/* =========================================================
   OSG — Optimalisatie, Structuur & Groei
   Design system
   ========================================================= */

:root {
  /* Kleuren */
  --osg-navy: #0f1e2e;
  --osg-navy-800: #14293c;
  --osg-navy-700: #1c3549;
  --osg-anthracite: #23303b;
  --osg-teal: #2f7d76;
  --osg-teal-light: #4fa39a;
  --osg-teal-50: #eaf4f2;
  --osg-white: #ffffff;
  --osg-grey-50: #f6f8f9;
  --osg-grey-100: #eef1f3;
  --osg-grey-200: #e1e6e9;
  --osg-grey-400: #9aa7b0;
  --osg-grey-600: #5b6b74;
  --osg-grey-800: #2b3640;
  --osg-warm: #d97a3f;
  --osg-warm-dark: #c2652b;

  --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 10px rgba(15, 30, 46, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 30, 46, 0.10);
  --shadow-lg: 0 20px 60px rgba(15, 30, 46, 0.14);

  --transition: 0.25s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--osg-grey-800);
  background: var(--osg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

.section-pad { padding: 96px 0; }

@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--osg-teal);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--osg-teal);
  display: inline-block;
}

h1, h2, h3, h4 {
  font-family: var(--font-main);
  font-weight: 700;
  color: var(--osg-navy);
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 16px; color: var(--osg-grey-600); }

.lede {
  font-size: 1.15rem;
  color: var(--osg-grey-600);
  max-width: 640px;
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--osg-warm);
  color: #fff;
  box-shadow: 0 10px 24px rgba(217, 122, 63, 0.30);
}
.btn-primary:hover { background: var(--osg-warm-dark); }

.btn-secondary {
  background: transparent;
  color: var(--osg-navy);
  border-color: var(--osg-grey-200);
}
.btn-secondary:hover { border-color: var(--osg-teal); color: var(--osg-teal); }

.btn-ghost-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn-ghost-light:hover { border-color: #fff; }

.btn-block { width: 100%; }
.btn-sm { padding: 10px 20px; font-size: 0.88rem; }

/* ============ Header / Nav ============ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 30, 46, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  flex-direction: column;
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.logo span {
  font-weight: 500;
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  color: var(--osg-teal-light);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a:not(.btn) {
  color: rgba(255,255,255,0.82);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}
.main-nav a:not(.btn):hover { color: #fff; }
.main-nav a.active { color: #fff; }
.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--osg-teal-light);
}

.nav-cta { display: flex; align-items: center; }

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

@media (max-width: 940px) {
  .main-nav { position: fixed; top: 66px; left: 0; right: 0; bottom: 0; background: var(--osg-navy); flex-direction: column; align-items: stretch; padding: 24px; gap: 24px; transform: translateX(100%); transition: transform 0.3s ease; overflow-y: auto; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 18px; }
  .nav-toggle { display: block; }
  .nav-cta.desktop-only { display: none; }
}
@media (min-width: 941px) {
  .nav-cta.mobile-only { display: none; }
}

/* ============ Hero ============ */
.hero {
  background: linear-gradient(135deg, var(--osg-navy) 0%, var(--osg-navy-800) 60%, var(--osg-navy-700) 100%);
  color: #fff;
  padding: 110px 0 90px;
  overflow: hidden;
  position: relative;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
}

.hero h1 { color: #fff; margin-bottom: 20px; }
.hero .lede { color: rgba(255,255,255,0.78); font-size: 1.15rem; max-width: 560px; }

.hero-cta-row { display: flex; gap: 16px; flex-wrap: wrap; margin: 32px 0 18px; }

.trust-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.65);
  font-size: 0.92rem;
  font-weight: 500;
}
.trust-line i { color: var(--osg-teal-light); }

.hero-visual { position: relative; }

.page-hero {
  background: linear-gradient(135deg, var(--osg-navy) 0%, var(--osg-navy-800) 100%);
  color: #fff;
  padding: 130px 0 70px;
}
.page-hero h1 { color: #fff; }
.page-hero .lede { color: rgba(255,255,255,0.78); }
.page-hero .eyebrow { color: var(--osg-teal-light); }

.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.breadcrumb a:hover { color: #fff; }

/* ============ Process Visual (SVG based) ============ */
.flow-visual {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.flow-visual svg { width: 100%; height: auto; display: block; }

/* ============ Cards ============ */
.grid {
  display: grid;
  gap: 24px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 980px) {
  .grid-3, .grid-4, .grid-6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--osg-grey-200);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--osg-teal-light);
}

.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--osg-teal-50);
  color: var(--osg-teal);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.card p { margin-bottom: 0; font-size: 0.96rem; }

.card ul { margin: 12px 0 0; padding-left: 18px; color: var(--osg-grey-600); font-size: 0.93rem; }
.card ul li { margin-bottom: 6px; }

.section-bg-alt { background: var(--osg-grey-50); }
.section-bg-dark { background: var(--osg-navy); color: rgba(255,255,255,0.85); }
.section-bg-dark h2, .section-bg-dark h3 { color: #fff; }
.section-bg-dark p { color: rgba(255,255,255,0.7); }

.closing-note {
  margin-top: 40px;
  padding: 22px 28px;
  border-left: 3px solid var(--osg-teal);
  background: var(--osg-teal-50);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--osg-navy);
}

/* ============ Value prop steps ============ */
.step-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}
@media (max-width: 800px) { .step-trio { grid-template-columns: 1fr; } }

.step-trio .step {
  position: relative;
  padding: 32px 26px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--osg-grey-200);
}
.step-trio .step .num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--osg-teal-50);
  -webkit-text-stroke: 1.5px var(--osg-teal);
  color: transparent;
  line-height: 1;
  margin-bottom: 12px;
  display: block;
}

/* ============ Services ============ */
.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.service-card .service-cta {
  margin-top: auto;
  padding-top: 18px;
  font-weight: 700;
  color: var(--osg-teal);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-card .service-cta i { transition: transform var(--transition); }
.service-card:hover .service-cta i { transform: translateX(4px); }

/* ============ Applications grid ============ */
.app-card h3 { display: flex; align-items: center; gap: 10px; }
.app-card h3 i { color: var(--osg-teal); font-size: 1.05em; }

/* ============ Werkwijze / Timeline ============ */
.timeline {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
  margin-top: 50px;
}
@media (max-width: 1100px) { .timeline { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 700px) { .timeline { grid-template-columns: 1fr; } }

.timeline-step {
  background: #fff;
  border: 1px solid var(--osg-grey-200);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  position: relative;
}
.timeline-step .step-index {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--osg-navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 14px;
}
.timeline-step h3 { font-size: 1rem; margin-bottom: 8px; }
.timeline-step p { font-size: 0.88rem; margin-bottom: 0; }

.quote-block {
  margin: 56px auto 0;
  max-width: 760px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--osg-navy);
  line-height: 1.4;
  position: relative;
  padding: 0 20px;
}
.quote-block::before {
  content: "";
  display: block;
  width: 44px; height: 3px;
  background: var(--osg-teal);
  margin: 0 auto 22px;
}

/* ============ Featured offer ============ */
.featured-offer {
  background: linear-gradient(135deg, var(--osg-navy) 0%, var(--osg-teal) 130%);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 60px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
}
@media (max-width: 900px) { .featured-offer { grid-template-columns: 1fr; padding: 40px 26px; } }
.featured-offer h2 { color: #fff; }
.featured-offer p { color: rgba(255,255,255,0.85); }
.featured-offer .result-box {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin: 20px 0;
  font-weight: 600;
}
.featured-offer .included-list {
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 30px;
}
.included-list ul { list-style: none; margin: 0; padding: 0; }
.included-list li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 0.95rem; color: rgba(255,255,255,0.9); }
.included-list li i { color: var(--osg-teal-light); margin-top: 3px; }
.price-note { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-top: 18px; }

/* ============ Why OSG ============ */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 980px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .why-grid { grid-template-columns: 1fr; } }

/* ============ About / founder ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }

.founder-card {
  background: #fff;
  border: 1px solid var(--osg-grey-200);
  border-radius: var(--radius-lg);
  padding: 34px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.founder-photo {
  width: 140px; height: 140px;
  border-radius: 50%;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--osg-navy), var(--osg-teal));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 2.6rem;
  overflow: hidden;
}
.founder-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  border-radius: 50%;
}
.founder-card h3 { margin-bottom: 4px; }
.founder-role { color: var(--osg-teal); font-weight: 600; font-size: 0.92rem; margin-bottom: 14px; }

/* ============ Trust / responsible ============ */
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
@media (max-width: 900px) { .trust-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .trust-grid { grid-template-columns: 1fr; } }
.trust-item { display: flex; gap: 12px; align-items: flex-start; padding: 16px; background: #fff; border-radius: var(--radius-sm); border: 1px solid var(--osg-grey-200); }
.trust-item i { color: var(--osg-teal); margin-top: 3px; }
.trust-item span { font-weight: 600; color: var(--osg-navy); font-size: 0.94rem; }

.callout-message {
  background: var(--osg-navy);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 26px 30px;
  font-weight: 700;
  margin-top: 30px;
  text-align: center;
}

/* ============ Final CTA ============ */
.final-cta {
  background: linear-gradient(135deg, var(--osg-teal) 0%, var(--osg-navy) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 70px 50px;
  text-align: center;
  margin: 0 24px;
  max-width: calc(var(--max-width) - 48px);
  margin-left: auto; margin-right: auto;
}
.final-cta h2 { color: #fff; }
.final-cta p { color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto 30px; }
.final-cta .hero-cta-row { justify-content: center; }

/* ============ Insights (cases/artikelen) ============ */
.insight-card {
  background: #fff;
  border: 1px solid var(--osg-grey-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.insight-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.insight-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--osg-teal);
  background: var(--osg-teal-50);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  width: fit-content;
}
.insight-card .body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.insight-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.insight-card .cat { font-size: 0.82rem; color: var(--osg-grey-400); margin-top: auto; padding-top: 14px; }

/* ============ Forms ============ */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.88rem; font-weight: 600; color: var(--osg-navy); }
.form-field input, .form-field select, .form-field textarea {
  padding: 13px 16px;
  border: 1.5px solid var(--osg-grey-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.95rem;
  background: #fff;
  color: var(--osg-grey-800);
  transition: border-color var(--transition);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--osg-teal);
}
.form-field textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: 0.82rem; color: var(--osg-grey-400); margin-top: 4px; }

.contact-panel {
  background: var(--osg-navy);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-panel h3 { color: #fff; font-size: 1.15rem; }
.contact-info-item { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item i { color: var(--osg-teal-light); margin-top: 3px; width: 18px; }
.contact-info-item .label { font-size: 0.78rem; color: rgba(255,255,255,0.55); text-transform: uppercase; letter-spacing: 0.04em; }
.contact-info-item .value { font-weight: 600; }

.form-success {
  display: none;
  background: var(--osg-teal-50);
  border: 1.5px solid var(--osg-teal);
  color: var(--osg-navy);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-top: 20px;
}

/* ============ Footer ============ */
footer {
  background: var(--osg-navy);
  color: rgba(255,255,255,0.7);
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-grid h4 { color: #fff; font-size: 0.95rem; margin-bottom: 18px; }
.footer-brand { font-weight: 800; color: #fff; font-size: 1.2rem; margin-bottom: 10px; }
.footer-tagline { font-size: 0.92rem; color: rgba(255,255,255,0.55); max-width: 280px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid a { font-size: 0.92rem; color: rgba(255,255,255,0.68); transition: color var(--transition); }
.footer-grid a:hover { color: #fff; }
.footer-grid address { font-style: normal; font-size: 0.92rem; line-height: 1.8; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-socials { display: flex; gap: 14px; }
.footer-socials a { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; }
.footer-socials a:hover { background: var(--osg-teal); }

/* ============ Cookie banner ============ */
#cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 560px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 24px 26px;
  z-index: 2000;
  border: 1px solid var(--osg-grey-200);
  display: none;
}
#cookie-banner.show { display: block; animation: slideUp 0.4s ease; }
@keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
#cookie-banner p { font-size: 0.9rem; margin-bottom: 16px; }
#cookie-banner .cookie-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ============ Scroll animations ============ */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

/* ============ Utility ============ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.tag-pill {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--osg-teal-50);
  color: var(--osg-teal);
  font-size: 0.82rem;
  font-weight: 700;
  margin: 4px 6px 4px 0;
}
.skip-link {
  position: absolute; left: -9999px; top: auto;
  background: var(--osg-navy); color: #fff; padding: 10px 16px; border-radius: 6px; z-index: 3000;
}
.skip-link:focus { left: 10px; top: 10px; }

/* Category filter pills */
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-pill {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1.5px solid var(--osg-grey-200);
  background: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--osg-grey-600);
  transition: var(--transition);
}
.filter-pill.active, .filter-pill:hover { border-color: var(--osg-teal); color: var(--osg-teal); background: var(--osg-teal-50); }