/* ============================================
   Verkooyen.org — Premium Sales Website
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    /* Brand */
    --brand: #502379;
    --brand-light: #7B4CA8;
    --brand-dark: #3A1A5C;
    --brand-gradient: linear-gradient(135deg, #502379 0%, #7B4CA8 100%);

    /* Neutral */
    --ink: #0F0A1A;
    --ink-soft: #2D2438;
    --gray-900: #1A1525;
    --gray-700: #4A3D5C;
    --gray-500: #7A6B8A;
    --gray-300: #C5BCD0;
    --gray-200: #E5E0EC;
    --gray-100: #F5F2F8;
    --gray-50: #FAF8FC;
    --white: #FFFFFF;

    /* Semantic */
    --accent: #E94560;
    --accent-soft: #FF6B7A;
    --success: #10B981;
    --gold: #F59E0B;

    /* Effects */
    --shadow-xs: 0 1px 2px rgba(15,10,26,0.05);
    --shadow-sm: 0 2px 8px rgba(15,10,26,0.06);
    --shadow-md: 0 8px 24px rgba(15,10,26,0.08);
    --shadow-lg: 0 16px 48px rgba(15,10,26,0.10);
    --shadow-xl: 0 24px 64px rgba(15,10,26,0.14);
    --shadow-brand: 0 8px 32px rgba(80,35,121,0.25);

    /* Layout */
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --max-width: 1280px;
    --container: 1140px;

    /* Type */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* == Reset == */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font);
    color: var(--ink);
    line-height: 1.65;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
a { color: var(--brand); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--brand-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1, h2, h3, h4 { font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; color: var(--ink); }

/* == Container == */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* == Header == */
.site-header {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition);
}
.site-header.scrolled {
    box-shadow: var(--shadow-sm);
}
.header-inner {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 72px;
}
.site-logo {
    height: 40px;
    width: auto;
}
.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-text {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--ink);
    letter-spacing: -0.02em;
}
.logo-text span {
    color: var(--brand);
}
.site-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.site-nav a {
    color: var(--gray-700);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-fast);
}
.site-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
    transition: width var(--transition);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after,
.site-nav a.active::after { width: 100%; }

.nav-cta {
    background: var(--brand-gradient);
    color: var(--white) !important;
    padding: 0.6rem 1.4rem !important;
    border-radius: var(--radius-sm);
    font-weight: 700 !important;
    box-shadow: var(--shadow-brand);
    transition: all var(--transition);
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(80,35,121,0.35);
}
.nav-cta::after { display: none; }

/* == Mobile Nav == */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}
.nav-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--ink);
    border-radius: 3px;
    transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* == Hero == */
.hero {
    position: relative;
    background: var(--gray-50);
    overflow: hidden;
    padding: 80px 0 100px;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(80,35,121,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(233,69,96,0.04) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 100px;
    padding: 6px 16px 6px 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-xs);
}
.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(16,185,129,0.2);
}
.hero h1 {
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 900;
    color: var(--ink);
    margin-bottom: 1.25rem;
    letter-spacing: -0.03em;
}
.hero h1 .gradient-text {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--gray-700);
    max-width: 560px;
    margin-bottom: 2rem;
}
.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}
.hero-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}
.hero-stat {
    display: flex;
    flex-direction: column;
}
.hero-stat-num {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -0.02em;
}
.hero-stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* Hero Siegel Card */
.hero-siegel-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
    position: relative;
    transition: all var(--transition);
}
.hero-siegel-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}
.hero-siegel-card::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px;
    height: 4px;
    background: var(--brand-gradient);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.siegel-img {
    width: 100%;
    max-width: 280px;
    border-radius: var(--radius);
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-md);
}
.siegel-caption {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 100px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand);
}
.siegel-caption svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}
.siegel-subtitle {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 0.5rem;
}

/* == Buttons == */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}
.btn-primary {
    background: var(--brand-gradient);
    color: var(--white);
    box-shadow: var(--shadow-brand);
}
.btn-primary:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(80,35,121,0.35);
}
.btn-secondary {
    background: var(--white);
    color: var(--ink);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
    color: var(--brand);
    border-color: var(--brand);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.btn-ghost {
    color: var(--gray-700);
    background: transparent;
}
.btn-ghost:hover {
    color: var(--brand);
    background: var(--gray-50);
}

/* == Trust Bar == */
.trust-bar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 0;
}
.trust-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
}
.trust-item svg {
    width: 20px;
    height: 20px;
    color: var(--brand);
    flex-shrink: 0;
}

/* == Sections == */
.section {
    padding: 100px 0;
    position: relative;
}
.section-alt {
    background: var(--gray-50);
}
.section-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}
.section-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand);
    margin-bottom: 0.75rem;
}
.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 0.75rem;
}
.section-sub {
    color: var(--gray-500);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* == Card Grid == */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--brand-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.card:hover::before { transform: scaleX(1); }
.card-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    transition: all var(--transition);
}
.card:hover .card-icon-wrap {
    background: var(--brand-gradient);
}
.card-icon-wrap svg {
    width: 28px;
    height: 28px;
    color: var(--brand);
    transition: color var(--transition);
}
.card:hover .card-icon-wrap svg {
    color: var(--white);
}
.card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--ink);
}
.card p {
    color: var(--gray-500);
    line-height: 1.65;
    font-size: 0.95rem;
}
.card-tag {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--brand);
    background: rgba(80,35,121,0.08);
    padding: 4px 12px;
    border-radius: 100px;
}

/* == Forschung == */
.forschung-layout {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 4rem;
    align-items: center;
}
.forschung-text p {
    margin-bottom: 1.25rem;
    line-height: 1.75;
    color: var(--gray-700);
    font-size: 1.05rem;
}
.forschung-text strong {
    color: var(--ink);
    font-weight: 700;
}
.forschung-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}
.forschung-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--gray-700);
}
.forschung-feature svg {
    width: 22px;
    height: 22px;
    color: var(--success);
    flex-shrink: 0;
    margin-top: 1px;
}
.forschung-link {
    margin-top: 1rem;
}
.forschung-siegel-wrap {
    text-align: center;
}
.siegel-img-lg {
    width: 100%;
    max-width: 340px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    margin: 0 auto 1.25rem;
    transition: transform var(--transition);
}
.forschung-siegel-wrap a:hover .siegel-img-lg {
    transform: scale(1.03);
}
.siegel-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 100px;
    padding: 10px 20px;
    box-shadow: var(--shadow-sm);
}
.bsfz-logo {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}
.siegel-badge-text {
    text-align: left;
}
.siegel-badge-text strong {
    display: block;
    color: var(--ink);
    font-size: 0.9rem;
    font-weight: 700;
}
.siegel-badge-text small {
    color: var(--gray-500);
    font-size: 0.78rem;
}

/* == About == */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.about-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all var(--transition);
}
.about-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.about-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--ink);
}
.about-card .about-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand);
    margin-bottom: 0.75rem;
    display: block;
}
.about-card p {
    color: var(--gray-500);
    line-height: 1.65;
    font-size: 0.95rem;
}

/* == Contact == */
.contact-wrap {
    max-width: 800px;
    margin: 0 auto;
}
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.contact-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 1.75rem 1.5rem;
    text-align: center;
    transition: all var(--transition);
}
.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-light);
}
.contact-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: all var(--transition);
}
.contact-card:hover .contact-icon-wrap {
    background: var(--brand-gradient);
}
.contact-icon-wrap svg {
    width: 24px;
    height: 24px;
    color: var(--brand);
    transition: color var(--transition);
}
.contact-card:hover .contact-icon-wrap svg {
    color: var(--white);
}
.contact-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
    color: var(--ink);
}
.contact-card a, .contact-card span {
    color: var(--gray-500);
    font-size: 0.9rem;
    word-break: break-word;
}
.contact-card a:hover {
    color: var(--brand);
}
.contact-cta {
    text-align: center;
    margin-top: 1rem;
}

/* == Footer == */
.site-footer {
    background: var(--ink);
    color: rgba(255,255,255,0.6);
    padding: 4rem 0 1.5rem;
}
.footer-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .footer-logo {
    height: 36px;
    filter: brightness(2);
    margin-bottom: 0.75rem;
}
.footer-tagline {
    color: rgba(255,255,255,0.4);
    font-size: 0.9rem;
    max-width: 250px;
    line-height: 1.6;
}
.footer-col h4 {
    color: var(--white);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
}
.footer-col ul li {
    margin-bottom: 0.6rem;
}
.footer-col a {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}
.footer-col a:hover {
    color: var(--white);
}
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.3);
}

/* == Legal Pages == */
.legal-section {
    padding: 4rem 0;
    min-height: 60vh;
    background: var(--gray-50);
}
.legal-inner {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 24px;
}
.legal-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 3rem;
    box-shadow: var(--shadow-sm);
}
.legal-card h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--ink);
}
.legal-card h2 {
    font-size: 1.15rem;
    margin: 2rem 0 0.75rem;
    color: var(--ink);
}
.legal-card p {
    margin-bottom: 0.75rem;
    line-height: 1.75;
    color: var(--gray-700);
}
.legal-card ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}
.legal-card ul li {
    margin-bottom: 0.25rem;
    color: var(--gray-700);
}
.legal-intro {
    color: var(--gray-500) !important;
    font-size: 0.9rem;
    margin-bottom: 1.5rem !important;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}
.legal-back {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
;
}

/* == Animations == */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s cubic-bezier(0.4,0,0.2,1) both; }
.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.2s; }
.fade-up-3 { animation-delay: 0.3s; }
.fade-up-4 { animation-delay: 0.4s; }

/* == Responsive == */
@media (max-width: 960px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }
    .hero-badge { margin-left: auto; margin-right: auto; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-siegel-card { max-width: 360px; margin: 0 auto; }
    .forschung-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .forschung-siegel-wrap { order: -1; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .site-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--gray-200);
        flex-direction: column;
        gap: 0;
        padding: 1rem 24px;
        transform: translateY(-150%);
        transition: transform var(--transition);
        box-shadow: var(--shadow-lg);
    }
    .site-nav.open { transform: translateY(0); }
    .site-nav a {
        padding: 0.85rem 0;
        border-bottom: 1px solid var(--gray-100);
        color: var(--gray-700);
    }
    .site-nav a:last-child { border-bottom: none; }
    .nav-cta { margin-top: 0.5rem; }
    .section { padding: 64px 0; }
    .card-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; text-align: center; }
    .footer-brand { display: flex; flex-direction: column; align-items: center; }
    .footer-col ul { display: inline-block; text-align: left; }
    .trust-inner { gap: 1.5rem; }
}

@media (max-width: 480px) {
    .hero { padding: 48px 0 64px; }
    .hero h1 { font-size: 1.85rem; }
    .hero-sub { font-size: 1.05rem; }
    .hero-stats { gap: 1.5rem; }
    .hero-stat-num { font-size: 1.4rem; }
    .legal-card { padding: 1.75rem; }
    .section-header { margin-bottom: 2.5rem; }
}