white);
}

.value-icon svg {
    width: 40px;
    height: 40px;
}

.value-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.value-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ===================================
   Proposition Section
   =================================== */
.proposition {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
}

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

.proposition .section-title::after {
    background: linear-gradient(to right, var(--color-accent), var(--color-white));
}

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

.proposition-item {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.proposition-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.proposition-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
}

.proposition-item h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    font-size: 1.35rem;
}

.proposition-item p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
    line-height: 1.6;
}

/* ===================================
   Services Overview
   =================================== */
.services-overview {
    background: var(--color-white);
}

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

.service-item {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.service-item:hover {
    background: var(--color-white);
    border-left-color: var(--color-primary);
    box-shadow: 0 4px 16px var(--color-shadow);
    transform: translateX(8px);
}

.service-item h4 {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-bottom: 0;
}

.cta-center {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    text-align: center;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.15rem;
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.85);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-col h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.15rem;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
}

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

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.85);
}

.footer-col ul li a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.65);
}

/* ===================================
   Page Header
   =================================== */
.page-header {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    color: var(--color-white);
    position: relative;
}

.page-header-with-image {
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* ===================================
   Vision Section
   =================================== */
.vision-section {
    background: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.vision-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.vision-label {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.vision-content h2 {
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
}

.vision-content p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ===================================
   Values Detailed
   =================================== */
.values-detailed {
    background: var(--color-bg);
}

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

.value-detailed-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px var(--color-shadow);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.value-icon-large {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--border-radius);
    color: var(--color-white);
}

.value-icon-large svg {
    width: 50px;
    height: 50px;
}

.value-detailed-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.value-detailed-card p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===================================
   Proposition Detailed
   =================================== */
.proposition-detailed {
    background: var(--color-white);
}

.proposition-detailed-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.proposition-detailed-item:last-child {
    border-bottom: none;
}

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

.proposition-badge {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    border-radius: 50%;
}

.proposition-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.proposition-content p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 0;
}

/* ===================================
   Services Content
   =================================== */
.services-content {
    background: var(--color-white);
}

.service-detail {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-border);
}

.service-detail:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.service-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    border-radius: var(--border-radius);
}

.service-detail-content h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.service-detail-content > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.service-detail-content h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--color-primary);
}

.service-features {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.service-features li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-light);
}

.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.software-category {
    padding: var(--spacing-sm);
    background: var(--color-bg);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-accent);
}

.software-category h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.software-category p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ===================================
   HVEC Sections
   =================================== */
.hvec-intro {
    background: var(--color-white);
}

.hvec-intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hvec-intro-content h2 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.hvec-intro-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

.hvec-methods {
    background: var(--color-bg);
}

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

.method-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.method-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-8px);
    box-shadow: 0 12px 30px var(--color-shadow);
}

.method-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    color: var(--color-white);
}

.method-icon svg {
    width: 35px;
    height: 35px;
}

.method-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    font-size: 1.15rem;
}

.method-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.hvec-benefits {
    background: var(--color-white);
}

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

.benefit-item {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--border-radius);
    border-top: 4px solid var(--color-accent);
}

.benefit-item h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    font-size: 1.25rem;
}

.benefit-item p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ===================================
   Markets Sections
   =================================== */
.markets-gallery {
    background: var(--color-white);
    padding: var(--spacing-lg) 0;
}

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

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--color-shadow);
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(45, 95, 141, 0.25);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(to top, rgba(26, 58, 92, 0.95), transparent);
    color: var(--color-white);
    font-weight: 600;
    font-size: 1.1rem;
}

.markets-content {
    background: var(--color-white);
}

.market-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-border);
}

.market-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.market-header {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.market-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--border-radius);
    color: var(--color-white);
}

.market-icon svg {
    width: 40px;
    height: 40px;
}

.market-header h2 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.market-intro {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 0;
}

.market-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.market-category {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
}

.market-category h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 1.25rem;
}

.market-category ul {
    list-style: none;
}

.market-category ul li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-light);
}

.market-category ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.2rem;
}

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

.market-list-item {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
    transition: var(--transition);
}

.market-list-item:hover {
    background: var(--color-white);
    border-left-color: var(--color-primary);
    box-shadow: 0 4px 16px var(--color-shadow);
    transform: translateX(8px);
}

.market-list-item h4 {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-bottom: 0;
}

/* ===================================
   Careers Sections
   =================================== */
.why-join {
    background: var(--color-white);
}

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

.why-join-card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.why-join-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px var(--color-shadow);
}

.why-join-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    color: var(--color-white);
}

.why-join-icon svg {
    width: 35px;
    height: 35px;
}

.why-join-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.why-join-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.open-positions {
    background: var(--color-bg);
}

.positions-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.positions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.position-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
    transition: var(--transition);
}

.position-card:hover {
    border-left-color: var(--color-primary);
    box-shadow: 0 8px 24px var(--color-shadow);
    transform: translateY(-4px);
}

.position-card-highlight {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-left-color: var(--color-accent);
    color: var(--color-white);
}

.position-card-highlight h3,
.position-card-highlight .position-count {
    color: var(--color-white);
}

.position-card-highlight .position-roles li {
    color: rgba(255, 255, 255, 0.9);
}

.position-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.position-header h3 {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: 0;
}

.position-count {
    background: var(--color-accent);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.position-roles {
    list-style: none;
}

.position-roles li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-light);
}

.position-roles li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.position-note {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    font-style: italic;
    margin-bottom: 0;
}

.application-process {
    background: var(--color-white);
}

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

.process-step {
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    border-radius: 50%;
}

.process-step h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    font-size: 1.15rem;
}

.process-step p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.careers-cta {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    text-align: center;
}

.careers-cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.careers-cta-content > p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.15rem;
    margin-bottom: var(--spacing-md);
}

.cta-buttons {
    margin-bottom: var(--spacing-md);
}

.cta-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    font-style: italic;
    margin-bottom: 0;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    /* Typography adjustments */
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.85rem; }
    h3 { font-size: 1.5rem; }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 8px 20px var(--color-shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu li a {
        display: block;
        padding: var(--spacing-sm);
    }
    
    /* Hero */
    .hero {
        min-height: 500px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    /* Spacing */
    section {
        padding: var(--spacing-lg) 0;
    }
    
    /* Grid adjustments */
    .values-grid,
    .proposition-grid,
    .methods-grid,
    .benefits-grid,
    .why-join-grid,
    .positions-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .services-list,
    .market-categories,
    .market-list,
    .software-grid {
        grid-template-columns: 1fr;
    }
    
    /* Flex to column */
    .value-detailed-card,
    .proposition-content,
    .service-detail,
    .market-header {
        flex-direction: column;
    }
    
    .proposition-badge,
    .service-number,
    .market-icon {
        margin: 0 auto var(--spacing-sm);
    }
    
    /* Hero CTA */
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}