/* ==========================================
   CSS Reset & Base Styles
   ========================================== */

/* OPMERKING: Voor het lettertype "Futura LT Black Italic" moet het lettertype
   geïnstalleerd zijn op uw systeem of toegevoegd worden als webfont.
   Als u een webfont bestand heeft (.woff, .woff2, .ttf):
   1. Plaats het bestand in deze directory
   2. Voeg een @font-face regel toe bovenaan deze CSS
   Voorbeeld:
   @font-face {
       font-family: 'Futura LT Black Italic';
       src: url('futura-lt-black-italic.woff2') format('woff2');
       font-weight: 900;
       font-style: italic;
   }
*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #f58a43;
    --secondary-color: #276072;
    --accent-color: #f58a43;
    --dark-bg: #0f1320;
    --card-bg: #276072;
    --text-primary: #ffffff;
    --text-secondary: #a0a8c0;
    --border-color: #2a3150;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-family: 'Futura LT Black Italic', 'Futura', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.3);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 19, 32, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(15, 19, 32, 0.98);
    border-bottom-color: var(--border-color);
    box-shadow: var(--shadow-lg);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
}

.logo-image {
    height: 50px;
    width: auto;
    transition: var(--transition-fast);
    background: transparent;
    border-radius: 8px;
}

.logo:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

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

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
}

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

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

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

.btn-linkedin-nav {
    background: #0077B5;
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-linkedin-nav:hover {
    background: #005885;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(245, 138, 67, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(39, 96, 114, 0.1) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-title-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.hero-logo {
    width: 300px;
    height: auto;
    object-fit: contain;
    animation: float 3s ease-in-out infinite;
    border-radius: 25px;
    box-shadow: var(--shadow-xl);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(245, 138, 67, 0.1);
    border: 2px solid var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.hero-badge i {
    font-size: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--dark-bg);
}

.btn-primary:hover {
    background: #d97a35;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(245, 138, 67, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-secondary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    margin: 0 auto 10px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

.scroll-indicator p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

@keyframes scroll {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(8px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* Fade-in Animations */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.fade-in-delay-1 {
    animation: fadeIn 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.fade-in-delay-2 {
    animation: fadeIn 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.fade-in-delay-3 {
    animation: fadeIn 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

.fade-in-delay-4 {
    animation: fadeIn 0.8s ease-out 0.8s forwards;
    opacity: 0;
}

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

/* ==========================================
   Section Styles
   ========================================== */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   Over Mij Section
   ========================================== */
.over-mij {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 50%, var(--dark-bg) 100%);
    position: relative;
}

.over-mij::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(245, 138, 67, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(39, 96, 114, 0.12) 0%, transparent 50%);
    pointer-events: none;
}

.over-mij .container {
    position: relative;
    z-index: 1;
}

.over-mij-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.profile-card {
    background: linear-gradient(135deg, var(--dark-bg) 0%, rgba(39, 96, 114, 0.4) 100%);
    padding: var(--spacing-lg);
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 2px solid var(--border-color);
    position: relative;
    height: fit-content;
    position: sticky;
    top: 100px;
    overflow: hidden;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
}

.profile-image-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.2), rgba(39, 96, 114, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(245, 138, 67, 0.3);
    overflow: hidden;
    border: 3px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.profile-image::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    z-index: -1;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.profile-status {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 3px solid var(--card-bg);
}

.profile-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.profile-title {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.profile-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.2), rgba(39, 96, 114, 0.2));
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.profile-badge::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.6;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid;
    border-image: linear-gradient(90deg, transparent, var(--primary-color), transparent) 1;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.05), rgba(39, 96, 114, 0.05));
    transition: var(--transition-normal);
}

.stat:hover {
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.15), rgba(39, 96, 114, 0.15));
    transform: translateY(-3px);
}

.stat i {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition-fast);
}

.stat:hover i {
    transform: scale(1.2);
}

.stat span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.profile-bio {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.bio-section {
    display: flex;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, var(--dark-bg) 0%, rgba(39, 96, 114, 0.3) 100%);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.bio-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transform: scaleY(0);
    transition: var(--transition-normal);
}

.bio-section:hover::before {
    transform: scaleY(1);
}

.bio-section:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(245, 138, 67, 0.25);
    border-color: var(--primary-color);
}

.bio-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.2), rgba(39, 96, 114, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-color);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.bio-section:hover .bio-icon {
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.4), rgba(39, 96, 114, 0.4));
    transform: scale(1.1) rotate(5deg);
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(245, 138, 67, 0.3);
}

.bio-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 0.5rem;
}

.bio-content h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

.bio-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.bio-quote {
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.15), rgba(39, 96, 114, 0.15));
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 2px solid transparent;
    border-left: 4px solid var(--primary-color);
    position: relative;
    box-shadow: 0 5px 20px rgba(245, 138, 67, 0.15);
    overflow: hidden;
}

.bio-quote::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(245, 138, 67, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.bio-quote .fa-quote-left {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.4;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 2px 4px rgba(245, 138, 67, 0.3));
}

.bio-quote p {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* ==========================================
   Diensten Section
   ========================================== */
.diensten {
    background: var(--dark-bg);
}

.featured-services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.service-card {
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-card.featured {
    padding: var(--spacing-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: rgba(245, 138, 67, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(245, 138, 67, 0.2);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.service-features i {
    color: var(--accent-color);
    font-size: 1rem;
}

.additional-services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.service-icon-small {
    width: 50px;
    height: 50px;
    background: rgba(245, 138, 67, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

/* ==========================================
   Expertise Section
   ========================================== */
.expertise {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 50%, var(--dark-bg) 100%);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.expertise-card {
    background: var(--dark-bg);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.expertise-card:hover::before {
    transform: scaleX(1);
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(245, 138, 67, 0.3);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--dark-bg) 0%, rgba(39, 96, 114, 0.3) 100%);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.2), rgba(39, 96, 114, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0 auto var(--spacing-md);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.expertise-card:hover .expertise-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.4), rgba(39, 96, 114, 0.4));
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(245, 138, 67, 0.3);
}

.expertise-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.expertise-progress {
    width: 100%;
    height: 8px;
    background: rgba(39, 96, 114, 0.3);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    background-size: 200% 100%;
    border-radius: 10px;
    transition: width 1s ease;
    width: 0;
    box-shadow: 0 0 10px rgba(245, 138, 67, 0.5);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.expertise-card.in-view .progress-bar {
    width: var(--progress-width, 90%);
}

.expertise-card ul {
    list-style: none;
    text-align: left;
}

.expertise-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

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

.expertise-areas {
    background: linear-gradient(135deg, var(--dark-bg) 0%, rgba(39, 96, 114, 0.4) 100%);
    padding: var(--spacing-lg);
    border-radius: 15px;
    border: 2px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.expertise-areas::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
}

.expertise-areas h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    text-align: center;
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.15), rgba(39, 96, 114, 0.15));
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px solid transparent;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.tag::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 25px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
}

.tag:hover {
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.3), rgba(39, 96, 114, 0.3));
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(245, 138, 67, 0.3);
    color: var(--primary-color);
}

.tag:hover::before {
    opacity: 1;
}

/* ==========================================
   Referenties Section
   ========================================== */
.referenties {
    background: var(--dark-bg);
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.testimonial-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.company-logo {
    background: rgba(245, 138, 67, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.rating {
    display: flex;
    gap: 0.25rem;
}

.rating i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.testimonial-content {
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.quote-icon {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.2;
    margin-bottom: var(--spacing-sm);
}

.testimonial-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

.testimonial-footer {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-sm);
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(245, 138, 67, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
}

.author-info h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-bg) 50%, var(--secondary-color) 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(245, 138, 67, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(39, 96, 114, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-card {
    background: linear-gradient(135deg, var(--dark-bg) 0%, rgba(39, 96, 114, 0.3) 100%);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 2px solid var(--border-color);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(245, 138, 67, 0.3);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.2), rgba(39, 96, 114, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0 auto var(--spacing-sm);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.contact-card:hover .contact-icon {
    background: linear-gradient(135deg, rgba(245, 138, 67, 0.4), rgba(39, 96, 114, 0.4));
    transform: scale(1.1) rotate(5deg);
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(245, 138, 67, 0.4);
}

.contact-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-card p,
.contact-card a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-card a:hover {
    color: var(--primary-color);
}

.contact-form-wrapper {
    background: linear-gradient(135deg, var(--dark-bg) 0%, rgba(39, 96, 114, 0.3) 100%);
    padding: var(--spacing-lg);
    border-radius: 15px;
    border: 2px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.contact-form-wrapper::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, rgba(15, 19, 32, 0.8) 0%, rgba(39, 96, 114, 0.2) 100%);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: rgba(245, 138, 67, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(245, 138, 67, 0.2), 0 0 20px rgba(245, 138, 67, 0.1);
    background: linear-gradient(135deg, rgba(15, 19, 32, 0.9) 0%, rgba(39, 96, 114, 0.3) 100%);
}

.contact-form button[type="submit"] {
    grid-column: 1 / -1;
    justify-self: start;
    position: relative;
    overflow: hidden;
}

.contact-form button[type="submit"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.contact-form button[type="submit"]:hover::before {
    left: 100%;
}

.form-status {
    grid-column: 1 / -1;
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
    display: none;
    font-weight: 600;
    border: 2px solid;
}

.form-status.success {
    display: block;
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.15), rgba(39, 96, 114, 0.1));
    color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.2);
}

.form-status.error {
    display: block;
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.15), rgba(39, 96, 114, 0.1));
    color: #e74c3c;
    border-color: #e74c3c;
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.2);
}

.form-privacy-notice {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: var(--spacing-sm);
}

.form-privacy-notice small {
    color: var(--text-secondary);
    line-height: 1.6;
}

#submitBtn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

#submitBtn.loading::after {
    content: '';
    margin-left: 10px;
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--dark-bg);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--dark-bg);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(245, 138, 67, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

/* ==========================================
   Scroll to Top Button
   ========================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--dark-bg);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .over-mij-content {
        grid-template-columns: 1fr;
    }

    .profile-card {
        position: relative;
        top: 0;
    }

    .featured-services,
    .additional-services {
        grid-template-columns: repeat(2, 1fr);
    }

    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title-wrapper {
        gap: 1rem;
    }

    .hero-logo {
        width: 200px;
        height: auto;
        border-radius: 20px;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .logo-image {
        height: 40px;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(15, 19, 32, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: var(--transition-normal);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-sm) 0;
        font-size: 1.2rem;
    }

    .btn-linkedin-nav {
        width: 100%;
        justify-content: center;
    }

    .featured-services,
    .additional-services,
    .expertise-grid {
        grid-template-columns: 1fr;
    }

    /* Expertise sectie mobiel optimalisaties */
    .expertise-grid {
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .expertise-card {
        padding: var(--spacing-md);
    }

    .expertise-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }

    .expertise-card h3 {
        font-size: 1.1rem;
    }

    .expertise-card li {
        font-size: 0.85rem;
        padding: 0.4rem 0;
    }

    .expertise-areas {
        padding: var(--spacing-md);
    }

    .expertise-areas h3 {
        font-size: 1.4rem;
        text-align: center;
    }

    .expertise-tags {
        gap: 0.75rem;
        justify-content: center;
    }

    .tag {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
        text-align: center;
        flex-grow: 0;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 35px;
    }

    .hero-title-wrapper {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-logo {
        width: 150px;
        height: auto;
        border-radius: 15px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .profile-stats {
        grid-template-columns: 1fr;
    }

    /* Extra kleine schermen - Expertise optimalisaties */
    .expertise-card {
        padding: 1.25rem;
    }

    .expertise-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .expertise-card h3 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    .expertise-progress {
        height: 6px;
    }

    .expertise-card li {
        font-size: 0.8rem;
        padding: 0.35rem 0;
    }

    .expertise-areas {
        padding: 1.25rem;
    }

    .expertise-areas h3 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .tag {
        padding: 0.5rem 0.85rem;
        font-size: 0.8rem;
        border-radius: 20px;
    }

    .section-subtitle {
        font-size: 1rem;
        padding: 0 1rem;
    }
}