/* =========================================
   AI DOEL — Design System
   ========================================= */

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

:root {
  --bg:        #0a0a0a;
  --bg-card:   #141414;
  --bg-card2:  #1a1a1a;
  --accent:    #c4f82a;
  --accent-dim:#8fb81d;
  --white:     #ffffff;
  --muted:     #a1a1aa;
  --border:    rgba(255,255,255,0.08);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-w:     1200px;
  --nav-h:     72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* =========================================
   UTILITIES
   ========================================= */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 60px);
}

/* =========================================
   BUTTONS
   ========================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  padding: 12px 24px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), opacity var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
  border-radius: inherit;
}

.btn:hover::after {
  background: rgba(255,255,255,0.08);
}

.btn--accent {
  background: var(--accent);
  color: #000;
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(196, 248, 42, 0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--border);
}

.btn--ghost:hover {
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 15px 32px;
  font-size: 17px;
}

.btn--xl {
  padding: 20px 52px;
  font-size: 19px;
  border-radius: 14px;
}

/* =========================================
   NAVBAR
   ========================================= */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 32px;
}

/* LOGO */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo__badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: #000;
  border-radius: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.5px;
}

.logo__text {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
}

/* NAV LINKS */
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

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

/* =========================================
   HERO SECTION
   ========================================= */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.hero__glow--left {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, transparent 70%);
  top: 10%;
  left: -10%;
  animation: glowPulse 6s ease-in-out infinite;
}

.hero__glow--right {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
  top: 20%;
  right: -10%;
  animation: glowPulse 8s ease-in-out infinite 2s;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  max-width: 900px;
  padding-block: 80px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.hero__dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: dotBlink 2s ease-in-out infinite;
}

@keyframes dotBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__headline {
  font-family: var(--font-head);
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
}

.hero__sub {
  color: var(--muted);
  font-size: clamp(16px, 2vw, 19px);
  max-width: 680px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll-indicator span {
  display: block;
  width: 1.5px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--muted));
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* =========================================
   SECTIONS (shared)
   ========================================= */

.section {
  position: relative;
  padding-block: clamp(80px, 10vw, 130px);
  overflow: hidden;
}

.section--alt {
  background: rgba(255,255,255,0.015);
}

.section__glow {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
}

.section__glow--blue {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
  top: -200px;
  right: -200px;
}

.section__glow--purple {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
  bottom: -200px;
  left: -200px;
}

.section .container {
  position: relative;
  z-index: 1;
}

.section__label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
  text-align: center;
}

.section__title {
  font-family: var(--font-head);
  font-size: clamp(30px, 4.5vw, 52px);
  font-weight: 800;
  line-height: 1.13;
  letter-spacing: -0.02em;
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 20px;
}

.section__sub {
  text-align: center;
  color: var(--muted);
  font-size: clamp(15px, 2vw, 18px);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 56px;
}

/* =========================================
   CARDS
   ========================================= */

.cards {
  display: grid;
  gap: 20px;
}

.cards--2 { grid-template-columns: repeat(2, 1fr); }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(196, 248, 42, 0.2);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

/* Icon cards (wat we doen) */
.card__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(196, 248, 42, 0.1);
  border-radius: 14px;
  margin-bottom: 24px;
}

.card__icon {
  width: 26px;
  height: 26px;
  color: var(--accent);
}

/* Step cards (werkwijze) */
.card--step {
  background: var(--bg-card2);
  border-color: rgba(255,255,255,0.06);
}

.card__number {
  font-family: var(--font-head);
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 20px;
}

/* Stat cards (resultaat) */
.card--stat {
  background: var(--bg-card);
}

.card__stat {
  font-family: var(--font-head);
  font-size: clamp(44px, 5vw, 56px);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}

/* Person cards (over ons) */
.card--person {
  padding: 40px;
}

.card__person-name {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  margin-top: 24px;
  margin-bottom: 8px;
}

.card__role {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

/* Shared card text */
.card__title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.3;
}

.card__text {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

/* =========================================
   AVATAR
   ========================================= */

.avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(196, 248, 42, 0.25);
}

.avatar--initials {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1c2a0a 0%, #2a3d10 100%);
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}

/* =========================================
   CTA SECTION
   ========================================= */

.cta-section {
  text-align: center;
}

.cta-section__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.cta-section__title {
  font-family: var(--font-head);
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  max-width: 700px;
}

.cta-section__sub {
  color: var(--muted);
  font-size: clamp(15px, 2vw, 18px);
  max-width: 560px;
}

.cta-section__meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* =========================================
   FOOTER
   ========================================= */

.footer {
  border-top: 1px solid var(--border);
  padding-block: 52px 32px;
}

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

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

.footer__tagline {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.footer__link {
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--transition);
}

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

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}

.footer__bottom-sub {
  font-family: var(--font-mono);
  font-size: 12px;
}

/* =========================================
   ANIMATIONS — Scroll reveal
   ========================================= */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* =========================================
   RESPONSIVE
   ========================================= */

@media (max-width: 1024px) {
  .cards--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(10,10,10,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 14px;
    font-size: 16px;
  }

  .hamburger {
    display: flex;
  }

  .navbar__inner > .btn {
    display: none;
  }

  .cards--2,
  .cards--3,
  .cards--4 {
    grid-template-columns: 1fr;
  }

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

  .footer__brand {
    grid-column: 1 / -1;
  }

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

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .btn--lg {
    width: 100%;
  }

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