/* ============================================
   Business Booster - Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-primary: #0a1628;
    --color-secondary: #111d32;
    --color-accent: #3b82f6;
    --color-accent-hover: #2563eb;
    --color-accent-subtle: rgba(59, 130, 246, 0.1);
    --color-white: #ffffff;
    --color-light: #f8fafc;
    --color-light-alt: #f1f5f9;
    --color-gray: #94a3b8;
    --color-gray-dark: #64748b;
    --color-text-light: #cbd5e1;
    --color-text-dark: #1e293b;
    --color-border-light: #e2e8f0;
    --color-border-dark: rgba(255, 255, 255, 0.08);

    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

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

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

ul {
    list-style: none;
}

/* --- Container --- */
.container {
    max-width: 1200px;
    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, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

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

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

.section-dark {
    background: var(--color-primary);
    color: var(--color-text-light);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

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

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

.section-description {
    color: var(--color-gray-dark);
    font-size: 1.05rem;
}

.section-dark .section-description {
    color: var(--color-gray);
}

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo-icon {
    font-size: 1.5rem;
    margin-right: 2px;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
}

.nav-cta {
    margin-left: 12px;
    padding: 10px 24px;
    font-size: 0.85rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

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

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-primary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 120px 24px 80px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    color: var(--color-white);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    color: var(--color-gray);
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ============================================
   DIENSTEN
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-white);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 12px;
    color: var(--color-text-dark);
}

.service-card p {
    color: var(--color-gray-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   OVER ONS
   ============================================ */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.02rem;
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 28px;
}

.value {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-light);
    font-weight: 500;
    font-size: 0.92rem;
}

.value svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.team-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    transition: all var(--transition);
}

.team-card:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-4px);
}

.team-photo {
    margin-bottom: 16px;
}

.team-photo-placeholder {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.team-photo-join {
    background: rgba(59, 130, 246, 0.08);
    border: 2px dashed rgba(59, 130, 246, 0.3);
}

.team-card h4 {
    color: var(--color-white);
    margin-bottom: 4px;
}

.team-role {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ============================================
   PARTNERS
   ============================================ */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 700px;
    margin: 0 auto;
}

.partner-card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    text-align: center;
    transition: all var(--transition);
}

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

.partner-logo {
    margin-bottom: 16px;
}

.partner-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.partner-card p {
    color: var(--color-gray-dark);
    font-size: 0.92rem;
}

/* ============================================
   VACATURES
   ============================================ */
.vacatures-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.vacatures-info h3 {
    color: var(--color-white);
    margin-bottom: 24px;
}

.vacatures-list {
    margin-bottom: 28px;
}

.vacatures-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: var(--color-text-light);
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border-dark);
}

.vacatures-list li svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.vacatures-info p {
    color: var(--color-gray);
    line-height: 1.7;
}

.vacatures-form {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.vacatures-form h3 {
    color: var(--color-white);
    margin-bottom: 24px;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: inherit;
}

input[type="text"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
    background: var(--color-white);
    color: var(--color-text-dark);
    transition: all var(--transition);
    outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

textarea {
    resize: vertical;
}

/* Dark section form styles */
.section-dark input[type="text"],
.section-dark input[type="email"],
.section-dark textarea,
.section-dark select {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--color-border-dark);
    color: var(--color-white);
}

.section-dark input[type="text"]::placeholder,
.section-dark input[type="email"]::placeholder,
.section-dark textarea::placeholder {
    color: var(--color-gray);
}

.section-dark input[type="text"]:focus,
.section-dark input[type="email"]:focus,
.section-dark textarea:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.08);
}

input[type="file"] {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: inherit;
}

.section-dark input[type="file"] {
    color: var(--color-gray);
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ef4444;
}

.form-group .error-text {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 4px;
}

.form-message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ============================================
   CONTACT
   ============================================ */
.contact-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.contact-form {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-card {
    background: var(--color-white);
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.contact-info-card h3 {
    margin-bottom: 16px;
    color: var(--color-text-dark);
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--color-gray-dark);
}

.contact-detail svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--color-light);
    color: var(--color-gray-dark);
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-primary);
    color: var(--color-text-light);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border-dark);
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-col p {
    color: var(--color-gray);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a,
.footer-col ul li {
    color: var(--color-gray);
    font-size: 0.88rem;
    transition: color var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.footer-social a {
    color: var(--color-gray);
    transition: color var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.footer-bottom p {
    color: var(--color-gray);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--color-gray);
    font-size: 0.85rem;
}

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

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .vacatures-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    /* Mobile Navigation */
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--color-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 40px;
        gap: 0;
        transition: right var(--transition);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
    }

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

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-link {
        padding: 14px 8px;
        font-size: 1rem;
        width: 100%;
        border-bottom: 1px solid var(--color-border-dark);
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 24px;
        width: 100%;
        text-align: center;
    }

    /* Mobile overrides */
    .services-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }

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

    .about-values {
        grid-template-columns: 1fr;
    }

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

    .hero-stats {
        gap: 24px;
    }

    .hero-content {
        padding: 100px 16px 60px;
    }

    .contact-form {
        padding: 24px;
    }

    .vacatures-form {
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
}

/* Mobile menu overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.nav-overlay.active {
    display: block;
}