:root {
    /* Hoofdkleuren */
    --primary-color-purple: #a855f7;
    --primary-color-black: #000;
    --primary-color-white: #fff;
    --primary-color-red: #dc2626;

    /* Secundaire / accent kleuren */
    --secondary-color-purple: #c386ff;
    --secondary-color-white: #f3f3f3;
    --secondary-color-red: #b42318;

    /* Tinten van paars */
    --light-color-purple: #e9d5ff;
    --dark-color-purple: #9333ea;
    --purple-main: #a855f7;
    --purple-dark: #9333ea;
    --purple-darker: #7e22ce;
    --purple-light: #c084fc;
    --purple-pale: #d1b5ff;
    --purple-main-glow: #a855f7;

    /* Achtergronden & overlays */
    --bg-body: #0f0f17;
    --bg-grey: rgba(255, 255, 255, 0.08);
    --bg-card: rgba(30, 25, 45, 0.55);
    --background-gradient-purple: linear-gradient(135deg, #791d95, #b13aed);

    /* Glow / schaduw */
    --glow: rgba(168, 85, 247, 0.45);
    --box-shadow-purple: rgba(147, 51, 234, 0.4);
    --box-shadow-black: rgba(0, 0, 0, 0.4);

    /* Borders */
    --border-grey: rgba(255, 255, 255, 0.12);
    --border: rgba(168, 85, 247, 0.18);

    /* Tekstkleuren */
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg-body);
    color: var(--white);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
}

.hero {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    min-height: 70vh;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    flex-wrap: wrap;
    gap: 1.2rem;
}

.logo {
    font-size: clamp(1.8rem, 5vw, 2.4rem);
    font-weight: bold;
}

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

.nav-buttons {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.btn {
    padding: clamp(0.65rem, 2vw, 0.85rem) clamp(1.1rem, 3vw, 1.6rem);
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    border: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn-register {
    background: var(--purple-main);
    color: var(--white);
}

.btn-register:hover {
    background: var(--purple-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--glow);
}

.btn-login {
    background: var(--bg-grey);
    color: var(--white);
    border: 1px solid var(--border-grey);
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 1.5rem 1rem;
}

.title-underline {
    position: relative;
    margin-bottom: 1.2rem;
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
}

.title-underline::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--purple-main);
    border-radius: 4px;
    box-shadow: 0 0 30px var(--glow);
}

.manage-btn {
    margin-top: 2rem;
    padding: clamp(0.9rem, 2.5vw, 1.2rem) clamp(1.8rem, 5vw, 3rem);
    font-size: clamp(1rem, 3vw, 1.25rem);
    background: linear-gradient(45deg, var(--purple-darker), var(--purple-light));
    color: var(--white);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 10px 30px var(--glow);
    font-weight: 600;
    transition: all 0.4s ease;
    text-decoration: none;
}

.manage-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 20px 50px var(--glow);
    background: linear-gradient(45deg, var(--purple-dark), var(--purple-main));
}

.highlights {
    margin: clamp(2.5rem, 6vw, 4rem) auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: clamp(1.5rem, 4vw, 2.5rem);
    max-width: 1200px;
    width: 100%;
    padding: 0 1rem;
}

.highlight-item {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: clamp(1.6rem, 4vw, 2.5rem) 1.5rem;
    text-align: center;
    transition: all 0.35s ease;
}

.highlight-item:hover {
    transform: translateY(-10px);
    border-color: var(--purple-main);
    box-shadow: 0 20px 40px rgba(91, 33, 182, 0.35);
}

.highlight-icon {
    font-size: clamp(2.8rem, 8vw, 3.8rem);
    margin-bottom: 1.2rem;
    color: var(--purple-light);
    transition: all 0.35s ease;
}

.highlight-item:hover .highlight-icon {
    transform: scale(1.15) rotate(6deg);
    color: var(--purple-main);
}

.highlight-item h4 {
    font-size: clamp(1.2rem, 3.5vw, 1.4rem);
    margin: 0.8rem 0 1rem;
    color: var(--purple-light);
}

.highlight-item p {
    font-size: clamp(0.95rem, 2.8vw, 1.05rem);
    opacity: 0.9;
    line-height: 1.5;
}

.filler-section {
    margin: clamp(3rem, 8vw, 5rem) auto;
    max-width: 1100px;
    width: 100%;
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    text-align: center;
}

.filler-text h3 {
    font-size: clamp(1.8rem, 5vw, 2.4rem);
    color: var(--purple-main);
    margin-bottom: 1rem;
    font-weight: 700;
}

.filler-text p {
    font-size: clamp(1.05rem, 3vw, 1.2rem);
    max-width: 700px;
    opacity: 0.9;
    line-height: 1.7;
}

.filler-image img {
    width: 100%;
    max-width: 900px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
}

/* STATISTIEKEN SECTIE */
.stats {
  margin: clamp(3rem, 8vw, 6rem) auto;
  max-width: 1200px;
  width: 100%;
  padding: 0 1rem;
  text-align: center;
}

.stats h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--purple-main);
  margin-bottom: 3rem;
  font-weight: 800;
  position: relative;
}

.stats h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 5px;
  background: var(--purple-main);
  border-radius: 4px;
  box-shadow: 0 0 25px var(--glow);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.stat-item {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(2rem, 4vw, 3rem) 1.5rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.stat-item:hover {
  transform: translateY(-12px);
  border-color: var(--purple-main);
  box-shadow: 0 25px 50px rgba(168, 85, 247, 0.3);
}

.stat-number {
  font-size: clamp(3.5rem, 10vw, 5.5rem);
  font-weight: 900;
  color: var(--purple-main);
  line-height: 1;
  margin-bottom: 0.8rem;
  text-shadow: 0 0 30px var(--glow);
}

.stat-icon {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  color: var(--purple-light);
  margin-bottom: 1rem;
  opacity: 0.9;
}

.stat-item p {
  font-size: clamp(1rem, 3vw, 1.15rem);
  opacity: 0.9;
  margin-top: 0.5rem;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, var(--glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.stat-item:hover::before {
  opacity: 0.4;
}

/* FOOTER */
footer {
    margin-top: auto;
    padding: 4rem 1.5rem 2.5rem;
    background: rgba(15, 15, 23, 0.7);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.socials h3, .about h3, .contact h3 {
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
    color: var(--purple-pale);
}

.social-icons {
    display: flex;
    gap: 1.25rem;
}

.social-link img {
    width: 48px;
    height: 48px;
    transition: transform 0.25s ease;
}

.social-link:hover img {
    transform: scale(1.15);
}

.about p {
    font-size: 1.05rem;
    color: rgba(196, 181, 253, 0.95);
    line-height: 1.7;
}

.contact a {
    color: var(--purple-pale);
    text-decoration: none;
    transition: color 0.2s ease;
    display: block;
    margin-bottom: 0.6rem;
}

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

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero, .main-content { padding: 1.2rem 0.8rem; }
}

@media (max-width: 768px) {
    .title-underline { margin-bottom: 1rem; }
    .manage-btn { margin-top: 1.8rem; }
    .highlights { grid-template-columns: 1fr; gap: 2rem; padding: 0 0.8rem; }
}

@media (max-width: 480px) {
    .header { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
    .nav-buttons { width: 100%; justify-content: center; }
    .btn { flex: 1; justify-content: center; }
    /* .highlights { grid-template-columns: 1fr; gap: 2rem; } */
}

@media (min-width: 768px) {
    .filler-section {
        flex-direction: row;
        text-align: left;
        gap: 4rem;
    }
    .filler-text { flex: 1; max-width: 45%; }
    .filler-image { flex: 1; max-width: 55%; }
}

@media (max-width: 900px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    .social-icons, .about-header, .contact-item { justify-content: center; }
}