/* Professor Paiko — Nav + Hero — mobile-first */

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  z-index: 50;
  transition: background 300ms ease, box-shadow 300ms ease;
}
.nav.scrolled {
  background: rgba(246,243,238,.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--color-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--color-accent); }
.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color 200ms;
}
.nav-links a:hover { color: var(--color-primary); }
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.nav-login {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: 9999px;
  transition: color 200ms;
  display: none;
}
.nav-login:hover { color: var(--color-primary); }
.lang-selector { position: relative; }
.lang-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: 4px 11px 4px 8px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  transition: border-color 200ms, color 200ms;
}
.lang-pill:hover { border-color: var(--color-primary); color: var(--color-primary); }
.lang-chevron { font-size: 8px; opacity: .6; }
.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  min-width: 108px;
  z-index: 200;
  display: none;
}
.lang-dropdown.open { display: block; }
.lang-dropdown button {
  display: block;
  width: 100%;
  padding: 8px 14px;
  text-align: left;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background 150ms;
}
.lang-dropdown button:hover { background: var(--color-bg-warm); }
.lang-dropdown button.active { color: var(--color-primary); font-weight: 600; }

/* ── NAV: CTA + hamburger (mobile-first) ── */
.nav-cta { display: none; }
.nav-burger {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
}
.nav-burger span {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 200ms ease, opacity 200ms ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 49;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 0.5rem 1.25rem 1.5rem;
  display: none;
}
.mobile-menu.open { display: block; }
.mobile-menu > a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu > a:hover { color: var(--color-primary); }
.mobile-menu > a.mobile-menu-cta {
  border-bottom: none;
  margin-top: 1rem;
  width: 100%;
  color: #fff;
  justify-content: center;
}

@media (min-width: 768px) {
  .nav-login { display: block; }
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-burger { display: none; }
  .mobile-menu { display: none !important; }
}

/* ── HERO ── */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: 64px;
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

/* Large decorative "P" — creative logo element */
.hero-pmark {
  position: absolute;
  top: -0.08em;
  right: -0.04em;
  font-family: var(--font-display);
  font-size: clamp(200px, 50vw, 580px);
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.035;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
  z-index: 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-top: 2.5rem;
  padding-bottom: 3.5rem;
  position: relative;
  z-index: 1;
}
@media (min-width: 1024px) {
  .hero { min-height: 100svh; }
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding-top: 5rem;
    padding-bottom: 6rem;
  }
}

.hero-badge { margin-bottom: 1.5rem; }
.hero-title {
  font-size: clamp(1.9rem, 5.5vw, 3.6rem);
  margin-bottom: 1.25rem;
  color: var(--color-text);
}
.hero-title em {
  font-style: italic;
  color: var(--color-primary);
  font-weight: 400;
}
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 2.25rem;
}
.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
@media (min-width: 480px) {
  .hero-ctas { flex-direction: row; flex-wrap: wrap; }
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}
.hero-trust-item {
  font-size: 0.78rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.hero-trust-item::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.8rem;
}

/* Hero chat visual — mobile-first: compact en gecentreerd, desktop naast de tekst */
.hero-visual {
  display: flex;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
}
@media (min-width: 1024px) {
  .hero-visual { display: block; }
}
.chat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 360px;
}
@media (min-width: 1024px) {
  .chat-card { padding: 1.5rem; max-width: 400px; }
}
.chat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1rem;
}
.chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  flex-shrink: 0;
}
.chat-avatar.user {
  background: var(--color-bg-warm);
  color: var(--color-primary);
  font-size: 0.7rem;
  font-family: var(--font-body);
}
.chat-name { font-size: 0.875rem; font-weight: 600; }
.chat-sub  { font-size: 0.72rem; color: var(--color-text-light); }
.chat-msgs { display: flex; flex-direction: column; gap: 0.875rem; }
.chat-msg  { display: flex; align-items: flex-start; gap: 0.625rem; }
.chat-msg.user { flex-direction: row-reverse; }
.chat-bubble {
  background: var(--color-bg-warm);
  border-radius: 14px 14px 14px 4px;
  padding: 0.625rem 0.875rem;
  font-size: 0.825rem;
  line-height: 1.5;
  max-width: 260px;
  color: var(--color-text);
}
.chat-msg.user .chat-bubble {
  background: var(--color-primary);
  color: white;
  border-radius: 14px 14px 4px 14px;
}
.chat-input-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.chat-input {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  font-size: 0.78rem;
  color: var(--color-text-light);
  outline: none;
}
.chat-send {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.chat-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.875rem;
}
.chat-foot-badge {
  font-size: 0.68rem;
  color: var(--color-text-light);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: 2px 9px;
}