/* =========================================================
   KASCO — Design tokens
   Thema: kascommissie / ledger-receipt esthetiek, licht palet
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* kleuren */
  --bg: #F6F8F1;
  --bg-alt: #EFF4E9;
  --surface: #FFFFFF;
  --ink: #1F3A32;
  --ink-soft: #4C6259;
  --primary: #3E7C63;
  --primary-dark: #2A5A46;
  --accent: #E3A857;
  --accent-dark: #C98A34;
  --accent-soft: #F4D9A0;
  --mint-soft: #DCEBDD;
  --line: #D8E3D3;
  --danger: #C6604F;
  --danger-soft: #F3D9D2;

  /* type */
  --font-display: 'Fraunces', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 10px rgba(31, 58, 50, 0.06);
  --shadow-md: 0 10px 30px rgba(31, 58, 50, 0.10);
  --shadow-lg: 0 20px 60px rgba(31, 58, 50, 0.14);

  --ease-out: cubic-bezier(.16,.84,.44,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0 0 0.4em;
  line-height: 1.1;
  font-weight: 600;
}

p{ margin: 0 0 1em; color: var(--ink-soft); }

a{ color: inherit; text-decoration: none; }

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

.sr-only{
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

::selection{ background: var(--accent-soft); color: var(--ink); }

:focus-visible{
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
  border-radius: 4px;
}

.container{
  width: min(1140px, 92%);
  margin: 0 auto;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}
.eyebrow::before{
  content: '';
  width: 18px;
  height: 1px;
  background: var(--accent-dark);
  display: inline-block;
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 1.6em;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .35s var(--ease-spring), box-shadow .35s var(--ease-out), background .3s, color .3s, border-color .3s;
  position: relative;
}
.btn-primary{
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  background: var(--primary-dark);
}
.btn-ghost{
  background: transparent;
  color: var(--primary);
  border-color: var(--line);
}
.btn-ghost:hover{
  border-color: var(--primary);
  transform: translateY(-3px);
}

/* =========================================================
   Perforated / receipt visual language
   ========================================================= */
.receipt-edge{
  position: relative;
}
.receipt-edge::after{
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 10px;
  background-image: radial-gradient(circle at 10px 0, transparent 6px, var(--bg) 6.5px);
  background-size: 20px 10px;
  background-repeat: repeat-x;
}

.stamp{
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-dark);
  border: 1.5px dashed var(--primary);
  border-radius: 999px;
  padding: 0.45em 0.9em;
  transform: rotate(-4deg);
  background: rgba(255,255,255,0.5);
}

/* =========================================================
   Header / Navigatie
   ========================================================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 248, 241, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(-16px);
  animation: header-drop .7s var(--ease-out) forwards;
  animation-delay: .05s;
}
@keyframes header-drop{
  to{ opacity: 1; transform: translateY(0); }
}

.header-inner{
  width: min(1140px, 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo{
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.logo-text{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--ink);
}
.logo-text.small{ font-size: 1.15rem; }
.logo-dot{ color: var(--accent-dark); }

.main-nav{
  display: flex;
  gap: 2rem;
}
.nav-link{
  position: relative;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.3em 0;
  color: var(--ink-soft);
  transition: color .25s;
}
.nav-link::after{
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent-dark);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease-out);
}
.nav-link:hover{ color: var(--ink); }
.nav-link:hover::after{ transform: scaleX(1); transform-origin: left; }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span{
  width: 24px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s var(--ease-out), opacity .3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-nav{
  display: none;
  flex-direction: column;
  padding: 0 1rem 1rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease-out);
}
.mobile-nav.open{ max-height: 300px; }
.mobile-nav .nav-link{ padding: 0.7em 0; border-bottom: 1px solid var(--line); }

@media (max-width: 780px){
  .main-nav{ display: none; }
  .nav-toggle{ display: flex; }
  .mobile-nav{ display: flex; }
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  margin-top: 6rem;
  background: var(--primary-dark);
  color: #EAF3EC;
  padding-top: 3rem;
}
.footer-inner{
  width: min(1140px, 92%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 2rem;
}
.footer-brand p{ color: #BFD8CB; margin: 0.3em 0 0; }
.footer-brand .logo-text{ color: #fff; }
.footer-stamp .stamp{
  border-color: var(--accent-soft);
  color: var(--accent-soft);
  background: transparent;
}
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 1.2rem 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #9FC3AC;
}

/* =========================================================
   Reveal-on-scroll utility
   ========================================================= */
[data-reveal]{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
[data-reveal].is-visible{
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="scale"]{ transform: translateY(0) scale(0.92); }
[data-reveal="scale"].is-visible{ transform: scale(1); }

/* stagger children */
[data-reveal-group] > *{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
[data-reveal-group].is-visible > *{ opacity: 1; transform: translateY(0); }
[data-reveal-group].is-visible > *:nth-child(1){ transition-delay: .05s; }
[data-reveal-group].is-visible > *:nth-child(2){ transition-delay: .15s; }
[data-reveal-group].is-visible > *:nth-child(3){ transition-delay: .25s; }
[data-reveal-group].is-visible > *:nth-child(4){ transition-delay: .35s; }
[data-reveal-group].is-visible > *:nth-child(5){ transition-delay: .45s; }
[data-reveal-group].is-visible > *:nth-child(6){ transition-delay: .55s; }

/* =========================================================
   Page hero shared
   ========================================================= */
.page-hero{
  padding: 4rem 0 3rem;
  text-align: center;
}
.page-hero h1{
  font-size: clamp(2.2rem, 5vw, 3.2rem);
}
.page-hero p{
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.1rem;
}