:root {
    --primary-color: #1B3C34;
    --accent-color: #A8B5A2;
    --accent-light: #C8D5C2;
    --button-hover: #2D5246;
    --text-color: #333333;
    --text-light: #666666;
    --banner-bg: #FAFBFA;
    --ifs-bg: #F5F7F5;
    --over-mij-bg: #FFFFFF;
    --pakketten-bg: #FAFBFA;
    --footer-bg: #1B3C34;
    --header-height: 80px;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset en basis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    font-size: 16px;
    background-color: var(--banner-bg);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typografie */
h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1.25rem;
    color: var(--text-color);
}

section {
    padding: 100px 0;
    scroll-margin-top: var(--header-height);
}

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

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

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

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

.logo svg {
    height: 70px;
    width: auto;
    transition: var(--transition);
}

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

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Language Toggle */
.language-toggle {
    display: flex;
    background-color: var(--ifs-bg);
    border-radius: 8px;
    padding: 4px;
    gap: 4px;
}

.lang-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-color);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.lang-btn:hover {
    background-color: rgba(27, 60, 52, 0.1);
}

.lang-btn.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(27, 60, 52, 0.2);
}

/* Desktop menu */
.desktop-menu ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.desktop-menu ul li a {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
}

.desktop-menu ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.desktop-menu ul li a:hover {
    color: var(--primary-color);
}

.desktop-menu ul li a:hover::after {
    width: 100%;
}

/* Hero Section */
#banner {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 100px;
    background: linear-gradient(135deg, var(--banner-bg) 0%, #E8F0E8 100%);
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    background-image: radial-gradient(circle at 20% 50%, var(--primary-color) 1px, transparent 1px),
                      radial-gradient(circle at 80% 80%, var(--primary-color) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-trust {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 2rem;
    border-top: 1px solid rgba(27, 60, 52, 0.1);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.trust-item svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

/* Buttons */
.button {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.button-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 20px rgba(27, 60, 52, 0.25);
}

.button-primary:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(27, 60, 52, 0.35);
}

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

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

.button-outline {
    background-color: white;
    color: var(--primary-color);
    border: 2px solid var(--accent-color);
}

.button-outline:hover {
    background-color: var(--accent-light);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* IFS Uitleg */
#ifs-uitleg {
    background-color: var(--ifs-bg);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

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

.intro-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    text-align: center;
}

.ifs-example,
.ifs-approach,
.ifs-practice {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.ifs-example:hover,
.ifs-approach:hover,
.ifs-practice:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.ifs-example h3,
.ifs-approach h3,
.ifs-practice h3 {
    color: var(--primary-color);
    margin-bottom: 1.25rem;
}

.highlight {
    background-color: var(--accent-light);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    margin-top: 1.5rem;
    font-weight: 500;
    color: var(--primary-color);
}

.cta-section {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--button-hover) 100%);
    border-radius: var(--border-radius);
    margin-top: 3rem;
    color: white;
}

.cta-text {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

.cta-section .button-primary {
    background-color: white;
    color: var(--primary-color);
}

.cta-section .button-primary:hover {
    background-color: var(--accent-light);
}

/* Over Mij */
#over-mij {
    background-color: var(--over-mij-bg);
}

.over-mij-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1100px;
    margin: 3rem auto 0;
}

.over-mij-text p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.final-cta {
    font-weight: 600;
    color: var(--primary-color);
    padding-top: 1rem;
    border-top: 2px solid var(--accent-light);
}

.over-mij-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.over-mij-image img {
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.over-mij-image img:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

/* Pakketten */
#pakketten {
    background-color: var(--pakketten-bg);
}

.pakket-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.pakket {
    background: white;
    border: 2px solid #f0f0f0;
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
}

.pakket:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.pakket-featured {
    border-color: var(--primary-color);
    border-width: 3px;
    box-shadow: 0 10px 40px rgba(27, 60, 52, 0.15);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--button-hover));
    color: white;
    padding: 0.375rem 1.25rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
}

.pakket-header {
    flex-grow: 1;
    text-align: center;
    margin-bottom: 1.5rem;
}

.pakket-header h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.pakket-description {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    min-height: 60px;
}

.pakket-pricing {
    text-align: center;
    margin-bottom: 1.5rem;
}

.price {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: 'Montserrat', sans-serif;
}

.original-price {
    color: #999;
    text-decoration: line-through;
    margin-right: 0.75rem;
    font-size: 1.5rem;
}

.price-detail {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0;
}

.pakket .button {
    width: 100%;
}

/* Footer */
footer {
    background: var(--footer-bg);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1.25rem;
    font-size: 1.25rem;
}

.footer-tagline {
    color: var(--accent-light);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

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

.signal-chat a {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
}

.signal-chat a:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateX(4px);
}

.footer-certification {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.footer-certification img {
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: var(--transition);
}

.footer-certification img:hover {
    opacity: 1;
    transform: scale(1.05);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin: 0;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 5px;
    gap: 5px;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.mobile-menu.active {
    transform: scaleY(1);
}

.mobile-menu ul {
    list-style: none;
    padding: 20px;
}

.mobile-menu ul li {
    margin-bottom: 0;
}

.mobile-menu ul li a {
    font-family: 'Montserrat', sans-serif;
    display: block;
    padding: 1rem;
    border-bottom: 1px solid #f0f0f0;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.mobile-menu ul li a:hover {
    background-color: var(--ifs-bg);
    color: var(--primary-color);
    padding-left: 1.5rem;
}

/* Responsive */
@media (max-width: 920px) {
    .desktop-menu {
        display: none;
    }

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

    section {
        padding: 60px 0;
    }

    .over-mij-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .over-mij-image {
        order: -1;
    }

    .pakket-container {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .footer-section h3,
    .footer-section h4 {
        text-align: center;
    }

    .footer-certification {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    :root {
        --header-height: 70px;
    }

    .container {
        padding: 0 15px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-trust {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .button {
        width: 100%;
        padding: 12px 24px;
    }

    .logo svg {
        height: 60px;
    }

    .ifs-example,
    .ifs-approach,
    .ifs-practice {
        padding: 1.5rem;
    }

    .language-toggle {
        gap: 2px;
        padding: 3px;
    }

    .lang-btn {
        padding: 6px 12px;
        font-size: 0.8125rem;
    }
}

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

#ifs-uitleg,
#over-mij,
#pakketten {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

#ifs-uitleg {
    animation-delay: 0.1s;
}

#over-mij {
    animation-delay: 0.2s;
}

#pakketten {
    animation-delay: 0.3s;
}

.visible {
    opacity: 1;
    animation: fadeInUp 0.6s ease-out;
}