/*
  MKBChat - Paars & Teal
  Modern, fris: diep paars + teal accenten
*/

:root {
  --color-bg: #f9f6ff;
  --color-surface: #e5daf4;
  --color-surface-2: #d6c8ee;
  --color-text: #1e1a2e;
  --color-text-soft: #5b5278;
  --color-heading: #15112a;
  --color-border: #cfc4e8;

  --color-primary: #1a8a7a;
  --color-primary-hover: #14706a;
  --color-primary-soft: #c8ece6;

  --color-accent: #6b3a94;
  --color-accent-hover: #522b72;

  --color-dark: #1e1430;
  --color-dark-2: #2b1e42;
  --color-white: #ffffff;

  --shadow-sm: 0 6px 18px rgba(123, 79, 191, 0.08);
  --shadow-md: 0 14px 35px rgba(123, 79, 191, 0.12);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --container: 1180px;
  --header-height: 82px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 88px 0; }
.section--soft { background: var(--color-surface); }
.section--dark { background: var(--color-dark); color: var(--color-white); }

.eyebrow {
  display: inline-block; margin-bottom: 14px; padding: 8px 14px;
  border-radius: 999px; background: var(--color-primary-soft);
  color: #147068; font-size: 13px; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
}

h1, h2, h3, h4 { margin: 0 0 16px; line-height: 1.15; color: var(--color-heading); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: var(--color-white); }

h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3vw, 3rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 18px; color: var(--color-text-soft); }
.section--dark p { color: rgba(255, 255, 255, 0.82); }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 22px; border-radius: 999px;
  border: 1px solid transparent; font-weight: 700; transition: 0.2s ease; cursor: pointer;
}
.btxxxn--primary { background: var(--color-primary); color: var(--color-white); }
.btxxxn--primary:hover { background: var(--color-primary-hover); color: var(--color-white); }
.btn--primary { background: #2ec4a0; color: var(--color-white); }
.btn--primary:hover { background: #26a88a; }               
.btn--secondary { border-color: var(--color-accent); background: var(--color-white); color: var(--color-accent); }
.btn--secondary:hover { background: var(--color-accent); color: var(--color-white); }

.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-height);
  display: flex; align-items: center;
  background: rgba(255, 255, 255, 0.94); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(123, 79, 191, 0.10);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { font-size: 1.25rem; font-weight: 800; color: var(--color-accent); }
.logo span { color: var(--color-primary); }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { font-size: 0.98rem; color: var(--color-heading); }
.nav a:hover, .nav a.is-active { color: var(--color-accent); }
.nav .btn--primary { color: #ffffff; }
.nav .btn--primary:hover { color: #ffffff; }
.nav a.btn--primary { color: #fff; }

.hero { padding: 96px 0 72px; }
.hero__grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 44px; align-items: center; }
.hero__text p { max-width: 640px; font-size: 1.08rem; }
.hero__card {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-md);
}

.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.metric { padding: 18px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-white); }
.metric strong { display: block; margin-bottom: 8px; font-size: 1.2rem; color: var(--color-accent); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { height: 100%; padding: 28px; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.card--soft { background: var(--color-surface); }
.card__icon { width: 52px; height: 52px; margin-bottom: 18px; border-radius: 14px; background: var(--color-primary-soft); }

.check-list { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 24px; color: var(--color-text-soft); }
.check-list li::before { content: ""; position: absolute; left: 0; top: 10px; width: 10px; height: 10px; border-radius: 50%; background: var(--color-accent); }

.platform-strip, .logo-strip { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.pill { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--color-border); border-radius: 999px; background: var(--color-white); font-weight: 600; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.case-box, .cta-box { padding: 34px; border-radius: var(--radius-lg); background: var(--color-dark); color: var(--color-white); box-shadow: var(--shadow-md); }
.case-box h2, .case-box h3, .cta-box h2, .cta-box h3 { color: var(--color-white); }
.case-box p, .cta-box p { color: rgba(255, 255, 255, 0.82); }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card { overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-white); box-shadow: var(--shadow-sm); }
.blog-card__body { padding: 22px; }
.blog-card__meta { margin-bottom: 12px; font-size: 13px; color: var(--color-text-soft); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field--full { grid-column: 1 / -1; }
label { font-weight: 700; color: var(--color-heading); }
input, select, textarea { width: 100%; min-height: 52px; padding: 14px 16px; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-white); color: var(--color-text); font: inherit; }
textarea { min-height: 160px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 4px rgba(123, 79, 191, 0.16); }

.site-footer { padding: 48px 0; background: #0f5f54; color: rgba(255, 255, 255, 0.82); }
.site-footer p { color: rgba(255, 255, 255, 0.82); }
.site-footer a { color: rgba(255, 255, 255, 0.92); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr; gap: 28px; }
.footer-title { margin-bottom: 14px; color: #ffffff; font-size: 1rem; font-weight: 700; }
.small { font-size: 0.94rem; }

.page-header { padding: 52px 0 36px; background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.page-header .eyebrow { margin-bottom: 10px; }
.page-header p { max-width: 680px; }

.breadcrumbs { display: flex; gap: 8px; margin-bottom: 18px; font-size: 0.88rem; color: var(--color-text-soft); }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs span { color: var(--color-text-soft); }

.filter-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter-btn { padding: 8px 18px; border: 1px solid var(--color-border); border-radius: 999px; background: var(--color-white); font-size: 0.92rem; font-weight: 600; cursor: pointer; transition: 0.2s ease; }
.filter-btn:hover, .filter-btn.is-active { background: var(--color-primary-soft); border-color: var(--color-primary); color: #147068; }

.platform-card { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; padding: 36px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-white); box-shadow: var(--shadow-sm); }
.platform-card + .platform-card { margin-top: 24px; }

.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--color-heading); margin: 5px 0; transition: 0.2s; }

@media (max-width: 1024px) {
  .hero__grid, .split, .grid-3, .blog-grid, .footer-grid, .platform-card, .platform-detail__grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .section { padding: 68px 0; }
  .hero { padding: 72px 0 52px; }
  .site-header { height: auto; padding: 16px 0; }
  .site-header__inner { flex-wrap: wrap; }
  .hamburger { display: block; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; gap: 14px; padding-top: 14px; }
  .nav.is-open { display: flex; }
  .form-grid { grid-template-columns: 1fr; }
}