/* ===== DESIGN SYSTEM ===== */
:root {
    /* Colors from logo */
    --color-primary-light: #fdc600;
    --color-primary-dark: #c8004c;
    --color-gray: #4e4e4e;
    
    /* Extended palette */
    --color-primary: var(--color-primary-dark);
    --color-secondary: var(--color-primary-light);
    --color-accent: #ff6b35;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: var(--color-gray);
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-black: #000000;
    
    /* Semantic colors */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    
    /* Font sizes */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */
    --text-6xl: 3.75rem;   /* 60px */
    
    /* Line heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* Spacing */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */
    
    /* Border radius */
    --radius-sm: 0.125rem;  /* 2px */
    --radius: 0.25rem;      /* 4px */
    --radius-md: 0.375rem;  /* 6px */
    --radius-lg: 0.5rem;    /* 8px */
    --radius-xl: 0.75rem;   /* 12px */
    --radius-2xl: 1rem;     /* 16px */
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Layout */
    --container-max-width: 1440px;
    --container-padding: var(--space-4);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

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

html {
    font-size: 16px;
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-secondary);
    font-size: var(--text-base);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    line-height: var(--leading-normal);
    overflow-x: hidden;
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus management */
:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: var(--leading-tight);
    color: var(--color-gray-900);
    margin: 0 0 var(--space-4) 0;
}

h1 {
    font-size: var(--text-4xl);
    font-weight: 900;
    font-style: italic;
    /* Apply logo skew */
    transform: skewX(-3deg);
    margin-bottom: var(--space-4);
}

h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
}

h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

p {
    margin: 0 0 var(--space-3) 0;
    line-height: var(--leading-normal);
}

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

a:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

ul, ol {
    margin: 0 0 var(--space-4) var(--space-6);
    line-height: var(--leading-relaxed);
}

li {
    margin-bottom: var(--space-1);
}

strong {
    font-weight: 600;
    color: var(--color-gray-900);
}

small {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ===== LAYOUT ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-16) 0;
    background: var(--color-gray-50);
}

/* ===== HEADER ===== */
.header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    gap: var(--space-8);
}

.logo img {
    height: 40px;
    width: auto;
    transition: transform var(--transition-fast);
}

.logo:hover img {
    transform: scale(1.05);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    gap: 6px;
    z-index: 100;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-800);
    transition: all var(--transition-fast);
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    gap: var(--space-8);
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: var(--text-lg);
    color: var(--color-gray-700);
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.nav-link.active {
    color: var(--color-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary-light));
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--text-base);
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    gap: var(--space-2);
    min-height: 44px;
    padding: var(--space-3) var(--space-6);
}

.btn:focus {
    outline-offset: 4px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    color: var(--color-white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    color: var(--color-white);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
}

.btn-large {
    font-size: var(--text-lg);
    padding: var(--space-4) var(--space-8);
    min-height: 56px;
}

.btn:disabled,
.btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.loading .btn-text {
    opacity: 0;
}

.btn.loading .btn-loading {
    opacity: 1;
}

.btn-loading {
    opacity: 0;
    position: absolute;
}

/* ===== HERO SECTION ===== */
.hero {
    background: var(--color-gray-50);
    padding: var(--space-20) 0;
    overflow: hidden;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        background: var(--color-white);
        padding: 100px var(--space-8) var(--space-8);
        gap: var(--space-6);
        transition: right var(--transition-normal);
    }

    .nav-menu[data-visible="true"] {
        right: 0;
    }

    .nav-link {
        font-size: var(--text-2xl);
        padding: var(--space-2);
    }

    .hero {
        padding: var(--space-12) 0;
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .hero-content {
        order: 1;
        text-align: left;
    }
    
    .hero-visual {
        order: 2;
    }

    .hero-actions {
        justify-content: flex-start;
    }
}

.hero-title {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-6);
    transform: skewX(-3deg);
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--text-3xl);
        margin-bottom: var(--space-4);
    }
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-visual img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

/* ===== CARDS ===== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* ===== BADGES & TAGS ===== */
.badge {
    display: inline-flex;
    align-items: center;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-tech {
    background: linear-gradient(135deg, var(--color-info), #60a5fa);
    color: var(--color-white);
}

.badge-material {
    background: linear-gradient(135deg, var(--color-success), #34d399);
    color: var(--color-white);
}

.badge-capacity {
    background: linear-gradient(135deg, var(--color-warning), #fbbf24);
    color: var(--color-white);
}

.badge-service {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    color: var(--color-white);
}

.tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 500;
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius);
    margin: var(--space-1) var(--space-1) 0 0;
}

.tag-sector {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    color: var(--color-white);
}

.tag-tech {
    background: var(--color-info);
    color: var(--color-white);
}

.tag-material {
    background: var(--color-success);
    color: var(--color-white);
}

/* ===== SECTIONS ===== */
.page-header {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-700) 100%);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-12) 0;
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.page-header p {
    font-size: var(--text-lg);
    color: var(--color-gray-200);
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-6);
}

/* Benefits Section */
.benefits {
    padding: var(--space-20) 0;
    background: var(--color-gray-50);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.benefit-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.benefit-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

/* Process Section */
.process {
    padding: var(--space-20) 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-12);
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    color: var(--color-white);
    font-size: var(--text-2xl);
    font-weight: 900;
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-6) auto;
    box-shadow: var(--shadow-lg);
}

.process-step h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

/* Industries Section */
.industries {
    padding: var(--space-20) 0;
    background: var(--color-gray-50);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

.industry-card {
    background: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--color-primary);
}

.industry-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.industry-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

/* Clients Section */
.clients {
    padding: var(--space-16) 0;
}

.clients-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
    align-items: center;
    justify-items: center;
}

.clients-logos img {
    max-width: 120px;
    height: 60px;
    object-fit: contain;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
    filter: grayscale(100%);
}

.clients-logos img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* CTA Section */
.cta {
    background: var(--color-gray-50);
    color: var(--color-white);
    padding: 0 0 var(--space-10) 0;
    text-align: center;
}

.cta h2 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.cta p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
    opacity: 0.9;
}

/* Activities Section */
.section-subtitle {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--space-12);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.activity-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
    border-top: 4px solid var(--color-primary);
}

.activity-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    margin-bottom: var(--space-6);
    width: 100%;
    text-align: center;
}

.header-content {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.card-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.card-header h3 {
    color: var(--color-primary);
    margin: 0;
    display: inline-block;
    vertical-align: middle;
}

.card-header p {
    color: var(--color-gray-600);
    font-size: var(--text-lg);
}

.feature-list {
    display: grid;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.feature h4 {
    color: var(--color-gray-900);
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.feature p {
    color: var(--color-gray-600);
    margin: 0;
}

.applications {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    color: var(--color-white);
}

.activities {
    padding: var(--space-16) 0 var(--space-20) 0;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

@media (max-width: 768px) {
    .activities-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

.activity-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
    border-top: 4px solid transparent;
}

.activity-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.activity-card[data-category="technologies"] {
    border-top-color: var(--color-info);
}

.activity-card[data-category="materiaux"] {
    border-top-color: var(--color-success);
}

.activity-card[data-category="capacites"] {
    border-top-color: var(--color-warning);
}

.activity-card[data-category="services"] {
    border-top-color: var(--color-primary);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-4);
}

.card-icon {
    font-size: var(--text-2xl);
}

.card-badges {
    display: flex;
    gap: var(--space-2);
}

/*.activity-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}*/

.card-details {
    list-style: none;
    margin: var(--space-4) 0;
    padding: 0;
}

.card-details li {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-2);
    padding-left: var(--space-4);
    position: relative;
}

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

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-top: var(--space-4);
}

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

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
}

.material-card {
    background: var(--color-gray-50);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
}

.material-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.material-features {
    display: grid;
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.material-feature h4 {
    color: var(--color-gray-900);
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.material-feature p {
    color: var(--color-gray-600);
    margin: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.service-content {
    margin-top: var(--space-4);
}

.service-content p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
}

.service-content .feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.service-content .feature-list li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-0);
}

.service-content .feature-list li::before {
    content: "⇒";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Contact Section */
.contact-grid {
    padding: var(--space-16) 0;
    background: var(--color-gray-50);
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .contact-cards {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

.contact-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-50);
    border-radius: var(--radius-full);
    color: var(--color-primary);
}

.contact-card h3 {
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.contact-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
}

.contact-link {
    display: inline-block;
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-primary);
}

/* FAQ Section */
.faq {
    padding: var(--space-20) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

.faq-item {
    background: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.faq-item h3 {
    color: var(--color-primary);
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.faq-item p {
    color: var(--color-gray-600);
    margin: 0;
}

/* Projects Section */
.projects {
    padding: var(--space-16) 0 var(--space-16) 0;
    background: var(--color-gray-50);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

.project-card.cta-card {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-8);
    min-height: 100%;
    text-decoration: none;
    transition: all var(--transition-normal);
    transform: translateY(0);
    box-shadow: var(--shadow);
}

.project-card.cta-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.project-card.cta-card h3 {
    color: var(--color-white);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.project-card.cta-card p {
    color: var(--color-white);
    opacity: 0.9;
    margin-bottom: var(--space-6);
}

.project-card.cta-card .btn {
    background: var(--color-white);
    color: var(--color-primary);
    border: none;
    transition: all var(--transition-normal);
}

.project-card.cta-card:hover .btn {
    background: var(--color-primary);
    color: var(--color-white);
}

.project-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transform: none;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.project-card:not(.cta-card) {
    transform: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow);
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.project-content {
    padding: var(--space-4);
}

.project-content h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.project-content p {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    margin: 0;
}



.project-image {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
    cursor: default;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.project-image:hover img {
    transform: scale(1.05);
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}



.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-dark)/80, var(--color-primary-light)/80);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-8) 0 var(--space-8) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr var(--space-20) auto var(--space-20) auto var(--space-20) auto var(--space-20);
    margin-right: auto;
    justify-content: start;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .footer-gap {
        display: none;
    }
    
    .footer-column:nth-child(3) {
        display: none;
    }
    
    .footer-column {
        margin-top: var(--space-4);
    }
    
    .footer-column:first-child {
        margin-top: 0;
    }
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin: 0;
}

.footer-gap {
    width: var(--space-6);
}

.footer-logo {
    display: block;
}

.footer-logo img {
    width: 120px;
    height: auto;
    transition: opacity var(--transition-fast);
}

.footer-logo:hover img {
    opacity: 0.8;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo-group {
    display: flex;
    gap: var(--space-6);
    align-items: center;
}

.footer-brand p {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    margin: 0;
}

.footer-heading {
    color: var(--color-white);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: 0;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
    font-size: var(--text-base);
    display: inline-block;
    white-space: nowrap;
}

.footer-links p {
    color: var(--color-gray-400);
    margin: 0;
    font-size: var(--text-base);
}

.footer-links a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding-left: var(--space-4);
    border-left: 1px solid var(--color-gray-700);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-gray-800);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

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

.footer-social svg {
    width: 20px;
    height: 20px;
}

/* ===== 404 ERROR PAGE ===== */
.error-section {
    text-align: center;
    padding: 4rem 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-content {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
}

.error-title {
    font-size: 6rem;
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: 1rem;
    line-height: 1;
}

.error-message {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--color-text);
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .error-title {
        font-size: 4rem;
    }
    
    .error-message {
        font-size: 1.25rem;
    }

    .error-actions {
        flex-direction: column;
    }
}