/* ============================================
   CVL Solutions - Modern Website
   Kleurenpalet: #FFFFFF, #1F1F1F, #4743C5, #001D4B, #EDEDED
   Fonts: Cinzel (logo) + Sora (headings) + Poppins (body)
   ============================================ */

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

:root {
    --white: #FFFFFF;
    --black: #1F1F1F;
    --accent: #4743C5;
    --accent-hover: #3532a8;
    --navy: #001D4B;
    --gray-light: #EDEDED;
    --gray-mid: #B0B0B0;
    --gray-dark: #3D3D3D;
    --font-logo: 'Cinzel', serif;
    --font-heading: 'Sora', sans-serif;
    --font-body: 'Poppins', sans-serif;
    --max-width: 1200px;
    --transition: 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    color: var(--black);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }

.text-accent { color: var(--accent); }
.text-navy { color: var(--navy); }
.text-gray { color: var(--gray-dark); }

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title {
    margin-bottom: 20px;
}

.section-subtitle {
    color: var(--gray-dark);
    font-size: 1.1rem;
    max-width: 640px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(71, 67, 197, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--black);
    border-color: var(--black);
}

.btn-outline:hover {
    background: var(--black);
    color: var(--white);
    transform: translateY(-2px);
}

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

.btn-white:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    transform: translateY(-2px);
}

/* --- Header / Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.header.scrolled {
    border-bottom-color: var(--gray-light);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-family: var(--font-logo);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: 1px;
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-dark);
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

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

.nav-cta {
    margin-left: 8px;
    padding: 10px 24px !important;
    font-size: 0.9rem !important;
    color: var(--white) !important;
}

.nav-cta::after {
    display: none !important;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--black);
    transition: all var(--transition);
}

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 24px;
    border-bottom: 1px solid var(--gray-light);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.mobile-menu.open { display: block; }

.mobile-menu a {
    display: block;
    padding: 12px 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-dark);
    border-bottom: 1px solid var(--gray-light);
}

.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--accent); }

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--navy) 0%, #0a1628 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(71, 67, 197, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(71, 67, 197, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 24px;
    font-size: clamp(2.5rem, 5vw, 3.8rem);
}

.hero h1 .highlight {
    color: var(--accent);
    display: inline;
}

.hero p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    margin-bottom: 36px;
    max-width: 560px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-badges {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-badge {
    text-align: center;
}

.hero-badge .number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
}

.hero-badge .label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Sections --- */
.section {
    padding: 100px 0;
}

.section-gray {
    background: var(--gray-light);
}

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

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* --- Partners / Logos Bar --- */
.partners {
    padding: 48px 0;
    background: var(--gray-light);
    border-bottom: 1px solid #e0e0e0;
}

.partners-label {
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-mid);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 32px;
}

.partners-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 64px;
    flex-wrap: wrap;
}

.partner-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-mid);
    opacity: 0.5;
    transition: opacity var(--transition);
}

.partner-logo:hover {
    opacity: 1;
}

/* --- Services Grid --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 32px;
    border: 1px solid var(--gray-light);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    border-color: transparent;
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(71, 67, 197, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-dark);
    font-size: 0.95rem;
}

.service-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent);
}

.service-card .card-link:hover {
    gap: 10px;
}

/* --- Stats Section --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item {
    padding: 32px 16px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}

.section-dark .stat-number {
    color: var(--white);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-dark .stat-label {
    color: var(--gray-mid);
}

/* --- Process / Steps --- */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    counter-reset: step;
}

.process-step {
    position: relative;
    padding-left: 0;
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.process-step h4 {
    margin-bottom: 8px;
}

.process-step p {
    color: var(--gray-dark);
    font-size: 0.9rem;
}

/* --- USP Section --- */
.usp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.usp-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 24px;
    border-radius: 12px;
    transition: background var(--transition);
}

.usp-item:hover {
    background: var(--gray-light);
}

.usp-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: rgba(71, 67, 197, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.1rem;
}

.usp-item h4 {
    margin-bottom: 4px;
}

.usp-item p {
    color: var(--gray-dark);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* --- FAQ Accordion --- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-light);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    color: var(--black);
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--accent);
}

.faq-toggle {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gray-light);
    font-size: 1.2rem;
    transition: all var(--transition);
}

.faq-item.active .faq-toggle {
    background: var(--accent);
    color: var(--white);
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 24px;
}

.faq-answer p {
    color: var(--gray-dark);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--accent) 0%, var(--navy) 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.cta-section h2 {
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info h3 {
    margin-bottom: 24px;
}

.contact-detail {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.contact-detail-icon {
    width: 44px;
    height: 44px;
    background: rgba(71, 67, 197, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.contact-detail h4 {
    margin-bottom: 2px;
}

.contact-detail p {
    color: var(--gray-dark);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.contact-form {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--gray-light);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--black);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(71, 67, 197, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* --- Footer --- */
.footer {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
}

.footer h4 {
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links a {
    display: block;
    padding: 6px 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    margin-left: 24px;
}

.footer-legal a:hover {
    color: var(--white);
}

/* --- Page Header (inner pages) --- */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--navy) 0%, #0a1628 100%);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(71, 67, 197, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.page-header p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    max-width: 600px;
    position: relative;
    z-index: 2;
}

/* --- Scroll Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Staggered children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.5s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* --- Two Column Layout --- */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.two-col-text h2 {
    margin-bottom: 16px;
}

.two-col-text p {
    color: var(--gray-dark);
}

.two-col-image {
    border-radius: 16px;
    overflow: hidden;
    background: var(--gray-light);
    aspect-ratio: 4/3;
}

.two-col-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Image Gallery Grid --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
}

.gallery-grid img:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* --- Hero with background image --- */
.page-header-img {
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.page-header-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,29,75,0.92) 0%, rgba(10,22,40,0.88) 100%);
    z-index: 1;
}

.page-header-img .container {
    position: relative;
    z-index: 2;
}

.page-header-img h1 {
    color: var(--white);
    margin-bottom: 16px;
}

.page-header-img p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    max-width: 600px;
}

/* Text panel overlay for page headers with images */
.header-text-panel {
    background: rgba(0, 29, 75, 0.75);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    padding: 48px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.header-text-panel h1 {
    color: var(--white);
    margin-bottom: 16px;
}

.header-text-panel p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.15rem;
    margin-bottom: 0;
}

.header-text-panel .section-label {
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 640px) {
    .header-text-panel {
        padding: 28px;
    }
}

/* --- Partner logo images --- */
.partner-logo img {
    height: 48px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: all var(--transition);
}

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

/* --- Responsive --- */
@media (max-width: 968px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }

    .hero { min-height: auto; padding: 140px 0 80px; }
    .hero-badges { gap: 24px; flex-wrap: wrap; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .section { padding: 64px 0; }
    .hero-buttons { flex-direction: column; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .services-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; gap: 32px; }
    .usp-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .page-header { padding: 120px 0 60px; }
}